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authorBhanu Prakash Gollapudi <bprakash@broadcom.com>2011-10-03 16:45:01 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-10-16 10:38:01 -0500
commit814740d5f67ae5f205349019bfaae38bcd0c8732 (patch)
tree4c7de90af617916dc06d44a5b5504775f3ffb211 /drivers/scsi/fcoe/fcoe_transport.c
parentfd8fa9071e49a56cc91f739813ea88f16b7c1240 (diff)
[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>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe_transport.c')
-rw-r--r--drivers/scsi/fcoe/fcoe_transport.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index 50c8c4a530a..7264d0d5d73 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];