K 10
svn:author
V 7
glebius
K 8
svn:date
V 27
2005-11-03T12:02:10.000000Z
K 7
svn:log
V 1285
Several fixes to ARP and route locking, that were done during 6.0 release
cycle, and are also applicable to RELENG_5:

  o Make rt_check() return a locked rtentry.
  o Make rt_check() function more strict:
    - rt0 passed to rt_check() must not be NULL, assert this.
    - rt returned by rt_check() must be valid locked rtentry,
      if no error occured.
  o Modify callers, so that they never pass NULL rt0
    to rt_check().
  o Modify callers, so that they unlock rtentry.

  o Fix races in ARP code. See if_ether.c 1.139 for more information.
  o Fix LORs in ARP code. See if_ether.c 1.141 for more information.

  o Lock rtentry before dropping radix lock.

  o Send published ARP replies only on correct interface. [1]

  o Drop rtentry lock before calling rt_getifa(). [2]

  o Fixes to rt_setgate():
    - To avoid recursive rtentry locking.
    - Do not change routes in case of failure.
    - Return EADDRINUSE instead of bogus EDQUOT [3]

Revisions merged:
  net/if_atmsubr.c	- 1.39, 1.41
  net/if_fwsubr.c	- 1.13, 1.15
  net/if_iso88025subr.c	- 1.69, 1.71
  net/route.c		- 1.110, 1.111, 1.113
  net/rtsock.c		- 1.110, 1.111, 1.126, 1.130
  netinet6/nd6.c	- 1.51-1.53
  netinet/if_ether.c	- 1.139, 1.140, 1.141

PR:		kern/75634 [1]
PR:		kern/69356 [2]
PR:		kern/64090 [3]

END