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authorJohn Lo <loj@cisco.com>2020-05-12 22:34:39 -0400
committerDamjan Marion <dmarion@me.com>2020-05-27 17:27:27 +0000
commit4a302ee7c75f3d4fd1a73a9d1f6c34b3bde8d620 (patch)
tree46afc10a5fb0edc511b18ab8cac176458a9e59c0 /src/vnet/mpls/interface.c
parent94f3295d3807ccadbadbc863640af4fc4c224d7f (diff)
ethernet: fix DMAC check and skip unnecessary ones (VPP-1868)
Fix and optimize DMAC check in ethernet-input node to utilize NIC or driver which support L3 DMAC-filtering mode so that DMAC check can be bypassed safely for interfaces/sub-interfaces in L3 mode. Checking of interface in L3-DMAC-filtering state to avoid DMAC check require the following: a) Fix interface driver init sequence for devices which supports L3 DMAC-filtering to indicate its capability and initialize interface to L3 DMAC-filtering state. b) Fix ethernet_set_flags() function and its associated callback flags_change() functions registered by various drivers in interface infra to provide proper L3 DMAC filtering status. Maintain interface/sub-interface L3 config count so DMAC checks can be bypassed if L3 forwarding is not setup on any main/sub-interfaces. Type: fix Ticket: VPP-1868 Signed-off-by: John Lo <loj@cisco.com> Change-Id: I204d90459c13e9e486cfcba4e64e3d479bc9f2ae
Diffstat (limited to 'src/vnet/mpls/interface.c')
-rw-r--r--src/vnet/mpls/interface.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/vnet/mpls/interface.c b/src/vnet/mpls/interface.c
index 46d80f07a38..0742312aa2c 100644
--- a/src/vnet/mpls/interface.c
+++ b/src/vnet/mpls/interface.c
@@ -42,6 +42,8 @@ mpls_sw_interface_enable_disable (mpls_main_t * mm,
u8 is_api)
{
fib_node_index_t lfib_index;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
vec_validate_init_empty (mm->mpls_enabled_by_sw_if_index, sw_if_index, 0);
@@ -79,6 +81,11 @@ mpls_sw_interface_enable_disable (mpls_main_t * mm,
vnet_feature_enable_disable ("mpls-input", "mpls-not-enabled",
sw_if_index, !is_enable, 0, 0);
+ if (is_enable)
+ hi->l3_if_count++;
+ else if (hi->l3_if_count)
+ hi->l3_if_count--;
+
return (0);
}