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path: root/src/plugins/dpdk/ipsec/esp_decrypt.c
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Diffstat (limited to 'src/plugins/dpdk/ipsec/esp_decrypt.c')
-rw-r--r--src/plugins/dpdk/ipsec/esp_decrypt.c368
1 files changed, 200 insertions, 168 deletions
diff --git a/src/plugins/dpdk/ipsec/esp_decrypt.c b/src/plugins/dpdk/ipsec/esp_decrypt.c
index 1ed35188e18..dff22439ce4 100644
--- a/src/plugins/dpdk/ipsec/esp_decrypt.c
+++ b/src/plugins/dpdk/ipsec/esp_decrypt.c
@@ -31,10 +31,11 @@ _(IP4_INPUT, "ip4-input-no-checksum") \
_(IP6_INPUT, "ip6-input")
#define _(v, s) ESP_DECRYPT_NEXT_##v,
-typedef enum {
+typedef enum
+{
foreach_esp_decrypt_next
#undef _
- ESP_DECRYPT_N_NEXT,
+ ESP_DECRYPT_N_NEXT,
} esp_decrypt_next_t;
#define foreach_esp_decrypt_error \
@@ -49,14 +50,15 @@ typedef enum {
_(NOSUP, "Cipher/Auth not supported")
-typedef enum {
+typedef enum
+{
#define _(sym,str) ESP_DECRYPT_ERROR_##sym,
foreach_esp_decrypt_error
#undef _
- ESP_DECRYPT_N_ERROR,
+ ESP_DECRYPT_N_ERROR,
} esp_decrypt_error_t;
-static char * esp_decrypt_error_strings[] = {
+static char *esp_decrypt_error_strings[] = {
#define _(sym,string) string,
foreach_esp_decrypt_error
#undef _
@@ -65,38 +67,38 @@ static char * esp_decrypt_error_strings[] = {
extern vlib_node_registration_t dpdk_esp4_decrypt_node;
extern vlib_node_registration_t dpdk_esp6_decrypt_node;
-typedef struct {
+typedef struct
+{
ipsec_crypto_alg_t crypto_alg;
ipsec_integ_alg_t integ_alg;
u8 packet_data[64];
} esp_decrypt_trace_t;
/* packet trace format function */
-static u8 * format_esp_decrypt_trace (u8 * s, va_list * args)
+static u8 *
+format_esp_decrypt_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 *);
+ esp_decrypt_trace_t *t = va_arg (*args, esp_decrypt_trace_t *);
u32 indent = format_get_indent (s);
s = format (s, "cipher %U auth %U\n",
format_ipsec_crypto_alg, t->crypto_alg,
format_ipsec_integ_alg, t->integ_alg);
s = format (s, "%U%U",
- format_white_space, indent,
- format_esp_header, t->packet_data);
+ format_white_space, indent, format_esp_header, t->packet_data);
return s;
}
always_inline uword
dpdk_esp_decrypt_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame,
- int is_ip6)
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, int is_ip6)
{
u32 n_left_from, *from, *to_next, next_index;
ipsec_main_t *im = &ipsec_main;
- u32 thread_idx = vlib_get_thread_index();
+ u32 thread_idx = vlib_get_thread_index ();
dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
crypto_resource_t *res = 0;
ipsec_sa_t *sa0 = 0;
@@ -115,12 +117,12 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
ret = crypto_alloc_ops (numa, ops, n_left_from);
if (ret)
{
- if(is_ip6)
+ if (is_ip6)
vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_DISCARD, 1);
+ ESP_DECRYPT_ERROR_DISCARD, 1);
else
vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
- ESP_DECRYPT_ERROR_DISCARD, 1);
+ ESP_DECRYPT_ERROR_DISCARD, 1);
/* Discard whole frame */
return n_left_from;
}
@@ -149,7 +151,7 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
n_left_from -= 1;
b0 = vlib_get_buffer (vm, bi0);
- mb0 = rte_mbuf_from_vlib_buffer(b0);
+ mb0 = rte_mbuf_from_vlib_buffer (b0);
esp0 = vlib_buffer_get_current (b0);
/* ih0/ih6_0 */
@@ -167,13 +169,14 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
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;
+ sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
if (sa_index0 != last_sa_index)
{
sa0 = pool_elt_at_index (im->sad, sa_index0);
- cipher_alg = vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg);
+ cipher_alg =
+ vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg);
auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg);
is_aead = (cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD);
@@ -182,15 +185,18 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
res_idx = get_resource (cwm, sa0);
- if (PREDICT_FALSE (res_idx == (u16) ~0))
+ if (PREDICT_FALSE (res_idx == (u16) ~ 0))
{
- clib_warning ("unsupported SA by thread index %u", thread_idx);
- if(is_ip6)
- vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_NOSUP, 1);
+ clib_warning ("unsupported SA by thread index %u",
+ thread_idx);
+ 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);
+ vlib_node_increment_counter (vm,
+ dpdk_esp4_decrypt_node.index,
+ ESP_DECRYPT_ERROR_NOSUP, 1);
to_next[0] = bi0;
to_next += 1;
n_left_to_next -= 1;
@@ -202,12 +208,16 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
if (PREDICT_FALSE (error || !session))
{
clib_warning ("failed to get crypto session");
- if(is_ip6)
- vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_SESSION, 1);
+ 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);
+ 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;
@@ -224,7 +234,7 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
seq = clib_net_to_host_u32 (esp0->seq);
- if (PREDICT_TRUE(sa0->use_esn))
+ if (PREDICT_TRUE (sa0->use_esn))
rv = esp_replay_check_esn (sa0, seq);
else
rv = esp_replay_check (sa0, seq);
@@ -232,12 +242,14 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
if (PREDICT_FALSE (rv))
{
clib_warning ("failed anti-replay check");
- if(is_ip6)
- vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_REPLAY, 1);
+ 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);
+ vlib_node_increment_counter (vm,
+ dpdk_esp4_decrypt_node.index,
+ ESP_DECRYPT_ERROR_REPLAY, 1);
to_next[0] = bi0;
to_next += 1;
n_left_to_next -= 1;
@@ -245,7 +257,7 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
}
}
- if(is_ip6)
+ if (is_ip6)
priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT6_POST;
else
priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT4_POST;
@@ -275,12 +287,12 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
{
clib_warning ("payload %u not multiple of %d\n",
payload_len, cipher_alg->boundary);
- if(is_ip6)
+ if (is_ip6)
vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_BAD_LEN, 1);
+ ESP_DECRYPT_ERROR_BAD_LEN, 1);
else
vlib_node_increment_counter (vm, dpdk_esp4_decrypt_node.index,
- ESP_DECRYPT_ERROR_BAD_LEN, 1);
+ ESP_DECRYPT_ERROR_BAD_LEN, 1);
res->n_ops -= 1;
to_next[0] = bi0;
to_next += 1;
@@ -292,86 +304,88 @@ dpdk_esp_decrypt_inline (vlib_main_t * vm,
u32 auth_len = 0;
u8 *aad = NULL;
- u8 *iv = (u8 *) (esp0 + 1);
+ u8 *iv = (u8 *) (esp0 + 1);
- dpdk_gcm_cnt_blk *icb = &priv->cb;
+ dpdk_gcm_cnt_blk *icb = &priv->cb;
cipher_off = sizeof (esp_header_t) + iv_size;
cipher_len = payload_len;
- u8 *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 (!is_aead && cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC)
- clib_memcpy_fast(icb, iv, 16);
- else /* CTR/GCM */
+ clib_memcpy_fast (icb, iv, 16);
+ else /* CTR/GCM */
{
u32 *_iv = (u32 *) iv;
crypto_set_icb (icb, sa0->salt, _iv[0], _iv[1]);
}
- if (is_aead)
- {
- aad = priv->aad;
- u32 * _aad = (u32 *) aad;
- clib_memcpy_fast (aad, esp0, 8);
+ if (is_aead)
+ {
+ aad = priv->aad;
+ u32 *_aad = (u32 *) aad;
+ clib_memcpy_fast (aad, esp0, 8);
/* _aad[3] should always be 0 */
- if (PREDICT_FALSE (sa0->use_esn))
+ if (PREDICT_FALSE (sa0->use_esn))
_aad[2] = clib_host_to_net_u32 (sa0->seq_hi);
else
_aad[2] = 0;
- }
- else
- {
- auth_len = sizeof(esp_header_t) + iv_size + payload_len;
-
- if (sa0->use_esn)
- {
- clib_memcpy_fast (priv->icv, digest, trunc_size);
+ }
+ else
+ {
+ auth_len = sizeof (esp_header_t) + iv_size + payload_len;
+
+ if (sa0->use_esn)
+ {
+ 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[0] = clib_host_to_net_u32 (sa0->seq_hi);
+ auth_len += sizeof (sa0->seq_hi);
- digest = priv->icv;
+ digest = priv->icv;
digest_paddr =
op->phys_addr + (uintptr_t) priv->icv - (uintptr_t) op;
- }
- }
+ }
+ }
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))
+ trace:
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- esp_decrypt_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
+ 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_fast (tr->packet_data, vlib_buffer_get_current (b0),
- sizeof (esp_header_t));
+ sizeof (esp_header_t));
}
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- if(is_ip6){
- vlib_node_increment_counter (vm, dpdk_esp6_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_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_ENQ_FAIL, numa);
- }
+ 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);
+ 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_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);
@@ -379,11 +393,11 @@ trace:
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)
+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*/);
+ return dpdk_esp_decrypt_inline (vm, node, from_frame, 0 /*is_ip6 */ );
}
/* *INDENT-OFF* */
@@ -405,11 +419,11 @@ VLIB_REGISTER_NODE (dpdk_esp4_decrypt_node) = {
};
/* *INDENT-ON* */
-VLIB_NODE_FN(dpdk_esp6_decrypt_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+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*/);
+ return dpdk_esp_decrypt_inline (vm, node, from_frame, 1 /*is_ip6 */ );
}
/* *INDENT-OFF* */
@@ -438,14 +452,15 @@ VLIB_REGISTER_NODE (dpdk_esp6_decrypt_node) = {
#define foreach_esp_decrypt_post_error \
_(PKTS, "ESP post pkts")
-typedef enum {
+typedef enum
+{
#define _(sym,str) ESP_DECRYPT_POST_ERROR_##sym,
foreach_esp_decrypt_post_error
#undef _
- ESP_DECRYPT_POST_N_ERROR,
+ ESP_DECRYPT_POST_N_ERROR,
} esp_decrypt_post_error_t;
-static char * esp_decrypt_post_error_strings[] = {
+static char *esp_decrypt_post_error_strings[] = {
#define _(sym,string) string,
foreach_esp_decrypt_post_error
#undef _
@@ -454,11 +469,12 @@ static char * esp_decrypt_post_error_strings[] = {
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)
+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 *);
+ esp_decrypt_trace_t *t = va_arg (*args, esp_decrypt_trace_t *);
u32 indent = format_get_indent (s);
s = format (s, "cipher %U auth %U\n",
@@ -467,21 +483,22 @@ static u8 * format_esp_decrypt_post_trace (u8 * s, va_list * args)
ip4_header_t *ih4 = (ip4_header_t *) t->packet_data;
if ((ih4->ip_version_and_header_length & 0xF0) == 0x60)
- s = format (s, "%U%U", format_white_space, indent, format_ip6_header, ih4);
+ s =
+ format (s, "%U%U", format_white_space, indent, format_ip6_header, ih4);
else
- s = format (s, "%U%U", format_white_space, indent, format_ip4_header, ih4);
+ s =
+ format (s, "%U%U", format_white_space, indent, format_ip4_header, ih4);
return s;
}
always_inline uword
dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame,
- int is_ip6)
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame, int is_ip6)
{
u32 n_left_from, *from, *to_next = 0, next_index;
- ipsec_sa_t * sa0;
+ ipsec_sa_t *sa0;
u32 sa_index0 = ~0;
ipsec_main_t *im = &ipsec_main;
dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
@@ -499,9 +516,9 @@ dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
while (n_left_from > 0 && n_left_to_next > 0)
{
- esp_footer_t * f0;
+ esp_footer_t *f0;
u32 bi0, iv_size, next0;
- vlib_buffer_t * b0 = 0;
+ vlib_buffer_t *b0 = 0;
ip4_header_t *ih4 = 0, *oh4 = 0;
ip6_header_t *ih6 = 0, *oh6 = 0;
crypto_alg_t *cipher_alg, *auth_alg;
@@ -519,7 +536,7 @@ dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
b0 = vlib_get_buffer (vm, bi0);
esp0 = vlib_buffer_get_current (b0);
- sa_index0 = vnet_buffer(b0)->ipsec.sad_index;
+ sa_index0 = vnet_buffer (b0)->ipsec.sad_index;
sa0 = pool_elt_at_index (im->sad, sa_index0);
to_next[0] = bi0;
@@ -538,25 +555,24 @@ dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
if (sa0->use_anti_replay)
{
u32 seq;
- seq = clib_host_to_net_u32(esp0->seq);
- if (PREDICT_TRUE(sa0->use_esn))
- esp_replay_advance_esn(sa0, seq);
+ seq = clib_host_to_net_u32 (esp0->seq);
+ if (PREDICT_TRUE (sa0->use_esn))
+ esp_replay_advance_esn (sa0, seq);
else
- esp_replay_advance(sa0, seq);
+ esp_replay_advance (sa0, seq);
}
/* 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));
+ 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);
@@ -568,7 +584,7 @@ dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
const u8 *padding = vlib_buffer_get_tail (b0);
if (PREDICT_FALSE (memcmp (padding, pad_data, f0->pad_length)))
{
- clib_warning("bad padding");
+ clib_warning ("bad padding");
vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
1);
@@ -579,44 +595,47 @@ dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
{
if (f0->next_header == IP_PROTOCOL_IP_IN_IP)
next0 = ESP_DECRYPT_NEXT_IP4_INPUT;
- else if (sa0->is_tunnel_ip6 && f0->next_header == IP_PROTOCOL_IPV6)
+ else if (sa0->is_tunnel_ip6
+ && f0->next_header == IP_PROTOCOL_IPV6)
next0 = ESP_DECRYPT_NEXT_IP6_INPUT;
else
{
- clib_warning("next header: 0x%x", f0->next_header);
- if(is_ip6)
- vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
- 1);
+ clib_warning ("next header: 0x%x", f0->next_header);
+ 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);
+ vlib_node_increment_counter (vm,
+ dpdk_esp4_decrypt_node.index,
+ ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
+ 1);
goto trace;
}
}
- else /* transport mode */
+ else /* transport mode */
{
if ((ih4->ip_version_and_header_length & 0xF0) == 0x40)
{
- 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);
- }
+ 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)
{
ih6 = (ip6_header_t *) ih4;
- vlib_buffer_advance (b0, -sizeof(ip6_header_t));
+ vlib_buffer_advance (b0, -sizeof (ip6_header_t));
oh6 = vlib_buffer_get_current (b0);
- memmove(oh6, ih6, sizeof(ip6_header_t));
+ memmove (oh6, ih6, sizeof (ip6_header_t));
next0 = ESP_DECRYPT_NEXT_IP6_INPUT;
oh6->protocol = f0->next_header;
@@ -625,25 +644,28 @@ dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
}
else
{
- clib_warning("next header: 0x%x", f0->next_header);
- if(is_ip6)
- vlib_node_increment_counter (vm, dpdk_esp6_decrypt_node.index,
- ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
- 1);
+ clib_warning ("next header: 0x%x", f0->next_header);
+ 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);
+ vlib_node_increment_counter (vm,
+ dpdk_esp4_decrypt_node.index,
+ ESP_DECRYPT_ERROR_DECRYPTION_FAILED,
+ 1);
goto trace;
}
}
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32)~0;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
trace:
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
- esp_decrypt_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
+ 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;
ih4 = vlib_buffer_get_current (b0);
@@ -651,27 +673,30 @@ dpdk_esp_decrypt_post_inline (vlib_main_t * vm,
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next, bi0, next0);
+ to_next, n_left_to_next, bi0,
+ next0);
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- if(is_ip6)
+ if (is_ip6)
vlib_node_increment_counter (vm, dpdk_esp6_decrypt_post_node.index,
- ESP_DECRYPT_POST_ERROR_PKTS,
- from_frame->n_vectors);
+ 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);
+ 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*/);}
+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) = {
@@ -692,11 +717,11 @@ VLIB_REGISTER_NODE (dpdk_esp4_decrypt_post_node) = {
};
/* *INDENT-ON* */
-VLIB_NODE_FN(dpdk_esp6_decrypt_post_node) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+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*/);
+ return dpdk_esp_decrypt_post_inline (vm, node, from_frame, 0 /*is_ip6 */ );
}
/* *INDENT-OFF* */
@@ -718,3 +743,10 @@ VLIB_REGISTER_NODE (dpdk_esp6_decrypt_post_node) = {
};
/* *INDENT-ON* */
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */