X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fethernet%2Fnode.c;h=86676673ed34297eea0551e7bcfe4f3127a23cc8;hb=17ff3c1;hp=5305012f26d2921fe929d0e7fe26371a2540424a;hpb=0f26c5a0138ac86d7ebd197c31a09d8d624c35fe;p=vpp.git diff --git a/src/vnet/ethernet/node.c b/src/vnet/ethernet/node.c index 5305012f26d..86676673ed3 100755 --- a/src/vnet/ethernet/node.c +++ b/src/vnet/ethernet/node.c @@ -40,6 +40,8 @@ #include #include #include +#include +#include #include #include @@ -101,7 +103,8 @@ parse_header (ethernet_input_variant_t variant, e0 = (void *) (b0->data + b0->current_data); - vnet_buffer (b0)->ethernet.start_of_ethernet_header = b0->current_data; + vnet_buffer (b0)->l2_hdr_offset = b0->current_data; + b0->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID; vlib_buffer_advance (b0, sizeof (e0[0])); @@ -142,6 +145,8 @@ parse_header (ethernet_input_variant_t variant, tag = clib_net_to_host_u16 (h0->priority_cfi_and_id); *outer_id = tag & 0xfff; + if (0 == *outer_id) + *match_flags &= ~SUBINT_CONFIG_MATCH_1_TAG; *type = clib_net_to_host_u16 (h0->type); @@ -163,11 +168,12 @@ parse_header (ethernet_input_variant_t variant, vlib_buffer_advance (b0, sizeof (h0[0])); vlan_count = 2; - if (*type == ETHERNET_TYPE_VLAN) { // More than double tagged packet *match_flags = SUBINT_CONFIG_VALID | SUBINT_CONFIG_MATCH_3_TAG; + + vlib_buffer_advance (b0, sizeof (h0[0])); vlan_count = 3; // "unknown" number, aka, 3-or-more } } @@ -202,9 +208,7 @@ identify_subint (vnet_hw_interface_t * hi, if (!(*is_l2)) { ethernet_header_t *e0; - e0 = - (void *) (b0->data + - vnet_buffer (b0)->ethernet.start_of_ethernet_header); + e0 = (void *) (b0->data + vnet_buffer (b0)->l2_hdr_offset); if (!(ethernet_address_cast (e0->dst_address))) { @@ -233,10 +237,12 @@ determine_next_node (ethernet_main_t * em, } else if (is_l20) { - *next0 = em->l2_next; // record the L2 len and reset the buffer so the L2 header is preserved - u32 eth_start = vnet_buffer (b0)->ethernet.start_of_ethernet_header; + u32 eth_start = vnet_buffer (b0)->l2_hdr_offset; vnet_buffer (b0)->l2.l2_len = b0->current_data - eth_start; + *next0 = em->l2_next; + ASSERT (vnet_buffer (b0)->l2.l2_len == + ethernet_buffer_header_size (b0)); vlib_buffer_advance (b0, -ethernet_buffer_header_size (b0)); // check for common IP/MPLS ethertypes @@ -372,8 +378,8 @@ ethernet_input_inline (vlib_main_t * vm, /* Speed-path for the untagged case */ if (PREDICT_TRUE (variant == ETHERNET_INPUT_VARIANT_ETHERNET - && !ethernet_frame_is_tagged (type0) - && !ethernet_frame_is_tagged (type1))) + && !ethernet_frame_is_any_tagged_x2 (type0, + type1))) { main_intf_t *intf0; subint_config_t *subint0; @@ -397,10 +403,16 @@ ethernet_input_inline (vlib_main_t * vm, cached_is_l2 = is_l20 = subint0->flags & SUBINT_CONFIG_L2; } - vnet_buffer (b0)->ethernet.start_of_ethernet_header = - b0->current_data; - vnet_buffer (b1)->ethernet.start_of_ethernet_header = - b1->current_data; + vnet_buffer (b0)->l2_hdr_offset = b0->current_data; + vnet_buffer (b1)->l2_hdr_offset = b1->current_data; + vnet_buffer (b0)->l3_hdr_offset = + vnet_buffer (b0)->l2_hdr_offset + sizeof (ethernet_header_t); + vnet_buffer (b1)->l3_hdr_offset = + vnet_buffer (b1)->l2_hdr_offset + sizeof (ethernet_header_t); + b0->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID | + VNET_BUFFER_F_L3_HDR_OFFSET_VALID; + b1->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID | + VNET_BUFFER_F_L3_HDR_OFFSET_VALID; if (PREDICT_TRUE (is_l20 != 0)) { @@ -412,17 +424,19 @@ ethernet_input_inline (vlib_main_t * vm, else { if (!ethernet_address_cast (e0->dst_address) && + (hi->hw_address != 0) && !eth_mac_equal ((u8 *) e0, hi->hw_address)) error0 = ETHERNET_ERROR_L3_MAC_MISMATCH; if (!ethernet_address_cast (e1->dst_address) && + (hi->hw_address != 0) && !eth_mac_equal ((u8 *) e1, hi->hw_address)) error1 = ETHERNET_ERROR_L3_MAC_MISMATCH; + vlib_buffer_advance (b0, sizeof (ethernet_header_t)); determine_next_node (em, variant, 0, type0, b0, &error0, &next0); - vlib_buffer_advance (b0, sizeof (ethernet_header_t)); + vlib_buffer_advance (b1, sizeof (ethernet_header_t)); determine_next_node (em, variant, 0, type1, b1, &error1, &next1); - vlib_buffer_advance (b1, sizeof (ethernet_header_t)); } goto ship_it01; } @@ -490,9 +504,9 @@ ethernet_input_inline (vlib_main_t * vm, { len0 = vlib_buffer_length_in_chain (vm, b0) + b0->current_data - - vnet_buffer (b0)->ethernet.start_of_ethernet_header; + - vnet_buffer (b0)->l2_hdr_offset; len1 = vlib_buffer_length_in_chain (vm, b1) + b1->current_data - - vnet_buffer (b1)->ethernet.start_of_ethernet_header; + - vnet_buffer (b1)->l2_hdr_offset; stats_n_packets += 2; stats_n_bytes += len0 + len1; @@ -547,6 +561,12 @@ ethernet_input_inline (vlib_main_t * vm, &next0); determine_next_node (em, variant, is_l21, type1, b1, &error1, &next1); + vnet_buffer (b0)->l3_hdr_offset = vnet_buffer (b0)->l2_hdr_offset + + vnet_buffer (b0)->l2.l2_len; + vnet_buffer (b1)->l3_hdr_offset = vnet_buffer (b1)->l2_hdr_offset + + vnet_buffer (b1)->l2.l2_len; + b0->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID; + b1->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID; ship_it01: b0->error = error_node->errors[error0]; @@ -617,8 +637,11 @@ ethernet_input_inline (vlib_main_t * vm, cached_is_l2 = is_l20 = subint0->flags & SUBINT_CONFIG_L2; } - vnet_buffer (b0)->ethernet.start_of_ethernet_header = - b0->current_data; + vnet_buffer (b0)->l2_hdr_offset = b0->current_data; + vnet_buffer (b0)->l3_hdr_offset = + vnet_buffer (b0)->l2_hdr_offset + sizeof (ethernet_header_t); + b0->flags |= VNET_BUFFER_F_L2_HDR_OFFSET_VALID | + VNET_BUFFER_F_L3_HDR_OFFSET_VALID; if (PREDICT_TRUE (is_l20 != 0)) { @@ -628,6 +651,7 @@ ethernet_input_inline (vlib_main_t * vm, else { if (!ethernet_address_cast (e0->dst_address) && + (hi->hw_address != 0) && !eth_mac_equal ((u8 *) e0, hi->hw_address)) error0 = ETHERNET_ERROR_L3_MAC_MISMATCH; determine_next_node (em, variant, 0, type0, b0, @@ -680,7 +704,7 @@ ethernet_input_inline (vlib_main_t * vm, { len0 = vlib_buffer_length_in_chain (vm, b0) + b0->current_data - - vnet_buffer (b0)->ethernet.start_of_ethernet_header; + - vnet_buffer (b0)->l2_hdr_offset; stats_n_packets += 1; stats_n_bytes += len0; @@ -715,6 +739,9 @@ ethernet_input_inline (vlib_main_t * vm, determine_next_node (em, variant, is_l20, type0, b0, &error0, &next0); + vnet_buffer (b0)->l3_hdr_offset = vnet_buffer (b0)->l2_hdr_offset + + vnet_buffer (b0)->l2.l2_len; + b0->flags |= VNET_BUFFER_F_L3_HDR_OFFSET_VALID; ship_it0: b0->error = error_node->errors[error0]; @@ -798,7 +825,29 @@ ethernet_sw_interface_get_config (vnet_main_t * vnm, // Locate the subint for the given ethernet config si = vnet_get_sw_interface (vnm, sw_if_index); - if (si->sub.eth.flags.default_sub) + if (si->type == VNET_SW_INTERFACE_TYPE_P2P) + { + p2p_ethernet_main_t *p2pm = &p2p_main; + u32 p2pe_sw_if_index = + p2p_ethernet_lookup (hi->hw_if_index, si->p2p.client_mac); + if (p2pe_sw_if_index == ~0) + { + pool_get (p2pm->p2p_subif_pool, subint); + si->p2p.pool_index = subint - p2pm->p2p_subif_pool; + } + else + subint = vec_elt_at_index (p2pm->p2p_subif_pool, si->p2p.pool_index); + *flags = SUBINT_CONFIG_P2P; + } + else if (si->type == VNET_SW_INTERFACE_TYPE_PIPE) + { + pipe_t *pipe; + + pipe = pipe_get (sw_if_index); + subint = &pipe->subint; + *flags = SUBINT_CONFIG_P2P; + } + else if (si->sub.eth.flags.default_sub) { subint = &main_intf->default_subint; *flags = SUBINT_CONFIG_MATCH_0_TAG | @@ -1087,7 +1136,7 @@ ethernet_sw_interface_add_del (vnet_main_t * vnm, } else { - // Note that config is L3 by defaulty + // Note that config is L3 by default subint->flags = SUBINT_CONFIG_VALID | match_flags; subint->sw_if_index = ~0; // because interfaces are initially down }