diff options
Diffstat (limited to 'src/vnet/vxlan-gpe/decap.c')
| -rw-r--r-- | src/vnet/vxlan-gpe/decap.c | 1239 |
1 files changed, 652 insertions, 587 deletions
diff --git a/src/vnet/vxlan-gpe/decap.c b/src/vnet/vxlan-gpe/decap.c index 1b3a8b00fc7..151ffa3fcc9 100644 --- a/src/vnet/vxlan-gpe/decap.c +++ b/src/vnet/vxlan-gpe/decap.c @@ -30,7 +30,8 @@ vlib_node_registration_t vxlan_gpe_input_node; * @brief Struct for VXLAN GPE decap packet tracing * */ -typedef struct { +typedef struct +{ u32 next_index; u32 tunnel_index; u32 error; @@ -45,22 +46,23 @@ typedef struct { * @return *s * */ -static u8 * format_vxlan_gpe_rx_trace (u8 * s, va_list * args) +static u8 * +format_vxlan_gpe_rx_trace (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - vxlan_gpe_rx_trace_t * t = va_arg (*args, vxlan_gpe_rx_trace_t *); + vxlan_gpe_rx_trace_t *t = va_arg (*args, vxlan_gpe_rx_trace_t *); if (t->tunnel_index != ~0) - { - s = format (s, "VXLAN-GPE: tunnel %d next %d error %d", t->tunnel_index, - t->next_index, t->error); - } + { + s = format (s, "VXLAN-GPE: tunnel %d next %d error %d", t->tunnel_index, + t->next_index, t->error); + } else - { - s = format (s, "VXLAN-GPE: no tunnel next %d error %d\n", t->next_index, - t->error); - } + { + s = format (s, "VXLAN-GPE: no tunnel next %d error %d\n", t->next_index, + t->error); + } return s; } @@ -73,7 +75,8 @@ static u8 * format_vxlan_gpe_rx_trace (u8 * s, va_list * args) * @return *s * */ -static u8 * format_vxlan_gpe_with_length (u8 * s, va_list * args) +static u8 * +format_vxlan_gpe_with_length (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); @@ -103,14 +106,13 @@ static u8 * format_vxlan_gpe_with_length (u8 * s, va_list * args) */ always_inline uword vxlan_gpe_input (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame, - u8 is_ip4) + vlib_node_runtime_t * node, + vlib_frame_t * from_frame, u8 is_ip4) { u32 n_left_from, next_index, *from, *to_next; - vxlan_gpe_main_t * nngm = &vxlan_gpe_main; - vnet_main_t * vnm = nngm->vnet_main; - vnet_interface_main_t * im = &vnm->interface_main; + vxlan_gpe_main_t *nngm = &vxlan_gpe_main; + vnet_main_t *vnm = nngm->vnet_main; + vnet_interface_main_t *im = &vnm->interface_main; u32 last_tunnel_index = ~0; vxlan4_gpe_tunnel_key_t last_key4; vxlan6_gpe_tunnel_key_t last_key6; @@ -119,9 +121,9 @@ vxlan_gpe_input (vlib_main_t * vm, u32 stats_sw_if_index, stats_n_packets, stats_n_bytes; if (is_ip4) - memset (&last_key4, 0xff, sizeof(last_key4)); + memset (&last_key4, 0xff, sizeof (last_key4)); else - memset (&last_key6, 0xff, sizeof(last_key6)); + memset (&last_key6, 0xff, sizeof (last_key6)); from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; @@ -131,494 +133,523 @@ vxlan_gpe_input (vlib_main_t * vm, stats_n_packets = stats_n_bytes = 0; while (n_left_from > 0) - { - u32 n_left_to_next; + { + u32 n_left_to_next; - vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next); + vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - while (n_left_from >= 4 && n_left_to_next >= 2) - { - u32 bi0, bi1; - vlib_buffer_t * b0, *b1; - u32 next0, next1; - ip4_vxlan_gpe_header_t * iuvn4_0, *iuvn4_1; - ip6_vxlan_gpe_header_t * iuvn6_0, *iuvn6_1; - uword * p0, *p1; - u32 tunnel_index0, tunnel_index1; - vxlan_gpe_tunnel_t * t0, *t1; - vxlan4_gpe_tunnel_key_t key4_0, key4_1; - vxlan6_gpe_tunnel_key_t key6_0, key6_1; - u32 error0, error1; - u32 sw_if_index0, sw_if_index1, len0, len1; - - /* Prefetch next iteration. */ - { - vlib_buffer_t * p2, *p3; - - p2 = vlib_get_buffer (vm, from[2]); - p3 = vlib_get_buffer (vm, from[3]); - - vlib_prefetch_buffer_header(p2, LOAD); - vlib_prefetch_buffer_header(p3, LOAD); - - CLIB_PREFETCH(p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH(p3->data, 2*CLIB_CACHE_LINE_BYTES, LOAD); - } - - bi0 = from[0]; - bi1 = from[1]; - to_next[0] = bi0; - to_next[1] = bi1; - from += 2; - to_next += 2; - n_left_to_next -= 2; - n_left_from -= 2; - - b0 = vlib_get_buffer (vm, bi0); - b1 = vlib_get_buffer (vm, bi1); - - if (is_ip4) - { - /* udp leaves current_data pointing at the vxlan-gpe header */ - vlib_buffer_advance (b0, -(word) (sizeof(udp_header_t) + sizeof(ip4_header_t))); - vlib_buffer_advance (b1, -(word) (sizeof(udp_header_t) + sizeof(ip4_header_t))); - - iuvn4_0 = vlib_buffer_get_current (b0); - iuvn4_1 = vlib_buffer_get_current (b1); - - /* pop (ip, udp, vxlan) */ - vlib_buffer_advance (b0, sizeof(*iuvn4_0)); - vlib_buffer_advance (b1, sizeof(*iuvn4_1)); - } - else - { - /* udp leaves current_data pointing at the vxlan-gpe header */ - vlib_buffer_advance (b0, -(word) (sizeof(udp_header_t) + sizeof(ip6_header_t))); - vlib_buffer_advance (b1, -(word) (sizeof(udp_header_t) + sizeof(ip6_header_t))); - - iuvn6_0 = vlib_buffer_get_current (b0); - iuvn6_1 = vlib_buffer_get_current (b1); - - /* pop (ip, udp, vxlan) */ - vlib_buffer_advance (b0, sizeof(*iuvn6_0)); - vlib_buffer_advance (b1, sizeof(*iuvn6_1)); - } - - tunnel_index0 = ~0; - tunnel_index1 = ~0; - error0 = 0; - error1 = 0; - - if (is_ip4) - { - next0 = - (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)? - nngm->decap_next_node_list[iuvn4_0->vxlan.protocol]: \ - VXLAN_GPE_INPUT_NEXT_DROP; - next1 = - (iuvn4_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)? - nngm->decap_next_node_list[iuvn4_1->vxlan.protocol]: \ - VXLAN_GPE_INPUT_NEXT_DROP; - - key4_0.local = iuvn4_0->ip4.dst_address.as_u32; - key4_1.local = iuvn4_1->ip4.dst_address.as_u32; - - key4_0.remote = iuvn4_0->ip4.src_address.as_u32; - key4_1.remote = iuvn4_1->ip4.src_address.as_u32; - - key4_0.vni = iuvn4_0->vxlan.vni_res; - key4_1.vni = iuvn4_1->vxlan.vni_res; - - key4_0.pad = 0; - key4_1.pad = 0; - } - else /* is_ip6 */ - { - next0 = (iuvn6_0->vxlan.protocol < node->n_next_nodes) ? - iuvn6_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP; - next1 = (iuvn6_1->vxlan.protocol < node->n_next_nodes) ? - iuvn6_1->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP; - - key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0]; - key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1]; - key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0]; - key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1]; - - key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0]; - key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1]; - key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0]; - key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1]; - - key6_0.vni = iuvn6_0->vxlan.vni_res; - key6_1.vni = iuvn6_1->vxlan.vni_res; - } - - /* Processing packet 0*/ - if (is_ip4) - { - /* Processing for key4_0 */ - if (PREDICT_FALSE((key4_0.as_u64[0] != last_key4.as_u64[0]) - || (key4_0.as_u64[1] != last_key4.as_u64[1]))) - { - p0 = hash_get_mem(nngm->vxlan4_gpe_tunnel_by_key, &key4_0); - - if (p0 == 0) - { - error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; - goto trace0; - } - - last_key4.as_u64[0] = key4_0.as_u64[0]; - last_key4.as_u64[1] = key4_0.as_u64[1]; - tunnel_index0 = last_tunnel_index = p0[0]; - } - else - tunnel_index0 = last_tunnel_index; - } - else /* is_ip6 */ - { - next0 = - (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)? - nngm->decap_next_node_list[iuvn6_0->vxlan.protocol]: \ - VXLAN_GPE_INPUT_NEXT_DROP; - next1 = - (iuvn6_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)? - nngm->decap_next_node_list[iuvn6_1->vxlan.protocol]: \ - VXLAN_GPE_INPUT_NEXT_DROP; - - key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0]; - key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1]; - key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0]; - key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1]; - - key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0]; - key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1]; - key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0]; - key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1]; - - key6_0.vni = iuvn6_0->vxlan.vni_res; - key6_1.vni = iuvn6_1->vxlan.vni_res; - - /* Processing for key6_0 */ - if (PREDICT_FALSE(memcmp (&key6_0, &last_key6, sizeof(last_key6)) != 0)) - { - p0 = hash_get_mem(nngm->vxlan6_gpe_tunnel_by_key, &key6_0); - - if (p0 == 0) - { - error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; - goto trace0; - } - - memcpy (&last_key6, &key6_0, sizeof(key6_0)); - tunnel_index0 = last_tunnel_index = p0[0]; - } - else - tunnel_index0 = last_tunnel_index; - } - - t0 = pool_elt_at_index(nngm->tunnels, tunnel_index0); - - - sw_if_index0 = t0->sw_if_index; - len0 = vlib_buffer_length_in_chain (vm, b0); - - /* Required to make the l2 tag push / pop code work on l2 subifs */ - vnet_update_l2_len (b0); + while (n_left_from >= 4 && n_left_to_next >= 2) + { + u32 bi0, bi1; + vlib_buffer_t *b0, *b1; + u32 next0, next1; + ip4_vxlan_gpe_header_t *iuvn4_0, *iuvn4_1; + ip6_vxlan_gpe_header_t *iuvn6_0, *iuvn6_1; + uword *p0, *p1; + u32 tunnel_index0, tunnel_index1; + vxlan_gpe_tunnel_t *t0, *t1; + vxlan4_gpe_tunnel_key_t key4_0, key4_1; + vxlan6_gpe_tunnel_key_t key6_0, key6_1; + u32 error0, error1; + u32 sw_if_index0, sw_if_index1, len0, len1; + + /* Prefetch next iteration. */ + { + vlib_buffer_t *p2, *p3; + + p2 = vlib_get_buffer (vm, from[2]); + p3 = vlib_get_buffer (vm, from[3]); + + vlib_prefetch_buffer_header (p2, LOAD); + vlib_prefetch_buffer_header (p3, LOAD); + + CLIB_PREFETCH (p2->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); + } + + bi0 = from[0]; + bi1 = from[1]; + to_next[0] = bi0; + to_next[1] = bi1; + from += 2; + to_next += 2; + n_left_to_next -= 2; + n_left_from -= 2; + + b0 = vlib_get_buffer (vm, bi0); + b1 = vlib_get_buffer (vm, bi1); + + if (is_ip4) + { + /* udp leaves current_data pointing at the vxlan-gpe header */ + vlib_buffer_advance (b0, + -(word) (sizeof (udp_header_t) + + sizeof (ip4_header_t))); + vlib_buffer_advance (b1, + -(word) (sizeof (udp_header_t) + + sizeof (ip4_header_t))); + + iuvn4_0 = vlib_buffer_get_current (b0); + iuvn4_1 = vlib_buffer_get_current (b1); + + /* pop (ip, udp, vxlan) */ + vlib_buffer_advance (b0, sizeof (*iuvn4_0)); + vlib_buffer_advance (b1, sizeof (*iuvn4_1)); + } + else + { + /* udp leaves current_data pointing at the vxlan-gpe header */ + vlib_buffer_advance (b0, + -(word) (sizeof (udp_header_t) + + sizeof (ip6_header_t))); + vlib_buffer_advance (b1, + -(word) (sizeof (udp_header_t) + + sizeof (ip6_header_t))); + + iuvn6_0 = vlib_buffer_get_current (b0); + iuvn6_1 = vlib_buffer_get_current (b1); + + /* pop (ip, udp, vxlan) */ + vlib_buffer_advance (b0, sizeof (*iuvn6_0)); + vlib_buffer_advance (b1, sizeof (*iuvn6_1)); + } + + tunnel_index0 = ~0; + tunnel_index1 = ~0; + error0 = 0; + error1 = 0; + + if (is_ip4) + { + next0 = + (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ? + nngm->decap_next_node_list[iuvn4_0->vxlan.protocol] : + VXLAN_GPE_INPUT_NEXT_DROP; + next1 = + (iuvn4_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ? + nngm->decap_next_node_list[iuvn4_1->vxlan.protocol] : + VXLAN_GPE_INPUT_NEXT_DROP; + + key4_0.local = iuvn4_0->ip4.dst_address.as_u32; + key4_1.local = iuvn4_1->ip4.dst_address.as_u32; + + key4_0.remote = iuvn4_0->ip4.src_address.as_u32; + key4_1.remote = iuvn4_1->ip4.src_address.as_u32; + + key4_0.vni = iuvn4_0->vxlan.vni_res; + key4_1.vni = iuvn4_1->vxlan.vni_res; + + key4_0.pad = 0; + key4_1.pad = 0; + } + else /* is_ip6 */ + { + next0 = (iuvn6_0->vxlan.protocol < node->n_next_nodes) ? + iuvn6_0->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP; + next1 = (iuvn6_1->vxlan.protocol < node->n_next_nodes) ? + iuvn6_1->vxlan.protocol : VXLAN_GPE_INPUT_NEXT_DROP; + + key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0]; + key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1]; + key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0]; + key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1]; + + key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0]; + key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1]; + key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0]; + key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1]; + + key6_0.vni = iuvn6_0->vxlan.vni_res; + key6_1.vni = iuvn6_1->vxlan.vni_res; + } + + /* Processing packet 0 */ + if (is_ip4) + { + /* Processing for key4_0 */ + if (PREDICT_FALSE ((key4_0.as_u64[0] != last_key4.as_u64[0]) + || (key4_0.as_u64[1] != + last_key4.as_u64[1]))) + { + p0 = hash_get_mem (nngm->vxlan4_gpe_tunnel_by_key, &key4_0); + + if (p0 == 0) + { + error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; + goto trace0; + } + + last_key4.as_u64[0] = key4_0.as_u64[0]; + last_key4.as_u64[1] = key4_0.as_u64[1]; + tunnel_index0 = last_tunnel_index = p0[0]; + } + else + tunnel_index0 = last_tunnel_index; + } + else /* is_ip6 */ + { + next0 = + (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ? + nngm->decap_next_node_list[iuvn6_0->vxlan.protocol] : + VXLAN_GPE_INPUT_NEXT_DROP; + next1 = + (iuvn6_1->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ? + nngm->decap_next_node_list[iuvn6_1->vxlan.protocol] : + VXLAN_GPE_INPUT_NEXT_DROP; + + key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0]; + key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1]; + key6_1.local.as_u64[0] = iuvn6_1->ip6.dst_address.as_u64[0]; + key6_1.local.as_u64[1] = iuvn6_1->ip6.dst_address.as_u64[1]; + + key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0]; + key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1]; + key6_1.remote.as_u64[0] = iuvn6_1->ip6.src_address.as_u64[0]; + key6_1.remote.as_u64[1] = iuvn6_1->ip6.src_address.as_u64[1]; + + key6_0.vni = iuvn6_0->vxlan.vni_res; + key6_1.vni = iuvn6_1->vxlan.vni_res; + + /* Processing for key6_0 */ + if (PREDICT_FALSE + (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0)) + { + p0 = hash_get_mem (nngm->vxlan6_gpe_tunnel_by_key, &key6_0); + + if (p0 == 0) + { + error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; + goto trace0; + } + + memcpy (&last_key6, &key6_0, sizeof (key6_0)); + tunnel_index0 = last_tunnel_index = p0[0]; + } + else + tunnel_index0 = last_tunnel_index; + } + + t0 = pool_elt_at_index (nngm->tunnels, tunnel_index0); + + + sw_if_index0 = t0->sw_if_index; + len0 = vlib_buffer_length_in_chain (vm, b0); + + /* Required to make the l2 tag push / pop code work on l2 subifs */ + vnet_update_l2_len (b0); /** * ip[46] lookup in the configured FIB */ - vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index; - - pkts_decapsulated++; - stats_n_packets += 1; - stats_n_bytes += len0; - - if (PREDICT_FALSE(sw_if_index0 != stats_sw_if_index)) - { - stats_n_packets -= 1; - stats_n_bytes -= len0; - if (stats_n_packets) - vlib_increment_combined_counter ( - im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, - thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes); - stats_n_packets = 1; - stats_n_bytes = len0; - stats_sw_if_index = sw_if_index0; - } - - trace0: b0->error = error0 ? node->errors[error0] : 0; - - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) - { - vxlan_gpe_rx_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof(*tr)); - tr->next_index = next0; - tr->error = error0; - tr->tunnel_index = tunnel_index0; - } - - /* Process packet 1 */ - if (is_ip4) - { - /* Processing for key4_1 */ - if (PREDICT_FALSE( - (key4_1.as_u64[0] != last_key4.as_u64[0]) - || (key4_1.as_u64[1] != last_key4.as_u64[1]))) - { - p1 = hash_get_mem(nngm->vxlan4_gpe_tunnel_by_key, &key4_1); - - if (p1 == 0) - { - error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; - goto trace1; - } - - last_key4.as_u64[0] = key4_1.as_u64[0]; - last_key4.as_u64[1] = key4_1.as_u64[1]; - tunnel_index1 = last_tunnel_index = p1[0]; - } - else - tunnel_index1 = last_tunnel_index; - } - else /* is_ip6 */ - { - /* Processing for key6_1 */ - if (PREDICT_FALSE(memcmp (&key6_1, &last_key6, sizeof(last_key6)) != 0)) - { - p1 = hash_get_mem(nngm->vxlan6_gpe_tunnel_by_key, &key6_1); - - if (p1 == 0) - { - error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; - goto trace1; - } - - memcpy (&last_key6, &key6_1, sizeof(key6_1)); - tunnel_index1 = last_tunnel_index = p1[0]; - } - else - tunnel_index1 = last_tunnel_index; - } - - t1 = pool_elt_at_index(nngm->tunnels, tunnel_index1); - - sw_if_index1 = t1->sw_if_index; - len1 = vlib_buffer_length_in_chain (vm, b1); - - /* Required to make the l2 tag push / pop code work on l2 subifs */ - vnet_update_l2_len (b1); - - /* - * ip[46] lookup in the configured FIB - */ - vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index; - - pkts_decapsulated++; - stats_n_packets += 1; - stats_n_bytes += len1; - - /* Batch stats increment on the same vxlan tunnel so counter - is not incremented per packet */ - if (PREDICT_FALSE(sw_if_index1 != stats_sw_if_index)) - { - stats_n_packets -= 1; - stats_n_bytes -= len1; - if (stats_n_packets) - vlib_increment_combined_counter ( - im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, - thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes); - stats_n_packets = 1; - stats_n_bytes = len1; - stats_sw_if_index = sw_if_index1; - } - vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index; - - trace1: b1->error = error1 ? node->errors[error1] : 0; - - if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED)) - { - vxlan_gpe_rx_trace_t *tr = vlib_add_trace (vm, node, b1, sizeof(*tr)); - tr->next_index = next1; - tr->error = error1; - tr->tunnel_index = tunnel_index1; - } - - vlib_validate_buffer_enqueue_x2(vm, node, next_index, to_next, - n_left_to_next, bi0, bi1, next0, next1); - } + vnet_buffer (b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index; - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0; - vlib_buffer_t * b0; - u32 next0; - ip4_vxlan_gpe_header_t * iuvn4_0; - ip6_vxlan_gpe_header_t * iuvn6_0; - uword * p0; - u32 tunnel_index0; - vxlan_gpe_tunnel_t * t0; - vxlan4_gpe_tunnel_key_t key4_0; - vxlan6_gpe_tunnel_key_t key6_0; - u32 error0; - u32 sw_if_index0, len0; - - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - - if (is_ip4) - { - /* udp leaves current_data pointing at the vxlan-gpe header */ - vlib_buffer_advance ( - b0, -(word) (sizeof(udp_header_t) + sizeof(ip4_header_t))); - - iuvn4_0 = vlib_buffer_get_current (b0); - - /* pop (ip, udp, vxlan) */ - vlib_buffer_advance (b0, sizeof(*iuvn4_0)); - } - else - { - /* udp leaves current_data pointing at the vxlan-gpe header */ - vlib_buffer_advance ( - b0, -(word) (sizeof(udp_header_t) + sizeof(ip6_header_t))); - - iuvn6_0 = vlib_buffer_get_current (b0); - - /* pop (ip, udp, vxlan) */ - vlib_buffer_advance (b0, sizeof(*iuvn6_0)); - } - - tunnel_index0 = ~0; - error0 = 0; - - if (is_ip4) - { - next0 = - (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)? - nngm->decap_next_node_list[iuvn4_0->vxlan.protocol]: \ - VXLAN_GPE_INPUT_NEXT_DROP; - - key4_0.local = iuvn4_0->ip4.dst_address.as_u32; - key4_0.remote = iuvn4_0->ip4.src_address.as_u32; - key4_0.vni = iuvn4_0->vxlan.vni_res; - key4_0.pad = 0; - - /* Processing for key4_0 */ - if (PREDICT_FALSE( - (key4_0.as_u64[0] != last_key4.as_u64[0]) - || (key4_0.as_u64[1] != last_key4.as_u64[1]))) - { - p0 = hash_get_mem(nngm->vxlan4_gpe_tunnel_by_key, &key4_0); - - if (p0 == 0) - { - error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; - goto trace00; - } - - last_key4.as_u64[0] = key4_0.as_u64[0]; - last_key4.as_u64[1] = key4_0.as_u64[1]; - tunnel_index0 = last_tunnel_index = p0[0]; - } - else - tunnel_index0 = last_tunnel_index; - } - else /* is_ip6 */ - { - next0 = - (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX)? - nngm->decap_next_node_list[iuvn6_0->vxlan.protocol]: \ - VXLAN_GPE_INPUT_NEXT_DROP; - - key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0]; - key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1]; - key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0]; - key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1]; - key6_0.vni = iuvn6_0->vxlan.vni_res; - - /* Processing for key6_0 */ - if (PREDICT_FALSE(memcmp (&key6_0, &last_key6, sizeof(last_key6)) != 0)) - { - p0 = hash_get_mem(nngm->vxlan6_gpe_tunnel_by_key, &key6_0); - - if (p0 == 0) - { - error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; - goto trace00; - } - - memcpy (&last_key6, &key6_0, sizeof(key6_0)); - tunnel_index0 = last_tunnel_index = p0[0]; - } - else - tunnel_index0 = last_tunnel_index; - } - - t0 = pool_elt_at_index(nngm->tunnels, tunnel_index0); - - - sw_if_index0 = t0->sw_if_index; - len0 = vlib_buffer_length_in_chain (vm, b0); - - /* Required to make the l2 tag push / pop code work on l2 subifs */ - vnet_update_l2_len (b0); - - /* - * ip[46] lookup in the configured FIB - */ - vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index; - - pkts_decapsulated++; - stats_n_packets += 1; - stats_n_bytes += len0; - - /* Batch stats increment on the same vxlan-gpe tunnel so counter - is not incremented per packet */ - if (PREDICT_FALSE(sw_if_index0 != stats_sw_if_index)) - { - stats_n_packets -= 1; - stats_n_bytes -= len0; - if (stats_n_packets) - vlib_increment_combined_counter ( - im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, - thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes); - stats_n_packets = 1; - stats_n_bytes = len0; - stats_sw_if_index = sw_if_index0; - } - - trace00: b0->error = error0 ? node->errors[error0] : 0; - - if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) - { - vxlan_gpe_rx_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof(*tr)); - tr->next_index = next0; - tr->error = error0; - tr->tunnel_index = tunnel_index0; - } - vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, - n_left_to_next, bi0, next0); - } + pkts_decapsulated++; + stats_n_packets += 1; + stats_n_bytes += len0; + + if (PREDICT_FALSE (sw_if_index0 != stats_sw_if_index)) + { + stats_n_packets -= 1; + stats_n_bytes -= len0; + if (stats_n_packets) + vlib_increment_combined_counter (im->combined_sw_if_counters + + VNET_INTERFACE_COUNTER_RX, + thread_index, + stats_sw_if_index, + stats_n_packets, + stats_n_bytes); + stats_n_packets = 1; + stats_n_bytes = len0; + stats_sw_if_index = sw_if_index0; + } + + trace0:b0->error = error0 ? node->errors[error0] : 0; + + if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) + { + vxlan_gpe_rx_trace_t *tr = + vlib_add_trace (vm, node, b0, sizeof (*tr)); + tr->next_index = next0; + tr->error = error0; + tr->tunnel_index = tunnel_index0; + } + + /* Process packet 1 */ + if (is_ip4) + { + /* Processing for key4_1 */ + if (PREDICT_FALSE ((key4_1.as_u64[0] != last_key4.as_u64[0]) + || (key4_1.as_u64[1] != + last_key4.as_u64[1]))) + { + p1 = hash_get_mem (nngm->vxlan4_gpe_tunnel_by_key, &key4_1); + + if (p1 == 0) + { + error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; + goto trace1; + } + + last_key4.as_u64[0] = key4_1.as_u64[0]; + last_key4.as_u64[1] = key4_1.as_u64[1]; + tunnel_index1 = last_tunnel_index = p1[0]; + } + else + tunnel_index1 = last_tunnel_index; + } + else /* is_ip6 */ + { + /* Processing for key6_1 */ + if (PREDICT_FALSE + (memcmp (&key6_1, &last_key6, sizeof (last_key6)) != 0)) + { + p1 = hash_get_mem (nngm->vxlan6_gpe_tunnel_by_key, &key6_1); + + if (p1 == 0) + { + error1 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; + goto trace1; + } + + memcpy (&last_key6, &key6_1, sizeof (key6_1)); + tunnel_index1 = last_tunnel_index = p1[0]; + } + else + tunnel_index1 = last_tunnel_index; + } + + t1 = pool_elt_at_index (nngm->tunnels, tunnel_index1); + + sw_if_index1 = t1->sw_if_index; + len1 = vlib_buffer_length_in_chain (vm, b1); + + /* Required to make the l2 tag push / pop code work on l2 subifs */ + vnet_update_l2_len (b1); + + /* + * ip[46] lookup in the configured FIB + */ + vnet_buffer (b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index; - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } + pkts_decapsulated++; + stats_n_packets += 1; + stats_n_bytes += len1; + + /* Batch stats increment on the same vxlan tunnel so counter + is not incremented per packet */ + if (PREDICT_FALSE (sw_if_index1 != stats_sw_if_index)) + { + stats_n_packets -= 1; + stats_n_bytes -= len1; + if (stats_n_packets) + vlib_increment_combined_counter (im->combined_sw_if_counters + + VNET_INTERFACE_COUNTER_RX, + thread_index, + stats_sw_if_index, + stats_n_packets, + stats_n_bytes); + stats_n_packets = 1; + stats_n_bytes = len1; + stats_sw_if_index = sw_if_index1; + } + vnet_buffer (b1)->sw_if_index[VLIB_TX] = t1->decap_fib_index; + + trace1:b1->error = error1 ? node->errors[error1] : 0; + + if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED)) + { + vxlan_gpe_rx_trace_t *tr = + vlib_add_trace (vm, node, b1, sizeof (*tr)); + tr->next_index = next1; + tr->error = error1; + tr->tunnel_index = tunnel_index1; + } + + vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, + n_left_to_next, bi0, bi1, next0, + next1); + } + + while (n_left_from > 0 && n_left_to_next > 0) + { + u32 bi0; + vlib_buffer_t *b0; + u32 next0; + ip4_vxlan_gpe_header_t *iuvn4_0; + ip6_vxlan_gpe_header_t *iuvn6_0; + uword *p0; + u32 tunnel_index0; + vxlan_gpe_tunnel_t *t0; + vxlan4_gpe_tunnel_key_t key4_0; + vxlan6_gpe_tunnel_key_t key6_0; + u32 error0; + u32 sw_if_index0, len0; + + bi0 = from[0]; + to_next[0] = bi0; + from += 1; + to_next += 1; + n_left_from -= 1; + n_left_to_next -= 1; + + b0 = vlib_get_buffer (vm, bi0); + + if (is_ip4) + { + /* udp leaves current_data pointing at the vxlan-gpe header */ + vlib_buffer_advance (b0, + -(word) (sizeof (udp_header_t) + + sizeof (ip4_header_t))); + + iuvn4_0 = vlib_buffer_get_current (b0); + + /* pop (ip, udp, vxlan) */ + vlib_buffer_advance (b0, sizeof (*iuvn4_0)); + } + else + { + /* udp leaves current_data pointing at the vxlan-gpe header */ + vlib_buffer_advance (b0, + -(word) (sizeof (udp_header_t) + + sizeof (ip6_header_t))); + + iuvn6_0 = vlib_buffer_get_current (b0); + + /* pop (ip, udp, vxlan) */ + vlib_buffer_advance (b0, sizeof (*iuvn6_0)); + } + + tunnel_index0 = ~0; + error0 = 0; + + if (is_ip4) + { + next0 = + (iuvn4_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ? + nngm->decap_next_node_list[iuvn4_0->vxlan.protocol] : + VXLAN_GPE_INPUT_NEXT_DROP; + + key4_0.local = iuvn4_0->ip4.dst_address.as_u32; + key4_0.remote = iuvn4_0->ip4.src_address.as_u32; + key4_0.vni = iuvn4_0->vxlan.vni_res; + key4_0.pad = 0; + + /* Processing for key4_0 */ + if (PREDICT_FALSE ((key4_0.as_u64[0] != last_key4.as_u64[0]) + || (key4_0.as_u64[1] != + last_key4.as_u64[1]))) + { + p0 = hash_get_mem (nngm->vxlan4_gpe_tunnel_by_key, &key4_0); + + if (p0 == 0) + { + error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; + goto trace00; + } + + last_key4.as_u64[0] = key4_0.as_u64[0]; + last_key4.as_u64[1] = key4_0.as_u64[1]; + tunnel_index0 = last_tunnel_index = p0[0]; + } + else + tunnel_index0 = last_tunnel_index; + } + else /* is_ip6 */ + { + next0 = + (iuvn6_0->vxlan.protocol < VXLAN_GPE_PROTOCOL_MAX) ? + nngm->decap_next_node_list[iuvn6_0->vxlan.protocol] : + VXLAN_GPE_INPUT_NEXT_DROP; + + key6_0.local.as_u64[0] = iuvn6_0->ip6.dst_address.as_u64[0]; + key6_0.local.as_u64[1] = iuvn6_0->ip6.dst_address.as_u64[1]; + key6_0.remote.as_u64[0] = iuvn6_0->ip6.src_address.as_u64[0]; + key6_0.remote.as_u64[1] = iuvn6_0->ip6.src_address.as_u64[1]; + key6_0.vni = iuvn6_0->vxlan.vni_res; + + /* Processing for key6_0 */ + if (PREDICT_FALSE + (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0)) + { + p0 = hash_get_mem (nngm->vxlan6_gpe_tunnel_by_key, &key6_0); + + if (p0 == 0) + { + error0 = VXLAN_GPE_ERROR_NO_SUCH_TUNNEL; + goto trace00; + } + + memcpy (&last_key6, &key6_0, sizeof (key6_0)); + tunnel_index0 = last_tunnel_index = p0[0]; + } + else + tunnel_index0 = last_tunnel_index; + } + + t0 = pool_elt_at_index (nngm->tunnels, tunnel_index0); + + + sw_if_index0 = t0->sw_if_index; + len0 = vlib_buffer_length_in_chain (vm, b0); + + /* Required to make the l2 tag push / pop code work on l2 subifs */ + vnet_update_l2_len (b0); + + /* + * ip[46] lookup in the configured FIB + */ + vnet_buffer (b0)->sw_if_index[VLIB_TX] = t0->decap_fib_index; + + pkts_decapsulated++; + stats_n_packets += 1; + stats_n_bytes += len0; + + /* Batch stats increment on the same vxlan-gpe tunnel so counter + is not incremented per packet */ + if (PREDICT_FALSE (sw_if_index0 != stats_sw_if_index)) + { + stats_n_packets -= 1; + stats_n_bytes -= len0; + if (stats_n_packets) + vlib_increment_combined_counter (im->combined_sw_if_counters + + VNET_INTERFACE_COUNTER_RX, + thread_index, + stats_sw_if_index, + stats_n_packets, + stats_n_bytes); + stats_n_packets = 1; + stats_n_bytes = len0; + stats_sw_if_index = sw_if_index0; + } + + trace00:b0->error = error0 ? node->errors[error0] : 0; + + if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) + { + vxlan_gpe_rx_trace_t *tr = + vlib_add_trace (vm, node, b0, sizeof (*tr)); + tr->next_index = next0; + tr->error = error0; + tr->tunnel_index = tunnel_index0; + } + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, + n_left_to_next, bi0, next0); + } + + vlib_put_next_frame (vm, node, next_index, n_left_to_next); + } vlib_node_increment_counter (vm, vxlan_gpe_input_node.index, - VXLAN_GPE_ERROR_DECAPSULATED, pkts_decapsulated); + VXLAN_GPE_ERROR_DECAPSULATED, + pkts_decapsulated); /* Increment any remaining batch stats */ if (stats_n_packets) - { - vlib_increment_combined_counter ( - im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, thread_index, - stats_sw_if_index, stats_n_packets, stats_n_bytes); - node->runtime_data[0] = stats_sw_if_index; - } + { + vlib_increment_combined_counter (im->combined_sw_if_counters + + VNET_INTERFACE_COUNTER_RX, + thread_index, stats_sw_if_index, + stats_n_packets, stats_n_bytes); + node->runtime_data[0] = stats_sw_if_index; + } return from_frame->n_vectors; } @@ -635,9 +666,9 @@ vxlan_gpe_input (vlib_main_t * vm, */ static uword vxlan4_gpe_input (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame) + vlib_frame_t * from_frame) { - return vxlan_gpe_input (vm, node, from_frame, /* is_ip4 */1); + return vxlan_gpe_input (vm, node, from_frame, /* is_ip4 */ 1); } @@ -671,21 +702,22 @@ vxlan_gpe_unregister_decap_protocol (u8 protocol_id, uword next_node_index) */ static uword vxlan6_gpe_input (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame) + vlib_frame_t * from_frame) { - return vxlan_gpe_input (vm, node, from_frame, /* is_ip4 */0); + return vxlan_gpe_input (vm, node, from_frame, /* is_ip4 */ 0); } /** * @brief VXLAN GPE error strings */ -static char * vxlan_gpe_error_strings[] = { +static char *vxlan_gpe_error_strings[] = { #define vxlan_gpe_error(n,s) s, #include <vnet/vxlan-gpe/vxlan_gpe_error.def> #undef vxlan_gpe_error #undef _ }; +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (vxlan4_gpe_input_node) = { .function = vxlan4_gpe_input, .name = "vxlan4-gpe-input", @@ -706,9 +738,11 @@ VLIB_REGISTER_NODE (vxlan4_gpe_input_node) = { .format_trace = format_vxlan_gpe_rx_trace, // $$$$ .unformat_buffer = unformat_vxlan_gpe_header, }; +/* *INDENT-ON* */ VLIB_NODE_FUNCTION_MULTIARCH (vxlan4_gpe_input_node, vxlan4_gpe_input); +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (vxlan6_gpe_input_node) = { .function = vxlan6_gpe_input, .name = "vxlan6-gpe-input", @@ -729,9 +763,11 @@ VLIB_REGISTER_NODE (vxlan6_gpe_input_node) = { .format_trace = format_vxlan_gpe_rx_trace, // $$$$ .unformat_buffer = unformat_vxlan_gpe_header, }; +/* *INDENT-ON* */ VLIB_NODE_FUNCTION_MULTIARCH (vxlan6_gpe_input_node, vxlan6_gpe_input); -typedef enum { +typedef enum +{ IP_VXLAN_BYPASS_NEXT_DROP, IP_VXLAN_BYPASS_NEXT_VXLAN, IP_VXLAN_BYPASS_N_NEXT, @@ -739,15 +775,15 @@ typedef enum { always_inline uword ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame, - u32 is_ip4) + vlib_node_runtime_t * node, + vlib_frame_t * frame, u32 is_ip4) { - vxlan_gpe_main_t * ngm = &vxlan_gpe_main; - u32 * from, * to_next, n_left_from, n_left_to_next, next_index; - vlib_node_runtime_t * error_node = vlib_node_get_runtime (vm, ip4_input_node.index); - ip4_address_t addr4; /* last IPv4 address matching a local VTEP address */ - ip6_address_t addr6; /* last IPv6 address matching a local VTEP address */ + vxlan_gpe_main_t *ngm = &vxlan_gpe_main; + u32 *from, *to_next, n_left_from, n_left_to_next, next_index; + vlib_node_runtime_t *error_node = + vlib_node_get_runtime (vm, ip4_input_node.index); + ip4_address_t addr4; /* last IPv4 address matching a local VTEP address */ + ip6_address_t addr6; /* last IPv6 address matching a local VTEP address */ from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; @@ -756,28 +792,30 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, if (node->flags & VLIB_NODE_FLAG_TRACE) ip4_forward_next_trace (vm, node, frame, VLIB_TX); - if (is_ip4) addr4.data_u32 = ~0; - else ip6_address_set_zero (&addr6); + if (is_ip4) + addr4.data_u32 = ~0; + else + ip6_address_set_zero (&addr6); while (n_left_from > 0) { vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); while (n_left_from >= 4 && n_left_to_next >= 2) - { - vlib_buffer_t * b0, * b1; - ip4_header_t * ip40, * ip41; - ip6_header_t * ip60, * ip61; - udp_header_t * udp0, * udp1; - u32 bi0, ip_len0, udp_len0, flags0, next0; - u32 bi1, ip_len1, udp_len1, flags1, next1; - i32 len_diff0, len_diff1; - u8 error0, good_udp0, proto0; - u8 error1, good_udp1, proto1; + { + vlib_buffer_t *b0, *b1; + ip4_header_t *ip40, *ip41; + ip6_header_t *ip60, *ip61; + udp_header_t *udp0, *udp1; + u32 bi0, ip_len0, udp_len0, flags0, next0; + u32 bi1, ip_len1, udp_len1, flags1, next1; + i32 len_diff0, len_diff1; + u8 error0, good_udp0, proto0; + u8 error1, good_udp1, proto1; /* Prefetch next iteration. */ { - vlib_buffer_t * p2, * p3; + vlib_buffer_t *p2, *p3; p2 = vlib_get_buffer (vm, from[2]); p3 = vlib_get_buffer (vm, from[3]); @@ -785,16 +823,16 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, vlib_prefetch_buffer_header (p2, LOAD); vlib_prefetch_buffer_header (p3, LOAD); - CLIB_PREFETCH (p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH (p3->data, 2*CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (p2->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD); } - bi0 = to_next[0] = from[0]; - bi1 = to_next[1] = from[1]; - from += 2; - n_left_from -= 2; - to_next += 2; - n_left_to_next -= 2; + bi0 = to_next[0] = from[0]; + bi1 = to_next[1] = from[1]; + from += 2; + n_left_from -= 2; + to_next += 2; + n_left_to_next -= 2; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); @@ -810,8 +848,10 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, } /* Setup packet for next IP feature */ - vnet_feature_next(vnet_buffer(b0)->sw_if_index[VLIB_RX], &next0, b0); - vnet_feature_next(vnet_buffer(b1)->sw_if_index[VLIB_RX], &next1, b1); + vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_RX], &next0, + b0); + vnet_feature_next (vnet_buffer (b1)->sw_if_index[VLIB_RX], &next1, + b1); if (is_ip4) { @@ -826,7 +866,7 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, /* Process packet 0 */ if (proto0 != IP_PROTOCOL_UDP) - goto exit0; /* not UDP packet */ + goto exit0; /* not UDP packet */ if (is_ip4) udp0 = ip4_next_header (ip40); @@ -834,26 +874,26 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, udp0 = ip6_next_header (ip60); if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE)) - goto exit0; /* not VXLAN packet */ + goto exit0; /* not VXLAN packet */ - /* Validate DIP against VTEPs*/ + /* Validate DIP against VTEPs */ if (is_ip4) { if (addr4.as_u32 != ip40->dst_address.as_u32) - { + { if (!hash_get (ngm->vtep4, ip40->dst_address.as_u32)) - goto exit0; /* no local VTEP for VXLAN packet */ + goto exit0; /* no local VTEP for VXLAN packet */ addr4 = ip40->dst_address; - } + } } else { if (!ip6_address_is_equal (&addr6, &ip60->dst_address)) - { + { if (!hash_get_mem (ngm->vtep6, &ip60->dst_address)) - goto exit0; /* no local VTEP for VXLAN packet */ + goto exit0; /* no local VTEP for VXLAN packet */ addr6 = ip60->dst_address; - } + } } flags0 = b0->flags; @@ -874,14 +914,14 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, if (PREDICT_FALSE (!good_udp0)) { if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0) - { + { if (is_ip4) flags0 = ip4_tcp_udp_validate_checksum (vm, b0); else flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, b0); good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0; - } + } } if (is_ip4) @@ -901,14 +941,18 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, /* vxlan_gpe-input node expect current at VXLAN header */ if (is_ip4) - vlib_buffer_advance (b0, sizeof(ip4_header_t)+sizeof(udp_header_t)); + vlib_buffer_advance (b0, + sizeof (ip4_header_t) + + sizeof (udp_header_t)); else - vlib_buffer_advance (b0, sizeof(ip6_header_t)+sizeof(udp_header_t)); + vlib_buffer_advance (b0, + sizeof (ip6_header_t) + + sizeof (udp_header_t)); exit0: /* Process packet 1 */ if (proto1 != IP_PROTOCOL_UDP) - goto exit1; /* not UDP packet */ + goto exit1; /* not UDP packet */ if (is_ip4) udp1 = ip4_next_header (ip41); @@ -916,24 +960,24 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, udp1 = ip6_next_header (ip61); if (udp1->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE)) - goto exit1; /* not VXLAN packet */ + goto exit1; /* not VXLAN packet */ - /* Validate DIP against VTEPs*/ + /* Validate DIP against VTEPs */ if (is_ip4) { if (addr4.as_u32 != ip41->dst_address.as_u32) - { + { if (!hash_get (ngm->vtep4, ip41->dst_address.as_u32)) - goto exit1; /* no local VTEP for VXLAN packet */ + goto exit1; /* no local VTEP for VXLAN packet */ addr4 = ip41->dst_address; } } else { if (!ip6_address_is_equal (&addr6, &ip61->dst_address)) - { + { if (!hash_get_mem (ngm->vtep6, &ip61->dst_address)) - goto exit1; /* no local VTEP for VXLAN packet */ + goto exit1; /* no local VTEP for VXLAN packet */ addr6 = ip61->dst_address; } } @@ -956,14 +1000,14 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, if (PREDICT_FALSE (!good_udp1)) { if ((flags1 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0) - { + { if (is_ip4) flags1 = ip4_tcp_udp_validate_checksum (vm, b1); else flags1 = ip6_tcp_udp_icmp_validate_checksum (vm, b1); good_udp1 = (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0; - } + } } if (is_ip4) @@ -983,9 +1027,13 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, /* vxlan_gpe-input node expect current at VXLAN header */ if (is_ip4) - vlib_buffer_advance (b1, sizeof(ip4_header_t)+sizeof(udp_header_t)); + vlib_buffer_advance (b1, + sizeof (ip4_header_t) + + sizeof (udp_header_t)); else - vlib_buffer_advance (b1, sizeof(ip6_header_t)+sizeof(udp_header_t)); + vlib_buffer_advance (b1, + sizeof (ip6_header_t) + + sizeof (udp_header_t)); exit1: vlib_validate_buffer_enqueue_x2 (vm, node, next_index, @@ -995,11 +1043,11 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { - vlib_buffer_t * b0; - ip4_header_t * ip40; - ip6_header_t * ip60; - udp_header_t * udp0; - u32 bi0, ip_len0, udp_len0, flags0, next0; + vlib_buffer_t *b0; + ip4_header_t *ip40; + ip6_header_t *ip60; + udp_header_t *udp0; + u32 bi0, ip_len0, udp_len0, flags0, next0; i32 len_diff0; u8 error0, good_udp0, proto0; @@ -1016,7 +1064,8 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, ip60 = vlib_buffer_get_current (b0); /* Setup packet for next IP feature */ - vnet_feature_next(vnet_buffer(b0)->sw_if_index[VLIB_RX], &next0, b0); + vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_RX], &next0, + b0); if (is_ip4) proto0 = ip40->protocol; @@ -1024,7 +1073,7 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, proto0 = ip60->protocol; if (proto0 != IP_PROTOCOL_UDP) - goto exit; /* not UDP packet */ + goto exit; /* not UDP packet */ if (is_ip4) udp0 = ip4_next_header (ip40); @@ -1032,24 +1081,24 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, udp0 = ip6_next_header (ip60); if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_VXLAN_GPE)) - goto exit; /* not VXLAN packet */ + goto exit; /* not VXLAN packet */ - /* Validate DIP against VTEPs*/ + /* Validate DIP against VTEPs */ if (is_ip4) { if (addr4.as_u32 != ip40->dst_address.as_u32) - { + { if (!hash_get (ngm->vtep4, ip40->dst_address.as_u32)) - goto exit; /* no local VTEP for VXLAN packet */ + goto exit; /* no local VTEP for VXLAN packet */ addr4 = ip40->dst_address; } } else { if (!ip6_address_is_equal (&addr6, &ip60->dst_address)) - { + { if (!hash_get_mem (ngm->vtep6, &ip60->dst_address)) - goto exit; /* no local VTEP for VXLAN packet */ + goto exit; /* no local VTEP for VXLAN packet */ addr6 = ip60->dst_address; } } @@ -1072,14 +1121,14 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, if (PREDICT_FALSE (!good_udp0)) { if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0) - { + { if (is_ip4) flags0 = ip4_tcp_udp_validate_checksum (vm, b0); else flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, b0); good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0; - } + } } if (is_ip4) @@ -1099,9 +1148,13 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, /* vxlan_gpe-input node expect current at VXLAN header */ if (is_ip4) - vlib_buffer_advance (b0, sizeof(ip4_header_t)+sizeof(udp_header_t)); + vlib_buffer_advance (b0, + sizeof (ip4_header_t) + + sizeof (udp_header_t)); else - vlib_buffer_advance (b0, sizeof(ip6_header_t)+sizeof(udp_header_t)); + vlib_buffer_advance (b0, + sizeof (ip6_header_t) + + sizeof (udp_header_t)); exit: vlib_validate_buffer_enqueue_x1 (vm, node, next_index, @@ -1117,12 +1170,12 @@ ip_vxlan_gpe_bypass_inline (vlib_main_t * vm, static uword ip4_vxlan_gpe_bypass (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) + vlib_node_runtime_t * node, vlib_frame_t * frame) { return ip_vxlan_gpe_bypass_inline (vm, node, frame, /* is_ip4 */ 1); } +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip4_vxlan_gpe_bypass_node) = { .function = ip4_vxlan_gpe_bypass, .name = "ip4-vxlan-gpe-bypass", @@ -1137,23 +1190,25 @@ VLIB_REGISTER_NODE (ip4_vxlan_gpe_bypass_node) = { .format_buffer = format_ip4_header, .format_trace = format_ip4_forward_next_trace, }; +/* *INDENT-ON* */ -VLIB_NODE_FUNCTION_MULTIARCH (ip4_vxlan_gpe_bypass_node,ip4_vxlan_gpe_bypass) - +VLIB_NODE_FUNCTION_MULTIARCH (ip4_vxlan_gpe_bypass_node, ip4_vxlan_gpe_bypass) /* Dummy init function to get us linked in. */ -clib_error_t * ip4_vxlan_gpe_bypass_init (vlib_main_t * vm) -{ return 0; } + clib_error_t *ip4_vxlan_gpe_bypass_init (vlib_main_t * vm) +{ + return 0; +} VLIB_INIT_FUNCTION (ip4_vxlan_gpe_bypass_init); static uword ip6_vxlan_gpe_bypass (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * frame) + vlib_node_runtime_t * node, vlib_frame_t * frame) { return ip_vxlan_gpe_bypass_inline (vm, node, frame, /* is_ip4 */ 0); } +/* *INDENT-OFF* */ VLIB_REGISTER_NODE (ip6_vxlan_gpe_bypass_node) = { .function = ip6_vxlan_gpe_bypass, .name = "ip6-vxlan-gpe-bypass", @@ -1168,11 +1223,21 @@ VLIB_REGISTER_NODE (ip6_vxlan_gpe_bypass_node) = { .format_buffer = format_ip6_header, .format_trace = format_ip6_forward_next_trace, }; +/* *INDENT-ON* */ -VLIB_NODE_FUNCTION_MULTIARCH (ip6_vxlan_gpe_bypass_node,ip6_vxlan_gpe_bypass) - +VLIB_NODE_FUNCTION_MULTIARCH (ip6_vxlan_gpe_bypass_node, ip6_vxlan_gpe_bypass) /* Dummy init function to get us linked in. */ -clib_error_t * ip6_vxlan_gpe_bypass_init (vlib_main_t * vm) -{ return 0; } + clib_error_t *ip6_vxlan_gpe_bypass_init (vlib_main_t * vm) +{ + return 0; +} VLIB_INIT_FUNCTION (ip6_vxlan_gpe_bypass_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |