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authorArik Nemtsov <arik@wizery.com>2011-09-28 14:12:50 +0300
committerJohn W. Linville <linville@tuxdriver.com>2011-09-30 15:57:05 -0400
commit109086ce0b0f94760bdb0e8e2566ff8a2d673639 (patch)
tree217a3d18f203fe1cf8652f9b33c4ade1f61594c2 /include
parenta76011e2cbb6915f60488477311e0f269cee6496 (diff)
downloadlinux-109086ce0b0f94760bdb0e8e2566ff8a2d673639.tar.bz2
nl80211: support sending TDLS commands/frames
Add support for sending high-level TDLS commands and TDLS frames via NL80211_CMD_TDLS_OPER and NL80211_CMD_TDLS_MGMT, respectively. Add appropriate cfg80211 callbacks for lower level drivers. Add wiphy capability flags for TDLS support and advertise them via nl80211. Signed-off-by: Arik Nemtsov <arik@wizery.com> Cc: Kalyan C Gaddam <chakkal@iit.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/nl80211.h42
-rw-r--r--include/net/cfg80211.h17
2 files changed, 59 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index c73582fb9d20..a5ab23df5b17 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -506,6 +506,9 @@
* @NL80211_CMD_PMKSA_CANDIDATE: This is used as an event to inform userspace
* of PMKSA caching dandidates.
*
+ * @NL80211_CMD_TDLS_OPER: Perform a high-level TDLS command (e.g. link setup).
+ * @NL80211_CMD_TDLS_MGMT: Send a TDLS management frame.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -632,6 +635,9 @@ enum nl80211_commands {
NL80211_CMD_PMKSA_CANDIDATE,
+ NL80211_CMD_TDLS_OPER,
+ NL80211_CMD_TDLS_MGMT,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -1089,6 +1095,20 @@ enum nl80211_commands {
* This attribute is used with %NL80211_CMD_TRIGGER_SCAN and
* %NL80211_CMD_FRAME commands.
*
+ * @NL80211_ATTR_TDLS_ACTION: Low level TDLS action code (e.g. link setup
+ * request, link setup confirm, link teardown, etc.). Values are
+ * described in the TDLS (802.11z) specification.
+ * @NL80211_ATTR_TDLS_DIALOG_TOKEN: Non-zero token for uniquely identifying a
+ * TDLS conversation between two devices.
+ * @NL80211_ATTR_TDLS_OPERATION: High level TDLS operation; see
+ * &enum nl80211_tdls_operation, represented as a u8.
+ * @NL80211_ATTR_TDLS_SUPPORT: A flag indicating the device can operate
+ * as a TDLS peer sta.
+ * @NL80211_ATTR_TDLS_EXTERNAL_SETUP: The TDLS discovery/setup and teardown
+ * procedures should be performed by sending TDLS packets via
+ * %NL80211_CMD_TDLS_MGMT. Otherwise %NL80211_CMD_TDLS_OPER should be
+ * used for asking the driver to perform a TDLS operation.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1311,6 +1331,12 @@ enum nl80211_attrs {
NL80211_ATTR_TX_NO_CCK_RATE,
+ NL80211_ATTR_TDLS_ACTION,
+ NL80211_ATTR_TDLS_DIALOG_TOKEN,
+ NL80211_ATTR_TDLS_OPERATION,
+ NL80211_ATTR_TDLS_SUPPORT,
+ NL80211_ATTR_TDLS_EXTERNAL_SETUP,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -2604,4 +2630,20 @@ enum nl80211_pmksa_candidate_attr {
MAX_NL80211_PMKSA_CANDIDATE = NUM_NL80211_PMKSA_CANDIDATE - 1
};
+/**
+ * enum nl80211_tdls_operation - values for %NL80211_ATTR_TDLS_OPERATION
+ * @NL80211_TDLS_DISCOVERY_REQ: Send a TDLS discovery request
+ * @NL80211_TDLS_SETUP: Setup TDLS link
+ * @NL80211_TDLS_TEARDOWN: Teardown a TDLS link which is already established
+ * @NL80211_TDLS_ENABLE_LINK: Enable TDLS link
+ * @NL80211_TDLS_DISABLE_LINK: Disable TDLS link
+ */
+enum nl80211_tdls_operation {
+ NL80211_TDLS_DISCOVERY_REQ,
+ NL80211_TDLS_SETUP,
+ NL80211_TDLS_TEARDOWN,
+ NL80211_TDLS_ENABLE_LINK,
+ NL80211_TDLS_DISABLE_LINK,
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 34b8f269976b..74f4f85be32f 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1422,6 +1422,9 @@ struct cfg80211_gtk_rekey_data {
* @set_ringparam: Set tx and rx ring sizes.
*
* @get_ringparam: Get tx and rx ring current and maximum sizes.
+ *
+ * @tdls_mgmt: Transmit a TDLS management frame.
+ * @tdls_oper: Perform a high-level TDLS operation (e.g. TDLS link setup).
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -1605,6 +1608,12 @@ struct cfg80211_ops {
int (*set_rekey_data)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_gtk_rekey_data *data);
+
+ int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
+ u8 *peer, u8 action_code, u8 dialog_token,
+ u16 status_code, const u8 *buf, size_t len);
+ int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
+ u8 *peer, enum nl80211_tdls_operation oper);
};
/*
@@ -1657,6 +1666,12 @@ struct cfg80211_ops {
* @WIPHY_FLAG_SUPPORTS_FW_ROAM: The device supports roaming feature in the
* firmware.
* @WIPHY_FLAG_AP_UAPSD: The device supports uapsd on AP.
+ * @WIPHY_FLAG_SUPPORTS_TDLS: The device supports TDLS (802.11z) operation.
+ * @WIPHY_FLAG_TDLS_EXTERNAL_SETUP: The device does not handle TDLS (802.11z)
+ * link setup/discovery operations internally. Setup, discovery and
+ * teardown packets should be sent through the @NL80211_CMD_TDLS_MGMT
+ * command. When this flag is not set, @NL80211_CMD_TDLS_OPER should be
+ * used for asking the driver/firmware to perform a TDLS operation.
*/
enum wiphy_flags {
WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0),
@@ -1673,6 +1688,8 @@ enum wiphy_flags {
WIPHY_FLAG_ENFORCE_COMBINATIONS = BIT(12),
WIPHY_FLAG_SUPPORTS_FW_ROAM = BIT(13),
WIPHY_FLAG_AP_UAPSD = BIT(14),
+ WIPHY_FLAG_SUPPORTS_TDLS = BIT(15),
+ WIPHY_FLAG_TDLS_EXTERNAL_SETUP = BIT(16),
};
/**