Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b190a587 authored by Boris Pismenny's avatar Boris Pismenny Committed by David S. Miller
Browse files

tls: Fill software context without allocation 



This patch allows tls_set_sw_offload to fill the context in case it was
already allocated previously.

We will use it in TLS_DEVICE to fill the RX software context.

Signed-off-by: default avatarBoris Pismenny <borisp@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 39f56e1a

net/tls/tls_sw.c

+22 −12
Original line number Diff line number Diff line
@@ -1081,28 +1081,38 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx) 
	}



	if (tx) {

		if (!ctx->priv_ctx_tx) {

			sw_ctx_tx = kzalloc(sizeof(*sw_ctx_tx), GFP_KERNEL);

			if (!sw_ctx_tx) {

				rc = -ENOMEM;

				goto out;

			}

		crypto_init_wait(&sw_ctx_tx->async_wait);

			ctx->priv_ctx_tx = sw_ctx_tx;

		} else {

			sw_ctx_tx =

				(struct tls_sw_context_tx *)ctx->priv_ctx_tx;

		}

	} else {

		if (!ctx->priv_ctx_rx) {

			sw_ctx_rx = kzalloc(sizeof(*sw_ctx_rx), GFP_KERNEL);

			if (!sw_ctx_rx) {

				rc = -ENOMEM;

				goto out;

			}

		crypto_init_wait(&sw_ctx_rx->async_wait);

			ctx->priv_ctx_rx = sw_ctx_rx;

		} else {

			sw_ctx_rx =

				(struct tls_sw_context_rx *)ctx->priv_ctx_rx;

		}

	}



	if (tx) {

		crypto_init_wait(&sw_ctx_tx->async_wait);

		crypto_info = &ctx->crypto_send;

		cctx = &ctx->tx;

		aead = &sw_ctx_tx->aead_send;

	} else {

		crypto_init_wait(&sw_ctx_rx->async_wait);

		crypto_info = &ctx->crypto_recv;

		cctx = &ctx->rx;

		aead = &sw_ctx_rx->aead_recv;