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Commit cb0bc205 authored by Divy Le Ray's avatar Divy Le Ray Committed by David S. Miller
Browse files

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: default avatarDivy Le Ray <divy@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1373c0fd

drivers/net/cxgb3/cxgb3_main.c

+9 −4
Original line number Original line Diff line number Diff line
@@ -2542,6 +2542,12 @@ static int t3_adapter_error(struct adapter *adapter, int reset) 
{

{

	int i, ret = 0;

	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 */

	/* Stop all ports */

	for_each_port(adapter, i) {

	for_each_port(adapter, i) {

		struct net_device *netdev = adapter->port[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);

			cxgb_close(netdev);

	}

	}





	if (is_offload(adapter) &&

	    test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))

		offload_close(&adapter->tdev);



	/* Stop SGE timers */

	/* Stop SGE timers */

	t3_stop_sge_timers(adapter);

	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);

}

}





/*

/*

drivers/net/cxgb3/cxgb3_offload.c

+12 −0
Original line number Original line Diff line number Diff line
@@ -153,6 +153,18 @@ void cxgb3_remove_clients(struct t3cdev *tdev) 
	mutex_unlock(&cxgb3_db_lock);

	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,

static struct net_device *get_iff_from_mac(struct adapter *adapter,

					   const unsigned char *mac,

					   const unsigned char *mac,

					   unsigned int vlan)

					   unsigned int vlan)

drivers/net/cxgb3/cxgb3_offload.h

+7 −0
Original line number Original line Diff line number Diff line
@@ -64,10 +64,16 @@ void cxgb3_register_client(struct cxgb3_client *client); 
void cxgb3_unregister_client(struct cxgb3_client *client);

void cxgb3_unregister_client(struct cxgb3_client *client);

void cxgb3_add_clients(struct t3cdev *tdev);

void cxgb3_add_clients(struct t3cdev *tdev);

void cxgb3_remove_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,

typedef int (*cxgb3_cpl_handler_func)(struct t3cdev *dev,

				      struct sk_buff *skb, void *ctx);

				      struct sk_buff *skb, void *ctx);





enum {

	OFFLOAD_STATUS_UP,

	OFFLOAD_STATUS_DOWN

};



struct cxgb3_client {

struct cxgb3_client {

	char *name;

	char *name;

	void (*add) (struct t3cdev *);

	void (*add) (struct t3cdev *);
@@ -76,6 +82,7 @@ struct cxgb3_client { 
	int (*redirect)(void *ctx, struct dst_entry *old,

	int (*redirect)(void *ctx, struct dst_entry *old,

			struct dst_entry *new, struct l2t_entry *l2t);

			struct dst_entry *new, struct l2t_entry *l2t);

	struct list_head client_list;

	struct list_head client_list;

	void (*err_handler)(struct t3cdev *tdev, u32 status, u32 error);

};

};





/*

/*