void fjes_hw_raise_epstop(struct fjes_hw *hw)
{
enum ep_partner_status status;
int epidx;
for (epidx = 0; epidx < hw->max_epid; epidx++) {
if (epidx == hw->my_epid)
continue;
status = fjes_hw_get_partner_ep_status(hw, epidx);
switch (status) {
case EP_PARTNER_SHARED:
fjes_hw_raise_interrupt(hw, epidx,
REG_ICTL_MASK_TXRX_STOP_REQ);
break;
default:
break;
}
set_bit(epidx, &hw->hw_info.buffer_unshare_reserve_bit);
set_bit(epidx, &hw->txrx_stop_req_bit);
hw->ep_shm_info[epidx].tx.info->v1i.rx_status |=
FJES_RX_STOP_REQ_REQUEST;
}
}
static void fjes_raise_intr_rxdata_task(struct work_struct *work)
{
struct fjes_adapter *adapter = container_of(work,
struct fjes_adapter, raise_intr_rxdata_task);
struct fjes_hw *hw = &adapter->hw;
enum ep_partner_status pstatus;
int max_epid, my_epid, epid;
my_epid = hw->my_epid;
max_epid = hw->max_epid;
for (epid = 0; epid < max_epid; epid++)
hw->ep_shm_info[epid].tx_status_work = 0;
for (epid = 0; epid < max_epid; epid++) {
if (epid == my_epid)
continue;
pstatus = fjes_hw_get_partner_ep_status(hw, epid);
if (pstatus == EP_PARTNER_SHARED) {
hw->ep_shm_info[epid].tx_status_work =
hw->ep_shm_info[epid].tx.info->v1i.tx_status;
if (hw->ep_shm_info[epid].tx_status_work ==
FJES_TX_DELAY_SEND_PENDING) {
hw->ep_shm_info[epid].tx.info->v1i.tx_status =
FJES_TX_DELAY_SEND_NONE;
}
}
}
for (epid = 0; epid < max_epid; epid++) {
if (epid == my_epid)
continue;
pstatus = fjes_hw_get_partner_ep_status(hw, epid);
if ((hw->ep_shm_info[epid].tx_status_work ==
FJES_TX_DELAY_SEND_PENDING) &&
(pstatus == EP_PARTNER_SHARED) &&
!(hw->ep_shm_info[epid].rx.info->v1i.rx_status &
FJES_RX_POLL_WORK)) {
fjes_hw_raise_interrupt(hw, epid,
REG_ICTL_MASK_RX_DATA);
hw->ep_shm_info[epid].ep_stats.send_intr_rx += 1;
}
}
usleep_range(500, 1000);
}
static void fjes_hw_update_zone_task(struct work_struct *work)
{
struct fjes_hw *hw = container_of(work,
struct fjes_hw, update_zone_task);
struct my_s {u8 es_status; u8 zone; } *info;
union fjes_device_command_res *res_buf;
enum ep_partner_status pstatus;
struct fjes_adapter *adapter;
struct net_device *netdev;
ulong unshare_bit = 0;
ulong share_bit = 0;
ulong irq_bit = 0;
int epidx;
int ret;
adapter = (struct fjes_adapter *)hw->back;
netdev = adapter->netdev;
res_buf = hw->hw_info.res_buf;
info = (struct my_s *)&res_buf->info.info;
mutex_lock(&hw->hw_info.lock);
ret = fjes_hw_request_info(hw);
switch (ret) {
case -ENOMSG:
case -EBUSY:
default:
if (!work_pending(&adapter->force_close_task)) {
adapter->force_reset = true;
schedule_work(&adapter->force_close_task);
}
break;
case 0:
for (epidx = 0; epidx < hw->max_epid; epidx++) {
if (epidx == hw->my_epid) {
hw->ep_shm_info[epidx].es_status =
info[epidx].es_status;
hw->ep_shm_info[epidx].zone =
info[epidx].zone;
continue;
}
pstatus = fjes_hw_get_partner_ep_status(hw, epidx);
switch (pstatus) {
case EP_PARTNER_UNSHARE:
default:
if ((info[epidx].zone !=
FJES_ZONING_ZONE_TYPE_NONE) &&
(info[epidx].es_status ==
FJES_ZONING_STATUS_ENABLE) &&
(info[epidx].zone ==
info[hw->my_epid].zone))
set_bit(epidx, &share_bit);
else
set_bit(epidx, &unshare_bit);
break;
case EP_PARTNER_COMPLETE:
case EP_PARTNER_WAITING:
if ((info[epidx].zone ==
FJES_ZONING_ZONE_TYPE_NONE) ||
(info[epidx].es_status !=
FJES_ZONING_STATUS_ENABLE) ||
(info[epidx].zone !=
info[hw->my_epid].zone)) {
set_bit(epidx,
&adapter->unshare_watch_bitmask);
set_bit(epidx,
&hw->hw_info.buffer_unshare_reserve_bit);
}
break;
case EP_PARTNER_SHARED:
if ((info[epidx].zone ==
FJES_ZONING_ZONE_TYPE_NONE) ||
(info[epidx].es_status !=
FJES_ZONING_STATUS_ENABLE) ||
(info[epidx].zone !=
info[hw->my_epid].zone))
set_bit(epidx, &irq_bit);
break;
}
hw->ep_shm_info[epidx].es_status =
info[epidx].es_status;
hw->ep_shm_info[epidx].zone = info[epidx].zone;
}
break;
}
mutex_unlock(&hw->hw_info.lock);
for (epidx = 0; epidx < hw->max_epid; epidx++) {
if (epidx == hw->my_epid)
continue;
if (test_bit(epidx, &share_bit)) {
fjes_hw_setup_epbuf(&hw->ep_shm_info[epidx].tx,
netdev->dev_addr, netdev->mtu);
mutex_lock(&hw->hw_info.lock);
ret = fjes_hw_register_buff_addr(
hw, epidx, &hw->ep_shm_info[epidx]);
switch (ret) {
case 0:
break;
case -ENOMSG:
case -EBUSY:
default:
if (!work_pending(&adapter->force_close_task)) {
adapter->force_reset = true;
schedule_work(
&adapter->force_close_task);
}
break;
}
mutex_unlock(&hw->hw_info.lock);
}
if (test_bit(epidx, &unshare_bit)) {
mutex_lock(&hw->hw_info.lock);
ret = fjes_hw_unregister_buff_addr(hw, epidx);
switch (ret) {
case 0:
break;
case -ENOMSG:
case -EBUSY:
default:
if (!work_pending(&adapter->force_close_task)) {
adapter->force_reset = true;
schedule_work(
&adapter->force_close_task);
}
break;
}
mutex_unlock(&hw->hw_info.lock);
if (ret == 0)
fjes_hw_setup_epbuf(
&hw->ep_shm_info[epidx].tx,
netdev->dev_addr, netdev->mtu);
}
if (test_bit(epidx, &irq_bit)) {
fjes_hw_raise_interrupt(hw, epidx,
REG_ICTL_MASK_TXRX_STOP_REQ);
set_bit(epidx, &hw->txrx_stop_req_bit);
hw->ep_shm_info[epidx].tx.
info->v1i.rx_status |=
FJES_RX_STOP_REQ_REQUEST;
set_bit(epidx, &hw->hw_info.buffer_unshare_reserve_bit);
}
}
if (irq_bit || adapter->unshare_watch_bitmask) {
if (!work_pending(&adapter->unshare_watch_task))
queue_work(adapter->control_wq,
&adapter->unshare_watch_task);
}
}
static int fjes_setup_resources(struct fjes_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct ep_share_mem_info *buf_pair;
struct fjes_hw *hw = &adapter->hw;
unsigned long flags;
int result;
int epidx;
mutex_lock(&hw->hw_info.lock);
result = fjes_hw_request_info(hw);
switch (result) {
case 0:
for (epidx = 0; epidx < hw->max_epid; epidx++) {
hw->ep_shm_info[epidx].es_status =
hw->hw_info.res_buf->info.info[epidx].es_status;
hw->ep_shm_info[epidx].zone =
hw->hw_info.res_buf->info.info[epidx].zone;
}
break;
default:
case -ENOMSG:
case -EBUSY:
adapter->force_reset = true;
mutex_unlock(&hw->hw_info.lock);
return result;
}
mutex_unlock(&hw->hw_info.lock);
for (epidx = 0; epidx < (hw->max_epid); epidx++) {
if ((epidx != hw->my_epid) &&
(hw->ep_shm_info[epidx].es_status ==
FJES_ZONING_STATUS_ENABLE)) {
fjes_hw_raise_interrupt(hw, epidx,
REG_ICTL_MASK_INFO_UPDATE);
hw->ep_shm_info[epidx].ep_stats
.send_intr_zoneupdate += 1;
}
}
msleep(FJES_OPEN_ZONE_UPDATE_WAIT * hw->max_epid);
for (epidx = 0; epidx < (hw->max_epid); epidx++) {
if (epidx == hw->my_epid)
continue;
buf_pair = &hw->ep_shm_info[epidx];
spin_lock_irqsave(&hw->rx_status_lock, flags);
fjes_hw_setup_epbuf(&buf_pair->tx, netdev->dev_addr,
netdev->mtu);
spin_unlock_irqrestore(&hw->rx_status_lock, flags);
if (fjes_hw_epid_is_same_zone(hw, epidx)) {
mutex_lock(&hw->hw_info.lock);
result =
fjes_hw_register_buff_addr(hw, epidx, buf_pair);
mutex_unlock(&hw->hw_info.lock);
switch (result) {
case 0:
break;
case -ENOMSG:
case -EBUSY:
default:
adapter->force_reset = true;
return result;
}
hw->ep_shm_info[epidx].ep_stats
.com_regist_buf_exec += 1;
}
}
return 0;
}
