* struct ieee80211_iface_combination - possible interface combination
*
* With this structure the driver can describe which interface
- * combinations it supports concurrently.
+ * combinations it supports concurrently. When set in a struct wiphy_radio,
+ * the combinations refer to combinations of interfaces currently active on
+ * that radio.
*
* Examples:
*
int n_akm_suites;
};
+/**
+ * struct wiphy_radio_freq_range - wiphy frequency range
+ * @start_freq: start range edge frequency (kHz)
+ * @end_freq: end range edge frequency (kHz)
+ */
+struct wiphy_radio_freq_range {
+ u32 start_freq;
+ u32 end_freq;
+};
+
+
+/**
+ * struct wiphy_radio - physical radio of a wiphy
+ * This structure describes a physical radio belonging to a wiphy.
+ * It is used to describe concurrent-channel capabilities. Only one channel
+ * can be active on the radio described by struct wiphy_radio.
+ *
+ * @freq_range: frequency range that the radio can operate on.
+ * @n_freq_range: number of elements in @freq_range
+ *
+ * @iface_combinations: Valid interface combinations array, should not
+ * list single interface types.
+ * @n_iface_combinations: number of entries in @iface_combinations array.
+ */
+struct wiphy_radio {
+ const struct wiphy_radio_freq_range *freq_range;
+ int n_freq_range;
+
+ const struct ieee80211_iface_combination *iface_combinations;
+ int n_iface_combinations;
+};
+
#define CFG80211_HW_TIMESTAMP_ALL_PEERS 0xffff
/**
* A value of %CFG80211_HW_TIMESTAMP_ALL_PEERS indicates the driver
* supports enabling HW timestamping for all peers (i.e. no need to
* specify a mac address).
+ *
+ * @radio: radios belonging to this wiphy
+ * @n_radio: number of radios
*/
struct wiphy {
struct mutex mtx;
u16 hw_timestamp_max_peers;
+ int n_radio;
+ const struct wiphy_radio *radio;
+
char priv[] __aligned(NETDEV_ALIGN);
};
* @NL80211_ATTR_INTERFACE_COMBINATIONS: Nested attribute listing the supported
* interface combinations. In each nested item, it contains attributes
* defined in &enum nl80211_if_combination_attrs.
+ * If the wiphy uses multiple radios (@NL80211_ATTR_WIPHY_RADIOS is set),
+ * this attribute contains the interface combinations of the first radio.
+ * See @NL80211_ATTR_WIPHY_INTERFACE_COMBINATIONS for the global wiphy
+ * combinations for the sum of all radios.
* @NL80211_ATTR_SOFTWARE_IFTYPES: Nested attribute (just like
* %NL80211_ATTR_SUPPORTED_IFTYPES) containing the interface types that
* are managed in software: interfaces of these types aren't subject to
* %NL80211_CMD_ASSOCIATE indicating the SPP A-MSDUs
* are used on this connection
*
+ * @NL80211_ATTR_WIPHY_RADIOS: Nested attribute describing physical radios
+ * belonging to this wiphy. See &enum nl80211_wiphy_radio_attrs.
+ *
+ * @NL80211_ATTR_WIPHY_INTERFACE_COMBINATIONS: Nested attribute listing the
+ * supported interface combinations for all radios combined. In each
+ * nested item, it contains attributes defined in
+ * &enum nl80211_if_combination_attrs.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
NL80211_ATTR_ASSOC_SPP_AMSDU,
+ NL80211_ATTR_WIPHY_RADIOS,
+ NL80211_ATTR_WIPHY_INTERFACE_COMBINATIONS,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
NL80211_AP_SETTINGS_SA_QUERY_OFFLOAD_SUPPORT = 1 << 1,
};
+/**
+ * enum nl80211_wiphy_radio_attrs - wiphy radio attributes
+ *
+ * @__NL80211_WIPHY_RADIO_ATTR_INVALID: Invalid
+ *
+ * @NL80211_WIPHY_RADIO_ATTR_INDEX: Index of this radio (u32)
+ * @NL80211_WIPHY_RADIO_ATTR_FREQ_RANGE: Frequency range supported by this
+ * radio. Attribute may be present multiple times.
+ * @NL80211_WIPHY_RADIO_ATTR_INTERFACE_COMBINATION: Supported interface
+ * combination for this radio. Attribute may be present multiple times
+ * and contains attributes defined in &enum nl80211_if_combination_attrs.
+ *
+ * @__NL80211_WIPHY_RADIO_ATTR_LAST: Internal
+ * @NL80211_WIPHY_RADIO_ATTR_MAX: Highest attribute
+ */
+enum nl80211_wiphy_radio_attrs {
+ __NL80211_WIPHY_RADIO_ATTR_INVALID,
+
+ NL80211_WIPHY_RADIO_ATTR_INDEX,
+ NL80211_WIPHY_RADIO_ATTR_FREQ_RANGE,
+ NL80211_WIPHY_RADIO_ATTR_INTERFACE_COMBINATION,
+
+ /* keep last */
+ __NL80211_WIPHY_RADIO_ATTR_LAST,
+ NL80211_WIPHY_RADIO_ATTR_MAX = __NL80211_WIPHY_RADIO_ATTR_LAST - 1,
+};
+
+/**
+ * enum nl80211_wiphy_radio_freq_range - wiphy radio frequency range
+ *
+ * @__NL80211_WIPHY_RADIO_FREQ_ATTR_INVALID: Invalid
+ *
+ * @NL80211_WIPHY_RADIO_FREQ_ATTR_START: Frequency range start (u32).
+ * The unit is kHz.
+ * @NL80211_WIPHY_RADIO_FREQ_ATTR_END: Frequency range end (u32).
+ * The unit is kHz.
+ *
+ * @__NL80211_WIPHY_RADIO_FREQ_ATTR_LAST: Internal
+ * @NL80211_WIPHY_RADIO_FREQ_ATTR_MAX: Highest attribute
+ */
+enum nl80211_wiphy_radio_freq_range {
+ __NL80211_WIPHY_RADIO_FREQ_ATTR_INVALID,
+
+ NL80211_WIPHY_RADIO_FREQ_ATTR_START,
+ NL80211_WIPHY_RADIO_FREQ_ATTR_END,
+
+ __NL80211_WIPHY_RADIO_FREQ_ATTR_LAST,
+ NL80211_WIPHY_RADIO_FREQ_ATTR_MAX = __NL80211_WIPHY_RADIO_FREQ_ATTR_LAST - 1,
+};
+
#endif /* __LINUX_NL80211_H */
}
static int nl80211_put_ifcomb_data(struct sk_buff *msg, bool large, int idx,
- const struct ieee80211_iface_combination *c)
+ const struct ieee80211_iface_combination *c,
+ u16 nested)
{
struct nlattr *nl_combi, *nl_limits;
int i;
- nl_combi = nla_nest_start_noflag(msg, idx);
+ nl_combi = nla_nest_start_noflag(msg, idx | nested);
if (!nl_combi)
goto nla_put_failure;
- nl_limits = nla_nest_start_noflag(msg, NL80211_IFACE_COMB_LIMITS);
+ nl_limits = nla_nest_start_noflag(msg, NL80211_IFACE_COMB_LIMITS |
+ nested);
if (!nl_limits)
goto nla_put_failure;
static int nl80211_put_iface_combinations(struct wiphy *wiphy,
struct sk_buff *msg,
- bool large)
+ int attr, int radio,
+ bool large, u16 nested)
{
+ const struct ieee80211_iface_combination *c;
struct nlattr *nl_combis;
- int i;
+ int i, n;
- nl_combis = nla_nest_start_noflag(msg,
- NL80211_ATTR_INTERFACE_COMBINATIONS);
+ nl_combis = nla_nest_start_noflag(msg, attr | nested);
if (!nl_combis)
goto nla_put_failure;
- for (i = 0; i < wiphy->n_iface_combinations; i++)
- if (nl80211_put_ifcomb_data(msg, large, i + 1,
- &wiphy->iface_combinations[i]))
+ if (radio >= 0) {
+ c = wiphy->radio[0].iface_combinations;
+ n = wiphy->radio[0].n_iface_combinations;
+ } else {
+ c = wiphy->iface_combinations;
+ n = wiphy->n_iface_combinations;
+ }
+ for (i = 0; i < n; i++)
+ if (nl80211_put_ifcomb_data(msg, large, i + 1, &c[i], nested))
goto nla_put_failure;
nla_nest_end(msg, nl_combis);
return -ENOBUFS;
}
+static int nl80211_put_radio(struct wiphy *wiphy, struct sk_buff *msg, int idx)
+{
+ const struct wiphy_radio *r = &wiphy->radio[idx];
+ struct nlattr *radio, *freq;
+ int i;
+
+ radio = nla_nest_start(msg, idx);
+ if (!radio)
+ return -ENOBUFS;
+
+ if (nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_INDEX, idx))
+ goto nla_put_failure;
+
+ for (i = 0; i < r->n_freq_range; i++) {
+ const struct wiphy_radio_freq_range *range = &r->freq_range[i];
+
+ freq = nla_nest_start(msg, NL80211_WIPHY_RADIO_ATTR_FREQ_RANGE);
+ if (!freq)
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_WIPHY_RADIO_FREQ_ATTR_START,
+ range->start_freq) ||
+ nla_put_u32(msg, NL80211_WIPHY_RADIO_FREQ_ATTR_END,
+ range->end_freq))
+ goto nla_put_failure;
+
+ nla_nest_end(msg, freq);
+ }
+
+ for (i = 0; i < r->n_iface_combinations; i++)
+ if (nl80211_put_ifcomb_data(msg, true,
+ NL80211_WIPHY_RADIO_ATTR_INTERFACE_COMBINATION,
+ &r->iface_combinations[i],
+ NLA_F_NESTED))
+ goto nla_put_failure;
+
+ nla_nest_end(msg, radio);
+
+ return 0;
+
+nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int nl80211_put_radios(struct wiphy *wiphy, struct sk_buff *msg)
+{
+ struct nlattr *radios;
+ int i;
+
+ if (!wiphy->n_radio)
+ return 0;
+
+ radios = nla_nest_start(msg, NL80211_ATTR_WIPHY_RADIOS);
+ if (!radios)
+ return -ENOBUFS;
+
+ for (i = 0; i < wiphy->n_radio; i++)
+ if (nl80211_put_radio(wiphy, msg, i))
+ goto fail;
+
+ nla_nest_end(msg, radios);
+
+ if (nl80211_put_iface_combinations(wiphy, msg,
+ NL80211_ATTR_WIPHY_INTERFACE_COMBINATIONS,
+ -1, true, NLA_F_NESTED))
+ return -ENOBUFS;
+
+ return 0;
+
+fail:
+ nla_nest_cancel(msg, radios);
+ return -ENOBUFS;
+}
+
struct nl80211_dump_wiphy_state {
s64 filter_wiphy;
long start;
goto nla_put_failure;
if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
- state->split))
+ NL80211_ATTR_INTERFACE_COMBINATIONS,
+ rdev->wiphy.n_radio ? 0 : -1,
+ state->split, 0))
goto nla_put_failure;
state->split_start++;
rdev->wiphy.hw_timestamp_max_peers))
goto nla_put_failure;
+ state->split_start++;
+ break;
+ case 17:
+ if (nl80211_put_radios(&rdev->wiphy, msg))
+ goto nla_put_failure;
+
/* done */
state->split_start = 0;
break;
projects / linux-block.git / commitdiff