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authorGabriel Oginski <gabrielx.oginski@intel.com>2021-11-25 08:21:41 +0000
committerGabriel Oginski <gabrielx.oginski@intel.com>2022-01-25 11:32:52 +0100
commite3d36d18c1ae30438fa2aa91aee4f14c43688a6e (patch)
tree72e5893feaba0525ebbf08c04407ebeb8d1b0108
parent0fb3a93a03fa55b1aeb102aaa16064b5f1901568 (diff)
dpdk-cryptodev: add support chacha20-poly1305
Originally cryptodev doesn't support chacha20-poly1305 with aad length 0. This patch add support in cryptodev for chacha20-poly1305 with aad length 0. This length is using in Wireguard. Type: improvement Signed-off-by: Gabriel Oginski <gabrielx.oginski@intel.com> Change-Id: I0608920bb557d7d071e7f9f37c80cf50bad81dcc
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev.c15
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev.h5
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c14
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c16
4 files changed, 44 insertions, 6 deletions
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c
index f9e986f9867..c2b8a080599 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev.c
@@ -51,12 +51,19 @@ prepare_aead_xform (struct rte_crypto_sym_xform *xform,
xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;
xform->next = 0;
- if (key->alg != VNET_CRYPTO_ALG_AES_128_GCM &&
- key->alg != VNET_CRYPTO_ALG_AES_192_GCM &&
- key->alg != VNET_CRYPTO_ALG_AES_256_GCM)
+ if (key->alg == VNET_CRYPTO_ALG_AES_128_GCM ||
+ key->alg == VNET_CRYPTO_ALG_AES_192_GCM ||
+ key->alg == VNET_CRYPTO_ALG_AES_256_GCM)
+ {
+ aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
+ }
+ else if (key->alg == VNET_CRYPTO_ALG_CHACHA20_POLY1305)
+ {
+ aead_xform->algo = RTE_CRYPTO_AEAD_CHACHA20_POLY1305;
+ }
+ else
return -1;
- aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
aead_xform->op = (op_type == CRYPTODEV_OP_TYPE_ENCRYPT) ?
RTE_CRYPTO_AEAD_OP_ENCRYPT : RTE_CRYPTO_AEAD_OP_DECRYPT;
aead_xform->aad_length = aad_len;
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.h b/src/plugins/dpdk/cryptodev/cryptodev.h
index af1ccf5b017..53a0462ea43 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.h
+++ b/src/plugins/dpdk/cryptodev/cryptodev.h
@@ -43,7 +43,10 @@
_ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 8, 24) \
_ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 12, 24) \
_ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 8, 32) \
- _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32)
+ _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32) \
+ _ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 0, 32) \
+ _ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 8, 32) \
+ _ (CHACHA20_POLY1305, AEAD, CHACHA20_POLY1305, 12, 16, 12, 32)
/**
* crypto (alg, cryptodev_alg, key_size), hash (alg, digest-size)
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
index 47cc15aaaff..55be79c5dc5 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
@@ -459,6 +459,13 @@ cryptodev_frame_dequeue (vlib_main_t *vm, u32 *nb_elts_processed,
}
static_always_inline int
+cryptodev_enqueue_aead_aad_0_enc (vlib_main_t *vm,
+ vnet_crypto_async_frame_t *frame)
+{
+ return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT,
+ 0);
+}
+static_always_inline int
cryptodev_enqueue_aead_aad_8_enc (vlib_main_t *vm,
vnet_crypto_async_frame_t *frame)
{
@@ -474,6 +481,13 @@ cryptodev_enqueue_aead_aad_12_enc (vlib_main_t *vm,
}
static_always_inline int
+cryptodev_enqueue_aead_aad_0_dec (vlib_main_t *vm,
+ vnet_crypto_async_frame_t *frame)
+{
+ return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT,
+ 0);
+}
+static_always_inline int
cryptodev_enqueue_aead_aad_8_dec (vlib_main_t *vm,
vnet_crypto_async_frame_t *frame)
{
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
index a7743133247..c096e34fba4 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
@@ -349,7 +349,7 @@ cryptodev_raw_aead_enqueue (vlib_main_t *vm, vnet_crypto_async_frame_t *frame,
if (aad_len == 8)
*(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
- else
+ else if (aad_len != 0)
{
/* aad_len == 12 */
*(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
@@ -592,6 +592,13 @@ end_deq:
}
static_always_inline int
+cryptodev_raw_enq_aead_aad_0_enc (vlib_main_t *vm,
+ vnet_crypto_async_frame_t *frame)
+{
+ return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT, 0);
+}
+
+static_always_inline int
cryptodev_raw_enq_aead_aad_8_enc (vlib_main_t *vm,
vnet_crypto_async_frame_t *frame)
{
@@ -605,6 +612,13 @@ cryptodev_raw_enq_aead_aad_12_enc (vlib_main_t *vm,
}
static_always_inline int
+cryptodev_raw_enq_aead_aad_0_dec (vlib_main_t *vm,
+ vnet_crypto_async_frame_t *frame)
+{
+ return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT, 0);
+}
+
+static_always_inline int
cryptodev_raw_enq_aead_aad_8_dec (vlib_main_t *vm,
vnet_crypto_async_frame_t *frame)
{