[SCSI] libfc, fcoe, bnx2fc: cleanup fcoe_dev_stats

The libfc is used by fcoe but fcoe agnostic,
and therefore should not have any fcoe references.

So renaming fcoe_dev_stats from libfc as its for fc_stats.
After that libfc is fcoe string free except some strings for
Open-FCoE.org.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Acked-by : Robert Love <robert.w.love@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Acked-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

10 files changed, 69 insertions, 71 deletions

diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index f52f668fd247..49bd99e49c64 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -286,7 +286,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
         struct fcoe_port        *port;
         struct fcoe_hdr         *hp;
         struct bnx2fc_rport     *tgt;
-        struct fcoe_dev_stats   *stats;
+        struct fc_stats         *stats;
         u8                      sof, eof;
         u32                     crc;
         unsigned int            hlen, tlen, elen;
@@ -412,7 +412,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
         }
 
         /*update tx stats */
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         stats->TxFrames++;
         stats->TxWords += wlen;
         put_cpu();
@@ -522,7 +522,7 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
         u32 fr_len;
         struct fc_lport *lport;
         struct fcoe_rcv_info *fr;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
         struct fc_frame_header *fh;
         struct fcoe_crc_eof crc_eof;
         struct fc_frame *fp;
@@ -551,7 +551,7 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
         skb_pull(skb, sizeof(struct fcoe_hdr));
         fr_len = skb->len - sizeof(struct fcoe_crc_eof);
 
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         stats->RxFrames++;
         stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
 
@@ -942,7 +942,7 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
                                                         FC_PORTTYPE_UNKNOWN;
                         mutex_unlock(&lport->lp_mutex);
                         fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
-                        per_cpu_ptr(lport->dev_stats,
+                        per_cpu_ptr(lport->stats,
                                     get_cpu())->LinkFailureCount++;
                         put_cpu();
                         fcoe_clean_pending_queue(lport);
diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c
index 4f7453b9e41e..a4fdc3d47f44 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_io.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
@@ -1980,7 +1980,7 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt,
         struct bnx2fc_interface *interface = port->priv;
         struct bnx2fc_hba *hba = interface->hba;
         struct fc_lport *lport = port->lport;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
         int task_idx, index;
         u16 xid;
 
@@ -1991,7 +1991,7 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt,
         io_req->data_xfer_len = scsi_bufflen(sc_cmd);
         sc_cmd->SCp.ptr = (char *)io_req;
 
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         if (sc_cmd->sc_data_direction == DMA_FROM_DEVICE) {
                 io_req->io_req_flags = BNX2FC_READ;
                 stats->InputRequests++;
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index fe30b1b65e1d..2b065d26a5ae 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1529,7 +1529,7 @@ static int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev,
 
         return 0;
 err:
-        per_cpu_ptr(lport->dev_stats, get_cpu())->ErrorFrames++;
+        per_cpu_ptr(lport->stats, get_cpu())->ErrorFrames++;
         put_cpu();
 err2:
         kfree_skb(skb);
@@ -1569,7 +1569,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
         struct ethhdr *eh;
         struct fcoe_crc_eof *cp;
         struct sk_buff *skb;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
         struct fc_frame_header *fh;
         unsigned int hlen;              /* header length implies the version */
         unsigned int tlen;              /* trailer length */
@@ -1680,7 +1680,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
                 skb_shinfo(skb)->gso_size = 0;
         }
         /* update tx stats: regardless if LLD fails */
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         stats->TxFrames++;
         stats->TxWords += wlen;
         put_cpu();
@@ -1714,7 +1714,7 @@ static inline int fcoe_filter_frames(struct fc_lport *lport,
         struct fcoe_interface *fcoe;
         struct fc_frame_header *fh;
         struct sk_buff *skb = (struct sk_buff *)fp;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
 
         /*
          * We only check CRC if no offload is available and if it is
@@ -1745,7 +1745,7 @@ static inline int fcoe_filter_frames(struct fc_lport *lport,
                 return 0;
         }
 
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         stats->InvalidCRCCount++;
         if (stats->InvalidCRCCount < 5)
                 printk(KERN_WARNING "fcoe: dropping frame with CRC error\n");
@@ -1762,7 +1762,7 @@ static void fcoe_recv_frame(struct sk_buff *skb)
         u32 fr_len;
         struct fc_lport *lport;
         struct fcoe_rcv_info *fr;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
         struct fcoe_crc_eof crc_eof;
         struct fc_frame *fp;
         struct fcoe_port *port;
@@ -1793,7 +1793,7 @@ static void fcoe_recv_frame(struct sk_buff *skb)
          */
         hp = (struct fcoe_hdr *) skb_network_header(skb);
 
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         if (unlikely(FC_FCOE_DECAPS_VER(hp) != FC_FCOE_VER)) {
                 if (stats->ErrorFrames < 5)
                         printk(KERN_WARNING "fcoe: FCoE version "
@@ -1970,7 +1970,7 @@ static int fcoe_device_notification(struct notifier_block *notifier,
         struct fcoe_ctlr *ctlr;
         struct fcoe_interface *fcoe;
         struct fcoe_port *port;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
         u32 link_possible = 1;
         u32 mfs;
         int rc = NOTIFY_OK;
@@ -2024,7 +2024,7 @@ static int fcoe_device_notification(struct notifier_block *notifier,
         if (link_possible && !fcoe_link_ok(lport))
                 fcoe_ctlr_link_up(ctlr);
         else if (fcoe_ctlr_link_down(ctlr)) {
-                stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+                stats = per_cpu_ptr(lport->stats, get_cpu());
                 stats->LinkFailureCount++;
                 put_cpu();
                 fcoe_clean_pending_queue(lport);
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index d68d57241ee6..2ebe03a4b51d 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -788,11 +788,11 @@ static unsigned long fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
         unsigned long deadline;
         unsigned long sel_time = 0;
         struct list_head del_list;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
 
         INIT_LIST_HEAD(&del_list);
 
-        stats = per_cpu_ptr(fip->lp->dev_stats, get_cpu());
+        stats = per_cpu_ptr(fip->lp->stats, get_cpu());
 
         list_for_each_entry_safe(fcf, next, &fip->fcfs, list) {
                 deadline = fcf->time + fcf->fka_period + fcf->fka_period / 2;
@@ -1104,8 +1104,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
         struct fc_frame_header *fh = NULL;
         struct fip_desc *desc;
         struct fip_encaps *els;
-        struct fcoe_dev_stats *stats;
         struct fcoe_fcf *sel;
+        struct fc_stats *stats;
         enum fip_desc_type els_dtype = 0;
         u8 els_op;
         u8 sub;
@@ -1249,7 +1249,7 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
         fr_dev(fp) = lport;
         fr_encaps(fp) = els_dtype;
 
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         stats->RxFrames++;
         stats->RxWords += skb->len / FIP_BPW;
         put_cpu();
@@ -1353,7 +1353,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
                                                       ntoh24(vp->fd_fc_id));
                         if (vn_port && (vn_port == lport)) {
                                 mutex_lock(&fip->ctlr_mutex);
-                                per_cpu_ptr(lport->dev_stats,
+                                per_cpu_ptr(lport->stats,
                                             get_cpu())->VLinkFailureCount++;
                                 put_cpu();
                                 fcoe_ctlr_reset(fip);
@@ -1383,8 +1383,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
                  * followed by physical port
                  */
                 mutex_lock(&fip->ctlr_mutex);
-                per_cpu_ptr(lport->dev_stats,
-                            get_cpu())->VLinkFailureCount++;
+                per_cpu_ptr(lport->stats, get_cpu())->VLinkFailureCount++;
                 put_cpu();
                 fcoe_ctlr_reset(fip);
                 mutex_unlock(&fip->ctlr_mutex);
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index b46f43dced78..861c09f72b85 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -89,7 +89,7 @@ void __fcoe_get_lesb(struct fc_lport *lport,
 {
         unsigned int cpu;
         u32 lfc, vlfc, mdac;
-        struct fcoe_dev_stats *devst;
+        struct fc_stats *stats;
         struct fcoe_fc_els_lesb *lesb;
         struct rtnl_link_stats64 temp;
 
@@ -99,10 +99,10 @@ void __fcoe_get_lesb(struct fc_lport *lport,
         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;
+                stats = per_cpu_ptr(lport->stats, cpu);
+                lfc += stats->LinkFailureCount;
+                vlfc += stats->VLinkFailureCount;
+                mdac += stats->MissDiscAdvCount;
         }
         lesb->lesb_link_fail = htonl(lfc);
         lesb->lesb_vlink_fail = htonl(vlfc);
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index aceffadb21c7..1d0334f83f78 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -124,7 +124,7 @@ struct fc_exch_mgr {
  * for each anchor to determine if that EM should be used. The last
  * anchor in the list will always match to handle any exchanges not
  * handled by other EMs. The non-default EMs would be added to the
- * anchor list by HW that provides FCoE offloads.
+ * anchor list by HW that provides offloads.
  */
 struct fc_exch_mgr_anchor {
         struct list_head ema_list;
@@ -986,7 +986,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,
                                 /*
                                  * Update sequence_id based on incoming last
                                  * frame of sequence exchange. This is needed
-                                 * for FCoE target where DDP has been used
+                                 * for FC target where DDP has been used
                                  * on target where, stack is indicated only
                                  * about last frame's (payload _header) header.
                                  * Whereas "seq_id" which is part of
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index f7357308655a..5c4c504fc105 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -434,7 +434,7 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 {
         struct scsi_cmnd *sc = fsp->cmd;
         struct fc_lport *lport = fsp->lp;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
         struct fc_frame_header *fh;
         size_t start_offset;
         size_t offset;
@@ -496,7 +496,7 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 
                 if (~crc != le32_to_cpu(fr_crc(fp))) {
 crc_err:
-                        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+                        stats = per_cpu_ptr(lport->stats, get_cpu());
                         stats->ErrorFrames++;
                         /* per cpu count, not total count, but OK for limit */
                         if (stats->InvalidCRCCount++ < FC_MAX_ERROR_CNT)
@@ -1786,7 +1786,7 @@ int fc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *sc_cmd)
         struct fc_rport_libfc_priv *rpriv;
         int rval;
         int rc = 0;
-        struct fcoe_dev_stats *stats;
+        struct fc_stats *stats;
 
         rval = fc_remote_port_chkready(rport);
         if (rval) {
@@ -1835,7 +1835,7 @@ int fc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *sc_cmd)
         /*
          * setup the data direction
          */
-        stats = per_cpu_ptr(lport->dev_stats, get_cpu());
+        stats = per_cpu_ptr(lport->stats, get_cpu());
         if (sc_cmd->sc_data_direction == DMA_FROM_DEVICE) {
                 fsp->req_flags = FC_SRB_READ;
                 stats->InputRequests++;
diff --git a/drivers/scsi/libfc/fc_frame.c b/drivers/scsi/libfc/fc_frame.c
index 981329a17c48..0382ac06906e 100644
--- a/drivers/scsi/libfc/fc_frame.c
+++ b/drivers/scsi/libfc/fc_frame.c
@@ -49,7 +49,7 @@ u32 fc_frame_crc_check(struct fc_frame *fp)
 EXPORT_SYMBOL(fc_frame_crc_check);
 
 /*
- * Allocate a frame intended to be sent via fcoe_xmit.
+ * Allocate a frame intended to be sent.
  * Get an sk_buff for the frame and set the length.
  */
 struct fc_frame *_fc_frame_alloc(size_t len)
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index c1402fb499ab..3e8c48dfa42f 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -299,47 +299,47 @@ EXPORT_SYMBOL(fc_get_host_speed);
  */
 struct fc_host_statistics *fc_get_host_stats(struct Scsi_Host *shost)
 {
-        struct fc_host_statistics *fcoe_stats;
+        struct fc_host_statistics *fc_stats;
         struct fc_lport *lport = shost_priv(shost);
         struct timespec v0, v1;
         unsigned int cpu;
         u64 fcp_in_bytes = 0;
         u64 fcp_out_bytes = 0;
 
-        fcoe_stats = &lport->host_stats;
-        memset(fcoe_stats, 0, sizeof(struct fc_host_statistics));
+        fc_stats = &lport->host_stats;
+        memset(fc_stats, 0, sizeof(struct fc_host_statistics));
 
         jiffies_to_timespec(jiffies, &v0);
         jiffies_to_timespec(lport->boot_time, &v1);
-        fcoe_stats->seconds_since_last_reset = (v0.tv_sec - v1.tv_sec);
+        fc_stats->seconds_since_last_reset = (v0.tv_sec - v1.tv_sec);
 
         for_each_possible_cpu(cpu) {
-                struct fcoe_dev_stats *stats;
-
-                stats = per_cpu_ptr(lport->dev_stats, cpu);
-
-                fcoe_stats->tx_frames += stats->TxFrames;
-                fcoe_stats->tx_words += stats->TxWords;
-                fcoe_stats->rx_frames += stats->RxFrames;
-                fcoe_stats->rx_words += stats->RxWords;
-                fcoe_stats->error_frames += stats->ErrorFrames;
-                fcoe_stats->invalid_crc_count += stats->InvalidCRCCount;
-                fcoe_stats->fcp_input_requests += stats->InputRequests;
-                fcoe_stats->fcp_output_requests += stats->OutputRequests;
-                fcoe_stats->fcp_control_requests += stats->ControlRequests;
+                struct fc_stats *stats;
+
+                stats = per_cpu_ptr(lport->stats, cpu);
+
+                fc_stats->tx_frames += stats->TxFrames;
+                fc_stats->tx_words += stats->TxWords;
+                fc_stats->rx_frames += stats->RxFrames;
+                fc_stats->rx_words += stats->RxWords;
+                fc_stats->error_frames += stats->ErrorFrames;
+                fc_stats->invalid_crc_count += stats->InvalidCRCCount;
+                fc_stats->fcp_input_requests += stats->InputRequests;
+                fc_stats->fcp_output_requests += stats->OutputRequests;
+                fc_stats->fcp_control_requests += stats->ControlRequests;
                 fcp_in_bytes += stats->InputBytes;
                 fcp_out_bytes += stats->OutputBytes;
-                fcoe_stats->link_failure_count += stats->LinkFailureCount;
+                fc_stats->link_failure_count += stats->LinkFailureCount;
         }
-        fcoe_stats->fcp_input_megabytes = div_u64(fcp_in_bytes, 1000000);
-        fcoe_stats->fcp_output_megabytes = div_u64(fcp_out_bytes, 1000000);
-        fcoe_stats->lip_count = -1;
-        fcoe_stats->nos_count = -1;
-        fcoe_stats->loss_of_sync_count = -1;
-        fcoe_stats->loss_of_signal_count = -1;
-        fcoe_stats->prim_seq_protocol_err_count = -1;
-        fcoe_stats->dumped_frames = -1;
-        return fcoe_stats;
+        fc_stats->fcp_input_megabytes = div_u64(fcp_in_bytes, 1000000);
+        fc_stats->fcp_output_megabytes = div_u64(fcp_out_bytes, 1000000);
+        fc_stats->lip_count = -1;
+        fc_stats->nos_count = -1;
+        fc_stats->loss_of_sync_count = -1;
+        fc_stats->loss_of_signal_count = -1;
+        fc_stats->prim_seq_protocol_err_count = -1;
+        fc_stats->dumped_frames = -1;
+        return fc_stats;
 }
 EXPORT_SYMBOL(fc_get_host_stats);
 
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 8f9dfba3fcf0..ea52ca203c95 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -224,7 +224,7 @@ struct fc_rport_priv {
 };
 
 /**
- * struct fcoe_dev_stats - fcoe stats structure
+ * struct fc_stats - fc stats structure
  * @SecondsSinceLastReset: Seconds since the last reset
  * @TxFrames:              Number of transmitted frames
  * @TxWords:               Number of transmitted words
@@ -244,7 +244,7 @@ struct fc_rport_priv {
  * @VLinkFailureCount:     Number of virtual link failures
  * @MissDiscAdvCount:      Number of missing FIP discovery advertisement
  */
-struct fcoe_dev_stats {
+struct fc_stats {
         u64             SecondsSinceLastReset;
         u64             TxFrames;
         u64             TxWords;
@@ -510,7 +510,7 @@ struct libfc_function_template {
         int (*ddp_done)(struct fc_lport *, u16);
         /*
          * Sets up the DDP context for a given exchange id on the given
-         * scatterlist if LLD supports DDP for FCoE target.
+         * scatterlist if LLD supports DDP for target.
          *
          * STATUS: OPTIONAL
          */
@@ -817,8 +817,7 @@ enum fc_lport_event {
  * @state:                 Identifies the state
  * @boot_time:             Timestamp indicating when the local port came online
  * @host_stats:            SCSI host statistics
- * @dev_stats:             FCoE device stats (TODO: libfc should not be
- *                         FCoE aware)
+ * @stats:                 FC local port stats (TODO separate libfc LLD stats)
  * @retry_count:           Number of retries in the current state
  * @port_id:               FC Port ID
  * @wwpn:                  World Wide Port Name
@@ -867,7 +866,7 @@ struct fc_lport {
         enum fc_lport_state            state;
         unsigned long                  boot_time;
         struct fc_host_statistics      host_stats;
-        struct fcoe_dev_stats __percpu *dev_stats;
+        struct fc_stats __percpu       *stats;
         u8                             retry_count;
 
         /* Fabric information */
@@ -980,8 +979,8 @@ static inline void fc_lport_state_enter(struct fc_lport *lport,
  */
 static inline int fc_lport_init_stats(struct fc_lport *lport)
 {
-        lport->dev_stats = alloc_percpu(struct fcoe_dev_stats);
-        if (!lport->dev_stats)
+        lport->stats = alloc_percpu(struct fc_stats);
+        if (!lport->stats)
                 return -ENOMEM;
         return 0;
 }
@@ -992,7 +991,7 @@ static inline int fc_lport_init_stats(struct fc_lport *lport)
  */
 static inline void fc_lport_free_stats(struct fc_lport *lport)
 {
-        free_percpu(lport->dev_stats);
+        free_percpu(lport->stats);
 }
 
 /**