diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/l2/l2_patch.c | 72 |
1 files changed, 54 insertions, 18 deletions
diff --git a/src/vnet/l2/l2_patch.c b/src/vnet/l2/l2_patch.c index ff3d2f3a6af..83e14a79ebb 100644 --- a/src/vnet/l2/l2_patch.c +++ b/src/vnet/l2/l2_patch.c @@ -98,51 +98,70 @@ l2_patch_node_fn (vlib_main_t * vm, vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - while (n_left_from >= 4 && n_left_to_next >= 2) + while (n_left_from >= 8 && n_left_to_next >= 4) { - u32 bi0, bi1; - vlib_buffer_t *b0, *b1; - u32 next0, next1; - u32 sw_if_index0, sw_if_index1; + u32 bi0, bi1, bi2, bi3; + vlib_buffer_t *b0, *b1, *b2, *b3; + u32 next0, next1, next2, next3; + u32 sw_if_index0, sw_if_index1, sw_if_index2, sw_if_index3; /* Prefetch next iteration. */ { - vlib_buffer_t *p2, *p3; + vlib_buffer_t *p4, *p5, *p6, *p7; - p2 = vlib_get_buffer (vm, from[2]); - p3 = vlib_get_buffer (vm, from[3]); + p4 = vlib_get_buffer (vm, from[4]); + p5 = vlib_get_buffer (vm, from[5]); + p6 = vlib_get_buffer (vm, from[6]); + p7 = vlib_get_buffer (vm, from[7]); - vlib_prefetch_buffer_header (p2, LOAD); - vlib_prefetch_buffer_header (p3, LOAD); - - /* So stupid / simple, we don't need to prefetch data */ + vlib_prefetch_buffer_header (p4, LOAD); + vlib_prefetch_buffer_header (p5, LOAD); + vlib_prefetch_buffer_header (p6, LOAD); + vlib_prefetch_buffer_header (p7, LOAD); } /* speculatively enqueue b0 and b1 to the current next frame */ to_next[0] = bi0 = from[0]; to_next[1] = bi1 = from[1]; - from += 2; - to_next += 2; - n_left_from -= 2; - n_left_to_next -= 2; + to_next[2] = bi2 = from[2]; + to_next[3] = bi3 = from[3]; + from += 4; + to_next += 4; + n_left_from -= 4; + n_left_to_next -= 4; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); + b2 = vlib_get_buffer (vm, bi2); + b3 = vlib_get_buffer (vm, bi3); sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; + sw_if_index2 = vnet_buffer (b2)->sw_if_index[VLIB_RX]; + sw_if_index3 = vnet_buffer (b3)->sw_if_index[VLIB_RX]; ASSERT (l2pm->tx_next_by_rx_sw_if_index[sw_if_index0] != ~0); ASSERT (l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0] != ~0); ASSERT (l2pm->tx_next_by_rx_sw_if_index[sw_if_index1] != ~0); ASSERT (l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index1] != ~0); + ASSERT (l2pm->tx_next_by_rx_sw_if_index[sw_if_index2] != ~0); + ASSERT (l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index2] != ~0); + ASSERT (l2pm->tx_next_by_rx_sw_if_index[sw_if_index3] != ~0); + ASSERT (l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index3] != ~0); next0 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index0]; next1 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index1]; + next2 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index2]; + next3 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index3]; + vnet_buffer (b0)->sw_if_index[VLIB_TX] = l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0]; vnet_buffer (b1)->sw_if_index[VLIB_TX] = l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index1]; + vnet_buffer (b2)->sw_if_index[VLIB_TX] = + l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index2]; + vnet_buffer (b3)->sw_if_index[VLIB_TX] = + l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index3]; if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) { @@ -162,12 +181,29 @@ l2_patch_node_fn (vlib_main_t * vm, t->tx_sw_if_index = l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index1]; } + if (b2->flags & VLIB_BUFFER_IS_TRACED) + { + l2_patch_trace_t *t = + vlib_add_trace (vm, node, b2, sizeof (*t)); + t->rx_sw_if_index = sw_if_index2; + t->tx_sw_if_index = + l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index2]; + } + if (b3->flags & VLIB_BUFFER_IS_TRACED) + { + l2_patch_trace_t *t = + vlib_add_trace (vm, node, b3, sizeof (*t)); + t->rx_sw_if_index = sw_if_index3; + t->tx_sw_if_index = + l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index3]; + } } /* verify speculative enqueues, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x2 (vm, node, next_index, + vlib_validate_buffer_enqueue_x4 (vm, node, next_index, to_next, n_left_to_next, - bi0, bi1, next0, next1); + bi0, bi1, bi2, bi3, + next0, next1, next2, next3); } while (n_left_from > 0 && n_left_to_next > 0) |