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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-05-24 10:39:52 +00:00
wil6210: support Scheduled scan
Add support for sched_scan_start/stop by sending PNO commands to FW. Driver reports max_sched_scan_reqs and invokes cfg80211_sched_scan_results upon receiving WMI_SCHED_SCAN_RESULT_EVENTID from FW. Signed-off-by: Dedy Lansky <qca_dlansky@qca.qualcomm.com> Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Dedy Lansky
Kalle Valo
parent
8b1083d618
commit
a5dc688392
5 changed files with 395 additions and 18 deletions
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@ -1751,6 +1751,69 @@ static int wil_cfg80211_resume(struct wiphy *wiphy)
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return 0;
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}
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static int
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wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
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struct net_device *dev,
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struct cfg80211_sched_scan_request *request)
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{
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struct wil6210_priv *wil = wiphy_to_wil(wiphy);
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int i, rc;
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wil_dbg_misc(wil,
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"sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
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request->n_ssids, request->ie_len, request->flags);
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for (i = 0; i < request->n_ssids; i++) {
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wil_dbg_misc(wil, "SSID[%d]:", i);
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wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
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request->ssids[i].ssid,
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request->ssids[i].ssid_len, true);
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}
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wil_dbg_misc(wil, "channels:");
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for (i = 0; i < request->n_channels; i++)
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wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
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i == request->n_channels - 1 ? "\n" : "");
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wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
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request->n_match_sets, request->min_rssi_thold,
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request->delay);
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for (i = 0; i < request->n_match_sets; i++) {
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struct cfg80211_match_set *ms = &request->match_sets[i];
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wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
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i, ms->rssi_thold);
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wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
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ms->ssid.ssid,
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ms->ssid.ssid_len, true);
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}
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wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
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for (i = 0; i < request->n_scan_plans; i++) {
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struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
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wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
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i, sp->interval, sp->iterations);
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}
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rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie);
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if (rc)
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return rc;
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return wmi_start_sched_scan(wil, request);
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}
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static int
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wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
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u64 reqid)
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{
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struct wil6210_priv *wil = wiphy_to_wil(wiphy);
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int rc;
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rc = wmi_stop_sched_scan(wil);
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/* device would return error if it thinks PNO is already stopped.
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* ignore the return code so user space and driver gets back in-sync
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*/
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wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
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return 0;
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}
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static const struct cfg80211_ops wil_cfg80211_ops = {
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.add_virtual_intf = wil_cfg80211_add_iface,
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.del_virtual_intf = wil_cfg80211_del_iface,
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@ -1784,6 +1847,8 @@ static const struct cfg80211_ops wil_cfg80211_ops = {
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.set_power_mgmt = wil_cfg80211_set_power_mgmt,
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.suspend = wil_cfg80211_suspend,
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.resume = wil_cfg80211_resume,
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.sched_scan_start = wil_cfg80211_sched_scan_start,
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.sched_scan_stop = wil_cfg80211_sched_scan_stop,
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};
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static void wil_wiphy_init(struct wiphy *wiphy)
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@ -785,6 +785,14 @@ void wil_refresh_fw_capabilities(struct wil6210_priv *wil)
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wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
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else
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wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
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if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) {
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wiphy->max_sched_scan_reqs = 1;
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wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM;
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wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM;
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wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN;
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wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM;
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}
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}
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void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
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@ -1030,4 +1030,8 @@ void wil_halp_unvote(struct wil6210_priv *wil);
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void wil6210_set_halp(struct wil6210_priv *wil);
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void wil6210_clear_halp(struct wil6210_priv *wil);
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int wmi_start_sched_scan(struct wil6210_priv *wil,
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struct cfg80211_sched_scan_request *request);
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int wmi_stop_sched_scan(struct wil6210_priv *wil);
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#endif /* __WIL6210_H__ */
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@ -38,6 +38,7 @@ MODULE_PARM_DESC(led_id,
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" 60G device led enablement. Set the led ID (0-2) to enable");
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#define WIL_WAIT_FOR_SUSPEND_RESUME_COMP 200
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#define WIL_WMI_CALL_GENERAL_TO_MS 100
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/**
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* WMI event receiving - theory of operations
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@ -314,6 +315,10 @@ static const char *cmdid2name(u16 cmdid)
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return "WMI_LINK_MAINTAIN_CFG_WRITE_CMD";
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case WMI_LO_POWER_CALIB_FROM_OTP_CMDID:
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return "WMI_LO_POWER_CALIB_FROM_OTP_CMD";
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case WMI_START_SCHED_SCAN_CMDID:
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return "WMI_START_SCHED_SCAN_CMD";
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case WMI_STOP_SCHED_SCAN_CMDID:
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return "WMI_STOP_SCHED_SCAN_CMD";
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default:
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return "Untracked CMD";
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}
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@ -428,6 +433,12 @@ static const char *eventid2name(u16 eventid)
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return "WMI_LINK_MAINTAIN_CFG_WRITE_DONE_EVENT";
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case WMI_LO_POWER_CALIB_FROM_OTP_EVENTID:
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return "WMI_LO_POWER_CALIB_FROM_OTP_EVENT";
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case WMI_START_SCHED_SCAN_EVENTID:
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return "WMI_START_SCHED_SCAN_EVENT";
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case WMI_STOP_SCHED_SCAN_EVENTID:
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return "WMI_STOP_SCHED_SCAN_EVENT";
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case WMI_SCHED_SCAN_RESULT_EVENTID:
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return "WMI_SCHED_SCAN_RESULT_EVENT";
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default:
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return "Untracked EVENT";
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}
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@ -1066,6 +1077,75 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
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spin_unlock_bh(&sta->tid_rx_lock);
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}
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static void
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wmi_evt_sched_scan_result(struct wil6210_priv *wil, int id, void *d, int len)
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{
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struct wmi_sched_scan_result_event *data = d;
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struct wiphy *wiphy = wil_to_wiphy(wil);
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struct ieee80211_mgmt *rx_mgmt_frame =
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(struct ieee80211_mgmt *)data->payload;
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int flen = len - offsetof(struct wmi_sched_scan_result_event, payload);
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int ch_no;
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u32 freq;
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struct ieee80211_channel *channel;
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s32 signal;
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__le16 fc;
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u32 d_len;
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struct cfg80211_bss *bss;
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if (flen < 0) {
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wil_err(wil, "sched scan result event too short, len %d\n",
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len);
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return;
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}
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d_len = le32_to_cpu(data->info.len);
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if (d_len != flen) {
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wil_err(wil,
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"sched scan result length mismatch, d_len %d should be %d\n",
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d_len, flen);
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return;
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}
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fc = rx_mgmt_frame->frame_control;
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if (!ieee80211_is_probe_resp(fc)) {
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wil_err(wil, "sched scan result invalid frame, fc 0x%04x\n",
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fc);
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return;
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}
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ch_no = data->info.channel + 1;
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freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ);
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channel = ieee80211_get_channel(wiphy, freq);
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if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities))
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signal = 100 * data->info.rssi;
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else
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signal = data->info.sqi;
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wil_dbg_wmi(wil, "sched scan result: channel %d MCS %d RSSI %d\n",
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data->info.channel, data->info.mcs, data->info.rssi);
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wil_dbg_wmi(wil, "len %d qid %d mid %d cid %d\n",
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d_len, data->info.qid, data->info.mid, data->info.cid);
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wil_hex_dump_wmi("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
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d_len, true);
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if (!channel) {
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wil_err(wil, "Frame on unsupported channel\n");
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return;
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}
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bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
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d_len, signal, GFP_KERNEL);
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if (bss) {
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wil_dbg_wmi(wil, "Added BSS %pM\n", rx_mgmt_frame->bssid);
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cfg80211_put_bss(wiphy, bss);
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} else {
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wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
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}
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cfg80211_sched_scan_results(wiphy, 0);
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}
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/**
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* Some events are ignored for purpose; and need not be interpreted as
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* "unhandled events"
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@ -1093,6 +1173,7 @@ static const struct {
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{WMI_DELBA_EVENTID, wmi_evt_delba},
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{WMI_VRING_EN_EVENTID, wmi_evt_vring_en},
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{WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore},
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{WMI_SCHED_SCAN_RESULT_EVENTID, wmi_evt_sched_scan_result},
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};
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/*
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@ -2284,3 +2365,159 @@ out:
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spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
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return rc;
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}
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static void
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wmi_sched_scan_set_ssids(struct wil6210_priv *wil,
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struct wmi_start_sched_scan_cmd *cmd,
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struct cfg80211_ssid *ssids, int n_ssids,
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struct cfg80211_match_set *match_sets,
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int n_match_sets)
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{
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int i;
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if (n_match_sets > WMI_MAX_PNO_SSID_NUM) {
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wil_dbg_wmi(wil, "too many match sets (%d), use first %d\n",
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n_match_sets, WMI_MAX_PNO_SSID_NUM);
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n_match_sets = WMI_MAX_PNO_SSID_NUM;
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}
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cmd->num_of_ssids = n_match_sets;
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for (i = 0; i < n_match_sets; i++) {
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struct wmi_sched_scan_ssid_match *wmi_match =
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&cmd->ssid_for_match[i];
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struct cfg80211_match_set *cfg_match = &match_sets[i];
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int j;
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wmi_match->ssid_len = cfg_match->ssid.ssid_len;
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memcpy(wmi_match->ssid, cfg_match->ssid.ssid,
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min_t(u8, wmi_match->ssid_len, WMI_MAX_SSID_LEN));
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wmi_match->rssi_threshold = S8_MIN;
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if (cfg_match->rssi_thold >= S8_MIN &&
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cfg_match->rssi_thold <= S8_MAX)
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wmi_match->rssi_threshold = cfg_match->rssi_thold;
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for (j = 0; j < n_ssids; j++)
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if (wmi_match->ssid_len == ssids[j].ssid_len &&
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memcmp(wmi_match->ssid, ssids[j].ssid,
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wmi_match->ssid_len) == 0)
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wmi_match->add_ssid_to_probe = true;
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}
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}
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static void
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wmi_sched_scan_set_channels(struct wil6210_priv *wil,
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struct wmi_start_sched_scan_cmd *cmd,
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u32 n_channels,
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struct ieee80211_channel **channels)
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{
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int i;
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if (n_channels > WMI_MAX_CHANNEL_NUM) {
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wil_dbg_wmi(wil, "too many channels (%d), use first %d\n",
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n_channels, WMI_MAX_CHANNEL_NUM);
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n_channels = WMI_MAX_CHANNEL_NUM;
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}
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cmd->num_of_channels = n_channels;
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for (i = 0; i < n_channels; i++) {
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struct ieee80211_channel *cfg_chan = channels[i];
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cmd->channel_list[i] = cfg_chan->hw_value - 1;
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}
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}
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static void
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wmi_sched_scan_set_plans(struct wil6210_priv *wil,
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struct wmi_start_sched_scan_cmd *cmd,
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struct cfg80211_sched_scan_plan *scan_plans,
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int n_scan_plans)
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{
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int i;
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if (n_scan_plans > WMI_MAX_PLANS_NUM) {
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wil_dbg_wmi(wil, "too many plans (%d), use first %d\n",
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n_scan_plans, WMI_MAX_PLANS_NUM);
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n_scan_plans = WMI_MAX_PLANS_NUM;
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}
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for (i = 0; i < n_scan_plans; i++) {
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struct cfg80211_sched_scan_plan *cfg_plan = &scan_plans[i];
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cmd->scan_plans[i].interval_sec =
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cpu_to_le16(cfg_plan->interval);
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cmd->scan_plans[i].num_of_iterations =
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cpu_to_le16(cfg_plan->iterations);
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}
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}
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int wmi_start_sched_scan(struct wil6210_priv *wil,
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struct cfg80211_sched_scan_request *request)
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{
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int rc;
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struct wmi_start_sched_scan_cmd cmd = {
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.min_rssi_threshold = S8_MIN,
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.initial_delay_sec = cpu_to_le16(request->delay),
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};
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struct {
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struct wmi_cmd_hdr wmi;
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struct wmi_start_sched_scan_event evt;
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} __packed reply;
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if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities))
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return -ENOTSUPP;
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if (request->min_rssi_thold >= S8_MIN &&
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request->min_rssi_thold <= S8_MAX)
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cmd.min_rssi_threshold = request->min_rssi_thold;
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wmi_sched_scan_set_ssids(wil, &cmd, request->ssids, request->n_ssids,
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request->match_sets, request->n_match_sets);
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wmi_sched_scan_set_channels(wil, &cmd,
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request->n_channels, request->channels);
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wmi_sched_scan_set_plans(wil, &cmd,
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request->scan_plans, request->n_scan_plans);
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reply.evt.result = WMI_PNO_REJECT;
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rc = wmi_call(wil, WMI_START_SCHED_SCAN_CMDID, &cmd, sizeof(cmd),
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WMI_START_SCHED_SCAN_EVENTID, &reply, sizeof(reply),
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WIL_WMI_CALL_GENERAL_TO_MS);
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if (rc)
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return rc;
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if (reply.evt.result != WMI_PNO_SUCCESS) {
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wil_err(wil, "start sched scan failed, result %d\n",
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reply.evt.result);
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return -EINVAL;
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}
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return 0;
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}
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int wmi_stop_sched_scan(struct wil6210_priv *wil)
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{
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int rc;
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struct {
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struct wmi_cmd_hdr wmi;
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struct wmi_stop_sched_scan_event evt;
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} __packed reply;
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if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities))
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return -ENOTSUPP;
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reply.evt.result = WMI_PNO_REJECT;
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rc = wmi_call(wil, WMI_STOP_SCHED_SCAN_CMDID, NULL, 0,
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WMI_STOP_SCHED_SCAN_EVENTID, &reply, sizeof(reply),
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WIL_WMI_CALL_GENERAL_TO_MS);
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if (rc)
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return rc;
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if (reply.evt.result != WMI_PNO_SUCCESS) {
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wil_err(wil, "stop sched scan failed, result %d\n",
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reply.evt.result);
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return -EINVAL;
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}
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return 0;
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}
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@ -71,6 +71,7 @@ enum wmi_fw_capability {
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WMI_FW_CAPABILITY_RSSI_REPORTING = 12,
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WMI_FW_CAPABILITY_SET_SILENT_RSSI_TABLE = 13,
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WMI_FW_CAPABILITY_LO_POWER_CALIB_FROM_OTP = 14,
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WMI_FW_CAPABILITY_PNO = 15,
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WMI_FW_CAPABILITY_MAX,
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};
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@ -87,6 +88,8 @@ enum wmi_command_id {
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WMI_CONNECT_CMDID = 0x01,
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WMI_DISCONNECT_CMDID = 0x03,
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WMI_DISCONNECT_STA_CMDID = 0x04,
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WMI_START_SCHED_SCAN_CMDID = 0x05,
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WMI_STOP_SCHED_SCAN_CMDID = 0x06,
|
||||
WMI_START_SCAN_CMDID = 0x07,
|
||||
WMI_SET_BSS_FILTER_CMDID = 0x09,
|
||||
WMI_SET_PROBED_SSID_CMDID = 0x0A,
|
||||
|
|
@ -385,6 +388,38 @@ struct wmi_start_scan_cmd {
|
|||
} channel_list[0];
|
||||
} __packed;
|
||||
|
||||
#define WMI_MAX_PNO_SSID_NUM (16)
|
||||
#define WMI_MAX_CHANNEL_NUM (6)
|
||||
#define WMI_MAX_PLANS_NUM (2)
|
||||
|
||||
/* WMI_START_SCHED_SCAN_CMDID */
|
||||
struct wmi_sched_scan_ssid_match {
|
||||
u8 ssid_len;
|
||||
u8 ssid[WMI_MAX_SSID_LEN];
|
||||
s8 rssi_threshold;
|
||||
/* boolean */
|
||||
u8 add_ssid_to_probe;
|
||||
u8 reserved;
|
||||
} __packed;
|
||||
|
||||
/* WMI_START_SCHED_SCAN_CMDID */
|
||||
struct wmi_sched_scan_plan {
|
||||
__le16 interval_sec;
|
||||
__le16 num_of_iterations;
|
||||
} __packed;
|
||||
|
||||
/* WMI_START_SCHED_SCAN_CMDID */
|
||||
struct wmi_start_sched_scan_cmd {
|
||||
struct wmi_sched_scan_ssid_match ssid_for_match[WMI_MAX_PNO_SSID_NUM];
|
||||
u8 num_of_ssids;
|
||||
s8 min_rssi_threshold;
|
||||
u8 channel_list[WMI_MAX_CHANNEL_NUM];
|
||||
u8 num_of_channels;
|
||||
u8 reserved;
|
||||
__le16 initial_delay_sec;
|
||||
struct wmi_sched_scan_plan scan_plans[WMI_MAX_PLANS_NUM];
|
||||
} __packed;
|
||||
|
||||
/* WMI_SET_PROBED_SSID_CMDID */
|
||||
#define MAX_PROBED_SSID_INDEX (3)
|
||||
|
||||
|
|
@ -1238,6 +1273,9 @@ enum wmi_event_id {
|
|||
WMI_READY_EVENTID = 0x1001,
|
||||
WMI_CONNECT_EVENTID = 0x1002,
|
||||
WMI_DISCONNECT_EVENTID = 0x1003,
|
||||
WMI_START_SCHED_SCAN_EVENTID = 0x1005,
|
||||
WMI_STOP_SCHED_SCAN_EVENTID = 0x1006,
|
||||
WMI_SCHED_SCAN_RESULT_EVENTID = 0x1007,
|
||||
WMI_SCAN_COMPLETE_EVENTID = 0x100A,
|
||||
WMI_REPORT_STATISTICS_EVENTID = 0x100B,
|
||||
WMI_RD_MEM_RSP_EVENTID = 0x1800,
|
||||
|
|
@ -1600,6 +1638,49 @@ struct wmi_scan_complete_event {
|
|||
__le32 status;
|
||||
} __packed;
|
||||
|
||||
/* wmi_rx_mgmt_info */
|
||||
struct wmi_rx_mgmt_info {
|
||||
u8 mcs;
|
||||
s8 rssi;
|
||||
u8 range;
|
||||
u8 sqi;
|
||||
__le16 stype;
|
||||
__le16 status;
|
||||
__le32 len;
|
||||
/* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */
|
||||
u8 qid;
|
||||
/* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */
|
||||
u8 mid;
|
||||
u8 cid;
|
||||
/* From Radio MNGR */
|
||||
u8 channel;
|
||||
} __packed;
|
||||
|
||||
/* WMI_START_SCHED_SCAN_EVENTID */
|
||||
enum wmi_pno_result {
|
||||
WMI_PNO_SUCCESS = 0x00,
|
||||
WMI_PNO_REJECT = 0x01,
|
||||
WMI_PNO_INVALID_PARAMETERS = 0x02,
|
||||
WMI_PNO_NOT_ENABLED = 0x03,
|
||||
};
|
||||
|
||||
struct wmi_start_sched_scan_event {
|
||||
/* pno_result */
|
||||
u8 result;
|
||||
u8 reserved[3];
|
||||
} __packed;
|
||||
|
||||
struct wmi_stop_sched_scan_event {
|
||||
/* pno_result */
|
||||
u8 result;
|
||||
u8 reserved[3];
|
||||
} __packed;
|
||||
|
||||
struct wmi_sched_scan_result_event {
|
||||
struct wmi_rx_mgmt_info info;
|
||||
u8 payload[0];
|
||||
} __packed;
|
||||
|
||||
/* WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT */
|
||||
enum wmi_acs_info_bitmask {
|
||||
WMI_ACS_INFO_BITMASK_BEACON_FOUND = 0x01,
|
||||
|
|
@ -1814,24 +1895,6 @@ struct wmi_get_ssid_event {
|
|||
u8 ssid[WMI_MAX_SSID_LEN];
|
||||
} __packed;
|
||||
|
||||
/* wmi_rx_mgmt_info */
|
||||
struct wmi_rx_mgmt_info {
|
||||
u8 mcs;
|
||||
s8 rssi;
|
||||
u8 range;
|
||||
u8 sqi;
|
||||
__le16 stype;
|
||||
__le16 status;
|
||||
__le32 len;
|
||||
/* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */
|
||||
u8 qid;
|
||||
/* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */
|
||||
u8 mid;
|
||||
u8 cid;
|
||||
/* From Radio MNGR */
|
||||
u8 channel;
|
||||
} __packed;
|
||||
|
||||
/* EVENT: WMI_RF_XPM_READ_RESULT_EVENTID */
|
||||
struct wmi_rf_xpm_read_result_event {
|
||||
/* enum wmi_fw_status_e - success=0 or fail=1 */
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue