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Diffstat (limited to 'zebra/rt_netlink.c')
-rw-r--r--zebra/rt_netlink.c93
1 files changed, 47 insertions, 46 deletions
diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index e40bf45f59..2f675e2d5a 100644
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -1111,7 +1111,8 @@ static int build_label_stack(struct mpls_label_stack *nh_label,
* @param nlmsg: nlmsghdr structure to fill in.
* @param req_size: The size allocated for the message.
*/
-static void _netlink_route_build_singlepath(const char *routedesc, int bytelen,
+static void _netlink_route_build_singlepath(const struct prefix *p,
+ const char *routedesc, int bytelen,
const struct nexthop *nexthop,
struct nlmsghdr *nlmsg,
struct rtmsg *rtmsg,
@@ -1176,9 +1177,8 @@ static void _netlink_route_build_singlepath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- " 5549: _netlink_route_build_singlepath() (%s): "
- "nexthop via %s %s if %u(%u)",
- routedesc, ipv4_ll_buf, label_buf,
+ " 5549: _netlink_route_build_singlepath() (%s): %pFX nexthop via %s %s if %u(%u)",
+ routedesc, p, ipv4_ll_buf, label_buf,
nexthop->ifindex, nexthop->vrf_id);
return;
}
@@ -1202,9 +1202,8 @@ static void _netlink_route_build_singlepath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- "netlink_route_multipath() (%s): "
- "nexthop via %s %s if %u(%u)",
- routedesc, inet_ntoa(nexthop->gate.ipv4),
+ "netlink_route_multipath() (%s): %pFX nexthop via %s %s if %u(%u)",
+ routedesc, p, inet_ntoa(nexthop->gate.ipv4),
label_buf, nexthop->ifindex, nexthop->vrf_id);
}
@@ -1225,9 +1224,8 @@ static void _netlink_route_build_singlepath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- "netlink_route_multipath() (%s): "
- "nexthop via %s %s if %u(%u)",
- routedesc, inet6_ntoa(nexthop->gate.ipv6),
+ "netlink_route_multipath() (%s): %pFX nexthop via %s %s if %u(%u)",
+ routedesc, p, inet6_ntoa(nexthop->gate.ipv6),
label_buf, nexthop->ifindex, nexthop->vrf_id);
}
@@ -1251,9 +1249,9 @@ static void _netlink_route_build_singlepath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- "netlink_route_multipath() (%s): "
- "nexthop via if %u(%u)",
- routedesc, nexthop->ifindex, nexthop->vrf_id);
+ "netlink_route_multipath() (%s): %pFX nexthop via if %u(%u)",
+ routedesc, p, nexthop->ifindex,
+ nexthop->vrf_id);
}
}
@@ -1273,12 +1271,11 @@ static void _netlink_route_build_singlepath(const char *routedesc, int bytelen,
* @param src: pointer pointing to a location where
* the prefsrc should be stored.
*/
-static void _netlink_route_build_multipath(const char *routedesc, int bytelen,
- const struct nexthop *nexthop,
- struct rtattr *rta,
- struct rtnexthop *rtnh,
- struct rtmsg *rtmsg,
- const union g_addr **src)
+static void
+_netlink_route_build_multipath(const struct prefix *p, const char *routedesc,
+ int bytelen, const struct nexthop *nexthop,
+ struct rtattr *rta, struct rtnexthop *rtnh,
+ struct rtmsg *rtmsg, const union g_addr **src)
{
mpls_lse_t out_lse[MPLS_MAX_LABELS];
char label_buf[256];
@@ -1340,6 +1337,8 @@ static void _netlink_route_build_multipath(const char *routedesc, int bytelen,
bytelen);
rtnh->rtnh_len += sizeof(struct rtattr) + bytelen;
rtnh->rtnh_ifindex = nexthop->ifindex;
+ if (nexthop->weight)
+ rtnh->rtnh_hops = nexthop->weight - 1;
if (nexthop->rmap_src.ipv4.s_addr != INADDR_ANY)
*src = &nexthop->rmap_src;
@@ -1348,9 +1347,8 @@ static void _netlink_route_build_multipath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- " 5549: netlink_route_build_multipath() (%s): "
- "nexthop via %s %s if %u",
- routedesc, ipv4_ll_buf, label_buf,
+ " 5549: netlink_route_build_multipath() (%s): %pFX nexthop via %s %s if %u",
+ routedesc, p, ipv4_ll_buf, label_buf,
nexthop->ifindex);
return;
}
@@ -1367,9 +1365,8 @@ static void _netlink_route_build_multipath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- "netlink_route_multipath() (%s): "
- "nexthop via %s %s if %u",
- routedesc, inet_ntoa(nexthop->gate.ipv4),
+ "netlink_route_multipath() (%s): %pFX nexthop via %s %s if %u",
+ routedesc, p, inet_ntoa(nexthop->gate.ipv4),
label_buf, nexthop->ifindex);
}
if (nexthop->type == NEXTHOP_TYPE_IPV6
@@ -1385,9 +1382,8 @@ static void _netlink_route_build_multipath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- "netlink_route_multipath() (%s): "
- "nexthop via %s %s if %u",
- routedesc, inet6_ntoa(nexthop->gate.ipv6),
+ "netlink_route_multipath() (%s): %pFX nexthop via %s %s if %u",
+ routedesc, p, inet6_ntoa(nexthop->gate.ipv6),
label_buf, nexthop->ifindex);
}
@@ -1408,16 +1404,16 @@ static void _netlink_route_build_multipath(const char *routedesc, int bytelen,
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
- "netlink_route_multipath() (%s): "
- "nexthop via if %u",
- routedesc, nexthop->ifindex);
+ "netlink_route_multipath() (%s): %pFX nexthop via if %u",
+ routedesc, p, nexthop->ifindex);
}
if (nexthop->weight)
rtnh->rtnh_hops = nexthop->weight - 1;
}
-static inline void _netlink_mpls_build_singlepath(const char *routedesc,
+static inline void _netlink_mpls_build_singlepath(const struct prefix *p,
+ const char *routedesc,
const zebra_nhlfe_t *nhlfe,
struct nlmsghdr *nlmsg,
struct rtmsg *rtmsg,
@@ -1428,23 +1424,24 @@ static inline void _netlink_mpls_build_singlepath(const char *routedesc,
family = NHLFE_FAMILY(nhlfe);
bytelen = (family == AF_INET ? 4 : 16);
- _netlink_route_build_singlepath(routedesc, bytelen, nhlfe->nexthop,
+ _netlink_route_build_singlepath(p, routedesc, bytelen, nhlfe->nexthop,
nlmsg, rtmsg, req_size, cmd);
}
static inline void
-_netlink_mpls_build_multipath(const char *routedesc, const zebra_nhlfe_t *nhlfe,
- struct rtattr *rta, struct rtnexthop *rtnh,
- struct rtmsg *rtmsg, const union g_addr **src)
+_netlink_mpls_build_multipath(const struct prefix *p, const char *routedesc,
+ const zebra_nhlfe_t *nhlfe, struct rtattr *rta,
+ struct rtnexthop *rtnh, struct rtmsg *rtmsg,
+ const union g_addr **src)
{
int bytelen;
uint8_t family;
family = NHLFE_FAMILY(nhlfe);
bytelen = (family == AF_INET ? 4 : 16);
- _netlink_route_build_multipath(routedesc, bytelen, nhlfe->nexthop, rta,
- rtnh, rtmsg, src);
+ _netlink_route_build_multipath(p, routedesc, bytelen, nhlfe->nexthop,
+ rta, rtnh, rtmsg, src);
}
@@ -1644,6 +1641,10 @@ static int netlink_route_multipath(int cmd, struct zebra_dplane_ctx *ctx)
}
if (kernel_nexthops_supported()) {
+ if (IS_ZEBRA_DEBUG_KERNEL)
+ zlog_debug(
+ "netlink_route_multipath(): %pFX nhg_id is %u",
+ p, dplane_ctx_get_nhe_id(ctx));
/* Kernel supports nexthop objects */
addattr32(&req.n, sizeof(req), RTA_NH_ID,
dplane_ctx_get_nhe_id(ctx));
@@ -1730,7 +1731,7 @@ static int netlink_route_multipath(int cmd, struct zebra_dplane_ctx *ctx)
: "single-path";
_netlink_route_build_singlepath(
- routedesc, bytelen, nexthop, &req.n,
+ p, routedesc, bytelen, nexthop, &req.n,
&req.r, sizeof(req), cmd);
nexthop_num++;
break;
@@ -1800,8 +1801,8 @@ static int netlink_route_multipath(int cmd, struct zebra_dplane_ctx *ctx)
nexthop_num++;
_netlink_route_build_multipath(
- routedesc, bytelen, nexthop, rta, rtnh,
- &req.r, &src1);
+ p, routedesc, bytelen, nexthop, rta,
+ rtnh, &req.r, &src1);
rtnh = RTNH_NEXT(rtnh);
if (!setsrc && src1) {
@@ -3464,6 +3465,7 @@ int netlink_mpls_multipath(int cmd, struct zebra_dplane_ctx *ctx)
unsigned int nexthop_num;
const char *routedesc;
int route_type;
+ struct prefix p = {0};
struct {
struct nlmsghdr n;
@@ -3550,8 +3552,7 @@ int netlink_mpls_multipath(int cmd, struct zebra_dplane_ctx *ctx)
NEXTHOP_FLAG_FIB)))) {
/* Add the gateway */
_netlink_mpls_build_singlepath(
- routedesc, nhlfe,
- &req.n, &req.r,
+ &p, routedesc, nhlfe, &req.n, &req.r,
sizeof(req), cmd);
nexthop_num++;
@@ -3591,9 +3592,9 @@ int netlink_mpls_multipath(int cmd, struct zebra_dplane_ctx *ctx)
nexthop_num++;
/* Build the multipath */
- _netlink_mpls_build_multipath(routedesc, nhlfe,
- rta, rtnh, &req.r,
- &src1);
+ _netlink_mpls_build_multipath(&p, routedesc,
+ nhlfe, rta, rtnh,
+ &req.r, &src1);
rtnh = RTNH_NEXT(rtnh);
}
}