diff options
Diffstat (limited to 'src/vnet/l2')
| -rw-r--r-- | src/vnet/l2/l2_bvi.h | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/src/vnet/l2/l2_bvi.h b/src/vnet/l2/l2_bvi.h index d7d410b06ab..300ea81bbf0 100644 --- a/src/vnet/l2/l2_bvi.h +++ b/src/vnet/l2/l2_bvi.h @@ -28,6 +28,27 @@ #define TO_BVI_ERR_BAD_MAC 1 #define TO_BVI_ERR_ETHERTYPE 2 +static_always_inline u32 +l2_to_bvi_dmac_check (vnet_hw_interface_t * hi, u8 * dmac, + ethernet_interface_t * ei, u8 have_sec_dmac) +{ + mac_address_t *sec_addr; + + if (ethernet_mac_address_equal (dmac, hi->hw_address)) + return TO_BVI_ERR_OK; + + if (have_sec_dmac) + { + vec_foreach (sec_addr, ei->secondary_addrs) + { + if (ethernet_mac_address_equal (dmac, (u8 *) sec_addr)) + return TO_BVI_ERR_OK; + } + } + + return TO_BVI_ERR_BAD_MAC; +} + /** * Send a packet from L2 processing to L3 via the BVI interface. * Set next0 to the proper L3 input node. @@ -40,14 +61,26 @@ l2_to_bvi (vlib_main_t * vlib_main, vlib_buffer_t * b0, u32 bvi_sw_if_index, next_by_ethertype_t * l3_next, u16 * next0) { + ethernet_main_t *em = ðernet_main; + /* Perform L3 my-mac filter */ ethernet_header_t *e0 = vlib_buffer_get_current (b0); if (!ethernet_address_cast (e0->dst_address)) { vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnet_main, bvi_sw_if_index); - if (!ethernet_mac_address_equal (e0->dst_address, hi->hw_address)) - return TO_BVI_ERR_BAD_MAC; + ethernet_interface_t *ei = ethernet_get_interface (em, hi->hw_if_index); + u32 rv; + + if (PREDICT_FALSE (vec_len (ei->secondary_addrs) > 0)) + rv = l2_to_bvi_dmac_check (hi, e0->dst_address, ei, + 1 /* have_sec_dmac */ ); + else + rv = l2_to_bvi_dmac_check (hi, e0->dst_address, ei, + 0 /* have_sec_dmac */ ); + + if (rv != TO_BVI_ERR_OK) + return rv; } /* Save L2 header position which may be changed due to packet replication */ |