>
> Hi Konstantin,
>
> Thank you for your questions. Please find below a sample of my code:
>
> After the program has started, I send sighup signals to update the acl
> context, like this:
>
> if (signup == SIGHUP)
> use_acl_ctx_swap = 1;
> ...
> During the SIGHUP processes I create a new/swap acl ctx and data structures
> using the app_acl_init, add_rules and setup_acl
> functions
Ok, so you do that inside your signal handler, correct?
Do you synchronize this context updates with your data-processing threads
somehow?
Konstantin
> ...
>
> main_loop()
> ...
> if (use_acl_ctx_swap) {
> if (acl_search.num_ipv4) {
> rte_acl_classify(
> acl_config.swap_acx_ipv4[socketid], //use swap acl ctx
> acl_search.data_ipv4,
> acl_search.res_ipv4,
> acl_search.num_ipv4,
> DEFAULT_MAX_CATEGORIES);
>
> send_packets(acl_search.m_ipv4,
> acl_search.res_ipv4,
> acl_search.num_ipv4);
>
> } else {
> if (acl_search.num_ipv4) {
> rte_acl_classify(
> acl_config.acx_ipv4[socketid],
> acl_search.data_ipv4,
> acl_search.res_ipv4,
> acl_search.num_ipv4,
> DEFAULT_MAX_CATEGORIES);
>
> send_packets(acl_search.m_ipv4,
> acl_search.res_ipv4,
> acl_search.num_ipv4);
> }
> }
>
> When I update the acl ctx, rarely the program doesn't crash, mainly when I
> just increase de rules. Is there a another way to add
> new/remove rules in the acl ctx instead of sighup or control variables?
>
> thanks
> Victor
>
> On Mon, Mar 27, 2017 at 6:23 AM, Ananyev, Konstantin
> <konstantin.anan...@intel.com> wrote:
> Hi Victor,
>
> > hello,
> >
> > I'm running l3fwd-acl example as a daemon and trying to update acl context
> > with as a "swap" acl context, but the program stops with a segment fault
> > statement. Even using variables to direct which acl context the main loop
> > has to use, the program breaks.
> >
> > I have noticed that even when I update only the swap acl context, the acl
> > structures are updated and the segment fault also happens.
> >
> > please, someone knows why this segment fault?
>
> As I remembers, l3fwd-acl doesn't support updating ACL ctx on the fly.
> Could you explain a bit more what are you trying to do, or even better
> provide some code example to reproduce the issue?
>
> Konstantin
