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Merge branch 'cmaster' of ssh://stash.cumulusnetworks.com:7999/quag/quagga into cmaster

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This commit is contained in:
Dinesh G Dutt 2015-09-16 08:39:54 -07:00
commit 9246e792aa
5 changed files with 28 additions and 4 deletions
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2
bgpd/Makefile.am
View File

@ -1,7 +1,7 @@
## Process this file with automake to produce Makefile.in.
INCLUDES = @INCLUDES@ -I.. -I$(top_srcdir) -I$(top_srcdir)/lib -I$(top_builddir)/lib
DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\"
DEFS = @DEFS@ -DSYSCONFDIR=\"$(sysconfdir)/\" -DMULTIPATH_NUM=@MULTIPATH_NUM@
INSTALL_SDATA=@INSTALL@ -m 600
AM_CFLAGS = $(PICFLAGS) $(WERROR)

5
bgpd/bgp_vty.c
View File

@ -1011,6 +1011,11 @@ bgp_maxpaths_config_vty (struct vty *vty, int peer_type, const char *mpaths,
bgp_recalculate_all_bestpaths (bgp);
if ((MULTIPATH_NUM != 0) && (maxpaths > MULTIPATH_NUM))
vty_out (vty,
"%% Warning: maximum-paths set to %d is greater than %d that zebra is compiled to support%s",
maxpaths, MULTIPATH_NUM, VTY_NEWLINE);
return CMD_SUCCESS;
}

7
zebra/rt_netlink.c
View File

@ -780,7 +780,6 @@ netlink_routing_table (struct sockaddr_nl *snl, struct nlmsghdr *h)
if (len < (int) sizeof (*rtnh) || rtnh->rtnh_len > len)
break;
rib->nexthop_num++;
index = rtnh->rtnh_ifindex;
gate = 0;
if (rtnh->rtnh_len > sizeof (*rtnh))
@ -806,6 +805,8 @@ netlink_routing_table (struct sockaddr_nl *snl, struct nlmsghdr *h)
rtnh = RTNH_NEXT(rtnh);
}
zserv_nexthop_num_warn(__func__, (const struct prefix *)&p,
rib->nexthop_num);
if (rib->nexthop_num == 0)
XFREE (MTYPE_RIB, rib);
else
@ -983,7 +984,6 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
if (len < (int) sizeof (*rtnh) || rtnh->rtnh_len > len)
break;
rib->nexthop_num++;
index = rtnh->rtnh_ifindex;
gate = 0;
if (rtnh->rtnh_len > sizeof (*rtnh))
@ -1009,6 +1009,9 @@ netlink_route_change (struct sockaddr_nl *snl, struct nlmsghdr *h)
rtnh = RTNH_NEXT(rtnh);
}
zserv_nexthop_num_warn(__func__, (const struct prefix *)&p,
rib->nexthop_num);
if (rib->nexthop_num == 0)
XFREE (MTYPE_RIB, rib);
else

17
zebra/zserv.c
View File

@ -1015,6 +1015,18 @@ zread_interface_delete (struct zserv *client, u_short length)
return 0;
}
void
zserv_nexthop_num_warn (const char *caller, const struct prefix *p, const u_char nexthop_num)
{
if ((MULTIPATH_NUM != 0) && (nexthop_num > MULTIPATH_NUM))
{
char buff[80];
prefix2str(p, buff, 80);
zlog_warn("%s: Prefix %s has %d nexthops, but we can only use the first %d",
caller, buff, nexthop_num, MULTIPATH_NUM);
}
}
/* This function support multiple nexthop. */
/*
* Parse the ZEBRA_IPV4_ROUTE_ADD sent from client. Update rib and
@ -1060,6 +1072,7 @@ zread_ipv4_add (struct zserv *client, u_short length)
if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP))
{
nexthop_num = stream_getc (s);
zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num);
for (i = 0; i < nexthop_num; i++)
{
@ -1295,6 +1308,7 @@ zread_ipv4_route_ipv6_nexthop_add (struct zserv *client, u_short length)
int max_nh_if = 0;
nexthop_num = stream_getc (s);
zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num);
for (i = 0; i < nexthop_num; i++)
{
nexthop_type = stream_getc (s);
@ -1415,7 +1429,8 @@ zread_ipv6_add (struct zserv *client, u_short length)
int max_nh_if = 0;
nexthop_num = stream_getc (s);
for (i = 0; i < nexthop_num; i++)
zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num);
for (i = 0; i < nexthop_num; i++)
{
nexthop_type = stream_getc (s);

1
zebra/zserv.h
View File

@ -155,6 +155,7 @@ extern int zsend_router_id_update(struct zserv *, struct prefix *);
extern pid_t pid;
extern void zserv_create_header(struct stream *s, uint16_t cmd);
extern void zserv_nexthop_num_warn(const char *, const struct prefix *, const u_char);
extern int zebra_server_send_message(struct zserv *client);
extern void zebra_route_map_write_delay_timer(struct vty *);