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authorOle Troan <ot@cisco.com>2018-06-07 10:17:57 +0200
committerDamjan Marion <dmarion@me.com>2018-06-11 10:25:59 +0000
commitd723161e038d00e59766aa67a6a0dcc350227e4b (patch)
tree24f5a1d87ebdc0012f28d42aa80a9f5d760073bf /src/vnet/adj/adj.c
parentf4fd0d4217ab6c41fe6b093871bd40ac130e6486 (diff)
MTU: Software interface / Per-protocol MTU support
This patch separates setting of hardware interfaec and software interface MTU. Software MTU is L2 payload MTU (i.e. not including L2 header). Per-protocol MTU for IPv4, IPv6 and MPLS can also be set. Currently only IP4, IP6 are enabled in adjacency / rewrite code. Documentation in src/vnet/MTU.md Change-Id: Iee2fd6f0bbc8210748dd8e073ab9fab87d323690 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vnet/adj/adj.c')
-rw-r--r--src/vnet/adj/adj.c27
1 files changed, 5 insertions, 22 deletions
diff --git a/src/vnet/adj/adj.c b/src/vnet/adj/adj.c
index abfe8729b39..0de3fc8b775 100644
--- a/src/vnet/adj/adj.c
+++ b/src/vnet/adj/adj.c
@@ -347,36 +347,19 @@ adj_mtu_update_walk_cb (adj_index_t ai,
adj = adj_get(ai);
- vnet_rewrite_update_mtu (vnet_get_main(),
+ vnet_rewrite_update_mtu (vnet_get_main(), adj->ia_link,
&adj->rewrite_header);
return (ADJ_WALK_RC_CONTINUE);
}
-static walk_rc_t
-adj_sw_mtu_update (vnet_main_t * vnm,
- u32 sw_if_index,
- void *ctx)
+static void
+adj_mtu_update (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
{
- /*
- * Walk all the adjacencies on the interface to update the cached MTU
- */
- adj_walk (sw_if_index, adj_mtu_update_walk_cb, NULL);
-
- return (WALK_CONTINUE);
+ adj_walk (sw_if_index, adj_mtu_update_walk_cb, NULL);
}
-void
-adj_mtu_update (u32 hw_if_index)
-{
- /*
- * Walk all the SW interfaces on the HW interface to update the cached MTU
- */
- vnet_hw_interface_walk_sw(vnet_get_main(),
- hw_if_index,
- adj_sw_mtu_update,
- NULL);
-}
+VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(adj_mtu_update);
/**
* @brief Walk the Adjacencies on a given interface