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-rw-r--r--src/plugins/ixge/CMakeLists.txt20
-rw-r--r--src/plugins/ixge/ixge.c2938
-rw-r--r--src/plugins/ixge/ixge.h1292
3 files changed, 0 insertions, 4250 deletions
diff --git a/src/plugins/ixge/CMakeLists.txt b/src/plugins/ixge/CMakeLists.txt
deleted file mode 100644
index 226652c72e2..00000000000
--- a/src/plugins/ixge/CMakeLists.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright (c) 2018 Cisco and/or its affiliates.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-add_vpp_plugin(ixge
- SOURCES
- ixge.c
-
- INSTALL_HEADERS
- ixge.h
-)
diff --git a/src/plugins/ixge/ixge.c b/src/plugins/ixge/ixge.c
deleted file mode 100644
index 6ab79c9872c..00000000000
--- a/src/plugins/ixge/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__ || __i386__ || __aarch64__
-#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 <ixge/ixge.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/plugin/plugin.h>
-#include <vpp/app/version.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;
- u32 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;
- u32 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;
- u32 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_vnet_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))
- ? VNET_BUFFER_F_L4_CHECKSUM_COMPUTED : 0);
-
- f0 |= ((s02 & (IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR
- | IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR))
- ? 0 : VNET_BUFFER_F_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))
- ? VNET_BUFFER_F_L4_CHECKSUM_COMPUTED : 0);
- f1 = ((s12 & (IXGE_RX_DESCRIPTOR_STATUS2_IS_TCP_CHECKSUMMED
- | IXGE_RX_DESCRIPTOR_STATUS2_IS_UDP_CHECKSUMMED))
- ? VNET_BUFFER_F_L4_CHECKSUM_COMPUTED : 0);
-
- f0 |= ((s02 & (IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR
- | IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR))
- ? 0 : VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
- f1 |= ((s12 & (IXGE_RX_DESCRIPTOR_STATUS2_TCP_CHECKSUM_ERROR
- | IXGE_RX_DESCRIPTOR_STATUS2_UDP_CHECKSUM_ERROR))
- ? 0 : VNET_BUFFER_F_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;
- u32 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_vnet_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_buffer_get_pa (vm, b0);
- d[1].buffer_address = vlib_buffer_get_pa (vm, b1);
-
- 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_buffer_get_pa (vm, b0);
- 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 (vm, xm->rx_buffers_to_add + l, n_to_alloc);
- _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;
- vlib_buffer_t *f0, *f1;
- 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;
-
-#if 0
- ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED == vlib_buffer_is_known (bi0));
- ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED == vlib_buffer_is_known (bi1));
- ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED == vlib_buffer_is_known (fi0));
- ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED == vlib_buffer_is_known (fi1));
-#endif
-
- 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. */
- f0 = vlib_get_buffer (vm, fi0);
- f1 = vlib_get_buffer (vm, fi1);
- d0.rx_to_hw.tail_address = vlib_buffer_get_pa (vm, f0);
- d1.rx_to_hw.tail_address = vlib_buffer_get_pa (vm, f1);
- 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;
- vlib_buffer_t *f0;
- 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;
-
-#if 0
- ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED == vlib_buffer_is_known (bi0));
- ASSERT (VLIB_BUFFER_KNOWN_ALLOCATED == vlib_buffer_is_known (fi0));
-#endif
-
- 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. */
- f0 = vlib_get_buffer (vm, fi0);
- d0.rx_to_hw.tail_address = vlib_buffer_get_pa (vm, f0);
- 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 /* thread_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",
- .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
-
- /* 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",
- },
-};
-
-/* *INDENT-ON* */
-
-static u8 *
-format_ixge_device_name (u8 * s, va_list * args)
-{
- vlib_main_t *vm = vlib_get_main ();
- u32 i = va_arg (*args, u32);
- ixge_main_t *xm = &ixge_main;
- ixge_device_t *xd = vec_elt_at_index (xm->devices, i);
- vlib_pci_addr_t *addr = vlib_pci_get_addr (vm, xd->pci_dev_handle);
- return format (s, "TenGigabitEthernet%x/%x/%x/%x",
- addr->domain, addr->bus, addr->slot, addr->function);
-}
-
-#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);
- vlib_main_t *vm = vlib_get_main ();
- 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;
- u32 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);
-
- {
-
- vlib_pci_addr_t *addr = vlib_pci_get_addr (vm, xd->pci_dev_handle);
- vlib_pci_device_info_t *d = vlib_pci_get_device_info (vm, addr, 0);
-
- if (d)
- s = format (s, "\n%UPCIe %U", format_white_space, indent + 2,
- format_vlib_pci_link_speed, d);
- }
-
- 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,
-};
-/* *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->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, dq->n_descriptors *
- sizeof (dq->descriptors[0]),
- 128 /* per chip spec */ );
- if (!dq->descriptors)
- return vlib_physmem_last_error (vm);
-
- clib_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 (vm, dq->descriptor_buffer_indices,
- vec_len (dq->descriptor_buffer_indices));
- ASSERT (n_alloc == vec_len (dq->descriptor_buffer_indices));
- for (i = 0; i < n_alloc; i++)
- {
- dq->descriptors[i].rx_to_hw.tail_address =
- vlib_buffer_get_pa
- (vm, vlib_get_buffer (vm, dq->descriptor_buffer_indices[i]));
- }
- }
- else
- {
- u32 i;
-
- dq->tx.head_index_write_back =
- vlib_physmem_alloc (vm, CLIB_CACHE_LINE_BYTES);
- if (!dq->tx.head_index_write_back)
- return vlib_physmem_last_error (vm);
-
- 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_get_pa (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_get_pa (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);
- clib_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;
-
- xm->vlib_main = vm;
- clib_memset (&xm->tx_descriptor_template, 0,
- sizeof (xm->tx_descriptor_template));
- clib_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);
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_INIT_FUNCTION (ixge_init) =
-{
- .runs_before = VLIB_INITS("pci_bus_init"),
-};
-/* *INDENT-ON* */
-
-
-static void
-ixge_pci_intr_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h)
-{
- uword private_data = vlib_pci_get_private_data (vm, h);
-
- 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 << private_data;
- }
-}
-
-static clib_error_t *
-ixge_pci_init (vlib_main_t * vm, vlib_pci_dev_handle_t h)
-{
- ixge_main_t *xm = &ixge_main;
- clib_error_t *error = 0;
- void *r;
- ixge_device_t *xd;
- vlib_pci_addr_t *addr = vlib_pci_get_addr (vm, h);
- vlib_pci_device_info_t *d = vlib_pci_get_device_info (vm, addr, 0);
-
- error = vlib_pci_map_region (vm, h, 0, &r);
- if (error)
- return error;
-
- vec_add2 (xm->devices, xd, 1);
-
- if (vec_len (xm->devices) == 1)
- {
- ixge_input_node.function = ixge_input;
- }
-
- xd->pci_dev_handle = h;
- xd->device_id = d->device_id;
- xd->regs = r;
- xd->device_index = xd - xm->devices;
- xd->pci_function = addr->function;
- xd->per_interface_next_index = ~0;
-
- vlib_pci_set_private_data (vm, h, xd->device_index);
-
- /* 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 (vm, h);
-
- if (error)
- return error;
-
- return vlib_pci_intr_enable (vm, h);
-}
-
-/* *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;
- }
-}
-
-/* *INDENT-OFF* */
-VLIB_PLUGIN_REGISTER () = {
- .version = VPP_BUILD_VER,
- .default_disabled = 1,
- .description = "Intel 82599 Family Native Driver (experimental)",
-};
-#endif
-
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/ixge/ixge.h b/src/plugins/ixge/ixge.h
deleted file mode 100644
index f80d9c0e7cf..00000000000
--- a/src/plugins/ixge/ixge.h
+++ /dev/null
@@ -1,1292 +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/ethernet/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_dev_handle_t pci_dev_handle;
-
- /* 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 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;
-
-extern ixge_main_t ixge_main;
-extern 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:
- */