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authorDave Wallace <dwallacelf@gmail.com>2017-10-25 12:30:37 -0400
committerKeith Burns <alagalah@gmail.com>2017-10-25 19:13:14 +0000
commit6476b3c1484eed25eeab23774a248a3f8593578e (patch)
tree966df13ce4afb195f779b091283dda812ae298e6 /src/vlibmemory/memory_client.c
parent4f6c3a9a13d92e507823c24580dd0715bcfea4ce (diff)
VCL-LDPRELOAD: statically link VPP objects into libvcl_ldpreload.so
Change-Id: If8fb5484b64a5b1c04e34573490fedcf63feabc9 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Diffstat (limited to 'src/vlibmemory/memory_client.c')
-rw-r--r--src/vlibmemory/memory_client.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/src/vlibmemory/memory_client.c b/src/vlibmemory/memory_client.c
index 55913f59403..c7ae13963c9 100644
--- a/src/vlibmemory/memory_client.c
+++ b/src/vlibmemory/memory_client.c
@@ -560,12 +560,6 @@ result:
return rv;
}
-void
-vlib_node_sync_stats (vlib_main_t * vm, vlib_node_t * n)
-{
- clib_warning ("STUB called...");
-}
-
/*
* fd.io coding-style-patch-verification: ON
*
href='#n177'>177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 
/*
 *------------------------------------------------------------------
 * 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.
 *------------------------------------------------------------------
 */

#define _GNU_SOURCE
#include <stdint.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include <sys/uio.h>

#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/devices/devices.h>

#include <marvell/pp2/pp2.h>

#define foreach_mrvl_pp2_input_error \
  _(PPIO_RECV, "pp2_ppio_recv error") \
  _(BPOOL_GET_NUM_BUFFS, "pp2_bpool_get_num_buffs error") \
  _(BPOOL_PUT_BUFFS, "pp2_bpool_put_buffs error") \
  _(BUFFER_ALLOC, "buffer alloc error") \
  _(MAC_CE, "MAC error (CRC error)") \
  _(MAC_OR, "overrun error") \
  _(MAC_RSVD, "unknown MAC error") \
  _(MAC_RE, "resource error") \
  _(IP_HDR, "ip4 header error")

typedef enum
{
#define _(f,s) MRVL_PP2_INPUT_ERROR_##f,
  foreach_mrvl_pp2_input_error
#undef _
    MRVL_PP2_INPUT_N_ERROR,
} mrvl_pp2_input_error_t;

static __clib_unused char *mrvl_pp2_input_error_strings[] = {
#define _(n,s) s,
  foreach_mrvl_pp2_input_error
#undef _
};

static_always_inline void
mrvl_pp2_input_trace (vlib_main_t * vm, vlib_node_runtime_t * node, u32 next0,
		      vlib_buffer_t * b0, uword * n_trace,
		      mrvl_pp2_if_t * ppif, struct pp2_ppio_desc *d)
{
  mrvl_pp2_input_trace_t *tr;
  vlib_trace_buffer (vm, node, next0, b0,
		     /* follow_chain */ 0);
  vlib_set_trace_count (vm, node, --(*n_trace));
  tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
  tr->next_index = next0;
  tr->hw_if_index = ppif->hw_if_index;
  clib_memcpy (&tr->desc, d, sizeof (struct pp2_ppio_desc));
}

static_always_inline u16
mrvl_pp2_set_buf_data_len_flags (vlib_buffer_t * b, struct pp2_ppio_desc *d,
				 u32 add_flags)
{
  u16 len;
  len = pp2_ppio_inq_desc_get_pkt_len (d);
  b->total_length_not_including_first_buffer = 0;
  b->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID | add_flags;

  if (add_flags & VNET_BUFFER_F_L2_HDR_OFFSET_VALID)
    vnet_buffer (b)->l2_hdr_offset = 2;

  if (add_flags & VNET_BUFFER_F_L3_HDR_OFFSET_VALID)
    {
      u16 offset = DM_RXD_GET_L3_OFF (d);
      vnet_buffer (b)->l3_hdr_offset = offset;
      b->current_data = offset;
      b->current_length = len - offset + 2;
    }
  else
    {
      b->current_data = 2;
      b->current_length = len;
    }

  if (add_flags & VNET_BUFFER_F_L3_HDR_OFFSET_VALID)
    vnet_buffer (b)->l4_hdr_offset = vnet_buffer (b)->l3_hdr_offset +
      DM_RXD_GET_IPHDR_LEN (d) * 4;

  return len;
}

static_always_inline u16
mrvl_pp2_next_from_desc (vlib_node_runtime_t * node, struct pp2_ppio_desc * d,
			 vlib_buffer_t * b, u32 * next)
{
  u8 l3_info;
  /* ES bit set means MAC error  - drop and count */
  if (PREDICT_FALSE (DM_RXD_GET_ES (d)))
    {
      *next = VNET_DEVICE_INPUT_NEXT_DROP;
      u8 ec = DM_RXD_GET_EC (d);
      if (ec == 0)
	b->error = node->errors[MRVL_PP2_INPUT_ERROR_MAC_CE];
      else if (ec == 1)
	b->error = node->errors[MRVL_PP2_INPUT_ERROR_MAC_OR];
      else if (ec == 2)
	b->error = node->errors[MRVL_PP2_INPUT_ERROR_MAC_RSVD];
      else if (ec == 3)
	b->error = node->errors[MRVL_PP2_INPUT_ERROR_MAC_RE];
      return mrvl_pp2_set_buf_data_len_flags (b, d, 0);
    }
  l3_info = DM_RXD_GET_L3_PRS_INFO (d);

  /* ipv4 packet can be value 1, 2 or 3 */
  if (PREDICT_TRUE ((l3_info - 1) < 3))
    {
      if (PREDICT_FALSE (DM_RXD_GET_L3_IP4_HDR_ERR (d) != 0))
	{
	  *next = VNET_DEVICE_INPUT_NEXT_DROP;
	  b->error = node->errors[MRVL_PP2_INPUT_ERROR_IP_HDR];
	  return mrvl_pp2_set_buf_data_len_flags (b, d, 0);
	}
      *next = VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT;
      return mrvl_pp2_set_buf_data_len_flags
	(b, d,
	 VNET_BUFFER_F_L2_HDR_OFFSET_VALID |
	 VNET_BUFFER_F_L3_HDR_OFFSET_VALID |
	 VNET_BUFFER_F_L4_HDR_OFFSET_VALID | VNET_BUFFER_F_IS_IP4);
    }

  /* ipv4 packet can be value 4 or 5 */
  if (PREDICT_TRUE ((l3_info - 4) < 2))
    {
      *next = VNET_DEVICE_INPUT_NEXT_IP6_INPUT;
      return mrvl_pp2_set_buf_data_len_flags
	(b, d,
	 VNET_BUFFER_F_L2_HDR_OFFSET_VALID |
	 VNET_BUFFER_F_L3_HDR_OFFSET_VALID |
	 VNET_BUFFER_F_L4_HDR_OFFSET_VALID | VNET_BUFFER_F_IS_IP6);
    }

  *next = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
  return mrvl_pp2_set_buf_data_len_flags (b, d,
					  VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
}

static_always_inline uword
mrvl_pp2_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
			      vlib_frame_t * frame, mrvl_pp2_if_t * ppif,
			      u16 qid)
{
  vnet_main_t *vnm = vnet_get_main ();
  mrvl_pp2_main_t *ppm = &mrvl_pp2_main;
  u32 thread_index = vm->thread_index;
  mrvl_pp2_inq_t *inq = vec_elt_at_index (ppif->inqs, qid);
  uword n_trace = vlib_get_trace_count (vm, node);
  mrvl_pp2_per_thread_data_t *ptd =
    vec_elt_at_index (ppm->per_thread_data, thread_index);
  u32 next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
  u32 sw_if_index[VLIB_N_RX_TX];
  u32 n_rx_packets = 0;
  u32 n_rx_bytes = 0;
  u32 *to_next = 0;
  struct pp2_ppio_desc *d;
  u16 n_desc = VLIB_FRAME_SIZE;
  u32 n_bufs;
  u32 *buffers;
  int i;

  vec_validate_aligned (ptd->descs, n_desc, CLIB_CACHE_LINE_BYTES);
  if (PREDICT_FALSE (pp2_ppio_recv (ppif->ppio, 0, qid, ptd->descs, &n_desc)))
    {
      vlib_error_count (vm, node->node_index, MRVL_PP2_INPUT_ERROR_PPIO_RECV,
			1);
      n_desc = 0;
    }
  n_rx_packets = n_desc;

  for (i = 0; i < n_desc; i++)
    ptd->buffers[i] = pp2_ppio_inq_desc_get_cookie (&ptd->descs[i]);

  d = ptd->descs;
  buffers = ptd->buffers;
  sw_if_index[VLIB_RX] = ppif->sw_if_index;
  sw_if_index[VLIB_TX] = (u32) ~ 0;
  while (n_desc)
    {
      u32 n_left_to_next;
      vlib_buffer_t *b0, *b1;
      u32 bi0, bi1;
      u32 next0, next1;
      vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
      while (n_desc >= 4 && n_left_to_next >= 2)
	{
	  /* prefetch */
	  bi0 = buffers[0];
	  bi1 = buffers[1];
	  to_next[0] = bi0;
	  to_next[1] = bi1;
	  b0 = vlib_get_buffer (vm, bi0);
	  b1 = vlib_get_buffer (vm, bi1);

	  if (PREDICT_TRUE (ppif->per_interface_next_index == ~0))
	    {
	      n_rx_bytes += mrvl_pp2_next_from_desc (node, d, b0, &next0);
	      n_rx_bytes += mrvl_pp2_next_from_desc (node, d + 1, b1, &next1);
	      vnet_feature_start_device_input_x2 (ppif->sw_if_index, &next0,
						  &next1, b0, b1);
	    }
	  else
	    {
	      n_rx_bytes += mrvl_pp2_set_buf_data_len_flags (b0, d, 0);
	      n_rx_bytes += mrvl_pp2_set_buf_data_len_flags (b1, d + 1, 0);
	      next0 = next1 = ppif->per_interface_next_index;
	    }

	  clib_memcpy (vnet_buffer (b0)->sw_if_index, sw_if_index,
		       sizeof (sw_if_index));
	  clib_memcpy (vnet_buffer (b1)->sw_if_index, sw_if_index,
		       sizeof (sw_if_index));

	  VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
	  VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1);

	  if (PREDICT_FALSE (n_trace > 0))
	    {
	      mrvl_pp2_input_trace (vm, node, next0, b0, &n_trace, ppif, d);
	      if (n_trace > 0)
		mrvl_pp2_input_trace (vm, node, next1, b1, &n_trace, ppif,
				      d + 1);
	    }

	  to_next += 2;
	  n_left_to_next -= 2;
	  d += 2;
	  buffers += 2;
	  n_desc -= 2;

	  /* enqueue */
	  vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
					   n_left_to_next, bi0, bi1, next0,
					   next1);

	}
      while (n_desc && n_left_to_next)
	{
	  u32 bi0 = buffers[0];
	  to_next[0] = bi0;
	  b0 = vlib_get_buffer (vm, bi0);

	  if (PREDICT_TRUE (ppif->per_interface_next_index == ~0))
	    {
	      n_rx_bytes += mrvl_pp2_next_from_desc (node, d, b0, &next0);
	      vnet_feature_start_device_input_x1 (ppif->sw_if_index, &next0,
						  b0);
	    }
	  else
	    {
	      n_rx_bytes += mrvl_pp2_set_buf_data_len_flags (b0, d, 0);
	      next0 = ppif->per_interface_next_index;
	    }

	  clib_memcpy (vnet_buffer (b0)->sw_if_index, sw_if_index,
		       sizeof (sw_if_index));

	  VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);

	  if (PREDICT_FALSE (n_trace > 0))
	    mrvl_pp2_input_trace (vm, node, next0, b0, &n_trace, ppif, d);

	  to_next += 1;
	  n_left_to_next--;
	  d++;
	  buffers++;
	  n_desc--;

	  /* enqueue */
	  vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
					   n_left_to_next, bi0, next0);
	}
      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,
				   ppif->hw_if_index, n_rx_packets,
				   n_rx_bytes);

  if (PREDICT_FALSE (pp2_bpool_get_num_buffs (inq->bpool, &n_bufs)))
    {
      vlib_error_count (vm, node->node_index,
			MRVL_PP2_INPUT_ERROR_BPOOL_GET_NUM_BUFFS, 1);
      goto done;
    }

  n_bufs = inq->size - n_bufs;
  while (n_bufs >= MRVL_PP2_BUFF_BATCH_SZ)
    {
      u16 n_alloc, i;
      struct buff_release_entry *e = ptd->bre;
      u32 *buffers = ptd->buffers;

      n_alloc = vlib_buffer_alloc (vm, ptd->buffers, MRVL_PP2_BUFF_BATCH_SZ);
      i = n_alloc;

      if (PREDICT_FALSE (n_alloc == 0))
	{
	  vlib_error_count (vm, node->node_index,
			    MRVL_PP2_INPUT_ERROR_BUFFER_ALLOC, 1);
	  goto done;
	}

      while (i--)
	{
	  u32 bi = buffers[0];
	  vlib_buffer_t *b = vlib_get_buffer (vm, bi);
	  e->buff.addr = vlib_buffer_get_pa (vm, b) - 64;
	  e->buff.cookie = bi;
	  e->bpool = inq->bpool;
	  e++;
	  buffers++;
	}

      i = n_alloc;
      if (PREDICT_FALSE (pp2_bpool_put_buffs (ptd->hif, ptd->bre, &i)))
	{
	  vlib_error_count (vm, node->node_index,
			    MRVL_PP2_INPUT_ERROR_BPOOL_PUT_BUFFS, 1);
	  vlib_buffer_free (vm, ptd->buffers, n_alloc);
	  goto done;
	}

      if (PREDICT_FALSE (i != n_alloc))
	vlib_buffer_free (vm, ptd->buffers + i, n_alloc - i);

      n_bufs -= i;
    }

done:
  return n_rx_packets;
}

uword
mrvl_pp2_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
		   vlib_frame_t * frame)
{
  u32 n_rx = 0;
  mrvl_pp2_main_t *ppm = &mrvl_pp2_main;
  vnet_device_input_runtime_t *rt = (void *) node->runtime_data;
  vnet_device_and_queue_t *dq;

  foreach_device_and_queue (dq, rt->devices_and_queues)
  {
    mrvl_pp2_if_t *ppif;
    ppif = vec_elt_at_index (ppm->interfaces, dq->dev_instance);
    if (ppif->flags & MRVL_PP2_IF_F_ADMIN_UP)
      n_rx += mrvl_pp2_device_input_inline (vm, node, frame, ppif,
					    dq->queue_id);
  }
  return n_rx;
}

/* *INDENT-OFF* */
VLIB_REGISTER_NODE (mrvl_pp2_input_node) = {
  .function = mrvl_pp2_input_fn,
  .name = "mrvl-pp2-input",
  .sibling_of = "device-input",
  .format_trace = format_mrvl_pp2_input_trace,
  .type = VLIB_NODE_TYPE_INPUT,
  .state = VLIB_NODE_STATE_POLLING,
  .n_errors = MRVL_PP2_INPUT_N_ERROR,
  .error_strings = mrvl_pp2_input_error_strings,
};

/* *INDENT-ON* */


/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */