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net/mlx5e: kTLS, Save a copy of the crypto info

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Do not assume the crypto info is accessible during the
connection lifetime. Save a copy of it in the private
TX context.

Fixes: d2ead1f360e8 ("net/mlx5e: Add kTLS TX HW offload support")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Tariq Toukan 2019-09-22 14:05:24 +03:00 committed by Saeed Mahameed
parent ecdc65a3ec
commit af11a7a424
3 changed files with 4 additions and 8 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
View File

@ -38,7 +38,7 @@ static int mlx5e_ktls_add(struct net_device *netdev, struct sock *sk,
return -ENOMEM;
tx_priv->expected_seq = start_offload_tcp_sn;
tx_priv->crypto_info = crypto_info;
tx_priv->crypto_info = *(struct tls12_crypto_info_aes_gcm_128 *)crypto_info;
mlx5e_set_ktls_tx_priv_ctx(tls_ctx, tx_priv);
/* tc and underlay_qpn values are not in use for tls tis */

2
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
View File

@ -44,7 +44,7 @@ enum {
struct mlx5e_ktls_offload_context_tx {
struct tls_offload_context_tx *tx_ctx;
struct tls_crypto_info *crypto_info;
struct tls12_crypto_info_aes_gcm_128 crypto_info;
u32 expected_seq;
u32 tisn;
u32 key_id;

8
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
View File

@ -24,14 +24,12 @@ enum {
static void
fill_static_params_ctx(void *ctx, struct mlx5e_ktls_offload_context_tx *priv_tx)
{
struct tls_crypto_info *crypto_info = priv_tx->crypto_info;
struct tls12_crypto_info_aes_gcm_128 *info;
struct tls12_crypto_info_aes_gcm_128 *info = &priv_tx->crypto_info;
char *initial_rn, *gcm_iv;
u16 salt_sz, rec_seq_sz;
char *salt, *rec_seq;
u8 tls_version;
info = (struct tls12_crypto_info_aes_gcm_128 *)crypto_info;
EXTRACT_INFO_FIELDS;
gcm_iv = MLX5_ADDR_OF(tls_static_params, ctx, gcm_iv);
@ -233,14 +231,12 @@ tx_post_resync_params(struct mlx5e_txqsq *sq,
struct mlx5e_ktls_offload_context_tx *priv_tx,
u64 rcd_sn)
{
struct tls_crypto_info *crypto_info = priv_tx->crypto_info;
struct tls12_crypto_info_aes_gcm_128 *info;
struct tls12_crypto_info_aes_gcm_128 *info = &priv_tx->crypto_info;
__be64 rn_be = cpu_to_be64(rcd_sn);
bool skip_static_post;
u16 rec_seq_sz;
char *rec_seq;
info = (struct tls12_crypto_info_aes_gcm_128 *)crypto_info;
rec_seq = info->rec_seq;
rec_seq_sz = sizeof(info->rec_seq);