X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fipsec%2Fesp_decrypt.c;h=1bcc65ca9723517d5f95233affaeac20baac8117;hb=ad95b06181c354291f4433c5e550cb89c5122252;hp=e5277b1e1c237a96b1027ceeb8df7fc99cbd6de3;hpb=490b92738f3cc1c8d534abd6dee8dba942cb652d;p=vpp.git diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c index e5277b1e1c2..1bcc65ca972 100644 --- a/src/vnet/ipsec/esp_decrypt.c +++ b/src/vnet/ipsec/esp_decrypt.c @@ -14,7 +14,6 @@ * See the License for the specific language governing permissions and * limitations under the License. */ - #include #include #include @@ -58,44 +57,21 @@ typedef enum ESP_DECRYPT_POST_N_NEXT, } esp_decrypt_post_next_t; -#define foreach_esp_decrypt_error \ - _(RX_PKTS, "ESP pkts received") \ - _(RX_POST_PKTS, "ESP-POST pkts received") \ - _(DECRYPTION_FAILED, "ESP decryption failed") \ - _(INTEG_ERROR, "Integrity check failed") \ - _(CRYPTO_ENGINE_ERROR, "crypto engine error (packet dropped)") \ - _(REPLAY, "SA replayed packet") \ - _(RUNT, "undersized packet") \ - _(NO_BUFFERS, "no buffers (packet dropped)") \ - _(OVERSIZED_HEADER, "buffer with oversized header (dropped)") \ - _(NO_TAIL_SPACE, "no enough buffer tail space (dropped)") \ - _(TUN_NO_PROTO, "no tunnel protocol") \ - _(UNSUP_PAYLOAD, "unsupported payload") \ - - -typedef enum -{ -#define _(sym,str) ESP_DECRYPT_ERROR_##sym, - foreach_esp_decrypt_error -#undef _ - ESP_DECRYPT_N_ERROR, -} esp_decrypt_error_t; - -static char *esp_decrypt_error_strings[] = { -#define _(sym,string) string, - foreach_esp_decrypt_error -#undef _ -}; - typedef struct { u32 seq; u32 sa_seq; u32 sa_seq_hi; + u32 pkt_seq_hi; ipsec_crypto_alg_t crypto_alg; ipsec_integ_alg_t integ_alg; } esp_decrypt_trace_t; +typedef vl_counter_esp_decrypt_enum_t esp_decrypt_error_t; + +/* The number of byres in the hisequence number */ +#define N_HI_ESN_BYTES 4 + /* packet trace format function */ static u8 * format_esp_decrypt_trace (u8 * s, va_list * args) @@ -104,11 +80,11 @@ format_esp_decrypt_trace (u8 * s, va_list * args) CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); esp_decrypt_trace_t *t = va_arg (*args, esp_decrypt_trace_t *); - s = - format (s, - "esp: crypto %U integrity %U pkt-seq %d sa-seq %u sa-seq-hi %u", - format_ipsec_crypto_alg, t->crypto_alg, format_ipsec_integ_alg, - t->integ_alg, t->seq, t->sa_seq, t->sa_seq_hi); + s = format (s, + "esp: crypto %U integrity %U pkt-seq %d sa-seq %u sa-seq-hi %u " + "pkt-seq-hi %u", + format_ipsec_crypto_alg, t->crypto_alg, format_ipsec_integ_alg, + t->integ_alg, t->seq, t->sa_seq, t->sa_seq_hi, t->pkt_seq_hi); return s; } @@ -137,8 +113,9 @@ esp_process_ops (vlib_main_t * vm, vlib_node_runtime_t * node, err = e; else err = ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR; - b[bi]->error = node->errors[err]; - nexts[bi] = ESP_DECRYPT_NEXT_DROP; + esp_decrypt_set_next_index (b[bi], node, vm->thread_index, err, bi, + nexts, ESP_DECRYPT_NEXT_DROP, + vnet_buffer (b[bi])->ipsec.sad_index); n_fail--; } op++; @@ -154,7 +131,7 @@ esp_process_chained_ops (vlib_main_t * vm, vlib_node_runtime_t * node, vnet_crypto_op_t *op = ops; u32 n_fail, n_ops = vec_len (ops); - if (n_ops == 0) + if (PREDICT_TRUE (n_ops == 0)) return; n_fail = n_ops - vnet_crypto_process_chained_ops (vm, op, chunks, n_ops); @@ -169,8 +146,9 @@ esp_process_chained_ops (vlib_main_t * vm, vlib_node_runtime_t * node, err = e; else err = ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR; - b[bi]->error = node->errors[err]; - nexts[bi] = ESP_DECRYPT_NEXT_DROP; + esp_decrypt_set_next_index (b[bi], node, vm->thread_index, err, bi, + nexts, ESP_DECRYPT_NEXT_DROP, + vnet_buffer (b[bi])->ipsec.sad_index); n_fail--; } op++; @@ -235,40 +213,41 @@ esp_move_icv (vlib_main_t * vm, vlib_buffer_t * first, return lb_curr; } -static_always_inline i16 -esp_insert_esn (vlib_main_t * vm, ipsec_sa_t * sa, - esp_decrypt_packet_data2_t * pd2, u32 * data_len, - u8 ** digest, u16 * len, vlib_buffer_t * b, u8 * payload) +static_always_inline u16 +esp_insert_esn (vlib_main_t *vm, ipsec_sa_t *sa, esp_decrypt_packet_data_t *pd, + esp_decrypt_packet_data2_t *pd2, u32 *data_len, u8 **digest, + u16 *len, vlib_buffer_t *b, u8 *payload) { if (!ipsec_sa_is_set_USE_ESN (sa)) return 0; - /* shift ICV by 4 bytes to insert ESN */ - u32 seq_hi = clib_host_to_net_u32 (sa->seq_hi); - u8 tmp[ESP_MAX_ICV_SIZE], sz = sizeof (sa->seq_hi); + u32 seq_hi = clib_host_to_net_u32 (pd->seq_hi); + u8 tmp[ESP_MAX_ICV_SIZE]; if (pd2->icv_removed) { u16 space_left = vlib_buffer_space_left_at_end (vm, pd2->lb); - if (space_left >= sz) + if (space_left >= N_HI_ESN_BYTES) { - clib_memcpy_fast (vlib_buffer_get_tail (pd2->lb), &seq_hi, sz); - *data_len += sz; + clib_memcpy_fast (vlib_buffer_get_tail (pd2->lb), &seq_hi, + N_HI_ESN_BYTES); + *data_len += N_HI_ESN_BYTES; } else - return sz; + return N_HI_ESN_BYTES; len[0] = b->current_length; } else { clib_memcpy_fast (tmp, payload + len[0], ESP_MAX_ICV_SIZE); - clib_memcpy_fast (payload + len[0], &seq_hi, sz); - clib_memcpy_fast (payload + len[0] + sz, tmp, ESP_MAX_ICV_SIZE); - *data_len += sz; - *digest += sz; + clib_memcpy_fast (payload + len[0], &seq_hi, N_HI_ESN_BYTES); + clib_memcpy_fast (payload + len[0] + N_HI_ESN_BYTES, tmp, + ESP_MAX_ICV_SIZE); + *data_len += N_HI_ESN_BYTES; + *digest += N_HI_ESN_BYTES; } - return sz; + return N_HI_ESN_BYTES; } static_always_inline u8 * @@ -284,14 +263,14 @@ esp_move_icv_esn (vlib_main_t * vm, vlib_buffer_t * first, if (ipsec_sa_is_set_USE_ESN (sa)) { - u8 sz = sizeof (sa->seq_hi); - u32 seq_hi = clib_host_to_net_u32 (sa->seq_hi); + u32 seq_hi = clib_host_to_net_u32 (pd->seq_hi); u16 space_left = vlib_buffer_space_left_at_end (vm, pd2->lb); - if (space_left >= sz) + if (space_left >= N_HI_ESN_BYTES) { - clib_memcpy_fast (vlib_buffer_get_tail (pd2->lb), &seq_hi, sz); - *len += sz; + clib_memcpy_fast (vlib_buffer_get_tail (pd2->lb), &seq_hi, + N_HI_ESN_BYTES); + *len += N_HI_ESN_BYTES; } else { @@ -299,7 +278,8 @@ esp_move_icv_esn (vlib_main_t * vm, vlib_buffer_t * first, * (with ICV data) */ ASSERT (pd2->icv_removed); vlib_buffer_t *tmp = vlib_get_buffer (vm, pd2->free_buffer_index); - clib_memcpy_fast (vlib_buffer_get_current (tmp) - sz, &seq_hi, sz); + clib_memcpy_fast (vlib_buffer_get_current (tmp) - N_HI_ESN_BYTES, + &seq_hi, N_HI_ESN_BYTES); extra_esn[0] = 1; } } @@ -307,11 +287,12 @@ esp_move_icv_esn (vlib_main_t * vm, vlib_buffer_t * first, } static_always_inline int -esp_decrypt_chain_integ (vlib_main_t * vm, ipsec_per_thread_data_t * ptd, - esp_decrypt_packet_data2_t * pd2, - ipsec_sa_t * sa0, vlib_buffer_t * b, u8 icv_sz, - u8 * start_src, u32 start_len, - u8 ** digest, u16 * n_ch, u32 * integ_total_len) +esp_decrypt_chain_integ (vlib_main_t *vm, ipsec_per_thread_data_t *ptd, + const esp_decrypt_packet_data_t *pd, + esp_decrypt_packet_data2_t *pd2, ipsec_sa_t *sa0, + vlib_buffer_t *b, u8 icv_sz, u8 *start_src, + u32 start_len, u8 **digest, u16 *n_ch, + u32 *integ_total_len) { vnet_crypto_op_chunk_t *ch; vlib_buffer_t *cb = vlib_get_buffer (vm, b->next_buffer); @@ -334,19 +315,19 @@ esp_decrypt_chain_integ (vlib_main_t * vm, ipsec_per_thread_data_t * ptd, ch->len = cb->current_length - icv_sz; if (ipsec_sa_is_set_USE_ESN (sa0)) { - u32 seq_hi = clib_host_to_net_u32 (sa0->seq_hi); - u8 tmp[ESP_MAX_ICV_SIZE], sz = sizeof (sa0->seq_hi); + u32 seq_hi = clib_host_to_net_u32 (pd->seq_hi); + u8 tmp[ESP_MAX_ICV_SIZE]; u8 *esn; vlib_buffer_t *tmp_b; u16 space_left = vlib_buffer_space_left_at_end (vm, pd2->lb); - if (space_left < sz) + if (space_left < N_HI_ESN_BYTES) { if (pd2->icv_removed) { /* use pre-data area from the last bufer that was removed from the chain */ tmp_b = vlib_get_buffer (vm, pd2->free_buffer_index); - esn = tmp_b->data - sz; + esn = tmp_b->data - N_HI_ESN_BYTES; } else { @@ -358,28 +339,29 @@ esp_decrypt_chain_integ (vlib_main_t * vm, ipsec_per_thread_data_t * ptd, esn = tmp_b->data; pd2->free_buffer_index = tmp_bi; } - clib_memcpy_fast (esn, &seq_hi, sz); + clib_memcpy_fast (esn, &seq_hi, N_HI_ESN_BYTES); vec_add2 (ptd->chunks, ch, 1); n_chunks += 1; ch->src = esn; - ch->len = sz; + ch->len = N_HI_ESN_BYTES; } else { if (pd2->icv_removed) { - clib_memcpy_fast (vlib_buffer_get_tail - (pd2->lb), &seq_hi, sz); + clib_memcpy_fast (vlib_buffer_get_tail (pd2->lb), + &seq_hi, N_HI_ESN_BYTES); } else { clib_memcpy_fast (tmp, *digest, ESP_MAX_ICV_SIZE); - clib_memcpy_fast (*digest, &seq_hi, sz); - clib_memcpy_fast (*digest + sz, tmp, ESP_MAX_ICV_SIZE); - *digest += sz; + clib_memcpy_fast (*digest, &seq_hi, N_HI_ESN_BYTES); + clib_memcpy_fast (*digest + N_HI_ESN_BYTES, tmp, + ESP_MAX_ICV_SIZE); + *digest += N_HI_ESN_BYTES; } - ch->len += sz; + ch->len += N_HI_ESN_BYTES; } } total_len += ch->len; @@ -540,17 +522,18 @@ esp_decrypt_prepare_sync_op (vlib_main_t * vm, vlib_node_runtime_t * node, op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS; op->chunk_index = vec_len (ptd->chunks); - if (esp_decrypt_chain_integ (vm, ptd, pd2, sa0, b, icv_sz, + if (esp_decrypt_chain_integ (vm, ptd, pd, pd2, sa0, b, icv_sz, payload, pd->current_length, &op->digest, &op->n_chunks, 0) < 0) { - b->error = node->errors[ESP_DECRYPT_ERROR_NO_BUFFERS]; - next[0] = ESP_DECRYPT_NEXT_DROP; + esp_decrypt_set_next_index ( + b, node, vm->thread_index, ESP_DECRYPT_ERROR_NO_BUFFERS, 0, + next, ESP_DECRYPT_NEXT_DROP, pd->sa_index); return; } } else - esp_insert_esn (vm, sa0, pd2, &op->len, &op->digest, &len, b, + esp_insert_esn (vm, sa0, pd, pd2, &op->len, &op->digest, &len, b, payload); out: vec_add_aligned (*(integ_ops[0]), op, 1, CLIB_CACHE_LINE_BYTES); @@ -576,7 +559,7 @@ esp_decrypt_prepare_sync_op (vlib_main_t * vm, vlib_node_runtime_t * node, /* constuct aad in a scratch space in front of the nonce */ esp_header_t *esp0 = (esp_header_t *) (payload - esp_sz); op->aad = (u8 *) nonce - sizeof (esp_aead_t); - op->aad_len = esp_aad_fill (op->aad, esp0, sa0); + op->aad_len = esp_aad_fill (op->aad, esp0, sa0, pd->seq_hi); op->tag = payload + len; op->tag_len = 16; } @@ -607,20 +590,16 @@ esp_decrypt_prepare_sync_op (vlib_main_t * vm, vlib_node_runtime_t * node, } } -static_always_inline int -esp_decrypt_prepare_async_frame (vlib_main_t * vm, - vlib_node_runtime_t * node, - ipsec_per_thread_data_t * ptd, - vnet_crypto_async_frame_t ** f, - ipsec_sa_t * sa0, u8 * payload, u16 len, - u8 icv_sz, u8 iv_sz, - esp_decrypt_packet_data_t * pd, - esp_decrypt_packet_data2_t * pd2, u32 bi, - vlib_buffer_t * b, u16 * next, - u16 async_next) +static_always_inline esp_decrypt_error_t +esp_decrypt_prepare_async_frame (vlib_main_t *vm, vlib_node_runtime_t *node, + ipsec_per_thread_data_t *ptd, + vnet_crypto_async_frame_t *f, ipsec_sa_t *sa0, + u8 *payload, u16 len, u8 icv_sz, u8 iv_sz, + esp_decrypt_packet_data_t *pd, + esp_decrypt_packet_data2_t *pd2, u32 bi, + vlib_buffer_t *b, u16 *next, u16 async_next) { const u8 esp_sz = sizeof (esp_header_t); - u32 current_protect_index = vnet_buffer (b)->ipsec.protect_index; esp_decrypt_packet_data_t *async_pd = &(esp_post_data (b))->decrypt_data; esp_decrypt_packet_data2_t *async_pd2 = esp_post_data2 (b); u8 *tag = payload + len, *iv = payload + esp_sz, *aad = 0; @@ -635,6 +614,8 @@ esp_decrypt_prepare_async_frame (vlib_main_t * vm, key_index = sa0->linked_key_index; integ_start_offset = payload - b->data; integ_len = len; + if (PREDICT_TRUE (sa0->integ_op_id != VNET_CRYPTO_OP_NONE)) + flags |= VNET_CRYPTO_OP_FLAG_HMAC_CHECK; if (pd->is_chain) { @@ -672,18 +653,16 @@ esp_decrypt_prepare_async_frame (vlib_main_t * vm, tag = vlib_buffer_get_tail (pd2->lb) - icv_sz; flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS; - if (esp_decrypt_chain_integ (vm, ptd, pd2, sa0, b, icv_sz, payload, - pd->current_length, &tag, - 0, &integ_len) < 0) + if (esp_decrypt_chain_integ (vm, ptd, pd, pd2, sa0, b, icv_sz, + payload, pd->current_length, &tag, 0, + &integ_len) < 0) { /* allocate buffer failed, will not add to frame and drop */ - b->error = node->errors[ESP_DECRYPT_ERROR_NO_BUFFERS]; - next[0] = ESP_DECRYPT_NEXT_DROP; - return -1; + return (ESP_DECRYPT_ERROR_NO_BUFFERS); } } else - esp_insert_esn (vm, sa0, pd2, &integ_len, &tag, &len, b, payload); + esp_insert_esn (vm, sa0, pd, pd2, &integ_len, &tag, &len, b, payload); } else key_index = sa0->crypto_key_index; @@ -704,7 +683,7 @@ out: /* constuct aad in a scratch space in front of the nonce */ esp_header_t *esp0 = (esp_header_t *) (payload - esp_sz); aad = (u8 *) nonce - sizeof (esp_aead_t); - esp_aad_fill (aad, esp0, sa0); + esp_aad_fill (aad, esp0, sa0, pd->seq_hi); tag = payload + len; } else @@ -733,25 +712,25 @@ out: *async_pd = *pd; *async_pd2 = *pd2; - pd->protect_index = current_protect_index; /* for AEAD integ_len - crypto_len will be negative, it is ok since it * is ignored by the engine. */ - return vnet_crypto_async_add_to_frame (vm, f, key_index, crypto_len, - integ_len - crypto_len, - crypto_start_offset, - integ_start_offset, - bi, async_next, iv, tag, aad, flags); + vnet_crypto_async_add_to_frame ( + vm, f, key_index, crypto_len, integ_len - crypto_len, crypto_start_offset, + integ_start_offset, bi, async_next, iv, tag, aad, flags); + + return (ESP_DECRYPT_ERROR_RX_PKTS); } static_always_inline void -esp_decrypt_post_crypto (vlib_main_t * vm, vlib_node_runtime_t * node, - esp_decrypt_packet_data_t * pd, - esp_decrypt_packet_data2_t * pd2, vlib_buffer_t * b, - u16 * next, int is_ip6, int is_tun, int is_async) +esp_decrypt_post_crypto (vlib_main_t *vm, vlib_node_runtime_t *node, + const u16 *next_by_next_header, + const esp_decrypt_packet_data_t *pd, + const esp_decrypt_packet_data2_t *pd2, + vlib_buffer_t *b, u16 *next, int is_ip6, int is_tun, + int is_async) { - ipsec_main_t *im = &ipsec_main; - ipsec_sa_t *sa0 = vec_elt_at_index (im->sad, pd->sa_index); + ipsec_sa_t *sa0 = ipsec_sa_get (pd->sa_index); vlib_buffer_t *lb = b; const u8 esp_sz = sizeof (esp_header_t); const u8 tun_flags = IPSEC_SA_FLAG_IS_TUNNEL | IPSEC_SA_FLAG_IS_TUNNEL_V6; @@ -780,14 +759,20 @@ esp_decrypt_post_crypto (vlib_main_t * vm, vlib_node_runtime_t * node, * a sequence s, s+1, s+2, s+3, ... s+n and nothing will prevent any * implementation, sequential or batching, from decrypting these. */ - if (ipsec_sa_anti_replay_check (sa0, pd->seq)) + if (ipsec_sa_anti_replay_and_sn_advance (sa0, pd->seq, pd->seq_hi, true, + NULL)) { - b->error = node->errors[ESP_DECRYPT_ERROR_REPLAY]; - next[0] = ESP_DECRYPT_NEXT_DROP; + esp_decrypt_set_next_index (b, node, vm->thread_index, + ESP_DECRYPT_ERROR_REPLAY, 0, next, + ESP_DECRYPT_NEXT_DROP, pd->sa_index); return; } - ipsec_sa_anti_replay_advance (sa0, pd->seq); + u64 n_lost = + ipsec_sa_anti_replay_advance (sa0, vm->thread_index, pd->seq, pd->seq_hi); + + vlib_prefetch_simple_counter (&ipsec_sa_err_counters[IPSEC_SA_ERROR_LOST], + vm->thread_index, pd->sa_index); if (pd->is_chain) { @@ -912,44 +897,51 @@ esp_decrypt_post_crypto (vlib_main_t * vm, vlib_node_runtime_t * node, b->current_length = pd->current_length - adv; esp_remove_tail (vm, b, lb, tail); } - else + else if (is_tun && next_header == IP_PROTOCOL_GRE) { - if (is_tun && next_header == IP_PROTOCOL_GRE) - { - gre_header_t *gre; + gre_header_t *gre; - b->current_data = pd->current_data + adv; - b->current_length = pd->current_length - adv - tail; + b->current_data = pd->current_data + adv; + b->current_length = pd->current_length - adv - tail; - gre = vlib_buffer_get_current (b); + gre = vlib_buffer_get_current (b); - vlib_buffer_advance (b, sizeof (*gre)); + vlib_buffer_advance (b, sizeof (*gre)); - switch (clib_net_to_host_u16 (gre->protocol)) - { - case GRE_PROTOCOL_teb: - vnet_update_l2_len (b); - next[0] = ESP_DECRYPT_NEXT_L2_INPUT; - break; - case GRE_PROTOCOL_ip4: - next[0] = ESP_DECRYPT_NEXT_IP4_INPUT; - break; - case GRE_PROTOCOL_ip6: - next[0] = ESP_DECRYPT_NEXT_IP6_INPUT; - break; - default: - b->error = node->errors[ESP_DECRYPT_ERROR_UNSUP_PAYLOAD]; - next[0] = ESP_DECRYPT_NEXT_DROP; - break; - } - } - else + switch (clib_net_to_host_u16 (gre->protocol)) { - next[0] = ESP_DECRYPT_NEXT_DROP; - b->error = node->errors[ESP_DECRYPT_ERROR_UNSUP_PAYLOAD]; - return; + case GRE_PROTOCOL_teb: + vnet_update_l2_len (b); + next[0] = ESP_DECRYPT_NEXT_L2_INPUT; + break; + case GRE_PROTOCOL_ip4: + next[0] = ESP_DECRYPT_NEXT_IP4_INPUT; + break; + case GRE_PROTOCOL_ip6: + next[0] = ESP_DECRYPT_NEXT_IP6_INPUT; + break; + default: + esp_decrypt_set_next_index ( + b, node, vm->thread_index, ESP_DECRYPT_ERROR_UNSUP_PAYLOAD, 0, + next, ESP_DECRYPT_NEXT_DROP, pd->sa_index); + break; } } + else if ((next[0] = vec_elt (next_by_next_header, next_header)) != + (u16) ~0) + { + b->current_data = pd->current_data + adv; + b->current_length = pd->current_length - adv; + esp_remove_tail (vm, b, lb, tail); + } + else + { + esp_decrypt_set_next_index (b, node, vm->thread_index, + ESP_DECRYPT_ERROR_UNSUP_PAYLOAD, 0, next, + ESP_DECRYPT_NEXT_DROP, pd->sa_index); + return; + } + if (is_tun) { if (ipsec_sa_is_set_IS_PROTECT (sa0)) @@ -972,12 +964,8 @@ esp_decrypt_post_crypto (vlib_main_t * vm, vlib_node_runtime_t * node, */ const ipsec_tun_protect_t *itp; - if (is_async) - itp = ipsec_tun_protect_get (pd->protect_index); - else - itp = - ipsec_tun_protect_get (vnet_buffer (b)-> - ipsec.protect_index); + itp = + ipsec_tun_protect_get (vnet_buffer (b)->ipsec.protect_index); if (PREDICT_TRUE (next_header == IP_PROTOCOL_IP_IN_IP)) { @@ -990,8 +978,10 @@ esp_decrypt_post_crypto (vlib_main_t * vm, vlib_node_runtime_t * node, !ip46_address_is_equal_v4 (&itp->itp_tun.dst, &ip4->src_address)) { - next[0] = ESP_DECRYPT_NEXT_DROP; - b->error = node->errors[ESP_DECRYPT_ERROR_TUN_NO_PROTO]; + esp_decrypt_set_next_index ( + b, node, vm->thread_index, + ESP_DECRYPT_ERROR_TUN_NO_PROTO, 0, next, + ESP_DECRYPT_NEXT_DROP, pd->sa_index); } } else if (next_header == IP_PROTOCOL_IPV6) @@ -1005,28 +995,40 @@ esp_decrypt_post_crypto (vlib_main_t * vm, vlib_node_runtime_t * node, !ip46_address_is_equal_v6 (&itp->itp_tun.dst, &ip6->src_address)) { - next[0] = ESP_DECRYPT_NEXT_DROP; - b->error = node->errors[ESP_DECRYPT_ERROR_TUN_NO_PROTO]; + esp_decrypt_set_next_index ( + b, node, vm->thread_index, + ESP_DECRYPT_ERROR_TUN_NO_PROTO, 0, next, + ESP_DECRYPT_NEXT_DROP, pd->sa_index); } } } } } + + if (PREDICT_FALSE (n_lost)) + vlib_increment_simple_counter (&ipsec_sa_err_counters[IPSEC_SA_ERROR_LOST], + vm->thread_index, pd->sa_index, n_lost); } always_inline uword -esp_decrypt_inline (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * from_frame, - int is_ip6, int is_tun, u16 async_next) +esp_decrypt_inline (vlib_main_t *vm, vlib_node_runtime_t *node, + vlib_frame_t *from_frame, int is_ip6, int is_tun, + u16 async_next_node) { ipsec_main_t *im = &ipsec_main; + const u16 *next_by_next_header = im->next_header_registrations; u32 thread_index = vm->thread_index; u16 len; ipsec_per_thread_data_t *ptd = vec_elt_at_index (im->ptd, thread_index); u32 *from = vlib_frame_vector_args (from_frame); u32 n_left = from_frame->n_vectors; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs; - u16 nexts[VLIB_FRAME_SIZE], *next = nexts; + vlib_buffer_t *sync_bufs[VLIB_FRAME_SIZE]; + u16 sync_nexts[VLIB_FRAME_SIZE], *sync_next = sync_nexts, n_sync = 0; + u16 async_nexts[VLIB_FRAME_SIZE], *async_next = async_nexts; + u16 noop_nexts[VLIB_FRAME_SIZE], n_noop = 0; + u32 sync_bi[VLIB_FRAME_SIZE]; + u32 noop_bi[VLIB_FRAME_SIZE]; esp_decrypt_packet_data_t pkt_data[VLIB_FRAME_SIZE], *pd = pkt_data; esp_decrypt_packet_data2_t pkt_data2[VLIB_FRAME_SIZE], *pd2 = pkt_data2; esp_decrypt_packet_data_t cpd = { }; @@ -1034,12 +1036,12 @@ esp_decrypt_inline (vlib_main_t * vm, const u8 esp_sz = sizeof (esp_header_t); ipsec_sa_t *sa0 = 0; vnet_crypto_op_t _op, *op = &_op; - vnet_crypto_op_t **crypto_ops = &ptd->crypto_ops; - vnet_crypto_op_t **integ_ops = &ptd->integ_ops; - vnet_crypto_async_frame_t *async_frame = 0; + vnet_crypto_op_t **crypto_ops; + vnet_crypto_op_t **integ_ops; int is_async = im->async_mode; - vnet_crypto_async_op_id_t last_async_op = ~0; - u16 n_async_drop = 0; + vnet_crypto_async_op_id_t async_op = ~0; + vnet_crypto_async_frame_t *async_frames[VNET_CRYPTO_ASYNC_OP_N_IDS]; + esp_decrypt_error_t err; vlib_get_buffers (vm, from, b, n_left); if (!is_async) @@ -1049,30 +1051,33 @@ esp_decrypt_inline (vlib_main_t * vm, vec_reset_length (ptd->chained_crypto_ops); vec_reset_length (ptd->chained_integ_ops); } + vec_reset_length (ptd->async_frames); vec_reset_length (ptd->chunks); - clib_memset_u16 (nexts, -1, n_left); + clib_memset (sync_nexts, -1, sizeof (sync_nexts)); + clib_memset (async_frames, 0, sizeof (async_frames)); while (n_left > 0) { u8 *payload; + err = ESP_DECRYPT_ERROR_RX_PKTS; if (n_left > 2) { u8 *p; vlib_prefetch_buffer_header (b[2], LOAD); p = vlib_buffer_get_current (b[1]); - CLIB_PREFETCH (p, CLIB_CACHE_LINE_BYTES, LOAD); + clib_prefetch_load (p); p -= CLIB_CACHE_LINE_BYTES; - CLIB_PREFETCH (p, CLIB_CACHE_LINE_BYTES, LOAD); + clib_prefetch_load (p); } u32 n_bufs = vlib_buffer_chain_linearize (vm, b[0]); if (n_bufs == 0) { - b[0]->error = node->errors[ESP_DECRYPT_ERROR_NO_BUFFERS]; - esp_set_next_index (is_async, from, nexts, from[b - bufs], - &n_async_drop, ESP_DECRYPT_NEXT_DROP, next); - next[0] = ESP_DECRYPT_NEXT_DROP; + err = ESP_DECRYPT_ERROR_NO_BUFFERS; + esp_decrypt_set_next_index (b[0], node, thread_index, err, n_noop, + noop_nexts, ESP_DECRYPT_NEXT_DROP, + vnet_buffer (b[0])->ipsec.sad_index); goto next; } @@ -1080,36 +1085,22 @@ esp_decrypt_inline (vlib_main_t * vm, { if (current_sa_pkts) vlib_increment_combined_counter (&ipsec_sa_counters, thread_index, - current_sa_index, - current_sa_pkts, + current_sa_index, current_sa_pkts, current_sa_bytes); current_sa_bytes = current_sa_pkts = 0; current_sa_index = vnet_buffer (b[0])->ipsec.sad_index; - sa0 = pool_elt_at_index (im->sad, current_sa_index); + vlib_prefetch_combined_counter (&ipsec_sa_counters, thread_index, + current_sa_index); + sa0 = ipsec_sa_get (current_sa_index); /* fetch the second cacheline ASAP */ - CLIB_PREFETCH (sa0->cacheline1, CLIB_CACHE_LINE_BYTES, LOAD); + clib_prefetch_load (sa0->cacheline1); cpd.icv_sz = sa0->integ_icv_size; cpd.iv_sz = sa0->crypto_iv_size; cpd.flags = sa0->flags; cpd.sa_index = current_sa_index; - - /* submit frame when op_id is different then the old one */ - if (is_async && last_async_op != sa0->crypto_async_dec_op_id) - { - if (async_frame && async_frame->n_elts) - { - if (vnet_crypto_async_submit_open_frame (vm, async_frame)) - esp_async_recycle_failed_submit (async_frame, b, from, - nexts, &n_async_drop, - ESP_DECRYPT_NEXT_DROP, - ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR); - } - async_frame = - vnet_crypto_async_get_frame (vm, sa0->crypto_async_dec_op_id); - last_async_op = sa0->crypto_async_dec_op_id; - } + is_async = im->async_mode | ipsec_sa_is_set_IS_ASYNC (sa0); } if (PREDICT_FALSE (~0 == sa0->thread_index)) @@ -1123,9 +1114,11 @@ esp_decrypt_inline (vlib_main_t * vm, if (PREDICT_FALSE (thread_index != sa0->thread_index)) { - esp_set_next_index (is_async, from, nexts, from[b - bufs], - &n_async_drop, ESP_DECRYPT_NEXT_HANDOFF, next); - next[0] = ESP_DECRYPT_NEXT_HANDOFF; + vnet_buffer (b[0])->ipsec.thread_index = sa0->thread_index; + err = ESP_DECRYPT_ERROR_HANDOFF; + esp_decrypt_set_next_index (b[0], node, thread_index, err, n_noop, + noop_nexts, ESP_DECRYPT_NEXT_HANDOFF, + current_sa_index); goto next; } @@ -1150,23 +1143,31 @@ esp_decrypt_inline (vlib_main_t * vm, crypto_ops = &ptd->chained_crypto_ops; integ_ops = &ptd->chained_integ_ops; } + else + { + crypto_ops = &ptd->crypto_ops; + integ_ops = &ptd->integ_ops; + } pd->current_length = b[0]->current_length; /* anti-reply check */ - if (ipsec_sa_anti_replay_check (sa0, pd->seq)) + if (ipsec_sa_anti_replay_and_sn_advance (sa0, pd->seq, ~0, false, + &pd->seq_hi)) { - b[0]->error = node->errors[ESP_DECRYPT_ERROR_REPLAY]; - esp_set_next_index (is_async, from, nexts, from[b - bufs], - &n_async_drop, ESP_DECRYPT_NEXT_DROP, next); + err = ESP_DECRYPT_ERROR_REPLAY; + esp_decrypt_set_next_index (b[0], node, thread_index, err, n_noop, + noop_nexts, ESP_DECRYPT_NEXT_DROP, + current_sa_index); goto next; } if (pd->current_length < cpd.icv_sz + esp_sz + cpd.iv_sz) { - b[0]->error = node->errors[ESP_DECRYPT_ERROR_RUNT]; - esp_set_next_index (is_async, from, nexts, from[b - bufs], - &n_async_drop, ESP_DECRYPT_NEXT_DROP, next); + err = ESP_DECRYPT_ERROR_RUNT; + esp_decrypt_set_next_index (b[0], node, thread_index, err, n_noop, + noop_nexts, ESP_DECRYPT_NEXT_DROP, + current_sa_index); goto next; } @@ -1176,42 +1177,54 @@ esp_decrypt_inline (vlib_main_t * vm, if (is_async) { - int ret = esp_decrypt_prepare_async_frame (vm, node, ptd, - &async_frame, - sa0, payload, len, - cpd.icv_sz, - cpd.iv_sz, - pd, pd2, - from[b - bufs], - b[0], next, async_next); - if (PREDICT_FALSE (ret < 0)) + async_op = sa0->crypto_async_dec_op_id; + + /* get a frame for this op if we don't yet have one or it's full + */ + if (NULL == async_frames[async_op] || + vnet_crypto_async_frame_is_full (async_frames[async_op])) { - b[0]->error = ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR; - esp_set_next_index (1, from, nexts, from[b - bufs], - &n_async_drop, ESP_DECRYPT_NEXT_DROP, next); - /* when next[0] is ESP_DECRYPT_NEXT_DROP we only have to drop - * the current packet. Otherwise it is frame submission error - * thus we have to drop the whole frame. - */ - if (next[0] != ESP_DECRYPT_NEXT_DROP && async_frame->n_elts) - esp_async_recycle_failed_submit (async_frame, b, from, - nexts, &n_async_drop, - ESP_DECRYPT_NEXT_DROP, - ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR); - goto next; + async_frames[async_op] = + vnet_crypto_async_get_frame (vm, async_op); + /* Save the frame to the list we'll submit at the end */ + vec_add1 (ptd->async_frames, async_frames[async_op]); + } + + err = esp_decrypt_prepare_async_frame ( + vm, node, ptd, async_frames[async_op], sa0, payload, len, + cpd.icv_sz, cpd.iv_sz, pd, pd2, from[b - bufs], b[0], async_next, + async_next_node); + if (ESP_DECRYPT_ERROR_RX_PKTS != err) + { + esp_decrypt_set_next_index ( + b[0], node, thread_index, err, n_noop, noop_nexts, + ESP_DECRYPT_NEXT_DROP, current_sa_index); } } else - esp_decrypt_prepare_sync_op (vm, node, ptd, &crypto_ops, &integ_ops, - op, sa0, payload, len, cpd.icv_sz, - cpd.iv_sz, pd, pd2, b[0], next, - b - bufs); + esp_decrypt_prepare_sync_op ( + vm, node, ptd, &crypto_ops, &integ_ops, op, sa0, payload, len, + cpd.icv_sz, cpd.iv_sz, pd, pd2, b[0], sync_next, n_sync); /* next */ next: + if (ESP_DECRYPT_ERROR_RX_PKTS != err) + { + noop_bi[n_noop] = from[b - bufs]; + n_noop++; + } + else if (!is_async) + { + sync_bi[n_sync] = from[b - bufs]; + sync_bufs[n_sync] = b[0]; + n_sync++; + sync_next++; + pd += 1; + pd2 += 1; + } + else + async_next++; + n_left -= 1; - next += 1; - pd += 1; - pd2 += 1; b += 1; } @@ -1220,47 +1233,51 @@ esp_decrypt_inline (vlib_main_t * vm, current_sa_index, current_sa_pkts, current_sa_bytes); - if (is_async) + /* submit or free all of the open frames */ + vnet_crypto_async_frame_t **async_frame; + + vec_foreach (async_frame, ptd->async_frames) { - if (async_frame && async_frame->n_elts) + /* free frame and move on if no ops were successfully added */ + if (PREDICT_FALSE (!(*async_frame)->n_elts)) { - if (vnet_crypto_async_submit_open_frame (vm, async_frame) < 0) - esp_async_recycle_failed_submit (async_frame, b, from, nexts, - &n_async_drop, - ESP_DECRYPT_NEXT_DROP, - ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR); + vnet_crypto_async_free_frame (vm, *async_frame); + continue; + } + if (vnet_crypto_async_submit_open_frame (vm, *async_frame) < 0) + { + n_noop += esp_async_recycle_failed_submit ( + vm, *async_frame, node, ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR, + IPSEC_SA_ERROR_CRYPTO_ENGINE_ERROR, n_noop, noop_bi, noop_nexts, + ESP_DECRYPT_NEXT_DROP); + vnet_crypto_async_reset_frame (*async_frame); + vnet_crypto_async_free_frame (vm, *async_frame); } - - /* no post process in async */ - vlib_node_increment_counter (vm, node->node_index, - ESP_DECRYPT_ERROR_RX_PKTS, n_left); - if (n_async_drop) - vlib_buffer_enqueue_to_next (vm, node, from, nexts, n_async_drop); - - return n_left; } - else + + if (n_sync) { - esp_process_ops (vm, node, ptd->integ_ops, bufs, nexts, + esp_process_ops (vm, node, ptd->integ_ops, sync_bufs, sync_nexts, ESP_DECRYPT_ERROR_INTEG_ERROR); - esp_process_chained_ops (vm, node, ptd->chained_integ_ops, bufs, nexts, - ptd->chunks, ESP_DECRYPT_ERROR_INTEG_ERROR); + esp_process_chained_ops (vm, node, ptd->chained_integ_ops, sync_bufs, + sync_nexts, ptd->chunks, + ESP_DECRYPT_ERROR_INTEG_ERROR); - esp_process_ops (vm, node, ptd->crypto_ops, bufs, nexts, + esp_process_ops (vm, node, ptd->crypto_ops, sync_bufs, sync_nexts, ESP_DECRYPT_ERROR_DECRYPTION_FAILED); - esp_process_chained_ops (vm, node, ptd->chained_crypto_ops, bufs, nexts, - ptd->chunks, + esp_process_chained_ops (vm, node, ptd->chained_crypto_ops, sync_bufs, + sync_nexts, ptd->chunks, ESP_DECRYPT_ERROR_DECRYPTION_FAILED); } /* Post decryption ronud - adjust packet data start and length and next node */ - n_left = from_frame->n_vectors; - next = nexts; + n_left = n_sync; + sync_next = sync_nexts; pd = pkt_data; pd2 = pkt_data2; - b = bufs; + b = sync_bufs; while (n_left) { @@ -1284,38 +1301,42 @@ esp_decrypt_inline (vlib_main_t * vm, if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED)) current_sa_index = vnet_buffer (b[0])->ipsec.sad_index; - if (next[0] >= ESP_DECRYPT_N_NEXT) - esp_decrypt_post_crypto (vm, node, pd, pd2, b[0], next, is_ip6, - is_tun, 0); + if (sync_next[0] >= ESP_DECRYPT_N_NEXT) + esp_decrypt_post_crypto (vm, node, next_by_next_header, pd, pd2, b[0], + sync_next, is_ip6, is_tun, 0); /* trace: */ if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED)) { esp_decrypt_trace_t *tr; tr = vlib_add_trace (vm, node, b[0], sizeof (*tr)); - sa0 = pool_elt_at_index (im->sad, current_sa_index); + sa0 = ipsec_sa_get (current_sa_index); tr->crypto_alg = sa0->crypto_alg; tr->integ_alg = sa0->integ_alg; tr->seq = pd->seq; - tr->sa_seq = sa0->last_seq; + tr->sa_seq = sa0->seq; tr->sa_seq_hi = sa0->seq_hi; + tr->pkt_seq_hi = pd->seq_hi; } /* next */ n_left -= 1; - next += 1; + sync_next += 1; pd += 1; pd2 += 1; b += 1; } - n_left = from_frame->n_vectors; - vlib_node_increment_counter (vm, node->node_index, - ESP_DECRYPT_ERROR_RX_PKTS, n_left); + vlib_node_increment_counter (vm, node->node_index, ESP_DECRYPT_ERROR_RX_PKTS, + from_frame->n_vectors); - vlib_buffer_enqueue_to_next (vm, node, from, nexts, n_left); + if (n_sync) + vlib_buffer_enqueue_to_next (vm, node, sync_bi, sync_nexts, n_sync); - return n_left; + if (n_noop) + vlib_buffer_enqueue_to_next (vm, node, noop_bi, noop_nexts, n_noop); + + return (from_frame->n_vectors); } always_inline uword @@ -1323,7 +1344,8 @@ esp_decrypt_post_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame, int is_ip6, int is_tun) { - ipsec_main_t *im = &ipsec_main; + const ipsec_main_t *im = &ipsec_main; + const u16 *next_by_next_header = im->next_header_registrations; u32 *from = vlib_frame_vector_args (from_frame); u32 n_left = from_frame->n_vectors; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs; @@ -1341,29 +1363,29 @@ esp_decrypt_post_inline (vlib_main_t * vm, } if (!pd->is_chain) - esp_decrypt_post_crypto (vm, node, pd, 0, b[0], next, is_ip6, is_tun, - 1); + esp_decrypt_post_crypto (vm, node, next_by_next_header, pd, 0, b[0], + next, is_ip6, is_tun, 1); else { esp_decrypt_packet_data2_t *pd2 = esp_post_data2 (b[0]); - esp_decrypt_post_crypto (vm, node, pd, pd2, b[0], next, is_ip6, - is_tun, 1); + esp_decrypt_post_crypto (vm, node, next_by_next_header, pd, pd2, + b[0], next, is_ip6, is_tun, 1); } /*trace: */ if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED)) { - ipsec_sa_t *sa0 = pool_elt_at_index (im->sad, pd->sa_index); + ipsec_sa_t *sa0 = ipsec_sa_get (pd->sa_index); esp_decrypt_trace_t *tr; esp_decrypt_packet_data_t *async_pd = &(esp_post_data (b[0]))->decrypt_data; tr = vlib_add_trace (vm, node, b[0], sizeof (*tr)); - sa0 = pool_elt_at_index (im->sad, async_pd->sa_index); + sa0 = ipsec_sa_get (async_pd->sa_index); tr->crypto_alg = sa0->crypto_alg; tr->integ_alg = sa0->integ_alg; tr->seq = pd->seq; - tr->sa_seq = sa0->last_seq; + tr->sa_seq = sa0->seq; tr->sa_seq_hi = sa0->seq_hi; } @@ -1448,8 +1470,8 @@ VLIB_REGISTER_NODE (esp4_decrypt_node) = { .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .n_next_nodes = ESP_DECRYPT_N_NEXT, .next_nodes = { @@ -1468,8 +1490,8 @@ VLIB_REGISTER_NODE (esp4_decrypt_post_node) = { .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .sibling_of = "esp4-decrypt", }; @@ -1480,8 +1502,8 @@ VLIB_REGISTER_NODE (esp6_decrypt_node) = { .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .n_next_nodes = ESP_DECRYPT_N_NEXT, .next_nodes = { @@ -1500,8 +1522,8 @@ VLIB_REGISTER_NODE (esp6_decrypt_post_node) = { .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .sibling_of = "esp6-decrypt", }; @@ -1511,8 +1533,8 @@ VLIB_REGISTER_NODE (esp4_decrypt_tun_node) = { .vector_size = sizeof (u32), .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .n_next_nodes = ESP_DECRYPT_N_NEXT, .next_nodes = { [ESP_DECRYPT_NEXT_DROP] = "ip4-drop", @@ -1530,8 +1552,8 @@ VLIB_REGISTER_NODE (esp4_decrypt_tun_post_node) = { .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .sibling_of = "esp4-decrypt-tun", }; @@ -1541,8 +1563,8 @@ VLIB_REGISTER_NODE (esp6_decrypt_tun_node) = { .vector_size = sizeof (u32), .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .n_next_nodes = ESP_DECRYPT_N_NEXT, .next_nodes = { [ESP_DECRYPT_NEXT_DROP] = "ip6-drop", @@ -1560,13 +1582,36 @@ VLIB_REGISTER_NODE (esp6_decrypt_tun_post_node) = { .format_trace = format_esp_decrypt_trace, .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN(esp_decrypt_error_strings), - .error_strings = esp_decrypt_error_strings, + .n_errors = ESP_DECRYPT_N_ERROR, + .error_counters = esp_decrypt_error_counters, .sibling_of = "esp6-decrypt-tun", }; /* *INDENT-ON* */ +#ifndef CLIB_MARCH_VARIANT + +static clib_error_t * +esp_decrypt_init (vlib_main_t *vm) +{ + ipsec_main_t *im = &ipsec_main; + + im->esp4_dec_fq_index = + vlib_frame_queue_main_init (esp4_decrypt_node.index, 0); + im->esp6_dec_fq_index = + vlib_frame_queue_main_init (esp6_decrypt_node.index, 0); + im->esp4_dec_tun_fq_index = + vlib_frame_queue_main_init (esp4_decrypt_tun_node.index, 0); + im->esp6_dec_tun_fq_index = + vlib_frame_queue_main_init (esp6_decrypt_tun_node.index, 0); + + return 0; +} + +VLIB_INIT_FUNCTION (esp_decrypt_init); + +#endif + /* * fd.io coding-style-patch-verification: ON *