diff options
Diffstat (limited to 'src/vnet/l2/l2_input.c')
| -rw-r--r-- | src/vnet/l2/l2_input.c | 47 |
1 files changed, 16 insertions, 31 deletions
diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c index c05f5cfcd2c..5d16b1ddc9e 100644 --- a/src/vnet/l2/l2_input.c +++ b/src/vnet/l2/l2_input.c @@ -156,29 +156,12 @@ classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0) * set tx sw-if-handle */ - u16 ethertype; - u8 protocol; - l2_input_config_t *config; - l2_bridge_domain_t *bd_config; - u16 bd_index0; - u32 feature_bitmap; - u32 feat_mask; - ethernet_header_t *h0; - u8 *l3h0; - u32 sw_if_index0; - -#define get_u16(addr) ( *((u16 *)(addr)) ) - - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - - h0 = vlib_buffer_get_current (b0); - l3h0 = (u8 *) h0 + vnet_buffer (b0)->l2.l2_len; - - ethertype = clib_net_to_host_u16 (get_u16 (l3h0 - 2)); - feat_mask = ~0; + u32 feat_mask = ~0; + u32 sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; + ethernet_header_t *h0 = vlib_buffer_get_current (b0); /* Get config for the input interface */ - config = vec_elt_at_index (msm->configs, sw_if_index0); + l2_input_config_t *config = vec_elt_at_index (msm->configs, sw_if_index0); /* Save split horizon group */ vnet_buffer (b0)->l2.shg = config->shg; @@ -186,7 +169,11 @@ classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0) /* determine layer2 kind for stat and mask */ if (PREDICT_FALSE (ethernet_address_cast (h0->dst_address))) { - protocol = ((ip6_header_t *) l3h0)->protocol; + u8 *l3h0 = (u8 *) h0 + vnet_buffer (b0)->l2.l2_len; + +#define get_u16(addr) ( *((u16 *)(addr)) ) + u16 ethertype = clib_net_to_host_u16 (get_u16 (l3h0 - 2)); + u8 protocol = ((ip6_header_t *) l3h0)->protocol; /* Disable bridge forwarding (flooding will execute instead if not xconnect) */ feat_mask &= ~(L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD); @@ -237,12 +224,13 @@ classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0) if (config->bridge) { /* Do bridge-domain processing */ - bd_index0 = config->bd_index; + u16 bd_index0 = config->bd_index; /* save BD ID for next feature graph nodes */ vnet_buffer (b0)->l2.bd_index = bd_index0; /* Get config for the bridge domain interface */ - bd_config = vec_elt_at_index (msm->bd_configs, bd_index0); + l2_bridge_domain_t *bd_config = + vec_elt_at_index (msm->bd_configs, bd_index0); /* Save bridge domain and interface seq_num */ /* *INDENT-OFF* */ @@ -272,7 +260,7 @@ classify_and_dispatch (l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0) feat_mask = L2INPUT_FEAT_DROP; /* mask out features from bitmap using packet type and bd config */ - feature_bitmap = config->feature_bitmap & feat_mask; + u32 feature_bitmap = config->feature_bitmap & feat_mask; /* save for next feature graph nodes */ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap; @@ -399,9 +387,6 @@ l2input_node_inline (vlib_main_t * vm, } } - vlib_node_increment_counter (vm, l2input_node.index, - L2INPUT_ERROR_L2INPUT, 4); - classify_and_dispatch (msm, b0, &next0); classify_and_dispatch (msm, b1, &next1); classify_and_dispatch (msm, b2, &next2); @@ -442,9 +427,6 @@ l2input_node_inline (vlib_main_t * vm, clib_memcpy (t->dst, h0->dst_address, 6); } - vlib_node_increment_counter (vm, l2input_node.index, - L2INPUT_ERROR_L2INPUT, 1); - classify_and_dispatch (msm, b0, &next0); /* verify speculative enqueue, maybe switch current next frame */ @@ -456,6 +438,9 @@ l2input_node_inline (vlib_main_t * vm, vlib_put_next_frame (vm, node, next_index, n_left_to_next); } + vlib_node_increment_counter (vm, l2input_node.index, + L2INPUT_ERROR_L2INPUT, frame->n_vectors); + return frame->n_vectors; } |