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wifi: mac80211_hwsim: Support Tx of multicast data on NAN

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Add support for transmitting multicast data frames. These
frames can be transmitted when all the peer NDI stations
on the interface are available at the current slot.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260506064301.0af7e24f0df3.I3c2de3e456ae092c939e6bfd3d30960fbf2fbeaa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2026-05-06 06:44:33 +03:00 committed by Johannes Berg
parent 34cbd0a27d
commit 55eaca33b4
1 changed files with 53 additions and 3 deletions
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56
drivers/net/wireless/virtual/mac80211_hwsim_nan.c
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@ -41,6 +41,13 @@ struct hwsim_nan_sta_iter_ctx {
bool can_tx;
};
struct hwsim_nan_mcast_data_iter_ctx {
struct ieee80211_hw *hw;
struct ieee80211_vif *vif;
size_t n_vif_sta;
size_t n_sta_can_tx;
};
static void mac80211_hwsim_nan_resume_txqs(struct mac80211_hwsim_data *data);
static u64 hwsim_nan_get_timer_tsf(struct mac80211_hwsim_data *data)
@ -1103,6 +1110,42 @@ mac80211_hwsim_nan_resume_txqs_timer(struct hrtimer *timer)
return HRTIMER_NORESTART;
}
static void
hwsim_nan_can_mcast_sta_transmit(void *_ctx, struct ieee80211_sta *sta)
{
struct hwsim_nan_mcast_data_iter_ctx *ctx = _ctx;
struct ieee80211_txq *txq = sta->txq[0];
if (!txq || txq->vif != ctx->vif)
return;
ctx->n_vif_sta++;
if (mac80211_hwsim_nan_txq_transmitting(ctx->hw, txq))
ctx->n_sta_can_tx++;
}
static bool
mac80211_hwsim_nan_mcast_data_transmitting(struct ieee80211_hw *hw,
struct ieee80211_txq *txq)
{
struct mac80211_hwsim_data *data = hw->priv;
struct hwsim_nan_mcast_data_iter_ctx ctx = {
.hw = hw,
.vif = txq->vif,
.n_sta_can_tx = 0,
.n_vif_sta = 0,
};
/* Check if all the stations associated with the current
* interface are available.
*/
ieee80211_iterate_stations_atomic(data->hw,
hwsim_nan_can_mcast_sta_transmit,
&ctx);
return ctx.n_vif_sta && ctx.n_sta_can_tx == ctx.n_vif_sta;
}
bool mac80211_hwsim_nan_txq_transmitting(struct ieee80211_hw *hw,
struct ieee80211_txq *txq)
{
@ -1125,9 +1168,16 @@ bool mac80211_hwsim_nan_txq_transmitting(struct ieee80211_hw *hw,
is_dw_slot = mac80211_hwsim_nan_is_dw_slot(data, slot);
/* Non-STA TXQ: allow management frames during DW */
if (!txq->sta)
return is_dw_slot;
if (!txq->sta) {
/* Non-STA TXQ: allow management frames during DW */
if (txq->vif->type == NL80211_IFTYPE_NAN)
return is_dw_slot;
/* Allow multicast data when all the peers are available
* on this slot
*/
return mac80211_hwsim_nan_mcast_data_transmitting(hw, txq);
}
/* STA TXQ: need peer schedule for availability check */
nmi_sta = rcu_dereference(txq->sta->nmi) ?: txq->sta;