From: Jakub Kicinski jakub.kicinski@netronome.com
[ Upstream commit 618bac45937a3dc6126ac0652747481e97000f99 ]
Neither drivers nor the tls offload code currently supports TLS version 1.3. Check the TLS version when installing connection state. TLS 1.3 will just fallback to the kernel crypto for now.
Fixes: 130b392c6cd6 ("net: tls: Add tls 1.3 support") 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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/tls/tls_device.c | 8 ++++++++ 1 file changed, 8 insertions(+)
--- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -746,6 +746,11 @@ int tls_set_device_offload(struct sock * }
crypto_info = &ctx->crypto_send.info; + if (crypto_info->version != TLS_1_2_VERSION) { + rc = -EOPNOTSUPP; + goto free_offload_ctx; + } + switch (crypto_info->cipher_type) { case TLS_CIPHER_AES_GCM_128: nonce_size = TLS_CIPHER_AES_GCM_128_IV_SIZE; @@ -880,6 +885,9 @@ int tls_set_device_offload_rx(struct soc struct net_device *netdev; int rc = 0;
+ if (ctx->crypto_recv.info.version != TLS_1_2_VERSION) + return -EOPNOTSUPP; + /* We support starting offload on multiple sockets * concurrently, so we only need a read lock here. * This lock must precede get_netdev_for_sock to prevent races between