Hello Kristian,
On 02/19/2014 06:51 PM, Kristian Kielhofner wrote:
It seems that with modparam("nathelper", "ping_nated_only", 0) set my
configuration should work without always also setting nat_bflag (as
that is used in various other places currently).
Seemingly, yes. From nh_timer:
rval = ul.get_all_ucontacts(buf, cblen,
(ping_nated_only?ul.nat_flag:0),
((unsigned int)(unsigned
long)timer_idx)*natping_interval+iteration,
natping_processes*natping_interval);
The implication being that if ping_nated_only is < 1, contacts to ping
are not filtered by the usrloc NAT flag. It did strike me as interesting
that the usrloc API field is called 'nat_flag', but the usrloc modparam
is called 'nat_bflag', but usrloc.c clearly reveals that they are one
and the same:
unsigned int nat_flag; /*! nat_flag module parameter */
api->nat_flag = nat_bflag;
And the filter in get_all_mem_ucontacts() does apply the flags argument:
if ((c->cflags & flags) != flags)
continue;
But it seems to me that it might not match if there are any other UL
flags set besides the nat_bflag, e.g.
#define POWPOW (1 << 1)
#define PINGPONG (1 << 2)
int flags = 0;
flags |= PINGPONG;
if((flags & POWPOW) != POWPOW)
printf("Problem?\n");
sasha@tambourine:~$ ./ns
Problem?
Are there other UL contact flags that could be in use here and breaking
this comparison in get_all_mem_ucontacts()?
--
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
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