From: Robert Love <robert.w.love@intel.com>
To: linux-scsi@vger.kernel.org
Cc: Kiran Patil <kiran.patil@intel.com>, Yi Zou <yi.zou@intel.com>
Subject: [PATCH v2 04/12] fcoe: support ndo_fcoe_ddp_target() for DDP in FCoE targe
Date: Mon, 20 Jun 2011 16:59:10 -0700 [thread overview]
Message-ID: <20110620235910.1777.64207.stgit@localhost6.localdomain6> (raw)
In-Reply-To: <20110620235848.1777.5168.stgit@localhost6.localdomain6>
From: Yi Zou <yi.zou@intel.com>
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>
---
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
next prev parent reply other threads:[~2011-06-20 23:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-20 23:58 [PATCH v2 00/12] libfc, libfcoe and fcoe updates for scsi-misc Robert Love
2011-06-20 23:58 ` [PATCH v2 01/12] tcm_fc: Fix warning in file tfc_io Robert Love
2011-06-20 23:58 ` [PATCH v2 02/12] libfc: Enhancement to RPORT state machine applicable only for VN2VN mode Robert Love
2011-06-20 23:59 ` [PATCH v2 03/12] libfc, tcm_fc: add ddp_targ() to libfc function template to supprot FCoE DDP in target mode Robert Love
2011-06-20 23:59 ` Robert Love [this message]
2011-06-20 23:59 ` [PATCH v2 05/12] fcoe: Unable to select the exchangeID from offload pool for storage targets Robert Love
2011-06-20 23:59 ` [PATCH v2 06/12] fcoe: Round-robin based selection of CPU for post-processing of incoming commands Robert Love
2011-06-20 23:59 ` [PATCH v2 07/12] fcoe: Amends previous patch, Round-robin based selection of CPU for post processing of incoming request for FCoE target Robert Love
2011-06-20 23:59 ` [PATCH v2 08/12] libfc:Fix for exchange/seq loopup failure when FCoE stack is used as target and connected to windows initaitor Robert Love
2011-06-20 23:59 ` [PATCH v2 09/12] tcm_fc: Fix ft_send_tm-bug and drop ft_get_lun_for_cmd usage Robert Love
2011-06-22 18:37 ` Nicholas A. Bellinger
2011-06-22 21:38 ` Kiran Patil
2011-06-22 23:30 ` [PATCH] " Kiran Patil
2011-06-23 2:47 ` Nicholas A. Bellinger
2011-06-20 23:59 ` [PATCH v2 10/12] tcm_fc: Fixing reference counting problem which was causing ft_sess to be deleted Robert Love
2011-06-20 23:59 ` [PATCH v2 11/12] libfc: post reset event on lport reset Robert Love
2011-06-20 23:59 ` [PATCH v2 12/12] fcoe: Rearrange fcoe port and NPIV port cleanup Robert Love
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