[PATCH net] chelsio/chtls: fix tls record info to user

[PATCH net] chelsio/chtls: fix tls record info to user

[Vinay Kumar Yadav]

tls record header is not getting updated correctly causing
application to close the connection in between data copy.
fixing it by finalizing current record whenever tls header
received.

Fixes: 17a7d24aa89d ("crypto: chtls - generic handling of data and hdr")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
---
 .../net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c   | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c
index 9fb5ca6682ea..a5dcc576ba3c 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c
@@ -1585,6 +1585,7 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 			tp->urg_data = 0;
 
 		if ((avail + offset) >= skb->len) {
+			struct sk_buff *next_skb;
 			if (ULP_SKB_CB(skb)->flags & ULPCB_FLAG_TLS_HDR) {
 				tp->copied_seq += skb->len;
 				hws->rcvpld = skb->hdr_len;
@@ -1595,9 +1596,12 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 			chtls_free_skb(sk, skb);
 			buffers_freed++;
 			hws->copied_seq = 0;
-			if (copied >= target &&
-			    !skb_peek(&sk->sk_receive_queue))
+			next_skb = skb_peek(&sk->sk_receive_queue);
+			if (copied >= target && !next_skb)
 				break;
+			if (ULP_SKB_CB(next_skb)->flags & ULPCB_FLAG_TLS_HDR)
+				break;
+
 		}
 	} while (len > 0);
 
-- 
2.18.1

Re: [PATCH net] chelsio/chtls: fix tls record info to user

[Jakub Kicinski]

On Wed, 21 Oct 2020 01:09:31 +0530 Vinay Kumar Yadav wrote:
> tls record header is not getting updated correctly causing
> application to close the connection in between data copy.
> fixing it by finalizing current record whenever tls header
> received.

Please improve this commit message.