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authorRohit Maheshwari <rohitm@chelsio.com>2020-12-01 14:37:52 +0530
committerJakub Kicinski <kuba@kernel.org>2020-12-01 17:51:30 -0800
commitd31c080075232a37bf70ddc1fd9ea80433842f43 (patch)
treec6ed7d5e8e40a0e273b1705472056a1ee6ace69b /net/tls
parent3d2f670a87b4ef68faa34cf53f8cf2c6695f5e1a (diff)
downloadlinux-d31c080075232a37bf70ddc1fd9ea80433842f43.tar.bz2
net/tls: make sure tls offload sets salt_size
Recent changes made to remove AES constants started using protocol aware salt_size. ctx->prot_info's salt_size is filled in tls sw case, but not in tls offload mode, and was working so far because of the hard coded value was used. Fixes: 6942a284fb3e ("net/tls: make inline helpers protocol-aware") Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com> Link: https://lore.kernel.org/r/20201201090752.27355-1-rohitm@chelsio.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tls')
-rw-r--r--net/tls/tls_device.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index 6cc9fe778356..f7fb7d2c1de1 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -998,7 +998,7 @@ static void tls_device_attach(struct tls_context *ctx, struct sock *sk,
int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
{
- u16 nonce_size, tag_size, iv_size, rec_seq_size;
+ u16 nonce_size, tag_size, iv_size, rec_seq_size, salt_size;
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_prot_info *prot = &tls_ctx->prot_info;
struct tls_record_info *start_marker_record;
@@ -1039,6 +1039,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
iv_size = TLS_CIPHER_AES_GCM_128_IV_SIZE;
iv = ((struct tls12_crypto_info_aes_gcm_128 *)crypto_info)->iv;
rec_seq_size = TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE;
+ salt_size = TLS_CIPHER_AES_GCM_128_SALT_SIZE;
rec_seq =
((struct tls12_crypto_info_aes_gcm_128 *)crypto_info)->rec_seq;
break;
@@ -1059,6 +1060,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
prot->tag_size = tag_size;
prot->overhead_size = prot->prepend_size + prot->tag_size;
prot->iv_size = iv_size;
+ prot->salt_size = salt_size;
ctx->tx.iv = kmalloc(iv_size + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
GFP_KERNEL);
if (!ctx->tx.iv) {