diff options
| author | Stephen Worley <sworley@nvidia.com> | 2020-12-17 16:16:26 -0500 |
|---|---|---|
| committer | Stephen Worley <sworley@nvidia.com> | 2020-12-18 11:53:18 -0500 |
| commit | e36ea40d3bf0bec2b550bcedf75a266bf6be605f (patch) | |
| tree | 317d28beae23948b467c3c680d7c4c1ef8252126 | |
| parent | 67765a232dc6d86b3acbd3f6e4ba87cea42cca48 (diff) | |
zebra: derive rule family from src->dst->ipv4
Derive the rule family from src if available, otherwise
dst if available, otherwise assume ipv4. We only support
ipv4/ipv6 currently so it we cant tell from the src/dst
it must be ipv4 and likely a dsfield match.
Signed-off-by: Stephen Worley <sworley@nvidia.com>
| -rw-r--r-- | zebra/rule_netlink.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/zebra/rule_netlink.c b/zebra/rule_netlink.c index a63504992e..08a675ef3a 100644 --- a/zebra/rule_netlink.c +++ b/zebra/rule_netlink.c @@ -79,7 +79,15 @@ netlink_rule_msg_encode(int cmd, const struct zebra_dplane_ctx *ctx, if (buflen < sizeof(*req)) return 0; memset(req, 0, sizeof(*req)); - family = PREFIX_FAMILY(src_ip); + + /* Assume ipv4 if no src/dst set, we only support ipv4/ipv6 */ + if (PREFIX_FAMILY(src_ip)) + family = PREFIX_FAMILY(src_ip); + else if (PREFIX_FAMILY(dst_ip)) + family = PREFIX_FAMILY(dst_ip); + else + family = AF_INET; + bytelen = (family == AF_INET ? 4 : 16); req->n.nlmsg_type = cmd; |