nl802154: add support for dump phy capabilities

This patch add support to nl802154 to dump all phy capabilities which is
inside the wpan_phy_supported struct. Also we introduce a new method to
dumping supported channels. The new method will offer a easier interface
and has lesser netlink traffic.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/include/net/nl802154.h b/include/net/nl802154.h
index 055277156eef..0badebd1de7f 100644
--- a/include/net/nl802154.h
+++ b/include/net/nl802154.h
@@ -100,6 +100,8 @@ enum nl802154_attrs {
 
         NL802154_ATTR_EXTENDED_ADDR,
 
+        NL802154_ATTR_WPAN_PHY_CAPS,
+
         /* add attributes here, update the policy in nl802154.c */
 
         __NL802154_ATTR_AFTER_LAST,
@@ -120,6 +122,61 @@ enum nl802154_iftype {
 };
 
 /**
+ * enum nl802154_wpan_phy_capability_attr - wpan phy capability attributes
+ *
+ * @__NL802154_CAP_ATTR_INVALID: attribute number 0 is reserved
+ * @NL802154_CAP_ATTR_CHANNELS: a nested attribute for nl802154_channel_attr
+ * @NL802154_CAP_ATTR_TX_POWERS: a nested attribute for
+ *      nl802154_wpan_phy_tx_power
+ * @NL802154_CAP_ATTR_MIN_CCA_ED_LEVEL: minimum value for cca_ed_level
+ * @NL802154_CAP_ATTR_MAX_CCA_ED_LEVEL: maxmimum value for cca_ed_level
+ * @NL802154_CAP_ATTR_CCA_MODES: nl802154_cca_modes flags
+ * @NL802154_CAP_ATTR_CCA_OPTS: nl802154_cca_opts flags
+ * @NL802154_CAP_ATTR_MIN_MINBE: minimum of minbe value
+ * @NL802154_CAP_ATTR_MAX_MINBE: maximum of minbe value
+ * @NL802154_CAP_ATTR_MIN_MAXBE: minimum of maxbe value
+ * @NL802154_CAP_ATTR_MAX_MINBE: maximum of maxbe value
+ * @NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS: minimum of csma backoff value
+ * @NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS: maximum of csma backoffs value
+ * @NL802154_CAP_ATTR_MIN_FRAME_RETRIES: minimum of frame retries value
+ * @NL802154_CAP_ATTR_MAX_FRAME_RETRIES: maximum of frame retries value
+ * @NL802154_CAP_ATTR_IFTYPES: nl802154_iftype flags
+ * @NL802154_CAP_ATTR_LBT: nl802154_supported_bool_states flags
+ * @NL802154_CAP_ATTR_MAX: highest cap attribute currently defined
+ * @__NL802154_CAP_ATTR_AFTER_LAST: internal use
+ */
+enum nl802154_wpan_phy_capability_attr {
+        __NL802154_CAP_ATTR_INVALID,
+
+        NL802154_CAP_ATTR_IFTYPES,
+
+        NL802154_CAP_ATTR_CHANNELS,
+        NL802154_CAP_ATTR_TX_POWERS,
+
+        NL802154_CAP_ATTR_CCA_ED_LEVELS,
+        NL802154_CAP_ATTR_CCA_MODES,
+        NL802154_CAP_ATTR_CCA_OPTS,
+
+        NL802154_CAP_ATTR_MIN_MINBE,
+        NL802154_CAP_ATTR_MAX_MINBE,
+
+        NL802154_CAP_ATTR_MIN_MAXBE,
+        NL802154_CAP_ATTR_MAX_MAXBE,
+
+        NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS,
+        NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS,
+
+        NL802154_CAP_ATTR_MIN_FRAME_RETRIES,
+        NL802154_CAP_ATTR_MAX_FRAME_RETRIES,
+
+        NL802154_CAP_ATTR_LBT,
+
+        /* keep last */
+        __NL802154_CAP_ATTR_AFTER_LAST,
+        NL802154_CAP_ATTR_MAX = __NL802154_CAP_ATTR_AFTER_LAST - 1
+};
+
+/**
  * enum nl802154_cca_modes - cca modes
  *
  * @__NL802154_CCA_INVALID: cca mode number 0 is reserved