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net/tls: Use socket data_ready callback on record availability 

On receipt of a complete tls record, use socket's saved data_ready
callback instead of state_change callback. In function tls_queue(),
the TLS record is queued in encrypted state. But the decryption
happen inline when tls_sw_recvmsg() or tls_sw_splice_read() get invoked.
So it should be ok to notify the waiting context about the availability
of data as soon as we could collect a full TLS record. For new data
availability notification, sk_data_ready callback is more appropriate.
It points to sock_def_readable() which wakes up specifically for EPOLLIN
event. This is in contrast to the socket callback sk_state_change which
points to sock_def_wakeup() which issues a wakeup unconditionally
(without event mask).

Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Vakul Garg 2018-07-30 16:08:33 +05:30 committed by David S. Miller
parent 8f3f6500c7
commit ad13acce8d
1 changed files with 1 additions and 1 deletions
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2
net/tls/tls_sw.c
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@ -1028,7 +1028,7 @@ static void tls_queue(struct strparser *strp, struct sk_buff *skb)
ctx->recv_pkt = skb;
strp_pause(strp);
strp->sk->sk_state_change(strp->sk);
ctx->saved_data_ready(strp->sk);
}
static void tls_data_ready(struct sock *sk)