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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 /extras/deprecated/ixge/ixge.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 'extras/deprecated/ixge/ixge.c')
-rw-r--r--extras/deprecated/ixge/ixge.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/extras/deprecated/ixge/ixge.c b/extras/deprecated/ixge/ixge.c
index 6ab79c9872c..471fbedb92f 100644
--- a/extras/deprecated/ixge/ixge.c
+++ b/extras/deprecated/ixge/ixge.c
@@ -2605,10 +2605,12 @@ ixge_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags)
old = r->filter_control;
- if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
+ if (flags == ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
r->filter_control = old | (1 << 9) /* unicast promiscuous */ ;
- else
+ else if (flags == ETHERNET_INTERFACE_FLAGS_DEFAULT_L3)
r->filter_control = old & ~(1 << 9);
+ else
+ return ~0;
return old;
}