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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c168
1 files changed, 114 insertions, 54 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d91a408db113..25a9e3b5c154 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4,7 +4,7 @@
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018-2019 Intel Corporation
*/
#include <linux/if.h>
@@ -203,29 +203,17 @@ cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
static int validate_ie_attr(const struct nlattr *attr,
struct netlink_ext_ack *extack)
{
- const u8 *pos;
- int len;
+ const u8 *data = nla_data(attr);
+ unsigned int len = nla_len(attr);
+ const struct element *elem;
- pos = nla_data(attr);
- len = nla_len(attr);
-
- while (len) {
- u8 elemlen;
-
- if (len < 2)
- goto error;
- len -= 2;
-
- elemlen = pos[1];
- if (elemlen > len)
- goto error;
-
- len -= elemlen;
- pos += 2 + elemlen;
+ for_each_element(elem, data, len) {
+ /* nothing */
}
- return 0;
-error:
+ if (for_each_element_completed(elem, data, len))
+ return 0;
+
NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements");
return -EINVAL;
}
@@ -259,15 +247,13 @@ nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = {
static const struct nla_policy
nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = {
[NL80211_PMSR_TYPE_FTM] =
- NLA_POLICY_NESTED(NL80211_PMSR_FTM_REQ_ATTR_MAX,
- nl80211_pmsr_ftm_req_attr_policy),
+ NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy),
};
static const struct nla_policy
nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
[NL80211_PMSR_REQ_ATTR_DATA] =
- NLA_POLICY_NESTED(NL80211_PMSR_TYPE_MAX,
- nl80211_pmsr_req_data_policy),
+ NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy),
[NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG },
};
@@ -280,8 +266,7 @@ nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
*/
[NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
[NL80211_PMSR_PEER_ATTR_REQ] =
- NLA_POLICY_NESTED(NL80211_PMSR_REQ_ATTR_MAX,
- nl80211_pmsr_req_attr_policy),
+ NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
[NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
};
@@ -292,8 +277,7 @@ nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
[NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT },
[NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT },
[NL80211_PMSR_ATTR_PEERS] =
- NLA_POLICY_NESTED_ARRAY(NL80211_PMSR_PEER_ATTR_MAX,
- nl80211_psmr_peer_attr_policy),
+ NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
};
const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
@@ -555,8 +539,8 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
},
[NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
[NL80211_ATTR_PEER_MEASUREMENTS] =
- NLA_POLICY_NESTED(NL80211_PMSR_ATTR_MAX,
- nl80211_pmsr_attr_policy),
+ NLA_POLICY_NESTED(nl80211_pmsr_attr_policy),
+ [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
};
/* policy for the key attributes */
@@ -2278,6 +2262,15 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
if (nl80211_send_pmsr_capa(rdev, msg))
goto nla_put_failure;
+ state->split_start++;
+ break;
+ case 15:
+ if (rdev->wiphy.akm_suites &&
+ nla_put(msg, NL80211_ATTR_AKM_SUITES,
+ sizeof(u32) * rdev->wiphy.n_akm_suites,
+ rdev->wiphy.akm_suites))
+ goto nla_put_failure;
+
/* done */
state->split_start = 0;
break;
@@ -4540,6 +4533,9 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
nl80211_calculate_ap_params(&params);
+ if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
+ params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
+
wdev_lock(wdev);
err = rdev_start_ap(rdev, dev, &params);
if (!err) {
@@ -4851,6 +4847,11 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
PUT_SINFO(PLID, plid, u16);
PUT_SINFO(PLINK_STATE, plink_state, u8);
PUT_SINFO_U64(RX_DURATION, rx_duration);
+ PUT_SINFO_U64(TX_DURATION, tx_duration);
+
+ if (wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
switch (rdev->wiphy.signal_type) {
case CFG80211_SIGNAL_TYPE_MBM:
@@ -5470,6 +5471,15 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
}
+ if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
+ params.airtime_weight =
+ nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
+
+ if (params.airtime_weight &&
+ !wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ return -EOPNOTSUPP;
+
/* Include parameters for TDLS peer (will check later) */
err = nl80211_set_station_tdls(info, &params);
if (err)
@@ -5598,6 +5608,15 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.plink_action =
nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+ if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
+ params.airtime_weight =
+ nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
+
+ if (params.airtime_weight &&
+ !wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
+ return -EOPNOTSUPP;
+
err = nl80211_parse_sta_channel_info(info, &params);
if (err)
return err;
@@ -5803,7 +5822,13 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
pinfo->discovery_timeout)) ||
((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
- pinfo->discovery_retries)))
+ pinfo->discovery_retries)) ||
+ ((pinfo->filled & MPATH_INFO_HOP_COUNT) &&
+ nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT,
+ pinfo->hop_count)) ||
+ ((pinfo->filled & MPATH_INFO_PATH_CHANGE) &&
+ nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE,
+ pinfo->path_change_count)))
goto nla_put_failure;
nla_nest_end(msg, pinfoattr);
@@ -9281,6 +9306,7 @@ struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
struct wireless_dev *wdev,
enum nl80211_commands cmd,
enum nl80211_attrs attr,
+ unsigned int portid,
int vendor_event_idx,
int approxlen, gfp_t gfp)
{
@@ -9304,7 +9330,7 @@ struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
return NULL;
}
- return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0,
+ return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0,
cmd, attr, info, gfp);
}
EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
@@ -9313,6 +9339,7 @@ void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
{
struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
void *hdr = ((void **)skb->cb)[1];
+ struct nlmsghdr *nlhdr = nlmsg_hdr(skb);
struct nlattr *data = ((void **)skb->cb)[2];
enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
@@ -9322,11 +9349,16 @@ void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
nla_nest_end(skb, data);
genlmsg_end(skb, hdr);
- if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
- mcgrp = NL80211_MCGRP_VENDOR;
+ if (nlhdr->nlmsg_pid) {
+ genlmsg_unicast(wiphy_net(&rdev->wiphy), skb,
+ nlhdr->nlmsg_pid);
+ } else {
+ if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
+ mcgrp = NL80211_MCGRP_VENDOR;
- genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
- mcgrp, gfp);
+ genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
+ skb, 0, mcgrp, gfp);
+ }
}
EXPORT_SYMBOL(__cfg80211_send_event_skb);
@@ -9857,7 +9889,10 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
}
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
- dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+ !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
+ wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
return -EOPNOTSUPP;
switch (info->genlhdr->cmd) {
@@ -12708,6 +12743,17 @@ int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
}
EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
+unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+
+ if (WARN_ON(!rdev->cur_cmd_info))
+ return 0;
+
+ return rdev->cur_cmd_info->snd_portid;
+}
+EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender);
+
static int nl80211_set_qos_map(struct sk_buff *skb,
struct genl_info *info)
{
@@ -13047,7 +13093,9 @@ static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->external_auth)
return -EOPNOTSUPP;
- if (!info->attrs[NL80211_ATTR_SSID])
+ if (!info->attrs[NL80211_ATTR_SSID] &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EINVAL;
if (!info->attrs[NL80211_ATTR_BSSID])
@@ -13058,18 +13106,24 @@ static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
memset(&params, 0, sizeof(params));
- 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)
- return -EINVAL;
- memcpy(params.ssid.ssid, nla_data(info->attrs[NL80211_ATTR_SSID]),
- params.ssid.ssid_len);
+ 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)
+ return -EINVAL;
+ memcpy(params.ssid.ssid,
+ nla_data(info->attrs[NL80211_ATTR_SSID]),
+ params.ssid.ssid_len);
+ }
memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]),
ETH_ALEN);
params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
+ if (info->attrs[NL80211_ATTR_PMKID])
+ params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
+
return rdev_external_auth(rdev, dev, &params);
}
@@ -14455,12 +14509,13 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len,
enum nl80211_commands cmd, gfp_t gfp,
- int uapsd_queues)
+ int uapsd_queues, const u8 *req_ies,
+ size_t req_ies_len)
{
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(100 + len, gfp);
+ msg = nlmsg_new(100 + len + req_ies_len, gfp);
if (!msg)
return;
@@ -14472,7 +14527,9 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
- nla_put(msg, NL80211_ATTR_FRAME, len, buf))
+ nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
+ (req_ies &&
+ nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
goto nla_put_failure;
if (uapsd_queues >= 0) {
@@ -14503,15 +14560,17 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
size_t len, gfp_t gfp)
{
nl80211_send_mlme_event(rdev, netdev, buf, len,
- NL80211_CMD_AUTHENTICATE, gfp, -1);
+ NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0);
}
void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *buf,
- size_t len, gfp_t gfp, int uapsd_queues)
+ size_t len, gfp_t gfp, int uapsd_queues,
+ const u8 *req_ies, size_t req_ies_len)
{
nl80211_send_mlme_event(rdev, netdev, buf, len,
- NL80211_CMD_ASSOCIATE, gfp, uapsd_queues);
+ NL80211_CMD_ASSOCIATE, gfp, uapsd_queues,
+ req_ies, req_ies_len);
}
void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
@@ -14519,7 +14578,7 @@ void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
size_t len, gfp_t gfp)
{
nl80211_send_mlme_event(rdev, netdev, buf, len,
- NL80211_CMD_DEAUTHENTICATE, gfp, -1);
+ NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0);
}
void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
@@ -14527,7 +14586,7 @@ void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
size_t len, gfp_t gfp)
{
nl80211_send_mlme_event(rdev, netdev, buf, len,
- NL80211_CMD_DISASSOCIATE, gfp, -1);
+ NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0);
}
void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
@@ -14548,7 +14607,8 @@ void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
- nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1);
+ nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
+ NULL, 0);
}
EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);