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wifi: mt76: add chanctx functions for multi-channel phy support

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This adds an implementation for the chanctx functions, which can be used
by multi-channel capable drivers. Preparation for adding MLO support.

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2024-10-22 10:18:59 +02:00
parent d388deab9e
commit d026be405c
5 changed files with 314 additions and 15 deletions
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mt76.h
+56 -8
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@@ -55,6 +55,8 @@ struct mt76_dev;
struct mt76_phy;
struct mt76_wcid;
struct mt76s_intr;
struct mt76_chanctx;
struct mt76_vif_link;
struct mt76_reg_pair {
u32 reg;
@@ -502,6 +504,8 @@ struct mt76_driver_ops {
u16 token_size;
u8 mcs_rates;
unsigned int link_data_size;
void (*update_survey)(struct mt76_phy *phy);
int (*set_channel)(struct mt76_phy *phy);
@@ -533,6 +537,15 @@ struct mt76_driver_ops {
void (*sta_remove)(struct mt76_dev *dev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
int (*vif_link_add)(struct mt76_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
struct mt76_vif_link *mlink);
void (*vif_link_remove)(struct mt76_phy *phy,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
struct mt76_vif_link *mlink);
};
struct mt76_channel_state {
@@ -798,6 +811,9 @@ struct mt76_phy {
struct cfg80211_chan_def chandef;
struct cfg80211_chan_def main_chandef;
bool offchannel;
bool radar_enabled;
struct mt76_chanctx *chanctx;
struct mt76_channel_state *chan_state;
enum mt76_dfs_state dfs_state;
@@ -842,6 +858,7 @@ struct mt76_phy {
struct mt76_dev {
struct mt76_phy phy; /* must be first */
struct mt76_phy *phys[__MT_MAX_BAND];
struct mt76_phy *band_phys[NUM_NL80211_BANDS];
struct ieee80211_hw *hw;
@@ -1062,6 +1079,10 @@ struct mt76_ethtool_worker_info {
int sta_count;
};
struct mt76_chanctx {
struct mt76_phy *phy;
};
#define CCK_RATE(_idx, _rate) { \
.bitrate = _rate, \
.flags = IEEE80211_RATE_SHORT_PREAMBLE, \
@@ -1485,6 +1506,25 @@ void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
void mt76_sw_scan_complete(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
enum mt76_dfs_state mt76_phy_dfs_state(struct mt76_phy *phy);
int mt76_add_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *conf);
void mt76_remove_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *conf);
void mt76_change_chanctx(struct ieee80211_hw *hw,
struct ieee80211_chanctx_conf *conf,
u32 changed);
int mt76_assign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
struct ieee80211_chanctx_conf *conf);
void mt76_unassign_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
struct ieee80211_chanctx_conf *conf);
int mt76_switch_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif_chanctx_switch *vifs,
int n_vifs,
enum ieee80211_chanctx_switch_mode mode);
int mt76_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
void *data, int len);
int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
@@ -1531,6 +1571,8 @@ void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
void mt76_testmode_tx_pending(struct mt76_phy *phy);
void mt76_queue_tx_complete(struct mt76_dev *dev, struct mt76_queue *q,
struct mt76_queue_entry *e);
int __mt76_set_channel(struct mt76_phy *phy, struct cfg80211_chan_def *chandef,
bool offchannel);
int mt76_set_channel(struct mt76_phy *phy, struct cfg80211_chan_def *chandef,
bool offchannel);
void mt76_scan_work(struct work_struct *work);
@@ -1782,14 +1824,7 @@ mt76_vif_init(struct ieee80211_vif *vif, struct mt76_vif_data *mvif)
rcu_assign_pointer(mvif->link[0], mlink);
}
static inline void
mt76_vif_cleanup(struct mt76_dev *dev, struct ieee80211_vif *vif)
{
struct mt76_vif_link *mlink = (struct mt76_vif_link *)vif->drv_priv;
struct mt76_vif_data *mvif = mlink->mvif;
rcu_assign_pointer(mvif->link[0], NULL);
}
void mt76_vif_cleanup(struct mt76_dev *dev, struct ieee80211_vif *vif);
static inline struct mt76_vif_link *
mt76_vif_link(struct mt76_dev *dev, struct ieee80211_vif *vif, int link_id)
@@ -1813,4 +1848,17 @@ mt76_vif_conf_link(struct mt76_dev *dev, struct ieee80211_vif *vif,
return mt76_dereference(mvif->link[link_conf->link_id], dev);
}
static inline struct mt76_phy *
mt76_vif_link_phy(struct mt76_vif_link *mlink)
{
struct mt76_chanctx *ctx;
if (!mlink->ctx)
return NULL;
ctx = (struct mt76_chanctx *)mlink->ctx->drv_priv;
return ctx->phy;
}
#endif