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tls: Fix write space handling

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TLS device cannot use the sw context. This patch returns the original
tls device write space handler and moves the sw/device specific portions
to the relevant files.

Also, we remove the write_space call for the tls_sw flow, because it
handles partial records in its delayed tx work handler.

Fixes: a42055e8d2 ("net/tls: Add support for async encryption of records for performance")
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Boris Pismenny
2019-02-27 17:38:04 +02:00
committed by David S. Miller
parent 94850257cf
commit 7463d3a2db
4 changed files with 39 additions and 9 deletions
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17
net/tls/tls_device.c
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@@ -546,6 +546,23 @@ static int tls_device_push_pending_record(struct sock *sk, int flags)
return tls_push_data(sk, &msg_iter, 0, flags, TLS_RECORD_TYPE_DATA);
}
void tls_device_write_space(struct sock *sk, struct tls_context *ctx)
{
int rc = 0;
if (!sk->sk_write_pending && tls_is_partially_sent_record(ctx)) {
gfp_t sk_allocation = sk->sk_allocation;
sk->sk_allocation = GFP_ATOMIC;
rc = tls_push_partial_record(sk, ctx,
MSG_DONTWAIT | MSG_NOSIGNAL);
sk->sk_allocation = sk_allocation;
}
if (!rc)
ctx->sk_write_space(sk);
}
void handle_device_resync(struct sock *sk, u32 seq, u64 rcd_sn)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);