[openwrt/openwrt] mac80211: fix build with linux kernel 6.6

LEDE Commits lede-commits at lists.infradead.org
Mon Mar 11 12:18:07 PDT 2024


robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/a325c5fa014c534a3daf69f3cec99f0fc7b9b7e9

commit a325c5fa014c534a3daf69f3cec99f0fc7b9b7e9
Author: Weijie Gao <hackpascal at gmail.com>
AuthorDate: Thu Feb 29 23:56:40 2024 +0800

    mac80211: fix build with linux kernel 6.6
    
    Fix build failure with linux kernel 6.6
    
    Related kernel commits:
    
    20b0b53aca43 (genetlink: introduce split op representation)
    
    bffcc6882a1b (genetlink: remove userhdr from struct genl_info)
    
    e9a688bcb193 (random: use rejection sampling for uniform bounded
    random integers)
    
    3c202d14a9d7 (prandom: remove prandom_u32_max())
    
    3d2f20ad46f8 (wifi: iwlwifi: Use generic thermal_zone_get_trip()
    function)
    
    Signed-off-by: Weijie Gao <hackpascal at gmail.com>
---
 .../build/230-backport_genl_info_userhdr.patch     |  32 +++++
 .../build/240-backport_genl_split_ops.patch        |  32 +++++
 .../build/250-backport_iwlwifi_thermal.patch       | 160 +++++++++++++++++++++
 ...a-randomize-BA-session-dialog-token-alloc.patch |   6 +-
 4 files changed, 229 insertions(+), 1 deletion(-)

diff --git a/package/kernel/mac80211/patches/build/230-backport_genl_info_userhdr.patch b/package/kernel/mac80211/patches/build/230-backport_genl_info_userhdr.patch
new file mode 100644
index 0000000000..38f86dc37a
--- /dev/null
+++ b/package/kernel/mac80211/patches/build/230-backport_genl_info_userhdr.patch
@@ -0,0 +1,32 @@
+--- a/backport-include/net/genetlink.h
++++ b/backport-include/net/genetlink.h
+@@ -3,6 +3,7 @@
+ #include_next <net/genetlink.h>
+ #include <linux/version.h>
+ 
++#if LINUX_VERSION_IS_LESS(4,12,0)
+ static inline void __bp_genl_info_userhdr_set(struct genl_info *info,
+ 					      void *userhdr)
+ {
+@@ -14,7 +15,6 @@ static inline void *__bp_genl_info_userh
+ 	return info->userhdr;
+ }
+ 
+-#if LINUX_VERSION_IS_LESS(4,12,0)
+ #define GENL_SET_ERR_MSG(info, msg) NL_SET_ERR_MSG(genl_info_extack(info), msg)
+ 
+ static inline int genl_err_attr(struct genl_info *info, int err,
+@@ -44,11 +44,13 @@ static inline struct netlink_ext_ack *ge
+ #endif
+ }
+ 
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ /* this gets put in place of info->userhdr, since we use that above */
+ static inline void *genl_info_userhdr(struct genl_info *info)
+ {
+ 	return (u8 *)info->genlhdr + GENL_HDRLEN;
+ }
++#endif
+ 
+ #if LINUX_VERSION_IS_LESS(4,10,0)
+ #define __genl_ro_after_init
diff --git a/package/kernel/mac80211/patches/build/240-backport_genl_split_ops.patch b/package/kernel/mac80211/patches/build/240-backport_genl_split_ops.patch
new file mode 100644
index 0000000000..b22804cf92
--- /dev/null
+++ b/package/kernel/mac80211/patches/build/240-backport_genl_split_ops.patch
@@ -0,0 +1,32 @@
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -16442,8 +16442,14 @@ static u32 nl80211_internal_flags[] = {
+ #undef SELECTOR
+ };
+ 
++#if LINUX_VERSION_IS_LESS(6,2,0)
+ static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
+ 			    struct genl_info *info)
++#else
++static int nl80211_pre_doit(const struct genl_split_ops *ops,
++			    struct sk_buff *skb,
++			    struct genl_info *info)
++#endif
+ {
+ 	struct cfg80211_registered_device *rdev = NULL;
+ 	struct wireless_dev *wdev = NULL;
+@@ -16543,8 +16549,14 @@ out_unlock:
+ 	return err;
+ }
+ 
++#if LINUX_VERSION_IS_LESS(6,2,0)
+ static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
+ 			      struct genl_info *info)
++#else
++static void nl80211_post_doit(const struct genl_split_ops *ops,
++			      struct sk_buff *skb,
++			      struct genl_info *info)
++#endif
+ {
+ 	u32 internal_flags = nl80211_internal_flags[ops->internal_flags];
+ 
diff --git a/package/kernel/mac80211/patches/build/250-backport_iwlwifi_thermal.patch b/package/kernel/mac80211/patches/build/250-backport_iwlwifi_thermal.patch
new file mode 100644
index 0000000000..631fdd710d
--- /dev/null
+++ b/package/kernel/mac80211/patches/build/250-backport_iwlwifi_thermal.patch
@@ -0,0 +1,160 @@
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+@@ -531,7 +531,11 @@ struct iwl_mvm_tt_mgmt {
+  * @tzone: thermal zone device data
+ */
+ struct iwl_mvm_thermal_device {
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	s16 temp_trips[IWL_MAX_DTS_TRIPS];
++#else
++	struct thermal_trip trips[IWL_MAX_DTS_TRIPS];
++#endif
+ 	u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
+ 	struct thermal_zone_device *tzone;
+ };
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
+@@ -573,6 +573,7 @@ int iwl_mvm_send_temp_report_ths_cmd(str
+ 	 * and uncompressed, the FW should get it compressed and sorted
+ 	 */
+ 
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	/* compress temp_trips to cmd array, remove uninitialized values*/
+ 	for (i = 0; i < IWL_MAX_DTS_TRIPS; i++) {
+ 		if (mvm->tz_device.temp_trips[i] != S16_MIN) {
+@@ -580,6 +581,15 @@ int iwl_mvm_send_temp_report_ths_cmd(str
+ 				cpu_to_le16(mvm->tz_device.temp_trips[i]);
+ 		}
+ 	}
++#else
++	/* compress trips to cmd array, remove uninitialized values*/
++	for (i = 0; i < IWL_MAX_DTS_TRIPS; i++) {
++		if (mvm->tz_device.trips[i].temperature != INT_MIN) {
++			cmd.thresholds[idx++] =
++				cpu_to_le16((s16)(mvm->tz_device.trips[i].temperature / 1000));
++		}
++	}
++#endif
+ 	cmd.num_temps = cpu_to_le32(idx);
+ 
+ 	if (!idx)
+@@ -593,8 +603,13 @@ int iwl_mvm_send_temp_report_ths_cmd(str
+ 	 */
+ 	for (i = 0; i < idx; i++) {
+ 		for (j = 0; j < IWL_MAX_DTS_TRIPS; j++) {
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 			if (le16_to_cpu(cmd.thresholds[i]) ==
+ 				mvm->tz_device.temp_trips[j])
++#else
++			if ((int)(le16_to_cpu(cmd.thresholds[i]) * 1000) ==
++				mvm->tz_device.trips[j].temperature)
++#endif
+ 				mvm->tz_device.fw_trips_index[i] = j;
+ 		}
+ 	}
+@@ -638,6 +653,7 @@ out:
+ 	return ret;
+ }
+ 
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ static int iwl_mvm_tzone_get_trip_temp(struct thermal_zone_device *device,
+ 				       int trip, int *temp)
+ {
+@@ -661,14 +677,19 @@ static int iwl_mvm_tzone_get_trip_type(s
+ 
+ 	return 0;
+ }
++#endif
+ 
+ static int iwl_mvm_tzone_set_trip_temp(struct thermal_zone_device *device,
+ 				       int trip, int temp)
+ {
+ 	struct iwl_mvm *mvm = thermal_zone_device_priv(device);
+ 	struct iwl_mvm_thermal_device *tzone;
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	int i, ret;
+ 	s16 temperature;
++#else
++	int ret;
++#endif
+ 
+ 	mutex_lock(&mvm->mutex);
+ 
+@@ -678,17 +699,21 @@ static int iwl_mvm_tzone_set_trip_temp(s
+ 		goto out;
+ 	}
+ 
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	if (trip < 0 || trip >= IWL_MAX_DTS_TRIPS) {
+ 		ret = -EINVAL;
+ 		goto out;
+ 	}
++#endif
+ 
+ 	if ((temp / 1000) > S16_MAX) {
+ 		ret = -EINVAL;
+ 		goto out;
+ 	}
+ 
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	temperature = (s16)(temp / 1000);
++#endif
+ 	tzone = &mvm->tz_device;
+ 
+ 	if (!tzone) {
+@@ -696,6 +721,7 @@ static int iwl_mvm_tzone_set_trip_temp(s
+ 		goto out;
+ 	}
+ 
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	/* no updates*/
+ 	if (tzone->temp_trips[trip] == temperature) {
+ 		ret = 0;
+@@ -711,6 +737,7 @@ static int iwl_mvm_tzone_set_trip_temp(s
+ 	}
+ 
+ 	tzone->temp_trips[trip] = temperature;
++#endif
+ 
+ 	ret = iwl_mvm_send_temp_report_ths_cmd(mvm);
+ out:
+@@ -720,8 +747,10 @@ out:
+ 
+ static  struct thermal_zone_device_ops tzone_ops = {
+ 	.get_temp = iwl_mvm_tzone_get_temp,
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	.get_trip_temp = iwl_mvm_tzone_get_trip_temp,
+ 	.get_trip_type = iwl_mvm_tzone_get_trip_type,
++#endif
+ 	.set_trip_temp = iwl_mvm_tzone_set_trip_temp,
+ };
+ 
+@@ -743,7 +772,12 @@ static void iwl_mvm_thermal_zone_registe
+ 	BUILD_BUG_ON(ARRAY_SIZE(name) >= THERMAL_NAME_LENGTH);
+ 
+ 	sprintf(name, "iwlwifi_%u", atomic_inc_return(&counter) & 0xFF);
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	mvm->tz_device.tzone = thermal_zone_device_register(name,
++#else
++	mvm->tz_device.tzone = thermal_zone_device_register_with_trips(name,
++							mvm->tz_device.trips,
++#endif
+ 							IWL_MAX_DTS_TRIPS,
+ 							IWL_WRITABLE_TRIPS_MSK,
+ 							mvm, &tzone_ops,
+@@ -766,8 +800,15 @@ static void iwl_mvm_thermal_zone_registe
+ 	/* 0 is a valid temperature,
+ 	 * so initialize the array with S16_MIN which invalid temperature
+ 	 */
++#if LINUX_VERSION_IS_LESS(6,6,0)
+ 	for (i = 0 ; i < IWL_MAX_DTS_TRIPS; i++)
+ 		mvm->tz_device.temp_trips[i] = S16_MIN;
++#else
++	for (i = 0 ; i < IWL_MAX_DTS_TRIPS; i++) {
++		mvm->tz_device.trips[i].temperature = INT_MIN;
++		mvm->tz_device.trips[i].type = THERMAL_TRIP_PASSIVE;
++	}
++#endif
+ }
+ 
+ static int iwl_mvm_tcool_get_max_state(struct thermal_cooling_device *cdev,
diff --git a/package/kernel/mac80211/patches/subsys/301-mac80211-sta-randomize-BA-session-dialog-token-alloc.patch b/package/kernel/mac80211/patches/subsys/301-mac80211-sta-randomize-BA-session-dialog-token-alloc.patch
index ec1e1d12eb..1034e2c928 100644
--- a/package/kernel/mac80211/patches/subsys/301-mac80211-sta-randomize-BA-session-dialog-token-alloc.patch
+++ b/package/kernel/mac80211/patches/subsys/301-mac80211-sta-randomize-BA-session-dialog-token-alloc.patch
@@ -28,11 +28,15 @@ Signed-off-by: Johannes Berg <johannes.berg at intel.com>
 
 --- a/net/mac80211/sta_info.c
 +++ b/net/mac80211/sta_info.c
-@@ -561,6 +561,7 @@ __sta_info_alloc(struct ieee80211_sub_if
+@@ -561,6 +561,11 @@ __sta_info_alloc(struct ieee80211_sub_if
  	INIT_WORK(&sta->drv_deliver_wk, sta_deliver_ps_frames);
  	INIT_WORK(&sta->ampdu_mlme.work, ieee80211_ba_session_work);
  	mutex_init(&sta->ampdu_mlme.mtx);
++#if LINUX_VERSION_IS_LESS(6,2,0)
 +	sta->ampdu_mlme.dialog_token_allocator = prandom_u32_max(U8_MAX);
++#else
++	sta->ampdu_mlme.dialog_token_allocator = get_random_u32_below(U8_MAX);
++#endif
  #ifdef CPTCFG_MAC80211_MESH
  	if (ieee80211_vif_is_mesh(&sdata->vif)) {
  		sta->mesh = kzalloc(sizeof(*sta->mesh), gfp);




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