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authorGabriel Oginski <gabrielx.oginski@intel.com>2021-11-25 08:21:41 +0000
committerFan Zhang <roy.fan.zhang@intel.com>2022-01-24 11:01:51 +0000
commit4634d02501235d3803a17839eeaf076110abcb18 (patch)
tree6ff75f5f965ba0274e9409efcbaefced47d46438 /src/plugins/dpdk/cryptodev/cryptodev.c
parentafe31562a1ed873bee8e1abb3b18df27d1a09ba3 (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
Diffstat (limited to 'src/plugins/dpdk/cryptodev/cryptodev.c')
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev.c15
1 files changed, 11 insertions, 4 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;