Baochen Qiang <quic_bqiang@xxxxxxxxxxx> writes: > On 11/6/2024 10:26 PM, Kalle Valo wrote: >> From: Sriram R <quic_srirrama@xxxxxxxxxxx> >> >> Add ath12k_mac_op_change_sta_links() for adding and removing >> link station. >> >> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 >> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 >> >> Signed-off-by: Sriram R <quic_srirrama@xxxxxxxxxxx> >> Signed-off-by: Harshitha Prem <quic_hprem@xxxxxxxxxxx> >> Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> >> --- >> drivers/net/wireless/ath/ath12k/mac.c | 97 ++++++++++++++++++++++++++- >> 1 file changed, 96 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c >> index 0ff886e4b3ed..c0cc4e51a4d1 100644 >> --- a/drivers/net/wireless/ath/ath12k/mac.c >> +++ b/drivers/net/wireless/ath/ath12k/mac.c >> @@ -5572,6 +5572,101 @@ static void ath12k_mac_op_sta_rc_update(struct ieee80211_hw *hw, >> rcu_read_unlock(); >> } >> >> +static struct ath12k_link_sta * >> +ath12k_mac_alloc_assign_link_sta(struct ath12k_hw *ah, >> + struct ath12k_sta *ahsta, >> + struct ath12k_vif *ahvif, u8 link_id) >> +{ >> + struct ath12k_link_sta *arsta; >> + int ret; >> + >> + lockdep_assert_wiphy(ah->hw->wiphy); >> + >> + if (link_id >= IEEE80211_MLD_MAX_NUM_LINKS) >> + return NULL; >> + >> + arsta = wiphy_dereference(ah->hw->wiphy, ahsta->link[link_id]); >> + if (arsta) >> + return NULL; >> + >> + arsta = kzalloc(sizeof(*arsta), GFP_KERNEL); > > kmalloc() is preferred as ath12k_mac_assign_link_sta() will do 'zero'? That's true. Jeff, are you able to change this in the pending branch? -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches