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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-06-11 07:40:00 +0300
committerDavid S. Miller <davem@davemloft.net>2019-06-11 22:22:26 +0300
commit89fec474fa1ab2c754e48d29e1081a2c2bd22dc6 (patch)
tree7c616c5ef6c27aaae2681c10cd852cc43253987d /include/net/tls.h
parent4967373959cd8a437df92413ea932e638a0518b1 (diff)
downloadlinux-89fec474fa1ab2c754e48d29e1081a2c2bd22dc6.tar.xz
net/tls: pass record number as a byte array
TLS offload code casts record number to a u64. The buffer should be aligned to 8 bytes, but its actually a __be64, and the rest of the TLS code treats it as big int. Make the offload callbacks take a byte array, drivers can make the choice to do the ugly cast if they want to. Prepare for copying the record number onto the stack by defining a constant for max size of the byte array. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tls.h')
-rw-r--r--include/net/tls.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/net/tls.h b/include/net/tls.h
index 3ecf45adb707..25641e2f5b96 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -62,6 +62,7 @@
#define TLS_DEVICE_NAME_MAX 32
#define MAX_IV_SIZE 16
+#define TLS_MAX_REC_SEQ_SIZE 8
/* For AES-CCM, the full 16-bytes of IV is made of '4' fields of given sizes.
*
@@ -299,7 +300,7 @@ struct tlsdev_ops {
struct tls_context *ctx,
enum tls_offload_ctx_dir direction);
void (*tls_dev_resync_rx)(struct net_device *netdev,
- struct sock *sk, u32 seq, u64 rcd_sn);
+ struct sock *sk, u32 seq, u8 *rcd_sn);
};
struct tls_offload_context_rx {
@@ -607,6 +608,6 @@ int tls_sw_fallback_init(struct sock *sk,
int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx);
void tls_device_offload_cleanup_rx(struct sock *sk);
-void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn);
+void handle_device_resync(struct sock *sk, u32 seq);
#endif /* _TLS_OFFLOAD_H */