netdev - [bpf-next PATCH v2 6/7] bpf: sockmap put client sockets in blocking mode

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Message-ID: <20180110184027.5930.86884.stgit@john-Precision-Tower-5810>
Date:   Wed, 10 Jan 2018 10:40:27 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     borkmann@...earbox.net, john.fastabend@...il.com, ast@...nel.org
Cc:     netdev@...r.kernel.org
Subject: [bpf-next PATCH v2 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>
---
 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 eb19d14..9496b2c 100644
--- a/samples/sockmap/sockmap_user.c
+++ b/samples/sockmap/sockmap_user.c
@@ -110,7 +110,7 @@ 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()");