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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-commands.h42
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h9
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-rx.c85
3 files changed, 31 insertions, 105 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 528bcab49d13..45656f25c82e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -1023,25 +1023,6 @@ struct iwl_wep_cmd {
*
*****************************************************************************/
-struct iwl4965_rx_frame_stats {
- u8 phy_count;
- u8 id;
- u8 rssi;
- u8 agc;
- __le16 sig_avg;
- __le16 noise_diff;
- u8 payload[0];
-} __attribute__ ((packed));
-
-struct iwl4965_rx_frame_hdr {
- __le16 channel;
- __le16 phy_flags;
- u8 reserved1;
- u8 rate;
- __le16 len;
- u8 payload[0];
-} __attribute__ ((packed));
-
#define RX_RES_STATUS_NO_CRC32_ERROR cpu_to_le32(1 << 0)
#define RX_RES_STATUS_NO_RXE_OVERFLOW cpu_to_le32(1 << 1)
@@ -1072,26 +1053,6 @@ struct iwl4965_rx_frame_hdr {
#define RX_MPDU_RES_STATUS_TTAK_OK (1 << 7)
#define RX_MPDU_RES_STATUS_DEC_DONE_MSK (0x800)
-struct iwl4965_rx_frame_end {
- __le32 status;
- __le64 timestamp;
- __le32 beacon_timestamp;
-} __attribute__ ((packed));
-
-/*
- * REPLY_3945_RX = 0x1b (response only, not a command)
- *
- * NOTE: DO NOT dereference from casts to this structure
- * It is provided only for calculating minimum data set size.
- * The actual offsets of the hdr and end are dynamic based on
- * stats.phy_count
- */
-struct iwl4965_rx_frame {
- struct iwl4965_rx_frame_stats stats;
- struct iwl4965_rx_frame_hdr hdr;
- struct iwl4965_rx_frame_end end;
-} __attribute__ ((packed));
-
/* Fixed (non-configurable) rx data from phy */
#define IWL49_RX_RES_PHY_CNT 14
@@ -3049,7 +3010,6 @@ struct iwl_rx_packet {
struct iwl_cmd_header hdr;
union {
struct iwl_alive_resp alive_frame;
- struct iwl4965_rx_frame rx_frame;
struct iwl4965_tx_resp tx_resp;
struct iwl4965_spectrum_notification spectrum_notif;
struct iwl4965_csa_notification csa_notif;
@@ -3068,8 +3028,6 @@ struct iwl_rx_packet {
} u;
} __attribute__ ((packed));
-#define IWL_RX_FRAME_SIZE (4 + sizeof(struct iwl4965_rx_frame))
-
int iwl_agn_check_rxon_cmd(struct iwl_rxon_cmd *rxon);
#endif /* __iwl_commands_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index a19fbb5eaae4..9d678d1d19df 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -553,15 +553,6 @@ struct iwl_hw_params {
#define HT_SHORT_GI_40MHZ (1 << 1)
-#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
- x->u.rx_frame.stats.payload + \
- x->u.rx_frame.stats.phy_count))
-#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
- IWL_RX_HDR(x)->payload + \
- le16_to_cpu(IWL_RX_HDR(x)->len)))
-#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
-#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
-
/******************************************************************************
*
* Functions implemented in core module which are forward declared here
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 8d2b73e194da..6dd16c7b5d93 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -622,20 +622,24 @@ static int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm)
return sig_qual;
}
-#ifdef CONFIG_IWLWIFI_DEBUG
+/* Calc max signal level (dBm) among 3 possible receivers */
+static inline int iwl_calc_rssi(struct iwl_priv *priv,
+ struct iwl_rx_phy_res *rx_resp)
+{
+ return priv->cfg->ops->utils->calc_rssi(priv, rx_resp);
+}
+#ifdef CONFIG_IWLWIFI_DEBUG
/**
* iwl_dbg_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.
+ * group100 parameter selects whether to show 1 out of 100 good data frames.
+ * All beacon and probe response frames are printed.
*/
static void iwl_dbg_report_frame(struct iwl_priv *priv,
- struct iwl_rx_packet *pkt,
+ struct iwl_rx_phy_res *phy_res, u16 length,
struct ieee80211_hdr *header, int group100)
{
u32 to_us;
@@ -647,20 +651,9 @@ static void iwl_dbg_report_frame(struct iwl_priv *priv,
u16 seq_ctl;
u16 channel;
u16 phy_flags;
- int rate_sym;
- u16 length;
- u16 status;
- u16 bcn_tmr;
+ u32 rate_n_flags;
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);
+ int rssi;
if (likely(!(priv->debug_level & IWL_DL_RX)))
return;
@@ -670,22 +663,13 @@ static void iwl_dbg_report_frame(struct iwl_priv *priv,
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);
+ channel = le16_to_cpu(phy_res->channel);
+ phy_flags = le16_to_cpu(phy_res->phy_flags);
+ rate_n_flags = le32_to_cpu(phy_res->rate_n_flags);
/* 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);
+ rssi = iwl_calc_rssi(priv, phy_res);
+ tsf_low = le64_to_cpu(phy_res->timestamp) & 0x0ffffffff;
to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
@@ -739,11 +723,13 @@ static void iwl_dbg_report_frame(struct iwl_priv *priv,
else
title = "Frame";
- rate_idx = iwl_hwrate_to_plcp_idx(rate_sym);
- if (unlikely(rate_idx == -1))
+ rate_idx = iwl_hwrate_to_plcp_idx(rate_n_flags);
+ if (unlikely((rate_idx < 0) || (rate_idx >= IWL_RATE_COUNT))) {
bitrate = 0;
- else
+ WARN_ON_ONCE(1);
+ } else {
bitrate = iwl_rates[rate_idx].ieee / 2;
+ }
/* print frame summary.
* MAC addresses show just the last byte (for brevity),
@@ -755,23 +741,22 @@ static void iwl_dbg_report_frame(struct iwl_priv *priv,
length, rssi, channel, bitrate);
else {
/* src/dst addresses assume managed mode */
- IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, "
- "src=0x%02x, rssi=%u, tim=%lu usec, "
+ IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, src=0x%02x, "
+ "len=%u, rssi=%d, tim=%lu usec, "
"phy=0x%02x, chnl=%d\n",
title, le16_to_cpu(fc), header->addr1[5],
- header->addr3[5], rssi,
+ header->addr3[5], length, rssi,
tsf_low - priv->scan_start_tsf,
phy_flags, channel);
}
}
if (print_dump)
- iwl_print_hex_dump(priv, IWL_DL_RX, data, length);
+ iwl_print_hex_dump(priv, IWL_DL_RX, header, length);
}
#else
-static inline void iwl_dbg_report_frame(struct iwl_priv *priv,
- struct iwl_rx_packet *pkt,
- struct ieee80211_hdr *header,
- int group100)
+static void iwl_dbg_report_frame(struct iwl_priv *priv,
+ struct iwl_rx_phy_res *phy_res, u16 length,
+ struct ieee80211_hdr *header, int group100)
{
}
#endif
@@ -966,14 +951,6 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv,
rxb->skb = NULL;
}
-/* Calc max signal level (dBm) among 3 possible receivers */
-static inline int iwl_calc_rssi(struct iwl_priv *priv,
- struct iwl_rx_phy_res *rx_resp)
-{
- return priv->cfg->ops->utils->calc_rssi(priv, rx_resp);
-}
-
-
/* This is necessary only for a number of statistics, see the caller. */
static int iwl_is_network_packet(struct iwl_priv *priv,
struct ieee80211_hdr *header)
@@ -1096,8 +1073,8 @@ void iwl_rx_reply_rx(struct iwl_priv *priv,
priv->last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
/* Set "1" to report good data frames in groups of 100 */
- /* FIXME: need to optimize the call: */
- iwl_dbg_report_frame(priv, pkt, header, 1);
+ if (unlikely(priv->debug_level & IWL_DL_RX))
+ iwl_dbg_report_frame(priv, rx_start, len, header, 1);
IWL_DEBUG_STATS_LIMIT("Rssi %d, noise %d, qual %d, TSF %llu\n",
rx_status.signal, rx_status.noise, rx_status.signal,
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-15 09:59:24 +0000