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authorTom Gundersen <teg@jklm.no>2014-12-04 15:52:21 +0100
committerTom Gundersen <teg@jklm.no>2014-12-04 16:02:05 +0100
commit9e7e440835c43d81ffdbc299d2c07daaa641ed50 (patch)
tree9b55e90d4085997aeebaa738198765d2fa5bac4a /src/libsystemd/sd-rtnl
parent66bba0e701b95dc42ed53e8f0799a7e2b944c147 (diff)
networkd: add support for source routing
Diffstat (limited to 'src/libsystemd/sd-rtnl')
-rw-r--r--src/libsystemd/sd-rtnl/rtnl-message.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c
index a2f75471b4..4491a00f4f 100644
--- a/src/libsystemd/sd-rtnl/rtnl-message.c
+++ b/src/libsystemd/sd-rtnl/rtnl-message.c
@@ -114,6 +114,24 @@ int sd_rtnl_message_route_set_dst_prefixlen(sd_rtnl_message *m, unsigned char pr
return 0;
}
+int sd_rtnl_message_route_set_src_prefixlen(sd_rtnl_message *m, unsigned char prefixlen) {
+ struct rtmsg *rtm;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL);
+
+ rtm = NLMSG_DATA(m->hdr);
+
+ if ((rtm->rtm_family == AF_INET && prefixlen > 32) ||
+ (rtm->rtm_family == AF_INET6 && prefixlen > 128))
+ return -ERANGE;
+
+ rtm->rtm_src_len = prefixlen;
+
+ return 0;
+}
+
int sd_rtnl_message_route_set_scope(sd_rtnl_message *m, unsigned char scope) {
struct rtmsg *rtm;