mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-08-07 17:18:56 +00:00
Merge pull request #3502 from donaldsharp/socket_to_me_baby
BSD route socket refactoring/cleanup
This commit is contained in:
Russ White
GitHub
commit
c52e2ecf95
@ -89,170 +89,6 @@ static int kernel_rtm_add_labels(struct mpls_label_stack *nh_label,
|
|||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Interface between zebra message and rtm message. */
|
|
||||||
static int kernel_rtm_ipv4(int cmd, const struct prefix *p,
|
|
||||||
const struct nexthop_group *ng, uint32_t metric)
|
|
||||||
|
|
||||||
{
|
|
||||||
struct sockaddr_in *mask = NULL;
|
|
||||||
struct sockaddr_in sin_dest, sin_mask, sin_gate;
|
|
||||||
#ifdef __OpenBSD__
|
|
||||||
struct sockaddr_mpls smpls;
|
|
||||||
#endif
|
|
||||||
union sockunion *smplsp = NULL;
|
|
||||||
struct nexthop *nexthop;
|
|
||||||
int nexthop_num = 0;
|
|
||||||
ifindex_t ifindex = 0;
|
|
||||||
int gate = 0;
|
|
||||||
int error;
|
|
||||||
char prefix_buf[PREFIX_STRLEN];
|
|
||||||
enum blackhole_type bh_type = BLACKHOLE_UNSPEC;
|
|
||||||
|
|
||||||
if (IS_ZEBRA_DEBUG_RIB)
|
|
||||||
prefix2str(p, prefix_buf, sizeof(prefix_buf));
|
|
||||||
memset(&sin_dest, 0, sizeof(struct sockaddr_in));
|
|
||||||
sin_dest.sin_family = AF_INET;
|
|
||||||
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
|
|
||||||
sin_dest.sin_len = sizeof(struct sockaddr_in);
|
|
||||||
#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
|
|
||||||
sin_dest.sin_addr = p->u.prefix4;
|
|
||||||
|
|
||||||
memset(&sin_mask, 0, sizeof(struct sockaddr_in));
|
|
||||||
|
|
||||||
memset(&sin_gate, 0, sizeof(struct sockaddr_in));
|
|
||||||
sin_gate.sin_family = AF_INET;
|
|
||||||
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
|
|
||||||
sin_gate.sin_len = sizeof(struct sockaddr_in);
|
|
||||||
#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
|
|
||||||
|
|
||||||
/* Make gateway. */
|
|
||||||
for (ALL_NEXTHOPS_PTR(ng, nexthop)) {
|
|
||||||
if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
|
|
||||||
continue;
|
|
||||||
|
|
||||||
gate = 0;
|
|
||||||
char gate_buf[INET_ADDRSTRLEN] = "NULL";
|
|
||||||
|
|
||||||
/*
|
|
||||||
* XXX We need to refrain from kernel operations in some cases,
|
|
||||||
* but this if statement seems overly cautious - what about
|
|
||||||
* other than ADD and DELETE?
|
|
||||||
*/
|
|
||||||
if ((cmd == RTM_ADD && NEXTHOP_IS_ACTIVE(nexthop->flags))
|
|
||||||
|| (cmd == RTM_DELETE)) {
|
|
||||||
if (nexthop->type == NEXTHOP_TYPE_IPV4
|
|
||||||
|| nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX) {
|
|
||||||
sin_gate.sin_addr = nexthop->gate.ipv4;
|
|
||||||
gate = 1;
|
|
||||||
}
|
|
||||||
if (nexthop->type == NEXTHOP_TYPE_IFINDEX
|
|
||||||
|| nexthop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
|
|
||||||
ifindex = nexthop->ifindex;
|
|
||||||
if (nexthop->type == NEXTHOP_TYPE_BLACKHOLE) {
|
|
||||||
struct in_addr loopback;
|
|
||||||
loopback.s_addr = htonl(INADDR_LOOPBACK);
|
|
||||||
sin_gate.sin_addr = loopback;
|
|
||||||
bh_type = nexthop->bh_type;
|
|
||||||
gate = 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (gate && p->prefixlen == 32)
|
|
||||||
mask = NULL;
|
|
||||||
else {
|
|
||||||
masklen2ip(p->prefixlen, &sin_mask.sin_addr);
|
|
||||||
sin_mask.sin_family = AF_INET;
|
|
||||||
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
|
|
||||||
sin_mask.sin_len =
|
|
||||||
sin_masklen(sin_mask.sin_addr);
|
|
||||||
#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
|
|
||||||
mask = &sin_mask;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef __OpenBSD__
|
|
||||||
if (nexthop->nh_label
|
|
||||||
&& !kernel_rtm_add_labels(nexthop->nh_label,
|
|
||||||
&smpls))
|
|
||||||
continue;
|
|
||||||
smplsp = (union sockunion *)&smpls;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
error = rtm_write(cmd, (union sockunion *)&sin_dest,
|
|
||||||
(union sockunion *)mask,
|
|
||||||
gate ? (union sockunion *)&sin_gate
|
|
||||||
: NULL,
|
|
||||||
smplsp, ifindex, bh_type, metric);
|
|
||||||
|
|
||||||
if (IS_ZEBRA_DEBUG_KERNEL) {
|
|
||||||
if (!gate) {
|
|
||||||
zlog_debug(
|
|
||||||
"%s: %s: attention! gate not found for re",
|
|
||||||
__func__, prefix_buf);
|
|
||||||
} else
|
|
||||||
inet_ntop(AF_INET, &sin_gate.sin_addr,
|
|
||||||
gate_buf, INET_ADDRSTRLEN);
|
|
||||||
}
|
|
||||||
|
|
||||||
switch (error) {
|
|
||||||
/* We only flag nexthops as being in FIB if rtm_write()
|
|
||||||
* did its work. */
|
|
||||||
case ZEBRA_ERR_NOERROR:
|
|
||||||
nexthop_num++;
|
|
||||||
if (IS_ZEBRA_DEBUG_KERNEL)
|
|
||||||
zlog_debug(
|
|
||||||
"%s: %s: successfully did NH %s",
|
|
||||||
__func__, prefix_buf, gate_buf);
|
|
||||||
|
|
||||||
if (cmd == RTM_ADD)
|
|
||||||
SET_FLAG(nexthop->flags,
|
|
||||||
NEXTHOP_FLAG_FIB);
|
|
||||||
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* The only valid case for this error is kernel's
|
|
||||||
* failure to install
|
|
||||||
* a multipath route, which is common for FreeBSD. This
|
|
||||||
* should be
|
|
||||||
* ignored silently, but logged as an error otherwise.
|
|
||||||
*/
|
|
||||||
case ZEBRA_ERR_RTEXIST:
|
|
||||||
if (cmd != RTM_ADD)
|
|
||||||
flog_err(
|
|
||||||
EC_LIB_SYSTEM_CALL,
|
|
||||||
"%s: rtm_write() returned %d for command %d",
|
|
||||||
__func__, error, cmd);
|
|
||||||
continue;
|
|
||||||
|
|
||||||
/* Note any unexpected status returns */
|
|
||||||
default:
|
|
||||||
flog_err(
|
|
||||||
EC_LIB_SYSTEM_CALL,
|
|
||||||
"%s: %s: rtm_write() unexpectedly returned %d for command %s",
|
|
||||||
__func__,
|
|
||||||
prefix2str(p, prefix_buf,
|
|
||||||
sizeof(prefix_buf)),
|
|
||||||
error,
|
|
||||||
lookup_msg(rtm_type_str, cmd, NULL));
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
} /* if (cmd and flags make sense) */
|
|
||||||
else if (IS_ZEBRA_DEBUG_KERNEL)
|
|
||||||
zlog_debug("%s: odd command %s for flags %d", __func__,
|
|
||||||
lookup_msg(rtm_type_str, cmd, NULL),
|
|
||||||
nexthop->flags);
|
|
||||||
} /* for (ALL_NEXTHOPS(...))*/
|
|
||||||
|
|
||||||
/* If there was no useful nexthop, then complain. */
|
|
||||||
if (nexthop_num == 0) {
|
|
||||||
if (IS_ZEBRA_DEBUG_KERNEL)
|
|
||||||
zlog_debug("%s: No useful nexthops were found in RIB prefix %s",
|
|
||||||
__func__, prefix2str(p, prefix_buf,
|
|
||||||
sizeof(prefix_buf)));
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
return 0; /*XXX*/
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef SIN6_LEN
|
#ifdef SIN6_LEN
|
||||||
/* Calculate sin6_len value for netmask socket value. */
|
/* Calculate sin6_len value for netmask socket value. */
|
||||||
static int sin6_masklen(struct in6_addr mask)
|
static int sin6_masklen(struct in6_addr mask)
|
||||||
@ -278,11 +114,11 @@ static int sin6_masklen(struct in6_addr mask)
|
|||||||
#endif /* SIN6_LEN */
|
#endif /* SIN6_LEN */
|
||||||
|
|
||||||
/* Interface between zebra message and rtm message. */
|
/* Interface between zebra message and rtm message. */
|
||||||
static int kernel_rtm_ipv6(int cmd, const struct prefix *p,
|
static int kernel_rtm(int cmd, const struct prefix *p,
|
||||||
const struct nexthop_group *ng, uint32_t metric)
|
const struct nexthop_group *ng, uint32_t metric)
|
||||||
|
|
||||||
{
|
{
|
||||||
struct sockaddr_in6 *mask;
|
union sockunion sin_dest, sin_mask, sin_gate;
|
||||||
struct sockaddr_in6 sin_dest, sin_mask, sin_gate;
|
|
||||||
#ifdef __OpenBSD__
|
#ifdef __OpenBSD__
|
||||||
struct sockaddr_mpls smpls;
|
struct sockaddr_mpls smpls;
|
||||||
#endif
|
#endif
|
||||||
@ -290,48 +126,81 @@ static int kernel_rtm_ipv6(int cmd, const struct prefix *p,
|
|||||||
struct nexthop *nexthop;
|
struct nexthop *nexthop;
|
||||||
int nexthop_num = 0;
|
int nexthop_num = 0;
|
||||||
ifindex_t ifindex = 0;
|
ifindex_t ifindex = 0;
|
||||||
int gate = 0;
|
bool gate = false;
|
||||||
int error;
|
int error;
|
||||||
|
char prefix_buf[PREFIX_STRLEN];
|
||||||
enum blackhole_type bh_type = BLACKHOLE_UNSPEC;
|
enum blackhole_type bh_type = BLACKHOLE_UNSPEC;
|
||||||
|
|
||||||
memset(&sin_dest, 0, sizeof(struct sockaddr_in6));
|
if (IS_ZEBRA_DEBUG_RIB)
|
||||||
sin_dest.sin6_family = AF_INET6;
|
prefix2str(p, prefix_buf, sizeof(prefix_buf));
|
||||||
#ifdef SIN6_LEN
|
|
||||||
sin_dest.sin6_len = sizeof(struct sockaddr_in6);
|
|
||||||
#endif /* SIN6_LEN */
|
|
||||||
sin_dest.sin6_addr = p->u.prefix6;
|
|
||||||
|
|
||||||
memset(&sin_mask, 0, sizeof(struct sockaddr_in6));
|
/*
|
||||||
|
* We only have the ability to ADD or DELETE at this point
|
||||||
|
* in time.
|
||||||
|
*/
|
||||||
|
if (cmd != RTM_ADD && cmd != RTM_DELETE) {
|
||||||
|
if (IS_ZEBRA_DEBUG_KERNEL)
|
||||||
|
zlog_debug("%s: %s odd command %s for flags %d",
|
||||||
|
__func__, prefix_buf,
|
||||||
|
lookup_msg(rtm_type_str, cmd, NULL),
|
||||||
|
nexthop->flags);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
memset(&sin_gate, 0, sizeof(struct sockaddr_in6));
|
memset(&sin_dest, 0, sizeof(sin_dest));
|
||||||
sin_gate.sin6_family = AF_INET6;
|
memset(&sin_gate, 0, sizeof(sin_gate));
|
||||||
|
memset(&sin_mask, 0, sizeof(sin_mask));
|
||||||
|
|
||||||
|
switch (p->family) {
|
||||||
|
case AF_INET:
|
||||||
|
sin_dest.sin.sin_family = AF_INET;
|
||||||
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
|
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
|
||||||
sin_gate.sin6_len = sizeof(struct sockaddr_in6);
|
sin_dest.sin.sin_len = sizeof(sin_dest);
|
||||||
|
sin_gate.sin.sin_len = sizeof(sin_gate);
|
||||||
#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
|
#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
|
||||||
|
sin_dest.sin.sin_addr = p->u.prefix4;
|
||||||
|
sin_gate.sin.sin_family = AF_INET;
|
||||||
|
break;
|
||||||
|
case AF_INET6:
|
||||||
|
sin_dest.sin6.sin6_family = AF_INET6;
|
||||||
|
#ifdef SIN6_LEN
|
||||||
|
sin_dest.sin6.sin6_len = sizeof(sin_dest);
|
||||||
|
#endif /* SIN6_LEN */
|
||||||
|
sin_dest.sin6.sin6_addr = p->u.prefix6;
|
||||||
|
sin_gate.sin6.sin6_family = AF_INET6;
|
||||||
|
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
|
||||||
|
sin_gate.sin6.sin6_len = sizeof(sin_gate);
|
||||||
|
#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
/* Make gateway. */
|
/* Make gateway. */
|
||||||
for (ALL_NEXTHOPS_PTR(ng, nexthop)) {
|
for (ALL_NEXTHOPS_PTR(ng, nexthop)) {
|
||||||
if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_RECURSIVE))
|
/*
|
||||||
|
* We only want to use the actual good nexthops
|
||||||
|
*/
|
||||||
|
if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_RECURSIVE) ||
|
||||||
|
!CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE))
|
||||||
continue;
|
continue;
|
||||||
|
|
||||||
gate = 0;
|
smplsp = NULL;
|
||||||
|
gate = false;
|
||||||
|
char gate_buf[INET_ADDRSTRLEN] = "NULL";
|
||||||
|
|
||||||
if ((cmd == RTM_ADD && NEXTHOP_IS_ACTIVE(nexthop->flags))
|
switch (nexthop->type) {
|
||||||
|| (cmd == RTM_DELETE)) {
|
case NEXTHOP_TYPE_IPV4:
|
||||||
if (nexthop->type == NEXTHOP_TYPE_IPV6
|
case NEXTHOP_TYPE_IPV4_IFINDEX:
|
||||||
|| nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX) {
|
sin_gate.sin.sin_addr = nexthop->gate.ipv4;
|
||||||
sin_gate.sin6_addr = nexthop->gate.ipv6;
|
sin_gate.sin.sin_family = AF_INET;
|
||||||
gate = 1;
|
ifindex = nexthop->ifindex;
|
||||||
}
|
gate = true;
|
||||||
if (nexthop->type == NEXTHOP_TYPE_IFINDEX
|
break;
|
||||||
|| nexthop->type == NEXTHOP_TYPE_IPV6_IFINDEX)
|
case NEXTHOP_TYPE_IPV6:
|
||||||
ifindex = nexthop->ifindex;
|
case NEXTHOP_TYPE_IPV6_IFINDEX:
|
||||||
|
sin_gate.sin6.sin6_addr = nexthop->gate.ipv6;
|
||||||
if (nexthop->type == NEXTHOP_TYPE_BLACKHOLE)
|
sin_gate.sin6.sin6_family = AF_INET6;
|
||||||
bh_type = nexthop->bh_type;
|
ifindex = nexthop->ifindex;
|
||||||
}
|
/* Under kame set interface index to link local address */
|
||||||
|
|
||||||
/* Under kame set interface index to link local address. */
|
|
||||||
#ifdef KAME
|
#ifdef KAME
|
||||||
|
|
||||||
#define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
|
#define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
|
||||||
@ -340,19 +209,49 @@ static int kernel_rtm_ipv6(int cmd, const struct prefix *p,
|
|||||||
(a).s6_addr[3] = (i)&0xff; \
|
(a).s6_addr[3] = (i)&0xff; \
|
||||||
} while (0)
|
} while (0)
|
||||||
|
|
||||||
if (gate && IN6_IS_ADDR_LINKLOCAL(&sin_gate.sin6_addr))
|
if (IN6_IS_ADDR_LINKLOCAL(&sin_gate.sin6.sin6_addr))
|
||||||
SET_IN6_LINKLOCAL_IFINDEX(sin_gate.sin6_addr, ifindex);
|
SET_IN6_LINKLOCAL_IFINDEX(
|
||||||
|
sin_gate.sin6.sin6_addr,
|
||||||
|
ifindex);
|
||||||
#endif /* KAME */
|
#endif /* KAME */
|
||||||
|
|
||||||
if (gate && p->prefixlen == 128)
|
gate = true;
|
||||||
mask = NULL;
|
break;
|
||||||
else {
|
case NEXTHOP_TYPE_IFINDEX:
|
||||||
masklen2ip6(p->prefixlen, &sin_mask.sin6_addr);
|
ifindex = nexthop->ifindex;
|
||||||
sin_mask.sin6_family = AF_INET6;
|
break;
|
||||||
|
case NEXTHOP_TYPE_BLACKHOLE:
|
||||||
|
bh_type = nexthop->bh_type;
|
||||||
|
switch (p->family) {
|
||||||
|
case AFI_IP: {
|
||||||
|
struct in_addr loopback;
|
||||||
|
loopback.s_addr = htonl(INADDR_LOOPBACK);
|
||||||
|
sin_gate.sin.sin_addr = loopback;
|
||||||
|
gate = true;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case AFI_IP6:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (p->family) {
|
||||||
|
case AF_INET:
|
||||||
|
masklen2ip(p->prefixlen, &sin_mask.sin.sin_addr);
|
||||||
|
sin_mask.sin.sin_family = AF_INET;
|
||||||
|
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
|
||||||
|
sin_mask.sin.sin_len = sin_masklen(
|
||||||
|
sin_mask.sin.sin_addr);
|
||||||
|
#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
|
||||||
|
break;
|
||||||
|
case AF_INET6:
|
||||||
|
masklen2ip6(p->prefixlen, &sin_mask.sin6.sin6_addr);
|
||||||
|
sin_mask.sin6.sin6_family = AF_INET6;
|
||||||
#ifdef SIN6_LEN
|
#ifdef SIN6_LEN
|
||||||
sin_mask.sin6_len = sin6_masklen(sin_mask.sin6_addr);
|
sin_mask.sin6.sin6_len = sin6_masklen(
|
||||||
|
sin_mask.sin6.sin6_addr);
|
||||||
#endif /* SIN6_LEN */
|
#endif /* SIN6_LEN */
|
||||||
mask = &sin_mask;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
#ifdef __OpenBSD__
|
#ifdef __OpenBSD__
|
||||||
@ -361,41 +260,69 @@ static int kernel_rtm_ipv6(int cmd, const struct prefix *p,
|
|||||||
continue;
|
continue;
|
||||||
smplsp = (union sockunion *)&smpls;
|
smplsp = (union sockunion *)&smpls;
|
||||||
#endif
|
#endif
|
||||||
|
error = rtm_write(cmd, &sin_dest, &sin_mask,
|
||||||
|
gate ? &sin_gate : NULL, smplsp,
|
||||||
|
ifindex, bh_type, metric);
|
||||||
|
|
||||||
error = rtm_write(cmd, (union sockunion *)&sin_dest,
|
if (IS_ZEBRA_DEBUG_KERNEL) {
|
||||||
(union sockunion *)mask,
|
if (!gate) {
|
||||||
gate ? (union sockunion *)&sin_gate : NULL,
|
zlog_debug("%s: %s: attention! gate not found for re",
|
||||||
smplsp, ifindex, bh_type, metric);
|
__func__, prefix_buf);
|
||||||
|
} else
|
||||||
|
inet_ntop(p->family == AFI_IP ? AF_INET
|
||||||
|
: AF_INET6,
|
||||||
|
&sin_gate.sin.sin_addr,
|
||||||
|
gate_buf, INET_ADDRSTRLEN);
|
||||||
|
}
|
||||||
|
switch (error) {
|
||||||
|
/* We only flag nexthops as being in FIB if
|
||||||
|
* rtm_write() did its work. */
|
||||||
|
case ZEBRA_ERR_NOERROR:
|
||||||
|
nexthop_num++;
|
||||||
|
if (IS_ZEBRA_DEBUG_KERNEL)
|
||||||
|
zlog_debug("%s: %s: successfully did NH %s",
|
||||||
|
__func__, prefix_buf, gate_buf);
|
||||||
|
if (cmd == RTM_ADD)
|
||||||
|
SET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
|
||||||
|
break;
|
||||||
|
|
||||||
/* Update installed nexthop info on success */
|
/* The only valid case for this error is
|
||||||
if ((cmd == RTM_ADD) && (error == ZEBRA_ERR_NOERROR))
|
* kernel's failure to install a multipath
|
||||||
SET_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB);
|
* route, which is common for FreeBSD. This
|
||||||
|
* should be ignored silently, but logged as an error
|
||||||
|
* otherwise.
|
||||||
|
*/
|
||||||
|
case ZEBRA_ERR_RTEXIST:
|
||||||
|
if (cmd != RTM_ADD)
|
||||||
|
flog_err(EC_LIB_SYSTEM_CALL,
|
||||||
|
"%s: rtm_write() returned %d for command %d",
|
||||||
|
__func__, error, cmd);
|
||||||
|
continue;
|
||||||
|
|
||||||
nexthop_num++;
|
/* Note any unexpected status returns */
|
||||||
}
|
default:
|
||||||
|
flog_err(EC_LIB_SYSTEM_CALL,
|
||||||
|
"%s: %s: rtm_write() unexpectedly returned %d for command %s",
|
||||||
|
__func__,
|
||||||
|
prefix2str(p, prefix_buf,
|
||||||
|
sizeof(prefix_buf)),
|
||||||
|
error, lookup_msg(rtm_type_str, cmd, NULL));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
} /* for (ALL_NEXTHOPS(...))*/
|
||||||
|
|
||||||
/* If there is no useful nexthop then return. */
|
/* If there was no useful nexthop, then complain. */
|
||||||
if (nexthop_num == 0) {
|
if (nexthop_num == 0) {
|
||||||
if (IS_ZEBRA_DEBUG_KERNEL)
|
if (IS_ZEBRA_DEBUG_KERNEL)
|
||||||
zlog_debug("kernel_rtm_ipv6(): No useful nexthop.");
|
zlog_debug("%s: No useful nexthops were found in RIB prefix %s",
|
||||||
|
__func__, prefix2str(p, prefix_buf,
|
||||||
|
sizeof(prefix_buf)));
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
return 0; /*XXX*/
|
return 0; /*XXX*/
|
||||||
}
|
}
|
||||||
|
|
||||||
static int kernel_rtm(int cmd, const struct prefix *p,
|
|
||||||
const struct nexthop_group *ng, uint32_t metric)
|
|
||||||
{
|
|
||||||
switch (PREFIX_FAMILY(p)) {
|
|
||||||
case AF_INET:
|
|
||||||
return kernel_rtm_ipv4(cmd, p, ng, metric);
|
|
||||||
case AF_INET6:
|
|
||||||
return kernel_rtm_ipv6(cmd, p, ng, metric);
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Update or delete a prefix from the kernel,
|
* Update or delete a prefix from the kernel,
|
||||||
* using info from a dataplane context struct.
|
* using info from a dataplane context struct.
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user