7 files changed, 439 insertions, 4 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;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 12d52cec9515..321d598eb8cb 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1297,7 +1297,8 @@ static int ieee80211_set_channel(struct wiphy *wiphy,
 }
 
 #ifdef CONFIG_PM
-static int ieee80211_suspend(struct wiphy *wiphy)
+static int ieee80211_suspend(struct wiphy *wiphy,
+                             struct cfg80211_wowlan *wowlan)
 {
         return __ieee80211_suspend(wiphy_priv(wiphy));
 }
diff --git a/net/wireless/core.c b/net/wireless/core.c
index bbf1fa11107a..bea0d80710c8 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -493,6 +493,13 @@ int wiphy_register(struct wiphy *wiphy)
                 return -EINVAL;
         }
 
+        if (rdev->wiphy.wowlan.n_patterns) {
+                if (WARN_ON(!rdev->wiphy.wowlan.pattern_min_len ||
+                            rdev->wiphy.wowlan.pattern_min_len >
+                            rdev->wiphy.wowlan.pattern_max_len))
+                        return -EINVAL;
+        }
+
         /* check and set up bitrates */
         ieee80211_set_bitrate_flags(wiphy);
 
@@ -631,6 +638,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
         mutex_destroy(&rdev->devlist_mtx);
         list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list)
                 cfg80211_put_bss(&scan->pub);
+        cfg80211_rdev_free_wowlan(rdev);
         kfree(rdev);
 }
 
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 26a0a084e16b..7a18c10a7fb6 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -70,6 +70,8 @@ struct cfg80211_registered_device {
         struct work_struct conn_work;
         struct work_struct event_work;
 
+        struct cfg80211_wowlan *wowlan;
+
         /* must be last because of the way we do wiphy_priv(),
          * and it should at least be aligned to NETDEV_ALIGN */
         struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
@@ -89,6 +91,18 @@ bool wiphy_idx_valid(int wiphy_idx)
         return wiphy_idx >= 0;
 }
 
+static inline void
+cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
+{
+        int i;
+
+        if (!rdev->wowlan)
+                return;
+        for (i = 0; i < rdev->wowlan->n_patterns; i++)
+                kfree(rdev->wowlan->patterns[i].mask);
+        kfree(rdev->wowlan->patterns);
+        kfree(rdev->wowlan);
+}
 
 extern struct workqueue_struct *cfg80211_wq;
 extern struct mutex cfg80211_mutex;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ab77f943dc04..0a199a1ca9b6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -173,6 +173,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
         [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
         [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
         [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
+        [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
 };
 
 /* policy for the key attributes */
@@ -194,6 +195,15 @@ nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
         [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
 };
 
+/* policy for WoWLAN attributes */
+static const struct nla_policy
+nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
+        [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
+        [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
+        [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
+        [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
+};
+
 /* ifidx get helper */
 static int nl80211_get_ifidx(struct netlink_callback *cb)
 {
@@ -821,6 +831,35 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                 nla_nest_end(msg, nl_ifs);
         }
 
+        if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
+                struct nlattr *nl_wowlan;
+
+                nl_wowlan = nla_nest_start(msg,
+                                NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
+                if (!nl_wowlan)
+                        goto nla_put_failure;
+
+                if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY)
+                        NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
+                if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT)
+                        NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
+                if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT)
+                        NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+                if (dev->wiphy.wowlan.n_patterns) {
+                        struct nl80211_wowlan_pattern_support pat = {
+                                .max_patterns = dev->wiphy.wowlan.n_patterns,
+                                .min_pattern_len =
+                                        dev->wiphy.wowlan.pattern_min_len,
+                                .max_pattern_len =
+                                        dev->wiphy.wowlan.pattern_max_len,
+                        };
+                        NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
+                                sizeof(pat), &pat);
+                }
+
+                nla_nest_end(msg, nl_wowlan);
+        }
+
         return genlmsg_end(msg, hdr);
 
  nla_put_failure:
@@ -4808,6 +4847,194 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
         return cfg80211_leave_mesh(rdev, dev);
 }
 
+static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
+{
+        struct cfg80211_registered_device *rdev = info->user_ptr[0];
+        struct sk_buff *msg;
+        void *hdr;
+
+        if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+                return -EOPNOTSUPP;
+
+        msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+        if (!msg)
+                return -ENOMEM;
+
+        hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+                             NL80211_CMD_GET_WOWLAN);
+        if (!hdr)
+                goto nla_put_failure;
+
+        if (rdev->wowlan) {
+                struct nlattr *nl_wowlan;
+
+                nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
+                if (!nl_wowlan)
+                        goto nla_put_failure;
+
+                if (rdev->wowlan->any)
+                        NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY);
+                if (rdev->wowlan->disconnect)
+                        NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT);
+                if (rdev->wowlan->magic_pkt)
+                        NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT);
+                if (rdev->wowlan->n_patterns) {
+                        struct nlattr *nl_pats, *nl_pat;
+                        int i, pat_len;
+
+                        nl_pats = nla_nest_start(msg,
+                                        NL80211_WOWLAN_TRIG_PKT_PATTERN);
+                        if (!nl_pats)
+                                goto nla_put_failure;
+
+                        for (i = 0; i < rdev->wowlan->n_patterns; i++) {
+                                nl_pat = nla_nest_start(msg, i + 1);
+                                if (!nl_pat)
+                                        goto nla_put_failure;
+                                pat_len = rdev->wowlan->patterns[i].pattern_len;
+                                NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK,
+                                        DIV_ROUND_UP(pat_len, 8),
+                                        rdev->wowlan->patterns[i].mask);
+                                NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN,
+                                        pat_len,
+                                        rdev->wowlan->patterns[i].pattern);
+                                nla_nest_end(msg, nl_pat);
+                        }
+                        nla_nest_end(msg, nl_pats);
+                }
+
+                nla_nest_end(msg, nl_wowlan);
+        }
+
+        genlmsg_end(msg, hdr);
+        return genlmsg_reply(msg, info);
+
+nla_put_failure:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+
+static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
+{
+        struct cfg80211_registered_device *rdev = info->user_ptr[0];
+        struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
+        struct cfg80211_wowlan no_triggers = {};
+        struct cfg80211_wowlan new_triggers = {};
+        struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
+        int err, i;
+
+        if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+                return -EOPNOTSUPP;
+
+        if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS])
+                goto no_triggers;
+
+        err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
+                        nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
+                        nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
+                        nl80211_wowlan_policy);
+        if (err)
+                return err;
+
+        if (tb[NL80211_WOWLAN_TRIG_ANY]) {
+                if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
+                        return -EINVAL;
+                new_triggers.any = true;
+        }
+
+        if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
+                if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
+                        return -EINVAL;
+                new_triggers.disconnect = true;
+        }
+
+        if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
+                if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
+                        return -EINVAL;
+                new_triggers.magic_pkt = true;
+        }
+
+        if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
+                struct nlattr *pat;
+                int n_patterns = 0;
+                int rem, pat_len, mask_len;
+                struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
+
+                nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
+                                    rem)
+                        n_patterns++;
+                if (n_patterns > wowlan->n_patterns)
+                        return -EINVAL;
+
+                new_triggers.patterns = kcalloc(n_patterns,
+                                                sizeof(new_triggers.patterns[0]),
+                                                GFP_KERNEL);
+                if (!new_triggers.patterns)
+                        return -ENOMEM;
+
+                new_triggers.n_patterns = n_patterns;
+                i = 0;
+
+                nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
+                                    rem) {
+                        nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT,
+                                  nla_data(pat), nla_len(pat), NULL);
+                        err = -EINVAL;
+                        if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] ||
+                            !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN])
+                                goto error;
+                        pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]);
+                        mask_len = DIV_ROUND_UP(pat_len, 8);
+                        if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) !=
+                            mask_len)
+                                goto error;
+                        if (pat_len > wowlan->pattern_max_len ||
+                            pat_len < wowlan->pattern_min_len)
+                                goto error;
+
+                        new_triggers.patterns[i].mask =
+                                kmalloc(mask_len + pat_len, GFP_KERNEL);
+                        if (!new_triggers.patterns[i].mask) {
+                                err = -ENOMEM;
+                                goto error;
+                        }
+                        new_triggers.patterns[i].pattern =
+                                new_triggers.patterns[i].mask + mask_len;
+                        memcpy(new_triggers.patterns[i].mask,
+                               nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]),
+                               mask_len);
+                        new_triggers.patterns[i].pattern_len = pat_len;
+                        memcpy(new_triggers.patterns[i].pattern,
+                               nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]),
+                               pat_len);
+                        i++;
+                }
+        }
+
+        if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) {
+                struct cfg80211_wowlan *ntrig;
+                ntrig = kmemdup(&new_triggers, sizeof(new_triggers),
+                                GFP_KERNEL);
+                if (!ntrig) {
+                        err = -ENOMEM;
+                        goto error;
+                }
+                cfg80211_rdev_free_wowlan(rdev);
+                rdev->wowlan = ntrig;
+        } else {
+ no_triggers:
+                cfg80211_rdev_free_wowlan(rdev);
+                rdev->wowlan = NULL;
+        }
+
+        return 0;
+ error:
+        for (i = 0; i < new_triggers.n_patterns; i++)
+                kfree(new_triggers.patterns[i].mask);
+        kfree(new_triggers.patterns);
+        return err;
+}
+
 #define NL80211_FLAG_NEED_WIPHY         0x01
 #define NL80211_FLAG_NEED_NETDEV        0x02
 #define NL80211_FLAG_NEED_RTNL          0x04
@@ -5306,6 +5533,22 @@ static struct genl_ops nl80211_ops[] = {
                 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
                                   NL80211_FLAG_NEED_RTNL,
         },
+        {
+                .cmd = NL80211_CMD_GET_WOWLAN,
+                .doit = nl80211_get_wowlan,
+                .policy = nl80211_policy,
+                /* can be retrieved by unprivileged users */
+                .internal_flags = NL80211_FLAG_NEED_WIPHY |
+                                  NL80211_FLAG_NEED_RTNL,
+        },
+        {
+                .cmd = NL80211_CMD_SET_WOWLAN,
+                .doit = nl80211_set_wowlan,
+                .policy = nl80211_policy,
+                .flags = GENL_ADMIN_PERM,
+                .internal_flags = NL80211_FLAG_NEED_WIPHY |
+                                  NL80211_FLAG_NEED_RTNL,
+        },
 };
 
 static struct genl_multicast_group nl80211_mlme_mcgrp = {
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 4294fa22bb2d..c6e4ca6a7d2e 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -93,7 +93,7 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
 
         if (rdev->ops->suspend) {
                 rtnl_lock();
-                ret = rdev->ops->suspend(&rdev->wiphy);
+                ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
                 rtnl_unlock();
         }