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Commit 75ae83d6 authored by John W. Linville's avatar John W. Linville
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Merge tag 'for-linville-20131001' of git://github.com/kvalo/ath

parents c21a7d66 6e712d42
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Showing with 984 additions and 1015 deletions
drivers/net/wireless/ath/ath10k/bmi.c
View file @ 75ae83d6
......@@ -22,7 +22,8 @@
void ath10k_bmi_start(struct ath10k *ar)
{
ath10k_dbg(ATH10K_DBG_CORE, "BMI started\n");
ath10k_dbg(ATH10K_DBG_BMI, "bmi start\n");
ar->bmi.done_sent = false;
}
......@@ -32,8 +33,10 @@ int ath10k_bmi_done(struct ath10k *ar)
u32 cmdlen = sizeof(cmd.id) + sizeof(cmd.done);
int ret;
ath10k_dbg(ATH10K_DBG_BMI, "bmi done\n");
if (ar->bmi.done_sent) {
ath10k_dbg(ATH10K_DBG_CORE, "%s skipped\n", __func__);
ath10k_dbg(ATH10K_DBG_BMI, "bmi skipped\n");
return 0;
}
......@@ -46,7 +49,6 @@ int ath10k_bmi_done(struct ath10k *ar)
return ret;
}
ath10k_dbg(ATH10K_DBG_CORE, "BMI done\n");
return 0;
}
......@@ -59,6 +61,8 @@ int ath10k_bmi_get_target_info(struct ath10k *ar,
u32 resplen = sizeof(resp.get_target_info);
int ret;
ath10k_dbg(ATH10K_DBG_BMI, "bmi get target info\n");
if (ar->bmi.done_sent) {
ath10k_warn("BMI Get Target Info Command disallowed\n");
return -EBUSY;
......@@ -80,6 +84,7 @@ int ath10k_bmi_get_target_info(struct ath10k *ar,
target_info->version = __le32_to_cpu(resp.get_target_info.version);
target_info->type = __le32_to_cpu(resp.get_target_info.type);
return 0;
}
......@@ -92,15 +97,14 @@ int ath10k_bmi_read_memory(struct ath10k *ar,
u32 rxlen;
int ret;
ath10k_dbg(ATH10K_DBG_BMI, "bmi read address 0x%x length %d\n",
address, length);
if (ar->bmi.done_sent) {
ath10k_warn("command disallowed\n");
return -EBUSY;
}
ath10k_dbg(ATH10K_DBG_CORE,
"%s: (device: 0x%p, address: 0x%x, length: %d)\n",
__func__, ar, address, length);
while (length) {
rxlen = min_t(u32, length, BMI_MAX_DATA_SIZE);
......@@ -133,15 +137,14 @@ int ath10k_bmi_write_memory(struct ath10k *ar,
u32 txlen;
int ret;
ath10k_dbg(ATH10K_DBG_BMI, "bmi write address 0x%x length %d\n",
address, length);
if (ar->bmi.done_sent) {
ath10k_warn("command disallowed\n");
return -EBUSY;
}
ath10k_dbg(ATH10K_DBG_CORE,
"%s: (device: 0x%p, address: 0x%x, length: %d)\n",
__func__, ar, address, length);
while (length) {
txlen = min(length, BMI_MAX_DATA_SIZE - hdrlen);
......@@ -180,15 +183,14 @@ int ath10k_bmi_execute(struct ath10k *ar, u32 address, u32 *param)
u32 resplen = sizeof(resp.execute);
int ret;
ath10k_dbg(ATH10K_DBG_BMI, "bmi execute address 0x%x param 0x%x\n",
address, *param);
if (ar->bmi.done_sent) {
ath10k_warn("command disallowed\n");
return -EBUSY;
}
ath10k_dbg(ATH10K_DBG_CORE,
"%s: (device: 0x%p, address: 0x%x, param: %d)\n",
__func__, ar, address, *param);
cmd.id = __cpu_to_le32(BMI_EXECUTE);
cmd.execute.addr = __cpu_to_le32(address);
cmd.execute.param = __cpu_to_le32(*param);
......@@ -216,6 +218,9 @@ int ath10k_bmi_lz_data(struct ath10k *ar, const void *buffer, u32 length)
u32 txlen;
int ret;
ath10k_dbg(ATH10K_DBG_BMI, "bmi lz data buffer 0x%p length %d\n",
buffer, length);
if (ar->bmi.done_sent) {
ath10k_warn("command disallowed\n");
return -EBUSY;
......@@ -250,6 +255,9 @@ int ath10k_bmi_lz_stream_start(struct ath10k *ar, u32 address)
u32 cmdlen = sizeof(cmd.id) + sizeof(cmd.lz_start);
int ret;
ath10k_dbg(ATH10K_DBG_BMI, "bmi lz stream start address 0x%x\n",
address);
if (ar->bmi.done_sent) {
ath10k_warn("command disallowed\n");
return -EBUSY;
......@@ -275,6 +283,10 @@ int ath10k_bmi_fast_download(struct ath10k *ar,
u32 trailer_len = length - head_len;
int ret;
ath10k_dbg(ATH10K_DBG_BMI,
"bmi fast download address 0x%x buffer 0x%p length %d\n",
address, buffer, length);
ret = ath10k_bmi_lz_stream_start(ar, address);
if (ret)
return ret;
......
drivers/net/wireless/ath/ath10k/ce.c
View file @ 75ae83d6
......@@ -338,33 +338,19 @@ int ath10k_ce_send(struct ath10k_ce_pipe *ce_state,
return ret;
}
void ath10k_ce_sendlist_buf_add(struct ce_sendlist *sendlist, u32 buffer,
unsigned int nbytes, u32 flags)
{
unsigned int num_items = sendlist->num_items;
struct ce_sendlist_item *item;
item = &sendlist->item[num_items];
item->data = buffer;
item->u.nbytes = nbytes;
item->flags = flags;
sendlist->num_items++;
}
int ath10k_ce_sendlist_send(struct ath10k_ce_pipe *ce_state,
void *per_transfer_context,
struct ce_sendlist *sendlist,
unsigned int transfer_id)
unsigned int transfer_id,
u32 paddr, unsigned int nbytes,
u32 flags)
{
struct ath10k_ce_ring *src_ring = ce_state->src_ring;
struct ce_sendlist_item *item;
struct ath10k *ar = ce_state->ar;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
unsigned int nentries_mask = src_ring->nentries_mask;
unsigned int num_items = sendlist->num_items;
unsigned int sw_index;
unsigned int write_index;
int i, delta, ret = -ENOMEM;
int delta, ret = -ENOMEM;
spin_lock_bh(&ar_pci->ce_lock);
......@@ -373,30 +359,12 @@ int ath10k_ce_sendlist_send(struct ath10k_ce_pipe *ce_state,
delta = CE_RING_DELTA(nentries_mask, write_index, sw_index - 1);
if (delta >= num_items) {
/*
* Handle all but the last item uniformly.
*/
for (i = 0; i < num_items - 1; i++) {
item = &sendlist->item[i];
ret = ath10k_ce_send_nolock(ce_state,
CE_SENDLIST_ITEM_CTXT,
(u32) item->data,
item->u.nbytes, transfer_id,
item->flags |
CE_SEND_FLAG_GATHER);
if (ret)
ath10k_warn("CE send failed for item: %d\n", i);
}
/*
* Provide valid context pointer for final item.
*/
item = &sendlist->item[i];
if (delta >= 1) {
ret = ath10k_ce_send_nolock(ce_state, per_transfer_context,
(u32) item->data, item->u.nbytes,
transfer_id, item->flags);
paddr, nbytes,
transfer_id, flags);
if (ret)
ath10k_warn("CE send failed for last item: %d\n", i);
ath10k_warn("CE send failed: %d\n", ret);
}
spin_unlock_bh(&ar_pci->ce_lock);
......@@ -742,11 +710,6 @@ void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id)
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
u32 ctrl_addr = ce_state->ctrl_addr;
void *transfer_context;
u32 buf;
unsigned int nbytes;
unsigned int id;
unsigned int flags;
int ret;
ret = ath10k_pci_wake(ar);
......@@ -759,38 +722,15 @@ void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id)
ath10k_ce_engine_int_status_clear(ar, ctrl_addr,
HOST_IS_COPY_COMPLETE_MASK);
if (ce_state->recv_cb) {
/*
* Pop completed recv buffers and call the registered
* recv callback for each
*/
while (ath10k_ce_completed_recv_next_nolock(ce_state,
&transfer_context,
&buf, &nbytes,
&id, &flags) == 0) {
spin_unlock_bh(&ar_pci->ce_lock);
ce_state->recv_cb(ce_state, transfer_context, buf,
nbytes, id, flags);
spin_lock_bh(&ar_pci->ce_lock);
}
}
if (ce_state->send_cb) {
/*
* Pop completed send buffers and call the registered
* send callback for each
*/
while (ath10k_ce_completed_send_next_nolock(ce_state,
&transfer_context,
&buf,
&nbytes,
&id) == 0) {
spin_unlock_bh(&ar_pci->ce_lock);
ce_state->send_cb(ce_state, transfer_context,
buf, nbytes, id);
if (ce_state->recv_cb)
ce_state->recv_cb(ce_state);
if (ce_state->send_cb)
ce_state->send_cb(ce_state);
spin_lock_bh(&ar_pci->ce_lock);
}
}
/*
* Misc CE interrupts are not being handled, but still need
......@@ -881,11 +821,7 @@ void ath10k_ce_disable_interrupts(struct ath10k *ar)
}
void ath10k_ce_send_cb_register(struct ath10k_ce_pipe *ce_state,
void (*send_cb)(struct ath10k_ce_pipe *ce_state,
void *transfer_context,
u32 buffer,
unsigned int nbytes,
unsigned int transfer_id),
void (*send_cb)(struct ath10k_ce_pipe *),
int disable_interrupts)
{
struct ath10k *ar = ce_state->ar;
......@@ -898,12 +834,7 @@ void ath10k_ce_send_cb_register(struct ath10k_ce_pipe *ce_state,
}
void ath10k_ce_recv_cb_register(struct ath10k_ce_pipe *ce_state,
void (*recv_cb)(struct ath10k_ce_pipe *ce_state,
void *transfer_context,
u32 buffer,
unsigned int nbytes,
unsigned int transfer_id,
unsigned int flags))
void (*recv_cb)(struct ath10k_ce_pipe *))
{
struct ath10k *ar = ce_state->ar;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
......@@ -1010,6 +941,10 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
ath10k_ce_src_ring_lowmark_set(ar, ctrl_addr, 0);
ath10k_ce_src_ring_highmark_set(ar, ctrl_addr, nentries);
ath10k_dbg(ATH10K_DBG_BOOT,
"boot ce src ring id %d entries %d base_addr %p\n",
ce_id, nentries, src_ring->base_addr_owner_space);
return 0;
}
......@@ -1091,6 +1026,10 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
ath10k_ce_dest_ring_lowmark_set(ar, ctrl_addr, 0);
ath10k_ce_dest_ring_highmark_set(ar, ctrl_addr, nentries);
ath10k_dbg(ATH10K_DBG_BOOT,
"boot ce dest ring id %d entries %d base_addr %p\n",
ce_id, nentries, dest_ring->base_addr_owner_space);
return 0;
}
......
drivers/net/wireless/ath/ath10k/ce.h
View file @ 75ae83d6
......@@ -27,7 +27,6 @@
/* Descriptor rings must be aligned to this boundary */
#define CE_DESC_RING_ALIGN 8
#define CE_SENDLIST_ITEMS_MAX 12
#define CE_SEND_FLAG_GATHER 0x00010000
/*
......@@ -116,41 +115,14 @@ struct ath10k_ce_pipe {
u32 ctrl_addr;
void (*send_cb) (struct ath10k_ce_pipe *ce_state,
void *per_transfer_send_context,
u32 buffer,
unsigned int nbytes,
unsigned int transfer_id);
void (*recv_cb) (struct ath10k_ce_pipe *ce_state,
void *per_transfer_recv_context,
u32 buffer,
unsigned int nbytes,
unsigned int transfer_id,
unsigned int flags);
void (*send_cb)(struct ath10k_ce_pipe *);
void (*recv_cb)(struct ath10k_ce_pipe *);
unsigned int src_sz_max;
struct ath10k_ce_ring *src_ring;
struct ath10k_ce_ring *dest_ring;
};
struct ce_sendlist_item {
/* e.g. buffer or desc list */
dma_addr_t data;
union {
/* simple buffer */
unsigned int nbytes;
/* Rx descriptor list */
unsigned int ndesc;
} u;
/* externally-specified flags; OR-ed with internal flags */
u32 flags;
};
struct ce_sendlist {
unsigned int num_items;
struct ce_sendlist_item item[CE_SENDLIST_ITEMS_MAX];
};
/* Copy Engine settable attributes */
struct ce_attr;
......@@ -181,20 +153,9 @@ int ath10k_ce_send(struct ath10k_ce_pipe *ce_state,
unsigned int flags);
void ath10k_ce_send_cb_register(struct ath10k_ce_pipe *ce_state,
void (*send_cb)(struct ath10k_ce_pipe *ce_state,
void *transfer_context,
u32 buffer,
unsigned int nbytes,
unsigned int transfer_id),
void (*send_cb)(struct ath10k_ce_pipe *),
int disable_interrupts);
/* Append a simple buffer (address/length) to a sendlist. */
void ath10k_ce_sendlist_buf_add(struct ce_sendlist *sendlist,
u32 buffer,
unsigned int nbytes,
/* OR-ed with internal flags */
u32 flags);
/*
* Queue a "sendlist" of buffers to be sent using gather to a single
* anonymous destination buffer
......@@ -206,10 +167,10 @@ void ath10k_ce_sendlist_buf_add(struct ce_sendlist *sendlist,
* Implemenation note: Pushes multiple buffers with Gather to Source ring.
*/
int ath10k_ce_sendlist_send(struct ath10k_ce_pipe *ce_state,
void *per_transfer_send_context,
struct ce_sendlist *sendlist,
/* 14 bits */
unsigned int transfer_id);
void *per_transfer_context,
unsigned int transfer_id,
u32 paddr, unsigned int nbytes,
u32 flags);
/*==================Recv=======================*/
......@@ -228,12 +189,7 @@ int ath10k_ce_recv_buf_enqueue(struct ath10k_ce_pipe *ce_state,
u32 buffer);
void ath10k_ce_recv_cb_register(struct ath10k_ce_pipe *ce_state,
void (*recv_cb)(struct ath10k_ce_pipe *ce_state,
void *transfer_context,
u32 buffer,
unsigned int nbytes,
unsigned int transfer_id,
unsigned int flags));
void (*recv_cb)(struct ath10k_ce_pipe *));
/* recv flags */
/* Data is byte-swapped */
......@@ -325,16 +281,6 @@ struct ce_attr {
unsigned int dest_nentries;
};
/*
* When using sendlist_send to transfer multiple buffer fragments, the
* transfer context of each fragment, except last one, will be filled
* with CE_SENDLIST_ITEM_CTXT. ce_completed_send will return success for
* each fragment done with send and the transfer context would be
* CE_SENDLIST_ITEM_CTXT. Upper layer could use this to identify the
* status of a send completion.
*/
#define CE_SENDLIST_ITEM_CTXT ((void *)0xcecebeef)
#define SR_BA_ADDRESS 0x0000
#define SR_SIZE_ADDRESS 0x0004
#define DR_BA_ADDRESS 0x0008
......
drivers/net/wireless/ath/ath10k/core.c
View file @ 75ae83d6
......@@ -53,7 +53,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
static void ath10k_send_suspend_complete(struct ath10k *ar)
{
ath10k_dbg(ATH10K_DBG_CORE, "%s\n", __func__);
ath10k_dbg(ATH10K_DBG_BOOT, "boot suspend complete\n");
ar->is_target_paused = true;
wake_up(&ar->event_queue);
......@@ -101,7 +101,7 @@ static int ath10k_init_connect_htc(struct ath10k *ar)
goto timeout;
}
ath10k_dbg(ATH10K_DBG_CORE, "core wmi ready\n");
ath10k_dbg(ATH10K_DBG_BOOT, "boot wmi ready\n");
return 0;
timeout:
......@@ -203,8 +203,8 @@ static int ath10k_push_board_ext_data(struct ath10k *ar,
return ret;
}
ath10k_dbg(ATH10K_DBG_CORE,
"ath10k: Board extended Data download addr: 0x%x\n",
ath10k_dbg(ATH10K_DBG_BOOT,
"boot push board extended data addr 0x%x\n",
board_ext_data_addr);
if (board_ext_data_addr == 0)
......@@ -435,6 +435,13 @@ static int ath10k_init_uart(struct ath10k *ar)
return ret;
}
/* Set the UART baud rate to 19200. */
ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
if (ret) {
ath10k_warn("could not set the baud rate (%d)\n", ret);
return ret;
}
ath10k_info("UART prints enabled\n");
return 0;
}
......@@ -630,6 +637,10 @@ int ath10k_core_start(struct ath10k *ar)
if (status)
goto err_disconnect_htc;
status = ath10k_debug_start(ar);
if (status)
goto err_disconnect_htc;
ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1;
return 0;
......@@ -647,6 +658,7 @@ EXPORT_SYMBOL(ath10k_core_start);
void ath10k_core_stop(struct ath10k *ar)
{
ath10k_debug_stop(ar);
ath10k_htc_stop(&ar->htc);
ath10k_htt_detach(&ar->htt);
ath10k_wmi_detach(ar);
......@@ -710,6 +722,9 @@ static int ath10k_core_check_chip_id(struct ath10k *ar)
{
u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV);
ath10k_dbg(ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n",
ar->chip_id, hw_revision);
/* Check that we are not using hw1.0 (some of them have same pci id
* as hw2.0) before doing anything else as ath10k crashes horribly
* due to missing hw1.0 workarounds. */
......@@ -777,6 +792,7 @@ void ath10k_core_unregister(struct ath10k *ar)
* Otherwise we will fail to submit commands to FW and mac80211 will be
* unhappy about callback failures. */
ath10k_mac_unregister(ar);
ath10k_core_free_firmware_files(ar);
}
EXPORT_SYMBOL(ath10k_core_unregister);
......
drivers/net/wireless/ath/ath10k/core.h
View file @ 75ae83d6
......@@ -52,18 +52,12 @@ struct ath10k_skb_cb {
struct {
u8 vdev_id;
u16 msdu_id;
u8 tid;
bool is_offchan;
bool is_conf;
bool discard;
bool no_ack;
u8 refcount;
struct sk_buff *txfrag;
struct sk_buff *msdu;
} __packed htt;
/* 4 bytes left on 64bit arch */
u8 frag_len;
u8 pad_len;
} __packed htt;
} __packed;
static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
......@@ -112,11 +106,7 @@ struct ath10k_wmi {
enum ath10k_htc_ep_id eid;
struct completion service_ready;
struct completion unified_ready;
atomic_t pending_tx_count;
wait_queue_head_t wq;
struct sk_buff_head wmi_event_list;
struct work_struct wmi_event_work;
wait_queue_head_t tx_credits_wq;
};
struct ath10k_peer_stat {
......@@ -203,6 +193,7 @@ struct ath10k_vif {
enum wmi_vdev_subtype vdev_subtype;
u32 beacon_interval;
u32 dtim_period;
struct sk_buff *beacon;
struct ath10k *ar;
struct ieee80211_vif *vif;
......@@ -246,6 +237,9 @@ struct ath10k_debug {
u32 wmi_service_bitmap[WMI_SERVICE_BM_SIZE];
struct completion event_stats_compl;
unsigned long htt_stats_mask;
struct delayed_work htt_stats_dwork;
};
enum ath10k_state {
......
drivers/net/wireless/ath/ath10k/debug.c
View file @ 75ae83d6
......@@ -21,6 +21,9 @@
#include "core.h"
#include "debug.h"
/* ms */
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
static int ath10k_printk(const char *level, const char *fmt, ...)
{
struct va_format vaf;
......@@ -517,6 +520,117 @@ static const struct file_operations fops_chip_id = {
.llseek = default_llseek,
};
static int ath10k_debug_htt_stats_req(struct ath10k *ar)
{
u64 cookie;
int ret;
lockdep_assert_held(&ar->conf_mutex);
if (ar->debug.htt_stats_mask == 0)
/* htt stats are disabled */
return 0;
if (ar->state != ATH10K_STATE_ON)
return 0;
cookie = get_jiffies_64();
ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
cookie);
if (ret) {
ath10k_warn("failed to send htt stats request: %d\n", ret);
return ret;
}
queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
return 0;
}
static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
{
struct ath10k *ar = container_of(work, struct ath10k,
debug.htt_stats_dwork.work);
mutex_lock(&ar->conf_mutex);
ath10k_debug_htt_stats_req(ar);
mutex_unlock(&ar->conf_mutex);
}
static ssize_t ath10k_read_htt_stats_mask(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char buf[32];
unsigned int len;
len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_write_htt_stats_mask(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
unsigned long mask;
int ret;
ret = kstrtoul_from_user(user_buf, count, 0, &mask);
if (ret)
return ret;
/* max 8 bit masks (for now) */
if (mask > 0xff)
return -E2BIG;
mutex_lock(&ar->conf_mutex);
ar->debug.htt_stats_mask = mask;
ret = ath10k_debug_htt_stats_req(ar);
if (ret)
goto out;
ret = count;
out:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_htt_stats_mask = {
.read = ath10k_read_htt_stats_mask,
.write = ath10k_write_htt_stats_mask,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
int ath10k_debug_start(struct ath10k *ar)
{
int ret;
ret = ath10k_debug_htt_stats_req(ar);
if (ret)
/* continue normally anyway, this isn't serious */
ath10k_warn("failed to start htt stats workqueue: %d\n", ret);
return 0;
}
void ath10k_debug_stop(struct ath10k *ar)
{
cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
}
int ath10k_debug_create(struct ath10k *ar)
{
ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
......@@ -525,6 +639,9 @@ int ath10k_debug_create(struct ath10k *ar)
if (!ar->debug.debugfs_phy)
return -ENOMEM;
INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
ath10k_debug_htt_stats_dwork);
init_completion(&ar->debug.event_stats_compl);
debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
......@@ -539,8 +656,12 @@ int ath10k_debug_create(struct ath10k *ar)
debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
ar, &fops_chip_id);
debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
ar, &fops_htt_stats_mask);
return 0;
}
#endif /* CONFIG_ATH10K_DEBUGFS */
#ifdef CONFIG_ATH10K_DEBUG
......
drivers/net/wireless/ath/ath10k/debug.h
View file @ 75ae83d6
......@@ -27,11 +27,12 @@ enum ath10k_debug_mask {
ATH10K_DBG_HTC = 0x00000004,
ATH10K_DBG_HTT = 0x00000008,
ATH10K_DBG_MAC = 0x00000010,
ATH10K_DBG_CORE = 0x00000020,
ATH10K_DBG_BOOT = 0x00000020,
ATH10K_DBG_PCI_DUMP = 0x00000040,
ATH10K_DBG_HTT_DUMP = 0x00000080,
ATH10K_DBG_MGMT = 0x00000100,
ATH10K_DBG_DATA = 0x00000200,
ATH10K_DBG_BMI = 0x00000400,
ATH10K_DBG_ANY = 0xffffffff,
};
......@@ -42,6 +43,8 @@ extern __printf(1, 2) int ath10k_err(const char *fmt, ...);
extern __printf(1, 2) int ath10k_warn(const char *fmt, ...);
#ifdef CONFIG_ATH10K_DEBUGFS
int ath10k_debug_start(struct ath10k *ar);
void ath10k_debug_stop(struct ath10k *ar);
int ath10k_debug_create(struct ath10k *ar);
void ath10k_debug_read_service_map(struct ath10k *ar,
void *service_map,
......@@ -50,6 +53,15 @@ void ath10k_debug_read_target_stats(struct ath10k *ar,
struct wmi_stats_event *ev);
#else
static inline int ath10k_debug_start(struct ath10k *ar)
{
return 0;
}
static inline void ath10k_debug_stop(struct ath10k *ar)
{
}
static inline int ath10k_debug_create(struct ath10k *ar)
{
return 0;
......
drivers/net/wireless/ath/ath10k/htc.c
View file @ 75ae83d6
......@@ -103,10 +103,10 @@ static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
struct ath10k_htc_hdr *hdr;
hdr = (struct ath10k_htc_hdr *)skb->data;
memset(hdr, 0, sizeof(*hdr));
hdr->eid = ep->eid;
hdr->len = __cpu_to_le16(skb->len - sizeof(*hdr));
hdr->flags = 0;
spin_lock_bh(&ep->htc->tx_lock);
hdr->seq_no = ep->seq_no++;
......@@ -117,134 +117,13 @@ static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
spin_unlock_bh(&ep->htc->tx_lock);
}
static int ath10k_htc_issue_skb(struct ath10k_htc *htc,
struct ath10k_htc_ep *ep,
struct sk_buff *skb,
u8 credits)
{
struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
int ret;
ath10k_dbg(ATH10K_DBG_HTC, "%s: ep %d skb %p\n", __func__,
ep->eid, skb);
ath10k_htc_prepare_tx_skb(ep, skb);
ret = ath10k_skb_map(htc->ar->dev, skb);
if (ret)
goto err;
ret = ath10k_hif_send_head(htc->ar,
ep->ul_pipe_id,
ep->eid,
skb->len,
skb);
if (unlikely(ret))
goto err;
return 0;
err:
ath10k_warn("HTC issue failed: %d\n", ret);
spin_lock_bh(&htc->tx_lock);
ep->tx_credits += credits;
spin_unlock_bh(&htc->tx_lock);
/* this is the simplest way to handle out-of-resources for non-credit
* based endpoints. credit based endpoints can still get -ENOSR, but
* this is highly unlikely as credit reservation should prevent that */
if (ret == -ENOSR) {
spin_lock_bh(&htc->tx_lock);
__skb_queue_head(&ep->tx_queue, skb);
spin_unlock_bh(&htc->tx_lock);
return ret;
}
skb_cb->is_aborted = true;
ath10k_htc_notify_tx_completion(ep, skb);
return ret;
}
static struct sk_buff *ath10k_htc_get_skb_credit_based(struct ath10k_htc *htc,
struct ath10k_htc_ep *ep,
u8 *credits)
{
struct sk_buff *skb;
struct ath10k_skb_cb *skb_cb;
int credits_required;
int remainder;
unsigned int transfer_len;
lockdep_assert_held(&htc->tx_lock);
skb = __skb_dequeue(&ep->tx_queue);
if (!skb)
return NULL;
skb_cb = ATH10K_SKB_CB(skb);
transfer_len = skb->len;
if (likely(transfer_len <= htc->target_credit_size)) {
credits_required = 1;
} else {
/* figure out how many credits this message requires */
credits_required = transfer_len / htc->target_credit_size;
remainder = transfer_len % htc->target_credit_size;
if (remainder)
credits_required++;
}
ath10k_dbg(ATH10K_DBG_HTC, "Credits required %d got %d\n",
credits_required, ep->tx_credits);
if (ep->tx_credits < credits_required) {
__skb_queue_head(&ep->tx_queue, skb);
return NULL;
}
ep->tx_credits -= credits_required;
*credits = credits_required;
return skb;
}
static void ath10k_htc_send_work(struct work_struct *work)
{
struct ath10k_htc_ep *ep = container_of(work,
struct ath10k_htc_ep, send_work);
struct ath10k_htc *htc = ep->htc;
struct sk_buff *skb;
u8 credits = 0;
int ret;
while (true) {
if (ep->ul_is_polled)
ath10k_htc_send_complete_check(ep, 0);
spin_lock_bh(&htc->tx_lock);
if (ep->tx_credit_flow_enabled)
skb = ath10k_htc_get_skb_credit_based(htc, ep,
&credits);
else
skb = __skb_dequeue(&ep->tx_queue);
spin_unlock_bh(&htc->tx_lock);
if (!skb)
break;
ret = ath10k_htc_issue_skb(htc, ep, skb, credits);
if (ret == -ENOSR)
break;
}
}
int ath10k_htc_send(struct ath10k_htc *htc,
enum ath10k_htc_ep_id eid,
struct sk_buff *skb)
{
struct ath10k_htc_ep *ep = &htc->endpoint[eid];
int credits = 0;
int ret;
if (htc->ar->state == ATH10K_STATE_WEDGED)
return -ECOMM;
......@@ -254,18 +133,55 @@ int ath10k_htc_send(struct ath10k_htc *htc,
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_queue_tail(&ep->tx_queue, skb);
skb_push(skb, sizeof(struct ath10k_htc_hdr));
if (ep->tx_credit_flow_enabled) {
credits = DIV_ROUND_UP(skb->len, htc->target_credit_size);
spin_lock_bh(&htc->tx_lock);
if (ep->tx_credits < credits) {
spin_unlock_bh(&htc->tx_lock);
ret = -EAGAIN;
goto err_pull;
}
ep->tx_credits -= credits;
spin_unlock_bh(&htc->tx_lock);
}
ath10k_htc_prepare_tx_skb(ep, skb);
ret = ath10k_skb_map(htc->ar->dev, skb);
if (ret)
goto err_credits;
ret = ath10k_hif_send_head(htc->ar, ep->ul_pipe_id, ep->eid,
skb->len, skb);
if (ret)
goto err_unmap;
queue_work(htc->ar->workqueue, &ep->send_work);
return 0;
err_unmap:
ath10k_skb_unmap(htc->ar->dev, skb);
err_credits:
if (ep->tx_credit_flow_enabled) {
spin_lock_bh(&htc->tx_lock);
ep->tx_credits += credits;
spin_unlock_bh(&htc->tx_lock);
if (ep->ep_ops.ep_tx_credits)
ep->ep_ops.ep_tx_credits(htc->ar);
}
err_pull:
skb_pull(skb, sizeof(struct ath10k_htc_hdr));
return ret;
}
static int ath10k_htc_tx_completion_handler(struct ath10k *ar,
......@@ -278,39 +194,9 @@ static int ath10k_htc_tx_completion_handler(struct ath10k *ar,
ath10k_htc_notify_tx_completion(ep, skb);
/* the skb now belongs to the completion handler */
/* note: when using TX credit flow, the re-checking of queues happens
* when credits flow back from the target. in the non-TX credit case,
* we recheck after the packet completes */
spin_lock_bh(&htc->tx_lock);
if (!ep->tx_credit_flow_enabled && !htc->stopped)
queue_work(ar->workqueue, &ep->send_work);
spin_unlock_bh(&htc->tx_lock);
return 0;
}
/* flush endpoint TX queue */
static void ath10k_htc_flush_endpoint_tx(struct ath10k_htc *htc,
struct ath10k_htc_ep *ep)
{
struct sk_buff *skb;
struct ath10k_skb_cb *skb_cb;
spin_lock_bh(&htc->tx_lock);
for (;;) {
skb = __skb_dequeue(&ep->tx_queue);
if (!skb)
break;
skb_cb = ATH10K_SKB_CB(skb);
skb_cb->is_aborted = true;
ath10k_htc_notify_tx_completion(ep, skb);
}
spin_unlock_bh(&htc->tx_lock);
cancel_work_sync(&ep->send_work);
}
/***********/
/* Receive */
/***********/
......@@ -340,8 +226,11 @@ ath10k_htc_process_credit_report(struct ath10k_htc *htc,
ep = &htc->endpoint[report->eid];
ep->tx_credits += report->credits;
if (ep->tx_credits && !skb_queue_empty(&ep->tx_queue))
queue_work(htc->ar->workqueue, &ep->send_work);
if (ep->ep_ops.ep_tx_credits) {
spin_unlock_bh(&htc->tx_lock);
ep->ep_ops.ep_tx_credits(htc->ar);
spin_lock_bh(&htc->tx_lock);
}
}
spin_unlock_bh(&htc->tx_lock);
}
......@@ -599,10 +488,8 @@ static void ath10k_htc_reset_endpoint_states(struct ath10k_htc *htc)
ep->max_ep_message_len = 0;
ep->max_tx_queue_depth = 0;
ep->eid = i;
skb_queue_head_init(&ep->tx_queue);
ep->htc = htc;
ep->tx_credit_flow_enabled = true;
INIT_WORK(&ep->send_work, ath10k_htc_send_work);
}
}
......@@ -752,8 +639,8 @@ 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_HTC,
"HTC Service %s does not allocate target credits\n",
ath10k_dbg(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);
......@@ -873,19 +760,19 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
if (status)
return status;
ath10k_dbg(ATH10K_DBG_HTC,
"HTC service: %s UL pipe: %d DL pipe: %d eid: %d ready\n",
ath10k_dbg(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_HTC,
"EP %d UL polled: %d, DL polled: %d\n",
ath10k_dbg(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_HTC,
"HTC service: %s eid: %d TX flow control disabled\n",
ath10k_dbg(ATH10K_DBG_BOOT,
"boot htc service '%s' eid %d TX flow control disabled\n",
htc_service_name(ep->service_id), assigned_eid);
}
......@@ -945,18 +832,10 @@ int ath10k_htc_start(struct ath10k_htc *htc)
*/
void ath10k_htc_stop(struct ath10k_htc *htc)
{
int i;
struct ath10k_htc_ep *ep;
spin_lock_bh(&htc->tx_lock);
htc->stopped = true;
spin_unlock_bh(&htc->tx_lock);
for (i = ATH10K_HTC_EP_0; i < ATH10K_HTC_EP_COUNT; i++) {
ep = &htc->endpoint[i];
ath10k_htc_flush_endpoint_tx(htc, ep);
}
ath10k_hif_stop(htc->ar);
}
......
drivers/net/wireless/ath/ath10k/htc.h
View file @ 75ae83d6
......@@ -276,6 +276,7 @@ struct ath10k_htc_ops {
struct ath10k_htc_ep_ops {
void (*ep_tx_complete)(struct ath10k *, struct sk_buff *);
void (*ep_rx_complete)(struct ath10k *, struct sk_buff *);
void (*ep_tx_credits)(struct ath10k *);
};
/* service connection information */
......@@ -315,15 +316,11 @@ struct ath10k_htc_ep {
int ul_is_polled; /* call HIF to get tx completions */
int dl_is_polled; /* call HIF to fetch rx (not implemented) */
struct sk_buff_head tx_queue;
u8 seq_no; /* for debugging */
int tx_credits;
int tx_credit_size;
int tx_credits_per_max_message;
bool tx_credit_flow_enabled;
struct work_struct send_work;
};
struct ath10k_htc_svc_tx_credits {
......
drivers/net/wireless/ath/ath10k/htt.h
View file @ 75ae83d6
......@@ -19,6 +19,7 @@
#define _HTT_H_
#include <linux/bug.h>
#include <linux/interrupt.h>
#include "htc.h"
#include "rx_desc.h"
......@@ -1268,6 +1269,7 @@ struct ath10k_htt {
/* set if host-fw communication goes haywire
* used to avoid further failures */
bool rx_confused;
struct tasklet_struct rx_replenish_task;
};
#define RX_HTT_HDR_STATUS_LEN 64
......@@ -1308,6 +1310,10 @@ struct htt_rx_desc {
#define HTT_RX_BUF_SIZE 1920
#define HTT_RX_MSDU_SIZE (HTT_RX_BUF_SIZE - (int)sizeof(struct htt_rx_desc))
/* Refill a bunch of RX buffers for each refill round so that FW/HW can handle
* aggregated traffic more nicely. */
#define ATH10K_HTT_MAX_NUM_REFILL 16
/*
* DMA_MAP expects the buffer to be an integral number of cache lines.
* Rather than checking the actual cache line size, this code makes a
......@@ -1327,6 +1333,7 @@ void ath10k_htt_rx_detach(struct ath10k_htt *htt);
void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb);
void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt);
int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie);
int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt);
void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt);
......
drivers/net/wireless/ath/ath10k/htt_rx.c
View file @ 75ae83d6
This diff is collapsed.
drivers/net/wireless/ath/ath10k/htt_tx.c
View file @ 75ae83d6
This diff is collapsed.
drivers/net/wireless/ath/ath10k/hw.h
View file @ 75ae83d6
......@@ -74,7 +74,11 @@ enum ath10k_mcast2ucast_mode {
#define TARGET_RX_CHAIN_MASK (BIT(0) | BIT(1) | BIT(2))
#define TARGET_RX_TIMEOUT_LO_PRI 100
#define TARGET_RX_TIMEOUT_HI_PRI 40
#define TARGET_RX_DECAP_MODE ATH10K_HW_TXRX_ETHERNET
/* Native Wifi decap mode is used to align IP frames to 4-byte boundaries and
* avoid a very expensive re-alignment in mac80211. */
#define TARGET_RX_DECAP_MODE ATH10K_HW_TXRX_NATIVE_WIFI
#define TARGET_SCAN_MAX_PENDING_REQS 4
#define TARGET_BMISS_OFFLOAD_MAX_VDEV 3
#define TARGET_ROAM_OFFLOAD_MAX_VDEV 3
......
drivers/net/wireless/ath/ath10k/mac.c
View file @ 75ae83d6
This diff is collapsed.
drivers/net/wireless/ath/ath10k/pci.c
View file @ 75ae83d6
......@@ -612,31 +612,20 @@ struct ath10k_pci_compl *get_free_compl(struct ath10k_pci_pipe *pipe_info)
}
/* Called by lower (CE) layer when a send to Target completes. */
static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state,
void *transfer_context,
u32 ce_data,
unsigned int nbytes,
unsigned int transfer_id)
static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state)
{
struct ath10k *ar = ce_state->ar;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_pci_pipe *pipe_info = &ar_pci->pipe_info[ce_state->id];
struct ath10k_pci_compl *compl;
bool process = false;
do {
/*
* For the send completion of an item in sendlist, just
* increment num_sends_allowed. The upper layer callback will
* be triggered when last fragment is done with send.
*/
if (transfer_context == CE_SENDLIST_ITEM_CTXT) {
spin_lock_bh(&pipe_info->pipe_lock);
pipe_info->num_sends_allowed++;
spin_unlock_bh(&pipe_info->pipe_lock);
continue;
}
void *transfer_context;
u32 ce_data;
unsigned int nbytes;
unsigned int transfer_id;
while (ath10k_ce_completed_send_next(ce_state, &transfer_context,
&ce_data, &nbytes,
&transfer_id) == 0) {
compl = get_free_compl(pipe_info);
if (!compl)
break;
......@@ -655,38 +644,28 @@ static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state,
spin_lock_bh(&ar_pci->compl_lock);
list_add_tail(&compl->list, &ar_pci->compl_process);
spin_unlock_bh(&ar_pci->compl_lock);
process = true;
} while (ath10k_ce_completed_send_next(ce_state,
&transfer_context,
&ce_data, &nbytes,
&transfer_id) == 0);
/*
* If only some of the items within a sendlist have completed,
* don't invoke completion processing until the entire sendlist
* has been sent.
*/
if (!process)
return;
}
ath10k_pci_process_ce(ar);
}
/* Called by lower (CE) layer when data is received from the Target. */
static void ath10k_pci_ce_recv_data(struct ath10k_ce_pipe *ce_state,
void *transfer_context, u32 ce_data,
unsigned int nbytes,
unsigned int transfer_id,
unsigned int flags)
static void ath10k_pci_ce_recv_data(struct ath10k_ce_pipe *ce_state)
{
struct ath10k *ar = ce_state->ar;
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_pci_pipe *pipe_info = &ar_pci->pipe_info[ce_state->id];
struct ath10k_pci_compl *compl;
struct sk_buff *skb;
void *transfer_context;
u32 ce_data;
unsigned int nbytes;
unsigned int transfer_id;
unsigned int flags;
do {
while (ath10k_ce_completed_recv_next(ce_state, &transfer_context,
&ce_data, &nbytes, &transfer_id,
&flags) == 0) {
compl = get_free_compl(pipe_info);
if (!compl)
break;
......@@ -709,12 +688,7 @@ static void ath10k_pci_ce_recv_data(struct ath10k_ce_pipe *ce_state,
spin_lock_bh(&ar_pci->compl_lock);
list_add_tail(&compl->list, &ar_pci->compl_process);
spin_unlock_bh(&ar_pci->compl_lock);
} while (ath10k_ce_completed_recv_next(ce_state,
&transfer_context,
&ce_data, &nbytes,
&transfer_id,
&flags) == 0);
}
ath10k_pci_process_ce(ar);
}
......@@ -728,13 +702,10 @@ static int ath10k_pci_hif_send_head(struct ath10k *ar, u8 pipe_id,
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_pci_pipe *pipe_info = &(ar_pci->pipe_info[pipe_id]);
struct ath10k_ce_pipe *ce_hdl = pipe_info->ce_hdl;
struct ce_sendlist sendlist;
unsigned int len;
u32 flags = 0;
int ret;
memset(&sendlist, 0, sizeof(struct ce_sendlist));
len = min(bytes, nbuf->len);
bytes -= len;
......@@ -749,8 +720,6 @@ static int ath10k_pci_hif_send_head(struct ath10k *ar, u8 pipe_id,
"ath10k tx: data: ",
nbuf->data, nbuf->len);
ath10k_ce_sendlist_buf_add(&sendlist, skb_cb->paddr, len, flags);
/* Make sure we have resources to handle this request */
spin_lock_bh(&pipe_info->pipe_lock);
if (!pipe_info->num_sends_allowed) {
......@@ -761,7 +730,8 @@ static int ath10k_pci_hif_send_head(struct ath10k *ar, u8 pipe_id,
pipe_info->num_sends_allowed--;
spin_unlock_bh(&pipe_info->pipe_lock);
ret = ath10k_ce_sendlist_send(ce_hdl, nbuf, &sendlist, transfer_id);
ret = ath10k_ce_sendlist_send(ce_hdl, nbuf, transfer_id,
skb_cb->paddr, len, flags);
if (ret)
ath10k_warn("CE send failed: %p\n", nbuf);
......@@ -1316,7 +1286,6 @@ static void ath10k_pci_tx_pipe_cleanup(struct ath10k_pci_pipe *pipe_info)
while (ath10k_ce_cancel_send_next(ce_hdl, (void **)&netbuf,
&ce_data, &nbytes, &id) == 0) {
if (netbuf != CE_SENDLIST_ITEM_CTXT)
/*
* Indicate the completion to higer layer to free
* the buffer
......@@ -1490,13 +1459,16 @@ static int ath10k_pci_hif_exchange_bmi_msg(struct ath10k *ar,
return ret;
}
static void ath10k_pci_bmi_send_done(struct ath10k_ce_pipe *ce_state,
void *transfer_context,
u32 data,
unsigned int nbytes,
unsigned int transfer_id)
static void ath10k_pci_bmi_send_done(struct ath10k_ce_pipe *ce_state)
{
struct bmi_xfer *xfer = transfer_context;
struct bmi_xfer *xfer;
u32 ce_data;
unsigned int nbytes;
unsigned int transfer_id;
if (ath10k_ce_completed_send_next(ce_state, (void **)&xfer, &ce_data,
&nbytes, &transfer_id))
return;
if (xfer->wait_for_resp)
return;
......@@ -1504,14 +1476,17 @@ static void ath10k_pci_bmi_send_done(struct ath10k_ce_pipe *ce_state,
complete(&xfer->done);
}
static void ath10k_pci_bmi_recv_data(struct ath10k_ce_pipe *ce_state,
void *transfer_context,
u32 data,
unsigned int nbytes,
unsigned int transfer_id,
unsigned int flags)
static void ath10k_pci_bmi_recv_data(struct ath10k_ce_pipe *ce_state)
{
struct bmi_xfer *xfer = transfer_context;
struct bmi_xfer *xfer;
u32 ce_data;
unsigned int nbytes;
unsigned int transfer_id;
unsigned int flags;
if (ath10k_ce_completed_recv_next(ce_state, (void **)&xfer, &ce_data,
&nbytes, &transfer_id, &flags))
return;
if (!xfer->wait_for_resp) {
ath10k_warn("unexpected: BMI data received; ignoring\n");
......@@ -2374,10 +2349,10 @@ static void ath10k_pci_dump_features(struct ath10k_pci *ar_pci)
switch (i) {
case ATH10K_PCI_FEATURE_MSI_X:
ath10k_dbg(ATH10K_DBG_PCI, "device supports MSI-X\n");
ath10k_dbg(ATH10K_DBG_BOOT, "device supports MSI-X\n");
break;
case ATH10K_PCI_FEATURE_SOC_POWER_SAVE:
ath10k_dbg(ATH10K_DBG_PCI, "QCA98XX SoC power save enabled\n");
ath10k_dbg(ATH10K_DBG_BOOT, "QCA98XX SoC power save enabled\n");
break;
}
}
......@@ -2503,6 +2478,8 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
ath10k_do_pci_sleep(ar);
ath10k_dbg(ATH10K_DBG_BOOT, "boot pci_mem 0x%p\n", ar_pci->mem);
ret = ath10k_core_register(ar, chip_id);
if (ret) {
ath10k_err("could not register driver core (%d)\n", ret);
......
drivers/net/wireless/ath/ath10k/rx_desc.h
View file @ 75ae83d6
......@@ -422,10 +422,30 @@ struct rx_mpdu_end {
#define RX_MSDU_START_INFO1_IP_FRAG (1 << 14)
#define RX_MSDU_START_INFO1_TCP_ONLY_ACK (1 << 15)
/* The decapped header (rx_hdr_status) contains the following:
* a) 802.11 header
* [padding to 4 bytes]
* b) HW crypto parameter
* - 0 bytes for no security
* - 4 bytes for WEP
* - 8 bytes for TKIP, AES
* [padding to 4 bytes]
* c) A-MSDU subframe header (14 bytes) if appliable
* d) LLC/SNAP (RFC1042, 8 bytes)
*
* In case of A-MSDU only first frame in sequence contains (a) and (b). */
enum rx_msdu_decap_format {
RX_MSDU_DECAP_RAW = 0,
/* Note: QoS frames are reported as non-QoS. The rx_hdr_status in
* htt_rx_desc contains the original decapped 802.11 header. */
RX_MSDU_DECAP_NATIVE_WIFI = 1,
/* Payload contains an ethernet header (struct ethhdr). */
RX_MSDU_DECAP_ETHERNET2_DIX = 2,
/* Payload contains two 48-bit addresses and 2-byte length (14 bytes
* total), followed by an RFC1042 header (8 bytes). */
RX_MSDU_DECAP_8023_SNAP_LLC = 3
};
......
drivers/net/wireless/ath/ath10k/trace.h
View file @ 75ae83d6
......@@ -111,26 +111,29 @@ TRACE_EVENT(ath10k_log_dbg_dump,
);
TRACE_EVENT(ath10k_wmi_cmd,
TP_PROTO(int id, void *buf, size_t buf_len),
TP_PROTO(int id, void *buf, size_t buf_len, int ret),
TP_ARGS(id, buf, buf_len),
TP_ARGS(id, buf, buf_len, ret),
TP_STRUCT__entry(
__field(unsigned int, id)
__field(size_t, buf_len)
__dynamic_array(u8, buf, buf_len)
__field(int, ret)
),
TP_fast_assign(
__entry->id = id;
__entry->buf_len = buf_len;
__entry->ret = ret;
memcpy(__get_dynamic_array(buf), buf, buf_len);
),
TP_printk(
"id %d len %zu",
"id %d len %zu ret %d",
__entry->id,
__entry->buf_len
__entry->buf_len,
__entry->ret
)
);
......@@ -158,6 +161,27 @@ TRACE_EVENT(ath10k_wmi_event,
)
);
TRACE_EVENT(ath10k_htt_stats,
TP_PROTO(void *buf, size_t buf_len),
TP_ARGS(buf, buf_len),
TP_STRUCT__entry(
__field(size_t, buf_len)
__dynamic_array(u8, buf, buf_len)
),
TP_fast_assign(
__entry->buf_len = buf_len;
memcpy(__get_dynamic_array(buf), buf, buf_len);
),
TP_printk(
"len %zu",
__entry->buf_len
)
);
#endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
/* we don't want to use include/trace/events */
......
drivers/net/wireless/ath/ath10k/txrx.c
View file @ 75ae83d6
......@@ -44,40 +44,39 @@ static void ath10k_report_offchan_tx(struct ath10k *ar, struct sk_buff *skb)
spin_unlock_bh(&ar->data_lock);
}
void ath10k_txrx_tx_unref(struct ath10k_htt *htt, struct sk_buff *txdesc)
void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
const struct htt_tx_done *tx_done)
{
struct device *dev = htt->ar->dev;
struct ieee80211_tx_info *info;
struct sk_buff *txfrag = ATH10K_SKB_CB(txdesc)->htt.txfrag;
struct sk_buff *msdu = ATH10K_SKB_CB(txdesc)->htt.msdu;
struct ath10k_skb_cb *skb_cb;
struct sk_buff *msdu;
int ret;
if (ATH10K_SKB_CB(txdesc)->htt.refcount == 0)
return;
ATH10K_SKB_CB(txdesc)->htt.refcount--;
ath10k_dbg(ATH10K_DBG_HTT, "htt tx completion msdu_id %u discard %d no_ack %d\n",
tx_done->msdu_id, !!tx_done->discard, !!tx_done->no_ack);
if (ATH10K_SKB_CB(txdesc)->htt.refcount > 0)
if (tx_done->msdu_id >= htt->max_num_pending_tx) {
ath10k_warn("warning: msdu_id %d too big, ignoring\n",
tx_done->msdu_id);
return;
if (txfrag) {
ret = ath10k_skb_unmap(dev, txfrag);
if (ret)
ath10k_warn("txfrag unmap failed (%d)\n", ret);
dev_kfree_skb_any(txfrag);
}
msdu = htt->pending_tx[tx_done->msdu_id];
skb_cb = ATH10K_SKB_CB(msdu);
ret = ath10k_skb_unmap(dev, msdu);
if (ret)
ath10k_warn("data skb unmap failed (%d)\n", ret);
if (skb_cb->htt.frag_len)
skb_pull(msdu, skb_cb->htt.frag_len + skb_cb->htt.pad_len);
ath10k_report_offchan_tx(htt->ar, msdu);
info = IEEE80211_SKB_CB(msdu);
memset(&info->status, 0, sizeof(info->status));
if (ATH10K_SKB_CB(txdesc)->htt.discard) {
if (tx_done->discard) {
ieee80211_free_txskb(htt->ar->hw, msdu);
goto exit;
}
......@@ -85,7 +84,7 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt, struct sk_buff *txdesc)
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
info->flags |= IEEE80211_TX_STAT_ACK;
if (ATH10K_SKB_CB(txdesc)->htt.no_ack)
if (tx_done->no_ack)
info->flags &= ~IEEE80211_TX_STAT_ACK;
ieee80211_tx_status(htt->ar->hw, msdu);
......@@ -93,36 +92,12 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt, struct sk_buff *txdesc)
exit:
spin_lock_bh(&htt->tx_lock);
htt->pending_tx[ATH10K_SKB_CB(txdesc)->htt.msdu_id] = NULL;
ath10k_htt_tx_free_msdu_id(htt, ATH10K_SKB_CB(txdesc)->htt.msdu_id);
htt->pending_tx[tx_done->msdu_id] = NULL;
ath10k_htt_tx_free_msdu_id(htt, tx_done->msdu_id);
__ath10k_htt_tx_dec_pending(htt);
if (bitmap_empty(htt->used_msdu_ids, htt->max_num_pending_tx))
if (htt->num_pending_tx == 0)
wake_up(&htt->empty_tx_wq);
spin_unlock_bh(&htt->tx_lock);
dev_kfree_skb_any(txdesc);
}
void ath10k_txrx_tx_completed(struct ath10k_htt *htt,
const struct htt_tx_done *tx_done)
{
struct sk_buff *txdesc;
ath10k_dbg(ATH10K_DBG_HTT, "htt tx completion msdu_id %u discard %d no_ack %d\n",
tx_done->msdu_id, !!tx_done->discard, !!tx_done->no_ack);
if (tx_done->msdu_id >= htt->max_num_pending_tx) {
ath10k_warn("warning: msdu_id %d too big, ignoring\n",
tx_done->msdu_id);
return;
}
txdesc = htt->pending_tx[tx_done->msdu_id];
ATH10K_SKB_CB(txdesc)->htt.discard = tx_done->discard;
ATH10K_SKB_CB(txdesc)->htt.no_ack = tx_done->no_ack;
ath10k_txrx_tx_unref(htt, txdesc);
}
static const u8 rx_legacy_rate_idx[] = {
......@@ -293,6 +268,8 @@ void ath10k_process_rx(struct ath10k *ar, struct htt_rx_info *info)
status->vht_nss,
status->freq,
status->band);
ath10k_dbg_dump(ATH10K_DBG_HTT_DUMP, NULL, "rx skb: ",
info->skb->data, info->skb->len);
ieee80211_rx(ar->hw, info->skb);
}
......
drivers/net/wireless/ath/ath10k/txrx.h
View file @ 75ae83d6
......@@ -19,8 +19,7 @@
#include "htt.h"
void ath10k_txrx_tx_unref(struct ath10k_htt *htt, struct sk_buff *txdesc);
void ath10k_txrx_tx_completed(struct ath10k_htt *htt,
void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
const struct htt_tx_done *tx_done);
void ath10k_process_rx(struct ath10k *ar, struct htt_rx_info *info);
......
drivers/net/wireless/ath/ath10k/wmi.c
View file @ 75ae83d6
......@@ -23,30 +23,6 @@
#include "wmi.h"
#include "mac.h"
void ath10k_wmi_flush_tx(struct ath10k *ar)
{
int ret;
lockdep_assert_held(&ar->conf_mutex);
if (ar->state == ATH10K_STATE_WEDGED) {
ath10k_warn("wmi flush skipped - device is wedged anyway\n");
return;
}
ret = wait_event_timeout(ar->wmi.wq,
atomic_read(&ar->wmi.pending_tx_count) == 0,
5*HZ);
if (atomic_read(&ar->wmi.pending_tx_count) == 0)
return;
if (ret == 0)
ret = -ETIMEDOUT;
if (ret < 0)
ath10k_warn("wmi flush failed (%d)\n", ret);
}
int ath10k_wmi_wait_for_service_ready(struct ath10k *ar)
{
int ret;
......@@ -85,18 +61,14 @@ static struct sk_buff *ath10k_wmi_alloc_skb(u32 len)
static void ath10k_wmi_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb)
{
dev_kfree_skb(skb);
if (atomic_sub_return(1, &ar->wmi.pending_tx_count) == 0)
wake_up(&ar->wmi.wq);
}
/* WMI command API */
static int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb,
static int ath10k_wmi_cmd_send_nowait(struct ath10k *ar, struct sk_buff *skb,
enum wmi_cmd_id cmd_id)
{
struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
struct wmi_cmd_hdr *cmd_hdr;
int status;
int ret;
u32 cmd = 0;
if (skb_push(skb, sizeof(struct wmi_cmd_hdr)) == NULL)
......@@ -107,26 +79,87 @@ static int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb,
cmd_hdr = (struct wmi_cmd_hdr *)skb->data;
cmd_hdr->cmd_id = __cpu_to_le32(cmd);
if (atomic_add_return(1, &ar->wmi.pending_tx_count) >
WMI_MAX_PENDING_TX_COUNT) {
/* avoid using up memory when FW hangs */
dev_kfree_skb(skb);
atomic_dec(&ar->wmi.pending_tx_count);
return -EBUSY;
}
memset(skb_cb, 0, sizeof(*skb_cb));
ret = ath10k_htc_send(&ar->htc, ar->wmi.eid, skb);
trace_ath10k_wmi_cmd(cmd_id, skb->data, skb->len, ret);
trace_ath10k_wmi_cmd(cmd_id, skb->data, skb->len);
if (ret)
goto err_pull;
status = ath10k_htc_send(&ar->htc, ar->wmi.eid, skb);
if (status) {
return 0;
err_pull:
skb_pull(skb, sizeof(struct wmi_cmd_hdr));
return ret;
}
static void ath10k_wmi_tx_beacon_nowait(struct ath10k_vif *arvif)
{
struct wmi_bcn_tx_arg arg = {0};
int ret;
lockdep_assert_held(&arvif->ar->data_lock);
if (arvif->beacon == NULL)
return;
arg.vdev_id = arvif->vdev_id;
arg.tx_rate = 0;
arg.tx_power = 0;
arg.bcn = arvif->beacon->data;
arg.bcn_len = arvif->beacon->len;
ret = ath10k_wmi_beacon_send_nowait(arvif->ar, &arg);
if (ret)
return;
dev_kfree_skb_any(arvif->beacon);
arvif->beacon = NULL;
}
static void ath10k_wmi_tx_beacons_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
ath10k_wmi_tx_beacon_nowait(arvif);
}
static void ath10k_wmi_tx_beacons_nowait(struct ath10k *ar)
{
spin_lock_bh(&ar->data_lock);
ieee80211_iterate_active_interfaces_atomic(ar->hw,
IEEE80211_IFACE_ITER_NORMAL,
ath10k_wmi_tx_beacons_iter,
NULL);
spin_unlock_bh(&ar->data_lock);
}
static void ath10k_wmi_op_ep_tx_credits(struct ath10k *ar)
{
/* try to send pending beacons first. they take priority */
ath10k_wmi_tx_beacons_nowait(ar);
wake_up(&ar->wmi.tx_credits_wq);
}
static int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb,
enum wmi_cmd_id cmd_id)
{
int ret = -EINVAL;
wait_event_timeout(ar->wmi.tx_credits_wq, ({
/* try to send pending beacons first. they take priority */
ath10k_wmi_tx_beacons_nowait(ar);
ret = ath10k_wmi_cmd_send_nowait(ar, skb, cmd_id);
(ret != -EAGAIN);
}), 3*HZ);
if (ret)
dev_kfree_skb_any(skb);
atomic_dec(&ar->wmi.pending_tx_count);
return status;
}
return 0;
return ret;
}
static int ath10k_wmi_event_scan(struct ath10k *ar, struct sk_buff *skb)
......@@ -748,10 +781,8 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb)
int i = -1;
struct wmi_bcn_info *bcn_info;
struct ath10k_vif *arvif;
struct wmi_bcn_tx_arg arg;
struct sk_buff *bcn;
int vdev_id = 0;
int ret;
ath10k_dbg(ATH10K_DBG_MGMT, "WMI_HOST_SWBA_EVENTID\n");
......@@ -808,17 +839,17 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb)
ath10k_wmi_update_tim(ar, arvif, bcn, bcn_info);
ath10k_wmi_update_noa(ar, arvif, bcn, bcn_info);
arg.vdev_id = arvif->vdev_id;
arg.tx_rate = 0;
arg.tx_power = 0;
arg.bcn = bcn->data;
arg.bcn_len = bcn->len;
spin_lock_bh(&ar->data_lock);
if (arvif->beacon) {
ath10k_warn("SWBA overrun on vdev %d\n",
arvif->vdev_id);
dev_kfree_skb_any(arvif->beacon);
}
ret = ath10k_wmi_beacon_send(ar, &arg);
if (ret)
ath10k_warn("could not send beacon (%d)\n", ret);
arvif->beacon = bcn;
dev_kfree_skb_any(bcn);
ath10k_wmi_tx_beacon_nowait(arvif);
spin_unlock_bh(&ar->data_lock);
}
}
......@@ -1024,7 +1055,7 @@ static int ath10k_wmi_ready_event_rx(struct ath10k *ar, struct sk_buff *skb)
return 0;
}
static void ath10k_wmi_event_process(struct ath10k *ar, struct sk_buff *skb)
static void ath10k_wmi_process_rx(struct ath10k *ar, struct sk_buff *skb)
{
struct wmi_cmd_hdr *cmd_hdr;
enum wmi_event_id id;
......@@ -1143,64 +1174,18 @@ static void ath10k_wmi_event_process(struct ath10k *ar, struct sk_buff *skb)
dev_kfree_skb(skb);
}
static void ath10k_wmi_event_work(struct work_struct *work)
{
struct ath10k *ar = container_of(work, struct ath10k,
wmi.wmi_event_work);
struct sk_buff *skb;
for (;;) {
skb = skb_dequeue(&ar->wmi.wmi_event_list);
if (!skb)
break;
ath10k_wmi_event_process(ar, skb);
}
}
static void ath10k_wmi_process_rx(struct ath10k *ar, struct sk_buff *skb)
{
struct wmi_cmd_hdr *cmd_hdr = (struct wmi_cmd_hdr *)skb->data;
enum wmi_event_id event_id;
event_id = MS(__le32_to_cpu(cmd_hdr->cmd_id), WMI_CMD_HDR_CMD_ID);
/* some events require to be handled ASAP
* thus can't be defered to a worker thread */
switch (event_id) {
case WMI_HOST_SWBA_EVENTID:
case WMI_MGMT_RX_EVENTID:
ath10k_wmi_event_process(ar, skb);
return;
default:
break;
}
skb_queue_tail(&ar->wmi.wmi_event_list, skb);
queue_work(ar->workqueue, &ar->wmi.wmi_event_work);
}
/* WMI Initialization functions */
int ath10k_wmi_attach(struct ath10k *ar)
{
init_completion(&ar->wmi.service_ready);
init_completion(&ar->wmi.unified_ready);
init_waitqueue_head(&ar->wmi.wq);
skb_queue_head_init(&ar->wmi.wmi_event_list);
INIT_WORK(&ar->wmi.wmi_event_work, ath10k_wmi_event_work);
init_waitqueue_head(&ar->wmi.tx_credits_wq);
return 0;
}
void ath10k_wmi_detach(struct ath10k *ar)
{
/* HTC should've drained the packets already */
if (WARN_ON(atomic_read(&ar->wmi.pending_tx_count) > 0))
ath10k_warn("there are still pending packets\n");
cancel_work_sync(&ar->wmi.wmi_event_work);
skb_queue_purge(&ar->wmi.wmi_event_list);
}
int ath10k_wmi_connect_htc_service(struct ath10k *ar)
......@@ -1215,6 +1200,7 @@ int ath10k_wmi_connect_htc_service(struct ath10k *ar)
/* these fields are the same for all service endpoints */
conn_req.ep_ops.ep_tx_complete = ath10k_wmi_htc_tx_complete;
conn_req.ep_ops.ep_rx_complete = ath10k_wmi_process_rx;
conn_req.ep_ops.ep_tx_credits = ath10k_wmi_op_ep_tx_credits;
/* connect to control service */
conn_req.service_id = ATH10K_HTC_SVC_ID_WMI_CONTROL;
......@@ -2125,7 +2111,8 @@ int ath10k_wmi_peer_assoc(struct ath10k *ar,
return ath10k_wmi_cmd_send(ar, skb, WMI_PEER_ASSOC_CMDID);
}
int ath10k_wmi_beacon_send(struct ath10k *ar, const struct wmi_bcn_tx_arg *arg)
int ath10k_wmi_beacon_send_nowait(struct ath10k *ar,
const struct wmi_bcn_tx_arg *arg)
{
struct wmi_bcn_tx_cmd *cmd;
struct sk_buff *skb;
......@@ -2141,7 +2128,7 @@ int ath10k_wmi_beacon_send(struct ath10k *ar, const struct wmi_bcn_tx_arg *arg)
cmd->hdr.bcn_len = __cpu_to_le32(arg->bcn_len);
memcpy(cmd->bcn, arg->bcn, arg->bcn_len);
return ath10k_wmi_cmd_send(ar, skb, WMI_BCN_TX_CMDID);
return ath10k_wmi_cmd_send_nowait(ar, skb, WMI_BCN_TX_CMDID);
}
static void ath10k_wmi_pdev_set_wmm_param(struct wmi_wmm_params *params,
......
drivers/net/wireless/ath/ath10k/wmi.h
View file @ 75ae83d6
......@@ -508,6 +508,48 @@ enum wmi_phy_mode {
MODE_MAX = 14
};
static inline const char *ath10k_wmi_phymode_str(enum wmi_phy_mode mode)
{
switch (mode) {
case MODE_11A:
return "11a";
case MODE_11G:
return "11g";
case MODE_11B:
return "11b";
case MODE_11GONLY:
return "11gonly";
case MODE_11NA_HT20:
return "11na-ht20";
case MODE_11NG_HT20:
return "11ng-ht20";
case MODE_11NA_HT40:
return "11na-ht40";
case MODE_11NG_HT40:
return "11ng-ht40";
case MODE_11AC_VHT20:
return "11ac-vht20";
case MODE_11AC_VHT40:
return "11ac-vht40";
case MODE_11AC_VHT80:
return "11ac-vht80";
case MODE_11AC_VHT20_2G:
return "11ac-vht20-2g";
case MODE_11AC_VHT40_2G:
return "11ac-vht40-2g";
case MODE_11AC_VHT80_2G:
return "11ac-vht80-2g";
case MODE_UNKNOWN:
/* skip */
break;
/* no default handler to allow compiler to check that the
* enum is fully handled */
};
return "<unknown>";
}
#define WMI_CHAN_LIST_TAG 0x1
#define WMI_SSID_LIST_TAG 0x2
#define WMI_BSSID_LIST_TAG 0x3
......@@ -763,14 +805,6 @@ struct wmi_service_ready_event {
struct wlan_host_mem_req mem_reqs[1];
} __packed;
/*
* status consists of upper 16 bits fo int status and lower 16 bits of
* module ID that retuned status
*/
#define WLAN_INIT_STATUS_SUCCESS 0x0
#define WLAN_GET_INIT_STATUS_REASON(status) ((status) & 0xffff)
#define WLAN_GET_INIT_STATUS_MODULE_ID(status) (((status) >> 16) & 0xffff)
#define WMI_SERVICE_READY_TIMEOUT_HZ (5*HZ)
#define WMI_UNIFIED_READY_TIMEOUT_HZ (5*HZ)
......@@ -3010,7 +3044,6 @@ struct wmi_force_fw_hang_cmd {
#define WMI_MAX_EVENT 0x1000
/* Maximum number of pending TXed WMI packets */
#define WMI_MAX_PENDING_TX_COUNT 128
#define WMI_SKB_HEADROOM sizeof(struct wmi_cmd_hdr)
/* By default disable power save for IBSS */
......@@ -3023,7 +3056,6 @@ int ath10k_wmi_attach(struct ath10k *ar);
void ath10k_wmi_detach(struct ath10k *ar);
int ath10k_wmi_wait_for_service_ready(struct ath10k *ar);
int ath10k_wmi_wait_for_unified_ready(struct ath10k *ar);
void ath10k_wmi_flush_tx(struct ath10k *ar);
int ath10k_wmi_connect_htc_service(struct ath10k *ar);
int ath10k_wmi_pdev_set_channel(struct ath10k *ar,
......@@ -3076,7 +3108,8 @@ int ath10k_wmi_set_ap_ps_param(struct ath10k *ar, u32 vdev_id, const u8 *mac,
enum wmi_ap_ps_peer_param param_id, u32 value);
int ath10k_wmi_scan_chan_list(struct ath10k *ar,
const struct wmi_scan_chan_list_arg *arg);
int ath10k_wmi_beacon_send(struct ath10k *ar, const struct wmi_bcn_tx_arg *arg);
int ath10k_wmi_beacon_send_nowait(struct ath10k *ar,
const struct wmi_bcn_tx_arg *arg);
int ath10k_wmi_pdev_set_wmm_params(struct ath10k *ar,
const struct wmi_pdev_set_wmm_params_arg *arg);
int ath10k_wmi_request_stats(struct ath10k *ar, enum wmi_stats_id stats_id);
......
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