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[v2.2,17/22] fjes: force_close_task

Message ID 1440060386-13189-17-git-send-email-izumi.taku@jp.fujitsu.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Taku Izumi Aug. 20, 2015, 8:46 a.m. UTC 
This patch adds force_close_task.
This task is used to close network device forcibly.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
---
 drivers/net/fjes/fjes.h      |  1 +
 drivers/net/fjes/fjes_main.c | 13 +++++++++++++
 2 files changed, 14 insertions(+)
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Patch

diff --git a/drivers/net/fjes/fjes.h b/drivers/net/fjes/fjes.h
index 1743dbb..d31d4c3 100644
--- a/drivers/net/fjes/fjes.h
+++ b/drivers/net/fjes/fjes.h
@@ -47,6 +47,7 @@  struct fjes_adapter {
 	unsigned long rx_last_jiffies;
 	bool unset_rx_last;
 
+	struct work_struct force_close_task;
 	bool force_reset;
 	bool open_guard;
 
diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
index 2bf9f71..3a8cc5b 100644
--- a/drivers/net/fjes/fjes_main.c
+++ b/drivers/net/fjes/fjes_main.c
@@ -54,6 +54,7 @@  static void fjes_free_resources(struct fjes_adapter *);
 static netdev_tx_t fjes_xmit_frame(struct sk_buff *, struct net_device *);
 static void fjes_raise_intr_rxdata_task(struct work_struct *);
 static void fjes_tx_stall_task(struct work_struct *);
+static void fjes_force_close_task(struct work_struct *);
 static irqreturn_t fjes_intr(int, void*);
 static struct rtnl_link_stats64 *
 fjes_get_stats64(struct net_device *, struct rtnl_link_stats64 *);
@@ -494,6 +495,17 @@  static void fjes_tx_stall_task(struct work_struct *work)
 	queue_work(adapter->txrx_wq, &adapter->tx_stall_task);
 }
 
+static void fjes_force_close_task(struct work_struct *work)
+{
+	struct fjes_adapter *adapter = container_of(work,
+			struct fjes_adapter, force_close_task);
+	struct net_device *netdev = adapter->netdev;
+
+	rtnl_lock();
+	dev_close(netdev);
+	rtnl_unlock();
+}
+
 static void fjes_raise_intr_rxdata_task(struct work_struct *work)
 {
 	struct fjes_adapter *adapter = container_of(work,
@@ -1006,6 +1018,7 @@  static int fjes_probe(struct platform_device *plat_dev)
 	if (err)
 		goto err_sw_init;
 
+	INIT_WORK(&adapter->force_close_task, fjes_force_close_task);
 	adapter->force_reset = false;
 	adapter->open_guard = false;