Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 Cisco and/or its affiliates. |
| 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | * you may not use this file except in compliance with the License. |
| 5 | * You may obtain a copy of the License at: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 9 | * Unless required by applicable law or agreed to in writing, software |
| 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | * See the License for the specific language governing permissions and |
| 13 | * limitations under the License. |
| 14 | */ |
| 15 | #include "ssvm_eth.h" |
| 16 | |
| 17 | vlib_node_registration_t ssvm_eth_input_node; |
| 18 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 19 | typedef struct |
| 20 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 21 | u32 next_index; |
| 22 | u32 sw_if_index; |
| 23 | } ssvm_eth_input_trace_t; |
| 24 | |
| 25 | /* packet trace format function */ |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 26 | static u8 * |
| 27 | format_ssvm_eth_input_trace (u8 * s, va_list * args) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 28 | { |
| 29 | CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); |
| 30 | CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 31 | ssvm_eth_input_trace_t *t = va_arg (*args, ssvm_eth_input_trace_t *); |
| 32 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 33 | s = format (s, "SSVM_ETH_INPUT: sw_if_index %d, next index %d", |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 34 | t->sw_if_index, t->next_index); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 35 | return s; |
| 36 | } |
| 37 | |
| 38 | vlib_node_registration_t ssvm_eth_input_node; |
| 39 | |
| 40 | #define foreach_ssvm_eth_input_error \ |
| 41 | _(NO_BUFFERS, "Rx packet drops (no buffers)") |
| 42 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 43 | typedef enum |
| 44 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 45 | #define _(sym,str) SSVM_ETH_INPUT_ERROR_##sym, |
| 46 | foreach_ssvm_eth_input_error |
| 47 | #undef _ |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 48 | SSVM_ETH_INPUT_N_ERROR, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 49 | } ssvm_eth_input_error_t; |
| 50 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 51 | static char *ssvm_eth_input_error_strings[] = { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 52 | #define _(sym,string) string, |
| 53 | foreach_ssvm_eth_input_error |
| 54 | #undef _ |
| 55 | }; |
| 56 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 57 | typedef enum |
| 58 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 59 | SSVM_ETH_INPUT_NEXT_DROP, |
| 60 | SSVM_ETH_INPUT_NEXT_ETHERNET_INPUT, |
| 61 | SSVM_ETH_INPUT_NEXT_IP4_INPUT, |
| 62 | SSVM_ETH_INPUT_NEXT_IP6_INPUT, |
| 63 | SSVM_ETH_INPUT_NEXT_MPLS_INPUT, |
| 64 | SSVM_ETH_INPUT_N_NEXT, |
| 65 | } ssvm_eth_input_next_t; |
| 66 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 67 | static inline uword |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 68 | ssvm_eth_device_input (ssvm_eth_main_t * em, |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 69 | ssvm_private_t * intfc, vlib_node_runtime_t * node) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 70 | { |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 71 | ssvm_shared_header_t *sh = intfc->sh; |
| 72 | vlib_main_t *vm = em->vlib_main; |
| 73 | unix_shared_memory_queue_t *q; |
| 74 | ssvm_eth_queue_elt_t *elt, *elts; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 75 | u32 elt_index; |
| 76 | u32 my_pid = intfc->my_pid; |
| 77 | int rx_queue_index; |
| 78 | u32 n_to_alloc = VLIB_FRAME_SIZE * 2; |
| 79 | u32 n_allocated, n_present_in_cache; |
Damjan Marion | 8bdc63b | 2016-11-02 14:48:21 +0100 | [diff] [blame] | 80 | u32 next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT; |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 81 | vlib_buffer_free_list_t *fl; |
| 82 | u32 n_left_to_next, *to_next; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 83 | u32 next0; |
| 84 | u32 n_buffers; |
| 85 | u32 n_available; |
| 86 | u32 bi0, saved_bi0; |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 87 | vlib_buffer_t *b0, *prev; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 88 | u32 saved_cache_size = 0; |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 89 | ethernet_header_t *eh0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 90 | u16 type0; |
| 91 | u32 n_rx_bytes = 0, l3_offset0; |
Damjan Marion | 586afd7 | 2017-04-05 19:18:20 +0200 | [diff] [blame] | 92 | u32 thread_index = vlib_get_thread_index (); |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 93 | u32 trace_cnt __attribute__ ((unused)) = vlib_get_trace_count (vm, node); |
| 94 | volatile u32 *lock; |
| 95 | u32 *elt_indices; |
Dave Barach | bfdedbd | 2016-01-20 09:11:55 -0500 | [diff] [blame] | 96 | uword n_trace = vlib_get_trace_count (vm, node); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 97 | |
| 98 | /* Either side down? buh-bye... */ |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 99 | if (pointer_to_uword (sh->opaque[MASTER_ADMIN_STATE_INDEX]) == 0 || |
| 100 | pointer_to_uword (sh->opaque[SLAVE_ADMIN_STATE_INDEX]) == 0) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 101 | return 0; |
| 102 | |
| 103 | if (intfc->i_am_master) |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 104 | q = (unix_shared_memory_queue_t *) (sh->opaque[TO_MASTER_Q_INDEX]); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 105 | else |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 106 | q = (unix_shared_memory_queue_t *) (sh->opaque[TO_SLAVE_Q_INDEX]); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 107 | |
| 108 | /* Nothing to do? */ |
| 109 | if (q->cursize == 0) |
| 110 | return 0; |
| 111 | |
| 112 | fl = vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX); |
| 113 | |
| 114 | vec_reset_length (intfc->rx_queue); |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 115 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 116 | lock = (u32 *) q; |
| 117 | while (__sync_lock_test_and_set (lock, 1)) |
| 118 | ; |
| 119 | while (q->cursize > 0) |
| 120 | { |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 121 | unix_shared_memory_queue_sub_raw (q, (u8 *) & elt_index); |
| 122 | ASSERT (elt_index < 2048); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 123 | vec_add1 (intfc->rx_queue, elt_index); |
| 124 | } |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 125 | CLIB_MEMORY_BARRIER (); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 126 | *lock = 0; |
| 127 | |
| 128 | n_present_in_cache = vec_len (em->buffer_cache); |
| 129 | |
| 130 | if (vec_len (em->buffer_cache) < vec_len (intfc->rx_queue) * 2) |
| 131 | { |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 132 | vec_validate (em->buffer_cache, |
| 133 | n_to_alloc + vec_len (em->buffer_cache) - 1); |
| 134 | n_allocated = |
| 135 | vlib_buffer_alloc (vm, &em->buffer_cache[n_present_in_cache], |
| 136 | n_to_alloc); |
| 137 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 138 | n_present_in_cache += n_allocated; |
| 139 | _vec_len (em->buffer_cache) = n_present_in_cache; |
| 140 | } |
| 141 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 142 | elts = (ssvm_eth_queue_elt_t *) (sh->opaque[CHUNK_POOL_INDEX]); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 143 | |
| 144 | n_buffers = vec_len (intfc->rx_queue); |
| 145 | rx_queue_index = 0; |
| 146 | |
| 147 | while (n_buffers > 0) |
| 148 | { |
| 149 | vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 150 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 151 | while (n_buffers > 0 && n_left_to_next > 0) |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 152 | { |
| 153 | elt = elts + intfc->rx_queue[rx_queue_index]; |
| 154 | |
| 155 | saved_cache_size = n_present_in_cache; |
| 156 | if (PREDICT_FALSE (saved_cache_size == 0)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 157 | { |
| 158 | vlib_put_next_frame (vm, node, next_index, n_left_to_next); |
| 159 | goto out; |
| 160 | } |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 161 | saved_bi0 = bi0 = em->buffer_cache[--n_present_in_cache]; |
| 162 | b0 = vlib_get_buffer (vm, bi0); |
| 163 | prev = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 164 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 165 | while (1) |
| 166 | { |
| 167 | vlib_buffer_init_for_free_list (b0, fl); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 168 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 169 | b0->current_data = elt->current_data_hint; |
| 170 | b0->current_length = elt->length_this_buffer; |
| 171 | b0->total_length_not_including_first_buffer = |
| 172 | elt->total_length_not_including_first_buffer; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 173 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 174 | clib_memcpy (b0->data + b0->current_data, elt->data, |
| 175 | b0->current_length); |
| 176 | |
| 177 | if (PREDICT_FALSE (prev != 0)) |
| 178 | prev->next_buffer = bi0; |
| 179 | |
| 180 | if (PREDICT_FALSE (elt->flags & SSVM_BUFFER_NEXT_PRESENT)) |
| 181 | { |
| 182 | prev = b0; |
| 183 | if (PREDICT_FALSE (n_present_in_cache == 0)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 184 | { |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 185 | vlib_put_next_frame (vm, node, next_index, |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 186 | n_left_to_next); |
| 187 | goto out; |
| 188 | } |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 189 | bi0 = em->buffer_cache[--n_present_in_cache]; |
| 190 | b0 = vlib_get_buffer (vm, bi0); |
| 191 | } |
| 192 | else |
| 193 | break; |
| 194 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 195 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 196 | saved_cache_size = n_present_in_cache; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 197 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 198 | to_next[0] = saved_bi0; |
| 199 | to_next++; |
| 200 | n_left_to_next--; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 201 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 202 | b0 = vlib_get_buffer (vm, saved_bi0); |
| 203 | eh0 = vlib_buffer_get_current (b0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 204 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 205 | type0 = clib_net_to_host_u16 (eh0->type); |
| 206 | |
| 207 | next0 = SSVM_ETH_INPUT_NEXT_ETHERNET_INPUT; |
| 208 | |
| 209 | if (type0 == ETHERNET_TYPE_IP4) |
| 210 | next0 = SSVM_ETH_INPUT_NEXT_IP4_INPUT; |
| 211 | else if (type0 == ETHERNET_TYPE_IP6) |
| 212 | next0 = SSVM_ETH_INPUT_NEXT_IP6_INPUT; |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame^] | 213 | else if (type0 == ETHERNET_TYPE_MPLS) |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 214 | next0 = SSVM_ETH_INPUT_NEXT_MPLS_INPUT; |
| 215 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 216 | l3_offset0 = ((next0 == SSVM_ETH_INPUT_NEXT_IP4_INPUT || |
| 217 | next0 == SSVM_ETH_INPUT_NEXT_IP6_INPUT || |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 218 | next0 == SSVM_ETH_INPUT_NEXT_MPLS_INPUT) ? |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 219 | sizeof (ethernet_header_t) : 0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 220 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 221 | n_rx_bytes += b0->current_length |
| 222 | + b0->total_length_not_including_first_buffer; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 223 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 224 | b0->current_data += l3_offset0; |
| 225 | b0->current_length -= l3_offset0; |
| 226 | b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 227 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 228 | vnet_buffer (b0)->sw_if_index[VLIB_RX] = intfc->vlib_hw_if_index; |
| 229 | vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 230 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 231 | /* |
| 232 | * Turn this on if you run into |
| 233 | * "bad monkey" contexts, and you want to know exactly |
| 234 | * which nodes they've visited... See main.c... |
| 235 | */ |
| 236 | VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0); |
Dave Barach | bfdedbd | 2016-01-20 09:11:55 -0500 | [diff] [blame] | 237 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 238 | if (PREDICT_FALSE (n_trace > 0)) |
| 239 | { |
| 240 | ssvm_eth_input_trace_t *tr; |
Dave Barach | bfdedbd | 2016-01-20 09:11:55 -0500 | [diff] [blame] | 241 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 242 | vlib_trace_buffer (vm, node, next0, b0, /* follow_chain */ 1); |
| 243 | vlib_set_trace_count (vm, node, --n_trace); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 244 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 245 | tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); |
| 246 | |
| 247 | tr->next_index = next0; |
| 248 | tr->sw_if_index = intfc->vlib_hw_if_index; |
| 249 | } |
| 250 | |
| 251 | vlib_validate_buffer_enqueue_x1 (vm, node, next_index, |
| 252 | to_next, n_left_to_next, |
| 253 | bi0, next0); |
| 254 | n_buffers--; |
| 255 | rx_queue_index++; |
| 256 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 257 | |
| 258 | vlib_put_next_frame (vm, node, next_index, n_left_to_next); |
| 259 | } |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 260 | |
| 261 | out: |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 262 | if (em->buffer_cache) |
| 263 | _vec_len (em->buffer_cache) = saved_cache_size; |
| 264 | else |
| 265 | ASSERT (saved_cache_size == 0); |
| 266 | |
| 267 | ssvm_lock (sh, my_pid, 2); |
| 268 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 269 | ASSERT (vec_len (intfc->rx_queue) > 0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 270 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 271 | n_available = (u32) pointer_to_uword (sh->opaque[CHUNK_POOL_NFREE]); |
| 272 | elt_indices = (u32 *) (sh->opaque[CHUNK_POOL_FREELIST_INDEX]); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 273 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 274 | clib_memcpy (&elt_indices[n_available], intfc->rx_queue, |
| 275 | vec_len (intfc->rx_queue) * sizeof (u32)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 276 | |
| 277 | n_available += vec_len (intfc->rx_queue); |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 278 | sh->opaque[CHUNK_POOL_NFREE] = uword_to_pointer (n_available, void *); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 279 | |
| 280 | ssvm_unlock (sh); |
| 281 | |
| 282 | vlib_error_count (vm, node->node_index, SSVM_ETH_INPUT_ERROR_NO_BUFFERS, |
| 283 | n_buffers); |
| 284 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 285 | vlib_increment_combined_counter |
| 286 | (vnet_get_main ()->interface_main.combined_sw_if_counters |
Damjan Marion | 586afd7 | 2017-04-05 19:18:20 +0200 | [diff] [blame] | 287 | + VNET_INTERFACE_COUNTER_RX, thread_index, |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 288 | intfc->vlib_hw_if_index, rx_queue_index, n_rx_bytes); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 289 | |
Damjan Marion | 586afd7 | 2017-04-05 19:18:20 +0200 | [diff] [blame] | 290 | vnet_device_increment_rx_packets (thread_index, rx_queue_index); |
Damjan Marion | b3bb101 | 2017-02-28 21:55:28 +0100 | [diff] [blame] | 291 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 292 | return rx_queue_index; |
| 293 | } |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 294 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 295 | static uword |
| 296 | ssvm_eth_input_node_fn (vlib_main_t * vm, |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 297 | vlib_node_runtime_t * node, vlib_frame_t * frame) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 298 | { |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 299 | ssvm_eth_main_t *em = &ssvm_eth_main; |
| 300 | ssvm_private_t *intfc; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 301 | uword n_rx_packets = 0; |
| 302 | |
| 303 | vec_foreach (intfc, em->intfcs) |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 304 | { |
| 305 | n_rx_packets += ssvm_eth_device_input (em, intfc, node); |
| 306 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 307 | |
| 308 | return n_rx_packets; |
| 309 | } |
| 310 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 311 | /* *INDENT-OFF* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 312 | VLIB_REGISTER_NODE (ssvm_eth_input_node) = { |
| 313 | .function = ssvm_eth_input_node_fn, |
| 314 | .name = "ssvm_eth_input", |
| 315 | .vector_size = sizeof (u32), |
| 316 | .format_trace = format_ssvm_eth_input_trace, |
| 317 | .type = VLIB_NODE_TYPE_INPUT, |
| 318 | .state = VLIB_NODE_STATE_DISABLED, |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 319 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 320 | .n_errors = ARRAY_LEN(ssvm_eth_input_error_strings), |
| 321 | .error_strings = ssvm_eth_input_error_strings, |
| 322 | |
| 323 | .n_next_nodes = SSVM_ETH_INPUT_N_NEXT, |
| 324 | |
| 325 | /* edit / add dispositions here */ |
| 326 | .next_nodes = { |
| 327 | [SSVM_ETH_INPUT_NEXT_DROP] = "error-drop", |
| 328 | [SSVM_ETH_INPUT_NEXT_ETHERNET_INPUT] = "ethernet-input", |
| 329 | [SSVM_ETH_INPUT_NEXT_IP4_INPUT] = "ip4-input", |
| 330 | [SSVM_ETH_INPUT_NEXT_IP6_INPUT] = "ip6-input", |
Neale Ranns | 0bfe5d8 | 2016-08-25 15:29:12 +0100 | [diff] [blame] | 331 | [SSVM_ETH_INPUT_NEXT_MPLS_INPUT] = "mpls-input", |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 332 | }, |
| 333 | }; |
| 334 | |
Damjan Marion | 1c80e83 | 2016-05-11 23:07:18 +0200 | [diff] [blame] | 335 | VLIB_NODE_FUNCTION_MULTIARCH (ssvm_eth_input_node, ssvm_eth_input_node_fn) |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 336 | /* *INDENT-ON* */ |
Damjan Marion | 1c80e83 | 2016-05-11 23:07:18 +0200 | [diff] [blame] | 337 | |
Damjan Marion | 00a9dca | 2016-08-17 17:05:46 +0200 | [diff] [blame] | 338 | |
| 339 | /* |
| 340 | * fd.io coding-style-patch-verification: ON |
| 341 | * |
| 342 | * Local Variables: |
| 343 | * eval: (c-set-style "gnu") |
| 344 | * End: |
| 345 | */ |