diff options
Diffstat (limited to 'include/net/tls.h')
| -rw-r--r-- | include/net/tls.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/net/tls.h b/include/net/tls.h index 9b49baecc4a8..63e473420b00 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -212,6 +212,11 @@ struct tls_offload_context_tx { enum tls_context_flags { TLS_RX_SYNC_RUNNING = 0, + /* Unlike RX where resync is driven entirely by the core in TX only + * the driver knows when things went out of sync, so we need the flag + * to be atomic. + */ + TLS_TX_SYNC_SCHED = 1, }; struct cipher_context { @@ -619,6 +624,24 @@ tls_offload_rx_resync_set_type(struct sock *sk, enum tls_offload_sync_type type) tls_offload_ctx_rx(tls_ctx)->resync_type = type; } +static inline void tls_offload_tx_resync_request(struct sock *sk) +{ + struct tls_context *tls_ctx = tls_get_ctx(sk); + + WARN_ON(test_and_set_bit(TLS_TX_SYNC_SCHED, &tls_ctx->flags)); +} + +/* Driver's seq tracking has to be disabled until resync succeeded */ +static inline bool tls_offload_tx_resync_pending(struct sock *sk) +{ + struct tls_context *tls_ctx = tls_get_ctx(sk); + bool ret; + + ret = test_bit(TLS_TX_SYNC_SCHED, &tls_ctx->flags); + smp_mb__after_atomic(); + return ret; +} + int tls_proccess_cmsg(struct sock *sk, struct msghdr *msg, unsigned char *record_type); void tls_register_device(struct tls_device *device); |