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path: root/drivers/net/wireless/ath/ath10k/htc.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htc.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/htc.c121
1 files changed, 56 insertions, 65 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c
index 5fdc40d3b378..676bd4ed969b 100644
--- a/drivers/net/wireless/ath/ath10k/htc.c
+++ b/drivers/net/wireless/ath/ath10k/htc.c
@@ -45,10 +45,8 @@ static struct sk_buff *ath10k_htc_build_tx_ctrl_skb(void *ar)
struct ath10k_skb_cb *skb_cb;
skb = dev_alloc_skb(ATH10K_HTC_CONTROL_BUFFER_SIZE);
- if (!skb) {
- ath10k_warn("Unable to allocate ctrl skb\n");
+ if (!skb)
return NULL;
- }
skb_reserve(skb, 20); /* FIXME: why 20 bytes? */
WARN_ONCE((unsigned long)skb->data & 3, "unaligned skb");
@@ -56,7 +54,7 @@ static struct sk_buff *ath10k_htc_build_tx_ctrl_skb(void *ar)
skb_cb = ATH10K_SKB_CB(skb);
memset(skb_cb, 0, sizeof(*skb_cb));
- ath10k_dbg(ATH10K_DBG_HTC, "%s: skb %p\n", __func__, skb);
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: skb %p\n", __func__, skb);
return skb;
}
@@ -72,13 +70,15 @@ static inline void ath10k_htc_restore_tx_skb(struct ath10k_htc *htc,
static void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep,
struct sk_buff *skb)
{
- ath10k_dbg(ATH10K_DBG_HTC, "%s: ep %d skb %p\n", __func__,
+ struct ath10k *ar = ep->htc->ar;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %p\n", __func__,
ep->eid, skb);
ath10k_htc_restore_tx_skb(ep->htc, skb);
if (!ep->ep_ops.ep_tx_complete) {
- ath10k_warn("no tx handler for eid %d\n", ep->eid);
+ ath10k_warn(ar, "no tx handler for eid %d\n", ep->eid);
dev_kfree_skb_any(skb);
return;
}
@@ -89,12 +89,14 @@ static void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep,
/* assumes tx_lock is held */
static bool ath10k_htc_ep_need_credit_update(struct ath10k_htc_ep *ep)
{
+ struct ath10k *ar = ep->htc->ar;
+
if (!ep->tx_credit_flow_enabled)
return false;
if (ep->tx_credits >= ep->tx_credits_per_max_message)
return false;
- ath10k_dbg(ATH10K_DBG_HTC, "HTC: endpoint %d needs credit update\n",
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "HTC: endpoint %d needs credit update\n",
ep->eid);
return true;
}
@@ -123,6 +125,7 @@ int ath10k_htc_send(struct ath10k_htc *htc,
enum ath10k_htc_ep_id eid,
struct sk_buff *skb)
{
+ struct ath10k *ar = htc->ar;
struct ath10k_htc_ep *ep = &htc->endpoint[eid];
struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
struct ath10k_hif_sg_item sg_item;
@@ -134,18 +137,10 @@ int ath10k_htc_send(struct ath10k_htc *htc,
return -ECOMM;
if (eid >= ATH10K_HTC_EP_COUNT) {
- ath10k_warn("Invalid endpoint id: %d\n", eid);
+ ath10k_warn(ar, "Invalid endpoint id: %d\n", eid);
return -ENOENT;
}
- /* FIXME: This looks ugly, can we fix it? */
- spin_lock_bh(&htc->tx_lock);
- if (htc->stopped) {
- spin_unlock_bh(&htc->tx_lock);
- return -ESHUTDOWN;
- }
- spin_unlock_bh(&htc->tx_lock);
-
skb_push(skb, sizeof(struct ath10k_htc_hdr));
if (ep->tx_credit_flow_enabled) {
@@ -157,7 +152,7 @@ int ath10k_htc_send(struct ath10k_htc *htc,
goto err_pull;
}
ep->tx_credits -= credits;
- ath10k_dbg(ATH10K_DBG_HTC,
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
"htc ep %d consumed %d credits (total %d)\n",
eid, credits, ep->tx_credits);
spin_unlock_bh(&htc->tx_lock);
@@ -188,7 +183,7 @@ err_credits:
if (ep->tx_credit_flow_enabled) {
spin_lock_bh(&htc->tx_lock);
ep->tx_credits += credits;
- ath10k_dbg(ATH10K_DBG_HTC,
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
"htc ep %d reverted %d credits back (total %d)\n",
eid, credits, ep->tx_credits);
spin_unlock_bh(&htc->tx_lock);
@@ -227,11 +222,12 @@ ath10k_htc_process_credit_report(struct ath10k_htc *htc,
int len,
enum ath10k_htc_ep_id eid)
{
+ struct ath10k *ar = htc->ar;
struct ath10k_htc_ep *ep;
int i, n_reports;
if (len % sizeof(*report))
- ath10k_warn("Uneven credit report len %d", len);
+ ath10k_warn(ar, "Uneven credit report len %d", len);
n_reports = len / sizeof(*report);
@@ -243,7 +239,7 @@ ath10k_htc_process_credit_report(struct ath10k_htc *htc,
ep = &htc->endpoint[report->eid];
ep->tx_credits += report->credits;
- ath10k_dbg(ATH10K_DBG_HTC, "htc ep %d got %d credits (total %d)\n",
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "htc ep %d got %d credits (total %d)\n",
report->eid, report->credits, ep->tx_credits);
if (ep->ep_ops.ep_tx_credits) {
@@ -260,6 +256,7 @@ static int ath10k_htc_process_trailer(struct ath10k_htc *htc,
int length,
enum ath10k_htc_ep_id src_eid)
{
+ struct ath10k *ar = htc->ar;
int status = 0;
struct ath10k_htc_record *record;
u8 *orig_buffer;
@@ -279,7 +276,7 @@ static int ath10k_htc_process_trailer(struct ath10k_htc *htc,
if (record->hdr.len > length) {
/* no room left in buffer for record */
- ath10k_warn("Invalid record length: %d\n",
+ ath10k_warn(ar, "Invalid record length: %d\n",
record->hdr.len);
status = -EINVAL;
break;
@@ -289,7 +286,7 @@ static int ath10k_htc_process_trailer(struct ath10k_htc *htc,
case ATH10K_HTC_RECORD_CREDITS:
len = sizeof(struct ath10k_htc_credit_report);
if (record->hdr.len < len) {
- ath10k_warn("Credit report too long\n");
+ ath10k_warn(ar, "Credit report too long\n");
status = -EINVAL;
break;
}
@@ -299,7 +296,7 @@ static int ath10k_htc_process_trailer(struct ath10k_htc *htc,
src_eid);
break;
default:
- ath10k_warn("Unhandled record: id:%d length:%d\n",
+ ath10k_warn(ar, "Unhandled record: id:%d length:%d\n",
record->hdr.id, record->hdr.len);
break;
}
@@ -313,7 +310,7 @@ static int ath10k_htc_process_trailer(struct ath10k_htc *htc,
}
if (status)
- ath10k_dbg_dump(ATH10K_DBG_HTC, "htc rx bad trailer", "",
+ ath10k_dbg_dump(ar, ATH10K_DBG_HTC, "htc rx bad trailer", "",
orig_buffer, orig_length);
return status;
@@ -339,8 +336,8 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
eid = hdr->eid;
if (eid >= ATH10K_HTC_EP_COUNT) {
- ath10k_warn("HTC Rx: invalid eid %d\n", eid);
- ath10k_dbg_dump(ATH10K_DBG_HTC, "htc bad header", "",
+ ath10k_warn(ar, "HTC Rx: invalid eid %d\n", eid);
+ ath10k_dbg_dump(ar, ATH10K_DBG_HTC, "htc bad header", "",
hdr, sizeof(*hdr));
status = -EINVAL;
goto out;
@@ -360,19 +357,19 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
payload_len = __le16_to_cpu(hdr->len);
if (payload_len + sizeof(*hdr) > ATH10K_HTC_MAX_LEN) {
- ath10k_warn("HTC rx frame too long, len: %zu\n",
+ ath10k_warn(ar, "HTC rx frame too long, len: %zu\n",
payload_len + sizeof(*hdr));
- ath10k_dbg_dump(ATH10K_DBG_HTC, "htc bad rx pkt len", "",
+ ath10k_dbg_dump(ar, ATH10K_DBG_HTC, "htc bad rx pkt len", "",
hdr, sizeof(*hdr));
status = -EINVAL;
goto out;
}
if (skb->len < payload_len) {
- ath10k_dbg(ATH10K_DBG_HTC,
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
"HTC Rx: insufficient length, got %d, expected %d\n",
skb->len, payload_len);
- ath10k_dbg_dump(ATH10K_DBG_HTC, "htc bad rx pkt len",
+ ath10k_dbg_dump(ar, ATH10K_DBG_HTC, "htc bad rx pkt len",
"", hdr, sizeof(*hdr));
status = -EINVAL;
goto out;
@@ -388,7 +385,7 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
if ((trailer_len < min_len) ||
(trailer_len > payload_len)) {
- ath10k_warn("Invalid trailer length: %d\n",
+ ath10k_warn(ar, "Invalid trailer length: %d\n",
trailer_len);
status = -EPROTO;
goto out;
@@ -421,7 +418,7 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
* this is a fatal error, target should not be
* sending unsolicited messages on the ep 0
*/
- ath10k_warn("HTC rx ctrl still processing\n");
+ ath10k_warn(ar, "HTC rx ctrl still processing\n");
status = -EINVAL;
complete(&htc->ctl_resp);
goto out;
@@ -442,7 +439,7 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
goto out;
}
- ath10k_dbg(ATH10K_DBG_HTC, "htc rx completion ep %d skb %p\n",
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "htc rx completion ep %d skb %p\n",
eid, skb);
ep->ep_ops.ep_rx_complete(ar, skb);
@@ -459,7 +456,7 @@ static void ath10k_htc_control_rx_complete(struct ath10k *ar,
{
/* This is unexpected. FW is not supposed to send regular rx on this
* endpoint. */
- ath10k_warn("unexpected htc rx\n");
+ ath10k_warn(ar, "unexpected htc rx\n");
kfree_skb(skb);
}
@@ -546,6 +543,7 @@ static u8 ath10k_htc_get_credit_allocation(struct ath10k_htc *htc,
int ath10k_htc_wait_target(struct ath10k_htc *htc)
{
+ struct ath10k *ar = htc->ar;
int i, status = 0;
struct ath10k_htc_svc_conn_req conn_req;
struct ath10k_htc_svc_conn_resp conn_resp;
@@ -563,25 +561,25 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
* iomap writes unmasking PCI CE irqs aren't propagated
* properly in KVM PCI-passthrough sometimes.
*/
- ath10k_warn("failed to receive control response completion, polling..\n");
+ ath10k_warn(ar, "failed to receive control response completion, polling..\n");
for (i = 0; i < CE_COUNT; i++)
ath10k_hif_send_complete_check(htc->ar, i, 1);
status = wait_for_completion_timeout(&htc->ctl_resp,
- ATH10K_HTC_WAIT_TIMEOUT_HZ);
+ ATH10K_HTC_WAIT_TIMEOUT_HZ);
if (status == 0)
status = -ETIMEDOUT;
}
if (status < 0) {
- ath10k_err("ctl_resp never came in (%d)\n", status);
+ ath10k_err(ar, "ctl_resp never came in (%d)\n", status);
return status;
}
if (htc->control_resp_len < sizeof(msg->hdr) + sizeof(msg->ready)) {
- ath10k_err("Invalid HTC ready msg len:%d\n",
+ ath10k_err(ar, "Invalid HTC ready msg len:%d\n",
htc->control_resp_len);
return -ECOMM;
}
@@ -592,21 +590,21 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
credit_size = __le16_to_cpu(msg->ready.credit_size);
if (message_id != ATH10K_HTC_MSG_READY_ID) {
- ath10k_err("Invalid HTC ready msg: 0x%x\n", message_id);
+ ath10k_err(ar, "Invalid HTC ready msg: 0x%x\n", message_id);
return -ECOMM;
}
htc->total_transmit_credits = credit_count;
htc->target_credit_size = credit_size;
- ath10k_dbg(ATH10K_DBG_HTC,
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
"Target ready! transmit resources: %d size:%d\n",
htc->total_transmit_credits,
htc->target_credit_size);
if ((htc->total_transmit_credits == 0) ||
(htc->target_credit_size == 0)) {
- ath10k_err("Invalid credit size received\n");
+ ath10k_err(ar, "Invalid credit size received\n");
return -ECOMM;
}
@@ -623,7 +621,8 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
/* connect fake service */
status = ath10k_htc_connect_service(htc, &conn_req, &conn_resp);
if (status) {
- ath10k_err("could not connect to htc service (%d)\n", status);
+ ath10k_err(ar, "could not connect to htc service (%d)\n",
+ status);
return status;
}
@@ -634,6 +633,7 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
struct ath10k_htc_svc_conn_req *conn_req,
struct ath10k_htc_svc_conn_resp *conn_resp)
{
+ struct ath10k *ar = htc->ar;
struct ath10k_htc_msg *msg;
struct ath10k_htc_conn_svc *req_msg;
struct ath10k_htc_conn_svc_response resp_msg_dummy;
@@ -659,13 +659,13 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
tx_alloc = ath10k_htc_get_credit_allocation(htc,
conn_req->service_id);
if (!tx_alloc)
- ath10k_dbg(ATH10K_DBG_BOOT,
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot htc service %s does not allocate target credits\n",
htc_service_name(conn_req->service_id));
skb = ath10k_htc_build_tx_ctrl_skb(htc->ar);
if (!skb) {
- ath10k_err("Failed to allocate HTC packet\n");
+ ath10k_err(ar, "Failed to allocate HTC packet\n");
return -ENOMEM;
}
@@ -703,7 +703,7 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
if (status <= 0) {
if (status == 0)
status = -ETIMEDOUT;
- ath10k_err("Service connect timeout: %d\n", status);
+ ath10k_err(ar, "Service connect timeout: %d\n", status);
return status;
}
@@ -716,11 +716,11 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
if ((message_id != ATH10K_HTC_MSG_CONNECT_SERVICE_RESP_ID) ||
(htc->control_resp_len < sizeof(msg->hdr) +
sizeof(msg->connect_service_response))) {
- ath10k_err("Invalid resp message ID 0x%x", message_id);
+ ath10k_err(ar, "Invalid resp message ID 0x%x", message_id);
return -EPROTO;
}
- ath10k_dbg(ATH10K_DBG_HTC,
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
"HTC Service %s connect response: status: 0x%x, assigned ep: 0x%x\n",
htc_service_name(service_id),
resp_msg->status, resp_msg->eid);
@@ -729,7 +729,7 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
/* check response status */
if (resp_msg->status != ATH10K_HTC_CONN_SVC_STATUS_SUCCESS) {
- ath10k_err("HTC Service %s connect request failed: 0x%x)\n",
+ ath10k_err(ar, "HTC Service %s connect request failed: 0x%x)\n",
htc_service_name(service_id),
resp_msg->status);
return -EPROTO;
@@ -780,18 +780,18 @@ setup:
if (status)
return status;
- ath10k_dbg(ATH10K_DBG_BOOT,
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot htc service '%s' ul pipe %d dl pipe %d eid %d ready\n",
htc_service_name(ep->service_id), ep->ul_pipe_id,
ep->dl_pipe_id, ep->eid);
- ath10k_dbg(ATH10K_DBG_BOOT,
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot htc ep %d ul polled %d dl polled %d\n",
ep->eid, ep->ul_is_polled, ep->dl_is_polled);
if (disable_credit_flow_ctrl && ep->tx_credit_flow_enabled) {
ep->tx_credit_flow_enabled = false;
- ath10k_dbg(ATH10K_DBG_BOOT,
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
"boot htc service '%s' eid %d TX flow control disabled\n",
htc_service_name(ep->service_id), assigned_eid);
}
@@ -799,27 +799,26 @@ setup:
return status;
}
-struct sk_buff *ath10k_htc_alloc_skb(int size)
+struct sk_buff *ath10k_htc_alloc_skb(struct ath10k *ar, int size)
{
struct sk_buff *skb;
skb = dev_alloc_skb(size + sizeof(struct ath10k_htc_hdr));
- if (!skb) {
- ath10k_warn("could not allocate HTC tx skb\n");
+ if (!skb)
return NULL;
- }
skb_reserve(skb, sizeof(struct ath10k_htc_hdr));
/* FW/HTC requires 4-byte aligned streams */
if (!IS_ALIGNED((unsigned long)skb->data, 4))
- ath10k_warn("Unaligned HTC tx skb\n");
+ ath10k_warn(ar, "Unaligned HTC tx skb\n");
return skb;
}
int ath10k_htc_start(struct ath10k_htc *htc)
{
+ struct ath10k *ar = htc->ar;
struct sk_buff *skb;
int status = 0;
struct ath10k_htc_msg *msg;
@@ -835,7 +834,7 @@ int ath10k_htc_start(struct ath10k_htc *htc)
msg->hdr.message_id =
__cpu_to_le16(ATH10K_HTC_MSG_SETUP_COMPLETE_EX_ID);
- ath10k_dbg(ATH10K_DBG_HTC, "HTC is using TX credit flow control\n");
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "HTC is using TX credit flow control\n");
status = ath10k_htc_send(htc, ATH10K_HTC_EP_0, skb);
if (status) {
@@ -846,13 +845,6 @@ int ath10k_htc_start(struct ath10k_htc *htc)
return 0;
}
-void ath10k_htc_stop(struct ath10k_htc *htc)
-{
- spin_lock_bh(&htc->tx_lock);
- htc->stopped = true;
- spin_unlock_bh(&htc->tx_lock);
-}
-
/* registered target arrival callback from the HIF layer */
int ath10k_htc_init(struct ath10k *ar)
{
@@ -862,7 +854,6 @@ int ath10k_htc_init(struct ath10k *ar)
spin_lock_init(&htc->tx_lock);
- htc->stopped = false;
ath10k_htc_reset_endpoint_states(htc);
/* setup HIF layer callbacks */
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-28 03:55:59 +0300