netdev - [bpf-next PATCH v3 6/7] bpf: sockmap put client sockets in blocking mode

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Message-ID: <20180112050745.5823.94244.stgit@john-Precision-Tower-5810>
Date:   Thu, 11 Jan 2018 21:07:45 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     borkmann@...earbox.net, john.fastabend@...il.com, ast@...nel.org,
        kafai@...com
Cc:     netdev@...r.kernel.org
Subject: [bpf-next PATCH v3 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 c3295a7..818766b 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()");