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fjes: tx_stall_task

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This patch adds tx_stall_task.
When receiver's buffer is full, sender stops
its tx queue. This task is used to monitor
receiver's status and when receiver's buffer
is avairable, it resumes tx queue.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Taku Izumi
2015-08-21 17:29:26 +09:00
committed by David S. Miller
parent b772b9dc63
commit ac63b94708
2 changed files with 63 additions and 0 deletions
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2
drivers/net/fjes/fjes.h
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@@ -30,6 +30,7 @@
#define FJES_MAX_QUEUES 1
#define FJES_TX_RETRY_INTERVAL (20 * HZ)
#define FJES_TX_RETRY_TIMEOUT (100)
#define FJES_TX_TX_STALL_TIMEOUT (FJES_TX_RETRY_INTERVAL / 2)
#define FJES_OPEN_ZONE_UPDATE_WAIT (300) /* msec */
/* board specific private data structure */
@@ -52,6 +53,7 @@ struct fjes_adapter {
struct workqueue_struct *txrx_wq;
struct work_struct tx_stall_task;
struct work_struct raise_intr_rxdata_task;
struct fjes_hw hw;