summaryrefslogtreecommitdiffstats
path: root/net/wireless/nl80211.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c783
1 files changed, 729 insertions, 54 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b5978ab4ad7a..580ffeaef3d5 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -19,6 +19,7 @@
#include <net/genetlink.h>
#include <net/cfg80211.h>
#include <net/sock.h>
+#include <net/inet_connection_sock.h>
#include "core.h"
#include "nl80211.h"
#include "reg.h"
@@ -367,6 +368,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
[NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
[NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
+ [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
};
/* policy for the key attributes */
@@ -399,6 +402,26 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
+ [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
+};
+
+static const struct nla_policy
+nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
+ [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
+ [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
+ [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
+ [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
+ [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
+ [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
+ [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
+ .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
+ },
+ [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
+ .len = sizeof(struct nl80211_wowlan_tcp_data_token)
+ },
+ [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
+ [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
+ [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
};
/* policy for GTK rekey offload attributes */
@@ -531,8 +554,27 @@ static int nl80211_msg_put_channel(struct sk_buff *msg,
if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
goto nla_put_failure;
- if ((chan->flags & IEEE80211_CHAN_RADAR) &&
- nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
+ if (chan->flags & IEEE80211_CHAN_RADAR) {
+ u32 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
+ if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
+ goto nla_put_failure;
+ if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
+ chan->dfs_state))
+ goto nla_put_failure;
+ if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, time))
+ goto nla_put_failure;
+ }
+ if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
goto nla_put_failure;
if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
@@ -872,6 +914,48 @@ nla_put_failure:
return -ENOBUFS;
}
+#ifdef CONFIG_PM
+static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
+ struct sk_buff *msg)
+{
+ const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp;
+ struct nlattr *nl_tcp;
+
+ if (!tcp)
+ return 0;
+
+ nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
+ if (!nl_tcp)
+ return -ENOBUFS;
+
+ if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+ tcp->data_payload_max))
+ return -ENOBUFS;
+
+ if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+ tcp->data_payload_max))
+ return -ENOBUFS;
+
+ if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
+ return -ENOBUFS;
+
+ if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
+ sizeof(*tcp->tok), tcp->tok))
+ return -ENOBUFS;
+
+ if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
+ tcp->data_interval_max))
+ return -ENOBUFS;
+
+ if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
+ tcp->wake_payload_max))
+ return -ENOBUFS;
+
+ nla_nest_end(msg, nl_tcp);
+ return 0;
+}
+#endif
+
static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags,
struct cfg80211_registered_device *dev)
{
@@ -1238,12 +1322,17 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag
dev->wiphy.wowlan.pattern_min_len,
.max_pattern_len =
dev->wiphy.wowlan.pattern_max_len,
+ .max_pkt_offset =
+ dev->wiphy.wowlan.max_pkt_offset,
};
if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
sizeof(pat), &pat))
goto nla_put_failure;
}
+ if (nl80211_send_wowlan_tcp_caps(dev, msg))
+ goto nla_put_failure;
+
nla_nest_end(msg, nl_wowlan);
}
#endif
@@ -1276,6 +1365,15 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag
dev->wiphy.max_acl_mac_addrs))
goto nla_put_failure;
+ if (dev->wiphy.extended_capabilities &&
+ (nla_put(msg, NL80211_ATTR_EXT_CAPA,
+ dev->wiphy.extended_capabilities_len,
+ dev->wiphy.extended_capabilities) ||
+ nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
+ dev->wiphy.extended_capabilities_len,
+ dev->wiphy.extended_capabilities_mask)))
+ goto nla_put_failure;
+
return genlmsg_end(msg, hdr);
nla_put_failure:
@@ -2707,6 +2805,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_ap_settings params;
int err;
+ u8 radar_detect_width = 0;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
@@ -2825,9 +2924,19 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (!cfg80211_reg_can_beacon(&rdev->wiphy, &params.chandef))
return -EINVAL;
+ err = cfg80211_chandef_dfs_required(wdev->wiphy, &params.chandef);
+ if (err < 0)
+ return err;
+ if (err) {
+ radar_detect_width = BIT(params.chandef.width);
+ params.radar_required = true;
+ }
+
mutex_lock(&rdev->devlist_mtx);
- err = cfg80211_can_use_chan(rdev, wdev, params.chandef.chan,
- CHAN_MODE_SHARED);
+ err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
+ params.chandef.chan,
+ CHAN_MODE_SHARED,
+ radar_detect_width);
mutex_unlock(&rdev->devlist_mtx);
if (err)
@@ -3057,12 +3166,22 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
sinfo->inactive_time))
goto nla_put_failure;
- if ((sinfo->filled & STATION_INFO_RX_BYTES) &&
+ if ((sinfo->filled & (STATION_INFO_RX_BYTES |
+ STATION_INFO_RX_BYTES64)) &&
nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
- sinfo->rx_bytes))
+ (u32)sinfo->rx_bytes))
goto nla_put_failure;
- if ((sinfo->filled & STATION_INFO_TX_BYTES) &&
+ if ((sinfo->filled & (STATION_INFO_TX_BYTES |
+ NL80211_STA_INFO_TX_BYTES64)) &&
nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
+ (u32)sinfo->tx_bytes))
+ goto nla_put_failure;
+ if ((sinfo->filled & STATION_INFO_RX_BYTES64) &&
+ nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64,
+ sinfo->rx_bytes))
+ goto nla_put_failure;
+ if ((sinfo->filled & STATION_INFO_TX_BYTES64) &&
+ nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64,
sinfo->tx_bytes))
goto nla_put_failure;
if ((sinfo->filled & STATION_INFO_LLID) &&
@@ -3290,6 +3409,63 @@ static struct net_device *get_vlan(struct genl_info *info,
return ERR_PTR(ret);
}
+static struct nla_policy
+nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
+ [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
+ [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
+};
+
+static int nl80211_set_station_tdls(struct genl_info *info,
+ struct station_parameters *params)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct nlattr *tb[NL80211_STA_WME_MAX + 1];
+ struct nlattr *nla;
+ int err;
+
+ /* Can only set if TDLS ... */
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
+ return -EOPNOTSUPP;
+
+ /* ... with external setup is supported */
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
+ return -EOPNOTSUPP;
+
+ /* Dummy STA entry gets updated once the peer capabilities are known */
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
+ params->ht_capa =
+ nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
+ if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
+ params->vht_capa =
+ nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
+
+ /* parse WME attributes if present */
+ if (!info->attrs[NL80211_ATTR_STA_WME])
+ return 0;
+
+ nla = info->attrs[NL80211_ATTR_STA_WME];
+ err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
+ nl80211_sta_wme_policy);
+ if (err)
+ return err;
+
+ if (tb[NL80211_STA_WME_UAPSD_QUEUES])
+ params->uapsd_queues = nla_get_u8(
+ tb[NL80211_STA_WME_UAPSD_QUEUES]);
+ if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
+ return -EINVAL;
+
+ if (tb[NL80211_STA_WME_MAX_SP])
+ params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
+
+ if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
+ return -EINVAL;
+
+ params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
+
+ return 0;
+}
+
static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -3318,8 +3494,20 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
}
- if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL] ||
- info->attrs[NL80211_ATTR_HT_CAPABILITY])
+ if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
+ params.capability =
+ nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
+ params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
+ }
+
+ if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
+ params.ext_capab =
+ nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
+ params.ext_capab_len =
+ nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
+ }
+
+ if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
return -EINVAL;
if (!rdev->ops->change_station)
@@ -3388,6 +3576,13 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
/* reject other things that can't change */
if (params.supported_rates)
return -EINVAL;
+ if (info->attrs[NL80211_ATTR_STA_CAPABILITY])
+ return -EINVAL;
+ if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY])
+ return -EINVAL;
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY] ||
+ info->attrs[NL80211_ATTR_VHT_CAPABILITY])
+ return -EINVAL;
/* must be last in here for error handling */
params.vlan = get_vlan(info, rdev);
@@ -3403,13 +3598,29 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
* to change the flag.
*/
params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
- /* fall through */
+ /* Include parameters for TDLS peer (driver will check) */
+ err = nl80211_set_station_tdls(info, &params);
+ if (err)
+ return err;
+ /* disallow things sta doesn't support */
+ if (params.plink_action)
+ return -EINVAL;
+ if (params.local_pm)
+ return -EINVAL;
+ /* reject any changes other than AUTHORIZED or WME (for TDLS) */
+ if (params.sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
+ BIT(NL80211_STA_FLAG_WME)))
+ return -EINVAL;
+ break;
case NL80211_IFTYPE_ADHOC:
/* disallow things sta doesn't support */
if (params.plink_action)
return -EINVAL;
if (params.local_pm)
return -EINVAL;
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY] ||
+ info->attrs[NL80211_ATTR_VHT_CAPABILITY])
+ return -EINVAL;
/* reject any changes other than AUTHORIZED */
if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
return -EINVAL;
@@ -3420,6 +3631,13 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
if (params.supported_rates)
return -EINVAL;
+ if (info->attrs[NL80211_ATTR_STA_CAPABILITY])
+ return -EINVAL;
+ if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY])
+ return -EINVAL;
+ if (info->attrs[NL80211_ATTR_HT_CAPABILITY] ||
+ info->attrs[NL80211_ATTR_VHT_CAPABILITY])
+ return -EINVAL;
/*
* No special handling for TDLS here -- the userspace
* mesh code doesn't have this bug.
@@ -3444,12 +3662,6 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
return err;
}
-static struct nla_policy
-nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
- [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
- [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
-};
-
static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -3484,6 +3696,19 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
if (!params.aid || params.aid > IEEE80211_MAX_AID)
return -EINVAL;
+ if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
+ params.capability =
+ nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
+ params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
+ }
+
+ if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
+ params.ext_capab =
+ nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
+ params.ext_capab_len =
+ nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
+ }
+
if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
params.ht_capa =
nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
@@ -4977,6 +5202,54 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
return err;
}
+static int nl80211_start_radar_detection(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_chan_def chandef;
+ int err;
+
+ err = nl80211_parse_chandef(rdev, info, &chandef);
+ if (err)
+ return err;
+
+ if (wdev->cac_started)
+ return -EBUSY;
+
+ err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef);
+ if (err < 0)
+ return err;
+
+ if (err == 0)
+ return -EINVAL;
+
+ if (chandef.chan->dfs_state != NL80211_DFS_USABLE)
+ return -EINVAL;
+
+ if (!rdev->ops->start_radar_detection)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&rdev->devlist_mtx);
+ err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
+ chandef.chan, CHAN_MODE_SHARED,
+ BIT(chandef.width));
+ if (err)
+ goto err_locked;
+
+ err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
+ if (!err) {
+ wdev->channel = chandef.chan;
+ wdev->cac_started = true;
+ wdev->cac_start_time = jiffies;
+ }
+err_locked:
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return err;
+}
+
static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
u32 seq, int flags,
struct cfg80211_registered_device *rdev,
@@ -4987,6 +5260,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
const struct cfg80211_bss_ies *ies;
void *hdr;
struct nlattr *bss;
+ bool tsf = false;
ASSERT_WDEV_LOCK(wdev);
@@ -5010,22 +5284,24 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
rcu_read_lock();
ies = rcu_dereference(res->ies);
- if (ies && ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
- ies->len, ies->data)) {
- rcu_read_unlock();
- goto nla_put_failure;
+ if (ies) {
+ if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
+ goto fail_unlock_rcu;
+ tsf = true;
+ if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
+ ies->len, ies->data))
+ goto fail_unlock_rcu;
}
ies = rcu_dereference(res->beacon_ies);
- if (ies && ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
- ies->len, ies->data)) {
- rcu_read_unlock();
- goto nla_put_failure;
+ if (ies) {
+ if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
+ goto fail_unlock_rcu;
+ if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
+ ies->len, ies->data))
+ goto fail_unlock_rcu;
}
rcu_read_unlock();
- if (res->tsf &&
- nla_put_u64(msg, NL80211_BSS_TSF, res->tsf))
- goto nla_put_failure;
if (res->beacon_interval &&
nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
goto nla_put_failure;
@@ -5070,6 +5346,8 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
return genlmsg_end(msg, hdr);
+ fail_unlock_rcu:
+ rcu_read_unlock();
nla_put_failure:
genlmsg_cancel(msg, hdr);
return -EMSGSIZE;
@@ -6880,16 +7158,100 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
}
#ifdef CONFIG_PM
+static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
+ struct cfg80211_registered_device *rdev)
+{
+ struct nlattr *nl_pats, *nl_pat;
+ int i, pat_len;
+
+ if (!rdev->wowlan->n_patterns)
+ return 0;
+
+ nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
+ if (!nl_pats)
+ return -ENOBUFS;
+
+ for (i = 0; i < rdev->wowlan->n_patterns; i++) {
+ nl_pat = nla_nest_start(msg, i + 1);
+ if (!nl_pat)
+ return -ENOBUFS;
+ pat_len = rdev->wowlan->patterns[i].pattern_len;
+ if (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_put_u32(msg, NL80211_WOWLAN_PKTPAT_OFFSET,
+ rdev->wowlan->patterns[i].pkt_offset))
+ return -ENOBUFS;
+ nla_nest_end(msg, nl_pat);
+ }
+ nla_nest_end(msg, nl_pats);
+
+ return 0;
+}
+
+static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
+ struct cfg80211_wowlan_tcp *tcp)
+{
+ struct nlattr *nl_tcp;
+
+ if (!tcp)
+ return 0;
+
+ nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
+ if (!nl_tcp)
+ return -ENOBUFS;
+
+ if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
+ nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
+ nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
+ nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
+ nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
+ nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
+ tcp->payload_len, tcp->payload) ||
+ nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
+ tcp->data_interval) ||
+ nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
+ tcp->wake_len, tcp->wake_data) ||
+ nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
+ DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
+ return -ENOBUFS;
+
+ if (tcp->payload_seq.len &&
+ nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
+ sizeof(tcp->payload_seq), &tcp->payload_seq))
+ return -ENOBUFS;
+
+ if (tcp->payload_tok.len &&
+ nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
+ sizeof(tcp->payload_tok) + tcp->tokens_size,
+ &tcp->payload_tok))
+ return -ENOBUFS;
+
+ return 0;
+}
+
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;
+ u32 size = NLMSG_DEFAULT_SIZE;
- if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+ if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
+ !rdev->wiphy.wowlan.tcp)
return -EOPNOTSUPP;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (rdev->wowlan && rdev->wowlan->tcp) {
+ /* adjust size to have room for all the data */
+ size += rdev->wowlan->tcp->tokens_size +
+ rdev->wowlan->tcp->payload_len +
+ rdev->wowlan->tcp->wake_len +
+ rdev->wowlan->tcp->wake_len / 8;
+ }
+
+ msg = nlmsg_new(size, GFP_KERNEL);
if (!msg)
return -ENOMEM;
@@ -6920,31 +7282,12 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
(rdev->wowlan->rfkill_release &&
nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
goto nla_put_failure;
- 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;
+ if (nl80211_send_wowlan_patterns(msg, rdev))
+ 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;
- if (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))
- goto nla_put_failure;
- nla_nest_end(msg, nl_pat);
- }
- nla_nest_end(msg, nl_pats);
- }
+ if (nl80211_send_wowlan_tcp(msg, rdev->wowlan->tcp))
+ goto nla_put_failure;
nla_nest_end(msg, nl_wowlan);
}
@@ -6957,6 +7300,150 @@ nla_put_failure:
return -ENOBUFS;
}
+static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
+ struct nlattr *attr,
+ struct cfg80211_wowlan *trig)
+{
+ struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
+ struct cfg80211_wowlan_tcp *cfg;
+ struct nl80211_wowlan_tcp_data_token *tok = NULL;
+ struct nl80211_wowlan_tcp_data_seq *seq = NULL;
+ u32 size;
+ u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
+ int err, port;
+
+ if (!rdev->wiphy.wowlan.tcp)
+ return -EINVAL;
+
+ err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
+ nla_data(attr), nla_len(attr),
+ nl80211_wowlan_tcp_policy);
+ if (err)
+ return err;
+
+ if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
+ !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
+ !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
+ !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
+ !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
+ !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
+ !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
+ !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
+ return -EINVAL;
+
+ data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
+ if (data_size > rdev->wiphy.wowlan.tcp->data_payload_max)
+ return -EINVAL;
+
+ if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
+ rdev->wiphy.wowlan.tcp->data_interval_max)
+ return -EINVAL;
+
+ wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
+ if (wake_size > rdev->wiphy.wowlan.tcp->wake_payload_max)
+ return -EINVAL;
+
+ wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
+ if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
+ return -EINVAL;
+
+ if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
+ u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
+
+ tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
+ tokens_size = tokln - sizeof(*tok);
+
+ if (!tok->len || tokens_size % tok->len)
+ return -EINVAL;
+ if (!rdev->wiphy.wowlan.tcp->tok)
+ return -EINVAL;
+ if (tok->len > rdev->wiphy.wowlan.tcp->tok->max_len)
+ return -EINVAL;
+ if (tok->len < rdev->wiphy.wowlan.tcp->tok->min_len)
+ return -EINVAL;
+ if (tokens_size > rdev->wiphy.wowlan.tcp->tok->bufsize)
+ return -EINVAL;
+ if (tok->offset + tok->len > data_size)
+ return -EINVAL;
+ }
+
+ if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
+ seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
+ if (!rdev->wiphy.wowlan.tcp->seq)
+ return -EINVAL;
+ if (seq->len == 0 || seq->len > 4)
+ return -EINVAL;
+ if (seq->len + seq->offset > data_size)
+ return -EINVAL;
+ }
+
+ size = sizeof(*cfg);
+ size += data_size;
+ size += wake_size + wake_mask_size;
+ size += tokens_size;
+
+ cfg = kzalloc(size, GFP_KERNEL);
+ if (!cfg)
+ return -ENOMEM;
+ cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
+ cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
+ memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
+ ETH_ALEN);
+ if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
+ port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
+ else
+ port = 0;
+#ifdef CONFIG_INET
+ /* allocate a socket and port for it and use it */
+ err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
+ IPPROTO_TCP, &cfg->sock, 1);
+ if (err) {
+ kfree(cfg);
+ return err;
+ }
+ if (inet_csk_get_port(cfg->sock->sk, port)) {
+ sock_release(cfg->sock);
+ kfree(cfg);
+ return -EADDRINUSE;
+ }
+ cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
+#else
+ if (!port) {
+ kfree(cfg);
+ return -EINVAL;
+ }
+ cfg->src_port = port;
+#endif
+
+ cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
+ cfg->payload_len = data_size;
+ cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
+ memcpy((void *)cfg->payload,
+ nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
+ data_size);
+ if (seq)
+ cfg->payload_seq = *seq;
+ cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
+ cfg->wake_len = wake_size;
+ cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
+ memcpy((void *)cfg->wake_data,
+ nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
+ wake_size);
+ cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
+ data_size + wake_size;
+ memcpy((void *)cfg->wake_mask,
+ nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
+ wake_mask_size);
+ if (tok) {
+ cfg->tokens_size = tokens_size;
+ memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
+ }
+
+ trig->tcp = cfg;
+
+ return 0;
+}
+
static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -6967,7 +7454,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
int err, i;
bool prev_enabled = rdev->wowlan;
- if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
+ if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns &&
+ !rdev->wiphy.wowlan.tcp)
return -EOPNOTSUPP;
if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
@@ -7031,7 +7519,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
struct nlattr *pat;
int n_patterns = 0;
- int rem, pat_len, mask_len;
+ int rem, pat_len, mask_len, pkt_offset;
struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT];
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
@@ -7066,6 +7554,15 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
pat_len < wowlan->pattern_min_len)
goto error;
+ if (!pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET])
+ pkt_offset = 0;
+ else
+ pkt_offset = nla_get_u32(
+ pat_tb[NL80211_WOWLAN_PKTPAT_OFFSET]);
+ if (pkt_offset > wowlan->max_pkt_offset)
+ goto error;
+ new_triggers.patterns[i].pkt_offset = pkt_offset;
+
new_triggers.patterns[i].mask =
kmalloc(mask_len + pat_len, GFP_KERNEL);
if (!new_triggers.patterns[i].mask) {
@@ -7085,6 +7582,14 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
}
}
+ if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
+ err = nl80211_parse_wowlan_tcp(
+ rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
+ &new_triggers);
+ if (err)
+ goto error;
+ }
+
ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
if (!ntrig) {
err = -ENOMEM;
@@ -7102,6 +7607,9 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
for (i = 0; i < new_triggers.n_patterns; i++)
kfree(new_triggers.patterns[i].mask);
kfree(new_triggers.patterns);
+ if (new_triggers.tcp && new_triggers.tcp->sock)
+ sock_release(new_triggers.tcp->sock);
+ kfree(new_triggers.tcp);
return err;
}
#endif
@@ -7992,6 +8500,14 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_NETDEV |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_RADAR_DETECT,
+ .doit = nl80211_start_radar_detection,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
@@ -9189,6 +9705,57 @@ nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev,
}
void
+nl80211_radar_notify(struct cfg80211_registered_device *rdev,
+ struct cfg80211_chan_def *chandef,
+ enum nl80211_radar_event event,
+ struct net_device *netdev, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
+ goto nla_put_failure;
+
+ /* NOP and radar events don't need a netdev parameter */
+ if (netdev) {
+ struct wireless_dev *wdev = netdev->ieee80211_ptr;
+
+ if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
+ nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
+ goto nla_put_failure;
+ }
+
+ if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
+ goto nla_put_failure;
+
+ if (nl80211_send_chandef(msg, chandef))
+ goto nla_put_failure;
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
+void
nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
u32 num_packets, gfp_t gfp)
@@ -9323,6 +9890,114 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
}
EXPORT_SYMBOL(cfg80211_report_obss_beacon);
+#ifdef CONFIG_PM
+void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
+ struct cfg80211_wowlan_wakeup *wakeup,
+ gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct sk_buff *msg;
+ void *hdr;
+ int err, size = 200;
+
+ trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
+
+ if (wakeup)
+ size += wakeup->packet_present_len;
+
+ msg = nlmsg_new(size, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
+ if (!hdr)
+ goto free_msg;
+
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+ nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
+ goto free_msg;
+
+ if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+ wdev->netdev->ifindex))
+ goto free_msg;
+
+ if (wakeup) {
+ struct nlattr *reasons;
+
+ reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
+
+ if (wakeup->disconnect &&
+ nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
+ goto free_msg;
+ if (wakeup->magic_pkt &&
+ nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
+ goto free_msg;
+ if (wakeup->gtk_rekey_failure &&
+ nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
+ goto free_msg;
+ if (wakeup->eap_identity_req &&
+ nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
+ goto free_msg;
+ if (wakeup->four_way_handshake &&
+ nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
+ goto free_msg;
+ if (wakeup->rfkill_release &&
+ nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
+ goto free_msg;
+
+ if (wakeup->pattern_idx >= 0 &&
+ nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
+ wakeup->pattern_idx))
+ goto free_msg;
+
+ if (wakeup->tcp_match)
+ nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH);
+
+ if (wakeup->tcp_connlost)
+ nla_put_flag(msg,
+ NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST);
+
+ if (wakeup->tcp_nomoretokens)
+ nla_put_flag(msg,
+ NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS);
+
+ if (wakeup->packet) {
+ u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
+ u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
+
+ if (!wakeup->packet_80211) {
+ pkt_attr =
+ NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
+ len_attr =
+ NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
+ }
+
+ if (wakeup->packet_len &&
+ nla_put_u32(msg, len_attr, wakeup->packet_len))
+ goto free_msg;
+
+ if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
+ wakeup->packet))
+ goto free_msg;
+ }
+
+ nla_nest_end(msg, reasons);
+ }
+
+ err = genlmsg_end(msg, hdr);
+ if (err < 0)
+ goto free_msg;
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ free_msg:
+ nlmsg_free(msg);
+}
+EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
+#endif
+
void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
enum nl80211_tdls_operation oper,
u16 reason_code, gfp_t gfp)