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2019-05-16init / exit function orderingDave Barach1-1/+6
The vlib init function subsystem now supports a mix of procedural and formally-specified ordering constraints. We should eliminate procedural knowledge wherever possible. The following schemes are *roughly* equivalent: static clib_error_t *init_runs_first (vlib_main_t *vm) { clib_error_t *error; ... do some stuff... if ((error = vlib_call_init_function (init_runs_next))) return error; ... } VLIB_INIT_FUNCTION (init_runs_first); and static clib_error_t *init_runs_first (vlib_main_t *vm) { ... do some stuff... } VLIB_INIT_FUNCTION (init_runs_first) = { .runs_before = VLIB_INITS("init_runs_next"), }; The first form will [most likely] call "init_runs_next" on the spot. The second form means that "init_runs_first" runs before "init_runs_next," possibly much earlier in the sequence. Please DO NOT construct sets of init functions where A before B actually means A *right before* B. It's not necessary - simply combine A and B - and it leads to hugely annoying debugging exercises when trying to switch from ad-hoc procedural ordering constraints to formal ordering constraints. Change-Id: I5e4353503bf43b4acb11a45fb33c79a5ade8426c Signed-off-by: Dave Barach <dave@barachs.net>
2019-03-01Fix API return code in case of error.Igor Mikhailov (imichail)1-1/+1
Change-Id: I22f866bacbc9c6e3abb0405f5c5a205910cec17b Signed-off-by: Igor Mikhailov (imichail) <imichail@cisco.com>
2018-10-25Use correct name to register ABF plugin with ACLsNeale Ranns1-1/+1
Change-Id: Ic69a68665dcff4e4d48803b634aa2cf234c3944b Signed-off-by: Neale Ranns <nranns@cisco.com>
2018-09-24Trivial: Clean up some typos.Paul Vinciguerra1-8/+8
Change-Id: I085615fde1f966490f30ed5d32017b8b088cfd59 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2018-07-19Remove unused argument to vlib_feature_nextDamjan Marion1-1/+1
Change-Id: Ieb8b53977fc8484c19780941e232ee072b667de3 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-06-20acl-plugin: acl-as-a-service: VPP-1248: fix the error if exports.h included ↵Andrew Yourtchenko1-12/+29
in more than one C file Including the exports.h from multiple .c files belonging to a single plugin results in an error. Rework the approach to require the table of function pointers to be filled in by the initialization function. Since the inline functions are compiled in the "caller" context, there is no knowledge about the acl_main structure used by the ACL plugin. To help with that, the signature of inline functions is slightly different, taking the p_acl_main pointer as the first parameter. That pointer is filled into the .p_acl_main field of the method table during the initialization - since the calling of non-inline variants would have required filling the method table, this should give minimal headaches during the use and switch between the two methods. Change-Id: Icb70695efa23579c46c716944838766cebc8573e Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2018-04-17ACL based forwardingAndrew Yourtchenko1-0/+758
A poor man's flow switching or policy based rounting. An ACL is used to match packets and is associated with a [set of] forwarding paths that determine how to forward matched packets - collectively this association is a 'policy'. Policies are then 'attached', in a priority order, to an interface when thaey are encountered as an input feature. If a packet matches no policies it is forwarded normally in the IP FIB. This commit is used to test the "ACL-as-a-service" functionality, which currently compiles, and the existing traffic ACL tests pass in both hash and linear modes. Change-Id: I0b274ec9f2e645352fa898b43eb54c457e195964 Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com> Signed-off-by: Ole Troan <ot@cisco.com>