ath10k: clean up phyerr code

Make the phyerr structures more compact and easier
to understand. Also add constness.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2014-09-18 15:21:25 +02:00 committed by Kalle Valo
parent 5c01aa3de9
commit 2332d0ae92
4 changed files with 66 additions and 149 deletions

View File

@ -56,14 +56,14 @@ static uint8_t get_max_exp(s8 max_index, u16 max_magnitude, size_t bin_len,
}
int ath10k_spectral_process_fft(struct ath10k *ar,
struct wmi_single_phyerr_rx_event *event,
struct phyerr_fft_report *fftr,
const struct wmi_phyerr *phyerr,
const struct phyerr_fft_report *fftr,
size_t bin_len, u64 tsf)
{
struct fft_sample_ath10k *fft_sample;
u8 buf[sizeof(*fft_sample) + SPECTRAL_ATH10K_MAX_NUM_BINS];
u16 freq1, freq2, total_gain_db, base_pwr_db, length, peak_mag;
u32 reg0, reg1, nf_list1, nf_list2;
u32 reg0, reg1;
u8 chain_idx, *bins;
int dc_pos;
@ -82,7 +82,7 @@ int ath10k_spectral_process_fft(struct ath10k *ar,
/* TODO: there might be a reason why the hardware reports 20/40/80 MHz,
* but the results/plots suggest that its actually 22/44/88 MHz.
*/
switch (event->hdr.chan_width_mhz) {
switch (phyerr->chan_width_mhz) {
case 20:
fft_sample->chan_width_mhz = 22;
break;
@ -101,7 +101,7 @@ int ath10k_spectral_process_fft(struct ath10k *ar,
fft_sample->chan_width_mhz = 88;
break;
default:
fft_sample->chan_width_mhz = event->hdr.chan_width_mhz;
fft_sample->chan_width_mhz = phyerr->chan_width_mhz;
}
fft_sample->relpwr_db = MS(reg1, SEARCH_FFT_REPORT_REG1_RELPWR_DB);
@ -110,36 +110,22 @@ int ath10k_spectral_process_fft(struct ath10k *ar,
peak_mag = MS(reg1, SEARCH_FFT_REPORT_REG1_PEAK_MAG);
fft_sample->max_magnitude = __cpu_to_be16(peak_mag);
fft_sample->max_index = MS(reg0, SEARCH_FFT_REPORT_REG0_PEAK_SIDX);
fft_sample->rssi = event->hdr.rssi_combined;
fft_sample->rssi = phyerr->rssi_combined;
total_gain_db = MS(reg0, SEARCH_FFT_REPORT_REG0_TOTAL_GAIN_DB);
base_pwr_db = MS(reg0, SEARCH_FFT_REPORT_REG0_BASE_PWR_DB);
fft_sample->total_gain_db = __cpu_to_be16(total_gain_db);
fft_sample->base_pwr_db = __cpu_to_be16(base_pwr_db);
freq1 = __le16_to_cpu(event->hdr.freq1);
freq2 = __le16_to_cpu(event->hdr.freq2);
freq1 = __le16_to_cpu(phyerr->freq1);
freq2 = __le16_to_cpu(phyerr->freq2);
fft_sample->freq1 = __cpu_to_be16(freq1);
fft_sample->freq2 = __cpu_to_be16(freq2);
nf_list1 = __le32_to_cpu(event->hdr.nf_list_1);
nf_list2 = __le32_to_cpu(event->hdr.nf_list_2);
chain_idx = MS(reg0, SEARCH_FFT_REPORT_REG0_FFT_CHN_IDX);
switch (chain_idx) {
case 0:
fft_sample->noise = __cpu_to_be16(nf_list1 & 0xffffu);
break;
case 1:
fft_sample->noise = __cpu_to_be16((nf_list1 >> 16) & 0xffffu);
break;
case 2:
fft_sample->noise = __cpu_to_be16(nf_list2 & 0xffffu);
break;
case 3:
fft_sample->noise = __cpu_to_be16((nf_list2 >> 16) & 0xffffu);
break;
}
fft_sample->noise = __cpu_to_be16(
__le16_to_cpu(phyerr->nf_chains[chain_idx]));
bins = (u8 *)fftr;
bins += sizeof(*fftr);

View File

@ -47,8 +47,8 @@ enum ath10k_spectral_mode {
#ifdef CONFIG_ATH10K_DEBUGFS
int ath10k_spectral_process_fft(struct ath10k *ar,
struct wmi_single_phyerr_rx_event *event,
struct phyerr_fft_report *fftr,
const struct wmi_phyerr *phyerr,
const struct phyerr_fft_report *fftr,
size_t bin_len, u64 tsf);
int ath10k_spectral_start(struct ath10k *ar);
int ath10k_spectral_vif_stop(struct ath10k_vif *arvif);
@ -59,8 +59,8 @@ void ath10k_spectral_destroy(struct ath10k *ar);
static inline int
ath10k_spectral_process_fft(struct ath10k *ar,
struct wmi_single_phyerr_rx_event *event,
struct phyerr_fft_report *fftr,
const struct wmi_phyerr *phyerr,
const struct phyerr_fft_report *fftr,
size_t bin_len, u64 tsf)
{
return 0;

View File

@ -1723,8 +1723,8 @@ static void ath10k_wmi_event_tbttoffset_update(struct ath10k *ar,
}
static void ath10k_dfs_radar_report(struct ath10k *ar,
struct wmi_single_phyerr_rx_event *event,
struct phyerr_radar_report *rr,
const struct wmi_phyerr *phyerr,
const struct phyerr_radar_report *rr,
u64 tsf)
{
u32 reg0, reg1, tsf32l;
@ -1757,12 +1757,12 @@ static void ath10k_dfs_radar_report(struct ath10k *ar,
return;
/* report event to DFS pattern detector */
tsf32l = __le32_to_cpu(event->hdr.tsf_timestamp);
tsf32l = __le32_to_cpu(phyerr->tsf_timestamp);
tsf64 = tsf & (~0xFFFFFFFFULL);
tsf64 |= tsf32l;
width = MS(reg1, RADAR_REPORT_REG1_PULSE_DUR);
rssi = event->hdr.rssi_combined;
rssi = phyerr->rssi_combined;
/* hardware store this as 8 bit signed value,
* set to zero if negative number
@ -1801,8 +1801,8 @@ static void ath10k_dfs_radar_report(struct ath10k *ar,
}
static int ath10k_dfs_fft_report(struct ath10k *ar,
struct wmi_single_phyerr_rx_event *event,
struct phyerr_fft_report *fftr,
const struct wmi_phyerr *phyerr,
const struct phyerr_fft_report *fftr,
u64 tsf)
{
u32 reg0, reg1;
@ -1810,7 +1810,7 @@ static int ath10k_dfs_fft_report(struct ath10k *ar,
reg0 = __le32_to_cpu(fftr->reg0);
reg1 = __le32_to_cpu(fftr->reg1);
rssi = event->hdr.rssi_combined;
rssi = phyerr->rssi_combined;
ath10k_dbg(ar, ATH10K_DBG_REGULATORY,
"wmi phyerr fft report total_gain_db %d base_pwr_db %d fft_chn_idx %d peak_sidx %d\n",
@ -1839,20 +1839,20 @@ static int ath10k_dfs_fft_report(struct ath10k *ar,
}
static void ath10k_wmi_event_dfs(struct ath10k *ar,
struct wmi_single_phyerr_rx_event *event,
const struct wmi_phyerr *phyerr,
u64 tsf)
{
int buf_len, tlv_len, res, i = 0;
struct phyerr_tlv *tlv;
struct phyerr_radar_report *rr;
struct phyerr_fft_report *fftr;
u8 *tlv_buf;
const struct phyerr_tlv *tlv;
const struct phyerr_radar_report *rr;
const struct phyerr_fft_report *fftr;
const u8 *tlv_buf;
buf_len = __le32_to_cpu(event->hdr.buf_len);
buf_len = __le32_to_cpu(phyerr->buf_len);
ath10k_dbg(ar, ATH10K_DBG_REGULATORY,
"wmi event dfs err_code %d rssi %d tsfl 0x%X tsf64 0x%llX len %d\n",
event->hdr.phy_err_code, event->hdr.rssi_combined,
__le32_to_cpu(event->hdr.tsf_timestamp), tsf, buf_len);
phyerr->phy_err_code, phyerr->rssi_combined,
__le32_to_cpu(phyerr->tsf_timestamp), tsf, buf_len);
/* Skip event if DFS disabled */
if (!config_enabled(CONFIG_ATH10K_DFS_CERTIFIED))
@ -1867,9 +1867,9 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar,
return;
}
tlv = (struct phyerr_tlv *)&event->bufp[i];
tlv = (struct phyerr_tlv *)&phyerr->buf[i];
tlv_len = __le16_to_cpu(tlv->len);
tlv_buf = &event->bufp[i + sizeof(*tlv)];
tlv_buf = &phyerr->buf[i + sizeof(*tlv)];
ath10k_dbg(ar, ATH10K_DBG_REGULATORY,
"wmi event dfs tlv_len %d tlv_tag 0x%02X tlv_sig 0x%02X\n",
tlv_len, tlv->tag, tlv->sig);
@ -1883,7 +1883,7 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar,
}
rr = (struct phyerr_radar_report *)tlv_buf;
ath10k_dfs_radar_report(ar, event, rr, tsf);
ath10k_dfs_radar_report(ar, phyerr, rr, tsf);
break;
case PHYERR_TLV_TAG_SEARCH_FFT_REPORT:
if (i + sizeof(*tlv) + sizeof(*fftr) > buf_len) {
@ -1893,7 +1893,7 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar,
}
fftr = (struct phyerr_fft_report *)tlv_buf;
res = ath10k_dfs_fft_report(ar, event, fftr, tsf);
res = ath10k_dfs_fft_report(ar, phyerr, fftr, tsf);
if (res)
return;
break;
@ -1905,16 +1905,16 @@ static void ath10k_wmi_event_dfs(struct ath10k *ar,
static void
ath10k_wmi_event_spectral_scan(struct ath10k *ar,
struct wmi_single_phyerr_rx_event *event,
const struct wmi_phyerr *phyerr,
u64 tsf)
{
int buf_len, tlv_len, res, i = 0;
struct phyerr_tlv *tlv;
u8 *tlv_buf;
struct phyerr_fft_report *fftr;
const void *tlv_buf;
const struct phyerr_fft_report *fftr;
size_t fftr_len;
buf_len = __le32_to_cpu(event->hdr.buf_len);
buf_len = __le32_to_cpu(phyerr->buf_len);
while (i < buf_len) {
if (i + sizeof(*tlv) > buf_len) {
@ -1923,9 +1923,9 @@ ath10k_wmi_event_spectral_scan(struct ath10k *ar,
return;
}
tlv = (struct phyerr_tlv *)&event->bufp[i];
tlv = (struct phyerr_tlv *)&phyerr->buf[i];
tlv_len = __le16_to_cpu(tlv->len);
tlv_buf = &event->bufp[i + sizeof(*tlv)];
tlv_buf = &phyerr->buf[i + sizeof(*tlv)];
if (i + sizeof(*tlv) + tlv_len > buf_len) {
ath10k_warn(ar, "failed to parse phyerr tlv payload at byte %d\n",
@ -1942,8 +1942,8 @@ ath10k_wmi_event_spectral_scan(struct ath10k *ar,
}
fftr_len = tlv_len - sizeof(*fftr);
fftr = (struct phyerr_fft_report *)tlv_buf;
res = ath10k_spectral_process_fft(ar, event,
fftr = tlv_buf;
res = ath10k_spectral_process_fft(ar, phyerr,
fftr, fftr_len,
tsf);
if (res < 0) {
@ -1960,8 +1960,8 @@ ath10k_wmi_event_spectral_scan(struct ath10k *ar,
static void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb)
{
struct wmi_comb_phyerr_rx_event *comb_event;
struct wmi_single_phyerr_rx_event *event;
const struct wmi_phyerr_event *ev;
const struct wmi_phyerr *phyerr;
u32 count, i, buf_len, phy_err_code;
u64 tsf;
int left_len = skb->len;
@ -1969,38 +1969,38 @@ static void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb)
ATH10K_DFS_STAT_INC(ar, phy_errors);
/* Check if combined event available */
if (left_len < sizeof(*comb_event)) {
if (left_len < sizeof(*ev)) {
ath10k_warn(ar, "wmi phyerr combined event wrong len\n");
return;
}
left_len -= sizeof(*comb_event);
left_len -= sizeof(*ev);
/* Check number of included events */
comb_event = (struct wmi_comb_phyerr_rx_event *)skb->data;
count = __le32_to_cpu(comb_event->hdr.num_phyerr_events);
ev = (const struct wmi_phyerr_event *)skb->data;
count = __le32_to_cpu(ev->num_phyerrs);
tsf = __le32_to_cpu(comb_event->hdr.tsf_u32);
tsf = __le32_to_cpu(ev->tsf_u32);
tsf <<= 32;
tsf |= __le32_to_cpu(comb_event->hdr.tsf_l32);
tsf |= __le32_to_cpu(ev->tsf_l32);
ath10k_dbg(ar, ATH10K_DBG_WMI,
"wmi event phyerr count %d tsf64 0x%llX\n",
count, tsf);
event = (struct wmi_single_phyerr_rx_event *)comb_event->bufp;
phyerr = ev->phyerrs;
for (i = 0; i < count; i++) {
/* Check if we can read event header */
if (left_len < sizeof(*event)) {
if (left_len < sizeof(*phyerr)) {
ath10k_warn(ar, "single event (%d) wrong head len\n",
i);
return;
}
left_len -= sizeof(*event);
left_len -= sizeof(*phyerr);
buf_len = __le32_to_cpu(event->hdr.buf_len);
phy_err_code = event->hdr.phy_err_code;
buf_len = __le32_to_cpu(phyerr->buf_len);
phy_err_code = phyerr->phy_err_code;
if (left_len < buf_len) {
ath10k_warn(ar, "single event (%d) wrong buf len\n", i);
@ -2011,20 +2011,20 @@ static void ath10k_wmi_event_phyerr(struct ath10k *ar, struct sk_buff *skb)
switch (phy_err_code) {
case PHY_ERROR_RADAR:
ath10k_wmi_event_dfs(ar, event, tsf);
ath10k_wmi_event_dfs(ar, phyerr, tsf);
break;
case PHY_ERROR_SPECTRAL_SCAN:
ath10k_wmi_event_spectral_scan(ar, event, tsf);
ath10k_wmi_event_spectral_scan(ar, phyerr, tsf);
break;
case PHY_ERROR_FALSE_RADAR_EXT:
ath10k_wmi_event_dfs(ar, event, tsf);
ath10k_wmi_event_spectral_scan(ar, event, tsf);
ath10k_wmi_event_dfs(ar, phyerr, tsf);
ath10k_wmi_event_spectral_scan(ar, phyerr, tsf);
break;
default:
break;
}
event += sizeof(*event) + buf_len;
phyerr = (void *)phyerr + sizeof(*phyerr) + buf_len;
}
}

View File

@ -2294,94 +2294,25 @@ struct wmi_mgmt_rx_event_v2 {
#define PHY_ERROR_FALSE_RADAR_EXT 0x24
#define PHY_ERROR_RADAR 0x05
struct wmi_single_phyerr_rx_hdr {
/* TSF timestamp */
struct wmi_phyerr {
__le32 tsf_timestamp;
/*
* Current freq1, freq2
*
* [7:0]: freq1[lo]
* [15:8] : freq1[hi]
* [23:16]: freq2[lo]
* [31:24]: freq2[hi]
*/
__le16 freq1;
__le16 freq2;
/*
* Combined RSSI over all chains and channel width for this PHY error
*
* [7:0]: RSSI combined
* [15:8]: Channel width (MHz)
* [23:16]: PHY error code
* [24:16]: reserved (future use)
*/
u8 rssi_combined;
u8 chan_width_mhz;
u8 phy_err_code;
u8 rsvd0;
/*
* RSSI on chain 0 through 3
*
* This is formatted the same as the PPDU_START RX descriptor
* field:
*
* [7:0]: pri20
* [15:8]: sec20
* [23:16]: sec40
* [31:24]: sec80
*/
__le32 rssi_chain0;
__le32 rssi_chain1;
__le32 rssi_chain2;
__le32 rssi_chain3;
/*
* Last calibrated NF value for chain 0 through 3
*
* nf_list_1:
*
* + [15:0] - chain 0
* + [31:16] - chain 1
*
* nf_list_2:
*
* + [15:0] - chain 2
* + [31:16] - chain 3
*/
__le32 nf_list_1;
__le32 nf_list_2;
/* Length of the frame */
__le32 rssi_chains[4];
__le16 nf_chains[4];
__le32 buf_len;
u8 buf[0];
} __packed;
struct wmi_single_phyerr_rx_event {
/* Phy error event header */
struct wmi_single_phyerr_rx_hdr hdr;
/* frame buffer */
u8 bufp[0];
} __packed;
struct wmi_comb_phyerr_rx_hdr {
/* Phy error phy error count */
__le32 num_phyerr_events;
struct wmi_phyerr_event {
__le32 num_phyerrs;
__le32 tsf_l32;
__le32 tsf_u32;
} __packed;
struct wmi_comb_phyerr_rx_event {
/* Phy error phy error count */
struct wmi_comb_phyerr_rx_hdr hdr;
/*
* frame buffer - contains multiple payloads in the order:
* header - payload, header - payload...
* (The header is of type: wmi_single_phyerr_rx_hdr)
*/
u8 bufp[0];
struct wmi_phyerr phyerrs[0];
} __packed;
#define PHYERR_TLV_SIG 0xBB