ath6kl: unify tx function names in htc.c
authorKalle Valo <kvalo@qca.qualcomm.com>
Tue, 6 Sep 2011 08:10:49 +0000 (11:10 +0300)
committerKalle Valo <kvalo@qca.qualcomm.com>
Tue, 6 Sep 2011 08:10:49 +0000 (11:10 +0300)
This is to make it easier follow tx code path inside htc.No functional
changes.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
drivers/net/wireless/ath/ath6kl/htc.c

index 77e548ce2c0374b9dc9603ba5255cb447f6f1fe8..46c6efbcd31b6169857cd6bcf9e61249f661b14a 100644 (file)
@@ -22,7 +22,7 @@
 
 #define CALC_TXRX_PADDED_LEN(dev, len)  (__ALIGN_MASK((len), (dev)->block_mask))
 
-static void ath6kl_htc_buf_align(u8 **buf, unsigned long len)
+static void ath6kl_htc_tx_buf_align(u8 **buf, unsigned long len)
 {
        u8 *align_addr;
 
@@ -33,8 +33,8 @@ static void ath6kl_htc_buf_align(u8 **buf, unsigned long len)
        }
 }
 
-static void htc_prep_send_pkt(struct htc_packet *packet, u8 flags, int ctrl0,
-                             int ctrl1)
+static void ath6kl_htc_tx_prep_pkt(struct htc_packet *packet, u8 flags,
+                                  int ctrl0, int ctrl1)
 {
        struct htc_frame_hdr *hdr;
 
@@ -178,7 +178,8 @@ static void htc_async_tx_scat_complete(struct htc_target *target,
        htc_tx_complete(endpoint, &tx_compq);
 }
 
-static int htc_issue_send(struct htc_target *target, struct htc_packet *packet)
+static int ath6kl_htc_tx_issue(struct htc_target *target,
+                              struct htc_packet *packet)
 {
        int status;
        bool sync = false;
@@ -276,9 +277,9 @@ static int htc_check_credits(struct htc_target *target,
        return 0;
 }
 
-static void htc_tx_pkts_get(struct htc_target *target,
-                           struct htc_endpoint *endpoint,
-                           struct list_head *queue)
+static void ath6kl_htc_tx_pkts_get(struct htc_target *target,
+                                  struct htc_endpoint *endpoint,
+                                  struct list_head *queue)
 {
        int req_cred;
        u8 flags;
@@ -357,11 +358,11 @@ static int htc_get_credit_padding(unsigned int cred_sz, int *len,
        return cred_pad;
 }
 
-static int htc_setup_send_scat_list(struct htc_target *target,
-                                   struct htc_endpoint *endpoint,
-                                   struct hif_scatter_req *scat_req,
-                                   int n_scat,
-                                   struct list_head *queue)
+static int ath6kl_htc_tx_setup_scat_list(struct htc_target *target,
+                                        struct htc_endpoint *endpoint,
+                                        struct hif_scatter_req *scat_req,
+                                        int n_scat,
+                                        struct list_head *queue)
 {
        struct htc_packet *packet;
        int i, len, rem_scat, cred_pad;
@@ -393,12 +394,12 @@ static int htc_setup_send_scat_list(struct htc_target *target,
 
                scat_req->scat_list[i].packet = packet;
                /* prepare packet and flag message as part of a send bundle */
-               htc_prep_send_pkt(packet,
+               ath6kl_htc_tx_prep_pkt(packet,
                                packet->info.tx.flags | HTC_FLAGS_SEND_BUNDLE,
                                cred_pad, packet->info.tx.seqno);
                /* Make sure the buffer is 4-byte aligned */
-               ath6kl_htc_buf_align(&packet->buf,
-                                    packet->act_len + HTC_HDR_LENGTH);
+               ath6kl_htc_tx_buf_align(&packet->buf,
+                                       packet->act_len + HTC_HDR_LENGTH);
                scat_req->scat_list[i].buf = packet->buf;
                scat_req->scat_list[i].len = len;
 
@@ -425,18 +426,17 @@ static int htc_setup_send_scat_list(struct htc_target *target,
 }
 
 /*
- * htc_issue_send_bundle: drain a queue and send as bundles
- * this function may return without fully draining the queue
- * when
+ * Drain a queue and send as bundles this function may return without fully
+ * draining the queue when
  *
  *    1. scatter resources are exhausted
  *    2. a message that will consume a partial credit will stop the
  *    bundling process early
  *    3. we drop below the minimum number of messages for a bundle
  */
-static void htc_issue_send_bundle(struct htc_endpoint *endpoint,
-                                 struct list_head *queue,
-                                 int *sent_bundle, int *n_bundle_pkts)
+static void ath6kl_htc_tx_bundle(struct htc_endpoint *endpoint,
+                                struct list_head *queue,
+                                int *sent_bundle, int *n_bundle_pkts)
 {
        struct htc_target *target = endpoint->target;
        struct hif_scatter_req *scat_req = NULL;
@@ -467,8 +467,9 @@ static void htc_issue_send_bundle(struct htc_endpoint *endpoint,
                scat_req->len = 0;
                scat_req->scat_entries = 0;
 
-               status = htc_setup_send_scat_list(target, endpoint,
-                                                 scat_req, n_scat, queue);
+               status = ath6kl_htc_tx_setup_scat_list(target, endpoint,
+                                                      scat_req, n_scat,
+                                                      queue);
                if (status == -EAGAIN) {
                        hif_scatter_req_add(target->dev->ar, scat_req);
                        break;
@@ -490,14 +491,14 @@ static void htc_issue_send_bundle(struct htc_endpoint *endpoint,
 
        *sent_bundle = n_sent_bundle;
        *n_bundle_pkts = tot_pkts_bundle;
-       ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "htc_issue_send_bundle (sent:%d)\n",
-                  n_sent_bundle);
+       ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "%s (sent:%d)\n",
+                  __func__, n_sent_bundle);
 
        return;
 }
 
-static void htc_tx_from_ep_txq(struct htc_target *target,
-                              struct htc_endpoint *endpoint)
+static void ath6kl_htc_tx_from_queue(struct htc_target *target,
+                                    struct htc_endpoint *endpoint)
 {
        struct list_head txq;
        struct htc_packet *packet;
@@ -525,7 +526,7 @@ static void htc_tx_from_ep_txq(struct htc_target *target,
                if (list_empty(&endpoint->txq))
                        break;
 
-               htc_tx_pkts_get(target, endpoint, &txq);
+               ath6kl_htc_tx_pkts_get(target, endpoint, &txq);
 
                if (list_empty(&txq))
                        break;
@@ -542,8 +543,8 @@ static void htc_tx_from_ep_txq(struct htc_target *target,
                            HTC_MIN_HTC_MSGS_TO_BUNDLE)) {
                                int temp1 = 0, temp2 = 0;
 
-                               htc_issue_send_bundle(endpoint, &txq,
-                                                     &temp1, &temp2);
+                               ath6kl_htc_tx_bundle(endpoint, &txq,
+                                                    &temp1, &temp2);
                                bundle_sent += temp1;
                                n_pkts_bundle += temp2;
                        }
@@ -555,9 +556,9 @@ static void htc_tx_from_ep_txq(struct htc_target *target,
                                                  list);
                        list_del(&packet->list);
 
-                       htc_prep_send_pkt(packet, packet->info.tx.flags,
-                                         0, packet->info.tx.seqno);
-                       htc_issue_send(target, packet);
+                       ath6kl_htc_tx_prep_pkt(packet, packet->info.tx.flags,
+                                              0, packet->info.tx.seqno);
+                       ath6kl_htc_tx_issue(target, packet);
                }
 
                spin_lock_bh(&target->tx_lock);
@@ -570,9 +571,9 @@ static void htc_tx_from_ep_txq(struct htc_target *target,
        spin_unlock_bh(&target->tx_lock);
 }
 
-static bool htc_try_send(struct htc_target *target,
-                        struct htc_endpoint *endpoint,
-                        struct htc_packet *tx_pkt)
+static bool ath6kl_htc_tx_try(struct htc_target *target,
+                             struct htc_endpoint *endpoint,
+                             struct htc_packet *tx_pkt)
 {
        struct htc_ep_callbacks ep_cb;
        int txq_depth;
@@ -608,7 +609,7 @@ static bool htc_try_send(struct htc_target *target,
        list_add_tail(&tx_pkt->list, &endpoint->txq);
        spin_unlock_bh(&target->tx_lock);
 
-       htc_tx_from_ep_txq(target, endpoint);
+       ath6kl_htc_tx_from_queue(target, endpoint);
 
        return true;
 }
@@ -642,7 +643,7 @@ static void htc_chk_ep_txq(struct htc_target *target)
                         * chance to reclaim credits from lower priority
                         * ones.
                         */
-                       htc_tx_from_ep_txq(target, endpoint);
+                       ath6kl_htc_tx_from_queue(target, endpoint);
                        spin_lock_bh(&target->tx_lock);
                }
                spin_unlock_bh(&target->tx_lock);
@@ -694,8 +695,8 @@ static int htc_setup_tx_complete(struct htc_target *target)
 
        /* we want synchronous operation */
        send_pkt->completion = NULL;
-       htc_prep_send_pkt(send_pkt, 0, 0, 0);
-       status = htc_issue_send(target, send_pkt);
+       ath6kl_htc_tx_prep_pkt(send_pkt, 0, 0, 0);
+       status = ath6kl_htc_tx_issue(target, send_pkt);
 
        if (send_pkt != NULL)
                htc_reclaim_txctrl_buf(target, send_pkt);
@@ -747,7 +748,7 @@ int ath6kl_htc_tx(struct htc_target *target, struct htc_packet *packet)
 
        endpoint = &target->endpoint[packet->endpoint];
 
-       if (!htc_try_send(target, endpoint, packet)) {
+       if (!ath6kl_htc_tx_try(target, endpoint, packet)) {
                packet->status = (target->htc_flags & HTC_OP_STATE_STOPPING) ?
                                 -ECANCELED : -ENOSPC;
                INIT_LIST_HEAD(&queue);
@@ -2048,8 +2049,8 @@ int ath6kl_htc_conn_service(struct htc_target *target,
 
                /* we want synchronous operation */
                tx_pkt->completion = NULL;
-               htc_prep_send_pkt(tx_pkt, 0, 0, 0);
-               status = htc_issue_send(target, tx_pkt);
+               ath6kl_htc_tx_prep_pkt(tx_pkt, 0, 0, 0);
+               status = ath6kl_htc_tx_issue(target, tx_pkt);
 
                if (status)
                        goto fail_tx;