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path: root/src/vnet/mfib
AgeCommit message (Expand)AuthorFilesLines
2018-09-19GRE: fix 4o6 and 6o4 adj stackingNeale Ranns1-17/+0
2018-09-10vxlan-gbp: Add support for vxlan gbpMohsin Kazmi1-0/+2
2018-08-22IPIP and SIXRD tunnels create API needs table-IDs not fib-indexesNeale Ranns1-0/+2
2018-07-09IGMP improvementsNeale Ranns1-0/+2
2018-05-04Harmonize vec/pool_get_aligned object sizes and alignment requestsDave Barach2-0/+10
2018-04-17IP mcast: allow unicast address as a next-hopNeale Ranns4-38/+279
2018-03-20FIB Interpose SourceNeale Ranns1-203/+214
2018-03-09MPLS Unifom modeNeale Ranns1-2/+4
2018-01-24Improve the error reporting for a IP multicast RPF miss.Neale Ranns1-2/+12
2018-01-11api: fix handlers that explicitly depend on svm queueFlorin Coras2-5/+5
2018-01-09api: refactor vlibmemoryFlorin Coras2-4/+4
2017-12-13Separate heap for IPv4 mtriesNeale Ranns1-3/+3
2017-12-12Stats for Multicast FIBNeale Ranns2-0/+13
2017-11-29Include allocated table memory in 'sh fib mem' outputNeale Ranns6-16/+113
2017-11-26FIB: store the node type not the function pointer.Neale Ranns1-2/+0
2017-11-09BIERNeale Ranns1-1/+2
2017-10-26fib test - fix undefined behavior warning found by clangGabriel Ganne1-1/+1
2017-10-15Revert "Enforce FIB table creation before use"Florin Coras1-0/+1
2017-10-13Enforce FIB table creation before useNeale Ranns1-1/+0
2017-10-06Initial GENEVE TUNNEL implementation and tests.Marco Varlese1-0/+2
2017-10-04[aarch64] Fixes CLI crashes on dpaa2 platform.Christophe Fontaine3-8/+8
2017-09-13Add a name to the creation of an IP and MPLS tableNeale Ranns3-8/+63
2017-09-11FIB table add/delete APINeale Ranns10-34/+149
2017-08-29Fix for bootstrap crash when VPP compiled with gcc-7Marco Varlese1-1/+1
2017-08-08L2 over MPLSNeale Ranns3-16/+14
2017-06-06Rework vxlan-gpe to support FIB 2.0 and bypass modeHongjun Ni1-0/+2
2017-06-01IP Mcast - recalculate on interface up/dowmNeale Ranns2-56/+87
2017-05-23ARP/ND entries for the same address on different interfaces (VPP-848)Neale Ranns1-4/+4
2017-05-19mfib CLI bugs (VPP-852)Neale Ranns2-8/+14
2017-05-15Add GTP-U plugin. VPP-694Hongjun Ni1-0/+2
2017-05-02Allow local/for-us replications for IP multicast routes on the CLINeale Ranns1-4/+2
2017-04-07MPLS McastNeale Ranns8-165/+417
2017-02-25MFIB: changes to improve route add/delete performanceNeale Ranns2-2/+9
2017-02-24MFIB memory leak. free the per-source interface hashNeale Ranns1-0/+2
2017-02-20Python test IP and MPLS objects conform to infra.Neale Ranns8-12/+129
2017-02-13Basic support for LISP-GPE encapsulated NSH packetsFlorin Coras1-0/+1
2017-02-09Improve MFIB doxygen helpNeale Ranns4-4/+12
2017-02-02Fix SR multicast post mfib commitNeale Ranns6-22/+210
2017-01-31MFIB Coverity warnings. The lock macro is functionally equivalent but more ex...Neale Ranns2-25/+40
2017-01-28sh not show in the mfib flags commandsNeale Ranns1-2/+2
2017-01-27IP Multicast FIB (mfib)Neale Ranns16-0/+5997
an> format_gre_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 *); gre_rx_trace_t * t = va_arg (*args, gre_rx_trace_t *); s = format (s, "GRE: tunnel %d len %d src %U dst %U", t->tunnel_id, clib_net_to_host_u16(t->length), format_ip4_address, &t->src.as_u8, format_ip4_address, &t->dst.as_u8); return s; } typedef struct { /* Sparse vector mapping gre protocol in network byte order to next index. */ u16 * next_by_protocol; } gre_input_runtime_t; static uword gre_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { gre_main_t * gm = &gre_main; gre_input_runtime_t * rt = (void *) node->runtime_data; __attribute__((unused)) u32 n_left_from, next_index, * from, * to_next; u64 cached_tunnel_key = (u64) ~0; u32 cached_tunnel_sw_if_index = 0, tunnel_sw_if_index = 0; u32 cpu_index = os_get_cpu_number(); u32 len; vnet_interface_main_t *im = &gm->vnet_main->interface_main; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; next_index = node->cached_next_index; while (n_left_from > 0) { u32 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; gre_header_t * h0, * h1; u16 version0, version1; int verr0, verr1; u32 i0, i1, next0, next1, protocol0, protocol1; ip4_header_t *ip0, *ip1; /* 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, sizeof (h0[0]), LOAD); CLIB_PREFETCH (p3->data, sizeof (h1[0]), 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); /* ip4_local hands us the ip header, not the gre header */ ip0 = vlib_buffer_get_current (b0); ip1 = vlib_buffer_get_current (b1); /* Save src + dst ip4 address, e.g. for mpls-o-gre */ vnet_buffer(b0)->gre.src = ip0->src_address.as_u32; vnet_buffer(b0)->gre.dst = ip0->dst_address.as_u32; vnet_buffer(b1)->gre.src = ip1->src_address.as_u32; vnet_buffer(b1)->gre.dst = ip1->dst_address.as_u32; vlib_buffer_advance (b0, sizeof (*ip0)); vlib_buffer_advance (b1, sizeof (*ip1)); h0 = vlib_buffer_get_current (b0); h1 = vlib_buffer_get_current (b1); /* Index sparse array with network byte order. */ protocol0 = h0->protocol; protocol1 = h1->protocol; sparse_vec_index2 (rt->next_by_protocol, protocol0, protocol1, &i0, &i1); next0 = vec_elt(rt->next_by_protocol, i0); next1 = vec_elt(rt->next_by_protocol, i1); b0->error = node->errors[i0 == SPARSE_VEC_INVALID_INDEX ? GRE_ERROR_UNKNOWN_PROTOCOL : GRE_ERROR_NONE]; b1->error = node->errors[i1 == SPARSE_VEC_INVALID_INDEX ? GRE_ERROR_UNKNOWN_PROTOCOL : GRE_ERROR_NONE]; version0 = clib_net_to_host_u16 (h0->flags_and_version); verr0 = version0 & GRE_VERSION_MASK; version1 = clib_net_to_host_u16 (h1->flags_and_version); verr1 = version1 & GRE_VERSION_MASK; b0->error = verr0 ? node->errors[GRE_ERROR_UNSUPPORTED_VERSION] : b0->error; next0 = verr0 ? GRE_INPUT_NEXT_DROP : next0; b1->error = verr1 ? node->errors[GRE_ERROR_UNSUPPORTED_VERSION] : b1->error; next1 = verr1 ? GRE_INPUT_NEXT_DROP : next1; /* RPF check for ip4/ip6 input */ if (PREDICT_TRUE(next0 == GRE_INPUT_NEXT_IP4_INPUT || next0 == GRE_INPUT_NEXT_IP6_INPUT || next0 == GRE_INPUT_NEXT_ETHERNET_INPUT || next0 == GRE_INPUT_NEXT_MPLS_INPUT)) { u64 key = ((u64)(vnet_buffer(b0)->gre.dst) << 32) | (u64)(vnet_buffer(b0)->gre.src); if (cached_tunnel_key != key) { vnet_hw_interface_t * hi; gre_tunnel_t * t; uword * p; p = hash_get (gm->tunnel_by_key, key); if (!p) { next0 = GRE_INPUT_NEXT_DROP; b0->error = node->errors[GRE_ERROR_NO_SUCH_TUNNEL]; goto drop0; } t = pool_elt_at_index (gm->tunnels, p[0]); hi = vnet_get_hw_interface (gm->vnet_main, t->hw_if_index); tunnel_sw_if_index = hi->sw_if_index; cached_tunnel_sw_if_index = tunnel_sw_if_index; } else { tunnel_sw_if_index = cached_tunnel_sw_if_index; } } else { next0 = GRE_INPUT_NEXT_DROP; goto drop0; } len = vlib_buffer_length_in_chain (vm, b0); vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, cpu_index, tunnel_sw_if_index, 1 /* packets */, len /* bytes */); vnet_buffer(b0)->sw_if_index[VLIB_RX] = tunnel_sw_if_index; drop0: if (PREDICT_TRUE(next1 == GRE_INPUT_NEXT_IP4_INPUT || next1 == GRE_INPUT_NEXT_IP6_INPUT || next1 == GRE_INPUT_NEXT_ETHERNET_INPUT || next1 == GRE_INPUT_NEXT_MPLS_INPUT)) { u64 key = ((u64)(vnet_buffer(b1)->gre.dst) << 32) | (u64)(vnet_buffer(b1)->gre.src); if (cached_tunnel_key != key) { vnet_hw_interface_t * hi; gre_tunnel_t * t; uword * p; p = hash_get (gm->tunnel_by_key, key); if (!p) { next1 = GRE_INPUT_NEXT_DROP; b1->error = node->errors[GRE_ERROR_NO_SUCH_TUNNEL]; goto drop1; } t = pool_elt_at_index (gm->tunnels, p[0]); hi = vnet_get_hw_interface (gm->vnet_main, t->hw_if_index); tunnel_sw_if_index = hi->sw_if_index; cached_tunnel_sw_if_index = tunnel_sw_if_index; } else { tunnel_sw_if_index = cached_tunnel_sw_if_index; } } else { next1 = GRE_INPUT_NEXT_DROP; goto drop1; } len = vlib_buffer_length_in_chain (vm, b1); vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, cpu_index, tunnel_sw_if_index, 1 /* packets */, len /* bytes */); vnet_buffer(b1)->sw_if_index[VLIB_RX] = tunnel_sw_if_index; drop1: if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { gre_rx_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); tr->tunnel_id = tunnel_sw_if_index; tr->length = ip0->length; tr->src.as_u32 = ip0->src_address.as_u32; tr->dst.as_u32 = ip0->dst_address.as_u32; } if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED)) { gre_rx_trace_t *tr = vlib_add_trace (vm, node, b1, sizeof (*tr)); tr->tunnel_id = tunnel_sw_if_index; tr->length = ip1->length; tr->src.as_u32 = ip1->src_address.as_u32; tr->dst.as_u32 = ip1->dst_address.as_u32; } vlib_buffer_advance (b0, sizeof (*h0)); vlib_buffer_advance (b1, sizeof (*h1)); 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; gre_header_t * h0; ip4_header_t * ip0; u16 version0; int verr0; u32 i0, next0; 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); ip0 = vlib_buffer_get_current (b0); vnet_buffer(b0)->gre.src = ip0->src_address.as_u32; vnet_buffer(b0)->gre.dst = ip0->dst_address.as_u32; vlib_buffer_advance (b0, sizeof (*ip0)); h0 = vlib_buffer_get_current (b0); i0 = sparse_vec_index (rt->next_by_protocol, h0->protocol); next0 = vec_elt(rt->next_by_protocol, i0); b0->error = node->errors[i0 == SPARSE_VEC_INVALID_INDEX ? GRE_ERROR_UNKNOWN_PROTOCOL : GRE_ERROR_NONE]; version0 = clib_net_to_host_u16 (h0->flags_and_version); verr0 = version0 & GRE_VERSION_MASK; b0->error = verr0 ? node->errors[GRE_ERROR_UNSUPPORTED_VERSION] : b0->error; next0 = verr0 ? GRE_INPUT_NEXT_DROP : next0; /* For IP payload we need to find source interface so we can increase counters and help forward node to pick right FIB */ /* RPF check for ip4/ip6 input */ if (PREDICT_TRUE(next0 == GRE_INPUT_NEXT_IP4_INPUT || next0 == GRE_INPUT_NEXT_IP6_INPUT || next0 == GRE_INPUT_NEXT_ETHERNET_INPUT || next0 == GRE_INPUT_NEXT_MPLS_INPUT)) { u64 key = ((u64)(vnet_buffer(b0)->gre.dst) << 32) | (u64)(vnet_buffer(b0)->gre.src); if (cached_tunnel_key != key) { vnet_hw_interface_t * hi; gre_tunnel_t * t; uword * p; p = hash_get (gm->tunnel_by_key, key); if (!p) { next0 = GRE_INPUT_NEXT_DROP; b0->error = node->errors[GRE_ERROR_NO_SUCH_TUNNEL]; goto drop; } t = pool_elt_at_index (gm->tunnels, p[0]); hi = vnet_get_hw_interface (gm->vnet_main, t->hw_if_index); tunnel_sw_if_index = hi->sw_if_index; cached_tunnel_sw_if_index = tunnel_sw_if_index; } else { tunnel_sw_if_index = cached_tunnel_sw_if_index; } } else { next0 = GRE_INPUT_NEXT_DROP; goto drop; } len = vlib_buffer_length_in_chain (vm, b0); vlib_increment_combined_counter (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, cpu_index, tunnel_sw_if_index, 1 /* packets */, len /* bytes */); vnet_buffer(b0)->sw_if_index[VLIB_RX] = tunnel_sw_if_index; drop: if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { gre_rx_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); tr->tunnel_id = tunnel_sw_if_index; tr->length = ip0->length; tr->src.as_u32 = ip0->src_address.as_u32; tr->dst.as_u32 = ip0->dst_address.as_u32; } vlib_buffer_advance (b0, sizeof (*h0)); 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, gre_input_node.index, GRE_ERROR_PKTS_DECAP, from_frame->n_vectors); return from_frame->n_vectors; } static char * gre_error_strings[] = { #define gre_error(n,s) s, #include "error.def" #undef gre_error }; VLIB_REGISTER_NODE (gre_input_node) = { .function = gre_input, .name = "gre-input", /* Takes a vector of packets. */ .vector_size = sizeof (u32), .runtime_data_bytes = sizeof (gre_input_runtime_t), .n_errors = GRE_N_ERROR, .error_strings = gre_error_strings, .n_next_nodes = GRE_INPUT_N_NEXT, .next_nodes = { #define _(s,n) [GRE_INPUT_NEXT_##s] = n, foreach_gre_input_next #undef _ }, .format_buffer = format_gre_header_with_length, .format_trace = format_gre_rx_trace, .unformat_buffer = unformat_gre_header, }; VLIB_NODE_FUNCTION_MULTIARCH (gre_input_node, gre_input) void gre_register_input_protocol (vlib_main_t * vm, gre_protocol_t protocol, u32 node_index) { gre_main_t * em = &gre_main; gre_protocol_info_t * pi; u16 * n; { clib_error_t * error = vlib_call_init_function (vm, gre_input_init); if (error) clib_error_report (error); } pi = gre_get_protocol_info (em, protocol); pi->node_index = node_index; pi->next_index = vlib_node_add_next (vm, gre_input_node.index, node_index); /* Setup gre protocol -> next index sparse vector mapping. */ foreach_vlib_main ({ gre_input_runtime_t * rt; rt = vlib_node_get_runtime_data (this_vlib_main, gre_input_node.index); n = sparse_vec_validate (rt->next_by_protocol, clib_host_to_net_u16 (protocol)); n[0] = pi->next_index; }); } static void gre_setup_node (vlib_main_t * vm, u32 node_index) { vlib_node_t * n = vlib_get_node (vm, node_index); pg_node_t * pn = pg_get_node (node_index); n->format_buffer = format_gre_header_with_length; n->unformat_buffer = unformat_gre_header; pn->unformat_edit = unformat_pg_gre_header; } static clib_error_t * gre_input_init (vlib_main_t * vm) { gre_input_runtime_t * rt; vlib_node_t *ethernet_input, *ip4_input, *ip6_input, *mpls_unicast_input; { clib_error_t * error; error = vlib_call_init_function (vm, gre_init); if (error) clib_error_report (error); } gre_setup_node (vm, gre_input_node.index); rt = vlib_node_get_runtime_data (vm, gre_input_node.index); rt->next_by_protocol = sparse_vec_new (/* elt bytes */ sizeof (rt->next_by_protocol[0]), /* bits in index */ BITS (((gre_header_t *) 0)->protocol)); /* These could be moved to the supported protocol input node defn's */ ethernet_input = vlib_get_node_by_name (vm, (u8 *)"ethernet-input"); ASSERT(ethernet_input); ip4_input = vlib_get_node_by_name (vm, (u8 *)"ip4-input"); ASSERT(ip4_input); ip6_input = vlib_get_node_by_name (vm, (u8 *)"ip6-input"); ASSERT(ip6_input); mpls_unicast_input = vlib_get_node_by_name (vm, (u8 *)"mpls-input"); ASSERT(mpls_unicast_input); gre_register_input_protocol (vm, GRE_PROTOCOL_teb, ethernet_input->index); gre_register_input_protocol (vm, GRE_PROTOCOL_ip4, ip4_input->index); gre_register_input_protocol (vm, GRE_PROTOCOL_ip6, ip6_input->index); gre_register_input_protocol (vm, GRE_PROTOCOL_mpls_unicast, mpls_unicast_input->index); ip4_register_protocol (IP_PROTOCOL_GRE, gre_input_node.index); return 0; } VLIB_INIT_FUNCTION (gre_input_init); static clib_error_t * gre_input_worker_init (vlib_main_t * vm) { gre_input_runtime_t * rt; rt = vlib_node_get_runtime_data (vm, gre_input_node.index); rt->next_by_protocol = sparse_vec_new (/* elt bytes */ sizeof (rt->next_by_protocol[0]), /* bits in index */ BITS (((gre_header_t *) 0)->protocol)); return 0; } VLIB_WORKER_INIT_FUNCTION (gre_input_worker_init);