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selftests/tls: add test for poll() with data in TLS ULP 

Add a test which checks if leftover record data in TLS
layer correctly wakes up poll().

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2019-07-04 14:50:37 -07:00 committed by David S. Miller
parent 13aecb17ac
commit 81a89ef6be
1 changed files with 26 additions and 0 deletions
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26
tools/testing/selftests/net/tls.c
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@ -644,6 +644,32 @@ TEST_F(tls, poll_wait)
EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len);
}
TEST_F(tls, poll_wait_split)
{
struct pollfd fd = { 0, 0, 0 };
char send_mem[20] = {};
char recv_mem[15];
fd.fd = self->cfd;
fd.events = POLLIN;
/* Send 20 bytes */
EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0),
sizeof(send_mem));
/* Poll with inf. timeout */
EXPECT_EQ(poll(&fd, 1, -1), 1);
EXPECT_EQ(fd.revents & POLLIN, 1);
EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL),
sizeof(recv_mem));
/* Now the remaining 5 bytes of record data are in TLS ULP */
fd.fd = self->cfd;
fd.events = POLLIN;
EXPECT_EQ(poll(&fd, 1, -1), 1);
EXPECT_EQ(fd.revents & POLLIN, 1);
EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0),
sizeof(send_mem) - sizeof(recv_mem));
}
TEST_F(tls, blocking)
{
size_t data = 100000;