diff options
author | Damjan Marion <dmarion@me.com> | 2022-09-14 17:40:24 +0200 |
---|---|---|
committer | Dave Wallace <dwallacelf@gmail.com> | 2022-10-12 16:55:52 +0000 |
commit | 42ed836fbdaa703f743098e93565ce0f2fa49977 (patch) | |
tree | 74cfb5e79a9088221fe88ecbac72dbdd14079eb6 /src/vnet/ip/reass/ip4_full_reass.c | |
parent | dd298e804a25dbebc9e284b3b2d0dfd9bf674ad8 (diff) |
ip: simpler and faster ip4_full_reass_drop_all
Type: improvement
Change-Id: I4a75583ce718ba6466cd09ca8373fd43988ef62a
Signed-off-by: Damjan Marion <dmarion@me.com>
Diffstat (limited to 'src/vnet/ip/reass/ip4_full_reass.c')
-rw-r--r-- | src/vnet/ip/reass/ip4_full_reass.c | 60 |
1 files changed, 19 insertions, 41 deletions
diff --git a/src/vnet/ip/reass/ip4_full_reass.c b/src/vnet/ip/reass/ip4_full_reass.c index fca96aff0d6..b009a6c4338 100644 --- a/src/vnet/ip/reass/ip4_full_reass.c +++ b/src/vnet/ip/reass/ip4_full_reass.c @@ -427,8 +427,7 @@ ip4_full_reass_free (ip4_full_reass_main_t * rm, * with local variables would cause either buffer leak or corruption */ always_inline void ip4_full_reass_drop_all (vlib_main_t *vm, vlib_node_runtime_t *node, - ip4_full_reass_t *reass, u32 *n_left_to_next, - u32 **to_next) + ip4_full_reass_t *reass) { u32 range_bi = reass->first_bi; vlib_buffer_t *range_b; @@ -452,40 +451,23 @@ ip4_full_reass_drop_all (vlib_main_t *vm, vlib_node_runtime_t *node, if (~0 != reass->error_next_index && reass->error_next_index < node->n_next_nodes) { - u32 next_index; - - next_index = reass->error_next_index; - u32 bi = ~0; + u32 n_free = vec_len (to_free); /* record number of packets sent to custom app */ vlib_node_increment_counter (vm, node->node_index, - IP4_ERROR_REASS_TO_CUSTOM_APP, - vec_len (to_free)); - - while (vec_len (to_free) > 0) - { - vlib_get_next_frame (vm, node, next_index, *to_next, - (*n_left_to_next)); + IP4_ERROR_REASS_TO_CUSTOM_APP, n_free); - while (vec_len (to_free) > 0 && (*n_left_to_next) > 0) - { - bi = vec_pop (to_free); + if (node->flags & VLIB_NODE_FLAG_TRACE) + for (u32 i = 0; i < n_free; i++) + { + vlib_buffer_t *b = vlib_get_buffer (vm, to_free[i]); + if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED)) + ip4_full_reass_add_trace (vm, node, reass, to_free[i], + RANGE_DISCARD, 0, ~0); + } - if (~0 != bi) - { - vlib_buffer_t *b = vlib_get_buffer (vm, bi); - if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED)) - { - ip4_full_reass_add_trace (vm, node, reass, bi, - RANGE_DISCARD, 0, ~0); - } - *to_next[0] = bi; - (*to_next) += 1; - (*n_left_to_next) -= 1; - } - } - vlib_put_next_frame (vm, node, next_index, (*n_left_to_next)); - } + vlib_buffer_enqueue_to_single_next (vm, node, to_free, + reass->error_next_index, n_free); } else { @@ -564,8 +546,7 @@ always_inline ip4_full_reass_t * ip4_full_reass_find_or_create (vlib_main_t *vm, vlib_node_runtime_t *node, ip4_full_reass_main_t *rm, ip4_full_reass_per_thread_t *rt, - ip4_full_reass_kv_t *kv, u8 *do_handoff, - u32 *n_left_to_next, u32 **to_next) + ip4_full_reass_kv_t *kv, u8 *do_handoff) { ip4_full_reass_t *reass; f64 now; @@ -590,7 +571,7 @@ again: { vlib_node_increment_counter (vm, node->node_index, IP4_ERROR_REASS_TIMEOUT, 1); - ip4_full_reass_drop_all (vm, node, reass, n_left_to_next, to_next); + ip4_full_reass_drop_all (vm, node, reass); ip4_full_reass_free (rm, rt, reass); reass = NULL; } @@ -1257,8 +1238,8 @@ ip4_full_reass_inline (vlib_main_t *vm, vlib_node_runtime_t *node, }; u8 do_handoff = 0; - ip4_full_reass_t *reass = ip4_full_reass_find_or_create ( - vm, node, rm, rt, &kv, &do_handoff, &n_left_to_next, &to_next); + ip4_full_reass_t *reass = + ip4_full_reass_find_or_create (vm, node, rm, rt, &kv, &do_handoff); if (reass) { @@ -1316,8 +1297,7 @@ ip4_full_reass_inline (vlib_main_t *vm, vlib_node_runtime_t *node, { vlib_node_increment_counter (vm, node->node_index, counter, 1); - ip4_full_reass_drop_all (vm, node, reass, &n_left_to_next, - &to_next); + ip4_full_reass_drop_all (vm, node, reass); ip4_full_reass_free (rm, rt, reass); goto next_packet; } @@ -1686,7 +1666,6 @@ ip4_full_reass_walk_expired (vlib_main_t *vm, vlib_node_runtime_t *node, uword thread_index = 0; int index; const uword nthreads = vlib_num_workers () + 1; - u32 n_left_to_next, *to_next; for (thread_index = 0; thread_index < nthreads; ++thread_index) { @@ -1732,8 +1711,7 @@ ip4_full_reass_walk_expired (vlib_main_t *vm, vlib_node_runtime_t *node, vec_foreach (i, pool_indexes_to_free) { ip4_full_reass_t *reass = pool_elt_at_index (rt->pool, i[0]); - ip4_full_reass_drop_all (vm, node, reass, &n_left_to_next, - &to_next); + ip4_full_reass_drop_all (vm, node, reass); ip4_full_reass_free (rm, rt, reass); } |