*/
#include "core.h"
-#include "htc_hif.h"
+#include "hif.h"
#include "debug.h"
#include "hif-ops.h"
#include <asm/unaligned.h>
#define CALC_TXRX_PADDED_LEN(dev, len) (__ALIGN_MASK((len), (dev)->block_mask))
-static void htc_prep_send_pkt(struct htc_packet *packet, u8 flags, int ctrl0,
- int ctrl1)
+static void ath6kl_htc_tx_buf_align(u8 **buf, unsigned long len)
+{
+ u8 *align_addr;
+
+ if (!IS_ALIGNED((unsigned long) *buf, 4)) {
+ align_addr = PTR_ALIGN(*buf - 4, 4);
+ memmove(align_addr, *buf, len);
+ *buf = align_addr;
+ }
+}
+
+static void ath6kl_htc_tx_prep_pkt(struct htc_packet *packet, u8 flags,
+ int ctrl0, int ctrl1)
{
struct htc_frame_hdr *hdr;
packet->info.tx.cred_used;
endpoint->cred_dist.txq_depth = get_queue_depth(&endpoint->txq);
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "ctxt:0x%p dist:0x%p\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc tx ctxt 0x%p dist 0x%p\n",
target->cred_dist_cntxt, &target->cred_dist_list);
- ath6k_credit_distribute(target->cred_dist_cntxt,
+ ath6kl_credit_distribute(target->cred_dist_cntxt,
&target->cred_dist_list,
HTC_CREDIT_DIST_SEND_COMPLETE);
if (list_empty(txq))
return;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "send complete ep %d, (%d pkts)\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx complete ep %d pkts %d\n",
endpoint->eid, get_queue_depth(txq));
ath6kl_tx_complete(endpoint->target->dev->ar, txq);
INIT_LIST_HEAD(&tx_compq);
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "htc_async_tx_scat_complete total len: %d entries: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx scat complete len %d entries %d\n",
scat_req->len, scat_req->scat_entries);
if (scat_req->status)
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;
send_len = packet->act_len + HTC_HDR_LENGTH;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "%s: transmit len : %d (%s)\n",
- __func__, send_len, sync ? "sync" : "async");
-
padded_len = CALC_TXRX_PADDED_LEN(target, send_len);
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "DevSendPacket, padded len: %d mbox:0x%X (mode:%s)\n",
- padded_len,
- target->dev->ar->mbox_info.htc_addr,
- sync ? "sync" : "async");
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx issue len %d padded_len %d mbox 0x%X %s\n",
+ send_len, padded_len,
+ target->dev->ar->mbox_info.htc_addr,
+ sync ? "sync" : "async");
if (sync) {
status = hif_read_write_sync(target->dev->ar,
HIF_WR_SYNC_BLOCK_INC);
packet->status = status;
- packet->buf += HTC_HDR_LENGTH;
+ packet->buf += HTC_HDR_LENGTH;
} else
status = hif_write_async(target->dev->ar,
target->dev->ar->mbox_info.htc_addr,
*req_cred = (len > target->tgt_cred_sz) ?
DIV_ROUND_UP(len, target->tgt_cred_sz) : 1;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "creds required:%d got:%d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds required %d got %d\n",
*req_cred, ep->cred_dist.credits);
if (ep->cred_dist.credits < *req_cred) {
/* Seek more credits */
ep->cred_dist.seek_cred = *req_cred - ep->cred_dist.credits;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "ctxt:0x%p dist:0x%p\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds ctxt 0x%p dist 0x%p\n",
target->cred_dist_cntxt, &ep->cred_dist);
- ath6k_seek_credits(target->cred_dist_cntxt, &ep->cred_dist);
+ ath6kl_seek_credits(target->cred_dist_cntxt, &ep->cred_dist);
ep->cred_dist.seek_cred = 0;
if (ep->cred_dist.credits < *req_cred) {
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "not enough credits for ep %d - leaving packet in queue\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc creds not enough credits for ep %d\n",
eid);
return -EINVAL;
}
ep->cred_dist.seek_cred =
ep->cred_dist.cred_per_msg - ep->cred_dist.credits;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "ctxt:0x%p dist:0x%p\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds ctxt 0x%p dist 0x%p\n",
target->cred_dist_cntxt, &ep->cred_dist);
- ath6k_seek_credits(target->cred_dist_cntxt, &ep->cred_dist);
+ ath6kl_seek_credits(target->cred_dist_cntxt, &ep->cred_dist);
/* see if we were successful in getting more */
if (ep->cred_dist.credits < ep->cred_dist.cred_per_msg) {
/* tell the target we need credits ASAP! */
*flags |= HTC_FLAGS_NEED_CREDIT_UPDATE;
ep->ep_st.cred_low_indicate += 1;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "host needs credits\n");
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds host needs credits\n");
}
}
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;
packet = list_first_entry(&endpoint->txq, struct htc_packet,
list);
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "got head pkt:0x%p , queue depth: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx got packet 0x%p queue depth %d\n",
packet, get_queue_depth(&endpoint->txq));
len = CALC_TXRX_PADDED_LEN(target,
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;
cred_pad = htc_get_credit_padding(target->tgt_cred_sz,
&len, endpoint);
- if (cred_pad < 0) {
- status = -EINVAL;
- break;
- }
-
- if (rem_scat < len) {
- /* exceeds what we can transfer */
+ if (cred_pad < 0 || rem_scat < len) {
status = -ENOSPC;
break;
}
rem_scat -= len;
/* now remove it from the queue */
- packet = list_first_entry(queue, struct htc_packet, list);
list_del(&packet->list);
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_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;
scat_req->len += len;
scat_req->scat_entries++;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "%d, adding pkt : 0x%p len:%d (remaining space:%d)\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx adding (%d) pkt 0x%p len %d remaining %d\n",
i, packet, len, rem_scat);
}
/* Roll back scatter setup in case of any failure */
- if (status || (scat_req->scat_entries < HTC_MIN_HTC_MSGS_TO_BUNDLE)) {
+ if (scat_req->scat_entries < HTC_MIN_HTC_MSGS_TO_BUNDLE) {
for (i = scat_req->scat_entries - 1; i >= 0; i--) {
packet = scat_req->scat_list[i].packet;
if (packet) {
list_add(&packet->list, queue);
}
}
- return -EINVAL;
+ return -EAGAIN;
}
- return 0;
+ return status;
}
/*
- * 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;
int n_scat, n_sent_bundle = 0, tot_pkts_bundle = 0;
+ int status;
while (true) {
+ status = 0;
n_scat = get_queue_depth(queue);
n_scat = min(n_scat, target->msg_per_bndl_max);
if (!scat_req) {
/* no scatter resources */
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "no more scatter resources\n");
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx no more scatter resources\n");
break;
}
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "pkts to scatter: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc tx pkts to scatter: %d\n",
n_scat);
scat_req->len = 0;
scat_req->scat_entries = 0;
- if (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;
}
n_sent_bundle++;
tot_pkts_bundle += scat_req->scat_entries;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "send scatter total bytes: %d , entries: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx scatter bytes %d entries %d\n",
scat_req->len, scat_req->scat_entries);
- ath6kldev_submit_scat_req(target->dev, scat_req, false);
+ ath6kl_hif_submit_scat_req(target->dev, scat_req, false);
+
+ if (status)
+ break;
}
*sent_bundle = n_sent_bundle;
*n_bundle_pkts = tot_pkts_bundle;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "htc_issue_send_bundle (sent:%d)\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc tx bundle sent %d pkts\n",
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;
if (endpoint->tx_proc_cnt > 1) {
endpoint->tx_proc_cnt--;
spin_unlock_bh(&target->tx_lock);
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "htc_try_send (busy)\n");
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc tx busy\n");
return;
}
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;
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;
}
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);
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;
overflow = true;
if (overflow)
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "ep %d, tx queue will overflow :%d , tx depth:%d, max:%d\n",
- endpoint->eid, overflow, txq_depth,
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx overflow ep %d depth %d max %d\n",
+ endpoint->eid, txq_depth,
endpoint->max_txq_depth);
if (overflow && ep_cb.tx_full) {
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "indicating overflowed tx packet: 0x%p\n", tx_pkt);
-
if (ep_cb.tx_full(endpoint->target, tx_pkt) ==
HTC_SEND_FULL_DROP) {
endpoint->ep_st.tx_dropped += 1;
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;
}
spin_lock_bh(&target->tx_lock);
if (!list_empty(&endpoint->txq)) {
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "ep %d has %d credits and %d packets in tx queue\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc creds ep %d credits %d pkts %d\n",
cred_dist->endpoint,
endpoint->cred_dist.credits,
get_queue_depth(&endpoint->txq));
* 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);
/* 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);
struct htc_endpoint *endpoint;
struct list_head queue;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "htc_tx: ep id: %d, buf: 0x%p, len: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx ep id %d buf 0x%p len %d\n",
packet->endpoint, packet->buf, packet->act_len);
if (packet->endpoint >= ENDPOINT_MAX) {
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);
list_for_each_entry_safe(packet, tmp_pkt, &discard_q, list) {
packet->status = -ECANCELED;
list_del(&packet->list);
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "flushing tx pkt:0x%p, len:%d, ep:%d tag:0x%X\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx flushing pkt 0x%p len %d ep %d tag 0x%x\n",
packet, packet->act_len,
packet->endpoint, packet->info.tx.tag);
endpoint->cred_dist.txq_depth =
get_queue_depth(&endpoint->txq);
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "ctxt:0x%p dist:0x%p\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc tx activity ctxt 0x%p dist 0x%p\n",
target->cred_dist_cntxt, &target->cred_dist_list);
- ath6k_credit_distribute(target->cred_dist_cntxt,
- &target->cred_dist_list,
- HTC_CREDIT_DIST_ACTIVITY_CHANGE);
+ ath6kl_credit_distribute(target->cred_dist_cntxt,
+ &target->cred_dist_list,
+ HTC_CREDIT_DIST_ACTIVITY_CHANGE);
}
spin_unlock_bh(&target->tx_lock);
/* HTC Rx */
-static inline void htc_update_rx_stats(struct htc_endpoint *endpoint,
- int n_look_ahds)
+static inline void ath6kl_htc_rx_update_stats(struct htc_endpoint *endpoint,
+ int n_look_ahds)
{
endpoint->ep_st.rx_pkts++;
if (n_look_ahds == 1)
spin_unlock_bh(&target->htc_lock);
}
-static int dev_rx_pkt(struct htc_target *target, struct htc_packet *packet,
- u32 rx_len)
+static int ath6kl_htc_rx_packet(struct htc_target *target,
+ struct htc_packet *packet,
+ u32 rx_len)
{
struct ath6kl_device *dev = target->dev;
u32 padded_len;
padded_len = CALC_TXRX_PADDED_LEN(target, rx_len);
if (padded_len > packet->buf_len) {
- ath6kl_err("not enough receive space for packet - padlen:%d recvlen:%d bufferlen:%d\n",
+ ath6kl_err("not enough receive space for packet - padlen %d recvlen %d bufferlen %d\n",
padded_len, rx_len, packet->buf_len);
return -ENOMEM;
}
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "dev_rx_pkt (0x%p : hdr:0x%X) padded len: %d mbox:0x%X (mode:%s)\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx 0x%p hdr x%x len %d mbox 0x%x\n",
packet, packet->info.rx.exp_hdr,
- padded_len, dev->ar->mbox_info.htc_addr, "sync");
+ padded_len, dev->ar->mbox_info.htc_addr);
status = hif_read_write_sync(dev->ar,
dev->ar->mbox_info.htc_addr,
* "hint" that there are more single-packets to fetch
* on this endpoint.
*/
-static void set_rxpkt_indication_flag(u32 lk_ahd,
- struct htc_endpoint *endpoint,
- struct htc_packet *packet)
+static void ath6kl_htc_rx_set_indicate(u32 lk_ahd,
+ struct htc_endpoint *endpoint,
+ struct htc_packet *packet)
{
struct htc_frame_hdr *htc_hdr = (struct htc_frame_hdr *)&lk_ahd;
}
}
-static void chk_rx_water_mark(struct htc_endpoint *endpoint)
+static void ath6kl_htc_rx_chk_water_mark(struct htc_endpoint *endpoint)
{
struct htc_ep_callbacks ep_cb = endpoint->ep_cb;
}
/* This function is called with rx_lock held */
-static int htc_setup_rxpkts(struct htc_target *target, struct htc_endpoint *ep,
- u32 *lk_ahds, struct list_head *queue, int n_msg)
+static int ath6kl_htc_rx_setup(struct htc_target *target,
+ struct htc_endpoint *ep,
+ u32 *lk_ahds, struct list_head *queue, int n_msg)
{
struct htc_packet *packet;
/* FIXME: type of lk_ahds can't be right */
return status;
}
-static int alloc_and_prep_rxpkts(struct htc_target *target,
- u32 lk_ahds[], int msg,
- struct htc_endpoint *endpoint,
- struct list_head *queue)
+static int ath6kl_htc_rx_alloc(struct htc_target *target,
+ u32 lk_ahds[], int msg,
+ struct htc_endpoint *endpoint,
+ struct list_head *queue)
{
int status = 0;
struct htc_packet *packet, *tmp_pkt;
}
endpoint->ep_st.rx_bundle_from_hdr += 1;
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "htc hdr indicates :%d msg can be fetched as a bundle\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx bundle pkts %d\n",
n_msg);
} else
/* HTC header only indicates 1 message to fetch */
n_msg = 1;
/* Setup packet buffers for each message */
- status = htc_setup_rxpkts(target, endpoint, &lk_ahds[i], queue,
- n_msg);
+ status = ath6kl_htc_rx_setup(target, endpoint, &lk_ahds[i],
+ queue, n_msg);
/*
* This is due to unavailabilty of buffers to rx entire data.
ath6kl_err("htc_ctrl_rx, got message with len:%zu\n",
packets->act_len + HTC_HDR_LENGTH);
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES,
- "Unexpected ENDPOINT 0 Message",
- packets->buf - HTC_HDR_LENGTH,
- packets->act_len + HTC_HDR_LENGTH);
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC,
+ "htc rx unexpected endpoint 0 message", "",
+ packets->buf - HTC_HDR_LENGTH,
+ packets->act_len + HTC_HDR_LENGTH);
}
htc_reclaim_rxbuf(context, packets, &context->endpoint[0]);
int tot_credits = 0, i;
bool dist = false;
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "htc_proc_cred_rpt, credit report entries:%d\n", n_entries);
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc creds report entries %d\n", n_entries);
spin_lock_bh(&target->tx_lock);
endpoint = &target->endpoint[rpt->eid];
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, " ep %d got %d credits\n",
- rpt->eid, rpt->credits);
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc creds report ep %d credits %d\n",
+ rpt->eid, rpt->credits);
endpoint->ep_st.tx_cred_rpt += 1;
endpoint->ep_st.cred_retnd += rpt->credits;
tot_credits += rpt->credits;
}
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND,
- "report indicated %d credits to distribute\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc creds report tot_credits %d\n",
tot_credits);
if (dist) {
* This was a credit return based on a completed send
* operations note, this is done with the lock held
*/
- ath6kl_dbg(ATH6KL_DBG_HTC_SEND, "ctxt:0x%p dist:0x%p\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc creds ctxt 0x%p dist 0x%p\n",
target->cred_dist_cntxt, &target->cred_dist_list);
- ath6k_credit_distribute(target->cred_dist_cntxt,
- &target->cred_dist_list,
- HTC_CREDIT_DIST_SEND_COMPLETE);
+ ath6kl_credit_distribute(target->cred_dist_cntxt,
+ &target->cred_dist_list,
+ HTC_CREDIT_DIST_SEND_COMPLETE);
}
spin_unlock_bh(&target->tx_lock);
if ((lk_ahd->pre_valid == ((~lk_ahd->post_valid) & 0xFF))
&& next_lk_ahds) {
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "lk_ahd report found (pre valid:0x%X, post valid:0x%X)\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx lk_ahd found pre_valid 0x%x post_valid 0x%x\n",
lk_ahd->pre_valid, lk_ahd->post_valid);
/* look ahead bytes are valid, copy them over */
memcpy((u8 *)&next_lk_ahds[0], lk_ahd->lk_ahd, 4);
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "Next Look Ahead",
- next_lk_ahds, 4);
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC,
+ "htc rx next look ahead",
+ "", next_lk_ahds, 4);
*n_lk_ahds = 1;
}
bundle_lkahd_rpt =
(struct htc_bundle_lkahd_rpt *) record_buf;
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "Bundle lk_ahd",
- record_buf, record->len);
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC, "htc rx bundle lk_ahd",
+ "", record_buf, record->len);
for (i = 0; i < len; i++) {
memcpy((u8 *)&next_lk_ahds[i],
u8 *record_buf;
u8 *orig_buf;
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV, "+htc_proc_trailer (len:%d)\n", len);
-
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "Recv Trailer", buf, len);
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc rx trailer len %d\n", len);
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC, NULL, "", buf, len);
orig_buf = buf;
orig_len = len;
}
if (status)
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "BAD Recv Trailer",
- orig_buf, orig_len);
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC, "htc rx bad trailer",
+ "", orig_buf, orig_len);
return status;
}
-static int htc_proc_rxhdr(struct htc_target *target,
- struct htc_packet *packet,
- u32 *next_lkahds, int *n_lkahds)
+static int ath6kl_htc_rx_process_hdr(struct htc_target *target,
+ struct htc_packet *packet,
+ u32 *next_lkahds, int *n_lkahds)
{
int status = 0;
u16 payload_len;
if (n_lkahds != NULL)
*n_lkahds = 0;
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "HTC Recv PKT", packet->buf,
- packet->act_len);
-
/*
* NOTE: we cannot assume the alignment of buf, so we use the safe
* macros to retrieve 16 bit fields.
}
if (lk_ahd != packet->info.rx.exp_hdr) {
- ath6kl_err("htc_proc_rxhdr, lk_ahd mismatch! (pPkt:0x%p flags:0x%X)\n",
- packet, packet->info.rx.rx_flags);
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "Expected Message lk_ahd",
- &packet->info.rx.exp_hdr, 4);
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "Current Frame Header",
- (u8 *)&lk_ahd, sizeof(lk_ahd));
+ ath6kl_err("%s(): lk_ahd mismatch! (pPkt:0x%p flags:0x%X)\n",
+ __func__, packet, packet->info.rx.rx_flags);
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC, "htc rx expected lk_ahd",
+ "", &packet->info.rx.exp_hdr, 4);
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC, "htc rx current header",
+ "", (u8 *)&lk_ahd, sizeof(lk_ahd));
status = -ENOMEM;
goto fail_rx;
}
if (htc_hdr->flags & HTC_FLG_RX_TRAILER) {
if (htc_hdr->ctrl[0] < sizeof(struct htc_record_hdr) ||
htc_hdr->ctrl[0] > payload_len) {
- ath6kl_err("htc_proc_rxhdr, invalid hdr (payload len should be :%d, CB[0] is:%d)\n",
- payload_len, htc_hdr->ctrl[0]);
+ ath6kl_err("%s(): invalid hdr (payload len should be :%d, CB[0] is:%d)\n",
+ __func__, payload_len, htc_hdr->ctrl[0]);
status = -ENOMEM;
goto fail_rx;
}
fail_rx:
if (status)
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES, "BAD HTC Recv PKT",
- packet->buf,
- packet->act_len < 256 ? packet->act_len : 256);
- else {
- if (packet->act_len > 0)
- ath6kl_dbg_dump(ATH6KL_DBG_RAW_BYTES,
- "HTC - Application Msg",
- packet->buf, packet->act_len);
- }
+ ath6kl_dbg_dump(ATH6KL_DBG_HTC, "htc rx bad packet",
+ "", packet->buf, packet->act_len);
return status;
}
-static void do_rx_completion(struct htc_endpoint *endpoint,
- struct htc_packet *packet)
+static void ath6kl_htc_rx_complete(struct htc_endpoint *endpoint,
+ struct htc_packet *packet)
{
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "htc calling ep %d recv callback on packet 0x%p\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx complete ep %d packet 0x%p\n",
endpoint->eid, packet);
endpoint->ep_cb.rx(endpoint->target, packet);
}
-static int htc_issue_rxpkt_bundle(struct htc_target *target,
- struct list_head *rxq,
- struct list_head *sync_compq,
- int *n_pkt_fetched, bool part_bundle)
+static int ath6kl_htc_rx_bundle(struct htc_target *target,
+ struct list_head *rxq,
+ struct list_head *sync_compq,
+ int *n_pkt_fetched, bool part_bundle)
{
struct hif_scatter_req *scat_req;
struct htc_packet *packet;
* This would only happen if the target ignored our max
* bundle limit.
*/
- ath6kl_warn("htc_issue_rxpkt_bundle : partial bundle detected num:%d , %d\n",
- get_queue_depth(rxq), n_scat_pkt);
+ ath6kl_warn("%s(): partial bundle detected num:%d , %d\n",
+ __func__, get_queue_depth(rxq), n_scat_pkt);
}
len = 0;
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "htc_issue_rxpkt_bundle (numpackets: %d , actual : %d)\n",
- get_queue_depth(rxq), n_scat_pkt);
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx bundle depth %d pkts %d\n",
+ get_queue_depth(rxq), n_scat_pkt);
scat_req = hif_scatter_req_get(target->dev->ar);
scat_req->len = len;
scat_req->scat_entries = i;
- status = ath6kldev_submit_scat_req(target->dev, scat_req, true);
+ status = ath6kl_hif_submit_scat_req(target->dev, scat_req, true);
if (!status)
*n_pkt_fetched = i;
return status;
}
-static int htc_proc_fetched_rxpkts(struct htc_target *target,
- struct list_head *comp_pktq, u32 lk_ahds[],
- int *n_lk_ahd)
+static int ath6kl_htc_rx_process_packets(struct htc_target *target,
+ struct list_head *comp_pktq,
+ u32 lk_ahds[],
+ int *n_lk_ahd)
{
struct htc_packet *packet, *tmp_pkt;
struct htc_endpoint *ep;
int status = 0;
list_for_each_entry_safe(packet, tmp_pkt, comp_pktq, list) {
- list_del(&packet->list);
ep = &target->endpoint[packet->endpoint];
/* process header for each of the recv packet */
- status = htc_proc_rxhdr(target, packet, lk_ahds, n_lk_ahd);
+ status = ath6kl_htc_rx_process_hdr(target, packet, lk_ahds,
+ n_lk_ahd);
if (status)
return status;
+ list_del(&packet->list);
+
if (list_empty(comp_pktq)) {
/*
* Last packet's more packet flag is set
* based on the lookahead.
*/
if (*n_lk_ahd > 0)
- set_rxpkt_indication_flag(lk_ahds[0],
- ep, packet);
+ ath6kl_htc_rx_set_indicate(lk_ahds[0],
+ ep, packet);
} else
/*
* Packets in a bundle automatically have
packet->info.rx.indicat_flags |=
HTC_RX_FLAGS_INDICATE_MORE_PKTS;
- htc_update_rx_stats(ep, *n_lk_ahd);
+ ath6kl_htc_rx_update_stats(ep, *n_lk_ahd);
if (packet->info.rx.rx_flags & HTC_RX_PKT_PART_OF_BUNDLE)
ep->ep_st.rx_bundl += 1;
- do_rx_completion(ep, packet);
+ ath6kl_htc_rx_complete(ep, packet);
}
return status;
}
-static int htc_fetch_rxpkts(struct htc_target *target,
- struct list_head *rx_pktq,
- struct list_head *comp_pktq)
+static int ath6kl_htc_rx_fetch(struct htc_target *target,
+ struct list_head *rx_pktq,
+ struct list_head *comp_pktq)
{
int fetched_pkts;
bool part_bundle = false;
int status = 0;
+ struct list_head tmp_rxq;
+ struct htc_packet *packet, *tmp_pkt;
/* now go fetch the list of HTC packets */
while (!list_empty(rx_pktq)) {
fetched_pkts = 0;
+ INIT_LIST_HEAD(&tmp_rxq);
+
if (target->rx_bndl_enable && (get_queue_depth(rx_pktq) > 1)) {
/*
* There are enough packets to attempt a
* bundle transfer and recv bundling is
* allowed.
*/
- status = htc_issue_rxpkt_bundle(target, rx_pktq,
- comp_pktq,
- &fetched_pkts,
- part_bundle);
+ status = ath6kl_htc_rx_bundle(target, rx_pktq,
+ &tmp_rxq,
+ &fetched_pkts,
+ part_bundle);
if (status)
- return status;
+ goto fail_rx;
if (!list_empty(rx_pktq))
part_bundle = true;
+
+ list_splice_tail_init(&tmp_rxq, comp_pktq);
}
if (!fetched_pkts) {
- struct htc_packet *packet;
packet = list_first_entry(rx_pktq, struct htc_packet,
list);
- list_del(&packet->list);
-
/* fully synchronous */
packet->completion = NULL;
- if (!list_empty(rx_pktq))
+ if (!list_is_singular(rx_pktq))
/*
* look_aheads in all packet
* except the last one in the
HTC_RX_PKT_IGNORE_LOOKAHEAD;
/* go fetch the packet */
- status = dev_rx_pkt(target, packet, packet->act_len);
+ status = ath6kl_htc_rx_packet(target, packet,
+ packet->act_len);
+
+ list_move_tail(&packet->list, &tmp_rxq);
+
if (status)
- return status;
+ goto fail_rx;
- list_add_tail(&packet->list, comp_pktq);
+ list_splice_tail_init(&tmp_rxq, comp_pktq);
}
}
+ return 0;
+
+fail_rx:
+
+ /*
+ * Cleanup any packets we allocated but didn't use to
+ * actually fetch any packets.
+ */
+
+ list_for_each_entry_safe(packet, tmp_pkt, rx_pktq, list) {
+ list_del(&packet->list);
+ htc_reclaim_rxbuf(target, packet,
+ &target->endpoint[packet->endpoint]);
+ }
+
+ list_for_each_entry_safe(packet, tmp_pkt, &tmp_rxq, list) {
+ list_del(&packet->list);
+ htc_reclaim_rxbuf(target, packet,
+ &target->endpoint[packet->endpoint]);
+ }
+
return status;
}
int ath6kl_htc_rxmsg_pending_handler(struct htc_target *target,
- u32 msg_look_ahead[], int *num_pkts)
+ u32 msg_look_ahead, int *num_pkts)
{
struct htc_packet *packets, *tmp_pkt;
struct htc_endpoint *endpoint;
* On first entry copy the look_aheads into our temp array for
* processing
*/
- memcpy(look_aheads, msg_look_ahead, sizeof(look_aheads));
+ look_aheads[0] = msg_look_ahead;
while (true) {
* Try to allocate as many HTC RX packets indicated by the
* look_aheads.
*/
- status = alloc_and_prep_rxpkts(target, look_aheads,
- num_look_ahead, endpoint,
- &rx_pktq);
+ status = ath6kl_htc_rx_alloc(target, look_aheads,
+ num_look_ahead, endpoint,
+ &rx_pktq);
if (status)
break;
num_look_ahead = 0;
- status = htc_fetch_rxpkts(target, &rx_pktq, &comp_pktq);
+ status = ath6kl_htc_rx_fetch(target, &rx_pktq, &comp_pktq);
if (!status)
- chk_rx_water_mark(endpoint);
+ ath6kl_htc_rx_chk_water_mark(endpoint);
/* Process fetched packets */
- status = htc_proc_fetched_rxpkts(target, &comp_pktq,
- look_aheads, &num_look_ahead);
+ status = ath6kl_htc_rx_process_packets(target, &comp_pktq,
+ look_aheads,
+ &num_look_ahead);
if (!num_look_ahead || status)
break;
if (status) {
ath6kl_err("failed to get pending recv messages: %d\n",
status);
- /*
- * Cleanup any packets we allocated but didn't use to
- * actually fetch any packets.
- */
- list_for_each_entry_safe(packets, tmp_pkt, &rx_pktq, list) {
- list_del(&packets->list);
- htc_reclaim_rxbuf(target, packets,
- &target->endpoint[packets->endpoint]);
- }
/* cleanup any packets in sync completion queue */
list_for_each_entry_safe(packets, tmp_pkt, &comp_pktq, list) {
if (target->htc_flags & HTC_OP_STATE_STOPPING) {
ath6kl_warn("host is going to stop blocking receiver for htc_stop\n");
- ath6kldev_rx_control(target->dev, false);
+ ath6kl_hif_rx_control(target->dev, false);
}
}
*/
if (target->rx_st_flags & HTC_RECV_WAIT_BUFFERS) {
ath6kl_warn("host has no rx buffers blocking receiver to prevent overrun\n");
- ath6kldev_rx_control(target->dev, false);
+ ath6kl_hif_rx_control(target->dev, false);
}
*num_pkts = n_fetched;
struct htc_frame_hdr *htc_hdr;
u32 look_ahead;
- if (ath6kldev_poll_mboxmsg_rx(target->dev, &look_ahead,
+ if (ath6kl_hif_poll_mboxmsg_rx(target->dev, &look_ahead,
HTC_TARGET_RESPONSE_TIMEOUT))
return NULL;
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "htc_wait_for_ctrl_msg: look_ahead : 0x%X\n", look_ahead);
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx wait ctrl look_ahead 0x%X\n", look_ahead);
htc_hdr = (struct htc_frame_hdr *)&look_ahead;
packet->completion = NULL;
/* get the message from the device, this will block */
- if (dev_rx_pkt(target, packet, packet->act_len))
+ if (ath6kl_htc_rx_packet(target, packet, packet->act_len))
goto fail_ctrl_rx;
/* process receive header */
- packet->status = htc_proc_rxhdr(target, packet, NULL, NULL);
+ packet->status = ath6kl_htc_rx_process_hdr(target, packet, NULL, NULL);
if (packet->status) {
- ath6kl_err("htc_wait_for_ctrl_msg, htc_proc_rxhdr failed (status = %d)\n",
+ ath6kl_err("htc_wait_for_ctrl_msg, ath6kl_htc_rx_process_hdr failed (status = %d)\n",
packet->status);
goto fail_ctrl_rx;
}
depth = get_queue_depth(pkt_queue);
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "htc_add_rxbuf_multiple: ep id: %d, cnt:%d, len: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx add multiple ep id %d cnt %d len %d\n",
first_pkt->endpoint, depth, first_pkt->buf_len);
endpoint = &target->endpoint[first_pkt->endpoint];
list_for_each_entry_safe(packet, tmp_pkt, pkt_queue, list) {
packet->status = -ECANCELED;
list_del(&packet->list);
- do_rx_completion(endpoint, packet);
+ ath6kl_htc_rx_complete(endpoint, packet);
}
return status;
/* check if we are blocked waiting for a new buffer */
if (target->rx_st_flags & HTC_RECV_WAIT_BUFFERS) {
if (target->ep_waiting == first_pkt->endpoint) {
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "receiver was blocked on ep:%d, unblocking.\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx blocked on ep %d, unblocking\n",
target->ep_waiting);
target->rx_st_flags &= ~HTC_RECV_WAIT_BUFFERS;
target->ep_waiting = ENDPOINT_MAX;
if (rx_unblock && !(target->htc_flags & HTC_OP_STATE_STOPPING))
/* TODO : implement a buffer threshold count? */
- ath6kldev_rx_control(target->dev, true);
+ ath6kl_hif_rx_control(target->dev, true);
return status;
}
&endpoint->rx_bufq, list) {
list_del(&packet->list);
spin_unlock_bh(&target->rx_lock);
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "flushing rx pkt:0x%p, len:%d, ep:%d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc rx flush pkt 0x%p len %d ep %d\n",
packet, packet->buf_len,
packet->endpoint);
dev_kfree_skb(packet->pkt_cntxt);
unsigned int max_msg_sz = 0;
int status = 0;
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "htc_conn_service, target:0x%p service id:0x%X\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc connect service target 0x%p service id 0x%x\n",
target, conn_req->svc_id);
if (conn_req->svc_id == HTC_CTRL_RSVD_SVC) {
/* 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;
target->msg_per_bndl_max = min(target->max_scat_entries,
target->msg_per_bndl_max);
- ath6kl_dbg(ATH6KL_DBG_TRC,
- "htc bundling allowed. max msg per htc bundle: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc bundling allowed msg_per_bndl_max %d\n",
target->msg_per_bndl_max);
/* Max rx bundle size is limited by the max tx bundle size */
target->max_tx_bndl_sz = min(HIF_MBOX0_EXT_WIDTH,
target->max_xfer_szper_scatreq);
- ath6kl_dbg(ATH6KL_DBG_ANY, "max recv: %d max send: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc max_rx_bndl_sz %d max_tx_bndl_sz %d\n",
target->max_rx_bndl_sz, target->max_tx_bndl_sz);
if (target->max_tx_bndl_sz)
target->tgt_creds = le16_to_cpu(rdy_msg->ver2_0_info.cred_cnt);
target->tgt_cred_sz = le16_to_cpu(rdy_msg->ver2_0_info.cred_sz);
- ath6kl_dbg(ATH6KL_DBG_HTC_RECV,
- "target ready: credits: %d credit size: %d\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC,
+ "htc target ready credits %d size %d\n",
target->tgt_creds, target->tgt_cred_sz);
/* check if this is an extended ready message */
target->msg_per_bndl_max = 0;
}
- ath6kl_dbg(ATH6KL_DBG_TRC, "using htc protocol version : %s (%d)\n",
+ ath6kl_dbg(ATH6KL_DBG_HTC, "htc using protocol %s (%d)\n",
(target->htc_tgt_ver == HTC_VERSION_2P0) ? "2.0" : ">= 2.1",
target->htc_tgt_ver);
int status;
/* Disable interrupts at the chip level */
- ath6kldev_disable_intrs(target->dev);
+ ath6kl_hif_disable_intrs(target->dev);
target->htc_flags = 0;
target->rx_st_flags = 0;
}
/* NOTE: the first entry in the distribution list is ENDPOINT_0 */
- ath6k_credit_init(target->cred_dist_cntxt, &target->cred_dist_list,
- target->tgt_creds);
+ ath6kl_credit_init(target->cred_dist_cntxt, &target->cred_dist_list,
+ target->tgt_creds);
dump_cred_dist_stats(target);
return status;
/* unmask interrupts */
- status = ath6kldev_unmask_intrs(target->dev);
+ status = ath6kl_hif_unmask_intrs(target->dev);
if (status)
ath6kl_htc_stop(target);
* function returns all pending HIF I/O has completed, we can
* safely flush the queues.
*/
- ath6kldev_mask_intrs(target->dev);
+ ath6kl_hif_mask_intrs(target->dev);
ath6kl_htc_flush_txep_all(target);
reset_ep_state(target);
- status = ath6kldev_setup(target->dev);
+ status = ath6kl_hif_setup(target->dev);
if (status)
goto fail_create_htc;
projects / cascardo / linux.git / blobdiff