ss: display advertised TCP receive window and out-of-order counter

these members of TCP_INFO have been included in v5.4.

tested with:
 # ss -nti

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David Ahern <dsahern@kernel.org>

diff --git a/misc/ss.c b/misc/ss.c
index f7d369142d938ab50f5271ef8dd7f93347022d74..5e7e84ee819ee448ee716d86443fafa73acaf163 100644 (file)
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -854,6 +854,8 @@ struct tcpstat {
        unsigned int        reord_seen;
        double              rcv_rtt;
        double              min_rtt;
+       unsigned int        rcv_ooopack;
+       unsigned int        snd_wnd;
        int                 rcv_space;
        unsigned int        rcv_ssthresh;
        unsigned long long  busy_time;
@@ -2654,6 +2656,10 @@ static void tcp_stats_print(struct tcpstat *s)
                out(" notsent:%u", s->not_sent);
        if (s->min_rtt)
                out(" minrtt:%g", s->min_rtt);
+       if (s->rcv_ooopack)
+               out(" rcv_ooopack:%u", s->rcv_ooopack);
+       if (s->snd_wnd)
+               out(" snd_wnd:%u", s->snd_wnd);
 }
 
 static void tcp_timer_print(struct tcpstat *s)
@@ -3088,6 +3094,8 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
                s.reord_seen = info->tcpi_reord_seen;
                s.bytes_sent = info->tcpi_bytes_sent;
                s.bytes_retrans = info->tcpi_bytes_retrans;
+               s.rcv_ooopack = info->tcpi_rcv_ooopack;
+               s.snd_wnd = info->tcpi_snd_wnd;
                tcp_stats_print(&s);
                free(s.dctcp);
                free(s.bbr_info);