Retire vpp_lite

vpp_lite platform is not needed anymore as same efect can be
achieved with following startup.conf config:

plugins {
	plugin dpdk_plugin.so { disable }
}

Change-Id: I690ea8ceb1c6e1fe32e01e7da54e9958019a93bf
Signed-off-by: Damjan Marion <damarion@cisco.com>

4 files changed, 0 insertions, 4465 deletions

diff --git a/src/vnet/devices/nic/ixge.c b/src/vnet/devices/nic/ixge.c
deleted file mode 100644
index d4c4c6b7..00000000
--- a/src/vnet/devices/nic/ixge.c
+++ /dev/null
@@ -1,2938 +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.
- */
-
-/*
- *   WARNING!
- *   This driver is not intended for production use and it is unsupported.
- *   It is provided for educational use only.
- *   Please use supported DPDK driver instead.
- */
-
-#if __x86_64__
-#include <vppinfra/vector.h>
-
-#ifndef CLIB_HAVE_VEC128
-#warning HACK: ixge driver wont really work, missing u32x4
-typedef unsigned long long u32x4;
-#endif
-
-#include <vlib/vlib.h>
-#include <vlib/unix/unix.h>
-#include <vlib/pci/pci.h>
-#include <vnet/vnet.h>
-#include <vnet/devices/nic/ixge.h>
-#include <vnet/ethernet/ethernet.h>
-
-#define IXGE_ALWAYS_POLL 0
-
-#define EVENT_SET_FLAGS 0
-#define IXGE_HWBP_RACE_ELOG 0
-
-#define PCI_VENDOR_ID_INTEL 0x8086
-
-/* 10 GIG E (XGE) PHY IEEE 802.3 clause 45 definitions. */
-#define XGE_PHY_DEV_TYPE_PMA_PMD 1
-#define XGE_PHY_DEV_TYPE_PHY_XS 4
-#define XGE_PHY_ID1 0x2
-#define XGE_PHY_ID2 0x3
-#define XGE_PHY_CONTROL 0x0
-#define XGE_PHY_CONTROL_RESET (1 << 15)
-
-ixge_main_t ixge_main;
-static vlib_node_registration_t ixge_input_node;
-static vlib_node_registration_t ixge_process_node;
-
-static void
-ixge_semaphore_get (ixge_device_t * xd)
-{
-  ixge_main_t *xm = &ixge_main;
-  vlib_main_t *vm = xm->vlib_main;
-  ixge_regs_t *r = xd->regs;
-  u32 i;
-
-  i = 0;
-  while (!(r->software_semaphore & (1 << 0)))
-    {
-      if (i > 0)
-	vlib_process_suspend (vm, 100e-6);
-      i++;
-    }
-  do
-    {
-      r->software_semaphore |= 1 << 1;
-    }
-  while (!(r->software_semaphore & (1 << 1)));
-}
-
-static void
-ixge_semaphore_release (ixge_device_t * xd)
-{
-  ixge_regs_t *r = xd->regs;
-  r->software_semaphore &= ~3;
-}
-
-static void
-ixge_software_firmware_sync (ixge_device_t * xd, u32 sw_mask)
-{
-  ixge_main_t *xm = &ixge_main;
-  vlib_main_t *vm = xm->vlib_main;
-  ixge_regs_t *r = xd->regs;
-  u32 fw_mask = sw_mask << 5;
-  u32 m, done = 0;
-
-  while (!done)
-    {
-      ixge_semaphore_get (xd);
-      m = r->software_firmware_sync;
-      done = (m & fw_mask) == 0;
-      if (done)
-	r->software_firmware_sync = m | sw_mask;
-      ixge_semaphore_release (xd);
-      if (!done)
-	vlib_process_suspend (vm, 10e-3);
-    }
-}
-
-static void
-ixge_software_firmware_sync_release (ixge_device_t * xd, u32 sw_mask)
-{
-  ixge_regs_t *r = xd->regs;
-  ixge_semaphore_get (xd);
-  r->software_firmware_sync &= ~sw_mask;
-  ixge_semaphore_release (xd);
-}
-
-u32
-ixge_read_write_phy_reg (ixge_device_t * xd, u32 dev_type, u32 reg_index,
-			 u32 v, u32 is_read)
-{
-  ixge_regs_t *r = xd->regs;
-  const u32 busy_bit = 1 << 30;
-  u32 x;
-
-  ASSERT (xd->phy_index < 2);
-  ixge_software_firmware_sync (xd, 1 << (1 + xd->phy_index));
-
-  ASSERT (reg_index < (1 << 16));
-  ASSERT (dev_type < (1 << 5));
-  if (!is_read)
-    r->xge_mac.phy_data = v;
-
-  /* Address cycle. */
-  x =
-    reg_index | (dev_type << 16) | (xd->
-				    phys[xd->phy_index].mdio_address << 21);
-  r->xge_mac.phy_command = x | busy_bit;
-  /* Busy wait timed to take 28e-6 secs.  No suspend. */
-  while (r->xge_mac.phy_command & busy_bit)
-    ;
-
-  r->xge_mac.phy_command = x | ((is_read ? 2 : 1) << 26) | busy_bit;
-  while (r->xge_mac.phy_command & busy_bit)
-    ;
-
-  if (is_read)
-    v = r->xge_mac.phy_data >> 16;
-
-  ixge_software_firmware_sync_release (xd, 1 << (1 + xd->phy_index));
-
-  return v;
-}
-
-static u32
-ixge_read_phy_reg (ixge_device_t * xd, u32 dev_type, u32 reg_index)
-{
-  return ixge_read_write_phy_reg (xd, dev_type, reg_index, 0,	/* is_read */
-				  1);
-}
-
-static void
-ixge_write_phy_reg (ixge_device_t * xd, u32 dev_type, u32 reg_index, u32 v)
-{
-  (void) ixge_read_write_phy_reg (xd, dev_type, reg_index, v,	/* is_read */
-				  0);
-}
-
-static void
-ixge_i2c_put_bits (i2c_bus_t * b, int scl, int sda)
-{
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, b->private_data);
-  u32 v;
-
-  v = 0;
-  v |= (sda != 0) << 3;
-  v |= (scl != 0) << 1;
-  xd->regs->i2c_control = v;
-}
-
-static void
-ixge_i2c_get_bits (i2c_bus_t * b, int *scl, int *sda)
-{
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, b->private_data);
-  u32 v;
-
-  v = xd->regs->i2c_control;
-  *sda = (v & (1 << 2)) != 0;
-  *scl = (v & (1 << 0)) != 0;
-}
-
-static u16
-ixge_read_eeprom (ixge_device_t * xd, u32 address)
-{
-  ixge_regs_t *r = xd->regs;
-  u32 v;
-  r->eeprom_read = (( /* start bit */ (1 << 0)) | (address << 2));
-  /* Wait for done bit. */
-  while (!((v = r->eeprom_read) & (1 << 1)))
-    ;
-  return v >> 16;
-}
-
-static void
-ixge_sfp_enable_disable_laser (ixge_device_t * xd, uword enable)
-{
-  u32 tx_disable_bit = 1 << 3;
-  if (enable)
-    xd->regs->sdp_control &= ~tx_disable_bit;
-  else
-    xd->regs->sdp_control |= tx_disable_bit;
-}
-
-static void
-ixge_sfp_enable_disable_10g (ixge_device_t * xd, uword enable)
-{
-  u32 is_10g_bit = 1 << 5;
-  if (enable)
-    xd->regs->sdp_control |= is_10g_bit;
-  else
-    xd->regs->sdp_control &= ~is_10g_bit;
-}
-
-static clib_error_t *
-ixge_sfp_phy_init_from_eeprom (ixge_device_t * xd, u16 sfp_type)
-{
-  u16 a, id, reg_values_addr = 0;
-
-  a = ixge_read_eeprom (xd, 0x2b);
-  if (a == 0 || a == 0xffff)
-    return clib_error_create ("no init sequence in eeprom");
-
-  while (1)
-    {
-      id = ixge_read_eeprom (xd, ++a);
-      if (id == 0xffff)
-	break;
-      reg_values_addr = ixge_read_eeprom (xd, ++a);
-      if (id == sfp_type)
-	break;
-    }
-  if (id != sfp_type)
-    return clib_error_create ("failed to find id 0x%x", sfp_type);
-
-  ixge_software_firmware_sync (xd, 1 << 3);
-  while (1)
-    {
-      u16 v = ixge_read_eeprom (xd, ++reg_values_addr);
-      if (v == 0xffff)
-	break;
-      xd->regs->core_analog_config = v;
-    }
-  ixge_software_firmware_sync_release (xd, 1 << 3);
-
-  /* Make sure laser is off.  We'll turn on the laser when
-     the interface is brought up. */
-  ixge_sfp_enable_disable_laser (xd, /* enable */ 0);
-  ixge_sfp_enable_disable_10g (xd, /* is_10g */ 1);
-
-  return 0;
-}
-
-static void
-ixge_sfp_device_up_down (ixge_device_t * xd, uword is_up)
-{
-  u32 v;
-
-  if (is_up)
-    {
-      /* pma/pmd 10g serial SFI. */
-      xd->regs->xge_mac.auto_negotiation_control2 &= ~(3 << 16);
-      xd->regs->xge_mac.auto_negotiation_control2 |= 2 << 16;
-
-      v = xd->regs->xge_mac.auto_negotiation_control;
-      v &= ~(7 << 13);
-      v |= (0 << 13);
-      /* Restart autoneg. */
-      v |= (1 << 12);
-      xd->regs->xge_mac.auto_negotiation_control = v;
-
-      while (!(xd->regs->xge_mac.link_partner_ability[0] & 0xf0000))
-	;
-
-      v = xd->regs->xge_mac.auto_negotiation_control;
-
-      /* link mode 10g sfi serdes */
-      v &= ~(7 << 13);
-      v |= (3 << 13);
-
-      /* Restart autoneg. */
-      v |= (1 << 12);
-      xd->regs->xge_mac.auto_negotiation_control = v;
-
-      xd->regs->xge_mac.link_status;
-    }
-
-  ixge_sfp_enable_disable_laser (xd, /* enable */ is_up);
-
-  /* Give time for link partner to notice that we're up. */
-  if (is_up && vlib_in_process_context (vlib_get_main ()))
-    {
-      vlib_process_suspend (vlib_get_main (), 300e-3);
-    }
-}
-
-always_inline ixge_dma_regs_t *
-get_dma_regs (ixge_device_t * xd, vlib_rx_or_tx_t rt, u32 qi)
-{
-  ixge_regs_t *r = xd->regs;
-  ASSERT (qi < 128);
-  if (rt == VLIB_RX)
-    return qi < 64 ? &r->rx_dma0[qi] : &r->rx_dma1[qi - 64];
-  else
-    return &r->tx_dma[qi];
-}
-
-static clib_error_t *
-ixge_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
-{
-  vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
-  uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, hif->dev_instance);
-  ixge_dma_regs_t *dr = get_dma_regs (xd, VLIB_RX, 0);
-
-  if (is_up)
-    {
-      xd->regs->rx_enable |= 1;
-      xd->regs->tx_dma_control |= 1;
-      dr->control |= 1 << 25;
-      while (!(dr->control & (1 << 25)))
-	;
-    }
-  else
-    {
-      xd->regs->rx_enable &= ~1;
-      xd->regs->tx_dma_control &= ~1;
-    }
-
-  ixge_sfp_device_up_down (xd, is_up);
-
-  return /* no error */ 0;
-}
-
-static void
-ixge_sfp_phy_init (ixge_device_t * xd)
-{
-  ixge_phy_t *phy = xd->phys + xd->phy_index;
-  i2c_bus_t *ib = &xd->i2c_bus;
-
-  ib->private_data = xd->device_index;
-  ib->put_bits = ixge_i2c_put_bits;
-  ib->get_bits = ixge_i2c_get_bits;
-  vlib_i2c_init (ib);
-
-  vlib_i2c_read_eeprom (ib, 0x50, 0, 128, (u8 *) & xd->sfp_eeprom);
-
-  if (vlib_i2c_bus_timed_out (ib) || !sfp_eeprom_is_valid (&xd->sfp_eeprom))
-    xd->sfp_eeprom.id = SFP_ID_unknown;
-  else
-    {
-      /* FIXME 5 => SR/LR eeprom ID. */
-      clib_error_t *e =
-	ixge_sfp_phy_init_from_eeprom (xd, 5 + xd->pci_function);
-      if (e)
-	clib_error_report (e);
-    }
-
-  phy->mdio_address = ~0;
-}
-
-static void
-ixge_phy_init (ixge_device_t * xd)
-{
-  ixge_main_t *xm = &ixge_main;
-  vlib_main_t *vm = xm->vlib_main;
-  ixge_phy_t *phy = xd->phys + xd->phy_index;
-
-  switch (xd->device_id)
-    {
-    case IXGE_82599_sfp:
-    case IXGE_82599_sfp_em:
-    case IXGE_82599_sfp_fcoe:
-      /* others? */
-      return ixge_sfp_phy_init (xd);
-
-    default:
-      break;
-    }
-
-  /* Probe address of phy. */
-  {
-    u32 i, v;
-
-    phy->mdio_address = ~0;
-    for (i = 0; i < 32; i++)
-      {
-	phy->mdio_address = i;
-	v = ixge_read_phy_reg (xd, XGE_PHY_DEV_TYPE_PMA_PMD, XGE_PHY_ID1);
-	if (v != 0xffff && v != 0)
-	  break;
-      }
-
-    /* No PHY found? */
-    if (i >= 32)
-      return;
-  }
-
-  phy->id =
-    ((ixge_read_phy_reg (xd, XGE_PHY_DEV_TYPE_PMA_PMD, XGE_PHY_ID1) << 16) |
-     ixge_read_phy_reg (xd, XGE_PHY_DEV_TYPE_PMA_PMD, XGE_PHY_ID2));
-
-  {
-    ELOG_TYPE_DECLARE (e) =
-    {
-    .function = (char *) __FUNCTION__,.format =
-	"ixge %d, phy id 0x%d mdio address %d",.format_args = "i4i4i4",};
-    struct
-    {
-      u32 instance, id, address;
-    } *ed;
-    ed = ELOG_DATA (&vm->elog_main, e);
-    ed->instance = xd->device_index;
-    ed->id = phy->id;
-    ed->address = phy->mdio_address;
-  }
-
-  /* Reset phy. */
-  ixge_write_phy_reg (xd, XGE_PHY_DEV_TYPE_PHY_XS, XGE_PHY_CONTROL,
-		      XGE_PHY_CONTROL_RESET);
-
-  /* Wait for self-clearning reset bit to clear. */
-  do
-    {
-      vlib_process_suspend (vm, 1e-3);
-    }
-  while (ixge_read_phy_reg (xd, XGE_PHY_DEV_TYPE_PHY_XS, XGE_PHY_CONTROL) &
-	 XGE_PHY_CONTROL_RESET);
-}
-
-static u8 *
-format_ixge_rx_from_hw_descriptor (u8 * s, va_list * va)
-{
-  ixge_rx_from_hw_descriptor_t *d =
-    va_arg (*va, ixge_rx_from_hw_descriptor_t *);
-  u32 s0 = d->status[0], s2 = d->status[2];
-  u32 is_ip4, is_ip6, is_ip, is_tcp, is_udp;
-  uword indent = format_get_indent (s);
-
-  s = format (s, "%s-owned",
-	      (s2 & IXGE_RX_DESCRIPTOR_STATUS2_IS_OWNED_BY_SOFTWARE) ? "sw" :
-	      "hw");
-  s =
-    format (s, ", length this descriptor %d, l3 offset %d",
-	    d->n_packet_bytes_this_descriptor,
-	    IXGE_RX_DESCRIPTOR_STATUS0_L3_OFFSET (s0));
-  if (s2 & IXGE_RX_DESCRIPTOR_STATUS2_IS_END_OF_PACKET)
-    s = format (s, ", end-of-packet");
-
-  s = format (s, "\n%U", format_white_space, indent);
-
-  if (s2 & IXGE_RX_DESCRIPTOR_STATUS2_ETHERNET_ERROR)
-    s = format (s, "layer2 error");
-
-  if (s0 & IXGE_RX_DESCRIPTOR_STATUS0_IS_LAYER2)
-    {
-      s = format (s, "layer 2 type %d", (s0 & 0x1f));
-      return s;
-    }
-
-  if (s2 & IXGE_RX_DESCRIPTOR_STATUS2_IS_VLAN)
-    s = format (s, "vlan header 0x%x\n%U", d->vlan_tag,
-		format_white_space, indent);
-
-  if ((is_ip4 = (s0 & IXGE_RX_DESCRIPTOR_STATUS0_IS_IP4)))
-    {
-      s = format (s, "ip4%s",
-		  (s0 & IXGE_RX_DESCRIPTOR_STATUS0_IS_IP4_EXT) ? " options" :
-		  "");
-      if (s2 & IXGE_RX_DESCRIPTOR_STATUS2_IS_IP4_CHECKSUMMED)
-	s = format (s, " checksum %s",
-		    (s2 & IXGE_RX_DESCRIPTOR_STATUS2_IP4_CHECKSUM_ERROR) ?
-		    "bad" : "ok");
-    }
-  if ((is_ip6 = (s0 & IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6)))
-    s = format (s, "ip6%s",
-		(s0 & IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6_EXT) ? " extended" :
-		"");
-  is_tcp = is_udp = 0;
-  if ((is_ip = (is_ip4 | is_ip6)))
-    {
-      is_tcp = (s0 & IXGE_RX_DESCRIPTOR_STATUS0_IS_TCP) != 0;
-      is_udp = (s0 & IXGE_RX_DESCRIPTOR_STATUS0_IS_UDP) != 0;
-      if (is_tcp)
-	s = format (s, ", tcp");
-      if (is_udp)
-	s = format (s, ", udp");
-    }
-
-  if (s2 & IXGE_RX_DESCRIPTOR_STATUS2_IS_TCP_CHECKSUMMED)
-    s = format (s, ", tcp checksum %s",
-		(s2 & IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR) ? "bad" :
-		"ok");
-  if (s2 & IXGE_RX_DESCRIPTOR_STATUS2_IS_UDP_CHECKSUMMED)
-    s = format (s, ", udp checksum %s",
-		(s2 & IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR) ? "bad" :
-		"ok");
-
-  return s;
-}
-
-static u8 *
-format_ixge_tx_descriptor (u8 * s, va_list * va)
-{
-  ixge_tx_descriptor_t *d = va_arg (*va, ixge_tx_descriptor_t *);
-  u32 s0 = d->status0, s1 = d->status1;
-  uword indent = format_get_indent (s);
-  u32 v;
-
-  s = format (s, "buffer 0x%Lx, %d packet bytes, %d bytes this buffer",
-	      d->buffer_address, s1 >> 14, d->n_bytes_this_buffer);
-
-  s = format (s, "\n%U", format_white_space, indent);
-
-  if ((v = (s0 >> 0) & 3))
-    s = format (s, "reserved 0x%x, ", v);
-
-  if ((v = (s0 >> 2) & 3))
-    s = format (s, "mac 0x%x, ", v);
-
-  if ((v = (s0 >> 4) & 0xf) != 3)
-    s = format (s, "type 0x%x, ", v);
-
-  s = format (s, "%s%s%s%s%s%s%s%s",
-	      (s0 & (1 << 8)) ? "eop, " : "",
-	      (s0 & (1 << 9)) ? "insert-fcs, " : "",
-	      (s0 & (1 << 10)) ? "reserved26, " : "",
-	      (s0 & (1 << 11)) ? "report-status, " : "",
-	      (s0 & (1 << 12)) ? "reserved28, " : "",
-	      (s0 & (1 << 13)) ? "is-advanced, " : "",
-	      (s0 & (1 << 14)) ? "vlan-enable, " : "",
-	      (s0 & (1 << 15)) ? "tx-segmentation, " : "");
-
-  if ((v = s1 & 0xf) != 0)
-    s = format (s, "status 0x%x, ", v);
-
-  if ((v = (s1 >> 4) & 0xf))
-    s = format (s, "context 0x%x, ", v);
-
-  if ((v = (s1 >> 8) & 0x3f))
-    s = format (s, "options 0x%x, ", v);
-
-  return s;
-}
-
-typedef struct
-{
-  ixge_descriptor_t before, after;
-
-  u32 buffer_index;
-
-  u16 device_index;
-
-  u8 queue_index;
-
-  u8 is_start_of_packet;
-
-  /* Copy of VLIB buffer; packet data stored in pre_data. */
-  vlib_buffer_t buffer;
-} ixge_rx_dma_trace_t;
-
-static u8 *
-format_ixge_rx_dma_trace (u8 * s, va_list * va)
-{
-  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
-  vlib_node_t *node = va_arg (*va, vlib_node_t *);
-  vnet_main_t *vnm = vnet_get_main ();
-  ixge_rx_dma_trace_t *t = va_arg (*va, ixge_rx_dma_trace_t *);
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, t->device_index);
-  format_function_t *f;
-  uword indent = format_get_indent (s);
-
-  {
-    vnet_sw_interface_t *sw =
-      vnet_get_sw_interface (vnm, xd->vlib_sw_if_index);
-    s =
-      format (s, "%U rx queue %d", format_vnet_sw_interface_name, vnm, sw,
-	      t->queue_index);
-  }
-
-  s = format (s, "\n%Ubefore: %U",
-	      format_white_space, indent,
-	      format_ixge_rx_from_hw_descriptor, &t->before);
-  s = format (s, "\n%Uafter : head/tail address 0x%Lx/0x%Lx",
-	      format_white_space, indent,
-	      t->after.rx_to_hw.head_address, t->after.rx_to_hw.tail_address);
-
-  s = format (s, "\n%Ubuffer 0x%x: %U",
-	      format_white_space, indent,
-	      t->buffer_index, format_vlib_buffer, &t->buffer);
-
-  s = format (s, "\n%U", format_white_space, indent);
-
-  f = node->format_buffer;
-  if (!f || !t->is_start_of_packet)
-    f = format_hex_bytes;
-  s = format (s, "%U", f, t->buffer.pre_data, sizeof (t->buffer.pre_data));
-
-  return s;
-}
-
-#define foreach_ixge_error					\
-  _ (none, "no error")						\
-  _ (tx_full_drops, "tx ring full drops")			\
-  _ (ip4_checksum_error, "ip4 checksum errors")			\
-  _ (rx_alloc_fail, "rx buf alloc from free list failed")	\
-  _ (rx_alloc_no_physmem, "rx buf alloc failed no physmem")
-
-typedef enum
-{
-#define _(f,s) IXGE_ERROR_##f,
-  foreach_ixge_error
-#undef _
-    IXGE_N_ERROR,
-} ixge_error_t;
-
-always_inline void
-ixge_rx_next_and_error_from_status_x1 (ixge_device_t * xd,
-				       u32 s00, u32 s02,
-				       u8 * next0, u8 * error0, u32 * flags0)
-{
-  u8 is0_ip4, is0_ip6, n0, e0;
-  u32 f0;
-
-  e0 = IXGE_ERROR_none;
-  n0 = IXGE_RX_NEXT_ETHERNET_INPUT;
-
-  is0_ip4 = s02 & IXGE_RX_DESCRIPTOR_STATUS2_IS_IP4_CHECKSUMMED;
-  n0 = is0_ip4 ? IXGE_RX_NEXT_IP4_INPUT : n0;
-
-  e0 = (is0_ip4 && (s02 & IXGE_RX_DESCRIPTOR_STATUS2_IP4_CHECKSUM_ERROR)
-	? IXGE_ERROR_ip4_checksum_error : e0);
-
-  is0_ip6 = s00 & IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6;
-  n0 = is0_ip6 ? IXGE_RX_NEXT_IP6_INPUT : n0;
-
-  n0 = (xd->per_interface_next_index != ~0) ?
-    xd->per_interface_next_index : n0;
-
-  /* Check for error. */
-  n0 = e0 != IXGE_ERROR_none ? IXGE_RX_NEXT_DROP : n0;
-
-  f0 = ((s02 & (IXGE_RX_DESCRIPTOR_STATUS2_IS_TCP_CHECKSUMMED
-		| IXGE_RX_DESCRIPTOR_STATUS2_IS_UDP_CHECKSUMMED))
-	? IP_BUFFER_L4_CHECKSUM_COMPUTED : 0);
-
-  f0 |= ((s02 & (IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR
-		 | IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR))
-	 ? 0 : IP_BUFFER_L4_CHECKSUM_CORRECT);
-
-  *error0 = e0;
-  *next0 = n0;
-  *flags0 = f0;
-}
-
-always_inline void
-ixge_rx_next_and_error_from_status_x2 (ixge_device_t * xd,
-				       u32 s00, u32 s02,
-				       u32 s10, u32 s12,
-				       u8 * next0, u8 * error0, u32 * flags0,
-				       u8 * next1, u8 * error1, u32 * flags1)
-{
-  u8 is0_ip4, is0_ip6, n0, e0;
-  u8 is1_ip4, is1_ip6, n1, e1;
-  u32 f0, f1;
-
-  e0 = e1 = IXGE_ERROR_none;
-  n0 = n1 = IXGE_RX_NEXT_IP4_INPUT;
-
-  is0_ip4 = s02 & IXGE_RX_DESCRIPTOR_STATUS2_IS_IP4_CHECKSUMMED;
-  is1_ip4 = s12 & IXGE_RX_DESCRIPTOR_STATUS2_IS_IP4_CHECKSUMMED;
-
-  n0 = is0_ip4 ? IXGE_RX_NEXT_IP4_INPUT : n0;
-  n1 = is1_ip4 ? IXGE_RX_NEXT_IP4_INPUT : n1;
-
-  e0 = (is0_ip4 && (s02 & IXGE_RX_DESCRIPTOR_STATUS2_IP4_CHECKSUM_ERROR)
-	? IXGE_ERROR_ip4_checksum_error : e0);
-  e1 = (is1_ip4 && (s12 & IXGE_RX_DESCRIPTOR_STATUS2_IP4_CHECKSUM_ERROR)
-	? IXGE_ERROR_ip4_checksum_error : e1);
-
-  is0_ip6 = s00 & IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6;
-  is1_ip6 = s10 & IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6;
-
-  n0 = is0_ip6 ? IXGE_RX_NEXT_IP6_INPUT : n0;
-  n1 = is1_ip6 ? IXGE_RX_NEXT_IP6_INPUT : n1;
-
-  n0 = (xd->per_interface_next_index != ~0) ?
-    xd->per_interface_next_index : n0;
-  n1 = (xd->per_interface_next_index != ~0) ?
-    xd->per_interface_next_index : n1;
-
-  /* Check for error. */
-  n0 = e0 != IXGE_ERROR_none ? IXGE_RX_NEXT_DROP : n0;
-  n1 = e1 != IXGE_ERROR_none ? IXGE_RX_NEXT_DROP : n1;
-
-  *error0 = e0;
-  *error1 = e1;
-
-  *next0 = n0;
-  *next1 = n1;
-
-  f0 = ((s02 & (IXGE_RX_DESCRIPTOR_STATUS2_IS_TCP_CHECKSUMMED
-		| IXGE_RX_DESCRIPTOR_STATUS2_IS_UDP_CHECKSUMMED))
-	? IP_BUFFER_L4_CHECKSUM_COMPUTED : 0);
-  f1 = ((s12 & (IXGE_RX_DESCRIPTOR_STATUS2_IS_TCP_CHECKSUMMED
-		| IXGE_RX_DESCRIPTOR_STATUS2_IS_UDP_CHECKSUMMED))
-	? IP_BUFFER_L4_CHECKSUM_COMPUTED : 0);
-
-  f0 |= ((s02 & (IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR
-		 | IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR))
-	 ? 0 : IP_BUFFER_L4_CHECKSUM_CORRECT);
-  f1 |= ((s12 & (IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR
-		 | IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR))
-	 ? 0 : IP_BUFFER_L4_CHECKSUM_CORRECT);
-
-  *flags0 = f0;
-  *flags1 = f1;
-}
-
-static void
-ixge_rx_trace (ixge_main_t * xm,
-	       ixge_device_t * xd,
-	       ixge_dma_queue_t * dq,
-	       ixge_descriptor_t * before_descriptors,
-	       u32 * before_buffers,
-	       ixge_descriptor_t * after_descriptors, uword n_descriptors)
-{
-  vlib_main_t *vm = xm->vlib_main;
-  vlib_node_runtime_t *node = dq->rx.node;
-  ixge_rx_from_hw_descriptor_t *bd;
-  ixge_rx_to_hw_descriptor_t *ad;
-  u32 *b, n_left, is_sop, next_index_sop;
-
-  n_left = n_descriptors;
-  b = before_buffers;
-  bd = &before_descriptors->rx_from_hw;
-  ad = &after_descriptors->rx_to_hw;
-  is_sop = dq->rx.is_start_of_packet;
-  next_index_sop = dq->rx.saved_start_of_packet_next_index;
-
-  while (n_left >= 2)
-    {
-      u32 bi0, bi1, flags0, flags1;
-      vlib_buffer_t *b0, *b1;
-      ixge_rx_dma_trace_t *t0, *t1;
-      u8 next0, error0, next1, error1;
-
-      bi0 = b[0];
-      bi1 = b[1];
-      n_left -= 2;
-
-      b0 = vlib_get_buffer (vm, bi0);
-      b1 = vlib_get_buffer (vm, bi1);
-
-      ixge_rx_next_and_error_from_status_x2 (xd,
-					     bd[0].status[0], bd[0].status[2],
-					     bd[1].status[0], bd[1].status[2],
-					     &next0, &error0, &flags0,
-					     &next1, &error1, &flags1);
-
-      next_index_sop = is_sop ? next0 : next_index_sop;
-      vlib_trace_buffer (vm, node, next_index_sop, b0, /* follow_chain */ 0);
-      t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
-      t0->is_start_of_packet = is_sop;
-      is_sop = (b0->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      next_index_sop = is_sop ? next1 : next_index_sop;
-      vlib_trace_buffer (vm, node, next_index_sop, b1, /* follow_chain */ 0);
-      t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0]));
-      t1->is_start_of_packet = is_sop;
-      is_sop = (b1->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      t0->queue_index = dq->queue_index;
-      t1->queue_index = dq->queue_index;
-      t0->device_index = xd->device_index;
-      t1->device_index = xd->device_index;
-      t0->before.rx_from_hw = bd[0];
-      t1->before.rx_from_hw = bd[1];
-      t0->after.rx_to_hw = ad[0];
-      t1->after.rx_to_hw = ad[1];
-      t0->buffer_index = bi0;
-      t1->buffer_index = bi1;
-      memcpy (&t0->buffer, b0, sizeof (b0[0]) - sizeof (b0->pre_data));
-      memcpy (&t1->buffer, b1, sizeof (b1[0]) - sizeof (b0->pre_data));
-      memcpy (t0->buffer.pre_data, b0->data + b0->current_data,
-	      sizeof (t0->buffer.pre_data));
-      memcpy (t1->buffer.pre_data, b1->data + b1->current_data,
-	      sizeof (t1->buffer.pre_data));
-
-      b += 2;
-      bd += 2;
-      ad += 2;
-    }
-
-  while (n_left >= 1)
-    {
-      u32 bi0, flags0;
-      vlib_buffer_t *b0;
-      ixge_rx_dma_trace_t *t0;
-      u8 next0, error0;
-
-      bi0 = b[0];
-      n_left -= 1;
-
-      b0 = vlib_get_buffer (vm, bi0);
-
-      ixge_rx_next_and_error_from_status_x1 (xd,
-					     bd[0].status[0], bd[0].status[2],
-					     &next0, &error0, &flags0);
-
-      next_index_sop = is_sop ? next0 : next_index_sop;
-      vlib_trace_buffer (vm, node, next_index_sop, b0, /* follow_chain */ 0);
-      t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
-      t0->is_start_of_packet = is_sop;
-      is_sop = (b0->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      t0->queue_index = dq->queue_index;
-      t0->device_index = xd->device_index;
-      t0->before.rx_from_hw = bd[0];
-      t0->after.rx_to_hw = ad[0];
-      t0->buffer_index = bi0;
-      memcpy (&t0->buffer, b0, sizeof (b0[0]) - sizeof (b0->pre_data));
-      memcpy (t0->buffer.pre_data, b0->data + b0->current_data,
-	      sizeof (t0->buffer.pre_data));
-
-      b += 1;
-      bd += 1;
-      ad += 1;
-    }
-}
-
-typedef struct
-{
-  ixge_tx_descriptor_t descriptor;
-
-  u32 buffer_index;
-
-  u16 device_index;
-
-  u8 queue_index;
-
-  u8 is_start_of_packet;
-
-  /* Copy of VLIB buffer; packet data stored in pre_data. */
-  vlib_buffer_t buffer;
-} ixge_tx_dma_trace_t;
-
-static u8 *
-format_ixge_tx_dma_trace (u8 * s, va_list * va)
-{
-  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
-  CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
-  ixge_tx_dma_trace_t *t = va_arg (*va, ixge_tx_dma_trace_t *);
-  vnet_main_t *vnm = vnet_get_main ();
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, t->device_index);
-  format_function_t *f;
-  uword indent = format_get_indent (s);
-
-  {
-    vnet_sw_interface_t *sw =
-      vnet_get_sw_interface (vnm, xd->vlib_sw_if_index);
-    s =
-      format (s, "%U tx queue %d", format_vnet_sw_interface_name, vnm, sw,
-	      t->queue_index);
-  }
-
-  s = format (s, "\n%Udescriptor: %U",
-	      format_white_space, indent,
-	      format_ixge_tx_descriptor, &t->descriptor);
-
-  s = format (s, "\n%Ubuffer 0x%x: %U",
-	      format_white_space, indent,
-	      t->buffer_index, format_vlib_buffer, &t->buffer);
-
-  s = format (s, "\n%U", format_white_space, indent);
-
-  f = format_ethernet_header_with_length;
-  if (!f || !t->is_start_of_packet)
-    f = format_hex_bytes;
-  s = format (s, "%U", f, t->buffer.pre_data, sizeof (t->buffer.pre_data));
-
-  return s;
-}
-
-typedef struct
-{
-  vlib_node_runtime_t *node;
-
-  u32 is_start_of_packet;
-
-  u32 n_bytes_in_packet;
-
-  ixge_tx_descriptor_t *start_of_packet_descriptor;
-} ixge_tx_state_t;
-
-static void
-ixge_tx_trace (ixge_main_t * xm,
-	       ixge_device_t * xd,
-	       ixge_dma_queue_t * dq,
-	       ixge_tx_state_t * tx_state,
-	       ixge_tx_descriptor_t * descriptors,
-	       u32 * buffers, uword n_descriptors)
-{
-  vlib_main_t *vm = xm->vlib_main;
-  vlib_node_runtime_t *node = tx_state->node;
-  ixge_tx_descriptor_t *d;
-  u32 *b, n_left, is_sop;
-
-  n_left = n_descriptors;
-  b = buffers;
-  d = descriptors;
-  is_sop = tx_state->is_start_of_packet;
-
-  while (n_left >= 2)
-    {
-      u32 bi0, bi1;
-      vlib_buffer_t *b0, *b1;
-      ixge_tx_dma_trace_t *t0, *t1;
-
-      bi0 = b[0];
-      bi1 = b[1];
-      n_left -= 2;
-
-      b0 = vlib_get_buffer (vm, bi0);
-      b1 = vlib_get_buffer (vm, bi1);
-
-      t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
-      t0->is_start_of_packet = is_sop;
-      is_sop = (b0->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      t1 = vlib_add_trace (vm, node, b1, sizeof (t1[0]));
-      t1->is_start_of_packet = is_sop;
-      is_sop = (b1->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      t0->queue_index = dq->queue_index;
-      t1->queue_index = dq->queue_index;
-      t0->device_index = xd->device_index;
-      t1->device_index = xd->device_index;
-      t0->descriptor = d[0];
-      t1->descriptor = d[1];
-      t0->buffer_index = bi0;
-      t1->buffer_index = bi1;
-      memcpy (&t0->buffer, b0, sizeof (b0[0]) - sizeof (b0->pre_data));
-      memcpy (&t1->buffer, b1, sizeof (b1[0]) - sizeof (b0->pre_data));
-      memcpy (t0->buffer.pre_data, b0->data + b0->current_data,
-	      sizeof (t0->buffer.pre_data));
-      memcpy (t1->buffer.pre_data, b1->data + b1->current_data,
-	      sizeof (t1->buffer.pre_data));
-
-      b += 2;
-      d += 2;
-    }
-
-  while (n_left >= 1)
-    {
-      u32 bi0;
-      vlib_buffer_t *b0;
-      ixge_tx_dma_trace_t *t0;
-
-      bi0 = b[0];
-      n_left -= 1;
-
-      b0 = vlib_get_buffer (vm, bi0);
-
-      t0 = vlib_add_trace (vm, node, b0, sizeof (t0[0]));
-      t0->is_start_of_packet = is_sop;
-      is_sop = (b0->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      t0->queue_index = dq->queue_index;
-      t0->device_index = xd->device_index;
-      t0->descriptor = d[0];
-      t0->buffer_index = bi0;
-      memcpy (&t0->buffer, b0, sizeof (b0[0]) - sizeof (b0->pre_data));
-      memcpy (t0->buffer.pre_data, b0->data + b0->current_data,
-	      sizeof (t0->buffer.pre_data));
-
-      b += 1;
-      d += 1;
-    }
-}
-
-always_inline uword
-ixge_ring_sub (ixge_dma_queue_t * q, u32 i0, u32 i1)
-{
-  i32 d = i1 - i0;
-  ASSERT (i0 < q->n_descriptors);
-  ASSERT (i1 < q->n_descriptors);
-  return d < 0 ? q->n_descriptors + d : d;
-}
-
-always_inline uword
-ixge_ring_add (ixge_dma_queue_t * q, u32 i0, u32 i1)
-{
-  u32 d = i0 + i1;
-  ASSERT (i0 < q->n_descriptors);
-  ASSERT (i1 < q->n_descriptors);
-  d -= d >= q->n_descriptors ? q->n_descriptors : 0;
-  return d;
-}
-
-always_inline uword
-ixge_tx_descriptor_matches_template (ixge_main_t * xm,
-				     ixge_tx_descriptor_t * d)
-{
-  u32 cmp;
-
-  cmp = ((d->status0 & xm->tx_descriptor_template_mask.status0)
-	 ^ xm->tx_descriptor_template.status0);
-  if (cmp)
-    return 0;
-  cmp = ((d->status1 & xm->tx_descriptor_template_mask.status1)
-	 ^ xm->tx_descriptor_template.status1);
-  if (cmp)
-    return 0;
-
-  return 1;
-}
-
-static uword
-ixge_tx_no_wrap (ixge_main_t * xm,
-		 ixge_device_t * xd,
-		 ixge_dma_queue_t * dq,
-		 u32 * buffers,
-		 u32 start_descriptor_index,
-		 u32 n_descriptors, ixge_tx_state_t * tx_state)
-{
-  vlib_main_t *vm = xm->vlib_main;
-  ixge_tx_descriptor_t *d, *d_sop;
-  u32 n_left = n_descriptors;
-  u32 *to_free = vec_end (xm->tx_buffers_pending_free);
-  u32 *to_tx =
-    vec_elt_at_index (dq->descriptor_buffer_indices, start_descriptor_index);
-  u32 is_sop = tx_state->is_start_of_packet;
-  u32 len_sop = tx_state->n_bytes_in_packet;
-  u16 template_status = xm->tx_descriptor_template.status0;
-  u32 descriptor_prefetch_rotor = 0;
-
-  ASSERT (start_descriptor_index + n_descriptors <= dq->n_descriptors);
-  d = &dq->descriptors[start_descriptor_index].tx;
-  d_sop = is_sop ? d : tx_state->start_of_packet_descriptor;
-
-  while (n_left >= 4)
-    {
-      vlib_buffer_t *b0, *b1;
-      u32 bi0, fi0, len0;
-      u32 bi1, fi1, len1;
-      u8 is_eop0, is_eop1;
-
-      /* Prefetch next iteration. */
-      vlib_prefetch_buffer_with_index (vm, buffers[2], LOAD);
-      vlib_prefetch_buffer_with_index (vm, buffers[3], LOAD);
-
-      if ((descriptor_prefetch_rotor & 0x3) == 0)
-	CLIB_PREFETCH (d + 4, CLIB_CACHE_LINE_BYTES, STORE);
-
-      descriptor_prefetch_rotor += 2;
-
-      bi0 = buffers[0];
-      bi1 = buffers[1];
-
-      to_free[0] = fi0 = to_tx[0];
-      to_tx[0] = bi0;
-      to_free += fi0 != 0;
-
-      to_free[0] = fi1 = to_tx[1];
-      to_tx[1] = bi1;
-      to_free += fi1 != 0;
-
-      buffers += 2;
-      n_left -= 2;
-      to_tx += 2;
-
-      b0 = vlib_get_buffer (vm, bi0);
-      b1 = vlib_get_buffer (vm, bi1);
-
-      is_eop0 = (b0->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-      is_eop1 = (b1->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      len0 = b0->current_length;
-      len1 = b1->current_length;
-
-      ASSERT (ixge_tx_descriptor_matches_template (xm, d + 0));
-      ASSERT (ixge_tx_descriptor_matches_template (xm, d + 1));
-
-      d[0].buffer_address =
-	vlib_get_buffer_data_physical_address (vm, bi0) + b0->current_data;
-      d[1].buffer_address =
-	vlib_get_buffer_data_physical_address (vm, bi1) + b1->current_data;
-
-      d[0].n_bytes_this_buffer = len0;
-      d[1].n_bytes_this_buffer = len1;
-
-      d[0].status0 =
-	template_status | (is_eop0 <<
-			   IXGE_TX_DESCRIPTOR_STATUS0_LOG2_IS_END_OF_PACKET);
-      d[1].status0 =
-	template_status | (is_eop1 <<
-			   IXGE_TX_DESCRIPTOR_STATUS0_LOG2_IS_END_OF_PACKET);
-
-      len_sop = (is_sop ? 0 : len_sop) + len0;
-      d_sop[0].status1 =
-	IXGE_TX_DESCRIPTOR_STATUS1_N_BYTES_IN_PACKET (len_sop);
-      d += 1;
-      d_sop = is_eop0 ? d : d_sop;
-
-      is_sop = is_eop0;
-
-      len_sop = (is_sop ? 0 : len_sop) + len1;
-      d_sop[0].status1 =
-	IXGE_TX_DESCRIPTOR_STATUS1_N_BYTES_IN_PACKET (len_sop);
-      d += 1;
-      d_sop = is_eop1 ? d : d_sop;
-
-      is_sop = is_eop1;
-    }
-
-  while (n_left > 0)
-    {
-      vlib_buffer_t *b0;
-      u32 bi0, fi0, len0;
-      u8 is_eop0;
-
-      bi0 = buffers[0];
-
-      to_free[0] = fi0 = to_tx[0];
-      to_tx[0] = bi0;
-      to_free += fi0 != 0;
-
-      buffers += 1;
-      n_left -= 1;
-      to_tx += 1;
-
-      b0 = vlib_get_buffer (vm, bi0);
-
-      is_eop0 = (b0->flags & VLIB_BUFFER_NEXT_PRESENT) == 0;
-
-      len0 = b0->current_length;
-
-      ASSERT (ixge_tx_descriptor_matches_template (xm, d + 0));
-
-      d[0].buffer_address =
-	vlib_get_buffer_data_physical_address (vm, bi0) + b0->current_data;
-
-      d[0].n_bytes_this_buffer = len0;
-
-      d[0].status0 =
-	template_status | (is_eop0 <<
-			   IXGE_TX_DESCRIPTOR_STATUS0_LOG2_IS_END_OF_PACKET);
-
-      len_sop = (is_sop ? 0 : len_sop) + len0;
-      d_sop[0].status1 =
-	IXGE_TX_DESCRIPTOR_STATUS1_N_BYTES_IN_PACKET (len_sop);
-      d += 1;
-      d_sop = is_eop0 ? d : d_sop;
-
-      is_sop = is_eop0;
-    }
-
-  if (tx_state->node->flags & VLIB_NODE_FLAG_TRACE)
-    {
-      to_tx =
-	vec_elt_at_index (dq->descriptor_buffer_indices,
-			  start_descriptor_index);
-      ixge_tx_trace (xm, xd, dq, tx_state,
-		     &dq->descriptors[start_descriptor_index].tx, to_tx,
-		     n_descriptors);
-    }
-
-  _vec_len (xm->tx_buffers_pending_free) =
-    to_free - xm->tx_buffers_pending_free;
-
-  /* When we are done d_sop can point to end of ring.  Wrap it if so. */
-  {
-    ixge_tx_descriptor_t *d_start = &dq->descriptors[0].tx;
-
-    ASSERT (d_sop - d_start <= dq->n_descriptors);
-    d_sop = d_sop - d_start == dq->n_descriptors ? d_start : d_sop;
-  }
-
-  tx_state->is_start_of_packet = is_sop;
-  tx_state->start_of_packet_descriptor = d_sop;
-  tx_state->n_bytes_in_packet = len_sop;
-
-  return n_descriptors;
-}
-
-static uword
-ixge_interface_tx (vlib_main_t * vm,
-		   vlib_node_runtime_t * node, vlib_frame_t * f)
-{
-  ixge_main_t *xm = &ixge_main;
-  vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, rd->dev_instance);
-  ixge_dma_queue_t *dq;
-  u32 *from, n_left_tx, n_descriptors_to_tx, n_tail_drop;
-  u32 queue_index = 0;		/* fixme parameter */
-  ixge_tx_state_t tx_state;
-
-  tx_state.node = node;
-  tx_state.is_start_of_packet = 1;
-  tx_state.start_of_packet_descriptor = 0;
-  tx_state.n_bytes_in_packet = 0;
-
-  from = vlib_frame_vector_args (f);
-
-  dq = vec_elt_at_index (xd->dma_queues[VLIB_TX], queue_index);
-
-  dq->head_index = dq->tx.head_index_write_back[0];
-
-  /* Since head == tail means ring is empty we can send up to dq->n_descriptors - 1. */
-  n_left_tx = dq->n_descriptors - 1;
-  n_left_tx -= ixge_ring_sub (dq, dq->head_index, dq->tail_index);
-
-  _vec_len (xm->tx_buffers_pending_free) = 0;
-
-  n_descriptors_to_tx = f->n_vectors;
-  n_tail_drop = 0;
-  if (PREDICT_FALSE (n_descriptors_to_tx > n_left_tx))
-    {
-      i32 i, n_ok, i_eop, i_sop;
-
-      i_sop = i_eop = ~0;
-      for (i = n_left_tx - 1; i >= 0; i--)
-	{
-	  vlib_buffer_t *b = vlib_get_buffer (vm, from[i]);
-	  if (!(b->flags & VLIB_BUFFER_NEXT_PRESENT))
-	    {
-	      if (i_sop != ~0 && i_eop != ~0)
-		break;
-	      i_eop = i;
-	      i_sop = i + 1;
-	    }
-	}
-      if (i == 0)
-	n_ok = 0;
-      else
-	n_ok = i_eop + 1;
-
-      {
-	ELOG_TYPE_DECLARE (e) =
-	{
-	.function = (char *) __FUNCTION__,.format =
-	    "ixge %d, ring full to tx %d head %d tail %d",.format_args =
-	    "i2i2i2i2",};
-	struct
-	{
-	  u16 instance, to_tx, head, tail;
-	} *ed;
-	ed = ELOG_DATA (&vm->elog_main, e);
-	ed->instance = xd->device_index;
-	ed->to_tx = n_descriptors_to_tx;
-	ed->head = dq->head_index;
-	ed->tail = dq->tail_index;
-      }
-
-      if (n_ok < n_descriptors_to_tx)
-	{
-	  n_tail_drop = n_descriptors_to_tx - n_ok;
-	  vec_add (xm->tx_buffers_pending_free, from + n_ok, n_tail_drop);
-	  vlib_error_count (vm, ixge_input_node.index,
-			    IXGE_ERROR_tx_full_drops, n_tail_drop);
-	}
-
-      n_descriptors_to_tx = n_ok;
-    }
-
-  dq->tx.n_buffers_on_ring += n_descriptors_to_tx;
-
-  /* Process from tail to end of descriptor ring. */
-  if (n_descriptors_to_tx > 0 && dq->tail_index < dq->n_descriptors)
-    {
-      u32 n =
-	clib_min (dq->n_descriptors - dq->tail_index, n_descriptors_to_tx);
-      n = ixge_tx_no_wrap (xm, xd, dq, from, dq->tail_index, n, &tx_state);
-      from += n;
-      n_descriptors_to_tx -= n;
-      dq->tail_index += n;
-      ASSERT (dq->tail_index <= dq->n_descriptors);
-      if (dq->tail_index == dq->n_descriptors)
-	dq->tail_index = 0;
-    }
-
-  if (n_descriptors_to_tx > 0)
-    {
-      u32 n =
-	ixge_tx_no_wrap (xm, xd, dq, from, 0, n_descriptors_to_tx, &tx_state);
-      from += n;
-      ASSERT (n == n_descriptors_to_tx);
-      dq->tail_index += n;
-      ASSERT (dq->tail_index <= dq->n_descriptors);
-      if (dq->tail_index == dq->n_descriptors)
-	dq->tail_index = 0;
-    }
-
-  /* We should only get full packets. */
-  ASSERT (tx_state.is_start_of_packet);
-
-  /* Report status when last descriptor is done. */
-  {
-    u32 i = dq->tail_index == 0 ? dq->n_descriptors - 1 : dq->tail_index - 1;
-    ixge_tx_descriptor_t *d = &dq->descriptors[i].tx;
-    d->status0 |= IXGE_TX_DESCRIPTOR_STATUS0_REPORT_STATUS;
-  }
-
-  /* Give new descriptors to hardware. */
-  {
-    ixge_dma_regs_t *dr = get_dma_regs (xd, VLIB_TX, queue_index);
-
-    CLIB_MEMORY_BARRIER ();
-
-    dr->tail_index = dq->tail_index;
-  }
-
-  /* Free any buffers that are done. */
-  {
-    u32 n = _vec_len (xm->tx_buffers_pending_free);
-    if (n > 0)
-      {
-	vlib_buffer_free_no_next (vm, xm->tx_buffers_pending_free, n);
-	_vec_len (xm->tx_buffers_pending_free) = 0;
-	ASSERT (dq->tx.n_buffers_on_ring >= n);
-	dq->tx.n_buffers_on_ring -= (n - n_tail_drop);
-      }
-  }
-
-  return f->n_vectors;
-}
-
-static uword
-ixge_rx_queue_no_wrap (ixge_main_t * xm,
-		       ixge_device_t * xd,
-		       ixge_dma_queue_t * dq,
-		       u32 start_descriptor_index, u32 n_descriptors)
-{
-  vlib_main_t *vm = xm->vlib_main;
-  vlib_node_runtime_t *node = dq->rx.node;
-  ixge_descriptor_t *d;
-  static ixge_descriptor_t *d_trace_save;
-  static u32 *d_trace_buffers;
-  u32 n_descriptors_left = n_descriptors;
-  u32 *to_rx =
-    vec_elt_at_index (dq->descriptor_buffer_indices, start_descriptor_index);
-  u32 *to_add;
-  u32 bi_sop = dq->rx.saved_start_of_packet_buffer_index;
-  u32 bi_last = dq->rx.saved_last_buffer_index;
-  u32 next_index_sop = dq->rx.saved_start_of_packet_next_index;
-  u32 is_sop = dq->rx.is_start_of_packet;
-  u32 next_index, n_left_to_next, *to_next;
-  u32 n_packets = 0;
-  u32 n_bytes = 0;
-  u32 n_trace = vlib_get_trace_count (vm, node);
-  vlib_buffer_t *b_last, b_dummy;
-
-  ASSERT (start_descriptor_index + n_descriptors <= dq->n_descriptors);
-  d = &dq->descriptors[start_descriptor_index];
-
-  b_last = bi_last != ~0 ? vlib_get_buffer (vm, bi_last) : &b_dummy;
-  next_index = dq->rx.next_index;
-
-  if (n_trace > 0)
-    {
-      u32 n = clib_min (n_trace, n_descriptors);
-      if (d_trace_save)
-	{
-	  _vec_len (d_trace_save) = 0;
-	  _vec_len (d_trace_buffers) = 0;
-	}
-      vec_add (d_trace_save, (ixge_descriptor_t *) d, n);
-      vec_add (d_trace_buffers, to_rx, n);
-    }
-
-  {
-    uword l = vec_len (xm->rx_buffers_to_add);
-
-    if (l < n_descriptors_left)
-      {
-	u32 n_to_alloc = 2 * dq->n_descriptors - l;
-	u32 n_allocated;
-
-	vec_resize (xm->rx_buffers_to_add, n_to_alloc);
-
-	_vec_len (xm->rx_buffers_to_add) = l;
-	n_allocated = vlib_buffer_alloc_from_free_list
-	  (vm, xm->rx_buffers_to_add + l, n_to_alloc,
-	   xm->vlib_buffer_free_list_index);
-	_vec_len (xm->rx_buffers_to_add) += n_allocated;
-
-	/* Handle transient allocation failure */
-	if (PREDICT_FALSE (l + n_allocated <= n_descriptors_left))
-	  {
-	    if (n_allocated == 0)
-	      vlib_error_count (vm, ixge_input_node.index,
-				IXGE_ERROR_rx_alloc_no_physmem, 1);
-	    else
-	      vlib_error_count (vm, ixge_input_node.index,
-				IXGE_ERROR_rx_alloc_fail, 1);
-
-	    n_descriptors_left = l + n_allocated;
-	  }
-	n_descriptors = n_descriptors_left;
-      }
-
-    /* Add buffers from end of vector going backwards. */
-    to_add = vec_end (xm->rx_buffers_to_add) - 1;
-  }
-
-  while (n_descriptors_left > 0)
-    {
-      vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
-      while (n_descriptors_left >= 4 && n_left_to_next >= 2)
-	{
-	  vlib_buffer_t *b0, *b1;
-	  u32 bi0, fi0, len0, l3_offset0, s20, s00, flags0;
-	  u32 bi1, fi1, len1, l3_offset1, s21, s01, flags1;
-	  u8 is_eop0, error0, next0;
-	  u8 is_eop1, error1, next1;
-	  ixge_descriptor_t d0, d1;
-
-	  vlib_prefetch_buffer_with_index (vm, to_rx[2], STORE);
-	  vlib_prefetch_buffer_with_index (vm, to_rx[3], STORE);
-
-	  CLIB_PREFETCH (d + 2, 32, STORE);
-
-	  d0.as_u32x4 = d[0].as_u32x4;
-	  d1.as_u32x4 = d[1].as_u32x4;
-
-	  s20 = d0.rx_from_hw.status[2];
-	  s21 = d1.rx_from_hw.status[2];
-
-	  s00 = d0.rx_from_hw.status[0];
-	  s01 = d1.rx_from_hw.status[0];
-
-	  if (!
-	      ((s20 & s21) & IXGE_RX_DESCRIPTOR_STATUS2_IS_OWNED_BY_SOFTWARE))
-	    goto found_hw_owned_descriptor_x2;
-
-	  bi0 = to_rx[0];
-	  bi1 = to_rx[1];
-
-	  ASSERT (to_add - 1 >= xm->rx_buffers_to_add);
-	  fi0 = to_add[0];
-	  fi1 = to_add[-1];
-
-	  to_rx[0] = fi0;
-	  to_rx[1] = fi1;
-	  to_rx += 2;
-	  to_add -= 2;
-
-	  ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED ==
-		  vlib_buffer_is_known (vm, bi0));
-	  ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED ==
-		  vlib_buffer_is_known (vm, bi1));
-	  ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED ==
-		  vlib_buffer_is_known (vm, fi0));
-	  ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED ==
-		  vlib_buffer_is_known (vm, fi1));
-
-	  b0 = vlib_get_buffer (vm, bi0);
-	  b1 = vlib_get_buffer (vm, bi1);
-
-	  /*
-	   * Turn this on if you run into
-	   * "bad monkey" contexts, and you want to know exactly
-	   * which nodes they've visited... See main.c...
-	   */
-	  VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
-	  VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1);
-
-	  CLIB_PREFETCH (b0->data, CLIB_CACHE_LINE_BYTES, LOAD);
-	  CLIB_PREFETCH (b1->data, CLIB_CACHE_LINE_BYTES, LOAD);
-
-	  is_eop0 = (s20 & IXGE_RX_DESCRIPTOR_STATUS2_IS_END_OF_PACKET) != 0;
-	  is_eop1 = (s21 & IXGE_RX_DESCRIPTOR_STATUS2_IS_END_OF_PACKET) != 0;
-
-	  ixge_rx_next_and_error_from_status_x2 (xd, s00, s20, s01, s21,
-						 &next0, &error0, &flags0,
-						 &next1, &error1, &flags1);
-
-	  next0 = is_sop ? next0 : next_index_sop;
-	  next1 = is_eop0 ? next1 : next0;
-	  next_index_sop = next1;
-
-	  b0->flags |= flags0 | (!is_eop0 << VLIB_BUFFER_LOG2_NEXT_PRESENT);
-	  b1->flags |= flags1 | (!is_eop1 << VLIB_BUFFER_LOG2_NEXT_PRESENT);
-
-	  vnet_buffer (b0)->sw_if_index[VLIB_RX] = xd->vlib_sw_if_index;
-	  vnet_buffer (b1)->sw_if_index[VLIB_RX] = xd->vlib_sw_if_index;
-	  vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
-	  vnet_buffer (b1)->sw_if_index[VLIB_TX] = (u32) ~ 0;
-
-	  b0->error = node->errors[error0];
-	  b1->error = node->errors[error1];
-
-	  len0 = d0.rx_from_hw.n_packet_bytes_this_descriptor;
-	  len1 = d1.rx_from_hw.n_packet_bytes_this_descriptor;
-	  n_bytes += len0 + len1;
-	  n_packets += is_eop0 + is_eop1;
-
-	  /* Give new buffers to hardware. */
-	  d0.rx_to_hw.tail_address =
-	    vlib_get_buffer_data_physical_address (vm, fi0);
-	  d1.rx_to_hw.tail_address =
-	    vlib_get_buffer_data_physical_address (vm, fi1);
-	  d0.rx_to_hw.head_address = d[0].rx_to_hw.tail_address;
-	  d1.rx_to_hw.head_address = d[1].rx_to_hw.tail_address;
-	  d[0].as_u32x4 = d0.as_u32x4;
-	  d[1].as_u32x4 = d1.as_u32x4;
-
-	  d += 2;
-	  n_descriptors_left -= 2;
-
-	  /* Point to either l2 or l3 header depending on next. */
-	  l3_offset0 = (is_sop && (next0 != IXGE_RX_NEXT_ETHERNET_INPUT))
-	    ? IXGE_RX_DESCRIPTOR_STATUS0_L3_OFFSET (s00) : 0;
-	  l3_offset1 = (is_eop0 && (next1 != IXGE_RX_NEXT_ETHERNET_INPUT))
-	    ? IXGE_RX_DESCRIPTOR_STATUS0_L3_OFFSET (s01) : 0;
-
-	  b0->current_length = len0 - l3_offset0;
-	  b1->current_length = len1 - l3_offset1;
-	  b0->current_data = l3_offset0;
-	  b1->current_data = l3_offset1;
-
-	  b_last->next_buffer = is_sop ? ~0 : bi0;
-	  b0->next_buffer = is_eop0 ? ~0 : bi1;
-	  bi_last = bi1;
-	  b_last = b1;
-
-	  if (CLIB_DEBUG > 0)
-	    {
-	      u32 bi_sop0 = is_sop ? bi0 : bi_sop;
-	      u32 bi_sop1 = is_eop0 ? bi1 : bi_sop0;
-
-	      if (is_eop0)
-		{
-		  u8 *msg = vlib_validate_buffer (vm, bi_sop0,
-						  /* follow_buffer_next */ 1);
-		  ASSERT (!msg);
-		}
-	      if (is_eop1)
-		{
-		  u8 *msg = vlib_validate_buffer (vm, bi_sop1,
-						  /* follow_buffer_next */ 1);
-		  ASSERT (!msg);
-		}
-	    }
-	  if (0)		/* "Dave" version */
-	    {
-	      u32 bi_sop0 = is_sop ? bi0 : bi_sop;
-	      u32 bi_sop1 = is_eop0 ? bi1 : bi_sop0;
-
-	      if (is_eop0)
-		{
-		  to_next[0] = bi_sop0;
-		  to_next++;
-		  n_left_to_next--;
-
-		  vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
-						   to_next, n_left_to_next,
-						   bi_sop0, next0);
-		}
-	      if (is_eop1)
-		{
-		  to_next[0] = bi_sop1;
-		  to_next++;
-		  n_left_to_next--;
-
-		  vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
-						   to_next, n_left_to_next,
-						   bi_sop1, next1);
-		}
-	      is_sop = is_eop1;
-	      bi_sop = bi_sop1;
-	    }
-	  if (1)		/* "Eliot" version */
-	    {
-	      /* Speculatively enqueue to cached next. */
-	      u8 saved_is_sop = is_sop;
-	      u32 bi_sop_save = bi_sop;
-
-	      bi_sop = saved_is_sop ? bi0 : bi_sop;
-	      to_next[0] = bi_sop;
-	      to_next += is_eop0;
-	      n_left_to_next -= is_eop0;
-
-	      bi_sop = is_eop0 ? bi1 : bi_sop;
-	      to_next[0] = bi_sop;
-	      to_next += is_eop1;
-	      n_left_to_next -= is_eop1;
-
-	      is_sop = is_eop1;
-
-	      if (PREDICT_FALSE
-		  (!(next0 == next_index && next1 == next_index)))
-		{
-		  /* Undo speculation. */
-		  to_next -= is_eop0 + is_eop1;
-		  n_left_to_next += is_eop0 + is_eop1;
-
-		  /* Re-do both descriptors being careful about where we enqueue. */
-		  bi_sop = saved_is_sop ? bi0 : bi_sop_save;
-		  if (is_eop0)
-		    {
-		      if (next0 != next_index)
-			vlib_set_next_frame_buffer (vm, node, next0, bi_sop);
-		      else
-			{
-			  to_next[0] = bi_sop;
-			  to_next += 1;
-			  n_left_to_next -= 1;
-			}
-		    }
-
-		  bi_sop = is_eop0 ? bi1 : bi_sop;
-		  if (is_eop1)
-		    {
-		      if (next1 != next_index)
-			vlib_set_next_frame_buffer (vm, node, next1, bi_sop);
-		      else
-			{
-			  to_next[0] = bi_sop;
-			  to_next += 1;
-			  n_left_to_next -= 1;
-			}
-		    }
-
-		  /* Switch cached next index when next for both packets is the same. */
-		  if (is_eop0 && is_eop1 && next0 == next1)
-		    {
-		      vlib_put_next_frame (vm, node, next_index,
-					   n_left_to_next);
-		      next_index = next0;
-		      vlib_get_next_frame (vm, node, next_index,
-					   to_next, n_left_to_next);
-		    }
-		}
-	    }
-	}
-
-      /* Bail out of dual loop and proceed with single loop. */
-    found_hw_owned_descriptor_x2:
-
-      while (n_descriptors_left > 0 && n_left_to_next > 0)
-	{
-	  vlib_buffer_t *b0;
-	  u32 bi0, fi0, len0, l3_offset0, s20, s00, flags0;
-	  u8 is_eop0, error0, next0;
-	  ixge_descriptor_t d0;
-
-	  d0.as_u32x4 = d[0].as_u32x4;
-
-	  s20 = d0.rx_from_hw.status[2];
-	  s00 = d0.rx_from_hw.status[0];
-
-	  if (!(s20 & IXGE_RX_DESCRIPTOR_STATUS2_IS_OWNED_BY_SOFTWARE))
-	    goto found_hw_owned_descriptor_x1;
-
-	  bi0 = to_rx[0];
-	  ASSERT (to_add >= xm->rx_buffers_to_add);
-	  fi0 = to_add[0];
-
-	  to_rx[0] = fi0;
-	  to_rx += 1;
-	  to_add -= 1;
-
-	  ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED ==
-		  vlib_buffer_is_known (vm, bi0));
-	  ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED ==
-		  vlib_buffer_is_known (vm, fi0));
-
-	  b0 = vlib_get_buffer (vm, bi0);
-
-	  /*
-	   * Turn this on if you run into
-	   * "bad monkey" contexts, and you want to know exactly
-	   * which nodes they've visited...
-	   */
-	  VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
-
-	  is_eop0 = (s20 & IXGE_RX_DESCRIPTOR_STATUS2_IS_END_OF_PACKET) != 0;
-	  ixge_rx_next_and_error_from_status_x1
-	    (xd, s00, s20, &next0, &error0, &flags0);
-
-	  next0 = is_sop ? next0 : next_index_sop;
-	  next_index_sop = next0;
-
-	  b0->flags |= flags0 | (!is_eop0 << VLIB_BUFFER_LOG2_NEXT_PRESENT);
-
-	  vnet_buffer (b0)->sw_if_index[VLIB_RX] = xd->vlib_sw_if_index;
-	  vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
-
-	  b0->error = node->errors[error0];
-
-	  len0 = d0.rx_from_hw.n_packet_bytes_this_descriptor;
-	  n_bytes += len0;
-	  n_packets += is_eop0;
-
-	  /* Give new buffer to hardware. */
-	  d0.rx_to_hw.tail_address =
-	    vlib_get_buffer_data_physical_address (vm, fi0);
-	  d0.rx_to_hw.head_address = d0.rx_to_hw.tail_address;
-	  d[0].as_u32x4 = d0.as_u32x4;
-
-	  d += 1;
-	  n_descriptors_left -= 1;
-
-	  /* Point to either l2 or l3 header depending on next. */
-	  l3_offset0 = (is_sop && (next0 != IXGE_RX_NEXT_ETHERNET_INPUT))
-	    ? IXGE_RX_DESCRIPTOR_STATUS0_L3_OFFSET (s00) : 0;
-	  b0->current_length = len0 - l3_offset0;
-	  b0->current_data = l3_offset0;
-
-	  b_last->next_buffer = is_sop ? ~0 : bi0;
-	  bi_last = bi0;
-	  b_last = b0;
-
-	  bi_sop = is_sop ? bi0 : bi_sop;
-
-	  if (CLIB_DEBUG > 0 && is_eop0)
-	    {
-	      u8 *msg =
-		vlib_validate_buffer (vm, bi_sop, /* follow_buffer_next */ 1);
-	      ASSERT (!msg);
-	    }
-
-	  if (0)		/* "Dave" version */
-	    {
-	      if (is_eop0)
-		{
-		  to_next[0] = bi_sop;
-		  to_next++;
-		  n_left_to_next--;
-
-		  vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
-						   to_next, n_left_to_next,
-						   bi_sop, next0);
-		}
-	    }
-	  if (1)		/* "Eliot" version */
-	    {
-	      if (PREDICT_TRUE (next0 == next_index))
-		{
-		  to_next[0] = bi_sop;
-		  to_next += is_eop0;
-		  n_left_to_next -= is_eop0;
-		}
-	      else
-		{
-		  if (next0 != next_index && is_eop0)
-		    vlib_set_next_frame_buffer (vm, node, next0, bi_sop);
-
-		  vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-		  next_index = next0;
-		  vlib_get_next_frame (vm, node, next_index,
-				       to_next, n_left_to_next);
-		}
-	    }
-	  is_sop = is_eop0;
-	}
-      vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-    }
-
-found_hw_owned_descriptor_x1:
-  if (n_descriptors_left > 0)
-    vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-
-  _vec_len (xm->rx_buffers_to_add) = (to_add + 1) - xm->rx_buffers_to_add;
-
-  {
-    u32 n_done = n_descriptors - n_descriptors_left;
-
-    if (n_trace > 0 && n_done > 0)
-      {
-	u32 n = clib_min (n_trace, n_done);
-	ixge_rx_trace (xm, xd, dq,
-		       d_trace_save,
-		       d_trace_buffers,
-		       &dq->descriptors[start_descriptor_index], n);
-	vlib_set_trace_count (vm, node, n_trace - n);
-      }
-    if (d_trace_save)
-      {
-	_vec_len (d_trace_save) = 0;
-	_vec_len (d_trace_buffers) = 0;
-      }
-
-    /* Don't keep a reference to b_last if we don't have to.
-       Otherwise we can over-write a next_buffer pointer after already haven
-       enqueued a packet. */
-    if (is_sop)
-      {
-	b_last->next_buffer = ~0;
-	bi_last = ~0;
-      }
-
-    dq->rx.n_descriptors_done_this_call = n_done;
-    dq->rx.n_descriptors_done_total += n_done;
-    dq->rx.is_start_of_packet = is_sop;
-    dq->rx.saved_start_of_packet_buffer_index = bi_sop;
-    dq->rx.saved_last_buffer_index = bi_last;
-    dq->rx.saved_start_of_packet_next_index = next_index_sop;
-    dq->rx.next_index = next_index;
-    dq->rx.n_bytes += n_bytes;
-
-    return n_packets;
-  }
-}
-
-static uword
-ixge_rx_queue (ixge_main_t * xm,
-	       ixge_device_t * xd,
-	       vlib_node_runtime_t * node, u32 queue_index)
-{
-  ixge_dma_queue_t *dq =
-    vec_elt_at_index (xd->dma_queues[VLIB_RX], queue_index);
-  ixge_dma_regs_t *dr = get_dma_regs (xd, VLIB_RX, dq->queue_index);
-  uword n_packets = 0;
-  u32 hw_head_index, sw_head_index;
-
-  /* One time initialization. */
-  if (!dq->rx.node)
-    {
-      dq->rx.node = node;
-      dq->rx.is_start_of_packet = 1;
-      dq->rx.saved_start_of_packet_buffer_index = ~0;
-      dq->rx.saved_last_buffer_index = ~0;
-    }
-
-  dq->rx.next_index = node->cached_next_index;
-
-  dq->rx.n_descriptors_done_total = 0;
-  dq->rx.n_descriptors_done_this_call = 0;
-  dq->rx.n_bytes = 0;
-
-  /* Fetch head from hardware and compare to where we think we are. */
-  hw_head_index = dr->head_index;
-  sw_head_index = dq->head_index;
-
-  if (hw_head_index == sw_head_index)
-    goto done;
-
-  if (hw_head_index < sw_head_index)
-    {
-      u32 n_tried = dq->n_descriptors - sw_head_index;
-      n_packets += ixge_rx_queue_no_wrap (xm, xd, dq, sw_head_index, n_tried);
-      sw_head_index =
-	ixge_ring_add (dq, sw_head_index,
-		       dq->rx.n_descriptors_done_this_call);
-
-      if (dq->rx.n_descriptors_done_this_call != n_tried)
-	goto done;
-    }
-  if (hw_head_index >= sw_head_index)
-    {
-      u32 n_tried = hw_head_index - sw_head_index;
-      n_packets += ixge_rx_queue_no_wrap (xm, xd, dq, sw_head_index, n_tried);
-      sw_head_index =
-	ixge_ring_add (dq, sw_head_index,
-		       dq->rx.n_descriptors_done_this_call);
-    }
-
-done:
-  dq->head_index = sw_head_index;
-  dq->tail_index =
-    ixge_ring_add (dq, dq->tail_index, dq->rx.n_descriptors_done_total);
-
-  /* Give tail back to hardware. */
-  CLIB_MEMORY_BARRIER ();
-
-  dr->tail_index = dq->tail_index;
-
-  vlib_increment_combined_counter (vnet_main.
-				   interface_main.combined_sw_if_counters +
-				   VNET_INTERFACE_COUNTER_RX,
-				   0 /* cpu_index */ ,
-				   xd->vlib_sw_if_index, n_packets,
-				   dq->rx.n_bytes);
-
-  return n_packets;
-}
-
-static void
-ixge_interrupt (ixge_main_t * xm, ixge_device_t * xd, u32 i)
-{
-  vlib_main_t *vm = xm->vlib_main;
-  ixge_regs_t *r = xd->regs;
-
-  if (i != 20)
-    {
-      ELOG_TYPE_DECLARE (e) =
-      {
-	.function = (char *) __FUNCTION__,.format =
-	  "ixge %d, %s",.format_args = "i1t1",.n_enum_strings =
-	  16,.enum_strings =
-	{
-      "flow director",
-	    "rx miss",
-	    "pci exception",
-	    "mailbox",
-	    "link status change",
-	    "linksec key exchange",
-	    "manageability event",
-	    "reserved23",
-	    "sdp0",
-	    "sdp1",
-	    "sdp2",
-	    "sdp3",
-	    "ecc", "descriptor handler error", "tcp timer", "other",},};
-      struct
-      {
-	u8 instance;
-	u8 index;
-      } *ed;
-      ed = ELOG_DATA (&vm->elog_main, e);
-      ed->instance = xd->device_index;
-      ed->index = i - 16;
-    }
-  else
-    {
-      u32 v = r->xge_mac.link_status;
-      uword is_up = (v & (1 << 30)) != 0;
-
-      ELOG_TYPE_DECLARE (e) =
-      {
-      .function = (char *) __FUNCTION__,.format =
-	  "ixge %d, link status change 0x%x",.format_args = "i4i4",};
-      struct
-      {
-	u32 instance, link_status;
-      } *ed;
-      ed = ELOG_DATA (&vm->elog_main, e);
-      ed->instance = xd->device_index;
-      ed->link_status = v;
-      xd->link_status_at_last_link_change = v;
-
-      vlib_process_signal_event (vm, ixge_process_node.index,
-				 EVENT_SET_FLAGS,
-				 ((is_up << 31) | xd->vlib_hw_if_index));
-    }
-}
-
-always_inline u32
-clean_block (u32 * b, u32 * t, u32 n_left)
-{
-  u32 *t0 = t;
-
-  while (n_left >= 4)
-    {
-      u32 bi0, bi1, bi2, bi3;
-
-      t[0] = bi0 = b[0];
-      b[0] = 0;
-      t += bi0 != 0;
-
-      t[0] = bi1 = b[1];
-      b[1] = 0;
-      t += bi1 != 0;
-
-      t[0] = bi2 = b[2];
-      b[2] = 0;
-      t += bi2 != 0;
-
-      t[0] = bi3 = b[3];
-      b[3] = 0;
-      t += bi3 != 0;
-
-      b += 4;
-      n_left -= 4;
-    }
-
-  while (n_left > 0)
-    {
-      u32 bi0;
-
-      t[0] = bi0 = b[0];
-      b[0] = 0;
-      t += bi0 != 0;
-      b += 1;
-      n_left -= 1;
-    }
-
-  return t - t0;
-}
-
-static void
-ixge_tx_queue (ixge_main_t * xm, ixge_device_t * xd, u32 queue_index)
-{
-  vlib_main_t *vm = xm->vlib_main;
-  ixge_dma_queue_t *dq =
-    vec_elt_at_index (xd->dma_queues[VLIB_TX], queue_index);
-  u32 n_clean, *b, *t, *t0;
-  i32 n_hw_owned_descriptors;
-  i32 first_to_clean, last_to_clean;
-  u64 hwbp_race = 0;
-
-  /* Handle case where head write back pointer update
-   * arrives after the interrupt during high PCI bus loads.
-   */
-  while ((dq->head_index == dq->tx.head_index_write_back[0]) &&
-	 dq->tx.n_buffers_on_ring && (dq->head_index != dq->tail_index))
-    {
-      hwbp_race++;
-      if (IXGE_HWBP_RACE_ELOG && (hwbp_race == 1))
-	{
-	  ELOG_TYPE_DECLARE (e) =
-	  {
-	  .function = (char *) __FUNCTION__,.format =
-	      "ixge %d tx head index race: head %4d, tail %4d, buffs %4d",.format_args
-	      = "i4i4i4i4",};
-	  struct
-	  {
-	    u32 instance, head_index, tail_index, n_buffers_on_ring;
-	  } *ed;
-	  ed = ELOG_DATA (&vm->elog_main, e);
-	  ed->instance = xd->device_index;
-	  ed->head_index = dq->head_index;
-	  ed->tail_index = dq->tail_index;
-	  ed->n_buffers_on_ring = dq->tx.n_buffers_on_ring;
-	}
-    }
-
-  dq->head_index = dq->tx.head_index_write_back[0];
-  n_hw_owned_descriptors = ixge_ring_sub (dq, dq->head_index, dq->tail_index);
-  ASSERT (dq->tx.n_buffers_on_ring >= n_hw_owned_descriptors);
-  n_clean = dq->tx.n_buffers_on_ring - n_hw_owned_descriptors;
-
-  if (IXGE_HWBP_RACE_ELOG && hwbp_race)
-    {
-      ELOG_TYPE_DECLARE (e) =
-      {
-      .function = (char *) __FUNCTION__,.format =
-	  "ixge %d tx head index race: head %4d, hw_owned %4d, n_clean %4d, retries %d",.format_args
-	  = "i4i4i4i4i4",};
-      struct
-      {
-	u32 instance, head_index, n_hw_owned_descriptors, n_clean, retries;
-      } *ed;
-      ed = ELOG_DATA (&vm->elog_main, e);
-      ed->instance = xd->device_index;
-      ed->head_index = dq->head_index;
-      ed->n_hw_owned_descriptors = n_hw_owned_descriptors;
-      ed->n_clean = n_clean;
-      ed->retries = hwbp_race;
-    }
-
-  /*
-   * This function used to wait until hardware owned zero descriptors.
-   * At high PPS rates, that doesn't happen until the TX ring is
-   * completely full of descriptors which need to be cleaned up.
-   * That, in turn, causes TX ring-full drops and/or long RX service
-   * interruptions.
-   */
-  if (n_clean == 0)
-    return;
-
-  /* Clean the n_clean descriptors prior to the reported hardware head */
-  last_to_clean = dq->head_index - 1;
-  last_to_clean = (last_to_clean < 0) ? last_to_clean + dq->n_descriptors :
-    last_to_clean;
-
-  first_to_clean = (last_to_clean) - (n_clean - 1);
-  first_to_clean = (first_to_clean < 0) ? first_to_clean + dq->n_descriptors :
-    first_to_clean;
-
-  vec_resize (xm->tx_buffers_pending_free, dq->n_descriptors - 1);
-  t0 = t = xm->tx_buffers_pending_free;
-  b = dq->descriptor_buffer_indices + first_to_clean;
-
-  /* Wrap case: clean from first to end, then start to last */
-  if (first_to_clean > last_to_clean)
-    {
-      t += clean_block (b, t, (dq->n_descriptors - 1) - first_to_clean);
-      first_to_clean = 0;
-      b = dq->descriptor_buffer_indices;
-    }
-
-  /* Typical case: clean from first to last */
-  if (first_to_clean <= last_to_clean)
-    t += clean_block (b, t, (last_to_clean - first_to_clean) + 1);
-
-  if (t > t0)
-    {
-      u32 n = t - t0;
-      vlib_buffer_free_no_next (vm, t0, n);
-      ASSERT (dq->tx.n_buffers_on_ring >= n);
-      dq->tx.n_buffers_on_ring -= n;
-      _vec_len (xm->tx_buffers_pending_free) = 0;
-    }
-}
-
-/* RX queue interrupts 0 thru 7; TX 8 thru 15. */
-always_inline uword
-ixge_interrupt_is_rx_queue (uword i)
-{
-  return i < 8;
-}
-
-always_inline uword
-ixge_interrupt_is_tx_queue (uword i)
-{
-  return i >= 8 && i < 16;
-}
-
-always_inline uword
-ixge_tx_queue_to_interrupt (uword i)
-{
-  return 8 + i;
-}
-
-always_inline uword
-ixge_rx_queue_to_interrupt (uword i)
-{
-  return 0 + i;
-}
-
-always_inline uword
-ixge_interrupt_rx_queue (uword i)
-{
-  ASSERT (ixge_interrupt_is_rx_queue (i));
-  return i - 0;
-}
-
-always_inline uword
-ixge_interrupt_tx_queue (uword i)
-{
-  ASSERT (ixge_interrupt_is_tx_queue (i));
-  return i - 8;
-}
-
-static uword
-ixge_device_input (ixge_main_t * xm,
-		   ixge_device_t * xd, vlib_node_runtime_t * node)
-{
-  ixge_regs_t *r = xd->regs;
-  u32 i, s;
-  uword n_rx_packets = 0;
-
-  s = r->interrupt.status_write_1_to_set;
-  if (s)
-    r->interrupt.status_write_1_to_clear = s;
-
-  /* *INDENT-OFF* */
-  foreach_set_bit (i, s, ({
-    if (ixge_interrupt_is_rx_queue (i))
-      n_rx_packets += ixge_rx_queue (xm, xd, node, ixge_interrupt_rx_queue (i));
-
-    else if (ixge_interrupt_is_tx_queue (i))
-      ixge_tx_queue (xm, xd, ixge_interrupt_tx_queue (i));
-
-    else
-      ixge_interrupt (xm, xd, i);
-  }));
-  /* *INDENT-ON* */
-
-  return n_rx_packets;
-}
-
-static uword
-ixge_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * f)
-{
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd;
-  uword n_rx_packets = 0;
-
-  if (node->state == VLIB_NODE_STATE_INTERRUPT)
-    {
-      uword i;
-
-      /* Loop over devices with interrupts. */
-      /* *INDENT-OFF* */
-      foreach_set_bit (i, node->runtime_data[0], ({
-	xd = vec_elt_at_index (xm->devices, i);
-	n_rx_packets += ixge_device_input (xm, xd, node);
-
-	/* Re-enable interrupts since we're going to stay in interrupt mode. */
-	if (! (node->flags & VLIB_NODE_FLAG_SWITCH_FROM_INTERRUPT_TO_POLLING_MODE))
-	  xd->regs->interrupt.enable_write_1_to_set = ~0;
-      }));
-      /* *INDENT-ON* */
-
-      /* Clear mask of devices with pending interrupts. */
-      node->runtime_data[0] = 0;
-    }
-  else
-    {
-      /* Poll all devices for input/interrupts. */
-      vec_foreach (xd, xm->devices)
-      {
-	n_rx_packets += ixge_device_input (xm, xd, node);
-
-	/* Re-enable interrupts when switching out of polling mode. */
-	if (node->flags &
-	    VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE)
-	  xd->regs->interrupt.enable_write_1_to_set = ~0;
-      }
-    }
-
-  return n_rx_packets;
-}
-
-static char *ixge_error_strings[] = {
-#define _(n,s) s,
-  foreach_ixge_error
-#undef _
-};
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ixge_input_node, static) = {
-  .function = ixge_input,
-  .type = VLIB_NODE_TYPE_INPUT,
-  .name = "ixge-input",
-
-  /* Will be enabled if/when hardware is detected. */
-  .state = VLIB_NODE_STATE_DISABLED,
-
-  .format_buffer = format_ethernet_header_with_length,
-  .format_trace = format_ixge_rx_dma_trace,
-
-  .n_errors = IXGE_N_ERROR,
-  .error_strings = ixge_error_strings,
-
-  .n_next_nodes = IXGE_RX_N_NEXT,
-  .next_nodes = {
-    [IXGE_RX_NEXT_DROP] = "error-drop",
-    [IXGE_RX_NEXT_ETHERNET_INPUT] = "ethernet-input",
-    [IXGE_RX_NEXT_IP4_INPUT] = "ip4-input",
-    [IXGE_RX_NEXT_IP6_INPUT] = "ip6-input",
-  },
-};
-
-VLIB_NODE_FUNCTION_MULTIARCH_CLONE (ixge_input)
-CLIB_MULTIARCH_SELECT_FN (ixge_input)
-/* *INDENT-ON* */
-
-static u8 *
-format_ixge_device_name (u8 * s, va_list * args)
-{
-  u32 i = va_arg (*args, u32);
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, i);
-  return format (s, "TenGigabitEthernet%U",
-		 format_vlib_pci_handle, &xd->pci_device.bus_address);
-}
-
-#define IXGE_COUNTER_IS_64_BIT (1 << 0)
-#define IXGE_COUNTER_NOT_CLEAR_ON_READ (1 << 1)
-
-static u8 ixge_counter_flags[] = {
-#define _(a,f) 0,
-#define _64(a,f) IXGE_COUNTER_IS_64_BIT,
-  foreach_ixge_counter
-#undef _
-#undef _64
-};
-
-static void
-ixge_update_counters (ixge_device_t * xd)
-{
-  /* Byte offset for counter registers. */
-  static u32 reg_offsets[] = {
-#define _(a,f) (a) / sizeof (u32),
-#define _64(a,f) _(a,f)
-    foreach_ixge_counter
-#undef _
-#undef _64
-  };
-  volatile u32 *r = (volatile u32 *) xd->regs;
-  int i;
-
-  for (i = 0; i < ARRAY_LEN (xd->counters); i++)
-    {
-      u32 o = reg_offsets[i];
-      xd->counters[i] += r[o];
-      if (ixge_counter_flags[i] & IXGE_COUNTER_NOT_CLEAR_ON_READ)
-	r[o] = 0;
-      if (ixge_counter_flags[i] & IXGE_COUNTER_IS_64_BIT)
-	xd->counters[i] += (u64) r[o + 1] << (u64) 32;
-    }
-}
-
-static u8 *
-format_ixge_device_id (u8 * s, va_list * args)
-{
-  u32 device_id = va_arg (*args, u32);
-  char *t = 0;
-  switch (device_id)
-    {
-#define _(f,n) case n: t = #f; break;
-      foreach_ixge_pci_device_id;
-#undef _
-    default:
-      t = 0;
-      break;
-    }
-  if (t == 0)
-    s = format (s, "unknown 0x%x", device_id);
-  else
-    s = format (s, "%s", t);
-  return s;
-}
-
-static u8 *
-format_ixge_link_status (u8 * s, va_list * args)
-{
-  ixge_device_t *xd = va_arg (*args, ixge_device_t *);
-  u32 v = xd->link_status_at_last_link_change;
-
-  s = format (s, "%s", (v & (1 << 30)) ? "up" : "down");
-
-  {
-    char *modes[] = {
-      "1g", "10g parallel", "10g serial", "autoneg",
-    };
-    char *speeds[] = {
-      "unknown", "100m", "1g", "10g",
-    };
-    s = format (s, ", mode %s, speed %s",
-		modes[(v >> 26) & 3], speeds[(v >> 28) & 3]);
-  }
-
-  return s;
-}
-
-static u8 *
-format_ixge_device (u8 * s, va_list * args)
-{
-  u32 dev_instance = va_arg (*args, u32);
-  CLIB_UNUSED (int verbose) = va_arg (*args, int);
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, dev_instance);
-  ixge_phy_t *phy = xd->phys + xd->phy_index;
-  uword indent = format_get_indent (s);
-
-  ixge_update_counters (xd);
-  xd->link_status_at_last_link_change = xd->regs->xge_mac.link_status;
-
-  s = format (s, "Intel 8259X: id %U\n%Ulink %U",
-	      format_ixge_device_id, xd->device_id,
-	      format_white_space, indent + 2, format_ixge_link_status, xd);
-
-  {
-
-    s = format (s, "\n%UPCIe %U", format_white_space, indent + 2,
-		format_vlib_pci_link_speed, &xd->pci_device);
-  }
-
-  s = format (s, "\n%U", format_white_space, indent + 2);
-  if (phy->mdio_address != ~0)
-    s = format (s, "PHY address %d, id 0x%x", phy->mdio_address, phy->id);
-  else if (xd->sfp_eeprom.id == SFP_ID_sfp)
-    s = format (s, "SFP %U", format_sfp_eeprom, &xd->sfp_eeprom);
-  else
-    s = format (s, "PHY not found");
-
-  /* FIXME */
-  {
-    ixge_dma_queue_t *dq = vec_elt_at_index (xd->dma_queues[VLIB_RX], 0);
-    ixge_dma_regs_t *dr = get_dma_regs (xd, VLIB_RX, 0);
-    u32 hw_head_index = dr->head_index;
-    u32 sw_head_index = dq->head_index;
-    u32 nitems;
-
-    nitems = ixge_ring_sub (dq, hw_head_index, sw_head_index);
-    s = format (s, "\n%U%d unprocessed, %d total buffers on rx queue 0 ring",
-		format_white_space, indent + 2, nitems, dq->n_descriptors);
-
-    s = format (s, "\n%U%d buffers in driver rx cache",
-		format_white_space, indent + 2,
-		vec_len (xm->rx_buffers_to_add));
-
-    s = format (s, "\n%U%d buffers on tx queue 0 ring",
-		format_white_space, indent + 2,
-		xd->dma_queues[VLIB_TX][0].tx.n_buffers_on_ring);
-  }
-  {
-    u32 i;
-    u64 v;
-    static char *names[] = {
-#define _(a,f) #f,
-#define _64(a,f) _(a,f)
-      foreach_ixge_counter
-#undef _
-#undef _64
-    };
-
-    for (i = 0; i < ARRAY_LEN (names); i++)
-      {
-	v = xd->counters[i] - xd->counters_last_clear[i];
-	if (v != 0)
-	  s = format (s, "\n%U%-40U%16Ld",
-		      format_white_space, indent + 2,
-		      format_c_identifier, names[i], v);
-      }
-  }
-
-  return s;
-}
-
-static void
-ixge_clear_hw_interface_counters (u32 instance)
-{
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, instance);
-  ixge_update_counters (xd);
-  memcpy (xd->counters_last_clear, xd->counters, sizeof (xd->counters));
-}
-
-/*
- * Dynamically redirect all pkts from a specific interface
- * to the specified node
- */
-static void
-ixge_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
-			      u32 node_index)
-{
-  ixge_main_t *xm = &ixge_main;
-  vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
-  ixge_device_t *xd = vec_elt_at_index (xm->devices, hw->dev_instance);
-
-  /* Shut off redirection */
-  if (node_index == ~0)
-    {
-      xd->per_interface_next_index = node_index;
-      return;
-    }
-
-  xd->per_interface_next_index =
-    vlib_node_add_next (xm->vlib_main, ixge_input_node.index, node_index);
-}
-
-
-/* *INDENT-OFF* */
-VNET_DEVICE_CLASS (ixge_device_class) = {
-  .name = "ixge",
-  .tx_function = ixge_interface_tx,
-  .format_device_name = format_ixge_device_name,
-  .format_device = format_ixge_device,
-  .format_tx_trace = format_ixge_tx_dma_trace,
-  .clear_counters = ixge_clear_hw_interface_counters,
-  .admin_up_down_function = ixge_interface_admin_up_down,
-  .rx_redirect_to_node = ixge_set_interface_next_node,
-  .flatten_output_chains = 1,
-};
-/* *INDENT-ON* */
-
-#define IXGE_N_BYTES_IN_RX_BUFFER  (2048)	// DAW-HACK: Set Rx buffer size so all packets < ETH_MTU_SIZE fit in the buffer (i.e. sop & eop for all descriptors).
-
-static clib_error_t *
-ixge_dma_init (ixge_device_t * xd, vlib_rx_or_tx_t rt, u32 queue_index)
-{
-  ixge_main_t *xm = &ixge_main;
-  vlib_main_t *vm = xm->vlib_main;
-  ixge_dma_queue_t *dq;
-  clib_error_t *error = 0;
-
-  vec_validate (xd->dma_queues[rt], queue_index);
-  dq = vec_elt_at_index (xd->dma_queues[rt], queue_index);
-
-  if (!xm->n_descriptors_per_cache_line)
-    xm->n_descriptors_per_cache_line =
-      CLIB_CACHE_LINE_BYTES / sizeof (dq->descriptors[0]);
-
-  if (!xm->n_bytes_in_rx_buffer)
-    xm->n_bytes_in_rx_buffer = IXGE_N_BYTES_IN_RX_BUFFER;
-  xm->n_bytes_in_rx_buffer = round_pow2 (xm->n_bytes_in_rx_buffer, 1024);
-  if (!xm->vlib_buffer_free_list_index)
-    {
-      xm->vlib_buffer_free_list_index =
-	vlib_buffer_get_or_create_free_list (vm, xm->n_bytes_in_rx_buffer,
-					     "ixge rx");
-      ASSERT (xm->vlib_buffer_free_list_index != 0);
-    }
-
-  if (!xm->n_descriptors[rt])
-    xm->n_descriptors[rt] = 4 * VLIB_FRAME_SIZE;
-
-  dq->queue_index = queue_index;
-  dq->n_descriptors =
-    round_pow2 (xm->n_descriptors[rt], xm->n_descriptors_per_cache_line);
-  dq->head_index = dq->tail_index = 0;
-
-  dq->descriptors = vlib_physmem_alloc_aligned (vm, &error,
-						dq->n_descriptors *
-						sizeof (dq->descriptors[0]),
-						128 /* per chip spec */ );
-  if (error)
-    return error;
-
-  memset (dq->descriptors, 0,
-	  dq->n_descriptors * sizeof (dq->descriptors[0]));
-  vec_resize (dq->descriptor_buffer_indices, dq->n_descriptors);
-
-  if (rt == VLIB_RX)
-    {
-      u32 n_alloc, i;
-
-      n_alloc = vlib_buffer_alloc_from_free_list
-	(vm, dq->descriptor_buffer_indices,
-	 vec_len (dq->descriptor_buffer_indices),
-	 xm->vlib_buffer_free_list_index);
-      ASSERT (n_alloc == vec_len (dq->descriptor_buffer_indices));
-      for (i = 0; i < n_alloc; i++)
-	{
-	  vlib_buffer_t *b =
-	    vlib_get_buffer (vm, dq->descriptor_buffer_indices[i]);
-	  dq->descriptors[i].rx_to_hw.tail_address =
-	    vlib_physmem_virtual_to_physical (vm, b->data);
-	}
-    }
-  else
-    {
-      u32 i;
-
-      dq->tx.head_index_write_back =
-	vlib_physmem_alloc (vm, &error, CLIB_CACHE_LINE_BYTES);
-
-      for (i = 0; i < dq->n_descriptors; i++)
-	dq->descriptors[i].tx = xm->tx_descriptor_template;
-
-      vec_validate (xm->tx_buffers_pending_free, dq->n_descriptors - 1);
-    }
-
-  {
-    ixge_dma_regs_t *dr = get_dma_regs (xd, rt, queue_index);
-    u64 a;
-
-    a = vlib_physmem_virtual_to_physical (vm, dq->descriptors);
-    dr->descriptor_address[0] = a & 0xFFFFFFFF;
-    dr->descriptor_address[1] = a >> (u64) 32;
-    dr->n_descriptor_bytes = dq->n_descriptors * sizeof (dq->descriptors[0]);
-    dq->head_index = dq->tail_index = 0;
-
-    if (rt == VLIB_RX)
-      {
-	ASSERT ((xm->n_bytes_in_rx_buffer / 1024) < 32);
-	dr->rx_split_control =
-	  ( /* buffer size */ ((xm->n_bytes_in_rx_buffer / 1024) << 0)
-	   | (			/* lo free descriptor threshold (units of 64 descriptors) */
-	       (1 << 22)) | (	/* descriptor type: advanced one buffer */
-			      (1 << 25)) | (	/* drop if no descriptors available */
-					     (1 << 28)));
-
-	/* Give hardware all but last 16 cache lines' worth of descriptors. */
-	dq->tail_index = dq->n_descriptors -
-	  16 * xm->n_descriptors_per_cache_line;
-      }
-    else
-      {
-	/* Make sure its initialized before hardware can get to it. */
-	dq->tx.head_index_write_back[0] = dq->head_index;
-
-	a =
-	  vlib_physmem_virtual_to_physical (vm, dq->tx.head_index_write_back);
-	dr->tx.head_index_write_back_address[0] = /* enable bit */ 1 | a;
-	dr->tx.head_index_write_back_address[1] = (u64) a >> (u64) 32;
-      }
-
-    /* DMA on 82599 does not work with [13] rx data write relaxed ordering
-       and [12] undocumented set. */
-    if (rt == VLIB_RX)
-      dr->dca_control &= ~((1 << 13) | (1 << 12));
-
-    CLIB_MEMORY_BARRIER ();
-
-    if (rt == VLIB_TX)
-      {
-	xd->regs->tx_dma_control |= (1 << 0);
-	dr->control |= ((32 << 0)	/* prefetch threshold */
-			| (64 << 8)	/* host threshold */
-			| (0 << 16) /* writeback threshold */ );
-      }
-
-    /* Enable this queue and wait for hardware to initialize
-       before adding to tail. */
-    if (rt == VLIB_TX)
-      {
-	dr->control |= 1 << 25;
-	while (!(dr->control & (1 << 25)))
-	  ;
-      }
-
-    /* Set head/tail indices and enable DMA. */
-    dr->head_index = dq->head_index;
-    dr->tail_index = dq->tail_index;
-  }
-
-  return error;
-}
-
-static u32
-ixge_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags)
-{
-  ixge_device_t *xd;
-  ixge_regs_t *r;
-  u32 old;
-  ixge_main_t *xm = &ixge_main;
-
-  xd = vec_elt_at_index (xm->devices, hw->dev_instance);
-  r = xd->regs;
-
-  old = r->filter_control;
-
-  if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
-    r->filter_control = old | (1 << 9) /* unicast promiscuous */ ;
-  else
-    r->filter_control = old & ~(1 << 9);
-
-  return old;
-}
-
-static void
-ixge_device_init (ixge_main_t * xm)
-{
-  vnet_main_t *vnm = vnet_get_main ();
-  ixge_device_t *xd;
-
-  /* Reset chip(s). */
-  vec_foreach (xd, xm->devices)
-  {
-    ixge_regs_t *r = xd->regs;
-    const u32 reset_bit = (1 << 26) | (1 << 3);
-
-    r->control |= reset_bit;
-
-    /* No need to suspend.  Timed to take ~1e-6 secs */
-    while (r->control & reset_bit)
-      ;
-
-    /* Software loaded. */
-    r->extended_control |= (1 << 28);
-
-    ixge_phy_init (xd);
-
-    /* Register ethernet interface. */
-    {
-      u8 addr8[6];
-      u32 i, addr32[2];
-      clib_error_t *error;
-
-      addr32[0] = r->rx_ethernet_address0[0][0];
-      addr32[1] = r->rx_ethernet_address0[0][1];
-      for (i = 0; i < 6; i++)
-	addr8[i] = addr32[i / 4] >> ((i % 4) * 8);
-
-      error = ethernet_register_interface
-	(vnm, ixge_device_class.index, xd->device_index,
-	 /* ethernet address */ addr8,
-	 &xd->vlib_hw_if_index, ixge_flag_change);
-      if (error)
-	clib_error_report (error);
-    }
-
-    {
-      vnet_sw_interface_t *sw =
-	vnet_get_hw_sw_interface (vnm, xd->vlib_hw_if_index);
-      xd->vlib_sw_if_index = sw->sw_if_index;
-    }
-
-    ixge_dma_init (xd, VLIB_RX, /* queue_index */ 0);
-
-    xm->n_descriptors[VLIB_TX] = 20 * VLIB_FRAME_SIZE;
-
-    ixge_dma_init (xd, VLIB_TX, /* queue_index */ 0);
-
-    /* RX/TX queue 0 gets mapped to interrupt bits 0 & 8. */
-    r->interrupt.queue_mapping[0] = (( /* valid bit */ (1 << 7) |
-				      ixge_rx_queue_to_interrupt (0)) << 0);
-
-    r->interrupt.queue_mapping[0] |= (( /* valid bit */ (1 << 7) |
-				       ixge_tx_queue_to_interrupt (0)) << 8);
-
-    /* No use in getting too many interrupts.
-       Limit them to one every 3/4 ring size at line rate
-       min sized packets.
-       No need for this since kernel/vlib main loop provides adequate interrupt
-       limiting scheme. */
-    if (0)
-      {
-	f64 line_rate_max_pps =
-	  10e9 / (8 * (64 + /* interframe padding */ 20));
-	ixge_throttle_queue_interrupt (r, 0,
-				       .75 * xm->n_descriptors[VLIB_RX] /
-				       line_rate_max_pps);
-      }
-
-    /* Accept all multicast and broadcast packets. Should really add them
-       to the dst_ethernet_address register array. */
-    r->filter_control |= (1 << 10) | (1 << 8);
-
-    /* Enable frames up to size in mac frame size register. */
-    r->xge_mac.control |= 1 << 2;
-    r->xge_mac.rx_max_frame_size = (9216 + 14) << 16;
-
-    /* Enable all interrupts. */
-    if (!IXGE_ALWAYS_POLL)
-      r->interrupt.enable_write_1_to_set = ~0;
-  }
-}
-
-static uword
-ixge_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
-{
-  vnet_main_t *vnm = vnet_get_main ();
-  ixge_main_t *xm = &ixge_main;
-  ixge_device_t *xd;
-  uword event_type, *event_data = 0;
-  f64 timeout, link_debounce_deadline;
-
-  ixge_device_init (xm);
-
-  /* Clear all counters. */
-  vec_foreach (xd, xm->devices)
-  {
-    ixge_update_counters (xd);
-    memset (xd->counters, 0, sizeof (xd->counters));
-  }
-
-  timeout = 30.0;
-  link_debounce_deadline = 1e70;
-
-  while (1)
-    {
-      /* 36 bit stat counters could overflow in ~50 secs.
-         We poll every 30 secs to be conservative. */
-      vlib_process_wait_for_event_or_clock (vm, timeout);
-
-      event_type = vlib_process_get_events (vm, &event_data);
-
-      switch (event_type)
-	{
-	case EVENT_SET_FLAGS:
-	  /* 1 ms */
-	  link_debounce_deadline = vlib_time_now (vm) + 1e-3;
-	  timeout = 1e-3;
-	  break;
-
-	case ~0:
-	  /* No events found: timer expired. */
-	  if (vlib_time_now (vm) > link_debounce_deadline)
-	    {
-	      vec_foreach (xd, xm->devices)
-	      {
-		ixge_regs_t *r = xd->regs;
-		u32 v = r->xge_mac.link_status;
-		uword is_up = (v & (1 << 30)) != 0;
-
-		vnet_hw_interface_set_flags
-		  (vnm, xd->vlib_hw_if_index,
-		   is_up ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
-	      }
-	      link_debounce_deadline = 1e70;
-	      timeout = 30.0;
-	    }
-	  break;
-
-	default:
-	  ASSERT (0);
-	}
-
-      if (event_data)
-	_vec_len (event_data) = 0;
-
-      /* Query stats every 30 secs. */
-      {
-	f64 now = vlib_time_now (vm);
-	if (now - xm->time_last_stats_update > 30)
-	  {
-	    xm->time_last_stats_update = now;
-	    vec_foreach (xd, xm->devices) ixge_update_counters (xd);
-	  }
-      }
-    }
-
-  return 0;
-}
-
-static vlib_node_registration_t ixge_process_node = {
-  .function = ixge_process,
-  .type = VLIB_NODE_TYPE_PROCESS,
-  .name = "ixge-process",
-};
-
-clib_error_t *
-ixge_init (vlib_main_t * vm)
-{
-  ixge_main_t *xm = &ixge_main;
-  clib_error_t *error;
-
-  xm->vlib_main = vm;
-  memset (&xm->tx_descriptor_template, 0,
-	  sizeof (xm->tx_descriptor_template));
-  memset (&xm->tx_descriptor_template_mask, 0,
-	  sizeof (xm->tx_descriptor_template_mask));
-  xm->tx_descriptor_template.status0 =
-    (IXGE_TX_DESCRIPTOR_STATUS0_ADVANCED |
-     IXGE_TX_DESCRIPTOR_STATUS0_IS_ADVANCED |
-     IXGE_TX_DESCRIPTOR_STATUS0_INSERT_FCS);
-  xm->tx_descriptor_template_mask.status0 = 0xffff;
-  xm->tx_descriptor_template_mask.status1 = 0x00003fff;
-
-  xm->tx_descriptor_template_mask.status0 &=
-    ~(IXGE_TX_DESCRIPTOR_STATUS0_IS_END_OF_PACKET
-      | IXGE_TX_DESCRIPTOR_STATUS0_REPORT_STATUS);
-  xm->tx_descriptor_template_mask.status1 &=
-    ~(IXGE_TX_DESCRIPTOR_STATUS1_DONE);
-
-  error = vlib_call_init_function (vm, pci_bus_init);
-
-  return error;
-}
-
-VLIB_INIT_FUNCTION (ixge_init);
-
-
-static void
-ixge_pci_intr_handler (vlib_pci_device_t * dev)
-{
-  ixge_main_t *xm = &ixge_main;
-  vlib_main_t *vm = xm->vlib_main;
-
-  vlib_node_set_interrupt_pending (vm, ixge_input_node.index);
-
-  /* Let node know which device is interrupting. */
-  {
-    vlib_node_runtime_t *rt =
-      vlib_node_get_runtime (vm, ixge_input_node.index);
-    rt->runtime_data[0] |= 1 << dev->private_data;
-  }
-}
-
-static clib_error_t *
-ixge_pci_init (vlib_main_t * vm, vlib_pci_device_t * dev)
-{
-  ixge_main_t *xm = &ixge_main;
-  clib_error_t *error;
-  void *r;
-  ixge_device_t *xd;
-
-  /* Device found: make sure we have dma memory. */
-  if (unix_physmem_is_fake (vm))
-    return clib_error_return (0, "no physical memory available");
-
-  error = vlib_pci_map_resource (dev, 0, &r);
-  if (error)
-    return error;
-
-  vec_add2 (xm->devices, xd, 1);
-
-  if (vec_len (xm->devices) == 1)
-    {
-      ixge_input_node.function = ixge_input_multiarch_select ();
-    }
-
-  xd->pci_device = dev[0];
-  xd->device_id = xd->pci_device.config0.header.device_id;
-  xd->regs = r;
-  xd->device_index = xd - xm->devices;
-  xd->pci_function = dev->bus_address.function;
-  xd->per_interface_next_index = ~0;
-
-
-  /* Chip found so enable node. */
-  {
-    vlib_node_set_state (vm, ixge_input_node.index,
-			 (IXGE_ALWAYS_POLL
-			  ? VLIB_NODE_STATE_POLLING
-			  : VLIB_NODE_STATE_INTERRUPT));
-
-    dev->private_data = xd->device_index;
-  }
-
-  if (vec_len (xm->devices) == 1)
-    {
-      vlib_register_node (vm, &ixge_process_node);
-      xm->process_node_index = ixge_process_node.index;
-    }
-
-  error = vlib_pci_bus_master_enable (dev);
-
-  if (error)
-    return error;
-
-  return vlib_pci_intr_enable (dev);
-}
-
-/* *INDENT-OFF* */
-PCI_REGISTER_DEVICE (ixge_pci_device_registration,static) = {
-  .init_function = ixge_pci_init,
-  .interrupt_handler = ixge_pci_intr_handler,
-  .supported_devices = {
-#define _(t,i) { .vendor_id = PCI_VENDOR_ID_INTEL, .device_id = i, },
-    foreach_ixge_pci_device_id
-#undef _
-    { 0 },
-  },
-};
-/* *INDENT-ON* */
-
-void
-ixge_set_next_node (ixge_rx_next_t next, char *name)
-{
-  vlib_node_registration_t *r = &ixge_input_node;
-
-  switch (next)
-    {
-    case IXGE_RX_NEXT_IP4_INPUT:
-    case IXGE_RX_NEXT_IP6_INPUT:
-    case IXGE_RX_NEXT_ETHERNET_INPUT:
-      r->next_nodes[next] = name;
-      break;
-
-    default:
-      clib_warning ("%s: illegal next %d\n", __FUNCTION__, next);
-      break;
-    }
-}
-#endif
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/devices/nic/ixge.h b/src/vnet/devices/nic/ixge.h
deleted file mode 100644
index a8e652dc..00000000
--- a/src/vnet/devices/nic/ixge.h
+++ /dev/null
@@ -1,1293 +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.
- */
-
-#ifndef included_ixge_h
-#define included_ixge_h
-
-#include <vnet/vnet.h>
-#include <vlib/pci/pci.h>
-#include <vlib/i2c.h>
-#include <vnet/devices/nic/sfp.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-
-typedef volatile struct
-{
-  /* [31:7] 128 byte aligned. */
-  u32 descriptor_address[2];
-  u32 n_descriptor_bytes;
-
-  /* [5] rx/tx descriptor dca enable
-     [6] rx packet head dca enable
-     [7] rx packet tail dca enable
-     [9] rx/tx descriptor relaxed order
-     [11] rx/tx descriptor write back relaxed order
-     [13] rx/tx data write/read relaxed order
-     [15] rx head data write relaxed order
-     [31:24] apic id for cpu's cache. */
-  u32 dca_control;
-
-  u32 head_index;
-
-  /* [4:0] tail buffer size (in 1k byte units)
-     [13:8] head buffer size (in 64 byte units)
-     [24:22] lo free descriptors threshold (units of 64 descriptors)
-     [27:25] descriptor type 0 = legacy, 1 = advanced one buffer (e.g. tail),
-     2 = advanced header splitting (head + tail), 5 = advanced header
-     splitting (head only).
-     [28] drop if no descriptors available. */
-  u32 rx_split_control;
-
-  u32 tail_index;
-    CLIB_PAD_FROM_TO (0x1c, 0x28);
-
-  /* [7:0] rx/tx prefetch threshold
-     [15:8] rx/tx host threshold
-     [24:16] rx/tx write back threshold
-     [25] rx/tx enable
-     [26] tx descriptor writeback flush
-     [30] rx strip vlan enable */
-  u32 control;
-
-  u32 rx_coallesce_control;
-
-  union
-  {
-    struct
-    {
-      /* packets bytes lo hi */
-      u32 stats[3];
-
-      u32 unused;
-    } rx;
-
-    struct
-    {
-      u32 unused[2];
-
-      /* [0] enables head write back. */
-      u32 head_index_write_back_address[2];
-    } tx;
-  };
-} ixge_dma_regs_t;
-
-/* Only advanced descriptors are supported. */
-typedef struct
-{
-  u64 tail_address;
-  u64 head_address;
-} ixge_rx_to_hw_descriptor_t;
-
-typedef struct
-{
-  u32 status[3];
-  u16 n_packet_bytes_this_descriptor;
-  u16 vlan_tag;
-} ixge_rx_from_hw_descriptor_t;
-
-#define IXGE_RX_DESCRIPTOR_STATUS0_IS_LAYER2 (1 << (4 + 11))
-/* Valid if not layer2. */
-#define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP4 (1 << (4 + 0))
-#define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP4_EXT (1 << (4 + 1))
-#define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6 (1 << (4 + 2))
-#define IXGE_RX_DESCRIPTOR_STATUS0_IS_IP6_EXT (1 << (4 + 3))
-#define IXGE_RX_DESCRIPTOR_STATUS0_IS_TCP (1 << (4 + 4))
-#define IXGE_RX_DESCRIPTOR_STATUS0_IS_UDP (1 << (4 + 5))
-#define IXGE_RX_DESCRIPTOR_STATUS0_L3_OFFSET(s) (((s) >> 21) & 0x3ff)
-
-#define IXGE_RX_DESCRIPTOR_STATUS2_IS_OWNED_BY_SOFTWARE (1 << (0 + 0))
-#define IXGE_RX_DESCRIPTOR_STATUS2_IS_END_OF_PACKET (1 << (0 + 1))
-#define IXGE_RX_DESCRIPTOR_STATUS2_IS_VLAN (1 << (0 + 3))
-#define IXGE_RX_DESCRIPTOR_STATUS2_IS_UDP_CHECKSUMMED (1 << (0 + 4))
-#define IXGE_RX_DESCRIPTOR_STATUS2_IS_TCP_CHECKSUMMED (1 << (0 + 5))
-#define IXGE_RX_DESCRIPTOR_STATUS2_IS_IP4_CHECKSUMMED (1 << (0 + 6))
-#define IXGE_RX_DESCRIPTOR_STATUS2_NOT_UNICAST (1 << (0 + 7))
-#define IXGE_RX_DESCRIPTOR_STATUS2_IS_DOUBLE_VLAN (1 << (0 + 9))
-#define IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR (1 << (0 + 10))
-#define IXGE_RX_DESCRIPTOR_STATUS2_ETHERNET_ERROR (1 << (20 + 9))
-#define IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR (1 << (20 + 10))
-#define IXGE_RX_DESCRIPTOR_STATUS2_IP4_CHECKSUM_ERROR (1 << (20 + 11))
-
-/* For layer2 packets stats0 bottom 3 bits give ether type index from filter. */
-#define IXGE_RX_DESCRIPTOR_STATUS0_LAYER2_ETHERNET_TYPE(s) ((s) & 7)
-
-typedef struct
-{
-  u64 buffer_address;
-  u16 n_bytes_this_buffer;
-  u16 status0;
-  u32 status1;
-#define IXGE_TX_DESCRIPTOR_STATUS0_ADVANCED (3 << 4)
-#define IXGE_TX_DESCRIPTOR_STATUS0_IS_ADVANCED (1 << (8 + 5))
-#define IXGE_TX_DESCRIPTOR_STATUS0_LOG2_REPORT_STATUS (8 + 3)
-#define IXGE_TX_DESCRIPTOR_STATUS0_REPORT_STATUS (1 << IXGE_TX_DESCRIPTOR_STATUS0_LOG2_REPORT_STATUS)
-#define IXGE_TX_DESCRIPTOR_STATUS0_INSERT_FCS (1 << (8 + 1))
-#define IXGE_TX_DESCRIPTOR_STATUS0_LOG2_IS_END_OF_PACKET (8 + 0)
-#define IXGE_TX_DESCRIPTOR_STATUS0_IS_END_OF_PACKET (1 << IXGE_TX_DESCRIPTOR_STATUS0_LOG2_IS_END_OF_PACKET)
-#define IXGE_TX_DESCRIPTOR_STATUS1_DONE (1 << 0)
-#define IXGE_TX_DESCRIPTOR_STATUS1_CONTEXT(i) (/* valid */ (1 << 7) | ((i) << 4))
-#define IXGE_TX_DESCRIPTOR_STATUS1_IPSEC_OFFLOAD (1 << (8 + 2))
-#define IXGE_TX_DESCRIPTOR_STATUS1_INSERT_TCP_UDP_CHECKSUM (1 << (8 + 1))
-#define IXGE_TX_DESCRIPTOR_STATUS1_INSERT_IP4_CHECKSUM (1 << (8 + 0))
-#define IXGE_TX_DESCRIPTOR_STATUS0_N_BYTES_THIS_BUFFER(l) ((l) << 0)
-#define IXGE_TX_DESCRIPTOR_STATUS1_N_BYTES_IN_PACKET(l) ((l) << 14)
-} ixge_tx_descriptor_t;
-
-typedef struct
-{
-  struct
-  {
-    u8 checksum_start_offset;
-    u8 checksum_insert_offset;
-    u16 checksum_end_offset;
-  } ip, tcp;
-  u32 status0;
-
-  u8 status1;
-
-  /* Byte offset after UDP/TCP header. */
-  u8 payload_offset;
-
-  u16 max_tcp_segment_size;
-} __attribute__ ((packed)) ixge_tx_context_descriptor_t;
-
-typedef union
-{
-  ixge_rx_to_hw_descriptor_t rx_to_hw;
-  ixge_rx_from_hw_descriptor_t rx_from_hw;
-  ixge_tx_descriptor_t tx;
-  u32x4 as_u32x4;
-} ixge_descriptor_t;
-
-typedef volatile struct
-{
-  /* [2] pcie master disable
-     [3] mac reset
-     [26] global device reset */
-  u32 control;
-  u32 control_alias;
-  /* [3:2] device id (0 or 1 for dual port chips)
-     [7] link is up
-     [17:10] num vfs
-     [18] io active
-     [19] pcie master enable status */
-  u32 status_read_only;
-    CLIB_PAD_FROM_TO (0xc, 0x18);
-  /* [14] pf reset done
-     [17] relaxed ordering disable
-     [26] extended vlan enable
-     [28] driver loaded */
-  u32 extended_control;
-    CLIB_PAD_FROM_TO (0x1c, 0x20);
-
-  /* software definable pins.
-     sdp_data [7:0]
-     sdp_is_output [15:8]
-     sdp_is_native [23:16]
-     sdp_function [31:24].
-   */
-  u32 sdp_control;
-    CLIB_PAD_FROM_TO (0x24, 0x28);
-
-  /* [0] i2c clock in
-     [1] i2c clock out
-     [2] i2c data in
-     [3] i2c data out */
-  u32 i2c_control;
-    CLIB_PAD_FROM_TO (0x2c, 0x4c);
-  u32 tcp_timer;
-
-    CLIB_PAD_FROM_TO (0x50, 0x200);
-
-  u32 led_control;
-
-    CLIB_PAD_FROM_TO (0x204, 0x600);
-  u32 core_spare;
-    CLIB_PAD_FROM_TO (0x604, 0x700);
-
-  struct
-  {
-    u32 vflr_events_clear[4];
-    u32 mailbox_interrupt_status[4];
-    u32 mailbox_interrupt_enable[4];
-      CLIB_PAD_FROM_TO (0x730, 0x800);
-  } pf_foo;
-
-  struct
-  {
-    u32 status_write_1_to_clear;
-      CLIB_PAD_FROM_TO (0x804, 0x808);
-    u32 status_write_1_to_set;
-      CLIB_PAD_FROM_TO (0x80c, 0x810);
-    u32 status_auto_clear_enable;
-      CLIB_PAD_FROM_TO (0x814, 0x820);
-
-    /* [11:3] minimum inter-interrupt interval
-       (2e-6 units; 20e-6 units for fast ethernet).
-       [15] low-latency interrupt moderation enable
-       [20:16] low-latency interrupt credit
-       [27:21] interval counter
-       [31] write disable for credit and counter (write only). */
-    u32 throttle0[24];
-
-    u32 enable_write_1_to_set;
-      CLIB_PAD_FROM_TO (0x884, 0x888);
-    u32 enable_write_1_to_clear;
-      CLIB_PAD_FROM_TO (0x88c, 0x890);
-    u32 enable_auto_clear;
-    u32 msi_to_eitr_select;
-    /* [3:0] spd 0-3 interrupt detection enable
-       [4] msi-x enable
-       [5] other clear disable (makes other bits in status not clear on read)
-       etc. */
-    u32 control;
-      CLIB_PAD_FROM_TO (0x89c, 0x900);
-
-    /* Defines interrupt mapping for 128 rx + 128 tx queues.
-       64 x 4 8 bit entries.
-       For register [i]:
-       [5:0] bit in interrupt status for rx queue 2*i + 0
-       [7] valid bit
-       [13:8] bit for tx queue 2*i + 0
-       [15] valid bit
-       similar for rx 2*i + 1 and tx 2*i + 1. */
-    u32 queue_mapping[64];
-
-    /* tcp timer [7:0] and other interrupts [15:8] */
-    u32 misc_mapping;
-      CLIB_PAD_FROM_TO (0xa04, 0xa90);
-
-    /* 64 interrupts determined by mappings. */
-    u32 status1_write_1_to_clear[4];
-    u32 enable1_write_1_to_set[4];
-    u32 enable1_write_1_to_clear[4];
-      CLIB_PAD_FROM_TO (0xac0, 0xad0);
-    u32 status1_enable_auto_clear[4];
-      CLIB_PAD_FROM_TO (0xae0, 0x1000);
-  } interrupt;
-
-  ixge_dma_regs_t rx_dma0[64];
-
-    CLIB_PAD_FROM_TO (0x2000, 0x2140);
-  u32 dcb_rx_packet_plane_t4_config[8];
-  u32 dcb_rx_packet_plane_t4_status[8];
-    CLIB_PAD_FROM_TO (0x2180, 0x2300);
-
-  /* reg i defines mapping for 4 rx queues starting at 4*i + 0. */
-  u32 rx_queue_stats_mapping[32];
-  u32 rx_queue_stats_control;
-
-    CLIB_PAD_FROM_TO (0x2384, 0x2410);
-  u32 fc_user_descriptor_ptr[2];
-  u32 fc_buffer_control;
-    CLIB_PAD_FROM_TO (0x241c, 0x2420);
-  u32 fc_rx_dma;
-    CLIB_PAD_FROM_TO (0x2424, 0x2430);
-  u32 dcb_packet_plane_control;
-    CLIB_PAD_FROM_TO (0x2434, 0x2f00);
-
-  u32 rx_dma_control;
-  u32 pf_queue_drop_enable;
-    CLIB_PAD_FROM_TO (0x2f08, 0x2f20);
-  u32 rx_dma_descriptor_cache_config;
-    CLIB_PAD_FROM_TO (0x2f24, 0x3000);
-
-  /* 1 bit. */
-  u32 rx_enable;
-    CLIB_PAD_FROM_TO (0x3004, 0x3008);
-  /* [15:0] ether type (little endian)
-     [31:16] opcode (big endian) */
-  u32 flow_control_control;
-    CLIB_PAD_FROM_TO (0x300c, 0x3020);
-  /* 3 bit traffic class for each of 8 priorities. */
-  u32 rx_priority_to_traffic_class;
-    CLIB_PAD_FROM_TO (0x3024, 0x3028);
-  u32 rx_coallesce_data_buffer_control;
-    CLIB_PAD_FROM_TO (0x302c, 0x3190);
-  u32 rx_packet_buffer_flush_detect;
-    CLIB_PAD_FROM_TO (0x3194, 0x3200);
-  u32 flow_control_tx_timers[4];	/* 2 timer values */
-    CLIB_PAD_FROM_TO (0x3210, 0x3220);
-  u32 flow_control_rx_threshold_lo[8];
-    CLIB_PAD_FROM_TO (0x3240, 0x3260);
-  u32 flow_control_rx_threshold_hi[8];
-    CLIB_PAD_FROM_TO (0x3280, 0x32a0);
-  u32 flow_control_refresh_threshold;
-    CLIB_PAD_FROM_TO (0x32a4, 0x3c00);
-  /* For each of 8 traffic classes (units of bytes). */
-  u32 rx_packet_buffer_size[8];
-    CLIB_PAD_FROM_TO (0x3c20, 0x3d00);
-  u32 flow_control_config;
-    CLIB_PAD_FROM_TO (0x3d04, 0x4200);
-
-  struct
-  {
-    u32 pcs_config;
-      CLIB_PAD_FROM_TO (0x4204, 0x4208);
-    u32 link_control;
-    u32 link_status;
-    u32 pcs_debug[2];
-    u32 auto_negotiation;
-    u32 link_partner_ability;
-    u32 auto_negotiation_tx_next_page;
-    u32 auto_negotiation_link_partner_next_page;
-      CLIB_PAD_FROM_TO (0x4228, 0x4240);
-  } gige_mac;
-
-  struct
-  {
-    /* [0] tx crc enable
-       [2] enable frames up to max frame size register [31:16]
-       [10] pad frames < 64 bytes if specified by user
-       [15] loopback enable
-       [16] mdc hi speed
-       [17] turn off mdc between mdio packets */
-    u32 control;
-
-    /* [5] rx symbol error (all bits clear on read)
-       [6] rx illegal symbol
-       [7] rx idle error
-       [8] rx local fault
-       [9] rx remote fault */
-    u32 status;
-
-    u32 pause_and_pace_control;
-      CLIB_PAD_FROM_TO (0x424c, 0x425c);
-    u32 phy_command;
-    u32 phy_data;
-      CLIB_PAD_FROM_TO (0x4264, 0x4268);
-
-    /* [31:16] max frame size in bytes. */
-    u32 rx_max_frame_size;
-      CLIB_PAD_FROM_TO (0x426c, 0x4288);
-
-    /* [0]
-       [2] pcs receive link up? (latch lo)
-       [7] local fault
-       [1]
-       [0] pcs 10g base r capable
-       [1] pcs 10g base x capable
-       [2] pcs 10g base w capable
-       [10] rx local fault
-       [11] tx local fault
-       [15:14] 2 => device present at this address (else not present) */
-    u32 xgxs_status[2];
-
-    u32 base_x_pcs_status;
-
-    /* [0] pass unrecognized flow control frames
-       [1] discard pause frames
-       [2] rx priority flow control enable (only in dcb mode)
-       [3] rx flow control enable. */
-    u32 flow_control;
-
-    /* [3:0] tx lanes change polarity
-       [7:4] rx lanes change polarity
-       [11:8] swizzle tx lanes
-       [15:12] swizzle rx lanes
-       4 x 2 bit tx lane swap
-       4 x 2 bit rx lane swap. */
-    u32 serdes_control;
-
-    u32 fifo_control;
-
-    /* [0] force link up
-       [1] autoneg ack2 bit to transmit
-       [6:2] autoneg selector field to transmit
-       [8:7] 10g pma/pmd type 0 => xaui, 1 kx4, 2 cx4
-       [9] 1g pma/pmd type 0 => sfi, 1 => kx/bx
-       [10] disable 10g on without main power
-       [11] restart autoneg on transition to dx power state
-       [12] restart autoneg
-       [15:13] link mode:
-       0 => 1g no autoneg
-       1 => 10g kx4 parallel link no autoneg
-       2 => 1g bx autoneg
-       3 => 10g sfi serdes
-       4 => kx4/kx/kr
-       5 => xgmii 1g/100m
-       6 => kx4/kx/kr 1g an
-       7 kx4/kx/kr sgmii.
-       [16] kr support
-       [17] fec requested
-       [18] fec ability
-       etc. */
-    u32 auto_negotiation_control;
-
-    /* [0] signal detect 1g/100m
-       [1] fec signal detect
-       [2] 10g serial pcs fec block lock
-       [3] 10g serial high error rate
-       [4] 10g serial pcs block lock
-       [5] kx/kx4/kr autoneg next page received
-       [6] kx/kx4/kr backplane autoneg next page received
-       [7] link status clear to read
-       [11:8] 10g signal detect (4 lanes) (for serial just lane 0)
-       [12] 10g serial signal detect
-       [16:13] 10g parallel lane sync status
-       [17] 10g parallel align status
-       [18] 1g sync status
-       [19] kx/kx4/kr backplane autoneg is idle
-       [20] 1g autoneg enabled
-       [21] 1g pcs enabled for sgmii
-       [22] 10g xgxs enabled
-       [23] 10g serial fec enabled (forward error detection)
-       [24] 10g kr pcs enabled
-       [25] sgmii enabled
-       [27:26] mac link mode
-       0 => 1g
-       1 => 10g parallel
-       2 => 10g serial
-       3 => autoneg
-       [29:28] link speed
-       1 => 100m
-       2 => 1g
-       3 => 10g
-       [30] link is up
-       [31] kx/kx4/kr backplane autoneg completed successfully. */
-    u32 link_status;
-
-    /* [17:16] pma/pmd for 10g serial
-       0 => kr, 2 => sfi
-       [18] disable dme pages */
-    u32 auto_negotiation_control2;
-
-      CLIB_PAD_FROM_TO (0x42ac, 0x42b0);
-    u32 link_partner_ability[2];
-      CLIB_PAD_FROM_TO (0x42b8, 0x42d0);
-    u32 manageability_control;
-    u32 link_partner_next_page[2];
-      CLIB_PAD_FROM_TO (0x42dc, 0x42e0);
-    u32 kr_pcs_control;
-    u32 kr_pcs_status;
-    u32 fec_status[2];
-      CLIB_PAD_FROM_TO (0x42f0, 0x4314);
-    u32 sgmii_control;
-      CLIB_PAD_FROM_TO (0x4318, 0x4324);
-    u32 link_status2;
-      CLIB_PAD_FROM_TO (0x4328, 0x4900);
-  } xge_mac;
-
-  u32 tx_dcb_control;
-  u32 tx_dcb_descriptor_plane_queue_select;
-  u32 tx_dcb_descriptor_plane_t1_config;
-  u32 tx_dcb_descriptor_plane_t1_status;
-    CLIB_PAD_FROM_TO (0x4910, 0x4950);
-
-  /* For each TC in units of 1k bytes. */
-  u32 tx_packet_buffer_thresholds[8];
-    CLIB_PAD_FROM_TO (0x4970, 0x4980);
-  struct
-  {
-    u32 mmw;
-    u32 config;
-    u32 status;
-    u32 rate_drift;
-  } dcb_tx_rate_scheduler;
-    CLIB_PAD_FROM_TO (0x4990, 0x4a80);
-  u32 tx_dma_control;
-    CLIB_PAD_FROM_TO (0x4a84, 0x4a88);
-  u32 tx_dma_tcp_flags_control[2];
-    CLIB_PAD_FROM_TO (0x4a90, 0x4b00);
-  u32 pf_mailbox[64];
-    CLIB_PAD_FROM_TO (0x4c00, 0x5000);
-
-  /* RX */
-  u32 checksum_control;
-    CLIB_PAD_FROM_TO (0x5004, 0x5008);
-  u32 rx_filter_control;
-    CLIB_PAD_FROM_TO (0x500c, 0x5010);
-  u32 management_vlan_tag[8];
-  u32 management_udp_tcp_ports[8];
-    CLIB_PAD_FROM_TO (0x5050, 0x5078);
-  /* little endian. */
-  u32 extended_vlan_ether_type;
-    CLIB_PAD_FROM_TO (0x507c, 0x5080);
-  /* [1] store/dma bad packets
-     [8] accept all multicast
-     [9] accept all unicast
-     [10] accept all broadcast. */
-  u32 filter_control;
-    CLIB_PAD_FROM_TO (0x5084, 0x5088);
-  /* [15:0] vlan ethernet type (0x8100) little endian
-     [28] cfi bit expected
-     [29] drop packets with unexpected cfi bit
-     [30] vlan filter enable. */
-  u32 vlan_control;
-    CLIB_PAD_FROM_TO (0x508c, 0x5090);
-  /* [1:0] hi bit of ethernet address for 12 bit index into multicast table
-     0 => 47, 1 => 46, 2 => 45, 3 => 43.
-     [2] enable multicast filter
-   */
-  u32 multicast_control;
-    CLIB_PAD_FROM_TO (0x5094, 0x5100);
-  u32 fcoe_rx_control;
-    CLIB_PAD_FROM_TO (0x5104, 0x5108);
-  u32 fc_flt_context;
-    CLIB_PAD_FROM_TO (0x510c, 0x5110);
-  u32 fc_filter_control;
-    CLIB_PAD_FROM_TO (0x5114, 0x5120);
-  u32 rx_message_type_lo;
-    CLIB_PAD_FROM_TO (0x5124, 0x5128);
-  /* [15:0] ethernet type (little endian)
-     [18:16] matche pri in vlan tag
-     [19] priority match enable
-     [25:20] virtualization pool
-     [26] pool enable
-     [27] is fcoe
-     [30] ieee 1588 timestamp enable
-     [31] filter enable.
-     (See ethernet_type_queue_select.) */
-  u32 ethernet_type_queue_filter[8];
-    CLIB_PAD_FROM_TO (0x5148, 0x5160);
-  /* [7:0] l2 ethernet type and
-     [15:8] l2 ethernet type or */
-  u32 management_decision_filters1[8];
-  u32 vf_vm_tx_switch_loopback_enable[2];
-  u32 rx_time_sync_control;
-    CLIB_PAD_FROM_TO (0x518c, 0x5190);
-  u32 management_ethernet_type_filters[4];
-  u32 rx_timestamp_attributes_lo;
-  u32 rx_timestamp_hi;
-  u32 rx_timestamp_attributes_hi;
-    CLIB_PAD_FROM_TO (0x51ac, 0x51b0);
-  u32 pf_virtual_control;
-    CLIB_PAD_FROM_TO (0x51b4, 0x51d8);
-  u32 fc_offset_parameter;
-    CLIB_PAD_FROM_TO (0x51dc, 0x51e0);
-  u32 vf_rx_enable[2];
-  u32 rx_timestamp_lo;
-    CLIB_PAD_FROM_TO (0x51ec, 0x5200);
-  /* 12 bits determined by multicast_control
-     lookup bits in this vector. */
-  u32 multicast_enable[128];
-
-  /* [0] ethernet address [31:0]
-     [1] [15:0] ethernet address [47:32]
-     [31] valid bit.
-     Index 0 is read from eeprom after reset. */
-  u32 rx_ethernet_address0[16][2];
-
-    CLIB_PAD_FROM_TO (0x5480, 0x5800);
-  u32 wake_up_control;
-    CLIB_PAD_FROM_TO (0x5804, 0x5808);
-  u32 wake_up_filter_control;
-    CLIB_PAD_FROM_TO (0x580c, 0x5818);
-  u32 multiple_rx_queue_command_82598;
-    CLIB_PAD_FROM_TO (0x581c, 0x5820);
-  u32 management_control;
-  u32 management_filter_control;
-    CLIB_PAD_FROM_TO (0x5828, 0x5838);
-  u32 wake_up_ip4_address_valid;
-    CLIB_PAD_FROM_TO (0x583c, 0x5840);
-  u32 wake_up_ip4_address_table[4];
-  u32 management_control_to_host;
-    CLIB_PAD_FROM_TO (0x5854, 0x5880);
-  u32 wake_up_ip6_address_table[4];
-
-  /* unicast_and broadcast_and vlan_and ip_address_and
-     etc. */
-  u32 management_decision_filters[8];
-
-  u32 management_ip4_or_ip6_address_filters[4][4];
-    CLIB_PAD_FROM_TO (0x58f0, 0x5900);
-  u32 wake_up_packet_length;
-    CLIB_PAD_FROM_TO (0x5904, 0x5910);
-  u32 management_ethernet_address_filters[4][2];
-    CLIB_PAD_FROM_TO (0x5930, 0x5a00);
-  u32 wake_up_packet_memory[32];
-    CLIB_PAD_FROM_TO (0x5a80, 0x5c00);
-  u32 redirection_table_82598[32];
-  u32 rss_random_keys_82598[10];
-    CLIB_PAD_FROM_TO (0x5ca8, 0x6000);
-
-  ixge_dma_regs_t tx_dma[128];
-
-  u32 pf_vm_vlan_insert[64];
-  u32 tx_dma_tcp_max_alloc_size_requests;
-    CLIB_PAD_FROM_TO (0x8104, 0x8110);
-  u32 vf_tx_enable[2];
-    CLIB_PAD_FROM_TO (0x8118, 0x8120);
-  /* [0] dcb mode enable
-     [1] virtualization mode enable
-     [3:2] number of tcs/qs per pool. */
-  u32 multiple_tx_queues_command;
-    CLIB_PAD_FROM_TO (0x8124, 0x8200);
-  u32 pf_vf_anti_spoof[8];
-  u32 pf_dma_tx_switch_control;
-    CLIB_PAD_FROM_TO (0x8224, 0x82e0);
-  u32 tx_strict_low_latency_queues[4];
-    CLIB_PAD_FROM_TO (0x82f0, 0x8600);
-  u32 tx_queue_stats_mapping_82599[32];
-  u32 tx_queue_packet_counts[32];
-  u32 tx_queue_byte_counts[32][2];
-
-  struct
-  {
-    u32 control;
-    u32 status;
-    u32 buffer_almost_full;
-      CLIB_PAD_FROM_TO (0x880c, 0x8810);
-    u32 buffer_min_ifg;
-      CLIB_PAD_FROM_TO (0x8814, 0x8900);
-  } tx_security;
-
-  struct
-  {
-    u32 index;
-    u32 salt;
-    u32 key[4];
-      CLIB_PAD_FROM_TO (0x8918, 0x8a00);
-  } tx_ipsec;
-
-  struct
-  {
-    u32 capabilities;
-    u32 control;
-    u32 tx_sci[2];
-    u32 sa;
-    u32 sa_pn[2];
-    u32 key[2][4];
-    /* untagged packets, encrypted packets, protected packets,
-       encrypted bytes, protected bytes */
-    u32 stats[5];
-      CLIB_PAD_FROM_TO (0x8a50, 0x8c00);
-  } tx_link_security;
-
-  struct
-  {
-    u32 control;
-    u32 timestamp_value[2];
-    u32 system_time[2];
-    u32 increment_attributes;
-    u32 time_adjustment_offset[2];
-    u32 aux_control;
-    u32 target_time[2][2];
-      CLIB_PAD_FROM_TO (0x8c34, 0x8c3c);
-    u32 aux_time_stamp[2][2];
-      CLIB_PAD_FROM_TO (0x8c4c, 0x8d00);
-  } tx_timesync;
-
-  struct
-  {
-    u32 control;
-    u32 status;
-      CLIB_PAD_FROM_TO (0x8d08, 0x8e00);
-  } rx_security;
-
-  struct
-  {
-    u32 index;
-    u32 ip_address[4];
-    u32 spi;
-    u32 ip_index;
-    u32 key[4];
-    u32 salt;
-    u32 mode;
-      CLIB_PAD_FROM_TO (0x8e34, 0x8f00);
-  } rx_ipsec;
-
-  struct
-  {
-    u32 capabilities;
-    u32 control;
-    u32 sci[2];
-    u32 sa[2];
-    u32 sa_pn[2];
-    u32 key[2][4];
-    /* see datasheet */
-    u32 stats[17];
-      CLIB_PAD_FROM_TO (0x8f84, 0x9000);
-  } rx_link_security;
-
-  /* 4 wake up, 2 management, 2 wake up. */
-  u32 flexible_filters[8][16][4];
-    CLIB_PAD_FROM_TO (0x9800, 0xa000);
-
-  /* 4096 bits. */
-  u32 vlan_filter[128];
-
-  /* [0] ethernet address [31:0]
-     [1] [15:0] ethernet address [47:32]
-     [31] valid bit.
-     Index 0 is read from eeprom after reset. */
-  u32 rx_ethernet_address1[128][2];
-
-  /* select one of 64 pools for each rx address. */
-  u32 rx_ethernet_address_pool_select[128][2];
-    CLIB_PAD_FROM_TO (0xaa00, 0xc800);
-  u32 tx_priority_to_traffic_class;
-    CLIB_PAD_FROM_TO (0xc804, 0xcc00);
-
-  /* In bytes units of 1k.  Total packet buffer is 160k. */
-  u32 tx_packet_buffer_size[8];
-
-    CLIB_PAD_FROM_TO (0xcc20, 0xcd10);
-  u32 tx_manageability_tc_mapping;
-    CLIB_PAD_FROM_TO (0xcd14, 0xcd20);
-  u32 dcb_tx_packet_plane_t2_config[8];
-  u32 dcb_tx_packet_plane_t2_status[8];
-    CLIB_PAD_FROM_TO (0xcd60, 0xce00);
-
-  u32 tx_flow_control_status;
-    CLIB_PAD_FROM_TO (0xce04, 0xd000);
-
-  ixge_dma_regs_t rx_dma1[64];
-
-  struct
-  {
-    /* Bigendian ip4 src/dst address. */
-    u32 src_address[128];
-    u32 dst_address[128];
-
-    /* TCP/UDP ports [15:0] src [31:16] dst; bigendian. */
-    u32 tcp_udp_port[128];
-
-    /* [1:0] protocol tcp, udp, sctp, other
-       [4:2] match priority (highest wins)
-       [13:8] pool
-       [25] src address match disable
-       [26] dst address match disable
-       [27] src port match disable
-       [28] dst port match disable
-       [29] protocol match disable
-       [30] pool match disable
-       [31] enable. */
-    u32 control[128];
-
-    /* [12] size bypass
-       [19:13] must be 0x80
-       [20] low-latency interrupt
-       [27:21] rx queue. */
-    u32 interrupt[128];
-  } ip4_filters;
-
-    CLIB_PAD_FROM_TO (0xea00, 0xeb00);
-  /* 4 bit rss output index indexed by 7 bit hash.
-     128 8 bit fields = 32 registers. */
-  u32 redirection_table_82599[32];
-
-  u32 rss_random_key_82599[10];
-    CLIB_PAD_FROM_TO (0xeba8, 0xec00);
-  /* [15:0] reserved
-     [22:16] rx queue index
-     [29] low-latency interrupt on match
-     [31] enable */
-  u32 ethernet_type_queue_select[8];
-    CLIB_PAD_FROM_TO (0xec20, 0xec30);
-  u32 syn_packet_queue_filter;
-    CLIB_PAD_FROM_TO (0xec34, 0xec60);
-  u32 immediate_interrupt_rx_vlan_priority;
-    CLIB_PAD_FROM_TO (0xec64, 0xec70);
-  u32 rss_queues_per_traffic_class;
-    CLIB_PAD_FROM_TO (0xec74, 0xec90);
-  u32 lli_size_threshold;
-    CLIB_PAD_FROM_TO (0xec94, 0xed00);
-
-  struct
-  {
-    u32 control;
-      CLIB_PAD_FROM_TO (0xed04, 0xed10);
-    u32 table[8];
-      CLIB_PAD_FROM_TO (0xed30, 0xee00);
-  } fcoe_redirection;
-
-  struct
-  {
-    /* [1:0] packet buffer allocation 0 => disabled, else 64k*2^(f-1)
-       [3] packet buffer initialization done
-       [4] perfetch match mode
-       [5] report status in rss field of rx descriptors
-       [7] report status always
-       [14:8] drop queue
-       [20:16] flex 2 byte packet offset (units of 2 bytes)
-       [27:24] max linked list length
-       [31:28] full threshold. */
-    u32 control;
-      CLIB_PAD_FROM_TO (0xee04, 0xee0c);
-
-    u32 data[8];
-
-    /* [1:0] 0 => no action, 1 => add, 2 => remove, 3 => query.
-       [2] valid filter found by query command
-       [3] filter update override
-       [4] ip6 adress table
-       [6:5] l4 protocol reserved, udp, tcp, sctp
-       [7] is ip6
-       [8] clear head/tail
-       [9] packet drop action
-       [10] matched packet generates low-latency interrupt
-       [11] last in linked list
-       [12] collision
-       [15] rx queue enable
-       [22:16] rx queue
-       [29:24] pool. */
-    u32 command;
-
-      CLIB_PAD_FROM_TO (0xee30, 0xee3c);
-    /* ip4 dst/src address, tcp ports, udp ports.
-       set bits mean bit is ignored. */
-    u32 ip4_masks[4];
-    u32 filter_length;
-    u32 usage_stats;
-    u32 failed_usage_stats;
-    u32 filters_match_stats;
-    u32 filters_miss_stats;
-      CLIB_PAD_FROM_TO (0xee60, 0xee68);
-    /* Lookup, signature. */
-    u32 hash_keys[2];
-    /* [15:0] ip6 src address 1 bit per byte
-       [31:16] ip6 dst address. */
-    u32 ip6_mask;
-    /* [0] vlan id
-       [1] vlan priority
-       [2] pool
-       [3] ip protocol
-       [4] flex
-       [5] dst ip6. */
-    u32 other_mask;
-      CLIB_PAD_FROM_TO (0xee78, 0xf000);
-  } flow_director;
-
-  struct
-  {
-    u32 l2_control[64];
-    u32 vlan_pool_filter[64];
-    u32 vlan_pool_filter_bitmap[128];
-    u32 dst_ethernet_address[128];
-    u32 mirror_rule[4];
-    u32 mirror_rule_vlan[8];
-    u32 mirror_rule_pool[8];
-      CLIB_PAD_FROM_TO (0xf650, 0x10010);
-  } pf_bar;
-
-  u32 eeprom_flash_control;
-  /* [0] start
-     [1] done
-     [15:2] address
-     [31:16] read data. */
-  u32 eeprom_read;
-    CLIB_PAD_FROM_TO (0x10018, 0x1001c);
-  u32 flash_access;
-    CLIB_PAD_FROM_TO (0x10020, 0x10114);
-  u32 flash_data;
-  u32 flash_control;
-  u32 flash_read_data;
-    CLIB_PAD_FROM_TO (0x10120, 0x1013c);
-  u32 flash_opcode;
-  u32 software_semaphore;
-    CLIB_PAD_FROM_TO (0x10144, 0x10148);
-  u32 firmware_semaphore;
-    CLIB_PAD_FROM_TO (0x1014c, 0x10160);
-  u32 software_firmware_sync;
-    CLIB_PAD_FROM_TO (0x10164, 0x10200);
-  u32 general_rx_control;
-    CLIB_PAD_FROM_TO (0x10204, 0x11000);
-
-  struct
-  {
-    u32 control;
-      CLIB_PAD_FROM_TO (0x11004, 0x11010);
-    /* [3:0] enable counters
-       [7:4] leaky bucket counter mode
-       [29] reset
-       [30] stop
-       [31] start. */
-    u32 counter_control;
-    /* [7:0],[15:8],[23:16],[31:24] event for counters 0-3.
-       event codes:
-       0x0 bad tlp
-       0x10 reqs that reached timeout
-       etc. */
-    u32 counter_event;
-      CLIB_PAD_FROM_TO (0x11018, 0x11020);
-    u32 counters_clear_on_read[4];
-    u32 counter_config[4];
-    struct
-    {
-      u32 address;
-      u32 data;
-    } indirect_access;
-      CLIB_PAD_FROM_TO (0x11048, 0x11050);
-    u32 extended_control;
-      CLIB_PAD_FROM_TO (0x11054, 0x11064);
-    u32 mirrored_revision_id;
-      CLIB_PAD_FROM_TO (0x11068, 0x11070);
-    u32 dca_requester_id_information;
-
-    /* [0] global disable
-       [4:1] mode: 0 => legacy, 1 => dca 1.0. */
-    u32 dca_control;
-      CLIB_PAD_FROM_TO (0x11078, 0x110b0);
-    /* [0] pci completion abort
-       [1] unsupported i/o address
-       [2] wrong byte enable
-       [3] pci timeout */
-    u32 pcie_interrupt_status;
-      CLIB_PAD_FROM_TO (0x110b4, 0x110b8);
-    u32 pcie_interrupt_enable;
-      CLIB_PAD_FROM_TO (0x110bc, 0x110c0);
-    u32 msi_x_pba_clear[8];
-      CLIB_PAD_FROM_TO (0x110e0, 0x12300);
-  } pcie;
-
-  u32 interrupt_throttle1[128 - 24];
-    CLIB_PAD_FROM_TO (0x124a0, 0x14f00);
-
-  u32 core_analog_config;
-    CLIB_PAD_FROM_TO (0x14f04, 0x14f10);
-  u32 core_common_config;
-    CLIB_PAD_FROM_TO (0x14f14, 0x15f14);
-
-  u32 link_sec_software_firmware_interface;
-} ixge_regs_t;
-
-typedef union
-{
-  struct
-  {
-    /* Addresses bigendian. */
-    union
-    {
-      struct
-      {
-	ip6_address_t src_address;
-	u32 unused[1];
-      } ip6;
-      struct
-      {
-	u32 unused[3];
-	ip4_address_t src_address, dst_address;
-      } ip4;
-    };
-
-    /* [15:0] src port (little endian).
-       [31:16] dst port. */
-    u32 tcp_udp_ports;
-
-    /* [15:0] vlan (cfi bit set to 0).
-       [31:16] flex bytes.  bigendian. */
-    u32 vlan_and_flex_word;
-
-    /* [14:0] hash
-       [15] bucket valid
-       [31:16] signature (signature filers)/sw-index (perfect match). */
-    u32 hash;
-  };
-
-  u32 as_u32[8];
-} ixge_flow_director_key_t;
-
-always_inline void
-ixge_throttle_queue_interrupt (ixge_regs_t * r,
-			       u32 queue_interrupt_index,
-			       f64 inter_interrupt_interval_in_secs)
-{
-  volatile u32 *tr =
-    (queue_interrupt_index < ARRAY_LEN (r->interrupt.throttle0)
-     ? &r->interrupt.throttle0[queue_interrupt_index]
-     : &r->interrupt_throttle1[queue_interrupt_index]);
-  ASSERT (queue_interrupt_index < 128);
-  u32 v;
-  i32 i, mask = (1 << 9) - 1;
-
-  i = flt_round_nearest (inter_interrupt_interval_in_secs / 2e-6);
-  i = i < 1 ? 1 : i;
-  i = i >= mask ? mask : i;
-
-  v = tr[0];
-  v &= ~(mask << 3);
-  v |= i << 3;
-  tr[0] = v;
-}
-
-#define foreach_ixge_counter				\
-  _ (0x40d0, rx_total_packets)				\
-  _64 (0x40c0, rx_total_bytes)				\
-  _ (0x41b0, rx_good_packets_before_filtering)		\
-  _64 (0x41b4, rx_good_bytes_before_filtering)		\
-  _ (0x2f50, rx_dma_good_packets)			\
-  _64 (0x2f54, rx_dma_good_bytes)			\
-  _ (0x2f5c, rx_dma_duplicated_good_packets)		\
-  _64 (0x2f60, rx_dma_duplicated_good_bytes)		\
-  _ (0x2f68, rx_dma_good_loopback_packets)		\
-  _64 (0x2f6c, rx_dma_good_loopback_bytes)		\
-  _ (0x2f74, rx_dma_good_duplicated_loopback_packets)	\
-  _64 (0x2f78, rx_dma_good_duplicated_loopback_bytes)	\
-  _ (0x4074, rx_good_packets)				\
-  _64 (0x4088, rx_good_bytes)				\
-  _ (0x407c, rx_multicast_packets)			\
-  _ (0x4078, rx_broadcast_packets)			\
-  _ (0x405c, rx_64_byte_packets)			\
-  _ (0x4060, rx_65_127_byte_packets)			\
-  _ (0x4064, rx_128_255_byte_packets)			\
-  _ (0x4068, rx_256_511_byte_packets)			\
-  _ (0x406c, rx_512_1023_byte_packets)			\
-  _ (0x4070, rx_gt_1023_byte_packets)			\
-  _ (0x4000, rx_crc_errors)				\
-  _ (0x4120, rx_ip_checksum_errors)			\
-  _ (0x4004, rx_illegal_symbol_errors)			\
-  _ (0x4008, rx_error_symbol_errors)			\
-  _ (0x4034, rx_mac_local_faults)			\
-  _ (0x4038, rx_mac_remote_faults)			\
-  _ (0x4040, rx_length_errors)				\
-  _ (0x41a4, rx_xons)					\
-  _ (0x41a8, rx_xoffs)					\
-  _ (0x40a4, rx_undersize_packets)			\
-  _ (0x40a8, rx_fragments)				\
-  _ (0x40ac, rx_oversize_packets)			\
-  _ (0x40b0, rx_jabbers)				\
-  _ (0x40b4, rx_management_packets)			\
-  _ (0x40b8, rx_management_drops)			\
-  _ (0x3fa0, rx_missed_packets_pool_0)			\
-  _ (0x40d4, tx_total_packets)				\
-  _ (0x4080, tx_good_packets)				\
-  _64 (0x4090, tx_good_bytes)				\
-  _ (0x40f0, tx_multicast_packets)			\
-  _ (0x40f4, tx_broadcast_packets)			\
-  _ (0x87a0, tx_dma_good_packets)			\
-  _64 (0x87a4, tx_dma_good_bytes)			\
-  _ (0x40d8, tx_64_byte_packets)			\
-  _ (0x40dc, tx_65_127_byte_packets)			\
-  _ (0x40e0, tx_128_255_byte_packets)			\
-  _ (0x40e4, tx_256_511_byte_packets)			\
-  _ (0x40e8, tx_512_1023_byte_packets)			\
-  _ (0x40ec, tx_gt_1023_byte_packets)			\
-  _ (0x4010, tx_undersize_drops)			\
-  _ (0x8780, switch_security_violation_packets)		\
-  _ (0x5118, fc_crc_errors)				\
-  _ (0x241c, fc_rx_drops)				\
-  _ (0x2424, fc_last_error_count)			\
-  _ (0x2428, fcoe_rx_packets)				\
-  _ (0x242c, fcoe_rx_dwords)				\
-  _ (0x8784, fcoe_tx_packets)				\
-  _ (0x8788, fcoe_tx_dwords)				\
-  _ (0x1030, queue_0_rx_count)				\
-  _ (0x1430, queue_0_drop_count)			\
-  _ (0x1070, queue_1_rx_count)				\
-  _ (0x1470, queue_1_drop_count)			\
-  _ (0x10b0, queue_2_rx_count)				\
-  _ (0x14b0, queue_2_drop_count)			\
-  _ (0x10f0, queue_3_rx_count)				\
-  _ (0x14f0, queue_3_drop_count)			\
-  _ (0x1130, queue_4_rx_count)				\
-  _ (0x1530, queue_4_drop_count)			\
-  _ (0x1170, queue_5_rx_count)				\
-  _ (0x1570, queue_5_drop_count)			\
-  _ (0x11b0, queue_6_rx_count)				\
-  _ (0x15b0, queue_6_drop_count)			\
-  _ (0x11f0, queue_7_rx_count)				\
-  _ (0x15f0, queue_7_drop_count)			\
-  _ (0x1230, queue_8_rx_count)				\
-  _ (0x1630, queue_8_drop_count)			\
-  _ (0x1270, queue_9_rx_count)				\
-  _ (0x1270, queue_9_drop_count)
-
-
-
-
-typedef enum
-{
-#define _(a,f) IXGE_COUNTER_##f,
-#define _64(a,f) _(a,f)
-  foreach_ixge_counter
-#undef _
-#undef _64
-    IXGE_N_COUNTER,
-} ixge_counter_type_t;
-
-typedef struct
-{
-  u32 mdio_address;
-
-  /* 32 bit ID read from ID registers. */
-  u32 id;
-} ixge_phy_t;
-
-typedef struct
-{
-  /* Cache aligned descriptors. */
-  ixge_descriptor_t *descriptors;
-
-  /* Number of descriptors in table. */
-  u32 n_descriptors;
-
-  /* Software head and tail pointers into descriptor ring. */
-  u32 head_index, tail_index;
-
-  /* Index into dma_queues vector. */
-  u32 queue_index;
-
-  /* Buffer indices corresponding to each active descriptor. */
-  u32 *descriptor_buffer_indices;
-
-  union
-  {
-    struct
-    {
-      u32 *volatile head_index_write_back;
-
-      u32 n_buffers_on_ring;
-    } tx;
-
-    struct
-    {
-      /* Buffer indices to use to replenish each descriptor. */
-      u32 *replenish_buffer_indices;
-
-      vlib_node_runtime_t *node;
-      u32 next_index;
-
-      u32 saved_start_of_packet_buffer_index;
-
-      u32 saved_start_of_packet_next_index;
-      u32 saved_last_buffer_index;
-
-      u32 is_start_of_packet;
-
-      u32 n_descriptors_done_total;
-
-      u32 n_descriptors_done_this_call;
-
-      u32 n_bytes;
-    } rx;
-  };
-} ixge_dma_queue_t;
-
-#define foreach_ixge_pci_device_id		\
-  _ (82598, 0x10b6)				\
-  _ (82598_bx, 0x1508)				\
-  _ (82598af_dual_port, 0x10c6)			\
-  _ (82598af_single_port, 0x10c7)		\
-  _ (82598at, 0x10c8)				\
-  _ (82598at2, 0x150b)				\
-  _ (82598eb_sfp_lom, 0x10db)			\
-  _ (82598eb_cx4, 0x10dd)			\
-  _ (82598_cx4_dual_port, 0x10ec)		\
-  _ (82598_da_dual_port, 0x10f1)		\
-  _ (82598_sr_dual_port_em, 0x10e1)		\
-  _ (82598eb_xf_lr, 0x10f4)			\
-  _ (82599_kx4, 0x10f7)				\
-  _ (82599_kx4_mezz, 0x1514)			\
-  _ (82599_kr, 0x1517)				\
-  _ (82599_combo_backplane, 0x10f8)		\
-  _ (82599_cx4, 0x10f9)				\
-  _ (82599_sfp, 0x10fb)				\
-  _ (82599_backplane_fcoe, 0x152a)		\
-  _ (82599_sfp_fcoe, 0x1529)			\
-  _ (82599_sfp_em, 0x1507)			\
-  _ (82599_xaui_lom, 0x10fc)			\
-  _ (82599_t3_lom, 0x151c)			\
-  _ (x540t, 0x1528)
-
-typedef enum
-{
-#define _(f,n) IXGE_##f = n,
-  foreach_ixge_pci_device_id
-#undef _
-} ixge_pci_device_id_t;
-
-typedef struct
-{
-  /* registers */
-  ixge_regs_t *regs;
-
-  /* Specific next index when using dynamic redirection */
-  u32 per_interface_next_index;
-
-  /* PCI bus info. */
-  vlib_pci_device_t pci_device;
-
-  /* From PCI config space header. */
-  ixge_pci_device_id_t device_id;
-
-  u16 device_index;
-
-  /* 0 or 1. */
-  u16 pci_function;
-
-  /* VLIB interface for this instance. */
-  u32 vlib_hw_if_index, vlib_sw_if_index;
-
-  ixge_dma_queue_t *dma_queues[VLIB_N_RX_TX];
-
-  /* Phy index (0 or 1) and address on MDI bus. */
-  u32 phy_index;
-  ixge_phy_t phys[2];
-
-  /* Value of link_status register at last link change. */
-  u32 link_status_at_last_link_change;
-
-  i2c_bus_t i2c_bus;
-  sfp_eeprom_t sfp_eeprom;
-
-  /* Counters. */
-  u64 counters[IXGE_N_COUNTER], counters_last_clear[IXGE_N_COUNTER];
-} ixge_device_t;
-
-typedef struct
-{
-  vlib_main_t *vlib_main;
-
-  /* Vector of devices. */
-  ixge_device_t *devices;
-
-  /* Descriptor ring sizes. */
-  u32 n_descriptors[VLIB_N_RX_TX];
-
-  /* RX buffer size.  Must be at least 1k; will be rounded to
-     next largest 1k size. */
-  u32 n_bytes_in_rx_buffer;
-
-  u32 n_descriptors_per_cache_line;
-
-  u32 vlib_buffer_free_list_index;
-
-  u32 process_node_index;
-
-  /* Template and mask for initializing/validating TX descriptors. */
-  ixge_tx_descriptor_t tx_descriptor_template, tx_descriptor_template_mask;
-
-  /* Vector of buffers for which TX is done and can be freed. */
-  u32 *tx_buffers_pending_free;
-
-  u32 *rx_buffers_to_add;
-
-  f64 time_last_stats_update;
-} ixge_main_t;
-
-ixge_main_t ixge_main;
-vnet_device_class_t ixge_device_class;
-
-typedef enum
-{
-  IXGE_RX_NEXT_IP4_INPUT,
-  IXGE_RX_NEXT_IP6_INPUT,
-  IXGE_RX_NEXT_ETHERNET_INPUT,
-  IXGE_RX_NEXT_DROP,
-  IXGE_RX_N_NEXT,
-} ixge_rx_next_t;
-
-void ixge_set_next_node (ixge_rx_next_t, char *);
-
-#endif /* included_ixge_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/devices/nic/sfp.c b/src/vnet/devices/nic/sfp.c
deleted file mode 100644
index 9e9c008d..00000000
--- a/src/vnet/devices/nic/sfp.c
+++ /dev/null
@@ -1,117 +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 <vnet/devices/nic/sfp.h>
-
-static u8 *
-format_space_terminated (u8 * s, va_list * args)
-{
-  u32 l = va_arg (*args, u32);
-  u8 *v = va_arg (*args, u8 *);
-  u8 *p;
-
-  for (p = v + l - 1; p >= v && p[0] == ' '; p--)
-    ;
-  vec_add (s, v, clib_min (p - v + 1, l));
-  return s;
-}
-
-static u8 *
-format_sfp_id (u8 * s, va_list * args)
-{
-  u32 id = va_arg (*args, u32);
-  char *t = 0;
-  switch (id)
-    {
-#define _(f) case SFP_ID_##f: t = #f; break;
-      foreach_sfp_id
-#undef _
-    default:
-      return format (s, "unknown 0x%x", id);
-    }
-  return format (s, "%s", t);
-}
-
-static u8 *
-format_sfp_compatibility (u8 * s, va_list * args)
-{
-  u32 c = va_arg (*args, u32);
-  char *t = 0;
-  switch (c)
-    {
-#define _(a,b,f) case SFP_COMPATIBILITY_##f: t = #f; break;
-      foreach_sfp_compatibility
-#undef _
-    default:
-      return format (s, "unknown 0x%x", c);
-    }
-  return format (s, "%s", t);
-}
-
-u32
-sfp_is_comatible (sfp_eeprom_t * e, sfp_compatibility_t c)
-{
-  static struct
-  {
-    u8 byte, bit;
-  } t[] =
-  {
-#define _(a,b,f) { .byte = a, .bit = b, },
-    foreach_sfp_compatibility
-#undef _
-  };
-
-  ASSERT (c < ARRAY_LEN (t));
-  return (e->compatibility[t[c].byte] & (1 << t[c].bit)) != 0;
-}
-
-u8 *
-format_sfp_eeprom (u8 * s, va_list * args)
-{
-  sfp_eeprom_t *e = va_arg (*args, sfp_eeprom_t *);
-  uword indent = format_get_indent (s);
-  int i;
-
-  if (e->id != SFP_ID_sfp)
-    s = format (s, "id %U, ", format_sfp_id, e->id);
-
-  s = format (s, "compatibility:");
-  for (i = 0; i < SFP_N_COMPATIBILITY; i++)
-    if (sfp_is_comatible (e, i))
-      s = format (s, " %U", format_sfp_compatibility, i);
-
-  s = format (s, "\n%Uvendor: %U, part %U",
-	      format_white_space, indent,
-	      format_space_terminated, sizeof (e->vendor_name),
-	      e->vendor_name, format_space_terminated,
-	      sizeof (e->vendor_part_number), e->vendor_part_number);
-  s =
-    format (s, "\n%Urevision: %U, serial: %U, date code: %U",
-	    format_white_space, indent, format_space_terminated,
-	    sizeof (e->vendor_revision), e->vendor_revision,
-	    format_space_terminated, sizeof (e->vendor_serial_number),
-	    e->vendor_serial_number, format_space_terminated,
-	    sizeof (e->vendor_date_code), e->vendor_date_code);
-
-  return s;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/devices/nic/sfp.h b/src/vnet/devices/nic/sfp.h
deleted file mode 100644
index a1ac7997..00000000
--- a/src/vnet/devices/nic/sfp.h
+++ /dev/null
@@ -1,117 +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.
- */
-
-#ifndef included_vnet_optics_sfp_h
-#define included_vnet_optics_sfp_h
-
-#include <vppinfra/format.h>
-
-#define foreach_sfp_id				\
-  _ (unknown)					\
-  _ (gbic)					\
-  _ (on_motherboard)				\
-  _ (sfp)
-
-typedef enum
-{
-#define _(f) SFP_ID_##f,
-  foreach_sfp_id
-#undef _
-} sfp_id_t;
-
-typedef struct
-{
-  u8 id;
-  u8 extended_id;
-  u8 connector_type;
-  u8 compatibility[8];
-  u8 encoding;
-  u8 nominal_bit_rate_100mbits_per_sec;
-  u8 reserved13;
-  u8 link_length[5];
-  u8 reserved19;
-  u8 vendor_name[16];
-  u8 reserved36;
-  u8 vendor_oui[3];
-  u8 vendor_part_number[16];
-  u8 vendor_revision[4];
-  /* 16 bit value network byte order. */
-  u8 laser_wavelength_in_nm[2];
-  u8 reserved62;
-  u8 checksum_0_to_62;
-
-  u8 options[2];
-  u8 max_bit_rate_margin_percent;
-  u8 min_bit_rate_margin_percent;
-  u8 vendor_serial_number[16];
-  u8 vendor_date_code[8];
-  u8 reserved92[3];
-  u8 checksum_63_to_94;
-  u8 vendor_specific[32];
-  u8 reserved128[384];
-
-  /* Vendor specific data follows. */
-  u8 vendor_specific1[0];
-} sfp_eeprom_t;
-
-always_inline uword
-sfp_eeprom_is_valid (sfp_eeprom_t * e)
-{
-  int i;
-  u8 sum = 0;
-  for (i = 0; i < 63; i++)
-    sum += ((u8 *) e)[i];
-  return sum == e->checksum_0_to_62;
-}
-
-/* _ (byte_index, bit_index, name) */
-#define foreach_sfp_compatibility		\
-  _ (0, 4, 10g_base_sr)				\
-  _ (0, 5, 10g_base_lr)				\
-  _ (1, 2, oc48_long_reach)			\
-  _ (1, 1, oc48_intermediate_reach)		\
-  _ (1, 0, oc48_short_reach)			\
-  _ (2, 6, oc12_long_reach)			\
-  _ (2, 5, oc12_intermediate_reach)		\
-  _ (2, 4, oc12_short_reach)			\
-  _ (2, 2, oc3_long_reach)			\
-  _ (2, 1, oc3_intermediate_reach)		\
-  _ (2, 0, oc3_short_reach)			\
-  _ (3, 3, 1g_base_t)				\
-  _ (3, 2, 1g_base_cx)				\
-  _ (3, 1, 1g_base_lx)				\
-  _ (3, 0, 1g_base_sx)
-
-typedef enum
-{
-#define _(a,b,f) SFP_COMPATIBILITY_##f,
-  foreach_sfp_compatibility
-#undef _
-    SFP_N_COMPATIBILITY,
-} sfp_compatibility_t;
-
-u32 sfp_is_comatible (sfp_eeprom_t * e, sfp_compatibility_t c);
-
-format_function_t format_sfp_eeprom;
-
-#endif /* included_vnet_optics_sfp_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */