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hostapd: Get vendor HE capabilities

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Allow hostapd query device HE capabilities via vendor command.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Peng Xu 2016-10-25 10:22:48 -07:00 committed by Jouni Malinen
parent 7785c70bbb
commit ca1ab9db2a
2 changed files with 101 additions and 0 deletions
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3
src/drivers/driver_nl80211.h
View file

@ -161,6 +161,7 @@ struct wpa_driver_nl80211_data {
unsigned int scan_vendor_cmd_avail:1;
unsigned int connect_reassoc:1;
unsigned int set_wifi_conf_vendor_cmd_avail:1;
unsigned int he_capab_vendor_cmd_avail:1;
u64 vendor_scan_cookie;
u64 remain_on_chan_cookie;
@ -209,6 +210,8 @@ struct wpa_driver_nl80211_data {
* (NL80211_CMD_VENDOR). 0 if no pending scan request.
*/
int last_scan_cmd;
struct he_capabilities he_capab;
};
struct nl_msg;

98
src/drivers/driver_nl80211_capa.c
View file

@ -744,6 +744,9 @@ static int wiphy_info_handler(struct nl_msg *msg, void *arg)
case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
drv->set_wifi_conf_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES:
drv->he_capab_vendor_cmd_avail = 1;
break;
#endif /* CONFIG_DRIVER_NL80211_QCA */
}
}
@ -913,6 +916,100 @@ static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
}
static int qca_nl80211_he_capab_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct he_capabilities *he_capab = arg;
struct nlattr *nl_vend;
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX + 1];
size_t len;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (!tb[NL80211_ATTR_VENDOR_DATA])
return NL_SKIP;
nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_HE_CAPABILITIES_MAX,
nla_data(nl_vend), nla_len(nl_vend), NULL);
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]) {
u8 he_supported;
he_supported = nla_get_u8(
tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_SUPPORTED]);
wpa_printf(MSG_DEBUG, "nl80211: HE capabilities supported: %u",
he_supported);
he_capab->he_supported = he_supported;
if (!he_supported)
return NL_SKIP;
}
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]) {
len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]);
if (len > sizeof(he_capab->phy_cap))
len = sizeof(he_capab->phy_cap);
os_memcpy(he_capab->phy_cap,
nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PHY_CAPAB]),
len);
}
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB])
he_capab->mac_cap =
nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_MAC_CAPAB]);
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS])
he_capab->mcs =
nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_HE_MCS]);
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS])
he_capab->ppet.numss_m1 =
nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_NUM_SS]);
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK])
he_capab->ppet.ru_count =
nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_RU_IDX_MASK]);
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]) {
len = nla_len(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]);
if (len > sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0))
len = sizeof(he_capab->ppet.ppet16_ppet8_ru3_ru0);
os_memcpy(he_capab->ppet.ppet16_ppet8_ru3_ru0,
nla_data(tb_vendor[QCA_WLAN_VENDOR_ATTR_PPE_THRESHOLD]),
len);
}
return NL_SKIP;
}
static void qca_nl80211_check_he_capab(struct wpa_driver_nl80211_data *drv)
{
struct nl_msg *msg;
int ret;
if (!drv->he_capab_vendor_cmd_avail)
return;
if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
QCA_NL80211_VENDOR_SUBCMD_GET_HE_CAPABILITIES)) {
nlmsg_free(msg);
return;
}
ret = send_and_recv_msgs(drv, msg, qca_nl80211_he_capab_handler,
&drv->he_capab);
if (!ret && drv->he_capab.he_supported)
drv->capa.flags |= WPA_DRIVER_FLAGS_HE_CAPABILITIES;
}
struct features_info {
u8 *flags;
size_t flags_len;
@ -1084,6 +1181,7 @@ int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
#ifdef CONFIG_DRIVER_NL80211_QCA
qca_nl80211_check_dfs_capa(drv);
qca_nl80211_get_features(drv);
qca_nl80211_check_he_capab(drv);
/*
* To enable offchannel simultaneous support in wpa_supplicant, the