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| author | Yi Zou <yi.zou@intel.com> | 2011-06-20 16:59:10 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-06-29 16:28:41 -0500 |
| commit | 71f894915aa6680dbce2ff727fb9237c4f7ac373 (patch) | |
| tree | 172d9ae8a36aa7cbc732a9f493aea35f2d0ba2c8 /drivers/scsi/fcoe | |
| parent | 33dc362b7f155a584688bcab2facdd4d21232001 (diff) | |
| download | op-kernel-dev-71f894915aa6680dbce2ff727fb9237c4f7ac373.zip op-kernel-dev-71f894915aa6680dbce2ff727fb9237c4f7ac373.tar.gz | |
[SCSI] fcoe: support ndo_fcoe_ddp_target() for DDP in FCoE targe
Add ddp_target() support to the Open-FCoE sw fcoe hba driver (fcoe.ko).
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/fcoe')
| -rw-r--r-- | drivers/scsi/fcoe/fcoe.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 155d7b9..f76a321 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -99,7 +99,8 @@ static void fcoe_destroy_work(struct work_struct *); static int fcoe_ddp_setup(struct fc_lport *, u16, struct scatterlist *, unsigned int); static int fcoe_ddp_done(struct fc_lport *, u16); - +static int fcoe_ddp_target(struct fc_lport *, u16, struct scatterlist *, + unsigned int); static int fcoe_cpu_callback(struct notifier_block *, unsigned long, void *); static bool fcoe_match(struct net_device *netdev); @@ -143,6 +144,7 @@ static struct libfc_function_template fcoe_libfc_fcn_templ = { .frame_send = fcoe_xmit, .ddp_setup = fcoe_ddp_setup, .ddp_done = fcoe_ddp_done, + .ddp_target = fcoe_ddp_target, .elsct_send = fcoe_elsct_send, .get_lesb = fcoe_get_lesb, .lport_set_port_id = fcoe_set_port_id, @@ -887,6 +889,28 @@ static int fcoe_ddp_setup(struct fc_lport *lport, u16 xid, } /** + * fcoe_ddp_target() - Call a LLD's ddp_target through the net device + * @lport: The local port to setup DDP for + * @xid: The exchange ID for this DDP transfer + * @sgl: The scatterlist describing this transfer + * @sgc: The number of sg items + * + * Returns: 0 if the DDP context was not configured + */ +static int fcoe_ddp_target(struct fc_lport *lport, u16 xid, + struct scatterlist *sgl, unsigned int sgc) +{ + struct net_device *netdev = fcoe_netdev(lport); + + if (netdev->netdev_ops->ndo_fcoe_ddp_target) + return netdev->netdev_ops->ndo_fcoe_ddp_target(netdev, xid, + sgl, sgc); + + return 0; +} + + +/** * fcoe_ddp_done() - Call a LLD's ddp_done through the net device * @lport: The local port to complete DDP on * @xid: The exchange ID for this DDP transfer |
