diff options
| author | Timo Teräs <timo.teras@iki.fi> | 2015-11-02 15:50:07 +0100 |
|---|---|---|
| committer | Donald Sharp <sharpd@cumulusnetworks.com> | 2016-08-21 19:11:42 +0200 |
| commit | c50ca33acf29bb269e8f26be19a8ccd06ab41d3e (patch) | |
| tree | 82c05cf8767f6b9096a58d57f5fed9bf8c82e8ef /zebra/zserv.c | |
| parent | zebra: Fix cherry-pick of ZEBRA_FLAG_CHANGED (diff) | |
| download | frr-c50ca33acf29bb269e8f26be19a8ccd06ab41d3e.tar.xz frr-c50ca33acf29bb269e8f26be19a8ccd06ab41d3e.zip | |
zebra: implement per-route mtu handling
This commits allow overriding MTU using netlink attributes on
per-route basis. This is useful for routing protocols that can
advertice prefix specific MTUs between routers (e.g. NHRP).
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
(cherry picked from commit b11f3b54c842117e22e2f5cf1561ea34eee8dfcc)
Diffstat (limited to 'zebra/zserv.c')
| -rw-r--r-- | zebra/zserv.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/zebra/zserv.c b/zebra/zserv.c index a1fe9bc18..84881e14a 100644 --- a/zebra/zserv.c +++ b/zebra/zserv.c @@ -695,6 +695,8 @@ zsend_redistribute_route (int cmd, struct zserv *client, struct prefix *p, SET_FLAG(zapi_flags, ZAPI_MESSAGE_TAG); stream_putw(s, rib->tag); } + SET_FLAG (zapi_flags, ZAPI_MESSAGE_MTU); + stream_putl (s, rib->mtu); } /* write real message flags value */ @@ -1264,6 +1266,11 @@ zread_ipv4_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) else rib->tag = 0; + if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) + rib->mtu = stream_getl (s); + else + rib->mtu = 0; + /* Table */ rib->table = zvrf->table_id; @@ -1518,6 +1525,11 @@ zread_ipv4_route_ipv6_nexthop_add (struct zserv *client, u_short length, struct else rib->tag = 0; + if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) + rib->mtu = stream_getl (s); + else + rib->mtu = 0; + /* Table */ rib->table = zvrf->table_id; @@ -1636,6 +1648,11 @@ zread_ipv6_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) else rib->tag = 0; + if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) + rib->mtu = stream_getl (s); + else + rib->mtu = 0; + /* VRF ID */ rib->vrf_id = zvrf->vrf_id; rib->table = zvrf->table_id; |