Commit b5a9152d authored by Taku Izumi's avatar Taku Izumi Committed by David S. Miller
Browse files

fjes: epstop_task 



This patch adds epstop_task.
This task is used to process other receiver's
cancellation request.

Signed-off-by: default avatarTaku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 785f28e0

drivers/net/fjes/fjes_hw.c

+31 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include "fjes.h"



static void fjes_hw_update_zone_task(struct work_struct *);

static void fjes_hw_epstop_task(struct work_struct *);



/* supported MTU list */

const u32 fjes_support_mtu[] = {
@@ -325,6 +326,7 @@ int fjes_hw_init(struct fjes_hw *hw) 
	fjes_hw_set_irqmask(hw, REG_ICTL_MASK_ALL, true);



	INIT_WORK(&hw->update_zone_task, fjes_hw_update_zone_task);

	INIT_WORK(&hw->epstop_task, fjes_hw_epstop_task);



	mutex_init(&hw->hw_info.lock);
@@ -355,6 +357,7 @@ void fjes_hw_exit(struct fjes_hw *hw) 
	fjes_hw_cleanup(hw);



	cancel_work_sync(&hw->update_zone_task);

	cancel_work_sync(&hw->epstop_task);

}



static enum fjes_dev_command_response_e
@@ -1092,3 +1095,31 @@ static void fjes_hw_update_zone_task(struct work_struct *work) 
				   &adapter->unshare_watch_task);

	}

}



static void fjes_hw_epstop_task(struct work_struct *work)

{

	struct fjes_hw *hw = container_of(work, struct fjes_hw, epstop_task);

	struct fjes_adapter *adapter = (struct fjes_adapter *)hw->back;



	ulong remain_bit;

	int epid_bit;



	while ((remain_bit = hw->epstop_req_bit)) {

		for (epid_bit = 0; remain_bit; remain_bit >>= 1, epid_bit++) {

			if (remain_bit & 1) {

				hw->ep_shm_info[epid_bit].

					tx.info->v1i.rx_status |=

						FJES_RX_STOP_REQ_DONE;



				clear_bit(epid_bit, &hw->epstop_req_bit);

				set_bit(epid_bit,

					&adapter->unshare_watch_bitmask);



				if (!work_pending(&adapter->unshare_watch_task))

					queue_work(

						adapter->control_wq,

						&adapter->unshare_watch_task);

			}

		}

	}

}

drivers/net/fjes/fjes_hw.h

+1 −0
Original line number Diff line number Diff line
@@ -283,6 +283,7 @@ struct fjes_hw { 
	unsigned long txrx_stop_req_bit;

	unsigned long epstop_req_bit;

	struct work_struct update_zone_task;

	struct work_struct epstop_task;



	int my_epid;

	int max_epid;

drivers/net/fjes/fjes_main.c

+1 −0
Original line number Diff line number Diff line
@@ -316,6 +316,7 @@ static int fjes_close(struct net_device *netdev) 
	cancel_work_sync(&adapter->tx_stall_task);



	cancel_work_sync(&hw->update_zone_task);

	cancel_work_sync(&hw->epstop_task);



	fjes_hw_wait_epstop(hw);