#include <vnet/ipsec/ipsec.h>
#include <vnet/ipsec/esp.h>
#include <vnet/ipsec/ah.h>
+#include <vnet/tunnel/tunnel_dp.h>
+
+#define foreach_ah_encrypt_next \
+ _ (DROP, "error-drop") \
+ _ (HANDOFF, "handoff") \
+ _ (INTERFACE_OUTPUT, "interface-output")
-#define foreach_ah_encrypt_next \
-_(DROP, "error-drop") \
-_(IP4_LOOKUP, "ip4-lookup") \
-_(IP6_LOOKUP, "ip6-lookup") \
-_(INTERFACE_OUTPUT, "interface-output")
#define _(v, s) AH_ENCRYPT_NEXT_##v,
typedef enum
AH_ENCRYPT_N_NEXT,
} ah_encrypt_next_t;
-#define foreach_ah_encrypt_error \
- _(RX_PKTS, "AH pkts received") \
+#define foreach_ah_encrypt_error \
+ _(RX_PKTS, "AH pkts received") \
+ _(CRYPTO_ENGINE_ERROR, "crypto engine error (packet dropped)") \
_(SEQ_CYCLED, "sequence number cycled")
#undef _
};
-vlib_node_registration_t ah_encrypt_node;
-
typedef struct
{
+ u32 sa_index;
u32 spi;
- u32 seq;
+ u32 seq_lo;
+ u32 seq_hi;
ipsec_integ_alg_t integ_alg;
} ah_encrypt_trace_t;
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
ah_encrypt_trace_t *t = va_arg (*args, ah_encrypt_trace_t *);
- s = format (s, "ah: spi %u seq %u integrity %U",
- t->spi, t->seq, format_ipsec_integ_alg, t->integ_alg);
+ s = format (s, "ah: sa-index %d spi %u (0x%08x) seq %u:%u integrity %U",
+ t->sa_index, t->spi, t->spi, t->seq_hi, t->seq_lo,
+ format_ipsec_integ_alg, t->integ_alg);
return s;
}
-static uword
-ah_encrypt_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+static_always_inline void
+ah_process_ops (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vnet_crypto_op_t * ops, vlib_buffer_t * b[], u16 * nexts)
+{
+ u32 n_fail, n_ops = vec_len (ops);
+ vnet_crypto_op_t *op = ops;
+
+ if (n_ops == 0)
+ return;
+
+ n_fail = n_ops - vnet_crypto_process_ops (vm, op, n_ops);
+
+ while (n_fail)
+ {
+ ASSERT (op - ops < n_ops);
+
+ if (op->status != VNET_CRYPTO_OP_STATUS_COMPLETED)
+ {
+ u32 bi = op->user_data;
+ b[bi]->error = node->errors[AH_ENCRYPT_ERROR_CRYPTO_ENGINE_ERROR];
+ nexts[bi] = AH_ENCRYPT_NEXT_DROP;
+ n_fail--;
+ }
+ op++;
+ }
+}
+
+typedef struct
+{
+ union
+ {
+ /* Variable fields in the IP header not covered by the AH
+ * integrity check */
+ struct
+ {
+ u8 hop_limit;
+ u32 ip_version_traffic_class_and_flow_label;
+ };
+ struct
+ {
+ u8 ttl;
+ u8 tos;
+ };
+ };
+ i16 current_data;
+ u8 skip;
+ u32 sa_index;
+} ah_encrypt_packet_data_t;
+
+always_inline uword
+ah_encrypt_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame,
+ int is_ip6)
{
- u32 n_left_from, *from, *to_next = 0, next_index;
+ u32 n_left, *from, thread_index;
int icv_size = 0;
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
+ from = vlib_frame_vector_args (frame);
+ n_left = frame->n_vectors;
ipsec_main_t *im = &ipsec_main;
- ipsec_proto_main_t *em = &ipsec_proto_main;
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
+ ah_encrypt_packet_data_t pkt_data[VLIB_FRAME_SIZE], *pd = pkt_data;
+ thread_index = vm->thread_index;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
+ u16 nexts[VLIB_FRAME_SIZE], *next = nexts;
+ ipsec_per_thread_data_t *ptd = vec_elt_at_index (im->ptd, thread_index);
+ ipsec_sa_t *sa0 = 0;
+ ip4_and_ah_header_t *ih0, *oh0 = 0;
+ ip6_and_ah_header_t *ih6_0, *oh6_0 = 0;
+ u32 current_sa_index = ~0, current_sa_bytes = 0, current_sa_pkts = 0;
+ const static ip4_header_t ip4_hdr_template = {
+ .ip_version_and_header_length = 0x45,
+ .protocol = IP_PROTOCOL_IPSEC_AH,
+ };
+ const static ip6_header_t ip6_hdr_template = {
+ .ip_version_traffic_class_and_flow_label = 0x60,
+ .protocol = IP_PROTOCOL_IPSEC_AH,
+ };
+
+ clib_memset (pkt_data, 0, VLIB_FRAME_SIZE * sizeof (pkt_data[0]));
+ vlib_get_buffers (vm, from, b, n_left);
+ vec_reset_length (ptd->crypto_ops);
+ vec_reset_length (ptd->integ_ops);
+
+ while (n_left > 0)
{
- u32 n_left_to_next;
+ u8 ip_hdr_size;
+ u8 next_hdr_type;
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ if (vnet_buffer (b[0])->ipsec.sad_index != current_sa_index)
+ {
+ if (current_sa_index != ~0)
+ vlib_increment_combined_counter (&ipsec_sa_counters, thread_index,
+ current_sa_index,
+ current_sa_pkts,
+ current_sa_bytes);
+ current_sa_index = vnet_buffer (b[0])->ipsec.sad_index;
+ sa0 = pool_elt_at_index (im->sad, current_sa_index);
+
+ current_sa_bytes = current_sa_pkts = 0;
+ }
- while (n_left_from > 0 && n_left_to_next > 0)
+ pd->sa_index = current_sa_index;
+ next[0] = AH_ENCRYPT_NEXT_DROP;
+
+ if (PREDICT_FALSE (~0 == sa0->thread_index))
{
- u32 i_bi0, next0;
- vlib_buffer_t *i_b0 = 0;
- u32 sa_index0;
- ipsec_sa_t *sa0;
- ip4_and_ah_header_t *ih0, *oh0 = 0;
- ip6_and_ah_header_t *ih6_0, *oh6_0 = 0;
- u8 is_ipv6;
- u8 ip_hdr_size;
- u8 next_hdr_type;
- u8 transport_mode = 0;
- u8 tos = 0;
- u8 ttl = 0;
-
- i_bi0 = from[0];
- from += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
- next0 = AH_ENCRYPT_NEXT_DROP;
-
- i_b0 = vlib_get_buffer (vm, i_bi0);
- to_next[0] = i_bi0;
- to_next += 1;
- sa_index0 = vnet_buffer (i_b0)->ipsec.sad_index;
- sa0 = pool_elt_at_index (im->sad, sa_index0);
-
- if (PREDICT_FALSE (esp_seq_advance (sa0)))
- {
- clib_warning ("sequence number counter has cycled SPI %u",
- sa0->spi);
- vlib_node_increment_counter (vm, ah_encrypt_node.index,
- AH_ENCRYPT_ERROR_SEQ_CYCLED, 1);
- //TODO need to confirm if below is needed
- to_next[0] = i_bi0;
- to_next += 1;
- goto trace;
- }
+ /* this is the first packet to use this SA, claim the SA
+ * for this thread. this could happen simultaneously on
+ * another thread */
+ clib_atomic_cmp_and_swap (&sa0->thread_index, ~0,
+ ipsec_sa_assign_thread (thread_index));
+ }
+
+ if (PREDICT_TRUE (thread_index != sa0->thread_index))
+ {
+ next[0] = AH_ENCRYPT_NEXT_HANDOFF;
+ goto next;
+ }
+ if (PREDICT_FALSE (esp_seq_advance (sa0)))
+ {
+ b[0]->error = node->errors[AH_ENCRYPT_ERROR_SEQ_CYCLED];
+ pd->skip = 1;
+ goto next;
+ }
- sa0->total_data_size += i_b0->current_length;
+ current_sa_pkts += 1;
+ current_sa_bytes += b[0]->current_length;
- ssize_t adv;
- ih0 = vlib_buffer_get_current (i_b0);
- ttl = ih0->ip4.ttl;
- tos = ih0->ip4.tos;
+ ssize_t adv;
+ ih0 = vlib_buffer_get_current (b[0]);
- is_ipv6 = (ih0->ip4.ip_version_and_header_length & 0xF0) == 0x60;
- /* is ipv6 */
- if (PREDICT_TRUE (sa0->is_tunnel))
- {
- if (PREDICT_TRUE (!is_ipv6))
- adv = -sizeof (ip4_and_ah_header_t);
- else
- adv = -sizeof (ip6_and_ah_header_t);
- }
+ if (PREDICT_TRUE (ipsec_sa_is_set_IS_TUNNEL (sa0)))
+ {
+ if (is_ip6)
+ adv = -sizeof (ip6_and_ah_header_t);
else
- {
- adv = -sizeof (ah_header_t);
- }
+ adv = -sizeof (ip4_and_ah_header_t);
+ }
+ else
+ {
+ adv = -sizeof (ah_header_t);
+ }
- icv_size =
- em->ipsec_proto_main_integ_algs[sa0->integ_alg].trunc_size;
- /*transport mode save the eth header before it is overwritten */
- if (PREDICT_FALSE (!sa0->is_tunnel))
- {
- ethernet_header_t *ieh0 = (ethernet_header_t *)
- ((u8 *) vlib_buffer_get_current (i_b0) -
- sizeof (ethernet_header_t));
- ethernet_header_t *oeh0 =
- (ethernet_header_t *) ((u8 *) ieh0 + (adv - icv_size));
- clib_memcpy (oeh0, ieh0, sizeof (ethernet_header_t));
- }
+ icv_size = sa0->integ_icv_size;
+ const u8 padding_len = ah_calc_icv_padding_len (icv_size, is_ip6);
+ adv -= padding_len;
+ /* transport mode save the eth header before it is overwritten */
+ if (PREDICT_FALSE (!ipsec_sa_is_set_IS_TUNNEL (sa0)))
+ {
+ const u32 l2_len = vnet_buffer (b[0])->ip.save_rewrite_length;
+ u8 *l2_hdr_in = (u8 *) vlib_buffer_get_current (b[0]) - l2_len;
+
+ u8 *l2_hdr_out = l2_hdr_in + adv - icv_size;
+
+ clib_memcpy_le32 (l2_hdr_out, l2_hdr_in, l2_len);
+ }
+
+ vlib_buffer_advance (b[0], adv - icv_size);
+
+ if (is_ip6)
+ {
+ ih6_0 = (ip6_and_ah_header_t *) ih0;
+ ip_hdr_size = sizeof (ip6_header_t);
+ oh6_0 = vlib_buffer_get_current (b[0]);
+ pd->current_data = b[0]->current_data;
+ pd->hop_limit = ih6_0->ip6.hop_limit;
- vlib_buffer_advance (i_b0, adv - icv_size);
+ oh6_0->ip6.ip_version_traffic_class_and_flow_label =
+ ih6_0->ip6.ip_version_traffic_class_and_flow_label;
- /* is ipv6 */
- if (PREDICT_FALSE (is_ipv6))
+ ip6_set_dscp_network_order (&oh6_0->ip6, sa0->tunnel.t_dscp);
+
+ tunnel_encap_fixup_6o6 (sa0->tunnel_flags,
+ &ih6_0->ip6, &oh6_0->ip6);
+
+ pd->ip_version_traffic_class_and_flow_label =
+ oh6_0->ip6.ip_version_traffic_class_and_flow_label;
+ oh6_0->ip6.ip_version_traffic_class_and_flow_label = 0;
+
+ if (PREDICT_TRUE (ipsec_sa_is_set_IS_TUNNEL (sa0)))
{
- ih6_0 = (ip6_and_ah_header_t *) ih0;
- ip_hdr_size = sizeof (ip6_header_t);
- oh6_0 = vlib_buffer_get_current (i_b0);
-
- if (PREDICT_TRUE (sa0->is_tunnel))
- {
- next_hdr_type = IP_PROTOCOL_IPV6;
- oh6_0->ip6.ip_version_traffic_class_and_flow_label =
- ih6_0->ip6.ip_version_traffic_class_and_flow_label;
- }
- else
- {
- next_hdr_type = ih6_0->ip6.protocol;
- memmove (oh6_0, ih6_0, sizeof (ip6_header_t));
- }
-
- oh6_0->ip6.protocol = IP_PROTOCOL_IPSEC_AH;
- oh6_0->ip6.hop_limit = 254;
- oh6_0->ah.spi = clib_net_to_host_u32 (sa0->spi);
- oh6_0->ah.seq_no = clib_net_to_host_u32 (sa0->seq);
- oh6_0->ip6.payload_length =
- clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, i_b0) -
- sizeof (ip6_header_t));
+ next_hdr_type = IP_PROTOCOL_IPV6;
}
else
{
- ip_hdr_size = sizeof (ip4_header_t);
- oh0 = vlib_buffer_get_current (i_b0);
- memset (oh0, 0, sizeof (ip4_and_ah_header_t));
-
- if (PREDICT_TRUE (sa0->is_tunnel))
- {
- next_hdr_type = IP_PROTOCOL_IP_IN_IP;
- }
- else
- {
- next_hdr_type = ih0->ip4.protocol;
- memmove (oh0, ih0, sizeof (ip4_header_t));
- }
-
- oh0->ip4.length =
- clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, i_b0));
- oh0->ip4.ip_version_and_header_length = 0x45;
- oh0->ip4.fragment_id = 0;
- oh0->ip4.flags_and_fragment_offset = 0;
- oh0->ip4.ttl = 0;
- oh0->ip4.tos = 0;
- oh0->ip4.protocol = IP_PROTOCOL_IPSEC_AH;
- oh0->ah.spi = clib_net_to_host_u32 (sa0->spi);
- oh0->ah.seq_no = clib_net_to_host_u32 (sa0->seq);
- oh0->ip4.checksum = 0;
- oh0->ah.nexthdr = next_hdr_type;
- oh0->ah.hdrlen = 4;
+ next_hdr_type = ih6_0->ip6.protocol;
+ memmove (oh6_0, ih6_0, sizeof (ip6_header_t));
}
+ clib_memcpy_fast (&oh6_0->ip6, &ip6_hdr_template, 8);
+ oh6_0->ah.reserved = 0;
+ oh6_0->ah.nexthdr = next_hdr_type;
+ oh6_0->ah.spi = clib_net_to_host_u32 (sa0->spi);
+ oh6_0->ah.seq_no = clib_net_to_host_u32 (sa0->seq);
+ oh6_0->ip6.payload_length =
+ clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b[0]) -
+ sizeof (ip6_header_t));
+ oh6_0->ah.hdrlen =
+ (sizeof (ah_header_t) + icv_size + padding_len) / 4 - 2;
+ }
+ else
+ {
+ ip_hdr_size = sizeof (ip4_header_t);
+ oh0 = vlib_buffer_get_current (b[0]);
+ pd->ttl = ih0->ip4.ttl;
-
- if (PREDICT_TRUE
- (!is_ipv6 && sa0->is_tunnel && !sa0->is_tunnel_ip6))
+ if (sa0->tunnel.t_dscp)
+ pd->tos = sa0->tunnel.t_dscp << 2;
+ else
{
- oh0->ip4.src_address.as_u32 = sa0->tunnel_src_addr.ip4.as_u32;
- oh0->ip4.dst_address.as_u32 = sa0->tunnel_dst_addr.ip4.as_u32;
-
- next0 = AH_ENCRYPT_NEXT_IP4_LOOKUP;
- vnet_buffer (i_b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ pd->tos = ih0->ip4.tos;
+ if (!
+ (sa0->tunnel_flags &
+ TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP))
+ pd->tos &= 0x3;
+ if (!
+ (sa0->tunnel_flags &
+ TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN))
+ pd->tos &= 0xfc;
}
- else if (is_ipv6 && sa0->is_tunnel && sa0->is_tunnel_ip6)
+ pd->current_data = b[0]->current_data;
+ clib_memset (oh0, 0, sizeof (ip4_and_ah_header_t));
+
+ if (PREDICT_TRUE (ipsec_sa_is_set_IS_TUNNEL (sa0)))
{
- oh6_0->ip6.src_address.as_u64[0] =
- sa0->tunnel_src_addr.ip6.as_u64[0];
- oh6_0->ip6.src_address.as_u64[1] =
- sa0->tunnel_src_addr.ip6.as_u64[1];
- oh6_0->ip6.dst_address.as_u64[0] =
- sa0->tunnel_dst_addr.ip6.as_u64[0];
- oh6_0->ip6.dst_address.as_u64[1] =
- sa0->tunnel_dst_addr.ip6.as_u64[1];
-
- next0 = AH_ENCRYPT_NEXT_IP6_LOOKUP;
- vnet_buffer (i_b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ next_hdr_type = IP_PROTOCOL_IP_IN_IP;
}
else
{
- transport_mode = 1;
- next0 = AH_ENCRYPT_NEXT_INTERFACE_OUTPUT;
+ next_hdr_type = ih0->ip4.protocol;
+ memmove (oh0, ih0, sizeof (ip4_header_t));
}
- u8 sig[64];
- memset (sig, 0, sizeof (sig));
- u8 *digest = NULL;
- {
- digest = vlib_buffer_get_current (i_b0) + ip_hdr_size + icv_size;
- memset (digest, 0, icv_size);
- }
+ clib_memcpy_fast (&oh0->ip4, &ip4_hdr_template,
+ sizeof (ip4_header_t) -
+ sizeof (ip4_address_pair_t));
+
+ oh0->ip4.length =
+ clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b[0]));
+ oh0->ah.spi = clib_net_to_host_u32 (sa0->spi);
+ oh0->ah.seq_no = clib_net_to_host_u32 (sa0->seq);
+ oh0->ah.nexthdr = next_hdr_type;
+ oh0->ah.hdrlen =
+ (sizeof (ah_header_t) + icv_size + padding_len) / 4 - 2;
+ }
- hmac_calc (sa0->integ_alg, sa0->integ_key,
- sa0->integ_key_len,
- (u8 *) vlib_buffer_get_current (i_b0),
- i_b0->current_length, sig, sa0->use_esn, sa0->seq_hi);
+ if (PREDICT_TRUE (!is_ip6 && ipsec_sa_is_set_IS_TUNNEL (sa0) &&
+ !ipsec_sa_is_set_IS_TUNNEL_V6 (sa0)))
+ {
+ clib_memcpy_fast (&oh0->ip4.address_pair,
+ &sa0->ip4_hdr.address_pair,
+ sizeof (ip4_address_pair_t));
- memcpy (digest, (char *) &sig[0], 12);
+ next[0] = sa0->dpo.dpoi_next_node;
+ vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = sa0->dpo.dpoi_index;
+ }
+ else if (is_ip6 && ipsec_sa_is_set_IS_TUNNEL (sa0) &&
+ ipsec_sa_is_set_IS_TUNNEL_V6 (sa0))
+ {
+ clib_memcpy_fast (&oh6_0->ip6.src_address,
+ &sa0->ip6_hdr.src_address,
+ sizeof (ip6_address_t) * 2);
+ next[0] = sa0->dpo.dpoi_next_node;
+ vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = sa0->dpo.dpoi_index;
+ }
- if (PREDICT_FALSE (is_ipv6))
- {
- }
- else
+ if (PREDICT_TRUE (sa0->integ_op_id))
+ {
+ vnet_crypto_op_t *op;
+ vec_add2_aligned (ptd->integ_ops, op, 1, CLIB_CACHE_LINE_BYTES);
+ vnet_crypto_op_init (op, sa0->integ_op_id);
+ op->src = vlib_buffer_get_current (b[0]);
+ op->len = b[0]->current_length;
+ op->digest = vlib_buffer_get_current (b[0]) + ip_hdr_size +
+ sizeof (ah_header_t);
+ clib_memset (op->digest, 0, icv_size);
+ op->digest_len = icv_size;
+ op->key_index = sa0->integ_key_index;
+ op->user_data = b - bufs;
+ if (ipsec_sa_is_set_USE_ESN (sa0))
{
- oh0->ip4.ttl = ttl;
- oh0->ip4.tos = tos;
- oh0->ip4.checksum = ip4_header_checksum (&oh0->ip4);
+ u32 seq_hi = clib_host_to_net_u32 (sa0->seq_hi);
+
+ op->len += sizeof (seq_hi);
+ clib_memcpy (op->src + b[0]->current_length, &seq_hi,
+ sizeof (seq_hi));
}
+ }
- if (transport_mode)
- vlib_buffer_advance (i_b0, -sizeof (ethernet_header_t));;
+ if (!ipsec_sa_is_set_IS_TUNNEL (sa0))
+ {
+ next[0] = AH_ENCRYPT_NEXT_INTERFACE_OUTPUT;
+ vlib_buffer_advance (b[0], -sizeof (ethernet_header_t));
+ }
- trace:
- if (PREDICT_FALSE (i_b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- i_b0->flags |= VLIB_BUFFER_IS_TRACED;
- ah_encrypt_trace_t *tr =
- vlib_add_trace (vm, node, i_b0, sizeof (*tr));
- tr->spi = sa0->spi;
- tr->seq = sa0->seq - 1;
- tr->integ_alg = sa0->integ_alg;
- }
+ next:
+ n_left -= 1;
+ next += 1;
+ pd += 1;
+ b += 1;
+ }
+
+ n_left = frame->n_vectors;
+ next = nexts;
+ pd = pkt_data;
+ b = bufs;
+
+ vlib_node_increment_counter (vm, node->node_index,
+ AH_ENCRYPT_ERROR_RX_PKTS, n_left);
+ vlib_increment_combined_counter (&ipsec_sa_counters, thread_index,
+ current_sa_index, current_sa_pkts,
+ current_sa_bytes);
+
+ ah_process_ops (vm, node, ptd->integ_ops, bufs, nexts);
+
+ while (n_left)
+ {
+ if (pd->skip)
+ goto trace;
+
+ if (is_ip6)
+ {
+ oh6_0 = (ip6_and_ah_header_t *) (b[0]->data + pd->current_data);
+ oh6_0->ip6.hop_limit = pd->hop_limit;
+ oh6_0->ip6.ip_version_traffic_class_and_flow_label =
+ pd->ip_version_traffic_class_and_flow_label;
+ }
+ else
+ {
+ oh0 = (ip4_and_ah_header_t *) (b[0]->data + pd->current_data);
+ oh0->ip4.ttl = pd->ttl;
+ oh0->ip4.tos = pd->tos;
+ oh0->ip4.checksum = ip4_header_checksum (&oh0->ip4);
+ }
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next, i_bi0,
- next0);
+ trace:
+ if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sa0 = vec_elt_at_index (im->sad, pd->sa_index);
+ ah_encrypt_trace_t *tr =
+ vlib_add_trace (vm, node, b[0], sizeof (*tr));
+ tr->spi = sa0->spi;
+ tr->seq_lo = sa0->seq;
+ tr->seq_hi = sa0->seq_hi;
+ tr->integ_alg = sa0->integ_alg;
+ tr->sa_index = pd->sa_index;
}
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+
+ n_left -= 1;
+ next += 1;
+ pd += 1;
+ b += 1;
}
- vlib_node_increment_counter (vm, ah_encrypt_node.index,
- AH_ENCRYPT_ERROR_RX_PKTS,
- from_frame->n_vectors);
- return from_frame->n_vectors;
+ n_left = frame->n_vectors;
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, n_left);
+
+ return n_left;
}
+VLIB_NODE_FN (ah4_encrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return ah_encrypt_inline (vm, node, from_frame, 0 /* is_ip6 */ );
+}
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ah_encrypt_node) = {
- .function = ah_encrypt_node_fn,
- .name = "ah-encrypt",
+VLIB_REGISTER_NODE (ah4_encrypt_node) = {
+ .name = "ah4-encrypt",
.vector_size = sizeof (u32),
.format_trace = format_ah_encrypt_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
.n_next_nodes = AH_ENCRYPT_N_NEXT,
.next_nodes = {
-#define _(s,n) [AH_ENCRYPT_NEXT_##s] = n,
- foreach_ah_encrypt_next
-#undef _
+ [AH_ENCRYPT_NEXT_DROP] = "ip4-drop",
+ [AH_ENCRYPT_NEXT_HANDOFF] = "ah4-encrypt-handoff",
+ [AH_ENCRYPT_NEXT_INTERFACE_OUTPUT] = "interface-output",
+ },
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN (ah6_encrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return ah_encrypt_inline (vm, node, from_frame, 1 /* is_ip6 */ );
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ah6_encrypt_node) = {
+ .name = "ah6-encrypt",
+ .vector_size = sizeof (u32),
+ .format_trace = format_ah_encrypt_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(ah_encrypt_error_strings),
+ .error_strings = ah_encrypt_error_strings,
+
+ .n_next_nodes = AH_ENCRYPT_N_NEXT,
+ .next_nodes = {
+ [AH_ENCRYPT_NEXT_DROP] = "ip6-drop",
+ [AH_ENCRYPT_NEXT_HANDOFF] = "ah6-encrypt-handoff",
+ [AH_ENCRYPT_NEXT_INTERFACE_OUTPUT] = "interface-output",
},
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ah_encrypt_node, ah_encrypt_node_fn)
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff