This adds implementation of ddp_setup()/ddp_done() in fcoe_sw for its
fcoe_sw_libfc_fcn_templ.
Signed-off-by: Yi Zou <yi.zou@xxxxxxxxx>
---
drivers/scsi/fcoe/fcoe_sw.c | 37 +++++++++++++++++++++++++++++++++++++
1 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/fcoe/fcoe_sw.c b/drivers/scsi/fcoe/fcoe_sw.c
index 7632d7e..57f7a51 100644
--- a/drivers/scsi/fcoe/fcoe_sw.c
+++ b/drivers/scsi/fcoe/fcoe_sw.c
@@ -373,8 +373,45 @@ static int fcoe_sw_destroy(struct net_device *netdev)
return 0;
}
+/*
+ * fcoe_sw_ddp_setup - calls LLD's ddp_setup through net_device
+ * @lp: the corresponding fc_lport
+ * @xid: the exchange id for this ddp transfer
+ * @sgl: the scatterlist describing this transfer
+ * @sgc: number of sg items
+ *
+ * Returns : 0 no ddp
+ */
+static int fcoe_sw_ddp_setup(struct fc_lport *lp, u16 xid,
+ struct scatterlist *sgl, unsigned int sgc)
+{
+ struct net_device *ndev = fcoe_netdev(lp);
+
+ if (ndev->fcoe_ops && ndev->fcoe_ops->ddp_setup)
+ return ndev->fcoe_ops->ddp_setup(ndev, xid, sgl, sgc);
+ return 0;
+}
+
+/*
+ * fcoe_sw_ddp_done - calls LLD's ddp_done through net_device
+ * @lp: the corresponding fc_lport
+ * @xid: the exchange id for this ddp transfer
+ *
+ * Returns : the length of data that have been completed by ddp
+ */
+static int fcoe_sw_ddp_done(struct fc_lport *lp, u16 xid)
+{
+ struct net_device *ndev = fcoe_netdev(lp);
+
+ if (ndev->fcoe_ops && ndev->fcoe_ops->ddp_done)
+ return ndev->fcoe_ops->ddp_done(ndev, xid);
+ return 0;
+}
+
static struct libfc_function_template fcoe_sw_libfc_fcn_templ = {
.frame_send = fcoe_xmit,
+ .ddp_setup = fcoe_sw_ddp_setup,
+ .ddp_done = fcoe_sw_ddp_done,
};
/**
--
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