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authorFan Zhang <roy.fan.zhang@intel.com>2020-04-29 14:00:03 +0100
committerDamjan Marion <dmarion@me.com>2020-04-30 14:38:33 +0000
commitf539578bac8b64886b57c460c9d74273e6613f8b (patch)
tree190e09705fe1ebb46ca86a48c19de49fcaf0cbb0 /src/vnet/ipsec/esp_encrypt.c
parent162330f25aeec09694fffaaa31ba9b318620eb9c (diff)
crypto: introduce async crypto infra
Type: feature Signed-off-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Filip Tehlar <ftehlar@cisco.com> Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com> Signed-off-by: Piotr Bronowski <piotrx.bronowski@intel.com> Signed-off-by: Dariusz Kazimierski <dariuszx.kazimierski@intel.com> Signed-off-by: Piotr Kleski <piotrx.kleski@intel.com> Change-Id: I4c3fcccf55c36842b7b48aed260fef2802b5c54b
Diffstat (limited to 'src/vnet/ipsec/esp_encrypt.c')
-rw-r--r--src/vnet/ipsec/esp_encrypt.c671
1 files changed, 537 insertions, 134 deletions
diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c
index e40d30d7b3e..dce887f6fa8 100644
--- a/src/vnet/ipsec/esp_encrypt.c
+++ b/src/vnet/ipsec/esp_encrypt.c
@@ -28,6 +28,7 @@
#define foreach_esp_encrypt_next \
_(DROP, "error-drop") \
+_(PENDING, "pending") \
_(HANDOFF, "handoff") \
_(INTERFACE_OUTPUT, "interface-output")
@@ -41,8 +42,10 @@ typedef enum
#define foreach_esp_encrypt_error \
_(RX_PKTS, "ESP pkts received") \
+ _(POST_RX_PKTS, "ESP-post pkts received") \
_(SEQ_CYCLED, "sequence number cycled (packet dropped)") \
_(CRYPTO_ENGINE_ERROR, "crypto engine error (packet dropped)") \
+ _(CRYPTO_QUEUE_FULL, "crypto queue full (packet dropped)") \
_(NO_BUFFERS, "no buffers (packet dropped)") \
typedef enum
@@ -70,6 +73,11 @@ typedef struct
ipsec_integ_alg_t integ_alg;
} esp_encrypt_trace_t;
+typedef struct
+{
+ u32 next_index;
+} esp_encrypt_post_trace_t;
+
/* packet trace format function */
static u8 *
format_esp_encrypt_trace (u8 * s, va_list * args)
@@ -88,6 +96,17 @@ format_esp_encrypt_trace (u8 * s, va_list * args)
return s;
}
+static u8 *
+format_esp_post_encrypt_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 *);
+ esp_encrypt_post_trace_t *t = va_arg (*args, esp_encrypt_post_trace_t *);
+
+ s = format (s, "esp-post: next node index %u", t->next_index);
+ return s;
+}
+
/* pad packet in input buffer */
static_always_inline u8 *
esp_add_footer_and_icv (vlib_main_t * vm, vlib_buffer_t ** last,
@@ -276,9 +295,281 @@ typedef struct
STATIC_ASSERT_SIZEOF (esp_gcm_nonce_t, 12);
+static_always_inline u32
+esp_encrypt_chain_crypto (vlib_main_t * vm, ipsec_per_thread_data_t * ptd,
+ ipsec_sa_t * sa0, vlib_buffer_t * b,
+ vlib_buffer_t * lb, u8 icv_sz, u8 * start,
+ u32 start_len, u16 * n_ch)
+{
+ vnet_crypto_op_chunk_t *ch;
+ vlib_buffer_t *cb = b;
+ u32 n_chunks = 1;
+ u32 total_len;
+ vec_add2 (ptd->chunks, ch, 1);
+ total_len = ch->len = start_len;
+ ch->src = ch->dst = start;
+ cb = vlib_get_buffer (vm, cb->next_buffer);
+
+ while (1)
+ {
+ vec_add2 (ptd->chunks, ch, 1);
+ n_chunks += 1;
+ if (lb == cb)
+ total_len += ch->len = cb->current_length - icv_sz;
+ else
+ total_len += ch->len = cb->current_length;
+ ch->src = ch->dst = vlib_buffer_get_current (cb);
+
+ if (!(cb->flags & VLIB_BUFFER_NEXT_PRESENT))
+ break;
+
+ cb = vlib_get_buffer (vm, cb->next_buffer);
+ }
+
+ if (n_ch)
+ *n_ch = n_chunks;
+
+ return total_len;
+}
+
+static_always_inline u32
+esp_encrypt_chain_integ (vlib_main_t * vm, ipsec_per_thread_data_t * ptd,
+ ipsec_sa_t * sa0, vlib_buffer_t * b,
+ vlib_buffer_t * lb, u8 icv_sz, u8 * start,
+ u32 start_len, u8 * digest, u16 * n_ch)
+{
+ vnet_crypto_op_chunk_t *ch;
+ vlib_buffer_t *cb = b;
+ u32 n_chunks = 1;
+ u32 total_len;
+ vec_add2 (ptd->chunks, ch, 1);
+ total_len = ch->len = start_len;
+ ch->src = start;
+ cb = vlib_get_buffer (vm, cb->next_buffer);
+
+ while (1)
+ {
+ vec_add2 (ptd->chunks, ch, 1);
+ n_chunks += 1;
+ if (lb == cb)
+ {
+ total_len += ch->len = cb->current_length - icv_sz;
+ if (ipsec_sa_is_set_USE_ESN (sa0))
+ {
+ u32 seq_hi = clib_net_to_host_u32 (sa0->seq_hi);
+ clib_memcpy_fast (digest, &seq_hi, sizeof (seq_hi));
+ ch->len += sizeof (seq_hi);
+ total_len += sizeof (seq_hi);
+ }
+ }
+ else
+ total_len += ch->len = cb->current_length;
+ ch->src = vlib_buffer_get_current (cb);
+
+ if (!(cb->flags & VLIB_BUFFER_NEXT_PRESENT))
+ break;
+
+ cb = vlib_get_buffer (vm, cb->next_buffer);
+ }
+
+ if (n_ch)
+ *n_ch = n_chunks;
+
+ return total_len;
+}
+
+always_inline void
+esp_prepare_sync_op (vlib_main_t * vm, ipsec_per_thread_data_t * ptd,
+ vnet_crypto_op_t ** crypto_ops,
+ vnet_crypto_op_t ** integ_ops, ipsec_sa_t * sa0,
+ u8 * payload, u16 payload_len, u8 iv_sz, u8 icv_sz,
+ vlib_buffer_t ** bufs, vlib_buffer_t ** b,
+ vlib_buffer_t * lb, u32 hdr_len, esp_header_t * esp,
+ esp_gcm_nonce_t * nonce)
+{
+ if (sa0->crypto_enc_op_id)
+ {
+ vnet_crypto_op_t *op;
+ vec_add2_aligned (crypto_ops[0], op, 1, CLIB_CACHE_LINE_BYTES);
+ vnet_crypto_op_init (op, sa0->crypto_enc_op_id);
+
+ op->src = op->dst = payload;
+ op->key_index = sa0->crypto_key_index;
+ op->len = payload_len - icv_sz;
+ op->user_data = b - bufs;
+
+ if (ipsec_sa_is_set_IS_AEAD (sa0))
+ {
+ /*
+ * construct the AAD in a scratch space in front
+ * of the IP header.
+ */
+ op->aad = payload - hdr_len - sizeof (esp_aead_t);
+ op->aad_len = esp_aad_fill (op->aad, esp, sa0);
+
+ op->tag = payload + op->len;
+ op->tag_len = 16;
+
+ u64 *iv = (u64 *) (payload - iv_sz);
+ nonce->salt = sa0->salt;
+ nonce->iv = *iv = clib_host_to_net_u64 (sa0->gcm_iv_counter++);
+ op->iv = (u8 *) nonce;
+ }
+ else
+ {
+ op->iv = payload - iv_sz;
+ op->flags = VNET_CRYPTO_OP_FLAG_INIT_IV;
+ }
+
+ if (lb != b[0])
+ {
+ /* is chained */
+ op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
+ op->chunk_index = vec_len (ptd->chunks);
+ op->tag = vlib_buffer_get_tail (lb) - icv_sz;
+ esp_encrypt_chain_crypto (vm, ptd, sa0, b[0], lb, icv_sz, payload,
+ payload_len, &op->n_chunks);
+ }
+ }
+
+ if (sa0->integ_op_id)
+ {
+ vnet_crypto_op_t *op;
+ vec_add2_aligned (integ_ops[0], op, 1, CLIB_CACHE_LINE_BYTES);
+ vnet_crypto_op_init (op, sa0->integ_op_id);
+ op->src = payload - iv_sz - sizeof (esp_header_t);
+ op->digest = payload + payload_len - icv_sz;
+ op->key_index = sa0->integ_key_index;
+ op->digest_len = icv_sz;
+ op->len = payload_len - icv_sz + iv_sz + sizeof (esp_header_t);
+ op->user_data = b - bufs;
+
+ if (lb != b[0])
+ {
+ /* is chained */
+ op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
+ op->chunk_index = vec_len (ptd->chunks);
+ op->digest = vlib_buffer_get_tail (lb) - icv_sz;
+
+ esp_encrypt_chain_integ (vm, ptd, sa0, b[0], lb, icv_sz,
+ payload - iv_sz - sizeof (esp_header_t),
+ payload_len + iv_sz +
+ sizeof (esp_header_t), op->digest,
+ &op->n_chunks);
+ }
+ else if (ipsec_sa_is_set_USE_ESN (sa0))
+ {
+ u32 seq_hi = clib_net_to_host_u32 (sa0->seq_hi);
+ clib_memcpy_fast (op->digest, &seq_hi, sizeof (seq_hi));
+ op->len += sizeof (seq_hi);
+ }
+ }
+}
+
+static_always_inline int
+esp_prepare_async_frame (vlib_main_t * vm, ipsec_per_thread_data_t * ptd,
+ vnet_crypto_async_frame_t ** async_frame,
+ ipsec_sa_t * sa, vlib_buffer_t * b,
+ esp_header_t * esp, u8 * payload, u32 payload_len,
+ u8 iv_sz, u8 icv_sz, u32 bi, u16 * next, u32 hdr_len,
+ u16 async_next, vlib_buffer_t * lb)
+{
+ esp_post_data_t *post = esp_post_data (b);
+ u8 *tag, *iv, *aad = 0;
+ u8 flag = 0;
+ u32 key_index;
+ i16 crypto_start_offset, integ_start_offset = 0;
+ u16 crypto_total_len, integ_total_len;
+
+ post->next_index = next[0];
+ next[0] = ESP_ENCRYPT_NEXT_PENDING;
+
+ /* crypto */
+ crypto_start_offset = payload - b->data;
+ crypto_total_len = integ_total_len = payload_len - icv_sz;
+ tag = payload + crypto_total_len;
+
+ /* aead */
+ if (ipsec_sa_is_set_IS_AEAD (sa))
+ {
+ esp_gcm_nonce_t *nonce;
+ u64 *pkt_iv = (u64 *) (payload - iv_sz);
+
+ aad = payload - hdr_len - sizeof (esp_aead_t);
+ esp_aad_fill (aad, esp, sa);
+ nonce = (esp_gcm_nonce_t *) (aad - sizeof (*nonce));
+ nonce->salt = sa->salt;
+ nonce->iv = *pkt_iv = clib_host_to_net_u64 (sa->gcm_iv_counter++);
+ iv = (u8 *) nonce;
+ key_index = sa->crypto_key_index;
+
+ if (lb != b)
+ {
+ /* chain */
+ flag |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
+ tag = vlib_buffer_get_tail (lb) - icv_sz;
+ crypto_total_len = esp_encrypt_chain_crypto (vm, ptd, sa, b, lb,
+ icv_sz, payload,
+ payload_len, 0);
+ }
+ goto out;
+ }
+
+ /* cipher then hash */
+ iv = payload - iv_sz;
+ integ_start_offset = crypto_start_offset - iv_sz - sizeof (esp_header_t);
+ integ_total_len += iv_sz + sizeof (esp_header_t);
+ flag |= VNET_CRYPTO_OP_FLAG_INIT_IV;
+ key_index = sa->linked_key_index;
+
+ if (b != lb)
+ {
+ flag |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
+ crypto_total_len = esp_encrypt_chain_crypto (vm, ptd, sa, b, lb,
+ icv_sz, payload,
+ payload_len, 0);
+ tag = vlib_buffer_get_tail (lb) - icv_sz;
+ integ_total_len = esp_encrypt_chain_integ (vm, ptd, sa, b, lb, icv_sz,
+ payload - iv_sz -
+ sizeof (esp_header_t),
+ payload_len + iv_sz +
+ sizeof (esp_header_t),
+ tag, 0);
+ }
+ else if (ipsec_sa_is_set_USE_ESN (sa) && !ipsec_sa_is_set_IS_AEAD (sa))
+ {
+ u32 seq_hi = clib_net_to_host_u32 (sa->seq_hi);
+ clib_memcpy_fast (tag, &seq_hi, sizeof (seq_hi));
+ integ_total_len += sizeof (seq_hi);
+ }
+
+out:
+ return vnet_crypto_async_add_to_frame (vm, async_frame, key_index,
+ crypto_total_len,
+ integ_total_len - crypto_total_len,
+ crypto_start_offset,
+ integ_start_offset, bi, async_next,
+ iv, tag, aad, flag);
+}
+
+/* when submitting a frame is failed, drop all buffers in the frame */
+static_always_inline void
+esp_async_recycle_failed_submit (vnet_crypto_async_frame_t * f,
+ vlib_buffer_t ** b, u16 * next)
+{
+ u32 n_drop = f->n_elts;
+ while (--n_drop)
+ {
+ (b - n_drop)[0]->error = ESP_ENCRYPT_ERROR_CRYPTO_ENGINE_ERROR;
+ (next - n_drop)[0] = ESP_ENCRYPT_NEXT_DROP;
+ }
+ vnet_crypto_async_reset_frame (f);
+}
+
always_inline uword
esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame, int is_ip6, int is_tun)
+ vlib_frame_t * frame, int is_ip6, int is_tun,
+ u16 async_next)
{
ipsec_main_t *im = &ipsec_main;
ipsec_per_thread_data_t *ptd = vec_elt_at_index (im->ptd, vm->thread_index);
@@ -293,16 +584,21 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
u32 current_sa_bytes = 0, spi = 0;
u8 block_sz = 0, iv_sz = 0, icv_sz = 0;
ipsec_sa_t *sa0 = 0;
- vnet_crypto_op_chunk_t *ch;
vlib_buffer_t *lb;
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;
+ int is_async = im->async_mode;
+ vnet_crypto_async_op_id_t last_async_op = ~0;
vlib_get_buffers (vm, from, b, n_left);
- vec_reset_length (ptd->crypto_ops);
- vec_reset_length (ptd->integ_ops);
- vec_reset_length (ptd->chained_crypto_ops);
- vec_reset_length (ptd->chained_integ_ops);
+ if (!is_async)
+ {
+ vec_reset_length (ptd->crypto_ops);
+ vec_reset_length (ptd->integ_ops);
+ vec_reset_length (ptd->chained_crypto_ops);
+ vec_reset_length (ptd->chained_integ_ops);
+ }
vec_reset_length (ptd->chunks);
while (n_left > 0)
@@ -351,6 +647,20 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
block_sz = sa0->crypto_block_size;
icv_sz = sa0->integ_icv_size;
iv_sz = sa0->crypto_iv_size;
+
+ /* submit frame when op_id is different then the old one */
+ if (is_async && sa0->crypto_async_enc_op_id != last_async_op)
+ {
+ if (async_frame && async_frame->n_elts)
+ {
+ if (vnet_crypto_async_submit_open_frame (vm, async_frame)
+ < 0)
+ esp_async_recycle_failed_submit (async_frame, b, next);
+ }
+ async_frame =
+ vnet_crypto_async_get_frame (vm, sa0->crypto_async_enc_op_id);
+ last_async_op = sa0->crypto_async_enc_op_id;
+ }
}
if (PREDICT_FALSE (~0 == sa0->encrypt_thread_index))
@@ -569,129 +879,25 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
esp->spi = spi;
esp->seq = clib_net_to_host_u32 (sa0->seq);
- if (sa0->crypto_enc_op_id)
+ if (is_async)
{
- vnet_crypto_op_t *op;
- vec_add2_aligned (crypto_ops[0], op, 1, CLIB_CACHE_LINE_BYTES);
- vnet_crypto_op_init (op, sa0->crypto_enc_op_id);
-
- op->src = op->dst = payload;
- op->key_index = sa0->crypto_key_index;
- op->len = payload_len - icv_sz;
- op->user_data = b - bufs;
-
- if (ipsec_sa_is_set_IS_AEAD (sa0))
- {
- /*
- * construct the AAD in a scratch space in front
- * of the IP header.
- */
- op->aad = payload - hdr_len - sizeof (esp_aead_t);
-
- esp_aad_fill (op, esp, sa0);
-
- op->tag = payload + op->len;
- op->tag_len = 16;
-
- u64 *iv = (u64 *) (payload - iv_sz);
- nonce->salt = sa0->salt;
- nonce->iv = *iv = clib_host_to_net_u64 (sa0->gcm_iv_counter++);
- op->iv = (u8 *) nonce;
- nonce++;
- }
- else
- {
- op->iv = payload - iv_sz;
- op->flags = VNET_CRYPTO_OP_FLAG_INIT_IV;
- }
+ if (PREDICT_FALSE (sa0->crypto_async_enc_op_id == 0))
+ goto trace;
- if (lb != b[0])
+ if (esp_prepare_async_frame (vm, ptd, &async_frame, sa0, b[0], esp,
+ payload, payload_len, iv_sz,
+ icv_sz, from[b - bufs], next, hdr_len,
+ async_next, lb))
{
- /* is chained */
- vlib_buffer_t *cb = b[0];
- op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
- op->chunk_index = vec_len (ptd->chunks);
- op->tag = vlib_buffer_get_tail (lb) - icv_sz;
- vec_add2 (ptd->chunks, ch, 1);
- ch->len = payload_len;
- ch->src = ch->dst = payload;
- cb = vlib_get_buffer (vm, cb->next_buffer);
- op->n_chunks = 1;
-
- while (1)
- {
- vec_add2 (ptd->chunks, ch, 1);
- op->n_chunks += 1;
- if (lb == cb)
- ch->len = cb->current_length - icv_sz;
- else
- ch->len = cb->current_length;
- ch->src = ch->dst = vlib_buffer_get_current (cb);
-
- if (!(cb->flags & VLIB_BUFFER_NEXT_PRESENT))
- break;
-
- cb = vlib_get_buffer (vm, cb->next_buffer);
- }
+ esp_async_recycle_failed_submit (async_frame, b, next);
+ goto trace;
}
}
-
- if (sa0->integ_op_id)
+ else
{
- vnet_crypto_op_t *op;
- vec_add2_aligned (integ_ops[0], op, 1, CLIB_CACHE_LINE_BYTES);
- vnet_crypto_op_init (op, sa0->integ_op_id);
- op->src = payload - iv_sz - sizeof (esp_header_t);
- op->digest = payload + payload_len - icv_sz;
- op->key_index = sa0->integ_key_index;
- op->digest_len = icv_sz;
- op->len = payload_len - icv_sz + iv_sz + sizeof (esp_header_t);
- op->user_data = b - bufs;
-
- if (lb != b[0])
- {
- /* is chained */
- op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
- vlib_buffer_t *cb = b[0];
- op->chunk_index = vec_len (ptd->chunks);
- op->digest = vlib_buffer_get_tail (lb) - icv_sz;
- vec_add2 (ptd->chunks, ch, 1);
- ch->len = payload_len + iv_sz + sizeof (esp_header_t);
- ch->src = payload - iv_sz - sizeof (esp_header_t);
- cb = vlib_get_buffer (vm, cb->next_buffer);
- op->n_chunks = 1;
-
- while (1)
- {
- vec_add2 (ptd->chunks, ch, 1);
- op->n_chunks += 1;
- if (lb == cb)
- {
- ch->len = cb->current_length - icv_sz;
- if (ipsec_sa_is_set_USE_ESN (sa0))
- {
- u32 seq_hi = clib_net_to_host_u32 (sa0->seq_hi);
- clib_memcpy_fast (op->digest, &seq_hi,
- sizeof (seq_hi));
- ch->len += sizeof (seq_hi);
- }
- }
- else
- ch->len = cb->current_length;
- ch->src = vlib_buffer_get_current (cb);
-
- if (!(cb->flags & VLIB_BUFFER_NEXT_PRESENT))
- break;
-
- cb = vlib_get_buffer (vm, cb->next_buffer);
- }
- }
- else if (ipsec_sa_is_set_USE_ESN (sa0))
- {
- u32 seq_hi = clib_net_to_host_u32 (sa0->seq_hi);
- clib_memcpy_fast (op->digest, &seq_hi, sizeof (seq_hi));
- op->len += sizeof (seq_hi);
- }
+ esp_prepare_sync_op (vm, ptd, crypto_ops, integ_ops, sa0, payload,
+ payload_len, iv_sz, icv_sz, bufs, b, lb,
+ hdr_len, esp, nonce++);
}
vlib_buffer_advance (b[0], 0LL - hdr_len);
@@ -721,14 +927,21 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_increment_combined_counter (&ipsec_sa_counters, thread_index,
current_sa_index, current_sa_packets,
current_sa_bytes);
+ if (!is_async)
+ {
+ esp_process_ops (vm, node, ptd->crypto_ops, bufs, nexts);
+ esp_process_chained_ops (vm, node, ptd->chained_crypto_ops, bufs, nexts,
+ ptd->chunks);
- esp_process_ops (vm, node, ptd->crypto_ops, bufs, nexts);
- esp_process_chained_ops (vm, node, ptd->chained_crypto_ops, bufs, nexts,
- ptd->chunks);
-
- esp_process_ops (vm, node, ptd->integ_ops, bufs, nexts);
- esp_process_chained_ops (vm, node, ptd->chained_integ_ops, bufs, nexts,
- ptd->chunks);
+ esp_process_ops (vm, node, ptd->integ_ops, bufs, nexts);
+ esp_process_chained_ops (vm, node, ptd->chained_integ_ops, bufs, nexts,
+ ptd->chunks);
+ }
+ else if (async_frame && async_frame->n_elts)
+ {
+ if (vnet_crypto_async_submit_open_frame (vm, async_frame) < 0)
+ esp_async_recycle_failed_submit (async_frame, b, next);
+ }
vlib_node_increment_counter (vm, node->node_index,
ESP_ENCRYPT_ERROR_RX_PKTS, frame->n_vectors);
@@ -737,11 +950,98 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
return frame->n_vectors;
}
+always_inline uword
+esp_encrypt_post_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
+ u16 nexts[VLIB_FRAME_SIZE], *next = nexts;
+ u32 *from = vlib_frame_vector_args (frame);
+ u32 n_left = frame->n_vectors;
+
+ vlib_get_buffers (vm, from, b, n_left);
+
+ if (n_left >= 4)
+ {
+ vlib_prefetch_buffer_header (b[0], LOAD);
+ vlib_prefetch_buffer_header (b[1], LOAD);
+ vlib_prefetch_buffer_header (b[2], LOAD);
+ vlib_prefetch_buffer_header (b[3], LOAD);
+ }
+
+ while (n_left > 8)
+ {
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
+
+ next[0] = (esp_post_data (b[0]))->next_index;
+ next[1] = (esp_post_data (b[1]))->next_index;
+ next[2] = (esp_post_data (b[2]))->next_index;
+ next[3] = (esp_post_data (b[3]))->next_index;
+
+ if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
+ {
+ if (b[0]->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ esp_encrypt_post_trace_t *tr = vlib_add_trace (vm, node, b[0],
+ sizeof (*tr));
+ tr->next_index = next[0];
+ }
+ if (b[1]->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ esp_encrypt_post_trace_t *tr = vlib_add_trace (vm, node, b[1],
+ sizeof (*tr));
+ tr->next_index = next[1];
+ }
+ if (b[2]->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ esp_encrypt_post_trace_t *tr = vlib_add_trace (vm, node, b[2],
+ sizeof (*tr));
+ tr->next_index = next[2];
+ }
+ if (b[3]->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ esp_encrypt_post_trace_t *tr = vlib_add_trace (vm, node, b[3],
+ sizeof (*tr));
+ tr->next_index = next[3];
+ }
+ }
+
+ b += 4;
+ next += 4;
+ n_left -= 4;
+ }
+
+ while (n_left > 0)
+ {
+ next[0] = (esp_post_data (b[0]))->next_index;
+ if (PREDICT_FALSE (b[0]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ esp_encrypt_post_trace_t *tr = vlib_add_trace (vm, node, b[0],
+ sizeof (*tr));
+ tr->next_index = next[0];
+ }
+
+ b += 1;
+ next += 1;
+ n_left -= 1;
+ }
+
+ vlib_node_increment_counter (vm, node->node_index,
+ ESP_ENCRYPT_ERROR_POST_RX_PKTS,
+ frame->n_vectors);
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+ return frame->n_vectors;
+}
+
VLIB_NODE_FN (esp4_encrypt_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
- return esp_encrypt_inline (vm, node, from_frame, 0 /* is_ip6 */ , 0);
+ return esp_encrypt_inline (vm, node, from_frame, 0 /* is_ip6 */ , 0,
+ esp_encrypt_async_next.esp4_post_next);
}
/* *INDENT-OFF* */
@@ -759,15 +1059,37 @@ VLIB_REGISTER_NODE (esp4_encrypt_node) = {
[ESP_ENCRYPT_NEXT_DROP] = "ip4-drop",
[ESP_ENCRYPT_NEXT_HANDOFF] = "esp4-encrypt-handoff",
[ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT] = "interface-output",
+ [ESP_ENCRYPT_NEXT_PENDING] = "esp-encrypt-pending",
},
};
/* *INDENT-ON* */
+VLIB_NODE_FN (esp4_encrypt_post_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return esp_encrypt_post_inline (vm, node, from_frame);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (esp4_encrypt_post_node) = {
+ .name = "esp4-encrypt-post",
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_post_encrypt_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .sibling_of = "esp4-encrypt",
+
+ .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+};
+/* *INDENT-ON* */
+
VLIB_NODE_FN (esp6_encrypt_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
- return esp_encrypt_inline (vm, node, from_frame, 1 /* is_ip6 */ , 0);
+ return esp_encrypt_inline (vm, node, from_frame, 1 /* is_ip6 */ , 0,
+ esp_encrypt_async_next.esp6_post_next);
}
/* *INDENT-OFF* */
@@ -785,15 +1107,37 @@ VLIB_REGISTER_NODE (esp6_encrypt_node) = {
[ESP_ENCRYPT_NEXT_DROP] = "ip6-drop",
[ESP_ENCRYPT_NEXT_HANDOFF] = "esp6-encrypt-handoff",
[ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT] = "interface-output",
+ [ESP_ENCRYPT_NEXT_PENDING] = "esp-encrypt-pending",
},
};
/* *INDENT-ON* */
+VLIB_NODE_FN (esp6_encrypt_post_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return esp_encrypt_post_inline (vm, node, from_frame);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (esp6_encrypt_post_node) = {
+ .name = "esp6-encrypt-post",
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_post_encrypt_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .sibling_of = "esp6-encrypt",
+
+ .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+};
+/* *INDENT-ON* */
+
VLIB_NODE_FN (esp4_encrypt_tun_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
- return esp_encrypt_inline (vm, node, from_frame, 0 /* is_ip6 */ , 1);
+ return esp_encrypt_inline (vm, node, from_frame, 0 /* is_ip6 */ , 1,
+ esp_encrypt_async_next.esp4_tun_post_next);
}
/* *INDENT-OFF* */
@@ -811,9 +1155,29 @@ VLIB_REGISTER_NODE (esp4_encrypt_tun_node) = {
[ESP_ENCRYPT_NEXT_DROP] = "ip4-drop",
[ESP_ENCRYPT_NEXT_HANDOFF] = "esp4-encrypt-tun-handoff",
[ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT] = "error-drop",
+ [ESP_ENCRYPT_NEXT_PENDING] = "esp-encrypt-pending",
},
};
+VLIB_NODE_FN (esp4_encrypt_tun_post_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return esp_encrypt_post_inline (vm, node, from_frame);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (esp4_encrypt_tun_post_node) = {
+ .name = "esp4-encrypt-tun-post",
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_post_encrypt_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .sibling_of = "esp4-encrypt-tun",
+
+ .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+};
+
VNET_FEATURE_INIT (esp4_encrypt_tun_feat_node, static) =
{
.arc_name = "ip4-output",
@@ -840,7 +1204,8 @@ VLIB_NODE_FN (esp6_encrypt_tun_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
- return esp_encrypt_inline (vm, node, from_frame, 1 /* is_ip6 */ , 1);
+ return esp_encrypt_inline (vm, node, from_frame, 1 /* is_ip6 */ , 1,
+ esp_encrypt_async_next.esp6_tun_post_next);
}
/* *INDENT-OFF* */
@@ -858,6 +1223,7 @@ VLIB_REGISTER_NODE (esp6_encrypt_tun_node) = {
[ESP_ENCRYPT_NEXT_DROP] = "ip6-drop",
[ESP_ENCRYPT_NEXT_HANDOFF] = "esp6-encrypt-tun-handoff",
[ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT] = "error-drop",
+ [ESP_ENCRYPT_NEXT_PENDING] = "esp-encrypt-pending",
},
};
@@ -877,6 +1243,26 @@ VNET_FEATURE_INIT (esp4o6_encrypt_tun_feat_node, static) =
/* *INDENT-ON* */
+VLIB_NODE_FN (esp6_encrypt_tun_post_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return esp_encrypt_post_inline (vm, node, from_frame);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (esp6_encrypt_tun_post_node) = {
+ .name = "esp6-encrypt-tun-post",
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_post_encrypt_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .sibling_of = "esp6-encrypt-tun",
+
+ .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+};
+/* *INDENT-ON* */
+
typedef struct
{
u32 sa_index;
@@ -1008,6 +1394,23 @@ VNET_FEATURE_INIT (esp6_no_crypto_tun_feat_node, static) =
};
/* *INDENT-ON* */
+VLIB_NODE_FN (esp_encrypt_pending_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return from_frame->n_vectors;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (esp_encrypt_pending_node) = {
+ .name = "esp-encrypt-pending",
+ .vector_size = sizeof (u32),
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_next_nodes = 0
+};
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*