diff options
author | Damjan Marion <damarion@cisco.com> | 2018-09-21 18:11:33 +0200 |
---|---|---|
committer | Damjan Marion <dmarion@me.com> | 2018-09-26 08:11:53 +0000 |
commit | cefe1341c6a536ebe161d97ab6fb10db95e57d05 (patch) | |
tree | 1e5c664f00591459b62ca487434c6fbc96bff586 /src/vnet/bonding | |
parent | f0b42f48b8a1dc582a230b195c855789189ff233 (diff) |
bond: tx perf improvements
Change-Id: I0c3f2add35ad9fc11308b7a2a2c69ffd8472dd2e
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/bonding')
-rw-r--r-- | src/vnet/bonding/cli.c | 1 | ||||
-rw-r--r-- | src/vnet/bonding/device.c | 388 | ||||
-rw-r--r-- | src/vnet/bonding/node.h | 2 |
3 files changed, 172 insertions, 219 deletions
diff --git a/src/vnet/bonding/cli.c b/src/vnet/bonding/cli.c index 83a512ea8bc..ec34b47351e 100644 --- a/src/vnet/bonding/cli.c +++ b/src/vnet/bonding/cli.c @@ -456,7 +456,6 @@ bond_enslave (vlib_main_t * vm, bond_enslave_args_t * args) } pool_get (bm->neighbors, sif); memset (sif, 0, sizeof (*sif)); - clib_spinlock_init (&sif->lockp); sw = pool_elt_at_index (im->sw_interfaces, args->slave); sif->port_enabled = sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP; sif->sw_if_index = sw->sw_if_index; diff --git a/src/vnet/bonding/device.c b/src/vnet/bonding/device.c index 53123dd7c4f..7f9828407fb 100644 --- a/src/vnet/bonding/device.c +++ b/src/vnet/bonding/device.c @@ -64,6 +64,7 @@ format_bond_tx_trace (u8 * s, va_list * args) return s; } +#ifndef CLIB_MARCH_VARIANT u8 * format_bond_interface_name (u8 * s, va_list * args) { @@ -75,6 +76,7 @@ format_bond_interface_name (u8 * s, va_list * args) return s; } +#endif static __clib_unused clib_error_t * bond_set_l2_mode_function (vnet_main_t * vnm, @@ -387,19 +389,17 @@ static bond_load_balance_func_t bond_load_balance_table[] = { #undef _ }; -static uword -bond_tx_fn (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * frame) +VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm, + vlib_node_runtime_t * node, + vlib_frame_t * frame) { vnet_interface_output_runtime_t *rund = (void *) node->runtime_data; bond_main_t *bm = &bond_main; bond_if_t *bif = pool_elt_at_index (bm->interfaces, rund->dev_instance); - u32 bi0, bi1, bi2, bi3; - vlib_buffer_t *b0, *b1, *b2, *b3; + vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; u32 *from = vlib_frame_vector_args (frame); - u32 n_left_from; ethernet_header_t *eth; - u32 port; + u32 port, n_left; u32 sw_if_index, sw_if_index1, sw_if_index2, sw_if_index3; bond_packet_trace_t *t0; uword n_trace = vlib_get_trace_count (vm, node); @@ -422,17 +422,12 @@ bond_tx_fn (vlib_main_t * vm, vlib_node_runtime_t * node, return frame->n_vectors; } - clib_spinlock_lock_if_init (&bif->lockp); + n_left = frame->n_vectors; + vlib_get_buffers (vm, from, bufs, n_left); + slave_count = vec_len (bif->active_slaves); if (PREDICT_FALSE (slave_count == 0)) { - bi0 = from[0]; - b0 = vlib_get_buffer (vm, bi0); - vlib_increment_combined_counter - (vnet_main.interface_main.combined_sw_if_counters - + VNET_INTERFACE_COUNTER_TX, thread_index, bif->sw_if_index, - frame->n_vectors, b0->current_length); - vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors); vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters + VNET_INTERFACE_COUNTER_DROP, @@ -440,247 +435,211 @@ bond_tx_fn (vlib_main_t * vm, vlib_node_runtime_t * node, frame->n_vectors); vlib_error_count (vm, node->node_index, BOND_TX_ERROR_NO_SLAVE, frame->n_vectors); - clib_spinlock_unlock_if_init (&bif->lockp); return frame->n_vectors; } vec_validate_aligned (bif->per_thread_info[thread_index].frame, slave_count, CLIB_CACHE_LINE_BYTES); - /* Number of buffers / pkts */ - n_left_from = frame->n_vectors; - - while (n_left_from > 0) + b = bufs; + while (n_left >= 4) { - while (n_left_from >= 4) - { - u32 next0 = 0, next1 = 0, next2 = 0, next3 = 0; - u32 port0 = 0, port1 = 0, port2 = 0, port3 = 0; + u32 next0 = 0, next1 = 0, next2 = 0, next3 = 0; + u32 port0 = 0, port1 = 0, port2 = 0, port3 = 0; - // Prefetch next iteration - if (n_left_from >= 8) - { - vlib_buffer_t *p4, *p5, *p6, *p7; - - 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 (p4, LOAD); - vlib_prefetch_buffer_header (p5, LOAD); - vlib_prefetch_buffer_header (p6, LOAD); - vlib_prefetch_buffer_header (p7, LOAD); - - CLIB_PREFETCH (p4->data, CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH (p5->data, CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH (p6->data, CLIB_CACHE_LINE_BYTES, LOAD); - CLIB_PREFETCH (p7->data, CLIB_CACHE_LINE_BYTES, LOAD); - } + // Prefetch next iteration + if (n_left >= 8) + { + vlib_buffer_t **pb = b + 4; - bi0 = from[0]; - bi1 = from[1]; - bi2 = from[2]; - bi3 = from[3]; + vlib_prefetch_buffer_header (pb[0], LOAD); + vlib_prefetch_buffer_header (pb[1], LOAD); + vlib_prefetch_buffer_header (pb[2], LOAD); + vlib_prefetch_buffer_header (pb[3], LOAD); - b0 = vlib_get_buffer (vm, bi0); - b1 = vlib_get_buffer (vm, bi1); - b2 = vlib_get_buffer (vm, bi2); - b3 = vlib_get_buffer (vm, bi3); + CLIB_PREFETCH (pb[0]->data, CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (pb[1]->data, CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (pb[2]->data, CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (pb[3]->data, CLIB_CACHE_LINE_BYTES, LOAD); + } - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0); - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1); - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b2); - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b3); + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]); + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[1]); + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[2]); + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[3]); - sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; - sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_TX]; - sw_if_index2 = vnet_buffer (b2)->sw_if_index[VLIB_TX]; - sw_if_index3 = vnet_buffer (b3)->sw_if_index[VLIB_TX]; + sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; + sw_if_index1 = vnet_buffer (b[1])->sw_if_index[VLIB_TX]; + sw_if_index2 = vnet_buffer (b[2])->sw_if_index[VLIB_TX]; + sw_if_index3 = vnet_buffer (b[3])->sw_if_index[VLIB_TX]; - if (PREDICT_TRUE (slave_count != 1)) - { - port0 = - (bond_load_balance_table[bif->lb]).load_balance (vm, node, - bif, b0, - slave_count); - port1 = - (bond_load_balance_table[bif->lb]).load_balance (vm, node, - bif, b1, - slave_count); - port2 = - (bond_load_balance_table[bif->lb]).load_balance (vm, node, - bif, b2, - slave_count); - port3 = - (bond_load_balance_table[bif->lb]).load_balance (vm, node, - bif, b3, - slave_count); - } + if (PREDICT_TRUE (slave_count > 1)) + { + port0 = + (bond_load_balance_table[bif->lb]).load_balance (vm, node, + bif, b[0], + slave_count); + port1 = + (bond_load_balance_table[bif->lb]).load_balance (vm, node, + bif, b[1], + slave_count); + port2 = + (bond_load_balance_table[bif->lb]).load_balance (vm, node, + bif, b[2], + slave_count); + port3 = + (bond_load_balance_table[bif->lb]).load_balance (vm, node, + bif, b[3], + slave_count); + } - sif_if_index = *vec_elt_at_index (bif->active_slaves, port0); - sif_if_index1 = *vec_elt_at_index (bif->active_slaves, port1); - sif_if_index2 = *vec_elt_at_index (bif->active_slaves, port2); - sif_if_index3 = *vec_elt_at_index (bif->active_slaves, port3); - - vnet_buffer (b0)->sw_if_index[VLIB_TX] = sif_if_index; - vnet_buffer (b1)->sw_if_index[VLIB_TX] = sif_if_index1; - vnet_buffer (b2)->sw_if_index[VLIB_TX] = sif_if_index2; - vnet_buffer (b3)->sw_if_index[VLIB_TX] = sif_if_index3; - - if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port0] - == 0))) - bif->per_thread_info[thread_index].frame[port0] = - vnet_get_frame_to_sw_interface (vnm, sif_if_index); - - if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port1] - == 0))) - bif->per_thread_info[thread_index].frame[port1] = - vnet_get_frame_to_sw_interface (vnm, sif_if_index1); - - if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port2] - == 0))) - bif->per_thread_info[thread_index].frame[port2] = - vnet_get_frame_to_sw_interface (vnm, sif_if_index2); - - if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port3] - == 0))) - bif->per_thread_info[thread_index].frame[port3] = - vnet_get_frame_to_sw_interface (vnm, sif_if_index3); - - f = bif->per_thread_info[thread_index].frame[port0]; - to_next = vlib_frame_vector_args (f); - to_next += f->n_vectors; - to_next[0] = vlib_get_buffer_index (vm, b0); - f->n_vectors++; + sif_if_index = *vec_elt_at_index (bif->active_slaves, port0); + sif_if_index1 = *vec_elt_at_index (bif->active_slaves, port1); + sif_if_index2 = *vec_elt_at_index (bif->active_slaves, port2); + sif_if_index3 = *vec_elt_at_index (bif->active_slaves, port3); + + vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sif_if_index; + vnet_buffer (b[1])->sw_if_index[VLIB_TX] = sif_if_index1; + vnet_buffer (b[2])->sw_if_index[VLIB_TX] = sif_if_index2; + vnet_buffer (b[3])->sw_if_index[VLIB_TX] = sif_if_index3; + + if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port0] + == 0))) + bif->per_thread_info[thread_index].frame[port0] = + vnet_get_frame_to_sw_interface (vnm, sif_if_index); + + if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port1] + == 0))) + bif->per_thread_info[thread_index].frame[port1] = + vnet_get_frame_to_sw_interface (vnm, sif_if_index1); + + if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port2] + == 0))) + bif->per_thread_info[thread_index].frame[port2] = + vnet_get_frame_to_sw_interface (vnm, sif_if_index2); + + if (PREDICT_FALSE ((bif->per_thread_info[thread_index].frame[port3] + == 0))) + bif->per_thread_info[thread_index].frame[port3] = + vnet_get_frame_to_sw_interface (vnm, sif_if_index3); + + f = bif->per_thread_info[thread_index].frame[port0]; + to_next = vlib_frame_vector_args (f); + to_next += f->n_vectors; + to_next[0] = vlib_get_buffer_index (vm, b[0]); + f->n_vectors++; - f = bif->per_thread_info[thread_index].frame[port1]; - to_next = vlib_frame_vector_args (f); - to_next += f->n_vectors; - to_next[0] = vlib_get_buffer_index (vm, b1); - f->n_vectors++; + f = bif->per_thread_info[thread_index].frame[port1]; + to_next = vlib_frame_vector_args (f); + to_next += f->n_vectors; + to_next[0] = vlib_get_buffer_index (vm, b[1]); + f->n_vectors++; - f = bif->per_thread_info[thread_index].frame[port2]; - to_next = vlib_frame_vector_args (f); - to_next += f->n_vectors; - to_next[0] = vlib_get_buffer_index (vm, b2); - f->n_vectors++; + f = bif->per_thread_info[thread_index].frame[port2]; + to_next = vlib_frame_vector_args (f); + to_next += f->n_vectors; + to_next[0] = vlib_get_buffer_index (vm, b[2]); + f->n_vectors++; - f = bif->per_thread_info[thread_index].frame[port3]; - to_next = vlib_frame_vector_args (f); - to_next += f->n_vectors; - to_next[0] = vlib_get_buffer_index (vm, b3); - f->n_vectors++; + f = bif->per_thread_info[thread_index].frame[port3]; + to_next = vlib_frame_vector_args (f); + to_next += f->n_vectors; + to_next[0] = vlib_get_buffer_index (vm, b[3]); + f->n_vectors++; - if (PREDICT_FALSE (n_trace > 0)) + if (PREDICT_FALSE (n_trace > 0)) + { + vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ ); + vlib_set_trace_count (vm, node, --n_trace); + t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0)); + eth = (ethernet_header_t *) vlib_buffer_get_current (b[0]); + t0->ethernet = *eth; + t0->sw_if_index = sw_if_index; + t0->bond_sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; + + if (PREDICT_TRUE (n_trace > 0)) { - vlib_trace_buffer (vm, node, next0, b0, 0 /* follow_chain */ ); + vlib_trace_buffer (vm, node, next1, b[1], + 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); - t0 = vlib_add_trace (vm, node, b0, sizeof (*t0)); - eth = (ethernet_header_t *) vlib_buffer_get_current (b0); + t0 = vlib_add_trace (vm, node, b[1], sizeof (*t0)); + eth = (ethernet_header_t *) vlib_buffer_get_current (b[1]); t0->ethernet = *eth; - t0->sw_if_index = sw_if_index; - t0->bond_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; + t0->sw_if_index = sw_if_index1; + t0->bond_sw_if_index = vnet_buffer (b[1])->sw_if_index[VLIB_TX]; if (PREDICT_TRUE (n_trace > 0)) { - vlib_trace_buffer (vm, node, next1, b1, + vlib_trace_buffer (vm, node, next2, b[2], 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); - t0 = vlib_add_trace (vm, node, b1, sizeof (*t0)); - eth = (ethernet_header_t *) vlib_buffer_get_current (b1); + t0 = vlib_add_trace (vm, node, b[2], sizeof (*t0)); + eth = (ethernet_header_t *) vlib_buffer_get_current (b[2]); t0->ethernet = *eth; - t0->sw_if_index = sw_if_index1; + t0->sw_if_index = sw_if_index2; t0->bond_sw_if_index = - vnet_buffer (b1)->sw_if_index[VLIB_TX]; + vnet_buffer (b[2])->sw_if_index[VLIB_TX]; if (PREDICT_TRUE (n_trace > 0)) { - vlib_trace_buffer (vm, node, next2, b2, + vlib_trace_buffer (vm, node, next3, b[3], 0 /* follow_chain */ ); vlib_set_trace_count (vm, node, --n_trace); - t0 = vlib_add_trace (vm, node, b2, sizeof (*t0)); + t0 = vlib_add_trace (vm, node, b[3], sizeof (*t0)); eth = - (ethernet_header_t *) vlib_buffer_get_current (b2); + (ethernet_header_t *) vlib_buffer_get_current (b[3]); t0->ethernet = *eth; - t0->sw_if_index = sw_if_index2; + t0->sw_if_index = sw_if_index3; t0->bond_sw_if_index = - vnet_buffer (b2)->sw_if_index[VLIB_TX]; - - if (PREDICT_TRUE (n_trace > 0)) - { - vlib_trace_buffer (vm, node, next3, b3, - 0 /* follow_chain */ ); - vlib_set_trace_count (vm, node, --n_trace); - t0 = vlib_add_trace (vm, node, b3, sizeof (*t0)); - eth = - (ethernet_header_t *) - vlib_buffer_get_current (b3); - t0->ethernet = *eth; - t0->sw_if_index = sw_if_index3; - t0->bond_sw_if_index = - vnet_buffer (b3)->sw_if_index[VLIB_TX]; - } + vnet_buffer (b[3])->sw_if_index[VLIB_TX]; } } } - from += 4; - n_left_from -= 4; } + from += 4; + n_left -= 4; + b += 4; + } - while (n_left_from > 0) - { - u32 next0 = 0; - u32 port0 = 0; - - // Prefetch next iteration - if (n_left_from > 1) - { - vlib_buffer_t *p2; - - p2 = vlib_get_buffer (vm, from[1]); - vlib_prefetch_buffer_header (p2, LOAD); - CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, LOAD); - } - - bi0 = from[0]; - b0 = vlib_get_buffer (vm, bi0); - - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0); - - sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; - - if (PREDICT_TRUE (slave_count != 1)) - port0 = - (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif, - b0, - slave_count); - sif_if_index = *vec_elt_at_index (bif->active_slaves, port0); - vnet_buffer (b0)->sw_if_index[VLIB_TX] = sif_if_index; - if (PREDICT_FALSE - ((bif->per_thread_info[thread_index].frame[port0] == 0))) - bif->per_thread_info[thread_index].frame[port0] = - vnet_get_frame_to_sw_interface (vnm, sif_if_index); - f = bif->per_thread_info[thread_index].frame[port0]; - to_next = vlib_frame_vector_args (f); - to_next += f->n_vectors; - to_next[0] = vlib_get_buffer_index (vm, b0); - f->n_vectors++; - - if (PREDICT_FALSE (n_trace > 0)) - { - vlib_trace_buffer (vm, node, next0, b0, 0 /* follow_chain */ ); - vlib_set_trace_count (vm, node, --n_trace); - t0 = vlib_add_trace (vm, node, b0, sizeof (*t0)); - eth = (ethernet_header_t *) vlib_buffer_get_current (b0); - t0->ethernet = *eth; - t0->sw_if_index = sw_if_index; - t0->bond_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; - } + while (n_left > 0) + { + u32 next0 = 0; + u32 port0 = 0; + + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b[0]); + + sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; + + if (PREDICT_TRUE (slave_count > 1)) + port0 = + (bond_load_balance_table[bif->lb]).load_balance (vm, node, bif, + b[0], slave_count); + sif_if_index = *vec_elt_at_index (bif->active_slaves, port0); + vnet_buffer (b[0])->sw_if_index[VLIB_TX] = sif_if_index; + if (PREDICT_FALSE + ((bif->per_thread_info[thread_index].frame[port0] == 0))) + bif->per_thread_info[thread_index].frame[port0] = + vnet_get_frame_to_sw_interface (vnm, sif_if_index); + f = bif->per_thread_info[thread_index].frame[port0]; + to_next = vlib_frame_vector_args (f); + to_next += f->n_vectors; + to_next[0] = vlib_get_buffer_index (vm, b[0]); + f->n_vectors++; - from += 1; - n_left_from -= 1; + if (PREDICT_FALSE (n_trace > 0)) + { + vlib_trace_buffer (vm, node, next0, b[0], 0 /* follow_chain */ ); + vlib_set_trace_count (vm, node, --n_trace); + t0 = vlib_add_trace (vm, node, b[0], sizeof (*t0)); + eth = (ethernet_header_t *) vlib_buffer_get_current (b[0]); + t0->ethernet = *eth; + t0->sw_if_index = sw_if_index; + t0->bond_sw_if_index = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; } + + from += 1; + n_left -= 1; + b += 1; } for (port = 0; port < slave_count; port++) @@ -698,7 +657,6 @@ bond_tx_fn (vlib_main_t * vm, vlib_node_runtime_t * node, + VNET_INTERFACE_COUNTER_TX, thread_index, bif->sw_if_index, frame->n_vectors); - clib_spinlock_unlock_if_init (&bif->lockp); return frame->n_vectors; } @@ -751,7 +709,6 @@ VLIB_REGISTER_NODE (bond_process_node) = { /* *INDENT-OFF* */ VNET_DEVICE_CLASS (bond_dev_class) = { .name = "bond", - .tx_function = bond_tx_fn, .tx_function_n_errors = BOND_TX_N_ERROR, .tx_function_error_strings = bond_tx_error_strings, .format_device_name = format_bond_interface_name, @@ -761,7 +718,6 @@ VNET_DEVICE_CLASS (bond_dev_class) = { .format_tx_trace = format_bond_tx_trace, }; -VLIB_DEVICE_TX_FUNCTION_MULTIARCH (bond_dev_class, bond_tx_fn) /* *INDENT-ON* */ /* diff --git a/src/vnet/bonding/node.h b/src/vnet/bonding/node.h index 7b8e1ad7cb2..104b7b15700 100644 --- a/src/vnet/bonding/node.h +++ b/src/vnet/bonding/node.h @@ -282,8 +282,6 @@ typedef struct /* bond mode */ u8 mode; - - clib_spinlock_t lockp; } slave_if_t; typedef void (*lacp_enable_disable_func) (vlib_main_t * vm, bond_if_t * bif, |