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authorArthur de Kerhor <arthurdekerhor@gmail.com>2022-11-16 19:12:05 +0100
committerBeno�t Ganne <bganne@cisco.com>2023-03-23 08:58:55 +0000
commitad95b06181c354291f4433c5e550cb89c5122252 (patch)
treef40bc5447c51cbe5f4f5fc5ca5a8e54f72297268 /src/vnet/ipsec/esp.h
parentf6ba56296c4034d299784b828a8ac1661adc74da (diff)
ipsec: add per-SA error counters
Error counters are added on a per-node basis. In Ipsec, it is useful to also track the errors that occured per SA. Type: feature Change-Id: Iabcdcb439f67ad3c6c202b36ffc44ab39abac1bc Signed-off-by: Arthur de Kerhor <arthurdekerhor@gmail.com>
Diffstat (limited to 'src/vnet/ipsec/esp.h')
-rw-r--r--src/vnet/ipsec/esp.h90
1 files changed, 77 insertions, 13 deletions
diff --git a/src/vnet/ipsec/esp.h b/src/vnet/ipsec/esp.h
index 8d7e0563a59..05773a2a328 100644
--- a/src/vnet/ipsec/esp.h
+++ b/src/vnet/ipsec/esp.h
@@ -18,6 +18,7 @@
#include <vnet/ip/ip.h>
#include <vnet/crypto/crypto.h>
#include <vnet/ipsec/ipsec.h>
+#include <vnet/ipsec/ipsec.api_enum.h>
typedef struct
{
@@ -141,33 +142,96 @@ esp_aad_fill (u8 *data, const esp_header_t *esp, const ipsec_sa_t *sa,
}
}
-/* Special case to drop or hand off packets for sync/async modes.
- *
- * Different than sync mode, async mode only enqueue drop or hand-off packets
- * to next nodes.
- */
+always_inline u32
+esp_encrypt_err_to_sa_err (u32 err)
+{
+ switch (err)
+ {
+ case ESP_ENCRYPT_ERROR_HANDOFF:
+ return IPSEC_SA_ERROR_HANDOFF;
+ case ESP_ENCRYPT_ERROR_SEQ_CYCLED:
+ return IPSEC_SA_ERROR_SEQ_CYCLED;
+ case ESP_ENCRYPT_ERROR_CRYPTO_ENGINE_ERROR:
+ return IPSEC_SA_ERROR_CRYPTO_ENGINE_ERROR;
+ case ESP_ENCRYPT_ERROR_CRYPTO_QUEUE_FULL:
+ return IPSEC_SA_ERROR_CRYPTO_QUEUE_FULL;
+ case ESP_ENCRYPT_ERROR_NO_BUFFERS:
+ return IPSEC_SA_ERROR_NO_BUFFERS;
+ case ESP_ENCRYPT_ERROR_NO_ENCRYPTION:
+ return IPSEC_SA_ERROR_NO_ENCRYPTION;
+ }
+ return ~0;
+}
+
+always_inline u32
+esp_decrypt_err_to_sa_err (u32 err)
+{
+ switch (err)
+ {
+ case ESP_DECRYPT_ERROR_HANDOFF:
+ return IPSEC_SA_ERROR_HANDOFF;
+ case ESP_DECRYPT_ERROR_DECRYPTION_FAILED:
+ return IPSEC_SA_ERROR_DECRYPTION_FAILED;
+ case ESP_DECRYPT_ERROR_INTEG_ERROR:
+ return IPSEC_SA_ERROR_INTEG_ERROR;
+ case ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR:
+ return IPSEC_SA_ERROR_CRYPTO_ENGINE_ERROR;
+ case ESP_DECRYPT_ERROR_REPLAY:
+ return IPSEC_SA_ERROR_REPLAY;
+ case ESP_DECRYPT_ERROR_RUNT:
+ return IPSEC_SA_ERROR_RUNT;
+ case ESP_DECRYPT_ERROR_NO_BUFFERS:
+ return IPSEC_SA_ERROR_NO_BUFFERS;
+ case ESP_DECRYPT_ERROR_OVERSIZED_HEADER:
+ return IPSEC_SA_ERROR_OVERSIZED_HEADER;
+ case ESP_DECRYPT_ERROR_NO_TAIL_SPACE:
+ return IPSEC_SA_ERROR_NO_TAIL_SPACE;
+ case ESP_DECRYPT_ERROR_TUN_NO_PROTO:
+ return IPSEC_SA_ERROR_TUN_NO_PROTO;
+ case ESP_DECRYPT_ERROR_UNSUP_PAYLOAD:
+ return IPSEC_SA_ERROR_UNSUP_PAYLOAD;
+ }
+ return ~0;
+}
+
+always_inline void
+esp_encrypt_set_next_index (vlib_buffer_t *b, vlib_node_runtime_t *node,
+ u32 thread_index, u32 err, u16 index, u16 *nexts,
+ u16 drop_next, u32 sa_index)
+{
+ ipsec_set_next_index (b, node, thread_index, err,
+ esp_encrypt_err_to_sa_err (err), index, nexts,
+ drop_next, sa_index);
+}
+
always_inline void
-esp_set_next_index (vlib_buffer_t *b, vlib_node_runtime_t *node, u32 err,
- u16 index, u16 *nexts, u16 drop_next)
+esp_decrypt_set_next_index (vlib_buffer_t *b, vlib_node_runtime_t *node,
+ u32 thread_index, u32 err, u16 index, u16 *nexts,
+ u16 drop_next, u32 sa_index)
{
- nexts[index] = drop_next;
- b->error = node->errors[err];
+ ipsec_set_next_index (b, node, thread_index, err,
+ esp_decrypt_err_to_sa_err (err), index, nexts,
+ drop_next, sa_index);
}
/* when submitting a frame is failed, drop all buffers in the frame */
always_inline u32
esp_async_recycle_failed_submit (vlib_main_t *vm, vnet_crypto_async_frame_t *f,
- vlib_node_runtime_t *node, u32 err, u16 index,
- u32 *from, u16 *nexts, u16 drop_next_index)
+ vlib_node_runtime_t *node, u32 err,
+ u32 ipsec_sa_err, u16 index, u32 *from,
+ u16 *nexts, u16 drop_next_index)
{
+ vlib_buffer_t *b;
u32 n_drop = f->n_elts;
u32 *bi = f->buffer_indices;
while (n_drop--)
{
from[index] = bi[0];
- esp_set_next_index (vlib_get_buffer (vm, bi[0]), node, err, index, nexts,
- drop_next_index);
+ b = vlib_get_buffer (vm, bi[0]);
+ ipsec_set_next_index (b, node, vm->thread_index, err, ipsec_sa_err,
+ index, nexts, drop_next_index,
+ vnet_buffer (b)->ipsec.sad_index);
bi++;
index++;
}