diff options
| author | Divy Le Ray <divy@chelsio.com> | 2009-01-26 22:21:59 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-26 22:21:59 -0800 |
| commit | cb0bc205959bf8c60acae9c71f3da0597e756f8e (patch) | |
| tree | b17980de266cf103d14cea0152fa37cffe45dba0 | |
| parent | 1373c0fdbc5b477f5597a3ca9f2c782f15b56886 (diff) | |
cxgb3: Notify fatal errors
Set up a notification mechanism to inform upper layer modules
(iWARP, iSCSI) of a chip reset due to an EEH event or a fatal error.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/cxgb3/cxgb3_main.c | 13 | ||||
| -rw-r--r-- | drivers/net/cxgb3/cxgb3_offload.c | 12 | ||||
| -rw-r--r-- | drivers/net/cxgb3/cxgb3_offload.h | 7 |
3 files changed, 28 insertions, 4 deletions
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 7381f378b4e..f2c7cc3e263 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -2542,6 +2542,12 @@ static int t3_adapter_error(struct adapter *adapter, int reset) { int i, ret = 0; + if (is_offload(adapter) && + test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { + cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0); + offload_close(&adapter->tdev); + } + /* Stop all ports */ for_each_port(adapter, i) { struct net_device *netdev = adapter->port[i]; @@ -2550,10 +2556,6 @@ static int t3_adapter_error(struct adapter *adapter, int reset) cxgb_close(netdev); } - if (is_offload(adapter) && - test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) - offload_close(&adapter->tdev); - /* Stop SGE timers */ t3_stop_sge_timers(adapter); @@ -2605,6 +2607,9 @@ static void t3_resume_ports(struct adapter *adapter) } } } + + if (is_offload(adapter) && !ofld_disable) + cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0); } /* diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index 2d7f69aff1d..620d80be6aa 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -153,6 +153,18 @@ void cxgb3_remove_clients(struct t3cdev *tdev) mutex_unlock(&cxgb3_db_lock); } +void cxgb3_err_notify(struct t3cdev *tdev, u32 status, u32 error) +{ + struct cxgb3_client *client; + + mutex_lock(&cxgb3_db_lock); + list_for_each_entry(client, &client_list, client_list) { + if (client->err_handler) + client->err_handler(tdev, status, error); + } + mutex_unlock(&cxgb3_db_lock); +} + static struct net_device *get_iff_from_mac(struct adapter *adapter, const unsigned char *mac, unsigned int vlan) diff --git a/drivers/net/cxgb3/cxgb3_offload.h b/drivers/net/cxgb3/cxgb3_offload.h index d514e5019df..a8e8e5fcdf8 100644 --- a/drivers/net/cxgb3/cxgb3_offload.h +++ b/drivers/net/cxgb3/cxgb3_offload.h @@ -64,10 +64,16 @@ void cxgb3_register_client(struct cxgb3_client *client); void cxgb3_unregister_client(struct cxgb3_client *client); void cxgb3_add_clients(struct t3cdev *tdev); void cxgb3_remove_clients(struct t3cdev *tdev); +void cxgb3_err_notify(struct t3cdev *tdev, u32 status, u32 error); typedef int (*cxgb3_cpl_handler_func)(struct t3cdev *dev, struct sk_buff *skb, void *ctx); +enum { + OFFLOAD_STATUS_UP, + OFFLOAD_STATUS_DOWN +}; + struct cxgb3_client { char *name; void (*add) (struct t3cdev *); @@ -76,6 +82,7 @@ struct cxgb3_client { int (*redirect)(void *ctx, struct dst_entry *old, struct dst_entry *new, struct l2t_entry *l2t); struct list_head client_list; + void (*err_handler)(struct t3cdev *tdev, u32 status, u32 error); }; /* |