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ath6kl: unify tx function names in htc.c

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This is to make it easier follow tx code path inside htc.No functional
changes.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Kalle Valo 2011-09-06 11:10:49 +03:00
parent 0603376045
commit dfa0104c2a
1 changed files with 44 additions and 43 deletions
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87
drivers/net/wireless/ath/ath6kl/htc.c
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@ -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;