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-rw-r--r--src/vnet/CMakeLists.txt3
-rw-r--r--src/vnet/ipsec/ipsec_if.c10
-rw-r--r--src/vnet/ipsec/ipsec_if_in.c2
-rw-r--r--src/vnet/ipsec/ipsec_input.c55
-rw-r--r--src/vnet/ipsec/ipsec_io.h12
5 files changed, 55 insertions, 27 deletions
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index 8a5dd2f09ab..3ed6903b6b2 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -501,6 +501,9 @@ list(APPEND VNET_MULTIARCH_SOURCES
ipsec/esp_decrypt.c
ipsec/ah_decrypt.c
ipsec/ah_encrypt.c
+ ipsec/ipsec_if_in.c
+ ipsec/ipsec_output.c
+ ipsec/ipsec_input.c
)
list(APPEND VNET_API_FILES ipsec/ipsec.api)
diff --git a/src/vnet/ipsec/ipsec_if.c b/src/vnet/ipsec/ipsec_if.c
index 357d638d38b..519b6135b1b 100644
--- a/src/vnet/ipsec/ipsec_if.c
+++ b/src/vnet/ipsec/ipsec_if.c
@@ -109,7 +109,9 @@ ipsec_if_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
hi0 = vnet_get_sup_hw_interface (vnm, sw_if_index0);
t0 = pool_elt_at_index (im->tunnel_interfaces, hi0->dev_instance);
vnet_buffer (b0)->ipsec.sad_index = t0->output_sa_index;
- next0 = IPSEC_OUTPUT_NEXT_ESP4_ENCRYPT;
+
+ /* 0, tx-node next[0] was added by vlib_node_add_next_with_slot */
+ next0 = 0;
len0 = vlib_buffer_length_in_chain (vm, b0);
@@ -362,12 +364,12 @@ ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
t - im->tunnel_interfaces);
hi = vnet_get_hw_interface (vnm, hw_if_index);
+ /* add esp4 as the next-node-index of this tx-node */
slot = vlib_node_add_next_with_slot
- (vnm->vlib_main, hi->tx_node_index, im->esp4_encrypt_node_index,
- IPSEC_OUTPUT_NEXT_ESP4_ENCRYPT);
+ (vnm->vlib_main, hi->tx_node_index, im->esp4_encrypt_node_index, 0);
- ASSERT (slot == IPSEC_OUTPUT_NEXT_ESP4_ENCRYPT);
+ ASSERT (slot == 0);
t->hw_if_index = hw_if_index;
diff --git a/src/vnet/ipsec/ipsec_if_in.c b/src/vnet/ipsec/ipsec_if_in.c
index 833f8485340..5834e3e6ad5 100644
--- a/src/vnet/ipsec/ipsec_if_in.c
+++ b/src/vnet/ipsec/ipsec_if_in.c
@@ -49,7 +49,7 @@ typedef struct
u32 seq;
} ipsec_if_input_trace_t;
-u8 *
+static u8 *
format_ipsec_if_input_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
diff --git a/src/vnet/ipsec/ipsec_input.c b/src/vnet/ipsec/ipsec_input.c
index e3fd4aa551d..193b03ff0ae 100644
--- a/src/vnet/ipsec/ipsec_input.c
+++ b/src/vnet/ipsec/ipsec_input.c
@@ -24,9 +24,9 @@
#include <vnet/ipsec/esp.h>
#include <vnet/ipsec/ah.h>
-#define foreach_ipsec_input_error \
- _(RX_PKTS, "IPSEC pkts received") \
- _(DECRYPTION_FAILED, "IPSEC decryption failed")
+#define foreach_ipsec_input_error \
+_(RX_PKTS, "IPSEC pkts received") \
+_(RX_MATCH_PKTS, "IPSEC pkts matched")
typedef enum
{
@@ -169,6 +169,8 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
{
u32 n_left_from, *from, next_index, *to_next, thread_index;
ipsec_main_t *im = &ipsec_main;
+ u32 ipsec_unprocessed = 0;
+ u32 ipsec_matched = 0;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
@@ -241,6 +243,8 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
if (PREDICT_TRUE (p0 != NULL))
{
+ ipsec_matched += 1;
+
pi0 = p0 - im->policies;
vlib_increment_combined_counter
(&ipsec_spd_policy_counters,
@@ -275,8 +279,7 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
tr->policy_index = pi0;
}
}
-
- if (PREDICT_TRUE (ip0->protocol == IP_PROTOCOL_IPSEC_AH))
+ else if (ip0->protocol == IP_PROTOCOL_IPSEC_AH)
{
ah0 = (ah_header_t *) ((u8 *) ip0 + ip4_header_bytes (ip0));
p0 = ipsec_input_protect_policy_match (spd0,
@@ -291,11 +294,14 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
if (PREDICT_TRUE (p0 != 0))
{
+ ipsec_matched += 1;
+
pi0 = p0 - im->policies;
vlib_increment_combined_counter
(&ipsec_spd_policy_counters,
thread_index, pi0, 1,
clib_net_to_host_u16 (ip0->length));
+
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
vnet_buffer (b0)->ipsec.flags = 0;
next0 = im->ah4_decrypt_next_index;
@@ -322,6 +328,10 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
tr->policy_index = pi0;
}
}
+ else
+ {
+ ipsec_unprocessed += 1;
+ }
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next, bi0,
@@ -329,10 +339,14 @@ VLIB_NODE_FN (ipsec4_input_node) (vlib_main_t * vm,
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
+
vlib_node_increment_counter (vm, ipsec4_input_node.index,
IPSEC_INPUT_ERROR_RX_PKTS,
- from_frame->n_vectors);
+ from_frame->n_vectors - ipsec_unprocessed);
+ vlib_node_increment_counter (vm, ipsec4_input_node.index,
+ IPSEC_INPUT_ERROR_RX_MATCH_PKTS,
+ ipsec_matched);
return from_frame->n_vectors;
}
@@ -343,10 +357,8 @@ VLIB_REGISTER_NODE (ipsec4_input_node,static) = {
.vector_size = sizeof (u32),
.format_trace = format_ipsec_input_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
.n_errors = ARRAY_LEN(ipsec_input_error_strings),
.error_strings = ipsec_input_error_strings,
-
.n_next_nodes = IPSEC_INPUT_N_NEXT,
.next_nodes = {
#define _(s,n) [IPSEC_INPUT_NEXT_##s] = n,
@@ -365,6 +377,8 @@ VLIB_NODE_FN (ipsec6_input_node) (vlib_main_t * vm,
{
u32 n_left_from, *from, next_index, *to_next, thread_index;
ipsec_main_t *im = &ipsec_main;
+ u32 ipsec_unprocessed = 0;
+ u32 ipsec_matched = 0;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
@@ -425,12 +439,15 @@ VLIB_NODE_FN (ipsec6_input_node) (vlib_main_t * vm,
if (PREDICT_TRUE (p0 != 0))
{
+ ipsec_matched += 1;
+
pi0 = p0 - im->policies;
vlib_increment_combined_counter
(&ipsec_spd_policy_counters,
thread_index, pi0, 1,
clib_net_to_host_u16 (ip0->payload_length) +
header_size);
+
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
vnet_buffer (b0)->ipsec.flags = 0;
next0 = im->esp6_decrypt_next_index;
@@ -452,12 +469,14 @@ VLIB_NODE_FN (ipsec6_input_node) (vlib_main_t * vm,
if (PREDICT_TRUE (p0 != 0))
{
+ ipsec_matched += 1;
pi0 = p0 - im->policies;
vlib_increment_combined_counter
(&ipsec_spd_policy_counters,
thread_index, pi0, 1,
clib_net_to_host_u16 (ip0->payload_length) +
header_size);
+
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
vnet_buffer (b0)->ipsec.flags = 0;
next0 = im->ah6_decrypt_next_index;
@@ -468,6 +487,10 @@ VLIB_NODE_FN (ipsec6_input_node) (vlib_main_t * vm,
pi0 = ~0;
}
}
+ else
+ {
+ ipsec_unprocessed += 1;
+ }
trace0:
if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
@@ -489,9 +512,14 @@ VLIB_NODE_FN (ipsec6_input_node) (vlib_main_t * vm,
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
+
vlib_node_increment_counter (vm, ipsec6_input_node.index,
IPSEC_INPUT_ERROR_RX_PKTS,
- from_frame->n_vectors);
+ from_frame->n_vectors - ipsec_unprocessed);
+
+ vlib_node_increment_counter (vm, ipsec6_input_node.index,
+ IPSEC_INPUT_ERROR_RX_MATCH_PKTS,
+ ipsec_matched);
return from_frame->n_vectors;
}
@@ -503,11 +531,14 @@ VLIB_REGISTER_NODE (ipsec6_input_node,static) = {
.vector_size = sizeof (u32),
.format_trace = format_ipsec_input_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
.n_errors = ARRAY_LEN(ipsec_input_error_strings),
.error_strings = ipsec_input_error_strings,
-
- .sibling_of = "ipsec4-input-feature",
+ .n_next_nodes = IPSEC_INPUT_N_NEXT,
+ .next_nodes = {
+#define _(s,n) [IPSEC_INPUT_NEXT_##s] = n,
+ foreach_ipsec_input_next
+#undef _
+ },
};
/* *INDENT-ON* */
diff --git a/src/vnet/ipsec/ipsec_io.h b/src/vnet/ipsec/ipsec_io.h
index aa6fa8df7c7..c180a784eaa 100644
--- a/src/vnet/ipsec/ipsec_io.h
+++ b/src/vnet/ipsec/ipsec_io.h
@@ -18,11 +18,7 @@
#define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0)
#define foreach_ipsec_output_next \
- _ (DROP, "error-drop") \
- _ (ESP4_ENCRYPT, "esp4-encrypt") \
- _ (AH4_ENCRYPT, "ah4-encrypt") \
- _ (ESP6_ENCRYPT, "esp6-encrypt") \
- _ (AH6_ENCRYPT, "ah6-encrypt")
+ _ (DROP, "error-drop")
#define _(v, s) IPSEC_OUTPUT_NEXT_##v,
typedef enum
@@ -33,11 +29,7 @@ typedef enum
} ipsec_output_next_t;
#define foreach_ipsec_input_next \
- _ (DROP, "error-drop") \
- _ (ESP4_DECRYPT, "esp4-decrypt") \
- _ (AH4_DECRYPT, "ah4-decrypt") \
- _ (ESP6_DECRYPT, "esp6-decrypt") \
- _ (AH6_DECRYPT, "ah6-decrypt")
+ _ (DROP, "error-drop")
#define _(v, s) IPSEC_INPUT_NEXT_##v,
typedef enum