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kernel/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c

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// SPDX-License-Identifier: GPL-2.0-only
/*
* QLogic qlcnic NIC Driver
* Copyright (c) 2009-2013 QLogic Corporation
*/
#include <linux/types.h>
#include "qlcnic_sriov.h"
#include "qlcnic.h"
#define QLCNIC_SRIOV_VF_MAX_MAC 7
#define QLC_VF_MIN_TX_RATE 100
#define QLC_VF_MAX_TX_RATE 9999
#define QLC_MAC_OPCODE_MASK 0x7
#define QLC_VF_FLOOD_BIT BIT_16
#define QLC_FLOOD_MODE 0x5
#define QLC_SRIOV_ALLOW_VLAN0 BIT_19
#define QLC_INTR_COAL_TYPE_MASK 0x7
static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8);
struct qlcnic_sriov_cmd_handler {
int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
};
struct qlcnic_sriov_fw_cmd_handler {
u32 cmd;
int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
};
static int qlcnic_sriov_pf_set_vport_info(struct qlcnic_adapter *adapter,
struct qlcnic_info *npar_info,
u16 vport_id)
{
struct qlcnic_cmd_args cmd;
int err;
if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO))
return -ENOMEM;
cmd.req.arg[1] = (vport_id << 16) | 0x1;
cmd.req.arg[2] = npar_info->bit_offsets;
cmd.req.arg[2] |= npar_info->min_tx_bw << 16;
cmd.req.arg[3] = npar_info->max_tx_bw | (npar_info->max_tx_ques << 16);
cmd.req.arg[4] = npar_info->max_tx_mac_filters;
cmd.req.arg[4] |= npar_info->max_rx_mcast_mac_filters << 16;
cmd.req.arg[5] = npar_info->max_rx_ucast_mac_filters |
(npar_info->max_rx_ip_addr << 16);
cmd.req.arg[6] = npar_info->max_rx_lro_flow |
(npar_info->max_rx_status_rings << 16);
cmd.req.arg[7] = npar_info->max_rx_buf_rings |
(npar_info->max_rx_ques << 16);
cmd.req.arg[8] = npar_info->max_tx_vlan_keys;
cmd.req.arg[8] |= npar_info->max_local_ipv6_addrs << 16;
cmd.req.arg[9] = npar_info->max_remote_ipv6_addrs;
err = qlcnic_issue_cmd(adapter, &cmd);
if (err)
dev_err(&adapter->pdev->dev,
"Failed to set vport info, err=%d\n", err);
qlcnic_free_mbx_args(&cmd);
return err;
}
static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
struct qlcnic_info *info, u16 func)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_resources *res = &sriov->ff_max;
u16 num_macs = sriov->num_allowed_vlans + 1;
int ret = -EIO, vpid, id;
struct qlcnic_vport *vp;
u32 num_vfs, max, temp;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
if (vpid < 0)
return -EINVAL;
num_vfs = sriov->num_vfs;
max = num_vfs + 1;
info->bit_offsets = 0xffff;
info->max_tx_ques = res->num_tx_queues / max;
if (qlcnic_83xx_pf_check(adapter))
num_macs = QLCNIC_83XX_SRIOV_VF_MAX_MAC;
info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters;
if (adapter->ahw->pci_func == func) {
info->min_tx_bw = 0;
info->max_tx_bw = MAX_BW;
temp = res->num_rx_ucast_mac_filters - num_macs * num_vfs;
info->max_rx_ucast_mac_filters = temp;
temp = res->num_tx_mac_filters - num_macs * num_vfs;
info->max_tx_mac_filters = temp;
temp = num_macs * num_vfs * QLCNIC_SRIOV_VF_MAX_MAC;
temp = res->num_rx_mcast_mac_filters - temp;
info->max_rx_mcast_mac_filters = temp;
info->max_tx_ques = res->num_tx_queues - sriov->num_vfs;
} else {
id = qlcnic_sriov_func_to_index(adapter, func);
if (id < 0)
return id;
vp = sriov->vf_info[id].vp;
info->min_tx_bw = vp->min_tx_bw;
info->max_tx_bw = vp->max_tx_bw;
info->max_rx_ucast_mac_filters = num_macs;
info->max_tx_mac_filters = num_macs;
temp = num_macs * QLCNIC_SRIOV_VF_MAX_MAC;
info->max_rx_mcast_mac_filters = temp;
info->max_tx_ques = QLCNIC_SINGLE_RING;
}
info->max_rx_ip_addr = res->num_destip / max;
info->max_rx_status_rings = res->num_rx_status_rings / max;
info->max_rx_buf_rings = res->num_rx_buf_rings / max;
info->max_rx_ques = res->num_rx_queues / max;
info->max_rx_lro_flow = res->num_lro_flows_supported / max;
info->max_tx_vlan_keys = res->num_txvlan_keys;
info->max_local_ipv6_addrs = res->max_local_ipv6_addrs;
info->max_remote_ipv6_addrs = res->max_remote_ipv6_addrs;
ret = qlcnic_sriov_pf_set_vport_info(adapter, info, vpid);
if (ret)
return ret;
return 0;
}
static void qlcnic_sriov_pf_set_ff_max_res(struct qlcnic_adapter *adapter,
struct qlcnic_info *info)
{
struct qlcnic_resources *ff_max = &adapter->ahw->sriov->ff_max;
ff_max->num_tx_mac_filters = info->max_tx_mac_filters;
ff_max->num_rx_ucast_mac_filters = info->max_rx_ucast_mac_filters;
ff_max->num_rx_mcast_mac_filters = info->max_rx_mcast_mac_filters;
ff_max->num_txvlan_keys = info->max_tx_vlan_keys;
ff_max->num_rx_queues = info->max_rx_ques;
ff_max->num_tx_queues = info->max_tx_ques;
ff_max->num_lro_flows_supported = info->max_rx_lro_flow;
ff_max->num_destip = info->max_rx_ip_addr;
ff_max->num_rx_buf_rings = info->max_rx_buf_rings;
ff_max->num_rx_status_rings = info->max_rx_status_rings;
ff_max->max_remote_ipv6_addrs = info->max_remote_ipv6_addrs;
ff_max->max_local_ipv6_addrs = info->max_local_ipv6_addrs;
}
static void qlcnic_sriov_set_vf_max_vlan(struct qlcnic_adapter *adapter,
struct qlcnic_info *npar_info)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
int temp, total_fn;
temp = npar_info->max_rx_mcast_mac_filters;
total_fn = sriov->num_vfs + 1;
temp = temp / (QLCNIC_SRIOV_VF_MAX_MAC * total_fn);
sriov->num_allowed_vlans = temp - 1;
if (qlcnic_83xx_pf_check(adapter))
sriov->num_allowed_vlans = 1;
netdev_info(adapter->netdev, "Max Guest VLANs supported per VF = %d\n",
sriov->num_allowed_vlans);
}
static int qlcnic_sriov_get_pf_info(struct qlcnic_adapter *adapter,
struct qlcnic_info *npar_info)
{
int err;
struct qlcnic_cmd_args cmd;
if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO))
return -ENOMEM;
cmd.req.arg[1] = 0x2;
err = qlcnic_issue_cmd(adapter, &cmd);
if (err) {
dev_err(&adapter->pdev->dev,
"Failed to get PF info, err=%d\n", err);
goto out;
}
npar_info->total_pf = cmd.rsp.arg[2] & 0xff;
npar_info->total_rss_engines = (cmd.rsp.arg[2] >> 8) & 0xff;
npar_info->max_vports = MSW(cmd.rsp.arg[2]);
npar_info->max_tx_ques = LSW(cmd.rsp.arg[3]);
npar_info->max_tx_mac_filters = MSW(cmd.rsp.arg[3]);
npar_info->max_rx_mcast_mac_filters = LSW(cmd.rsp.arg[4]);
npar_info->max_rx_ucast_mac_filters = MSW(cmd.rsp.arg[4]);
npar_info->max_rx_ip_addr = LSW(cmd.rsp.arg[5]);
npar_info->max_rx_lro_flow = MSW(cmd.rsp.arg[5]);
npar_info->max_rx_status_rings = LSW(cmd.rsp.arg[6]);
npar_info->max_rx_buf_rings = MSW(cmd.rsp.arg[6]);
npar_info->max_rx_ques = LSW(cmd.rsp.arg[7]);
npar_info->max_tx_vlan_keys = MSW(cmd.rsp.arg[7]);
npar_info->max_local_ipv6_addrs = LSW(cmd.rsp.arg[8]);
npar_info->max_remote_ipv6_addrs = MSW(cmd.rsp.arg[8]);
qlcnic_sriov_set_vf_max_vlan(adapter, npar_info);
qlcnic_sriov_pf_set_ff_max_res(adapter, npar_info);
dev_info(&adapter->pdev->dev,
"\n\ttotal_pf: %d,\n"
"\n\ttotal_rss_engines: %d max_vports: %d max_tx_ques %d,\n"
"\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n"
"\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n"
"\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n"
"\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n"
"\tmax_local_ipv6_addrs: %d, max_remote_ipv6_addrs: %d\n",
npar_info->total_pf, npar_info->total_rss_engines,
npar_info->max_vports, npar_info->max_tx_ques,
npar_info->max_tx_mac_filters,
npar_info->max_rx_mcast_mac_filters,
npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr,
npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings,
npar_info->max_rx_buf_rings, npar_info->max_rx_ques,
npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs,
npar_info->max_remote_ipv6_addrs);
out:
qlcnic_free_mbx_args(&cmd);
return err;
}
static void qlcnic_sriov_pf_reset_vport_handle(struct qlcnic_adapter *adapter,
u8 func)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_vport *vp;
int index;
if (adapter->ahw->pci_func == func) {
sriov->vp_handle = 0;
} else {
index = qlcnic_sriov_func_to_index(adapter, func);
if (index < 0)
return;
vp = sriov->vf_info[index].vp;
vp->handle = 0;
}
}
static void qlcnic_sriov_pf_set_vport_handle(struct qlcnic_adapter *adapter,
u16 vport_handle, u8 func)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_vport *vp;
int index;
if (adapter->ahw->pci_func == func) {
sriov->vp_handle = vport_handle;
} else {
index = qlcnic_sriov_func_to_index(adapter, func);
if (index < 0)
return;
vp = sriov->vf_info[index].vp;
vp->handle = vport_handle;
}
}
static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *adapter,
u8 func)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_vf_info *vf_info;
int index;
if (adapter->ahw->pci_func == func) {
return sriov->vp_handle;
} else {
index = qlcnic_sriov_func_to_index(adapter, func);
if (index >= 0) {
vf_info = &sriov->vf_info[index];
return vf_info->vp->handle;
}
}
return -EINVAL;
}
static int qlcnic_sriov_pf_config_vport(struct qlcnic_adapter *adapter,
u8 flag, u16 func)
{
struct qlcnic_cmd_args cmd;
int ret;
int vpid;
if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_VPORT))
return -ENOMEM;
if (flag) {
cmd.req.arg[3] = func << 8;
} else {
vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
if (vpid < 0) {
ret = -EINVAL;
goto out;
}
cmd.req.arg[3] = ((vpid & 0xffff) << 8) | 1;
}
ret = qlcnic_issue_cmd(adapter, &cmd);
if (ret) {
dev_err(&adapter->pdev->dev,
"Failed %s vport, err %d for func 0x%x\n",
(flag ? "enable" : "disable"), ret, func);
goto out;
}
if (flag) {
vpid = cmd.rsp.arg[2] & 0xffff;
qlcnic_sriov_pf_set_vport_handle(adapter, vpid, func);
} else {
qlcnic_sriov_pf_reset_vport_handle(adapter, func);
}
out:
qlcnic_free_mbx_args(&cmd);
return ret;
}
static int qlcnic_sriov_pf_cfg_vlan_filtering(struct qlcnic_adapter *adapter,
u8 enable)
{
struct qlcnic_cmd_args cmd;
int err;
err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
if (err)
return err;
cmd.req.arg[1] = 0x4;
if (enable) {
adapter->flags |= QLCNIC_VLAN_FILTERING;
cmd.req.arg[1] |= BIT_16;
if (qlcnic_84xx_check(adapter))
cmd.req.arg[1] |= QLC_SRIOV_ALLOW_VLAN0;
} else {
adapter->flags &= ~QLCNIC_VLAN_FILTERING;
}
err = qlcnic_issue_cmd(adapter, &cmd);
if (err)
dev_err(&adapter->pdev->dev,
"Failed to configure VLAN filtering, err=%d\n", err);
qlcnic_free_mbx_args(&cmd);
return err;
}
/* On configuring VF flood bit, PFD will receive traffic from all VFs */
static int qlcnic_sriov_pf_cfg_flood(struct qlcnic_adapter *adapter)
{
struct qlcnic_cmd_args cmd;
int err;
err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
if (err)
return err;
cmd.req.arg[1] = QLC_FLOOD_MODE | QLC_VF_FLOOD_BIT;
err = qlcnic_issue_cmd(adapter, &cmd);
if (err)
dev_err(&adapter->pdev->dev,
"Failed to configure VF Flood bit on PF, err=%d\n",
err);
qlcnic_free_mbx_args(&cmd);
return err;
}
static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter,
u8 func, u8 enable)
{
struct qlcnic_cmd_args cmd;
int err = -EIO;
if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_TOGGLE_ESWITCH))
return -ENOMEM;
cmd.req.arg[0] |= (3 << 29);
cmd.req.arg[1] = ((func & 0xf) << 2) | BIT_6 | BIT_1;
if (enable)
cmd.req.arg[1] |= BIT_0;
err = qlcnic_issue_cmd(adapter, &cmd);
if (err != QLCNIC_RCODE_SUCCESS) {
dev_err(&adapter->pdev->dev,
"Failed to enable sriov eswitch%d\n", err);
err = -EIO;
}
qlcnic_free_mbx_args(&cmd);
return err;
}
static void qlcnic_sriov_pf_del_flr_queue(struct qlcnic_adapter *adapter)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_back_channel *bc = &sriov->bc;
int i;
for (i = 0; i < sriov->num_vfs; i++)
cancel_work_sync(&sriov->vf_info[i].flr_work);
destroy_workqueue(bc->bc_flr_wq);
}
static int qlcnic_sriov_pf_create_flr_queue(struct qlcnic_adapter *adapter)
{
struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc;
struct workqueue_struct *wq;
wq = create_singlethread_workqueue("qlcnic-flr");
if (wq == NULL) {
dev_err(&adapter->pdev->dev, "Cannot create FLR workqueue\n");
return -ENOMEM;
}
bc->bc_flr_wq = wq;
return 0;
}
void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter)
{
u8 func = adapter->ahw->pci_func;
if (!qlcnic_sriov_enable_check(adapter))
return;
qlcnic_sriov_pf_del_flr_queue(adapter);
qlcnic_sriov_cfg_bc_intr(adapter, 0);
qlcnic_sriov_pf_config_vport(adapter, 0, func);
qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
__qlcnic_sriov_cleanup(adapter);
adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
}
void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter)
{
if (!qlcnic_sriov_pf_check(adapter))
return;
if (!qlcnic_sriov_enable_check(adapter))
return;
pci_disable_sriov(adapter->pdev);
netdev_info(adapter->netdev,
"SR-IOV is disabled successfully on port %d\n",
adapter->portnum);
}
static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
if (pci_vfs_assigned(adapter->pdev)) {
netdev_err(adapter->netdev,
"SR-IOV VFs belonging to port %d are assigned to VMs. SR-IOV can not be disabled on this port\n",
adapter->portnum);
netdev_info(adapter->netdev,
"Please detach SR-IOV VFs belonging to port %d from VMs, and then try to disable SR-IOV on this port\n",
adapter->portnum);
return -EPERM;
}
qlcnic_sriov_pf_disable(adapter);
rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
qlcnic_sriov_free_vlans(adapter);
qlcnic_sriov_pf_cleanup(adapter);
/* After disabling SRIOV re-init the driver in default mode
configure opmode based on op_mode of function
*/
if (qlcnic_83xx_configure_opmode(adapter)) {
rtnl_unlock();
return -EIO;
}
if (netif_running(netdev))
__qlcnic_up(adapter, netdev);
rtnl_unlock();
return 0;
}
static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_info nic_info, pf_info, vp_info;
int err;
u8 func = ahw->pci_func;
if (!qlcnic_sriov_enable_check(adapter))
return 0;
err = qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 1);
if (err)
return err;
if (qlcnic_84xx_check(adapter)) {
err = qlcnic_sriov_pf_cfg_flood(adapter);
if (err)
goto disable_vlan_filtering;
}
err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, 1);
if (err)
goto disable_vlan_filtering;
err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
if (err)
goto disable_eswitch;
err = qlcnic_sriov_get_pf_info(adapter, &pf_info);
if (err)
goto delete_vport;
err = qlcnic_get_nic_info(adapter, &nic_info, func);
if (err)
goto delete_vport;
err = qlcnic_sriov_pf_cal_res_limit(adapter, &vp_info, func);
if (err)
goto delete_vport;
err = qlcnic_sriov_cfg_bc_intr(adapter, 1);
if (err)
goto delete_vport;
ahw->physical_port = (u8) nic_info.phys_port;
ahw->switch_mode = nic_info.switch_mode;
ahw->max_mtu = nic_info.max_mtu;
ahw->capabilities = nic_info.capabilities;
ahw->nic_mode = QLC_83XX_SRIOV_MODE;
return err;
delete_vport:
qlcnic_sriov_pf_config_vport(adapter, 0, func);
disable_eswitch:
qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
disable_vlan_filtering:
qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
return err;
}
static int qlcnic_sriov_pf_enable(struct qlcnic_adapter *adapter, int num_vfs)
{
int err;
if (!qlcnic_sriov_enable_check(adapter))
return 0;
err = pci_enable_sriov(adapter->pdev, num_vfs);
if (err)
qlcnic_sriov_pf_cleanup(adapter);
return err;
}
static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter,
int num_vfs)
{
int err = 0;
set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
adapter->ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
err = qlcnic_sriov_init(adapter, num_vfs);
if (err)
goto clear_op_mode;
err = qlcnic_sriov_pf_create_flr_queue(adapter);
if (err)
goto sriov_cleanup;
err = qlcnic_sriov_pf_init(adapter);
if (err)
goto del_flr_queue;
err = qlcnic_sriov_alloc_vlans(adapter);
if (err)
goto del_flr_queue;
return err;
del_flr_queue:
qlcnic_sriov_pf_del_flr_queue(adapter);
sriov_cleanup:
__qlcnic_sriov_cleanup(adapter);
clear_op_mode:
clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
return err;
}
static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs)
{
struct net_device *netdev = adapter->netdev;
int err;
if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
netdev_err(netdev,
"SR-IOV cannot be enabled, when legacy interrupts are enabled\n");
return -EIO;
}
rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
err = __qlcnic_pci_sriov_enable(adapter, num_vfs);
if (err)
goto error;
if (netif_running(netdev))
__qlcnic_up(adapter, netdev);
rtnl_unlock();
err = qlcnic_sriov_pf_enable(adapter, num_vfs);
if (!err) {
netdev_info(netdev,
"SR-IOV is enabled successfully on port %d\n",
adapter->portnum);
/* Return number of vfs enabled */
return num_vfs;
}
rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
error:
if (!qlcnic_83xx_configure_opmode(adapter)) {
if (netif_running(netdev))
__qlcnic_up(adapter, netdev);
}
rtnl_unlock();
netdev_info(netdev, "Failed to enable SR-IOV on port %d\n",
adapter->portnum);
return err;
}
int qlcnic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
{
struct qlcnic_adapter *adapter = pci_get_drvdata(dev);
int err;
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
return -EBUSY;
if (num_vfs == 0)
err = qlcnic_pci_sriov_disable(adapter);
else
err = qlcnic_pci_sriov_enable(adapter, num_vfs);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return err;
}
static int qlcnic_sriov_set_vf_acl(struct qlcnic_adapter *adapter, u8 func)
{
struct qlcnic_cmd_args cmd;
struct qlcnic_vport *vp;
int err, id;
u8 *mac;
id = qlcnic_sriov_func_to_index(adapter, func);
if (id < 0)
return id;
vp = adapter->ahw->sriov->vf_info[id].vp;
err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
if (err)
return err;
cmd.req.arg[1] = 0x3 | func << 16;
if (vp->spoofchk == true) {
mac = vp->mac;
cmd.req.arg[2] |= BIT_1 | BIT_3 | BIT_8;
cmd.req.arg[4] = mac[5] | mac[4] << 8 | mac[3] << 16 |
mac[2] << 24;
cmd.req.arg[5] = mac[1] | mac[0] << 8;
}
if (vp->vlan_mode == QLC_PVID_MODE) {
cmd.req.arg[2] |= BIT_6;
cmd.req.arg[3] |= vp->pvid << 8;
}
err = qlcnic_issue_cmd(adapter, &cmd);
if (err)
dev_err(&adapter->pdev->dev, "Failed to set ACL, err=%d\n",
err);
qlcnic_free_mbx_args(&cmd);
return err;
}
static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter,
u16 func)
{
struct qlcnic_info defvp_info;
int err;
err = qlcnic_sriov_pf_cal_res_limit(adapter, &defvp_info, func);
if (err)
return -EIO;
err = qlcnic_sriov_set_vf_acl(adapter, func);
if (err)
return err;
return 0;
}
static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_vport *vp = vf->vp;
struct qlcnic_adapter *adapter;
struct qlcnic_sriov *sriov;
u16 func = vf->pci_func;
size_t size;
int err;
adapter = vf->adapter;
sriov = adapter->ahw->sriov;
if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) {
err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
if (!err) {
err = qlcnic_sriov_set_vf_vport_info(adapter, func);
if (err)
qlcnic_sriov_pf_config_vport(adapter, 0, func);
}
} else {
if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) {
size = sizeof(*vf->sriov_vlans);
size = size * sriov->num_allowed_vlans;
memset(vf->sriov_vlans, 0, size);
}
err = qlcnic_sriov_pf_config_vport(adapter, 0, func);
}
if (err)
goto err_out;
cmd->rsp.arg[0] |= (1 << 25);
if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT)
set_bit(QLC_BC_VF_STATE, &vf->state);
else
clear_bit(QLC_BC_VF_STATE, &vf->state);
return err;
err_out:
cmd->rsp.arg[0] |= (2 << 25);
return err;
}
static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf,
u16 vlan, u8 op)
{
struct qlcnic_cmd_args *cmd;
struct qlcnic_macvlan_mbx mv;
struct qlcnic_vport *vp;
u8 *addr;
int err;
u32 *buf;
int vpid;
vp = vf->vp;
cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
if (!cmd)
return -ENOMEM;
err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN);
if (err)
goto free_cmd;
cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
if (vpid < 0) {
err = -EINVAL;
goto free_args;
}
if (vlan)
op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL);
cmd->req.arg[1] = op | (1 << 8) | (3 << 6);
cmd->req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31;
addr = vp->mac;
mv.vlan = vlan;
mv.mac_addr0 = addr[0];
mv.mac_addr1 = addr[1];
mv.mac_addr2 = addr[2];
mv.mac_addr3 = addr[3];
mv.mac_addr4 = addr[4];
mv.mac_addr5 = addr[5];
buf = &cmd->req.arg[2];
memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
err = qlcnic_issue_cmd(adapter, cmd);
if (!err)
return err;
free_args:
qlcnic_free_mbx_args(cmd);
free_cmd:
kfree(cmd);
return err;
}
static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd)
{
if ((cmd->req.arg[0] >> 29) != 0x3)
return -EINVAL;
return 0;
}
static void qlcnic_83xx_cfg_default_mac_vlan(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf,
int opcode)
{
struct qlcnic_sriov *sriov;
u16 vlan;
int i;
sriov = adapter->ahw->sriov;
spin_lock_bh(&vf->vlan_list_lock);
if (vf->num_vlan) {
for (i = 0; i < sriov->num_allowed_vlans; i++) {
vlan = vf->sriov_vlans[i];
if (vlan)
qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan,
opcode);
}
}
spin_unlock_bh(&vf->vlan_list_lock);
if (vf->vp->vlan_mode != QLC_PVID_MODE) {
if (qlcnic_83xx_pf_check(adapter) &&
qlcnic_sriov_check_any_vlan(vf))
return;
qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0, opcode);
}
}
static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = tran->vf;
struct qlcnic_adapter *adapter = vf->adapter;
struct qlcnic_rcv_mbx_out *mbx_out;
int err;
err = qlcnic_sriov_validate_create_rx_ctx(cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
cmd->req.arg[6] = vf->vp->handle;
err = qlcnic_issue_cmd(adapter, cmd);
if (!err) {
mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1];
vf->rx_ctx_id = mbx_out->ctx_id;
qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_ADD);
} else {
vf->rx_ctx_id = 0;
}
return err;
}
static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
u8 type, *mac;
type = cmd->req.arg[1];
switch (type) {
case QLCNIC_SET_STATION_MAC:
case QLCNIC_SET_FAC_DEF_MAC:
cmd->rsp.arg[0] = (2 << 25);
break;
case QLCNIC_GET_CURRENT_MAC:
cmd->rsp.arg[0] = (1 << 25);
mac = vf->vp->mac;
cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00);
cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) |
((mac[3]) << 16 & 0xff0000) |
((mac[2]) << 24 & 0xff000000);
}
return 0;
}
static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd)
{
if ((cmd->req.arg[0] >> 29) != 0x3)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
struct qlcnic_tx_mbx_out *mbx_out;
int err;
err = qlcnic_sriov_validate_create_tx_ctx(cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
cmd->req.arg[5] |= vf->vp->handle << 16;
err = qlcnic_issue_cmd(adapter, cmd);
if (!err) {
mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2];
vf->tx_ctx_id = mbx_out->ctx_id;
} else {
vf->tx_ctx_id = 0;
}
return err;
}
static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if ((cmd->req.arg[0] >> 29) != 0x3)
return -EINVAL;
if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_del_rx_ctx_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
qlcnic_83xx_cfg_default_mac_vlan(adapter, vf, QLCNIC_MAC_DEL);
cmd->req.arg[1] |= vf->vp->handle << 16;
err = qlcnic_issue_cmd(adapter, cmd);
if (!err)
vf->rx_ctx_id = 0;
return err;
}
static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if ((cmd->req.arg[0] >> 29) != 0x3)
return -EINVAL;
if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
cmd->req.arg[1] |= vf->vp->handle << 16;
err = qlcnic_issue_cmd(adapter, cmd);
if (!err)
vf->tx_ctx_id = 0;
return err;
}
static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_cfg_lro(vf, cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
cmd->req.arg[1] |= vf->vp->handle << 16;
cmd->req.arg[1] |= BIT_31;
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func)
return -EINVAL;
if (!(cmd->req.arg[1] & BIT_16))
return -EINVAL;
if ((cmd->req.arg[1] & 0xff) != 0x1)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd);
if (err)
cmd->rsp.arg[0] |= (0x6 << 25);
else
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if (cmd->req.arg[1] != vf->rx_ctx_id)
return -EINVAL;
if (cmd->req.arg[2] > adapter->ahw->max_mtu)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_mtu(adapter, vf, cmd);
if (err)
cmd->rsp.arg[0] |= (0x6 << 25);
else
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if (cmd->req.arg[1] & BIT_31) {
if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func)
return -EINVAL;
} else {
cmd->req.arg[1] |= vf->vp->handle << 16;
}
return 0;
}
static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_get_nic_info(vf, cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_validate_cfg_rss(struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if (cmd->req.arg[1] != vf->rx_ctx_id)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_cfg_rss_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_cfg_rss(vf, cmd);
if (err)
cmd->rsp.arg[0] |= (0x6 << 25);
else
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
u16 ctx_id, pkts, time;
int err = -EINVAL;
u8 type;
type = cmd->req.arg[1] & QLC_INTR_COAL_TYPE_MASK;
ctx_id = cmd->req.arg[1] >> 16;
pkts = cmd->req.arg[2] & 0xffff;
time = cmd->req.arg[2] >> 16;
switch (type) {
case QLCNIC_INTR_COAL_TYPE_RX:
if (ctx_id != vf->rx_ctx_id || pkts > coal->rx_packets ||
time < coal->rx_time_us)
goto err_label;
break;
case QLCNIC_INTR_COAL_TYPE_TX:
if (ctx_id != vf->tx_ctx_id || pkts > coal->tx_packets ||
time < coal->tx_time_us)
goto err_label;
break;
default:
netdev_err(adapter->netdev, "Invalid coalescing type 0x%x received\n",
type);
return err;
}
return 0;
err_label:
netdev_err(adapter->netdev, "Expected: rx_ctx_id 0x%x rx_packets 0x%x rx_time_us 0x%x tx_ctx_id 0x%x tx_packets 0x%x tx_time_us 0x%x\n",
vf->rx_ctx_id, coal->rx_packets, coal->rx_time_us,
vf->tx_ctx_id, coal->tx_packets, coal->tx_time_us);
netdev_err(adapter->netdev, "Received: ctx_id 0x%x packets 0x%x time_us 0x%x type 0x%x\n",
ctx_id, pkts, time, type);
return err;
}
static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = tran->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vport *vp = vf->vp;
u8 op, new_op;
if (!(cmd->req.arg[1] & BIT_8))
return -EINVAL;
cmd->req.arg[1] |= (vf->vp->handle << 16);
cmd->req.arg[1] |= BIT_31;
if (vp->vlan_mode == QLC_PVID_MODE) {
op = cmd->req.arg[1] & 0x7;
cmd->req.arg[1] &= ~0x7;
new_op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
cmd->req.arg[3] |= vp->pvid << 16;
cmd->req.arg[1] |= new_op;
}
return 0;
}
static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
return -EINVAL;
return 0;
}
static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
err = qlcnic_sriov_validate_linkevent(vf, cmd);
if (err) {
cmd->rsp.arg[0] |= (0x6 << 25);
return err;
}
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_adapter *adapter = vf->adapter;
int err;
cmd->req.arg[1] |= vf->vp->handle << 16;
cmd->req.arg[1] |= BIT_31;
err = qlcnic_issue_cmd(adapter, cmd);
return err;
}
static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = trans->vf;
struct qlcnic_vport *vp = vf->vp;
u8 mode = vp->vlan_mode;
struct qlcnic_adapter *adapter;
struct qlcnic_sriov *sriov;
adapter = vf->adapter;
sriov = adapter->ahw->sriov;
cmd->rsp.arg[0] |= 1 << 25;
/* For 84xx adapter in case of PVID , PFD should send vlan mode as
* QLC_NO_VLAN_MODE to VFD which is zero in mailbox response
*/
if (qlcnic_84xx_check(adapter) && mode == QLC_PVID_MODE)
return 0;
switch (mode) {
case QLC_GUEST_VLAN_MODE:
cmd->rsp.arg[1] = mode | 1 << 8;
cmd->rsp.arg[2] = sriov->num_allowed_vlans << 16;
break;
case QLC_PVID_MODE:
cmd->rsp.arg[1] = mode | 1 << 8 | vp->pvid << 16;
break;
}
return 0;
}
static int qlcnic_sriov_pf_del_guest_vlan(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
u16 vlan;
if (!qlcnic_sriov_check_any_vlan(vf))
return -EINVAL;
vlan = cmd->req.arg[1] >> 16;
if (!vf->rx_ctx_id) {
qlcnic_sriov_del_vlan_id(sriov, vf, vlan);
return 0;
}
qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_DEL);
qlcnic_sriov_del_vlan_id(sriov, vf, vlan);
if (qlcnic_83xx_pf_check(adapter))
qlcnic_sriov_cfg_vf_def_mac(adapter, vf,
0, QLCNIC_MAC_ADD);
return 0;
}
static int qlcnic_sriov_pf_add_guest_vlan(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
int err = -EIO;
u16 vlan;
if (qlcnic_83xx_pf_check(adapter) && qlcnic_sriov_check_any_vlan(vf))
return err;
vlan = cmd->req.arg[1] >> 16;
if (!vf->rx_ctx_id) {
qlcnic_sriov_add_vlan_id(sriov, vf, vlan);
return 0;
}
if (qlcnic_83xx_pf_check(adapter)) {
err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0,
QLCNIC_MAC_DEL);
if (err)
return err;
}
err = qlcnic_sriov_cfg_vf_def_mac(adapter, vf, vlan, QLCNIC_MAC_ADD);
if (err) {
if (qlcnic_83xx_pf_check(adapter))
qlcnic_sriov_cfg_vf_def_mac(adapter, vf, 0,
QLCNIC_MAC_ADD);
return err;
}
qlcnic_sriov_add_vlan_id(sriov, vf, vlan);
return err;
}
static int qlcnic_sriov_pf_cfg_guest_vlan_cmd(struct qlcnic_bc_trans *tran,
struct qlcnic_cmd_args *cmd)
{
struct qlcnic_vf_info *vf = tran->vf;
struct qlcnic_adapter *adapter = vf->adapter;
struct qlcnic_vport *vp = vf->vp;
int err = -EIO;
u8 op;
if (vp->vlan_mode != QLC_GUEST_VLAN_MODE) {
cmd->rsp.arg[0] |= 2 << 25;
return err;
}
op = cmd->req.arg[1] & 0xf;
if (op)
err = qlcnic_sriov_pf_add_guest_vlan(adapter, vf, cmd);
else
err = qlcnic_sriov_pf_del_guest_vlan(adapter, vf, cmd);
cmd->rsp.arg[0] |= err ? 2 << 25 : 1 << 25;
return err;
}
static const int qlcnic_pf_passthru_supp_cmds[] = {
QLCNIC_CMD_GET_STATISTICS,
QLCNIC_CMD_GET_PORT_CONFIG,
QLCNIC_CMD_GET_LINK_STATUS,
QLCNIC_CMD_INIT_NIC_FUNC,
QLCNIC_CMD_STOP_NIC_FUNC,
};
static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = {
[QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd},
[QLCNIC_BC_CMD_CHANNEL_TERM] = {&qlcnic_sriov_pf_channel_cfg_cmd},
[QLCNIC_BC_CMD_GET_ACL] = {&qlcnic_sriov_pf_get_acl_cmd},
[QLCNIC_BC_CMD_CFG_GUEST_VLAN] = {&qlcnic_sriov_pf_cfg_guest_vlan_cmd},
};
static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = {
{QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd},
{QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd},
{QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd},
{QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd},
{QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd},
{QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd},
{QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd},
{QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd},
{QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd},
{QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd},
{QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd},
{QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd},
{QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd},
{QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd},
{QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd},
};
void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter,
struct qlcnic_bc_trans *trans,
struct qlcnic_cmd_args *cmd)
{
u8 size, cmd_op;
cmd_op = trans->req_hdr->cmd_op;
if (trans->req_hdr->op_type == QLC_BC_CMD) {
size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr);
if (cmd_op < size) {
qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd);
return;
}
} else {
int i;
size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr);
for (i = 0; i < size; i++) {
if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) {
qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd);
return;
}
}
size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds);
for (i = 0; i < size; i++) {
if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) {
qlcnic_issue_cmd(adapter, cmd);
return;
}
}
}
cmd->rsp.arg[0] |= (0x9 << 25);
}
void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
u32 *int_id)
{
u16 vpid;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
adapter->ahw->pci_func);
*int_id |= vpid;
}
void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
u32 *int_id)
{
u16 vpid;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
adapter->ahw->pci_func);
*int_id |= vpid << 16;
}
void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
u32 *int_id)
{
int vpid;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
adapter->ahw->pci_func);
*int_id |= vpid << 16;
}
void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
u32 *int_id)
{
u16 vpid;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
adapter->ahw->pci_func);
*int_id |= vpid << 16;
}
void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter,
u32 *int_id)
{
u16 vpid;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
adapter->ahw->pci_func);
*int_id |= (vpid << 16) | BIT_31;
}
void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
u32 *int_id)
{
u16 vpid;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
adapter->ahw->pci_func);
*int_id |= (vpid << 16) | BIT_31;
}
void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
u32 *int_id)
{
u16 vpid;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
adapter->ahw->pci_func);
*int_id |= (vpid << 16) | BIT_31;
}
static void qlcnic_sriov_del_rx_ctx(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf)
{
struct qlcnic_cmd_args cmd;
int vpid;
if (!vf->rx_ctx_id)
return;
if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
return;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
if (vpid >= 0) {
cmd.req.arg[1] = vf->rx_ctx_id | (vpid & 0xffff) << 16;
if (qlcnic_issue_cmd(adapter, &cmd))
dev_err(&adapter->pdev->dev,
"Failed to delete Tx ctx in firmware for func 0x%x\n",
vf->pci_func);
else
vf->rx_ctx_id = 0;
}
qlcnic_free_mbx_args(&cmd);
}
static void qlcnic_sriov_del_tx_ctx(struct qlcnic_adapter *adapter,
struct qlcnic_vf_info *vf)
{
struct qlcnic_cmd_args cmd;
int vpid;
if (!vf->tx_ctx_id)
return;
if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
return;
vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
if (vpid >= 0) {
cmd.req.arg[1] |= vf->tx_ctx_id | (vpid & 0xffff) << 16;
if (qlcnic_issue_cmd(adapter, &cmd))
dev_err(&adapter->pdev->dev,
"Failed to delete Tx ctx in firmware for func 0x%x\n",
vf->pci_func);
else
vf->tx_ctx_id = 0;
}
qlcnic_free_mbx_args(&cmd);
}
static int qlcnic_sriov_add_act_list_irqsave(struct qlcnic_sriov *sriov,
struct qlcnic_vf_info *vf,
struct qlcnic_bc_trans *trans)
{
struct qlcnic_trans_list *t_list = &vf->rcv_act;
unsigned long flag;
spin_lock_irqsave(&t_list->lock, flag);
__qlcnic_sriov_add_act_list(sriov, vf, trans);
spin_unlock_irqrestore(&t_list->lock, flag);
return 0;
}
static void __qlcnic_sriov_process_flr(struct qlcnic_vf_info *vf)
{
struct qlcnic_adapter *adapter = vf->adapter;
qlcnic_sriov_cleanup_list(&vf->rcv_pend);
cancel_work_sync(&vf->trans_work);
qlcnic_sriov_cleanup_list(&vf->rcv_act);
if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
qlcnic_sriov_del_tx_ctx(adapter, vf);
qlcnic_sriov_del_rx_ctx(adapter, vf);
}
qlcnic_sriov_pf_config_vport(adapter, 0, vf->pci_func);
clear_bit(QLC_BC_VF_FLR, &vf->state);
if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
qlcnic_sriov_add_act_list_irqsave(adapter->ahw->sriov, vf,
vf->flr_trans);
clear_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
vf->flr_trans = NULL;
}
}
static void qlcnic_sriov_pf_process_flr(struct work_struct *work)
{
struct qlcnic_vf_info *vf;
vf = container_of(work, struct qlcnic_vf_info, flr_work);
__qlcnic_sriov_process_flr(vf);
return;
}
static void qlcnic_sriov_schedule_flr(struct qlcnic_sriov *sriov,
struct qlcnic_vf_info *vf,
work_func_t func)
{
if (test_bit(__QLCNIC_RESETTING, &vf->adapter->state))
return;
INIT_WORK(&vf->flr_work, func);
queue_work(sriov->bc.bc_flr_wq, &vf->flr_work);
}
static void qlcnic_sriov_handle_soft_flr(struct qlcnic_adapter *adapter,
struct qlcnic_bc_trans *trans,
struct qlcnic_vf_info *vf)
{
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
set_bit(QLC_BC_VF_FLR, &vf->state);
clear_bit(QLC_BC_VF_STATE, &vf->state);
set_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
vf->flr_trans = trans;
qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
netdev_info(adapter->netdev, "Software FLR for PCI func %d\n",
vf->pci_func);
}
bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
struct qlcnic_bc_trans *trans,
struct qlcnic_vf_info *vf)
{
struct qlcnic_bc_hdr *hdr = trans->req_hdr;
if ((hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) &&
(hdr->op_type == QLC_BC_CMD) &&
test_bit(QLC_BC_VF_STATE, &vf->state)) {
qlcnic_sriov_handle_soft_flr(adapter, trans, vf);
return true;
}
return false;
}
void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
struct qlcnic_vf_info *vf)
{
struct net_device *dev = vf->adapter->netdev;
struct qlcnic_vport *vp = vf->vp;
if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) {
clear_bit(QLC_BC_VF_FLR, &vf->state);
return;
}
if (test_and_set_bit(QLC_BC_VF_FLR, &vf->state)) {
netdev_info(dev, "FLR for PCI func %d in progress\n",
vf->pci_func);
return;
}
if (vp->vlan_mode == QLC_GUEST_VLAN_MODE)
memset(vf->sriov_vlans, 0,
sizeof(*vf->sriov_vlans) * sriov->num_allowed_vlans);
qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func);
}
void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_sriov *sriov = ahw->sriov;
struct qlcnic_vf_info *vf;
u16 num_vfs = sriov->num_vfs;
int i;
for (i = 0; i < num_vfs; i++) {
vf = &sriov->vf_info[i];
vf->rx_ctx_id = 0;
vf->tx_ctx_id = 0;
cancel_work_sync(&vf->flr_work);
__qlcnic_sriov_process_flr(vf);
clear_bit(QLC_BC_VF_STATE, &vf->state);
}
qlcnic_sriov_pf_reset_vport_handle(adapter, ahw->pci_func);
QLCWRX(ahw, QLCNIC_MBX_INTR_ENBL, (ahw->num_msix - 1) << 8);
}
int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
{
struct qlcnic_hardware_context *ahw = adapter->ahw;
int err;
if (!qlcnic_sriov_enable_check(adapter))
return 0;
ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
err = qlcnic_sriov_pf_init(adapter);
if (err)
return err;
dev_info(&adapter->pdev->dev, "%s: op_mode %d\n",
__func__, ahw->op_mode);
return err;
}
int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
int i, num_vfs;
struct qlcnic_vf_info *vf_info;
u8 *curr_mac;
if (!qlcnic_sriov_pf_check(adapter))
return -EOPNOTSUPP;
num_vfs = sriov->num_vfs;
if (!is_valid_ether_addr(mac) || vf >= num_vfs)
return -EINVAL;
if (ether_addr_equal(adapter->mac_addr, mac)) {
netdev_err(netdev, "MAC address is already in use by the PF\n");
return -EINVAL;
}
for (i = 0; i < num_vfs; i++) {
vf_info = &sriov->vf_info[i];
if (ether_addr_equal(vf_info->vp->mac, mac)) {
netdev_err(netdev,
"MAC address is already in use by VF %d\n",
i);
return -EINVAL;
}
}
vf_info = &sriov->vf_info[vf];
curr_mac = vf_info->vp->mac;
if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
netdev_err(netdev,
"MAC address change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
vf);
return -EOPNOTSUPP;
}
memcpy(curr_mac, mac, netdev->addr_len);
netdev_info(netdev, "MAC Address %pM is configured for VF %d\n",
mac, vf);
return 0;
}
int qlcnic_sriov_set_vf_tx_rate(struct net_device *netdev, int vf,
int min_tx_rate, int max_tx_rate)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_vf_info *vf_info;
struct qlcnic_info nic_info;
struct qlcnic_vport *vp;
u16 vpid;
if (!qlcnic_sriov_pf_check(adapter))
return -EOPNOTSUPP;
if (vf >= sriov->num_vfs)
return -EINVAL;
vf_info = &sriov->vf_info[vf];
vp = vf_info->vp;
vpid = vp->handle;
if (!min_tx_rate)
min_tx_rate = QLC_VF_MIN_TX_RATE;
if (max_tx_rate && max_tx_rate >= 10000) {
netdev_err(netdev,
"Invalid max Tx rate, allowed range is [%d - %d]",
min_tx_rate, QLC_VF_MAX_TX_RATE);
return -EINVAL;
}
if (!max_tx_rate)
max_tx_rate = 10000;
if (min_tx_rate && min_tx_rate < QLC_VF_MIN_TX_RATE) {
netdev_err(netdev,
"Invalid min Tx rate, allowed range is [%d - %d]",
QLC_VF_MIN_TX_RATE, max_tx_rate);
return -EINVAL;
}
if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
if (qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, vpid))
return -EIO;
nic_info.max_tx_bw = max_tx_rate / 100;
nic_info.min_tx_bw = min_tx_rate / 100;
nic_info.bit_offsets = BIT_0;
if (qlcnic_sriov_pf_set_vport_info(adapter, &nic_info, vpid))
return -EIO;
}
vp->max_tx_bw = max_tx_rate / 100;
netdev_info(netdev,
"Setting Max Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n",
max_tx_rate, vp->max_tx_bw, vf);
vp->min_tx_bw = min_tx_rate / 100;
netdev_info(netdev,
"Setting Min Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n",
min_tx_rate, vp->min_tx_bw, vf);
return 0;
}
int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf,
u16 vlan, u8 qos, __be16 vlan_proto)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_vf_info *vf_info;
struct qlcnic_vport *vp;
if (!qlcnic_sriov_pf_check(adapter))
return -EOPNOTSUPP;
if (vf >= sriov->num_vfs || qos > 7)
return -EINVAL;
if (vlan_proto != htons(ETH_P_8021Q))
return -EPROTONOSUPPORT;
if (vlan > MAX_VLAN_ID) {
netdev_err(netdev,
"Invalid VLAN ID, allowed range is [0 - %d]\n",
MAX_VLAN_ID);
return -EINVAL;
}
vf_info = &sriov->vf_info[vf];
vp = vf_info->vp;
if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
netdev_err(netdev,
"VLAN change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
vf);
return -EOPNOTSUPP;
}
memset(vf_info->sriov_vlans, 0,
sizeof(*vf_info->sriov_vlans) * sriov->num_allowed_vlans);
switch (vlan) {
case 4095:
vp->vlan_mode = QLC_GUEST_VLAN_MODE;
break;
case 0:
vp->vlan_mode = QLC_NO_VLAN_MODE;
vp->qos = 0;
break;
default:
vp->vlan_mode = QLC_PVID_MODE;
qlcnic_sriov_add_vlan_id(sriov, vf_info, vlan);
vp->qos = qos;
vp->pvid = vlan;
}
netdev_info(netdev, "Setting VLAN %d, QoS %d, for VF %d\n",
vlan, qos, vf);
return 0;
}
static __u32 qlcnic_sriov_get_vf_vlan(struct qlcnic_adapter *adapter,
struct qlcnic_vport *vp, int vf)
{
__u32 vlan = 0;
switch (vp->vlan_mode) {
case QLC_PVID_MODE:
vlan = vp->pvid;
break;
case QLC_GUEST_VLAN_MODE:
vlan = MAX_VLAN_ID;
break;
case QLC_NO_VLAN_MODE:
vlan = 0;
break;
default:
netdev_info(adapter->netdev, "Invalid VLAN mode = %d for VF %d\n",
vp->vlan_mode, vf);
}
return vlan;
}
int qlcnic_sriov_get_vf_config(struct net_device *netdev,
int vf, struct ifla_vf_info *ivi)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_vport *vp;
if (!qlcnic_sriov_pf_check(adapter))
return -EOPNOTSUPP;
if (vf >= sriov->num_vfs)
return -EINVAL;
vp = sriov->vf_info[vf].vp;
memcpy(&ivi->mac, vp->mac, ETH_ALEN);
ivi->vlan = qlcnic_sriov_get_vf_vlan(adapter, vp, vf);
ivi->qos = vp->qos;
ivi->spoofchk = vp->spoofchk;
if (vp->max_tx_bw == MAX_BW)
ivi->max_tx_rate = 0;
else
ivi->max_tx_rate = vp->max_tx_bw * 100;
if (vp->min_tx_bw == MIN_BW)
ivi->min_tx_rate = 0;
else
ivi->min_tx_rate = vp->min_tx_bw * 100;
ivi->vf = vf;
return 0;
}
int qlcnic_sriov_set_vf_spoofchk(struct net_device *netdev, int vf, bool chk)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
struct qlcnic_vf_info *vf_info;
struct qlcnic_vport *vp;
if (!qlcnic_sriov_pf_check(adapter))
return -EOPNOTSUPP;
if (vf >= sriov->num_vfs)
return -EINVAL;
vf_info = &sriov->vf_info[vf];
vp = vf_info->vp;
if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
netdev_err(netdev,
"Spoof check change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
vf);
return -EOPNOTSUPP;
}
vp->spoofchk = chk;
return 0;
}
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