[][MAC80211][rebase patches][Filogic 880 alpha release preparation update]
[Description]
Add default CONFIG_MEDIATEK_GE_PHY_SOC in kernel config to avoid human intervention during build time.
[Release-log]
N/A
Change-Id: I971ef508fb340ac6a97064fec64cdbbc7431f41f
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7318411
diff --git a/autobuild_mac80211_release/package/kernel/mac80211_dev/patches/subsys/mtk-0008-cfg80211-mtk-implement-DFS-status-show-cac-and-nop-s.patch b/autobuild_mac80211_release/package/kernel/mac80211_dev/patches/subsys/mtk-0008-cfg80211-mtk-implement-DFS-status-show-cac-and-nop-s.patch
new file mode 100644
index 0000000..a19f0de
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mac80211_dev/patches/subsys/mtk-0008-cfg80211-mtk-implement-DFS-status-show-cac-and-nop-s.patch
@@ -0,0 +1,460 @@
+From 737f4b1dfcf9e7ae3b7fda89a24eb89aec41e2e6 Mon Sep 17 00:00:00 2001
+From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
+Date: Thu, 22 Sep 2022 14:27:41 +0800
+Subject: [PATCH 08/15] cfg80211: mtk: implement DFS status show, cac and nop
+ skip command via debugfs
+
+Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
+---
+ include/net/cfg80211.h | 1 +
+ net/mac80211/cfg.c | 20 +++
+ net/wireless/core.h | 3 +
+ net/wireless/debugfs.c | 271 ++++++++++++++++++++++++++++++++++++++--
+ net/wireless/mlme.c | 6 +
+ net/wireless/rdev-ops.h | 14 +++
+ net/wireless/trace.h | 12 ++
+ 7 files changed, 320 insertions(+), 7 deletions(-)
+
+diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
+index d99b59f..bbd3de4 100644
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -4641,6 +4641,7 @@ struct cfg80211_ops {
+ struct link_station_parameters *params);
+ int (*del_link_station)(struct wiphy *wiphy, struct net_device *dev,
+ struct link_station_del_parameters *params);
++ void (*skip_cac)(struct wireless_dev *wdev);
+ };
+
+ /*
+diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
+index 27f7616..3e35433 100644
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -4900,6 +4900,25 @@ ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
+ return ret;
+ }
+
++static void
++ieee80211_skip_cac(struct wireless_dev *wdev)
++{
++ struct net_device *dev = wdev->netdev;
++ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
++ struct cfg80211_chan_def chandef = sdata->deflink.conf->chandef;
++ unsigned int cac_time_ms;
++
++ cancel_delayed_work(&sdata->deflink.dfs_cac_timer_work);
++ if (wdev->cac_started) {
++ ieee80211_link_release_channel(&sdata->deflink);
++ cac_time_ms = wdev->cac_time_ms;
++ wdev->cac_start_time = jiffies -
++ msecs_to_jiffies(cac_time_ms + 1);
++ cfg80211_cac_event(wdev->netdev, &chandef,
++ NL80211_RADAR_CAC_FINISHED, GFP_KERNEL);
++ }
++}
++
+ const struct cfg80211_ops mac80211_config_ops = {
+ .add_virtual_intf = ieee80211_add_iface,
+ .del_virtual_intf = ieee80211_del_iface,
+@@ -5011,4 +5030,5 @@ const struct cfg80211_ops mac80211_config_ops = {
+ .add_link_station = ieee80211_add_link_station,
+ .mod_link_station = ieee80211_mod_link_station,
+ .del_link_station = ieee80211_del_link_station,
++ .skip_cac = ieee80211_skip_cac,
+ };
+diff --git a/net/wireless/core.h b/net/wireless/core.h
+index f4d3b83..b1bc314 100644
+--- a/net/wireless/core.h
++++ b/net/wireless/core.h
+@@ -86,6 +86,9 @@ struct cfg80211_registered_device {
+
+ struct wireless_dev *background_radar_wdev;
+ struct cfg80211_chan_def background_radar_chandef;
++ bool background_cac_started;
++ unsigned long background_cac_start_time;
++ unsigned int background_cac_time_ms;
+ struct delayed_work background_cac_done_wk;
+ struct work_struct background_cac_abort_wk;
+
+diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
+index 0878b16..f5f23d0 100644
+--- a/net/wireless/debugfs.c
++++ b/net/wireless/debugfs.c
+@@ -9,6 +9,7 @@
+ #include <linux/slab.h>
+ #include "core.h"
+ #include "debugfs.h"
++#include "rdev-ops.h"
+
+ #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
+ static ssize_t name## _read(struct file *file, char __user *userbuf, \
+@@ -96,16 +97,272 @@ static const struct file_operations ht40allow_map_ops = {
+ .llseek = default_llseek,
+ };
+
+-#define DEBUGFS_ADD(name) \
+- debugfs_create_file(#name, 0444, phyd, &rdev->wiphy, &name## _ops)
++static int dfs_print_chan(struct ieee80211_channel *chan, int remain_time, int wait_time,
++ char *buf, int buf_size, int offset, bool is_background)
++{
++ if (WARN_ON(offset > buf_size))
++ return 0;
++
++ if (chan->dfs_state == NL80211_DFS_UNAVAILABLE) {
++ offset += scnprintf(buf + offset, buf_size - offset,
++ " Channel = %d, DFS_state = Unavailable",
++ chan->hw_value);
++ if (remain_time > 0)
++ offset += scnprintf(buf + offset, buf_size - offset,
++ ", Non-occupancy Remain Time = %d / %d [sec]",
++ remain_time, wait_time);
++ else
++ offset += scnprintf(buf + offset, buf_size - offset,
++ ", Changing state...");
++ } else if (chan->dfs_state == NL80211_DFS_USABLE) {
++ offset += scnprintf(buf + offset, buf_size - offset,
++ " Channel = %d, DFS_state = Usable",
++ chan->hw_value);
++ if (remain_time > 0)
++ offset += scnprintf(buf + offset, buf_size - offset,
++ ", CAC Remain Time = %d / %d [sec]",
++ remain_time, wait_time);
++ } else if (chan->dfs_state == NL80211_DFS_AVAILABLE) {
++ offset += scnprintf(buf + offset, buf_size - offset,
++ " Channel = %d, DFS_state = Available",
++ chan->hw_value);
++ } else {
++ offset += scnprintf(buf + offset, buf_size - offset,
++ " Channel = %d, DFS_state = Unknown",
++ chan->hw_value);
++ }
++
++ if (is_background)
++ offset += scnprintf(buf + offset, buf_size - offset,
++ " (background chain)");
++ offset += scnprintf(buf + offset, buf_size - offset, "\n");
++
++ return offset;
++}
++
++static int dfs_status_read_wdev(struct wiphy *wiphy, struct wireless_dev *wdev, char *buf,
++ unsigned int buf_size, unsigned int offset)
++{
++ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
++ struct cfg80211_chan_def *chandef = &wdev->links[0].ap.chandef;
++ struct cfg80211_chan_def *background_chandef = &rdev->background_radar_chandef;
++ enum nl80211_band band;
++ struct ieee80211_supported_band *sband;
++ struct ieee80211_channel *chan;
++ unsigned long jiffies_passed;
++ int i, remain_time = 0, wait_time_ms = 0;
++ bool is_background;
++
++ offset += scnprintf(buf + offset, buf_size - offset, "DFS Channel:\n");
++
++ for (band = 0; band < NUM_NL80211_BANDS; band++) {
++ sband = wiphy->bands[band];
++ if (!sband)
++ continue;
++ for (i = 0; i < sband->n_channels; i++) {
++ is_background = false;
++ chan = &sband->channels[i];
++
++ if (!(chan->flags & IEEE80211_CHAN_RADAR))
++ continue;
++
++ if (chan->dfs_state == NL80211_DFS_UNAVAILABLE) {
++ jiffies_passed = jiffies - chan->dfs_state_entered;
++ wait_time_ms = IEEE80211_DFS_MIN_NOP_TIME_MS;
++ remain_time = (wait_time_ms - jiffies_to_msecs(jiffies_passed));
++ if (remain_time > wait_time_ms)
++ remain_time = 0;
++ } else if (chan->dfs_state == NL80211_DFS_USABLE) {
++ if (wdev->cac_started &&
++ cfg80211_is_sub_chan(chandef, chan, false)) {
++ jiffies_passed = jiffies - wdev->cac_start_time;
++ wait_time_ms = wdev->cac_time_ms;
++ remain_time = (wait_time_ms -
++ jiffies_to_msecs(jiffies_passed));
++ }
++
++ if (rdev->background_radar_wdev == wdev &&
++ rdev->background_cac_started &&
++ cfg80211_is_sub_chan(background_chandef, chan, false)) {
++ jiffies_passed = jiffies - rdev->background_cac_start_time;
++ wait_time_ms = rdev->background_cac_time_ms;
++ remain_time = (wait_time_ms -
++ jiffies_to_msecs(jiffies_passed));
++ is_background = true;
++ }
++
++ if (remain_time > wait_time_ms)
++ remain_time = 0;
++
++ } else {
++ if (rdev->background_radar_wdev == wdev &&
++ cfg80211_is_sub_chan(background_chandef, chan, false))
++ is_background = true;
++ }
++
++ offset = dfs_print_chan(chan, remain_time / 1000, wait_time_ms / 1000,
++ buf, buf_size, offset, is_background);
++ remain_time = 0;
++ }
++ }
++
++ return offset;
++}
++
++static ssize_t dfs_status_read(struct file *file, char __user *user_buf,
++ size_t count, loff_t *ppos)
++{
++ struct wiphy *wiphy = file->private_data;
++ struct wireless_dev *wdev;
++ char *buf;
++ unsigned int offset = 0, buf_size = PAGE_SIZE, r;
++ const char * const iftype_str[] = {
++ [NL80211_IFTYPE_UNSPECIFIED] = "unspecified",
++ [NL80211_IFTYPE_ADHOC] = "adhoc",
++ [NL80211_IFTYPE_STATION] = "station",
++ [NL80211_IFTYPE_AP] = "ap",
++ [NL80211_IFTYPE_AP_VLAN] = "ap vlan",
++ [NL80211_IFTYPE_WDS] = "wds",
++ [NL80211_IFTYPE_MONITOR] = "monitor",
++ [NL80211_IFTYPE_MESH_POINT] = "mesh point",
++ [NL80211_IFTYPE_P2P_CLIENT] = "p2p client",
++ [NL80211_IFTYPE_P2P_GO] = "p2p go",
++ [NL80211_IFTYPE_P2P_DEVICE] = "p2p device",
++ [NL80211_IFTYPE_OCB] = "ocb",
++ [NL80211_IFTYPE_NAN] = "nan",
++ };
++
++ buf = kzalloc(buf_size, GFP_KERNEL);
++ if (!buf)
++ return -ENOMEM;
++
++ list_for_each_entry(wdev, &wiphy->wdev_list, list) {
++ offset += scnprintf(buf + offset, buf_size - offset,
++ "wdev 0x%x\n"
++ "interface type %s\n",
++ wdev->identifier, iftype_str[wdev->iftype]);
++ offset = dfs_status_read_wdev(wiphy, wdev, buf, buf_size, offset);
++ }
++
++ r = simple_read_from_buffer(user_buf, count, ppos, buf, offset);
++
++ kfree(buf);
++
++ return r;
++}
++
++static const struct file_operations dfs_status_ops = {
++ .read = dfs_status_read,
++ .open = simple_open,
++ .llseek = default_llseek,
++};
++
++static int
++dfs_nop_skip(void *data, u64 val)
++{
++ struct wiphy *wiphy = data;
++ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
++ bool en = !!val;
++ enum nl80211_band band;
++ struct ieee80211_supported_band *sband;
++ struct ieee80211_channel *chan;
++ u32 nop_time = IEEE80211_DFS_MIN_NOP_TIME_MS;
++ int i;
++
++ if (!en)
++ return 0;
++
++ for (band = 0; band < NUM_NL80211_BANDS; band++) {
++ sband = wiphy->bands[band];
++ if (!sband)
++ continue;
++ for (i = 0; i < sband->n_channels; i++) {
++ chan = &sband->channels[i];
++
++ if (!(chan->flags & IEEE80211_CHAN_RADAR))
++ continue;
++
++ if (chan->dfs_state == NL80211_DFS_UNAVAILABLE) {
++ // Let current jiffies > dfs_state_entered_jiffies + NOP time
++ chan->dfs_state_entered = jiffies -
++ msecs_to_jiffies(nop_time + 1);
++ }
++ }
++ }
++
++ cfg80211_sched_dfs_chan_update(rdev);
++
++ return 0;
++}
++
++DEFINE_DEBUGFS_ATTRIBUTE(dfs_skip_nop_ops, NULL,
++ dfs_nop_skip, "0x%08llx\n");
++
++static int
++dfs_cac_skip(void *data, u64 val)
++{
++#define CAC_SKIP_MASK BIT(0)
++#define CAC_SKIP_BACKGROUND_MASK BIT(1)
++ struct wiphy *wiphy = data;
++ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
++ struct wireless_dev *wdev;
++ struct cfg80211_chan_def *chandef;
++ unsigned int skip_mode = val;
++ unsigned long cac_time;
++ struct ieee80211_channel *chan;
++
++ if (!skip_mode || skip_mode > (CAC_SKIP_MASK | CAC_SKIP_BACKGROUND_MASK))
++ return 0;
++
++ list_for_each_entry(wdev, &wiphy->wdev_list, list) {
++ if ((skip_mode & CAC_SKIP_MASK) && wdev->links[0].ap.chandef.chan) {
++ chandef = &wdev->links[0].ap.chandef;
++ chan = chandef->chan;
++
++ if ((cfg80211_chandef_dfs_required(wiphy, chandef, wdev->iftype) > 0) &&
++ cfg80211_chandef_dfs_usable(wiphy, chandef) && wdev->cac_started) {
++ rdev_skip_cac(rdev, wdev);
++ }
++ }
++
++ if ((skip_mode & CAC_SKIP_BACKGROUND_MASK) &&
++ rdev->background_radar_wdev == wdev &&
++ rdev->background_radar_chandef.chan) {
++ chandef = &rdev->background_radar_chandef;
++ chan = chandef->chan;
++
++ if ((cfg80211_chandef_dfs_required(wiphy, chandef, wdev->iftype) > 0) &&
++ cfg80211_chandef_dfs_usable(wiphy, chandef) &&
++ rdev->background_cac_started) {
++ // Let current jiffies > dfs_state_entered_jiffies + CAC time
++ cac_time = rdev->background_cac_time_ms;
++ rdev->background_cac_start_time = jiffies -
++ msecs_to_jiffies(cac_time + 1);
++ cancel_delayed_work(&rdev->background_cac_done_wk);
++ queue_delayed_work(cfg80211_wq, &rdev->background_cac_done_wk, 0);
++ }
++ }
++ }
++
++ return 0;
++}
++
++DEFINE_DEBUGFS_ATTRIBUTE(dfs_skip_cac_ops, NULL,
++ dfs_cac_skip, "0x%08llx\n");
++
++#define DEBUGFS_ADD(name, chmod) \
++ debugfs_create_file(#name, chmod, phyd, &rdev->wiphy, &name## _ops)
+
+ void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev)
+ {
+ struct dentry *phyd = rdev->wiphy.debugfsdir;
+
+- DEBUGFS_ADD(rts_threshold);
+- DEBUGFS_ADD(fragmentation_threshold);
+- DEBUGFS_ADD(short_retry_limit);
+- DEBUGFS_ADD(long_retry_limit);
+- DEBUGFS_ADD(ht40allow_map);
++ DEBUGFS_ADD(rts_threshold, 0444);
++ DEBUGFS_ADD(fragmentation_threshold, 0444);
++ DEBUGFS_ADD(short_retry_limit, 0444);
++ DEBUGFS_ADD(long_retry_limit, 0444);
++ DEBUGFS_ADD(ht40allow_map, 0444);
++ DEBUGFS_ADD(dfs_status, 0444);
++ DEBUGFS_ADD(dfs_skip_nop, 0600);
++ DEBUGFS_ADD(dfs_skip_cac, 0600);
+ }
+diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
+index 5a63dba..57b9bde 100644
+--- a/net/wireless/mlme.c
++++ b/net/wireless/mlme.c
+@@ -1030,13 +1030,16 @@ __cfg80211_background_cac_event(struct cfg80211_registered_device *rdev,
+ queue_work(cfg80211_wq, &rdev->propagate_cac_done_wk);
+ cfg80211_sched_dfs_chan_update(rdev);
+ wdev = rdev->background_radar_wdev;
++ rdev->background_cac_started = false;
+ break;
+ case NL80211_RADAR_CAC_ABORTED:
+ if (!cancel_delayed_work(&rdev->background_cac_done_wk))
+ return;
+ wdev = rdev->background_radar_wdev;
++ rdev->background_cac_started = false;
+ break;
+ case NL80211_RADAR_CAC_STARTED:
++ rdev->background_cac_started = true;
+ break;
+ default:
+ return;
+@@ -1056,6 +1059,7 @@ cfg80211_background_cac_event(struct cfg80211_registered_device *rdev,
+ chandef, event);
+ wiphy_unlock(&rdev->wiphy);
+ }
++EXPORT_SYMBOL(cfg80211_background_cac_event);
+
+ void cfg80211_background_cac_done_wk(struct work_struct *work)
+ {
+@@ -1117,8 +1121,10 @@ cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rde
+ if (!cac_time_ms)
+ cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+
++ rdev->background_cac_time_ms = cac_time_ms;
+ rdev->background_radar_chandef = *chandef;
+ rdev->background_radar_wdev = wdev; /* Get offchain ownership */
++ rdev->background_cac_start_time = jiffies;
+
+ __cfg80211_background_cac_event(rdev, wdev, chandef,
+ NL80211_RADAR_CAC_STARTED);
+diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
+index ca29892..ce83152 100644
+--- a/net/wireless/rdev-ops.h
++++ b/net/wireless/rdev-ops.h
+@@ -1494,4 +1494,18 @@ rdev_del_link_station(struct cfg80211_registered_device *rdev,
+ return ret;
+ }
+
++static inline int
++rdev_skip_cac(struct cfg80211_registered_device *rdev,
++ struct wireless_dev *wdev)
++{
++ if (!rdev->ops->skip_cac)
++ return -EOPNOTSUPP;
++
++ trace_rdev_skip_cac(wdev);
++ rdev->ops->skip_cac(wdev);
++ trace_rdev_return_void(&rdev->wiphy);
++
++ return 0;
++}
++
+ #endif /* __CFG80211_RDEV_OPS */
+diff --git a/net/wireless/trace.h b/net/wireless/trace.h
+index 8e7c00f..d3a98e8 100644
+--- a/net/wireless/trace.h
++++ b/net/wireless/trace.h
+@@ -3901,6 +3901,18 @@ TRACE_EVENT(rdev_del_link_station,
+ __entry->link_id)
+ );
+
++TRACE_EVENT(rdev_skip_cac,
++ TP_PROTO(struct wireless_dev *wdev),
++
++ TP_ARGS(wdev),
++
++ TP_STRUCT__entry(WDEV_ENTRY),
++
++ TP_fast_assign(WDEV_ASSIGN;),
++
++ TP_printk(WDEV_PR_FMT, WDEV_PR_ARG)
++);
++
+ #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
+
+ #undef TRACE_INCLUDE_PATH
+--
+2.18.0
+