Re: [PATCH RFC 5/5] qedf: Add FIP request handling

On 01/09/2017 05:47 PM, Chad Dupuis wrote:

On Wed, 28 Dec 2016, 9:11am -0000, Hannes Reinecke wrote:

quoted

On 12/23/2016 08:17 PM, Dupuis, Chad wrote:

quoted

From: "Dupuis, Chad" <chad.dupuis-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>

This patch adds handling for FIP requests and responses that are handled by
the driver itself and not by libfcoe.

Signed-off-by: Nilesh Javali <nilesh.javali-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
Signed-off-by: Manish Rangankar <manish.rangankar-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
Signed-off-by: Saurav Kashyap <saurav.kashyap-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
Signed-off-by: Chad Dupuis <chad.dupuis-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
---
 drivers/scsi/qedf/qedf_fip.c | 267 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 267 insertions(+)
 create mode 100644 drivers/scsi/qedf/qedf_fip.c

diff --git a/drivers/scsi/qedf/qedf_fip.c b/drivers/scsi/qedf/qedf_fip.c
new file mode 100644
index 0000000..4f185c6
--- /dev/null
+++ b/drivers/scsi/qedf/qedf_fip.c

@@ -0,0 +1,267 @@
+/*
+ *  QLogic FCoE Offload Driver
+ *  Copyright (c) 2016 Cavium Inc.
+ *
+ *  This software is available under the terms of the GNU General Public License
+ *  (GPL) Version 2, available from the file COPYING in the main directory of
+ *  this source tree.
+ */
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include "qedf.h"
+
+extern const struct qed_fcoe_ops *qed_ops;
+/*
+ * FIP VLAN functions that will eventually move to libfcoe.
+ */
+
+void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf)
+{
+	struct sk_buff *skb;
+	char *eth_fr;
+	int fr_len;
+	struct fip_vlan *vlan;
+#define MY_FIP_ALL_FCF_MACS        ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 2 })
+	static u8 my_fcoe_all_fcfs[ETH_ALEN] = MY_FIP_ALL_FCF_MACS;

Do you support VN2VN, too?

Not currently, no.

Ah.

Too bad. Any plans for it?
It certainly eases up P2P setups for FCoE...

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare-l3A5Bk7waGM@public.gmane.org			               +49 911 74053 688
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