diff options
| -rw-r--r-- | include/linux/nl80211.h | 99 | ||||
| -rw-r--r-- | include/net/cfg80211.h | 74 | ||||
| -rw-r--r-- | net/mac80211/cfg.c | 3 | ||||
| -rw-r--r-- | net/wireless/core.c | 8 | ||||
| -rw-r--r-- | net/wireless/core.h | 14 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 243 | ||||
| -rw-r--r-- | net/wireless/sysfs.c | 2 |
7 files changed, 439 insertions, 4 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index be8df57b789..a75dea9c416 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 4932dfcb72b..0920daf3680 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 12d52cec951..321d598eb8c 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 bbf1fa11107..bea0d80710c 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 26a0a084e16..7a18c10a7fb 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 ab77f943dc0..0a199a1ca9b 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 4294fa22bb2..c6e4ca6a7d2 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(); } |