diff options
author | Boris Pismenny <borisp@mellanox.com> | 2018-07-13 14:33:42 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2018-07-16 00:13:11 -0700 |
commit | b190a587c634a8559e4ceabeb0468e93db49789a (patch) | |
tree | 573b0b19fc4b734de7b150a28dfea81603f3b17a /net/tls | |
parent | 39f56e1a78d647316db330c3b6f4c5637a895e3b (diff) | |
download | linux-b190a587c634a8559e4ceabeb0468e93db49789a.tar.gz linux-b190a587c634a8559e4ceabeb0468e93db49789a.tar.bz2 linux-b190a587c634a8559e4ceabeb0468e93db49789a.zip |
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: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls')
-rw-r--r-- | net/tls/tls_sw.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 694d26589dcc..5f7d70b24be6 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -1081,28 +1081,38 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx) } if (tx) { - sw_ctx_tx = kzalloc(sizeof(*sw_ctx_tx), GFP_KERNEL); - if (!sw_ctx_tx) { - rc = -ENOMEM; - goto out; + if (!ctx->priv_ctx_tx) { + sw_ctx_tx = kzalloc(sizeof(*sw_ctx_tx), GFP_KERNEL); + if (!sw_ctx_tx) { + rc = -ENOMEM; + goto out; + } + ctx->priv_ctx_tx = sw_ctx_tx; + } else { + sw_ctx_tx = + (struct tls_sw_context_tx *)ctx->priv_ctx_tx; } - crypto_init_wait(&sw_ctx_tx->async_wait); - ctx->priv_ctx_tx = sw_ctx_tx; } else { - sw_ctx_rx = kzalloc(sizeof(*sw_ctx_rx), GFP_KERNEL); - if (!sw_ctx_rx) { - rc = -ENOMEM; - goto out; + if (!ctx->priv_ctx_rx) { + sw_ctx_rx = kzalloc(sizeof(*sw_ctx_rx), GFP_KERNEL); + if (!sw_ctx_rx) { + rc = -ENOMEM; + goto out; + } + ctx->priv_ctx_rx = sw_ctx_rx; + } else { + sw_ctx_rx = + (struct tls_sw_context_rx *)ctx->priv_ctx_rx; } - crypto_init_wait(&sw_ctx_rx->async_wait); - ctx->priv_ctx_rx = sw_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; |