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wiphy: Parse & report supported interface types

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This commit is contained in:
Denis Kenzior 2018-08-07 11:53:31 -05:00
parent 6e6797cbde
commit 33e83b8c7c
2 changed files with 61 additions and 1 deletions
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60
src/wiphy.c
View File

@ -59,6 +59,7 @@ struct wiphy {
bool support_scheduled_scan:1;
bool support_rekey_offload:1;
bool support_adhoc_rsn:1;
uint16_t supported_iftypes;
uint16_t supported_ciphers;
struct scan_freq_set *supported_freqs;
char *model_str;
@ -207,6 +208,31 @@ bool wiphy_supports_adhoc_rsn(struct wiphy *wiphy)
return wiphy->support_adhoc_rsn;
}
static char **wiphy_get_supported_iftypes(struct wiphy *wiphy)
{
char **ret = l_new(char *,
__builtin_popcount(wiphy->supported_iftypes) + 1);
unsigned int i;
unsigned int j;
for (j = 0, i = 0; i < sizeof(wiphy->supported_iftypes) * 8; i++) {
if (!(wiphy->supported_iftypes & (1 << i)))
continue;
ret[j++] = l_strdup(dbus_iftype_to_string(i + 1));
}
return ret;
}
bool wiphy_supports_iftype(struct wiphy *wiphy, uint32_t iftype)
{
if (iftype > sizeof(wiphy->supported_iftypes) * 8)
return false;
return wiphy->supported_iftypes & (1 << (iftype - 1));
}
static void wiphy_print_basic_info(struct wiphy *wiphy)
{
uint32_t bands;
@ -246,6 +272,16 @@ static void wiphy_print_basic_info(struct wiphy *wiphy)
l_info("%s", buf);
}
if (wiphy->supported_iftypes) {
char **iftypes = wiphy_get_supported_iftypes(wiphy);
char *joined = l_strjoinv(iftypes, ' ');
l_info("\tSupported iftypes: %s", joined);
l_free(joined);
l_strfreev(iftypes);
}
}
static void parse_supported_commands(struct wiphy *wiphy,
@ -352,6 +388,26 @@ static void parse_supported_bands(struct wiphy *wiphy,
}
}
static void parse_supported_iftypes(struct wiphy *wiphy,
struct l_genl_attr *attr)
{
uint16_t type, len;
const void *data;
while (l_genl_attr_next(attr, &type, &len, &data)) {
/*
* NL80211_IFTYPE_UNSPECIFIED can be ignored, so we start
* at the first bit
*/
if (type > sizeof(wiphy->supported_iftypes) * 8) {
l_warn("unsupported iftype: %u", type);
continue;
}
wiphy->supported_iftypes |= 1 << (type - 1);
}
}
static void wiphy_parse_attributes(struct wiphy *wiphy,
struct l_genl_attr *attr)
{
@ -397,6 +453,10 @@ static void wiphy_parse_attributes(struct wiphy *wiphy,
case NL80211_ATTR_SUPPORT_IBSS_RSN:
wiphy->support_adhoc_rsn = true;
break;
case NL80211_ATTR_SUPPORTED_IFTYPES:
if (l_genl_attr_recurse(attr, &nested))
parse_supported_iftypes(wiphy, &nested);
break;
}
}

2
src/wiphy.h
View File

@ -37,7 +37,7 @@ bool wiphy_can_connect(struct wiphy *wiphy, struct scan_bss *bss);
bool wiphy_has_feature(struct wiphy *wiphy, uint32_t feature);
bool wiphy_has_ext_feature(struct wiphy *wiphy, uint32_t feature);
uint8_t wiphy_get_max_num_ssids_per_scan(struct wiphy *wiphy);
bool wiphy_supports_iftype(struct wiphy *wiphy, uint32_t iftype);
bool wiphy_supports_adhoc_rsn(struct wiphy *wiphy);
bool wiphy_init(struct l_genl_family *in, const char *whitelist,