/** async crypto **/
/* CRYPTO_ID, PRETTY_NAME, KEY_LENGTH_IN_BYTES, TAG_LEN, AAD_LEN */
-#define foreach_crypto_aead_async_alg \
- _(AES_128_GCM, "aes-128-gcm-aad8", 16, 16, 8) \
- _(AES_128_GCM, "aes-128-gcm-aad12", 16, 16, 12) \
- _(AES_192_GCM, "aes-192-gcm-aad8", 24, 16, 8) \
- _(AES_192_GCM, "aes-192-gcm-aad12", 24, 16, 12) \
- _(AES_256_GCM, "aes-256-gcm-aad8", 32, 16, 8) \
- _(AES_256_GCM, "aes-256-gcm-aad12", 32, 16, 12) \
- _(CHACHA20_POLY1305, "chacha20-poly1305-aad8", 32, 16, 8) \
- _(CHACHA20_POLY1305, "chacha20-poly1305-aad12", 32, 16, 12)
+#define foreach_crypto_aead_async_alg \
+ _ (AES_128_GCM, "aes-128-gcm-aad8", 16, 16, 8) \
+ _ (AES_128_GCM, "aes-128-gcm-aad12", 16, 16, 12) \
+ _ (AES_192_GCM, "aes-192-gcm-aad8", 24, 16, 8) \
+ _ (AES_192_GCM, "aes-192-gcm-aad12", 24, 16, 12) \
+ _ (AES_256_GCM, "aes-256-gcm-aad8", 32, 16, 8) \
+ _ (AES_256_GCM, "aes-256-gcm-aad12", 32, 16, 12) \
+ _ (CHACHA20_POLY1305, "chacha20-poly1305-aad8", 32, 16, 8) \
+ _ (CHACHA20_POLY1305, "chacha20-poly1305-aad12", 32, 16, 12) \
+ _ (CHACHA20_POLY1305, "chacha20-poly1305", 32, 16, 0)
/* CRYPTO_ID, INTEG_ID, PRETTY_NAME, KEY_LENGTH_IN_BYTES, DIGEST_LEN */
#define foreach_crypto_link_async_alg \
vnet_crypto_op_id_t op:16;
vnet_crypto_op_status_t status:8;
u8 flags;
-#define VNET_CRYPTO_OP_FLAG_INIT_IV (1 << 0)
-#define VNET_CRYPTO_OP_FLAG_HMAC_CHECK (1 << 1)
-#define VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS (1 << 2)
+#define VNET_CRYPTO_OP_FLAG_HMAC_CHECK (1 << 0)
+#define VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS (1 << 1)
union
{
i16 crypto_start_offset; /* first buffer offset */
i16 integ_start_offset;
/* adj total_length for integ, e.g.4 bytes for IPSec ESN */
- u16 integ_length_adj;
+ i16 integ_length_adj;
vnet_crypto_op_status_t status : 8;
u8 flags; /**< share same VNET_CRYPTO_OP_FLAG_* values */
} vnet_crypto_async_frame_elt_t;
/** async crypto register functions */
u32 vnet_crypto_register_post_node (vlib_main_t * vm, char *post_node_name);
-void vnet_crypto_register_async_handler (vlib_main_t * vm,
- u32 engine_index,
- vnet_crypto_async_op_id_t opt,
- vnet_crypto_frame_enqueue_t * enq_fn,
- vnet_crypto_frame_dequeue_t *
- deq_fn);
+
+void
+vnet_crypto_register_enqueue_handler (vlib_main_t *vm, u32 engine_index,
+ vnet_crypto_async_op_id_t opt,
+ vnet_crypto_frame_enqueue_t *enq_fn);
+
+void
+vnet_crypto_register_dequeue_handler (vlib_main_t *vm, u32 engine_index,
+ vnet_crypto_frame_dequeue_t *deq_fn);
typedef struct
{
vnet_crypto_chained_ops_handler_t
* chained_ops_handlers[VNET_CRYPTO_N_OP_IDS];
vnet_crypto_frame_enqueue_t *enqueue_handlers[VNET_CRYPTO_ASYNC_OP_N_IDS];
- vnet_crypto_frame_dequeue_t *dequeue_handlers[VNET_CRYPTO_ASYNC_OP_N_IDS];
+ vnet_crypto_frame_dequeue_t *dequeue_handler;
} vnet_crypto_engine_t;
typedef struct
vnet_crypto_chained_ops_handler_t **chained_ops_handlers;
vnet_crypto_frame_enqueue_t **enqueue_handlers;
vnet_crypto_frame_dequeue_t **dequeue_handlers;
- clib_bitmap_t *async_active_ids;
vnet_crypto_op_data_t opt_data[VNET_CRYPTO_N_OP_IDS];
vnet_crypto_async_op_data_t async_opt_data[VNET_CRYPTO_ASYNC_OP_N_IDS];
vnet_crypto_engine_t *engines;
uword *alg_index_by_name;
uword *async_alg_index_by_name;
vnet_crypto_async_alg_data_t *async_algs;
- u32 async_refcnt;
vnet_crypto_async_next_node_t *next_nodes;
u32 crypto_node_index;
-#define VNET_CRYPTO_ASYNC_DISPATCH_POLLING 0
-#define VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT 1
- u8 dispatch_mode;
} vnet_crypto_main_t;
extern vnet_crypto_main_t crypto_main;
vnet_crypto_key_index_t index_crypto,
vnet_crypto_key_index_t index_integ);
-clib_error_t *crypto_dispatch_enable_disable (int is_enable);
-
int vnet_crypto_set_async_handler2 (char *alg_name, char *engine);
int vnet_crypto_is_set_async_handler (vnet_crypto_async_op_id_t opt);
-void vnet_crypto_request_async_mode (int is_enable);
-
-void vnet_crypto_set_async_dispatch_mode (u8 mode);
-
vnet_crypto_async_alg_t vnet_crypto_link_algs (vnet_crypto_alg_t crypto_alg,
vnet_crypto_alg_t integ_alg);
-clib_error_t *crypto_dispatch_enable_disable (int is_enable);
-
format_function_t format_vnet_crypto_alg;
format_function_t format_vnet_crypto_engine;
format_function_t format_vnet_crypto_op;
vnet_crypto_thread_t *ct = cm->threads + vm->thread_index;
vnet_crypto_async_frame_t *f = NULL;
- pool_get_aligned (ct->frame_pool, f, CLIB_CACHE_LINE_BYTES);
- if (CLIB_DEBUG > 0)
- clib_memset (f, 0xfe, sizeof (*f));
- f->state = VNET_CRYPTO_FRAME_STATE_NOT_PROCESSED;
- f->op = opt;
- f->n_elts = 0;
+ if (PREDICT_TRUE (pool_free_elts (ct->frame_pool)))
+ {
+ pool_get_aligned (ct->frame_pool, f, CLIB_CACHE_LINE_BYTES);
+#if CLIB_DEBUG > 0
+ clib_memset (f, 0xfe, sizeof (*f));
+#endif
+ f->state = VNET_CRYPTO_FRAME_STATE_NOT_PROCESSED;
+ f->op = opt;
+ f->n_elts = 0;
+ }
return f;
}
{
vnet_crypto_main_t *cm = &crypto_main;
vlib_thread_main_t *tm = vlib_get_thread_main ();
- vnet_crypto_async_op_id_t opt = frame->op;
- u32 i = vlib_num_workers () > 0;
+ u32 i;
+ vlib_node_t *n;
frame->state = VNET_CRYPTO_FRAME_STATE_PENDING;
frame->enqueue_thread_index = vm->thread_index;
+ if (PREDICT_FALSE (cm->enqueue_handlers == NULL))
+ {
+ frame->state = VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
+ return -1;
+ }
+
int ret = (cm->enqueue_handlers[frame->op]) (vm, frame);
- clib_bitmap_set_no_check (cm->async_active_ids, opt, 1);
if (PREDICT_TRUE (ret == 0))
{
- if (cm->dispatch_mode == VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT)
+ n = vlib_get_node (vm, cm->crypto_node_index);
+ if (n->state == VLIB_NODE_STATE_INTERRUPT)
{
- for (; i < tm->n_vlib_mains; i++)
+ for (i = 0; i < tm->n_vlib_mains; i++)
vlib_node_set_interrupt_pending (vlib_get_main_by_index (i),
cm->crypto_node_index);
}
vnet_crypto_async_add_to_frame (vlib_main_t *vm, vnet_crypto_async_frame_t *f,
u32 key_index, u32 crypto_len,
i16 integ_len_adj, i16 crypto_start_offset,
- u16 integ_start_offset, u32 buffer_index,
+ i16 integ_start_offset, u32 buffer_index,
u16 next_node, u8 *iv, u8 *tag, u8 *aad,
u8 flags)
{
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