forked from Minki/linux
iwlwifi: remove debug frame dumping
This can now be much better achieved using tracing and post-processing of the trace, rather than doing the processing in place in the driver, so remove a lot of code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Johannes Berg
Reinette Chatre
parent
3a0b9aad0a
commit
86cc652dfe
@ -494,158 +494,6 @@ void iwl3945_reply_statistics(struct iwl_priv *priv,
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* Misc. internal state and helper functions
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*
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******************************************************************************/
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#ifdef CONFIG_IWLWIFI_DEBUG
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/**
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* iwl3945_report_frame - dump frame to syslog during debug sessions
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*
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* You may hack this function to show different aspects of received frames,
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* including selective frame dumps.
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* group100 parameter selects whether to show 1 out of 100 good frames.
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*/
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static void _iwl3945_dbg_report_frame(struct iwl_priv *priv,
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struct iwl_rx_packet *pkt,
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struct ieee80211_hdr *header, int group100)
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{
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u32 to_us;
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u32 print_summary = 0;
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u32 print_dump = 0; /* set to 1 to dump all frames' contents */
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u32 hundred = 0;
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u32 dataframe = 0;
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__le16 fc;
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u16 seq_ctl;
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u16 channel;
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u16 phy_flags;
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u16 length;
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u16 status;
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u16 bcn_tmr;
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u32 tsf_low;
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u64 tsf;
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u8 rssi;
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u8 agc;
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u16 sig_avg;
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u16 noise_diff;
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struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt);
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struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
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struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
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u8 *data = IWL_RX_DATA(pkt);
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/* MAC header */
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fc = header->frame_control;
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seq_ctl = le16_to_cpu(header->seq_ctrl);
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/* metadata */
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channel = le16_to_cpu(rx_hdr->channel);
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phy_flags = le16_to_cpu(rx_hdr->phy_flags);
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length = le16_to_cpu(rx_hdr->len);
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/* end-of-frame status and timestamp */
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status = le32_to_cpu(rx_end->status);
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bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp);
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tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff;
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tsf = le64_to_cpu(rx_end->timestamp);
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/* signal statistics */
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rssi = rx_stats->rssi;
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agc = rx_stats->agc;
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sig_avg = le16_to_cpu(rx_stats->sig_avg);
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noise_diff = le16_to_cpu(rx_stats->noise_diff);
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to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
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/* if data frame is to us and all is good,
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* (optionally) print summary for only 1 out of every 100 */
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if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) ==
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cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
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dataframe = 1;
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if (!group100)
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print_summary = 1; /* print each frame */
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else if (priv->framecnt_to_us < 100) {
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priv->framecnt_to_us++;
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print_summary = 0;
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} else {
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priv->framecnt_to_us = 0;
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print_summary = 1;
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hundred = 1;
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}
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} else {
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/* print summary for all other frames */
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print_summary = 1;
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}
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if (print_summary) {
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char *title;
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int rate;
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if (hundred)
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title = "100Frames";
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else if (ieee80211_has_retry(fc))
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title = "Retry";
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else if (ieee80211_is_assoc_resp(fc))
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title = "AscRsp";
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else if (ieee80211_is_reassoc_resp(fc))
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title = "RasRsp";
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else if (ieee80211_is_probe_resp(fc)) {
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title = "PrbRsp";
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print_dump = 1; /* dump frame contents */
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} else if (ieee80211_is_beacon(fc)) {
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title = "Beacon";
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print_dump = 1; /* dump frame contents */
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} else if (ieee80211_is_atim(fc))
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title = "ATIM";
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else if (ieee80211_is_auth(fc))
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title = "Auth";
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else if (ieee80211_is_deauth(fc))
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title = "DeAuth";
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else if (ieee80211_is_disassoc(fc))
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title = "DisAssoc";
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else
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title = "Frame";
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rate = iwl3945_hwrate_to_plcp_idx(rx_hdr->rate);
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if (rate == -1)
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rate = 0;
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else
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rate = iwl3945_rates[rate].ieee / 2;
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/* print frame summary.
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* MAC addresses show just the last byte (for brevity),
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* but you can hack it to show more, if you'd like to. */
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if (dataframe)
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IWL_DEBUG_RX(priv, "%s: mhd=0x%04x, dst=0x%02x, "
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"len=%u, rssi=%d, chnl=%d, rate=%d,\n",
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title, le16_to_cpu(fc), header->addr1[5],
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length, rssi, channel, rate);
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else {
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/* src/dst addresses assume managed mode */
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IWL_DEBUG_RX(priv, "%s: 0x%04x, dst=0x%02x, "
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"src=0x%02x, rssi=%u, tim=%lu usec, "
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"phy=0x%02x, chnl=%d\n",
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title, le16_to_cpu(fc), header->addr1[5],
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header->addr3[5], rssi,
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tsf_low - priv->scan_start_tsf,
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phy_flags, channel);
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}
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}
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if (print_dump)
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iwl_print_hex_dump(priv, IWL_DL_RX, data, length);
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}
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static void iwl3945_dbg_report_frame(struct iwl_priv *priv,
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struct iwl_rx_packet *pkt,
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struct ieee80211_hdr *header, int group100)
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{
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if (iwl_get_debug_level(priv) & IWL_DL_RX)
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_iwl3945_dbg_report_frame(priv, pkt, header, group100);
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}
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#else
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static inline void iwl3945_dbg_report_frame(struct iwl_priv *priv,
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struct iwl_rx_packet *pkt,
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struct ieee80211_hdr *header, int group100)
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{
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}
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#endif
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/* This is necessary only for a number of statistics, see the caller. */
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static int iwl3945_is_network_packet(struct iwl_priv *priv,
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@ -777,8 +625,6 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
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rx_status.signal, rx_status.signal,
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rx_status.rate_idx);
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/* Set "1" to report good data frames in groups of 100 */
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iwl3945_dbg_report_frame(priv, pkt, header, 1);
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iwl_dbg_log_rx_data_frame(priv, le16_to_cpu(rx_hdr->len), header);
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if (network_packet) {
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@ -758,132 +758,6 @@ static inline int iwlagn_calc_rssi(struct iwl_priv *priv,
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return priv->cfg->ops->utils->calc_rssi(priv, rx_resp);
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}
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#ifdef CONFIG_IWLWIFI_DEBUG
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/**
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* iwlagn_dbg_report_frame - dump frame to syslog during debug sessions
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*
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* You may hack this function to show different aspects of received frames,
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* including selective frame dumps.
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* group100 parameter selects whether to show 1 out of 100 good data frames.
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* All beacon and probe response frames are printed.
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*/
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static void iwlagn_dbg_report_frame(struct iwl_priv *priv,
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struct iwl_rx_phy_res *phy_res, u16 length,
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struct ieee80211_hdr *header, int group100)
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{
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u32 to_us;
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u32 print_summary = 0;
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u32 print_dump = 0; /* set to 1 to dump all frames' contents */
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u32 hundred = 0;
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u32 dataframe = 0;
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__le16 fc;
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u16 seq_ctl;
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u16 channel;
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u16 phy_flags;
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u32 rate_n_flags;
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u32 tsf_low;
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int rssi;
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if (likely(!(iwl_get_debug_level(priv) & IWL_DL_RX)))
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return;
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/* MAC header */
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fc = header->frame_control;
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seq_ctl = le16_to_cpu(header->seq_ctrl);
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/* metadata */
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channel = le16_to_cpu(phy_res->channel);
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phy_flags = le16_to_cpu(phy_res->phy_flags);
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rate_n_flags = le32_to_cpu(phy_res->rate_n_flags);
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/* signal statistics */
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rssi = iwlagn_calc_rssi(priv, phy_res);
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tsf_low = le64_to_cpu(phy_res->timestamp) & 0x0ffffffff;
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to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
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/* if data frame is to us and all is good,
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* (optionally) print summary for only 1 out of every 100 */
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if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) ==
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cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
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dataframe = 1;
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if (!group100)
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print_summary = 1; /* print each frame */
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else if (priv->framecnt_to_us < 100) {
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priv->framecnt_to_us++;
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print_summary = 0;
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} else {
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priv->framecnt_to_us = 0;
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print_summary = 1;
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hundred = 1;
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}
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} else {
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/* print summary for all other frames */
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print_summary = 1;
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}
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if (print_summary) {
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char *title;
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int rate_idx;
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u32 bitrate;
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if (hundred)
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title = "100Frames";
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else if (ieee80211_has_retry(fc))
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title = "Retry";
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else if (ieee80211_is_assoc_resp(fc))
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title = "AscRsp";
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else if (ieee80211_is_reassoc_resp(fc))
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title = "RasRsp";
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else if (ieee80211_is_probe_resp(fc)) {
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title = "PrbRsp";
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print_dump = 1; /* dump frame contents */
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} else if (ieee80211_is_beacon(fc)) {
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title = "Beacon";
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print_dump = 1; /* dump frame contents */
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} else if (ieee80211_is_atim(fc))
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title = "ATIM";
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else if (ieee80211_is_auth(fc))
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title = "Auth";
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else if (ieee80211_is_deauth(fc))
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title = "DeAuth";
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else if (ieee80211_is_disassoc(fc))
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title = "DisAssoc";
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else
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title = "Frame";
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rate_idx = iwl_hwrate_to_plcp_idx(rate_n_flags);
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if (unlikely((rate_idx < 0) || (rate_idx >= IWL_RATE_COUNT))) {
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bitrate = 0;
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WARN_ON_ONCE(1);
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} else {
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bitrate = iwl_rates[rate_idx].ieee / 2;
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}
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/* print frame summary.
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* MAC addresses show just the last byte (for brevity),
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* but you can hack it to show more, if you'd like to. */
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if (dataframe)
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IWL_DEBUG_RX(priv, "%s: mhd=0x%04x, dst=0x%02x, "
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"len=%u, rssi=%d, chnl=%d, rate=%u,\n",
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title, le16_to_cpu(fc), header->addr1[5],
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length, rssi, channel, bitrate);
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else {
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/* src/dst addresses assume managed mode */
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IWL_DEBUG_RX(priv, "%s: 0x%04x, dst=0x%02x, src=0x%02x, "
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"len=%u, rssi=%d, tim=%lu usec, "
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"phy=0x%02x, chnl=%d\n",
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title, le16_to_cpu(fc), header->addr1[5],
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header->addr3[5], length, rssi,
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tsf_low - priv->scan_start_tsf,
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phy_flags, channel);
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}
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}
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if (print_dump)
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iwl_print_hex_dump(priv, IWL_DL_RX, header, length);
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}
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#endif
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static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in)
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{
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u32 decrypt_out = 0;
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@ -1063,11 +937,6 @@ void iwlagn_rx_reply_rx(struct iwl_priv *priv,
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/* Find max signal strength (dBm) among 3 antenna/receiver chains */
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rx_status.signal = iwlagn_calc_rssi(priv, phy_res);
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#ifdef CONFIG_IWLWIFI_DEBUG
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/* Set "1" to report good data frames in groups of 100 */
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if (unlikely(iwl_get_debug_level(priv) & IWL_DL_RX))
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iwlagn_dbg_report_frame(priv, phy_res, len, header, 1);
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#endif
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iwl_dbg_log_rx_data_frame(priv, len, header);
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IWL_DEBUG_STATS_LIMIT(priv, "Rssi %d, TSF %llu\n",
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rx_status.signal, (unsigned long long)rx_status.mactime);
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