iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

octeon_ep_vf: add VF-PF mailbox communication.

Browse Source 
Implement VF-PF mailbox to send all control commands from VF to PF
and receive responses and notifications from PF to VF.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shinas Rasheed 2023-12-23 05:39:55 -08:00 committed by David S. Miller
parent 5f8c64c234
commit db468f92c3
4 changed files with 581 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

103
drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c
View File

@ -187,6 +187,19 @@ static netdev_tx_t octep_vf_start_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
}
int octep_vf_get_link_info(struct octep_vf_device *oct)
{
int ret, size;
ret = octep_vf_mbox_bulk_read(oct, OCTEP_PFVF_MBOX_CMD_GET_LINK_INFO,
(u8 *)&oct->link_info, &size);
if (ret) {
dev_err(&oct->pdev->dev, "Get VF link info failed via VF Mbox\n");
return ret;
}
return 0;
}
/**
* octep_vf_tx_timeout_task - work queue task to Handle Tx queue timeout.
*
@ -225,11 +238,84 @@ static void octep_vf_tx_timeout(struct net_device *netdev, unsigned int txqueue)
queue_work(octep_vf_wq, &oct->tx_timeout_task);
}
static int octep_vf_set_mac(struct net_device *netdev, void *p)
{
struct octep_vf_device *oct = netdev_priv(netdev);
struct sockaddr *addr = (struct sockaddr *)p;
int err;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
err = octep_vf_mbox_set_mac_addr(oct, addr->sa_data);
if (err)
return err;
memcpy(oct->mac_addr, addr->sa_data, ETH_ALEN);
eth_hw_addr_set(netdev, addr->sa_data);
return 0;
}
static int octep_vf_change_mtu(struct net_device *netdev, int new_mtu)
{
struct octep_vf_device *oct = netdev_priv(netdev);
struct octep_vf_iface_link_info *link_info;
int err;
link_info = &oct->link_info;
if (link_info->mtu == new_mtu)
return 0;
err = octep_vf_mbox_set_mtu(oct, new_mtu);
if (!err) {
oct->link_info.mtu = new_mtu;
netdev->mtu = new_mtu;
}
return err;
}
static int octep_vf_set_features(struct net_device *netdev,
netdev_features_t features)
{
struct octep_vf_device *oct = netdev_priv(netdev);
u16 rx_offloads = 0, tx_offloads = 0;
int err;
/* We only support features received from firmware */
if ((features & netdev->hw_features) != features)
return -EINVAL;
if (features & NETIF_F_TSO)
tx_offloads |= OCTEP_VF_TX_OFFLOAD_TSO;
if (features & NETIF_F_TSO6)
tx_offloads |= OCTEP_VF_TX_OFFLOAD_TSO;
if (features & NETIF_F_IP_CSUM)
tx_offloads |= OCTEP_VF_TX_OFFLOAD_CKSUM;
if (features & NETIF_F_IPV6_CSUM)
tx_offloads |= OCTEP_VF_TX_OFFLOAD_CKSUM;
if (features & NETIF_F_RXCSUM)
rx_offloads |= OCTEP_VF_RX_OFFLOAD_CKSUM;
err = octep_vf_mbox_set_offloads(oct, tx_offloads, rx_offloads);
if (!err)
netdev->features = features;
return err;
}
static const struct net_device_ops octep_vf_netdev_ops = {
.ndo_open = octep_vf_open,
.ndo_stop = octep_vf_stop,
.ndo_start_xmit = octep_vf_start_xmit,
.ndo_tx_timeout = octep_vf_tx_timeout,
.ndo_set_mac_address = octep_vf_set_mac,
.ndo_change_mtu = octep_vf_change_mtu,
.ndo_set_features = octep_vf_set_features,
};
static const char *octep_vf_devid_to_str(struct octep_vf_device *oct)
@ -411,11 +497,28 @@ static int octep_vf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_mbox_version;
}
if (octep_vf_mbox_get_fw_info(octep_vf_dev)) {
dev_err(&pdev->dev, "unable to get fw info\n");
err = -EINVAL;
goto err_mbox_version;
}
netdev->hw_features = NETIF_F_SG;
if (OCTEP_VF_TX_IP_CSUM(octep_vf_dev->fw_info.tx_ol_flags))
netdev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
if (OCTEP_VF_RX_IP_CSUM(octep_vf_dev->fw_info.rx_ol_flags))
netdev->hw_features |= NETIF_F_RXCSUM;
netdev->min_mtu = OCTEP_VF_MIN_MTU;
netdev->max_mtu = OCTEP_VF_MAX_MTU;
netdev->mtu = OCTEP_VF_DEFAULT_MTU;
if (OCTEP_VF_TX_TSO(octep_vf_dev->fw_info.tx_ol_flags)) {
netdev->hw_features |= NETIF_F_TSO;
netif_set_tso_max_size(netdev, netdev->max_mtu);
}
netdev->features |= netdev->hw_features;
octep_vf_get_mac_addr(octep_vf_dev, octep_vf_dev->mac_addr);
eth_hw_addr_set(netdev, octep_vf_dev->mac_addr);

1
drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.h
View File

@ -331,6 +331,7 @@ void octep_vf_device_setup_cn93(struct octep_vf_device *oct);
void octep_vf_device_setup_cnxk(struct octep_vf_device *oct);
int octep_vf_iq_process_completions(struct octep_vf_iq *iq, u16 budget);
int octep_vf_oq_process_rx(struct octep_vf_oq *oq, int budget);
int octep_vf_get_link_info(struct octep_vf_device *oct);
int octep_vf_get_if_stats(struct octep_vf_device *oct);
void octep_vf_mbox_work(struct work_struct *work);
#endif /* _OCTEP_VF_MAIN_H_ */

336
drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.c
View File

@ -10,6 +10,15 @@
#include "octep_vf_config.h"
#include "octep_vf_main.h"
/* When a new command is implemented, the below table should be updated
* with new command and it's version info.
*/
static u32 pfvf_cmd_versions[OCTEP_PFVF_MBOX_CMD_MAX] = {
[0 ... OCTEP_PFVF_MBOX_CMD_DEV_REMOVE] = OCTEP_PFVF_MBOX_VERSION_V1,
[OCTEP_PFVF_MBOX_CMD_GET_FW_INFO ... OCTEP_PFVF_MBOX_NOTIF_LINK_STATUS] =
OCTEP_PFVF_MBOX_VERSION_V2
};
int octep_vf_setup_mbox(struct octep_vf_device *oct)
{
int ring = 0;
@ -23,6 +32,7 @@ int octep_vf_setup_mbox(struct octep_vf_device *oct)
oct->hw_ops.setup_mbox_regs(oct, ring);
INIT_WORK(&oct->mbox->wk.work, octep_vf_mbox_work);
oct->mbox->wk.ctxptr = oct;
oct->mbox_neg_ver = OCTEP_PFVF_MBOX_VERSION_CURRENT;
dev_info(&oct->pdev->dev, "setup vf mbox successfully\n");
return 0;
}
@ -42,55 +52,379 @@ void octep_vf_delete_mbox(struct octep_vf_device *oct)
int octep_vf_mbox_version_check(struct octep_vf_device *oct)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int ret;
cmd.u64 = 0;
cmd.s_version.opcode = OCTEP_PFVF_MBOX_CMD_VERSION;
cmd.s_version.version = OCTEP_PFVF_MBOX_VERSION_CURRENT;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret == OCTEP_PFVF_MBOX_CMD_STATUS_NACK) {
dev_err(&oct->pdev->dev,
"VF Mbox version is incompatible with PF\n");
return -EINVAL;
}
oct->mbox_neg_ver = (u32)rsp.s_version.version;
dev_dbg(&oct->pdev->dev,
"VF Mbox version:%u Negotiated VF version with PF:%u\n",
(u32)cmd.s_version.version,
(u32)rsp.s_version.version);
return 0;
}
void octep_vf_mbox_work(struct work_struct *work)
{
struct octep_vf_mbox_wk *wk = container_of(work, struct octep_vf_mbox_wk, work);
struct octep_vf_iface_link_info *link_info;
struct octep_vf_device *oct = NULL;
struct octep_vf_mbox *mbox = NULL;
union octep_pfvf_mbox_word *notif;
u64 pf_vf_data;
oct = (struct octep_vf_device *)wk->ctxptr;
link_info = &oct->link_info;
mbox = oct->mbox;
pf_vf_data = readq(mbox->mbox_read_reg);
notif = (union octep_pfvf_mbox_word *)&pf_vf_data;
switch (notif->s.opcode) {
case OCTEP_PFVF_MBOX_NOTIF_LINK_STATUS:
if (notif->s_link_status.status) {
link_info->oper_up = OCTEP_PFVF_LINK_STATUS_UP;
netif_carrier_on(oct->netdev);
dev_info(&oct->pdev->dev, "netif_carrier_on\n");
} else {
link_info->oper_up = OCTEP_PFVF_LINK_STATUS_DOWN;
netif_carrier_off(oct->netdev);
dev_info(&oct->pdev->dev, "netif_carrier_off\n");
}
break;
default:
dev_err(&oct->pdev->dev,
"Received unsupported notif %d\n", notif->s.opcode);
break;
}
}
static int __octep_vf_mbox_send_cmd(struct octep_vf_device *oct,
union octep_pfvf_mbox_word cmd,
union octep_pfvf_mbox_word *rsp)
{
struct octep_vf_mbox *mbox = oct->mbox;
u64 reg_val = 0ull;
int count = 0;
if (!mbox)
return OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP;
cmd.s.type = OCTEP_PFVF_MBOX_TYPE_CMD;
writeq(cmd.u64, mbox->mbox_write_reg);
/* No response for notification messages */
if (!rsp)
return 0;
for (count = 0; count < OCTEP_PFVF_MBOX_TIMEOUT_WAIT_COUNT; count++) {
usleep_range(1000, 1500);
reg_val = readq(mbox->mbox_write_reg);
if (reg_val != cmd.u64) {
rsp->u64 = reg_val;
break;
}
}
if (count == OCTEP_PFVF_MBOX_TIMEOUT_WAIT_COUNT) {
dev_err(&oct->pdev->dev, "mbox send command timed out\n");
return OCTEP_PFVF_MBOX_CMD_STATUS_TIMEDOUT;
}
if (rsp->s.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "mbox_send: Received NACK\n");
return OCTEP_PFVF_MBOX_CMD_STATUS_NACK;
}
rsp->u64 = reg_val;
return 0;
}
int octep_vf_mbox_send_cmd(struct octep_vf_device *oct, union octep_pfvf_mbox_word cmd,
union octep_pfvf_mbox_word *rsp)
{
struct octep_vf_mbox *mbox = oct->mbox;
int ret;
if (!mbox)
return OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP;
mutex_lock(&mbox->lock);
if (pfvf_cmd_versions[cmd.s.opcode] > oct->mbox_neg_ver) {
dev_dbg(&oct->pdev->dev, "CMD:%d not supported in Version:%d\n",
cmd.s.opcode, oct->mbox_neg_ver);
mutex_unlock(&mbox->lock);
return -EOPNOTSUPP;
}
ret = __octep_vf_mbox_send_cmd(oct, cmd, rsp);
mutex_unlock(&mbox->lock);
return ret;
}
int octep_vf_mbox_bulk_read(struct octep_vf_device *oct, enum octep_pfvf_mbox_opcode opcode,
u8 *data, int *size)
{
struct octep_vf_mbox *mbox = oct->mbox;
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int data_len = 0, tmp_len = 0;
int read_cnt, i = 0, ret;
if (!mbox)
return OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP;
mutex_lock(&mbox->lock);
cmd.u64 = 0;
cmd.s_data.opcode = opcode;
cmd.s_data.frag = 0;
/* Send cmd to read data from PF */
ret = __octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "send mbox cmd fail for data request\n");
mutex_unlock(&mbox->lock);
return ret;
}
/* PF sends the data length of requested CMD
* in ACK
*/
data_len = *((int32_t *)rsp.s_data.data);
tmp_len = data_len;
cmd.u64 = 0;
rsp.u64 = 0;
cmd.s_data.opcode = opcode;
cmd.s_data.frag = 1;
while (data_len) {
ret = __octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "send mbox cmd fail for data request\n");
mutex_unlock(&mbox->lock);
mbox->mbox_data.data_index = 0;
memset(mbox->mbox_data.recv_data, 0, OCTEP_PFVF_MBOX_MAX_DATA_BUF_SIZE);
return ret;
}
if (data_len > OCTEP_PFVF_MBOX_MAX_DATA_SIZE) {
data_len -= OCTEP_PFVF_MBOX_MAX_DATA_SIZE;
read_cnt = OCTEP_PFVF_MBOX_MAX_DATA_SIZE;
} else {
read_cnt = data_len;
data_len = 0;
}
for (i = 0; i < read_cnt; i++) {
mbox->mbox_data.recv_data[mbox->mbox_data.data_index] =
rsp.s_data.data[i];
mbox->mbox_data.data_index++;
}
cmd.u64 = 0;
rsp.u64 = 0;
cmd.s_data.opcode = opcode;
cmd.s_data.frag = 1;
}
memcpy(data, mbox->mbox_data.recv_data, tmp_len);
*size = tmp_len;
mbox->mbox_data.data_index = 0;
memset(mbox->mbox_data.recv_data, 0, OCTEP_PFVF_MBOX_MAX_DATA_BUF_SIZE);
mutex_unlock(&mbox->lock);
return 0;
}
int octep_vf_mbox_set_mtu(struct octep_vf_device *oct, int mtu)
{
int frame_size = mtu + ETH_HLEN + ETH_FCS_LEN;
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int ret = 0;
if (mtu < ETH_MIN_MTU || frame_size > ETH_MAX_MTU) {
dev_err(&oct->pdev->dev,
"Failed to set MTU to %d MIN MTU:%d MAX MTU:%d\n",
mtu, ETH_MIN_MTU, ETH_MAX_MTU);
return -EINVAL;
}
cmd.u64 = 0;
cmd.s_set_mtu.opcode = OCTEP_PFVF_MBOX_CMD_SET_MTU;
cmd.s_set_mtu.mtu = mtu;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "Mbox send failed; err=%d\n", ret);
return ret;
}
if (rsp.s_set_mtu.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "Received Mbox NACK from PF for MTU:%d\n", mtu);
return -EINVAL;
}
return 0;
}
int octep_vf_mbox_set_mac_addr(struct octep_vf_device *oct, char *mac_addr)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int i, ret;
cmd.u64 = 0;
cmd.s_set_mac.opcode = OCTEP_PFVF_MBOX_CMD_SET_MAC_ADDR;
for (i = 0; i < ETH_ALEN; i++)
cmd.s_set_mac.mac_addr[i] = mac_addr[i];
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "Mbox send failed; err = %d\n", ret);
return ret;
}
if (rsp.s_set_mac.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "received NACK\n");
return -EINVAL;
}
return 0;
}
int octep_vf_mbox_get_mac_addr(struct octep_vf_device *oct, char *mac_addr)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int i, ret;
cmd.u64 = 0;
cmd.s_set_mac.opcode = OCTEP_PFVF_MBOX_CMD_GET_MAC_ADDR;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "get_mac: mbox send failed; err = %d\n", ret);
return ret;
}
if (rsp.s_set_mac.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "get_mac: received NACK\n");
return -EINVAL;
}
for (i = 0; i < ETH_ALEN; i++)
mac_addr[i] = rsp.s_set_mac.mac_addr[i];
return 0;
}
int octep_vf_mbox_set_rx_state(struct octep_vf_device *oct, bool state)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int ret;
cmd.u64 = 0;
cmd.s_link_state.opcode = OCTEP_PFVF_MBOX_CMD_SET_RX_STATE;
cmd.s_link_state.state = state;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "Set Rx state via VF Mbox send failed\n");
return ret;
}
if (rsp.s_link_state.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "Set Rx state received NACK\n");
return -EINVAL;
}
return 0;
}
int octep_vf_mbox_set_link_status(struct octep_vf_device *oct, bool status)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int ret;
cmd.u64 = 0;
cmd.s_link_status.opcode = OCTEP_PFVF_MBOX_CMD_SET_LINK_STATUS;
cmd.s_link_status.status = status;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "Set link status via VF Mbox send failed\n");
return ret;
}
if (rsp.s_link_status.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "Set link status received NACK\n");
return -EINVAL;
}
return 0;
}
int octep_vf_mbox_get_link_status(struct octep_vf_device *oct, u8 *oper_up)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int ret;
cmd.u64 = 0;
cmd.s_link_status.opcode = OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "Get link status via VF Mbox send failed\n");
return ret;
}
if (rsp.s_link_status.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "Get link status received NACK\n");
return -EINVAL;
}
*oper_up = rsp.s_link_status.status;
return 0;
}
int octep_vf_mbox_dev_remove(struct octep_vf_device *oct)
{
return 0;
union octep_pfvf_mbox_word cmd;
int ret;
cmd.u64 = 0;
cmd.s.opcode = OCTEP_PFVF_MBOX_CMD_DEV_REMOVE;
ret = octep_vf_mbox_send_cmd(oct, cmd, NULL);
return ret;
}
int octep_vf_mbox_get_fw_info(struct octep_vf_device *oct)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int ret;
cmd.u64 = 0;
cmd.s_fw_info.opcode = OCTEP_PFVF_MBOX_CMD_GET_FW_INFO;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "Get link status via VF Mbox send failed\n");
return ret;
}
if (rsp.s_fw_info.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "Get link status received NACK\n");
return -EINVAL;
}
oct->fw_info.pkind = rsp.s_fw_info.pkind;
oct->fw_info.fsz = rsp.s_fw_info.fsz;
oct->fw_info.rx_ol_flags = rsp.s_fw_info.rx_ol_flags;
oct->fw_info.tx_ol_flags = rsp.s_fw_info.tx_ol_flags;
return 0;
}
int octep_vf_mbox_set_offloads(struct octep_vf_device *oct, u16 tx_offloads,
u16 rx_offloads)
{
union octep_pfvf_mbox_word cmd;
union octep_pfvf_mbox_word rsp;
int ret;
cmd.u64 = 0;
cmd.s_offloads.opcode = OCTEP_PFVF_MBOX_CMD_SET_OFFLOADS;
cmd.s_offloads.rx_ol_flags = rx_offloads;
cmd.s_offloads.tx_ol_flags = tx_offloads;
ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp);
if (ret) {
dev_err(&oct->pdev->dev, "Set offloads via VF Mbox send failed\n");
return ret;
}
if (rsp.s_link_state.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) {
dev_err(&oct->pdev->dev, "Set offloads received NACK\n");
return -EINVAL;
}
return 0;
}

143
drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.h
View File

@ -7,10 +7,151 @@
#ifndef _OCTEP_VF_MBOX_H_
#define _OCTEP_VF_MBOX_H_
#define OCTEP_PFVF_MBOX_MAX_DATA_BUF_SIZE 256
/* When a new command is implemented, VF Mbox version should be bumped.
*/
enum octep_pfvf_mbox_version {
OCTEP_PFVF_MBOX_VERSION_V0,
OCTEP_PFVF_MBOX_VERSION_V1,
OCTEP_PFVF_MBOX_VERSION_V2
};
#define OCTEP_PFVF_MBOX_VERSION_CURRENT OCTEP_PFVF_MBOX_VERSION_V2
enum octep_pfvf_mbox_opcode {
OCTEP_PFVF_MBOX_CMD_VERSION,
OCTEP_PFVF_MBOX_CMD_SET_MTU,
OCTEP_PFVF_MBOX_CMD_SET_MAC_ADDR,
OCTEP_PFVF_MBOX_CMD_GET_MAC_ADDR,
OCTEP_PFVF_MBOX_CMD_GET_LINK_INFO,
OCTEP_PFVF_MBOX_CMD_GET_STATS,
OCTEP_PFVF_MBOX_CMD_SET_RX_STATE,
OCTEP_PFVF_MBOX_CMD_SET_LINK_STATUS,
OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS,
OCTEP_PFVF_MBOX_CMD_GET_MTU,
OCTEP_PFVF_MBOX_CMD_DEV_REMOVE,
OCTEP_PFVF_MBOX_CMD_GET_FW_INFO,
OCTEP_PFVF_MBOX_CMD_SET_OFFLOADS,
OCTEP_PFVF_MBOX_NOTIF_LINK_STATUS,
OCTEP_PFVF_MBOX_CMD_MAX,
};
enum octep_pfvf_mbox_word_type {
OCTEP_PFVF_MBOX_TYPE_CMD,
OCTEP_PFVF_MBOX_TYPE_RSP_ACK,
OCTEP_PFVF_MBOX_TYPE_RSP_NACK,
};
enum octep_pfvf_mbox_cmd_status {
OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP = 1,
OCTEP_PFVF_MBOX_CMD_STATUS_TIMEDOUT = 2,
OCTEP_PFVF_MBOX_CMD_STATUS_NACK = 3,
OCTEP_PFVF_MBOX_CMD_STATUS_BUSY = 4,
OCTEP_PFVF_MBOX_CMD_STATUS_ERR = 5
};
enum octep_pfvf_link_status {
OCTEP_PFVF_LINK_STATUS_DOWN,
OCTEP_PFVF_LINK_STATUS_UP,
};
enum octep_pfvf_link_speed {
OCTEP_PFVF_LINK_SPEED_NONE,
OCTEP_PFVF_LINK_SPEED_1000,
OCTEP_PFVF_LINK_SPEED_10000,
OCTEP_PFVF_LINK_SPEED_25000,
OCTEP_PFVF_LINK_SPEED_40000,
OCTEP_PFVF_LINK_SPEED_50000,
OCTEP_PFVF_LINK_SPEED_100000,
OCTEP_PFVF_LINK_SPEED_LAST,
};
enum octep_pfvf_link_duplex {
OCTEP_PFVF_LINK_HALF_DUPLEX,
OCTEP_PFVF_LINK_FULL_DUPLEX,
};
enum octep_pfvf_link_autoneg {
OCTEP_PFVF_LINK_AUTONEG,
OCTEP_PFVF_LINK_FIXED,
};
#define OCTEP_PFVF_MBOX_TIMEOUT_WAIT_COUNT 8000
#define OCTEP_PFVF_MBOX_TIMEOUT_WAIT_UDELAY 1000
#define OCTEP_PFVF_MBOX_MAX_RETRIES 2
#define OCTEP_PFVF_MBOX_VERSION 0
#define OCTEP_PFVF_MBOX_MAX_DATA_SIZE 6
#define OCTEP_PFVF_MBOX_MAX_DATA_BUF_SIZE 320
#define OCTEP_PFVF_MBOX_MORE_FRAG_FLAG 1
union octep_pfvf_mbox_word {
u64 u64;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u64 data:48;
} s;
struct {
u64 opcode:8;
u64 type:2;
u64 frag:1;
u64 rsvd:5;
u8 data[6];
} s_data;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u64 version:48;
} s_version;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u8 mac_addr[6];
} s_set_mac;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u64 mtu:48;
} s_set_mtu;
struct {
u64 opcode:8;
u64 type:2;
u64 state:1;
u64 rsvd:53;
} s_link_state;
struct {
u64 opcode:8;
u64 type:2;
u64 status:1;
u64 rsvd:53;
} s_link_status;
struct {
u64 opcode:8;
u64 type:2;
u64 pkind:8;
u64 fsz:8;
u64 rx_ol_flags:16;
u64 tx_ol_flags:16;
u64 rsvd:6;
} s_fw_info;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:22;
u64 rx_ol_flags:16;
u64 tx_ol_flags:16;
} s_offloads;
} __packed;
int octep_vf_setup_mbox(struct octep_vf_device *oct);
void octep_vf_delete_mbox(struct octep_vf_device *oct);
int octep_vf_mbox_send_cmd(struct octep_vf_device *oct, union octep_pfvf_mbox_word cmd,
union octep_pfvf_mbox_word *rsp);
int octep_vf_mbox_bulk_read(struct octep_vf_device *oct, enum octep_pfvf_mbox_opcode opcode,
u8 *data, int *size);
int octep_vf_mbox_set_mtu(struct octep_vf_device *oct, int mtu);
int octep_vf_mbox_set_mac_addr(struct octep_vf_device *oct, char *mac_addr);
int octep_vf_mbox_get_mac_addr(struct octep_vf_device *oct, char *mac_addr);