Commit 17744ff6 authored by Tomas Winkler's avatar Tomas Winkler Committed by John W. Linville

iwlwifi: Fix 52 rate report in rx status

This patch fixes reporting rate in RX packets in 52 band.
The rate was updated from CCK rate index instead of OFDM rate 6M
Most of the patch is collateral clean up
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 8211ef78
...@@ -40,6 +40,15 @@ do { if (iwl3945_debug_level & (level)) \ ...@@ -40,6 +40,15 @@ do { if (iwl3945_debug_level & (level)) \
do { if ((iwl3945_debug_level & (level)) && net_ratelimit()) \ do { if ((iwl3945_debug_level & (level)) && net_ratelimit()) \
printk(KERN_ERR DRV_NAME": %c %s " fmt, \ printk(KERN_ERR DRV_NAME": %c %s " fmt, \
in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
static inline void iwl3945_print_hex_dump(int level, void *p, u32 len)
{
if (!(iwl3945_debug_level & level))
return;
print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
p, len, 1);
}
#else #else
static inline void IWL_DEBUG(int level, const char *fmt, ...) static inline void IWL_DEBUG(int level, const char *fmt, ...)
{ {
...@@ -47,8 +56,13 @@ static inline void IWL_DEBUG(int level, const char *fmt, ...) ...@@ -47,8 +56,13 @@ static inline void IWL_DEBUG(int level, const char *fmt, ...)
static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...)
{ {
} }
static inline void iwl3945_print_hex_dump(int level, void *p, u32 len)
{
}
#endif /* CONFIG_IWL3945_DEBUG */ #endif /* CONFIG_IWL3945_DEBUG */
/* /*
* To use the debug system; * To use the debug system;
* *
...@@ -143,6 +157,7 @@ static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) ...@@ -143,6 +157,7 @@ static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...)
IWL_DEBUG_LIMIT(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a) IWL_DEBUG_LIMIT(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a)
#define IWL_DEBUG_HT(f, a...) IWL_DEBUG(IWL_DL_HT, f, ## a) #define IWL_DEBUG_HT(f, a...) IWL_DEBUG(IWL_DL_HT, f, ## a)
#define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a) #define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_STATS_LIMIT(f, a...) IWL_DEBUG_LIMIT(IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a) #define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a)
#define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a) #define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a)
#define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a) #define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a)
......
This diff is collapsed.
...@@ -558,16 +558,6 @@ extern int iwl3945_is_network_packet(struct iwl3945_priv *priv, ...@@ -558,16 +558,6 @@ extern int iwl3945_is_network_packet(struct iwl3945_priv *priv,
struct ieee80211_hdr *header); struct ieee80211_hdr *header);
extern int iwl3945_power_init_handle(struct iwl3945_priv *priv); extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
extern int iwl3945_eeprom_init(struct iwl3945_priv *priv); extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
#ifdef CONFIG_IWL3945_DEBUG
extern void iwl3945_report_frame(struct iwl3945_priv *priv,
struct iwl3945_rx_packet *pkt,
struct ieee80211_hdr *header, int group100);
#else
static inline void iwl3945_report_frame(struct iwl3945_priv *priv,
struct iwl3945_rx_packet *pkt,
struct ieee80211_hdr *header,
int group100) {}
#endif
extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv, extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv,
struct iwl3945_rx_mem_buffer *rxb, struct iwl3945_rx_mem_buffer *rxb,
void *data, short len, void *data, short len,
...@@ -949,16 +939,6 @@ static inline int is_channel_ibss(const struct iwl3945_channel_info *ch) ...@@ -949,16 +939,6 @@ static inline int is_channel_ibss(const struct iwl3945_channel_info *ch)
return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
} }
static inline int iwl3945_rate_index_from_plcp(int plcp)
{
int i;
for (i = 0; i < IWL_RATE_COUNT; i++)
if (iwl3945_rates[i].plcp == plcp)
return i;
return -1;
}
extern const struct iwl3945_channel_info *iwl3945_get_channel_info( extern const struct iwl3945_channel_info *iwl3945_get_channel_info(
const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel); const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
......
...@@ -40,15 +40,30 @@ do { if (iwl4965_debug_level & (level)) \ ...@@ -40,15 +40,30 @@ do { if (iwl4965_debug_level & (level)) \
do { if ((iwl4965_debug_level & (level)) && net_ratelimit()) \ do { if ((iwl4965_debug_level & (level)) && net_ratelimit()) \
printk(KERN_ERR DRV_NAME": %c %s " fmt, \ printk(KERN_ERR DRV_NAME": %c %s " fmt, \
in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
static inline void iwl4965_print_hex_dump(int level, void *p, u32 len)
{
if (!(iwl4965_debug_level & level))
return;
print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
p, len, 1);
}
#else #else
static inline void IWL_DEBUG(int level, const char *fmt, ...) static inline void IWL_DEBUG(int level, const char *fmt, ...)
{ {
} }
static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...)
{ {
} }
static inline void iwl4965_print_hex_dump(int level, void *p, u32 len)
{
}
#endif /* CONFIG_IWL4965_DEBUG */ #endif /* CONFIG_IWL4965_DEBUG */
/* /*
* To use the debug system; * To use the debug system;
* *
...@@ -143,6 +158,7 @@ static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) ...@@ -143,6 +158,7 @@ static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...)
IWL_DEBUG_LIMIT(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a) IWL_DEBUG_LIMIT(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a)
#define IWL_DEBUG_HT(f, a...) IWL_DEBUG(IWL_DL_HT, f, ## a) #define IWL_DEBUG_HT(f, a...) IWL_DEBUG(IWL_DL_HT, f, ## a)
#define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a) #define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_STATS_LIMIT(f, a...) IWL_DEBUG_LIMIT(IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a) #define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a)
#define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a) #define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a)
#define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a) #define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a)
......
...@@ -570,7 +570,7 @@ static int rs_get_tbl_info_from_mcs(const struct iwl4965_rate *mcs_rate, ...@@ -570,7 +570,7 @@ static int rs_get_tbl_info_from_mcs(const struct iwl4965_rate *mcs_rate,
int index; int index;
u32 ant_msk; u32 ant_msk;
index = iwl4965_rate_index_from_plcp(mcs_rate->rate_n_flags); index = iwl4965_hwrate_to_plcp_idx(mcs_rate->rate_n_flags);
if (index == IWL_RATE_INVALID) { if (index == IWL_RATE_INVALID) {
*rate_idx = -1; *rate_idx = -1;
...@@ -1921,7 +1921,7 @@ static void rs_rate_scale_perform(struct iwl4965_priv *priv, ...@@ -1921,7 +1921,7 @@ static void rs_rate_scale_perform(struct iwl4965_priv *priv,
tbl = &(lq_sta->lq_info[active_tbl]); tbl = &(lq_sta->lq_info[active_tbl]);
/* Revert to "active" rate and throughput info */ /* Revert to "active" rate and throughput info */
index = iwl4965_rate_index_from_plcp( index = iwl4965_hwrate_to_plcp_idx(
tbl->current_rate.rate_n_flags); tbl->current_rate.rate_n_flags);
current_tpt = lq_sta->last_tpt; current_tpt = lq_sta->last_tpt;
...@@ -2077,7 +2077,7 @@ static void rs_rate_scale_perform(struct iwl4965_priv *priv, ...@@ -2077,7 +2077,7 @@ static void rs_rate_scale_perform(struct iwl4965_priv *priv,
rs_rate_scale_clear_window(&(tbl->win[i])); rs_rate_scale_clear_window(&(tbl->win[i]));
/* Use new "search" start rate */ /* Use new "search" start rate */
index = iwl4965_rate_index_from_plcp( index = iwl4965_hwrate_to_plcp_idx(
tbl->current_rate.rate_n_flags); tbl->current_rate.rate_n_flags);
IWL_DEBUG_HT("Switch current mcs: %X index: %d\n", IWL_DEBUG_HT("Switch current mcs: %X index: %d\n",
......
...@@ -259,7 +259,7 @@ static inline u8 iwl4965_get_prev_ieee_rate(u8 rate_index) ...@@ -259,7 +259,7 @@ static inline u8 iwl4965_get_prev_ieee_rate(u8 rate_index)
return rate; return rate;
} }
extern int iwl4965_rate_index_from_plcp(int plcp); extern int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags);
/** /**
* iwl4965_fill_rs_info - Fill an output text buffer with the rate representation * iwl4965_fill_rs_info - Fill an output text buffer with the rate representation
......
This diff is collapsed.
...@@ -633,16 +633,6 @@ extern int iwl4965_is_network_packet(struct iwl4965_priv *priv, ...@@ -633,16 +633,6 @@ extern int iwl4965_is_network_packet(struct iwl4965_priv *priv,
struct ieee80211_hdr *header); struct ieee80211_hdr *header);
extern int iwl4965_power_init_handle(struct iwl4965_priv *priv); extern int iwl4965_power_init_handle(struct iwl4965_priv *priv);
extern int iwl4965_eeprom_init(struct iwl4965_priv *priv); extern int iwl4965_eeprom_init(struct iwl4965_priv *priv);
#ifdef CONFIG_IWL4965_DEBUG
extern void iwl4965_report_frame(struct iwl4965_priv *priv,
struct iwl4965_rx_packet *pkt,
struct ieee80211_hdr *header, int group100);
#else
static inline void iwl4965_report_frame(struct iwl4965_priv *priv,
struct iwl4965_rx_packet *pkt,
struct ieee80211_hdr *header,
int group100) {}
#endif
extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv *priv, extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv *priv,
struct iwl4965_rx_mem_buffer *rxb, struct iwl4965_rx_mem_buffer *rxb,
void *data, short len, void *data, short len,
......
...@@ -162,17 +162,6 @@ static const char *iwl3945_escape_essid(const char *essid, u8 essid_len) ...@@ -162,17 +162,6 @@ static const char *iwl3945_escape_essid(const char *essid, u8 essid_len)
return escaped; return escaped;
} }
static void iwl3945_print_hex_dump(int level, void *p, u32 len)
{
#ifdef CONFIG_IWL3945_DEBUG
if (!(iwl3945_debug_level & level))
return;
print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
p, len, 1);
#endif
}
/*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** /*************** DMA-QUEUE-GENERAL-FUNCTIONS *****
* DMA services * DMA services
* *
...@@ -1630,151 +1619,6 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv) ...@@ -1630,151 +1619,6 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv)
return 0; return 0;
} }
/******************************************************************************
*
* Misc. internal state and helper functions
*
******************************************************************************/
#ifdef CONFIG_IWL3945_DEBUG
/**
* iwl3945_report_frame - dump frame to syslog during debug sessions
*
* You may hack this function to show different aspects of received frames,
* including selective frame dumps.
* group100 parameter selects whether to show 1 out of 100 good frames.
*/
void iwl3945_report_frame(struct iwl3945_priv *priv,
struct iwl3945_rx_packet *pkt,
struct ieee80211_hdr *header, int group100)
{
u32 to_us;
u32 print_summary = 0;
u32 print_dump = 0; /* set to 1 to dump all frames' contents */
u32 hundred = 0;
u32 dataframe = 0;
u16 fc;
u16 seq_ctl;
u16 channel;
u16 phy_flags;
int rate_sym;
u16 length;
u16 status;
u16 bcn_tmr;
u32 tsf_low;
u64 tsf;
u8 rssi;
u8 agc;
u16 sig_avg;
u16 noise_diff;
struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt);
struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
u8 *data = IWL_RX_DATA(pkt);
/* MAC header */
fc = le16_to_cpu(header->frame_control);
seq_ctl = le16_to_cpu(header->seq_ctrl);
/* metadata */
channel = le16_to_cpu(rx_hdr->channel);
phy_flags = le16_to_cpu(rx_hdr->phy_flags);
rate_sym = rx_hdr->rate;
length = le16_to_cpu(rx_hdr->len);
/* end-of-frame status and timestamp */
status = le32_to_cpu(rx_end->status);
bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp);
tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff;
tsf = le64_to_cpu(rx_end->timestamp);
/* signal statistics */
rssi = rx_stats->rssi;
agc = rx_stats->agc;
sig_avg = le16_to_cpu(rx_stats->sig_avg);
noise_diff = le16_to_cpu(rx_stats->noise_diff);
to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
/* if data frame is to us and all is good,
* (optionally) print summary for only 1 out of every 100 */
if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) ==
(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
dataframe = 1;
if (!group100)
print_summary = 1; /* print each frame */
else if (priv->framecnt_to_us < 100) {
priv->framecnt_to_us++;
print_summary = 0;
} else {
priv->framecnt_to_us = 0;
print_summary = 1;
hundred = 1;
}
} else {
/* print summary for all other frames */
print_summary = 1;
}
if (print_summary) {
char *title;
u32 rate;
if (hundred)
title = "100Frames";
else if (fc & IEEE80211_FCTL_RETRY)
title = "Retry";
else if (ieee80211_is_assoc_response(fc))
title = "AscRsp";
else if (ieee80211_is_reassoc_response(fc))
title = "RasRsp";
else if (ieee80211_is_probe_response(fc)) {
title = "PrbRsp";
print_dump = 1; /* dump frame contents */
} else if (ieee80211_is_beacon(fc)) {
title = "Beacon";
print_dump = 1; /* dump frame contents */
} else if (ieee80211_is_atim(fc))
title = "ATIM";
else if (ieee80211_is_auth(fc))
title = "Auth";
else if (ieee80211_is_deauth(fc))
title = "DeAuth";
else if (ieee80211_is_disassoc(fc))
title = "DisAssoc";
else
title = "Frame";
rate = iwl3945_rate_index_from_plcp(rate_sym);
if (rate == -1)
rate = 0;
else
rate = iwl3945_rates[rate].ieee / 2;
/* print frame summary.
* MAC addresses show just the last byte (for brevity),
* but you can hack it to show more, if you'd like to. */
if (dataframe)
IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, "
"len=%u, rssi=%d, chnl=%d, rate=%u, \n",
title, fc, header->addr1[5],
length, rssi, channel, rate);
else {
/* src/dst addresses assume managed mode */
IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, "
"src=0x%02x, rssi=%u, tim=%lu usec, "
"phy=0x%02x, chnl=%d\n",
title, fc, header->addr1[5],
header->addr3[5], rssi,
tsf_low - priv->scan_start_tsf,
phy_flags, channel);
}
}
if (print_dump)
iwl3945_print_hex_dump(IWL_DL_RX, data, length);
}
#endif
static void iwl3945_unset_hw_setting(struct iwl3945_priv *priv) static void iwl3945_unset_hw_setting(struct iwl3945_priv *priv)
{ {
if (priv->hw_setting.shared_virt) if (priv->hw_setting.shared_virt)
...@@ -7895,31 +7739,6 @@ static DEVICE_ATTR(measurement, S_IRUSR | S_IWUSR, ...@@ -7895,31 +7739,6 @@ static DEVICE_ATTR(measurement, S_IRUSR | S_IWUSR,
show_measurement, store_measurement); show_measurement, store_measurement);
#endif /* CONFIG_IWL3945_SPECTRUM_MEASUREMENT */ #endif /* CONFIG_IWL3945_SPECTRUM_MEASUREMENT */
static ssize_t show_rate(struct device *d,
struct device_attribute *attr, char *buf)
{
struct iwl3945_priv *priv = dev_get_drvdata(d);
unsigned long flags;
int i;
spin_lock_irqsave(&priv->sta_lock, flags);
if (priv->iw_mode == IEEE80211_IF_TYPE_STA)
i = priv->stations[IWL_AP_ID].current_rate.s.rate;
else
i = priv->stations[IWL_STA_ID].current_rate.s.rate;
spin_unlock_irqrestore(&priv->sta_lock, flags);
i = iwl3945_rate_index_from_plcp(i);
if (i == -1)
return sprintf(buf, "0\n");
return sprintf(buf, "%d%s\n",
(iwl3945_rates[i].ieee >> 1),
(iwl3945_rates[i].ieee & 0x1) ? ".5" : "");
}
static DEVICE_ATTR(rate, S_IRUSR, show_rate, NULL);
static ssize_t store_retry_rate(struct device *d, static ssize_t store_retry_rate(struct device *d,
struct device_attribute *attr, struct device_attribute *attr,
const char *buf, size_t count) const char *buf, size_t count)
...@@ -8210,7 +8029,6 @@ static struct attribute *iwl3945_sysfs_entries[] = { ...@@ -8210,7 +8029,6 @@ static struct attribute *iwl3945_sysfs_entries[] = {
&dev_attr_measurement.attr, &dev_attr_measurement.attr,
#endif #endif
&dev_attr_power_level.attr, &dev_attr_power_level.attr,
&dev_attr_rate.attr,
&dev_attr_retry_rate.attr, &dev_attr_retry_rate.attr,
&dev_attr_rf_kill.attr, &dev_attr_rf_kill.attr,
&dev_attr_rs_window.attr, &dev_attr_rs_window.attr,
......
...@@ -161,17 +161,6 @@ static const char *iwl4965_escape_essid(const char *essid, u8 essid_len) ...@@ -161,17 +161,6 @@ static const char *iwl4965_escape_essid(const char *essid, u8 essid_len)
return escaped; return escaped;
} }
static void iwl4965_print_hex_dump(int level, void *p, u32 len)
{
#ifdef CONFIG_IWL4965_DEBUG
if (!(iwl4965_debug_level & level))
return;
print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
p, len, 1);
#endif
}
/*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** /*************** DMA-QUEUE-GENERAL-FUNCTIONS *****
* DMA services * DMA services
* *
...@@ -1551,34 +1540,6 @@ unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv, ...@@ -1551,34 +1540,6 @@ unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv,
return priv->ibss_beacon->len; return priv->ibss_beacon->len;
} }
int iwl4965_rate_index_from_plcp(int plcp)
{
int i = 0;
/* 4965 HT rate format */
if (plcp & RATE_MCS_HT_MSK) {
i = (plcp & 0xff);
if (i >= IWL_RATE_MIMO_6M_PLCP)
i = i - IWL_RATE_MIMO_6M_PLCP;
i += IWL_FIRST_OFDM_RATE;
/* skip 9M not supported in ht*/
if (i >= IWL_RATE_9M_INDEX)
i += 1;
if ((i >= IWL_FIRST_OFDM_RATE) &&
(i <= IWL_LAST_OFDM_RATE))
return i;
/* 4965 legacy rate format, search for match in table */
} else {
for (i = 0; i < ARRAY_SIZE(iwl4965_rates); i++)
if (iwl4965_rates[i].plcp == (plcp &0xFF))
return i;
}
return -1;
}
static u8 iwl4965_rate_get_lowest_plcp(int rate_mask) static u8 iwl4965_rate_get_lowest_plcp(int rate_mask)
{ {
u8 i; u8 i;
...@@ -1712,148 +1673,6 @@ int iwl4965_eeprom_init(struct iwl4965_priv *priv) ...@@ -1712,148 +1673,6 @@ int iwl4965_eeprom_init(struct iwl4965_priv *priv)
* Misc. internal state and helper functions * Misc. internal state and helper functions
* *
******************************************************************************/ ******************************************************************************/
#ifdef CONFIG_IWL4965_DEBUG
/**
* iwl4965_report_frame - dump frame to syslog during debug sessions
*
* You may hack this function to show different aspects of received frames,
* including selective frame dumps.
* group100 parameter selects whether to show 1 out of 100 good frames.
*
* TODO: This was originally written for 3945, need to audit for
* proper operation with 4965.
*/
void iwl4965_report_frame(struct iwl4965_priv *priv,
struct iwl4965_rx_packet *pkt,
struct ieee80211_hdr *header, int group100)
{
u32 to_us;
u32 print_summary = 0;
u32 print_dump = 0; /* set to 1 to dump all frames' contents */
u32 hundred = 0;
u32 dataframe = 0;
u16 fc;
u16 seq_ctl;
u16 channel;
u16 phy_flags;
int rate_sym;
u16 length;
u16 status;
u16 bcn_tmr;
u32 tsf_low;
u64 tsf;
u8 rssi;
u8 agc;
u16 sig_avg;
u16 noise_diff;
struct iwl4965_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt);
struct iwl4965_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
struct iwl4965_rx_frame_end *rx_end = IWL_RX_END(pkt);
u8 *data = IWL_RX_DATA(pkt);
/* MAC header */
fc = le16_to_cpu(header->frame_control);
seq_ctl = le16_to_cpu(header->seq_ctrl);
/* metadata */
channel = le16_to_cpu(rx_hdr->channel);
phy_flags = le16_to_cpu(rx_hdr->phy_flags);
rate_sym = rx_hdr->rate;
length = le16_to_cpu(rx_hdr->len);
/* end-of-frame status and timestamp */
status = le32_to_cpu(rx_end->status);
bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp);
tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff;
tsf = le64_to_cpu(rx_end->timestamp);
/* signal statistics */
rssi = rx_stats->rssi;
agc = rx_stats->agc;
sig_avg = le16_to_cpu(rx_stats->sig_avg);
noise_diff = le16_to_cpu(rx_stats->noise_diff);
to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
/* if data frame is to us and all is good,
* (optionally) print summary for only 1 out of every 100 */
if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) ==
(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
dataframe = 1;
if (!group100)
print_summary = 1; /* print each frame */
else if (priv->framecnt_to_us < 100) {
priv->framecnt_to_us++;
print_summary = 0;
} else {
priv->framecnt_to_us = 0;
print_summary = 1;
hundred = 1;
}
} else {
/* print summary for all other frames */
print_summary = 1;
}
if (print_summary) {
char *title;
u32 rate;
if (hundred)
title = "100Frames";
else if (fc & IEEE80211_FCTL_RETRY)
title = "Retry";
else if (ieee80211_is_assoc_response(fc))
title = "AscRsp";
else if (ieee80211_is_reassoc_response(fc))
title = "RasRsp";
else if (ieee80211_is_probe_response(fc)) {
title = "PrbRsp";
print_dump = 1; /* dump frame contents */
} else if (ieee80211_is_beacon(fc)) {
title = "Beacon";
print_dump = 1; /* dump frame contents */
} else if (ieee80211_is_atim(fc))
title = "ATIM";
else if (ieee80211_is_auth(fc))
title = "Auth";
else if (ieee80211_is_deauth(fc))
title = "DeAuth";
else if (ieee80211_is_disassoc(fc))
title = "DisAssoc";
else
title = "Frame";
rate = iwl4965_rate_index_from_plcp(rate_sym);
if (rate == -1)
rate = 0;
else
rate = iwl4965_rates[rate].ieee / 2;
/* print frame summary.
* MAC addresses show just the last byte (for brevity),
* but you can hack it to show more, if you'd like to. */
if (dataframe)
IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, "
"len=%u, rssi=%d, chnl=%d, rate=%u, \n",
title, fc, header->addr1[5],
length, rssi, channel, rate);
else {
/* src/dst addresses assume managed mode */
IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, "
"src=0x%02x, rssi=%u, tim=%lu usec, "
"phy=0x%02x, chnl=%d\n",
title, fc, header->addr1[5],
header->addr3[5], rssi,
tsf_low - priv->scan_start_tsf,
phy_flags, channel);
}
}
if (print_dump)
iwl4965_print_hex_dump(IWL_DL_RX, data, length);
}
#endif
static void iwl4965_unset_hw_setting(struct iwl4965_priv *priv) static void iwl4965_unset_hw_setting(struct iwl4965_priv *priv)
{ {
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment