diff options
author | Taku Izumi <izumi.taku@jp.fujitsu.com> | 2015-08-21 08:29:36 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2015-08-24 21:06:36 (GMT) |
commit | b5a9152d993a4f08d6e08ac0dde3a09993dc9c45 (patch) | |
tree | 4a97cac45652212845a8e290d1acb4f69877a86a /drivers/net/fjes/fjes_hw.c | |
parent | 785f28e061a870eba937cb2a860cbcf631f5ebb0 (diff) | |
download | linux-b5a9152d993a4f08d6e08ac0dde3a09993dc9c45.tar.xz |
fjes: epstop_task
This patch adds epstop_task.
This task is used to process other receiver's
cancellation request.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/fjes/fjes_hw.c')
-rw-r--r-- | drivers/net/fjes/fjes_hw.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c index 4525d36..b5f4a78 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); + } + } + } +} |