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Diffstat (limited to 'include/net/tls.h')
-rw-r--r--include/net/tls.h26
1 files changed, 8 insertions, 18 deletions
diff --git a/include/net/tls.h b/include/net/tls.h
index a2b44578dc..340ad43971 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -61,7 +61,8 @@ struct tls_rec;
#define TLS_AAD_SPACE_SIZE 13
-#define MAX_IV_SIZE 16
+#define TLS_MAX_IV_SIZE 16
+#define TLS_MAX_SALT_SIZE 4
#define TLS_TAG_SIZE 16
#define TLS_MAX_REC_SEQ_SIZE 8
#define TLS_MAX_AAD_SIZE TLS_AAD_SPACE_SIZE
@@ -96,9 +97,6 @@ struct tls_sw_context_tx {
struct tls_rec *open_rec;
struct list_head tx_list;
atomic_t encrypt_pending;
- /* protect crypto_wait with encrypt_pending */
- spinlock_t encrypt_compl_lock;
- int async_notify;
u8 async_capable:1;
#define BIT_TX_SCHEDULED 0
@@ -135,8 +133,6 @@ struct tls_sw_context_rx {
struct tls_strparser strp;
atomic_t decrypt_pending;
- /* protect crypto_wait with decrypt_pending*/
- spinlock_t decrypt_compl_lock;
struct sk_buff_head async_hold;
struct wait_queue_head wq;
};
@@ -149,6 +145,7 @@ struct tls_record_info {
skb_frag_t frags[MAX_SKB_FRAGS];
};
+#define TLS_DRIVER_STATE_SIZE_TX 16
struct tls_offload_context_tx {
struct crypto_aead *aead_send;
spinlock_t lock; /* protects records list */
@@ -162,17 +159,13 @@ struct tls_offload_context_tx {
void (*sk_destruct)(struct sock *sk);
struct work_struct destruct_work;
struct tls_context *ctx;
- u8 driver_state[] __aligned(8);
/* The TLS layer reserves room for driver specific state
* Currently the belief is that there is not enough
* driver specific state to justify another layer of indirection
*/
-#define TLS_DRIVER_STATE_SIZE_TX 16
+ u8 driver_state[TLS_DRIVER_STATE_SIZE_TX] __aligned(8);
};
-#define TLS_OFFLOAD_CONTEXT_SIZE_TX \
- (sizeof(struct tls_offload_context_tx) + TLS_DRIVER_STATE_SIZE_TX)
-
enum tls_context_flags {
/* tls_device_down was called after the netdev went down, device state
* was released, and kTLS works in software, even though rx_conf is
@@ -193,8 +186,8 @@ enum tls_context_flags {
};
struct cipher_context {
- char *iv;
- char *rec_seq;
+ char iv[TLS_MAX_IV_SIZE + TLS_MAX_SALT_SIZE];
+ char rec_seq[TLS_MAX_REC_SEQ_SIZE];
};
union tls_crypto_context {
@@ -302,6 +295,7 @@ struct tls_offload_resync_async {
u32 log[TLS_DEVICE_RESYNC_ASYNC_LOGMAX];
};
+#define TLS_DRIVER_STATE_SIZE_RX 8
struct tls_offload_context_rx {
/* sw must be the first member of tls_offload_context_rx */
struct tls_sw_context_rx sw;
@@ -325,17 +319,13 @@ struct tls_offload_context_rx {
struct tls_offload_resync_async *resync_async;
};
};
- u8 driver_state[] __aligned(8);
/* The TLS layer reserves room for driver specific state
* Currently the belief is that there is not enough
* driver specific state to justify another layer of indirection
*/
-#define TLS_DRIVER_STATE_SIZE_RX 8
+ u8 driver_state[TLS_DRIVER_STATE_SIZE_RX] __aligned(8);
};
-#define TLS_OFFLOAD_CONTEXT_SIZE_RX \
- (sizeof(struct tls_offload_context_rx) + TLS_DRIVER_STATE_SIZE_RX)
-
struct tls_record_info *tls_get_record(struct tls_offload_context_tx *context,
u32 seq, u64 *p_record_sn);