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-rw-r--r--include/linux/nl80211.h99
-rw-r--r--include/net/cfg80211.h74
2 files changed, 171 insertions, 2 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index be8df57b789d..a75dea9c416e 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -420,6 +420,14 @@
* new station with the AUTHENTICATED flag unset and maybe change it later
* depending on the authentication result.
*
+ * @NL80211_CMD_GET_WOWLAN: get Wake-on-Wireless-LAN (WoWLAN) settings.
+ * @NL80211_CMD_SET_WOWLAN: set Wake-on-Wireless-LAN (WoWLAN) settings.
+ * Since wireless is more complex than wired ethernet, it supports
+ * various triggers. These triggers can be configured through this
+ * command with the %NL80211_ATTR_WOWLAN_TRIGGERS attribute. For
+ * more background information, see
+ * http://wireless.kernel.org/en/users/Documentation/WoWLAN.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -534,6 +542,9 @@ enum nl80211_commands {
NL80211_CMD_NEW_PEER_CANDIDATE,
+ NL80211_CMD_GET_WOWLAN,
+ NL80211_CMD_SET_WOWLAN,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -903,6 +914,13 @@ enum nl80211_commands {
* allows auth frames in a mesh to be passed to userspace for processing via
* the @NL80211_MESH_SETUP_USERSPACE_AUTH flag.
*
+ * @NL80211_ATTR_WOWLAN_SUPPORTED: indicates, as part of the wiphy capabilities,
+ * the supported WoWLAN triggers
+ * @NL80211_ATTR_WOWLAN_TRIGGERS: used by %NL80211_CMD_SET_WOWLAN to
+ * indicate which WoW triggers should be enabled. This is also
+ * used by %NL80211_CMD_GET_WOWLAN to get the currently enabled WoWLAN
+ * triggers.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1092,6 +1110,9 @@ enum nl80211_attrs {
NL80211_ATTR_SUPPORT_MESH_AUTH,
+ NL80211_ATTR_WOWLAN_TRIGGERS,
+ NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -2061,4 +2082,82 @@ enum nl80211_tx_power_setting {
NL80211_TX_POWER_FIXED,
};
+/**
+ * enum nl80211_wowlan_packet_pattern_attr - WoWLAN packet pattern attribute
+ * @__NL80211_WOWLAN_PKTPAT_INVALID: invalid number for nested attribute
+ * @NL80211_WOWLAN_PKTPAT_PATTERN: the pattern, values where the mask has
+ * a zero bit are ignored
+ * @NL80211_WOWLAN_PKTPAT_MASK: pattern mask, must be long enough to have
+ * a bit for each byte in the pattern. The lowest-order bit corresponds
+ * to the first byte of the pattern, but the bytes of the pattern are
+ * in a little-endian-like format, i.e. the 9th byte of the pattern
+ * corresponds to the lowest-order bit in the second byte of the mask.
+ * For example: The match 00:xx:00:00:xx:00:00:00:00:xx:xx:xx (where
+ * xx indicates "don't care") would be represented by a pattern of
+ * twelve zero bytes, and a mask of "0xed,0x07".
+ * Note that the pattern matching is done as though frames were not
+ * 802.11 frames but 802.3 frames, i.e. the frame is fully unpacked
+ * first (including SNAP header unpacking) and then matched.
+ * @NUM_NL80211_WOWLAN_PKTPAT: number of attributes
+ * @MAX_NL80211_WOWLAN_PKTPAT: max attribute number
+ */
+enum nl80211_wowlan_packet_pattern_attr {
+ __NL80211_WOWLAN_PKTPAT_INVALID,
+ NL80211_WOWLAN_PKTPAT_MASK,
+ NL80211_WOWLAN_PKTPAT_PATTERN,
+
+ NUM_NL80211_WOWLAN_PKTPAT,
+ MAX_NL80211_WOWLAN_PKTPAT = NUM_NL80211_WOWLAN_PKTPAT - 1,
+};
+
+/**
+ * struct nl80211_wowlan_pattern_support - pattern support information
+ * @max_patterns: maximum number of patterns supported
+ * @min_pattern_len: minimum length of each pattern
+ * @max_pattern_len: maximum length of each pattern
+ *
+ * This struct is carried in %NL80211_WOWLAN_TRIG_PKT_PATTERN when
+ * that is part of %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED in the
+ * capability information given by the kernel to userspace.
+ */
+struct nl80211_wowlan_pattern_support {
+ __u32 max_patterns;
+ __u32 min_pattern_len;
+ __u32 max_pattern_len;
+} __attribute__((packed));
+
+/**
+ * enum nl80211_wowlan_triggers - WoWLAN trigger definitions
+ * @__NL80211_WOWLAN_TRIG_INVALID: invalid number for nested attributes
+ * @NL80211_WOWLAN_TRIG_ANY: wake up on any activity, do not really put
+ * the chip into a special state -- works best with chips that have
+ * support for low-power operation already (flag)
+ * @NL80211_WOWLAN_TRIG_DISCONNECT: wake up on disconnect, the way disconnect
+ * is detected is implementation-specific (flag)
+ * @NL80211_WOWLAN_TRIG_MAGIC_PKT: wake up on magic packet (6x 0xff, followed
+ * by 16 repetitions of MAC addr, anywhere in payload) (flag)
+ * @NL80211_WOWLAN_TRIG_PKT_PATTERN: wake up on the specified packet patterns
+ * which are passed in an array of nested attributes, each nested attribute
+ * defining a with attributes from &struct nl80211_wowlan_trig_pkt_pattern.
+ * Each pattern defines a wakeup packet. The matching is done on the MSDU,
+ * i.e. as though the packet was an 802.3 packet, so the pattern matching
+ * is done after the packet is converted to the MSDU.
+ *
+ * In %NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED, it is a binary attribute
+ * carrying a &struct nl80211_wowlan_pattern_support.
+ * @NUM_NL80211_WOWLAN_TRIG: number of wake on wireless triggers
+ * @MAX_NL80211_WOWLAN_TRIG: highest wowlan trigger attribute number
+ */
+enum nl80211_wowlan_triggers {
+ __NL80211_WOWLAN_TRIG_INVALID,
+ NL80211_WOWLAN_TRIG_ANY,
+ NL80211_WOWLAN_TRIG_DISCONNECT,
+ NL80211_WOWLAN_TRIG_MAGIC_PKT,
+ NL80211_WOWLAN_TRIG_PKT_PATTERN,
+
+ /* keep last */
+ NUM_NL80211_WOWLAN_TRIG,
+ MAX_NL80211_WOWLAN_TRIG = NUM_NL80211_WOWLAN_TRIG - 1
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 4932dfcb72b4..0920daf36807 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1088,6 +1088,38 @@ struct cfg80211_pmksa {
};
/**
+ * struct cfg80211_wowlan_trig_pkt_pattern - packet pattern
+ * @mask: bitmask where to match pattern and where to ignore bytes,
+ * one bit per byte, in same format as nl80211
+ * @pattern: bytes to match where bitmask is 1
+ * @pattern_len: length of pattern (in bytes)
+ *
+ * Internal note: @mask and @pattern are allocated in one chunk of
+ * memory, free @mask only!
+ */
+struct cfg80211_wowlan_trig_pkt_pattern {
+ u8 *mask, *pattern;
+ int pattern_len;
+};
+
+/**
+ * struct cfg80211_wowlan - Wake on Wireless-LAN support info
+ *
+ * This structure defines the enabled WoWLAN triggers for the device.
+ * @any: wake up on any activity -- special trigger if device continues
+ * operating as normal during suspend
+ * @disconnect: wake up if getting disconnected
+ * @magic_pkt: wake up on receiving magic packet
+ * @patterns: wake up on receiving packet matching a pattern
+ * @n_patterns: number of patterns
+ */
+struct cfg80211_wowlan {
+ bool any, disconnect, magic_pkt;
+ struct cfg80211_wowlan_trig_pkt_pattern *patterns;
+ int n_patterns;
+};
+
+/**
* struct cfg80211_ops - backend description for wireless configuration
*
* This struct is registered by fullmac card drivers and/or wireless stacks
@@ -1100,7 +1132,9 @@ struct cfg80211_pmksa {
* wireless extensions but this is subject to reevaluation as soon as this
* code is used more widely and we have a first user without wext.
*
- * @suspend: wiphy device needs to be suspended
+ * @suspend: wiphy device needs to be suspended. The variable @wow will
+ * be %NULL or contain the enabled Wake-on-Wireless triggers that are
+ * configured for the device.
* @resume: wiphy device needs to be resumed
*
* @add_virtual_intf: create a new virtual interface with the given name,
@@ -1244,7 +1278,7 @@ struct cfg80211_pmksa {
* @get_ringparam: Get tx and rx ring current and maximum sizes.
*/
struct cfg80211_ops {
- int (*suspend)(struct wiphy *wiphy);
+ int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
int (*resume)(struct wiphy *wiphy);
struct net_device * (*add_virtual_intf)(struct wiphy *wiphy,
@@ -1480,6 +1514,38 @@ struct ieee80211_txrx_stypes {
};
/**
+ * enum wiphy_wowlan_support_flags - WoWLAN support flags
+ * @WIPHY_WOWLAN_ANY: supports wakeup for the special "any"
+ * trigger that keeps the device operating as-is and
+ * wakes up the host on any activity, for example a
+ * received packet that passed filtering; note that the
+ * packet should be preserved in that case
+ * @WIPHY_WOWLAN_MAGIC_PKT: supports wakeup on magic packet
+ * (see nl80211.h)
+ * @WIPHY_WOWLAN_DISCONNECT: supports wakeup on disconnect
+ */
+enum wiphy_wowlan_support_flags {
+ WIPHY_WOWLAN_ANY = BIT(0),
+ WIPHY_WOWLAN_MAGIC_PKT = BIT(1),
+ WIPHY_WOWLAN_DISCONNECT = BIT(2),
+};
+
+/**
+ * struct wiphy_wowlan_support - WoWLAN support data
+ * @flags: see &enum wiphy_wowlan_support_flags
+ * @n_patterns: number of supported wakeup patterns
+ * (see nl80211.h for the pattern definition)
+ * @pattern_max_len: maximum length of each pattern
+ * @pattern_min_len: minimum length of each pattern
+ */
+struct wiphy_wowlan_support {
+ u32 flags;
+ int n_patterns;
+ int pattern_max_len;
+ int pattern_min_len;
+};
+
+/**
* struct wiphy - wireless hardware description
* @reg_notifier: the driver's regulatory notification callback,
* note that if your driver uses wiphy_apply_custom_regulatory()
@@ -1546,6 +1612,8 @@ struct ieee80211_txrx_stypes {
*
* @max_remain_on_channel_duration: Maximum time a remain-on-channel operation
* may request, if implemented.
+ *
+ * @wowlan: WoWLAN support information
*/
struct wiphy {
/* assign these fields before you register the wiphy */
@@ -1583,6 +1651,8 @@ struct wiphy {
char fw_version[ETHTOOL_BUSINFO_LEN];
u32 hw_version;
+ struct wiphy_wowlan_support wowlan;
+
u16 max_remain_on_channel_duration;
u8 max_num_pmkids;