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qede: Error recovery process

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This patch adds the error recovery process in the qede driver.
The process includes a partial/customized driver unload and load, which
allows it to look like a short suspend period to the kernel while
preserving the net devices' state.

Signed-off-by: Tomer Tayar <tomer.tayar@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tomer Tayar
2019-01-28 19:27:56 +02:00
committed by David S. Miller
parent 64515dc899
commit ccc67ef50b
4 changed files with 295 additions and 75 deletions
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10
include/linux/qed/qede_rdma.h
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@@ -74,21 +74,23 @@ void qede_rdma_unregister_driver(struct qedr_driver *drv);
bool qede_rdma_supported(struct qede_dev *dev);
#if IS_ENABLED(CONFIG_QED_RDMA)
int qede_rdma_dev_add(struct qede_dev *dev);
int qede_rdma_dev_add(struct qede_dev *dev, bool recovery);
void qede_rdma_dev_event_open(struct qede_dev *dev);
void qede_rdma_dev_event_close(struct qede_dev *dev);
void qede_rdma_dev_remove(struct qede_dev *dev);
void qede_rdma_dev_remove(struct qede_dev *dev, bool recovery);
void qede_rdma_event_changeaddr(struct qede_dev *edr);
#else
static inline int qede_rdma_dev_add(struct qede_dev *dev)
static inline int qede_rdma_dev_add(struct qede_dev *dev,
bool recovery)
{
return 0;
}
static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {}
static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {}
static inline void qede_rdma_dev_remove(struct qede_dev *dev) {}
static inline void qede_rdma_dev_remove(struct qede_dev *dev,
bool recovery) {}
static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
#endif
#endif