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linux_dsm_epyc7002/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
Vladimir Zapolskiy d7a32b6e6b net: qlcnic: clean up sysfs error codes 
Replace confusing QL_STATUS_INVALID_PARAM == -1 == -EPERM with -EINVAL
and QLC_STATUS_UNSUPPORTED_CMD == -2 == -ENOENT with -EOPNOTSUPP, the
latter error code is arguable, but it is already used in the driver,
so let it be here as well.

Also remove always false (!buf) check on read(), the driver should
not care if userspace gets its EFAULT or not.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-28 20:14:45 -07:00

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/*
* QLogic qlcnic NIC Driver
* Copyright (c) 2009-2013 QLogic Corporation
*
* See LICENSE.qlcnic for copyright and licensing details.
*/
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include "qlcnic.h"
#include "qlcnic_sriov.h"
#include "qlcnic_hw.h"
#include <linux/swab.h>
#include <linux/dma-mapping.h>
#include <linux/if_vlan.h>
#include <net/ip.h>
#include <linux/ipv6.h>
#include <linux/inetdevice.h>
#include <linux/aer.h>
#include <linux/log2.h>
#include <linux/pci.h>
#ifdef CONFIG_QLCNIC_VXLAN
#include <net/vxlan.h>
#endif
MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
char qlcnic_driver_name[] = "qlcnic";
static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
"Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
static int qlcnic_mac_learn;
module_param(qlcnic_mac_learn, int, 0444);
MODULE_PARM_DESC(qlcnic_mac_learn,
"Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)");
int qlcnic_use_msi = 1;
MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)");
module_param_named(use_msi, qlcnic_use_msi, int, 0444);
int qlcnic_use_msi_x = 1;
MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)");
module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
int qlcnic_auto_fw_reset = 1;
MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)");
module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
int qlcnic_load_fw_file;
MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)");
module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static void qlcnic_remove(struct pci_dev *pdev);
static int qlcnic_open(struct net_device *netdev);
static int qlcnic_close(struct net_device *netdev);
static void qlcnic_tx_timeout(struct net_device *netdev);
static void qlcnic_attach_work(struct work_struct *work);
static void qlcnic_fwinit_work(struct work_struct *work);
#ifdef CONFIG_NET_POLL_CONTROLLER
static void qlcnic_poll_controller(struct net_device *netdev);
#endif
static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
static irqreturn_t qlcnic_intr(int irq, void *data);
static irqreturn_t qlcnic_msi_intr(int irq, void *data);
static irqreturn_t qlcnic_msix_intr(int irq, void *data);
static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data);
static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
static int qlcnic_start_firmware(struct qlcnic_adapter *);
static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16);
static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16);
static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *);
static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32);
static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *);
static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *);
static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *);
static void qlcnic_82xx_io_resume(struct pci_dev *);
static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *);
static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *,
pci_channel_state_t);
static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X)
return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX;
else
return 1;
}
/* PCI Device ID Table */
#define ENTRY(device) \
{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
static const struct pci_device_id qlcnic_pci_tbl[] = {
ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X),
ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830),
ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X),
ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X),
ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X),
{0,}
};
MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
{
writel(tx_ring->producer, tx_ring->crb_cmd_producer);
}
static const u32 msi_tgt_status[8] = {
ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
};
static const u32 qlcnic_reg_tbl[] = {
0x1B20A8, /* PEG_HALT_STAT1 */
0x1B20AC, /* PEG_HALT_STAT2 */
0x1B20B0, /* FW_HEARTBEAT */
0x1B2100, /* LOCK ID */
0x1B2128, /* FW_CAPABILITIES */
0x1B2138, /* drv active */
0x1B2140, /* dev state */
0x1B2144, /* drv state */
0x1B2148, /* drv scratch */
0x1B214C, /* dev partition info */
0x1B2174, /* drv idc ver */
0x1B2150, /* fw version major */
0x1B2154, /* fw version minor */
0x1B2158, /* fw version sub */
0x1B219C, /* npar state */
0x1B21FC, /* FW_IMG_VALID */
0x1B2250, /* CMD_PEG_STATE */
0x1B233C, /* RCV_PEG_STATE */
0x1B23B4, /* ASIC TEMP */
0x1B216C, /* FW api */
0x1B2170, /* drv op mode */
0x13C010, /* flash lock */
0x13C014, /* flash unlock */
};
static const struct qlcnic_board_info qlcnic_boards[] = {
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE844X,
0x0,
0x0,
"8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x24e,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x243,
"8300 Series Single Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x24a,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x246,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x252,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x26e,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x260,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x266,
"8300 Series Single Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x269,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
PCI_VENDOR_ID_QLOGIC,
0x271,
"8300 Series Dual Port 10GbE Converged Network Adapter "
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE834X,
0x0, 0x0, "8300 Series 1/10GbE Controller" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE8830,
0x0,
0x0,
"8830 Series 1/10GbE Controller" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
PCI_VENDOR_ID_QLOGIC,
0x203,
"8200 Series Single Port 10GbE Converged Network Adapter"
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
PCI_VENDOR_ID_QLOGIC,
0x207,
"8200 Series Dual Port 10GbE Converged Network Adapter"
"(TCP/IP Networking)" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
PCI_VENDOR_ID_QLOGIC,
0x20b,
"3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
PCI_VENDOR_ID_QLOGIC,
0x20c,
"3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
PCI_VENDOR_ID_QLOGIC,
0x20f,
"3200 Series Single Port 10Gb Intelligent Ethernet Adapter" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
0x103c, 0x3733,
"NC523SFP 10Gb 2-port Server Adapter" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
0x103c, 0x3346,
"CN1000Q Dual Port Converged Network Adapter" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
PCI_VENDOR_ID_QLOGIC,
0x210,
"QME8242-k 10GbE Dual Port Mezzanine Card" },
{ PCI_VENDOR_ID_QLOGIC,
PCI_DEVICE_ID_QLOGIC_QLE824X,
0x0, 0x0, "cLOM8214 1/10GbE Controller" },
};
#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
static const
struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
{
int size = sizeof(struct qlcnic_host_sds_ring) * count;
recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
return recv_ctx->sds_rings == NULL;
}
void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
{
kfree(recv_ctx->sds_rings);
recv_ctx->sds_rings = NULL;
}
int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
u8 mac_addr[ETH_ALEN];
int ret;
ret = qlcnic_get_mac_address(adapter, mac_addr,
adapter->ahw->pci_func);
if (ret)
return ret;
memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
/* set station address */
if (!is_valid_ether_addr(netdev->dev_addr))
dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
netdev->dev_addr);
return 0;
}
static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter)
{
struct qlcnic_mac_vlan_list *cur;
struct list_head *head;
list_for_each(head, &adapter->mac_list) {
cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) {
qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
0, QLCNIC_MAC_DEL);
list_del(&cur->list);
kfree(cur);
return;
}
}
}
static int qlcnic_set_mac(struct net_device *netdev, void *p)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct sockaddr *addr = p;
if (qlcnic_sriov_vf_check(adapter))
return -EINVAL;
if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
return -EOPNOTSUPP;
if (!is_valid_ether_addr(addr->sa_data))
return -EINVAL;
if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data))
return 0;
if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
netif_device_detach(netdev);
qlcnic_napi_disable(adapter);
}
qlcnic_delete_adapter_mac(adapter);
memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
qlcnic_set_multi(adapter->netdev);
if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
netif_device_attach(netdev);
qlcnic_napi_enable(adapter);
}
return 0;
}
static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *netdev,
const unsigned char *addr, u16 vid)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err = -EOPNOTSUPP;
if (!adapter->fdb_mac_learn)
return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid);
if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
qlcnic_sriov_check(adapter)) {
if (is_unicast_ether_addr(addr)) {
err = dev_uc_del(netdev, addr);
if (!err)
err = qlcnic_nic_del_mac(adapter, addr);
} else if (is_multicast_ether_addr(addr)) {
err = dev_mc_del(netdev, addr);
} else {
err = -EINVAL;
}
}
return err;
}
static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
struct net_device *netdev,
const unsigned char *addr, u16 vid, u16 flags)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err = 0;
if (!adapter->fdb_mac_learn)
return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags);
if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) &&
!qlcnic_sriov_check(adapter)) {
pr_info("%s: FDB e-switch is not enabled\n", __func__);
return -EOPNOTSUPP;
}
if (ether_addr_equal(addr, adapter->mac_addr))
return err;
if (is_unicast_ether_addr(addr)) {
if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count)
err = dev_uc_add_excl(netdev, addr);
else
err = -ENOMEM;
} else if (is_multicast_ether_addr(addr)) {
err = dev_mc_add_excl(netdev, addr);
} else {
err = -EINVAL;
}
return err;
}
static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb,
struct net_device *netdev,
struct net_device *filter_dev, int idx)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
if (!adapter->fdb_mac_learn)
return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
qlcnic_sriov_check(adapter))
idx = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx);
return idx;
}
static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
{
while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
usleep_range(10000, 11000);
if (!adapter->fw_work.work.func)
return;
cancel_delayed_work_sync(&adapter->fw_work);
}
static int qlcnic_get_phys_port_id(struct net_device *netdev,
struct netdev_phys_item_id *ppid)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_hardware_context *ahw = adapter->ahw;
if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID))
return -EOPNOTSUPP;
ppid->id_len = sizeof(ahw->phys_port_id);
memcpy(ppid->id, ahw->phys_port_id, ppid->id_len);
return 0;
}
#ifdef CONFIG_QLCNIC_VXLAN
static void qlcnic_add_vxlan_port(struct net_device *netdev,
sa_family_t sa_family, __be16 port)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_hardware_context *ahw = adapter->ahw;
/* Adapter supports only one VXLAN port. Use very first port
* for enabling offload
*/
if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
return;
ahw->vxlan_port = ntohs(port);
adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
}
static void qlcnic_del_vxlan_port(struct net_device *netdev,
sa_family_t sa_family, __be16 port)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_hardware_context *ahw = adapter->ahw;
if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
(ahw->vxlan_port != ntohs(port)))
return;
adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
}
static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
{
features = vlan_features_check(skb, features);
return vxlan_features_check(skb, features);
}
#endif
static const struct net_device_ops qlcnic_netdev_ops = {
.ndo_open = qlcnic_open,
.ndo_stop = qlcnic_close,
.ndo_start_xmit = qlcnic_xmit_frame,
.ndo_get_stats = qlcnic_get_stats,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = qlcnic_set_multi,
.ndo_set_mac_address = qlcnic_set_mac,
.ndo_change_mtu = qlcnic_change_mtu,
.ndo_fix_features = qlcnic_fix_features,
.ndo_set_features = qlcnic_set_features,
.ndo_tx_timeout = qlcnic_tx_timeout,
.ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
.ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
.ndo_fdb_add = qlcnic_fdb_add,
.ndo_fdb_del = qlcnic_fdb_del,
.ndo_fdb_dump = qlcnic_fdb_dump,
.ndo_get_phys_port_id = qlcnic_get_phys_port_id,
#ifdef CONFIG_QLCNIC_VXLAN
.ndo_add_vxlan_port = qlcnic_add_vxlan_port,
.ndo_del_vxlan_port = qlcnic_del_vxlan_port,
.ndo_features_check = qlcnic_features_check,
#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = qlcnic_poll_controller,
#endif
#ifdef CONFIG_QLCNIC_SRIOV
.ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
.ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate,
.ndo_get_vf_config = qlcnic_sriov_get_vf_config,
.ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
.ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk,
#endif
};
static const struct net_device_ops qlcnic_netdev_failed_ops = {
.ndo_open = qlcnic_open,
};
static struct qlcnic_nic_template qlcnic_ops = {
.config_bridged_mode = qlcnic_config_bridged_mode,
.config_led = qlcnic_82xx_config_led,
.start_firmware = qlcnic_82xx_start_firmware,
.request_reset = qlcnic_82xx_dev_request_reset,
.cancel_idc_work = qlcnic_82xx_cancel_idc_work,
.napi_add = qlcnic_82xx_napi_add,
.napi_del = qlcnic_82xx_napi_del,
.config_ipaddr = qlcnic_82xx_config_ipaddr,
.shutdown = qlcnic_82xx_shutdown,
.resume = qlcnic_82xx_resume,
.clear_legacy_intr = qlcnic_82xx_clear_legacy_intr,
};
struct qlcnic_nic_template qlcnic_vf_ops = {
.config_bridged_mode = qlcnicvf_config_bridged_mode,
.config_led = qlcnicvf_config_led,
.start_firmware = qlcnicvf_start_firmware
};
static struct qlcnic_hardware_ops qlcnic_hw_ops = {
.read_crb = qlcnic_82xx_read_crb,
.write_crb = qlcnic_82xx_write_crb,
.read_reg = qlcnic_82xx_hw_read_wx_2M,
.write_reg = qlcnic_82xx_hw_write_wx_2M,
.get_mac_address = qlcnic_82xx_get_mac_address,
.setup_intr = qlcnic_82xx_setup_intr,
.alloc_mbx_args = qlcnic_82xx_alloc_mbx_args,
.mbx_cmd = qlcnic_82xx_issue_cmd,
.get_func_no = qlcnic_82xx_get_func_no,
.api_lock = qlcnic_82xx_api_lock,
.api_unlock = qlcnic_82xx_api_unlock,
.add_sysfs = qlcnic_82xx_add_sysfs,
.remove_sysfs = qlcnic_82xx_remove_sysfs,
.process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag,
.create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx,
.create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx,
.del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx,
.del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx,
.setup_link_event = qlcnic_82xx_linkevent_request,
.get_nic_info = qlcnic_82xx_get_nic_info,
.get_pci_info = qlcnic_82xx_get_pci_info,
.set_nic_info = qlcnic_82xx_set_nic_info,
.change_macvlan = qlcnic_82xx_sre_macaddr_change,
.napi_enable = qlcnic_82xx_napi_enable,
.napi_disable = qlcnic_82xx_napi_disable,
.config_intr_coal = qlcnic_82xx_config_intr_coalesce,
.config_rss = qlcnic_82xx_config_rss,
.config_hw_lro = qlcnic_82xx_config_hw_lro,
.config_loopback = qlcnic_82xx_set_lb_mode,
.clear_loopback = qlcnic_82xx_clear_lb_mode,
.config_promisc_mode = qlcnic_82xx_nic_set_promisc,
.change_l2_filter = qlcnic_82xx_change_filter,
.get_board_info = qlcnic_82xx_get_board_info,
.set_mac_filter_count = qlcnic_82xx_set_mac_filter_count,
.free_mac_list = qlcnic_82xx_free_mac_list,
.read_phys_port_id = qlcnic_82xx_read_phys_port_id,
.io_error_detected = qlcnic_82xx_io_error_detected,
.io_slot_reset = qlcnic_82xx_io_slot_reset,
.io_resume = qlcnic_82xx_io_resume,
.get_beacon_state = qlcnic_82xx_get_beacon_state,
.enable_sds_intr = qlcnic_82xx_enable_sds_intr,
.disable_sds_intr = qlcnic_82xx_disable_sds_intr,
.enable_tx_intr = qlcnic_82xx_enable_tx_intr,
.disable_tx_intr = qlcnic_82xx_disable_tx_intr,
.get_saved_state = qlcnic_82xx_get_saved_state,
.set_saved_state = qlcnic_82xx_set_saved_state,
.cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values,
.get_cap_size = qlcnic_82xx_get_cap_size,
.set_sys_info = qlcnic_82xx_set_sys_info,
.store_cap_mask = qlcnic_82xx_store_cap_mask,
};
static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
if (qlcnic_82xx_check(adapter) &&
(ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) {
test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state);
return 0;
} else {
return 1;
}
}
static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt,
int queue_type)
{
int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS;
if (queue_type == QLCNIC_RX_QUEUE)
max_rings = adapter->max_sds_rings;
else if (queue_type == QLCNIC_TX_QUEUE)
max_rings = adapter->max_tx_rings;
num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(),
max_rings));
if (ring_cnt > num_rings)
return num_rings;
else
return ring_cnt;
}
void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt)
{
/* 83xx adapter does not have max_tx_rings intialized in probe */
if (adapter->max_tx_rings)
adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt,
QLCNIC_TX_QUEUE);
else
adapter->drv_tx_rings = tx_cnt;
}
void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt)
{
/* 83xx adapter does not have max_sds_rings intialized in probe */
if (adapter->max_sds_rings)
adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt,
QLCNIC_RX_QUEUE);
else
adapter->drv_sds_rings = rx_cnt;
}
int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
{
struct pci_dev *pdev = adapter->pdev;
int num_msix = 0, err = 0, vector;
adapter->flags &= ~QLCNIC_TSS_RSS;
if (adapter->drv_tss_rings > 0)
num_msix += adapter->drv_tss_rings;
else
num_msix += adapter->drv_tx_rings;
if (adapter->drv_rss_rings > 0)
num_msix += adapter->drv_rss_rings;
else
num_msix += adapter->drv_sds_rings;
if (qlcnic_83xx_check(adapter))
num_msix += 1;
if (!adapter->msix_entries) {
adapter->msix_entries = kcalloc(num_msix,
sizeof(struct msix_entry),
GFP_KERNEL);
if (!adapter->msix_entries)
return -ENOMEM;
}
for (vector = 0; vector < num_msix; vector++)
adapter->msix_entries[vector].entry = vector;
restore:
err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix);
if (err == -ENOSPC) {
if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
return err;
netdev_info(adapter->netdev,
"Unable to allocate %d MSI-X vectors, Available vectors %d\n",
num_msix, err);
num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings;
/* Set rings to 0 so we can restore original TSS/RSS count */
adapter->drv_tss_rings = 0;
adapter->drv_rss_rings = 0;
if (qlcnic_83xx_check(adapter))
num_msix += 1;
netdev_info(adapter->netdev,
"Restoring %d Tx, %d SDS rings for total %d vectors.\n",
adapter->drv_tx_rings, adapter->drv_sds_rings,
num_msix);
goto restore;
} else if (err < 0) {
return err;
}
adapter->ahw->num_msix = num_msix;
if (adapter->drv_tss_rings > 0)
adapter->drv_tx_rings = adapter->drv_tss_rings;
if (adapter->drv_rss_rings > 0)
adapter->drv_sds_rings = adapter->drv_rss_rings;
return 0;
}
int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
{
struct pci_dev *pdev = adapter->pdev;
int err, vector;
if (!adapter->msix_entries) {
adapter->msix_entries = kcalloc(num_msix,
sizeof(struct msix_entry),
GFP_KERNEL);
if (!adapter->msix_entries)
return -ENOMEM;
}
adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
if (adapter->ahw->msix_supported) {
enable_msix:
for (vector = 0; vector < num_msix; vector++)
adapter->msix_entries[vector].entry = vector;
err = pci_enable_msix_range(pdev,
adapter->msix_entries, 1, num_msix);
if (err == num_msix) {
adapter->flags |= QLCNIC_MSIX_ENABLED;
adapter->ahw->num_msix = num_msix;
dev_info(&pdev->dev, "using msi-x interrupts\n");
return 0;
} else if (err > 0) {
pci_disable_msix(pdev);
dev_info(&pdev->dev,
"Unable to allocate %d MSI-X vectors, Available vectors %d\n",
num_msix, err);
if (qlcnic_82xx_check(adapter)) {
num_msix = rounddown_pow_of_two(err);
if (err < QLCNIC_82XX_MINIMUM_VECTOR)
return -ENOSPC;
} else {
num_msix = rounddown_pow_of_two(err - 1);
num_msix += 1;
if (err < QLCNIC_83XX_MINIMUM_VECTOR)
return -ENOSPC;
}
if (qlcnic_82xx_check(adapter) &&
!qlcnic_check_multi_tx(adapter)) {
adapter->drv_sds_rings = num_msix;
adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
} else {
/* Distribute vectors equally */
adapter->drv_tx_rings = num_msix / 2;
adapter->drv_sds_rings = adapter->drv_tx_rings;
}
if (num_msix) {
dev_info(&pdev->dev,
"Trying to allocate %d MSI-X interrupt vectors\n",
num_msix);
goto enable_msix;
}
} else {
dev_info(&pdev->dev,
"Unable to allocate %d MSI-X vectors, err=%d\n",
num_msix, err);
return err;
}
}
return -EIO;
}
static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
{
int num_msix;
num_msix = adapter->drv_sds_rings;
if (qlcnic_check_multi_tx(adapter))
num_msix += adapter->drv_tx_rings;
else
num_msix += QLCNIC_SINGLE_RING;
return num_msix;
}
static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
{
int err = 0;
u32 offset, mask_reg;
const struct qlcnic_legacy_intr_set *legacy_intrp;
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct pci_dev *pdev = adapter->pdev;
if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
adapter->flags |= QLCNIC_MSI_ENABLED;
offset = msi_tgt_status[adapter->ahw->pci_func];
adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
offset);
dev_info(&pdev->dev, "using msi interrupts\n");
adapter->msix_entries[0].vector = pdev->irq;
return err;
}
if (qlcnic_use_msi || qlcnic_use_msi_x)
return -EOPNOTSUPP;
legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
offset = legacy_intrp->tgt_status_reg;
adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
mask_reg = legacy_intrp->tgt_mask_reg;
adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
dev_info(&pdev->dev, "using legacy interrupts\n");
adapter->msix_entries[0].vector = pdev->irq;
return err;
}
static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter)
{
int num_msix, err = 0;
if (adapter->flags & QLCNIC_TSS_RSS) {
err = qlcnic_setup_tss_rss_intr(adapter);
if (err < 0)
return err;
num_msix = adapter->ahw->num_msix;
} else {
num_msix = qlcnic_82xx_calculate_msix_vector(adapter);
err = qlcnic_enable_msix(adapter, num_msix);
if (err == -ENOMEM)
return err;
if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
qlcnic_disable_multi_tx(adapter);
adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
err = qlcnic_enable_msi_legacy(adapter);
if (err)
return err;
}
}
return 0;
}
int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
int err, i;
if (qlcnic_check_multi_tx(adapter) &&
!ahw->diag_test &&
(adapter->flags & QLCNIC_MSIX_ENABLED)) {
ahw->intr_tbl = vzalloc(ahw->num_msix *
sizeof(struct qlcnic_intrpt_config));
if (!ahw->intr_tbl)
return -ENOMEM;
for (i = 0; i < ahw->num_msix; i++) {
ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
ahw->intr_tbl[i].id = i;
ahw->intr_tbl[i].src = 0;
}
err = qlcnic_82xx_config_intrpt(adapter, 1);
if (err)
dev_err(&adapter->pdev->dev,
"Failed to configure Interrupt for %d vector\n",
ahw->num_msix);
return err;
}
return 0;
}
void qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
{
if (adapter->flags & QLCNIC_MSIX_ENABLED)
pci_disable_msix(adapter->pdev);
if (adapter->flags & QLCNIC_MSI_ENABLED)
pci_disable_msi(adapter->pdev);
kfree(adapter->msix_entries);
adapter->msix_entries = NULL;
if (adapter->ahw->intr_tbl) {
vfree(adapter->ahw->intr_tbl);
adapter->ahw->intr_tbl = NULL;
}
}
static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw)
{
if (ahw->pci_base0 != NULL)
iounmap(ahw->pci_base0);
}
static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_pci_info *pci_info;
int ret;
if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
switch (ahw->port_type) {
case QLCNIC_GBE:
ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS;
break;
case QLCNIC_XGBE:
ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS;
break;
}
return 0;
}
if (ahw->op_mode == QLCNIC_MGMT_FUNC)
return 0;
pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
if (!pci_info)
return -ENOMEM;
ret = qlcnic_get_pci_info(adapter, pci_info);
kfree(pci_info);
return ret;
}
static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter)
{
bool ret = false;
if (qlcnic_84xx_check(adapter)) {
ret = true;
} else if (qlcnic_83xx_check(adapter)) {
if (adapter->ahw->extra_capability[0] &
QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG)
ret = true;
else
ret = false;
}
return ret;
}
int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_pci_info *pci_info;
int i, id = 0, ret = 0, j = 0;
u16 act_pci_func;
u8 pfn;
pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL);
if (!pci_info)
return -ENOMEM;
ret = qlcnic_get_pci_info(adapter, pci_info);
if (ret)
goto err_pci_info;
act_pci_func = ahw->total_nic_func;
adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
act_pci_func, GFP_KERNEL);
if (!adapter->npars) {
ret = -ENOMEM;
goto err_pci_info;
}
adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
if (!adapter->eswitch) {
ret = -ENOMEM;
goto err_npars;
}
for (i = 0; i < ahw->max_vnic_func; i++) {
pfn = pci_info[i].id;
if (pfn >= ahw->max_vnic_func) {
ret = -EINVAL;
dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n",
__func__, pfn, ahw->max_vnic_func);
goto err_eswitch;
}
if (!pci_info[i].active ||
(pci_info[i].type != QLCNIC_TYPE_NIC))
continue;
if (qlcnic_port_eswitch_cfg_capability(adapter)) {
if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn,
&id))
adapter->npars[j].eswitch_status = true;
else
continue;
} else {
adapter->npars[j].eswitch_status = true;
}
adapter->npars[j].pci_func = pfn;
adapter->npars[j].active = (u8)pci_info[i].active;
adapter->npars[j].type = (u8)pci_info[i].type;
adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN);
j++;
}
/* Update eSwitch status for adapters without per port eSwitch
* configuration capability
*/
if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
}
kfree(pci_info);
return 0;
err_eswitch:
kfree(adapter->eswitch);
adapter->eswitch = NULL;
err_npars:
kfree(adapter->npars);
adapter->npars = NULL;
err_pci_info:
kfree(pci_info);
return ret;
}
static int
qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
{
u8 id;
int ret;
u32 data = QLCNIC_MGMT_FUNC;
struct qlcnic_hardware_context *ahw = adapter->ahw;
ret = qlcnic_api_lock(adapter);
if (ret)
goto err_lock;
id = ahw->pci_func;
data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
data = (data & ~QLC_DEV_SET_DRV(0xf, id)) |
QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id);
QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data);
qlcnic_api_unlock(adapter);
err_lock:
return ret;
}
static void qlcnic_check_vf(struct qlcnic_adapter *adapter,
const struct pci_device_id *ent)
{
u32 op_mode, priv_level;
/* Determine FW API version */
adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter,
QLCNIC_FW_API);
/* Find PCI function number */
qlcnic_get_func_no(adapter);
/* Determine function privilege level */
op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
if (op_mode == QLC_DEV_DRV_DEFAULT)
priv_level = QLCNIC_MGMT_FUNC;
else
priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
if (priv_level == QLCNIC_NON_PRIV_FUNC) {
adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
dev_info(&adapter->pdev->dev,
"HAL Version: %d Non Privileged function\n",
adapter->ahw->fw_hal_version);
adapter->nic_ops = &qlcnic_vf_ops;
} else
adapter->nic_ops = &qlcnic_ops;
}
#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
#define QLCNIC_83XX_BAR0_LENGTH 0x4000
static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
{
switch (dev_id) {
case PCI_DEVICE_ID_QLOGIC_QLE824X:
*bar = QLCNIC_82XX_BAR0_LENGTH;
break;
case PCI_DEVICE_ID_QLOGIC_QLE834X:
case PCI_DEVICE_ID_QLOGIC_QLE8830:
case PCI_DEVICE_ID_QLOGIC_QLE844X:
case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
*bar = QLCNIC_83XX_BAR0_LENGTH;
break;
default:
*bar = 0;
}
}
static int qlcnic_setup_pci_map(struct pci_dev *pdev,
struct qlcnic_hardware_context *ahw)
{
u32 offset;
void __iomem *mem_ptr0 = NULL;
unsigned long mem_len, pci_len0 = 0, bar0_len;
/* remap phys address */
mem_len = pci_resource_len(pdev, 0);
qlcnic_get_bar_length(pdev->device, &bar0_len);
if (mem_len >= bar0_len) {
mem_ptr0 = pci_ioremap_bar(pdev, 0);
if (mem_ptr0 == NULL) {
dev_err(&pdev->dev, "failed to map PCI bar 0\n");
return -EIO;
}
pci_len0 = mem_len;
} else {
return -EIO;
}
dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10));
ahw->pci_base0 = mem_ptr0;
ahw->pci_len0 = pci_len0;
offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
qlcnic_get_ioaddr(ahw, offset);
return 0;
}
static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter,
int index)
{
struct pci_dev *pdev = adapter->pdev;
unsigned short subsystem_vendor;
bool ret = true;
subsystem_vendor = pdev->subsystem_vendor;
if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X ||
pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) {
if (qlcnic_boards[index].sub_vendor == subsystem_vendor &&
qlcnic_boards[index].sub_device == pdev->subsystem_device)
ret = true;
else
ret = false;
}
return ret;
}
static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
{
struct pci_dev *pdev = adapter->pdev;
int i, found = 0;
for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
if (qlcnic_boards[i].vendor == pdev->vendor &&
qlcnic_boards[i].device == pdev->device &&
qlcnic_validate_subsystem_id(adapter, i)) {
found = 1;
break;
}
}
if (!found)
sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
else
sprintf(name, "%pM: %s" , adapter->mac_addr,
qlcnic_boards[i].short_name);
}
static void
qlcnic_check_options(struct qlcnic_adapter *adapter)
{
int err;
u32 fw_major, fw_minor, fw_build, prev_fw_version;
struct pci_dev *pdev = adapter->pdev;
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
prev_fw_version = adapter->fw_version;
fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
err = qlcnic_get_board_info(adapter);
if (err) {
dev_err(&pdev->dev, "Error getting board config info.\n");
return;
}
if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
if (fw_dump->tmpl_hdr == NULL ||
adapter->fw_version > prev_fw_version) {
vfree(fw_dump->tmpl_hdr);
if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
dev_info(&pdev->dev,
"Supports FW dump capability\n");
}
}
dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n",
QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
if (adapter->ahw->port_type == QLCNIC_XGBE) {
if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
} else {
adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
}
adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
} else if (adapter->ahw->port_type == QLCNIC_GBE) {
adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
}
adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
adapter->num_txd = MAX_CMD_DESCRIPTORS;
adapter->max_rds_rings = MAX_RDS_RINGS;
}
static int
qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
{
struct qlcnic_info nic_info;
int err = 0;
memset(&nic_info, 0, sizeof(struct qlcnic_info));
err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
if (err)
return err;
adapter->ahw->physical_port = (u8)nic_info.phys_port;
adapter->ahw->switch_mode = nic_info.switch_mode;
adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
adapter->ahw->capabilities = nic_info.capabilities;
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
u32 temp;
temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err);
if (err == -EIO)
return err;
adapter->ahw->extra_capability[0] = temp;
} else {
adapter->ahw->extra_capability[0] = 0;
}
adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
adapter->ahw->max_mtu = nic_info.max_mtu;
if (adapter->ahw->capabilities & BIT_6) {
adapter->flags |= QLCNIC_ESWITCH_ENABLED;
adapter->ahw->nic_mode = QLCNIC_VNIC_MODE;
adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS;
adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS;
dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n");
} else {
adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
}
return err;
}
void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
struct qlcnic_esw_func_cfg *esw_cfg)
{
if (esw_cfg->discard_tagged)
adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
else
adapter->flags |= QLCNIC_TAGGING_ENABLED;
if (esw_cfg->vlan_id) {
adapter->rx_pvid = esw_cfg->vlan_id;
adapter->tx_pvid = esw_cfg->vlan_id;
} else {
adapter->rx_pvid = 0;
adapter->tx_pvid = 0;
}
}
static int
qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err;
if (qlcnic_sriov_vf_check(adapter)) {
err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
if (err) {
netdev_err(netdev,
"Cannot add VLAN filter for VLAN id %d, err=%d",
vid, err);
return err;
}
}
set_bit(vid, adapter->vlans);
return 0;
}
static int
qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err;
if (qlcnic_sriov_vf_check(adapter)) {
err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
if (err) {
netdev_err(netdev,
"Cannot delete VLAN filter for VLAN id %d, err=%d",
vid, err);
return err;
}
}
qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
clear_bit(vid, adapter->vlans);
return 0;
}
void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
struct qlcnic_esw_func_cfg *esw_cfg)
{
adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
QLCNIC_PROMISC_DISABLED);
if (esw_cfg->mac_anti_spoof)
adapter->flags |= QLCNIC_MACSPOOF;
if (!esw_cfg->mac_override)
adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
if (!esw_cfg->promisc_mode)
adapter->flags |= QLCNIC_PROMISC_DISABLED;
}
int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
{
struct qlcnic_esw_func_cfg esw_cfg;
if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
return 0;
esw_cfg.pci_func = adapter->ahw->pci_func;
if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
return -EIO;
qlcnic_set_vlan_config(adapter, &esw_cfg);
qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
qlcnic_set_netdev_features(adapter, &esw_cfg);
return 0;
}
void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
struct qlcnic_esw_func_cfg *esw_cfg)
{
struct net_device *netdev = adapter->netdev;
if (qlcnic_83xx_check(adapter))
return;
adapter->offload_flags = esw_cfg->offload_flags;
adapter->flags |= QLCNIC_APP_CHANGED_FLAGS;
netdev_update_features(netdev);
adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS;
}
static int
qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
{
u32 op_mode, priv_level;
int err = 0;
err = qlcnic_initialize_nic(adapter);
if (err)
return err;
if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
return 0;
op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE);
priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
if (op_mode == QLC_DEV_DRV_DEFAULT)
priv_level = QLCNIC_MGMT_FUNC;
else
priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
if (priv_level == QLCNIC_MGMT_FUNC) {
adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
err = qlcnic_init_pci_info(adapter);
if (err)
return err;
/* Set privilege level for other functions */
qlcnic_set_function_modes(adapter);
dev_info(&adapter->pdev->dev,
"HAL Version: %d, Management function\n",
adapter->ahw->fw_hal_version);
} else if (priv_level == QLCNIC_PRIV_FUNC) {
adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
dev_info(&adapter->pdev->dev,
"HAL Version: %d, Privileged function\n",
adapter->ahw->fw_hal_version);
}
} else {
adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
}
adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
return err;
}
int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
{
struct qlcnic_esw_func_cfg esw_cfg;
struct qlcnic_npar_info *npar;
u8 i;
if (adapter->need_fw_reset)
return 0;
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
if (!adapter->npars[i].eswitch_status)
continue;
memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
esw_cfg.pci_func = adapter->npars[i].pci_func;
esw_cfg.mac_override = BIT_0;
esw_cfg.promisc_mode = BIT_0;
if (qlcnic_82xx_check(adapter)) {
esw_cfg.offload_flags = BIT_0;
if (QLCNIC_IS_TSO_CAPABLE(adapter))
esw_cfg.offload_flags |= (BIT_1 | BIT_2);
}
if (qlcnic_config_switch_port(adapter, &esw_cfg))
return -EIO;
npar = &adapter->npars[i];
npar->pvid = esw_cfg.vlan_id;
npar->mac_override = esw_cfg.mac_override;
npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
npar->discard_tagged = esw_cfg.discard_tagged;
npar->promisc_mode = esw_cfg.promisc_mode;
npar->offload_flags = esw_cfg.offload_flags;
}
return 0;
}
static int
qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
struct qlcnic_npar_info *npar, int pci_func)
{
struct qlcnic_esw_func_cfg esw_cfg;
esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
esw_cfg.pci_func = pci_func;
esw_cfg.vlan_id = npar->pvid;
esw_cfg.mac_override = npar->mac_override;
esw_cfg.discard_tagged = npar->discard_tagged;
esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
esw_cfg.offload_flags = npar->offload_flags;
esw_cfg.promisc_mode = npar->promisc_mode;
if (qlcnic_config_switch_port(adapter, &esw_cfg))
return -EIO;
esw_cfg.op_mode = QLCNIC_ADD_VLAN;
if (qlcnic_config_switch_port(adapter, &esw_cfg))
return -EIO;
return 0;
}
int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
{
int i, err;
struct qlcnic_npar_info *npar;
struct qlcnic_info nic_info;
u8 pci_func;
if (qlcnic_82xx_check(adapter))
if (!adapter->need_fw_reset)
return 0;
/* Set the NPAR config data after FW reset */
for (i = 0; i < adapter->ahw->total_nic_func; i++) {
npar = &adapter->npars[i];
pci_func = npar->pci_func;
if (!adapter->npars[i].eswitch_status)
continue;
memset(&nic_info, 0, sizeof(struct qlcnic_info));
err = qlcnic_get_nic_info(adapter, &nic_info, pci_func);
if (err)
return err;
nic_info.min_tx_bw = npar->min_bw;
nic_info.max_tx_bw = npar->max_bw;
err = qlcnic_set_nic_info(adapter, &nic_info);
if (err)
return err;
if (npar->enable_pm) {
err = qlcnic_config_port_mirroring(adapter,
npar->dest_npar, 1,
pci_func);
if (err)
return err;
}
err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
if (err)
return err;
}
return 0;
}
static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
{
u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
u32 npar_state;
if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
return 0;
npar_state = QLC_SHARED_REG_RD32(adapter,
QLCNIC_CRB_DEV_NPAR_STATE);
while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
msleep(1000);
npar_state = QLC_SHARED_REG_RD32(adapter,
QLCNIC_CRB_DEV_NPAR_STATE);
}
if (!npar_opt_timeo) {
dev_err(&adapter->pdev->dev,
"Waiting for NPAR state to operational timeout\n");
return -EIO;
}
return 0;
}
static int
qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
{
int err;
if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
return 0;
err = qlcnic_set_default_offload_settings(adapter);
if (err)
return err;
err = qlcnic_reset_npar_config(adapter);
if (err)
return err;
qlcnic_dev_set_npar_ready(adapter);
return err;
}
static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter)
{
int err;
err = qlcnic_can_start_firmware(adapter);
if (err < 0)
return err;
else if (!err)
goto check_fw_status;
if (qlcnic_load_fw_file)
qlcnic_request_firmware(adapter);
else {
err = qlcnic_check_flash_fw_ver(adapter);
if (err)
goto err_out;
adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
}
err = qlcnic_need_fw_reset(adapter);
if (err == 0)
goto check_fw_status;
err = qlcnic_pinit_from_rom(adapter);
if (err)
goto err_out;
err = qlcnic_load_firmware(adapter);
if (err)
goto err_out;
qlcnic_release_firmware(adapter);
QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
check_fw_status:
err = qlcnic_check_fw_status(adapter);
if (err)
goto err_out;
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
qlcnic_idc_debug_info(adapter, 1);
err = qlcnic_check_eswitch_mode(adapter);
if (err) {
dev_err(&adapter->pdev->dev,
"Memory allocation failed for eswitch\n");
goto err_out;
}
err = qlcnic_set_mgmt_operations(adapter);
if (err)
goto err_out;
qlcnic_check_options(adapter);
adapter->need_fw_reset = 0;
qlcnic_release_firmware(adapter);
return 0;
err_out:
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
dev_err(&adapter->pdev->dev, "Device state set to failed\n");
qlcnic_release_firmware(adapter);
return err;
}
static int
qlcnic_request_irq(struct qlcnic_adapter *adapter)
{
irq_handler_t handler;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
int err, ring, num_sds_rings;
unsigned long flags = 0;
struct net_device *netdev = adapter->netdev;
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
if (qlcnic_82xx_check(adapter))
handler = qlcnic_tmp_intr;
else
handler = qlcnic_83xx_tmp_intr;
if (!QLCNIC_IS_MSI_FAMILY(adapter))
flags |= IRQF_SHARED;
} else {
if (adapter->flags & QLCNIC_MSIX_ENABLED)
handler = qlcnic_msix_intr;
else if (adapter->flags & QLCNIC_MSI_ENABLED)
handler = qlcnic_msi_intr;
else {
flags |= IRQF_SHARED;
if (qlcnic_82xx_check(adapter))
handler = qlcnic_intr;
else
handler = qlcnic_83xx_intr;
}
}
adapter->irq = netdev->irq;
if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
if (qlcnic_82xx_check(adapter) ||
(qlcnic_83xx_check(adapter) &&
(adapter->flags & QLCNIC_MSIX_ENABLED))) {
num_sds_rings = adapter->drv_sds_rings;
for (ring = 0; ring < num_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
if (qlcnic_82xx_check(adapter) &&
!qlcnic_check_multi_tx(adapter) &&
(ring == (num_sds_rings - 1))) {
if (!(adapter->flags &
QLCNIC_MSIX_ENABLED))
snprintf(sds_ring->name,
sizeof(sds_ring->name),
"qlcnic");
else
snprintf(sds_ring->name,
sizeof(sds_ring->name),
"%s-tx-0-rx-%d",
netdev->name, ring);
} else {
snprintf(sds_ring->name,
sizeof(sds_ring->name),
"%s-rx-%d",
netdev->name, ring);
}
err = request_irq(sds_ring->irq, handler, flags,
sds_ring->name, sds_ring);
if (err)
return err;
}
}
if ((qlcnic_82xx_check(adapter) &&
qlcnic_check_multi_tx(adapter)) ||
(qlcnic_83xx_check(adapter) &&
(adapter->flags & QLCNIC_MSIX_ENABLED) &&
!(adapter->flags & QLCNIC_TX_INTR_SHARED))) {
handler = qlcnic_msix_tx_intr;
for (ring = 0; ring < adapter->drv_tx_rings;
ring++) {
tx_ring = &adapter->tx_ring[ring];
snprintf(tx_ring->name, sizeof(tx_ring->name),
"%s-tx-%d", netdev->name, ring);
err = request_irq(tx_ring->irq, handler, flags,
tx_ring->name, tx_ring);
if (err)
return err;
}
}
}
return 0;
}
static void
qlcnic_free_irq(struct qlcnic_adapter *adapter)
{
int ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
if (qlcnic_82xx_check(adapter) ||
(qlcnic_83xx_check(adapter) &&
(adapter->flags & QLCNIC_MSIX_ENABLED))) {
for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
free_irq(sds_ring->irq, sds_ring);
}
}
if ((qlcnic_83xx_check(adapter) &&
!(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
(qlcnic_82xx_check(adapter) &&
qlcnic_check_multi_tx(adapter))) {
for (ring = 0; ring < adapter->drv_tx_rings;
ring++) {
tx_ring = &adapter->tx_ring[ring];
if (tx_ring->irq)
free_irq(tx_ring->irq, tx_ring);
}
}
}
}
static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter)
{
u32 capab = 0;
if (qlcnic_82xx_check(adapter)) {
if (adapter->ahw->extra_capability[0] &
QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
} else {
capab = adapter->ahw->capabilities;
if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab))
adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
}
}
static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
int err;
/* Initialize interrupt coalesce parameters */
ahw->coal.flag = QLCNIC_INTR_DEFAULT;
if (qlcnic_83xx_check(adapter)) {
ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
} else {
ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
err = qlcnic_82xx_set_rx_coalesce(adapter);
}
return err;
}
int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
{
int ring;
struct qlcnic_host_rds_ring *rds_ring;
if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
return -EIO;
if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
return 0;
if (qlcnic_set_eswitch_port_config(adapter))
return -EIO;
qlcnic_get_lro_mss_capability(adapter);
if (qlcnic_fw_create_ctx(adapter))
return -EIO;
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &adapter->recv_ctx->rds_rings[ring];
qlcnic_post_rx_buffers(adapter, rds_ring, ring);
}
qlcnic_set_multi(netdev);
qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
adapter->ahw->linkup = 0;
if (adapter->drv_sds_rings > 1)
qlcnic_config_rss(adapter, 1);
qlcnic_config_def_intr_coalesce(adapter);
if (netdev->features & NETIF_F_LRO)
qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
set_bit(__QLCNIC_DEV_UP, &adapter->state);
qlcnic_napi_enable(adapter);
qlcnic_linkevent_request(adapter, 1);
adapter->ahw->reset_context = 0;
netif_tx_start_all_queues(netdev);
return 0;
}
int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
{
int err = 0;
rtnl_lock();
if (netif_running(netdev))
err = __qlcnic_up(adapter, netdev);
rtnl_unlock();
return err;
}
void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
{
int ring;
if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
return;
if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
return;
smp_mb();
netif_carrier_off(netdev);
adapter->ahw->linkup = 0;
netif_tx_disable(netdev);
qlcnic_free_mac_list(adapter);
if (adapter->fhash.fnum)
qlcnic_delete_lb_filters(adapter);
qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
if (qlcnic_sriov_vf_check(adapter))
qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc);
qlcnic_napi_disable(adapter);
qlcnic_fw_destroy_ctx(adapter);
adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
qlcnic_reset_rx_buffers_list(adapter);
for (ring = 0; ring < adapter->drv_tx_rings; ring++)
qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]);
}
/* Usage: During suspend and firmware recovery module */
void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
{
rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
rtnl_unlock();
}
int
qlcnic_attach(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
int err;
if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
return 0;
err = qlcnic_napi_add(adapter, netdev);
if (err)
return err;
err = qlcnic_alloc_sw_resources(adapter);
if (err) {
dev_err(&pdev->dev, "Error in setting sw resources\n");
goto err_out_napi_del;
}
err = qlcnic_alloc_hw_resources(adapter);
if (err) {
dev_err(&pdev->dev, "Error in setting hw resources\n");
goto err_out_free_sw;
}
err = qlcnic_request_irq(adapter);
if (err) {
dev_err(&pdev->dev, "failed to setup interrupt\n");
goto err_out_free_hw;
}
qlcnic_create_sysfs_entries(adapter);
#ifdef CONFIG_QLCNIC_VXLAN
if (qlcnic_encap_rx_offload(adapter))
vxlan_get_rx_port(netdev);
#endif
adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
return 0;
err_out_free_hw:
qlcnic_free_hw_resources(adapter);
err_out_free_sw:
qlcnic_free_sw_resources(adapter);
err_out_napi_del:
qlcnic_napi_del(adapter);
return err;
}
void qlcnic_detach(struct qlcnic_adapter *adapter)
{
if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
return;
qlcnic_remove_sysfs_entries(adapter);
qlcnic_free_hw_resources(adapter);
qlcnic_release_rx_buffers(adapter);
qlcnic_free_irq(adapter);
qlcnic_napi_del(adapter);
qlcnic_free_sw_resources(adapter);
adapter->is_up = 0;
}
void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_host_sds_ring *sds_ring;
int drv_tx_rings = adapter->drv_tx_rings;
int ring;
clear_bit(__QLCNIC_DEV_UP, &adapter->state);
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &adapter->recv_ctx->sds_rings[ring];
qlcnic_disable_sds_intr(adapter, sds_ring);
}
}
qlcnic_fw_destroy_ctx(adapter);
qlcnic_detach(adapter);
adapter->ahw->diag_test = 0;
adapter->drv_sds_rings = drv_sds_rings;
adapter->drv_tx_rings = drv_tx_rings;
if (qlcnic_attach(adapter))
goto out;
if (netif_running(netdev))
__qlcnic_up(adapter, netdev);
out:
netif_device_attach(netdev);
}
static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
int err = 0;
adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
GFP_KERNEL);
if (!adapter->recv_ctx) {
err = -ENOMEM;
goto err_out;
}
if (qlcnic_83xx_check(adapter)) {
ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX;
ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US;
ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS;
ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
} else {
ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX;
ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US;
ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS;
}
/* clear stats */
memset(&adapter->stats, 0, sizeof(adapter->stats));
err_out:
return err;
}
static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
{
struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
kfree(adapter->recv_ctx);
adapter->recv_ctx = NULL;
if (fw_dump->tmpl_hdr) {
vfree(fw_dump->tmpl_hdr);
fw_dump->tmpl_hdr = NULL;
}
if (fw_dump->dma_buffer) {
dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
fw_dump->dma_buffer, fw_dump->phys_addr);
fw_dump->dma_buffer = NULL;
}
kfree(adapter->ahw->reset.buff);
adapter->ahw->fw_dump.tmpl_hdr = NULL;
}
int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_rds_ring *rds_ring;
int ring;
int ret;
netif_device_detach(netdev);
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
qlcnic_detach(adapter);
adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
adapter->ahw->diag_test = test;
adapter->ahw->linkup = 0;
ret = qlcnic_attach(adapter);
if (ret) {
netif_device_attach(netdev);
return ret;
}
ret = qlcnic_fw_create_ctx(adapter);
if (ret) {
qlcnic_detach(adapter);
netif_device_attach(netdev);
return ret;
}
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &adapter->recv_ctx->rds_rings[ring];
qlcnic_post_rx_buffers(adapter, rds_ring, ring);
}
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &adapter->recv_ctx->sds_rings[ring];
qlcnic_enable_sds_intr(adapter, sds_ring);
}
}
if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
adapter->ahw->loopback_state = 0;
qlcnic_linkevent_request(adapter, 1);
}
set_bit(__QLCNIC_DEV_UP, &adapter->state);
return 0;
}
/* Reset context in hardware only */
static int
qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
return -EBUSY;
netif_device_detach(netdev);
qlcnic_down(adapter, netdev);
qlcnic_up(adapter, netdev);
netif_device_attach(netdev);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__);
return 0;
}
int
qlcnic_reset_context(struct qlcnic_adapter *adapter)
{
int err = 0;
struct net_device *netdev = adapter->netdev;
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
return -EBUSY;
if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
netif_device_detach(netdev);
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
qlcnic_detach(adapter);
if (netif_running(netdev)) {
err = qlcnic_attach(adapter);
if (!err) {
__qlcnic_up(adapter, netdev);
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
}
}
netif_device_attach(netdev);
}
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return err;
}
static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
u16 act_pci_fn = ahw->total_nic_func;
u16 count;
ahw->max_mc_count = QLCNIC_MAX_MC_COUNT;
if (act_pci_fn <= 2)
count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) /
act_pci_fn;
else
count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) /
act_pci_fn;
ahw->max_uc_count = count;
}
static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
u8 tx_queues, u8 rx_queues)
{
struct net_device *netdev = adapter->netdev;
int err = 0;
if (tx_queues) {
err = netif_set_real_num_tx_queues(netdev, tx_queues);
if (err) {
netdev_err(netdev, "failed to set %d Tx queues\n",
tx_queues);
return err;
}
}
if (rx_queues) {
err = netif_set_real_num_rx_queues(netdev, rx_queues);
if (err)
netdev_err(netdev, "failed to set %d Rx queues\n",
rx_queues);
}
return err;
}
int
qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
int pci_using_dac)
{
int err;
struct pci_dev *pdev = adapter->pdev;
adapter->rx_csum = 1;
adapter->ahw->mc_enabled = 0;
qlcnic_set_mac_filter_count(adapter);
netdev->netdev_ops = &qlcnic_netdev_ops;
netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ;
qlcnic_change_mtu(netdev, netdev->mtu);
netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ?
&qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops;
netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
NETIF_F_IPV6_CSUM | NETIF_F_GRO |
NETIF_F_HW_VLAN_CTAG_RX);
netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM);
if (QLCNIC_IS_TSO_CAPABLE(adapter)) {
netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
}
if (pci_using_dac) {
netdev->features |= NETIF_F_HIGHDMA;
netdev->vlan_features |= NETIF_F_HIGHDMA;
}
if (qlcnic_vlan_tx_check(adapter))
netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);
if (qlcnic_sriov_vf_check(adapter))
netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
netdev->features |= NETIF_F_LRO;
if (qlcnic_encap_tx_offload(adapter)) {
netdev->features |= NETIF_F_GSO_UDP_TUNNEL;
/* encapsulation Tx offload supported by Adapter */
netdev->hw_enc_features = NETIF_F_IP_CSUM |
NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_TSO |
NETIF_F_TSO6;
}
if (qlcnic_encap_rx_offload(adapter))
netdev->hw_enc_features |= NETIF_F_RXCSUM;
netdev->hw_features = netdev->features;
netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->irq = adapter->msix_entries[0].vector;
err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
adapter->drv_sds_rings);
if (err)
return err;
qlcnic_dcb_init_dcbnl_ops(adapter->dcb);
err = register_netdev(netdev);
if (err) {
dev_err(&pdev->dev, "failed to register net device\n");
return err;
}
return 0;
}
static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
{
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
*pci_using_dac = 1;
else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
*pci_using_dac = 0;
else {
dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
return -EIO;
}
return 0;
}
void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
{
int ring;
struct qlcnic_host_tx_ring *tx_ring;
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
if (tx_ring) {
vfree(tx_ring->cmd_buf_arr);
tx_ring->cmd_buf_arr = NULL;
}
}
kfree(adapter->tx_ring);
}
int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
struct net_device *netdev)
{
int ring, vector, index;
struct qlcnic_host_tx_ring *tx_ring;
struct qlcnic_cmd_buffer *cmd_buf_arr;
tx_ring = kcalloc(adapter->drv_tx_rings,
sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL);
if (tx_ring == NULL)
return -ENOMEM;
adapter->tx_ring = tx_ring;
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
tx_ring->num_desc = adapter->num_txd;
tx_ring->txq = netdev_get_tx_queue(netdev, ring);
cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
if (cmd_buf_arr == NULL) {
qlcnic_free_tx_rings(adapter);
return -ENOMEM;
}
memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
tx_ring->cmd_buf_arr = cmd_buf_arr;
spin_lock_init(&tx_ring->tx_clean_lock);
}
if (qlcnic_83xx_check(adapter) ||
(qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) {
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
tx_ring->adapter = adapter;
if (adapter->flags & QLCNIC_MSIX_ENABLED) {
index = adapter->drv_sds_rings + ring;
vector = adapter->msix_entries[index].vector;
tx_ring->irq = vector;
}
}
}
return 0;
}
void qlcnic_set_drv_version(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
u32 fw_cmd = 0;
if (qlcnic_82xx_check(adapter))
fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER;
else if (qlcnic_83xx_check(adapter))
fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER;
if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER)
qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd);
}
/* Reset firmware API lock */
static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter)
{
qlcnic_api_lock(adapter);
qlcnic_api_unlock(adapter);
}
static int
qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *netdev = NULL;
struct qlcnic_adapter *adapter = NULL;
struct qlcnic_hardware_context *ahw;
int err, pci_using_dac = -1;
char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */
err = pci_enable_device(pdev);
if (err)
return err;
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
err = -ENODEV;
goto err_out_disable_pdev;
}
err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
if (err)
goto err_out_disable_pdev;
err = pci_request_regions(pdev, qlcnic_driver_name);
if (err)
goto err_out_disable_pdev;
pci_set_master(pdev);
pci_enable_pcie_error_reporting(pdev);
ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL);
if (!ahw) {
err = -ENOMEM;
goto err_out_free_res;
}
switch (ent->device) {
case PCI_DEVICE_ID_QLOGIC_QLE824X:
ahw->hw_ops = &qlcnic_hw_ops;
ahw->reg_tbl = (u32 *) qlcnic_reg_tbl;
break;
case PCI_DEVICE_ID_QLOGIC_QLE834X:
case PCI_DEVICE_ID_QLOGIC_QLE8830:
case PCI_DEVICE_ID_QLOGIC_QLE844X:
qlcnic_83xx_register_map(ahw);
break;
case PCI_DEVICE_ID_QLOGIC_VF_QLE834X:
case PCI_DEVICE_ID_QLOGIC_VF_QLE844X:
qlcnic_sriov_vf_register_map(ahw);
break;
default:
goto err_out_free_hw_res;
}
err = qlcnic_setup_pci_map(pdev, ahw);
if (err)
goto err_out_free_hw_res;
netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter),
QLCNIC_MAX_TX_RINGS);
if (!netdev) {
err = -ENOMEM;
goto err_out_iounmap;
}
SET_NETDEV_DEV(netdev, &pdev->dev);
adapter = netdev_priv(netdev);
adapter->netdev = netdev;
adapter->pdev = pdev;
adapter->ahw = ahw;
adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic");
if (adapter->qlcnic_wq == NULL) {
err = -ENOMEM;
dev_err(&pdev->dev, "Failed to create workqueue\n");
goto err_out_free_netdev;
}
err = qlcnic_alloc_adapter_resources(adapter);
if (err)
goto err_out_free_wq;
adapter->dev_rst_time = jiffies;
ahw->revision_id = pdev->revision;
ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter);
if (qlcnic_mac_learn == FDB_MAC_LEARN)
adapter->fdb_mac_learn = true;
else if (qlcnic_mac_learn == DRV_MAC_LEARN)
adapter->drv_mac_learn = true;
rwlock_init(&adapter->ahw->crb_lock);
mutex_init(&adapter->ahw->mem_lock);
INIT_LIST_HEAD(&adapter->mac_list);
qlcnic_register_dcb(adapter);
if (qlcnic_82xx_check(adapter)) {
qlcnic_check_vf(adapter, ent);
adapter->portnum = adapter->ahw->pci_func;
qlcnic_reset_api_lock(adapter);
err = qlcnic_start_firmware(adapter);
if (err) {
dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
"\t\tIf reboot doesn't help, try flashing the card\n");
goto err_out_maintenance_mode;
}
/* compute and set default and max tx/sds rings */
if (adapter->ahw->msix_supported) {
if (qlcnic_check_multi_tx_capability(adapter) == 1)
qlcnic_set_tx_ring_count(adapter,
QLCNIC_SINGLE_RING);
else
qlcnic_set_tx_ring_count(adapter,
QLCNIC_DEF_TX_RINGS);
qlcnic_set_sds_ring_count(adapter,
QLCNIC_DEF_SDS_RINGS);
} else {
qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING);
qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING);
}
err = qlcnic_setup_idc_param(adapter);
if (err)
goto err_out_free_hw;
adapter->flags |= QLCNIC_NEED_FLR;
} else if (qlcnic_83xx_check(adapter)) {
qlcnic_83xx_check_vf(adapter, ent);
adapter->portnum = adapter->ahw->pci_func;
err = qlcnic_83xx_init(adapter, pci_using_dac);
if (err) {
switch (err) {
case -ENOTRECOVERABLE:
dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n");
dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n");
goto err_out_free_hw;
case -ENOMEM:
dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
goto err_out_free_hw;
case -EOPNOTSUPP:
dev_err(&pdev->dev, "Adapter initialization failed\n");
goto err_out_free_hw;
default:
dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
goto err_out_maintenance_mode;
}
}
if (qlcnic_sriov_vf_check(adapter))
return 0;
} else {
dev_err(&pdev->dev,
"%s: failed. Please Reboot\n", __func__);
err = -ENODEV;
goto err_out_free_hw;
}
if (qlcnic_read_mac_addr(adapter))
dev_warn(&pdev->dev, "failed to read mac addr\n");
qlcnic_read_phys_port_id(adapter);
if (adapter->portnum == 0) {
qlcnic_get_board_name(adapter, board_name);
pr_info("%s: %s Board Chip rev 0x%x\n",
module_name(THIS_MODULE),
board_name, adapter->ahw->revision_id);
}
if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x &&
!!qlcnic_use_msi)
dev_warn(&pdev->dev,
"Device does not support MSI interrupts\n");
if (qlcnic_82xx_check(adapter)) {
qlcnic_dcb_enable(adapter->dcb);
qlcnic_dcb_get_info(adapter->dcb);
err = qlcnic_setup_intr(adapter);
if (err) {
dev_err(&pdev->dev, "Failed to setup interrupt\n");
goto err_out_disable_msi;
}
}
err = qlcnic_get_act_pci_func(adapter);
if (err)
goto err_out_disable_mbx_intr;
if (adapter->portnum == 0)
qlcnic_set_drv_version(adapter);
err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
if (err)
goto err_out_disable_mbx_intr;
pci_set_drvdata(pdev, adapter);
if (qlcnic_82xx_check(adapter))
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
FW_POLL_DELAY);
switch (adapter->ahw->port_type) {
case QLCNIC_GBE:
dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
adapter->netdev->name);
break;
case QLCNIC_XGBE:
dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
adapter->netdev->name);
break;
}
if (adapter->drv_mac_learn)
qlcnic_alloc_lb_filters_mem(adapter);
qlcnic_add_sysfs(adapter);
qlcnic_register_hwmon_dev(adapter);
return 0;
err_out_disable_mbx_intr:
if (qlcnic_83xx_check(adapter))
qlcnic_83xx_free_mbx_intr(adapter);
err_out_disable_msi:
qlcnic_teardown_intr(adapter);
qlcnic_cancel_idc_work(adapter);
qlcnic_clr_all_drv_state(adapter, 0);
err_out_free_hw:
qlcnic_free_adapter_resources(adapter);
err_out_free_wq:
destroy_workqueue(adapter->qlcnic_wq);
err_out_free_netdev:
free_netdev(netdev);
err_out_iounmap:
qlcnic_cleanup_pci_map(ahw);
err_out_free_hw_res:
kfree(ahw);
err_out_free_res:
pci_release_regions(pdev);
err_out_disable_pdev:
pci_disable_device(pdev);
return err;
err_out_maintenance_mode:
set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state);
netdev->netdev_ops = &qlcnic_netdev_failed_ops;
netdev->ethtool_ops = &qlcnic_ethtool_failed_ops;
ahw->port_type = QLCNIC_XGBE;
if (qlcnic_83xx_check(adapter))
adapter->tgt_status_reg = NULL;
else
ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS;
err = register_netdev(netdev);
if (err) {
dev_err(&pdev->dev, "Failed to register net device\n");
qlcnic_clr_all_drv_state(adapter, 0);
goto err_out_free_hw;
}
pci_set_drvdata(pdev, adapter);
qlcnic_add_sysfs(adapter);
return 0;
}
static void qlcnic_remove(struct pci_dev *pdev)
{
struct qlcnic_adapter *adapter;
struct net_device *netdev;
struct qlcnic_hardware_context *ahw;
adapter = pci_get_drvdata(pdev);
if (adapter == NULL)
return;
netdev = adapter->netdev;
qlcnic_cancel_idc_work(adapter);
qlcnic_sriov_pf_disable(adapter);
ahw = adapter->ahw;
unregister_netdev(netdev);
qlcnic_sriov_cleanup(adapter);
if (qlcnic_83xx_check(adapter)) {
qlcnic_83xx_initialize_nic(adapter, 0);
cancel_delayed_work_sync(&adapter->idc_aen_work);
qlcnic_83xx_free_mbx_intr(adapter);
qlcnic_83xx_detach_mailbox_work(adapter);
qlcnic_83xx_free_mailbox(ahw->mailbox);
kfree(ahw->fw_info);
}
qlcnic_dcb_free(adapter->dcb);
qlcnic_detach(adapter);
kfree(adapter->npars);
kfree(adapter->eswitch);
if (qlcnic_82xx_check(adapter))
qlcnic_clr_all_drv_state(adapter, 0);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
qlcnic_free_lb_filters_mem(adapter);
qlcnic_teardown_intr(adapter);
qlcnic_remove_sysfs(adapter);
qlcnic_unregister_hwmon_dev(adapter);
qlcnic_cleanup_pci_map(adapter->ahw);
qlcnic_release_firmware(adapter);
pci_disable_pcie_error_reporting(pdev);
pci_release_regions(pdev);
pci_disable_device(pdev);
if (adapter->qlcnic_wq) {
destroy_workqueue(adapter->qlcnic_wq);
adapter->qlcnic_wq = NULL;
}
qlcnic_free_adapter_resources(adapter);
kfree(ahw);
free_netdev(netdev);
}
static void qlcnic_shutdown(struct pci_dev *pdev)
{
if (__qlcnic_shutdown(pdev))
return;
pci_disable_device(pdev);
}
#ifdef CONFIG_PM
static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
{
int retval;
retval = __qlcnic_shutdown(pdev);
if (retval)
return retval;
pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
static int qlcnic_resume(struct pci_dev *pdev)
{
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
int err;
err = pci_enable_device(pdev);
if (err)
return err;
pci_set_power_state(pdev, PCI_D0);
pci_set_master(pdev);
pci_restore_state(pdev);
return __qlcnic_resume(adapter);
}
#endif
static int qlcnic_open(struct net_device *netdev)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err;
if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
netdev_err(netdev, "%s: Device is in non-operational state\n",
__func__);
return -EIO;
}
netif_carrier_off(netdev);
err = qlcnic_attach(adapter);
if (err)
return err;
err = __qlcnic_up(adapter, netdev);
if (err)
qlcnic_detach(adapter);
return err;
}
/*
* qlcnic_close - Disables a network interface entry point
*/
static int qlcnic_close(struct net_device *netdev)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
__qlcnic_down(adapter, netdev);
return 0;
}
#define QLCNIC_VF_LB_BUCKET_SIZE 1
void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
{
void *head;
int i;
struct net_device *netdev = adapter->netdev;
u32 filter_size = 0;
u16 act_pci_func = 0;
if (adapter->fhash.fmax && adapter->fhash.fhead)
return;
act_pci_func = adapter->ahw->total_nic_func;
spin_lock_init(&adapter->mac_learn_lock);
spin_lock_init(&adapter->rx_mac_learn_lock);
if (qlcnic_sriov_vf_check(adapter)) {
filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1;
adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE;
} else if (qlcnic_82xx_check(adapter)) {
filter_size = QLCNIC_LB_MAX_FILTERS;
adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE;
} else {
filter_size = QLC_83XX_LB_MAX_FILTERS;
adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE;
}
head = kcalloc(adapter->fhash.fbucket_size,
sizeof(struct hlist_head), GFP_ATOMIC);
if (!head)
return;
adapter->fhash.fmax = (filter_size / act_pci_func);
adapter->fhash.fhead = head;
netdev_info(netdev, "active nic func = %d, mac filter size=%d\n",
act_pci_func, adapter->fhash.fmax);
for (i = 0; i < adapter->fhash.fbucket_size; i++)
INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size;
head = kcalloc(adapter->rx_fhash.fbucket_size,
sizeof(struct hlist_head), GFP_ATOMIC);
if (!head)
return;
adapter->rx_fhash.fmax = (filter_size / act_pci_func);
adapter->rx_fhash.fhead = head;
for (i = 0; i < adapter->rx_fhash.fbucket_size; i++)
INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]);
}
static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
{
if (adapter->fhash.fmax)
kfree(adapter->fhash.fhead);
adapter->fhash.fhead = NULL;
adapter->fhash.fmax = 0;
if (adapter->rx_fhash.fmax)
kfree(adapter->rx_fhash.fhead);
adapter->rx_fhash.fmax = 0;
adapter->rx_fhash.fhead = NULL;
}
int qlcnic_check_temp(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
u32 temp_state, temp_val, temp = 0;
int rv = 0;
if (qlcnic_83xx_check(adapter))
temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP);
if (qlcnic_82xx_check(adapter))
temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP);
temp_state = qlcnic_get_temp_state(temp);
temp_val = qlcnic_get_temp_val(temp);
if (temp_state == QLCNIC_TEMP_PANIC) {
dev_err(&netdev->dev,
"Device temperature %d degrees C exceeds"
" maximum allowed. Hardware has been shut down.\n",
temp_val);
rv = 1;
} else if (temp_state == QLCNIC_TEMP_WARN) {
if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
dev_err(&netdev->dev,
"Device temperature %d degrees C "
"exceeds operating range."
" Immediate action needed.\n",
temp_val);
}
} else {
if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
dev_info(&netdev->dev,
"Device temperature is now %d degrees C"
" in normal range.\n", temp_val);
}
}
adapter->ahw->temp = temp_state;
return rv;
}
static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring)
{
int i;
struct cmd_desc_type0 *tx_desc_info;
for (i = 0; i < tx_ring->num_desc; i++) {
tx_desc_info = &tx_ring->desc_head[i];
pr_info("TX Desc: %d\n", i);
print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
&tx_ring->desc_head[i],
sizeof(struct cmd_desc_type0), true);
}
}
static void qlcnic_dump_rings(struct qlcnic_adapter *adapter)
{
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
struct net_device *netdev = adapter->netdev;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
int ring;
if (!netdev || !netif_running(netdev))
return;
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
if (!rds_ring)
continue;
netdev_info(netdev,
"rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n",
ring, readl(rds_ring->crb_rcv_producer),
rds_ring->producer, rds_ring->num_desc);
}
for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &(recv_ctx->sds_rings[ring]);
if (!sds_ring)
continue;
netdev_info(netdev,
"sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n",
ring, readl(sds_ring->crb_sts_consumer),
sds_ring->consumer, readl(sds_ring->crb_intr_mask),
sds_ring->num_desc);
}
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
if (!tx_ring)
continue;
netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n",
ring, tx_ring->ctx_id);
netdev_info(netdev,
"xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n",
tx_ring->tx_stats.xmit_finished,
tx_ring->tx_stats.xmit_called,
tx_ring->tx_stats.xmit_on,
tx_ring->tx_stats.xmit_off);
if (tx_ring->crb_intr_mask)
netdev_info(netdev, "crb_intr_mask=%d\n",
readl(tx_ring->crb_intr_mask));
netdev_info(netdev,
"hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
readl(tx_ring->crb_cmd_producer),
tx_ring->producer, tx_ring->sw_consumer,
le32_to_cpu(*(tx_ring->hw_consumer)));
netdev_info(netdev, "Total desc=%d, Available desc=%d\n",
tx_ring->num_desc, qlcnic_tx_avail(tx_ring));
if (netif_msg_tx_err(adapter->ahw))
dump_tx_ring_desc(tx_ring);
}
}
static void qlcnic_tx_timeout(struct net_device *netdev)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
return;
qlcnic_dump_rings(adapter);
if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS ||
netif_msg_tx_err(adapter->ahw)) {
netdev_err(netdev, "Tx timeout, reset the adapter.\n");
if (qlcnic_82xx_check(adapter))
adapter->need_fw_reset = 1;
else if (qlcnic_83xx_check(adapter))
qlcnic_83xx_idc_request_reset(adapter,
QLCNIC_FORCE_FW_DUMP_KEY);
} else {
netdev_err(netdev, "Tx timeout, reset adapter context.\n");
adapter->ahw->reset_context = 1;
}
}
static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct net_device_stats *stats = &netdev->stats;
if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
qlcnic_update_stats(adapter);
stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
stats->tx_packets = adapter->stats.xmitfinished;
stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
stats->tx_bytes = adapter->stats.txbytes;
stats->rx_dropped = adapter->stats.rxdropped;
stats->tx_dropped = adapter->stats.txdropped;
return stats;
}
static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
{
u32 status;
status = readl(adapter->isr_int_vec);
if (!(status & adapter->ahw->int_vec_bit))
return IRQ_NONE;
/* check interrupt state machine, to be sure */
status = readl(adapter->crb_int_state_reg);
if (!ISR_LEGACY_INT_TRIGGERED(status))
return IRQ_NONE;
writel(0xffffffff, adapter->tgt_status_reg);
/* read twice to ensure write is flushed */
readl(adapter->isr_int_vec);
readl(adapter->isr_int_vec);
return IRQ_HANDLED;
}
static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
{
struct qlcnic_host_sds_ring *sds_ring = data;
struct qlcnic_adapter *adapter = sds_ring->adapter;
if (adapter->flags & QLCNIC_MSIX_ENABLED)
goto done;
else if (adapter->flags & QLCNIC_MSI_ENABLED) {
writel(0xffffffff, adapter->tgt_status_reg);
goto done;
}
if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
return IRQ_NONE;
done:
adapter->ahw->diag_cnt++;
qlcnic_enable_sds_intr(adapter, sds_ring);
return IRQ_HANDLED;
}
static irqreturn_t qlcnic_intr(int irq, void *data)
{
struct qlcnic_host_sds_ring *sds_ring = data;
struct qlcnic_adapter *adapter = sds_ring->adapter;
if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
return IRQ_NONE;
napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static irqreturn_t qlcnic_msi_intr(int irq, void *data)
{
struct qlcnic_host_sds_ring *sds_ring = data;
struct qlcnic_adapter *adapter = sds_ring->adapter;
/* clear interrupt */
writel(0xffffffff, adapter->tgt_status_reg);
napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static irqreturn_t qlcnic_msix_intr(int irq, void *data)
{
struct qlcnic_host_sds_ring *sds_ring = data;
napi_schedule(&sds_ring->napi);
return IRQ_HANDLED;
}
static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data)
{
struct qlcnic_host_tx_ring *tx_ring = data;
napi_schedule(&tx_ring->napi);
return IRQ_HANDLED;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
static void qlcnic_poll_controller(struct net_device *netdev)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_tx_ring *tx_ring;
int ring;
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
return;
recv_ctx = adapter->recv_ctx;
for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
qlcnic_disable_sds_intr(adapter, sds_ring);
napi_schedule(&sds_ring->napi);
}
if (adapter->flags & QLCNIC_MSIX_ENABLED) {
/* Only Multi-Tx queue capable devices need to
* schedule NAPI for TX rings
*/
if ((qlcnic_83xx_check(adapter) &&
(adapter->flags & QLCNIC_TX_INTR_SHARED)) ||
(qlcnic_82xx_check(adapter) &&
!qlcnic_check_multi_tx(adapter)))
return;
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
qlcnic_disable_tx_intr(adapter, tx_ring);
napi_schedule(&tx_ring->napi);
}
}
}
#endif
static void
qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
{
u32 val;
val = adapter->portnum & 0xf;
val |= encoding << 7;
val |= (jiffies - adapter->dev_rst_time) << 8;
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
adapter->dev_rst_time = jiffies;
}
static int
qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
{
u32 val;
WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
state != QLCNIC_DEV_NEED_QUISCENT);
if (qlcnic_api_lock(adapter))
return -EIO;
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
if (state == QLCNIC_DEV_NEED_RESET)
QLC_DEV_SET_RST_RDY(val, adapter->portnum);
else if (state == QLCNIC_DEV_NEED_QUISCENT)
QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
qlcnic_api_unlock(adapter);
return 0;
}
static int
qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
{
u32 val;
if (qlcnic_api_lock(adapter))
return -EBUSY;
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
qlcnic_api_unlock(adapter);
return 0;
}
void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
{
u32 val;
if (qlcnic_api_lock(adapter))
goto err;
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
if (failed) {
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
QLCNIC_DEV_FAILED);
dev_info(&adapter->pdev->dev,
"Device state set to Failed. Please Reboot\n");
} else if (!(val & 0x11111111))
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
QLCNIC_DEV_COLD);
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
qlcnic_api_unlock(adapter);
err:
adapter->fw_fail_cnt = 0;
adapter->flags &= ~QLCNIC_FW_HANG;
clear_bit(__QLCNIC_START_FW, &adapter->state);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
}
/* Grab api lock, before checking state */
static int
qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
{
int act, state, active_mask;
struct qlcnic_hardware_context *ahw = adapter->ahw;
state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
active_mask = (~(1 << (ahw->pci_func * 4)));
act = act & active_mask;
}
if (((state & 0x11111111) == (act & 0x11111111)) ||
((act & 0x11111111) == ((state >> 1) & 0x11111111)))
return 0;
else
return 1;
}
static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
{
u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
if (val != QLCNIC_DRV_IDC_VER) {
dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
" idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
}
return 0;
}
static int
qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
{
u32 val, prev_state;
u8 dev_init_timeo = adapter->dev_init_timeo;
u8 portnum = adapter->portnum;
u8 ret;
if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
return 1;
if (qlcnic_api_lock(adapter))
return -1;
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
if (!(val & (1 << (portnum * 4)))) {
QLC_DEV_SET_REF_CNT(val, portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
}
prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
QLCDB(adapter, HW, "Device state = %u\n", prev_state);
switch (prev_state) {
case QLCNIC_DEV_COLD:
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
QLCNIC_DEV_INITIALIZING);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER,
QLCNIC_DRV_IDC_VER);
qlcnic_idc_debug_info(adapter, 0);
qlcnic_api_unlock(adapter);
return 1;
case QLCNIC_DEV_READY:
ret = qlcnic_check_idc_ver(adapter);
qlcnic_api_unlock(adapter);
return ret;
case QLCNIC_DEV_NEED_RESET:
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
QLC_DEV_SET_RST_RDY(val, portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
break;
case QLCNIC_DEV_NEED_QUISCENT:
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
QLC_DEV_SET_QSCNT_RDY(val, portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
break;
case QLCNIC_DEV_FAILED:
dev_err(&adapter->pdev->dev, "Device in failed state.\n");
qlcnic_api_unlock(adapter);
return -1;
case QLCNIC_DEV_INITIALIZING:
case QLCNIC_DEV_QUISCENT:
break;
}
qlcnic_api_unlock(adapter);
do {
msleep(1000);
prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
if (prev_state == QLCNIC_DEV_QUISCENT)
continue;
} while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
if (!dev_init_timeo) {
dev_err(&adapter->pdev->dev,
"Waiting for device to initialize timeout\n");
return -1;
}
if (qlcnic_api_lock(adapter))
return -1;
val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE);
QLC_DEV_CLR_RST_QSCNT(val, portnum);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val);
ret = qlcnic_check_idc_ver(adapter);
qlcnic_api_unlock(adapter);
return ret;
}
static void
qlcnic_fwinit_work(struct work_struct *work)
{
struct qlcnic_adapter *adapter = container_of(work,
struct qlcnic_adapter, fw_work.work);
u32 dev_state = 0xf;
u32 val;
if (qlcnic_api_lock(adapter))
goto err_ret;
dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
if (dev_state == QLCNIC_DEV_QUISCENT ||
dev_state == QLCNIC_DEV_NEED_QUISCENT) {
qlcnic_api_unlock(adapter);
qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
FW_POLL_DELAY * 2);
return;
}
if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
qlcnic_api_unlock(adapter);
goto wait_npar;
}
if (dev_state == QLCNIC_DEV_INITIALIZING ||
dev_state == QLCNIC_DEV_READY) {
dev_info(&adapter->pdev->dev, "Detected state change from "
"DEV_NEED_RESET, skipping ack check\n");
goto skip_ack_check;
}
if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
adapter->reset_ack_timeo);
goto skip_ack_check;
}
if (!qlcnic_check_drv_state(adapter)) {
skip_ack_check:
dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
if (dev_state == QLCNIC_DEV_NEED_RESET) {
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
QLCNIC_DEV_INITIALIZING);
set_bit(__QLCNIC_START_FW, &adapter->state);
QLCDB(adapter, DRV, "Restarting fw\n");
qlcnic_idc_debug_info(adapter, 0);
val = QLC_SHARED_REG_RD32(adapter,
QLCNIC_CRB_DRV_STATE);
QLC_DEV_SET_RST_RDY(val, adapter->portnum);
QLC_SHARED_REG_WR32(adapter,
QLCNIC_CRB_DRV_STATE, val);
}
qlcnic_api_unlock(adapter);
rtnl_lock();
if (qlcnic_check_fw_dump_state(adapter) &&
(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
QLCDB(adapter, DRV, "Take FW dump\n");
qlcnic_dump_fw(adapter);
adapter->flags |= QLCNIC_FW_HANG;
}
rtnl_unlock();
adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
if (!adapter->nic_ops->start_firmware(adapter)) {
qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
adapter->fw_wait_cnt = 0;
return;
}
goto err_ret;
}
qlcnic_api_unlock(adapter);
wait_npar:
dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
switch (dev_state) {
case QLCNIC_DEV_READY:
if (!qlcnic_start_firmware(adapter)) {
qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
adapter->fw_wait_cnt = 0;
return;
}
case QLCNIC_DEV_FAILED:
break;
default:
qlcnic_schedule_work(adapter,
qlcnic_fwinit_work, FW_POLL_DELAY);
return;
}
err_ret:
dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
"fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
netif_device_attach(adapter->netdev);
qlcnic_clr_all_drv_state(adapter, 0);
}
static void
qlcnic_detach_work(struct work_struct *work)
{
struct qlcnic_adapter *adapter = container_of(work,
struct qlcnic_adapter, fw_work.work);
struct net_device *netdev = adapter->netdev;
u32 status;
netif_device_detach(netdev);
/* Dont grab rtnl lock during Quiscent mode */
if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
} else
qlcnic_down(adapter, netdev);
status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
if (status & QLCNIC_RCODE_FATAL_ERROR) {
dev_err(&adapter->pdev->dev,
"Detaching the device: peg halt status1=0x%x\n",
status);
if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
dev_err(&adapter->pdev->dev,
"On board active cooling fan failed. "
"Device has been halted.\n");
dev_err(&adapter->pdev->dev,
"Replace the adapter.\n");
}
goto err_ret;
}
if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
adapter->ahw->temp);
goto err_ret;
}
/* Dont ack if this instance is the reset owner */
if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
dev_err(&adapter->pdev->dev,
"Failed to set driver state,"
"detaching the device.\n");
goto err_ret;
}
}
adapter->fw_wait_cnt = 0;
qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
return;
err_ret:
netif_device_attach(netdev);
qlcnic_clr_all_drv_state(adapter, 1);
}
/*Transit NPAR state to NON Operational */
static void
qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
{
u32 state;
state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
if (state == QLCNIC_DEV_NPAR_NON_OPER)
return;
if (qlcnic_api_lock(adapter))
return;
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
QLCNIC_DEV_NPAR_NON_OPER);
qlcnic_api_unlock(adapter);
}
static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter,
u32 key)
{
u32 state, xg_val = 0, gb_val = 0;
qlcnic_xg_set_xg0_mask(xg_val);
qlcnic_xg_set_xg1_mask(xg_val);
QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
qlcnic_gb_set_gb0_mask(gb_val);
qlcnic_gb_set_gb1_mask(gb_val);
qlcnic_gb_set_gb2_mask(gb_val);
qlcnic_gb_set_gb3_mask(gb_val);
QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
dev_info(&adapter->pdev->dev, "Pause control frames disabled"
" on all ports\n");
adapter->need_fw_reset = 1;
if (qlcnic_api_lock(adapter))
return;
state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
netdev_err(adapter->netdev, "%s: Device is in non-operational state\n",
__func__);
qlcnic_api_unlock(adapter);
return;
}
if (state == QLCNIC_DEV_READY) {
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
QLCNIC_DEV_NEED_RESET);
adapter->flags |= QLCNIC_FW_RESET_OWNER;
QLCDB(adapter, DRV, "NEED_RESET state set\n");
qlcnic_idc_debug_info(adapter, 0);
}
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
QLCNIC_DEV_NPAR_NON_OPER);
qlcnic_api_unlock(adapter);
}
/* Transit to NPAR READY state from NPAR NOT READY state */
static void
qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
{
if (qlcnic_api_lock(adapter))
return;
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE,
QLCNIC_DEV_NPAR_OPER);
QLCDB(adapter, DRV, "NPAR operational state set\n");
qlcnic_api_unlock(adapter);
}
void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
work_func_t func, int delay)
{
if (test_bit(__QLCNIC_AER, &adapter->state))
return;
INIT_DELAYED_WORK(&adapter->fw_work, func);
queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work,
round_jiffies_relative(delay));
}
static void
qlcnic_attach_work(struct work_struct *work)
{
struct qlcnic_adapter *adapter = container_of(work,
struct qlcnic_adapter, fw_work.work);
struct net_device *netdev = adapter->netdev;
u32 npar_state;
if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
npar_state = QLC_SHARED_REG_RD32(adapter,
QLCNIC_CRB_DEV_NPAR_STATE);
if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
qlcnic_clr_all_drv_state(adapter, 0);
else if (npar_state != QLCNIC_DEV_NPAR_OPER)
qlcnic_schedule_work(adapter, qlcnic_attach_work,
FW_POLL_DELAY);
else
goto attach;
QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
return;
}
attach:
qlcnic_dcb_get_info(adapter->dcb);
if (netif_running(netdev)) {
if (qlcnic_up(adapter, netdev))
goto done;
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
}
done:
netif_device_attach(netdev);
adapter->fw_fail_cnt = 0;
adapter->flags &= ~QLCNIC_FW_HANG;
clear_bit(__QLCNIC_RESETTING, &adapter->state);
if (adapter->portnum == 0)
qlcnic_set_drv_version(adapter);
if (!qlcnic_clr_drv_state(adapter))
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
FW_POLL_DELAY);
}
static int
qlcnic_check_health(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump;
u32 state = 0, heartbeat;
u32 peg_status;
int err = 0;
if (qlcnic_check_temp(adapter))
goto detach;
if (adapter->need_fw_reset)
qlcnic_dev_request_reset(adapter, 0);
state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
if (state == QLCNIC_DEV_NEED_RESET) {
qlcnic_set_npar_non_operational(adapter);
adapter->need_fw_reset = 1;
} else if (state == QLCNIC_DEV_NEED_QUISCENT)
goto detach;
heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
if (heartbeat != adapter->heartbeat) {
adapter->heartbeat = heartbeat;
adapter->fw_fail_cnt = 0;
if (adapter->need_fw_reset)
goto detach;
if (ahw->reset_context && qlcnic_auto_fw_reset)
qlcnic_reset_hw_context(adapter);
return 0;
}
if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
return 0;
adapter->flags |= QLCNIC_FW_HANG;
qlcnic_dev_request_reset(adapter, 0);
if (qlcnic_auto_fw_reset)
clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
dev_err(&adapter->pdev->dev, "firmware hang detected\n");
peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1);
dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
"PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
"PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
"PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
"PEG_NET_4_PC: 0x%x\n",
peg_status,
QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2),
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err),
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err),
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err),
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err),
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err));
if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
dev_err(&adapter->pdev->dev,
"Firmware aborted with error code 0x00006700. "
"Device is being reset.\n");
detach:
adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
QLCNIC_DEV_NEED_RESET;
if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
&adapter->state)) {
qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
QLCDB(adapter, DRV, "fw recovery scheduled.\n");
} else if (!qlcnic_auto_fw_reset && fw_dump->enable &&
adapter->flags & QLCNIC_FW_RESET_OWNER) {
qlcnic_dump_fw(adapter);
}
return 1;
}
void qlcnic_fw_poll_work(struct work_struct *work)
{
struct qlcnic_adapter *adapter = container_of(work,
struct qlcnic_adapter, fw_work.work);
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
goto reschedule;
if (qlcnic_check_health(adapter))
return;
if (adapter->fhash.fnum)
qlcnic_prune_lb_filters(adapter);
reschedule:
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
}
static int qlcnic_is_first_func(struct pci_dev *pdev)
{
struct pci_dev *oth_pdev;
int val = pdev->devfn;
while (val-- > 0) {
oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
(pdev->bus), pdev->bus->number,
PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
if (!oth_pdev)
continue;
if (oth_pdev->current_state != PCI_D3cold) {
pci_dev_put(oth_pdev);
return 0;
}
pci_dev_put(oth_pdev);
}
return 1;
}
static int qlcnic_attach_func(struct pci_dev *pdev)
{
int err, first_func;
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
struct net_device *netdev = adapter->netdev;
pdev->error_state = pci_channel_io_normal;
err = pci_enable_device(pdev);
if (err)
return err;
pci_set_master(pdev);
pci_restore_state(pdev);
first_func = qlcnic_is_first_func(pdev);
if (qlcnic_api_lock(adapter))
return -EINVAL;
if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
adapter->need_fw_reset = 1;
set_bit(__QLCNIC_START_FW, &adapter->state);
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
QLCNIC_DEV_INITIALIZING);
QLCDB(adapter, DRV, "Restarting fw\n");
}
qlcnic_api_unlock(adapter);
err = qlcnic_start_firmware(adapter);
if (err)
return err;
qlcnic_clr_drv_state(adapter);
kfree(adapter->msix_entries);
adapter->msix_entries = NULL;
err = qlcnic_setup_intr(adapter);
if (err) {
kfree(adapter->msix_entries);
netdev_err(netdev, "failed to setup interrupt\n");
return err;
}
if (netif_running(netdev)) {
err = qlcnic_attach(adapter);
if (err) {
qlcnic_clr_all_drv_state(adapter, 1);
clear_bit(__QLCNIC_AER, &adapter->state);
netif_device_attach(netdev);
return err;
}
err = qlcnic_up(adapter, netdev);
if (err)
goto done;
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
}
done:
netif_device_attach(netdev);
return err;
}
static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
struct net_device *netdev = adapter->netdev;
if (state == pci_channel_io_perm_failure)
return PCI_ERS_RESULT_DISCONNECT;
if (state == pci_channel_io_normal)
return PCI_ERS_RESULT_RECOVERED;
set_bit(__QLCNIC_AER, &adapter->state);
netif_device_detach(netdev);
cancel_delayed_work_sync(&adapter->fw_work);
if (netif_running(netdev))
qlcnic_down(adapter, netdev);
qlcnic_detach(adapter);
qlcnic_teardown_intr(adapter);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
pci_save_state(pdev);
pci_disable_device(pdev);
return PCI_ERS_RESULT_NEED_RESET;
}
static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
{
return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
PCI_ERS_RESULT_RECOVERED;
}
static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
{
u32 state;
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
pci_cleanup_aer_uncorrect_error_status(pdev);
state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER,
&adapter->state))
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
FW_POLL_DELAY);
}
static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
if (hw_ops->io_error_detected) {
return hw_ops->io_error_detected(pdev, state);
} else {
dev_err(&pdev->dev, "AER error_detected handler not registered.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
}
static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
{
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
if (hw_ops->io_slot_reset) {
return hw_ops->io_slot_reset(pdev);
} else {
dev_err(&pdev->dev, "AER slot_reset handler not registered.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
}
static void qlcnic_io_resume(struct pci_dev *pdev)
{
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops;
if (hw_ops->io_resume)
hw_ops->io_resume(pdev);
else
dev_err(&pdev->dev, "AER resume handler not registered.\n");
}
static int
qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
{
int err;
err = qlcnic_can_start_firmware(adapter);
if (err)
return err;
err = qlcnic_check_npar_opertional(adapter);
if (err)
return err;
err = qlcnic_initialize_nic(adapter);
if (err)
return err;
qlcnic_check_options(adapter);
err = qlcnic_set_eswitch_port_config(adapter);
if (err)
return err;
adapter->need_fw_reset = 0;
return err;
}
int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
int queue_type)
{
struct net_device *netdev = adapter->netdev;
u8 max_hw_rings = 0;
char buf[8];
int cur_rings;
if (queue_type == QLCNIC_RX_QUEUE) {
max_hw_rings = adapter->max_sds_rings;
cur_rings = adapter->drv_sds_rings;
strcpy(buf, "SDS");
} else if (queue_type == QLCNIC_TX_QUEUE) {
max_hw_rings = adapter->max_tx_rings;
cur_rings = adapter->drv_tx_rings;
strcpy(buf, "Tx");
}
if (!is_power_of_2(ring_cnt)) {
netdev_err(netdev, "%s rings value should be a power of 2\n",
buf);
return -EINVAL;
}
if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) &&
!qlcnic_check_multi_tx(adapter)) {
netdev_err(netdev, "No Multi Tx queue support\n");
return -EINVAL;
}
if (ring_cnt > num_online_cpus()) {
netdev_err(netdev,
"%s value[%u] should not be higher than, number of online CPUs\n",
buf, num_online_cpus());
return -EINVAL;
}
return 0;
}
int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
u8 tx_rings, rx_rings;
int err;
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
return -EBUSY;
tx_rings = adapter->drv_tss_rings;
rx_rings = adapter->drv_rss_rings;
netif_device_detach(netdev);
err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
if (err)
goto done;
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
qlcnic_detach(adapter);
if (qlcnic_83xx_check(adapter)) {
qlcnic_83xx_free_mbx_intr(adapter);
qlcnic_83xx_enable_mbx_poll(adapter);
}
qlcnic_teardown_intr(adapter);
err = qlcnic_setup_intr(adapter);
if (err) {
kfree(adapter->msix_entries);
netdev_err(netdev, "failed to setup interrupt\n");
return err;
}
/* Check if we need to update real_num_{tx|rx}_queues because
* qlcnic_setup_intr() may change Tx/Rx rings size
*/
if ((tx_rings != adapter->drv_tx_rings) ||
(rx_rings != adapter->drv_sds_rings)) {
err = qlcnic_set_real_num_queues(adapter,
adapter->drv_tx_rings,
adapter->drv_sds_rings);
if (err)
goto done;
}
if (qlcnic_83xx_check(adapter)) {
qlcnic_83xx_initialize_nic(adapter, 1);
err = qlcnic_83xx_setup_mbx_intr(adapter);
qlcnic_83xx_disable_mbx_poll(adapter);
if (err) {
dev_err(&adapter->pdev->dev,
"failed to setup mbx interrupt\n");
goto done;
}
}
if (netif_running(netdev)) {
err = qlcnic_attach(adapter);
if (err)
goto done;
err = __qlcnic_up(adapter, netdev);
if (err)
goto done;
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
}
done:
netif_device_attach(netdev);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return err;
}
#ifdef CONFIG_INET
#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
static void
qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
struct net_device *dev, unsigned long event)
{
struct in_device *indev;
indev = in_dev_get(dev);
if (!indev)
return;
for_ifa(indev) {
switch (event) {
case NETDEV_UP:
qlcnic_config_ipaddr(adapter,
ifa->ifa_address, QLCNIC_IP_UP);
break;
case NETDEV_DOWN:
qlcnic_config_ipaddr(adapter,
ifa->ifa_address, QLCNIC_IP_DOWN);
break;
default:
break;
}
} endfor_ifa(indev);
in_dev_put(indev);
}
void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct net_device *dev;
u16 vid;
qlcnic_config_indev_addr(adapter, netdev, event);
rcu_read_lock();
for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
if (!dev)
continue;
qlcnic_config_indev_addr(adapter, dev, event);
}
rcu_read_unlock();
}
static int qlcnic_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct qlcnic_adapter *adapter;
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
recheck:
if (dev == NULL)
goto done;
if (dev->priv_flags & IFF_802_1Q_VLAN) {
dev = vlan_dev_real_dev(dev);
goto recheck;
}
if (!is_qlcnic_netdev(dev))
goto done;
adapter = netdev_priv(dev);
if (!adapter)
goto done;
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
goto done;
qlcnic_config_indev_addr(adapter, dev, event);
done:
return NOTIFY_DONE;
}
static int
qlcnic_inetaddr_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct qlcnic_adapter *adapter;
struct net_device *dev;
struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
recheck:
if (dev == NULL)
goto done;
if (dev->priv_flags & IFF_802_1Q_VLAN) {
dev = vlan_dev_real_dev(dev);
goto recheck;
}
if (!is_qlcnic_netdev(dev))
goto done;
adapter = netdev_priv(dev);
if (!adapter)
goto done;
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
goto done;
switch (event) {
case NETDEV_UP:
qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
break;
case NETDEV_DOWN:
qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
break;
default:
break;
}
done:
return NOTIFY_DONE;
}
static struct notifier_block qlcnic_netdev_cb = {
.notifier_call = qlcnic_netdev_event,
};
static struct notifier_block qlcnic_inetaddr_cb = {
.notifier_call = qlcnic_inetaddr_event,
};
#else
void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
{ }
#endif
static const struct pci_error_handlers qlcnic_err_handler = {
.error_detected = qlcnic_io_error_detected,
.slot_reset = qlcnic_io_slot_reset,
.resume = qlcnic_io_resume,
};
static struct pci_driver qlcnic_driver = {
.name = qlcnic_driver_name,
.id_table = qlcnic_pci_tbl,
.probe = qlcnic_probe,
.remove = qlcnic_remove,
#ifdef CONFIG_PM
.suspend = qlcnic_suspend,
.resume = qlcnic_resume,
#endif
.shutdown = qlcnic_shutdown,
.err_handler = &qlcnic_err_handler,
#ifdef CONFIG_QLCNIC_SRIOV
.sriov_configure = qlcnic_pci_sriov_configure,
#endif
};
static int __init qlcnic_init_module(void)
{
int ret;
printk(KERN_INFO "%s\n", qlcnic_driver_string);
#ifdef CONFIG_INET
register_netdevice_notifier(&qlcnic_netdev_cb);
register_inetaddr_notifier(&qlcnic_inetaddr_cb);
#endif
ret = pci_register_driver(&qlcnic_driver);
if (ret) {
#ifdef CONFIG_INET
unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
unregister_netdevice_notifier(&qlcnic_netdev_cb);
#endif
}
return ret;
}
module_init(qlcnic_init_module);
static void __exit qlcnic_exit_module(void)
{
pci_unregister_driver(&qlcnic_driver);
#ifdef CONFIG_INET
unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
unregister_netdevice_notifier(&qlcnic_netdev_cb);
#endif
}
module_exit(qlcnic_exit_module);
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