[SCSI] bnx2fc: Return error statistics of remote peer

Add support for get_lesb so that the valid statistics are returned by the
remote peer when RLS command is issued.

Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index d2bbb8030f7e..0f1ca86aff9f 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -99,6 +99,25 @@ static struct notifier_block bnx2fc_cpu_notifier = {
         .notifier_call = bnx2fc_cpu_callback,
 };
 
+static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport)
+{
+        return ((struct bnx2fc_interface *)
+                ((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
+}
+
+/**
+ * bnx2fc_get_lesb() - Fill the FCoE Link Error Status Block
+ * @lport: the local port
+ * @fc_lesb: the link error status block
+ */
+static void bnx2fc_get_lesb(struct fc_lport *lport,
+                            struct fc_els_lesb *fc_lesb)
+{
+        struct net_device *netdev = bnx2fc_netdev(lport);
+
+        __fcoe_get_lesb(lport, fc_lesb, netdev);
+}
+
 static void bnx2fc_clean_rx_queue(struct fc_lport *lp)
 {
         struct fcoe_percpu_s *bg;
@@ -2512,6 +2531,7 @@ static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
         .elsct_send             = bnx2fc_elsct_send,
         .fcp_abort_io           = bnx2fc_abort_io,
         .fcp_cleanup            = bnx2fc_cleanup,
+        .get_lesb               = bnx2fc_get_lesb,
         .rport_event_callback   = bnx2fc_rport_event_handler,
 };