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@gmail.com>
This commit is contained in:
Weijie Gao 2024-02-29 23:56:40 +08:00 committed by Robert Marko
parent 7fcbcea751
commit a325c5fa01
4 changed files with 229 additions and 1 deletions

View File

@ -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

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@ -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];

View File

@ -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,

View File

@ -28,11 +28,15 @@ Signed-off-by: Johannes Berg <johannes.berg@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);