return nl80211_new(nls->nlctrl, cmd, flags);
}
-static int nl80211_phy_idx_from_uci_path(struct uci_section *s)
+static const char *nl80211_phy_path_str(const char *phyname)
{
- size_t linklen, pathlen;
- char buf[128], *link;
+ static char path[PATH_MAX];
+ const char *prefix = "/sys/devices/";
+ int prefix_len = strlen(prefix);
+ int buf_len, offset;
struct dirent *e;
- const char *path;
- int idx = -1;
+ char buf[128], *link;
+ int phy_id;
+ int seq = 0;
DIR *d;
- path = uci_lookup_option_string(uci_ctx, s, "path");
- if (!path)
- return -1;
+ if (strncmp(phyname, "phy", 3) != 0)
+ return NULL;
- if ((d = opendir("/sys/class/ieee80211")) != NULL)
- {
- while ((e = readdir(d)) != NULL)
- {
- snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/device", e->d_name);
+ phy_id = atoi(phyname + 3);
+ buf_len = snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/device", phyname);
+ link = realpath(buf, path);
+ if (!link)
+ return NULL;
- link = realpath(buf, NULL);
+ if (strncmp(link, prefix, prefix_len) != 0)
+ return NULL;
- if (link == NULL)
- continue;
+ link += prefix_len;
- linklen = strlen(link);
- pathlen = strlen(path);
+ prefix = "platform/";
+ prefix_len = strlen(prefix);
+ if (!strncmp(link, prefix, prefix_len) && strstr(link, "/pci"))
+ link += prefix_len;
- if (pathlen >= linklen || strcmp(link + (linklen - pathlen), path))
- linklen = 0;
+ snprintf(buf + buf_len, sizeof(buf) - buf_len, "/ieee80211");
+ d = opendir(buf);
+ if (!d)
+ return link;
- free(link);
+ while ((e = readdir(d)) != NULL) {
+ int cur_id;
- if (linklen == 0)
- continue;
+ if (strncmp(e->d_name, "phy", 3) != 0)
+ continue;
- snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", e->d_name);
+ cur_id = atoi(e->d_name + 3);
+ if (cur_id >= phy_id)
+ continue;
- idx = nl80211_readint(buf);
+ seq++;
+ }
- if (idx >= 0)
- break;
- }
+ closedir(d);
- closedir(d);
+ if (!seq)
+ return link;
+
+ offset = link - path + strlen(link);
+ snprintf(path + offset, sizeof(path) - offset, "+%d", seq);
+
+ return link;
+}
+
+static int nl80211_phy_idx_from_uci_path(struct uci_section *s)
+{
+ char buf[128];
+ struct dirent *e;
+ const char *path, *cur_path;
+ int idx = -1;
+ DIR *d;
+
+ path = uci_lookup_option_string(uci_ctx, s, "path");
+ if (!path)
+ return -1;
+
+ d = opendir("/sys/class/ieee80211");
+ if (!d)
+ return -1;
+
+ while ((e = readdir(d)) != NULL) {
+ cur_path = nl80211_phy_path_str(e->d_name);
+ if (!cur_path)
+ continue;
+
+ if (strcmp(cur_path, path) != 0)
+ continue;
+
+ snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", e->d_name);
+ idx = nl80211_readint(buf);
+
+ if (idx >= 0)
+ break;
}
+ closedir(d);
+
return idx;
}
return (*buf == 0) ? -1 : 0;
}
+static int nl80211_get_center_freq1_cb(struct nl_msg *msg, void *arg)
+{
+ int *freq = arg;
+ struct nlattr **tb = nl80211_parse(msg);
+
+ if (tb[NL80211_ATTR_CENTER_FREQ1])
+ *freq = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_center_freq1(const char *ifname, int *buf)
+{
+ char *res;
+
+ /* try to find frequency from interface info */
+ res = nl80211_phy2ifname(ifname);
+ *buf = 0;
+
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_center_freq1_cb, buf);
+
+ return (*buf == 0) ? -1 : 0;
+}
+
+static int nl80211_get_center_freq2_cb(struct nl_msg *msg, void *arg)
+{
+ int *freq = arg;
+ struct nlattr **tb = nl80211_parse(msg);
+
+ if (tb[NL80211_ATTR_CENTER_FREQ2])
+ *freq = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_center_freq2(const char *ifname, int *buf)
+{
+ char *res;
+
+ /* try to find frequency from interface info */
+ res = nl80211_phy2ifname(ifname);
+ *buf = 0;
+
+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_center_freq2_cb, buf);
+
+ return (*buf == 0) ? -1 : 0;
+}
+
static int nl80211_get_channel(const char *ifname, int *buf)
{
if (!nl80211_get_frequency(ifname, buf))
return -1;
}
+static int nl80211_get_center_chan1(const char *ifname, int *buf)
+{
+ if (!nl80211_get_center_freq1(ifname, buf))
+ {
+ *buf = nl80211_freq2channel(*buf);
+ return 0;
+ }
+
+ return -1;
+}
+
+static int nl80211_get_center_chan2(const char *ifname, int *buf)
+{
+ if (!nl80211_get_center_freq2(ifname, buf))
+ {
+ *buf = nl80211_freq2channel(*buf);
+ return 0;
+ }
+
+ return -1;
+}
+
static int nl80211_get_txpower_cb(struct nl_msg *msg, void *arg)
{
int *buf = arg;
{ "WEP-40", IWINFO_CIPHER_WEP40 },
{ "NONE", IWINFO_CIPHER_NONE },
{ "TKIP", IWINFO_CIPHER_TKIP },
- { "CCMP", IWINFO_CIPHER_CCMP }
+ { "CCMP", IWINFO_CIPHER_CCMP },
+ { "GCMP", IWINFO_CIPHER_GCMP }
};
-static void parse_wpa_ciphers(const char *str, uint8_t *ciphers)
+static void parse_wpa_ciphers(const char *str, uint16_t *ciphers)
{
int i;
size_t l;
else if (ri[NL80211_RATE_INFO_BITRATE])
re->rate = nla_get_u16(ri[NL80211_RATE_INFO_BITRATE]) * 100;
- if (ri[NL80211_RATE_INFO_VHT_MCS])
+ if (ri[NL80211_RATE_INFO_HE_MCS])
+ {
+ re->is_he = 1;
+ re->mcs = nla_get_u8(ri[NL80211_RATE_INFO_HE_MCS]);
+
+ if (ri[NL80211_RATE_INFO_HE_NSS])
+ re->nss = nla_get_u8(ri[NL80211_RATE_INFO_HE_NSS]);
+ if (ri[NL80211_RATE_INFO_HE_GI])
+ re->he_gi = nla_get_u8(ri[NL80211_RATE_INFO_HE_GI]);
+ if (ri[NL80211_RATE_INFO_HE_DCM])
+ re->he_dcm = nla_get_u8(ri[NL80211_RATE_INFO_HE_DCM]);
+ }
+ else if (ri[NL80211_RATE_INFO_VHT_MCS])
{
re->is_vht = 1;
re->mcs = nla_get_u8(ri[NL80211_RATE_INFO_VHT_MCS]);
iwinfo_parse_rsn(&e->crypto, ie + 6, ie[1] - 4,
IWINFO_CIPHER_TKIP, IWINFO_KMGMT_PSK);
break;
+ case 61: /* HT oeration */
+ if (ie[1] >= 3) {
+ e->ht_chan_info.primary_chan = ie[2];
+ e->ht_chan_info.secondary_chan_off = ie[3] & 0x3;
+ e->ht_chan_info.chan_width = (ie[4] & 0x4)>>2;
+ }
+ break;
+ case 192: /* VHT operation */
+ if (ie[1] >= 3) {
+ e->vht_chan_info.chan_width = ie[2];
+ e->vht_chan_info.center_chan_1 = ie[3];
+ e->vht_chan_info.center_chan_2 = ie[4];
+ }
+ break;
}
ielen -= ie[1] + 2;
bool ok;
uint32_t hw;
uint32_t ht;
+
+ uint32_t nl_freq;
+ uint16_t nl_ht;
+ uint32_t nl_vht;
+ uint16_t he_phy_cap[6];
};
+static int nl80211_eval_modelist(struct nl80211_modes *m)
+{
+ /* Treat any nonzero capability as 11n */
+ if (m->nl_ht > 0)
+ {
+ m->hw |= IWINFO_80211_N;
+ m->ht |= IWINFO_HTMODE_HT20;
+
+ if (m->nl_ht & (1 << 1))
+ m->ht |= IWINFO_HTMODE_HT40;
+ }
+
+ if (m->he_phy_cap[0] != 0) {
+ m->hw |= IWINFO_80211_AX;
+ m->ht |= IWINFO_HTMODE_HE20;
+
+ if (m->he_phy_cap[0] & BIT(9))
+ m->ht |= IWINFO_HTMODE_HE40;
+ if (m->he_phy_cap[0] & BIT(10))
+ m->ht |= IWINFO_HTMODE_HE40 | IWINFO_HTMODE_HE80;
+ if (m->he_phy_cap[0] & BIT(11))
+ m->ht |= IWINFO_HTMODE_HE160;
+ if (m->he_phy_cap[0] & BIT(12))
+ m->ht |= IWINFO_HTMODE_HE160 | IWINFO_HTMODE_HE80_80;
+ }
+
+ if (m->nl_freq < 2485)
+ {
+ m->hw |= IWINFO_80211_B;
+ m->hw |= IWINFO_80211_G;
+ }
+ else if (m->nl_vht)
+ {
+ /* Treat any nonzero capability as 11ac */
+ if (m->nl_vht > 0)
+ {
+ m->hw |= IWINFO_80211_AC;
+ m->ht |= IWINFO_HTMODE_VHT20 | IWINFO_HTMODE_VHT40 | IWINFO_HTMODE_VHT80;
+
+ switch ((m->nl_vht >> 2) & 3)
+ {
+ case 2:
+ m->ht |= IWINFO_HTMODE_VHT80_80;
+ /* fall through */
+
+ case 1:
+ m->ht |= IWINFO_HTMODE_VHT160;
+ }
+ }
+ }
+ else if (m->nl_freq >= 56160)
+ {
+ m->hw |= IWINFO_80211_AD;
+ }
+ else if (!(m->hw & IWINFO_80211_AC))
+ {
+ m->hw |= IWINFO_80211_A;
+ }
+}
+
static int nl80211_get_modelist_cb(struct nl_msg *msg, void *arg)
{
struct nl80211_modes *m = arg;
nla_data(band), nla_len(band), NULL);
if (bands[NL80211_BAND_ATTR_HT_CAPA])
- caps = nla_get_u16(bands[NL80211_BAND_ATTR_HT_CAPA]);
-
- /* Treat any nonzero capability as 11n */
- if (caps > 0)
- {
- m->hw |= IWINFO_80211_N;
- m->ht |= IWINFO_HTMODE_HT20;
-
- if (caps & (1 << 1))
- m->ht |= IWINFO_HTMODE_HT40;
+ m->nl_ht = nla_get_u16(bands[NL80211_BAND_ATTR_HT_CAPA]);
+
+ if (bands[NL80211_BAND_ATTR_VHT_CAPA])
+ m->nl_vht = nla_get_u32(bands[NL80211_BAND_ATTR_VHT_CAPA]);
+
+ if (bands[NL80211_BAND_ATTR_IFTYPE_DATA]) {
+ struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
+ struct nlattr *nl_iftype;
+ int rem_band;
+ int len;
+
+ nla_for_each_nested(nl_iftype, bands[NL80211_BAND_ATTR_IFTYPE_DATA], rem_band) {
+ nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
+ nla_data(nl_iftype), nla_len(nl_iftype), NULL);
+ if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
+ len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
+
+ if (len > sizeof(m->he_phy_cap) - 1)
+ len = sizeof(m->he_phy_cap) - 1;
+ memcpy(&((__u8 *)m->he_phy_cap)[1],
+ nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
+ len);
+ }
+ }
}
- nla_for_each_nested(freq, bands[NL80211_BAND_ATTR_FREQS],
- freqs_remain)
- {
- nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
- nla_data(freq), nla_len(freq), NULL);
-
- if (!freqs[NL80211_FREQUENCY_ATTR_FREQ])
- continue;
-
- if (nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]) < 2485)
- {
- m->hw |= IWINFO_80211_B;
- m->hw |= IWINFO_80211_G;
- }
- else if (bands[NL80211_BAND_ATTR_VHT_CAPA])
+ if (bands[NL80211_BAND_ATTR_FREQS]) {
+ nla_for_each_nested(freq, bands[NL80211_BAND_ATTR_FREQS],
+ freqs_remain)
{
- vht_caps = nla_get_u32(bands[NL80211_BAND_ATTR_VHT_CAPA]);
+ nla_parse(freqs, NL80211_FREQUENCY_ATTR_MAX,
+ nla_data(freq), nla_len(freq), NULL);
- /* Treat any nonzero capability as 11ac */
- if (vht_caps > 0)
- {
- m->hw |= IWINFO_80211_AC;
- m->ht |= IWINFO_HTMODE_VHT20 | IWINFO_HTMODE_VHT40 | IWINFO_HTMODE_VHT80;
-
- switch ((vht_caps >> 2) & 3)
- {
- case 2:
- m->ht |= IWINFO_HTMODE_VHT80_80;
- /* fall through */
-
- case 1:
- m->ht |= IWINFO_HTMODE_VHT160;
- }
- }
- }
- else if (nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]) >= 56160)
- {
- m->hw |= IWINFO_80211_AD;
- }
- else if (!(m->hw & IWINFO_80211_AC))
- {
- m->hw |= IWINFO_80211_A;
+ if (!freqs[NL80211_FREQUENCY_ATTR_FREQ])
+ continue;
+
+ m->nl_freq = nla_get_u32(freqs[NL80211_FREQUENCY_ATTR_FREQ]);
}
}
}
static int nl80211_get_hwmodelist(const char *ifname, int *buf)
{
- struct nl80211_modes m = { 0 };
+ struct nl80211_msg_conveyor *cv;
+ struct nl80211_modes m = {};
+ uint32_t features = nl80211_get_protocol_features(ifname);
+ int flags;
- if (nl80211_request(ifname, NL80211_CMD_GET_WIPHY, 0,
- nl80211_get_modelist_cb, &m))
+ flags = features & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP ? NLM_F_DUMP : 0;
+ cv = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, flags);
+ if (!cv)
goto out;
- if (!m.ok)
- goto out;
+ NLA_PUT_FLAG(cv->msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+ if (nl80211_send(cv, nl80211_get_modelist_cb, &m))
+ goto nla_put_failure;
+
+ nl80211_eval_modelist(&m);
*buf = m.hw;
+
return 0;
+nla_put_failure:
+ nl80211_free(cv);
out:
- *buf = 0;
return -1;
}
+struct chan_info {
+ int width;
+ int mode;
+};
+
+static int nl80211_get_htmode_cb(struct nl_msg *msg, void *arg)
+{
+ struct nlattr **tb = nl80211_parse(msg);
+ struct nlattr *cur;
+ struct chan_info *chn = arg;
+
+ if ((cur = tb[NL80211_ATTR_CHANNEL_WIDTH]))
+ chn->width = nla_get_u32(cur);
+
+ if ((cur = tb[NL80211_ATTR_BSS_HT_OPMODE]))
+ chn->mode = nla_get_u32(cur);
+
+ return NL_SKIP;
+}
+
+static int nl80211_get_htmode(const char *ifname, int *buf)
+{
+ struct chan_info chn = { .width = 0, .mode = 0 };
+ char *res;
+ int err;
+
+ res = nl80211_phy2ifname(ifname);
+ *buf = 0;
+
+ err = nl80211_request(res ? res : ifname,
+ NL80211_CMD_GET_INTERFACE, 0,
+ nl80211_get_htmode_cb, &chn);
+ if (err)
+ return -1;
+
+ switch (chn.width) {
+ case NL80211_CHAN_WIDTH_20:
+ if (chn.mode == -1)
+ *buf = IWINFO_HTMODE_VHT20;
+ else
+ *buf = IWINFO_HTMODE_HT20;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ if (chn.mode == -1)
+ *buf = IWINFO_HTMODE_VHT40;
+ else
+ *buf = IWINFO_HTMODE_HT40;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ *buf = IWINFO_HTMODE_VHT80;
+ break;
+ case NL80211_CHAN_WIDTH_80P80:
+ *buf = IWINFO_HTMODE_VHT80_80;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ *buf = IWINFO_HTMODE_VHT160;
+ break;
+ case NL80211_CHAN_WIDTH_5:
+ case NL80211_CHAN_WIDTH_10:
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ *buf = IWINFO_HTMODE_NOHT;
+ break;
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
static int nl80211_get_htmodelist(const char *ifname, int *buf)
{
- struct nl80211_modes m = { 0 };
+ struct nl80211_msg_conveyor *cv;
+ struct nl80211_modes m = {};
+ uint32_t features = nl80211_get_protocol_features(ifname);
+ int flags;
- if (nl80211_request(ifname, NL80211_CMD_GET_WIPHY, 0,
- nl80211_get_modelist_cb, &m))
+ flags = features & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP ? NLM_F_DUMP : 0;
+ cv = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, flags);
+ if (!cv)
goto out;
- if (!m.ok)
- goto out;
+ NLA_PUT_FLAG(cv->msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+ if (nl80211_send(cv, nl80211_get_modelist_cb, &m))
+ goto nla_put_failure;
+
+ nl80211_eval_modelist(&m);
*buf = m.ht;
+
return 0;
+nla_put_failure:
+ nl80211_free(cv);
out:
- *buf = 0;
return -1;
}
return 0;
}
+static int nl80211_hardware_id_from_fdt(struct iwinfo_hardware_id *id, const char *ifname)
+{
+ char *phy, compat[64], path[PATH_MAX];
+ int i;
+
+ /* Try to determine the phy name from the given interface */
+ phy = nl80211_ifname2phy(ifname);
+
+ snprintf(path, sizeof(path), "/sys/class/%s/%s/device/of_node/compatible",
+ phy ? "ieee80211" : "net", phy ? phy : ifname);
+
+ if (nl80211_readstr(path, compat, sizeof(compat)) <= 0)
+ return -1;
+
+ if (!strcmp(compat, "qca,ar9130-wmac")) {
+ id->vendor_id = 0x168c;
+ id->device_id = 0x0029;
+ id->subsystem_vendor_id = 0x168c;
+ id->subsystem_device_id = 0x9130;
+ } else if (!strcmp(compat, "qca,ar9330-wmac")) {
+ id->vendor_id = 0x168c;
+ id->device_id = 0x0030;
+ id->subsystem_vendor_id = 0x168c;
+ id->subsystem_device_id = 0x9330;
+ } else if (!strcmp(compat, "qca,ar9340-wmac")) {
+ id->vendor_id = 0x168c;
+ id->device_id = 0x0030;
+ id->subsystem_vendor_id = 0x168c;
+ id->subsystem_device_id = 0x9340;
+ } else if (!strcmp(compat, "qca,qca9530-wmac")) {
+ id->vendor_id = 0x168c;
+ id->device_id = 0x0033;
+ id->subsystem_vendor_id = 0x168c;
+ id->subsystem_device_id = 0x9530;
+ } else if (!strcmp(compat, "qca,qca9550-wmac")) {
+ id->vendor_id = 0x168c;
+ id->device_id = 0x0033;
+ id->subsystem_vendor_id = 0x168c;
+ id->subsystem_device_id = 0x9550;
+ } else if (!strcmp(compat, "qca,qca9560-wmac")) {
+ id->vendor_id = 0x168c;
+ id->device_id = 0x0033;
+ id->subsystem_vendor_id = 0x168c;
+ id->subsystem_device_id = 0x9560;
+ } else if (!strcmp(compat, "qcom,ipq4019-wifi")) {
+ id->vendor_id = 0x168c;
+ id->device_id = 0x003c;
+ id->subsystem_vendor_id = 0x168c;
+ id->subsystem_device_id = 0x4019;
+ } else if (!strcmp(compat, "mediatek,mt7622-wmac")) {
+ id->vendor_id = 0x14c3;
+ id->device_id = 0x7622;
+ id->subsystem_vendor_id = 0x14c3;
+ id->subsystem_device_id = 0x7622;
+ }
+ return (id->vendor_id && id->device_id) ? 0 : -1;
+}
+
+
static int nl80211_get_hardware_id(const char *ifname, char *buf)
{
struct iwinfo_hardware_id *id = (struct iwinfo_hardware_id *)buf;
*lookup[i].dest = strtoul(num, NULL, 16);
}
+ /* Failed to obtain hardware IDs, try FDT */
+ if (id->vendor_id == 0 || id->device_id == 0)
+ if (!nl80211_hardware_id_from_fdt(id, ifname))
+ return 0;
+
/* Failed to obtain hardware IDs, search board config */
if (id->vendor_id == 0 || id->device_id == 0)
return iwinfo_hardware_id_from_mtd(id);
return 0;
}
+static int nl80211_phy_path(const char *phyname, const char **path)
+{
+ if (strncmp(phyname, "phy", 3) != 0)
+ return -1;
+
+ if (strchr(phyname, '/'))
+ return -1;
+
+ *path = nl80211_phy_path_str(phyname);
+ if (!*path)
+ return -1;
+
+ return 0;
+}
+
const struct iwinfo_ops nl80211_ops = {
.name = "nl80211",
.probe = nl80211_probe,
.channel = nl80211_get_channel,
+ .center_chan1 = nl80211_get_center_chan1,
+ .center_chan2 = nl80211_get_center_chan2,
.frequency = nl80211_get_frequency,
.frequency_offset = nl80211_get_frequency_offset,
.txpower = nl80211_get_txpower,
.mbssid_support = nl80211_get_mbssid_support,
.hwmodelist = nl80211_get_hwmodelist,
.htmodelist = nl80211_get_htmodelist,
+ .htmode = nl80211_get_htmode,
.mode = nl80211_get_mode,
.ssid = nl80211_get_ssid,
.bssid = nl80211_get_bssid,
.countrylist = nl80211_get_countrylist,
.survey = nl80211_get_survey,
.lookup_phy = nl80211_lookup_phyname,
+ .phy_path = nl80211_phy_path,
.close = nl80211_close
};
projects / project / iwinfo.git / blobdiff