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fcoe: Update multicast addresses on FIP mode change 

When the FIP mode is changed we need to update the multicast addresses
to ensure we get the correct frames.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2016-07-04 10:29:21 +02:00 committed by Martin K. Petersen
parent eb44c4e2fe
commit a87dccc75b
1 changed files with 29 additions and 2 deletions
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31
drivers/scsi/fcoe/fcoe.c
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@ -115,7 +115,7 @@ static int fcoe_disable(struct net_device *netdev);
/* fcoe_syfs control interface handlers */
static int fcoe_ctlr_alloc(struct net_device *netdev);
static int fcoe_ctlr_enabled(struct fcoe_ctlr_device *cdev);
static void fcoe_ctlr_mode(struct fcoe_ctlr_device *ctlr_dev);
static struct fc_seq *fcoe_elsct_send(struct fc_lport *,
u32 did, struct fc_frame *,
@ -146,8 +146,9 @@ static void fcoe_set_vport_symbolic_name(struct fc_vport *);
static void fcoe_set_port_id(struct fc_lport *, u32, struct fc_frame *);
static void fcoe_fcf_get_vlan_id(struct fcoe_fcf_device *);
static struct fcoe_sysfs_function_template fcoe_sysfs_templ = {
.set_fcoe_ctlr_mode = fcoe_ctlr_set_fip_mode,
.set_fcoe_ctlr_mode = fcoe_ctlr_mode,
.set_fcoe_ctlr_enabled = fcoe_ctlr_enabled,
.get_fcoe_ctlr_link_fail = fcoe_ctlr_get_lesb,
.get_fcoe_ctlr_vlink_fail = fcoe_ctlr_get_lesb,
@ -1975,6 +1976,32 @@ static int fcoe_ctlr_enabled(struct fcoe_ctlr_device *cdev)
};
}
/**
* fcoe_ctlr_mode() - Switch FIP mode
* @cdev: The FCoE Controller that is being modified
*
* When the FIP mode has been changed we need to update
* the multicast addresses to ensure we get the correct
* frames.
*/
static void fcoe_ctlr_mode(struct fcoe_ctlr_device *ctlr_dev)
{
struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(ctlr_dev);
struct fcoe_interface *fcoe = fcoe_ctlr_priv(ctlr);
if (ctlr_dev->mode == FIP_CONN_TYPE_VN2VN &&
ctlr->mode != FIP_MODE_VN2VN) {
dev_mc_del(fcoe->netdev, FIP_ALL_ENODE_MACS);
dev_mc_add(fcoe->netdev, FIP_ALL_VN2VN_MACS);
dev_mc_add(fcoe->netdev, FIP_ALL_P2P_MACS);
} else if (ctlr->mode != FIP_MODE_FABRIC) {
dev_mc_del(fcoe->netdev, FIP_ALL_VN2VN_MACS);
dev_mc_del(fcoe->netdev, FIP_ALL_P2P_MACS);
dev_mc_add(fcoe->netdev, FIP_ALL_ENODE_MACS);
}
fcoe_ctlr_set_fip_mode(ctlr_dev);
}
/**
* fcoe_destroy() - Destroy a FCoE interface
* @netdev : The net_device object the Ethernet interface to create on