misc: deprecate netmap and ixge drivers

Both are out of sync for long time...

Type: refactor

Change-Id: I7de3170d35330fc172501d87655dfef91998b8fe
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 298 deletions

diff --git a/src/vnet/devices/netmap/node.c b/src/vnet/devices/netmap/node.c
deleted file mode 100644
index bc55ecc8eb1..00000000000
--- a/src/vnet/devices/netmap/node.c
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- *------------------------------------------------------------------
- * 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.
- *------------------------------------------------------------------
- */
-
-#include <stdint.h>
-#include <net/if.h>
-#include <sys/ioctl.h>
-
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/devices/devices.h>
-#include <vnet/feature/feature.h>
-
-#include <vnet/devices/netmap/net_netmap.h>
-#include <vnet/devices/netmap/netmap.h>
-
-#define foreach_netmap_input_error
-
-typedef enum
-{
-#define _(f,s) NETMAP_INPUT_ERROR_##f,
-  foreach_netmap_input_error
-#undef _
-    NETMAP_INPUT_N_ERROR,
-} netmap_input_error_t;
-
-static char *netmap_input_error_strings[] = {
-#define _(n,s) s,
-  foreach_netmap_input_error
-#undef _
-};
-
-typedef struct
-{
-  u32 next_index;
-  u32 hw_if_index;
-  struct netmap_slot slot;
-} netmap_input_trace_t;
-
-static u8 *
-format_netmap_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 *);
-  netmap_input_trace_t *t = va_arg (*args, netmap_input_trace_t *);
-  u32 indent = format_get_indent (s);
-
-  s = format (s, "netmap: hw_if_index %d next-index %d",
-	      t->hw_if_index, t->next_index);
-  s = format (s, "\n%Uslot: flags 0x%x len %u buf_idx %u",
-	      format_white_space, indent + 2,
-	      t->slot.flags, t->slot.len, t->slot.buf_idx);
-  return s;
-}
-
-always_inline void
-buffer_add_to_chain (vlib_main_t * vm, u32 bi, u32 first_bi, u32 prev_bi)
-{
-  vlib_buffer_t *b = vlib_get_buffer (vm, bi);
-  vlib_buffer_t *first_b = vlib_get_buffer (vm, first_bi);
-  vlib_buffer_t *prev_b = vlib_get_buffer (vm, prev_bi);
-
-  /* update first buffer */
-  first_b->total_length_not_including_first_buffer += b->current_length;
-
-  /* update previous buffer */
-  prev_b->next_buffer = bi;
-  prev_b->flags |= VLIB_BUFFER_NEXT_PRESENT;
-
-  /* update current buffer */
-  b->next_buffer = 0;
-}
-
-always_inline uword
-netmap_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
-			vlib_frame_t * frame, netmap_if_t * nif)
-{
-  u32 next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
-  uword n_trace = vlib_get_trace_count (vm, node);
-  netmap_main_t *nm = &netmap_main;
-  u32 n_rx_packets = 0;
-  u32 n_rx_bytes = 0;
-  u32 *to_next = 0;
-  u32 n_free_bufs;
-  struct netmap_ring *ring;
-  int cur_ring;
-  u32 thread_index = vm->thread_index;
-  u32 n_buffer_bytes = vlib_buffer_get_default_data_size (vm);
-
-  if (nif->per_interface_next_index != ~0)
-    next_index = nif->per_interface_next_index;
-
-  n_free_bufs = vec_len (nm->rx_buffers[thread_index]);
-  if (PREDICT_FALSE (n_free_bufs < VLIB_FRAME_SIZE))
-    {
-      vec_validate (nm->rx_buffers[thread_index],
-		    VLIB_FRAME_SIZE + n_free_bufs - 1);
-      n_free_bufs +=
-	vlib_buffer_alloc (vm, &nm->rx_buffers[thread_index][n_free_bufs],
-			   VLIB_FRAME_SIZE);
-      _vec_len (nm->rx_buffers[thread_index]) = n_free_bufs;
-    }
-
-  cur_ring = nif->first_rx_ring;
-  while (cur_ring <= nif->last_rx_ring && n_free_bufs)
-    {
-      int r = 0;
-      u32 cur_slot_index;
-      ring = NETMAP_RXRING (nif->nifp, cur_ring);
-      r = nm_ring_space (ring);
-
-      if (!r)
-	{
-	  cur_ring++;
-	  continue;
-	}
-
-      if (r > n_free_bufs)
-	r = n_free_bufs;
-
-      cur_slot_index = ring->cur;
-      while (r)
-	{
-	  u32 n_left_to_next;
-	  u32 next0 = next_index;
-	  vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
-	  while (r && n_left_to_next)
-	    {
-	      vlib_buffer_t *first_b0 = 0;
-	      u32 offset = 0;
-	      u32 bi0 = 0, first_bi0 = 0, prev_bi0;
-	      u32 next_slot_index = (cur_slot_index + 1) % ring->num_slots;
-	      u32 next2_slot_index = (cur_slot_index + 2) % ring->num_slots;
-	      struct netmap_slot *slot = &ring->slot[cur_slot_index];
-	      u32 data_len = slot->len;
-
-	      /* prefetch 2 slots in advance */
-	      CLIB_PREFETCH (&ring->slot[next2_slot_index],
-			     CLIB_CACHE_LINE_BYTES, LOAD);
-	      /* prefetch start of next packet */
-	      CLIB_PREFETCH (NETMAP_BUF
-			     (ring, ring->slot[next_slot_index].buf_idx),
-			     CLIB_CACHE_LINE_BYTES, LOAD);
-
-	      while (data_len && n_free_bufs)
-		{
-		  vlib_buffer_t *b0;
-		  /* grab free buffer */
-		  u32 last_empty_buffer =
-		    vec_len (nm->rx_buffers[thread_index]) - 1;
-		  prev_bi0 = bi0;
-		  bi0 = nm->rx_buffers[thread_index][last_empty_buffer];
-		  b0 = vlib_get_buffer (vm, bi0);
-		  _vec_len (nm->rx_buffers[thread_index]) = last_empty_buffer;
-		  n_free_bufs--;
-
-		  /* copy data */
-		  u32 bytes_to_copy =
-		    data_len > n_buffer_bytes ? n_buffer_bytes : data_len;
-		  b0->current_data = 0;
-		  clib_memcpy_fast (vlib_buffer_get_current (b0),
-				    (u8 *) NETMAP_BUF (ring, slot->buf_idx) +
-				    offset, bytes_to_copy);
-
-		  /* fill buffer header */
-		  b0->current_length = bytes_to_copy;
-
-		  if (offset == 0)
-		    {
-		      b0->total_length_not_including_first_buffer = 0;
-		      b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
-		      vnet_buffer (b0)->sw_if_index[VLIB_RX] =
-			nif->sw_if_index;
-		      vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
-		      first_bi0 = bi0;
-		      first_b0 = vlib_get_buffer (vm, first_bi0);
-		    }
-		  else
-		    buffer_add_to_chain (vm, bi0, first_bi0, prev_bi0);
-
-		  offset += bytes_to_copy;
-		  data_len -= bytes_to_copy;
-		}
-
-	      /* trace */
-	      VLIB_BUFFER_TRACE_TRAJECTORY_INIT (first_b0);
-	      if (PREDICT_FALSE (n_trace > 0))
-		{
-		  if (PREDICT_TRUE (first_b0 != 0))
-		    {
-		      netmap_input_trace_t *tr;
-		      vlib_trace_buffer (vm, node, next0, first_b0,
-					 /* follow_chain */ 0);
-		      vlib_set_trace_count (vm, node, --n_trace);
-		      tr = vlib_add_trace (vm, node, first_b0, sizeof (*tr));
-		      tr->next_index = next0;
-		      tr->hw_if_index = nif->hw_if_index;
-		      memcpy (&tr->slot, slot, sizeof (struct netmap_slot));
-		    }
-		}
-
-	      /* redirect if feature path enabled */
-	      vnet_feature_start_device_input_x1 (nif->sw_if_index, &next0,
-						  first_b0);
-
-	      /* enque and take next packet */
-	      vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
-					       n_left_to_next, first_bi0,
-					       next0);
-
-	      /* next packet */
-	      n_rx_packets++;
-	      n_rx_bytes += slot->len;
-	      to_next[0] = first_bi0;
-	      to_next += 1;
-	      n_left_to_next--;
-	      cur_slot_index = next_slot_index;
-
-	      r--;
-	    }
-	  vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-	}
-      ring->head = ring->cur = cur_slot_index;
-      cur_ring++;
-    }
-
-  if (n_rx_packets)
-    ioctl (nif->fd, NIOCRXSYNC, NULL);
-
-  vlib_increment_combined_counter
-    (vnet_get_main ()->interface_main.combined_sw_if_counters
-     + VNET_INTERFACE_COUNTER_RX,
-     vlib_get_thread_index (), nif->hw_if_index, n_rx_packets, n_rx_bytes);
-
-  vnet_device_increment_rx_packets (thread_index, n_rx_packets);
-
-  return n_rx_packets;
-}
-
-VLIB_NODE_FN (netmap_input_node) (vlib_main_t * vm,
-				  vlib_node_runtime_t * node,
-				  vlib_frame_t * frame)
-{
-  int i;
-  u32 n_rx_packets = 0;
-  u32 thread_index = vm->thread_index;
-  netmap_main_t *nm = &netmap_main;
-  netmap_if_t *nmi;
-
-  for (i = 0; i < vec_len (nm->interfaces); i++)
-    {
-      nmi = vec_elt_at_index (nm->interfaces, i);
-      if (nmi->is_admin_up &&
-	  (i % nm->input_cpu_count) ==
-	  (thread_index - nm->input_cpu_first_index))
-	n_rx_packets += netmap_device_input_fn (vm, node, frame, nmi);
-    }
-
-  return n_rx_packets;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (netmap_input_node) = {
-  .name = "netmap-input",
-  .sibling_of = "device-input",
-  .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
-  .format_trace = format_netmap_input_trace,
-  .type = VLIB_NODE_TYPE_INPUT,
-  /* default state is INTERRUPT mode, switch to POLLING if worker threads are enabled */
-  .state = VLIB_NODE_STATE_INTERRUPT,
-  .n_errors = NETMAP_INPUT_N_ERROR,
-  .error_strings = netmap_input_error_strings,
-};
-/* *INDENT-ON* */
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */