netdev - [bpf-next PATCH v4 6/7] bpf: sockmap put client sockets in blocking mode

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Date:   Mon, 22 Jan 2018 10:36:53 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     borkmann@...earbox.net, kafai@...com, ast@...nel.org
Cc:     netdev@...r.kernel.org, brouer@...hat.com
Subject: [bpf-next PATCH v4 6/7] bpf: sockmap put client sockets in blocking
 mode

Put client sockets in blocking mode otherwise with sendmsg tests
its easy to overrun the socket buffers which results in the test
being aborted.

The original non-blocking was added to handle listen/accept with
a single thread the client/accepted sockets do not need to be
non-blocking.

Signed-off-by: John Fastabend <john.fastabend@...il.com>
Acked-by: Martin KaFai Lau <kafai@...com>
---
 samples/sockmap/sockmap_user.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/sockmap/sockmap_user.c b/samples/sockmap/sockmap_user.c
index f9d3785..fe943c9 100644
--- a/samples/sockmap/sockmap_user.c
+++ b/samples/sockmap/sockmap_user.c
@@ -109,7 +109,7 @@ static int sockmap_init_sockets(void)
 	}
 
 	/* Non-blocking sockets */
-	for (i = 0; i < 4; i++) {
+	for (i = 0; i < 2; i++) {
 		err = ioctl(*fds[i], FIONBIO, (char *)&one);
 		if (err < 0) {
 			perror("ioctl s1 failed()");