#undef _
};
-vlib_node_registration_t dpdk_esp_decrypt_node;
+extern vlib_node_registration_t dpdk_esp4_decrypt_node;
+extern vlib_node_registration_t dpdk_esp6_decrypt_node;
typedef struct {
ipsec_crypto_alg_t crypto_alg;
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_decrypt_trace_t * t = va_arg (*args, esp_decrypt_trace_t *);
- uword indent = format_get_indent (s);
+ u32 indent = format_get_indent (s);
s = format (s, "cipher %U auth %U\n",
format_ipsec_crypto_alg, t->crypto_alg,
return s;
}
-static uword
-dpdk_esp_decrypt_node_fn (vlib_main_t * vm,
+always_inline uword
+dpdk_esp_decrypt_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_frame_t * from_frame,
+ int is_ip6)
{
u32 n_left_from, *from, *to_next, next_index;
ipsec_main_t *im = &ipsec_main;
ret = crypto_alloc_ops (numa, ops, n_left_from);
if (ret)
{
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_DISCARD, 1);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
ESP_DECRYPT_ERROR_DISCARD, 1);
/* Discard whole frame */
return n_left_from;
if (sa_index0 != last_sa_index)
{
- last_sa_index = sa_index0;
-
sa0 = pool_elt_at_index (im->sad, sa_index0);
cipher_alg = vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg);
auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg);
-#if DPDK_NO_AEAD
- is_aead = (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128 |
- sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192 |
- sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256);
-#else
is_aead = (cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD);
-#endif
if (is_aead)
auth_alg = cipher_alg;
if (PREDICT_FALSE (res_idx == (u16) ~0))
{
clib_warning ("unsupported SA by thread index %u", thread_idx);
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_NOSUP, 1);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
ESP_DECRYPT_ERROR_NOSUP, 1);
to_next[0] = bi0;
to_next += 1;
if (PREDICT_FALSE (error || !session))
{
clib_warning ("failed to get crypto session");
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_SESSION, 1);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
ESP_DECRYPT_ERROR_SESSION, 1);
to_next[0] = bi0;
to_next += 1;
n_left_to_next -= 1;
goto trace;
}
+
+ last_sa_index = sa_index0;
}
/* anti-replay check */
if (PREDICT_FALSE (rv))
{
clib_warning ("failed anti-replay check");
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_REPLAY, 1);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
ESP_DECRYPT_ERROR_REPLAY, 1);
to_next[0] = bi0;
to_next += 1;
}
}
- priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT_POST;
+ if(is_ip6)
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT6_POST;
+ else
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT4_POST;
/* FIXME multi-seg */
sa0->total_data_size += b0->current_length;
{
clib_warning ("payload %u not multiple of %d\n",
payload_len, cipher_alg->boundary);
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_BAD_LEN, 1);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
ESP_DECRYPT_ERROR_BAD_LEN, 1);
res->n_ops -= 1;
to_next[0] = bi0;
}
u32 cipher_off, cipher_len;
- u32 auth_len = 0, aad_size = 0;
- u8 *aad = NULL, *digest = NULL;
- u64 digest_paddr = 0;
+ u32 auth_len = 0;
+ u8 *aad = NULL;
u8 *iv = (u8 *) (esp0 + 1);
cipher_off = sizeof (esp_header_t) + iv_size;
cipher_len = payload_len;
- digest = vlib_buffer_get_tail (b0) - trunc_size;
+ u8 *digest = vlib_buffer_get_tail (b0) - trunc_size;
+ u64 digest_paddr =
+ mb0->buf_physaddr + digest - ((u8 *) mb0->buf_addr);
- if (cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC)
- clib_memcpy(icb, iv, 16);
+ if (!is_aead && cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC)
+ clib_memcpy_fast(icb, iv, 16);
else /* CTR/GCM */
{
u32 *_iv = (u32 *) iv;
crypto_set_icb (icb, sa0->salt, _iv[0], _iv[1]);
-#if DPDK_NO_AEAD
- iv_size = 16;
-#else
- iv_size = 12;
-#endif
}
if (is_aead)
{
aad = priv->aad;
- clib_memcpy(aad, esp0, 8);
+ u32 * _aad = (u32 *) aad;
+ clib_memcpy_fast (aad, esp0, 8);
+
+ /* _aad[3] should always be 0 */
if (PREDICT_FALSE (sa0->use_esn))
- {
- *((u32*)&aad[8]) = sa0->seq_hi;
- aad_size = 12;
- }
+ _aad[2] = clib_host_to_net_u32 (sa0->seq_hi);
else
- aad_size = 8;
+ _aad[2] = 0;
}
else
{
if (sa0->use_esn)
{
- clib_memcpy (priv->icv, digest, trunc_size);
- *((u32*) digest) = sa0->seq_hi;
+ clib_memcpy_fast (priv->icv, digest, trunc_size);
+ u32 *_digest = (u32 *) digest;
+ _digest[0] = clib_host_to_net_u32 (sa0->seq_hi);
auth_len += sizeof(sa0->seq_hi);
digest = priv->icv;
}
}
- crypto_op_setup (is_aead, mb0, op, session,
- cipher_off, cipher_len, (u8 *) icb, iv_size,
- 0, auth_len, aad, aad_size,
- digest, digest_paddr, trunc_size);
+ crypto_op_setup (is_aead, mb0, op, session, cipher_off, cipher_len,
+ 0, auth_len, aad, digest, digest_paddr);
trace:
if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
{
esp_decrypt_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
tr->crypto_alg = sa0->crypto_alg;
tr->integ_alg = sa0->integ_alg;
- clib_memcpy (tr->packet_data, vlib_buffer_get_current (b0),
+ clib_memcpy_fast (tr->packet_data, vlib_buffer_get_current (b0),
sizeof (esp_header_t));
}
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
- ESP_DECRYPT_ERROR_RX_PKTS,
- from_frame->n_vectors);
+ if(is_ip6){
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_RX_PKTS,
+ from_frame->n_vectors);
- crypto_enqueue_ops (vm, cwm, 0, dpdk_esp_decrypt_node.index,
+ crypto_enqueue_ops (vm, cwm, 0, dpdk_esp6_decrypt_node.index,
ESP_DECRYPT_ERROR_ENQ_FAIL, numa);
+ }
+ else
+ {
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
+ ESP_DECRYPT_ERROR_RX_PKTS,
+ from_frame->n_vectors);
+
+ crypto_enqueue_ops (vm, cwm, 0, dpdk_esp4_decrypt_node.index,
+ ESP_DECRYPT_ERROR_ENQ_FAIL, numa);
+ }
crypto_free_ops (numa, ops, cwm->ops + from_frame->n_vectors - ops);
return from_frame->n_vectors;
}
+VLIB_NODE_FN(dpdk_esp4_decrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_decrypt_inline(vm, node, from_frame, 0 /*is_ip6*/);
+}
+
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (dpdk_esp_decrypt_node) = {
- .function = dpdk_esp_decrypt_node_fn,
- .name = "dpdk-esp-decrypt",
+VLIB_REGISTER_NODE (dpdk_esp4_decrypt_node) = {
+ .name = "dpdk-esp4-decrypt",
.vector_size = sizeof (u32),
.format_trace = format_esp_decrypt_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_decrypt_node, dpdk_esp_decrypt_node_fn)
+VLIB_NODE_FN(dpdk_esp6_decrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_decrypt_inline(vm, node, from_frame, 1 /*is_ip6*/);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp6_decrypt_node) = {
+ .name = "dpdk-esp6-decrypt",
+ .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_next_nodes = ESP_DECRYPT_N_NEXT,
+ .next_nodes = {
+#define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
+ foreach_esp_decrypt_next
+#undef _
+ },
+};
+/* *INDENT-ON* */
/*
* Decrypt Post Node
#undef _
};
-vlib_node_registration_t dpdk_esp_decrypt_post_node;
+extern vlib_node_registration_t dpdk_esp4_decrypt_post_node;
+extern vlib_node_registration_t dpdk_esp6_decrypt_post_node;
static u8 * format_esp_decrypt_post_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_decrypt_trace_t * t = va_arg (*args, esp_decrypt_trace_t *);
- uword indent = format_get_indent (s);
+ u32 indent = format_get_indent (s);
s = format (s, "cipher %U auth %U\n",
format_ipsec_crypto_alg, t->crypto_alg,
return s;
}
-static uword
-dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm,
+always_inline uword
+dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_frame_t * from_frame,
+ int is_ip6)
{
u32 n_left_from, *from, *to_next = 0, next_index;
ipsec_sa_t * sa0;
crypto_alg_t *cipher_alg, *auth_alg;
esp_header_t *esp0;
u8 trunc_size, is_aead;
+ u16 udp_encap_adv = 0;
next0 = ESP_DECRYPT_NEXT_DROP;
cipher_alg = vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg);
auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg);
-#if DPDK_NO_AEAD
- is_aead = (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128 |
- sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192 |
- sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256);
-#else
is_aead = cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD;
-#endif
if (is_aead)
auth_alg = cipher_alg;
esp_replay_advance(sa0, seq);
}
- /* FIXME ip header */
- ih4 = (ip4_header_t *) (b0->data + sizeof(ethernet_header_t));
+ /* if UDP encapsulation is used adjust the address of the IP header */
+ if (sa0->udp_encap && (b0->flags & VNET_BUFFER_F_IS_IP4))
+ {
+ udp_encap_adv = sizeof (udp_header_t);
+ }
+
+ if (b0->flags & VNET_BUFFER_F_IS_IP4)
+ ih4 = (ip4_header_t *)
+ ((u8 *) esp0 - udp_encap_adv - sizeof (ip4_header_t));
+ else
+ ih4 =
+ (ip4_header_t *) ((u8 *) esp0 - sizeof (ip6_header_t));
+
vlib_buffer_advance (b0, sizeof (esp_header_t) + iv_size);
b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
else
{
clib_warning("next header: 0x%x", f0->next_header);
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
+ 1);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
1);
goto trace;
{
if ((ih4->ip_version_and_header_length & 0xF0) == 0x40)
{
- u16 ih4_len = ip4_header_bytes (ih4);
- vlib_buffer_advance (b0, - ih4_len);
- oh4 = vlib_buffer_get_current (b0);
- memmove(oh4, ih4, ih4_len);
-
- next0 = ESP_DECRYPT_NEXT_IP4_INPUT;
- u16 old_ttl_prot =
- ((u16) oh4->ttl) << 8 | (u16) oh4->protocol;
- u16 new_ttl_prot =
- ((u16) oh4->ttl) << 8 | (u16) f0->next_header;
- oh4->protocol = f0->next_header;
- u16 new_len = clib_host_to_net_u16 (b0->current_length);
- oh4->length = new_len;
- /* rfc1264 incremental checksum update */
- oh4->checksum = ~(~oh4->checksum + ~oh4->length + new_len +
- ~old_ttl_prot + new_ttl_prot);
-
+ u16 ih4_len = ip4_header_bytes (ih4);
+ vlib_buffer_advance (b0, - ih4_len - udp_encap_adv);
+ next0 = ESP_DECRYPT_NEXT_IP4_INPUT;
+ if (!sa0->udp_encap)
+ {
+ oh4 = vlib_buffer_get_current (b0);
+ memmove(oh4, ih4, ih4_len);
+ oh4->protocol = f0->next_header;
+ oh4->length = clib_host_to_net_u16 (b0->current_length);
+ oh4->checksum = ip4_header_checksum(oh4);
+ }
}
else if ((ih4->ip_version_and_header_length & 0xF0) == 0x60)
{
- /* FIXME find ip header */
- ih6 = (ip6_header_t *) (b0->data + sizeof(ethernet_header_t));
+ ih6 = (ip6_header_t *) ih4;
vlib_buffer_advance (b0, -sizeof(ip6_header_t));
oh6 = vlib_buffer_get_current (b0);
memmove(oh6, ih6, sizeof(ip6_header_t));
else
{
clib_warning("next header: 0x%x", f0->next_header);
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
+ ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
+ 1);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
1);
goto trace;
tr->crypto_alg = sa0->crypto_alg;
tr->integ_alg = sa0->integ_alg;
ih4 = vlib_buffer_get_current (b0);
- clib_memcpy (tr->packet_data, ih4, sizeof (ip6_header_t));
+ clib_memcpy_fast (tr->packet_data, ih4, sizeof (ip6_header_t));
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, dpdk_esp_decrypt_post_node.index,
+ if(is_ip6)
+ vlib_node_increment_counter (vm, dpdk_esp6_decrypt_post_node.index,
+ ESP_DECRYPT_POST_ERROR_PKTS,
+ from_frame->n_vectors);
+ else
+ vlib_node_increment_counter (vm, dpdk_esp4_decrypt_post_node.index,
ESP_DECRYPT_POST_ERROR_PKTS,
from_frame->n_vectors);
return from_frame->n_vectors;
}
+VLIB_NODE_FN(dpdk_esp4_decrypt_post_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{return dpdk_esp_decrypt_post_inline(vm, node, from_frame, 0/*is_ip6*/);}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp4_decrypt_post_node) = {
+ .name = "dpdk-esp4-decrypt-post",
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_decrypt_post_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(esp_decrypt_post_error_strings),
+ .error_strings = esp_decrypt_post_error_strings,
+
+ .n_next_nodes = ESP_DECRYPT_N_NEXT,
+ .next_nodes = {
+#define _(s,n) [ESP_DECRYPT_NEXT_##s] = n,
+ foreach_esp_decrypt_next
+#undef _
+ },
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN(dpdk_esp6_decrypt_post_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_decrypt_post_inline(vm, node, from_frame, 0/*is_ip6*/);
+}
+
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (dpdk_esp_decrypt_post_node) = {
- .function = dpdk_esp_decrypt_post_node_fn,
- .name = "dpdk-esp-decrypt-post",
+VLIB_REGISTER_NODE (dpdk_esp6_decrypt_post_node) = {
+ .name = "dpdk-esp6-decrypt-post",
.vector_size = sizeof (u32),
.format_trace = format_esp_decrypt_post_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_decrypt_post_node, dpdk_esp_decrypt_post_node_fn)
Code Review / vpp.git / blobdiff