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pim6d: IPv6-adjust static multicast routes

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Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2022-01-18 15:07:38 +01:00
parent a9338fa449
commit f0d63d90bd
3 changed files with 54 additions and 99 deletions
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22
pimd/pim_nb_config.c
View File

@ -2180,8 +2180,8 @@ int lib_interface_pim_address_family_mroute_destroy(
struct interface *iif;
struct interface *oif;
const char *oifname;
struct ipaddr source_addr;
struct ipaddr group_addr;
pim_addr source_addr;
pim_addr group_addr;
const struct lyd_node *if_dnode;
switch (args->event) {
@ -2211,11 +2211,10 @@ int lib_interface_pim_address_family_mroute_destroy(
return NB_ERR_INCONSISTENCY;
}
yang_dnode_get_ip(&source_addr, args->dnode, "./source-addr");
yang_dnode_get_ip(&group_addr, args->dnode, "./group-addr");
yang_dnode_get_pimaddr(&source_addr, args->dnode, "./source-addr");
yang_dnode_get_pimaddr(&group_addr, args->dnode, "./group-addr");
if (pim_static_del(pim, iif, oif, group_addr.ip._v4_addr,
source_addr.ip._v4_addr)) {
if (pim_static_del(pim, iif, oif, group_addr, source_addr)) {
snprintf(args->errmsg, args->errmsg_len,
"Failed to remove static mroute");
return NB_ERR_INCONSISTENCY;
@ -2238,8 +2237,8 @@ int lib_interface_pim_address_family_mroute_oif_modify(
struct interface *iif;
struct interface *oif;
const char *oifname;
struct ipaddr source_addr;
struct ipaddr group_addr;
pim_addr source_addr;
pim_addr group_addr;
const struct lyd_node *if_dnode;
switch (args->event) {
@ -2288,11 +2287,10 @@ int lib_interface_pim_address_family_mroute_oif_modify(
return NB_ERR_INCONSISTENCY;
}
yang_dnode_get_ip(&source_addr, args->dnode, "../source-addr");
yang_dnode_get_ip(&group_addr, args->dnode, "../group-addr");
yang_dnode_get_pimaddr(&source_addr, args->dnode, "../source-addr");
yang_dnode_get_pimaddr(&group_addr, args->dnode, "../group-addr");
if (pim_static_add(pim, iif, oif, group_addr.ip._v4_addr,
source_addr.ip._v4_addr)) {
if (pim_static_add(pim, iif, oif, group_addr, source_addr)) {
snprintf(args->errmsg, args->errmsg_len,
"Failed to add static mroute");
return NB_ERR_INCONSISTENCY;

121
pimd/pim_static.c
View File

@ -43,8 +43,8 @@ static struct static_route *static_route_alloc(void)
}
static struct static_route *static_route_new(ifindex_t iif, ifindex_t oif,
struct in_addr group,
struct in_addr source)
pim_addr group,
pim_addr source)
{
struct static_route *s_route;
s_route = static_route_alloc();
@ -54,10 +54,10 @@ static struct static_route *static_route_new(ifindex_t iif, ifindex_t oif,
s_route->iif = iif;
s_route->oif_ttls[oif] = 1;
s_route->c_oil.oil_ref_count = 1;
s_route->c_oil.oil.mfcc_origin = source;
s_route->c_oil.oil.mfcc_mcastgrp = group;
s_route->c_oil.oil.mfcc_parent = iif;
s_route->c_oil.oil.mfcc_ttls[oif] = 1;
*oil_origin(&s_route->c_oil) = source;
*oil_mcastgrp(&s_route->c_oil) = group;
*oil_parent(&s_route->c_oil) = iif;
oil_if_set(&s_route->c_oil, oif, 1);
s_route->c_oil.oif_creation[oif] = pim_time_monotonic_sec();
return s_route;
@ -65,8 +65,7 @@ static struct static_route *static_route_new(ifindex_t iif, ifindex_t oif,
int pim_static_add(struct pim_instance *pim, struct interface *iif,
struct interface *oif, struct in_addr group,
struct in_addr source)
struct interface *oif, pim_addr group, pim_addr source)
{
struct listnode *node = NULL;
struct static_route *s_route = NULL;
@ -97,20 +96,14 @@ int pim_static_add(struct pim_instance *pim, struct interface *iif,
}
for (ALL_LIST_ELEMENTS_RO(pim->static_routes, node, s_route)) {
if (s_route->group.s_addr == group.s_addr
&& s_route->source.s_addr == source.s_addr) {
if (!pim_addr_cmp(s_route->group, group)
&& !pim_addr_cmp(s_route->source, source)) {
if (s_route->iif == iif_index
&& s_route->oif_ttls[oif_index]) {
char gifaddr_str[INET_ADDRSTRLEN];
char sifaddr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<ifaddr?>", group, gifaddr_str,
sizeof(gifaddr_str));
pim_inet4_dump("<ifaddr?>", source, sifaddr_str,
sizeof(sifaddr_str));
zlog_warn(
"%s %s: Unable to add static route: Route already exists (iif=%d,oif=%d,group=%s,source=%s)",
"%s %s: Unable to add static route: Route already exists (iif=%d,oif=%d,group=%pPAs,source=%pPAs)",
__FILE__, __func__, iif_index,
oif_index, gifaddr_str, sifaddr_str);
oif_index, &group, &source);
return -3;
}
@ -130,7 +123,7 @@ int pim_static_add(struct pim_instance *pim, struct interface *iif,
* adding a new output interface */
if (s_route->iif == iif_index) {
s_route->oif_ttls[oif_index] = 1;
s_route->c_oil.oil.mfcc_ttls[oif_index] = 1;
oil_if_set(&s_route->c_oil, oif_index, 1);
s_route->c_oil.oif_creation[oif_index] =
pim_time_monotonic_sec();
++s_route->c_oil.oil_ref_count;
@ -147,8 +140,8 @@ int pim_static_add(struct pim_instance *pim, struct interface *iif,
s_route->oif_ttls[iif_index] = 0;
s_route->c_oil.oif_creation[iif_index] =
0;
s_route->c_oil.oil
.mfcc_ttls[iif_index] = 0;
oil_if_set(&s_route->c_oil, iif_index,
0);
--s_route->c_oil.oil_ref_count;
}
#endif
@ -158,8 +151,8 @@ int pim_static_add(struct pim_instance *pim, struct interface *iif,
s_route->oif_ttls[oif_index] = 1;
s_route->c_oil.oif_creation[oif_index] =
pim_time_monotonic_sec();
s_route->c_oil.oil
.mfcc_ttls[oif_index] = 1;
oil_if_set(&s_route->c_oil, oif_index,
1);
++s_route->c_oil.oil_ref_count;
}
}
@ -178,16 +171,10 @@ int pim_static_add(struct pim_instance *pim, struct interface *iif,
s_route->c_oil.pim = pim;
if (pim_static_mroute_add(&s_route->c_oil, __func__)) {
char gifaddr_str[INET_ADDRSTRLEN];
char sifaddr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<ifaddr?>", group, gifaddr_str,
sizeof(gifaddr_str));
pim_inet4_dump("<ifaddr?>", source, sifaddr_str,
sizeof(sifaddr_str));
zlog_warn(
"%s %s: Unable to add static route(iif=%d,oif=%d,group=%s,source=%s)",
__FILE__, __func__, iif_index, oif_index, gifaddr_str,
sifaddr_str);
"%s %s: Unable to add static route(iif=%d,oif=%d,group=%pPAs,source=%pPAs)",
__FILE__, __func__, iif_index, oif_index, &group,
&source);
/* Need to put s_route back to the way it was */
if (original_s_route) {
@ -213,24 +200,17 @@ int pim_static_add(struct pim_instance *pim, struct interface *iif,
}
if (PIM_DEBUG_STATIC) {
char gifaddr_str[INET_ADDRSTRLEN];
char sifaddr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<ifaddr?>", group, gifaddr_str,
sizeof(gifaddr_str));
pim_inet4_dump("<ifaddr?>", source, sifaddr_str,
sizeof(sifaddr_str));
zlog_debug(
"%s: Static route added(iif=%d,oif=%d,group=%s,source=%s)",
__func__, iif_index, oif_index, gifaddr_str,
sifaddr_str);
"%s: Static route added(iif=%d,oif=%d,group=%pPAs,source=%pPAs)",
__func__, iif_index, oif_index, &group,
&source);
}
return 0;
}
int pim_static_del(struct pim_instance *pim, struct interface *iif,
struct interface *oif, struct in_addr group,
struct in_addr source)
struct interface *oif, pim_addr group, pim_addr source)
{
struct listnode *node = NULL;
struct listnode *nextnode = NULL;
@ -249,11 +229,11 @@ int pim_static_del(struct pim_instance *pim, struct interface *iif,
for (ALL_LIST_ELEMENTS(pim->static_routes, node, nextnode, s_route)) {
if (s_route->iif == iif_index
&& s_route->group.s_addr == group.s_addr
&& s_route->source.s_addr == source.s_addr
&& !pim_addr_cmp(s_route->group, group)
&& !pim_addr_cmp(s_route->source, source)
&& s_route->oif_ttls[oif_index]) {
s_route->oif_ttls[oif_index] = 0;
s_route->c_oil.oil.mfcc_ttls[oif_index] = 0;
oil_if_set(&s_route->c_oil, oif_index, 0);
--s_route->c_oil.oil_ref_count;
/* If there are no more outputs then delete the whole
@ -263,19 +243,13 @@ int pim_static_del(struct pim_instance *pim, struct interface *iif,
? pim_mroute_del(&s_route->c_oil, __func__)
: pim_static_mroute_add(&s_route->c_oil,
__func__)) {
char gifaddr_str[INET_ADDRSTRLEN];
char sifaddr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<ifaddr?>", group, gifaddr_str,
sizeof(gifaddr_str));
pim_inet4_dump("<ifaddr?>", source, sifaddr_str,
sizeof(sifaddr_str));
zlog_warn(
"%s %s: Unable to remove static route(iif=%d,oif=%d,group=%s,source=%s)",
"%s %s: Unable to remove static route(iif=%d,oif=%d,group=%pPAs,source=%pPAs)",
__FILE__, __func__, iif_index,
oif_index, gifaddr_str, sifaddr_str);
oif_index, &group, &source);
s_route->oif_ttls[oif_index] = 1;
s_route->c_oil.oil.mfcc_ttls[oif_index] = 1;
oil_if_set(&s_route->c_oil, oif_index, 1);
++s_route->c_oil.oil_ref_count;
return -1;
@ -289,16 +263,10 @@ int pim_static_del(struct pim_instance *pim, struct interface *iif,
}
if (PIM_DEBUG_STATIC) {
char gifaddr_str[INET_ADDRSTRLEN];
char sifaddr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<ifaddr?>", group, gifaddr_str,
sizeof(gifaddr_str));
pim_inet4_dump("<ifaddr?>", source, sifaddr_str,
sizeof(sifaddr_str));
zlog_debug(
"%s: Static route removed(iif=%d,oif=%d,group=%s,source=%s)",
"%s: Static route removed(iif=%d,oif=%d,group=%pPAs,source=%pPAs)",
__func__, iif_index, oif_index,
gifaddr_str, sifaddr_str);
&group, &source);
}
break;
@ -306,16 +274,10 @@ int pim_static_del(struct pim_instance *pim, struct interface *iif,
}
if (!node) {
char gifaddr_str[INET_ADDRSTRLEN];
char sifaddr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<ifaddr?>", group, gifaddr_str,
sizeof(gifaddr_str));
pim_inet4_dump("<ifaddr?>", source, sifaddr_str,
sizeof(sifaddr_str));
zlog_warn(
"%s %s: Unable to remove static route: Route does not exist(iif=%d,oif=%d,group=%s,source=%s)",
__FILE__, __func__, iif_index, oif_index, gifaddr_str,
sifaddr_str);
"%s %s: Unable to remove static route: Route does not exist(iif=%d,oif=%d,group=%pPAs,source=%pPAs)",
__FILE__, __func__, iif_index, oif_index, &group,
&source);
return -3;
}
@ -329,15 +291,11 @@ int pim_static_write_mroute(struct pim_instance *pim, struct vty *vty,
struct listnode *node;
struct static_route *sroute;
int count = 0;
char sbuf[INET_ADDRSTRLEN];
char gbuf[INET_ADDRSTRLEN];
if (!pim_ifp)
return 0;
for (ALL_LIST_ELEMENTS_RO(pim->static_routes, node, sroute)) {
pim_inet4_dump("<ifaddr?>", sroute->group, gbuf, sizeof(gbuf));
pim_inet4_dump("<ifaddr?>", sroute->source, sbuf, sizeof(sbuf));
if (sroute->iif == pim_ifp->mroute_vif_index) {
int i;
for (i = 0; i < MAXVIFS; i++)
@ -345,14 +303,15 @@ int pim_static_write_mroute(struct pim_instance *pim, struct vty *vty,
struct interface *oifp =
pim_if_find_by_vif_index(pim,
i);
if (sroute->source.s_addr == INADDR_ANY)
if (pim_addr_is_any(sroute->source))
vty_out(vty,
" ip mroute %s %s\n",
oifp->name, gbuf);
" ip mroute %s %pPA\n",
oifp->name, &sroute->group);
else
vty_out(vty,
" ip mroute %s %s %s\n",
oifp->name, gbuf, sbuf);
" ip mroute %s %pPA %pPA\n",
oifp->name, &sroute->group,
&sroute->source);
count++;
}
}

10
pimd/pim_static.h
View File

@ -26,8 +26,8 @@
struct static_route {
/* Each static route is unique by these pair of addresses */
struct in_addr group;
struct in_addr source;
pim_addr group;
pim_addr source;
struct channel_oil c_oil;
ifindex_t iif;
@ -37,11 +37,9 @@ struct static_route {
void pim_static_route_free(struct static_route *s_route);
int pim_static_add(struct pim_instance *pim, struct interface *iif,
struct interface *oif, struct in_addr group,
struct in_addr source);
struct interface *oif, pim_addr group, pim_addr source);
int pim_static_del(struct pim_instance *pim, struct interface *iif,
struct interface *oif, struct in_addr group,
struct in_addr source);
struct interface *oif, pim_addr group, pim_addr source);
int pim_static_write_mroute(struct pim_instance *pim, struct vty *vty,
struct interface *ifp);