#undef _
};
-vlib_node_registration_t esp_encrypt_node;
-
typedef struct
{
u32 spi;
}
always_inline void
-esp_encrypt_cbc (ipsec_crypto_alg_t alg,
+esp_encrypt_cbc (vlib_main_t * vm, ipsec_crypto_alg_t alg,
u8 * in, u8 * out, size_t in_len, u8 * key, u8 * iv)
{
ipsec_proto_main_t *em = &ipsec_proto_main;
- u32 thread_index = vlib_get_thread_index ();
+ u32 thread_index = vm->thread_index;
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
EVP_CIPHER_CTX *ctx = em->per_thread_data[thread_index].encrypt_ctx;
#else
EVP_EncryptFinal_ex (ctx, out + out_len, &out_len);
}
-static uword
-esp_encrypt_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+always_inline uword
+esp_encrypt_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame,
+ int is_ip6)
{
u32 n_left_from, *from, *to_next = 0, next_index;
from = vlib_frame_vector_args (from_frame);
ipsec_main_t *im = &ipsec_main;
ipsec_proto_main_t *em = &ipsec_proto_main;
u32 *recycle = 0;
- u32 thread_index = vlib_get_thread_index ();
+ u32 thread_index = vm->thread_index;
ipsec_alloc_empty_buffers (vm, im);
if (PREDICT_FALSE (vec_len (empty_buffers) < n_left_from))
{
- vlib_node_increment_counter (vm, esp_encrypt_node.index,
+ vlib_node_increment_counter (vm, node->node_index,
ESP_ENCRYPT_ERROR_NO_BUFFER, n_left_from);
- clib_warning ("no enough empty buffers. discarding frame");
+ clib_warning ("not enough empty buffers. discarding frame");
goto free_buffers_and_exit;
}
uword last_empty_buffer;
esp_header_t *o_esp0;
esp_footer_t *f0;
- u8 is_ipv6;
u8 ip_udp_hdr_size;
u8 next_hdr_type;
u32 ip_proto = 0;
{
clib_warning ("sequence number counter has cycled SPI %u",
sa0->spi);
- vlib_node_increment_counter (vm, esp_encrypt_node.index,
+ vlib_node_increment_counter (vm, node->node_index,
ESP_ENCRYPT_ERROR_SEQ_CYCLED, 1);
//TODO: rekey SA
o_bi0 = i_bi0;
/* add old buffer to the recycle list */
vec_add1 (recycle, i_bi0);
- /* is ipv6 */
- if (PREDICT_FALSE
- ((iuh0->ip4.ip_version_and_header_length & 0xF0) == 0x60))
+ if (is_ip6)
{
- is_ipv6 = 1;
ih6_0 = vlib_buffer_get_current (i_b0);
next_hdr_type = IP_PROTOCOL_IPV6;
oh6_0 = vlib_buffer_get_current (o_b0);
}
else
{
- is_ipv6 = 0;
next_hdr_type = IP_PROTOCOL_IP_IN_IP;
oh0 = vlib_buffer_get_current (o_b0);
ouh0 = vlib_buffer_get_current (o_b0);
next0 = ESP_ENCRYPT_NEXT_IP4_LOOKUP;
}
- if (PREDICT_TRUE
- (!is_ipv6 && sa0->is_tunnel && !sa0->is_tunnel_ip6))
+ if (PREDICT_TRUE (!is_ip6 && sa0->is_tunnel && !sa0->is_tunnel_ip6))
{
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;
- vnet_buffer (o_b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ vnet_buffer (o_b0)->sw_if_index[VLIB_TX] = sa0->tx_fib_index;
}
- else if (is_ipv6 && sa0->is_tunnel && sa0->is_tunnel_ip6)
+ else if (is_ip6 && sa0->is_tunnel && sa0->is_tunnel_ip6)
{
oh6_0->ip6.src_address.as_u64[0] =
sa0->tunnel_src_addr.ip6.as_u64[0];
oh6_0->ip6.dst_address.as_u64[1] =
sa0->tunnel_dst_addr.ip6.as_u64[1];
- vnet_buffer (o_b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ vnet_buffer (o_b0)->sw_if_index[VLIB_TX] = sa0->tx_fib_index;
}
else
{
vlib_buffer_get_current (i_b0) -
sizeof (ethernet_header_t));
oeh0 = (ethernet_header_t *) o_b0->data;
- clib_memcpy (oeh0, ieh0, sizeof (ethernet_header_t));
+ clib_memcpy_fast (oeh0, ieh0, sizeof (ethernet_header_t));
next0 = ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT;
vnet_buffer (o_b0)->sw_if_index[VLIB_TX] =
vnet_buffer (i_b0)->sw_if_index[VLIB_TX];
}
- vlib_buffer_advance (i_b0, ip_udp_hdr_size);
+
+ if (is_ip6)
+ {
+ vlib_buffer_advance (i_b0, sizeof (ip6_header_t));
+ }
+ else
+ {
+ vlib_buffer_advance (i_b0, sizeof (ip4_header_t));
+ }
}
ASSERT (sa0->crypto_alg < IPSEC_CRYPTO_N_ALG);
ipsec_proto_main_crypto_algs[sa0->crypto_alg].iv_size];
RAND_bytes (iv, sizeof (iv));
- clib_memcpy ((u8 *) vlib_buffer_get_current (o_b0) +
- ip_udp_hdr_size + sizeof (esp_header_t), iv,
- em->ipsec_proto_main_crypto_algs[sa0->
- crypto_alg].iv_size);
+ clib_memcpy_fast ((u8 *) vlib_buffer_get_current (o_b0) +
+ ip_udp_hdr_size + sizeof (esp_header_t), iv,
+ em->ipsec_proto_main_crypto_algs[sa0->
+ crypto_alg].iv_size);
- esp_encrypt_cbc (sa0->crypto_alg,
+ esp_encrypt_cbc (vm, sa0->crypto_alg,
(u8 *) vlib_buffer_get_current (i_b0),
(u8 *) vlib_buffer_get_current (o_b0) +
ip_udp_hdr_size + sizeof (esp_header_t) +
sa0->use_esn, sa0->seq_hi);
- if (PREDICT_FALSE (is_ipv6))
+ if (is_ip6)
{
oh6_0->ip6.payload_length =
clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, o_b0) -
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, esp_encrypt_node.index,
+ vlib_node_increment_counter (vm, node->node_index,
ESP_ENCRYPT_ERROR_RX_PKTS,
from_frame->n_vectors);
return from_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 */ );
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (esp4_encrypt_node) = {
+ .name = "esp4-encrypt",
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_encrypt_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+
+ .n_next_nodes = ESP_ENCRYPT_N_NEXT,
+ .next_nodes = {
+#define _(s,n) [ESP_ENCRYPT_NEXT_##s] = n,
+ foreach_esp_encrypt_next
+#undef _
+ },
+};
+/* *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 */ );
+}
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (esp_encrypt_node) = {
- .function = esp_encrypt_node_fn,
- .name = "esp-encrypt",
+VLIB_REGISTER_NODE (esp6_encrypt_node) = {
+ .name = "esp6-encrypt",
.vector_size = sizeof (u32),
.format_trace = format_esp_encrypt_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (esp_encrypt_node, esp_encrypt_node_fn)
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff