X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlib%2Fbuffer_node.h;h=d2bd32f985a855a0720430aaf4a59e68f91bae16;hb=df6d986f81f89ed46288ab508485700b4ed7dca1;hp=1c4f4e7eea79c307d9f58aa07c28e163f7ad1161;hpb=8c3f8a29374deed5a67a5fd084f186413f6183d7;p=vpp.git diff --git a/src/vlib/buffer_node.h b/src/vlib/buffer_node.h index 1c4f4e7eea7..d2bd32f985a 100644 --- a/src/vlib/buffer_node.h +++ b/src/vlib/buffer_node.h @@ -69,6 +69,8 @@ #define vlib_validate_buffer_enqueue_x2(vm,node,next_index,to_next,n_left_to_next,bi0,bi1,next0,next1) \ do { \ + ASSERT (bi0 != 0); \ + ASSERT (bi1 != 0); \ int enqueue_code = (next0 != next_index) + 2*(next1 != next_index); \ \ if (PREDICT_FALSE (enqueue_code != 0)) \ @@ -137,6 +139,10 @@ do { \ #define vlib_validate_buffer_enqueue_x4(vm,node,next_index,to_next,n_left_to_next,bi0,bi1,bi2,bi3,next0,next1,next2,next3) \ do { \ + ASSERT (bi0 != 0); \ + ASSERT (bi1 != 0); \ + ASSERT (bi2 != 0); \ + ASSERT (bi3 != 0); \ /* After the fact: check the [speculative] enqueue to "next" */ \ u32 fix_speculation = (next_index ^ next0) | (next_index ^ next1) \ | (next_index ^ next2) | (next_index ^ next3); \ @@ -217,6 +223,7 @@ do { \ */ #define vlib_validate_buffer_enqueue_x1(vm,node,next_index,to_next,n_left_to_next,bi0,next0) \ do { \ + ASSERT (bi0 != 0); \ if (PREDICT_FALSE (next0 != next_index)) \ { \ vlib_put_next_frame (vm, node, next_index, n_left_to_next + 1); \ @@ -332,115 +339,30 @@ static_always_inline void vlib_buffer_enqueue_to_next (vlib_main_t * vm, vlib_node_runtime_t * node, u32 * buffers, u16 * nexts, uword count) { - u32 *to_next, n_left_to_next, max; - u16 next_index; - - next_index = nexts[0]; - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - max = clib_min (n_left_to_next, count); - - while (count) - { - u32 n_enqueued; - if ((nexts[0] != next_index) || n_left_to_next == 0) - { - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - next_index = nexts[0]; - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - max = clib_min (n_left_to_next, count); - } -#if defined(CLIB_HAVE_VEC512) - u16x32 next32 = u16x32_load_unaligned (nexts); - next32 = (next32 == u16x32_splat (next32[0])); - u64 bitmap = u16x32_msb_mask (next32); - n_enqueued = count_trailing_zeros (~bitmap); -#elif defined(CLIB_HAVE_VEC256) - u16x16 next16 = u16x16_load_unaligned (nexts); - next16 = (next16 == u16x16_splat (next16[0])); - u64 bitmap = u8x32_msb_mask ((u8x32) next16); - n_enqueued = count_trailing_zeros (~bitmap) / 2; -#elif defined(CLIB_HAVE_VEC128) - u16x8 next8 = u16x8_load_unaligned (nexts); - next8 = (next8 == u16x8_splat (next8[0])); - u64 bitmap = u8x16_msb_mask ((u8x16) next8); - n_enqueued = count_trailing_zeros (~bitmap) / 2; -#else - u16 x = 0; - x |= next_index ^ nexts[1]; - x |= next_index ^ nexts[2]; - x |= next_index ^ nexts[3]; - n_enqueued = (x == 0) ? 4 : 1; -#endif - - if (PREDICT_FALSE (n_enqueued > max)) - n_enqueued = max; - -#ifdef CLIB_HAVE_VEC512 - if (n_enqueued >= 32) - { - clib_memcpy (to_next, buffers, 32 * sizeof (u32)); - nexts += 32; - to_next += 32; - buffers += 32; - n_left_to_next -= 32; - count -= 32; - max -= 32; - continue; - } -#endif - -#ifdef CLIB_HAVE_VEC256 - if (n_enqueued >= 16) - { - clib_memcpy (to_next, buffers, 16 * sizeof (u32)); - nexts += 16; - to_next += 16; - buffers += 16; - n_left_to_next -= 16; - count -= 16; - max -= 16; - continue; - } -#endif - -#ifdef CLIB_HAVE_VEC128 - if (n_enqueued >= 8) - { - clib_memcpy (to_next, buffers, 8 * sizeof (u32)); - nexts += 8; - to_next += 8; - buffers += 8; - n_left_to_next -= 8; - count -= 8; - max -= 8; - continue; - } -#endif - - if (n_enqueued >= 4) - { - clib_memcpy (to_next, buffers, 4 * sizeof (u32)); - nexts += 4; - to_next += 4; - buffers += 4; - n_left_to_next -= 4; - count -= 4; - max -= 4; - continue; - } + vlib_buffer_enqueue_to_next_fn_t *fn; + fn = vlib_buffer_func_main.buffer_enqueue_to_next_fn; + (fn) (vm, node, buffers, nexts, count); +} - /* copy */ - to_next[0] = buffers[0]; +static_always_inline void +vlib_buffer_enqueue_to_single_next (vlib_main_t * vm, + vlib_node_runtime_t * node, u32 * buffers, + u16 next_index, u32 count) +{ + vlib_buffer_enqueue_to_single_next_fn_t *fn; + fn = vlib_buffer_func_main.buffer_enqueue_to_single_next_fn; + (fn) (vm, node, buffers, next_index, count); +} - /* next */ - nexts += 1; - to_next += 1; - buffers += 1; - n_left_to_next -= 1; - count -= 1; - max -= 1; - } - vlib_put_next_frame (vm, node, next_index, n_left_to_next); +static_always_inline u32 +vlib_buffer_enqueue_to_thread (vlib_main_t * vm, u32 frame_queue_index, + u32 * buffer_indices, u16 * thread_indices, + u32 n_packets, int drop_on_congestion) +{ + vlib_buffer_enqueue_to_thread_fn_t *fn; + fn = vlib_buffer_func_main.buffer_enqueue_to_thread_fn; + return (fn) (vm, frame_queue_index, buffer_indices, thread_indices, + n_packets, drop_on_congestion); } #endif /* included_vlib_buffer_node_h */