SO_SNDBUF have the following minimum value:
TCP_SKB_MIN_TRUESIZE (2048 + sizeof(struct sk_buff))
SOCK_MIN_SNDBUF (TCP_SKB_MIN_TRUESIZE * 2)
The test set 'SO_SNDBUF' to 2048, then it gets the value back
with getsockopt(). But the value was defaulted in the kernel
to the SOCK_MIN_SNDBUF.
Signed-off-by: Alexey Kodanev <alexey.koda...@oracle.com>
---
utils/sctp/func_tests/test_1_to_1_sockopt.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/utils/sctp/func_tests/test_1_to_1_sockopt.c
b/utils/sctp/func_tests/test_1_to_1_sockopt.c
index 4cd84da..436b344 100644
--- a/utils/sctp/func_tests/test_1_to_1_sockopt.c
+++ b/utils/sctp/func_tests/test_1_to_1_sockopt.c
@@ -340,7 +340,7 @@ main(void)
"got value differs Set Value=%d Get Value=%d",
(2*rcvbuf_val_set), rcvbuf_val_get);
- sndbuf_val_set = 2048;
+ sndbuf_val_set = 5000;
/* TEST17: Test case for setsockopt SO_SNDBUF */
error = setsockopt(sk2, SOL_SOCKET, SO_SNDBUF, &sndbuf_val_set, len);
if (error < 0)
--
1.7.1
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