vppinfra: deprecate CLIB_VEC64 - vpp - Vector Packet Processing

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author	Dave Barach <dave@barachs.net>	2020-02-21 17:31:17 -0500
committer	Florin Coras <florin.coras@gmail.com>	2020-02-23 17:48:53 +0000
commit	2fef3dfa5cd916baf346369e47be468e7887904b (patch)
tree	8c759d0aa2073b940d16860698a5e8677fdae392 /src/vnet/syslog/syslog.h
parent	487507f40f4e443ff1e683641206db80875f3477 (diff)

vppinfra: deprecate CLIB_VEC64

Type: refactor Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Id1e7c0926036db4601c91438397ceed22381fc07

Diffstat (limited to 'src/vnet/syslog/syslog.h')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <ila/ila.h> #include <vnet/plugin/plugin.h> #include <vnet/ip/lookup.h> static ila_main_t ila_main; #define ILA_TABLE_DEFAULT_HASH_NUM_BUCKETS (64 * 1024) #define ILA_TABLE_DEFAULT_HASH_MEMORY_SIZE (32<<20) #define foreach_ila_error \ _(NONE, "valid ILA packets") typedef enum { #define _(sym,str) ILA_ERROR_##sym, foreach_ila_error #undef _ ILA_N_ERROR, } ila_error_t; static char *ila_error_strings[] = { #define _(sym,string) string, foreach_ila_error #undef _ }; typedef enum { ILA_ILA2SIR_NEXT_IP6_REWRITE, ILA_ILA2SIR_NEXT_DROP, ILA_ILA2SIR_N_NEXT, } ila_ila2sir_next_t; typedef struct { u32 ila_index; ip6_address_t initial_dst; u32 adj_index; } ila_ila2sir_trace_t; static ila_entry_t ila_sir2ila_default_entry = { .csum_mode = ILA_CSUM_MODE_NO_ACTION, .type = ILA_TYPE_IID, .dir = ILA_DIR_ILA2SIR, //Will pass the packet with no }; u8 * format_half_ip6_address (u8 * s, va_list * va) { u64 v = clib_net_to_host_u64 (va_arg (*va, u64)); return format (s, "%04x:%04x:%04x:%04x", v >> 48, (v >> 32) & 0xffff, (v >> 16) & 0xffff, v & 0xffff); } u8 * format_ila_direction (u8 * s, va_list * args) { ila_direction_t t = va_arg (*args, ila_direction_t); #define _(i,n,st) \ if (t == ILA_DIR_##i) \ return format(s, st); ila_foreach_direction #undef _ return format (s, "invalid_ila_direction"); } static u8 * format_csum_mode (u8 * s, va_list * va) { ila_csum_mode_t csum_mode = va_arg (*va, ila_csum_mode_t); char *txt; switch (csum_mode) { #define _(i,n,st) \ case ILA_CSUM_MODE_##i: \ txt = st; \ break; ila_csum_foreach_type #undef _ default: txt = "invalid_ila_csum_mode"; break; } return format (s, txt); } u8 * format_ila_type (u8 * s, va_list * args) { ila_type_t t = va_arg (*args, ila_type_t); #define _(i,n,st) \ if (t == ILA_TYPE_##i) \ return format(s, st); ila_foreach_type #undef _ return format (s, "invalid_ila_type"); } static u8 * format_ila_entry (u8 * s, va_list * va) { vnet_main_t *vnm = va_arg (*va, vnet_main_t *); ila_entry_t *e = va_arg (*va, ila_entry_t *); if (!e) { return format (s, "%-15s%=40s%=40s%+16s%+18s%+11s", "Type", "SIR Address", "ILA Address", "Adjacency Index", "Checksum Mode", "Direction"); } else if (vnm) { if (e->ila_adj_index == ~0) { return format (s, "%-15U%=40U%=40U%16s%18U%11U", format_ila_type, e->type, format_ip6_address, &e->sir_address, format_ip6_address, &e->ila_address, "n/a", format_csum_mode, e->csum_mode, format_ila_direction, e->dir); } else { return format (s, "%-15U%=40U%=40U%16d%18U%11U", format_ila_type, e->type, format_ip6_address, &e->sir_address, format_ip6_address, &e->ila_address, e->ila_adj_index, format_csum_mode, e->csum_mode, format_ila_direction, e->dir); } } return NULL; } u8 * format_ila_ila2sir_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 *); ila_ila2sir_trace_t *t = va_arg (*args, ila_ila2sir_trace_t *); return format (s, "ILA -> SIR adj index: %d entry index: %d initial_dst: %U", t->adj_index, t->ila_index, format_ip6_address, &t->initial_dst); } static uword unformat_ila_direction (unformat_input_t * input, va_list * args) { ila_direction_t *result = va_arg (*args, ila_direction_t *); #define _(i,n,s) \ if (unformat(input, s)) \ { \ *result = ILA_DIR_##i; \ return 1;\ } ila_foreach_direction #undef _ return 0; } static uword unformat_ila_type (unformat_input_t * input, va_list * args) { ila_type_t *result = va_arg (*args, ila_type_t *); #define _(i,n,s) \ if (unformat(input, s)) \ { \ *result = ILA_TYPE_##i; \ return 1;\ } ila_foreach_type #undef _ return 0; } static uword unformat_ila_csum_mode (unformat_input_t * input, va_list * args) { ila_csum_mode_t *result = va_arg (*args, ila_csum_mode_t *); if (unformat (input, "none") || unformat (input, "no-action")) { *result = ILA_CSUM_MODE_NO_ACTION; return 1; } if (unformat (input, "neutral-map")) { *result = ILA_CSUM_MODE_NEUTRAL_MAP; return 1; } if (unformat (input, "adjust-transport")) { *result = ILA_CSUM_MODE_ADJUST_TRANSPORT; return 1; } return 0; } static uword unformat_half_ip6_address (unformat_input_t * input, va_list * args) { u64 *result = va_arg (*args, u64 *); u32 a[4]; if (!unformat (input, "%x:%x:%x:%x", &a[0], &a[1], &a[2], &a[3])) return 0; if (a[0] > 0xFFFF || a[1] > 0xFFFF || a[2] > 0xFFFF || a[3] > 0xFFFF) return 0; *result = clib_host_to_net_u64 ((((u64) a[0]) << 48) | (((u64) a[1]) << 32) | (((u64) a[2]) << 16) | (((u64) a[3]))); return 1; } static vlib_node_registration_t ila_ila2sir_node; static uword ila_ila2sir (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { ip6_main_t *im = &ip6_main; ip_lookup_main_t *lm = &im->lookup_main; u32 n_left_from, *from, next_index, *to_next, n_left_to_next; ila_main_t *ilm = &ila_main; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next_index = node->cached_next_index; 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) { u32 pi0, pi1; vlib_buffer_t *p0, *p1; ip_adjacency_t *adj0, *adj1; ila_entry_t *ie0, *ie1; ip6_header_t *ip60, *ip61; ila_adj_data_t *ad0, *ad1; ip6_address_t *sir_address0, *sir_address1; { 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 (ip6_header_t), LOAD); CLIB_PREFETCH (p3->data, sizeof (ip6_header_t), LOAD); } pi0 = to_next[0] = from[0]; pi1 = to_next[1] = from[1]; from += 2; n_left_from -= 2; to_next += 2; n_left_to_next -= 2; p0 = vlib_get_buffer (vm, pi0); p1 = vlib_get_buffer (vm, pi1); ip60 = vlib_buffer_get_current (p0); ip61 = vlib_buffer_get_current (p1); sir_address0 = &ip60->dst_address; sir_address1 = &ip61->dst_address; adj0 = ip_get_adjacency (lm, vnet_buffer (p0)->ip.adj_index[VLIB_TX]); adj1 = ip_get_adjacency (lm, vnet_buffer (p1)->ip.adj_index[VLIB_TX]); ad0 = (ila_adj_data_t *) & adj0->opaque; ad1 = (ila_adj_data_t *) & adj1->opaque; ie0 = pool_elt_at_index (ilm->entries, ad0->entry_index); ie1 = pool_elt_at_index (ilm->entries, ad1->entry_index); if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED)) { ila_ila2sir_trace_t *tr = vlib_add_trace (vm, node, p0, sizeof (*tr)); tr->ila_index = ie0 - ilm->entries; tr->initial_dst = ip60->dst_address; tr->adj_index = vnet_buffer (p0)->ip.adj_index[VLIB_TX]; } if (PREDICT_FALSE (p1->flags & VLIB_BUFFER_IS_TRACED)) { ila_ila2sir_trace_t *tr = vlib_add_trace (vm, node, p1, sizeof (*tr)); tr->ila_index = ie1 - ilm->entries; tr->initial_dst = ip61->dst_address; tr->adj_index = vnet_buffer (p1)->ip.adj_index[VLIB_TX]; } sir_address0 = (ie0->dir != ILA_DIR_SIR2ILA) ? &ie0->sir_address : sir_address0; sir_address1 = (ie1->dir != ILA_DIR_SIR2ILA) ? &ie1->sir_address : sir_address1; ip60->dst_address.as_u64[0] = sir_address0->as_u64[0]; ip60->dst_address.as_u64[1] = sir_address0->as_u64[1]; ip61->dst_address.as_u64[0] = sir_address1->as_u64[0]; ip61->dst_address.as_u64[1] = sir_address1->as_u64[1]; vnet_buffer (p0)->ip.adj_index[VLIB_TX] = ie0->ila_adj_index; vnet_buffer (p1)->ip.adj_index[VLIB_TX] = ie1->ila_adj_index; vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, n_left_to_next, pi0, pi1, ILA_ILA2SIR_NEXT_IP6_REWRITE, ILA_ILA2SIR_NEXT_IP6_REWRITE); } /* Single loop */ while (n_left_from > 0 && n_left_to_next > 0) { u32 pi0; vlib_buffer_t *p0; ip_adjacency_t *adj0; ila_adj_data_t *ad0; ila_entry_t *ie0; ip6_header_t *ip60; ip6_address_t *sir_address0; pi0 = to_next[0] = from[0]; from += 1; n_left_from -= 1; to_next += 1; n_left_to_next -= 1; p0 = vlib_get_buffer (vm, pi0); ip60 = vlib_buffer_get_current (p0); sir_address0 = &ip60->dst_address; adj0 = ip_get_adjacency (lm, vnet_buffer (p0)->ip.adj_index[VLIB_TX]); ad0 = (ila_adj_data_t *) & adj0->opaque; ie0 = pool_elt_at_index (ilm->entries, ad0->entry_index); if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED)) { ila_ila2sir_trace_t *tr = vlib_add_trace (vm, node, p0, sizeof (*tr)); tr->ila_index = ie0 ? (ie0 - ilm->entries) : ~0; tr->initial_dst = ip60->dst_address; tr->adj_index = vnet_buffer (p0)->ip.adj_index[VLIB_TX]; } sir_address0 = (ie0->dir != ILA_DIR_SIR2ILA) ? &ie0->sir_address : sir_address0; ip60->dst_address.as_u64[0] = sir_address0->as_u64[0]; ip60->dst_address.as_u64[1] = sir_address0->as_u64[1]; vnet_buffer (p0)->ip.adj_index[VLIB_TX] = ie0->ila_adj_index; vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, pi0, ILA_ILA2SIR_NEXT_IP6_REWRITE); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } return frame->n_vectors; } VLIB_REGISTER_NODE (ila_ila2sir_node, static) = { .function = ila_ila2sir,.name = "ila-to-sir",.vector_size = sizeof (u32),.format_trace = format_ila_ila2sir_trace,.n_errors = ILA_N_ERROR,.error_strings = ila_error_strings,.n_next_nodes = ILA_ILA2SIR_N_NEXT,.next_nodes = { [ILA_ILA2SIR_NEXT_IP6_REWRITE] = "ip6-rewrite", [ILA_ILA2SIR_NEXT_DROP] = "error-drop"} ,}; typedef enum { ILA_SIR2ILA_NEXT_DROP, ILA_SIR2ILA_N_NEXT, } ila_sir2ila_next_t; typedef struct { u32 ila_index; ip6_address_t initial_dst; } ila_sir2ila_trace_t; u8 * format_ila_sir2ila_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 *); ila_sir2ila_trace_t *t = va_arg (*args, ila_sir2ila_trace_t *); return format (s, "SIR -> ILA entry index: %d initial_dst: %U", t->ila_index, format_ip6_address, &t->initial_dst); } static vlib_node_registration_t ila_sir2ila_node; static uword ila_sir2ila (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { ip6_main_t *im = &ip6_main; ip_lookup_main_t *lm = &im->lookup_main; ip_config_main_t *cm = &lm->feature_config_mains[VNET_IP_RX_UNICAST_FEAT]; u32 n_left_from, *from, next_index, *to_next, n_left_to_next; ila_main_t *ilm = &ila_main; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; next_index = node->cached_next_index; 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) { u32 pi0, pi1; vlib_buffer_t *p0, *p1; ip6_header_t *ip60, *ip61; u32 next0 = ILA_SIR2ILA_NEXT_DROP; u32 next1 = ILA_SIR2ILA_NEXT_DROP; BVT (clib_bihash_kv) kv0, value0; BVT (clib_bihash_kv) kv1, value1; ila_entry_t *ie0 = &ila_sir2ila_default_entry; ila_entry_t *ie1 = &ila_sir2ila_default_entry; ip6_address_t *ila_address0, *ila_address1; { 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 (ip6_header_t), LOAD); CLIB_PREFETCH (p3->data, sizeof (ip6_header_t), LOAD); } pi0 = to_next[0] = from[0]; pi1 = to_next[1] = from[1]; from += 2; n_left_from -= 2; to_next += 2; n_left_to_next -= 2; p0 = vlib_get_buffer (vm, pi0); p1 = vlib_get_buffer (vm, pi1); ip60 = vlib_buffer_get_current (p0); ip61 = vlib_buffer_get_current (p1); ila_address0 = &ip60->dst_address; ila_address1 = &ip61->dst_address; kv0.key[0] = ip60->dst_address.as_u64[0]; kv0.key[1] = ip60->dst_address.as_u64[1]; kv0.key[2] = 0; kv1.key[0] = ip61->dst_address.as_u64[0]; kv1.key[1] = ip61->dst_address.as_u64[1]; kv1.key[2] = 0; if (PREDICT_TRUE((BV (clib_bihash_search) (&ilm->id_to_entry_table, &kv0, &value0)) == 0)) { ie0 = &ilm->entries[value0.value]; ila_address0 = (ie0->dir != ILA_DIR_ILA2SIR) ? &ie0->ila_address : ila_address0; } if ((BV (clib_bihash_search) (&ilm->id_to_entry_table, &kv1, &value1)) == 0) { ie1 = &ilm->entries[value1.value]; ila_address1 = (ie1->dir != ILA_DIR_ILA2SIR) ? &ie1->ila_address : ila_address1; } if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED)) { ila_sir2ila_trace_t *tr = vlib_add_trace (vm, node, p0, sizeof (*tr)); tr->ila_index = (ie0 != &ila_sir2ila_default_entry) ? (ie0 - ilm->entries) : ~0; tr->initial_dst = ip60->dst_address; } if (PREDICT_FALSE (p1->flags & VLIB_BUFFER_IS_TRACED)) { ila_sir2ila_trace_t *tr = vlib_add_trace (vm, node, p1, sizeof (*tr)); tr->ila_index = (ie1 != &ila_sir2ila_default_entry) ? (ie1 - ilm->entries) : ~0; tr->initial_dst = ip61->dst_address; } ip60->dst_address.as_u64[0] = ila_address0->as_u64[0]; ip60->dst_address.as_u64[1] = ila_address0->as_u64[1]; ip61->dst_address.as_u64[0] = ila_address1->as_u64[0]; ip61->dst_address.as_u64[1] = ila_address1->as_u64[1]; vnet_get_config_data (&cm->config_main, &p0->current_config_index, &next0, 0); vnet_get_config_data (&cm->config_main, &p1->current_config_index, &next1, 0); vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, n_left_to_next, pi0, pi1, next0, next1); } /* Single loop */ while (n_left_from > 0 && n_left_to_next > 0) { u32 pi0; vlib_buffer_t *p0; ip6_header_t *ip60; u32 next0 = ILA_SIR2ILA_NEXT_DROP; BVT (clib_bihash_kv) kv0, value0; ila_entry_t *ie0 = &ila_sir2ila_default_entry; ip6_address_t *ila_address0; pi0 = to_next[0] = from[0]; from += 1; n_left_from -= 1; to_next += 1; n_left_to_next -= 1; p0 = vlib_get_buffer (vm, pi0); ip60 = vlib_buffer_get_current (p0); ila_address0 = &ip60->dst_address; kv0.key[0] = ip60->dst_address.as_u64[0]; kv0.key[1] = ip60->dst_address.as_u64[1]; kv0.key[2] = 0; if (PREDICT_TRUE((BV (clib_bihash_search) (&ilm->id_to_entry_table, &kv0, &value0)) == 0)) { ie0 = &ilm->entries[value0.value]; ila_address0 = (ie0->dir != ILA_DIR_ILA2SIR) ? &ie0->ila_address : ila_address0; } if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED)) { ila_sir2ila_trace_t *tr = vlib_add_trace (vm, node, p0, sizeof (*tr)); tr->ila_index = (ie0 != &ila_sir2ila_default_entry) ? (ie0 - ilm->entries) : ~0; tr->initial_dst = ip60->dst_address; } //This operation should do everything for any type (except vnid4 obviously) ip60->dst_address.as_u64[0] = ila_address0->as_u64[0]; ip60->dst_address.as_u64[1] = ila_address0->as_u64[1]; vnet_get_config_data (&cm->config_main, &p0->current_config_index, &next0, 0); vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, pi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } return frame->n_vectors; } VLIB_REGISTER_NODE (ila_sir2ila_node, static) = { .function = ila_sir2ila,.name = "sir-to-ila",.vector_size = sizeof (u32),.format_trace = format_ila_sir2ila_trace,.n_errors = ILA_N_ERROR,.error_strings = ila_error_strings,.n_next_nodes = ILA_SIR2ILA_N_NEXT,.next_nodes = { [ILA_SIR2ILA_NEXT_DROP] = "error-drop"} ,}; VNET_IP6_UNICAST_FEATURE_INIT (ila_sir2ila, static) = { .node_name = "sir-to-ila", .runs_before = ORDER_CONSTRAINTS{"ip6-lookup", 0}, .feature_index = &ila_main.ila_sir2ila_feature_index, }; int ila_add_del_entry (ila_add_del_entry_args_t * args) { ila_main_t *ilm = &ila_main; ip6_main_t *im6 = &ip6_main; BVT (clib_bihash_kv) kv, value; //Sanity check if (args->type == ILA_TYPE_IID || args->type == ILA_TYPE_LUID) { if ((args->sir_address.as_u8[8] >> 5) != args->type) { clib_warning ("Incorrect SIR address (ILA type mismatch %d %d)", args->sir_address.as_u8[8] >> 1, args->type); return -1; } if (args->sir_address.as_u8[8] & 0x10) { clib_warning ("Checksum bit should not be set in SIR address"); return -1; } } else if (args->type == ILA_TYPE_VNIDM) { if (args->sir_address.as_u8[0] != 0xff || (args->sir_address.as_u8[1] & 0xf0) != 0xf0) { clib_warning ("SIR multicast address must start with fff"); return -1; } if (args->sir_address.as_u16[1] || args->sir_address.as_u16[2] || args->sir_address.as_u16[3] || args->sir_address.as_u16[4] || args->sir_address.as_u16[5] || (args->sir_address.as_u8[12] & 0xf0)) { clib_warning ("SIR multicast address must start with fff"); return -1; } } if (!args->is_del) { ila_entry_t *e; pool_get (ilm->entries, e); e->type = args->type; e->sir_address = args->sir_address; e->ila_adj_index = args->local_adj_index; e->csum_mode = args->csum_mode; e->dir = args->dir; //Construct ILA address switch (e->type) { case ILA_TYPE_IID: e->ila_address = e->sir_address; break; case ILA_TYPE_LUID: e->ila_address.as_u64[0] = args->locator; e->ila_address.as_u64[1] = args->sir_address.as_u64[1]; break; case ILA_TYPE_VNID6: e->ila_address.as_u64[0] = args->locator; e->ila_address.as_u8[8] = (ILA_TYPE_VNID6 << 1); e->ila_address.as_u32[2] |= args->vnid; e->ila_address.as_u32[3] = args->sir_address.as_u32[3]; break; case ILA_TYPE_VNIDM: e->ila_address.as_u64[0] = args->locator; e->ila_address.as_u8[8] = (ILA_TYPE_VNIDM << 1); e->ila_address.as_u32[2] |= args->vnid; e->ila_address.as_u32[3] = args->sir_address.as_u32[3]; e->ila_address.as_u8[12] |= args->sir_address.as_u8[2] << 4; break; case ILA_TYPE_VNID4: clib_warning ("ILA type '%U' is not supported", format_ila_type, e->type); return -1; } //Modify ILA checksum if necessary if (e->csum_mode == ILA_CSUM_MODE_NEUTRAL_MAP) { ip_csum_t csum = e->ila_address.as_u16[7]; int i; for (i = 0; i < 4; i++) { csum = ip_csum_sub_even (csum, e->sir_address.as_u32[i]); csum = ip_csum_add_even (csum, e->ila_address.as_u32[i]); } csum = ip_csum_add_even (csum, clib_host_to_net_u16 (0x1000)); e->ila_address.as_u16[7] = ip_csum_fold (csum); e->ila_address.as_u8[8] |= 0x10; } //Create entry with the sir address kv.key[0] = e->sir_address.as_u64[0]; kv.key[1] = e->sir_address.as_u64[1]; kv.key[2] = 0; kv.value = e - ilm->entries; BV (clib_bihash_add_del) (&ilm->id_to_entry_table, &kv, 1 /* is_add */ ); if (e->ila_adj_index != ~0) { //This is a local entry - let's create a local adjacency ip_adjacency_t adj; ip6_add_del_route_args_t route_args; ila_adj_data_t *ad; //Adjacency memset (&adj, 0, sizeof (adj)); adj.explicit_fib_index = ~0; adj.lookup_next_index = ilm->ip6_lookup_next_index; ad = (ila_adj_data_t *) & adj.opaque; ad->entry_index = e - ilm->entries; //Route memset (&route_args, 0, sizeof (route_args)); route_args.table_index_or_table_id = 0; route_args.flags = IP6_ROUTE_FLAG_ADD; route_args.dst_address = e->ila_address; route_args.dst_address_length = 128; route_args.adj_index = ~0; route_args.add_adj = &adj; route_args.n_add_adj = 1; ip6_add_del_route (im6, &route_args); } } else { ila_entry_t *e; kv.key[0] = args->sir_address.as_u64[0]; kv.key[1] = args->sir_address.as_u64[1]; kv.key[2] = 0; if ((BV (clib_bihash_search) (&ilm->id_to_entry_table, &kv, &value) < 0)) { return -1; } e = &ilm->entries[value.value]; if (e->ila_adj_index != ~0) { //Delete that route - Associated adjacency will be deleted too ip6_add_del_route_args_t route_args; memset (&route_args, 0, sizeof (route_args)); route_args.table_index_or_table_id = 0; route_args.flags = IP6_ROUTE_FLAG_DEL; route_args.dst_address = e->ila_address; route_args.dst_address_length = 128; route_args.adj_index = ~0; route_args.add_adj = NULL; route_args.n_add_adj = 0; ip6_add_del_route (im6, &route_args); } BV (clib_bihash_add_del) (&ilm->id_to_entry_table, &kv, 0 /* is_add */ ); pool_put (ilm->entries, e); } return 0; } int ila_interface (u32 sw_if_index, u8 disable) { vlib_main_t *vm = vlib_get_main (); ila_main_t *ilm = &ila_main; ip6_main_t *im = &ip6_main; ip_lookup_main_t *lm = &im->lookup_main; ip_config_main_t *cm = &lm->feature_config_mains[VNET_IP_RX_UNICAST_FEAT]; vnet_config_main_t *vcm = &cm->config_main; u32 ci, feature_index; vec_validate_init_empty (cm->config_index_by_sw_if_index, sw_if_index, ~0); ci = cm->config_index_by_sw_if_index[sw_if_index]; feature_index = ilm->ila_sir2ila_feature_index; ci = ((disable) ? vnet_config_del_feature : vnet_config_add_feature) (vm, vcm, ci, feature_index, /* config data */ 0, /* # bytes of config data */ 0); cm->config_index_by_sw_if_index[sw_if_index] = ci; return 0; } clib_error_t * vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h, int from_early_init) { clib_error_t *error = 0; return error; } u8 *ila_format_adjacency(u8 * s, va_list * va) { ila_main_t *ilm = &ila_main; __attribute((unused)) ip_lookup_main_t *lm = va_arg (*va, ip_lookup_main_t *); ip_adjacency_t *adj = va_arg (*va, ip_adjacency_t *); ila_adj_data_t * ad = (ila_adj_data_t *) & adj->opaque; ila_entry_t *ie = pool_elt_at_index (ilm->entries, ad->entry_index); return format(s, "idx:%d sir:%U", ad->entry_index, format_ip6_address, &ie->sir_address); } clib_error_t * ila_init (vlib_main_t * vm) { ila_main_t *ilm = &ila_main; ilm->entries = NULL; ASSERT (sizeof (ila_adj_data_t) < IP_ADJACENCY_OPAQUE_SZ); ilm->lookup_table_nbuckets = ILA_TABLE_DEFAULT_HASH_NUM_BUCKETS; ilm->lookup_table_nbuckets = 1 << max_log2 (ilm->lookup_table_nbuckets); ilm->lookup_table_size = ILA_TABLE_DEFAULT_HASH_MEMORY_SIZE; BV (clib_bihash_init) (&ilm->id_to_entry_table, "ila id to entry index table", ilm->lookup_table_nbuckets, ilm->lookup_table_size); return NULL; } VNET_IP6_REGISTER_ADJACENCY(ila2sir) = { .node_name = "ila-to-sir", .fn = ila_format_adjacency, .next_index = &ila_main.ip6_lookup_next_index }; VLIB_INIT_FUNCTION (ila_init); static clib_error_t * ila_entry_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; ila_add_del_entry_args_t args = { 0 }; ip6_address_t next_hop; u8 next_hop_set = 0; ip6_main_t *im6 = &ip6_main; int ret; args.type = ILA_TYPE_IID; args.csum_mode = ILA_CSUM_MODE_NO_ACTION; args.local_adj_index = ~0; args.dir = ILA_DIR_BIDIR; if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "type %U", unformat_ila_type, &args.type)) ; else if (unformat (line_input, "sir-address %U", unformat_ip6_address, &args.sir_address)) ; else if (unformat (line_input, "locator %U", unformat_half_ip6_address, &args.locator)) ; else if (unformat (line_input, "adj-index %u", &args.local_adj_index)) ; else if (unformat (line_input, "csum-mode %U", unformat_ila_csum_mode, &args.csum_mode)) ; else if (unformat (line_input, "vnid %x", &args.vnid)) ; else if (unformat (line_input, "next-hop %U", unformat_ip6_address, &next_hop)) next_hop_set = 1; else if (unformat (line_input, "direction %U", unformat_ila_direction, &args.dir)) ; else if (unformat (line_input, "del")) args.is_del = 1; else return clib_error_return (0, "parse error: '%U'", format_unformat_error, line_input); } unformat_free (line_input); if (next_hop_set) { if (args.local_adj_index != ~0) return clib_error_return (0, "Specified both next hop and adjacency index"); u32 ai = ip6_get_route (im6, 0, 0, &next_hop, 128); if (ai == 0) return clib_error_return (0, "No route to next-hop %U", format_ip6_address, &next_hop); ip_lookup_main_t *lm6 = &ip6_main.lookup_main; ip_adjacency_t *adj6 = ip_get_adjacency (lm6, ai); if (adj6->lookup_next_index != IP_LOOKUP_NEXT_REWRITE) { return clib_error_return (0, "Next-Hop route has to be a rewrite route"); } args.local_adj_index = ai; } if ((ret = ila_add_del_entry (&args))) return clib_error_return (0, "ila_add_del_entry returned error %d", ret); return NULL; } VLIB_CLI_COMMAND (ila_entry_command, static) = { .path = "ila entry", .short_help = "ila entry [type <type>] [sir-address <address>] [locator <locator>] [vnid <hex-vnid>]" " [adj-index <adj-index>] [next-hop <next-hop>] [direction (bidir|sir2ila|ila2sir)]" " [csum-mode (no-action|neutral-map|transport-adjust)] [del]", .function = ila_entry_command_fn, }; static clib_error_t * ila_interface_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t *vnm = vnet_get_main (); u32 sw_if_index = ~0; u8 disable = 0; if (!unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)) { return clib_error_return (0, "Invalid interface name"); } if (unformat (input, "disable")) { disable = 1; } int ret; if ((ret = ila_interface (sw_if_index, disable))) return clib_error_return (0, "ila_interface returned error %d", ret); return NULL; } VLIB_CLI_COMMAND (ila_interface_command, static) = { .path = "ila interface", .short_help = "ila interface <interface-name> [disable]", .function = ila_interface_command_fn, }; static clib_error_t * ila_show_entries_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t *vnm = vnet_get_main (); ila_main_t *ilm = &ila_main; ila_entry_t *e; vlib_cli_output (vm, " %U\n", format_ila_entry, vnm, NULL); pool_foreach (e, ilm->entries, ({ vlib_cli_output (vm, " %U\n", format_ila_entry, vnm, e); })); return NULL; } VLIB_CLI_COMMAND (ila_show_entries_command, static) = { .path = "show ila entries", .short_help = "show ila entries", .function = ila_show_entries_command_fn, };


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