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-rw-r--r--net/wireless/core.c5
-rw-r--r--net/wireless/mesh.c8
-rw-r--r--net/wireless/nl80211.c135
-rw-r--r--net/wireless/rdev-ops.h25
-rw-r--r--net/wireless/sme.c1
-rw-r--r--net/wireless/trace.h60
-rw-r--r--net/wireless/util.c13
7 files changed, 240 insertions, 7 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 83ea164f16b3..7b33e8c366bc 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -711,6 +711,11 @@ int wiphy_register(struct wiphy *wiphy)
(wiphy->bss_select_support & ~(BIT(__NL80211_BSS_SELECT_ATTR_AFTER_LAST) - 2))))
return -EINVAL;
+ if (WARN_ON(wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X) &&
+ (!rdev->ops->set_pmk || !rdev->ops->del_pmk)))
+ return -EINVAL;
+
if (wiphy->addresses)
memcpy(wiphy->perm_addr, wiphy->addresses[0].addr, ETH_ALEN);
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index ec0b1c20ac99..421a6b80ec62 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -174,6 +174,14 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
scan_width);
}
+ err = cfg80211_chandef_dfs_required(&rdev->wiphy,
+ &setup->chandef,
+ NL80211_IFTYPE_MESH_POINT);
+ if (err < 0)
+ return err;
+ if (err > 0 && !setup->userspace_handles_dfs)
+ return -EINVAL;
+
if (!cfg80211_reg_can_beacon(&rdev->wiphy, &setup->chandef,
NL80211_IFTYPE_MESH_POINT))
return -EINVAL;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c3bc9da30cff..5487cd775b6f 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -7501,6 +7501,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
int err;
bool need_new_beacon = false;
+ bool need_handle_dfs_flag = true;
int len, i;
u32 cs_count;
@@ -7512,6 +7513,12 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
need_new_beacon = true;
+ /* For all modes except AP the handle_dfs flag needs to be
+ * supplied to tell the kernel that userspace will handle radar
+ * events when they happen. Otherwise a switch to a channel
+ * requiring DFS will be rejected.
+ */
+ need_handle_dfs_flag = false;
/* useless if AP is not running */
if (!wdev->beacon_interval)
@@ -7634,8 +7641,13 @@ skip_beacons:
if (err < 0)
return err;
- if (err > 0)
+ if (err > 0) {
params.radar_required = true;
+ if (need_handle_dfs_flag &&
+ !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
+ return -EINVAL;
+ }
+ }
if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
params.block_tx = true;
@@ -8156,6 +8168,15 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
memcpy(settings->akm_suites, data, len);
}
+ if (info->attrs[NL80211_ATTR_PMK]) {
+ if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN)
+ return -EINVAL;
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
+ return -EINVAL;
+ settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]);
+ }
+
return 0;
}
@@ -8860,6 +8881,12 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
+ if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] &&
+ !wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
+ return -EINVAL;
+ connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS];
+
err = nl80211_crypto_settings(rdev, info, &connect.crypto,
NL80211_MAX_NR_CIPHER_SUITES);
if (err)
@@ -9962,6 +9989,9 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
return err;
}
+ setup.userspace_handles_dfs =
+ nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
+
return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
}
@@ -12241,6 +12271,90 @@ static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
return rdev_set_multicast_to_unicast(rdev, dev, enabled);
}
+static int nl80211_set_pmk(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_pmk_conf pmk_conf = {};
+ int ret;
+
+ if (wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
+ return -EINVAL;
+
+ wdev_lock(wdev);
+ if (!wdev->current_bss) {
+ ret = -ENOTCONN;
+ goto out;
+ }
+
+ pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
+ pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
+ if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
+ pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
+ ret = -EINVAL;
+ 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;
+ }
+
+ pmk_conf.pmk_r0_name =
+ nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
+ }
+
+ ret = rdev_set_pmk(rdev, dev, &pmk_conf);
+out:
+ wdev_unlock(wdev);
+ return ret;
+}
+
+static int nl80211_del_pmk(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;
+ const u8 *aa;
+ int ret;
+
+ if (wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ return -EOPNOTSUPP;
+
+ if (!wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ wdev_lock(wdev);
+ aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ ret = rdev_del_pmk(rdev, dev, aa);
+ wdev_unlock(wdev);
+
+ return ret;
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -13116,6 +13230,21 @@ static const struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_NETDEV |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_SET_PMK,
+ .doit = nl80211_set_pmk,
+ .policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_PMK,
+ .doit = nl80211_del_pmk,
+ .policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
+
};
static struct genl_family nl80211_fam __ro_after_init = {
@@ -13671,7 +13800,9 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
info->req_ie)) ||
(info->resp_ie &&
nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len,
- info->resp_ie)))
+ info->resp_ie)) ||
+ (info->authorized &&
+ nla_put_flag(msg, NL80211_ATTR_PORT_AUTHORIZED)))
goto nla_put_failure;
genlmsg_end(msg, hdr);
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 0598c1e5d0ad..ce23d7d49960 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -1164,4 +1164,29 @@ rdev_set_coalesce(struct cfg80211_registered_device *rdev,
trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}
+
+static inline int rdev_set_pmk(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_pmk_conf *pmk_conf)
+{
+ int ret = -EOPNOTSUPP;
+
+ trace_rdev_set_pmk(&rdev->wiphy, dev, pmk_conf);
+ if (rdev->ops->set_pmk)
+ ret = rdev->ops->set_pmk(&rdev->wiphy, dev, pmk_conf);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
+
+static inline int rdev_del_pmk(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, const u8 *aa)
+{
+ int ret = -EOPNOTSUPP;
+
+ trace_rdev_del_pmk(&rdev->wiphy, dev, aa);
+ if (rdev->ops->del_pmk)
+ ret = rdev->ops->del_pmk(&rdev->wiphy, dev, aa);
+ trace_rdev_return_int(&rdev->wiphy, ret);
+ return ret;
+}
#endif /* __CFG80211_RDEV_OPS */
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 532a0007ce82..0a49b88070d0 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -960,6 +960,7 @@ void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
ev->rm.resp_ie_len = info->resp_ie_len;
memcpy((void *)ev->rm.resp_ie, info->resp_ie, info->resp_ie_len);
ev->rm.bss = info->bss;
+ ev->rm.authorized = info->authorized;
spin_lock_irqsave(&wdev->event_lock, flags);
list_add_tail(&ev->list, &wdev->event_list);
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index ca8b2059f92c..0f8db41eaddb 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -2258,6 +2258,66 @@ TRACE_EVENT(rdev_tdls_cancel_channel_switch,
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(addr))
);
+TRACE_EVENT(rdev_set_pmk,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ struct cfg80211_pmk_conf *pmk_conf),
+
+ TP_ARGS(wiphy, netdev, pmk_conf),
+
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ MAC_ENTRY(aa)
+ __field(u8, pmk_len)
+ __field(u8, pmk_r0_name_len)
+ __dynamic_array(u8, pmk, pmk_conf->pmk_len)
+ __dynamic_array(u8, pmk_r0_name, WLAN_PMK_NAME_LEN)
+ ),
+
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ MAC_ASSIGN(aa, pmk_conf->aa);
+ __entry->pmk_len = pmk_conf->pmk_len;
+ __entry->pmk_r0_name_len =
+ pmk_conf->pmk_r0_name ? WLAN_PMK_NAME_LEN : 0;
+ memcpy(__get_dynamic_array(pmk), pmk_conf->pmk,
+ pmk_conf->pmk_len);
+ memcpy(__get_dynamic_array(pmk_r0_name), pmk_conf->pmk_r0_name,
+ pmk_conf->pmk_r0_name ? WLAN_PMK_NAME_LEN : 0);
+ ),
+
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT
+ "pmk_len=%u, pmk: %s pmk_r0_name: %s", WIPHY_PR_ARG,
+ NETDEV_PR_ARG, MAC_PR_ARG(aa), __entry->pmk_len,
+ __print_array(__get_dynamic_array(pmk),
+ __get_dynamic_array_len(pmk), 1),
+ __entry->pmk_r0_name_len ?
+ __print_array(__get_dynamic_array(pmk_r0_name),
+ __get_dynamic_array_len(pmk_r0_name), 1) : "")
+);
+
+TRACE_EVENT(rdev_del_pmk,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *aa),
+
+ TP_ARGS(wiphy, netdev, aa),
+
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ MAC_ENTRY(aa)
+ ),
+
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ MAC_ASSIGN(aa, aa);
+ ),
+
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT,
+ WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(aa))
+);
+
/*************************************************************
* cfg80211 exported functions traces *
*************************************************************/
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4992f1025c9d..bcb1284c3415 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -522,7 +522,7 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
pskb_pull(skb, hdrlen);
if (!ehdr)
- ehdr = (struct ethhdr *) skb_push(skb, sizeof(struct ethhdr));
+ ehdr = skb_push(skb, sizeof(struct ethhdr));
memcpy(ehdr, &tmp, sizeof(tmp));
return 0;
@@ -1219,8 +1219,8 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
u32 bitrate;
int idx;
- if (WARN_ON_ONCE(rate->mcs > 9))
- return 0;
+ if (rate->mcs > 9)
+ goto warn;
switch (rate->bw) {
case RATE_INFO_BW_160:
@@ -1235,8 +1235,7 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
case RATE_INFO_BW_5:
case RATE_INFO_BW_10:
default:
- WARN_ON(1);
- /* fall through */
+ goto warn;
case RATE_INFO_BW_20:
idx = 0;
}
@@ -1249,6 +1248,10 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
/* do NOT round down here */
return (bitrate + 50000) / 100000;
+ warn:
+ WARN_ONCE(1, "invalid rate bw=%d, mcs=%d, nss=%d\n",
+ rate->bw, rate->mcs, rate->nss);
+ return 0;
}
u32 cfg80211_calculate_bitrate(struct rate_info *rate)