| File: | home/sharpd/frr3/pimd/pim_upstream.c |
| Warning: | line 912, column 4 Value stored to 'rpf_result' is never read |
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| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* |
| 3 | * PIM for Quagga |
| 4 | * Copyright (C) 2008 Everton da Silva Marques |
| 5 | */ |
| 6 | |
| 7 | #include <zebra.h> |
| 8 | |
| 9 | #include "log.h" |
| 10 | #include "zclient.h" |
| 11 | #include "memory.h" |
| 12 | #include "frrevent.h" |
| 13 | #include "linklist.h" |
| 14 | #include "vty.h" |
| 15 | #include "plist.h" |
| 16 | #include "hash.h" |
| 17 | #include "jhash.h" |
| 18 | #include "wheel.h" |
| 19 | #include "network.h" |
| 20 | #include "frrdistance.h" |
| 21 | |
| 22 | #include "pimd.h" |
| 23 | #include "pim_pim.h" |
| 24 | #include "pim_str.h" |
| 25 | #include "pim_time.h" |
| 26 | #include "pim_iface.h" |
| 27 | #include "pim_join.h" |
| 28 | #include "pim_zlookup.h" |
| 29 | #include "pim_upstream.h" |
| 30 | #include "pim_ifchannel.h" |
| 31 | #include "pim_neighbor.h" |
| 32 | #include "pim_rpf.h" |
| 33 | #include "pim_zebra.h" |
| 34 | #include "pim_oil.h" |
| 35 | #include "pim_macro.h" |
| 36 | #include "pim_rp.h" |
| 37 | #include "pim_register.h" |
| 38 | #include "pim_msdp.h" |
| 39 | #include "pim_jp_agg.h" |
| 40 | #include "pim_nht.h" |
| 41 | #include "pim_ssm.h" |
| 42 | #include "pim_vxlan.h" |
| 43 | #include "pim_mlag.h" |
| 44 | |
| 45 | static void join_timer_stop(struct pim_upstream *up); |
| 46 | static void |
| 47 | pim_upstream_update_assert_tracking_desired(struct pim_upstream *up); |
| 48 | static bool_Bool pim_upstream_sg_running_proc(struct pim_upstream *up); |
| 49 | |
| 50 | /* |
| 51 | * A (*,G) or a (*,*) is going away |
| 52 | * remove the parent pointer from |
| 53 | * those pointing at us |
| 54 | */ |
| 55 | static void pim_upstream_remove_children(struct pim_instance *pim, |
| 56 | struct pim_upstream *up) |
| 57 | { |
| 58 | struct pim_upstream *child; |
| 59 | |
| 60 | if (!up->sources) |
| 61 | return; |
| 62 | |
| 63 | while (!list_isempty(up->sources)((up->sources)->head == ((void*)0) && (up->sources )->tail == ((void*)0))) { |
| 64 | child = listnode_head(up->sources); |
| 65 | listnode_delete(up->sources, child); |
| 66 | if (PIM_UPSTREAM_FLAG_TEST_SRC_LHR(child->flags)((child->flags) & (1 << 8))) { |
| 67 | PIM_UPSTREAM_FLAG_UNSET_SRC_LHR(child->flags)((child->flags) &= ~(1 << 8)); |
| 68 | child = pim_upstream_del(pim, child, __func__); |
| 69 | } |
| 70 | if (child) { |
| 71 | child->parent = NULL((void*)0); |
| 72 | if (PIM_UPSTREAM_FLAG_TEST_USE_RPT(child->flags)((child->flags) & (1 << 20))) |
| 73 | pim_upstream_mroute_iif_update( |
| 74 | child->channel_oil, |
| 75 | __func__); |
| 76 | } |
| 77 | } |
| 78 | list_delete(&up->sources); |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | * A (*,G) or a (*,*) is being created |
| 83 | * Find the children that would point |
| 84 | * at us. |
| 85 | */ |
| 86 | static void pim_upstream_find_new_children(struct pim_instance *pim, |
| 87 | struct pim_upstream *up) |
| 88 | { |
| 89 | struct pim_upstream *child; |
| 90 | |
| 91 | if (!pim_addr_is_any(up->sg.src) && !pim_addr_is_any(up->sg.grp)) |
| 92 | return; |
| 93 | |
| 94 | if (pim_addr_is_any(up->sg.src) && pim_addr_is_any(up->sg.grp)) |
| 95 | return; |
| 96 | |
| 97 | frr_each (rb_pim_upstream, &pim->upstream_head, child)for (child = rb_pim_upstream_first(&pim->upstream_head ); child; child = rb_pim_upstream_next(&pim->upstream_head , child)) { |
| 98 | if (!pim_addr_is_any(up->sg.grp) && |
| 99 | !pim_addr_cmp(child->sg.grp, up->sg.grp) && (child != up)) { |
| 100 | child->parent = up; |
| 101 | listnode_add_sort(up->sources, child); |
| 102 | if (PIM_UPSTREAM_FLAG_TEST_USE_RPT(child->flags)((child->flags) & (1 << 20))) |
| 103 | pim_upstream_mroute_iif_update( |
| 104 | child->channel_oil, |
| 105 | __func__); |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | /* |
| 111 | * If we have a (*,*) || (S,*) there is no parent |
| 112 | * If we have a (S,G), find the (*,G) |
| 113 | * If we have a (*,G), find the (*,*) |
| 114 | */ |
| 115 | static struct pim_upstream *pim_upstream_find_parent(struct pim_instance *pim, |
| 116 | struct pim_upstream *child) |
| 117 | { |
| 118 | pim_sgaddr any = child->sg; |
| 119 | struct pim_upstream *up = NULL((void*)0); |
| 120 | |
| 121 | // (S,G) |
| 122 | if (!pim_addr_is_any(child->sg.src) && |
| 123 | !pim_addr_is_any(child->sg.grp)) { |
| 124 | any.src = PIMADDR_ANY(pim_addr){ }; |
| 125 | up = pim_upstream_find(pim, &any); |
| 126 | |
| 127 | if (up) |
| 128 | listnode_add(up->sources, child); |
| 129 | |
| 130 | /* |
| 131 | * In case parent is MLAG entry copy the data to child |
| 132 | */ |
| 133 | if (up && PIM_UPSTREAM_FLAG_TEST_MLAG_INTERFACE(up->flags)((up->flags)&(1 << 21))) { |
| 134 | PIM_UPSTREAM_FLAG_SET_MLAG_INTERFACE(child->flags)((child->flags) |= (1 << 21)); |
| 135 | if (PIM_UPSTREAM_FLAG_TEST_MLAG_NON_DF(up->flags)((up->flags) & (1 << 17))) |
| 136 | PIM_UPSTREAM_FLAG_SET_MLAG_NON_DF(child->flags)((child->flags) |= (1 << 17)); |
| 137 | else |
| 138 | PIM_UPSTREAM_FLAG_UNSET_MLAG_NON_DF(((child->flags) &= ~(1 << 17)) |
| 139 | child->flags)((child->flags) &= ~(1 << 17)); |
| 140 | } |
| 141 | |
| 142 | return up; |
| 143 | } |
| 144 | |
| 145 | return NULL((void*)0); |
| 146 | } |
| 147 | |
| 148 | static void upstream_channel_oil_detach(struct pim_upstream *up) |
| 149 | { |
| 150 | struct channel_oil *channel_oil = up->channel_oil; |
| 151 | |
| 152 | if (channel_oil) { |
| 153 | /* Detaching from channel_oil, channel_oil may exist post del, |
| 154 | but upstream would not keep reference of it |
| 155 | */ |
| 156 | channel_oil->up = NULL((void*)0); |
| 157 | up->channel_oil = NULL((void*)0); |
| 158 | |
| 159 | /* attempt to delete channel_oil; if channel_oil is being held |
| 160 | * because of other references cleanup info such as "Mute" |
| 161 | * inferred from the parent upstream |
| 162 | */ |
| 163 | pim_channel_oil_upstream_deref(channel_oil); |
| 164 | } |
| 165 | |
| 166 | } |
| 167 | |
| 168 | static void pim_upstream_timers_stop(struct pim_upstream *up) |
| 169 | { |
| 170 | EVENT_OFF(up->t_ka_timer)do { if ((up->t_ka_timer)) event_cancel(&(up->t_ka_timer )); } while (0); |
| 171 | EVENT_OFF(up->t_rs_timer)do { if ((up->t_rs_timer)) event_cancel(&(up->t_rs_timer )); } while (0); |
| 172 | EVENT_OFF(up->t_msdp_reg_timer)do { if ((up->t_msdp_reg_timer)) event_cancel(&(up-> t_msdp_reg_timer)); } while (0); |
| 173 | EVENT_OFF(up->t_join_timer)do { if ((up->t_join_timer)) event_cancel(&(up->t_join_timer )); } while (0); |
| 174 | } |
| 175 | |
| 176 | struct pim_upstream *pim_upstream_del(struct pim_instance *pim, |
| 177 | struct pim_upstream *up, const char *name) |
| 178 | { |
| 179 | struct listnode *node, *nnode; |
| 180 | struct pim_ifchannel *ch; |
| 181 | bool_Bool notify_msdp = false0; |
| 182 | |
| 183 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 184 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 188, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, pim->vrf->name, up->ref_count, up->flags, up->channel_oil->oil_ref_count" ), }; static const struct xref * const xref_p_84 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), __func__, name, up->sg_str, pim->vrf->name, up-> ref_count, up->flags, up->channel_oil->oil_ref_count ); } while (0) |
| 185 | "%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 188, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, pim->vrf->name, up->ref_count, up->flags, up->channel_oil->oil_ref_count" ), }; static const struct xref * const xref_p_84 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), __func__, name, up->sg_str, pim->vrf->name, up-> ref_count, up->flags, up->channel_oil->oil_ref_count ); } while (0) |
| 186 | __func__, name, up->sg_str, pim->vrf->name,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 188, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, pim->vrf->name, up->ref_count, up->flags, up->channel_oil->oil_ref_count" ), }; static const struct xref * const xref_p_84 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), __func__, name, up->sg_str, pim->vrf->name, up-> ref_count, up->flags, up->channel_oil->oil_ref_count ); } while (0) |
| 187 | up->ref_count, up->flags,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 188, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, pim->vrf->name, up->ref_count, up->flags, up->channel_oil->oil_ref_count" ), }; static const struct xref * const xref_p_84 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), __func__, name, up->sg_str, pim->vrf->name, up-> ref_count, up->flags, up->channel_oil->oil_ref_count ); } while (0) |
| 188 | up->channel_oil->oil_ref_count)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 188, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, pim->vrf->name, up->ref_count, up->flags, up->channel_oil->oil_ref_count" ), }; static const struct xref * const xref_p_84 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): Delete %s[%s] ref count: %d, flags: %d c_oil ref count %d (Pre decrement)" ), __func__, name, up->sg_str, pim->vrf->name, up-> ref_count, up->flags, up->channel_oil->oil_ref_count ); } while (0); |
| 189 | |
| 190 | assert(up->ref_count > 0)({ static const struct xref_assert _xref __attribute__( (used )) = { .xref = { (((void*)0)), (XREFT_ASSERT), 190, "pimd/pim_upstream.c" , __func__, }, .expr = "up->ref_count > 0", }; static const struct xref * const xref_p_85 __attribute__((used, section("xref_array" ))) = &(_xref.xref); if (__builtin_expect((up->ref_count > 0) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, (( void*)0)); } while (up->ref_count > 0); }); |
| 191 | |
| 192 | --up->ref_count; |
| 193 | |
| 194 | if (up->ref_count >= 1) |
| 195 | return up; |
| 196 | |
| 197 | if (PIM_DEBUG_TRACE(router->debugs & ((1 << 5) | (1 << 9)))) |
| 198 | zlog_debug("pim_upstream free vrf:%s %s flags 0x%x",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("pim_upstream free vrf:%s %s flags 0x%x" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 199, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("pim_upstream free vrf:%s %s flags 0x%x"), .priority = (7), .ec = (0), .args = ("pim->vrf->name, up->sg_str, up->flags" ), }; static const struct xref * const xref_p_86 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("pim_upstream free vrf:%s %s flags 0x%x"), pim-> vrf->name, up->sg_str, up->flags); } while (0) |
| 199 | pim->vrf->name, up->sg_str, up->flags)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("pim_upstream free vrf:%s %s flags 0x%x" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 199, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("pim_upstream free vrf:%s %s flags 0x%x"), .priority = (7), .ec = (0), .args = ("pim->vrf->name, up->sg_str, up->flags" ), }; static const struct xref * const xref_p_86 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("pim_upstream free vrf:%s %s flags 0x%x"), pim-> vrf->name, up->sg_str, up->flags); } while (0); |
| 200 | |
| 201 | if (pim_up_mlag_is_local(up)) |
| 202 | pim_mlag_up_local_del(pim, up); |
| 203 | |
| 204 | pim_upstream_timers_stop(up); |
| 205 | |
| 206 | if (up->join_state == PIM_UPSTREAM_JOINED) { |
| 207 | pim_jp_agg_single_upstream_send(&up->rpf, up, 0); |
| 208 | |
| 209 | if (pim_addr_is_any(up->sg.src)) { |
| 210 | /* if a (*, G) entry in the joined state is being |
| 211 | * deleted we |
| 212 | * need to notify MSDP */ |
| 213 | notify_msdp = true1; |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | join_timer_stop(up); |
| 218 | pim_jp_agg_upstream_verification(up, false0); |
| 219 | up->rpf.source_nexthop.interface = NULL((void*)0); |
| 220 | |
| 221 | if (!pim_addr_is_any(up->sg.src)) { |
| 222 | if (pim->upstream_sg_wheel) |
| 223 | wheel_remove_item(pim->upstream_sg_wheel, up); |
| 224 | notify_msdp = true1; |
| 225 | } |
| 226 | |
| 227 | pim_mroute_del(up->channel_oil, __func__); |
| 228 | upstream_channel_oil_detach(up); |
| 229 | |
| 230 | for (ALL_LIST_ELEMENTS(up->ifchannels, node, nnode, ch)(node) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (node) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 230, "pimd/pim_upstream.c" , __func__, }, .expr = "node", }; static const struct xref * const xref_p_87 __attribute__((used, section("xref_array"))) = & (_xref.xref); if (__builtin_expect((node) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while (node); }), ({ static const struct xref_assert _xref __attribute__( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 230, "pimd/pim_upstream.c", __func__ , }, .expr = "(node)->data != NULL", }; static const struct xref * const xref_p_88 __attribute__((used, section("xref_array" ))) = &(_xref.xref); if (__builtin_expect(((node)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref , ((void*)0)); } while ((node)->data != ((void*)0)); }), ( node)->data)), (nnode) = node->next, 1); (node) = (nnode ), ((ch) = ((void*)0))) |
| 231 | pim_ifchannel_delete(ch); |
| 232 | list_delete(&up->ifchannels); |
| 233 | |
| 234 | pim_upstream_remove_children(pim, up); |
| 235 | if (up->sources) |
| 236 | list_delete(&up->sources); |
| 237 | |
| 238 | if (up->parent && up->parent->sources) |
| 239 | listnode_delete(up->parent->sources, up); |
| 240 | up->parent = NULL((void*)0); |
| 241 | |
| 242 | rb_pim_upstream_del(&pim->upstream_head, up); |
| 243 | |
| 244 | if (notify_msdp) { |
| 245 | pim_msdp_up_del(pim, &up->sg); |
| 246 | } |
| 247 | |
| 248 | /* When RP gets deleted, pim_rp_del() deregister addr with Zebra NHT |
| 249 | * and assign up->upstream_addr as INADDR_ANY. |
| 250 | * So before de-registering the upstream address, check if is not equal |
| 251 | * to INADDR_ANY. This is done in order to avoid de-registering for |
| 252 | * 255.255.255.255 which is maintained for some reason.. |
| 253 | */ |
| 254 | if (!pim_addr_is_any(up->upstream_addr)) { |
| 255 | /* Deregister addr with Zebra NHT */ |
| 256 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 257 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 259, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->upstream_addr" ), }; static const struct xref * const xref_p_89 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), __func__, up->sg_str, &up->upstream_addr); } while (0) |
| 258 | "%s: Deregister upstream %s addr %pPA with Zebra NHT",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 259, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->upstream_addr" ), }; static const struct xref * const xref_p_89 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), __func__, up->sg_str, &up->upstream_addr); } while (0) |
| 259 | __func__, up->sg_str, &up->upstream_addr)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 259, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->upstream_addr" ), }; static const struct xref * const xref_p_89 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Deregister upstream %s addr %pPA with Zebra NHT" ), __func__, up->sg_str, &up->upstream_addr); } while (0); |
| 260 | pim_delete_tracked_nexthop(pim, up->upstream_addr, up, NULL((void*)0)); |
| 261 | } |
| 262 | |
| 263 | XFREE(MTYPE_PIM_UPSTREAM, up)do { qfree(MTYPE_PIM_UPSTREAM, up); up = ((void*)0); } while ( 0); |
| 264 | |
| 265 | return NULL((void*)0); |
| 266 | } |
| 267 | |
| 268 | void pim_upstream_send_join(struct pim_upstream *up) |
| 269 | { |
| 270 | if (!up->rpf.source_nexthop.interface) { |
| 271 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 272 | zlog_debug("%s: up %s RPF is not present", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 273, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_90 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0) |
| 273 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 273, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_90 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0); |
| 274 | return; |
| 275 | } |
| 276 | |
| 277 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 278 | zlog_debug("%s: RPF'%s=%pPA(%s) for Interface %s", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RPF'%s=%pPA(%s) for Interface %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 281, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RPF'%s=%pPA(%s) for Interface %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str(up->join_state), up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_91 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: RPF'%s=%pPA(%s) for Interface %s"), __func__ , up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str (up->join_state), up->rpf.source_nexthop.interface-> name); } while (0) |
| 279 | up->sg_str, &up->rpf.rpf_addr,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RPF'%s=%pPA(%s) for Interface %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 281, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RPF'%s=%pPA(%s) for Interface %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str(up->join_state), up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_91 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: RPF'%s=%pPA(%s) for Interface %s"), __func__ , up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str (up->join_state), up->rpf.source_nexthop.interface-> name); } while (0) |
| 280 | pim_upstream_state2str(up->join_state),do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RPF'%s=%pPA(%s) for Interface %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 281, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RPF'%s=%pPA(%s) for Interface %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str(up->join_state), up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_91 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: RPF'%s=%pPA(%s) for Interface %s"), __func__ , up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str (up->join_state), up->rpf.source_nexthop.interface-> name); } while (0) |
| 281 | up->rpf.source_nexthop.interface->name)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RPF'%s=%pPA(%s) for Interface %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 281, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RPF'%s=%pPA(%s) for Interface %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str(up->join_state), up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_91 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: RPF'%s=%pPA(%s) for Interface %s"), __func__ , up->sg_str, &up->rpf.rpf_addr, pim_upstream_state2str (up->join_state), up->rpf.source_nexthop.interface-> name); } while (0); |
| 282 | if (pim_rpf_addr_is_inaddr_any(&up->rpf)) { |
| 283 | zlog_debug("%s: can't send join upstream: RPF'%s=%pPA",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: can't send join upstream: RPF'%s=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 284, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: can't send join upstream: RPF'%s=%pPA"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->rpf.rpf_addr" ), }; static const struct xref * const xref_p_92 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: can't send join upstream: RPF'%s=%pPA"), __func__ , up->sg_str, &up->rpf.rpf_addr); } while (0) |
| 284 | __func__, up->sg_str, &up->rpf.rpf_addr)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: can't send join upstream: RPF'%s=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 284, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: can't send join upstream: RPF'%s=%pPA"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->rpf.rpf_addr" ), }; static const struct xref * const xref_p_92 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: can't send join upstream: RPF'%s=%pPA"), __func__ , up->sg_str, &up->rpf.rpf_addr); } while (0); |
| 285 | /* warning only */ |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | /* send Join(S,G) to the current upstream neighbor */ |
| 290 | pim_jp_agg_single_upstream_send(&up->rpf, up, 1 /* join */); |
| 291 | } |
| 292 | |
| 293 | static void on_join_timer(struct event *t) |
| 294 | { |
| 295 | struct pim_upstream *up; |
| 296 | |
| 297 | up = EVENT_ARG(t)((t)->arg); |
| 298 | |
| 299 | if (!up->rpf.source_nexthop.interface) { |
| 300 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 301 | zlog_debug("%s: up %s RPF is not present", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 302, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_93 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0) |
| 302 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 302, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_93 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0); |
| 303 | return; |
| 304 | } |
| 305 | |
| 306 | /* |
| 307 | * In the case of a HFR we will not ahve anyone to send this to. |
| 308 | */ |
| 309 | if (PIM_UPSTREAM_FLAG_TEST_FHR(up->flags)((up->flags) & (1 << 2))) |
| 310 | return; |
| 311 | |
| 312 | /* |
| 313 | * Don't send the join if the outgoing interface is a loopback |
| 314 | * But since this might change leave the join timer running |
| 315 | */ |
| 316 | if (up->rpf.source_nexthop |
| 317 | .interface && !if_is_loopback(up->rpf.source_nexthop.interface)) |
| 318 | pim_upstream_send_join(up); |
| 319 | |
| 320 | join_timer_start(up); |
| 321 | } |
| 322 | |
| 323 | static void join_timer_stop(struct pim_upstream *up) |
| 324 | { |
| 325 | struct pim_neighbor *nbr = NULL((void*)0); |
| 326 | |
| 327 | EVENT_OFF(up->t_join_timer)do { if ((up->t_join_timer)) event_cancel(&(up->t_join_timer )); } while (0); |
| 328 | |
| 329 | if (up->rpf.source_nexthop.interface) |
| 330 | nbr = pim_neighbor_find(up->rpf.source_nexthop.interface, |
| 331 | up->rpf.rpf_addr, true1); |
| 332 | |
| 333 | if (nbr) |
| 334 | pim_jp_agg_remove_group(nbr->upstream_jp_agg, up, nbr); |
| 335 | |
| 336 | pim_jp_agg_upstream_verification(up, false0); |
| 337 | } |
| 338 | |
| 339 | void join_timer_start(struct pim_upstream *up) |
| 340 | { |
| 341 | struct pim_neighbor *nbr = NULL((void*)0); |
| 342 | |
| 343 | if (up->rpf.source_nexthop.interface) { |
| 344 | nbr = pim_neighbor_find(up->rpf.source_nexthop.interface, |
| 345 | up->rpf.rpf_addr, true1); |
| 346 | |
| 347 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) { |
| 348 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: starting %d sec timer for upstream (S,G)=%s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 350, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: starting %d sec timer for upstream (S,G)=%s" ), .priority = (7), .ec = (0), .args = ("__func__, router->t_periodic, up->sg_str" ), }; static const struct xref * const xref_p_94 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: starting %d sec timer for upstream (S,G)=%s" ), __func__, router->t_periodic, up->sg_str); } while ( 0) |
| 349 | "%s: starting %d sec timer for upstream (S,G)=%s",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: starting %d sec timer for upstream (S,G)=%s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 350, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: starting %d sec timer for upstream (S,G)=%s" ), .priority = (7), .ec = (0), .args = ("__func__, router->t_periodic, up->sg_str" ), }; static const struct xref * const xref_p_94 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: starting %d sec timer for upstream (S,G)=%s" ), __func__, router->t_periodic, up->sg_str); } while ( 0) |
| 350 | __func__, router->t_periodic, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: starting %d sec timer for upstream (S,G)=%s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 350, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: starting %d sec timer for upstream (S,G)=%s" ), .priority = (7), .ec = (0), .args = ("__func__, router->t_periodic, up->sg_str" ), }; static const struct xref * const xref_p_94 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: starting %d sec timer for upstream (S,G)=%s" ), __func__, router->t_periodic, up->sg_str); } while ( 0); |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | if (nbr) |
| 355 | pim_jp_agg_add_group(nbr->upstream_jp_agg, up, 1, nbr); |
| 356 | else { |
| 357 | EVENT_OFF(up->t_join_timer)do { if ((up->t_join_timer)) event_cancel(&(up->t_join_timer )); } while (0); |
| 358 | event_add_timer(router->master, on_join_timer, up,({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 359, "pimd/pim_upstream.c" , __func__, }, .funcname = "on_join_timer", .dest = "&up->t_join_timer" , .event_type = EVENT_TIMER, }; static const struct xref * const xref_p_95 __attribute__((used, section("xref_array"))) = & (_xref.xref); _event_add_timer(&_xref, router->master, on_join_timer, up, router->t_periodic, &up->t_join_timer ); }) |
| 359 | router->t_periodic, &up->t_join_timer)({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 359, "pimd/pim_upstream.c" , __func__, }, .funcname = "on_join_timer", .dest = "&up->t_join_timer" , .event_type = EVENT_TIMER, }; static const struct xref * const xref_p_95 __attribute__((used, section("xref_array"))) = & (_xref.xref); _event_add_timer(&_xref, router->master, on_join_timer, up, router->t_periodic, &up->t_join_timer ); }); |
| 360 | } |
| 361 | pim_jp_agg_upstream_verification(up, true1); |
| 362 | } |
| 363 | |
| 364 | /* |
| 365 | * This is only called when we are switching the upstream |
| 366 | * J/P from one neighbor to another |
| 367 | * |
| 368 | * As such we need to remove from the old list and |
| 369 | * add to the new list. |
| 370 | */ |
| 371 | void pim_upstream_join_timer_restart(struct pim_upstream *up, |
| 372 | struct pim_rpf *old) |
| 373 | { |
| 374 | // EVENT_OFF(up->t_join_timer); |
| 375 | join_timer_start(up); |
| 376 | } |
| 377 | |
| 378 | static void pim_upstream_join_timer_restart_msec(struct pim_upstream *up, |
| 379 | int interval_msec) |
| 380 | { |
| 381 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) { |
| 382 | zlog_debug("%s: restarting %d msec timer for upstream (S,G)=%s",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: restarting %d msec timer for upstream (S,G)=%s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 383, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: restarting %d msec timer for upstream (S,G)=%s" ), .priority = (7), .ec = (0), .args = ("__func__, interval_msec, up->sg_str" ), }; static const struct xref * const xref_p_96 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: restarting %d msec timer for upstream (S,G)=%s" ), __func__, interval_msec, up->sg_str); } while (0) |
| 383 | __func__, interval_msec, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: restarting %d msec timer for upstream (S,G)=%s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 383, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: restarting %d msec timer for upstream (S,G)=%s" ), .priority = (7), .ec = (0), .args = ("__func__, interval_msec, up->sg_str" ), }; static const struct xref * const xref_p_96 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: restarting %d msec timer for upstream (S,G)=%s" ), __func__, interval_msec, up->sg_str); } while (0); |
| 384 | } |
| 385 | |
| 386 | EVENT_OFF(up->t_join_timer)do { if ((up->t_join_timer)) event_cancel(&(up->t_join_timer )); } while (0); |
| 387 | event_add_timer_msec(router->master, on_join_timer, up, interval_msec,({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 388, "pimd/pim_upstream.c" , __func__, }, .funcname = "on_join_timer", .dest = "&up->t_join_timer" , .event_type = EVENT_TIMER, }; static const struct xref * const xref_p_97 __attribute__((used, section("xref_array"))) = & (_xref.xref); _event_add_timer_msec(&_xref, router->master , on_join_timer, up, interval_msec, &up->t_join_timer) ; }) |
| 388 | &up->t_join_timer)({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 388, "pimd/pim_upstream.c" , __func__, }, .funcname = "on_join_timer", .dest = "&up->t_join_timer" , .event_type = EVENT_TIMER, }; static const struct xref * const xref_p_97 __attribute__((used, section("xref_array"))) = & (_xref.xref); _event_add_timer_msec(&_xref, router->master , on_join_timer, up, interval_msec, &up->t_join_timer) ; }); |
| 389 | } |
| 390 | |
| 391 | void pim_update_suppress_timers(uint32_t suppress_time) |
| 392 | { |
| 393 | struct pim_instance *pim; |
| 394 | struct vrf *vrf; |
| 395 | unsigned int old_rp_ka_time; |
| 396 | |
| 397 | /* stash the old one so we know which values were manually configured */ |
| 398 | old_rp_ka_time = (3 * router->register_suppress_time |
| 399 | + router->register_probe_time); |
| 400 | router->register_suppress_time = suppress_time; |
| 401 | |
| 402 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name)for ((vrf) = vrf_name_head_RB_MIN((&vrfs_by_name)); (vrf) != ((void*)0); (vrf) = vrf_name_head_RB_NEXT((vrf))) { |
| 403 | pim = vrf->info; |
| 404 | if (!pim) |
| 405 | continue; |
| 406 | |
| 407 | /* Only adjust if not manually configured */ |
| 408 | if (pim->rp_keep_alive_time == old_rp_ka_time) |
| 409 | pim->rp_keep_alive_time = PIM_RP_KEEPALIVE_PERIOD(3 * router->register_suppress_time + router->register_probe_time ); |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | void pim_upstream_join_suppress(struct pim_upstream *up, pim_addr rpf, |
| 414 | int holdtime) |
| 415 | { |
| 416 | long t_joinsuppress_msec; |
| 417 | long join_timer_remain_msec = 0; |
| 418 | struct pim_neighbor *nbr = NULL((void*)0); |
| 419 | |
| 420 | if (!up->rpf.source_nexthop.interface) { |
| 421 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 422 | zlog_debug("%s: up %s RPF is not present", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 423, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_98 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0) |
| 423 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 423, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_98 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0); |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | t_joinsuppress_msec = |
| 428 | MIN(pim_if_t_suppressed_msec(up->rpf.source_nexthop.interface),(((pim_if_t_suppressed_msec(up->rpf.source_nexthop.interface ))<(1000 * holdtime))?(pim_if_t_suppressed_msec(up->rpf .source_nexthop.interface)):(1000 * holdtime)) |
| 429 | 1000 * holdtime)(((pim_if_t_suppressed_msec(up->rpf.source_nexthop.interface ))<(1000 * holdtime))?(pim_if_t_suppressed_msec(up->rpf .source_nexthop.interface)):(1000 * holdtime)); |
| 430 | |
| 431 | if (up->t_join_timer) |
| 432 | join_timer_remain_msec = |
| 433 | pim_time_timer_remain_msec(up->t_join_timer); |
| 434 | else { |
| 435 | /* Remove it from jp agg from the nbr for suppression */ |
| 436 | nbr = pim_neighbor_find(up->rpf.source_nexthop.interface, |
| 437 | up->rpf.rpf_addr, true1); |
| 438 | |
| 439 | if (nbr) { |
| 440 | join_timer_remain_msec = |
| 441 | pim_time_timer_remain_msec(nbr->jp_timer); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 446 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 449, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, &rpf, join_timer_remain_msec, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_99 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), "pimd/pim_upstream.c", __func__, up->sg_str, &rpf, join_timer_remain_msec , t_joinsuppress_msec); } while (0) |
| 447 | "%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 449, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, &rpf, join_timer_remain_msec, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_99 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), "pimd/pim_upstream.c", __func__, up->sg_str, &rpf, join_timer_remain_msec , t_joinsuppress_msec); } while (0) |
| 448 | __FILE__, __func__, up->sg_str, &rpf,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 449, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, &rpf, join_timer_remain_msec, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_99 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), "pimd/pim_upstream.c", __func__, up->sg_str, &rpf, join_timer_remain_msec , t_joinsuppress_msec); } while (0) |
| 449 | join_timer_remain_msec, t_joinsuppress_msec)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 449, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, &rpf, join_timer_remain_msec, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_99 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: detected Join%s to RPF'(S,G)=%pPA: join_timer=%ld msec t_joinsuppress=%ld msec" ), "pimd/pim_upstream.c", __func__, up->sg_str, &rpf, join_timer_remain_msec , t_joinsuppress_msec); } while (0); |
| 450 | |
| 451 | if (join_timer_remain_msec < t_joinsuppress_msec) { |
| 452 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 453 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: suppressing Join(S,G)=%s for %ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 456, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: suppressing Join(S,G)=%s for %ld msec"), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_100 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: suppressing Join(S,G)=%s for %ld msec") , "pimd/pim_upstream.c", __func__, up->sg_str, t_joinsuppress_msec ); } while (0) |
| 454 | "%s %s: suppressing Join(S,G)=%s for %ld msec",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: suppressing Join(S,G)=%s for %ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 456, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: suppressing Join(S,G)=%s for %ld msec"), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_100 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: suppressing Join(S,G)=%s for %ld msec") , "pimd/pim_upstream.c", __func__, up->sg_str, t_joinsuppress_msec ); } while (0) |
| 455 | __FILE__, __func__, up->sg_str,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: suppressing Join(S,G)=%s for %ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 456, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: suppressing Join(S,G)=%s for %ld msec"), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_100 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: suppressing Join(S,G)=%s for %ld msec") , "pimd/pim_upstream.c", __func__, up->sg_str, t_joinsuppress_msec ); } while (0) |
| 456 | t_joinsuppress_msec)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s %s: suppressing Join(S,G)=%s for %ld msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 456, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s %s: suppressing Join(S,G)=%s for %ld msec"), .priority = (7), .ec = (0), .args = ("\"pimd/pim_upstream.c\", __func__, up->sg_str, t_joinsuppress_msec" ), }; static const struct xref * const xref_p_100 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s %s: suppressing Join(S,G)=%s for %ld msec") , "pimd/pim_upstream.c", __func__, up->sg_str, t_joinsuppress_msec ); } while (0); |
| 457 | } |
| 458 | |
| 459 | if (nbr) |
| 460 | pim_jp_agg_remove_group(nbr->upstream_jp_agg, up, nbr); |
| 461 | |
| 462 | pim_upstream_join_timer_restart_msec(up, t_joinsuppress_msec); |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | void pim_upstream_join_timer_decrease_to_t_override(const char *debug_label, |
| 467 | struct pim_upstream *up) |
| 468 | { |
| 469 | long join_timer_remain_msec; |
| 470 | int t_override_msec; |
| 471 | |
| 472 | if (!up->rpf.source_nexthop.interface) { |
| 473 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 474 | zlog_debug("%s: up %s RPF is not present", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 475, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_101 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0) |
| 475 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 475, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_101 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0); |
| 476 | return; |
| 477 | } |
| 478 | |
| 479 | t_override_msec = |
| 480 | pim_if_t_override_msec(up->rpf.source_nexthop.interface); |
| 481 | |
| 482 | if (up->t_join_timer) { |
| 483 | join_timer_remain_msec = |
| 484 | pim_time_timer_remain_msec(up->t_join_timer); |
| 485 | } else { |
| 486 | /* upstream join tracked with neighbor jp timer */ |
| 487 | struct pim_neighbor *nbr; |
| 488 | |
| 489 | nbr = pim_neighbor_find(up->rpf.source_nexthop.interface, |
| 490 | up->rpf.rpf_addr, true1); |
| 491 | |
| 492 | if (nbr) |
| 493 | join_timer_remain_msec = |
| 494 | pim_time_timer_remain_msec(nbr->jp_timer); |
| 495 | else |
| 496 | /* Manipulate such that override takes place */ |
| 497 | join_timer_remain_msec = t_override_msec + 1; |
| 498 | } |
| 499 | |
| 500 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 501 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 504, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .priority = (7), .ec = (0), .args = ("debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec, t_override_msec" ), }; static const struct xref * const xref_p_102 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec , t_override_msec); } while (0) |
| 502 | "%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 504, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .priority = (7), .ec = (0), .args = ("debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec, t_override_msec" ), }; static const struct xref * const xref_p_102 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec , t_override_msec); } while (0) |
| 503 | debug_label, up->sg_str, &up->rpf.rpf_addr,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 504, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .priority = (7), .ec = (0), .args = ("debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec, t_override_msec" ), }; static const struct xref * const xref_p_102 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec , t_override_msec); } while (0) |
| 504 | join_timer_remain_msec, t_override_msec)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 504, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), .priority = (7), .ec = (0), .args = ("debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec, t_override_msec" ), }; static const struct xref * const xref_p_102 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: to RPF'%s=%pPA: join_timer=%ld msec t_override=%d msec" ), debug_label, up->sg_str, &up->rpf.rpf_addr, join_timer_remain_msec , t_override_msec); } while (0); |
| 505 | |
| 506 | if (join_timer_remain_msec > t_override_msec) { |
| 507 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 508 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 510, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), .priority = (7), .ec = (0), .args = ("debug_label, up->sg_str, t_override_msec" ), }; static const struct xref * const xref_p_103 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), debug_label, up->sg_str, t_override_msec); } while (0) |
| 509 | "%s: decreasing (S,G)=%s join timer to t_override=%d msec",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 510, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), .priority = (7), .ec = (0), .args = ("debug_label, up->sg_str, t_override_msec" ), }; static const struct xref * const xref_p_103 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), debug_label, up->sg_str, t_override_msec); } while (0) |
| 510 | debug_label, up->sg_str, t_override_msec)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 510, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), .priority = (7), .ec = (0), .args = ("debug_label, up->sg_str, t_override_msec" ), }; static const struct xref * const xref_p_103 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: decreasing (S,G)=%s join timer to t_override=%d msec" ), debug_label, up->sg_str, t_override_msec); } while (0); |
| 511 | } |
| 512 | |
| 513 | pim_upstream_join_timer_restart_msec(up, t_override_msec); |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | static void forward_on(struct pim_upstream *up) |
| 518 | { |
| 519 | struct listnode *chnode; |
| 520 | struct listnode *chnextnode; |
| 521 | struct pim_ifchannel *ch = NULL((void*)0); |
| 522 | |
| 523 | /* scan (S,G) state */ |
| 524 | for (ALL_LIST_ELEMENTS(up->ifchannels, chnode, chnextnode, ch)(chnode) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (chnode) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 524, "pimd/pim_upstream.c" , __func__, }, .expr = "chnode", }; static const struct xref * const xref_p_104 __attribute__((used, section("xref_array")) ) = &(_xref.xref); if (__builtin_expect((chnode) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (chnode); }), ({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 524, "pimd/pim_upstream.c" , __func__, }, .expr = "(chnode)->data != NULL", }; static const struct xref * const xref_p_105 __attribute__((used, section ("xref_array"))) = &(_xref.xref); if (__builtin_expect((( chnode)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while ((chnode)->data != ((void *)0)); }), (chnode)->data)), (chnextnode) = chnode->next , 1); (chnode) = (chnextnode), ((ch) = ((void*)0))) { |
| 525 | if (pim_macro_chisin_oiflist(ch)) |
| 526 | pim_forward_start(ch); |
| 527 | |
| 528 | } /* scan iface channel list */ |
| 529 | } |
| 530 | |
| 531 | static void forward_off(struct pim_upstream *up) |
| 532 | { |
| 533 | struct listnode *chnode; |
| 534 | struct listnode *chnextnode; |
| 535 | struct pim_ifchannel *ch; |
| 536 | |
| 537 | /* scan per-interface (S,G) state */ |
| 538 | for (ALL_LIST_ELEMENTS(up->ifchannels, chnode, chnextnode, ch)(chnode) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (chnode) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 538, "pimd/pim_upstream.c" , __func__, }, .expr = "chnode", }; static const struct xref * const xref_p_106 __attribute__((used, section("xref_array")) ) = &(_xref.xref); if (__builtin_expect((chnode) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (chnode); }), ({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 538, "pimd/pim_upstream.c" , __func__, }, .expr = "(chnode)->data != NULL", }; static const struct xref * const xref_p_107 __attribute__((used, section ("xref_array"))) = &(_xref.xref); if (__builtin_expect((( chnode)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while ((chnode)->data != ((void *)0)); }), (chnode)->data)), (chnextnode) = chnode->next , 1); (chnode) = (chnextnode), ((ch) = ((void*)0))) { |
| 539 | |
| 540 | pim_forward_stop(ch); |
| 541 | |
| 542 | } /* scan iface channel list */ |
| 543 | } |
| 544 | |
| 545 | int pim_upstream_could_register(struct pim_upstream *up) |
| 546 | { |
| 547 | struct pim_interface *pim_ifp = NULL((void*)0); |
| 548 | |
| 549 | /* FORCE_PIMREG is a generic flag to let an app like VxLAN-AA register |
| 550 | * a source on an upstream entry even if the source is not directly |
| 551 | * connected on the IIF. |
| 552 | */ |
| 553 | if (PIM_UPSTREAM_FLAG_TEST_FORCE_PIMREG(up->flags)((up->flags) & (1 << 13))) |
| 554 | return 1; |
| 555 | |
| 556 | if (up->rpf.source_nexthop.interface) |
| 557 | pim_ifp = up->rpf.source_nexthop.interface->info; |
| 558 | else { |
| 559 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 560 | zlog_debug("%s: up %s RPF is not present", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 561, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_108 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0) |
| 561 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 561, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_108 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0); |
| 562 | } |
| 563 | |
| 564 | if (pim_ifp && PIM_I_am_DR(pim_ifp)!pim_addr_cmp((pim_ifp)->pim_dr_addr, (pim_ifp)->primary_address ) |
| 565 | && pim_if_connected_to_source(up->rpf.source_nexthop.interface, |
| 566 | up->sg.src)) |
| 567 | return 1; |
| 568 | |
| 569 | return 0; |
| 570 | } |
| 571 | |
| 572 | /* Source registration is suppressed for SSM groups. When the SSM range changes |
| 573 | * we re-revaluate register setup for existing upstream entries */ |
| 574 | void pim_upstream_register_reevaluate(struct pim_instance *pim) |
| 575 | { |
| 576 | struct pim_upstream *up; |
| 577 | |
| 578 | frr_each (rb_pim_upstream, &pim->upstream_head, up)for (up = rb_pim_upstream_first(&pim->upstream_head); up ; up = rb_pim_upstream_next(&pim->upstream_head, up)) { |
| 579 | /* If FHR is set CouldRegister is True. Also check if the flow |
| 580 | * is actually active; if it is not kat setup will trigger |
| 581 | * source |
| 582 | * registration whenever the flow becomes active. */ |
| 583 | if (!PIM_UPSTREAM_FLAG_TEST_FHR(up->flags)((up->flags) & (1 << 2)) || |
| 584 | !pim_upstream_is_kat_running(up)) |
| 585 | continue; |
| 586 | |
| 587 | if (pim_is_grp_ssm(pim, up->sg.grp)) { |
| 588 | /* clear the register state for SSM groups */ |
| 589 | if (up->reg_state != PIM_REG_NOINFO) { |
| 590 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) |
| 591 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("Clear register for %s as G is now SSM" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 593, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("Clear register for %s as G is now SSM"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_109 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("Clear register for %s as G is now SSM" ), up->sg_str); } while (0) |
| 592 | "Clear register for %s as G is now SSM",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("Clear register for %s as G is now SSM" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 593, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("Clear register for %s as G is now SSM"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_109 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("Clear register for %s as G is now SSM" ), up->sg_str); } while (0) |
| 593 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("Clear register for %s as G is now SSM" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 593, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("Clear register for %s as G is now SSM"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_109 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("Clear register for %s as G is now SSM" ), up->sg_str); } while (0); |
| 594 | /* remove regiface from the OIL if it is there*/ |
| 595 | pim_channel_del_oif(up->channel_oil, |
| 596 | pim->regiface, |
| 597 | PIM_OIF_FLAG_PROTO_PIM(1 << 1), |
| 598 | __func__); |
| 599 | up->reg_state = PIM_REG_NOINFO; |
| 600 | } |
| 601 | } else { |
| 602 | /* register ASM sources with the RP */ |
| 603 | if (up->reg_state == PIM_REG_NOINFO) { |
| 604 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) |
| 605 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("Register %s as G is now ASM" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 607, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("Register %s as G is now ASM"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_110 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("Register %s as G is now ASM" ), up->sg_str); } while (0) |
| 606 | "Register %s as G is now ASM",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("Register %s as G is now ASM" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 607, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("Register %s as G is now ASM"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_110 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("Register %s as G is now ASM" ), up->sg_str); } while (0) |
| 607 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("Register %s as G is now ASM" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 607, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("Register %s as G is now ASM"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_110 __attribute__((used, section("xref_array" ))) = &(_xref.xref); zlog_ref(&_xref, ("Register %s as G is now ASM" ), up->sg_str); } while (0); |
| 608 | pim_channel_add_oif(up->channel_oil, |
| 609 | pim->regiface, |
| 610 | PIM_OIF_FLAG_PROTO_PIM(1 << 1), |
| 611 | __func__); |
| 612 | up->reg_state = PIM_REG_JOIN; |
| 613 | } |
| 614 | } |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | /* RFC7761, Section 4.2 “Data Packet Forwarding Rules” says we should |
| 619 | * forward a S - |
| 620 | * 1. along the SPT if SPTbit is set |
| 621 | * 2. and along the RPT if SPTbit is not set |
| 622 | * If forwarding is hw accelerated i.e. control and dataplane components |
| 623 | * are separate you may not be able to reliably set SPT bit on intermediate |
| 624 | * routers while still forwarding on the (S,G,rpt). |
| 625 | * |
| 626 | * This macro is a slight deviation on the RFC and uses "traffic-agnostic" |
| 627 | * criteria to decide between using the RPT vs. SPT for forwarding. |
| 628 | */ |
| 629 | void pim_upstream_update_use_rpt(struct pim_upstream *up, |
| 630 | bool_Bool update_mroute) |
| 631 | { |
| 632 | bool_Bool old_use_rpt; |
| 633 | bool_Bool new_use_rpt; |
| 634 | |
| 635 | if (pim_addr_is_any(up->sg.src)) |
| 636 | return; |
| 637 | |
| 638 | old_use_rpt = !!PIM_UPSTREAM_FLAG_TEST_USE_RPT(up->flags)((up->flags) & (1 << 20)); |
| 639 | |
| 640 | /* We will use the SPT (IIF=RPF_interface(S) if - |
| 641 | * 1. We have decided to join the SPT |
| 642 | * 2. We are FHR |
| 643 | * 3. Source is directly connected |
| 644 | * 4. We are RP (parent's IIF is lo or vrf-device) |
| 645 | * In all other cases the source will stay along the RPT and |
| 646 | * IIF=RPF_interface(RP). |
| 647 | */ |
| 648 | if (up->join_state == PIM_UPSTREAM_JOINED || |
| 649 | PIM_UPSTREAM_FLAG_TEST_FHR(up->flags)((up->flags) & (1 << 2)) || |
| 650 | pim_if_connected_to_source( |
| 651 | up->rpf.source_nexthop.interface, |
| 652 | up->sg.src) || |
| 653 | /* XXX - need to switch this to a more efficient |
| 654 | * lookup API |
| 655 | */ |
| 656 | I_am_RP(up->pim, up->sg.grp)pim_rp_i_am_rp ((up->pim), (up->sg.grp))) |
| 657 | /* use SPT */ |
| 658 | PIM_UPSTREAM_FLAG_UNSET_USE_RPT(up->flags)((up->flags) &= ~(1 << 20)); |
| 659 | else |
| 660 | /* use RPT */ |
| 661 | PIM_UPSTREAM_FLAG_SET_USE_RPT(up->flags)((up->flags) |= (1 << 20)); |
| 662 | |
| 663 | new_use_rpt = !!PIM_UPSTREAM_FLAG_TEST_USE_RPT(up->flags)((up->flags) & (1 << 20)); |
| 664 | if (old_use_rpt != new_use_rpt) { |
| 665 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) |
| 666 | zlog_debug("%s switched from %s to %s", up->sg_str,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s switched from %s to %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 668, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s switched from %s to %s"), .priority = (7), . ec = (0), .args = ("up->sg_str, old_use_rpt ? \"RPT\" : \"SPT\", new_use_rpt ? \"RPT\" : \"SPT\"" ), }; static const struct xref * const xref_p_111 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s switched from %s to %s"), up->sg_str, old_use_rpt ? "RPT" : "SPT", new_use_rpt ? "RPT" : "SPT"); } while (0) |
| 667 | old_use_rpt ? "RPT" : "SPT",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s switched from %s to %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 668, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s switched from %s to %s"), .priority = (7), . ec = (0), .args = ("up->sg_str, old_use_rpt ? \"RPT\" : \"SPT\", new_use_rpt ? \"RPT\" : \"SPT\"" ), }; static const struct xref * const xref_p_111 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s switched from %s to %s"), up->sg_str, old_use_rpt ? "RPT" : "SPT", new_use_rpt ? "RPT" : "SPT"); } while (0) |
| 668 | new_use_rpt ? "RPT" : "SPT")do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s switched from %s to %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 668, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s switched from %s to %s"), .priority = (7), . ec = (0), .args = ("up->sg_str, old_use_rpt ? \"RPT\" : \"SPT\", new_use_rpt ? \"RPT\" : \"SPT\"" ), }; static const struct xref * const xref_p_111 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s switched from %s to %s"), up->sg_str, old_use_rpt ? "RPT" : "SPT", new_use_rpt ? "RPT" : "SPT"); } while (0); |
| 669 | if (update_mroute) |
| 670 | pim_upstream_mroute_add(up->channel_oil, __func__); |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | /* some events like RP change require re-evaluation of SGrpt across |
| 675 | * all groups |
| 676 | */ |
| 677 | void pim_upstream_reeval_use_rpt(struct pim_instance *pim) |
| 678 | { |
| 679 | struct pim_upstream *up; |
| 680 | |
| 681 | frr_each (rb_pim_upstream, &pim->upstream_head, up)for (up = rb_pim_upstream_first(&pim->upstream_head); up ; up = rb_pim_upstream_next(&pim->upstream_head, up)) { |
| 682 | if (pim_addr_is_any(up->sg.src)) |
| 683 | continue; |
| 684 | |
| 685 | pim_upstream_update_use_rpt(up, true1 /*update_mroute*/); |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | void pim_upstream_switch(struct pim_instance *pim, struct pim_upstream *up, |
| 690 | enum pim_upstream_state new_state) |
| 691 | { |
| 692 | enum pim_upstream_state old_state = up->join_state; |
| 693 | |
| 694 | if (pim_addr_is_any(up->upstream_addr)) { |
| 695 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) |
| 696 | zlog_debug("%s: RPF not configured for %s", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RPF not configured for %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 697, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RPF not configured for %s"), .priority = (7 ), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_112 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: RPF not configured for %s" ), __func__, up->sg_str); } while (0) |
| 697 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RPF not configured for %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 697, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RPF not configured for %s"), .priority = (7 ), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_112 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: RPF not configured for %s" ), __func__, up->sg_str); } while (0); |
| 698 | return; |
| 699 | } |
| 700 | |
| 701 | if (!up->rpf.source_nexthop.interface) { |
| 702 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) |
| 703 | zlog_debug("%s: RP not reachable for %s", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RP not reachable for %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 704, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RP not reachable for %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_113 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: RP not reachable for %s" ), __func__, up->sg_str); } while (0) |
| 704 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RP not reachable for %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 704, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RP not reachable for %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_113 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: RP not reachable for %s" ), __func__, up->sg_str); } while (0); |
| 705 | return; |
| 706 | } |
| 707 | |
| 708 | if (PIM_DEBUG_PIM_EVENTS(router->debugs & (1 << 0))) { |
| 709 | zlog_debug("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 712, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str(new_state)" ), }; static const struct xref * const xref_p_114 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), __func__ , up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str (new_state)); } while (0) |
| 710 | __func__, up->sg_str,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 712, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str(new_state)" ), }; static const struct xref * const xref_p_114 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), __func__ , up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str (new_state)); } while (0) |
| 711 | pim_upstream_state2str(up->join_state),do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 712, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str(new_state)" ), }; static const struct xref * const xref_p_114 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), __func__ , up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str (new_state)); } while (0) |
| 712 | pim_upstream_state2str(new_state))do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 712, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str(new_state)" ), }; static const struct xref * const xref_p_114 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: PIM_UPSTREAM_%s: (S,G) old: %s new: %s"), __func__ , up->sg_str, pim_upstream_state2str(up->join_state), pim_upstream_state2str (new_state)); } while (0); |
| 713 | } |
| 714 | |
| 715 | up->join_state = new_state; |
| 716 | if (old_state != new_state) |
| 717 | up->state_transition = pim_time_monotonic_sec(); |
| 718 | |
| 719 | pim_upstream_update_assert_tracking_desired(up); |
| 720 | |
| 721 | if (new_state == PIM_UPSTREAM_JOINED) { |
| 722 | pim_upstream_inherited_olist_decide(pim, up); |
| 723 | if (old_state != PIM_UPSTREAM_JOINED) { |
| 724 | int old_fhr = PIM_UPSTREAM_FLAG_TEST_FHR(up->flags)((up->flags) & (1 << 2)); |
| 725 | |
| 726 | pim_msdp_up_join_state_changed(pim, up); |
| 727 | if (pim_upstream_could_register(up)) { |
| 728 | PIM_UPSTREAM_FLAG_SET_FHR(up->flags)((up->flags) |= (1 << 2)); |
| 729 | if (!old_fhr |
| 730 | && PIM_UPSTREAM_FLAG_TEST_SRC_STREAM(((up->flags) & (1 << 5)) |
| 731 | up->flags)((up->flags) & (1 << 5))) { |
| 732 | pim_upstream_keep_alive_timer_start( |
| 733 | up, pim->keep_alive_time); |
| 734 | pim_register_join(up); |
| 735 | } |
| 736 | } else { |
| 737 | pim_upstream_send_join(up); |
| 738 | join_timer_start(up); |
| 739 | } |
| 740 | } |
| 741 | if (old_state != new_state) |
| 742 | pim_upstream_update_use_rpt(up, true1 /*update_mroute*/); |
| 743 | } else { |
| 744 | bool_Bool old_use_rpt; |
| 745 | bool_Bool new_use_rpt; |
| 746 | bool_Bool send_xg_jp = false0; |
| 747 | |
| 748 | forward_off(up); |
| 749 | /* |
| 750 | * RFC 4601 Sec 4.5.7: |
| 751 | * JoinDesired(S,G) -> False, set SPTbit to false. |
| 752 | */ |
| 753 | if (!pim_addr_is_any(up->sg.src)) |
| 754 | up->sptbit = PIM_UPSTREAM_SPTBIT_FALSE; |
| 755 | |
| 756 | if (old_state == PIM_UPSTREAM_JOINED) |
| 757 | pim_msdp_up_join_state_changed(pim, up); |
| 758 | |
| 759 | if (old_state != new_state) { |
| 760 | old_use_rpt = |
| 761 | !!PIM_UPSTREAM_FLAG_TEST_USE_RPT(up->flags)((up->flags) & (1 << 20)); |
| 762 | pim_upstream_update_use_rpt(up, true1 /*update_mroute*/); |
| 763 | new_use_rpt = |
| 764 | !!PIM_UPSTREAM_FLAG_TEST_USE_RPT(up->flags)((up->flags) & (1 << 20)); |
| 765 | if (new_use_rpt && |
| 766 | (new_use_rpt != old_use_rpt) && |
| 767 | up->parent) |
| 768 | /* we have decided to switch from the SPT back |
| 769 | * to the RPT which means we need to cancel |
| 770 | * any previously sent SGrpt prunes immediately |
| 771 | */ |
| 772 | send_xg_jp = true1; |
| 773 | } |
| 774 | |
| 775 | /* IHR, Trigger SGRpt on *,G IIF to prune S,G from RPT towards |
| 776 | RP. |
| 777 | If I am RP for G then send S,G prune to its IIF. */ |
| 778 | if (pim_upstream_is_sg_rpt(up) && up->parent && |
| 779 | !I_am_RP(pim, up->sg.grp)pim_rp_i_am_rp ((pim), (up->sg.grp))) |
| 780 | send_xg_jp = true1; |
| 781 | |
| 782 | pim_jp_agg_single_upstream_send(&up->rpf, up, 0 /* prune */); |
| 783 | |
| 784 | if (send_xg_jp) { |
| 785 | if (PIM_DEBUG_PIM_TRACE_DETAIL(router->debugs & (1 << 6))) |
| 786 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0) |
| 787 | "re-join RPT; *,G IIF %s S,G IIF %s ",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0) |
| 788 | up->parent->rpf.source_nexthop.interface ?do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0) |
| 789 | up->parent->rpf.source_nexthop.interface->namedo { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0) |
| 790 | : "Unknown",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0) |
| 791 | up->rpf.source_nexthop.interface ?do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0) |
| 792 | up->rpf.source_nexthop.interface->name :do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0) |
| 793 | "Unknown")do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("re-join RPT; *,G IIF %s S,G IIF %s " ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 793, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("re-join RPT; *,G IIF %s S,G IIF %s "), .priority = (7), .ec = (0), .args = ("up->parent->rpf.source_nexthop.interface ? up->parent->rpf.source_nexthop.interface->name : \"Unknown\", up->rpf.source_nexthop.interface ? up->rpf.source_nexthop.interface->name : \"Unknown\"" ), }; static const struct xref * const xref_p_115 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("re-join RPT; *,G IIF %s S,G IIF %s "), up-> parent->rpf.source_nexthop.interface ? up->parent->rpf .source_nexthop.interface->name : "Unknown", up->rpf.source_nexthop .interface ? up->rpf.source_nexthop.interface->name : "Unknown" ); } while (0); |
| 794 | pim_jp_agg_single_upstream_send(&up->parent->rpf, |
| 795 | up->parent, |
| 796 | 1 /* (W,G) Join */); |
| 797 | } |
| 798 | join_timer_stop(up); |
| 799 | } |
| 800 | } |
| 801 | |
| 802 | int pim_upstream_compare(const struct pim_upstream *up1, |
| 803 | const struct pim_upstream *up2) |
| 804 | { |
| 805 | return pim_sgaddr_cmp(up1->sg, up2->sg); |
| 806 | } |
| 807 | |
| 808 | void pim_upstream_fill_static_iif(struct pim_upstream *up, |
| 809 | struct interface *incoming) |
| 810 | { |
| 811 | up->rpf.source_nexthop.interface = incoming; |
| 812 | |
| 813 | /* reset other parameters to matched a connected incoming interface */ |
| 814 | up->rpf.source_nexthop.mrib_nexthop_addr = PIMADDR_ANY(pim_addr){ }; |
| 815 | up->rpf.source_nexthop.mrib_metric_preference = |
| 816 | ZEBRA_CONNECT_DISTANCE_DEFAULT0; |
| 817 | up->rpf.source_nexthop.mrib_route_metric = 0; |
| 818 | up->rpf.rpf_addr = PIMADDR_ANY(pim_addr){ }; |
| 819 | } |
| 820 | |
| 821 | static struct pim_upstream *pim_upstream_new(struct pim_instance *pim, |
| 822 | pim_sgaddr *sg, |
| 823 | struct interface *incoming, |
| 824 | int flags, |
| 825 | struct pim_ifchannel *ch) |
| 826 | { |
| 827 | enum pim_rpf_result rpf_result; |
| 828 | struct pim_interface *pim_ifp; |
| 829 | struct pim_upstream *up; |
| 830 | |
| 831 | up = XCALLOC(MTYPE_PIM_UPSTREAM, sizeof(*up))qcalloc(MTYPE_PIM_UPSTREAM, sizeof(*up)); |
| 832 | |
| 833 | up->pim = pim; |
| 834 | up->sg = *sg; |
| 835 | snprintfrr(up->sg_str, sizeof(up->sg_str), "%pSG", sg); |
| 836 | if (ch) |
| 837 | ch->upstream = up; |
| 838 | |
| 839 | rb_pim_upstream_add(&pim->upstream_head, up); |
| 840 | /* Set up->upstream_addr as INADDR_ANY, if RP is not |
| 841 | * configured and retain the upstream data structure |
| 842 | */ |
| 843 | if (!pim_rp_set_upstream_addr(pim, &up->upstream_addr, sg->src, |
| 844 | sg->grp)) { |
| 845 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 846 | zlog_debug("%s: Received a (*,G) with no RP configured",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Received a (*,G) with no RP configured" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 847, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Received a (*,G) with no RP configured"), . priority = (7), .ec = (0), .args = ("__func__"), }; static const struct xref * const xref_p_116 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: Received a (*,G) with no RP configured" ), __func__); } while (0) |
| 847 | __func__)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Received a (*,G) with no RP configured" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 847, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Received a (*,G) with no RP configured"), . priority = (7), .ec = (0), .args = ("__func__"), }; static const struct xref * const xref_p_116 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: Received a (*,G) with no RP configured" ), __func__); } while (0); |
| 848 | } |
| 849 | |
| 850 | up->parent = pim_upstream_find_parent(pim, up); |
| 851 | if (pim_addr_is_any(up->sg.src)) { |
| 852 | up->sources = list_new(); |
| 853 | up->sources->cmp = |
| 854 | (int (*)(void *, void *))pim_upstream_compare; |
| 855 | } else |
| 856 | up->sources = NULL((void*)0); |
| 857 | |
| 858 | pim_upstream_find_new_children(pim, up); |
| 859 | up->flags = flags; |
| 860 | up->ref_count = 1; |
| 861 | up->t_join_timer = NULL((void*)0); |
| 862 | up->t_ka_timer = NULL((void*)0); |
| 863 | up->t_rs_timer = NULL((void*)0); |
| 864 | up->t_msdp_reg_timer = NULL((void*)0); |
| 865 | up->join_state = PIM_UPSTREAM_NOTJOINED; |
| 866 | up->reg_state = PIM_REG_NOINFO; |
| 867 | up->state_transition = pim_time_monotonic_sec(); |
| 868 | up->channel_oil = pim_channel_oil_add(pim, &up->sg, __func__); |
| 869 | up->sptbit = PIM_UPSTREAM_SPTBIT_FALSE; |
| 870 | |
| 871 | up->rpf.source_nexthop.interface = NULL((void*)0); |
| 872 | up->rpf.source_nexthop.mrib_nexthop_addr = PIMADDR_ANY(pim_addr){ }; |
| 873 | up->rpf.source_nexthop.mrib_metric_preference = |
| 874 | router->infinite_assert_metric.metric_preference; |
| 875 | up->rpf.source_nexthop.mrib_route_metric = |
| 876 | router->infinite_assert_metric.route_metric; |
| 877 | up->rpf.rpf_addr = PIMADDR_ANY(pim_addr){ }; |
| 878 | up->ifchannels = list_new(); |
| 879 | up->ifchannels->cmp = (int (*)(void *, void *))pim_ifchannel_compare; |
| 880 | |
| 881 | if (!pim_addr_is_any(up->sg.src)) { |
| 882 | wheel_add_item(pim->upstream_sg_wheel, up); |
| 883 | |
| 884 | /* Inherit the DF role from the parent (*, G) entry for |
| 885 | * VxLAN BUM groups |
| 886 | */ |
| 887 | if (up->parent |
| 888 | && PIM_UPSTREAM_FLAG_TEST_MLAG_VXLAN(up->parent->flags)((up->parent->flags) & (1 << 16)) |
| 889 | && PIM_UPSTREAM_FLAG_TEST_MLAG_NON_DF(up->parent->flags)((up->parent->flags) & (1 << 17))) { |
| 890 | PIM_UPSTREAM_FLAG_SET_MLAG_NON_DF(up->flags)((up->flags) |= (1 << 17)); |
| 891 | if (PIM_DEBUG_VXLAN(router->debugs & (1 << 26))) |
| 892 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("upstream %s inherited mlag non-df flag from parent" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 894, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("upstream %s inherited mlag non-df flag from parent" ), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_117 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("upstream %s inherited mlag non-df flag from parent" ), up->sg_str); } while (0) |
| 893 | "upstream %s inherited mlag non-df flag from parent",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("upstream %s inherited mlag non-df flag from parent" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 894, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("upstream %s inherited mlag non-df flag from parent" ), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_117 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("upstream %s inherited mlag non-df flag from parent" ), up->sg_str); } while (0) |
| 894 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("upstream %s inherited mlag non-df flag from parent" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 894, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("upstream %s inherited mlag non-df flag from parent" ), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_117 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("upstream %s inherited mlag non-df flag from parent" ), up->sg_str); } while (0); |
| 895 | } |
| 896 | } |
| 897 | |
| 898 | if (PIM_UPSTREAM_FLAG_TEST_STATIC_IIF(up->flags)((up->flags) & (1 << 10)) |
| 899 | || PIM_UPSTREAM_FLAG_TEST_SRC_NOCACHE(up->flags)((up->flags) &(1 << 19))) { |
| 900 | pim_upstream_fill_static_iif(up, incoming); |
| 901 | pim_ifp = up->rpf.source_nexthop.interface->info; |
| 902 | assert(pim_ifp)({ static const struct xref_assert _xref __attribute__( (used )) = { .xref = { (((void*)0)), (XREFT_ASSERT), 902, "pimd/pim_upstream.c" , __func__, }, .expr = "pim_ifp", }; static const struct xref * const xref_p_118 __attribute__((used, section("xref_array" ))) = &(_xref.xref); if (__builtin_expect((pim_ifp) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (pim_ifp); }); |
| 903 | pim_upstream_update_use_rpt(up, |
| 904 | false0 /*update_mroute*/); |
| 905 | pim_upstream_mroute_iif_update(up->channel_oil, __func__); |
| 906 | |
| 907 | if (PIM_UPSTREAM_FLAG_TEST_SRC_NOCACHE(up->flags)((up->flags) &(1 << 19))) { |
| 908 | /* |
| 909 | * Set the right RPF so that future changes will |
| 910 | * be right |
| 911 | */ |
| 912 | rpf_result = pim_rpf_update(pim, up, NULL((void*)0), __func__); |
Value stored to 'rpf_result' is never read | |
| 913 | pim_upstream_keep_alive_timer_start( |
| 914 | up, pim->keep_alive_time); |
| 915 | } |
| 916 | } else if (!pim_addr_is_any(up->upstream_addr)) { |
| 917 | pim_upstream_update_use_rpt(up, |
| 918 | false0 /*update_mroute*/); |
| 919 | rpf_result = pim_rpf_update(pim, up, NULL((void*)0), __func__); |
| 920 | if (rpf_result == PIM_RPF_FAILURE) { |
| 921 | up->channel_oil->oil_inherited_rescan = 1; |
| 922 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 923 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 925, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_119 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), __func__, up->sg_str); } while (0) |
| 924 | "%s: Attempting to create upstream(%s), Unable to RPF for source",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 925, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_119 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), __func__, up->sg_str); } while (0) |
| 925 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 925, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_119 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Attempting to create upstream(%s), Unable to RPF for source" ), __func__, up->sg_str); } while (0); |
| 926 | } |
| 927 | |
| 928 | /* Consider a case where (S,G,rpt) prune is received and this |
| 929 | * upstream is getting created due to that, then as per RFC |
| 930 | * until prune pending time we need to behave same as NOINFO |
| 931 | * state, therefore do not install if OIF is NULL until then |
| 932 | * This is for PIM Conformance PIM-SM 16.3 fix |
| 933 | * When the prune pending timer pop, this mroute will get |
| 934 | * installed with none as OIF */ |
| 935 | if (up->rpf.source_nexthop.interface && |
| 936 | !(pim_upstream_empty_inherited_olist(up) && (ch != NULL((void*)0)) && |
| 937 | PIM_IF_FLAG_TEST_S_G_RPT(ch->flags)((ch->flags) & (1 << 2)))) { |
| 938 | pim_upstream_mroute_iif_update(up->channel_oil, |
| 939 | __func__); |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | /* send the entry to the MLAG peer */ |
| 944 | /* XXX - duplicate send is possible here if pim_rpf_update |
| 945 | * successfully resolved the nexthop |
| 946 | */ |
| 947 | if (pim_up_mlag_is_local(up) |
| 948 | || PIM_UPSTREAM_FLAG_TEST_MLAG_INTERFACE(up->flags)((up->flags)&(1 << 21))) |
| 949 | pim_mlag_up_local_add(pim, up); |
| 950 | |
| 951 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 952 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 955, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->upstream_addr, up->ref_count" ), }; static const struct xref * const xref_p_120 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), __func__, up->sg_str, &up->upstream_addr, up-> ref_count); } while (0) |
| 953 | "%s: Created Upstream %s upstream_addr %pPAs ref count %d increment",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 955, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->upstream_addr, up->ref_count" ), }; static const struct xref * const xref_p_120 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), __func__, up->sg_str, &up->upstream_addr, up-> ref_count); } while (0) |
| 954 | __func__, up->sg_str, &up->upstream_addr,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 955, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->upstream_addr, up->ref_count" ), }; static const struct xref * const xref_p_120 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), __func__, up->sg_str, &up->upstream_addr, up-> ref_count); } while (0) |
| 955 | up->ref_count)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 955, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, &up->upstream_addr, up->ref_count" ), }; static const struct xref * const xref_p_120 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Created Upstream %s upstream_addr %pPAs ref count %d increment" ), __func__, up->sg_str, &up->upstream_addr, up-> ref_count); } while (0); |
| 956 | } |
| 957 | |
| 958 | return up; |
| 959 | } |
| 960 | |
| 961 | uint32_t pim_up_mlag_local_cost(struct pim_upstream *up) |
| 962 | { |
| 963 | if (!(pim_up_mlag_is_local(up)) |
| 964 | && !(up->flags & PIM_UPSTREAM_FLAG_MASK_MLAG_INTERFACE(1 << 21))) |
| 965 | return router->infinite_assert_metric.route_metric; |
| 966 | |
| 967 | if ((up->rpf.source_nexthop.interface == |
| 968 | up->pim->vxlan.peerlink_rif) && |
| 969 | (up->rpf.source_nexthop.mrib_route_metric < |
| 970 | (router->infinite_assert_metric.route_metric - |
| 971 | PIM_UPSTREAM_MLAG_PEERLINK_PLUS_METRIC10))) |
| 972 | return up->rpf.source_nexthop.mrib_route_metric + |
| 973 | PIM_UPSTREAM_MLAG_PEERLINK_PLUS_METRIC10; |
| 974 | |
| 975 | return up->rpf.source_nexthop.mrib_route_metric; |
| 976 | } |
| 977 | |
| 978 | uint32_t pim_up_mlag_peer_cost(struct pim_upstream *up) |
| 979 | { |
| 980 | if (!(up->flags & PIM_UPSTREAM_FLAG_MASK_MLAG_PEER(1 << 18))) |
| 981 | return router->infinite_assert_metric.route_metric; |
| 982 | |
| 983 | return up->mlag.peer_mrib_metric; |
| 984 | } |
| 985 | |
| 986 | struct pim_upstream *pim_upstream_find(struct pim_instance *pim, pim_sgaddr *sg) |
| 987 | { |
| 988 | struct pim_upstream lookup; |
| 989 | struct pim_upstream *up = NULL((void*)0); |
| 990 | |
| 991 | lookup.sg = *sg; |
| 992 | up = rb_pim_upstream_find(&pim->upstream_head, &lookup); |
| 993 | return up; |
| 994 | } |
| 995 | |
| 996 | struct pim_upstream *pim_upstream_find_or_add(pim_sgaddr *sg, |
| 997 | struct interface *incoming, |
| 998 | int flags, const char *name) |
| 999 | { |
| 1000 | struct pim_interface *pim_ifp = incoming->info; |
| 1001 | |
| 1002 | return (pim_upstream_add(pim_ifp->pim, sg, incoming, flags, name, |
| 1003 | NULL((void*)0))); |
| 1004 | } |
| 1005 | |
| 1006 | void pim_upstream_ref(struct pim_upstream *up, int flags, const char *name) |
| 1007 | { |
| 1008 | /* if a local MLAG reference is being created we need to send the mroute |
| 1009 | * to the peer |
| 1010 | */ |
| 1011 | if (!PIM_UPSTREAM_FLAG_TEST_MLAG_VXLAN(up->flags)((up->flags) & (1 << 16)) && |
| 1012 | PIM_UPSTREAM_FLAG_TEST_MLAG_VXLAN(flags)((flags) & (1 << 16))) { |
| 1013 | PIM_UPSTREAM_FLAG_SET_MLAG_VXLAN(up->flags)((up->flags) |= (1 << 16)); |
| 1014 | pim_mlag_up_local_add(up->pim, up); |
| 1015 | } |
| 1016 | |
| 1017 | /* when we go from non-FHR to FHR we need to re-eval traffic |
| 1018 | * forwarding path |
| 1019 | */ |
| 1020 | if (!PIM_UPSTREAM_FLAG_TEST_FHR(up->flags)((up->flags) & (1 << 2)) && |
| 1021 | PIM_UPSTREAM_FLAG_TEST_FHR(flags)((flags) & (1 << 2))) { |
| 1022 | PIM_UPSTREAM_FLAG_SET_FHR(up->flags)((up->flags) |= (1 << 2)); |
| 1023 | pim_upstream_update_use_rpt(up, true1 /*update_mroute*/); |
| 1024 | } |
| 1025 | |
| 1026 | /* re-eval joinDesired; clearing peer-msdp-sa flag can |
| 1027 | * cause JD to change |
| 1028 | */ |
| 1029 | if (!PIM_UPSTREAM_FLAG_TEST_SRC_MSDP(up->flags)((up->flags) & (1 << 6)) && |
| 1030 | PIM_UPSTREAM_FLAG_TEST_SRC_MSDP(flags)((flags) & (1 << 6))) { |
| 1031 | PIM_UPSTREAM_FLAG_SET_SRC_MSDP(up->flags)((up->flags) |= (1 << 6)); |
| 1032 | pim_upstream_update_join_desired(up->pim, up); |
| 1033 | } |
| 1034 | |
| 1035 | up->flags |= flags; |
| 1036 | ++up->ref_count; |
| 1037 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1038 | zlog_debug("%s(%s): upstream %s ref count %d increment",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): upstream %s ref count %d increment" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1039, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): upstream %s ref count %d increment"), . priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, up->ref_count" ), }; static const struct xref * const xref_p_121 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): upstream %s ref count %d increment"), __func__ , name, up->sg_str, up->ref_count); } while (0) |
| 1039 | __func__, name, up->sg_str, up->ref_count)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): upstream %s ref count %d increment" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1039, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): upstream %s ref count %d increment"), . priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, up->ref_count" ), }; static const struct xref * const xref_p_121 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): upstream %s ref count %d increment"), __func__ , name, up->sg_str, up->ref_count); } while (0); |
| 1040 | } |
| 1041 | |
| 1042 | struct pim_upstream *pim_upstream_add(struct pim_instance *pim, pim_sgaddr *sg, |
| 1043 | struct interface *incoming, int flags, |
| 1044 | const char *name, |
| 1045 | struct pim_ifchannel *ch) |
| 1046 | { |
| 1047 | struct pim_upstream *up = NULL((void*)0); |
| 1048 | int found = 0; |
| 1049 | |
| 1050 | up = pim_upstream_find(pim, sg); |
| 1051 | if (up) { |
| 1052 | pim_upstream_ref(up, flags, name); |
| 1053 | found = 1; |
| 1054 | } else { |
| 1055 | up = pim_upstream_new(pim, sg, incoming, flags, ch); |
| 1056 | } |
| 1057 | |
| 1058 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 1059 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1065, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, &up->rpf.rpf_addr, up->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : \"Unknown\", found, up->ref_count" ), }; static const struct xref * const xref_p_122 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), __func__, name, up->sg_str, &up->rpf.rpf_addr, up ->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : "Unknown", found, up->ref_count); } while (0) |
| 1060 | "%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1065, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, &up->rpf.rpf_addr, up->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : \"Unknown\", found, up->ref_count" ), }; static const struct xref * const xref_p_122 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), __func__, name, up->sg_str, &up->rpf.rpf_addr, up ->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : "Unknown", found, up->ref_count); } while (0) |
| 1061 | __func__, name, up->sg_str, &up->rpf.rpf_addr,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1065, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, &up->rpf.rpf_addr, up->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : \"Unknown\", found, up->ref_count" ), }; static const struct xref * const xref_p_122 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), __func__, name, up->sg_str, &up->rpf.rpf_addr, up ->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : "Unknown", found, up->ref_count); } while (0) |
| 1062 | up->rpf.source_nexthop.interface ? up->rpf.source_nexthopdo { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1065, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, &up->rpf.rpf_addr, up->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : \"Unknown\", found, up->ref_count" ), }; static const struct xref * const xref_p_122 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), __func__, name, up->sg_str, &up->rpf.rpf_addr, up ->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : "Unknown", found, up->ref_count); } while (0) |
| 1063 | .interface->namedo { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1065, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, &up->rpf.rpf_addr, up->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : \"Unknown\", found, up->ref_count" ), }; static const struct xref * const xref_p_122 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), __func__, name, up->sg_str, &up->rpf.rpf_addr, up ->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : "Unknown", found, up->ref_count); } while (0) |
| 1064 | : "Unknown",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1065, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, &up->rpf.rpf_addr, up->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : \"Unknown\", found, up->ref_count" ), }; static const struct xref * const xref_p_122 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), __func__, name, up->sg_str, &up->rpf.rpf_addr, up ->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : "Unknown", found, up->ref_count); } while (0) |
| 1065 | found, up->ref_count)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1065, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), .priority = (7), .ec = (0), .args = ("__func__, name, up->sg_str, &up->rpf.rpf_addr, up->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : \"Unknown\", found, up->ref_count" ), }; static const struct xref * const xref_p_122 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s(%s): %s, iif %pPA (%s) found: %d: ref_count: %d" ), __func__, name, up->sg_str, &up->rpf.rpf_addr, up ->rpf.source_nexthop.interface ? up->rpf.source_nexthop .interface->name : "Unknown", found, up->ref_count); } while (0); |
| 1066 | } |
| 1067 | |
| 1068 | return up; |
| 1069 | } |
| 1070 | |
| 1071 | /* |
| 1072 | * Passed in up must be the upstream for ch. starch is NULL if no |
| 1073 | * information |
| 1074 | * This function is copied over from |
| 1075 | * pim_upstream_evaluate_join_desired_interface but limited to |
| 1076 | * parent (*,G)'s includes/joins. |
| 1077 | */ |
| 1078 | int pim_upstream_eval_inherit_if(struct pim_upstream *up, |
| 1079 | struct pim_ifchannel *ch, |
| 1080 | struct pim_ifchannel *starch) |
| 1081 | { |
| 1082 | /* if there is an explicit prune for this interface we cannot |
| 1083 | * add it to the OIL |
| 1084 | */ |
| 1085 | if (ch) { |
| 1086 | if (PIM_IF_FLAG_TEST_S_G_RPT(ch->flags)((ch->flags) & (1 << 2))) |
| 1087 | return 0; |
| 1088 | } |
| 1089 | |
| 1090 | /* Check if the OIF can be inherited fron the (*,G) entry |
| 1091 | */ |
| 1092 | if (starch) { |
| 1093 | if (!pim_macro_ch_lost_assert(starch) |
| 1094 | && pim_macro_chisin_joins_or_include(starch)) |
| 1095 | return 1; |
| 1096 | } |
| 1097 | |
| 1098 | return 0; |
| 1099 | } |
| 1100 | |
| 1101 | /* |
| 1102 | * Passed in up must be the upstream for ch. starch is NULL if no |
| 1103 | * information |
| 1104 | */ |
| 1105 | int pim_upstream_evaluate_join_desired_interface(struct pim_upstream *up, |
| 1106 | struct pim_ifchannel *ch, |
| 1107 | struct pim_ifchannel *starch) |
| 1108 | { |
| 1109 | if (ch) { |
| 1110 | if (PIM_IF_FLAG_TEST_S_G_RPT(ch->flags)((ch->flags) & (1 << 2))) |
| 1111 | return 0; |
| 1112 | |
| 1113 | if (!pim_macro_ch_lost_assert(ch) |
| 1114 | && pim_macro_chisin_joins_or_include(ch)) |
| 1115 | return 1; |
| 1116 | } |
| 1117 | |
| 1118 | /* |
| 1119 | * joins (*,G) |
| 1120 | */ |
| 1121 | if (starch) { |
| 1122 | /* XXX: check on this with donald |
| 1123 | * we are looking for PIM_IF_FLAG_MASK_S_G_RPT in |
| 1124 | * upstream flags? |
| 1125 | */ |
| 1126 | #if 0 |
| 1127 | if (PIM_IF_FLAG_TEST_S_G_RPT(starch->upstream->flags)((starch->upstream->flags) & (1 << 2))) |
| 1128 | return 0; |
| 1129 | #endif |
| 1130 | |
| 1131 | if (!pim_macro_ch_lost_assert(starch) |
| 1132 | && pim_macro_chisin_joins_or_include(starch)) |
| 1133 | return 1; |
| 1134 | } |
| 1135 | |
| 1136 | return 0; |
| 1137 | } |
| 1138 | |
| 1139 | /* Returns true if immediate OIL is empty and is used to evaluate |
| 1140 | * JoinDesired. See pim_upstream_evaluate_join_desired. |
| 1141 | */ |
| 1142 | static bool_Bool pim_upstream_empty_immediate_olist(struct pim_instance *pim, |
| 1143 | struct pim_upstream *up) |
| 1144 | { |
| 1145 | struct interface *ifp; |
| 1146 | struct pim_ifchannel *ch; |
| 1147 | |
| 1148 | FOR_ALL_INTERFACES (pim->vrf, ifp)if (pim->vrf) for ((ifp) = if_name_head_RB_MIN((&pim-> vrf->ifaces_by_name)); (ifp) != ((void*)0); (ifp) = if_name_head_RB_NEXT ((ifp))) { |
| 1149 | if (!ifp->info) |
| 1150 | continue; |
| 1151 | |
| 1152 | ch = pim_ifchannel_find(ifp, &up->sg); |
| 1153 | if (!ch) |
| 1154 | continue; |
| 1155 | |
| 1156 | /* If we have even one immediate OIF we can return with |
| 1157 | * not-empty |
| 1158 | */ |
| 1159 | if (pim_upstream_evaluate_join_desired_interface(up, ch, |
| 1160 | NULL((void*)0) /* starch */)) |
| 1161 | return false0; |
| 1162 | } /* scan iface channel list */ |
| 1163 | |
| 1164 | /* immediate_oil is empty */ |
| 1165 | return true1; |
| 1166 | } |
| 1167 | |
| 1168 | |
| 1169 | static inline bool_Bool pim_upstream_is_msdp_peer_sa(struct pim_upstream *up) |
| 1170 | { |
| 1171 | return PIM_UPSTREAM_FLAG_TEST_SRC_MSDP(up->flags)((up->flags) & (1 << 6)); |
| 1172 | } |
| 1173 | |
| 1174 | /* |
| 1175 | * bool JoinDesired(*,G) { |
| 1176 | * if (immediate_olist(*,G) != NULL) |
| 1177 | * return TRUE |
| 1178 | * else |
| 1179 | * return FALSE |
| 1180 | * } |
| 1181 | * |
| 1182 | * bool JoinDesired(S,G) { |
| 1183 | * return( immediate_olist(S,G) != NULL |
| 1184 | * OR ( KeepaliveTimer(S,G) is running |
| 1185 | * AND inherited_olist(S,G) != NULL ) ) |
| 1186 | * } |
| 1187 | */ |
| 1188 | bool_Bool pim_upstream_evaluate_join_desired(struct pim_instance *pim, |
| 1189 | struct pim_upstream *up) |
| 1190 | { |
| 1191 | bool_Bool empty_imm_oil; |
| 1192 | bool_Bool empty_inh_oil; |
| 1193 | |
| 1194 | empty_imm_oil = pim_upstream_empty_immediate_olist(pim, up); |
| 1195 | |
| 1196 | /* (*,G) */ |
| 1197 | if (pim_addr_is_any(up->sg.src)) |
| 1198 | return !empty_imm_oil; |
| 1199 | |
| 1200 | /* (S,G) */ |
| 1201 | if (!empty_imm_oil) |
| 1202 | return true1; |
| 1203 | empty_inh_oil = pim_upstream_empty_inherited_olist(up); |
| 1204 | if (!empty_inh_oil && |
| 1205 | (pim_upstream_is_kat_running(up) || |
| 1206 | pim_upstream_is_msdp_peer_sa(up))) |
| 1207 | return true1; |
| 1208 | |
| 1209 | return false0; |
| 1210 | } |
| 1211 | |
| 1212 | /* |
| 1213 | See also pim_upstream_evaluate_join_desired() above. |
| 1214 | */ |
| 1215 | void pim_upstream_update_join_desired(struct pim_instance *pim, |
| 1216 | struct pim_upstream *up) |
| 1217 | { |
| 1218 | int was_join_desired; /* boolean */ |
| 1219 | int is_join_desired; /* boolean */ |
| 1220 | |
| 1221 | was_join_desired = PIM_UPSTREAM_FLAG_TEST_DR_JOIN_DESIRED(up->flags)((up->flags) & (1 << 0)); |
| 1222 | |
| 1223 | is_join_desired = pim_upstream_evaluate_join_desired(pim, up); |
| 1224 | if (is_join_desired) |
| 1225 | PIM_UPSTREAM_FLAG_SET_DR_JOIN_DESIRED(up->flags)((up->flags) |= (1 << 0)); |
| 1226 | else |
| 1227 | PIM_UPSTREAM_FLAG_UNSET_DR_JOIN_DESIRED(up->flags)((up->flags) &= ~(1 << 0)); |
| 1228 | |
| 1229 | /* switched from false to true */ |
| 1230 | if (is_join_desired && (up->join_state == PIM_UPSTREAM_NOTJOINED)) { |
| 1231 | pim_upstream_switch(pim, up, PIM_UPSTREAM_JOINED); |
| 1232 | return; |
| 1233 | } |
| 1234 | |
| 1235 | /* switched from true to false */ |
| 1236 | if (!is_join_desired && was_join_desired) { |
| 1237 | pim_upstream_switch(pim, up, PIM_UPSTREAM_NOTJOINED); |
| 1238 | return; |
| 1239 | } |
| 1240 | } |
| 1241 | |
| 1242 | /* |
| 1243 | RFC 4601 4.5.7. Sending (S,G) Join/Prune Messages |
| 1244 | Transitions from Joined State |
| 1245 | RPF'(S,G) GenID changes |
| 1246 | |
| 1247 | The upstream (S,G) state machine remains in Joined state. If the |
| 1248 | Join Timer is set to expire in more than t_override seconds, reset |
| 1249 | it so that it expires after t_override seconds. |
| 1250 | */ |
| 1251 | void pim_upstream_rpf_genid_changed(struct pim_instance *pim, |
| 1252 | pim_addr neigh_addr) |
| 1253 | { |
| 1254 | struct pim_upstream *up; |
| 1255 | |
| 1256 | /* |
| 1257 | * Scan all (S,G) upstreams searching for RPF'(S,G)=neigh_addr |
| 1258 | */ |
| 1259 | frr_each (rb_pim_upstream, &pim->upstream_head, up)for (up = rb_pim_upstream_first(&pim->upstream_head); up ; up = rb_pim_upstream_next(&pim->upstream_head, up)) { |
| 1260 | pim_addr rpf_addr; |
| 1261 | |
| 1262 | rpf_addr = up->rpf.rpf_addr; |
| 1263 | |
| 1264 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1265 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1270, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .priority = (7), .ec = (0), .args = ("__func__, &neigh_addr, up->sg_str, pim->vrf->name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr" ), }; static const struct xref * const xref_p_123 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), __func__, &neigh_addr, up->sg_str, pim->vrf-> name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr ); } while (0) |
| 1266 | "%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1270, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .priority = (7), .ec = (0), .args = ("__func__, &neigh_addr, up->sg_str, pim->vrf->name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr" ), }; static const struct xref * const xref_p_123 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), __func__, &neigh_addr, up->sg_str, pim->vrf-> name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr ); } while (0) |
| 1267 | __func__, &neigh_addr, up->sg_str,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1270, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .priority = (7), .ec = (0), .args = ("__func__, &neigh_addr, up->sg_str, pim->vrf->name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr" ), }; static const struct xref * const xref_p_123 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), __func__, &neigh_addr, up->sg_str, pim->vrf-> name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr ); } while (0) |
| 1268 | pim->vrf->name,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1270, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .priority = (7), .ec = (0), .args = ("__func__, &neigh_addr, up->sg_str, pim->vrf->name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr" ), }; static const struct xref * const xref_p_123 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), __func__, &neigh_addr, up->sg_str, pim->vrf-> name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr ); } while (0) |
| 1269 | up->join_state == PIM_UPSTREAM_JOINED,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1270, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .priority = (7), .ec = (0), .args = ("__func__, &neigh_addr, up->sg_str, pim->vrf->name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr" ), }; static const struct xref * const xref_p_123 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), __func__, &neigh_addr, up->sg_str, pim->vrf-> name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr ); } while (0) |
| 1270 | &rpf_addr)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1270, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), .priority = (7), .ec = (0), .args = ("__func__, &neigh_addr, up->sg_str, pim->vrf->name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr" ), }; static const struct xref * const xref_p_123 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: matching neigh=%pPA against upstream (S,G)=%s[%s] joined=%d rpf_addr=%pPA" ), __func__, &neigh_addr, up->sg_str, pim->vrf-> name, up->join_state == PIM_UPSTREAM_JOINED, &rpf_addr ); } while (0); |
| 1271 | |
| 1272 | /* consider only (S,G) upstream in Joined state */ |
| 1273 | if (up->join_state != PIM_UPSTREAM_JOINED) |
| 1274 | continue; |
| 1275 | |
| 1276 | /* match RPF'(S,G)=neigh_addr */ |
| 1277 | if (pim_addr_cmp(rpf_addr, neigh_addr)) |
| 1278 | continue; |
| 1279 | |
| 1280 | pim_upstream_join_timer_decrease_to_t_override( |
| 1281 | "RPF'(S,G) GenID change", up); |
| 1282 | } |
| 1283 | } |
| 1284 | |
| 1285 | |
| 1286 | void pim_upstream_rpf_interface_changed(struct pim_upstream *up, |
| 1287 | struct interface *old_rpf_ifp) |
| 1288 | { |
| 1289 | struct listnode *chnode; |
| 1290 | struct listnode *chnextnode; |
| 1291 | struct pim_ifchannel *ch; |
| 1292 | |
| 1293 | /* search all ifchannels */ |
| 1294 | for (ALL_LIST_ELEMENTS(up->ifchannels, chnode, chnextnode, ch)(chnode) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (chnode) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1294, "pimd/pim_upstream.c" , __func__, }, .expr = "chnode", }; static const struct xref * const xref_p_124 __attribute__((used, section("xref_array")) ) = &(_xref.xref); if (__builtin_expect((chnode) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (chnode); }), ({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1294, "pimd/pim_upstream.c" , __func__, }, .expr = "(chnode)->data != NULL", }; static const struct xref * const xref_p_125 __attribute__((used, section ("xref_array"))) = &(_xref.xref); if (__builtin_expect((( chnode)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while ((chnode)->data != ((void *)0)); }), (chnode)->data)), (chnextnode) = chnode->next , 1); (chnode) = (chnextnode), ((ch) = ((void*)0))) { |
| 1295 | if (ch->ifassert_state == PIM_IFASSERT_I_AM_LOSER) { |
| 1296 | if ( |
| 1297 | /* RPF_interface(S) was NOT I */ |
| 1298 | (old_rpf_ifp == ch->interface) && |
| 1299 | /* RPF_interface(S) stopped being I */ |
| 1300 | (ch->upstream->rpf.source_nexthop |
| 1301 | .interface) && |
| 1302 | (ch->upstream->rpf.source_nexthop |
| 1303 | .interface != ch->interface)) { |
| 1304 | assert_action_a5(ch); |
| 1305 | } |
| 1306 | } /* PIM_IFASSERT_I_AM_LOSER */ |
| 1307 | |
| 1308 | pim_ifchannel_update_assert_tracking_desired(ch); |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | void pim_upstream_update_could_assert(struct pim_upstream *up) |
| 1313 | { |
| 1314 | struct listnode *chnode; |
| 1315 | struct listnode *chnextnode; |
| 1316 | struct pim_ifchannel *ch; |
| 1317 | |
| 1318 | /* scan per-interface (S,G) state */ |
| 1319 | for (ALL_LIST_ELEMENTS(up->ifchannels, chnode, chnextnode, ch)(chnode) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (chnode) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1319, "pimd/pim_upstream.c" , __func__, }, .expr = "chnode", }; static const struct xref * const xref_p_126 __attribute__((used, section("xref_array")) ) = &(_xref.xref); if (__builtin_expect((chnode) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (chnode); }), ({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1319, "pimd/pim_upstream.c" , __func__, }, .expr = "(chnode)->data != NULL", }; static const struct xref * const xref_p_127 __attribute__((used, section ("xref_array"))) = &(_xref.xref); if (__builtin_expect((( chnode)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while ((chnode)->data != ((void *)0)); }), (chnode)->data)), (chnextnode) = chnode->next , 1); (chnode) = (chnextnode), ((ch) = ((void*)0))) { |
| 1320 | pim_ifchannel_update_could_assert(ch); |
| 1321 | } /* scan iface channel list */ |
| 1322 | } |
| 1323 | |
| 1324 | void pim_upstream_update_my_assert_metric(struct pim_upstream *up) |
| 1325 | { |
| 1326 | struct listnode *chnode; |
| 1327 | struct listnode *chnextnode; |
| 1328 | struct pim_ifchannel *ch; |
| 1329 | |
| 1330 | /* scan per-interface (S,G) state */ |
| 1331 | for (ALL_LIST_ELEMENTS(up->ifchannels, chnode, chnextnode, ch)(chnode) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (chnode) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1331, "pimd/pim_upstream.c" , __func__, }, .expr = "chnode", }; static const struct xref * const xref_p_128 __attribute__((used, section("xref_array")) ) = &(_xref.xref); if (__builtin_expect((chnode) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (chnode); }), ({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1331, "pimd/pim_upstream.c" , __func__, }, .expr = "(chnode)->data != NULL", }; static const struct xref * const xref_p_129 __attribute__((used, section ("xref_array"))) = &(_xref.xref); if (__builtin_expect((( chnode)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while ((chnode)->data != ((void *)0)); }), (chnode)->data)), (chnextnode) = chnode->next , 1); (chnode) = (chnextnode), ((ch) = ((void*)0))) { |
| 1332 | pim_ifchannel_update_my_assert_metric(ch); |
| 1333 | |
| 1334 | } /* scan iface channel list */ |
| 1335 | } |
| 1336 | |
| 1337 | static void pim_upstream_update_assert_tracking_desired(struct pim_upstream *up) |
| 1338 | { |
| 1339 | struct listnode *chnode; |
| 1340 | struct listnode *chnextnode; |
| 1341 | struct pim_interface *pim_ifp; |
| 1342 | struct pim_ifchannel *ch; |
| 1343 | |
| 1344 | /* scan per-interface (S,G) state */ |
| 1345 | for (ALL_LIST_ELEMENTS(up->ifchannels, chnode, chnextnode, ch)(chnode) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (chnode) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1345, "pimd/pim_upstream.c" , __func__, }, .expr = "chnode", }; static const struct xref * const xref_p_130 __attribute__((used, section("xref_array")) ) = &(_xref.xref); if (__builtin_expect((chnode) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (chnode); }), ({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1345, "pimd/pim_upstream.c" , __func__, }, .expr = "(chnode)->data != NULL", }; static const struct xref * const xref_p_131 __attribute__((used, section ("xref_array"))) = &(_xref.xref); if (__builtin_expect((( chnode)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while ((chnode)->data != ((void *)0)); }), (chnode)->data)), (chnextnode) = chnode->next , 1); (chnode) = (chnextnode), ((ch) = ((void*)0))) { |
| 1346 | if (!ch->interface) |
| 1347 | continue; |
| 1348 | pim_ifp = ch->interface->info; |
| 1349 | if (!pim_ifp) |
| 1350 | continue; |
| 1351 | |
| 1352 | pim_ifchannel_update_assert_tracking_desired(ch); |
| 1353 | |
| 1354 | } /* scan iface channel list */ |
| 1355 | } |
| 1356 | |
| 1357 | /* When kat is stopped CouldRegister goes to false so we need to |
| 1358 | * transition the (S, G) on FHR to NI state and remove reg tunnel |
| 1359 | * from the OIL */ |
| 1360 | static void pim_upstream_fhr_kat_expiry(struct pim_instance *pim, |
| 1361 | struct pim_upstream *up) |
| 1362 | { |
| 1363 | if (!PIM_UPSTREAM_FLAG_TEST_FHR(up->flags)((up->flags) & (1 << 2))) |
| 1364 | return; |
| 1365 | |
| 1366 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1367 | zlog_debug("kat expired on %s; clear fhr reg state",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat expired on %s; clear fhr reg state" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1368, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat expired on %s; clear fhr reg state"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_132 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("kat expired on %s; clear fhr reg state" ), up->sg_str); } while (0) |
| 1368 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat expired on %s; clear fhr reg state" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1368, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat expired on %s; clear fhr reg state"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_132 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("kat expired on %s; clear fhr reg state" ), up->sg_str); } while (0); |
| 1369 | |
| 1370 | /* stop reg-stop timer */ |
| 1371 | EVENT_OFF(up->t_rs_timer)do { if ((up->t_rs_timer)) event_cancel(&(up->t_rs_timer )); } while (0); |
| 1372 | /* remove regiface from the OIL if it is there*/ |
| 1373 | pim_channel_del_oif(up->channel_oil, pim->regiface, |
| 1374 | PIM_OIF_FLAG_PROTO_PIM(1 << 1), __func__); |
| 1375 | /* clear the register state */ |
| 1376 | up->reg_state = PIM_REG_NOINFO; |
| 1377 | PIM_UPSTREAM_FLAG_UNSET_FHR(up->flags)((up->flags) &= ~(1 << 2)); |
| 1378 | } |
| 1379 | |
| 1380 | /* When kat is started CouldRegister can go to true. And if it does we |
| 1381 | * need to transition the (S, G) on FHR to JOINED state and add reg tunnel |
| 1382 | * to the OIL */ |
| 1383 | static void pim_upstream_fhr_kat_start(struct pim_upstream *up) |
| 1384 | { |
| 1385 | if (pim_upstream_could_register(up)) { |
| 1386 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1387 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat started on %s; set fhr reg state to joined" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1389, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat started on %s; set fhr reg state to joined" ), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_133 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("kat started on %s; set fhr reg state to joined" ), up->sg_str); } while (0) |
| 1388 | "kat started on %s; set fhr reg state to joined",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat started on %s; set fhr reg state to joined" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1389, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat started on %s; set fhr reg state to joined" ), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_133 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("kat started on %s; set fhr reg state to joined" ), up->sg_str); } while (0) |
| 1389 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat started on %s; set fhr reg state to joined" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1389, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat started on %s; set fhr reg state to joined" ), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_133 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("kat started on %s; set fhr reg state to joined" ), up->sg_str); } while (0); |
| 1390 | |
| 1391 | PIM_UPSTREAM_FLAG_SET_FHR(up->flags)((up->flags) |= (1 << 2)); |
| 1392 | if (up->reg_state == PIM_REG_NOINFO) |
| 1393 | pim_register_join(up); |
| 1394 | pim_upstream_update_use_rpt(up, true1 /*update_mroute*/); |
| 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | /* |
| 1399 | * On an RP, the PMBR value must be cleared when the |
| 1400 | * Keepalive Timer expires |
| 1401 | * KAT expiry indicates that flow is inactive. If the flow was created or |
| 1402 | * maintained by activity now is the time to deref it. |
| 1403 | */ |
| 1404 | struct pim_upstream *pim_upstream_keep_alive_timer_proc( |
| 1405 | struct pim_upstream *up) |
| 1406 | { |
| 1407 | struct pim_instance *pim; |
| 1408 | |
| 1409 | pim = up->channel_oil->pim; |
| 1410 | |
| 1411 | if (PIM_UPSTREAM_FLAG_TEST_DISABLE_KAT_EXPIRY(up->flags)((up->flags) & (1 << 9))) { |
| 1412 | /* if the router is a PIM vxlan encapsulator we prevent expiry |
| 1413 | * of KAT as the mroute is pre-setup without any traffic |
| 1414 | */ |
| 1415 | pim_upstream_keep_alive_timer_start(up, pim->keep_alive_time); |
| 1416 | return up; |
| 1417 | } |
| 1418 | |
| 1419 | if (I_am_RP(pim, up->sg.grp)pim_rp_i_am_rp ((pim), (up->sg.grp))) { |
| 1420 | /* |
| 1421 | * Handle Border Router |
| 1422 | * We need to do more here :) |
| 1423 | * But this is the start. |
| 1424 | */ |
| 1425 | } |
| 1426 | |
| 1427 | /* source is no longer active - pull the SA from MSDP's cache */ |
| 1428 | pim_msdp_sa_local_del(pim, &up->sg); |
| 1429 | |
| 1430 | /* JoinDesired can change when KAT is started or stopped */ |
| 1431 | pim_upstream_update_join_desired(pim, up); |
| 1432 | |
| 1433 | /* if entry was created because of activity we need to deref it */ |
| 1434 | if (PIM_UPSTREAM_FLAG_TEST_SRC_STREAM(up->flags)((up->flags) & (1 << 5))) { |
| 1435 | pim_upstream_fhr_kat_expiry(pim, up); |
| 1436 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1437 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat expired on %s[%s]; remove stream reference" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1439, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat expired on %s[%s]; remove stream reference" ), .priority = (7), .ec = (0), .args = ("up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_134 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("kat expired on %s[%s]; remove stream reference" ), up->sg_str, pim->vrf->name); } while (0) |
| 1438 | "kat expired on %s[%s]; remove stream reference",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat expired on %s[%s]; remove stream reference" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1439, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat expired on %s[%s]; remove stream reference" ), .priority = (7), .ec = (0), .args = ("up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_134 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("kat expired on %s[%s]; remove stream reference" ), up->sg_str, pim->vrf->name); } while (0) |
| 1439 | up->sg_str, pim->vrf->name)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat expired on %s[%s]; remove stream reference" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1439, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat expired on %s[%s]; remove stream reference" ), .priority = (7), .ec = (0), .args = ("up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_134 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("kat expired on %s[%s]; remove stream reference" ), up->sg_str, pim->vrf->name); } while (0); |
| 1440 | PIM_UPSTREAM_FLAG_UNSET_SRC_STREAM(up->flags)((up->flags) &= ~(1 << 5)); |
| 1441 | |
| 1442 | /* Return if upstream entry got deleted.*/ |
| 1443 | if (!pim_upstream_del(pim, up, __func__)) |
| 1444 | return NULL((void*)0); |
| 1445 | } |
| 1446 | if (PIM_UPSTREAM_FLAG_TEST_SRC_NOCACHE(up->flags)((up->flags) &(1 << 19))) { |
| 1447 | PIM_UPSTREAM_FLAG_UNSET_SRC_NOCACHE(up->flags)((up->flags) &= ~(1 << 19)); |
| 1448 | |
| 1449 | if (!pim_upstream_del(pim, up, __func__)) |
| 1450 | return NULL((void*)0); |
| 1451 | } |
| 1452 | |
| 1453 | /* upstream reference would have been added to track the local |
| 1454 | * membership if it is LHR. We have to clear it when KAT expires. |
| 1455 | * Otherwise would result in stale entry with uncleared ref count. |
| 1456 | */ |
| 1457 | if (PIM_UPSTREAM_FLAG_TEST_SRC_LHR(up->flags)((up->flags) & (1 << 8))) { |
| 1458 | struct pim_upstream *parent = up->parent; |
| 1459 | |
| 1460 | PIM_UPSTREAM_FLAG_UNSET_SRC_LHR(up->flags)((up->flags) &= ~(1 << 8)); |
| 1461 | up = pim_upstream_del(pim, up, __func__); |
| 1462 | |
| 1463 | if (parent) { |
| 1464 | pim_jp_agg_single_upstream_send(&parent->rpf, parent, |
| 1465 | true1); |
| 1466 | } |
| 1467 | } |
| 1468 | |
| 1469 | return up; |
| 1470 | } |
| 1471 | static void pim_upstream_keep_alive_timer(struct event *t) |
| 1472 | { |
| 1473 | struct pim_upstream *up; |
| 1474 | |
| 1475 | up = EVENT_ARG(t)((t)->arg); |
| 1476 | |
| 1477 | /* pull the stats and re-check */ |
| 1478 | if (pim_upstream_sg_running_proc(up)) |
| 1479 | /* kat was restarted because of new activity */ |
| 1480 | return; |
| 1481 | |
| 1482 | pim_upstream_keep_alive_timer_proc(up); |
| 1483 | } |
| 1484 | |
| 1485 | void pim_upstream_keep_alive_timer_start(struct pim_upstream *up, uint32_t time) |
| 1486 | { |
| 1487 | if (!PIM_UPSTREAM_FLAG_TEST_SRC_STREAM(up->flags)((up->flags) & (1 << 5))) { |
| 1488 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1489 | zlog_debug("kat start on %s with no stream reference",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat start on %s with no stream reference" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1490, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat start on %s with no stream reference"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_135 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("kat start on %s with no stream reference" ), up->sg_str); } while (0) |
| 1490 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("kat start on %s with no stream reference" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1490, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("kat start on %s with no stream reference"), .priority = (7), .ec = (0), .args = ("up->sg_str"), }; static const struct xref * const xref_p_135 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("kat start on %s with no stream reference" ), up->sg_str); } while (0); |
| 1491 | } |
| 1492 | EVENT_OFF(up->t_ka_timer)do { if ((up->t_ka_timer)) event_cancel(&(up->t_ka_timer )); } while (0); |
| 1493 | event_add_timer(router->master, pim_upstream_keep_alive_timer, up, time,({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 1494, "pimd/pim_upstream.c" , __func__, }, .funcname = "pim_upstream_keep_alive_timer", . dest = "&up->t_ka_timer", .event_type = EVENT_TIMER, } ; static const struct xref * const xref_p_136 __attribute__(( used, section("xref_array"))) = &(_xref.xref); _event_add_timer (&_xref, router->master, pim_upstream_keep_alive_timer , up, time, &up->t_ka_timer); }) |
| 1494 | &up->t_ka_timer)({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 1494, "pimd/pim_upstream.c" , __func__, }, .funcname = "pim_upstream_keep_alive_timer", . dest = "&up->t_ka_timer", .event_type = EVENT_TIMER, } ; static const struct xref * const xref_p_136 __attribute__(( used, section("xref_array"))) = &(_xref.xref); _event_add_timer (&_xref, router->master, pim_upstream_keep_alive_timer , up, time, &up->t_ka_timer); }); |
| 1495 | |
| 1496 | /* any time keepalive is started against a SG we will have to |
| 1497 | * re-evaluate our active source database */ |
| 1498 | pim_msdp_sa_local_update(up); |
| 1499 | /* JoinDesired can change when KAT is started or stopped */ |
| 1500 | pim_upstream_update_join_desired(up->pim, up); |
| 1501 | } |
| 1502 | |
| 1503 | /* MSDP on RP needs to know if a source is registerable to this RP */ |
| 1504 | static void pim_upstream_msdp_reg_timer(struct event *t) |
| 1505 | { |
| 1506 | struct pim_upstream *up = EVENT_ARG(t)((t)->arg); |
| 1507 | struct pim_instance *pim = up->channel_oil->pim; |
| 1508 | |
| 1509 | /* source is no longer active - pull the SA from MSDP's cache */ |
| 1510 | pim_msdp_sa_local_del(pim, &up->sg); |
| 1511 | } |
| 1512 | |
| 1513 | void pim_upstream_msdp_reg_timer_start(struct pim_upstream *up) |
| 1514 | { |
| 1515 | EVENT_OFF(up->t_msdp_reg_timer)do { if ((up->t_msdp_reg_timer)) event_cancel(&(up-> t_msdp_reg_timer)); } while (0); |
| 1516 | event_add_timer(router->master, pim_upstream_msdp_reg_timer, up,({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 1517, "pimd/pim_upstream.c" , __func__, }, .funcname = "pim_upstream_msdp_reg_timer", .dest = "&up->t_msdp_reg_timer", .event_type = EVENT_TIMER, }; static const struct xref * const xref_p_137 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); _event_add_timer (&_xref, router->master, pim_upstream_msdp_reg_timer, up , (3 * (1.5 * router->register_suppress_time)), &up-> t_msdp_reg_timer); }) |
| 1517 | PIM_MSDP_REG_RXED_PERIOD, &up->t_msdp_reg_timer)({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 1517, "pimd/pim_upstream.c" , __func__, }, .funcname = "pim_upstream_msdp_reg_timer", .dest = "&up->t_msdp_reg_timer", .event_type = EVENT_TIMER, }; static const struct xref * const xref_p_137 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); _event_add_timer (&_xref, router->master, pim_upstream_msdp_reg_timer, up , (3 * (1.5 * router->register_suppress_time)), &up-> t_msdp_reg_timer); }); |
| 1518 | |
| 1519 | pim_msdp_sa_local_update(up); |
| 1520 | } |
| 1521 | |
| 1522 | /* |
| 1523 | * 4.2.1 Last-Hop Switchover to the SPT |
| 1524 | * |
| 1525 | * In Sparse-Mode PIM, last-hop routers join the shared tree towards the |
| 1526 | * RP. Once traffic from sources to joined groups arrives at a last-hop |
| 1527 | * router, it has the option of switching to receive the traffic on a |
| 1528 | * shortest path tree (SPT). |
| 1529 | * |
| 1530 | * The decision for a router to switch to the SPT is controlled as |
| 1531 | * follows: |
| 1532 | * |
| 1533 | * void |
| 1534 | * CheckSwitchToSpt(S,G) { |
| 1535 | * if ( ( pim_include(*,G) (-) pim_exclude(S,G) |
| 1536 | * (+) pim_include(S,G) != NULL ) |
| 1537 | * AND SwitchToSptDesired(S,G) ) { |
| 1538 | * # Note: Restarting the KAT will result in the SPT switch |
| 1539 | * set KeepaliveTimer(S,G) to Keepalive_Period |
| 1540 | * } |
| 1541 | * } |
| 1542 | * |
| 1543 | * SwitchToSptDesired(S,G) is a policy function that is implementation |
| 1544 | * defined. An "infinite threshold" policy can be implemented by making |
| 1545 | * SwitchToSptDesired(S,G) return false all the time. A "switch on |
| 1546 | * first packet" policy can be implemented by making |
| 1547 | * SwitchToSptDesired(S,G) return true once a single packet has been |
| 1548 | * received for the source and group. |
| 1549 | */ |
| 1550 | int pim_upstream_switch_to_spt_desired_on_rp(struct pim_instance *pim, |
| 1551 | pim_sgaddr *sg) |
| 1552 | { |
| 1553 | if (I_am_RP(pim, sg->grp)pim_rp_i_am_rp ((pim), (sg->grp))) |
| 1554 | return 1; |
| 1555 | |
| 1556 | return 0; |
| 1557 | } |
| 1558 | |
| 1559 | int pim_upstream_is_sg_rpt(struct pim_upstream *up) |
| 1560 | { |
| 1561 | struct listnode *chnode; |
| 1562 | struct pim_ifchannel *ch; |
| 1563 | |
| 1564 | for (ALL_LIST_ELEMENTS_RO(up->ifchannels, chnode, ch)(chnode) = ((up->ifchannels) ? ((up->ifchannels)->head ) : ((void*)0)), ((ch) = ((void*)0)); (chnode) != ((void*)0) && ((ch) = ((({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1564, "pimd/pim_upstream.c" , __func__, }, .expr = "chnode", }; static const struct xref * const xref_p_138 __attribute__((used, section("xref_array")) ) = &(_xref.xref); if (__builtin_expect((chnode) ? 0 : 1, 0)) do { _zlog_assert_failed(&_xref, ((void*)0)); } while (chnode); }), ({ static const struct xref_assert _xref __attribute__ ( (used)) = { .xref = { (((void*)0)), (XREFT_ASSERT), 1564, "pimd/pim_upstream.c" , __func__, }, .expr = "(chnode)->data != NULL", }; static const struct xref * const xref_p_139 __attribute__((used, section ("xref_array"))) = &(_xref.xref); if (__builtin_expect((( chnode)->data != ((void*)0)) ? 0 : 1, 0)) do { _zlog_assert_failed (&_xref, ((void*)0)); } while ((chnode)->data != ((void *)0)); }), (chnode)->data)), 1); (chnode) = ((chnode) ? (( chnode)->next) : ((void*)0)), ((ch) = ((void*)0))) { |
| 1565 | if (PIM_IF_FLAG_TEST_S_G_RPT(ch->flags)((ch->flags) & (1 << 2))) |
| 1566 | return 1; |
| 1567 | } |
| 1568 | |
| 1569 | return 0; |
| 1570 | } |
| 1571 | /* |
| 1572 | * After receiving a packet set SPTbit: |
| 1573 | * void |
| 1574 | * Update_SPTbit(S,G,iif) { |
| 1575 | * if ( iif == RPF_interface(S) |
| 1576 | * AND JoinDesired(S,G) == true |
| 1577 | * AND ( DirectlyConnected(S) == true |
| 1578 | * OR RPF_interface(S) != RPF_interface(RP(G)) |
| 1579 | * OR inherited_olist(S,G,rpt) == NULL |
| 1580 | * OR ( ( RPF'(S,G) == RPF'(*,G) ) AND |
| 1581 | * ( RPF'(S,G) != NULL ) ) |
| 1582 | * OR ( I_Am_Assert_Loser(S,G,iif) ) { |
| 1583 | * Set SPTbit(S,G) to true |
| 1584 | * } |
| 1585 | * } |
| 1586 | */ |
| 1587 | void pim_upstream_set_sptbit(struct pim_upstream *up, |
| 1588 | struct interface *incoming) |
| 1589 | { |
| 1590 | struct pim_upstream *starup = up->parent; |
| 1591 | |
| 1592 | // iif == RPF_interfvace(S) |
| 1593 | if (up->rpf.source_nexthop.interface != incoming) { |
| 1594 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1595 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1598, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .priority = (7), .ec = (0), .args = ("__func__, incoming->name, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_140 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), __func__, incoming->name, up->rpf.source_nexthop.interface ->name); } while (0) |
| 1596 | "%s: Incoming Interface: %s is different than RPF_interface(S) %s",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1598, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .priority = (7), .ec = (0), .args = ("__func__, incoming->name, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_140 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), __func__, incoming->name, up->rpf.source_nexthop.interface ->name); } while (0) |
| 1597 | __func__, incoming->name,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1598, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .priority = (7), .ec = (0), .args = ("__func__, incoming->name, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_140 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), __func__, incoming->name, up->rpf.source_nexthop.interface ->name); } while (0) |
| 1598 | up->rpf.source_nexthop.interface->name)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1598, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), .priority = (7), .ec = (0), .args = ("__func__, incoming->name, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_140 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Incoming Interface: %s is different than RPF_interface(S) %s" ), __func__, incoming->name, up->rpf.source_nexthop.interface ->name); } while (0); |
| 1599 | return; |
| 1600 | } |
| 1601 | |
| 1602 | // AND JoinDesired(S,G) == true |
| 1603 | if (!pim_upstream_evaluate_join_desired(up->channel_oil->pim, up)) { |
| 1604 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1605 | zlog_debug("%s: %s Join is not Desired", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s Join is not Desired" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1606, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s Join is not Desired"), .priority = (7), . ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_141 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: %s Join is not Desired" ), __func__, up->sg_str); } while (0) |
| 1606 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s Join is not Desired" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1606, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s Join is not Desired"), .priority = (7), . ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_141 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: %s Join is not Desired" ), __func__, up->sg_str); } while (0); |
| 1607 | return; |
| 1608 | } |
| 1609 | |
| 1610 | // DirectlyConnected(S) == true |
| 1611 | if (pim_if_connected_to_source(up->rpf.source_nexthop.interface, |
| 1612 | up->sg.src)) { |
| 1613 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1614 | zlog_debug("%s: %s is directly connected to the source",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s is directly connected to the source" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1615, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s is directly connected to the source"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_142 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s is directly connected to the source"), __func__ , up->sg_str); } while (0) |
| 1615 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s is directly connected to the source" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1615, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s is directly connected to the source"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_142 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s is directly connected to the source"), __func__ , up->sg_str); } while (0); |
| 1616 | up->sptbit = PIM_UPSTREAM_SPTBIT_TRUE; |
| 1617 | return; |
| 1618 | } |
| 1619 | |
| 1620 | // OR RPF_interface(S) != RPF_interface(RP(G)) |
| 1621 | if (!starup |
| 1622 | || up->rpf.source_nexthop |
| 1623 | .interface != starup->rpf.source_nexthop.interface) { |
| 1624 | struct pim_upstream *starup = up->parent; |
| 1625 | |
| 1626 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1627 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1629, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_143 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), __func__, up->sg_str); } while (0) |
| 1628 | "%s: %s RPF_interface(S) != RPF_interface(RP(G))",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1629, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_143 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), __func__, up->sg_str); } while (0) |
| 1629 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1629, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_143 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s RPF_interface(S) != RPF_interface(RP(G))" ), __func__, up->sg_str); } while (0); |
| 1630 | up->sptbit = PIM_UPSTREAM_SPTBIT_TRUE; |
| 1631 | |
| 1632 | pim_jp_agg_single_upstream_send(&starup->rpf, starup, true1); |
| 1633 | return; |
| 1634 | } |
| 1635 | |
| 1636 | // OR inherited_olist(S,G,rpt) == NULL |
| 1637 | if (pim_upstream_is_sg_rpt(up) |
| 1638 | && pim_upstream_empty_inherited_olist(up)) { |
| 1639 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1640 | zlog_debug("%s: %s OR inherited_olist(S,G,rpt) == NULL",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s OR inherited_olist(S,G,rpt) == NULL" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1641, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s OR inherited_olist(S,G,rpt) == NULL"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_144 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s OR inherited_olist(S,G,rpt) == NULL"), __func__ , up->sg_str); } while (0) |
| 1641 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s OR inherited_olist(S,G,rpt) == NULL" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1641, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s OR inherited_olist(S,G,rpt) == NULL"), . priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_144 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s OR inherited_olist(S,G,rpt) == NULL"), __func__ , up->sg_str); } while (0); |
| 1642 | up->sptbit = PIM_UPSTREAM_SPTBIT_TRUE; |
| 1643 | return; |
| 1644 | } |
| 1645 | |
| 1646 | // OR ( ( RPF'(S,G) == RPF'(*,G) ) AND |
| 1647 | // ( RPF'(S,G) != NULL ) ) |
| 1648 | if (up->parent && pim_rpf_is_same(&up->rpf, &up->parent->rpf)) { |
| 1649 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1650 | zlog_debug("%s: %s RPF'(S,G) is the same as RPF'(*,G)",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s RPF'(S,G) is the same as RPF'(*,G)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1651, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s RPF'(S,G) is the same as RPF'(*,G)"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_145 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: %s RPF'(S,G) is the same as RPF'(*,G)" ), __func__, up->sg_str); } while (0) |
| 1651 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s RPF'(S,G) is the same as RPF'(*,G)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1651, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s RPF'(S,G) is the same as RPF'(*,G)"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_145 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: %s RPF'(S,G) is the same as RPF'(*,G)" ), __func__, up->sg_str); } while (0); |
| 1652 | up->sptbit = PIM_UPSTREAM_SPTBIT_TRUE; |
| 1653 | return; |
| 1654 | } |
| 1655 | |
| 1656 | return; |
| 1657 | } |
| 1658 | |
| 1659 | const char *pim_upstream_state2str(enum pim_upstream_state join_state) |
| 1660 | { |
| 1661 | switch (join_state) { |
| 1662 | case PIM_UPSTREAM_NOTJOINED: |
| 1663 | return "NotJoined"; |
| 1664 | case PIM_UPSTREAM_JOINED: |
| 1665 | return "Joined"; |
| 1666 | } |
| 1667 | return "Unknown"; |
| 1668 | } |
| 1669 | |
| 1670 | const char *pim_reg_state2str(enum pim_reg_state reg_state, char *state_str, |
| 1671 | size_t state_str_len) |
| 1672 | { |
| 1673 | switch (reg_state) { |
| 1674 | case PIM_REG_NOINFO: |
| 1675 | strlcpy(state_str, "RegNoInfo", state_str_len); |
| 1676 | break; |
| 1677 | case PIM_REG_JOIN: |
| 1678 | strlcpy(state_str, "RegJoined", state_str_len); |
| 1679 | break; |
| 1680 | case PIM_REG_JOIN_PENDING: |
| 1681 | strlcpy(state_str, "RegJoinPend", state_str_len); |
| 1682 | break; |
| 1683 | case PIM_REG_PRUNE: |
| 1684 | strlcpy(state_str, "RegPrune", state_str_len); |
| 1685 | break; |
| 1686 | } |
| 1687 | return state_str; |
| 1688 | } |
| 1689 | |
| 1690 | static void pim_upstream_register_stop_timer(struct event *t) |
| 1691 | { |
| 1692 | struct pim_interface *pim_ifp; |
| 1693 | struct pim_instance *pim; |
| 1694 | struct pim_upstream *up; |
| 1695 | up = EVENT_ARG(t)((t)->arg); |
| 1696 | pim = up->channel_oil->pim; |
| 1697 | |
| 1698 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 1699 | char state_str[PIM_REG_STATE_STR_LEN12]; |
| 1700 | zlog_debug("%s: (S,G)=%s[%s] upstream register stop timer %s",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1703, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, pim_reg_state2str(up->reg_state, state_str, sizeof(state_str))" ), }; static const struct xref * const xref_p_146 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), __func__, up->sg_str, pim->vrf->name, pim_reg_state2str (up->reg_state, state_str, sizeof(state_str))); } while (0 ) |
| 1701 | __func__, up->sg_str, pim->vrf->name,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1703, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, pim_reg_state2str(up->reg_state, state_str, sizeof(state_str))" ), }; static const struct xref * const xref_p_146 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), __func__, up->sg_str, pim->vrf->name, pim_reg_state2str (up->reg_state, state_str, sizeof(state_str))); } while (0 ) |
| 1702 | pim_reg_state2str(up->reg_state, state_str,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1703, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, pim_reg_state2str(up->reg_state, state_str, sizeof(state_str))" ), }; static const struct xref * const xref_p_146 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), __func__, up->sg_str, pim->vrf->name, pim_reg_state2str (up->reg_state, state_str, sizeof(state_str))); } while (0 ) |
| 1703 | sizeof(state_str)))do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1703, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, pim_reg_state2str(up->reg_state, state_str, sizeof(state_str))" ), }; static const struct xref * const xref_p_146 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: (S,G)=%s[%s] upstream register stop timer %s" ), __func__, up->sg_str, pim->vrf->name, pim_reg_state2str (up->reg_state, state_str, sizeof(state_str))); } while (0 ); |
| 1704 | } |
| 1705 | |
| 1706 | switch (up->reg_state) { |
| 1707 | case PIM_REG_JOIN_PENDING: |
| 1708 | up->reg_state = PIM_REG_JOIN; |
| 1709 | pim_channel_add_oif(up->channel_oil, pim->regiface, |
| 1710 | PIM_OIF_FLAG_PROTO_PIM(1 << 1), |
| 1711 | __func__); |
| 1712 | pim_vxlan_update_sg_reg_state(pim, up, true1 /*reg_join*/); |
| 1713 | break; |
| 1714 | case PIM_REG_JOIN: |
| 1715 | break; |
| 1716 | case PIM_REG_PRUNE: |
| 1717 | /* This is equalent to Couldreg -> False */ |
| 1718 | if (!up->rpf.source_nexthop.interface) { |
| 1719 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1720 | zlog_debug("%s: up %s RPF is not present",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1721, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_147 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0) |
| 1721 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1721, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_147 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0); |
| 1722 | up->reg_state = PIM_REG_NOINFO; |
| 1723 | PIM_UPSTREAM_FLAG_UNSET_FHR(up->flags)((up->flags) &= ~(1 << 2)); |
| 1724 | return; |
| 1725 | } |
| 1726 | |
| 1727 | pim_ifp = up->rpf.source_nexthop.interface->info; |
| 1728 | if (!pim_ifp) { |
| 1729 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1730 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Interface: %s is not configured for pim" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1733, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Interface: %s is not configured for pim"), . priority = (7), .ec = (0), .args = ("__func__, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_148 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Interface: %s is not configured for pim"), __func__, up->rpf.source_nexthop.interface->name); } while (0) |
| 1731 | "%s: Interface: %s is not configured for pim",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Interface: %s is not configured for pim" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1733, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Interface: %s is not configured for pim"), . priority = (7), .ec = (0), .args = ("__func__, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_148 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Interface: %s is not configured for pim"), __func__, up->rpf.source_nexthop.interface->name); } while (0) |
| 1732 | __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Interface: %s is not configured for pim" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1733, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Interface: %s is not configured for pim"), . priority = (7), .ec = (0), .args = ("__func__, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_148 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Interface: %s is not configured for pim"), __func__, up->rpf.source_nexthop.interface->name); } while (0) |
| 1733 | up->rpf.source_nexthop.interface->name)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Interface: %s is not configured for pim" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1733, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Interface: %s is not configured for pim"), . priority = (7), .ec = (0), .args = ("__func__, up->rpf.source_nexthop.interface->name" ), }; static const struct xref * const xref_p_148 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Interface: %s is not configured for pim"), __func__, up->rpf.source_nexthop.interface->name); } while (0); |
| 1734 | return; |
| 1735 | } |
| 1736 | up->reg_state = PIM_REG_JOIN_PENDING; |
| 1737 | pim_upstream_start_register_stop_timer(up, 1); |
| 1738 | |
| 1739 | if (((up->channel_oil->cc.lastused / 100) |
| 1740 | > pim->keep_alive_time) |
| 1741 | && (I_am_RP(pim_ifp->pim, up->sg.grp)pim_rp_i_am_rp ((pim_ifp->pim), (up->sg.grp)))) { |
| 1742 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1743 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1745, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), .priority = (7), .ec = (0), .args = ("__func__"), }; static const struct xref * const xref_p_149 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), __func__); } while (0) |
| 1744 | "%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1745, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), .priority = (7), .ec = (0), .args = ("__func__"), }; static const struct xref * const xref_p_149 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), __func__); } while (0) |
| 1745 | __func__)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1745, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), .priority = (7), .ec = (0), .args = ("__func__"), }; static const struct xref * const xref_p_149 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: Stop sending the register, because I am the RP and we haven't seen a packet in a while" ), __func__); } while (0); |
| 1746 | return; |
| 1747 | } |
| 1748 | pim_null_register_send(up); |
| 1749 | break; |
| 1750 | case PIM_REG_NOINFO: |
| 1751 | break; |
| 1752 | } |
| 1753 | } |
| 1754 | |
| 1755 | void pim_upstream_start_register_stop_timer(struct pim_upstream *up, |
| 1756 | int null_register) |
| 1757 | { |
| 1758 | uint32_t time; |
| 1759 | |
| 1760 | EVENT_OFF(up->t_rs_timer)do { if ((up->t_rs_timer)) event_cancel(&(up->t_rs_timer )); } while (0); |
| 1761 | |
| 1762 | if (!null_register) { |
| 1763 | uint32_t lower = (0.5 * router->register_suppress_time); |
| 1764 | uint32_t upper = (1.5 * router->register_suppress_time); |
| 1765 | time = lower + (frr_weak_random() % (upper - lower + 1)); |
| 1766 | /* Make sure we don't wrap around */ |
| 1767 | if (time >= router->register_probe_time) |
| 1768 | time -= router->register_probe_time; |
| 1769 | else |
| 1770 | time = 0; |
| 1771 | } else |
| 1772 | time = router->register_probe_time; |
| 1773 | |
| 1774 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 1775 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: (S,G)=%s Starting upstream register stop timer %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1777, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: (S,G)=%s Starting upstream register stop timer %d" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, time" ), }; static const struct xref * const xref_p_150 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: (S,G)=%s Starting upstream register stop timer %d" ), __func__, up->sg_str, time); } while (0) |
| 1776 | "%s: (S,G)=%s Starting upstream register stop timer %d",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: (S,G)=%s Starting upstream register stop timer %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1777, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: (S,G)=%s Starting upstream register stop timer %d" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, time" ), }; static const struct xref * const xref_p_150 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: (S,G)=%s Starting upstream register stop timer %d" ), __func__, up->sg_str, time); } while (0) |
| 1777 | __func__, up->sg_str, time)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: (S,G)=%s Starting upstream register stop timer %d" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1777, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: (S,G)=%s Starting upstream register stop timer %d" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, time" ), }; static const struct xref * const xref_p_150 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: (S,G)=%s Starting upstream register stop timer %d" ), __func__, up->sg_str, time); } while (0); |
| 1778 | } |
| 1779 | event_add_timer(router->master, pim_upstream_register_stop_timer, up,({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 1780, "pimd/pim_upstream.c" , __func__, }, .funcname = "pim_upstream_register_stop_timer" , .dest = "&up->t_rs_timer", .event_type = EVENT_TIMER , }; static const struct xref * const xref_p_151 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); _event_add_timer (&_xref, router->master, pim_upstream_register_stop_timer , up, time, &up->t_rs_timer); }) |
| 1780 | time, &up->t_rs_timer)({ static const struct xref_eventsched _xref __attribute__( ( used)) = { .xref = { (((void*)0)), (XREFT_EVENTSCHED), 1780, "pimd/pim_upstream.c" , __func__, }, .funcname = "pim_upstream_register_stop_timer" , .dest = "&up->t_rs_timer", .event_type = EVENT_TIMER , }; static const struct xref * const xref_p_151 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); _event_add_timer (&_xref, router->master, pim_upstream_register_stop_timer , up, time, &up->t_rs_timer); }); |
| 1781 | } |
| 1782 | |
| 1783 | int pim_upstream_inherited_olist_decide(struct pim_instance *pim, |
| 1784 | struct pim_upstream *up) |
| 1785 | { |
| 1786 | struct interface *ifp; |
| 1787 | struct pim_ifchannel *ch, *starch; |
| 1788 | struct pim_upstream *starup = up->parent; |
| 1789 | int output_intf = 0; |
| 1790 | |
| 1791 | if (!up->rpf.source_nexthop.interface) |
| 1792 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1793 | zlog_debug("%s: up %s RPF is not present", __func__,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1794, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_152 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0) |
| 1794 | up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: up %s RPF is not present" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1794, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: up %s RPF is not present"), .priority = (7) , .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_152 __attribute__((used, section( "xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: up %s RPF is not present" ), __func__, up->sg_str); } while (0); |
| 1795 | |
| 1796 | FOR_ALL_INTERFACES (pim->vrf, ifp)if (pim->vrf) for ((ifp) = if_name_head_RB_MIN((&pim-> vrf->ifaces_by_name)); (ifp) != ((void*)0); (ifp) = if_name_head_RB_NEXT ((ifp))) { |
| 1797 | struct pim_interface *pim_ifp; |
| 1798 | if (!ifp->info) |
| 1799 | continue; |
| 1800 | |
| 1801 | ch = pim_ifchannel_find(ifp, &up->sg); |
| 1802 | |
| 1803 | if (starup) |
| 1804 | starch = pim_ifchannel_find(ifp, &starup->sg); |
| 1805 | else |
| 1806 | starch = NULL((void*)0); |
| 1807 | |
| 1808 | if (!ch && !starch) |
| 1809 | continue; |
| 1810 | |
| 1811 | pim_ifp = ifp->info; |
| 1812 | if (PIM_I_am_DualActive(pim_ifp)(pim_ifp)->activeactive == 1 |
| 1813 | && PIM_UPSTREAM_FLAG_TEST_MLAG_INTERFACE(up->flags)((up->flags)&(1 << 21)) |
| 1814 | && (PIM_UPSTREAM_FLAG_TEST_MLAG_NON_DF(up->flags)((up->flags) & (1 << 17)) |
| 1815 | || !PIM_UPSTREAM_FLAG_TEST_MLAG_PEER(up->flags)((up->flags) & (1 << 18)))) |
| 1816 | continue; |
| 1817 | if (pim_upstream_evaluate_join_desired_interface(up, ch, |
| 1818 | starch)) { |
| 1819 | int flag = 0; |
| 1820 | |
| 1821 | if (!ch) |
| 1822 | flag = PIM_OIF_FLAG_PROTO_STAR(1 << 2); |
| 1823 | else { |
| 1824 | if (PIM_IF_FLAG_TEST_PROTO_IGMP(ch->flags)((ch->flags)&(1 << 4))) |
| 1825 | flag = PIM_OIF_FLAG_PROTO_GM(1 << 0); |
| 1826 | if (PIM_IF_FLAG_TEST_PROTO_PIM(ch->flags)((ch->flags)&(1 << 3))) |
| 1827 | flag |= PIM_OIF_FLAG_PROTO_PIM(1 << 1); |
| 1828 | if (starch) |
| 1829 | flag |= PIM_OIF_FLAG_PROTO_STAR(1 << 2); |
| 1830 | } |
| 1831 | |
| 1832 | pim_channel_add_oif(up->channel_oil, ifp, flag, |
| 1833 | __func__); |
| 1834 | output_intf++; |
| 1835 | } |
| 1836 | } |
| 1837 | |
| 1838 | return output_intf; |
| 1839 | } |
| 1840 | |
| 1841 | /* |
| 1842 | * For a given upstream, determine the inherited_olist |
| 1843 | * and apply it. |
| 1844 | * |
| 1845 | * inherited_olist(S,G,rpt) = |
| 1846 | * ( joins(*,*,RP(G)) (+) joins(*,G) (-) prunes(S,G,rpt) ) |
| 1847 | * (+) ( pim_include(*,G) (-) pim_exclude(S,G)) |
| 1848 | * (-) ( lost_assert(*,G) (+) lost_assert(S,G,rpt) ) |
| 1849 | * |
| 1850 | * inherited_olist(S,G) = |
| 1851 | * inherited_olist(S,G,rpt) (+) |
| 1852 | * joins(S,G) (+) pim_include(S,G) (-) lost_assert(S,G) |
| 1853 | * |
| 1854 | * return 1 if there are any output interfaces |
| 1855 | * return 0 if there are not any output interfaces |
| 1856 | */ |
| 1857 | int pim_upstream_inherited_olist(struct pim_instance *pim, |
| 1858 | struct pim_upstream *up) |
| 1859 | { |
| 1860 | int output_intf = pim_upstream_inherited_olist_decide(pim, up); |
| 1861 | |
| 1862 | /* |
| 1863 | * If we have output_intf switch state to Join and work like normal |
| 1864 | * If we don't have an output_intf that means we are probably a |
| 1865 | * switch on a stick so turn on forwarding to just accept the |
| 1866 | * incoming packets so we don't bother the other stuff! |
| 1867 | */ |
| 1868 | pim_upstream_update_join_desired(pim, up); |
| 1869 | |
| 1870 | if (!output_intf) |
| 1871 | forward_on(up); |
| 1872 | |
| 1873 | return output_intf; |
| 1874 | } |
| 1875 | |
| 1876 | int pim_upstream_empty_inherited_olist(struct pim_upstream *up) |
| 1877 | { |
| 1878 | return pim_channel_oil_empty(up->channel_oil); |
| 1879 | } |
| 1880 | |
| 1881 | /* |
| 1882 | * When we have a new neighbor, |
| 1883 | * find upstreams that don't have their rpf_addr |
| 1884 | * set and see if the new neighbor allows |
| 1885 | * the join to be sent |
| 1886 | */ |
| 1887 | void pim_upstream_find_new_rpf(struct pim_instance *pim) |
| 1888 | { |
| 1889 | struct pim_upstream *up; |
| 1890 | struct pim_rpf old; |
| 1891 | enum pim_rpf_result rpf_result; |
| 1892 | |
| 1893 | /* |
| 1894 | * Scan all (S,G) upstreams searching for RPF'(S,G)=neigh_addr |
| 1895 | */ |
| 1896 | frr_each (rb_pim_upstream, &pim->upstream_head, up)for (up = rb_pim_upstream_first(&pim->upstream_head); up ; up = rb_pim_upstream_next(&pim->upstream_head, up)) { |
| 1897 | if (pim_addr_is_any(up->upstream_addr)) { |
| 1898 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1899 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RP not configured for Upstream %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1901, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RP not configured for Upstream %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_153 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: RP not configured for Upstream %s" ), __func__, up->sg_str); } while (0) |
| 1900 | "%s: RP not configured for Upstream %s",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RP not configured for Upstream %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1901, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RP not configured for Upstream %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_153 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: RP not configured for Upstream %s" ), __func__, up->sg_str); } while (0) |
| 1901 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: RP not configured for Upstream %s" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1901, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: RP not configured for Upstream %s"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str"), }; static const struct xref * const xref_p_153 __attribute__((used, section ("xref_array"))) = &(_xref.xref); zlog_ref(&_xref, ("%s: RP not configured for Upstream %s" ), __func__, up->sg_str); } while (0); |
| 1902 | continue; |
| 1903 | } |
| 1904 | |
| 1905 | if (pim_rpf_addr_is_inaddr_any(&up->rpf)) { |
| 1906 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 1907 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Upstream %s without a path to send join, checking" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1909, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Upstream %s without a path to send join, checking" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_154 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Upstream %s without a path to send join, checking" ), __func__, up->sg_str); } while (0) |
| 1908 | "%s: Upstream %s without a path to send join, checking",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Upstream %s without a path to send join, checking" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1909, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Upstream %s without a path to send join, checking" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_154 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Upstream %s without a path to send join, checking" ), __func__, up->sg_str); } while (0) |
| 1909 | __func__, up->sg_str)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Upstream %s without a path to send join, checking" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 1909, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Upstream %s without a path to send join, checking" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str" ), }; static const struct xref * const xref_p_154 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Upstream %s without a path to send join, checking" ), __func__, up->sg_str); } while (0); |
| 1910 | old.source_nexthop.interface = |
| 1911 | up->rpf.source_nexthop.interface; |
| 1912 | rpf_result = pim_rpf_update(pim, up, &old, __func__); |
| 1913 | if (rpf_result == PIM_RPF_CHANGED || |
| 1914 | (rpf_result == PIM_RPF_FAILURE && |
| 1915 | old.source_nexthop.interface)) |
| 1916 | pim_zebra_upstream_rpf_changed(pim, up, &old); |
| 1917 | /* update kernel multicast forwarding cache (MFC) */ |
| 1918 | pim_upstream_mroute_iif_update(up->channel_oil, |
| 1919 | __func__); |
| 1920 | } |
| 1921 | } |
| 1922 | pim_zebra_update_all_interfaces(pim); |
| 1923 | } |
| 1924 | |
| 1925 | unsigned int pim_upstream_hash_key(const void *arg) |
| 1926 | { |
| 1927 | const struct pim_upstream *up = arg; |
| 1928 | |
| 1929 | return pim_sgaddr_hash(up->sg, 0); |
| 1930 | } |
| 1931 | |
| 1932 | void pim_upstream_terminate(struct pim_instance *pim) |
| 1933 | { |
| 1934 | struct pim_upstream *up; |
| 1935 | |
| 1936 | while ((up = rb_pim_upstream_first(&pim->upstream_head))) { |
| 1937 | if (pim_upstream_del(pim, up, __func__)) |
| 1938 | pim_upstream_timers_stop(up); |
| 1939 | } |
| 1940 | |
| 1941 | rb_pim_upstream_fini(&pim->upstream_head); |
| 1942 | |
| 1943 | if (pim->upstream_sg_wheel) |
| 1944 | wheel_delete(pim->upstream_sg_wheel); |
| 1945 | pim->upstream_sg_wheel = NULL((void*)0); |
| 1946 | } |
| 1947 | |
| 1948 | bool_Bool pim_upstream_equal(const void *arg1, const void *arg2) |
| 1949 | { |
| 1950 | const struct pim_upstream *up1 = (const struct pim_upstream *)arg1; |
| 1951 | const struct pim_upstream *up2 = (const struct pim_upstream *)arg2; |
| 1952 | |
| 1953 | return !pim_sgaddr_cmp(up1->sg, up2->sg); |
| 1954 | } |
| 1955 | |
| 1956 | /* rfc4601:section-4.2:"Data Packet Forwarding Rules" defines |
| 1957 | * the cases where kat has to be restarted on rxing traffic - |
| 1958 | * |
| 1959 | * if( DirectlyConnected(S) == true AND iif == RPF_interface(S) ) { |
| 1960 | * set KeepaliveTimer(S,G) to Keepalive_Period |
| 1961 | * # Note: a register state transition or UpstreamJPState(S,G) |
| 1962 | * # transition may happen as a result of restarting |
| 1963 | * # KeepaliveTimer, and must be dealt with here. |
| 1964 | * } |
| 1965 | * if( iif == RPF_interface(S) AND UpstreamJPState(S,G) == Joined AND |
| 1966 | * inherited_olist(S,G) != NULL ) { |
| 1967 | * set KeepaliveTimer(S,G) to Keepalive_Period |
| 1968 | * } |
| 1969 | */ |
| 1970 | static bool_Bool pim_upstream_kat_start_ok(struct pim_upstream *up) |
| 1971 | { |
| 1972 | struct channel_oil *c_oil = up->channel_oil; |
| 1973 | struct interface *ifp = up->rpf.source_nexthop.interface; |
| 1974 | struct pim_interface *pim_ifp; |
| 1975 | struct pim_instance *pim = up->channel_oil->pim; |
| 1976 | |
| 1977 | /* "iif == RPF_interface(S)" check is not easy to do as the info |
| 1978 | * we get from the kernel/ASIC is really a "lookup/key hit". |
| 1979 | * So we will do an approximate check here to avoid starting KAT |
| 1980 | * because of (S,G,rpt) forwarding on a non-LHR. |
| 1981 | */ |
| 1982 | if (!ifp) |
| 1983 | return false0; |
| 1984 | |
| 1985 | pim_ifp = ifp->info; |
| 1986 | if (pim_ifp->mroute_vif_index != *oil_incoming_vif(c_oil)) |
| 1987 | return false0; |
| 1988 | |
| 1989 | if (pim_if_connected_to_source(up->rpf.source_nexthop.interface, |
| 1990 | up->sg.src)) { |
| 1991 | return true1; |
| 1992 | } |
| 1993 | |
| 1994 | if ((up->join_state == PIM_UPSTREAM_JOINED) |
| 1995 | && !pim_upstream_empty_inherited_olist(up)) { |
| 1996 | if (I_am_RP(pim, up->sg.grp)pim_rp_i_am_rp ((pim), (up->sg.grp))) |
| 1997 | return true1; |
| 1998 | } |
| 1999 | |
| 2000 | return false0; |
| 2001 | } |
| 2002 | |
| 2003 | static bool_Bool pim_upstream_sg_running_proc(struct pim_upstream *up) |
| 2004 | { |
| 2005 | bool_Bool rv = false0; |
| 2006 | struct pim_instance *pim = up->pim; |
| 2007 | |
| 2008 | if (!up->channel_oil->installed) |
| 2009 | return rv; |
| 2010 | |
| 2011 | pim_mroute_update_counters(up->channel_oil); |
| 2012 | |
| 2013 | // Have we seen packets? |
| 2014 | if ((up->channel_oil->cc.oldpktcnt >= up->channel_oil->cc.pktcnt) |
| 2015 | && (up->channel_oil->cc.lastused / 100 > 30)) { |
| 2016 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) { |
| 2017 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2022, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, up->channel_oil->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil->cc.lastused / 100" ), }; static const struct xref * const xref_p_155 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), __func__, up->sg_str, pim->vrf->name, up->channel_oil ->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil ->cc.lastused / 100); } while (0) |
| 2018 | "%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2022, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, up->channel_oil->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil->cc.lastused / 100" ), }; static const struct xref * const xref_p_155 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), __func__, up->sg_str, pim->vrf->name, up->channel_oil ->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil ->cc.lastused / 100); } while (0) |
| 2019 | __func__, up->sg_str, pim->vrf->name,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2022, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, up->channel_oil->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil->cc.lastused / 100" ), }; static const struct xref * const xref_p_155 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), __func__, up->sg_str, pim->vrf->name, up->channel_oil ->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil ->cc.lastused / 100); } while (0) |
| 2020 | up->channel_oil->cc.oldpktcnt,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2022, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, up->channel_oil->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil->cc.lastused / 100" ), }; static const struct xref * const xref_p_155 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), __func__, up->sg_str, pim->vrf->name, up->channel_oil ->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil ->cc.lastused / 100); } while (0) |
| 2021 | up->channel_oil->cc.pktcnt,do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2022, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, up->channel_oil->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil->cc.lastused / 100" ), }; static const struct xref * const xref_p_155 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), __func__, up->sg_str, pim->vrf->name, up->channel_oil ->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil ->cc.lastused / 100); } while (0) |
| 2022 | up->channel_oil->cc.lastused / 100)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2022, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name, up->channel_oil->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil->cc.lastused / 100" ), }; static const struct xref * const xref_p_155 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s[%s]: %s old packet count is equal or lastused is greater than 30, (%ld,%ld,%lld)" ), __func__, up->sg_str, pim->vrf->name, up->channel_oil ->cc.oldpktcnt, up->channel_oil->cc.pktcnt, up->channel_oil ->cc.lastused / 100); } while (0); |
| 2023 | } |
| 2024 | return rv; |
| 2025 | } |
| 2026 | |
| 2027 | if (pim_upstream_kat_start_ok(up)) { |
| 2028 | /* Add a source reference to the stream if |
| 2029 | * one doesn't already exist */ |
| 2030 | if (!PIM_UPSTREAM_FLAG_TEST_SRC_STREAM(up->flags)((up->flags) & (1 << 5))) { |
| 2031 | if (PIM_DEBUG_PIM_TRACE(router->debugs & ((1 << 5) | (1 << 6)))) |
| 2032 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("source reference created on kat restart %s[%s]" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2034, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("source reference created on kat restart %s[%s]" ), .priority = (7), .ec = (0), .args = ("up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_156 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("source reference created on kat restart %s[%s]" ), up->sg_str, pim->vrf->name); } while (0) |
| 2033 | "source reference created on kat restart %s[%s]",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("source reference created on kat restart %s[%s]" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2034, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("source reference created on kat restart %s[%s]" ), .priority = (7), .ec = (0), .args = ("up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_156 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("source reference created on kat restart %s[%s]" ), up->sg_str, pim->vrf->name); } while (0) |
| 2034 | up->sg_str, pim->vrf->name)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("source reference created on kat restart %s[%s]" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2034, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("source reference created on kat restart %s[%s]" ), .priority = (7), .ec = (0), .args = ("up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_156 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("source reference created on kat restart %s[%s]" ), up->sg_str, pim->vrf->name); } while (0); |
| 2035 | |
| 2036 | pim_upstream_ref(up, PIM_UPSTREAM_FLAG_MASK_SRC_STREAM(1 << 5), |
| 2037 | __func__); |
| 2038 | PIM_UPSTREAM_FLAG_SET_SRC_STREAM(up->flags)((up->flags) |= (1 << 5)); |
| 2039 | pim_upstream_fhr_kat_start(up); |
| 2040 | } |
| 2041 | pim_upstream_keep_alive_timer_start(up, pim->keep_alive_time); |
| 2042 | rv = true1; |
| 2043 | } else if (PIM_UPSTREAM_FLAG_TEST_SRC_LHR(up->flags)((up->flags) & (1 << 8))) { |
| 2044 | pim_upstream_keep_alive_timer_start(up, pim->keep_alive_time); |
| 2045 | rv = true1; |
| 2046 | } |
| 2047 | |
| 2048 | if ((up->sptbit != PIM_UPSTREAM_SPTBIT_TRUE) && |
| 2049 | (up->rpf.source_nexthop.interface)) { |
| 2050 | pim_upstream_set_sptbit(up, up->rpf.source_nexthop.interface); |
| 2051 | pim_upstream_update_could_assert(up); |
| 2052 | } |
| 2053 | |
| 2054 | return rv; |
| 2055 | } |
| 2056 | |
| 2057 | /* |
| 2058 | * Code to check and see if we've received packets on a S,G mroute |
| 2059 | * and if so to set the SPT bit appropriately |
| 2060 | */ |
| 2061 | static void pim_upstream_sg_running(void *arg) |
| 2062 | { |
| 2063 | struct pim_upstream *up = (struct pim_upstream *)arg; |
| 2064 | struct pim_instance *pim = up->channel_oil->pim; |
| 2065 | |
| 2066 | // No packet can have arrived here if this is the case |
| 2067 | if (!up->channel_oil->installed) { |
| 2068 | if (PIM_DEBUG_TRACE(router->debugs & ((1 << 5) | (1 << 9)))) |
| 2069 | zlog_debug("%s: %s[%s] is not installed in mroute",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s[%s] is not installed in mroute" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2070, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s[%s] is not installed in mroute"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_157 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s[%s] is not installed in mroute"), __func__ , up->sg_str, pim->vrf->name); } while (0) |
| 2070 | __func__, up->sg_str, pim->vrf->name)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: %s[%s] is not installed in mroute" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2070, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: %s[%s] is not installed in mroute"), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_157 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: %s[%s] is not installed in mroute"), __func__ , up->sg_str, pim->vrf->name); } while (0); |
| 2071 | return; |
| 2072 | } |
| 2073 | |
| 2074 | /* |
| 2075 | * This is a bit of a hack |
| 2076 | * We've noted that we should rescan but |
| 2077 | * we've missed the window for doing so in |
| 2078 | * pim_zebra.c for some reason. I am |
| 2079 | * only doing this at this point in time |
| 2080 | * to get us up and working for the moment |
| 2081 | */ |
| 2082 | if (up->channel_oil->oil_inherited_rescan) { |
| 2083 | if (PIM_DEBUG_TRACE(router->debugs & ((1 << 5) | (1 << 9)))) |
| 2084 | zlog_debug(do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Handling unscanned inherited_olist for %s[%s]" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2086, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Handling unscanned inherited_olist for %s[%s]" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_158 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Handling unscanned inherited_olist for %s[%s]" ), __func__, up->sg_str, pim->vrf->name); } while (0 ) |
| 2085 | "%s: Handling unscanned inherited_olist for %s[%s]",do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Handling unscanned inherited_olist for %s[%s]" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2086, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Handling unscanned inherited_olist for %s[%s]" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_158 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Handling unscanned inherited_olist for %s[%s]" ), __func__, up->sg_str, pim->vrf->name); } while (0 ) |
| 2086 | __func__, up->sg_str, pim->vrf->name)do { static struct xrefdata_logmsg _xrefdata = { .xrefdata = { .xref = ((void*)0), .uid = {}, .hashstr = ("%s: Handling unscanned inherited_olist for %s[%s]" ), .hashu32 = {(7), (0)}, }, }; static const struct xref_logmsg _xref __attribute__( (used)) = { .xref = { (&_xrefdata.xrefdata ), (XREFT_LOGMSG), 2086, "pimd/pim_upstream.c", __func__, }, . fmtstring = ("%s: Handling unscanned inherited_olist for %s[%s]" ), .priority = (7), .ec = (0), .args = ("__func__, up->sg_str, pim->vrf->name" ), }; static const struct xref * const xref_p_158 __attribute__ ((used, section("xref_array"))) = &(_xref.xref); zlog_ref (&_xref, ("%s: Handling unscanned inherited_olist for %s[%s]" ), __func__, up->sg_str, pim->vrf->name); } while (0 ); |
| 2087 | pim_upstream_inherited_olist_decide(pim, up); |
| 2088 | up->channel_oil->oil_inherited_rescan = 0; |
| 2089 | } |
| 2090 | |
| 2091 | pim_upstream_sg_running_proc(up); |
| 2092 | } |
| 2093 | |
| 2094 | void pim_upstream_add_lhr_star_pimreg(struct pim_instance *pim) |
| 2095 | { |
| 2096 | struct pim_upstream *up; |
| 2097 | |
| 2098 | frr_each (rb_pim_upstream, &pim->upstream_head, up)for (up = rb_pim_upstream_first(&pim->upstream_head); up ; up = rb_pim_upstream_next(&pim->upstream_head, up)) { |
| 2099 | if (!pim_addr_is_any(up->sg.src)) |
| 2100 | continue; |
| 2101 | |
| 2102 | if (!PIM_UPSTREAM_FLAG_TEST_CAN_BE_LHR(up->flags)((up->flags) & ((1 << 3) | (1 << 15)))) |
| 2103 | continue; |
| 2104 | |
| 2105 | pim_channel_add_oif(up->channel_oil, pim->regiface, |
| 2106 | PIM_OIF_FLAG_PROTO_GM(1 << 0), __func__); |
| 2107 | } |
| 2108 | } |
| 2109 | |
| 2110 | void pim_upstream_spt_prefix_list_update(struct pim_instance *pim, |
| 2111 | struct prefix_list *pl) |
| 2112 | { |
| 2113 | const char *pname = prefix_list_name(pl); |
| 2114 | |
| 2115 | if (pim->spt.plist && strcmp(pim->spt.plist, pname) == 0) { |
| 2116 | pim_upstream_remove_lhr_star_pimreg(pim, pname); |
| 2117 | } |
| 2118 | } |
| 2119 | |
| 2120 | /* |
| 2121 | * nlist -> The new prefix list |
| 2122 | * |
| 2123 | * Per Group Application of pimreg to the OIL |
| 2124 | * If the prefix list tells us DENY then |
| 2125 | * we need to Switchover to SPT immediate |
| 2126 | * so add the pimreg. |
| 2127 | * If the prefix list tells us to ACCEPT than |
| 2128 | * we need to Never do the SPT so remove |
| 2129 | * the interface |
| 2130 | * |
| 2131 | */ |
| 2132 | void pim_upstream_remove_lhr_star_pimreg(struct pim_instance *pim, |
| 2133 | const char *nlist) |
| 2134 | { |
| 2135 | struct pim_upstream *up; |
| 2136 | struct prefix_list *np; |
| 2137 | struct prefix g; |
| 2138 | enum prefix_list_type apply_new; |
| 2139 | |
| 2140 | np = prefix_list_lookup(PIM_AFIAFI_IP, nlist); |
| 2141 | |
| 2142 | frr_each (rb_pim_upstream, &pim->upstream_head, up)for (up = rb_pim_upstream_first(&pim->upstream_head); up ; up = rb_pim_upstream_next(&pim->upstream_head, up)) { |
| 2143 | if (!pim_addr_is_any(up->sg.src)) |
| 2144 | continue; |
| 2145 | |
| 2146 | if (!PIM_UPSTREAM_FLAG_TEST_CAN_BE_LHR(up->flags)((up->flags) & ((1 << 3) | (1 << 15)))) |
| 2147 | continue; |
| 2148 | |
| 2149 | if (!nlist) { |
| 2150 | pim_channel_del_oif(up->channel_oil, pim->regiface, |
| 2151 | PIM_OIF_FLAG_PROTO_GM(1 << 0), __func__); |
| 2152 | continue; |
| 2153 | } |
| 2154 | pim_addr_to_prefix(&g, up->sg.grp); |
| 2155 | apply_new = prefix_list_apply_ext(np, NULL((void*)0), &g, true1); |
| 2156 | if (apply_new == PREFIX_DENY) |
| 2157 | pim_channel_add_oif(up->channel_oil, pim->regiface, |
| 2158 | PIM_OIF_FLAG_PROTO_GM(1 << 0), __func__); |
| 2159 | else |
| 2160 | pim_channel_del_oif(up->channel_oil, pim->regiface, |
| 2161 | PIM_OIF_FLAG_PROTO_GM(1 << 0), __func__); |
| 2162 | } |
| 2163 | } |
| 2164 | |
| 2165 | void pim_upstream_init(struct pim_instance *pim) |
| 2166 | { |
| 2167 | char name[64]; |
| 2168 | |
| 2169 | snprintf(name, sizeof(name), "PIM %s Timer Wheel", pim->vrf->name); |
| 2170 | pim->upstream_sg_wheel = |
| 2171 | wheel_init(router->master, 31000, 100, pim_upstream_hash_key, |
| 2172 | pim_upstream_sg_running, name); |
| 2173 | |
| 2174 | rb_pim_upstream_init(&pim->upstream_head); |
| 2175 | } |