qcacld-3.0: Get deleted remote station info in SAP case
Add support to get information of deleted station in case of SAP. Change-Id: Id61ae1b36b923898237d55aa8c57d2e49815c8af CRs-Fixed: 2126240
This commit is contained in:
Hanumanth Reddy Pothula
committed by
snandini
snandini
parent
2e01abcc20
commit
f79fbdfd01
@@ -815,7 +815,7 @@ struct hdd_station_info {
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bool sgi_enable;
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bool tx_stbc;
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bool rx_stbc;
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uint8_t ch_width;
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tSirMacHTChannelWidth ch_width;
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uint8_t mode;
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uint8_t max_supp_idx;
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uint8_t max_ext_idx;
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@@ -4960,32 +4960,384 @@ static inline int32_t remote_station_put_u64(struct sk_buff *skb,
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#endif
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/**
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* hdd_get_station_remote() - get remote peer's info
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* hdd_add_survey_info_sap_get_len - get data length used in
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* hdd_add_survey_info_sap()
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*
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* This function calculates the data length used in hdd_add_survey_info_sap()
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*
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* Return: total data length used in hdd_add_survey_info_sap()
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*/
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static uint32_t hdd_add_survey_info_sap_get_len(void)
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{
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return ((NLA_HDRLEN) + (sizeof(uint32_t) + NLA_HDRLEN));
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}
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/**
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* hdd_add_survey_info - add survey info attribute
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* @skb: pointer to response skb buffer
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* @stainfo: station information
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* @idx: attribute type index for nla_next_start()
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*
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* This function adds survey info attribute to response skb buffer
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*
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* Return : 0 on success and errno on failure
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*/
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static int32_t hdd_add_survey_info_sap(struct sk_buff *skb,
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struct hdd_station_info *stainfo,
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int idx)
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{
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struct nlattr *nla_attr;
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nla_attr = nla_nest_start(skb, idx);
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if (!nla_attr)
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goto fail;
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if (nla_put_u32(skb, NL80211_SURVEY_INFO_FREQUENCY,
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stainfo->freq)) {
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hdd_err("put fail");
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goto fail;
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}
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nla_nest_end(skb, nla_attr);
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return 0;
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fail:
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return -EINVAL;
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}
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/**
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* hdd_add_tx_bitrate_sap_get_len - get data length used in
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* hdd_add_tx_bitrate_sap()
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*
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* This function calculates the data length used in hdd_add_tx_bitrate_sap()
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*
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* Return: total data length used in hdd_add_tx_bitrate_sap()
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*/
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static uint32_t hdd_add_tx_bitrate_sap_get_len(void)
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{
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return ((NLA_HDRLEN) + (sizeof(uint8_t) + NLA_HDRLEN));
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}
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/**
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* hdd_add_tx_bitrate_sap - add vhs nss info attribute
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* @skb: pointer to response skb buffer
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* @stainfo: station information
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* @idx: attribute type index for nla_next_start()
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*
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* This function adds vht nss attribute to response skb buffer
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*
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* Return : 0 on success and errno on failure
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*/
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static int hdd_add_tx_bitrate_sap(struct sk_buff *skb,
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struct hdd_station_info *stainfo,
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int idx)
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{
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struct nlattr *nla_attr;
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nla_attr = nla_nest_start(skb, idx);
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if (!nla_attr)
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goto fail;
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if (nla_put_u8(skb, NL80211_RATE_INFO_VHT_NSS,
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stainfo->nss)) {
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hdd_err("put fail");
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goto fail;
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}
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nla_nest_end(skb, nla_attr);
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return 0;
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fail:
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return -EINVAL;
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}
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/**
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* hdd_add_sta_info_sap_get_len - get data length used in
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* hdd_add_sta_info_sap()
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*
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* This function calculates the data length used in hdd_add_sta_info_sap()
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*
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* Return: total data length used in hdd_add_sta_info_sap()
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*/
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static uint32_t hdd_add_sta_info_sap_get_len(void)
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{
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return ((NLA_HDRLEN) + (sizeof(uint8_t) + NLA_HDRLEN) +
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hdd_add_tx_bitrate_sap_get_len());
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}
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/**
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* hdd_add_sta_info_sap - add sta signal info attribute
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* @skb: pointer to response skb buffer
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* @stainfo: station information
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* @idx: attribute type index for nla_next_start()
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*
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* This function adds sta signal attribute to response skb buffer
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*
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* Return : 0 on success and errno on failure
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*/
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static int32_t hdd_add_sta_info_sap(struct sk_buff *skb, int8_t rssi,
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struct hdd_station_info *stainfo, int idx)
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{
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struct nlattr *nla_attr;
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nla_attr = nla_nest_start(skb, idx);
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if (!nla_attr)
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goto fail;
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if (nla_put_u8(skb, NL80211_STA_INFO_SIGNAL, rssi)) {
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hdd_err("put fail");
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goto fail;
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}
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if (hdd_add_tx_bitrate_sap(skb, stainfo, NL80211_STA_INFO_TX_BITRATE))
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goto fail;
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nla_nest_end(skb, nla_attr);
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return 0;
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fail:
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return -EINVAL;
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}
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/**
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* hdd_add_link_standard_info_sap_get_len - get data length used in
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* hdd_add_link_standard_info_sap()
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*
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* This function calculates the data length used in
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* hdd_add_link_standard_info_sap()
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*
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* Return: total data length used in hdd_add_link_standard_info_sap()
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*/
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static uint32_t hdd_add_link_standard_info_sap_get_len(void)
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{
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return ((NLA_HDRLEN) +
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hdd_add_survey_info_sap_get_len() +
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hdd_add_sta_info_sap_get_len() +
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(sizeof(uint32_t) + NLA_HDRLEN));
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}
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/**
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* hdd_add_link_standard_info_sap - add add link info attribut
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* @skb: pointer to response skb buffer
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* @stainfo: station information
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* @idx: attribute type index for nla_next_start()
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*
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* This function adds link info attribut to response skb buffer
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*
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* Return : 0 on success and errno on failure
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*/
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static int hdd_add_link_standard_info_sap(struct sk_buff *skb, int8_t rssi,
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struct hdd_station_info *stainfo,
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int idx)
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{
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struct nlattr *nla_attr;
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nla_attr = nla_nest_start(skb, idx);
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if (!nla_attr)
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goto fail;
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if (hdd_add_survey_info_sap(skb, stainfo, NL80211_ATTR_SURVEY_INFO))
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goto fail;
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if (hdd_add_sta_info_sap(skb, rssi, stainfo, NL80211_ATTR_STA_INFO))
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goto fail;
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if (nla_put_u32(skb, NL80211_ATTR_REASON_CODE, stainfo->reason_code)) {
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hdd_err("Reason code put fail");
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goto fail;
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}
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nla_nest_end(skb, nla_attr);
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return 0;
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fail:
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return -EINVAL;
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}
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/**
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* hdd_add_ap_standard_info_sap_get_len - get data length used in
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* hdd_add_ap_standard_info_sap()
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* @stainfo: station information
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*
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* This function calculates the data length used in
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* hdd_add_ap_standard_info_sap()
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*
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* Return: total data length used in hdd_add_ap_standard_info_sap()
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*/
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static uint32_t hdd_add_ap_standard_info_sap_get_len(
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struct hdd_station_info *stainfo)
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{
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uint32_t len;
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len = NLA_HDRLEN;
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if (stainfo->vht_present)
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len += (sizeof(stainfo->vht_caps) + NLA_HDRLEN);
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if (stainfo->ht_present)
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len += (sizeof(stainfo->ht_caps) + NLA_HDRLEN);
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return len;
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}
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/**
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* hdd_add_ap_standard_info_sap - add HT and VHT info attributes
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* @skb: pointer to response skb buffer
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* @stainfo: station information
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* @idx: attribute type index for nla_next_start()
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*
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* This function adds HT and VHT info attributes to response skb buffer
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*
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* Return : 0 on success and errno on failure
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*/
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static int hdd_add_ap_standard_info_sap(struct sk_buff *skb,
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struct hdd_station_info *stainfo,
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int idx)
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{
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struct nlattr *nla_attr;
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nla_attr = nla_nest_start(skb, idx);
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if (!nla_attr)
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goto fail;
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if (stainfo->vht_present) {
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if (nla_put(skb, NL80211_ATTR_VHT_CAPABILITY,
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sizeof(stainfo->vht_caps),
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&stainfo->vht_caps)) {
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hdd_err("put fail");
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goto fail;
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}
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}
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if (stainfo->ht_present) {
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if (nla_put(skb, NL80211_ATTR_HT_CAPABILITY,
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sizeof(stainfo->ht_caps),
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&stainfo->ht_caps)) {
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hdd_err("put fail");
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goto fail;
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}
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}
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nla_nest_end(skb, nla_attr);
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return 0;
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fail:
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return -EINVAL;
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}
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/**
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* hdd_decode_ch_width - decode channel band width based
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* @ch_width: encoded enum value holding channel band width
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*
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* This function decodes channel band width from the given encoded enum value.
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*
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* Returns: decoded channel band width.
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*/
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static uint8_t hdd_decode_ch_width(tSirMacHTChannelWidth ch_width)
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{
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switch (ch_width) {
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case 0:
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return 20;
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case 1:
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return 40;
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case 2:
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return 80;
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case 3:
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case 4:
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return 160;
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default:
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hdd_debug("invalid enum: %d", ch_width);
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return 20;
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}
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}
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/**
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* hdd_get_cached_station_remote() - get cached(deleted) peer's info
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* @hdd_ctx: hdd context
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* @adapter: hostapd interface
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* @mac_addr: mac address of requested peer
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*
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* This function collect and indicate the remote peer's info
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* This function collect and indicate the cached(deleted) peer's info
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*
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* Return: 0 on success, otherwise error value
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*/
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static int hdd_get_station_remote(struct hdd_context *hdd_ctx,
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struct hdd_adapter *adapter,
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struct qdf_mac_addr mac_addr)
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static int hdd_get_cached_station_remote(struct hdd_context *hdd_ctx,
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struct hdd_adapter *adapter,
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struct qdf_mac_addr mac_addr)
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{
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struct hdd_station_info *stainfo = hdd_get_stainfo(adapter->sta_info,
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mac_addr);
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struct hdd_station_info *stainfo = hdd_get_stainfo(
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adapter->cache_sta_info,
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mac_addr);
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struct sk_buff *skb = NULL;
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struct sir_peer_info_ext peer_info;
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uint32_t nl_buf_len;
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bool txrx_rate = true;
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uint32_t nl_buf_len = NLMSG_HDRLEN;
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uint8_t channel_width;
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if (!stainfo) {
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hdd_err("peer " MAC_ADDRESS_STR " not found",
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MAC_ADDR_ARRAY(mac_addr.bytes));
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return -EINVAL;
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}
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nl_buf_len += hdd_add_link_standard_info_sap_get_len() +
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hdd_add_ap_standard_info_sap_get_len(stainfo) +
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(sizeof(stainfo->mode) + NLA_HDRLEN) +
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(sizeof(stainfo->ch_width) + NLA_HDRLEN) +
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(sizeof(stainfo->tx_rate) + NLA_HDRLEN) +
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(sizeof(stainfo->rx_rate) + NLA_HDRLEN);
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skb = cfg80211_vendor_cmd_alloc_reply_skb(hdd_ctx->wiphy, nl_buf_len);
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if (!skb) {
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hdd_err(FL("cfg80211_vendor_cmd_alloc_reply_skb failed"));
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return -ENOMEM;
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}
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if (hdd_add_link_standard_info_sap(skb, stainfo->rssi, stainfo,
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LINK_INFO_STANDARD_NL80211_ATTR)) {
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hdd_err("link standard put fail");
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goto fail;
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}
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if (hdd_add_ap_standard_info_sap(skb, stainfo,
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AP_INFO_STANDARD_NL80211_ATTR)) {
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hdd_err("ap standard put fail");
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goto fail;
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}
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/* upper layer expects decoded channel BW */
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channel_width = hdd_decode_ch_width(stainfo->ch_width);
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if (nla_put_u32(skb, REMOTE_SUPPORTED_MODE,
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hdd_convert_dot11mode(
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stainfo->mode)) ||
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nla_put_u8(skb, REMOTE_CH_WIDTH, channel_width)) {
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hdd_err("remote ch put fail");
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goto fail;
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}
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if (nla_put_u32(skb, REMOTE_LAST_TX_RATE, stainfo->tx_rate)) {
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hdd_err("tx rate put fail");
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goto fail;
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}
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if (nla_put_u32(skb, REMOTE_LAST_RX_RATE, stainfo->rx_rate)) {
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hdd_err("rx rate put fail");
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goto fail;
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}
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qdf_mem_zero(stainfo, sizeof(*stainfo));
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return cfg80211_vendor_cmd_reply(skb);
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fail:
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if (skb)
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kfree_skb(skb);
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return -EINVAL;
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}
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/**
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* hdd_get_cached_station_remote() - get connected peer's info
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* @hdd_ctx: hdd context
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* @adapter: hostapd interface
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* @mac_addr: mac address of requested peer
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*
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* This function collect and indicate the connected peer's info
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*
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* Return: 0 on success, otherwise error value
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*/
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static int hdd_get_connected_station_info(struct hdd_context *hdd_ctx,
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struct hdd_adapter *adapter,
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struct qdf_mac_addr mac_addr,
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struct hdd_station_info *stainfo)
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{
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struct sk_buff *skb = NULL;
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uint32_t nl_buf_len;
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struct sir_peer_info_ext peer_info;
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bool txrx_rate = true;
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nl_buf_len = NLMSG_HDRLEN;
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nl_buf_len += (sizeof(stainfo->max_phy_rate) + NLA_HDRLEN) +
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(sizeof(stainfo->tx_packets) + NLA_HDRLEN) +
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@@ -5082,6 +5434,43 @@ fail:
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return -EINVAL;
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}
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/**
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* hdd_get_station_remote() - get remote peer's info
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* @hdd_ctx: hdd context
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* @adapter: hostapd interface
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* @mac_addr: mac address of requested peer
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*
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* This function collect and indicate the remote peer's info
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*
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* Return: 0 on success, otherwise error value
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*/
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static int hdd_get_station_remote(struct hdd_context *hdd_ctx,
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struct hdd_adapter *adapter,
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struct qdf_mac_addr mac_addr)
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{
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struct hdd_station_info *stainfo = hdd_get_stainfo(adapter->sta_info,
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mac_addr);
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int status = 0;
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bool is_associated = false;
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if (!stainfo) {
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status = hdd_get_cached_station_remote(hdd_ctx, adapter,
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mac_addr);
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return status;
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}
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is_associated = hdd_is_peer_associated(adapter, &mac_addr);
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if (!is_associated) {
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status = hdd_get_cached_station_remote(hdd_ctx, adapter,
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mac_addr);
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return status;
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}
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status = hdd_get_connected_station_info(hdd_ctx, adapter,
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mac_addr, stainfo);
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return status;
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}
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/**
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* __hdd_cfg80211_get_station_cmd() - Handle get station vendor cmd
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* @wiphy: corestack handler
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