Re: [PATCH nft 0/6] ruleset tracing

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Patrick McHardy <kaber@xxxxxxxxx> wrote:
> On 24.04, Patrick McHardy wrote:
> > On 25.04, Florian Westphal wrote:
> > > Patrick McHardy <kaber@xxxxxxxxx> wrote:
> > > > The following patches contain the latest version of the ruleset tracing
> > > > functionality.
> > > > I consider this patchset complete. Testing and comments welcome.
> > > 
> > > Seems it doesn't work with inet table, I get segfault in expr_print
> > > (EXPR_VALUE expr with expr->dtype == NULL).
> > > 
> > > Callchain that produces this expression is:
> > > 
> > > trace_gen_stmts -> payload_expr_expand -> payload_expr_alloc
> > > 
> > > desc argument to payload_expr_alloc is the inet one, which
> > > has no template for types != 0, so tmpl->dtype that gets passed
> > > to expr_alloc is NULL.
> > 
> > Thanks, I'll look into that.
> > 
> > > Works fine without inet table. Only "problem" I found is that
> > > nft displays the ether addr reversed vs. what 'ip link' shows,
> > > i.e. if ip link says 1:2:3:4:5:6 nft shows 6:5:4:3:2:1.
> > > 
> > > I'll do more tests tomorrow and will double check that its not
> > > a kernel bug.
> > 
> > That's just a missing byte order conversion, I've fixed it locally.
> 
> This patch should fix both issues.

It does, thanks!

Seems to work fine now, only missing enhancement would be to add new
rules to the cache; currently when nft monitor is running it
will print out a added rules, but they are not printed out in new trace
events (restarting the nft monitor process works fine).
--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Netfitler Users]     [LARTC]     [Bugtraq]     [Yosemite Forum]

  Powered by Linux