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-rw-r--r--net/wireless/chan.c135
-rw-r--r--net/wireless/core.c8
-rw-r--r--net/wireless/core.h9
-rw-r--r--net/wireless/lib80211.c2
-rw-r--r--net/wireless/mlme.c14
-rw-r--r--net/wireless/nl80211.c517
-rw-r--r--net/wireless/radiotap.c1
-rw-r--r--net/wireless/reg.c329
-rw-r--r--net/wireless/scan.c585
-rw-r--r--net/wireless/sme.c2
-rw-r--r--net/wireless/util.c32
-rw-r--r--net/wireless/wext-compat.c2
12 files changed, 1365 insertions, 271 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 6a6f2f214c10..22d1779ab2b1 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -141,9 +141,62 @@ static bool cfg80211_edmg_chandef_valid(const struct cfg80211_chan_def *chandef)
return true;
}
+static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
+{
+ int mhz;
+
+ switch (chan_width) {
+ case NL80211_CHAN_WIDTH_1:
+ mhz = 1;
+ break;
+ case NL80211_CHAN_WIDTH_2:
+ mhz = 2;
+ break;
+ case NL80211_CHAN_WIDTH_4:
+ mhz = 4;
+ break;
+ case NL80211_CHAN_WIDTH_8:
+ mhz = 8;
+ break;
+ case NL80211_CHAN_WIDTH_16:
+ mhz = 16;
+ break;
+ case NL80211_CHAN_WIDTH_5:
+ mhz = 5;
+ break;
+ case NL80211_CHAN_WIDTH_10:
+ mhz = 10;
+ break;
+ case NL80211_CHAN_WIDTH_20:
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ mhz = 20;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ mhz = 40;
+ break;
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_80:
+ mhz = 80;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ mhz = 160;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ return -1;
+ }
+ return mhz;
+}
+
+static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
+{
+ return nl80211_chan_width_to_mhz(c->width);
+}
+
bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
{
- u32 control_freq;
+ u32 control_freq, oper_freq;
+ int oper_width, control_width;
if (!chandef->chan)
return false;
@@ -154,11 +207,6 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
control_freq = chandef->chan->center_freq;
switch (chandef->width) {
- case NL80211_CHAN_WIDTH_1:
- case NL80211_CHAN_WIDTH_2:
- case NL80211_CHAN_WIDTH_4:
- case NL80211_CHAN_WIDTH_8:
- case NL80211_CHAN_WIDTH_16:
case NL80211_CHAN_WIDTH_5:
case NL80211_CHAN_WIDTH_10:
case NL80211_CHAN_WIDTH_20:
@@ -169,6 +217,34 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
if (chandef->center_freq2)
return false;
break;
+ case NL80211_CHAN_WIDTH_1:
+ case NL80211_CHAN_WIDTH_2:
+ case NL80211_CHAN_WIDTH_4:
+ case NL80211_CHAN_WIDTH_8:
+ case NL80211_CHAN_WIDTH_16:
+ if (chandef->chan->band != NL80211_BAND_S1GHZ)
+ return false;
+
+ control_freq = ieee80211_channel_to_khz(chandef->chan);
+ oper_freq = ieee80211_chandef_to_khz(chandef);
+ control_width = nl80211_chan_width_to_mhz(
+ ieee80211_s1g_channel_width(
+ chandef->chan));
+ oper_width = cfg80211_chandef_get_width(chandef);
+
+ if (oper_width < 0 || control_width < 0)
+ return false;
+ if (chandef->center_freq2)
+ return false;
+
+ if (control_freq + MHZ_TO_KHZ(control_width) / 2 >
+ oper_freq + MHZ_TO_KHZ(oper_width) / 2)
+ return false;
+
+ if (control_freq - MHZ_TO_KHZ(control_width) / 2 <
+ oper_freq - MHZ_TO_KHZ(oper_width) / 2)
+ return false;
+ break;
case NL80211_CHAN_WIDTH_40:
if (chandef->center_freq1 != control_freq + 10 &&
chandef->center_freq1 != control_freq - 10)
@@ -264,53 +340,6 @@ static void chandef_primary_freqs(const struct cfg80211_chan_def *c,
}
}
-static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
-{
- int width;
-
- switch (c->width) {
- case NL80211_CHAN_WIDTH_1:
- width = 1;
- break;
- case NL80211_CHAN_WIDTH_2:
- width = 2;
- break;
- case NL80211_CHAN_WIDTH_4:
- width = 4;
- break;
- case NL80211_CHAN_WIDTH_8:
- width = 8;
- break;
- case NL80211_CHAN_WIDTH_16:
- width = 16;
- break;
- case NL80211_CHAN_WIDTH_5:
- width = 5;
- break;
- case NL80211_CHAN_WIDTH_10:
- width = 10;
- break;
- case NL80211_CHAN_WIDTH_20:
- case NL80211_CHAN_WIDTH_20_NOHT:
- width = 20;
- break;
- case NL80211_CHAN_WIDTH_40:
- width = 40;
- break;
- case NL80211_CHAN_WIDTH_80P80:
- case NL80211_CHAN_WIDTH_80:
- width = 80;
- break;
- case NL80211_CHAN_WIDTH_160:
- width = 160;
- break;
- default:
- WARN_ON_ONCE(1);
- return -1;
- }
- return width;
-}
-
const struct cfg80211_chan_def *
cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1,
const struct cfg80211_chan_def *c2)
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 354b0ccbdc24..9f23923e8d29 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -236,7 +236,9 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
rdev->opencount--;
if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
- if (WARN_ON(!rdev->scan_req->notified))
+ if (WARN_ON(!rdev->scan_req->notified &&
+ (!rdev->int_scan_req ||
+ !rdev->int_scan_req->notified)))
rdev->scan_req->info.aborted = true;
___cfg80211_scan_done(rdev, false);
}
@@ -1336,7 +1338,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
case NETDEV_DOWN:
cfg80211_update_iface_num(rdev, wdev->iftype, -1);
if (rdev->scan_req && rdev->scan_req->wdev == wdev) {
- if (WARN_ON(!rdev->scan_req->notified))
+ if (WARN_ON(!rdev->scan_req->notified &&
+ (!rdev->int_scan_req ||
+ !rdev->int_scan_req->notified)))
rdev->scan_req->info.aborted = true;
___cfg80211_scan_done(rdev, false);
}
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 67b0389fca4d..e1ec9ac8e608 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -3,7 +3,7 @@
* Wireless configuration interface internals.
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*/
#ifndef __NET_WIRELESS_CORE_H
#define __NET_WIRELESS_CORE_H
@@ -72,6 +72,7 @@ struct cfg80211_registered_device {
u32 bss_generation;
u32 bss_entries;
struct cfg80211_scan_request *scan_req; /* protected by RTNL */
+ struct cfg80211_scan_request *int_scan_req;
struct sk_buff *scan_msg;
struct list_head sched_scan_req_list;
time64_t suspend_at;
@@ -457,6 +458,8 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev);
bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
u32 center_freq_khz, u32 bw_khz);
+int cfg80211_scan(struct cfg80211_registered_device *rdev);
+
extern struct work_struct cfg80211_disconnect_work;
/**
@@ -466,8 +469,8 @@ extern struct work_struct cfg80211_disconnect_work;
*
* Checks if chandef is usable and we can/need start CAC on such channel.
*
- * Return: Return true if all channels available and at least
- * one channel require CAC (NL80211_DFS_USABLE)
+ * Return: true if all channels available and at least
+ * one channel requires CAC (NL80211_DFS_USABLE)
*/
bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef);
diff --git a/net/wireless/lib80211.c b/net/wireless/lib80211.c
index cc7b9fd5c166..d66a913027e0 100644
--- a/net/wireless/lib80211.c
+++ b/net/wireless/lib80211.c
@@ -26,8 +26,6 @@
#include <net/lib80211.h>
-#define DRV_NAME "lib80211"
-
#define DRV_DESCRIPTION "common routines for IEEE802.11 drivers"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index db7333e20dd7..0ac820780437 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -30,6 +30,15 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss,
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
struct cfg80211_connect_resp_params cr;
+ const u8 *resp_ie = mgmt->u.assoc_resp.variable;
+ size_t resp_ie_len = len - offsetof(struct ieee80211_mgmt,
+ u.assoc_resp.variable);
+
+ if (bss->channel->band == NL80211_BAND_S1GHZ) {
+ resp_ie = (u8 *)&mgmt->u.s1g_assoc_resp.variable;
+ resp_ie_len = len - offsetof(struct ieee80211_mgmt,
+ u.s1g_assoc_resp.variable);
+ }
memset(&cr, 0, sizeof(cr));
cr.status = (int)le16_to_cpu(mgmt->u.assoc_resp.status_code);
@@ -37,9 +46,8 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss,
cr.bss = bss;
cr.req_ie = req_ies;
cr.req_ie_len = req_ies_len;
- cr.resp_ie = mgmt->u.assoc_resp.variable;
- cr.resp_ie_len =
- len - offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
+ cr.resp_ie = resp_ie;
+ cr.resp_ie_len = resp_ie_len;
cr.timeout_reason = NL80211_TIMEOUT_UNSPECIFIED;
trace_cfg80211_send_rx_assoc(dev, bss);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7fd45f6ddb05..554796a6c6fe 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -209,14 +209,23 @@ static int validate_beacon_head(const struct nlattr *attr,
unsigned int len = nla_len(attr);
const struct element *elem;
const struct ieee80211_mgmt *mgmt = (void *)data;
- unsigned int fixedlen = offsetof(struct ieee80211_mgmt,
- u.beacon.variable);
+ bool s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control);
+ unsigned int fixedlen, hdrlen;
+
+ if (s1g_bcn) {
+ fixedlen = offsetof(struct ieee80211_ext,
+ u.s1g_beacon.variable);
+ hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon);
+ } else {
+ fixedlen = offsetof(struct ieee80211_mgmt,
+ u.beacon.variable);
+ hdrlen = offsetof(struct ieee80211_mgmt, u.beacon);
+ }
if (len < fixedlen)
goto err;
- if (ieee80211_hdrlen(mgmt->frame_control) !=
- offsetof(struct ieee80211_mgmt, u.beacon))
+ if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen)
goto err;
data += fixedlen;
@@ -320,6 +329,13 @@ he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
NLA_POLICY_RANGE(NLA_U8, 1, 20),
[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
NLA_POLICY_RANGE(NLA_U8, 1, 20),
+ [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
+ NLA_POLICY_RANGE(NLA_U8, 1, 20),
+ [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
+ NLA_POLICY_EXACT_LEN(8),
+ [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
+ NLA_POLICY_EXACT_LEN(8),
+ [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
};
static const struct nla_policy
@@ -336,6 +352,13 @@ static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
.len = NL80211_MAX_SUPP_HT_RATES },
[NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
[NL80211_TXRATE_GI] = { .type = NLA_U8 },
+ [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)),
+ [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8,
+ NL80211_RATE_INFO_HE_GI_0_8,
+ NL80211_RATE_INFO_HE_GI_3_2),
+ [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8,
+ NL80211_RATE_INFO_HE_1XLTF,
+ NL80211_RATE_INFO_HE_4XLTF),
};
static const struct nla_policy
@@ -360,6 +383,22 @@ nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
NLA_POLICY_NESTED(nl80211_txattr_policy),
};
+static const struct nla_policy
+nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = {
+ [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000),
+ [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000),
+ NLA_POLICY_RANGE(NLA_BINARY,
+ NL80211_FILS_DISCOVERY_TMPL_MIN_LEN,
+ IEEE80211_MAX_DATA_LEN),
+};
+
+static const struct nla_policy
+nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = {
+ [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20),
+ [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_DATA_LEN }
+};
+
static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
@@ -539,7 +578,10 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
[NL80211_ATTR_WDEV] = { .type = NLA_U64 },
[NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
- [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
+
+ /* need to include at least Auth Transaction and Status Code */
+ [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4),
+
[NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
[NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
[NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
@@ -561,23 +603,30 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
[NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
- [NL80211_ATTR_MAX_CRIT_PROT_DURATION] = { .type = NLA_U16 },
+ [NL80211_ATTR_MAX_CRIT_PROT_DURATION] =
+ NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION),
[NL80211_ATTR_PEER_AID] =
NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID),
[NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
[NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
[NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
- [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
- [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
- [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
- [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
+ [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY },
+ [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY },
+ [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2),
+ /*
+ * The value of the Length field of the Supported Operating
+ * Classes element is between 2 and 253.
+ */
+ [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] =
+ NLA_POLICY_RANGE(NLA_BINARY, 2, 253),
[NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
[NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
[NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
[NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
[NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
- [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
- .len = IEEE80211_QOS_MAP_LEN_MAX },
+ [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY,
+ IEEE80211_QOS_MAP_LEN_MIN,
+ IEEE80211_QOS_MAP_LEN_MAX),
[NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
[NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
@@ -625,15 +674,17 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
.len = FILS_ERP_MAX_RRK_LEN },
[NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
[NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
+ [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN),
[NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
[NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 },
[NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
[NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
- [NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
- .len = NL80211_HE_MAX_CAPABILITY_LEN },
-
+ [NL80211_ATTR_HE_CAPABILITY] =
+ NLA_POLICY_RANGE(NLA_BINARY,
+ NL80211_HE_MIN_CAPABILITY_LEN,
+ NL80211_HE_MAX_CAPABILITY_LEN),
[NL80211_ATTR_FTM_RESPONDER] =
NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
[NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
@@ -654,10 +705,16 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
[NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
[NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
- [NL80211_ATTR_HE_6GHZ_CAPABILITY] = {
- .type = NLA_EXACT_LEN,
- .len = sizeof(struct ieee80211_he_6ghz_capa),
- },
+ [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
+ NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
+ [NL80211_ATTR_FILS_DISCOVERY] =
+ NLA_POLICY_NESTED(nl80211_fils_discovery_policy),
+ [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] =
+ NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy),
+ [NL80211_ATTR_S1G_CAPABILITY] =
+ NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
+ [NL80211_ATTR_S1G_CAPABILITY_MASK] =
+ NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
};
/* policy for the key attributes */
@@ -703,7 +760,7 @@ nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
[NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
[NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
- [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
+ [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
.len = sizeof(struct nl80211_wowlan_tcp_data_seq)
},
@@ -711,8 +768,8 @@ nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
.len = sizeof(struct nl80211_wowlan_tcp_data_token)
},
[NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
- [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
- [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
+ [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
+ [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
};
#endif /* CONFIG_PM */
@@ -738,7 +795,7 @@ nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
.type = NLA_BINARY,
.len = NL80211_KCK_EXT_LEN
},
- [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN_WARN(NL80211_REPLAY_CTR_LEN),
+ [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN),
[NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
};
@@ -778,7 +835,8 @@ nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
/* policy for NAN function attributes */
static const struct nla_policy
nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
- [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
+ [NL80211_NAN_FUNC_TYPE] =
+ NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE),
[NL80211_NAN_FUNC_SERVICE_ID] = {
.len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
[NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
@@ -926,6 +984,8 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
if (!large && chan->flags &
(IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
return 0;
+ if (!large && chan->freq_offset)
+ return 0;
if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
chan->center_freq))
@@ -992,6 +1052,21 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
+ goto nla_put_failure;
}
if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
@@ -1603,7 +1678,8 @@ nl80211_send_iftype_data(struct sk_buff *msg,
}
static int nl80211_send_band_rateinfo(struct sk_buff *msg,
- struct ieee80211_supported_band *sband)
+ struct ieee80211_supported_band *sband,
+ bool large)
{
struct nlattr *nl_rates, *nl_rate;
struct ieee80211_rate *rate;
@@ -1631,7 +1707,7 @@ static int nl80211_send_band_rateinfo(struct sk_buff *msg,
sband->vht_cap.cap)))
return -ENOBUFS;
- if (sband->n_iftype_data) {
+ if (large && sband->n_iftype_data) {
struct nlattr *nl_iftype_data =
nla_nest_start_noflag(msg,
NL80211_BAND_ATTR_IFTYPE_DATA);
@@ -1659,7 +1735,7 @@ static int nl80211_send_band_rateinfo(struct sk_buff *msg,
}
/* add EDMG info */
- if (sband->edmg_cap.channels &&
+ if (large && sband->edmg_cap.channels &&
(nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS,
sband->edmg_cap.channels) ||
nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG,
@@ -2077,13 +2153,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
rdev->wiphy.max_sched_scan_ie_len) ||
nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
- rdev->wiphy.max_match_sets) ||
- nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
- rdev->wiphy.max_sched_scan_plans) ||
- nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
- rdev->wiphy.max_sched_scan_plan_interval) ||
- nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
- rdev->wiphy.max_sched_scan_plan_iterations))
+ rdev->wiphy.max_match_sets))
goto nla_put_failure;
if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
@@ -2173,6 +2243,10 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
band < NUM_NL80211_BANDS; band++) {
struct ieee80211_supported_band *sband;
+ /* omit higher bands for ancient software */
+ if (band > NL80211_BAND_5GHZ && !state->split)
+ break;
+
sband = rdev->wiphy.bands[band];
if (!sband)
@@ -2184,7 +2258,8 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
switch (state->chan_start) {
case 0:
- if (nl80211_send_band_rateinfo(msg, sband))
+ if (nl80211_send_band_rateinfo(msg, sband,
+ state->split))
goto nla_put_failure;
state->chan_start++;
if (state->split)
@@ -2286,8 +2361,6 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
goto nla_put_failure;
- if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
- goto nla_put_failure;
state->split_start++;
if (state->split)
break;
@@ -2355,9 +2428,23 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
* case we'll continue with more data in the next round,
* but break unconditionally so unsplit data stops here.
*/
- state->split_start++;
+ if (state->split)
+ state->split_start++;
+ else
+ state->split_start = 0;
break;
case 9:
+ if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
+ goto nla_put_failure;
+
+ if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
+ rdev->wiphy.max_sched_scan_plans) ||
+ nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
+ rdev->wiphy.max_sched_scan_plan_interval) ||
+ nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
+ rdev->wiphy.max_sched_scan_plan_iterations))
+ goto nla_put_failure;
+
if (rdev->wiphy.extended_capabilities &&
(nla_put(msg, NL80211_ATTR_EXT_CAPA,
rdev->wiphy.extended_capabilities_len,
@@ -4422,21 +4509,106 @@ static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
return true;
}
+static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map)
+{
+ switch (he_mcs_map) {
+ case IEEE80211_HE_MCS_NOT_SUPPORTED:
+ return 0;
+ case IEEE80211_HE_MCS_SUPPORT_0_7:
+ return 0x00FF;
+ case IEEE80211_HE_MCS_SUPPORT_0_9:
+ return 0x03FF;
+ case IEEE80211_HE_MCS_SUPPORT_0_11:
+ return 0xFFF;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static void he_build_mcs_mask(u16 he_mcs_map,
+ u16 he_mcs_mask[NL80211_HE_NSS_MAX])
+{
+ u8 nss;
+
+ for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) {
+ he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03);
+ he_mcs_map >>= 2;
+ }
+}
+
+static u16 he_get_txmcsmap(struct genl_info *info,
+ const struct ieee80211_sta_he_cap *he_cap)
+{
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ __le16 tx_mcs;
+
+ switch (wdev->chandef.width) {
+ case NL80211_CHAN_WIDTH_80P80:
+ tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160;
+ break;
+ default:
+ tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80;
+ break;
+ }
+ return le16_to_cpu(tx_mcs);
+}
+
+static bool he_set_mcs_mask(struct genl_info *info,
+ struct wireless_dev *wdev,
+ struct ieee80211_supported_band *sband,
+ struct nl80211_txrate_he *txrate,
+ u16 mcs[NL80211_HE_NSS_MAX])
+{
+ const struct ieee80211_sta_he_cap *he_cap;
+ u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {};
+ u16 tx_mcs_map = 0;
+ u8 i;
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
+ if (!he_cap)
+ return false;
+
+ memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX);
+
+ tx_mcs_map = he_get_txmcsmap(info, he_cap);
+
+ /* Build he_mcs_mask from HE capabilities */
+ he_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
+
+ for (i = 0; i < NL80211_HE_NSS_MAX; i++) {
+ if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
+ mcs[i] = txrate->mcs[i];
+ else
+ return false;
+ }
+
+ return true;
+}
+
static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
struct nlattr *attrs[],
enum nl80211_attrs attr,
- struct cfg80211_bitrate_mask *mask)
+ struct cfg80211_bitrate_mask *mask,
+ struct net_device *dev)
{
struct nlattr *tb[NL80211_TXRATE_MAX + 1];
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
int rem, i;
struct nlattr *tx_rates;
struct ieee80211_supported_band *sband;
- u16 vht_tx_mcs_map;
+ u16 vht_tx_mcs_map, he_tx_mcs_map;
memset(mask, 0, sizeof(*mask));
/* Default to all rates enabled */
for (i = 0; i < NUM_NL80211_BANDS; i++) {
+ const struct ieee80211_sta_he_cap *he_cap;
+
sband = rdev->wiphy.bands[i];
if (!sband)
@@ -4452,6 +4624,16 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
+ if (!he_cap)
+ continue;
+
+ he_tx_mcs_map = he_get_txmcsmap(info, he_cap);
+ he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs);
+
+ mask->control[i].he_gi = 0xFF;
+ mask->control[i].he_ltf = 0xFF;
}
/* if no rates are given set it back to the defaults */
@@ -4507,13 +4689,25 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
return -EINVAL;
}
+ if (tb[NL80211_TXRATE_HE] &&
+ !he_set_mcs_mask(info, wdev, sband,
+ nla_data(tb[NL80211_TXRATE_HE]),
+ mask->control[band].he_mcs))
+ return -EINVAL;
+ if (tb[NL80211_TXRATE_HE_GI])
+ mask->control[band].he_gi =
+ nla_get_u8(tb[NL80211_TXRATE_HE_GI]);
+ if (tb[NL80211_TXRATE_HE_LTF])
+ mask->control[band].he_ltf =
+ nla_get_u8(tb[NL80211_TXRATE_HE_LTF]);
if (mask->control[band].legacy == 0) {
- /* don't allow empty legacy rates if HT or VHT
+ /* don't allow empty legacy rates if HT, VHT or HE
* are not even supported.
*/
if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
- rdev->wiphy.bands[band]->vht_cap.vht_supported))
+ rdev->wiphy.bands[band]->vht_cap.vht_supported ||
+ ieee80211_get_he_iftype_cap(sband, wdev->iftype)))
return -EINVAL;
for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
@@ -4524,6 +4718,10 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
if (mask->control[band].vht_mcs[i])
goto out;
+ for (i = 0; i < NL80211_HE_NSS_MAX; i++)
+ if (mask->control[band].he_mcs[i])
+ goto out;
+
/* legacy and mcs rates may not be both empty */
return -EINVAL;
}
@@ -4683,18 +4881,34 @@ static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
if (err)
return err;
- if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] ||
- !tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
+ if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
return -EINVAL;
- he_obss_pd->min_offset =
- nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
- he_obss_pd->max_offset =
- nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
+ he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
+
+ if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
+ he_obss_pd->min_offset =
+ nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
+ if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
+ he_obss_pd->max_offset =
+ nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
+ if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
+ he_obss_pd->non_srg_max_offset =
+ nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
- if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
+ if (he_obss_pd->min_offset > he_obss_pd->max_offset)
return -EINVAL;
+ if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
+ memcpy(he_obss_pd->bss_color_bitmap,
+ nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
+ sizeof(he_obss_pd->bss_color_bitmap));
+
+ if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
+ memcpy(he_obss_pd->partial_bssid_bitmap,
+ nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
+ sizeof(he_obss_pd->partial_bssid_bitmap));
+
he_obss_pd->enable = true;
return 0;
@@ -4724,6 +4938,65 @@ static int nl80211_parse_he_bss_color(struct nlattr *attrs,
return 0;
}
+static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev,
+ struct nlattr *attrs,
+ struct cfg80211_ap_settings *params)
+{
+ struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1];
+ int ret;
+ struct cfg80211_fils_discovery *fd = &params->fils_discovery;
+
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_FILS_DISCOVERY))
+ return -EINVAL;
+
+ ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs,
+ NULL, NULL);
+ if (ret)
+ return ret;
+
+ if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] ||
+ !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] ||
+ !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL])
+ return -EINVAL;
+
+ fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
+ fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]);
+ fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]);
+ fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]);
+
+ return 0;
+}
+
+static int
+nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev,
+ struct nlattr *attrs,
+ struct cfg80211_ap_settings *params)
+{
+ struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1];
+ int ret;
+ struct cfg80211_unsol_bcast_probe_resp *presp =
+ &params->unsol_bcast_probe_resp;
+
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
+ return -EINVAL;
+
+ ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX,
+ attrs, NULL, NULL);
+ if (ret)
+ return ret;
+
+ if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] ||
+ !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL])
+ return -EINVAL;
+
+ presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
+ presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]);
+ presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]);
+ return 0;
+}
+
static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
const u8 *rates)
{
@@ -4834,8 +5107,9 @@ static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
return false;
return true;
case NL80211_CMD_START_AP:
- /* SAE not supported yet */
- if (auth_type == NL80211_AUTHTYPE_SAE)
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) &&
+ auth_type == NL80211_AUTHTYPE_SAE)
return false;
/* FILS not supported yet */
if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
@@ -4899,8 +5173,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
params.ssid_len =
nla_len(info->attrs[NL80211_ATTR_SSID]);
- if (params.ssid_len == 0 ||
- params.ssid_len > IEEE80211_MAX_SSID_LEN)
+ if (params.ssid_len == 0)
return -EINVAL;
}
@@ -4969,7 +5242,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_TX_RATES]) {
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES,
- &params.beacon_rate);
+ &params.beacon_rate,
+ dev);
if (err)
return err;
@@ -5031,6 +5305,22 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
goto out;
}
+ if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
+ err = nl80211_parse_fils_discovery(rdev,
+ info->attrs[NL80211_ATTR_FILS_DISCOVERY],
+ &params);
+ if (err)
+ goto out;
+ }
+
+ if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
+ err = nl80211_parse_unsol_bcast_probe_resp(
+ rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
+ &params);
+ if (err)
+ return err;
+ }
+
nl80211_calculate_ap_params(&params);
if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
@@ -5840,11 +6130,9 @@ static int nl80211_parse_sta_channel_info(struct genl_info *info,
nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
/*
* Need to include at least one (first channel, number of
- * channels) tuple for each subband, and must have proper
- * tuples for the rest of the data as well.
+ * channels) tuple for each subband (checked in policy),
+ * and must have proper tuples for the rest of the data as well.
*/
- if (params->supported_channels_len < 2)
- return -EINVAL;
if (params->supported_channels_len % 2)
return -EINVAL;
}
@@ -5854,13 +6142,6 @@ static int nl80211_parse_sta_channel_info(struct genl_info *info,
nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
params->supported_oper_classes_len =
nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
- /*
- * The value of the Length field of the Supported Operating
- * Classes element is between 2 and 253.
- */
- if (params->supported_oper_classes_len < 2 ||
- params->supported_oper_classes_len > 253)
- return -EINVAL;
}
return 0;
}
@@ -5883,9 +6164,6 @@ static int nl80211_set_station_tdls(struct genl_info *info,
nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
params->he_capa_len =
nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
-
- if (params->he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
- return -EINVAL;
}
err = nl80211_parse_sta_channel_info(info, params);
@@ -6144,10 +6422,6 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
params.he_capa_len =
nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
-
- /* max len is validated in nla policy */
- if (params.he_capa_len < NL80211_HE_MIN_CAPABILITY_LEN)
- return -EINVAL;
}
if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
@@ -8006,7 +8280,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->scan_start = jiffies;
rdev->scan_req = request;
- err = rdev_scan(rdev, request);
+ err = cfg80211_scan(rdev);
if (err)
goto out_free;
@@ -8419,23 +8693,14 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
}
if (ssid) {
- if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
- err = -EINVAL;
- goto out_free;
- }
memcpy(request->match_sets[i].ssid.ssid,
nla_data(ssid), nla_len(ssid));
request->match_sets[i].ssid.ssid_len =
nla_len(ssid);
}
- if (bssid) {
- if (nla_len(bssid) != ETH_ALEN) {
- err = -EINVAL;
- goto out_free;
- }
+ if (bssid)
memcpy(request->match_sets[i].bssid,
nla_data(bssid), ETH_ALEN);
- }
/* special attribute - old implementation w/a */
request->match_sets[i].rssi_thold = default_match_rssi;
@@ -8790,10 +9055,10 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
if (err)
return err;
- if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
+ if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON])
return -EINVAL;
- len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
+ len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
if (!len || (len % sizeof(u16)))
return -EINVAL;
@@ -8804,7 +9069,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
params.counter_offsets_beacon =
- nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
+ nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
/* sanity checks - counters should fit and be the same */
for (i = 0; i < params.n_counter_offsets_beacon; i++) {
@@ -8817,8 +9082,8 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
- len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
+ if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
+ len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
if (!len || (len % sizeof(u16)))
return -EINVAL;
@@ -8829,7 +9094,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
params.counter_offsets_presp =
- nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
+ nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
/* sanity checks - counters should fit and be the same */
for (i = 0; i < params.n_counter_offsets_presp; i++) {
@@ -9094,6 +9359,11 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
survey->channel->center_freq))
goto nla_put_failure;
+ if (survey->channel && survey->channel->freq_offset &&
+ nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET,
+ survey->channel->freq_offset))
+ goto nla_put_failure;
+
if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
goto nla_put_failure;
@@ -9312,9 +9582,6 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
- /* need to include at least Auth Transaction and Status Code */
- if (auth_data_len < 4)
- return -EINVAL;
}
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
@@ -9454,7 +9721,9 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) {
if (!wiphy_ext_feature_isset(&rdev->wiphy,
- NL80211_EXT_FEATURE_SAE_OFFLOAD))
+ NL80211_EXT_FEATURE_SAE_OFFLOAD) &&
+ !wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_SAE_OFFLOAD_AP))
return -EINVAL;
settings->sae_pwd =
nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
@@ -9572,6 +9841,22 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
}
+ if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) {
+ if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY])
+ return -EINVAL;
+ memcpy(&req.s1g_capa_mask,
+ nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]),
+ sizeof(req.s1g_capa_mask));
+ }
+
+ if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) {
+ if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK])
+ return -EINVAL;
+ memcpy(&req.s1g_capa,
+ nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]),
+ sizeof(req.s1g_capa));
+ }
+
err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
if (!err) {
wdev_lock(dev->ieee80211_ptr);
@@ -10801,7 +11086,8 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
return -EOPNOTSUPP;
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
- NL80211_ATTR_TX_RATES, &mask);
+ NL80211_ATTR_TX_RATES, &mask,
+ dev);
if (err)
return err;
@@ -11409,7 +11695,8 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_TX_RATES]) {
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES,
- &setup.beacon_rate);
+ &setup.beacon_rate,
+ dev);
if (err)
return err;
@@ -12361,8 +12648,6 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] ||
!tb[NL80211_REKEY_DATA_KCK])
return -EINVAL;
- if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
- return -ERANGE;
if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
@@ -12687,8 +12972,7 @@ static int nl80211_nan_add_func(struct sk_buff *skb,
func->cookie = cfg80211_assign_cookie(rdev);
- if (!tb[NL80211_NAN_FUNC_TYPE] ||
- nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
+ if (!tb[NL80211_NAN_FUNC_TYPE]) {
err = -EINVAL;
goto out;
}
@@ -13178,9 +13462,6 @@ static int nl80211_crit_protocol_start(struct sk_buff *skb,
duration =
nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
- if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
- return -ERANGE;
-
ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
if (!ret)
rdev->crit_proto_nlportid = info->snd_portid;
@@ -13565,8 +13846,7 @@ static int nl80211_set_qos_map(struct sk_buff *skb,
pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
- if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
- len > IEEE80211_QOS_MAP_LEN_MAX)
+ if (len % 2)
return -EINVAL;
qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
@@ -13834,17 +14114,9 @@ static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
goto out;
}
- if (info->attrs[NL80211_ATTR_PMKR0_NAME]) {
- int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]);
-
- if (r0_name_len != WLAN_PMK_NAME_LEN) {
- ret = -EINVAL;
- goto out;
- }
-
+ if (info->attrs[NL80211_ATTR_PMKR0_NAME])
pmk_conf.pmk_r0_name =
nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
- }
ret = rdev_set_pmk(rdev, dev, &pmk_conf);
out:
@@ -13903,8 +14175,7 @@ static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_SSID]) {
params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
- if (params.ssid.ssid_len == 0 ||
- params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN)
+ if (params.ssid.ssid_len == 0)
return -EINVAL;
memcpy(params.ssid.ssid,
nla_data(info->attrs[NL80211_ATTR_SSID]),
@@ -14205,7 +14476,7 @@ static int parse_tid_conf(struct cfg80211_registered_device *rdev,
if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
- &tid_conf->txrate_mask);
+ &tid_conf->txrate_mask, dev);
if (err)
return err;
@@ -14397,6 +14668,9 @@ static const struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_WIPHY |
NL80211_FLAG_NEED_RTNL,
},
+};
+
+static const struct genl_small_ops nl80211_small_ops[] = {
{
.cmd = NL80211_CMD_SET_WIPHY,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -15258,6 +15532,8 @@ static struct genl_family nl80211_fam __ro_after_init = {
.module = THIS_MODULE,
.ops = nl80211_ops,
.n_ops = ARRAY_SIZE(nl80211_ops),
+ .small_ops = nl80211_small_ops,
+ .n_small_ops = ARRAY_SIZE(nl80211_small_ops),
.mcgrps = nl80211_mcgrps,
.n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
.parallel_ops = true,
@@ -15312,6 +15588,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
struct cfg80211_scan_request *req = rdev->scan_req;
struct nlattr *nest;
int i;
+ struct cfg80211_scan_info *info;
if (WARN_ON(!req))
return 0;
@@ -15355,11 +15632,13 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
goto nla_put_failure;
- if (req->info.scan_start_tsf &&
+ info = rdev->int_scan_req ? &rdev->int_scan_req->info :
+ &rdev->scan_req->info;
+ if (info->scan_start_tsf &&
(nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
- req->info.scan_start_tsf, NL80211_BSS_PAD) ||
+ info->scan_start_tsf, NL80211_BSS_PAD) ||
nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
- req->info.tsf_bssid)))
+ info->tsf_bssid)))
goto nla_put_failure;
return 0;
diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c
index d5e28239e030..36f1b59a78bf 100644
--- a/net/wireless/radiotap.c
+++ b/net/wireless/radiotap.c
@@ -59,6 +59,7 @@ static const struct ieee80211_radiotap_namespace radiotap_ns = {
* @iterator: radiotap_iterator to initialize
* @radiotap_header: radiotap header to parse
* @max_length: total length we can parse into (eg, whole packet length)
+ * @vns: vendor namespaces to parse
*
* Returns: 0 or a negative error code if there is a problem.
*
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index d8a90d397423..3dab859641e1 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1594,7 +1594,7 @@ freq_reg_info_regd(u32 center_freq,
/*
* We only need to know if one frequency rule was
- * was in center_freq's band, that's enough, so lets
+ * in center_freq's band, that's enough, so let's
* not overwrite it once found
*/
if (!band_rule_found)
@@ -1616,10 +1616,12 @@ static const struct ieee80211_reg_rule *
__freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 min_bw)
{
const struct ieee80211_regdomain *regd = reg_get_regdomain(wiphy);
- const struct ieee80211_reg_rule *reg_rule = NULL;
+ const u32 bws[] = {0, 1, 2, 4, 5, 8, 10, 16, 20};
+ const struct ieee80211_reg_rule *reg_rule;
+ int i = ARRAY_SIZE(bws) - 1;
u32 bw;
- for (bw = MHZ_TO_KHZ(20); bw >= min_bw; bw = bw / 2) {
+ for (bw = MHZ_TO_KHZ(bws[i]); bw >= min_bw; bw = MHZ_TO_KHZ(bws[i--])) {
reg_rule = freq_reg_info_regd(center_freq, regd, bw);
if (!IS_ERR(reg_rule))
return reg_rule;
@@ -1631,7 +1633,9 @@ __freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 min_bw)
const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy,
u32 center_freq)
{
- return __freq_reg_info(wiphy, center_freq, MHZ_TO_KHZ(20));
+ u32 min_bw = center_freq < MHZ_TO_KHZ(1000) ? 1 : 20;
+
+ return __freq_reg_info(wiphy, center_freq, MHZ_TO_KHZ(min_bw));
}
EXPORT_SYMBOL(freq_reg_info);
@@ -1659,6 +1663,7 @@ static uint32_t reg_rule_to_chan_bw_flags(const struct ieee80211_regdomain *regd
{
const struct ieee80211_freq_range *freq_range = NULL;
u32 max_bandwidth_khz, center_freq_khz, bw_flags = 0;
+ bool is_s1g = chan->band == NL80211_BAND_S1GHZ;
freq_range = &reg_rule->freq_range;
@@ -1678,70 +1683,72 @@ static uint32_t reg_rule_to_chan_bw_flags(const struct ieee80211_regdomain *regd
MHZ_TO_KHZ(20)))
bw_flags |= IEEE80211_CHAN_NO_20MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(10))
- bw_flags |= IEEE80211_CHAN_NO_10MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(20))
- bw_flags |= IEEE80211_CHAN_NO_20MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(40))
- bw_flags |= IEEE80211_CHAN_NO_HT40;
- if (max_bandwidth_khz < MHZ_TO_KHZ(80))
- bw_flags |= IEEE80211_CHAN_NO_80MHZ;
- if (max_bandwidth_khz < MHZ_TO_KHZ(160))
- bw_flags |= IEEE80211_CHAN_NO_160MHZ;
+ if (is_s1g) {
+ /* S1G is strict about non overlapping channels. We can
+ * calculate which bandwidth is allowed per channel by finding
+ * the largest bandwidth which cleanly divides the freq_range.
+ */
+ int edge_offset;
+ int ch_bw = max_bandwidth_khz;
+
+ while (ch_bw) {
+ edge_offset = (center_freq_khz - ch_bw / 2) -
+ freq_range->start_freq_khz;
+ if (edge_offset % ch_bw == 0) {
+ switch (KHZ_TO_MHZ(ch_bw)) {
+ case 1:
+ bw_flags |= IEEE80211_CHAN_1MHZ;
+ break;
+ case 2:
+ bw_flags |= IEEE80211_CHAN_2MHZ;
+ break;
+ case 4:
+ bw_flags |= IEEE80211_CHAN_4MHZ;
+ break;
+ case 8:
+ bw_flags |= IEEE80211_CHAN_8MHZ;
+ break;
+ case 16:
+ bw_flags |= IEEE80211_CHAN_16MHZ;
+ break;
+ default:
+ /* If we got here, no bandwidths fit on
+ * this frequency, ie. band edge.
+ */
+ bw_flags |= IEEE80211_CHAN_DISABLED;
+ break;
+ }
+ break;
+ }
+ ch_bw /= 2;
+ }
+ } else {
+ if (max_bandwidth_khz < MHZ_TO_KHZ(10))
+ bw_flags |= IEEE80211_CHAN_NO_10MHZ;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(20))
+ bw_flags |= IEEE80211_CHAN_NO_20MHZ;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(40))
+ bw_flags |= IEEE80211_CHAN_NO_HT40;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(80))
+ bw_flags |= IEEE80211_CHAN_NO_80MHZ;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(160))
+ bw_flags |= IEEE80211_CHAN_NO_160MHZ;
+ }
return bw_flags;
}
-/*
- * Note that right now we assume the desired channel bandwidth
- * is always 20 MHz for each individual channel (HT40 uses 20 MHz
- * per channel, the primary and the extension channel).
- */
-static void handle_channel(struct wiphy *wiphy,
- enum nl80211_reg_initiator initiator,
- struct ieee80211_channel *chan)
+static void handle_channel_single_rule(struct wiphy *wiphy,
+ enum nl80211_reg_initiator initiator,
+ struct ieee80211_channel *chan,
+ u32 flags,
+ struct regulatory_request *lr,
+ struct wiphy *request_wiphy,
+ const struct ieee80211_reg_rule *reg_rule)
{
- u32 flags, bw_flags = 0;
- const struct ieee80211_reg_rule *reg_rule = NULL;
+ u32 bw_flags = 0;
const struct ieee80211_power_rule *power_rule = NULL;
- struct wiphy *request_wiphy = NULL;
- struct regulatory_request *lr = get_last_request();
const struct ieee80211_regdomain *regd;
- request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
-
- flags = chan->orig_flags;
-
- reg_rule = freq_reg_info(wiphy, ieee80211_channel_to_khz(chan));
- if (IS_ERR(reg_rule)) {
- /*
- * We will disable all channels that do not match our
- * received regulatory rule unless the hint is coming
- * from a Country IE and the Country IE had no information
- * about a band. The IEEE 802.11 spec allows for an AP
- * to send only a subset of the regulatory rules allowed,
- * so an AP in the US that only supports 2.4 GHz may only send
- * a country IE with information for the 2.4 GHz band
- * while 5 GHz is still supported.
- */
- if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
- PTR_ERR(reg_rule) == -ERANGE)
- return;
-
- if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
- request_wiphy && request_wiphy == wiphy &&
- request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) {
- pr_debug("Disabling freq %d.%03d MHz for good\n",
- chan->center_freq, chan->freq_offset);
- chan->orig_flags |= IEEE80211_CHAN_DISABLED;
- chan->flags = chan->orig_flags;
- } else {
- pr_debug("Disabling freq %d.%03d MHz\n",
- chan->center_freq, chan->freq_offset);
- chan->flags |= IEEE80211_CHAN_DISABLED;
- }
- return;
- }
-
regd = reg_get_regdomain(wiphy);
power_rule = &reg_rule->power_rule;
@@ -1803,6 +1810,204 @@ static void handle_channel(struct wiphy *wiphy,
chan->max_power = chan->max_reg_power;
}
+static void handle_channel_adjacent_rules(struct wiphy *wiphy,
+ enum nl80211_reg_initiator initiator,
+ struct ieee80211_channel *chan,
+ u32 flags,
+ struct regulatory_request *lr,
+ struct wiphy *request_wiphy,
+ const struct ieee80211_reg_rule *rrule1,
+ const struct ieee80211_reg_rule *rrule2,
+ struct ieee80211_freq_range *comb_range)
+{
+ u32 bw_flags1 = 0;
+ u32 bw_flags2 = 0;
+ const struct ieee80211_power_rule *power_rule1 = NULL;
+ const struct ieee80211_power_rule *power_rule2 = NULL;
+ const struct ieee80211_regdomain *regd;
+
+ regd = reg_get_regdomain(wiphy);
+
+ power_rule1 = &rrule1->power_rule;
+ power_rule2 = &rrule2->power_rule;
+ bw_flags1 = reg_rule_to_chan_bw_flags(regd, rrule1, chan);
+ bw_flags2 = reg_rule_to_chan_bw_flags(regd, rrule2, chan);
+
+ if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
+ request_wiphy && request_wiphy == wiphy &&
+ request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) {
+ /* This guarantees the driver's requested regulatory domain
+ * will always be used as a base for further regulatory
+ * settings
+ */
+ chan->flags =
+ map_regdom_flags(rrule1->flags) |
+ map_regdom_flags(rrule2->flags) |
+ bw_flags1 |
+ bw_flags2;
+ chan->orig_flags = chan->flags;
+ chan->max_antenna_gain =
+ min_t(int, MBI_TO_DBI(power_rule1->max_antenna_gain),
+ MBI_TO_DBI(power_rule2->max_antenna_gain));
+ chan->orig_mag = chan->max_antenna_gain;
+ chan->max_reg_power =
+ min_t(int, MBM_TO_DBM(power_rule1->max_eirp),
+ MBM_TO_DBM(power_rule2->max_eirp));
+ chan->max_power = chan->max_reg_power;
+ chan->orig_mpwr = chan->max_reg_power;
+
+ if (chan->flags & IEEE80211_CHAN_RADAR) {
+ chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+ if (rrule1->dfs_cac_ms || rrule2->dfs_cac_ms)
+ chan->dfs_cac_ms = max_t(unsigned int,
+ rrule1->dfs_cac_ms,
+ rrule2->dfs_cac_ms);
+ }
+
+ return;
+ }
+
+ chan->dfs_state = NL80211_DFS_USABLE;
+ chan->dfs_state_entered = jiffies;
+
+ chan->beacon_found = false;
+ chan->flags = flags | bw_flags1 | bw_flags2 |
+ map_regdom_flags(rrule1->flags) |
+ map_regdom_flags(rrule2->flags);
+
+ /* reg_rule_to_chan_bw_flags may forbids 10 and forbids 20 MHz
+ * (otherwise no adj. rule case), recheck therefore
+ */
+ if (cfg80211_does_bw_fit_range(comb_range,
+ ieee80211_channel_to_khz(chan),
+ MHZ_TO_KHZ(10)))
+ chan->flags &= ~IEEE80211_CHAN_NO_10MHZ;
+ if (cfg80211_does_bw_fit_range(comb_range,
+ ieee80211_channel_to_khz(chan),
+ MHZ_TO_KHZ(20)))
+ chan->flags &= ~IEEE80211_CHAN_NO_20MHZ;
+
+ chan->max_antenna_gain =
+ min_t(int, chan->orig_mag,
+ min_t(int,
+ MBI_TO_DBI(power_rule1->max_antenna_gain),
+ MBI_TO_DBI(power_rule2->max_antenna_gain)));
+ chan->max_reg_power = min_t(int,
+ MBM_TO_DBM(power_rule1->max_eirp),
+ MBM_TO_DBM(power_rule2->max_eirp));
+
+ if (chan->flags & IEEE80211_CHAN_RADAR) {
+ if (rrule1->dfs_cac_ms || rrule2->dfs_cac_ms)
+ chan->dfs_cac_ms = max_t(unsigned int,
+ rrule1->dfs_cac_ms,
+ rrule2->dfs_cac_ms);
+ else
+ chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+ }
+
+ if (chan->orig_mpwr) {
+ /* Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER
+ * will always follow the passed country IE power settings.
+ */
+ if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+ wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_FOLLOW_POWER)
+ chan->max_power = chan->max_reg_power;
+ else
+ chan->max_power = min(chan->orig_mpwr,
+ chan->max_reg_power);
+ } else {
+ chan->max_power = chan->max_reg_power;
+ }
+}
+
+/* Note that right now we assume the desired channel bandwidth
+ * is always 20 MHz for each individual channel (HT40 uses 20 MHz
+ * per channel, the primary and the extension channel).
+ */
+static void handle_channel(struct wiphy *wiphy,
+ enum nl80211_reg_initiator initiator,
+ struct ieee80211_channel *chan)
+{
+ const u32 orig_chan_freq = ieee80211_channel_to_khz(chan);
+ struct regulatory_request *lr = get_last_request();
+ struct wiphy *request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
+ const struct ieee80211_reg_rule *rrule = NULL;
+ const struct ieee80211_reg_rule *rrule1 = NULL;
+ const struct ieee80211_reg_rule *rrule2 = NULL;
+
+ u32 flags = chan->orig_flags;
+
+ rrule = freq_reg_info(wiphy, orig_chan_freq);
+ if (IS_ERR(rrule)) {
+ /* check for adjacent match, therefore get rules for
+ * chan - 20 MHz and chan + 20 MHz and test
+ * if reg rules are adjacent
+ */
+ rrule1 = freq_reg_info(wiphy,
+ orig_chan_freq - MHZ_TO_KHZ(20));
+ rrule2 = freq_reg_info(wiphy,
+ orig_chan_freq + MHZ_TO_KHZ(20));
+ if (!IS_ERR(rrule1) && !IS_ERR(rrule2)) {
+ struct ieee80211_freq_range comb_range;
+
+ if (rrule1->freq_range.end_freq_khz !=
+ rrule2->freq_range.start_freq_khz)
+ goto disable_chan;
+
+ comb_range.start_freq_khz =
+ rrule1->freq_range.start_freq_khz;
+ comb_range.end_freq_khz =
+ rrule2->freq_range.end_freq_khz;
+ comb_range.max_bandwidth_khz =
+ min_t(u32,
+ rrule1->freq_range.max_bandwidth_khz,
+ rrule2->freq_range.max_bandwidth_khz);
+
+ if (!cfg80211_does_bw_fit_range(&comb_range,
+ orig_chan_freq,
+ MHZ_TO_KHZ(20)))
+ goto disable_chan;
+
+ handle_channel_adjacent_rules(wiphy, initiator, chan,
+ flags, lr, request_wiphy,
+ rrule1, rrule2,
+ &comb_range);
+ return;
+ }
+
+disable_chan:
+ /* We will disable all channels that do not match our
+ * received regulatory rule unless the hint is coming
+ * from a Country IE and the Country IE had no information
+ * about a band. The IEEE 802.11 spec allows for an AP
+ * to send only a subset of the regulatory rules allowed,
+ * so an AP in the US that only supports 2.4 GHz may only send
+ * a country IE with information for the 2.4 GHz band
+ * while 5 GHz is still supported.
+ */
+ if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+ PTR_ERR(rrule) == -ERANGE)
+ return;
+
+ if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
+ request_wiphy && request_wiphy == wiphy &&
+ request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) {
+ pr_debug("Disabling freq %d.%03d MHz for good\n",
+ chan->center_freq, chan->freq_offset);
+ chan->orig_flags |= IEEE80211_CHAN_DISABLED;
+ chan->flags = chan->orig_flags;
+ } else {
+ pr_debug("Disabling freq %d.%03d MHz\n",
+ chan->center_freq, chan->freq_offset);
+ chan->flags |= IEEE80211_CHAN_DISABLED;
+ }
+ return;
+ }
+
+ handle_channel_single_rule(wiphy, initiator, chan, flags, lr,
+ request_wiphy, rrule);
+}
+
static void handle_band(struct wiphy *wiphy,
enum nl80211_reg_initiator initiator,
struct ieee80211_supported_band *sband)
@@ -3170,7 +3375,7 @@ static void restore_custom_reg_settings(struct wiphy *wiphy)
* - send a user regulatory hint if applicable
*
* Device drivers that send a regulatory hint for a specific country
- * keep their own regulatory domain on wiphy->regd so that does does
+ * keep their own regulatory domain on wiphy->regd so that does
* not need to be remembered.
*/
static void restore_regulatory_settings(bool reset_user, bool cached)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 04f2d198c215..8d0e49c46db3 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -5,7 +5,7 @@
* Copyright 2008 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2016 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*/
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -14,6 +14,8 @@
#include <linux/wireless.h>
#include <linux/nl80211.h>
#include <linux/etherdevice.h>
+#include <linux/crc32.h>
+#include <linux/bitfield.h>
#include <net/arp.h>
#include <net/cfg80211.h>
#include <net/cfg80211-wext.h>
@@ -55,7 +57,7 @@
*
* Also note that the hidden_beacon_bss pointer is only relevant
* if the driver uses something other than the IEs, e.g. private
- * data stored stored in the BSS struct, since the beacon IEs are
+ * data stored in the BSS struct, since the beacon IEs are
* also linked into the probe response struct.
*/
@@ -74,6 +76,43 @@ MODULE_PARM_DESC(bss_entries_limit,
#define IEEE80211_SCAN_RESULT_EXPIRE (30 * HZ)
+/**
+ * struct cfg80211_colocated_ap - colocated AP information
+ *
+ * @list: linked list to all colocated aPS
+ * @bssid: BSSID of the reported AP
+ * @ssid: SSID of the reported AP
+ * @ssid_len: length of the ssid
+ * @center_freq: frequency the reported AP is on
+ * @unsolicited_probe: the reported AP is part of an ESS, where all the APs
+ * that operate in the same channel as the reported AP and that might be
+ * detected by a STA receiving this frame, are transmitting unsolicited
+ * Probe Response frames every 20 TUs
+ * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP
+ * @same_ssid: the reported AP has the same SSID as the reporting AP
+ * @multi_bss: the reported AP is part of a multiple BSSID set
+ * @transmitted_bssid: the reported AP is the transmitting BSSID
+ * @colocated_ess: all the APs that share the same ESS as the reported AP are
+ * colocated and can be discovered via legacy bands.
+ * @short_ssid_valid: short_ssid is valid and can be used
+ * @short_ssid: the short SSID for this SSID
+ */
+struct cfg80211_colocated_ap {
+ struct list_head list;
+ u8 bssid[ETH_ALEN];
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ size_t ssid_len;
+ u32 short_ssid;
+ u32 center_freq;
+ u8 unsolicited_probe:1,
+ oct_recommended:1,
+ same_ssid:1,
+ multi_bss:1,
+ transmitted_bssid:1,
+ colocated_ess:1,
+ short_ssid_valid:1;
+};
+
static void bss_free(struct cfg80211_internal_bss *bss)
{
struct cfg80211_bss_ies *ies;
@@ -448,10 +487,433 @@ static bool cfg80211_bss_expire_oldest(struct cfg80211_registered_device *rdev)
return ret;
}
+static u8 cfg80211_parse_bss_param(u8 data,
+ struct cfg80211_colocated_ap *coloc_ap)
+{
+ coloc_ap->oct_recommended =
+ u8_get_bits(data, IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED);
+ coloc_ap->same_ssid =
+ u8_get_bits(data, IEEE80211_RNR_TBTT_PARAMS_SAME_SSID);
+ coloc_ap->multi_bss =
+ u8_get_bits(data, IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID);
+ coloc_ap->transmitted_bssid =
+ u8_get_bits(data, IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID);
+ coloc_ap->unsolicited_probe =
+ u8_get_bits(data, IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE);
+ coloc_ap->colocated_ess =
+ u8_get_bits(data, IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS);
+
+ return u8_get_bits(data, IEEE80211_RNR_TBTT_PARAMS_COLOC_AP);
+}
+
+static int cfg80211_calc_short_ssid(const struct cfg80211_bss_ies *ies,
+ const struct element **elem, u32 *s_ssid)
+{
+
+ *elem = cfg80211_find_elem(WLAN_EID_SSID, ies->data, ies->len);
+ if (!*elem || (*elem)->datalen > IEEE80211_MAX_SSID_LEN)
+ return -EINVAL;
+
+ *s_ssid = ~crc32_le(~0, (*elem)->data, (*elem)->datalen);
+ return 0;
+}
+
+static void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list)
+{
+ struct cfg80211_colocated_ap *ap, *tmp_ap;
+
+ list_for_each_entry_safe(ap, tmp_ap, coloc_ap_list, list) {
+ list_del(&ap->list);
+ kfree(ap);
+ }
+}
+
+static int cfg80211_parse_ap_info(struct cfg80211_colocated_ap *entry,
+ const u8 *pos, u8 length,
+ const struct element *ssid_elem,
+ int s_ssid_tmp)
+{
+ /* skip the TBTT offset */
+ pos++;
+
+ memcpy(entry->bssid, pos, ETH_ALEN);
+ pos += ETH_ALEN;
+
+ if (length == IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM) {
+ memcpy(&entry->short_ssid, pos,
+ sizeof(entry->short_ssid));
+ entry->short_ssid_valid = true;
+ pos += 4;
+ }
+
+ /* skip non colocated APs */
+ if (!cfg80211_parse_bss_param(*pos, entry))
+ return -EINVAL;
+ pos++;
+
+ if (length == IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM) {
+ /*
+ * no information about the short ssid. Consider the entry valid
+ * for now. It would later be dropped in case there are explicit
+ * SSIDs that need to be matched
+ */
+ if (!entry->same_ssid)
+ return 0;
+ }
+
+ if (entry->same_ssid) {
+ entry->short_ssid = s_ssid_tmp;
+ entry->short_ssid_valid = true;
+
+ /*
+ * This is safe because we validate datalen in
+ * cfg80211_parse_colocated_ap(), before calling this
+ * function.
+ */
+ memcpy(&entry->ssid, &ssid_elem->data,
+ ssid_elem->datalen);
+ entry->ssid_len = ssid_elem->datalen;
+ }
+ return 0;
+}
+
+static int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies,
+ struct list_head *list)
+{
+ struct ieee80211_neighbor_ap_info *ap_info;
+ const struct element *elem, *ssid_elem;
+ const u8 *pos, *end;
+ u32 s_ssid_tmp;
+ int n_coloc = 0, ret;
+ LIST_HEAD(ap_list);
+
+ elem = cfg80211_find_elem(WLAN_EID_REDUCED_NEIGHBOR_REPORT, ies->data,
+ ies->len);
+ if (!elem || elem->datalen > IEEE80211_MAX_SSID_LEN)
+ return 0;
+
+ pos = elem->data;
+ end = pos + elem->datalen;
+
+ ret = cfg80211_calc_short_ssid(ies, &ssid_elem, &s_ssid_tmp);
+ if (ret)
+ return ret;
+
+ /* RNR IE may contain more than one NEIGHBOR_AP_INFO */
+ while (pos + sizeof(*ap_info) <= end) {
+ enum nl80211_band band;
+ int freq;
+ u8 length, i, count;
+
+ ap_info = (void *)pos;
+ count = u8_get_bits(ap_info->tbtt_info_hdr,
+ IEEE80211_AP_INFO_TBTT_HDR_COUNT) + 1;
+ length = ap_info->tbtt_info_len;
+
+ pos += sizeof(*ap_info);
+
+ if (!ieee80211_operating_class_to_band(ap_info->op_class,
+ &band))
+ break;
+
+ freq = ieee80211_channel_to_frequency(ap_info->channel, band);
+
+ if (end - pos < count * ap_info->tbtt_info_len)
+ break;
+
+ /*
+ * TBTT info must include bss param + BSSID +
+ * (short SSID or same_ssid bit to be set).
+ * ignore other options, and move to the
+ * next AP info
+ */
+ if (band != NL80211_BAND_6GHZ ||
+ (length != IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM &&
+ length < IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM)) {
+ pos += count * ap_info->tbtt_info_len;
+ continue;
+ }
+
+ for (i = 0; i < count; i++) {
+ struct cfg80211_colocated_ap *entry;
+
+ entry = kzalloc(sizeof(*entry) + IEEE80211_MAX_SSID_LEN,
+ GFP_ATOMIC);
+
+ if (!entry)
+ break;
+
+ entry->center_freq = freq;
+
+ if (!cfg80211_parse_ap_info(entry, pos, length,
+ ssid_elem, s_ssid_tmp)) {
+ n_coloc++;
+ list_add_tail(&entry->list, &ap_list);
+ } else {
+ kfree(entry);
+ }
+
+ pos += ap_info->tbtt_info_len;
+ }
+ }
+
+ if (pos != end) {
+ cfg80211_free_coloc_ap_list(&ap_list);
+ return 0;
+ }
+
+ list_splice_tail(&ap_list, list);
+ return n_coloc;
+}
+
+static void cfg80211_scan_req_add_chan(struct cfg80211_scan_request *request,
+ struct ieee80211_channel *chan,
+ bool add_to_6ghz)
+{
+ int i;
+ u32 n_channels = request->n_channels;
+ struct cfg80211_scan_6ghz_params *params =
+ &request->scan_6ghz_params[request->n_6ghz_params];
+
+ for (i = 0; i < n_channels; i++) {
+ if (request->channels[i] == chan) {
+ if (add_to_6ghz)
+ params->channel_idx = i;
+ return;
+ }
+ }
+
+ request->channels[n_channels] = chan;
+ if (add_to_6ghz)
+ request->scan_6ghz_params[request->n_6ghz_params].channel_idx =
+ n_channels;
+
+ request->n_channels++;
+}
+
+static bool cfg80211_find_ssid_match(struct cfg80211_colocated_ap *ap,
+ struct cfg80211_scan_request *request)
+{
+ u8 i;
+ u32 s_ssid;
+
+ for (i = 0; i < request->n_ssids; i++) {
+ /* wildcard ssid in the scan request */
+ if (!request->ssids[i].ssid_len)
+ return true;
+
+ if (ap->ssid_len &&
+ ap->ssid_len == request->ssids[i].ssid_len) {
+ if (!memcmp(request->ssids[i].ssid, ap->ssid,
+ ap->ssid_len))
+ return true;
+ } else if (ap->short_ssid_valid) {
+ s_ssid = ~crc32_le(~0, request->ssids[i].ssid,
+ request->ssids[i].ssid_len);
+
+ if (ap->short_ssid == s_ssid)
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev)
+{
+ u8 i;
+ struct cfg80211_colocated_ap *ap;
+ int n_channels, count = 0, err;
+ struct cfg80211_scan_request *request, *rdev_req = rdev->scan_req;
+ LIST_HEAD(coloc_ap_list);
+ bool need_scan_psc;
+ const struct ieee80211_sband_iftype_data *iftd;
+
+ rdev_req->scan_6ghz = true;
+
+ if (!rdev->wiphy.bands[NL80211_BAND_6GHZ])
+ return -EOPNOTSUPP;
+
+ iftd = ieee80211_get_sband_iftype_data(rdev->wiphy.bands[NL80211_BAND_6GHZ],
+ rdev_req->wdev->iftype);
+ if (!iftd || !iftd->he_cap.has_he)
+ return -EOPNOTSUPP;
+
+ n_channels = rdev->wiphy.bands[NL80211_BAND_6GHZ]->n_channels;
+
+ if (rdev_req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ) {
+ struct cfg80211_internal_bss *intbss;
+
+ spin_lock_bh(&rdev->bss_lock);
+ list_for_each_entry(intbss, &rdev->bss_list, list) {
+ struct cfg80211_bss *res = &intbss->pub;
+ const struct cfg80211_bss_ies *ies;
+
+ ies = rcu_access_pointer(res->ies);
+ count += cfg80211_parse_colocated_ap(ies,
+ &coloc_ap_list);
+ }
+ spin_unlock_bh(&rdev->bss_lock);
+ }
+
+ request = kzalloc(struct_size(request, channels, n_channels) +
+ sizeof(*request->scan_6ghz_params) * count,
+ GFP_KERNEL);
+ if (!request) {
+ cfg80211_free_coloc_ap_list(&coloc_ap_list);
+ return -ENOMEM;
+ }
+
+ *request = *rdev_req;
+ request->n_channels = 0;
+ request->scan_6ghz_params =
+ (void *)&request->channels[n_channels];
+
+ /*
+ * PSC channels should not be scanned if all the reported co-located APs
+ * are indicating that all APs in the same ESS are co-located
+ */
+ if (count) {
+ need_scan_psc = false;
+
+ list_for_each_entry(ap, &coloc_ap_list, list) {
+ if (!ap->colocated_ess) {
+ need_scan_psc = true;
+ break;
+ }
+ }
+ } else {
+ need_scan_psc = true;
+ }
+
+ /*
+ * add to the scan request the channels that need to be scanned
+ * regardless of the collocated APs (PSC channels or all channels
+ * in case that NL80211_SCAN_FLAG_COLOCATED_6GHZ is not set)
+ */
+ for (i = 0; i < rdev_req->n_channels; i++) {
+ if (rdev_req->channels[i]->band == NL80211_BAND_6GHZ &&
+ ((need_scan_psc &&
+ cfg80211_channel_is_psc(rdev_req->channels[i])) ||
+ !(rdev_req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ))) {
+ cfg80211_scan_req_add_chan(request,
+ rdev_req->channels[i],
+ false);
+ }
+ }
+
+ if (!(rdev_req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ))
+ goto skip;
+
+ list_for_each_entry(ap, &coloc_ap_list, list) {
+ bool found = false;
+ struct cfg80211_scan_6ghz_params *scan_6ghz_params =
+ &request->scan_6ghz_params[request->n_6ghz_params];
+ struct ieee80211_channel *chan =
+ ieee80211_get_channel(&rdev->wiphy, ap->center_freq);
+
+ if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ for (i = 0; i < rdev_req->n_channels; i++) {
+ if (rdev_req->channels[i] == chan)
+ found = true;
+ }
+
+ if (!found)
+ continue;
+
+ if (request->n_ssids > 0 &&
+ !cfg80211_find_ssid_match(ap, request))
+ continue;
+
+ cfg80211_scan_req_add_chan(request, chan, true);
+ memcpy(scan_6ghz_params->bssid, ap->bssid, ETH_ALEN);
+ scan_6ghz_params->short_ssid = ap->short_ssid;
+ scan_6ghz_params->short_ssid_valid = ap->short_ssid_valid;
+ scan_6ghz_params->unsolicited_probe = ap->unsolicited_probe;
+
+ /*
+ * If a PSC channel is added to the scan and 'need_scan_psc' is
+ * set to false, then all the APs that the scan logic is
+ * interested with on the channel are collocated and thus there
+ * is no need to perform the initial PSC channel listen.
+ */
+ if (cfg80211_channel_is_psc(chan) && !need_scan_psc)
+ scan_6ghz_params->psc_no_listen = true;
+
+ request->n_6ghz_params++;
+ }
+
+skip:
+ cfg80211_free_coloc_ap_list(&coloc_ap_list);
+
+ if (request->n_channels) {
+ struct cfg80211_scan_request *old = rdev->int_scan_req;
+
+ rdev->int_scan_req = request;
+
+ /*
+ * If this scan follows a previous scan, save the scan start
+ * info from the first part of the scan
+ */
+ if (old)
+ rdev->int_scan_req->info = old->info;
+
+ err = rdev_scan(rdev, request);
+ if (err) {
+ rdev->int_scan_req = old;
+ kfree(request);
+ } else {
+ kfree(old);
+ }
+
+ return err;
+ }
+
+ kfree(request);
+ return -EINVAL;
+}
+
+int cfg80211_scan(struct cfg80211_registered_device *rdev)
+{
+ struct cfg80211_scan_request *request;
+ struct cfg80211_scan_request *rdev_req = rdev->scan_req;
+ u32 n_channels = 0, idx, i;
+
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_SPLIT_SCAN_6GHZ))
+ return rdev_scan(rdev, rdev_req);
+
+ for (i = 0; i < rdev_req->n_channels; i++) {
+ if (rdev_req->channels[i]->band != NL80211_BAND_6GHZ)
+ n_channels++;
+ }
+
+ if (!n_channels)
+ return cfg80211_scan_6ghz(rdev);
+
+ request = kzalloc(struct_size(request, channels, n_channels),
+ GFP_KERNEL);
+ if (!request)
+ return -ENOMEM;
+
+ *request = *rdev_req;
+ request->n_channels = n_channels;
+
+ for (i = idx = 0; i < rdev_req->n_channels; i++) {
+ if (rdev_req->channels[i]->band != NL80211_BAND_6GHZ)
+ request->channels[idx++] = rdev_req->channels[i];
+ }
+
+ rdev_req->scan_6ghz = false;
+ rdev->int_scan_req = request;
+ return rdev_scan(rdev, request);
+}
+
void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
bool send_message)
{
- struct cfg80211_scan_request *request;
+ struct cfg80211_scan_request *request, *rdev_req;
struct wireless_dev *wdev;
struct sk_buff *msg;
#ifdef CONFIG_CFG80211_WEXT
@@ -466,11 +928,18 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
return;
}
- request = rdev->scan_req;
- if (!request)
+ rdev_req = rdev->scan_req;
+ if (!rdev_req)
return;
- wdev = request->wdev;
+ wdev = rdev_req->wdev;
+ request = rdev->int_scan_req ? rdev->int_scan_req : rdev_req;
+
+ if (wdev_running(wdev) &&
+ (rdev->wiphy.flags & WIPHY_FLAG_SPLIT_SCAN_6GHZ) &&
+ !rdev_req->scan_6ghz && !request->info.aborted &&
+ !cfg80211_scan_6ghz(rdev))
+ return;
/*
* This must be before sending the other events!
@@ -501,8 +970,11 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
if (wdev->netdev)
dev_put(wdev->netdev);
+ kfree(rdev->int_scan_req);
+ rdev->int_scan_req = NULL;
+
+ kfree(rdev->scan_req);
rdev->scan_req = NULL;
- kfree(request);
if (!send_message)
rdev->scan_msg = msg;
@@ -525,10 +997,25 @@ void __cfg80211_scan_done(struct work_struct *wk)
void cfg80211_scan_done(struct cfg80211_scan_request *request,
struct cfg80211_scan_info *info)
{
+ struct cfg80211_scan_info old_info = request->info;
+
trace_cfg80211_scan_done(request, info);
- WARN_ON(request != wiphy_to_rdev(request->wiphy)->scan_req);
+ WARN_ON(request != wiphy_to_rdev(request->wiphy)->scan_req &&
+ request != wiphy_to_rdev(request->wiphy)->int_scan_req);
request->info = *info;
+
+ /*
+ * In case the scan is split, the scan_start_tsf and tsf_bssid should
+ * be of the first part. In such a case old_info.scan_start_tsf should
+ * be non zero.
+ */
+ if (request->scan_6ghz && old_info.scan_start_tsf) {
+ request->info.scan_start_tsf = old_info.scan_start_tsf;
+ memcpy(request->info.tsf_bssid, old_info.tsf_bssid,
+ sizeof(request->info.tsf_bssid));
+ }
+
request->notified = true;
queue_work(cfg80211_wq, &wiphy_to_rdev(request->wiphy)->scan_done_wk);
}
@@ -1315,15 +1802,24 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
int channel_number = -1;
struct ieee80211_channel *alt_channel;
- tmp = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ie, ielen);
- if (tmp && tmp[1] == 1) {
- channel_number = tmp[2];
+ if (channel->band == NL80211_BAND_S1GHZ) {
+ tmp = cfg80211_find_ie(WLAN_EID_S1G_OPERATION, ie, ielen);
+ if (tmp && tmp[1] >= sizeof(struct ieee80211_s1g_oper_ie)) {
+ struct ieee80211_s1g_oper_ie *s1gop = (void *)(tmp + 2);
+
+ channel_number = s1gop->primary_ch;
+ }
} else {
- tmp = cfg80211_find_ie(WLAN_EID_HT_OPERATION, ie, ielen);
- if (tmp && tmp[1] >= sizeof(struct ieee80211_ht_operation)) {
- struct ieee80211_ht_operation *htop = (void *)(tmp + 2);
+ tmp = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ie, ielen);
+ if (tmp && tmp[1] == 1) {
+ channel_number = tmp[2];
+ } else {
+ tmp = cfg80211_find_ie(WLAN_EID_HT_OPERATION, ie, ielen);
+ if (tmp && tmp[1] >= sizeof(struct ieee80211_ht_operation)) {
+ struct ieee80211_ht_operation *htop = (void *)(tmp + 2);
- channel_number = htop->primary_chan;
+ channel_number = htop->primary_chan;
+ }
}
}
@@ -1488,7 +1984,7 @@ static const struct element
ielen - (mbssid_end - ie));
/*
- * If is is not the last subelement in current MBSSID IE or there isn't
+ * If it is not the last subelement in current MBSSID IE or there isn't
* a next MBSSID IE - profile is complete.
*/
if ((sub_elem->data + sub_elem->datalen < mbssid_end - 1) ||
@@ -1807,8 +2303,11 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
struct cfg80211_bss_ies *ies;
struct ieee80211_channel *channel;
bool signal_valid;
- size_t ielen = len - offsetof(struct ieee80211_mgmt,
- u.probe_resp.variable);
+ struct ieee80211_ext *ext = NULL;
+ u8 *bssid, *variable;
+ u16 capability, beacon_int;
+ size_t ielen, min_hdr_len = offsetof(struct ieee80211_mgmt,
+ u.probe_resp.variable);
int bss_type;
BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
@@ -1826,21 +2325,57 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
(data->signal < 0 || data->signal > 100)))
return NULL;
- if (WARN_ON(len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable)))
+ if (ieee80211_is_s1g_beacon(mgmt->frame_control)) {
+ ext = (void *) mgmt;
+ min_hdr_len = offsetof(struct ieee80211_ext, u.s1g_beacon);
+ if (ieee80211_is_s1g_short_beacon(mgmt->frame_control))
+ min_hdr_len = offsetof(struct ieee80211_ext,
+ u.s1g_short_beacon.variable);
+ }
+
+ if (WARN_ON(len < min_hdr_len))
return NULL;
- channel = cfg80211_get_bss_channel(wiphy, mgmt->u.beacon.variable,
+ ielen = len - min_hdr_len;
+ variable = mgmt->u.probe_resp.variable;
+ if (ext) {
+ if (ieee80211_is_s1g_short_beacon(mgmt->frame_control))
+ variable = ext->u.s1g_short_beacon.variable;
+ else
+ variable = ext->u.s1g_beacon.variable;
+ }
+
+ channel = cfg80211_get_bss_channel(wiphy, variable,
ielen, data->chan, data->scan_width);
if (!channel)
return NULL;
+ if (ext) {
+ struct ieee80211_s1g_bcn_compat_ie *compat;
+ u8 *ie;
+
+ ie = (void *)cfg80211_find_ie(WLAN_EID_S1G_BCN_COMPAT,
+ variable, ielen);
+ if (!ie)
+ return NULL;
+ compat = (void *)(ie + 2);
+ bssid = ext->u.s1g_beacon.sa;
+ capability = le16_to_cpu(compat->compat_info);
+ beacon_int = le16_to_cpu(compat->beacon_int);
+ } else {
+ bssid = mgmt->bssid;
+ beacon_int = le16_to_cpu(mgmt->u.probe_resp.beacon_int);
+ capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
+ }
+
ies = kzalloc(sizeof(*ies) + ielen, gfp);
if (!ies)
return NULL;
ies->len = ielen;
ies->tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp);
- ies->from_beacon = ieee80211_is_beacon(mgmt->frame_control);
- memcpy(ies->data, mgmt->u.probe_resp.variable, ielen);
+ ies->from_beacon = ieee80211_is_beacon(mgmt->frame_control) ||
+ ieee80211_is_s1g_beacon(mgmt->frame_control);
+ memcpy(ies->data, variable, ielen);
if (ieee80211_is_probe_resp(mgmt->frame_control))
rcu_assign_pointer(tmp.pub.proberesp_ies, ies);
@@ -1848,12 +2383,12 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
rcu_assign_pointer(tmp.pub.beacon_ies, ies);
rcu_assign_pointer(tmp.pub.ies, ies);
- memcpy(tmp.pub.bssid, mgmt->bssid, ETH_ALEN);
+ memcpy(tmp.pub.bssid, bssid, ETH_ALEN);
+ tmp.pub.beacon_interval = beacon_int;
+ tmp.pub.capability = capability;
tmp.pub.channel = channel;
tmp.pub.scan_width = data->scan_width;
tmp.pub.signal = data->signal;
- tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int);
- tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info);
tmp.ts_boottime = data->boottime_ns;
tmp.parent_tsf = data->parent_tsf;
tmp.pub.chains = data->chains;
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 079ce320dc1e..38df713f2e2e 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -24,7 +24,7 @@
/*
* Software SME in cfg80211, using auth/assoc/deauth calls to the
- * driver. This is is for implementing nl80211's connect/disconnect
+ * driver. This is for implementing nl80211's connect/disconnect
* and wireless extensions (if configured.)
*/
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 6fa99df52f86..f01746894a4e 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -111,6 +111,33 @@ u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band)
}
EXPORT_SYMBOL(ieee80211_channel_to_freq_khz);
+enum nl80211_chan_width
+ieee80211_s1g_channel_width(const struct ieee80211_channel *chan)
+{
+ if (WARN_ON(!chan || chan->band != NL80211_BAND_S1GHZ))
+ return NL80211_CHAN_WIDTH_20_NOHT;
+
+ /*S1G defines a single allowed channel width per channel.
+ * Extract that width here.
+ */
+ if (chan->flags & IEEE80211_CHAN_1MHZ)
+ return NL80211_CHAN_WIDTH_1;
+ else if (chan->flags & IEEE80211_CHAN_2MHZ)
+ return NL80211_CHAN_WIDTH_2;
+ else if (chan->flags & IEEE80211_CHAN_4MHZ)
+ return NL80211_CHAN_WIDTH_4;
+ else if (chan->flags & IEEE80211_CHAN_8MHZ)
+ return NL80211_CHAN_WIDTH_8;
+ else if (chan->flags & IEEE80211_CHAN_16MHZ)
+ return NL80211_CHAN_WIDTH_16;
+
+ pr_err("unknown channel width for channel at %dKHz?\n",
+ ieee80211_channel_to_khz(chan));
+
+ return NL80211_CHAN_WIDTH_1;
+}
+EXPORT_SYMBOL(ieee80211_s1g_channel_width);
+
int ieee80211_freq_khz_to_channel(u32 freq)
{
/* TODO: just handle MHz for now */
@@ -399,6 +426,11 @@ unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc)
{
unsigned int hdrlen = 24;
+ if (ieee80211_is_ext(fc)) {
+ hdrlen = 4;
+ goto out;
+ }
+
if (ieee80211_is_data(fc)) {
if (ieee80211_has_a4(fc))
hdrlen = 30;
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 4d2160c989a3..78f2927ead7f 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -497,7 +497,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
/*
* We only need to store WEP keys, since they're the only keys that
- * can be be set before a connection is established and persist after
+ * can be set before a connection is established and persist after
* disconnecting.
*/
if (!addr && (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.