int last_mode, last_chan_idx;
};
-static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
+static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
+ struct nlattr *ampdu_factor,
+ struct nlattr *ampdu_density,
+ struct nlattr *mcs_set)
+{
+ if (capa)
+ mode->ht_capab = nla_get_u16(capa);
+
+ if (ampdu_factor)
+ mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
+
+ if (ampdu_density)
+ mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
+
+ if (mcs_set && nla_len(mcs_set) >= 16) {
+ u8 *mcs;
+ mcs = nla_data(mcs_set);
+ os_memcpy(mode->mcs_set, mcs, 16);
+ }
+}
+
+
+static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
+ struct nlattr *capa,
+ struct nlattr *mcs_set)
+{
+ if (capa)
+ mode->vht_capab = nla_get_u32(capa);
+
+ if (mcs_set && nla_len(mcs_set) >= 8) {
+ u8 *mcs;
+ mcs = nla_data(mcs_set);
+ os_memcpy(mode->vht_mcs_set, mcs, 8);
+ }
+}
+
+
+static int phy_info_freqs(struct phy_info_arg *phy_info,
+ struct hostapd_hw_modes *mode, struct nlattr *tb)
{
- struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
- struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
};
- struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
+ int new_channels = 0;
+ struct hostapd_channel_data *channel;
+ struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
+ struct nlattr *nl_freq;
+ int rem_freq, idx;
+
+ if (tb == NULL)
+ return NL_OK;
+
+ nla_for_each_nested(nl_freq, tb, rem_freq) {
+ nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
+ nla_data(nl_freq), nla_len(nl_freq), freq_policy);
+ if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
+ continue;
+ new_channels++;
+ }
+
+ channel = os_realloc_array(mode->channels,
+ mode->num_channels + new_channels,
+ sizeof(struct hostapd_channel_data));
+ if (!channel)
+ return NL_SKIP;
+
+ mode->channels = channel;
+ mode->num_channels += new_channels;
+
+ idx = phy_info->last_chan_idx;
+
+ nla_for_each_nested(nl_freq, tb, rem_freq) {
+ nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
+ nla_data(nl_freq), nla_len(nl_freq), freq_policy);
+ if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
+ continue;
+
+ mode->channels[idx].freq = nla_get_u32(
+ tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
+ mode->channels[idx].flag = 0;
+
+ /* mode is not set */
+ if (mode->mode >= NUM_HOSTAPD_MODES) {
+ /* crude heuristic */
+ if (mode->channels[idx].freq < 4000)
+ mode->mode = HOSTAPD_MODE_IEEE80211B;
+ else if (mode->channels[idx].freq > 50000)
+ mode->mode = HOSTAPD_MODE_IEEE80211AD;
+ else
+ mode->mode = HOSTAPD_MODE_IEEE80211A;
+ }
+
+ switch (mode->mode) {
+ case HOSTAPD_MODE_IEEE80211AD:
+ mode->channels[idx].chan =
+ (mode->channels[idx].freq - 56160) / 2160;
+ break;
+ case HOSTAPD_MODE_IEEE80211A:
+ mode->channels[idx].chan =
+ mode->channels[idx].freq / 5 - 1000;
+ break;
+ case HOSTAPD_MODE_IEEE80211B:
+ case HOSTAPD_MODE_IEEE80211G:
+ if (mode->channels[idx].freq == 2484)
+ mode->channels[idx].chan = 14;
+ else
+ mode->channels[idx].chan =
+ (mode->channels[idx].freq - 2407) / 5;
+ break;
+ default:
+ break;
+ }
+
+ if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
+ mode->channels[idx].flag |= HOSTAPD_CHAN_DISABLED;
+ if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
+ mode->channels[idx].flag |= HOSTAPD_CHAN_PASSIVE_SCAN;
+ if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
+ mode->channels[idx].flag |= HOSTAPD_CHAN_NO_IBSS;
+ if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
+ mode->channels[idx].flag |= HOSTAPD_CHAN_RADAR;
+
+ if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
+ !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
+ mode->channels[idx].max_tx_power =
+ nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100;
+
+ idx++;
+ }
+ phy_info->last_chan_idx = idx;
+
+ return NL_OK;
+}
+
+
+static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
+{
static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
[NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
{ .type = NLA_FLAG },
};
- struct nlattr *nl_freq;
+ struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
struct nlattr *nl_rate;
- int rem_freq, rem_rate;
+ int rem_rate, idx;
+
+ if (tb == NULL)
+ return NL_OK;
+
+ nla_for_each_nested(nl_rate, tb, rem_rate) {
+ nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
+ nla_data(nl_rate), nla_len(nl_rate),
+ rate_policy);
+ if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
+ continue;
+ mode->num_rates++;
+ }
+
+ mode->rates = os_calloc(mode->num_rates, sizeof(int));
+ if (!mode->rates)
+ return NL_SKIP;
+
+ idx = 0;
+
+ nla_for_each_nested(nl_rate, tb, rem_rate) {
+ nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
+ nla_data(nl_rate), nla_len(nl_rate),
+ rate_policy);
+ if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
+ continue;
+ mode->rates[idx] = nla_get_u32(
+ tb_rate[NL80211_BITRATE_ATTR_RATE]);
+
+ /* crude heuristic */
+ if (mode->mode == HOSTAPD_MODE_IEEE80211B &&
+ mode->rates[idx] > 200)
+ mode->mode = HOSTAPD_MODE_IEEE80211G;
+
+ idx++;
+ }
+
+ return NL_OK;
+}
+
+
+static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
+{
+ struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
struct hostapd_hw_modes *mode;
- int idx;
+ int ret;
if (phy_info->last_mode != nl_band->nla_type) {
mode = os_realloc_array(phy_info->modes,
nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
nla_len(nl_band), NULL);
- if (tb_band[NL80211_BAND_ATTR_HT_CAPA]) {
- mode->ht_capab = nla_get_u16(
- tb_band[NL80211_BAND_ATTR_HT_CAPA]);
- }
-
- if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) {
- mode->a_mpdu_params |= nla_get_u8(
- tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR]) & 0x03;
- }
-
- if (tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) {
- mode->a_mpdu_params |= nla_get_u8(
- tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY]) << 2;
- }
-
- if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
- nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET])) {
- u8 *mcs;
- mcs = nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
- os_memcpy(mode->mcs_set, mcs, 16);
- }
-
- if (tb_band[NL80211_BAND_ATTR_VHT_CAPA]) {
- mode->vht_capab = nla_get_u32(
- tb_band[NL80211_BAND_ATTR_VHT_CAPA]);
- }
-
- if (tb_band[NL80211_BAND_ATTR_VHT_MCS_SET] &&
- nla_len(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])) {
- u8 *mcs;
- mcs = nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
- os_memcpy(mode->vht_mcs_set, mcs, 8);
- }
-
- if (tb_band[NL80211_BAND_ATTR_FREQS]) {
- int new_channels = 0;
- struct hostapd_channel_data *channel;
- nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS],
- rem_freq) {
- nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
- nla_data(nl_freq), nla_len(nl_freq),
- freq_policy);
- if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
- continue;
- new_channels++;
- }
-
- channel = os_realloc_array(mode->channels,
- mode->num_channels + new_channels,
- sizeof(struct hostapd_channel_data));
- if (!channel)
- return NL_SKIP;
-
- mode->channels = channel;
- mode->num_channels += new_channels;
-
- idx = phy_info->last_chan_idx;
-
- nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS],
- rem_freq) {
- nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
- nla_data(nl_freq), nla_len(nl_freq),
- freq_policy);
- if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
- continue;
-
- mode->channels[idx].freq = nla_get_u32(
- tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
- mode->channels[idx].flag = 0;
-
- /* mode is not set */
- if (mode->mode >= NUM_HOSTAPD_MODES) {
- /* crude heuristic */
- if (mode->channels[idx].freq < 4000)
- mode->mode = HOSTAPD_MODE_IEEE80211B;
- else if (mode->channels[idx].freq > 50000)
- mode->mode = HOSTAPD_MODE_IEEE80211AD;
- else
- mode->mode = HOSTAPD_MODE_IEEE80211A;
- }
-
- switch (mode->mode) {
- case HOSTAPD_MODE_IEEE80211AD:
- mode->channels[idx].chan =
- (mode->channels[idx].freq - 56160) /
- 2160;
- break;
- case HOSTAPD_MODE_IEEE80211A:
- mode->channels[idx].chan =
- mode->channels[idx].freq / 5 - 1000;
- break;
- case HOSTAPD_MODE_IEEE80211B:
- case HOSTAPD_MODE_IEEE80211G:
- if (mode->channels[idx].freq == 2484)
- mode->channels[idx].chan = 14;
- else
- mode->channels[idx].chan =
- (mode->channels[idx].freq -
- 2407) / 5;
- break;
- default:
- break;
- }
-
- if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
- mode->channels[idx].flag |=
- HOSTAPD_CHAN_DISABLED;
- if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
- mode->channels[idx].flag |=
- HOSTAPD_CHAN_PASSIVE_SCAN;
- if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
- mode->channels[idx].flag |=
- HOSTAPD_CHAN_NO_IBSS;
- if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
- mode->channels[idx].flag |= HOSTAPD_CHAN_RADAR;
-
- if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
- !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
- mode->channels[idx].max_tx_power =
- nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]) / 100;
-
- idx++;
- }
- phy_info->last_chan_idx = idx;
- }
-
- if (tb_band[NL80211_BAND_ATTR_RATES]) {
- nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES],
- rem_rate) {
- nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
- nla_data(nl_rate), nla_len(nl_rate),
- rate_policy);
- if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
- continue;
- mode->num_rates++;
- }
-
- mode->rates = os_calloc(mode->num_rates, sizeof(int));
- if (!mode->rates)
- return NL_SKIP;
-
- idx = 0;
-
- nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES],
- rem_rate) {
- nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
- nla_data(nl_rate), nla_len(nl_rate),
- rate_policy);
- if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
- continue;
- mode->rates[idx] = nla_get_u32(
- tb_rate[NL80211_BITRATE_ATTR_RATE]);
-
- /* crude heuristic */
- if (mode->mode == HOSTAPD_MODE_IEEE80211B &&
- mode->rates[idx] > 200)
- mode->mode = HOSTAPD_MODE_IEEE80211G;
-
- idx++;
- }
- }
+ phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
+ tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
+ tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
+ tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
+ phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
+ tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
+ ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
+ if (ret != NL_OK)
+ return ret;
+ ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
+ if (ret != NL_OK)
+ return ret;
return NL_OK;
}
projects / thirdparty / hostap.git / commitdiff
