[SCSI] fcoe,libfcoe: Move common code for fcoe_get_lesb to fcoe_transport

Except for obtaining the netdev from lport, fcoe_get_lesb is the common code
for the LLDs.

Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Acked-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index 50c8c4a530aa..7264d0d5d737 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -83,6 +83,35 @@ static struct notifier_block libfcoe_notifier = {
         .notifier_call = libfcoe_device_notification,
 };
 
+void __fcoe_get_lesb(struct fc_lport *lport,
+                     struct fc_els_lesb *fc_lesb,
+                     struct net_device *netdev)
+{
+        unsigned int cpu;
+        u32 lfc, vlfc, mdac;
+        struct fcoe_dev_stats *devst;
+        struct fcoe_fc_els_lesb *lesb;
+        struct rtnl_link_stats64 temp;
+
+        lfc = 0;
+        vlfc = 0;
+        mdac = 0;
+        lesb = (struct fcoe_fc_els_lesb *)fc_lesb;
+        memset(lesb, 0, sizeof(*lesb));
+        for_each_possible_cpu(cpu) {
+                devst = per_cpu_ptr(lport->dev_stats, cpu);
+                lfc += devst->LinkFailureCount;
+                vlfc += devst->VLinkFailureCount;
+                mdac += devst->MissDiscAdvCount;
+        }
+        lesb->lesb_link_fail = htonl(lfc);
+        lesb->lesb_vlink_fail = htonl(vlfc);
+        lesb->lesb_miss_fka = htonl(mdac);
+        lesb->lesb_fcs_error =
+                        htonl(dev_get_stats(netdev, &temp)->rx_crc_errors);
+}
+EXPORT_SYMBOL_GPL(__fcoe_get_lesb);
+
 void fcoe_wwn_to_str(u64 wwn, char *buf, int len)
 {
         u8 wwpn[8];