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aq_main.c
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/*
* aQuantia Corporation Network Driver
* Copyright (C) 2019 aQuantia Corporation. All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* (1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* (2) Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* (3)The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/socket.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/endian.h>
#include <sys/sockio.h>
#include <sys/priv.h>
#include <sys/sysctl.h>
#include <sys/sbuf.h>
#include <sys/bitstring.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_var.h>
#include <net/if_dl.h>
#include <net/ethernet.h>
#include <net/iflib.h>
#include <net/rss_config.h>
#include "opt_inet.h"
#include "opt_inet6.h"
#include "opt_rss.h"
#include "ifdi_if.h"
#include "aq_device.h"
#include "aq_fw.h"
#include "aq_hw.h"
#include "aq_hw_llh.h"
#include "aq_ring.h"
#include "aq_dbg.h"
#define AQ_XXX_UNIMPLEMENTED_FUNCTION do { \
printf("atlantic: unimplemented function: %s@%s:%d\n", __func__, \
__FILE__, __LINE__); \
} while (0)
MALLOC_DEFINE(M_AQ, "aq", "Aquantia");
char aq_driver_version[] = "0.0.2";
#define AQUANTIA_VENDOR_ID 0x1D6A
#define AQ_DEVICE_ID_0001 0x0001
#define AQ_DEVICE_ID_D100 0xD100
#define AQ_DEVICE_ID_D107 0xD107
#define AQ_DEVICE_ID_D108 0xD108
#define AQ_DEVICE_ID_D109 0xD109
#define AQ_DEVICE_ID_AQC100 0x00B1
#define AQ_DEVICE_ID_AQC107 0x07B1
#define AQ_DEVICE_ID_AQC108 0x08B1
#define AQ_DEVICE_ID_AQC109 0x09B1
#define AQ_DEVICE_ID_AQC111 0x11B1
#define AQ_DEVICE_ID_AQC112 0x12B1
#define AQ_DEVICE_ID_AQC100S 0x80B1
#define AQ_DEVICE_ID_AQC107S 0x87B1
#define AQ_DEVICE_ID_AQC108S 0x88B1
#define AQ_DEVICE_ID_AQC109S 0x89B1
#define AQ_DEVICE_ID_AQC111S 0x91B1
#define AQ_DEVICE_ID_AQC112S 0x92B1
static pci_vendor_info_t aq_vendor_info_array[] = {
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_D107, "Aquantia AQtion 10Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_D108, "Aquantia AQtion 5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_D109, "Aquantia AQtion 2.5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC107, "Aquantia AQtion 10Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC108, "Aquantia AQtion 5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC109, "Aquantia AQtion 2.5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC107S, "Aquantia AQtion 10Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC108S, "Aquantia AQtion 5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC109S, "Aquantia AQtion 2.5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC111, "Aquantia AQtion 5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC112, "Aquantia AQtion 2.5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC111S, "Aquantia AQtion 5Gbit Network Adapter"),
PVID(AQUANTIA_VENDOR_ID, AQ_DEVICE_ID_AQC112S, "Aquantia AQtion 2.5Gbit Network Adapter"),
PVID_END
};
/* Device setup, teardown, etc */
static void *aq_register(device_t dev);
static int aq_if_attach_pre(if_ctx_t ctx);
static int aq_if_attach_post(if_ctx_t ctx);
static int aq_if_detach(if_ctx_t ctx);
static int aq_if_shutdown(if_ctx_t ctx);
static int aq_if_suspend(if_ctx_t ctx);
static int aq_if_resume(if_ctx_t ctx);
/* Soft queue setup and teardown */
static int aq_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
uint64_t *paddrs, int ntxqs, int ntxqsets);
static int aq_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
uint64_t *paddrs, int nrxqs, int nrxqsets);
static void aq_if_queues_free(if_ctx_t ctx);
/* Device configuration */
static void aq_if_init(if_ctx_t ctx);
static void aq_if_stop(if_ctx_t ctx);
static void aq_if_multi_set(if_ctx_t ctx);
static int aq_if_mtu_set(if_ctx_t ctx, uint32_t mtu);
static void aq_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr);
static int aq_if_media_change(if_ctx_t ctx);
static int aq_if_promisc_set(if_ctx_t ctx, int flags);
static uint64_t aq_if_get_counter(if_ctx_t ctx, ift_counter cnt);
static void aq_if_timer(if_ctx_t ctx, uint16_t qid);
static int aq_if_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data);
static int aq_hw_capabilities(struct aq_dev *softc);
static void aq_add_stats_sysctls(struct aq_dev *softc);
/* Interrupt enable / disable */
static void aq_if_enable_intr(if_ctx_t ctx);
static void aq_if_disable_intr(if_ctx_t ctx);
static int aq_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid);
static int aq_if_msix_intr_assign(if_ctx_t ctx, int msix);
/* VLAN support */
static bool aq_is_vlan_promisc_required(struct aq_dev *softc);
static void aq_update_vlan_filters(struct aq_dev *softc);
static void aq_if_vlan_register(if_ctx_t ctx, uint16_t vtag);
static void aq_if_vlan_unregister(if_ctx_t ctx, uint16_t vtag);
/* Informational/diagnostic */
static void aq_if_debug(if_ctx_t ctx);
static void aq_if_led_func(if_ctx_t ctx, int onoff);
static device_method_t aq_methods[] = {
DEVMETHOD(device_register, aq_register),
DEVMETHOD(device_probe, iflib_device_probe),
DEVMETHOD(device_attach, iflib_device_attach),
DEVMETHOD(device_detach, iflib_device_detach),
DEVMETHOD(device_shutdown, iflib_device_shutdown),
DEVMETHOD(device_suspend, iflib_device_suspend),
DEVMETHOD(device_resume, iflib_device_resume),
DEVMETHOD_END
};
static driver_t aq_driver = {
"aq", aq_methods, sizeof(struct aq_dev),
};
static devclass_t aq_devclass;
DRIVER_MODULE(atlantic, pci, aq_driver, aq_devclass, 0, 0);
MODULE_DEPEND(atlantic, pci, 1, 1, 1);
MODULE_DEPEND(atlantic, ether, 1, 1, 1);
MODULE_DEPEND(atlantic, iflib, 1, 1, 1);
IFLIB_PNP_INFO(pci, atlantic, aq_vendor_info_array);
static device_method_t aq_if_methods[] = {
/* Device setup, teardown, etc */
DEVMETHOD(ifdi_attach_pre, aq_if_attach_pre),
DEVMETHOD(ifdi_attach_post, aq_if_attach_post),
DEVMETHOD(ifdi_detach, aq_if_detach),
DEVMETHOD(ifdi_shutdown, aq_if_shutdown),
DEVMETHOD(ifdi_suspend, aq_if_suspend),
DEVMETHOD(ifdi_resume, aq_if_resume),
/* Soft queue setup and teardown */
DEVMETHOD(ifdi_tx_queues_alloc, aq_if_tx_queues_alloc),
DEVMETHOD(ifdi_rx_queues_alloc, aq_if_rx_queues_alloc),
DEVMETHOD(ifdi_queues_free, aq_if_queues_free),
/* Device configuration */
DEVMETHOD(ifdi_init, aq_if_init),
DEVMETHOD(ifdi_stop, aq_if_stop),
DEVMETHOD(ifdi_multi_set, aq_if_multi_set),
DEVMETHOD(ifdi_mtu_set, aq_if_mtu_set),
DEVMETHOD(ifdi_media_status, aq_if_media_status),
DEVMETHOD(ifdi_media_change, aq_if_media_change),
DEVMETHOD(ifdi_promisc_set, aq_if_promisc_set),
DEVMETHOD(ifdi_get_counter, aq_if_get_counter),
DEVMETHOD(ifdi_update_admin_status, aq_if_update_admin_status),
DEVMETHOD(ifdi_timer, aq_if_timer),
// DEVMETHOD(ifdi_priv_ioctl, aq_if_priv_ioctl),
/* Interrupt enable / disable */
DEVMETHOD(ifdi_intr_enable, aq_if_enable_intr),
DEVMETHOD(ifdi_intr_disable, aq_if_disable_intr),
DEVMETHOD(ifdi_rx_queue_intr_enable, aq_if_rx_queue_intr_enable),
DEVMETHOD(ifdi_tx_queue_intr_enable, aq_if_rx_queue_intr_enable),
DEVMETHOD(ifdi_msix_intr_assign, aq_if_msix_intr_assign),
/* VLAN support */
DEVMETHOD(ifdi_vlan_register, aq_if_vlan_register),
DEVMETHOD(ifdi_vlan_unregister, aq_if_vlan_unregister),
/* Informational/diagnostic */
DEVMETHOD(ifdi_led_func, aq_if_led_func),
// DEVMETHOD(ifdi_debug, aq_if_debug),
DEVMETHOD_END
};
static driver_t aq_if_driver = {
"aq_if", aq_if_methods, sizeof(struct aq_dev)
};
static struct if_shared_ctx aq_sctx_init = {
.isc_magic = IFLIB_MAGIC,
.isc_q_align = PAGE_SIZE,
.isc_tx_maxsize = HW_ATL_B0_TSO_SIZE,
.isc_tx_maxsegsize = HW_ATL_B0_MTU_JUMBO,
.isc_tso_maxsize = HW_ATL_B0_TSO_SIZE,
.isc_tso_maxsegsize = HW_ATL_B0_MTU_JUMBO,
.isc_rx_maxsize = HW_ATL_B0_MTU_JUMBO,
.isc_rx_nsegments = 16,
.isc_rx_maxsegsize = PAGE_SIZE,
.isc_nfl = 1,
.isc_nrxqs = 1,
.isc_ntxqs = 1,
.isc_admin_intrcnt = 1,
.isc_vendor_info = aq_vendor_info_array,
.isc_driver_version = aq_driver_version,
.isc_driver = &aq_if_driver,
.isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP |
IFLIB_NEED_ZERO_CSUM,
.isc_nrxd_min = {HW_ATL_B0_MIN_RXD},
.isc_ntxd_min = {HW_ATL_B0_MIN_TXD},
.isc_nrxd_max = {HW_ATL_B0_MAX_RXD},
.isc_ntxd_max = {HW_ATL_B0_MAX_TXD},
.isc_nrxd_default = {PAGE_SIZE / sizeof(aq_txc_desc_t) * 4},
.isc_ntxd_default = {PAGE_SIZE / sizeof(aq_txc_desc_t) * 4},
};
if_shared_ctx_t aq_sctx = &aq_sctx_init;
/*
* TUNEABLE PARAMETERS:
*/
static SYSCTL_NODE(_hw, OID_AUTO, aq, CTLFLAG_RD, 0, "Atlantic driver parameters");
/* UDP Receive-Side Scaling */
static int aq_enable_rss_udp = 1;
SYSCTL_INT(_hw_aq, OID_AUTO, enable_rss_udp, CTLFLAG_RDTUN, &aq_enable_rss_udp, 0,
"Enable Receive-Side Scaling (RSS) for UDP");
/*
* Device Methods
*/
static void *aq_register(device_t dev)
{
return (aq_sctx);
}
static int aq_if_attach_pre(if_ctx_t ctx)
{
struct aq_dev *softc;
struct aq_hw *hw;
if_softc_ctx_t scctx;
int rc;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
rc = 0;
softc->ctx = ctx;
softc->dev = iflib_get_dev(ctx);
softc->media = iflib_get_media(ctx);
softc->scctx = iflib_get_softc_ctx(ctx);
softc->sctx = iflib_get_sctx(ctx);
scctx = softc->scctx;
softc->mmio_rid = PCIR_BAR(0);
softc->mmio_res = bus_alloc_resource_any(softc->dev, SYS_RES_MEMORY,
&softc->mmio_rid, RF_ACTIVE|RF_SHAREABLE);
if (softc->mmio_res == NULL) {
device_printf(softc->dev,
"failed to allocate MMIO resources\n");
rc = ENXIO;
goto fail;
}
softc->mmio_tag = rman_get_bustag(softc->mmio_res);
softc->mmio_handle = rman_get_bushandle(softc->mmio_res);
softc->mmio_size = rman_get_size(softc->mmio_res);
softc->hw.hw_addr = (u8*) softc->mmio_handle;
hw = &softc->hw;
hw->link_rate = aq_fw_speed_auto;
hw->itr = -1;
softc->linkup = 0U;
/* Look up ops and caps. */
rc = aq_hw_mpi_create(hw);
if (rc < 0) {
AQ_DBG_ERROR(" %s: aq_hw_mpi_create fail err=%d", __func__, rc);
goto fail;
}
if (hw->fast_start_enabled) {
if (hw->fw_ops && hw->fw_ops->reset)
hw->fw_ops->reset(hw);
} else
aq_hw_reset(&softc->hw);
aq_hw_capabilities(softc);
if (aq_hw_get_mac_permanent(hw, hw->mac_addr) < 0) {
AQ_DBG_ERROR("Unable to get mac addr from hw");
goto fail;
};
softc->admin_ticks = 0;
iflib_set_mac(ctx, hw->mac_addr);
iflib_led_create(ctx);
scctx->isc_tx_csum_flags = CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TSO;
scctx->isc_capabilities = IFCAP_RXCSUM | IFCAP_TXCSUM | IFCAP_HWCSUM | IFCAP_TSO |
IFCAP_JUMBO_MTU | IFCAP_VLAN_HWFILTER |
IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING |
IFCAP_VLAN_HWCSUM;
scctx->isc_capenable = scctx->isc_capabilities;
scctx->isc_tx_nsegments = 31,
scctx->isc_tx_tso_segments_max = 31;
scctx->isc_tx_tso_size_max = HW_ATL_B0_TSO_SIZE;
scctx->isc_tx_tso_segsize_max = HW_ATL_B0_MTU_JUMBO;
scctx->isc_vectors = 3;
scctx->isc_min_frame_size = 52;
scctx->isc_txrx = &aq_txrx;
scctx->isc_txqsizes[0] = sizeof(aq_tx_desc_t) * scctx->isc_ntxd[0];
scctx->isc_rxqsizes[0] = sizeof(aq_rx_desc_t) * scctx->isc_nrxd[0];
scctx->isc_ntxqsets_max = HW_ATL_B0_RINGS_MAX;
scctx->isc_nrxqsets_max = HW_ATL_B0_RINGS_MAX;
/* iflib will map and release this bar */
scctx->isc_msix_bar = pci_msix_table_bar(softc->dev);
softc->vlan_tags = bit_alloc(4096, M_AQ, M_NOWAIT);
AQ_DBG_EXIT(rc);
return (rc);
fail:
if (softc->mmio_res != NULL)
bus_release_resource(softc->dev, SYS_RES_MEMORY,
softc->mmio_rid, softc->mmio_res);
AQ_DBG_EXIT(rc);
return (ENXIO);
}
static int aq_if_attach_post(if_ctx_t ctx)
{
struct aq_dev *softc;
if_t ifp;
int rc;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
ifp = iflib_get_ifp(ctx);
rc = 0;
aq_update_hw_stats(softc);
aq_initmedia(softc);
switch (softc->scctx->isc_intr) {
case IFLIB_INTR_LEGACY:
rc = EOPNOTSUPP;
goto exit;
goto exit;
break;
case IFLIB_INTR_MSI:
break;
case IFLIB_INTR_MSIX:
break;
default:
device_printf(softc->dev, "unknown interrupt mode\n");
rc = EOPNOTSUPP;
goto exit;
}
aq_add_stats_sysctls(softc);
/* RSS */
arc4rand(softc->rss_key, HW_ATL_RSS_HASHKEY_SIZE, 0);
for (int i = ARRAY_SIZE(softc->rss_table); i--;){
softc->rss_table[i] = i & (softc->rx_rings_count - 1);
}
exit:
AQ_DBG_EXIT(rc);
return (rc);
}
static int aq_if_detach(if_ctx_t ctx)
{
struct aq_dev *softc;
int i;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
aq_hw_deinit(&softc->hw);
for (i = 0; i < softc->scctx->isc_nrxqsets; i++)
iflib_irq_free(ctx, &softc->rx_rings[i]->irq);
iflib_irq_free(ctx, &softc->irq);
if (softc->mmio_res != NULL)
bus_release_resource(softc->dev, SYS_RES_MEMORY,
softc->mmio_rid, softc->mmio_res);
free(softc->vlan_tags, M_AQ);
AQ_DBG_EXIT(0);
return (0);
}
static int aq_if_shutdown(if_ctx_t ctx)
{
AQ_DBG_ENTER();
AQ_XXX_UNIMPLEMENTED_FUNCTION;
AQ_DBG_EXIT(0);
return (0);
}
static int aq_if_suspend(if_ctx_t ctx)
{
AQ_DBG_ENTER();
AQ_XXX_UNIMPLEMENTED_FUNCTION;
AQ_DBG_EXIT(0);
return (0);
}
static int aq_if_resume(if_ctx_t ctx)
{
AQ_DBG_ENTER();
AQ_XXX_UNIMPLEMENTED_FUNCTION;
AQ_DBG_EXIT(0);
return (0);
}
/* Soft queue setup and teardown */
static int aq_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
uint64_t *paddrs, int ntxqs, int ntxqsets)
{
struct aq_dev *softc;
struct aq_ring *ring;
int rc = 0, i;
AQ_DBG_ENTERA("ntxqs=%d, ntxqsets=%d", ntxqs, ntxqsets);
softc = iflib_get_softc(ctx);
AQ_DBG_PRINT("tx descriptors number %d", softc->scctx->isc_ntxd[0]);
for (i = 0; i < ntxqsets; i++) {
ring = softc->tx_rings[i] = malloc(sizeof(struct aq_ring),
M_AQ, M_NOWAIT | M_ZERO);
if (!ring){
rc = ENOMEM;
device_printf(softc->dev, "atlantic: tx_ring malloc fail\n");
goto fail;
}
ring->tx_descs = (aq_tx_desc_t*)vaddrs[i];
ring->tx_size = softc->scctx->isc_ntxd[0];
ring->tx_descs_phys = paddrs[i];
ring->tx_head = ring->tx_tail = 0;
ring->index = i;
ring->dev = softc;
softc->tx_rings_count++;
}
AQ_DBG_EXIT(rc);
return (rc);
fail:
aq_if_queues_free(ctx);
AQ_DBG_EXIT(rc);
return (rc);
}
static int aq_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
uint64_t *paddrs, int nrxqs, int nrxqsets)
{
struct aq_dev *softc;
struct aq_ring *ring;
int rc = 0, i;
AQ_DBG_ENTERA("nrxqs=%d, nrxqsets=%d", nrxqs, nrxqsets);
softc = iflib_get_softc(ctx);
for (i = 0; i < nrxqsets; i++) {
ring = softc->rx_rings[i] = malloc(sizeof(struct aq_ring),
M_AQ, M_NOWAIT | M_ZERO);
if (!ring){
rc = ENOMEM;
device_printf(softc->dev, "atlantic: rx_ring malloc fail\n");
goto fail;
}
ring->rx_descs = (aq_rx_desc_t*)vaddrs[i];
ring->rx_descs_phys = paddrs[i];
ring->rx_size = softc->scctx->isc_nrxd[0];
ring->index = i;
ring->dev = softc;
switch (MCLBYTES) {
case (4 * 1024):
case (8 * 1024):
case (16 * 1024):
ring->rx_max_frame_size = MCLBYTES;
break;
default:
ring->rx_max_frame_size = 2048;
break;
}
softc->rx_rings_count++;
}
AQ_DBG_EXIT(rc);
return (rc);
fail:
aq_if_queues_free(ctx);
AQ_DBG_EXIT(rc);
return (rc);
}
static void aq_if_queues_free(if_ctx_t ctx)
{
struct aq_dev *softc;
int i;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
for (i = 0; i < softc->tx_rings_count; i++) {
if (softc->tx_rings[i]) {
free(softc->tx_rings[i], M_AQ);
softc->tx_rings[i] = NULL;
}
}
softc->tx_rings_count = 0;
for (i = 0; i < softc->rx_rings_count; i++) {
if (softc->rx_rings[i]){
free(softc->rx_rings[i], M_AQ);
softc->rx_rings[i] = NULL;
}
}
softc->rx_rings_count = 0;
AQ_DBG_EXIT(0);
return;
}
/* Device configuration */
static void aq_if_init(if_ctx_t ctx)
{
struct aq_dev *softc;
struct aq_hw *hw;
struct ifmediareq ifmr;
struct ifnet *ifp;
int i, err;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
hw = &softc->hw;
ifp = iflib_get_ifp(ctx);
err = aq_hw_init(&softc->hw, softc->hw.mac_addr, softc->msix,
softc->scctx->isc_intr == IFLIB_INTR_MSIX);
if (err != EOK) {
device_printf(softc->dev, "atlantic: aq_hw_init: %d", err);
}
aq_if_media_status(ctx, &ifmr);
aq_update_vlan_filters(softc);
for (i = 0; i < softc->tx_rings_count; i++) {
struct aq_ring *ring = softc->tx_rings[i];
err = aq_ring_tx_init(&softc->hw, ring);
if (err) {
device_printf(softc->dev, "atlantic: aq_ring_tx_init: %d", err);
}
err = aq_ring_tx_start(hw, ring);
if (err != EOK) {
device_printf(softc->dev, "atlantic: aq_ring_tx_start: %d", err);
}
}
for (i = 0; i < softc->rx_rings_count; i++) {
struct aq_ring *ring = softc->rx_rings[i];
err = aq_ring_rx_init(&softc->hw, ring);
if (err) {
device_printf(softc->dev, "atlantic: aq_ring_rx_init: %d", err);
}
err = aq_ring_rx_start(hw, ring);
if (err != EOK) {
device_printf(softc->dev, "atlantic: aq_ring_rx_start: %d", err);
}
aq_if_rx_queue_intr_enable(ctx, i);
}
aq_hw_start(hw);
aq_if_enable_intr(ctx);
aq_hw_rss_hash_set(&softc->hw, softc->rss_key);
aq_hw_rss_set(&softc->hw, softc->rss_table);
aq_hw_udp_rss_enable(hw, aq_enable_rss_udp);
aq_hw_set_link_speed(hw, hw->link_rate);
AQ_DBG_EXIT(0);
}
static void aq_if_stop(if_ctx_t ctx)
{
struct aq_dev *softc;
struct aq_hw *hw;
int i;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
hw = &softc->hw;
/* disable interrupt */
aq_if_disable_intr(ctx);
for (i = 0; i < softc->tx_rings_count; i++) {
aq_ring_tx_stop(hw, softc->tx_rings[i]);
softc->tx_rings[i]->tx_head = 0;
softc->tx_rings[i]->tx_tail = 0;
}
for (i = 0; i < softc->rx_rings_count; i++) {
aq_ring_rx_stop(hw, softc->rx_rings[i]);
}
aq_hw_reset(&softc->hw);
memset(&softc->last_stats, 0, sizeof(softc->last_stats));
softc->linkup = false;
aq_if_update_admin_status(ctx);
AQ_DBG_EXIT(0);
}
static uint64_t aq_if_get_counter(if_ctx_t ctx, ift_counter cnt)
{
struct aq_dev *softc = iflib_get_softc(ctx);
struct ifnet *ifp = iflib_get_ifp(ctx);
switch (cnt) {
case IFCOUNTER_IERRORS:
return (softc->curr_stats.erpr + softc->curr_stats.dpc);
case IFCOUNTER_OERRORS:
return (softc->curr_stats.erpt);
default:
return (if_get_counter_default(ifp, cnt));
}
}
static int aq_mc_filter_apply(void *arg, struct ifmultiaddr *ifma, int count)
{
struct aq_dev *softc = arg;
struct aq_hw *hw = &softc->hw;
u8 *mac_addr = NULL;
if (ifma->ifma_addr->sa_family != AF_LINK)
return (0);
if (count == AQ_HW_MAC_MAX)
return (0);
mac_addr = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
aq_hw_mac_addr_set(hw, mac_addr, count + 1);
aq_log_detail("set %d mc address %6D", count + 1, mac_addr, ":");
return (1);
}
static bool aq_is_mc_promisc_required(struct aq_dev *softc)
{
return (softc->mcnt >= AQ_HW_MAC_MAX);
}
static void aq_if_multi_set(if_ctx_t ctx)
{
struct aq_dev *softc = iflib_get_softc(ctx);
struct ifnet *ifp = iflib_get_ifp(ctx);
struct aq_hw *hw = &softc->hw;
AQ_DBG_ENTER();
softc->mcnt = if_multiaddr_count(iflib_get_ifp(ctx), AQ_HW_MAC_MAX);
if (softc->mcnt >= AQ_HW_MAC_MAX)
{
aq_hw_set_promisc(hw, !!(ifp->if_flags & IFF_PROMISC),
aq_is_vlan_promisc_required(softc),
!!(ifp->if_flags & IFF_ALLMULTI) || aq_is_mc_promisc_required(softc));
}else{
if_multi_apply(iflib_get_ifp(ctx), aq_mc_filter_apply, softc);
}
AQ_DBG_EXIT(0);
}
static int aq_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
{
int err = 0;
AQ_DBG_ENTER();
AQ_DBG_EXIT(err);
return (err);
}
static void aq_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr)
{
struct ifnet *ifp;
AQ_DBG_ENTER();
ifp = iflib_get_ifp(ctx);
aq_mediastatus(ifp, ifmr);
AQ_DBG_EXIT(0);
}
static int aq_if_media_change(if_ctx_t ctx)
{
struct aq_dev *softc = iflib_get_softc(ctx);
struct ifnet *ifp = iflib_get_ifp(ctx);
int rc = 0;
AQ_DBG_ENTER();
/* Not allowd in UP state, since causes unsync of rings */
if ((ifp->if_flags & IFF_UP)){
rc = EPERM;
goto exit;
}
ifp = iflib_get_ifp(softc->ctx);
rc = aq_mediachange(ifp);
exit:
AQ_DBG_EXIT(rc);
return (rc);
}
static int aq_if_promisc_set(if_ctx_t ctx, int flags)
{
struct aq_dev *softc;
struct ifnet *ifp;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
ifp = iflib_get_ifp(softc->ctx);
aq_hw_set_promisc(&softc->hw, !!(flags & IFF_PROMISC),
aq_is_vlan_promisc_required(softc),
!!(flags & IFF_ALLMULTI) || aq_is_mc_promisc_required(softc));
AQ_DBG_EXIT(0);
return (0);
}
static void aq_if_timer(if_ctx_t ctx, uint16_t qid)
{
struct aq_dev *softc;
uint64_t ticks_now;
// AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
ticks_now = ticks;
/* Schedule aqc_if_update_admin_status() once per sec */
if (ticks_now - softc->admin_ticks >= hz) {
softc->admin_ticks = ticks_now;
iflib_admin_intr_deferred(ctx);
}
// AQ_DBG_EXIT(0);
return;
}
/* Interrupt enable / disable */
static void aq_if_enable_intr(if_ctx_t ctx)
{
struct aq_dev *softc = iflib_get_softc(ctx);
struct aq_hw *hw = &softc->hw;
AQ_DBG_ENTER();
/* Enable interrupts */
itr_irq_msk_setlsw_set(hw, BIT(softc->msix + 1) - 1);
AQ_DBG_EXIT(0);
}
static void aq_if_disable_intr(if_ctx_t ctx)
{
struct aq_dev *softc = iflib_get_softc(ctx);
struct aq_hw *hw = &softc->hw;
AQ_DBG_ENTER();
/* Disable interrupts */
itr_irq_msk_clearlsw_set(hw, BIT(softc->msix + 1) - 1);
AQ_DBG_EXIT(0);
}
static int aq_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid)
{
struct aq_dev *softc = iflib_get_softc(ctx);
struct aq_hw *hw = &softc->hw;
AQ_DBG_ENTER();
itr_irq_msk_setlsw_set(hw, BIT(softc->rx_rings[rxqid]->msix));
AQ_DBG_EXIT(0);
return (0);
}
static int aq_if_msix_intr_assign(if_ctx_t ctx, int msix)
{
struct aq_dev *softc;
int i, vector = 0, rc;
char irq_name[16];
int rx_vectors;
AQ_DBG_ENTER();
softc = iflib_get_softc(ctx);
for (i = 0; i < softc->rx_rings_count; i++, vector++) {
snprintf(irq_name, sizeof(irq_name), "rxq%d", i);
rc = iflib_irq_alloc_generic(ctx, &softc->rx_rings[i]->irq,
vector + 1, IFLIB_INTR_RX, aq_isr_rx, softc->rx_rings[i],
softc->rx_rings[i]->index, irq_name);
device_printf(softc->dev, "Assign IRQ %u to rx ring %u\n",
vector, softc->rx_rings[i]->index);
if (rc) {
device_printf(softc->dev, "failed to set up RX handler\n");
i--;
goto fail;
}
softc->rx_rings[i]->msix = vector;
}
rx_vectors = vector;
for (i = 0; i < softc->tx_rings_count; i++, vector++) {
snprintf(irq_name, sizeof(irq_name), "txq%d", i);
iflib_softirq_alloc_generic(ctx, &softc->rx_rings[i]->irq, IFLIB_INTR_TX,
softc->tx_rings[i], i, irq_name);
softc->tx_rings[i]->msix = (vector % softc->rx_rings_count);
device_printf(softc->dev, "Assign IRQ %u to tx ring %u\n",
softc->tx_rings[i]->msix, softc->tx_rings[i]->index);
}
rc = iflib_irq_alloc_generic(ctx, &softc->irq, rx_vectors + 1,
IFLIB_INTR_ADMIN, aq_linkstat_isr,
softc, 0, "aq");
softc->msix = rx_vectors;
device_printf(softc->dev, "Assign IRQ %u to admin proc \n",
rx_vectors);
if (rc) {
device_printf(iflib_get_dev(ctx), "Failed to register admin handler");
i = softc->rx_rings_count;
goto fail;
}
AQ_DBG_EXIT(0);
return (0);
fail:
for (; i >= 0; i--)
iflib_irq_free(ctx, &softc->rx_rings[i]->irq);
AQ_DBG_EXIT(rc);
return (rc);
}
static bool aq_is_vlan_promisc_required(struct aq_dev *softc)
{
int vlan_tag_count;
bit_count(softc->vlan_tags, 0, 4096, &vlan_tag_count);
if (vlan_tag_count <= AQ_HW_VLAN_MAX_FILTERS)
return (false);
else
return (true);
}
static void aq_update_vlan_filters(struct aq_dev *softc)
{
struct aq_rx_filter_vlan aq_vlans[AQ_HW_VLAN_MAX_FILTERS];
struct aq_hw *hw = &softc->hw;
int bit_pos = 0;
int vlan_tag = -1;
int i;
hw_atl_b0_hw_vlan_promisc_set(hw, true);
for (i = 0; i < AQ_HW_VLAN_MAX_FILTERS; i++) {
bit_ffs_at(softc->vlan_tags, bit_pos, 4096, &vlan_tag);
if (vlan_tag != -1) {
aq_vlans[i].enable = true;
aq_vlans[i].location = i;
aq_vlans[i].queue = 0xFF;
aq_vlans[i].vlan_id = vlan_tag;
bit_pos = vlan_tag;
} else {
aq_vlans[i].enable = false;
}
}
hw_atl_b0_hw_vlan_set(hw, aq_vlans);
hw_atl_b0_hw_vlan_promisc_set(hw, aq_is_vlan_promisc_required(softc));
}
/* VLAN support */
static void aq_if_vlan_register(if_ctx_t ctx, uint16_t vtag)
{
struct aq_dev *softc = iflib_get_softc(ctx);
AQ_DBG_ENTERA("%d", vtag);
bit_set(softc->vlan_tags, vtag);
aq_update_vlan_filters(softc);
AQ_DBG_EXIT(0);
}