Commit 7718a855 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller

selftests/tls: test for lowat overshoot with multiple records

Set SO_RCVLOWAT and test it gets respected when gathering
data from multiple records.
Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: default avatarDirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 46a16959
......@@ -575,6 +575,25 @@ TEST_F(tls, recv_peek_large_buf_mult_recs)
EXPECT_EQ(memcmp(test_str, buf, len), 0);
}
TEST_F(tls, recv_lowat)
{
char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
char recv_mem[20];
int lowat = 8;
EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10);
EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5);
memset(recv_mem, 0, 20);
EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT,
&lowat, sizeof(lowat)), 0);
EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1);
EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6);
EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8);
EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0);
EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
}
TEST_F(tls, pollin)
{
......
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