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qlcnic: Add support for per port eswitch configuration 

There is an embedded switch per physical port on the adapter.
Add support for enabling and disabling the embedded switch
on per port basis.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sony Chacko 2013-08-30 13:51:23 -04:00 committed by David S. Miller
parent 7000078aab
commit 35dafcb0a9
7 changed files with 120 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
View File

@ -837,6 +837,7 @@ struct qlcnic_mac_list_s {
#define QLCNIC_FW_CAP2_HW_LRO_IPV6 BIT_3
#define QLCNIC_FW_CAPABILITY_SET_DRV_VER BIT_5
#define QLCNIC_FW_CAPABILITY_2_BEACON BIT_7
#define QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG BIT_8
/* module types */
#define LINKEVENT_MODULE_NOT_PRESENT 1
@ -1184,6 +1185,7 @@ struct qlcnic_pci_info {
};
struct qlcnic_npar_info {
bool eswitch_status;
u16 pvid;
u16 min_bw;
u16 max_bw;

2
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
View File

@ -2331,7 +2331,7 @@ int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter,
pci_info->tx_max_bw, pci_info->mac);
}
if (ahw->op_mode == QLCNIC_MGMT_FUNC)
dev_info(dev, "Max vNIC functions = %d, active vNIC functions = %d\n",
dev_info(dev, "Max functions = %d, active functions = %d\n",
ahw->max_pci_func, ahw->act_pci_func);
} else {

2
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
View File

@ -411,6 +411,7 @@ enum qlcnic_83xx_states {
#define QLC_83XX_GET_HW_LRO_CAPABILITY(val) (val & 0x400)
#define QLC_83XX_GET_VLAN_ALIGN_CAPABILITY(val) (val & 0x4000)
#define QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(val) (val & 0x20000)
#define QLC_83XX_ESWITCH_CAPABILITY BIT_23
#define QLC_83XX_VIRTUAL_NIC_MODE 0xFF
#define QLC_83XX_DEFAULT_MODE 0x0
#define QLC_83XX_SRIOV_MODE 0x1
@ -625,6 +626,7 @@ int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *);
int qlcnic_83xx_get_vnic_vport_info(struct qlcnic_adapter *,
struct qlcnic_info *, u8);
int qlcnic_83xx_get_vnic_pf_info(struct qlcnic_adapter *, struct qlcnic_info *);
int qlcnic_83xx_enable_port_eswitch(struct qlcnic_adapter *, int);
void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *);
void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data);

67
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
View File

@ -2003,36 +2003,6 @@ static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter)
return 0;
}
/**
* qlcnic_83xx_config_default_opmode
*
* @adapter: adapter structure
*
* Configure default driver operating mode
*
* Returns: Error code or Success(0)
* */
int qlcnic_83xx_config_default_opmode(struct qlcnic_adapter *adapter)
{
u32 op_mode;
struct qlcnic_hardware_context *ahw = adapter->ahw;
qlcnic_get_func_no(adapter);
op_mode = QLCRDX(ahw, QLC_83XX_DRV_OP_MODE);
if (test_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state))
op_mode = QLC_83XX_DEFAULT_OPMODE;
if (op_mode == QLC_83XX_DEFAULT_OPMODE) {
adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver;
ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
} else {
return -EIO;
}
return 0;
}
int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter)
{
int err;
@ -2052,26 +2022,26 @@ int qlcnic_83xx_get_nic_configuration(struct qlcnic_adapter *adapter)
ahw->max_mac_filters = nic_info.max_mac_filters;
ahw->max_mtu = nic_info.max_mtu;
/* VNIC mode is detected by BIT_23 in capabilities. This bit is also
* set in case device is SRIOV capable. VNIC and SRIOV are mutually
* exclusive. So in case of sriov capable device load driver in
* default mode
/* eSwitch capability indicates vNIC mode.
* vNIC and SRIOV are mutually exclusive operational modes.
* If SR-IOV capability is detected, SR-IOV physical function
* will get initialized in default mode.
* SR-IOV virtual function initialization follows a
* different code path and opmode.
* SRIOV mode has precedence over vNIC mode.
*/
if (test_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state)) {
ahw->nic_mode = QLC_83XX_DEFAULT_MODE;
return ahw->nic_mode;
}
if (test_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state))
return QLC_83XX_DEFAULT_OPMODE;
if (ahw->capabilities & BIT_23)
ahw->nic_mode = QLC_83XX_VIRTUAL_NIC_MODE;
else
ahw->nic_mode = QLC_83XX_DEFAULT_MODE;
if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY)
return QLC_83XX_VIRTUAL_NIC_MODE;
return ahw->nic_mode;
return QLC_83XX_DEFAULT_OPMODE;
}
int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
int ret;
ret = qlcnic_83xx_get_nic_configuration(adapter);
@ -2079,11 +2049,16 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter)
return -EIO;
if (ret == QLC_83XX_VIRTUAL_NIC_MODE) {
ahw->nic_mode = QLC_83XX_VIRTUAL_NIC_MODE;
if (qlcnic_83xx_config_vnic_opmode(adapter))
return -EIO;
} else if (ret == QLC_83XX_DEFAULT_MODE) {
if (qlcnic_83xx_config_default_opmode(adapter))
return -EIO;
} else if (ret == QLC_83XX_DEFAULT_OPMODE) {
ahw->nic_mode = QLC_83XX_DEFAULT_MODE;
adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver;
ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
} else {
return -EIO;
}
return 0;

40
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
View File

@ -208,7 +208,7 @@ int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter)
return -EIO;
}
if (ahw->capabilities & BIT_23)
if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY)
adapter->flags |= QLCNIC_ESWITCH_ENABLED;
else
adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
@ -239,3 +239,41 @@ int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)
return 0;
}
static int qlcnic_83xx_get_eswitch_port_info(struct qlcnic_adapter *adapter,
int func, int *port_id)
{
struct qlcnic_info nic_info;
int err = 0;
memset(&nic_info, 0, sizeof(struct qlcnic_info));
err = qlcnic_get_nic_info(adapter, &nic_info, func);
if (err)
return err;
if (nic_info.capabilities & QLC_83XX_ESWITCH_CAPABILITY)
*port_id = nic_info.phys_port;
else
err = -EIO;
return err;
}
int qlcnic_83xx_enable_port_eswitch(struct qlcnic_adapter *adapter, int func)
{
int id, err = 0;
err = qlcnic_83xx_get_eswitch_port_info(adapter, func, &id);
if (err)
return err;
if (!(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
if (!qlcnic_enable_eswitch(adapter, id, 1))
adapter->eswitch[id].flags |= QLCNIC_SWITCH_ENABLE;
else
err = -EIO;
}
return err;
}

41
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -796,6 +796,23 @@ static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter)
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_pci_info *pci_info;
@ -839,18 +856,30 @@ int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
(pci_info[i].type != QLCNIC_TYPE_NIC))
continue;
if (qlcnic_port_eswitch_cfg_capability(adapter)) {
if (!qlcnic_83xx_enable_port_eswitch(adapter, pfn))
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;
j++;
}
for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) {
adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
if (qlcnic_83xx_check(adapter))
if (qlcnic_82xx_check(adapter)) {
for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
} else if (!qlcnic_port_eswitch_cfg_capability(adapter)) {
for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
qlcnic_enable_eswitch(adapter, i, 1);
}
@ -1275,6 +1304,9 @@ int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
return 0;
for (i = 0; i < adapter->ahw->act_pci_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;
@ -1337,6 +1369,9 @@ int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
for (i = 0; i < adapter->ahw->act_pci_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)

19
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
View File

@ -465,8 +465,14 @@ static ssize_t qlcnic_sysfs_read_pm_config(struct file *filp,
memset(&pm_cfg, 0,
sizeof(struct qlcnic_pm_func_cfg) * QLCNIC_MAX_PCI_FUNC);
for (i = 0; i < adapter->ahw->act_pci_func; i++) {
for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
pci_func = adapter->npars[i].pci_func;
if (!adapter->npars[i].active)
continue;
if (!adapter->npars[i].eswitch_status)
continue;
pm_cfg[pci_func].action = adapter->npars[i].enable_pm;
pm_cfg[pci_func].dest_npar = 0;
pm_cfg[pci_func].pci_func = i;
@ -632,8 +638,14 @@ static ssize_t qlcnic_sysfs_read_esw_config(struct file *file,
memset(&esw_cfg, 0,
sizeof(struct qlcnic_esw_func_cfg) * QLCNIC_MAX_PCI_FUNC);
for (i = 0; i < adapter->ahw->act_pci_func; i++) {
for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
pci_func = adapter->npars[i].pci_func;
if (!adapter->npars[i].active)
continue;
if (!adapter->npars[i].eswitch_status)
continue;
esw_cfg[pci_func].pci_func = pci_func;
if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg[pci_func]))
return QL_STATUS_INVALID_PARAM;
@ -732,6 +744,9 @@ static ssize_t qlcnic_sysfs_read_npar_config(struct file *file,
if (ret)
return ret;
if (!adapter->npars[i].eswitch_status)
continue;
np_cfg[i].pci_func = i;
np_cfg[i].op_mode = (u8)nic_info.op_mode;
np_cfg[i].port_num = nic_info.phys_port;