[Bug 190281] netstat -s -i only shows ip6 statistics

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190281

Marie Helene Kvello-Aune <marieheleneka at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |marieheleneka at gmail.com

--- Comment #3 from Marie Helene Kvello-Aune <marieheleneka at gmail.com> ---
I decided to look at this today, and to my surprise, I found that netstat
doesn't implement per-interface statistics for IPv4 at all.

In usr.bin/netstat/main.c, line 105-106:
{ N_RIPCBINFO,  N_IPSTAT,       1,      protopr,
  ip_stats,     NULL,           "ip",   1,      IPPROTO_RAW },

The 6th argument is supposed to be the function which prints per-interface
statistics.

The equivelant lines for IPv6 (line 141-142):
{ N_RIPCBINFO,  N_IP6STAT,      1,      protopr,
  ip6_stats,    ip6_ifstats,    "ip6",  1,      IPPROTO_RAW },

ip6_stats and ip6_ifstats are implemented in usr.bin/netstat/inet6.c.
ip_stats (but no ip_ifstats) is implemented in usr.bin/netstat/inet.c.

tl;dr: someone has to implement functions to print the IPv4 information as
well.

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