diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/nat/nat44_classify.c | 100 |
1 files changed, 16 insertions, 84 deletions
diff --git a/src/plugins/nat/nat44_classify.c b/src/plugins/nat/nat44_classify.c index f339770d8f5..f1c80aab98b 100644 --- a/src/plugins/nat/nat44_classify.c +++ b/src/plugins/nat/nat44_classify.c @@ -85,7 +85,6 @@ nat44_classify_node_fn_inline (vlib_main_t * vm, snat_main_t *sm = &snat_main; snat_static_mapping_t *m; u32 *fragments_to_drop = 0; - u32 *fragments_to_loopback = 0; u32 next_in2out = 0, next_out2in = 0, frag_cached = 0; from = vlib_frame_vector_args (frame); @@ -107,7 +106,6 @@ nat44_classify_node_fn_inline (vlib_main_t * vm, snat_address_t *ap; snat_session_key_t m_key0; clib_bihash_kv_8_8_t kv0, value0; - u8 cached0 = 0; /* speculatively enqueue b0 to the current next frame */ bi0 = from[0]; @@ -166,48 +164,17 @@ nat44_classify_node_fn_inline (vlib_main_t * vm, { nat44_classify_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); - t->cached = cached0; - if (!cached0) - t->next_in2out = next0 == NAT44_CLASSIFY_NEXT_IN2OUT ? 1 : 0; + t->cached = 0; + t->next_in2out = next0 == NAT44_CLASSIFY_NEXT_IN2OUT ? 1 : 0; } - if (cached0) - { - n_left_to_next++; - to_next--; - frag_cached++; - } - else - { - next_in2out += next0 == NAT44_CLASSIFY_NEXT_IN2OUT; - next_out2in += next0 == NAT44_CLASSIFY_NEXT_OUT2IN; + next_in2out += next0 == NAT44_CLASSIFY_NEXT_IN2OUT; + next_out2in += next0 == NAT44_CLASSIFY_NEXT_OUT2IN; - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - if (n_left_from == 0 && vec_len (fragments_to_loopback)) - { - from = vlib_frame_vector_args (frame); - u32 len = vec_len (fragments_to_loopback); - if (len <= VLIB_FRAME_SIZE) - { - clib_memcpy_fast (from, fragments_to_loopback, - sizeof (u32) * len); - n_left_from = len; - vec_reset_length (fragments_to_loopback); - } - else - { - clib_memcpy_fast (from, fragments_to_loopback + - (len - VLIB_FRAME_SIZE), - sizeof (u32) * VLIB_FRAME_SIZE); - n_left_from = VLIB_FRAME_SIZE; - _vec_len (fragments_to_loopback) = len - VLIB_FRAME_SIZE; - } - } + /* verify speculative enqueue, maybe switch current next frame */ + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, + to_next, n_left_to_next, + bi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); @@ -240,7 +207,6 @@ nat44_ed_classify_node_fn_inline (vlib_main_t * vm, u32 thread_index = vm->thread_index; snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index]; u32 *fragments_to_drop = 0; - u32 *fragments_to_loopback = 0; u32 next_in2out = 0, next_out2in = 0, frag_cached = 0; u8 in_loopback = 0; @@ -265,7 +231,6 @@ nat44_ed_classify_node_fn_inline (vlib_main_t * vm, snat_session_key_t m_key0; clib_bihash_kv_8_8_t kv0, value0; clib_bihash_kv_16_8_t ed_kv0, ed_value0; - u8 cached0 = 0; /* speculatively enqueue b0 to the current next frame */ bi0 = from[0]; @@ -351,50 +316,17 @@ nat44_ed_classify_node_fn_inline (vlib_main_t * vm, { nat44_classify_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); - t->cached = cached0; - if (!cached0) - t->next_in2out = - next0 == NAT_NEXT_IN2OUT_ED_FAST_PATH ? 1 : 0; + t->cached = 0; + t->next_in2out = next0 == NAT_NEXT_IN2OUT_ED_FAST_PATH ? 1 : 0; } - if (cached0) - { - n_left_to_next++; - to_next--; - frag_cached++; - } - else - { - next_in2out += next0 == NAT_NEXT_IN2OUT_ED_FAST_PATH; - next_out2in += next0 == NAT_NEXT_OUT2IN_ED_FAST_PATH; + next_in2out += next0 == NAT_NEXT_IN2OUT_ED_FAST_PATH; + next_out2in += next0 == NAT_NEXT_OUT2IN_ED_FAST_PATH; - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - if (n_left_from == 0 && vec_len (fragments_to_loopback)) - { - in_loopback = 1; - from = vlib_frame_vector_args (frame); - u32 len = vec_len (fragments_to_loopback); - if (len <= VLIB_FRAME_SIZE) - { - clib_memcpy_fast (from, fragments_to_loopback, - sizeof (u32) * len); - n_left_from = len; - vec_reset_length (fragments_to_loopback); - } - else - { - clib_memcpy_fast (from, fragments_to_loopback + - (len - VLIB_FRAME_SIZE), - sizeof (u32) * VLIB_FRAME_SIZE); - n_left_from = VLIB_FRAME_SIZE; - _vec_len (fragments_to_loopback) = len - VLIB_FRAME_SIZE; - } - } + /* verify speculative enqueue, maybe switch current next frame */ + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, + to_next, n_left_to_next, + bi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); |