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selftests: mptcp: explicitly tests aggregate counters

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Update the existing sockopt test-case to do some basic checks
on the newly added counters.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/385
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paolo Abeni 2023-06-20 18:30:16 +02:00 committed by Jakub Kicinski
parent 38967f424b
commit 5dcff89e14
1 changed files with 26 additions and 1 deletions
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27
tools/testing/selftests/net/mptcp/mptcp_sockopt.c
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@ -51,6 +51,11 @@ struct mptcp_info {
__u8 mptcpi_local_addr_used;
__u8 mptcpi_local_addr_max;
__u8 mptcpi_csum_enabled;
__u32 mptcpi_retransmits;
__u64 mptcpi_bytes_retrans;
__u64 mptcpi_bytes_sent;
__u64 mptcpi_bytes_received;
__u64 mptcpi_bytes_acked;
};
struct mptcp_subflow_data {
@ -83,8 +88,10 @@ struct mptcp_subflow_addrs {
struct so_state {
struct mptcp_info mi;
struct mptcp_info last_sample;
uint64_t mptcpi_rcv_delta;
uint64_t tcpi_rcv_delta;
bool pkt_stats_avail;
};
#ifndef MIN
@ -322,8 +329,9 @@ static void do_getsockopt_mptcp_info(struct so_state *s, int fd, size_t w)
if (ret < 0)
die_perror("getsockopt MPTCP_INFO");
assert(olen == sizeof(i));
s->pkt_stats_avail = olen >= sizeof(i);
s->last_sample = i;
if (s->mi.mptcpi_write_seq == 0)
s->mi = i;
@ -562,6 +570,23 @@ static void process_one_client(int fd, int pipefd)
do_getsockopts(&s, fd, ret, ret2);
if (s.mptcpi_rcv_delta != (uint64_t)ret + 1)
xerror("mptcpi_rcv_delta %" PRIu64 ", expect %" PRIu64, s.mptcpi_rcv_delta, ret + 1, s.mptcpi_rcv_delta - ret);
/* be nice when running on top of older kernel */
if (s.pkt_stats_avail) {
if (s.last_sample.mptcpi_bytes_sent != ret2)
xerror("mptcpi_bytes_sent %" PRIu64 ", expect %" PRIu64,
s.last_sample.mptcpi_bytes_sent, ret2,
s.last_sample.mptcpi_bytes_sent - ret2);
if (s.last_sample.mptcpi_bytes_received != ret)
xerror("mptcpi_bytes_received %" PRIu64 ", expect %" PRIu64,
s.last_sample.mptcpi_bytes_received, ret,
s.last_sample.mptcpi_bytes_received - ret);
if (s.last_sample.mptcpi_bytes_acked != ret)
xerror("mptcpi_bytes_acked %" PRIu64 ", expect %" PRIu64,
s.last_sample.mptcpi_bytes_acked, ret2,
s.last_sample.mptcpi_bytes_acked - ret2);
}
close(fd);
}