diff options
| -rw-r--r-- | net/tls/tls_device.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 98885d872d4c..8c94c926606a 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -1079,29 +1079,15 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx) goto release_netdev; } - switch (crypto_info->cipher_type) { - case TLS_CIPHER_AES_GCM_128: - iv = ((struct tls12_crypto_info_aes_gcm_128 *)crypto_info)->iv; - rec_seq = - ((struct tls12_crypto_info_aes_gcm_128 *)crypto_info)->rec_seq; - break; - case TLS_CIPHER_AES_GCM_256: - iv = ((struct tls12_crypto_info_aes_gcm_256 *)crypto_info)->iv; - rec_seq = - ((struct tls12_crypto_info_aes_gcm_256 *)crypto_info)->rec_seq; - break; - default: - rc = -EINVAL; - goto release_netdev; - } cipher_desc = get_cipher_desc(crypto_info->cipher_type); - - /* Sanity-check the rec_seq_size for stack allocations */ - if (cipher_desc->rec_seq > TLS_MAX_REC_SEQ_SIZE) { + if (!cipher_desc || !cipher_desc->offloadable) { rc = -EINVAL; goto release_netdev; } + iv = crypto_info_iv(crypto_info, cipher_desc); + rec_seq = crypto_info_rec_seq(crypto_info, cipher_desc); + prot->version = crypto_info->version; prot->cipher_type = crypto_info->cipher_type; prot->prepend_size = TLS_HEADER_SIZE + cipher_desc->iv; |