bz 886b55fe42 Improve ARP logging. ...

r344504 added an extra ARP_LOG() call in case of an if_output() failure.
It turns out IPv4 can be noisy. In order to not spam the console by default:
(a) add a counter for these events so people can keep better track of how
    often it happens, and
(b) add a sysctl to select the default ARP_LOG log level and set it to
    INFO avoiding the one (the new) DEBUG level by default.

Claim a spare (1st one after 10 years since the stats were added) in order
to not break netstat from FreeBSD 12->13 updates in the future.

Reviewed by:		karels
Differential Revision:	https://reviews.freebsd.org/D19490

2019-03-09 01:12:59 +00:00

..

bpf.c

various: general adoption of SPDX licensing ID tags.

2017-11-27 15:37:16 +00:00

if.c

General further adoption of SPDX licensing ID tags.

2017-11-20 19:49:47 +00:00

inet6.c

General further adoption of SPDX licensing ID tags.

2017-11-20 19:49:47 +00:00

inet.c

Improve ARP logging.

2019-03-09 01:12:59 +00:00

ipsec.c

Add a SPD cache to speed up lookups.

2018-05-22 15:54:25 +00:00

main.c

Add the "TCP Blackbox Recorder" which we discussed at the developer

2018-03-22 09:40:08 +00:00

Makefile

…

Makefile.depend

DIRDEPS_BUILD: Update dependencies.

2017-10-31 00:07:04 +00:00

mbuf.c

spdx: initial adoption of licensing ID tags.

2017-11-18 14:26:50 +00:00

mroute6.c

spdx: initial adoption of licensing ID tags.

2017-11-18 14:26:50 +00:00

mroute.c

spdx: initial adoption of licensing ID tags.

2017-11-18 14:26:50 +00:00

netgraph.c

Hide struct socket and struct unpcb from the userland.

2017-10-02 23:29:56 +00:00

netisr.c

various: general adoption of SPDX licensing ID tags.

2017-11-27 15:37:16 +00:00

netstat.1

Bump netstat.1's .Dd after r331347.

2018-03-22 09:43:15 +00:00

netstat.h

Add the "TCP Blackbox Recorder" which we discussed at the developer

2018-03-22 09:40:08 +00:00

nlist_symbols

…

pfkey.c

General further adoption of SPDX licensing ID tags.

2017-11-20 19:49:47 +00:00

route.c

General further adoption of SPDX licensing ID tags.

2017-11-20 19:49:47 +00:00

sctp.c

General further adoption of SPDX licensing ID tags.

2017-11-20 19:49:47 +00:00

unix.c

Use uintptr_t alone when assigning to kvaddr_t variables.

2018-07-10 13:03:06 +00:00