From da1f2c7cffb0de4ef05a48ffd107214eb11fa45f Mon Sep 17 00:00:00 2001 From: John Lo Date: Fri, 24 Mar 2017 20:11:15 -0400 Subject: Implement MAC Flush for BD or Interface from the L2FIB Allow non-static MACs in the L2FIB which is associated with an interface or a bridge domain (BD) be flushed. MAC flush are initiated automatically when an interface is removed from a BD or when a BD is deleted. MAC flush can also be invoked manually via the following CLI: l2fib mac-flush interface l2fib mac-flush bridge-domain Change-Id: Ie33243622834810a765f48ebcd22bdb8e8fc87a4 Signed-off-by: John Lo --- src/vnet/l2/l2_input.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'src/vnet/l2/l2_input.c') diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c index 3aa5331bf7a..041ff38d131 100644 --- a/src/vnet/l2/l2_input.c +++ b/src/vnet/l2/l2_input.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -201,6 +202,9 @@ classify_and_dispatch (vlib_main_t * vm, /* Get config for the bridge domain interface */ bd_config = vec_elt_at_index (msm->bd_configs, bd_index0); + /* Save bridge domain seq_num */ + vnet_buffer (b0)->l2.bd_sn = bd_config->seq_num; + /* * Process bridge domain feature enables. * To perform learning/flooding/forwarding, the corresponding bit @@ -214,6 +218,9 @@ classify_and_dispatch (vlib_main_t * vm, /* mask out features from bitmap using packet type and bd config */ feature_bitmap = config->feature_bitmap & feat_mask; + /* Save interface seq_num */ + vnet_buffer (b0)->l2.int_sn = config->seq_num; + /* save for next feature graph nodes */ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap; @@ -561,6 +568,12 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT); ASSERT (slot == VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT); } + + /* Clear MACs learned on the interface */ + if ((config->feature_bitmap | L2INPUT_FEAT_LEARN) || + (bd_config->feature_bitmap | L2INPUT_FEAT_LEARN)) + l2fib_flush_int_mac (vm, sw_if_index); + l2_if_adjust--; } else if (config->xconnect) @@ -632,6 +645,7 @@ set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, /* */ config->xconnect = 0; config->bridge = 1; config->bd_index = bd_index; + config->seq_num += 1; /* * Enable forwarding, flooding, learning and ARP termination by default -- cgit 1.2.3-korg