#include <vnet/udp/udp.h>
#include <dpdk/buffer.h>
#include <dpdk/ipsec/ipsec.h>
+#include <vnet/ipsec/ipsec_tun.h>
#include <dpdk/device/dpdk.h>
#include <dpdk/device/dpdk_priv.h>
extern vlib_node_registration_t dpdk_esp4_encrypt_node;
extern vlib_node_registration_t dpdk_esp6_encrypt_node;
+extern vlib_node_registration_t dpdk_esp4_encrypt_tun_node;
+extern vlib_node_registration_t dpdk_esp6_encrypt_tun_node;
typedef struct
{
always_inline uword
dpdk_esp_encrypt_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
- vlib_frame_t * from_frame, int is_ip6)
+ vlib_frame_t * from_frame, int is_ip6, int is_tun)
{
u32 n_left_from, *from, *to_next, next_index, thread_index;
ipsec_main_t *im = &ipsec_main;
+ vnet_main_t *vnm = im->vnet_main;
+ vnet_interface_main_t *vim = &vnm->interface_main;
u32 thread_idx = vlib_get_thread_index ();
dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
crypto_resource_t *res = 0;
while (n_left_from > 0 && n_left_to_next > 0)
{
clib_error_t *error;
- u32 bi0;
- vlib_buffer_t *b0 = 0;
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
u32 sa_index0;
ip4_and_esp_header_t *ih0, *oh0 = 0;
ip6_and_esp_header_t *ih6_0, *oh6_0 = 0;
u8 trunc_size;
u16 rewrite_len;
u16 udp_encap_adv = 0;
- struct rte_mbuf *mb0 = 0;
+ struct rte_mbuf *mb0;
struct rte_crypto_op *op;
u16 res_idx;
/* mb0 */
CLIB_PREFETCH (mb0, CLIB_CACHE_LINE_BYTES, STORE);
+ if (n_left_from > 1)
+ {
+ bi1 = from[1];
+ b1 = vlib_get_buffer (vm, bi1);
+
+ CLIB_PREFETCH (b1, CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (b1->data - CLIB_CACHE_LINE_BYTES,
+ CLIB_CACHE_LINE_BYTES, STORE);
+ }
+
op = ops[0];
ops += 1;
ASSERT (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED);
dpdk_op_priv_t *priv = crypto_op_get_priv (op);
/* store bi in op private */
priv->bi = bi0;
+ priv->encrypt = 1;
u16 op_len =
sizeof (op[0]) + sizeof (op[0].sym[0]) + sizeof (priv[0]);
CLIB_PREFETCH (op, op_len, STORE);
- sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
+ if (is_tun)
+ {
+ /* we are on a ipsec tunnel's feature arc */
+ vnet_buffer (b0)->ipsec.sad_index =
+ sa_index0 = ipsec_tun_protect_get_sa_out
+ (vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ }
+ else
+ sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
if (sa_index0 != last_sa_index)
{
if (PREDICT_FALSE (esp_seq_advance (sa0)))
{
- clib_warning ("sequence number counter has cycled SPI %u",
- sa0->spi);
+ clib_warning
+ ("sequence number counter has cycled SPI %u (0x%08x)",
+ sa0->spi, sa0->spi);
if (is_ip6)
vlib_node_increment_counter (vm,
dpdk_esp6_encrypt_node.index,
(&ipsec_sa_counters, thread_index, sa_index0,
1, b0->current_length);
+ /* Update tunnel interface tx counters */
+ if (is_tun)
+ vlib_increment_combined_counter
+ (vim->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX,
+ thread_index, vnet_buffer (b0)->sw_if_index[VLIB_TX],
+ 1, b0->current_length);
+
res->ops[res->n_ops] = op;
res->bi[res->n_ops] = bi0;
res->n_ops += 1;
if (ipsec_sa_is_set_IS_TUNNEL (sa0))
{
rewrite_len = 0;
- if (!is_ip6 && !ipsec_sa_is_set_IS_TUNNEL_V6 (sa0)) /* ip4inip4 */
+ if (!ipsec_sa_is_set_IS_TUNNEL_V6 (sa0)) /* ip4 */
{
/* in tunnel mode send it back to FIB */
priv->next = DPDK_CRYPTO_INPUT_NEXT_IP4_LOOKUP;
vlib_buffer_advance (b0, -adv);
oh0 = vlib_buffer_get_current (b0);
ouh0 = vlib_buffer_get_current (b0);
- next_hdr_type = IP_PROTOCOL_IP_IN_IP;
+ next_hdr_type = (is_ip6 ?
+ IP_PROTOCOL_IPV6 : IP_PROTOCOL_IP_IN_IP);
/*
* oh0->ip4.ip_version_and_header_length = 0x45;
* oh0->ip4.tos = ih0->ip4.tos;
esp0->spi = clib_host_to_net_u32 (sa0->spi);
esp0->seq = clib_host_to_net_u32 (sa0->seq);
}
- else if (is_ip6 && ipsec_sa_is_set_IS_TUNNEL_V6 (sa0))
+ else
{
- /* ip6inip6 */
+ /* ip6 */
/* in tunnel mode send it back to FIB */
priv->next = DPDK_CRYPTO_INPUT_NEXT_IP6_LOOKUP;
ih6_0 = (ip6_and_esp_header_t *) ih0;
oh6_0 = vlib_buffer_get_current (b0);
- next_hdr_type = IP_PROTOCOL_IPV6;
+ next_hdr_type = (is_ip6 ?
+ IP_PROTOCOL_IPV6 : IP_PROTOCOL_IP_IN_IP);
oh6_0->ip6.ip_version_traffic_class_and_flow_label =
ih6_0->ip6.ip_version_traffic_class_and_flow_label;
oh6_0->esp.spi = clib_host_to_net_u32 (sa0->spi);
oh6_0->esp.seq = clib_host_to_net_u32 (sa0->seq);
}
- else /* unsupported ip4inip6, ip6inip4 */
- {
- if (is_ip6)
- vlib_node_increment_counter (vm,
- dpdk_esp6_encrypt_node.index,
- ESP_ENCRYPT_ERROR_NOSUP, 1);
- else
- vlib_node_increment_counter (vm,
- dpdk_esp4_encrypt_node.index,
- ESP_ENCRYPT_ERROR_NOSUP, 1);
- to_next[0] = bi0;
- to_next += 1;
- n_left_to_next -= 1;
- goto trace;
- }
+
vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
}
else /* transport mode */
{
- priv->next = DPDK_CRYPTO_INPUT_NEXT_INTERFACE_OUTPUT;
- rewrite_len = vnet_buffer (b0)->ip.save_rewrite_length;
+ if (is_tun)
+ {
+ rewrite_len = 0;
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_MIDCHAIN;
+ }
+ else
+ {
+ priv->next = DPDK_CRYPTO_INPUT_NEXT_INTERFACE_OUTPUT;
+ rewrite_len = vnet_buffer (b0)->ip.save_rewrite_length;
+ }
u16 adv = sizeof (esp_header_t) + iv_size + udp_encap_adv;
vlib_buffer_advance (b0, -adv - rewrite_len);
u8 *src = ((u8 *) ih0) - rewrite_len;
f0->pad_length = pad_bytes;
f0->next_header = next_hdr_type;
- if (is_ip6)
+ if (oh6_0)
{
u16 len = b0->current_length - sizeof (ip6_header_t);
oh6_0->ip6.payload_length =
clib_host_to_net_u16 (len - rewrite_len);
}
- else
+ else if (oh0)
{
oh0->ip4.length =
clib_host_to_net_u16 (b0->current_length - rewrite_len);
ip4_header_bytes (&ouh0->ip4));
}
}
+ else /* should never happen */
+ clib_warning ("No outer header found for ESP packet");
b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
u64 digest_paddr =
mb0->buf_physaddr + digest - ((u8 *) mb0->buf_addr);
- if (!is_aead && cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC)
+ if (!is_aead && (cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC ||
+ cipher_alg->alg == RTE_CRYPTO_CIPHER_NULL))
{
cipher_off = sizeof (esp_header_t);
cipher_len = iv_size + pad_payload_len;
if (is_aead)
{
aad = (u32 *) priv->aad;
- aad[0] = clib_host_to_net_u32 (sa0->spi);
- aad[1] = clib_host_to_net_u32 (sa0->seq);
+ aad[0] = esp0->spi;
/* aad[3] should always be 0 */
- if (PREDICT_FALSE (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa0)))
- aad[2] = clib_host_to_net_u32 (sa0->seq_hi);
+ if (PREDICT_FALSE (ipsec_sa_is_set_USE_ESN (sa0)))
+ {
+ aad[1] = clib_host_to_net_u32 (sa0->seq_hi);
+ aad[2] = esp0->seq;
+ }
else
- aad[2] = 0;
+ {
+ aad[1] = esp0->seq;
+ aad[2] = 0;
+ }
}
else
{
auth_len =
vlib_buffer_get_tail (b0) - ((u8 *) esp0) - trunc_size;
- if (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa0))
+ if (ipsec_sa_is_set_USE_ESN (sa0))
{
u32 *_digest = (u32 *) digest;
_digest[0] = clib_host_to_net_u32 (sa0->seq_hi);
}
if (is_ip6)
{
- vlib_node_increment_counter (vm, dpdk_esp6_encrypt_node.index,
+ vlib_node_increment_counter (vm,
+ (is_tun ?
+ dpdk_esp6_encrypt_tun_node.index :
+ dpdk_esp6_encrypt_node.index),
ESP_ENCRYPT_ERROR_RX_PKTS,
from_frame->n_vectors);
crypto_enqueue_ops (vm, cwm, dpdk_esp6_encrypt_node.index,
- ESP_ENCRYPT_ERROR_ENQ_FAIL, numa);
+ ESP_ENCRYPT_ERROR_ENQ_FAIL, numa, 1 /* encrypt */ );
}
else
{
- vlib_node_increment_counter (vm, dpdk_esp4_encrypt_node.index,
+ vlib_node_increment_counter (vm,
+ (is_tun ?
+ dpdk_esp4_encrypt_tun_node.index :
+ dpdk_esp4_encrypt_node.index),
ESP_ENCRYPT_ERROR_RX_PKTS,
from_frame->n_vectors);
crypto_enqueue_ops (vm, cwm, dpdk_esp4_encrypt_node.index,
- ESP_ENCRYPT_ERROR_ENQ_FAIL, numa);
+ ESP_ENCRYPT_ERROR_ENQ_FAIL, numa, 1 /* encrypt */ );
}
crypto_free_ops (numa, ops, cwm->ops + from_frame->n_vectors - ops);
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
- return dpdk_esp_encrypt_inline (vm, node, from_frame, 0 /*is_ip6 */ );
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 0 /*is_ip6 */ , 0);
}
/* *INDENT-OFF* */
vlib_node_runtime_t * node,
vlib_frame_t * from_frame)
{
- return dpdk_esp_encrypt_inline (vm, node, from_frame, 1 /*is_ip6 */ );
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 1 /*is_ip6 */ , 0);
}
/* *INDENT-OFF* */
};
/* *INDENT-ON* */
+VLIB_NODE_FN (dpdk_esp4_encrypt_tun_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 0 /*is_ip6 */ , 1);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp4_encrypt_tun_node) = {
+ .name = "dpdk-esp4-encrypt-tun",
+ .flags = VLIB_NODE_FLAG_IS_OUTPUT,
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_encrypt_trace,
+ .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+ .n_next_nodes = 1,
+ .next_nodes =
+ {
+ [ESP_ENCRYPT_NEXT_DROP] = "error-drop",
+ }
+};
+
+VNET_FEATURE_INIT (dpdk_esp4_encrypt_tun_feat_node, static) =
+{
+ .arc_name = "ip4-output",
+ .node_name = "dpdk-esp4-encrypt-tun",
+ .runs_before = VNET_FEATURES ("adj-midchain-tx"),
+};
+/* *INDENT-ON* */
+
+VLIB_NODE_FN (dpdk_esp6_encrypt_tun_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ return dpdk_esp_encrypt_inline (vm, node, from_frame, 1 /*is_ip6 */ , 1);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp6_encrypt_tun_node) = {
+ .name = "dpdk-esp6-encrypt-tun",
+ .flags = VLIB_NODE_FLAG_IS_OUTPUT,
+ .vector_size = sizeof (u32),
+ .format_trace = format_esp_encrypt_trace,
+ .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
+ .error_strings = esp_encrypt_error_strings,
+ .n_next_nodes = 1,
+ .next_nodes =
+ {
+ [ESP_ENCRYPT_NEXT_DROP] = "error-drop",
+ }
+};
+
+VNET_FEATURE_INIT (dpdk_esp6_encrypt_tun_feat_node, static) =
+{
+ .arc_name = "ip6-output",
+ .node_name = "dpdk-esp6-encrypt-tun",
+ .runs_before = VNET_FEATURES ("adj-midchain-tx"),
+};
+/* *INDENT-ON* */
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff