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Diffstat (limited to 'bgpd/bgp_nexthop.c')
-rw-r--r--bgpd/bgp_nexthop.c146
1 files changed, 90 insertions, 56 deletions
diff --git a/bgpd/bgp_nexthop.c b/bgpd/bgp_nexthop.c
index 719cb966..fdf251b2 100644
--- a/bgpd/bgp_nexthop.c
+++ b/bgpd/bgp_nexthop.c
@@ -146,7 +146,7 @@ bgp_nexthop_same (struct nexthop *next1, struct nexthop *next2)
}
static int
-bgp_nexthop_cache_changed (struct bgp_nexthop_cache *bnc1,
+bgp_nexthop_cache_different (struct bgp_nexthop_cache *bnc1,
struct bgp_nexthop_cache *bnc2)
{
int i;
@@ -171,14 +171,14 @@ bgp_nexthop_cache_changed (struct bgp_nexthop_cache *bnc1,
/* If nexthop exists on connected network return 1. */
int
-bgp_nexthop_check_ebgp (afi_t afi, struct attr *attr)
+bgp_nexthop_onlink (afi_t afi, struct attr *attr)
{
struct bgp_node *rn;
-
+
/* If zebra is not enabled return */
if (zlookup->sock < 0)
return 1;
-
+
/* Lookup the address is onlink or not. */
if (afi == AFI_IP)
{
@@ -222,7 +222,7 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed,
struct prefix p;
struct bgp_nexthop_cache *bnc;
struct attr *attr;
-
+
/* If lookup is not enabled, return valid. */
if (zlookup->sock < 0)
{
@@ -230,7 +230,7 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed,
ri->extra->igpmetric = 0;
return 1;
}
-
+
/* Only check IPv6 global address only nexthop. */
attr = ri->attr;
@@ -253,15 +253,15 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed,
}
else
{
- bnc = zlookup_query_ipv6 (&attr->extra->mp_nexthop_global);
- if (bnc)
+ if (NULL == (bnc = zlookup_query_ipv6 (&attr->extra->mp_nexthop_global)))
+ bnc = bnc_new ();
+ else
{
- struct bgp_table *old;
- struct bgp_node *oldrn;
- struct bgp_nexthop_cache *oldbnc;
-
if (changed)
{
+ struct bgp_table *old;
+ struct bgp_node *oldrn;
+
if (bgp_nexthop_cache_table[AFI_IP6] == cache1_table[AFI_IP6])
old = cache2_table[AFI_IP6];
else
@@ -270,9 +270,9 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed,
oldrn = bgp_node_lookup (old, &p);
if (oldrn)
{
- oldbnc = oldrn->info;
+ struct bgp_nexthop_cache *oldbnc = oldrn->info;
- bnc->changed = bgp_nexthop_cache_changed (bnc, oldbnc);
+ bnc->changed = bgp_nexthop_cache_different (bnc, oldbnc);
if (bnc->metric != oldbnc->metric)
bnc->metricchanged = 1;
@@ -281,11 +281,6 @@ bgp_nexthop_lookup_ipv6 (struct peer *peer, struct bgp_info *ri, int *changed,
}
}
}
- else
- {
- bnc = bnc_new ();
- bnc->valid = 0;
- }
rn->info = bnc;
}
@@ -313,7 +308,7 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri,
struct prefix p;
struct bgp_nexthop_cache *bnc;
struct in_addr addr;
-
+
/* If lookup is not enabled, return valid. */
if (zlookup->sock < 0)
{
@@ -321,7 +316,7 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri,
ri->extra->igpmetric = 0;
return 1;
}
-
+
#ifdef HAVE_IPV6
if (afi == AFI_IP6)
return bgp_nexthop_lookup_ipv6 (peer, ri, changed, metricchanged);
@@ -344,15 +339,15 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri,
}
else
{
- bnc = zlookup_query (addr);
- if (bnc)
+ if (NULL == (bnc = zlookup_query (addr)))
+ bnc = bnc_new ();
+ else
{
- struct bgp_table *old;
- struct bgp_node *oldrn;
- struct bgp_nexthop_cache *oldbnc;
-
if (changed)
{
+ struct bgp_table *old;
+ struct bgp_node *oldrn;
+
if (bgp_nexthop_cache_table[AFI_IP] == cache1_table[AFI_IP])
old = cache2_table[AFI_IP];
else
@@ -361,9 +356,9 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri,
oldrn = bgp_node_lookup (old, &p);
if (oldrn)
{
- oldbnc = oldrn->info;
+ struct bgp_nexthop_cache *oldbnc = oldrn->info;
- bnc->changed = bgp_nexthop_cache_changed (bnc, oldbnc);
+ bnc->changed = bgp_nexthop_cache_different (bnc, oldbnc);
if (bnc->metric != oldbnc->metric)
bnc->metricchanged = 1;
@@ -372,11 +367,6 @@ bgp_nexthop_lookup (afi_t afi, struct peer *peer, struct bgp_info *ri,
}
}
}
- else
- {
- bnc = bnc_new ();
- bnc->valid = 0;
- }
rn->info = bnc;
}
@@ -462,7 +452,7 @@ bgp_scan (afi_t afi, safi_t safi)
metricchanged = 0;
if (peer_sort (bi->peer) == BGP_PEER_EBGP && bi->peer->ttl == 1)
- valid = bgp_nexthop_check_ebgp (afi, bi->attr);
+ valid = bgp_nexthop_onlink (afi, bi->attr);
else
valid = bgp_nexthop_lookup (afi, bi->peer, bi,
&changed, &metricchanged);
@@ -1098,12 +1088,7 @@ zlookup_connect (struct thread *t)
if (zlookup->sock != -1)
return 0;
-#ifdef HAVE_TCP_ZEBRA
- zlookup->sock = zclient_socket ();
-#else
- zlookup->sock = zclient_socket_un (ZEBRA_SERV_PATH);
-#endif /* HAVE_TCP_ZEBRA */
- if (zlookup->sock < 0)
+ if (zclient_socket_connect (zlookup) < 0)
return -1;
return 0;
@@ -1201,16 +1186,13 @@ ALIAS (no_bgp_scan_time,
"Configure background scanner interval\n"
"Scanner interval (seconds)\n")
-DEFUN (show_ip_bgp_scan,
- show_ip_bgp_scan_cmd,
- "show ip bgp scan",
- SHOW_STR
- IP_STR
- BGP_STR
- "BGP scan status\n")
+static int
+show_ip_bgp_scan_tables (struct vty *vty, const char detail)
{
struct bgp_node *rn;
struct bgp_nexthop_cache *bnc;
+ char buf[INET6_ADDRSTRLEN];
+ u_char i;
if (bgp_scan_thread)
vty_out (vty, "BGP scan is running%s", VTY_NEWLINE);
@@ -1223,28 +1205,57 @@ DEFUN (show_ip_bgp_scan,
if ((bnc = rn->info) != NULL)
{
if (bnc->valid)
+ {
vty_out (vty, " %s valid [IGP metric %d]%s",
- inet_ntoa (rn->p.u.prefix4), bnc->metric, VTY_NEWLINE);
+ inet_ntop (AF_INET, &rn->p.u.prefix4, buf, INET6_ADDRSTRLEN), bnc->metric, VTY_NEWLINE);
+ if (detail)
+ for (i = 0; i < bnc->nexthop_num; i++)
+ switch (bnc->nexthop[i].type)
+ {
+ case NEXTHOP_TYPE_IPV4:
+ vty_out (vty, " gate %s%s", inet_ntop (AF_INET, &bnc->nexthop[i].gate.ipv4, buf, INET6_ADDRSTRLEN), VTY_NEWLINE);
+ break;
+ case NEXTHOP_TYPE_IFINDEX:
+ vty_out (vty, " ifidx %u%s", bnc->nexthop[i].ifindex, VTY_NEWLINE);
+ break;
+ default:
+ vty_out (vty, " invalid nexthop type %u%s", bnc->nexthop[i].type, VTY_NEWLINE);
+ }
+ }
else
vty_out (vty, " %s invalid%s",
- inet_ntoa (rn->p.u.prefix4), VTY_NEWLINE);
+ inet_ntop (AF_INET, &rn->p.u.prefix4, buf, INET6_ADDRSTRLEN), VTY_NEWLINE);
}
#ifdef HAVE_IPV6
{
- char buf[BUFSIZ];
for (rn = bgp_table_top (bgp_nexthop_cache_table[AFI_IP6]);
rn;
rn = bgp_route_next (rn))
if ((bnc = rn->info) != NULL)
{
if (bnc->valid)
+ {
vty_out (vty, " %s valid [IGP metric %d]%s",
- inet_ntop (AF_INET6, &rn->p.u.prefix6, buf, BUFSIZ),
+ inet_ntop (AF_INET6, &rn->p.u.prefix6, buf, INET6_ADDRSTRLEN),
bnc->metric, VTY_NEWLINE);
+ if (detail)
+ for (i = 0; i < bnc->nexthop_num; i++)
+ switch (bnc->nexthop[i].type)
+ {
+ case NEXTHOP_TYPE_IPV6:
+ vty_out (vty, " gate %s%s", inet_ntop (AF_INET6, &bnc->nexthop[i].gate.ipv6, buf, INET6_ADDRSTRLEN), VTY_NEWLINE);
+ break;
+ case NEXTHOP_TYPE_IFINDEX:
+ vty_out (vty, " ifidx %u%s", bnc->nexthop[i].ifindex, VTY_NEWLINE);
+ break;
+ default:
+ vty_out (vty, " invalid nexthop type %u%s", bnc->nexthop[i].type, VTY_NEWLINE);
+ }
+ }
else
vty_out (vty, " %s invalid%s",
- inet_ntop (AF_INET6, &rn->p.u.prefix6, buf, BUFSIZ),
+ inet_ntop (AF_INET6, &rn->p.u.prefix6, buf, INET6_ADDRSTRLEN),
VTY_NEWLINE);
}
}
@@ -1260,14 +1271,12 @@ DEFUN (show_ip_bgp_scan,
#ifdef HAVE_IPV6
{
- char buf[BUFSIZ];
-
for (rn = bgp_table_top (bgp_connected_table[AFI_IP6]);
rn;
rn = bgp_route_next (rn))
if (rn->info != NULL)
vty_out (vty, " %s/%d%s",
- inet_ntop (AF_INET6, &rn->p.u.prefix6, buf, BUFSIZ),
+ inet_ntop (AF_INET6, &rn->p.u.prefix6, buf, INET6_ADDRSTRLEN),
rn->p.prefixlen,
VTY_NEWLINE);
}
@@ -1276,6 +1285,29 @@ DEFUN (show_ip_bgp_scan,
return CMD_SUCCESS;
}
+DEFUN (show_ip_bgp_scan,
+ show_ip_bgp_scan_cmd,
+ "show ip bgp scan",
+ SHOW_STR
+ IP_STR
+ BGP_STR
+ "BGP scan status\n")
+{
+ return show_ip_bgp_scan_tables (vty, 0);
+}
+
+DEFUN (show_ip_bgp_scan_detail,
+ show_ip_bgp_scan_detail_cmd,
+ "show ip bgp scan detail",
+ SHOW_STR
+ IP_STR
+ BGP_STR
+ "BGP scan status\n"
+ "More detailed output\n")
+{
+ return show_ip_bgp_scan_tables (vty, 1);
+}
+
int
bgp_config_write_scan_time (struct vty *vty)
{
@@ -1317,8 +1349,10 @@ bgp_scan_init (void)
install_element (BGP_NODE, &no_bgp_scan_time_cmd);
install_element (BGP_NODE, &no_bgp_scan_time_val_cmd);
install_element (VIEW_NODE, &show_ip_bgp_scan_cmd);
+ install_element (VIEW_NODE, &show_ip_bgp_scan_detail_cmd);
install_element (RESTRICTED_NODE, &show_ip_bgp_scan_cmd);
install_element (ENABLE_NODE, &show_ip_bgp_scan_cmd);
+ install_element (ENABLE_NODE, &show_ip_bgp_scan_detail_cmd);
}
void
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-01 01:34:24 +0000