/* *------------------------------------------------------------------ * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------ */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #define MEMIF_IP_OFFSET 14 #define foreach_memif_input_error \ _ (BUFFER_ALLOC_FAIL, buffer_alloc, ERROR, "buffer allocation failed") \ _ (BAD_DESC, bad_desc, ERROR, "bad descriptor") \ _ (NOT_IP, not_ip, INFO, "not ip packet") typedef enum { #define _(f, n, s, d) MEMIF_INPUT_ERROR_##f, foreach_memif_input_error #undef _ MEMIF_INPUT_N_ERROR, } memif_input_error_t; static vlib_error_desc_t memif_input_error_counters[] = { #define _(f, n, s, d) { #n, d, VL_COUNTER_SEVERITY_##s }, foreach_memif_input_error #undef _ }; typedef struct { u32 next_index; u32 hw_if_index; u16 ring; } memif_input_trace_t; static __clib_unused u8 * format_memif_input_trace (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); memif_input_trace_t *t = va_arg (*args, memif_input_trace_t *); u32 indent = format_get_indent (s); s = format (s, "memif: hw_if_index %d next-index %d", t->hw_if_index, t->next_index); s = format (s, "\n%Uslot: ring %u", format_white_space, indent + 2, t->ring); return s; } static_always_inline u32 memif_next_from_ip_hdr (vlib_node_runtime_t * node, vlib_buffer_t * b) { u8 *ptr = vlib_buffer_get_current (b); u8 v = *ptr & 0xf0; if (PREDICT_TRUE (v == 0x40)) return VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT; else if (PREDICT_TRUE (v == 0x60)) return VNET_DEVICE_INPUT_NEXT_IP6_INPUT; b->error = node->errors[MEMIF_INPUT_ERROR_NOT_IP]; return VNET_DEVICE_INPUT_NEXT_DROP; } static_always_inline void memif_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node, memif_if_t * mif, vlib_buffer_t * b, u32 next, u16 qid, uword * n_tracep) { if (PREDICT_TRUE (b != 0 && vlib_trace_buffer (vm, node, next, b, /* follow_chain */ 0))) { memif_input_trace_t *tr; vlib_set_trace_count (vm, node, --(*n_tracep)); tr = vlib_add_trace (vm, node, b, sizeof (*tr)); tr->next_index = next; tr->hw_if_index = mif->hw_if_index; tr->ring = qid; } } static_always_inline void memif_add_copy_op (memif_per_thread_data_t * ptd, void *data, u32 len, u16 buffer_offset, u16 buffer_vec_index) { memif_copy_op_t *co; vec_add2_aligned (ptd->copy_ops, co, 1, CLIB_CACHE_LINE_BYTES); co->data = data; co->data_len = len; co->buffer_offset = buffer_offset; co->buffer_vec_index = buffer_vec_index; } static_always_inline void memif_add_to_chain (vlib_main_t * vm, vlib_buffer_t * b, u32 * buffers, u32 buffer_size) { vlib_buffer_t *seg = b; i32 bytes_left = b->current_length - buffer_size + b->current_data; if (PREDICT_TRUE (bytes_left <= 0)) return; b->current_length -= bytes_left; b->total_length_not_including_first_buffer = bytes_left; while (bytes_left) { seg->flags |= VLIB_BUFFER_NEXT_PRESENT; seg->next_buffer = buffers[0]; seg = vlib_get_buffer (vm, buffers[0]); buffers++; seg->current_data = 0; seg->current_length = clib_min (buffer_size, bytes_left); bytes_left -= seg->current_length; } } static_always_inline u16 memif_parse_desc (memif_per_thread_data_t *ptd, memif_if_t *mif, memif_queue_t *mq, u16 next, u16 n_avail) { memif_ring_t *ring = mq->ring; memif_desc_t *descs = ring->desc; void **desc_data = ptd->desc_data; u16 *desc_len = ptd->desc_len; memif_desc_status_t *desc_status = ptd->desc_status; u16 n_desc = 0, n_pkts = 0; u32 i = 0; u16 mask = pow2_mask (mq->log2_ring_size); memif_desc_t *d = 0; u32 slot = next; while (i < n_avail) { u8 flags; d = descs + (slot++ & mask); desc_data[i] = (void *) ((u64) d->region << 32 | d->offset); desc_len[i] = d->length; desc_status[i].as_u8 = flags = d->flags; i++; if (PREDICT_FALSE ((flags & MEMIF_DESC_FLAG_NEXT)) == 0) { n_desc = i; if (++n_pkts == MEMIF_RX_VECTOR_SZ) goto frame_full; } } frame_full: /* done */ ptd->n_packets = n_pkts; return n_desc; } static_always_inline void memif_desc_status_set_err (memif_desc_status_t *p, memif_desc_status_err_code_t e) { memif_desc_status_t s = { .err = 1, .err_code = e }; p->as_u8 |= s.as_u8; } static_always_inline void memif_validate_desc_data (memif_per_thread_data_t *ptd, memif_if_t *mif, u16 n_desc, int is_ethernet) { void **desc_data = p
# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

include_directories (
  ${CMAKE_CURRENT_SOURCE_DIR}
  ${CMAKE_CURRENT_BINARY_DIR}
)

##############################################################################
# find and add all plugin subdirs
##############################################################################
FILE(GLOB files RELATIVE
  ${CMAKE_CURRENT_SOURCE_DIR}
  ${CMAKE_CURRENT_SOURCE_DIR}/*/CMakeLists.txt
)
foreach (f ${files})
  get_filename_component(dir ${f} DIRECTORY)
  add_subdirectory(${dir})
endforeach()
.data); b = vlib_get_buffer (vm, ptd->buffers[co[i].buffer_vec_index]); clib_memcpy_fast (b->data + co[i].buffer_offset, co[i].data, co[i].data_len); } for (; i < n_pkts; i++) { b = vlib_get_buffer (vm, ptd->buffers[co[i].buffer_vec_index]); clib_memcpy_fast (b->data + co[i].buffer_offset, co[i].data, co[i].data_len); } } /* release slots from the ring */ if (type == MEMIF_RING_S2M) { __atomic_store_n (&ring->tail, cur_slot, __ATOMIC_RELEASE); mq->last_head = cur_slot; } else { mq->last_tail = cur_slot; } /* prepare buffer template and next indices */ vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_RX] = mif->sw_if_index; vnet_buffer (&ptd->buffer_template)->feature_arc_index = 0; ptd->buffer_template.current_data = start_offset; ptd->buffer_template.current_config_index = 0; ptd->buffer_template.buffer_pool_index = mq->buffer_pool_index; ptd->buffer_template.ref_count = 1; if (mode == MEMIF_INTERFACE_MODE_ETHERNET) { next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT; if (mif->per_interface_next_index != ~0) next_index = mif->per_interface_next_index; else vnet_feature_start_device_input_x1 (mif->sw_if_index, &next_index, &ptd->buffer_template); vlib_get_new_next_frame (vm, node, next_index, to_next_bufs, n_left_to_next); if (PREDICT_TRUE (next_index == VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT)) { vlib_next_frame_t *nf; vlib_frame_t *f; ethernet_input_frame_t *ef; nf = vlib_node_runtime_get_next_frame (vm, node, next_index); f = vlib_get_frame (vm, nf->frame); f->flags = ETH_INPUT_FRAME_F_SINGLE_SW_IF_IDX; ef = vlib_frame_scalar_args (f); ef->sw_if_index = mif->sw_if_index; ef->hw_if_index = mif->hw_if_index; vlib_frame_no_append (f); } } if (is_simple) { vlib_buffer_copy_indices (to_next_bufs, ptd->buffers, ptd->n_packets); if (mode == MEMIF_INTERFACE_MODE_IP) memif_fill_buffer_mdata_simple (node, ptd, buffer_ptrs, nexts, 1); else memif_fill_buffer_mdata_simple (node, ptd, buffer_ptrs, nexts, 0); } else { if (mode == MEMIF_INTERFACE_MODE_IP) memif_fill_buffer_mdata (vm, node, ptd, mif, to_next_bufs, nexts, 1); else memif_fill_buffer_mdata (vm, node, ptd, mif, to_next_bufs, nexts, 0); } /* packet trace if enabled */ if (PREDICT_FALSE ((n_trace = vlib_get_trace_count (vm, node)))) { u32 n_left = ptd->n_packets; bi = to_next_bufs; next = nexts; u32 ni = next_index; while (n_trace && n_left) { vlib_buffer_t *b; memif_input_trace_t *tr; if (mode != MEMIF_INTERFACE_MODE_ETHERNET) ni = next[0]; b = vlib_get_buffer (vm, bi[0]); if (PREDICT_TRUE (vlib_trace_buffer (vm, node, ni, b, /* follow_chain */ 0))) { tr = vlib_add_trace (vm, node, b, sizeof (*tr)); tr->next_index = ni; tr->hw_if_index = mif->hw_if_index; tr->ring = qid; n_trace--; } /* next */ n_left--; bi++; next++; } vlib_set_trace_count (vm, node, n_trace); } if (mode == MEMIF_INTERFACE_MODE_ETHERNET) { n_left_to_next -= ptd->n_packets; vlib_put_next_frame (vm, node, next_index, n_left_to_next); } else vlib_buffer_enqueue_to_next (vm, node, to_next_bufs, nexts, ptd->n_packets); vlib_increment_combined_counter ( vnm->interface_main.combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, thread_index, mif->sw_if_index, ptd->n_packets, ptd->n_rx_bytes); /* refill ring with empty buffers */ refill: vec_reset_length (ptd->buffers); vec_reset_length (ptd->copy_ops); if (type == MEMIF_RING_M2S) { u16 head = ring->head; n_slots = ring_size - head + mq->last_tail; while (n_slots--) { u16 s = head++ & mask; memif_desc_t *d = &ring->desc[s]; d->length = mif->run.buffer_size; } __atomic_store_n (&ring->head, head, __ATOMIC_RELEASE); } return ptd->n_packets; } static_always_inline uword memif_device_input_zc_inline (vlib_main_t *vm, vlib_node_runtime_t *node, memif_if_t *mif, u16 qid, memif_interface_mode_t mode) { vnet_main_t *vnm = vnet_get_main (); memif_main_t *mm = &memif_main; memif_ring_t *ring; memif_queue_t *mq; u32 next_index; uword n_trace = vlib_get_trace_count (vm, node); u32 n_rx_packets = 0, n_rx_bytes = 0; u32 *to_next = 0, *buffers; u32 bi0, bi1, bi2, bi3; u16 slot, s0; memif_desc_t *d0; vlib_buffer_t *b0, *b1, *b2, *b3; u32 thread_index = vm->thread_index; memif_per_thread_data_t *ptd = vec_elt_at_index (mm->per_thread_data, thread_index); u16 cur_slot, last_slot, ring_size, n_slots, mask, head; i16 start_offset; u64 offset; u32 buffer_length; u16 n_alloc, n_from; mq = vec_elt_at_index (mif->rx_queues, qid); ring = mq->ring; ring_size = 1 << mq->log2_ring_size; mask = ring_size - 1; next_index = (mode == MEMIF_INTERFACE_MODE_IP) ? VNET_DEVICE_INPUT_NEXT_IP6_INPUT : VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT; /* asume that somebody will want to add ethernet header on the packet so start with IP header at offset 14 */ start_offset = (mode == MEMIF_INTERFACE_MODE_IP) ? 14 : 0; buffer_length = vlib_buffer_get_default_data_size (vm) - start_offset; cur_slot = mq->last_tail; last_slot = __atomic_load_n (&ring->tail, __ATOMIC_ACQUIRE); if (cur_slot == last_slot) goto refill; n_slots = last_slot - cur_slot; /* process ring slots */ vec_validate_aligned (ptd->buffers, MEMIF_RX_VECTOR_SZ, CLIB_CACHE_LINE_BYTES); while (n_slots && n_rx_packets < MEMIF_RX_VECTOR_SZ) { vlib_buffer_t *hb; s0 = cur_slot & mask; bi0 = mq->buffers[s0]; ptd->buffers[n_rx_packets++] = bi0; clib_prefetch_load (&ring->desc[(cur_slot + 8) & mask]); d0 = &ring->desc[s0]; hb = b0 = vlib_get_buffer (vm, bi0); b0->current_data = start_offset; b0->current_length = d0->length; n_rx_bytes += d0->length; cur_slot++; n_slots--; if (PREDICT_FALSE ((d0->flags & MEMIF_DESC_FLAG_NEXT) && n_slots)) { hb->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID; hb->total_length_not_including_first_buffer = 0; next_slot: s0 = cur_slot & mask; d0 = &ring->desc[s0]; bi0 = mq->buffers[s0]; /* previous buffer */ b0->next_buffer = bi0; b0->flags |= VLIB_BUFFER_NEXT_PRESENT; /* current buffer */ b0 = vlib_get_buffer (vm, bi0); b0->current_data = start_offset; b0->current_length = d0->length; hb->total_length_not_including_first_buffer += d0->length; n_rx_bytes += d0->length; cur_slot++; n_slots--; if ((d0->flags & MEMIF_DESC_FLAG_NEXT) && n_slots) goto next_slot; } } /* release slots from the ring */ mq->last_tail = cur_slot; n_from = n_rx_packets; buffers = ptd->buffers; while (n_from) { u32 n_left_to_next; u32 next0, next1, next2, next3; vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); while (n_from >= 8 && n_left_to_next >= 4) { b0 = vlib_get_buffer (vm, buffers[4]); b1 = vlib_get_buffer (vm, buffers[5]); b2 = vlib_get_buffer (vm, buffers[6]); b3 = vlib_get_buffer (vm, buffers[7]); vlib_prefetch_buffer_header (b0, STORE); vlib_prefetch_buffer_header (b1, STORE); vlib_prefetch_buffer_header (b2, STORE); vlib_prefetch_buffer_header (b3, STORE); /* enqueue buffer */ to_next[0] = bi0 = buffers[0]; to_next[1] = bi1 = buffers[1]; to_next[2] = bi2 = buffers[2]; to_next[3] = bi3 = buffers[3]; to_next += 4; n_left_to_next -= 4; buffers += 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); vnet_buffer (b0)->sw_if_index[VLIB_RX] = mif->sw_if_index; vnet_buffer (b0)->sw_if_index[VLIB_TX] = ~0; vnet_buffer (b1)->sw_if_index[VLIB_RX] = mif->sw_if_index; vnet_buffer (b1)->sw_if_index[VLIB_TX] = ~0; vnet_buffer (b2)->sw_if_index[VLIB_RX] = mif->sw_if_index; vnet_buffer (b2)->sw_if_index[VLIB_TX] = ~0; vnet_buffer (b3)->sw_if_index[VLIB_RX] = mif->sw_if_index; vnet_buffer (b3)->sw_if_index[VLIB_TX] = ~0; if (mode == MEMIF_INTERFACE_MODE_IP) { next0 = memif_next_from_ip_hdr (node, b0); next1 = memif_next_from_ip_hdr (node, b1); next2 = memif_next_from_ip_hdr (node, b2); next3 = memif_next_from_ip_hdr (node, b3); } else if (mode == MEMIF_INTERFACE_MODE_ETHERNET) { if (PREDICT_FALSE (mif->per_interface_next_index != ~0)) { next0 = mif->per_interface_next_index; next1 = mif->per_interface_next_index; next2 = mif->per_interface_next_index; next3 = mif->per_interface_next_index; } else { next0 = next1 = next2 = next3 = next_index; /* redirect if feature path enabled */ vnet_feature_start_device_input_x1 (mif->sw_if_index, &next0, b0); vnet_feature_start_device_input_x1 (mif->sw_if_index, &next1, b1); vnet_feature_start_device_input_x1 (mif->sw_if_index, &next2, b2); vnet_feature_start_device_input_x1 (mif->sw_if_index, &next3, b3); } } /* trace */ if (PREDICT_FALSE (n_trace > 0)) { memif_trace_buffer (vm, node, mif, b0, next0, qid, &n_trace); if (PREDICT_FALSE (n_trace > 0)) memif_trace_buffer (vm, node, mif, b1, next1, qid, &n_trace); if (PREDICT_FALSE (n_trace > 0)) memif_trace_buffer (vm, node, mif, b2, next2, qid, &n_trace); if (PREDICT_FALSE (n_trace > 0)) memif_trace_buffer (vm, node, mif, b3, next3, qid, &n_trace); } /* enqueue */ vlib_validate_buffer_enqueue_x4 (vm, node, next_index, to_next, n_left_to_next, bi0, bi1, bi2, bi3, next0, next1, next2, next3); /* next */ n_from -= 4; } while (n_from && n_left_to_next) { /* enqueue buffer */ to_next[0] = bi0 = buffers[0]; to_next += 1; n_left_to_next--; buffers += 1; b0 = vlib_get_buffer (vm, bi0); vnet_buffer (b0)->sw_if_index[VLIB_RX] = mif->sw_if_index; vnet_buffer (b0)->sw_if_index[VLIB_TX] = ~0; if (mode == MEMIF_INTERFACE_MODE_IP) { next0 = memif_next_from_ip_hdr (node, b0); } else if (mode == MEMIF_INTERFACE_MODE_ETHERNET) { if (PREDICT_FALSE (mif->per_interface_next_index != ~0)) next0 = mif->per_interface_next_index; else { next0 = next_index; /* redirect if feature path enabled */ vnet_feature_start_device_input_x1 (mif->sw_if_index, &next0, b0); } } /* trace */ if (PREDICT_FALSE (n_trace > 0)) memif_trace_buffer (vm, node, mif, b0, next0, qid, &n_trace); /* enqueue */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, bi0, next0); /* next */ n_from--; } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } vlib_increment_combined_counter (vnm->interface_main.combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX, thread_index, mif->sw_if_index, n_rx_packets, n_rx_bytes); /* refill ring with empty buffers */ refill: vec_reset_length (ptd->buffers); head = ring->head; n_slots = ring_size - head + mq->last_tail; slot = head & mask; n_slots &= ~7; if (n_slots < 32) goto done; memif_desc_t desc_template, *dt = &desc_template; clib_memset (dt, 0, sizeof (memif_desc_t)); dt->length = buffer_length; n_alloc = vlib_buffer_alloc_to_ring_from_pool ( vm, mq->buffers, slot, ring_size, n_slots, mq->buffer_pool_index); dt->region = mq->buffer_pool_index + 1; offset = (u64) mif->regions[dt->region].shm - start_offset; if (PREDICT_FALSE (n_alloc != n_slots)) vlib_error_count (vm, node->node_index, MEMIF_INPUT_ERROR_BUFFER_ALLOC_FAIL, 1); head += n_alloc; while (n_alloc) { memif_desc_t *d = ring->desc + slot; u32 *bi = mq->buffers + slot; if (PREDICT_FALSE (((slot + 7 > mask) || (n_alloc < 8)))) goto one_by_one; clib_memcpy_fast (d + 0, dt, sizeof (memif_desc_t)); clib_memcpy_fast (d + 1, dt, sizeof (memif_desc_t)); clib_memcpy_fast (d + 2, dt, sizeof (memif_desc_t)); clib_memcpy_fast (d + 3, dt, sizeof (memif_desc_t)); clib_memcpy_fast (d + 4, dt, sizeof (memif_desc_t)); clib_memcpy_fast (d + 5, dt, sizeof (memif_desc_t)); clib_memcpy_fast (d + 6, dt, sizeof (memif_desc_t)); clib_memcpy_fast (d + 7, dt, sizeof (memif_desc_t)); d[0].offset = (u64) vlib_get_buffer (vm, bi[0])->data - offset; d[1].offset = (u64) vlib_get_buffer (vm, bi[1])->data - offset; d[2].offset = (u64) vlib_get_buffer (vm, bi[2])->data - offset; d[3].offset = (u64) vlib_get_buffer (vm, bi[3])->data - offset; d[4].offset = (u64) vlib_get_buffer (vm, bi[4])->data - offset; d[5].offset = (u64) vlib_get_buffer (vm, bi[5])->data - offset; d[6].offset = (u64) vlib_get_buffer (vm, bi[6])->data - offset; d[7].offset = (u64) vlib_get_buffer (vm, bi[7])->data - offset; slot = (slot + 8) & mask; n_alloc -= 8; continue; one_by_one: clib_memcpy_fast (d, dt, sizeof (memif_desc_t)); d[0].offset = (u64) vlib_get_buffer (vm, bi[0])->data - offset; slot = (slot + 1) & mask; n_alloc -= 1; } __atomic_store_n (&ring->head, head, __ATOMIC_RELEASE); done: return n_rx_packets; } VLIB_NODE_FN (memif_input_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_rx = 0; memif_main_t *mm = &memif_main; memif_interface_mode_t mode_ip = MEMIF_INTERFACE_MODE_IP; memif_interface_mode_t mode_eth = MEMIF_INTERFACE_MODE_ETHERNET; vnet_hw_if_rxq_poll_vector_t *pv; pv = vnet_hw_if_get_rxq_poll_vector (vm, node); for (int i = 0; i < vec_len (pv); i++) { memif_if_t *mif; u32 qid; mif = vec_elt_at_index (mm->interfaces, pv[i].dev_instance); qid = pv[i].queue_id; if ((mif->flags & MEMIF_IF_FLAG_ADMIN_UP) && (mif->flags & MEMIF_IF_FLAG_CONNECTED)) { if (mif->flags & MEMIF_IF_FLAG_ZERO_COPY) { if (mif->mode == MEMIF_INTERFACE_MODE_IP) n_rx += memif_device_input_zc_inline (vm, node, mif, qid, mode_ip); else n_rx += memif_device_input_zc_inline (vm, node, mif, qid, mode_eth); } else if (mif->flags & MEMIF_IF_FLAG_IS_SLAVE) { if (mif->mode == MEMIF_INTERFACE_MODE_IP) n_rx += memif_device_input_inline ( vm, node, mif, MEMIF_RING_M2S, qid, mode_ip); else n_rx += memif_device_input_inline ( vm, node, mif, MEMIF_RING_M2S, qid, mode_eth); } else { if (mif->mode == MEMIF_INTERFACE_MODE_IP) n_rx += memif_device_input_inline ( vm, node, mif, MEMIF_RING_S2M, qid, mode_ip); else n_rx += memif_device_input_inline ( vm, node, mif, MEMIF_RING_S2M, qid, mode_eth); } } } return n_rx; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (memif_input_node) = { .name = "memif-input", .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED, .sibling_of = "device-input", .format_trace = format_memif_input_trace, .type = VLIB_NODE_TYPE_INPUT, .state = VLIB_NODE_STATE_INTERRUPT, .n_errors = MEMIF_INPUT_N_ERROR, .error_counters = memif_input_error_counters, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */