From b5a9152d993a4f08d6e08ac0dde3a09993dc9c45 Mon Sep 17 00:00:00 2001 From: Taku Izumi Date: Fri, 21 Aug 2015 17:29:36 +0900 Subject: [PATCH] fjes: epstop_task This patch adds epstop_task. This task is used to process other receiver's cancellation request. Signed-off-by: Taku Izumi Signed-off-by: David S. Miller --- drivers/net/fjes/fjes_hw.c | 31 +++++++++++++++++++++++++++++++ drivers/net/fjes/fjes_hw.h | 1 + drivers/net/fjes/fjes_main.c | 1 + 3 files changed, 33 insertions(+) diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c index 4525d3664ccf..b5f4a78da828 100644 --- a/drivers/net/fjes/fjes_hw.c +++ b/drivers/net/fjes/fjes_hw.c @@ -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); + } + } + } +} diff --git a/drivers/net/fjes/fjes_hw.h b/drivers/net/fjes/fjes_hw.h index e59b737b45e7..6d57b89a0ee8 100644 --- a/drivers/net/fjes/fjes_hw.h +++ b/drivers/net/fjes/fjes_hw.h @@ -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; diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 8e3a084277c0..5e77d0cda825 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -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); -- 2.39.5