2023-09-20 11:32:58

by Wen Gong

[permalink] [raw]
Subject: [PATCH v6 12/13] wifi: ath11k: add handler for WMI_VDEV_SET_TPC_POWER_CMDID

Add the handler for WMI_VDEV_SET_TPC_POWER_CMDID, it is for 6 GHz band.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23

Signed-off-by: Wen Gong <[email protected]>
---
drivers/net/wireless/ath/ath11k/wmi.c | 63 +++++++++++++++++++++++++++
drivers/net/wireless/ath/ath11k/wmi.h | 61 ++++++++++++++++++++++++++
2 files changed, 124 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index d93ed92335c7..43c47967eec1 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -2379,6 +2379,69 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
return ret;
}

+int ath11k_wmi_send_vdev_set_tpc_power(struct ath11k *ar,
+ u32 vdev_id,
+ struct ath11k_reg_tpc_power_info *param)
+{
+ struct ath11k_pdev_wmi *wmi = ar->wmi;
+ struct wmi_vdev_set_tpc_power_cmd *cmd;
+ struct wmi_vdev_ch_power_info *ch;
+ struct sk_buff *skb;
+ struct wmi_tlv *tlv;
+ u8 *ptr;
+ int i, ret, len;
+
+ len = sizeof(*cmd) + TLV_HDR_SIZE;
+ len += (sizeof(struct wmi_vdev_ch_power_info) * param->num_pwr_levels);
+
+ skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
+ if (!skb)
+ return -ENOMEM;
+
+ ptr = skb->data;
+
+ cmd = (struct wmi_vdev_set_tpc_power_cmd *)ptr;
+ cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_VDEV_SET_TPC_POWER_CMD) |
+ FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+ cmd->vdev_id = vdev_id;
+ cmd->psd_power = param->is_psd_power;
+ cmd->eirp_power = param->eirp_power;
+ cmd->power_type_6ghz = param->ap_power_type;
+ ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+ "wmi tpc vdev id %d is psd power %d eirp power %d 6 GHz power type %d\n",
+ vdev_id, param->is_psd_power, param->eirp_power, param->ap_power_type);
+
+ ptr += sizeof(*cmd);
+ tlv = (struct wmi_tlv *)ptr;
+ tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) |
+ FIELD_PREP(WMI_TLV_LEN, param->num_pwr_levels * sizeof(*ch));
+
+ ptr += TLV_HDR_SIZE;
+ ch = (struct wmi_vdev_ch_power_info *)ptr;
+
+ for (i = 0; i < param->num_pwr_levels; i++, ch++) {
+ ch->tlv_header = FIELD_PREP(WMI_TLV_TAG,
+ WMI_TAG_VDEV_CH_POWER_INFO) |
+ FIELD_PREP(WMI_TLV_LEN,
+ sizeof(*ch) - TLV_HDR_SIZE);
+
+ ch->chan_cfreq = param->chan_power_info[i].chan_cfreq;
+ ch->tx_power = param->chan_power_info[i].tx_power;
+
+ ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+ "wmi tpc chan freq %d TX power %d\n",
+ ch->chan_cfreq, ch->tx_power);
+ }
+
+ ret = ath11k_wmi_cmd_send(wmi, skb,
+ WMI_VDEV_SET_TPC_POWER_CMDID);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to send WMI_VDEV_SET_TPC_POWER_CMDID\n");
+ dev_kfree_skb(skb);
+ }
+ return ret;
+}
+
int ath11k_wmi_send_scan_stop_cmd(struct ath11k *ar,
struct scan_cancel_param *param)
{
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index ed1a6db23709..dbe973698a89 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -15,6 +15,7 @@ struct ath11k;
struct ath11k_fw_stats;
struct ath11k_fw_dbglog;
struct ath11k_vif;
+struct ath11k_reg_tpc_power_info;

#define PSOC_HOST_MAX_NUM_SS (8)

@@ -327,6 +328,36 @@ enum wmi_tlv_cmd_id {
WMI_VDEV_SET_CUSTOM_AGGR_SIZE_CMDID,
WMI_VDEV_ENCRYPT_DECRYPT_DATA_REQ_CMDID,
WMI_VDEV_ADD_MAC_ADDR_TO_RX_FILTER_CMDID,
+ /** WMI commands related to dbg arp stats */
+ WMI_VDEV_SET_ARP_STAT_CMDID,
+ WMI_VDEV_GET_ARP_STAT_CMDID,
+ /** get tx power for the current vdev */
+ WMI_VDEV_GET_TX_POWER_CMDID,
+ /* limit STA offchannel activity */
+ WMI_VDEV_LIMIT_OFFCHAN_CMDID,
+ /** To set custom software retries per-AC for vdev */
+ WMI_VDEV_SET_CUSTOM_SW_RETRY_TH_CMDID,
+ /** To set chainmask configuration for vdev */
+ WMI_VDEV_CHAINMASK_CONFIG_CMDID,
+ WMI_VDEV_GET_BCN_RECEPTION_STATS_CMDID,
+ /* request LTE-Coex info */
+ WMI_VDEV_GET_MWS_COEX_INFO_CMDID,
+ /** delete all peer (excluding bss peer) */
+ WMI_VDEV_DELETE_ALL_PEER_CMDID,
+ /* To set bss max idle time related parameters */
+ WMI_VDEV_BSS_MAX_IDLE_TIME_CMDID,
+ /** Indicates firmware to trigger Audio sync */
+ WMI_VDEV_AUDIO_SYNC_TRIGGER_CMDID,
+ /** Gives Qtimer value to firmware */
+ WMI_VDEV_AUDIO_SYNC_QTIMER_CMDID,
+ /** Preferred channel list for each vdev */
+ WMI_VDEV_SET_PCL_CMDID,
+ /** VDEV_GET_BIG_DATA_CMD IS DEPRECATED - DO NOT USE */
+ WMI_VDEV_GET_BIG_DATA_CMDID,
+ /** Get per vdev BIG DATA stats phase 2 */
+ WMI_VDEV_GET_BIG_DATA_P2_CMDID,
+ /** set TPC PSD/non-PSD power */
+ WMI_VDEV_SET_TPC_POWER_CMDID,
WMI_PEER_CREATE_CMDID = WMI_TLV_CMD(WMI_GRP_PEER),
WMI_PEER_DELETE_CMDID,
WMI_PEER_FLUSH_TIDS_CMDID,
@@ -1878,6 +1909,8 @@ enum wmi_tlv_tag {
WMI_TAG_PDEV_NON_SRG_OBSS_BSSID_ENABLE_BITMAP_CMD,
WMI_TAG_REGULATORY_RULE_EXT_STRUCT = 0x3A9,
WMI_TAG_REG_CHAN_LIST_CC_EXT_EVENT,
+ WMI_TAG_VDEV_SET_TPC_POWER_CMD = 0x3B5,
+ WMI_TAG_VDEV_CH_POWER_INFO,
WMI_TAG_PDEV_SET_BIOS_SAR_TABLE_CMD = 0x3D8,
WMI_TAG_PDEV_SET_BIOS_GEO_TABLE_CMD,
WMI_TAG_MAX
@@ -3168,6 +3201,31 @@ struct wlan_ssid {
u8 ssid[WLAN_SSID_MAX_LEN];
};

+struct wmi_vdev_ch_power_info {
+ u32 tlv_header;
+ u32 chan_cfreq; /* Channel center frequency (MHz) */
+ /* Unit: dBm, either PSD/EIRP power for this frequency or
+ * incremental for non-PSD BW
+ */
+ u32 tx_power;
+} __packed;
+
+struct wmi_vdev_set_tpc_power_cmd {
+ u32 tlv_header;
+ u32 vdev_id;
+ u32 psd_power; /* Value: 0 or 1, is PSD power or not */
+ u32 eirp_power; /* Maximum EIRP power (dBm units), valid only if power is PSD */
+ u32 power_type_6ghz; /* Type: WMI_6GHZ_REG_TYPE, used for halphy CTL lookup */
+ /* This fixed_param TLV is followed by the below TLVs:
+ * num_pwr_levels of wmi_vdev_ch_power_info
+ * For PSD power, it is the PSD/EIRP power of the frequency (20 MHz chunks).
+ * For non-PSD power, the power values are for 20, 40, and till
+ * BSS BW power levels.
+ * The num_pwr_levels will be checked by sw how many elements present
+ * in the variable-length array.
+ */
+} __packed;
+
#define WMI_IE_BITMAP_SIZE 8

/* prefix used by scan requestor ids on the host */
@@ -6512,4 +6570,7 @@ void ath11k_reg_reset_info(struct cur_regulatory_info *reg_info);
int ath11k_reg_handle_chan_list(struct ath11k_base *ab,
struct cur_regulatory_info *reg_info,
enum ieee80211_ap_reg_power power_type);
+int ath11k_wmi_send_vdev_set_tpc_power(struct ath11k *ar,
+ u32 vdev_id,
+ struct ath11k_reg_tpc_power_info *param);
#endif
--
2.40.1


2023-09-21 23:31:35

by Jeff Johnson

[permalink] [raw]
Subject: Re: [PATCH v6 12/13] wifi: ath11k: add handler for WMI_VDEV_SET_TPC_POWER_CMDID

On 9/20/2023 1:23 AM, Wen Gong wrote:
> Add the handler for WMI_VDEV_SET_TPC_POWER_CMDID, it is for 6 GHz band.
>
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23
>
> Signed-off-by: Wen Gong <[email protected]>
> ---
> drivers/net/wireless/ath/ath11k/wmi.c | 63 +++++++++++++++++++++++++++
> drivers/net/wireless/ath/ath11k/wmi.h | 61 ++++++++++++++++++++++++++
> 2 files changed, 124 insertions(+)
>
> diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
> index d93ed92335c7..43c47967eec1 100644
> --- a/drivers/net/wireless/ath/ath11k/wmi.c
> +++ b/drivers/net/wireless/ath/ath11k/wmi.c
> @@ -2379,6 +2379,69 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
> return ret;
> }
>
> +int ath11k_wmi_send_vdev_set_tpc_power(struct ath11k *ar,
> + u32 vdev_id,
> + struct ath11k_reg_tpc_power_info *param)
> +{
> + struct ath11k_pdev_wmi *wmi = ar->wmi;
> + struct wmi_vdev_set_tpc_power_cmd *cmd;
> + struct wmi_vdev_ch_power_info *ch;
> + struct sk_buff *skb;
> + struct wmi_tlv *tlv;
> + u8 *ptr;
> + int i, ret, len;
> +
> + len = sizeof(*cmd) + TLV_HDR_SIZE;
> + len += (sizeof(struct wmi_vdev_ch_power_info) * param->num_pwr_levels);

sizeof(*ch) is preferred

and since you need this sum both here and when you fill the TLV,
consider calculating it once and using the calculated value in both places

> +
> + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
> + if (!skb)
> + return -ENOMEM;
> +
> + ptr = skb->data;
> +
> + cmd = (struct wmi_vdev_set_tpc_power_cmd *)ptr;
> + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_VDEV_SET_TPC_POWER_CMD) |
> + FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
> + cmd->vdev_id = vdev_id;
> + cmd->psd_power = param->is_psd_power;
> + cmd->eirp_power = param->eirp_power;
> + cmd->power_type_6ghz = param->ap_power_type;
> + ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
> + "wmi tpc vdev id %d is psd power %d eirp power %d 6 GHz power type %d\n",
> + vdev_id, param->is_psd_power, param->eirp_power, param->ap_power_type);
> +
> + ptr += sizeof(*cmd);
> + tlv = (struct wmi_tlv *)ptr;
> + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) |
> + FIELD_PREP(WMI_TLV_LEN, param->num_pwr_levels * sizeof(*ch));

as noted above you can use previously calculated length here

> +
> + ptr += TLV_HDR_SIZE;
> + ch = (struct wmi_vdev_ch_power_info *)ptr;
> +
> + for (i = 0; i < param->num_pwr_levels; i++, ch++) {
> + ch->tlv_header = FIELD_PREP(WMI_TLV_TAG,
> + WMI_TAG_VDEV_CH_POWER_INFO) |
> + FIELD_PREP(WMI_TLV_LEN,
> + sizeof(*ch) - TLV_HDR_SIZE);
> +
> + ch->chan_cfreq = param->chan_power_info[i].chan_cfreq;
> + ch->tx_power = param->chan_power_info[i].tx_power;
> +
> + ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
> + "wmi tpc chan freq %d TX power %d\n",
> + ch->chan_cfreq, ch->tx_power);
> + }
> +
> + ret = ath11k_wmi_cmd_send(wmi, skb,
> + WMI_VDEV_SET_TPC_POWER_CMDID);
> + if (ret) {
> + ath11k_warn(ar->ab, "failed to send WMI_VDEV_SET_TPC_POWER_CMDID\n");
> + dev_kfree_skb(skb);
> + }
> + return ret;
> +}
> +
> int ath11k_wmi_send_scan_stop_cmd(struct ath11k *ar,
> struct scan_cancel_param *param)
> {
> diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
> index ed1a6db23709..dbe973698a89 100644
> --- a/drivers/net/wireless/ath/ath11k/wmi.h
> +++ b/drivers/net/wireless/ath/ath11k/wmi.h
> @@ -15,6 +15,7 @@ struct ath11k;
> struct ath11k_fw_stats;
> struct ath11k_fw_dbglog;
> struct ath11k_vif;
> +struct ath11k_reg_tpc_power_info;
>
> #define PSOC_HOST_MAX_NUM_SS (8)
>
> @@ -327,6 +328,36 @@ enum wmi_tlv_cmd_id {
> WMI_VDEV_SET_CUSTOM_AGGR_SIZE_CMDID,
> WMI_VDEV_ENCRYPT_DECRYPT_DATA_REQ_CMDID,
> WMI_VDEV_ADD_MAC_ADDR_TO_RX_FILTER_CMDID,
> + /** WMI commands related to dbg arp stats */
> + WMI_VDEV_SET_ARP_STAT_CMDID,
> + WMI_VDEV_GET_ARP_STAT_CMDID,
> + /** get tx power for the current vdev */
> + WMI_VDEV_GET_TX_POWER_CMDID,
> + /* limit STA offchannel activity */
> + WMI_VDEV_LIMIT_OFFCHAN_CMDID,
> + /** To set custom software retries per-AC for vdev */
> + WMI_VDEV_SET_CUSTOM_SW_RETRY_TH_CMDID,
> + /** To set chainmask configuration for vdev */
> + WMI_VDEV_CHAINMASK_CONFIG_CMDID,
> + WMI_VDEV_GET_BCN_RECEPTION_STATS_CMDID,
> + /* request LTE-Coex info */
> + WMI_VDEV_GET_MWS_COEX_INFO_CMDID,
> + /** delete all peer (excluding bss peer) */
> + WMI_VDEV_DELETE_ALL_PEER_CMDID,
> + /* To set bss max idle time related parameters */
> + WMI_VDEV_BSS_MAX_IDLE_TIME_CMDID,
> + /** Indicates firmware to trigger Audio sync */
> + WMI_VDEV_AUDIO_SYNC_TRIGGER_CMDID,
> + /** Gives Qtimer value to firmware */
> + WMI_VDEV_AUDIO_SYNC_QTIMER_CMDID,
> + /** Preferred channel list for each vdev */
> + WMI_VDEV_SET_PCL_CMDID,
> + /** VDEV_GET_BIG_DATA_CMD IS DEPRECATED - DO NOT USE */
> + WMI_VDEV_GET_BIG_DATA_CMDID,
> + /** Get per vdev BIG DATA stats phase 2 */
> + WMI_VDEV_GET_BIG_DATA_P2_CMDID,
> + /** set TPC PSD/non-PSD power */
> + WMI_VDEV_SET_TPC_POWER_CMDID,
> WMI_PEER_CREATE_CMDID = WMI_TLV_CMD(WMI_GRP_PEER),
> WMI_PEER_DELETE_CMDID,
> WMI_PEER_FLUSH_TIDS_CMDID,
> @@ -1878,6 +1909,8 @@ enum wmi_tlv_tag {
> WMI_TAG_PDEV_NON_SRG_OBSS_BSSID_ENABLE_BITMAP_CMD,
> WMI_TAG_REGULATORY_RULE_EXT_STRUCT = 0x3A9,
> WMI_TAG_REG_CHAN_LIST_CC_EXT_EVENT,
> + WMI_TAG_VDEV_SET_TPC_POWER_CMD = 0x3B5,
> + WMI_TAG_VDEV_CH_POWER_INFO,
> WMI_TAG_PDEV_SET_BIOS_SAR_TABLE_CMD = 0x3D8,
> WMI_TAG_PDEV_SET_BIOS_GEO_TABLE_CMD,
> WMI_TAG_MAX
> @@ -3168,6 +3201,31 @@ struct wlan_ssid {
> u8 ssid[WLAN_SSID_MAX_LEN];
> };
>
> +struct wmi_vdev_ch_power_info {
> + u32 tlv_header;
> + u32 chan_cfreq; /* Channel center frequency (MHz) */
> + /* Unit: dBm, either PSD/EIRP power for this frequency or
> + * incremental for non-PSD BW
> + */
> + u32 tx_power;
> +} __packed;
> +
> +struct wmi_vdev_set_tpc_power_cmd {
> + u32 tlv_header;
> + u32 vdev_id;
> + u32 psd_power; /* Value: 0 or 1, is PSD power or not */
> + u32 eirp_power; /* Maximum EIRP power (dBm units), valid only if power is PSD */
> + u32 power_type_6ghz; /* Type: WMI_6GHZ_REG_TYPE, used for halphy CTL lookup */
> + /* This fixed_param TLV is followed by the below TLVs:
> + * num_pwr_levels of wmi_vdev_ch_power_info
> + * For PSD power, it is the PSD/EIRP power of the frequency (20 MHz chunks).
> + * For non-PSD power, the power values are for 20, 40, and till
> + * BSS BW power levels.
> + * The num_pwr_levels will be checked by sw how many elements present
> + * in the variable-length array.
> + */
> +} __packed;
> +
> #define WMI_IE_BITMAP_SIZE 8
>
> /* prefix used by scan requestor ids on the host */
> @@ -6512,4 +6570,7 @@ void ath11k_reg_reset_info(struct cur_regulatory_info *reg_info);
> int ath11k_reg_handle_chan_list(struct ath11k_base *ab,
> struct cur_regulatory_info *reg_info,
> enum ieee80211_ap_reg_power power_type);
> +int ath11k_wmi_send_vdev_set_tpc_power(struct ath11k *ar,
> + u32 vdev_id,
> + struct ath11k_reg_tpc_power_info *param);
> #endif