Message ID | 20240112092824.7664-1-quic_kangyang@quicinc.com |
---|---|
Headers | show |
Series | wifi: ath12k: P2P support for WCN7850 | expand |
On 1/12/2024 1:28 AM, Kang Yang wrote: > The NoA(Notice of Absence) attribute is used by the P2P Group Owner to > signal its absence due to power save timing, concurrent operation, or > off-channel scanning. It is also used in the P2P Presence Request-Response > mechanism. > > The NoA attribute shall be present in the P2P IE in the beacon frames > transmitted by a P2P Group Owner when a NoA schedule is being advertised, > or when the CTWindow is non-zero. > > So add support to update P2P information after P2P GO is up through > event WMI_P2P_NOA_EVENTID, and always put it in probe resp. > > Create p2p.c and p2p.h for P2P related functions and definitions. > > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Kang Yang <quic_kangyang@quicinc.com> > --- > > v2: add Tested-on tag of QCN9274. > > --- > drivers/net/wireless/ath/ath12k/Makefile | 3 +- > drivers/net/wireless/ath/ath12k/mac.c | 25 +++- > drivers/net/wireless/ath/ath12k/p2p.c | 142 +++++++++++++++++++++++ > drivers/net/wireless/ath/ath12k/p2p.h | 23 ++++ > drivers/net/wireless/ath/ath12k/wmi.c | 51 +++++++- > drivers/net/wireless/ath/ath12k/wmi.h | 31 +++++ > 6 files changed, 272 insertions(+), 3 deletions(-) > create mode 100644 drivers/net/wireless/ath/ath12k/p2p.c > create mode 100644 drivers/net/wireless/ath/ath12k/p2p.h > ... > @@ -6667,6 +6672,47 @@ static void ath12k_probe_resp_tx_status_event(struct ath12k_base *ab, > kfree(tb); > } > > +static int ath12k_wmi_p2p_noa_event(struct ath12k_base *ab, > + struct sk_buff *skb) > +{ > + const void **tb; > + const struct wmi_p2p_noa_event *ev; > + const struct ath12k_wmi_p2p_noa_info *noa; > + struct ath12k *ar; > + int ret, vdev_id; > + > + tb = ath12k_wmi_tlv_parse_alloc(ab, skb, GFP_ATOMIC); > + if (IS_ERR(tb)) { > + ret = PTR_ERR(tb); > + ath12k_warn(ab, "failed to parse tlv: %d\n", ret); > + return ret; > + } > + > + ev = tb[WMI_TAG_P2P_NOA_EVENT]; > + noa = tb[WMI_TAG_P2P_NOA_INFO]; > + > + if (!ev || !noa) { > + kfree(tb); > + return -EPROTO; > + } > + > + vdev_id = __le32_to_cpu(ev->vdev_id); > + > + ath12k_dbg(ab, ATH12K_DBG_WMI, > + "wmi tlv p2p noa vdev_id %i descriptors %u\n", > + vdev_id, le32_get_bits(noa->noa_attr, WMI_P2P_NOA_INFO_DESC_NUM)); > + ar = ath12k_mac_get_ar_by_vdev_id(ab, vdev_id); > + if (!ar) { missing kfree(tb); > + ath12k_warn(ab, "invalid vdev id %d in P2P NoA event\n", > + vdev_id); > + return -EINVAL; > + } > + > + ath12k_p2p_noa_update_by_vdev_id(ar, vdev_id, noa); > + kfree(tb); > + return 0; > +} > + > static void ath12k_rfkill_state_change_event(struct ath12k_base *ab, > struct sk_buff *skb) > {
On 1/12/2024 1:28 AM, Kang Yang wrote: > Mac80211 needs more space for P2P scan ie in P2P mode, 256 is not > enough, resize it to 512. > > Also delete the duplicate macro definitions in wmi.h. > > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Kang Yang <quic_kangyang@quicinc.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
On 1/12/2024 1:28 AM, Kang Yang wrote: > Current structure wmi_vdev_create_cmd is not matched to the firmware > definition. So update it. > > And update vdev_stats_id_valid for vdev_stats_id. > > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Kang Yang <quic_kangyang@quicinc.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
On 1/12/2024 1:28 AM, Kang Yang wrote: > For P2P mode, the WLAN interface may be requested to remain on a > specific channel and then to send some management frames on that > channel. Now chananel frequency of wmi_mgmt_send_cmd is set as 0. As > a result, firmware may choose a default but wrong channel. > > Fix it by assigning chanfreq field with the ROC channel frequency. > > This change only applies to WCN7850, other chips are not affected. > > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Kang Yang <quic_kangyang@quicinc.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
On 1/12/2024 2:58 PM, Kang Yang wrote: > The NoA(Notice of Absence) attribute is used by the P2P Group Owner to > signal its absence due to power save timing, concurrent operation, or > off-channel scanning. It is also used in the P2P Presence Request-Response > mechanism. > > The NoA attribute shall be present in the P2P IE in the beacon frames > transmitted by a P2P Group Owner when a NoA schedule is being advertised, > or when the CTWindow is non-zero. > > So add support to update P2P information after P2P GO is up through > event WMI_P2P_NOA_EVENTID, and always put it in probe resp. > > Create p2p.c and p2p.h for P2P related functions and definitions. > > Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Kang Yang <quic_kangyang@quicinc.com> > --- > > v2: add Tested-on tag of QCN9274. > > --- > drivers/net/wireless/ath/ath12k/Makefile | 3 +- > drivers/net/wireless/ath/ath12k/mac.c | 25 +++- > drivers/net/wireless/ath/ath12k/p2p.c | 142 +++++++++++++++++++++++ > drivers/net/wireless/ath/ath12k/p2p.h | 23 ++++ > drivers/net/wireless/ath/ath12k/wmi.c | 51 +++++++- > drivers/net/wireless/ath/ath12k/wmi.h | 31 +++++ > 6 files changed, 272 insertions(+), 3 deletions(-) > create mode 100644 drivers/net/wireless/ath/ath12k/p2p.c > create mode 100644 drivers/net/wireless/ath/ath12k/p2p.h > > diff --git a/drivers/net/wireless/ath/ath12k/Makefile b/drivers/net/wireless/ath/ath12k/Makefile > index 62c52e733b5e..e296fe7f8d64 100644 > --- a/drivers/net/wireless/ath/ath12k/Makefile > +++ b/drivers/net/wireless/ath/ath12k/Makefile > @@ -19,7 +19,8 @@ ath12k-y += core.o \ > hw.o \ > mhi.o \ > pci.o \ > - dp_mon.o > + dp_mon.o \ > + p2p.o > > ath12k-$(CONFIG_ATH12K_TRACING) += trace.o > > diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c > index 70a54cc52e44..a4a00a6606b4 100644 > --- a/drivers/net/wireless/ath/ath12k/mac.c > +++ b/drivers/net/wireless/ath/ath12k/mac.c > @@ -5045,6 +5045,25 @@ static int ath12k_mac_mgmt_tx(struct ath12k *ar, struct sk_buff *skb, > return 0; > } > > +static void ath12k_mac_add_p2p_noa_ie(struct ath12k *ar, > + struct ieee80211_vif *vif, > + struct sk_buff *skb, > + bool is_prb_rsp) > +{ > + struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif); > + > + if (likely(!is_prb_rsp)) > + return; > + > + spin_lock_bh(&ar->data_lock); > + if (arvif->u.ap.noa_data) > + if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len, > + GFP_ATOMIC)) > + skb_put_data(skb, arvif->u.ap.noa_data, > + arvif->u.ap.noa_len); > + spin_unlock_bh(&ar->data_lock); > +} > + > static void ath12k_mac_op_tx(struct ieee80211_hw *hw, > struct ieee80211_tx_control *control, > struct sk_buff *skb) > @@ -5068,10 +5087,10 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, > skb_cb->flags |= ATH12K_SKB_CIPHER_SET; > } > > + is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control); > if (info_flags & IEEE80211_TX_CTL_HW_80211_ENCAP) { > skb_cb->flags |= ATH12K_SKB_HW_80211_ENCAP; > } else if (ieee80211_is_mgmt(hdr->frame_control)) { > - is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control); > ret = ath12k_mac_mgmt_tx(ar, skb, is_prb_rsp); > if (ret) { > ath12k_warn(ar->ab, "failed to queue management frame %d\n", > @@ -5081,6 +5100,10 @@ static void ath12k_mac_op_tx(struct ieee80211_hw *hw, > return; > } > > + /* This is case only for P2P_GO */ > + if (vif->type == NL80211_IFTYPE_AP && vif->p2p) > + ath12k_mac_add_p2p_noa_ie(ar, vif, skb, is_prb_rsp); > + > ret = ath12k_dp_tx(ar, arvif, skb); > if (ret) { > ath12k_warn(ar->ab, "failed to transmit frame %d\n", ret); > diff --git a/drivers/net/wireless/ath/ath12k/p2p.c b/drivers/net/wireless/ath/ath12k/p2p.c > new file mode 100644 > index 000000000000..9f067dbd54b0 > --- /dev/null > +++ b/drivers/net/wireless/ath/ath12k/p2p.c > @@ -0,0 +1,142 @@ > +// SPDX-License-Identifier: ISC > +/* > + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. > + */ > + > +#include <net/mac80211.h> > +#include "core.h" > +#include "mac.h" > +#include "p2p.h" > + > +static void ath12k_p2p_noa_ie_fill(u8 *data, size_t len, > + const struct ath12k_wmi_p2p_noa_info *noa) > +{ > + struct ieee80211_p2p_noa_attr *noa_attr; > + u8 ctwindow = le32_get_bits(noa->noa_attr, WMI_P2P_NOA_INFO_CTWIN_TU); > + bool oppps = le32_get_bits(noa->noa_attr, WMI_P2P_NOA_INFO_OPP_PS); > + __le16 *noa_attr_len; > + u16 attr_len; > + u8 noa_descriptors = le32_get_bits(noa->noa_attr, > + WMI_P2P_NOA_INFO_DESC_NUM); > + int i; > + > + /* P2P IE */ > + data[0] = WLAN_EID_VENDOR_SPECIFIC; > + data[1] = len - 2; > + data[2] = (WLAN_OUI_WFA >> 16) & 0xff; > + data[3] = (WLAN_OUI_WFA >> 8) & 0xff; > + data[4] = (WLAN_OUI_WFA >> 0) & 0xff; > + data[5] = WLAN_OUI_TYPE_WFA_P2P; > + > + /* NOA ATTR */ > + data[6] = IEEE80211_P2P_ATTR_ABSENCE_NOTICE; > + noa_attr_len = (__le16 *)&data[7]; /* 2 bytes */ > + noa_attr = (struct ieee80211_p2p_noa_attr *)&data[9]; > + > + noa_attr->index = le32_get_bits(noa->noa_attr, > + WMI_P2P_NOA_INFO_INDEX); > + noa_attr->oppps_ctwindow = ctwindow; > + if (oppps) > + noa_attr->oppps_ctwindow |= IEEE80211_P2P_OPPPS_ENABLE_BIT; > + > + for (i = 0; i < noa_descriptors; i++) { > + noa_attr->desc[i].count = > + __le32_to_cpu(noa->descriptors[i].type_count); > + noa_attr->desc[i].duration = noa->descriptors[i].duration; > + noa_attr->desc[i].interval = noa->descriptors[i].interval; > + noa_attr->desc[i].start_time = noa->descriptors[i].start_time; > + } > + > + attr_len = 2; /* index + oppps_ctwindow */ > + attr_len += noa_descriptors * sizeof(struct ieee80211_p2p_noa_desc); > + *noa_attr_len = __cpu_to_le16(attr_len); > +} > + > +static size_t ath12k_p2p_noa_ie_len_compute(const struct ath12k_wmi_p2p_noa_info *noa) > +{ > + size_t len = 0; > + > + if (!(le32_get_bits(noa->noa_attr, WMI_P2P_NOA_INFO_DESC_NUM)) && > + !(le32_get_bits(noa->noa_attr, WMI_P2P_NOA_INFO_OPP_PS))) > + return 0; > + > + len += 1 + 1 + 4; /* EID + len + OUI */ > + len += 1 + 2; /* noa attr + attr len */ > + len += 1 + 1; /* index + oppps_ctwindow */ > + len += le32_get_bits(noa->noa_attr, WMI_P2P_NOA_INFO_DESC_NUM) * > + sizeof(struct ieee80211_p2p_noa_desc); > + > + return len; > +} > + > +static void ath12k_p2p_noa_ie_assign(struct ath12k_vif *arvif, void *ie, > + size_t len) > +{ > + struct ath12k *ar = arvif->ar; > + > + lockdep_assert_held(&ar->data_lock); > + > + kfree(arvif->u.ap.noa_data); > + > + arvif->u.ap.noa_data = ie; > + arvif->u.ap.noa_len = len; > +} > + > +static void __ath12k_p2p_noa_update(struct ath12k_vif *arvif, > + const struct ath12k_wmi_p2p_noa_info *noa) > +{ > + struct ath12k *ar = arvif->ar; > + void *ie; > + size_t len; > + > + lockdep_assert_held(&ar->data_lock); > + > + ath12k_p2p_noa_ie_assign(arvif, NULL, 0); > + > + len = ath12k_p2p_noa_ie_len_compute(noa); > + if (!len) > + return; > + > + ie = kmalloc(len, GFP_ATOMIC); > + if (!ie) > + return; > + > + ath12k_p2p_noa_ie_fill(ie, len, noa); > + ath12k_p2p_noa_ie_assign(arvif, ie, len); > +} > + > +void ath12k_p2p_noa_update(struct ath12k_vif *arvif, > + const struct ath12k_wmi_p2p_noa_info *noa) > +{ > + struct ath12k *ar = arvif->ar; > + > + spin_lock_bh(&ar->data_lock); > + __ath12k_p2p_noa_update(arvif, noa); > + spin_unlock_bh(&ar->data_lock); > +} > + > +static void ath12k_p2p_noa_update_vdev_iter(void *data, u8 *mac, > + struct ieee80211_vif *vif) > +{ > + struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif); > + struct ath12k_p2p_noa_arg *arg = data; > + > + if (arvif->vdev_id != arg->vdev_id) > + return; > + > + ath12k_p2p_noa_update(arvif, arg->noa); > +} > + > +void ath12k_p2p_noa_update_by_vdev_id(struct ath12k *ar, u32 vdev_id, > + const struct ath12k_wmi_p2p_noa_info *noa) > +{ > + struct ath12k_p2p_noa_arg arg = { > + .vdev_id = vdev_id, > + .noa = noa, > + }; > + > + ieee80211_iterate_active_interfaces_atomic(ar->hw, > + IEEE80211_IFACE_ITER_NORMAL, > + ath12k_p2p_noa_update_vdev_iter, > + &arg); ath12k_ar_to_hw(ar) is introduced to avoid direct access of hw from radio (ie, ar->hw). This new helper function introduced by the patchset "[PATCH v2 1/2] wifi: ath12k: Refactor the mac80211 hw access from link/radio" @jeff Any comments ? > +} > diff --git a/drivers/net/wireless/ath/ath12k/p2p.h b/drivers/net/wireless/ath/ath12k/p2p.h > new file mode 100644 > index 000000000000..b6f177fe4ff4 > --- /dev/null > +++ b/drivers/net/wireless/ath/ath12k/p2p.h > @@ -0,0 +1,23 @@ > +/* SPDX-License-Identifier: ISC */ > +/* > + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.. > + */ > + > +#ifndef ATH12K_P2P_H > +#define ATH12K_P2P_H > + > +#include "wmi.h" > + > +struct ath12k_wmi_p2p_noa_info; > + > +struct ath12k_p2p_noa_arg { > + u32 vdev_id; > + const struct ath12k_wmi_p2p_noa_info *noa; > +}; > + > +void ath12k_p2p_noa_update(struct ath12k_vif *arvif, > + const struct ath12k_wmi_p2p_noa_info *noa); > +void ath12k_p2p_noa_update_by_vdev_id(struct ath12k *ar, u32 vdev_id, > + const struct ath12k_wmi_p2p_noa_info *noa); > + > +#endif > diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c > index 1618760f54af..861565eaab3d 100644 > --- a/drivers/net/wireless/ath/ath12k/wmi.c > +++ b/drivers/net/wireless/ath/ath12k/wmi.c > @@ -19,6 +19,7 @@ > #include "mac.h" > #include "hw.h" > #include "peer.h" > +#include "p2p.h" > > struct ath12k_wmi_svc_ready_parse { > bool wmi_svc_bitmap_done; > @@ -162,6 +163,10 @@ static const struct ath12k_wmi_tlv_policy ath12k_wmi_tlv_policies[] = { > .min_len = sizeof(struct wmi_probe_resp_tx_status_event) }, > [WMI_TAG_VDEV_DELETE_RESP_EVENT] = { > .min_len = sizeof(struct wmi_vdev_delete_resp_event) }, > + [WMI_TAG_P2P_NOA_INFO] = { > + .min_len = sizeof(struct ath12k_wmi_p2p_noa_info) }, > + [WMI_TAG_P2P_NOA_EVENT] = { > + .min_len = sizeof(struct wmi_p2p_noa_event) }, > }; > > static __le32 ath12k_wmi_tlv_hdr(u32 cmd, u32 len) > @@ -1051,7 +1056,7 @@ int ath12k_wmi_vdev_start(struct ath12k *ar, struct wmi_vdev_start_req_arg *arg, > tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_STRUCT, 0); > > /* Note: This is a nested TLV containing: > - * [wmi_tlv][wmi_p2p_noa_descriptor][wmi_tlv].. > + * [wmi_tlv][ath12k_wmi_p2p_noa_descriptor][wmi_tlv].. > */ > > ptr += sizeof(*tlv); > @@ -6667,6 +6672,47 @@ static void ath12k_probe_resp_tx_status_event(struct ath12k_base *ab, > kfree(tb); > } > > +static int ath12k_wmi_p2p_noa_event(struct ath12k_base *ab, > + struct sk_buff *skb) > +{ > + const void **tb; > + const struct wmi_p2p_noa_event *ev; > + const struct ath12k_wmi_p2p_noa_info *noa; > + struct ath12k *ar; > + int ret, vdev_id; > + > + tb = ath12k_wmi_tlv_parse_alloc(ab, skb, GFP_ATOMIC); > + if (IS_ERR(tb)) { > + ret = PTR_ERR(tb); > + ath12k_warn(ab, "failed to parse tlv: %d\n", ret); > + return ret; > + } > + > + ev = tb[WMI_TAG_P2P_NOA_EVENT]; > + noa = tb[WMI_TAG_P2P_NOA_INFO]; > + > + if (!ev || !noa) { > + kfree(tb); > + return -EPROTO; > + } > + > + vdev_id = __le32_to_cpu(ev->vdev_id); > + > + ath12k_dbg(ab, ATH12K_DBG_WMI, > + "wmi tlv p2p noa vdev_id %i descriptors %u\n", > + vdev_id, le32_get_bits(noa->noa_attr, WMI_P2P_NOA_INFO_DESC_NUM)); > + ar = ath12k_mac_get_ar_by_vdev_id(ab, vdev_id); > + if (!ar) { > + ath12k_warn(ab, "invalid vdev id %d in P2P NoA event\n", > + vdev_id); > + return -EINVAL; > + } > + > + ath12k_p2p_noa_update_by_vdev_id(ar, vdev_id, noa); > + kfree(tb); > + return 0; > +} > + > static void ath12k_rfkill_state_change_event(struct ath12k_base *ab, > struct sk_buff *skb) > { > @@ -6811,6 +6857,9 @@ static void ath12k_wmi_op_rx(struct ath12k_base *ab, struct sk_buff *skb) > case WMI_VDEV_DELETE_RESP_EVENTID: > ath12k_vdev_delete_resp_event(ab, skb); > break; > + case WMI_P2P_NOA_EVENTID: > + ath12k_wmi_p2p_noa_event(ab, skb); > + break; > /* TODO: Add remaining events */ > default: > ath12k_dbg(ab, ATH12K_DBG_WMI, "Unknown eventid: 0x%x\n", id); > diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h > index b92b37784f09..0b8203bb5381 100644 > --- a/drivers/net/wireless/ath/ath12k/wmi.h > +++ b/drivers/net/wireless/ath/ath12k/wmi.h > @@ -3489,6 +3489,37 @@ struct wmi_get_pdev_temperature_cmd { > __le32 pdev_id; > } __packed; > > +#define WMI_P2P_MAX_NOA_DESCRIPTORS 4 > + > +struct wmi_p2p_noa_event { > + __le32 vdev_id; > +} __packed; > + > +struct ath12k_wmi_p2p_noa_descriptor { > + __le32 type_count; /* 255: continuous schedule, 0: reserved */ > + __le32 duration; /* Absent period duration in micro seconds */ > + __le32 interval; /* Absent period interval in micro seconds */ > + __le32 start_time; /* 32 bit tsf time when in starts */ > +} __packed; > + > +#define WMI_P2P_NOA_INFO_CHANGED_FLAG BIT(0) > +#define WMI_P2P_NOA_INFO_INDEX GENMASK(15, 8) > +#define WMI_P2P_NOA_INFO_OPP_PS BIT(16) > +#define WMI_P2P_NOA_INFO_CTWIN_TU GENMASK(23, 17) > +#define WMI_P2P_NOA_INFO_DESC_NUM GENMASK(31, 24) > + > +struct ath12k_wmi_p2p_noa_info { > + /* Bit 0 - Flag to indicate an update in NOA schedule > + * Bits 7-1 - Reserved > + * Bits 15-8 - Index (identifies the instance of NOA sub element) > + * Bit 16 - Opp PS state of the AP > + * Bits 23-17 - Ctwindow in TUs > + * Bits 31-24 - Number of NOA descriptors > + */ > + __le32 noa_attr; > + struct ath12k_wmi_p2p_noa_descriptor descriptors[WMI_P2P_MAX_NOA_DESCRIPTORS]; > +} __packed; > + > #define WMI_BEACON_TX_BUFFER_SIZE 512 > > struct wmi_bcn_tmpl_cmd Thanks Karthikeyan
On 1/12/2024 5:35 PM, Karthikeyan Periyasamy wrote: > > On 1/12/2024 2:58 PM, Kang Yang wrote: >> + ieee80211_iterate_active_interfaces_atomic(ar->hw, >> + IEEE80211_IFACE_ITER_NORMAL, >> + ath12k_p2p_noa_update_vdev_iter, >> + &arg); > > > ath12k_ar_to_hw(ar) is introduced to avoid direct access of hw from radio (ie, ar->hw). > > This new helper function introduced by the patchset "[PATCH v2 1/2] wifi: ath12k: Refactor the mac80211 hw access from link/radio" > > > @jeff > > Any comments ? you are correct, we should use the helper function Please rebase on hw abstraction series /jeff