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path: root/net/tls/tls_device_fallback.c
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Diffstat (limited to 'net/tls/tls_device_fallback.c')
-rw-r--r--net/tls/tls_device_fallback.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/net/tls/tls_device_fallback.c b/net/tls/tls_device_fallback.c
index 1d743f310f4f..4e7228f275fa 100644
--- a/net/tls/tls_device_fallback.c
+++ b/net/tls/tls_device_fallback.c
@@ -54,7 +54,7 @@ static int tls_enc_record(struct aead_request *aead_req,
struct scatter_walk *out, int *in_len,
struct tls_prot_info *prot)
{
- unsigned char buf[TLS_HEADER_SIZE + MAX_IV_SIZE];
+ unsigned char buf[TLS_HEADER_SIZE + TLS_MAX_IV_SIZE];
const struct tls_cipher_desc *cipher_desc;
struct scatterlist sg_in[3];
struct scatterlist sg_out[3];
@@ -62,14 +62,8 @@ static int tls_enc_record(struct aead_request *aead_req,
u16 len;
int rc;
- switch (prot->cipher_type) {
- case TLS_CIPHER_AES_GCM_128:
- case TLS_CIPHER_AES_GCM_256:
- break;
- default:
- return -EINVAL;
- }
cipher_desc = get_cipher_desc(prot->cipher_type);
+ DEBUG_NET_WARN_ON_ONCE(!cipher_desc || !cipher_desc->offloadable);
buf_size = TLS_HEADER_SIZE + cipher_desc->iv;
len = min_t(int, *in_len, buf_size);
@@ -338,17 +332,9 @@ static struct sk_buff *tls_enc_skb(struct tls_context *tls_ctx,
if (!aead_req)
return NULL;
- switch (tls_ctx->crypto_send.info.cipher_type) {
- case TLS_CIPHER_AES_GCM_128:
- salt = tls_ctx->crypto_send.aes_gcm_128.salt;
- break;
- case TLS_CIPHER_AES_GCM_256:
- salt = tls_ctx->crypto_send.aes_gcm_256.salt;
- break;
- default:
- goto free_req;
- }
cipher_desc = get_cipher_desc(tls_ctx->crypto_send.info.cipher_type);
+ DEBUG_NET_WARN_ON_ONCE(!cipher_desc || !cipher_desc->offloadable);
+
buf_len = cipher_desc->salt + cipher_desc->iv + TLS_AAD_SPACE_SIZE +
sync_size + cipher_desc->tag;
buf = kmalloc(buf_len, GFP_ATOMIC);
@@ -356,6 +342,7 @@ static struct sk_buff *tls_enc_skb(struct tls_context *tls_ctx,
goto free_req;
iv = buf;
+ salt = crypto_info_salt(&tls_ctx->crypto_send.info, cipher_desc);
memcpy(iv, salt, cipher_desc->salt);
aad = buf + cipher_desc->salt + cipher_desc->iv;
dummy_buf = aad + TLS_AAD_SPACE_SIZE;