Extend do_rx() to take an expected packet type. Existing callers pass -1 to skip the check.
Signed-off-by: Joe Damato <[email protected]> --- tools/testing/selftests/net/psock_snd.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/net/psock_snd.c b/tools/testing/selftests/net/psock_snd.c index b2593daca603..f23877942ea3 100644 --- a/tools/testing/selftests/net/psock_snd.c +++ b/tools/testing/selftests/net/psock_snd.c @@ -310,10 +310,13 @@ static void check_aux_data(struct cmsghdr *cmsg, int expected_len) error(1, 0, "cmsg tp_snaplen != %u", expected_len); } -static void do_rx(int fd, int expected_len, char *expected, bool is_psock) +/* expected_pkttype < 0 skips the sll_pkttype check. */ +static void do_rx(int fd, int expected_len, char *expected, bool is_psock, + int expected_pkttype) { char cmsg_buf[1024] __attribute__((aligned(8))) = {}; bool aux = is_psock && cfg_aux_data; + struct sockaddr_ll saddr = {}; struct iovec iov = { .iov_base = rbuf, .iov_len = sizeof(rbuf), @@ -328,6 +331,10 @@ static void do_rx(int fd, int expected_len, char *expected, bool is_psock) msg.msg_control = cmsg_buf; msg.msg_controllen = sizeof(cmsg_buf); } + if (is_psock) { + msg.msg_name = &saddr; + msg.msg_namelen = sizeof(saddr); + } ret = recvmsg(fd, &msg, 0); if (ret == -1) @@ -341,6 +348,10 @@ static void do_rx(int fd, int expected_len, char *expected, bool is_psock) if (aux) check_aux_data(CMSG_FIRSTHDR(&msg), expected_len); + if (expected_pkttype >= 0 && saddr.sll_pkttype != expected_pkttype) + error(1, 0, "recv: sll_pkttype %d != %d", + saddr.sll_pkttype, expected_pkttype); + fprintf(stderr, "rx: %u\n", ret); } @@ -492,11 +503,11 @@ static void run_test(void) /* BPF filter accepts only this length, vlan changes MAC */ if (cfg_payload_len == DATA_LEN && !cfg_use_vlan) { do_rx(fds, total_len - sizeof(struct virtio_net_hdr), - tbuf + sizeof(struct virtio_net_hdr), true); + tbuf + sizeof(struct virtio_net_hdr), true, -1); check_packet_stats(fds, 1); } - do_rx(fdr, cfg_payload_len, tbuf + total_len - cfg_payload_len, false); + do_rx(fdr, cfg_payload_len, tbuf + total_len - cfg_payload_len, false, -1); out: if (close(fds)) -- 2.53.0-Meta
