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authorNeale Ranns <neale.ranns@cisco.com>2018-02-09 06:05:16 -0800
committerDamjan Marion <dmarion.lists@gmail.com>2018-02-12 11:23:33 +0000
commitffd78d1ef8fe80d1b756a71d42d5eadda60ae996 (patch)
tree99770e8773a7c3dd27c8b9b116edb6a39ace09ea /src/vnet/interface_cli.c
parent2d6f66e1748be190664cbd72c826db32616d759a (diff)
Improve MTU handling
- setting MTU on an interface updates the L3 max bytes too - value cached in the adjacency is also updated - MTU exceeded generates ICMP to sender Change-Id: I343ec71d8e903b529594c4bd0543f04bc7f370b3 Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Diffstat (limited to 'src/vnet/interface_cli.c')
-rw-r--r--src/vnet/interface_cli.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c
index 5509e3ffa57..8880d9749b8 100644
--- a/src/vnet/interface_cli.c
+++ b/src/vnet/interface_cli.c
@@ -1132,7 +1132,6 @@ mtu_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
vnet_main_t *vnm = vnet_get_main ();
u32 hw_if_index, mtu;
- u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
ethernet_main_t *em = &ethernet_main;
if (unformat (input, "%d %U", &mtu,
@@ -1153,11 +1152,7 @@ mtu_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
return clib_error_return (0, "Invalid mtu (%d): must be <= (%d)", mtu,
hi->max_supported_packet_bytes);
- if (hi->max_packet_bytes != mtu)
- {
- hi->max_packet_bytes = mtu;
- ethernet_set_flags (vnm, hw_if_index, flags);
- }
+ vnet_hw_interface_set_mtu (vnm, hw_if_index, mtu);
}
else
return clib_error_return (0, "unknown input `%U'",