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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c121
1 files changed, 117 insertions, 4 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d95f8053020d..0da2e6a2a7ea 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5,7 +5,7 @@
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2023 Intel Corporation
*/
#include <linux/if.h>
@@ -816,6 +816,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS] = { .type = NLA_U16 },
[NL80211_ATTR_HW_TIMESTAMP_ENABLED] = { .type = NLA_FLAG },
[NL80211_ATTR_EMA_RNR_ELEMS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_MLO_LINK_DISABLED] = { .type = NLA_FLAG },
};
/* policy for the key attributes */
@@ -3081,6 +3082,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
if (state->filter_wiphy != -1 &&
state->filter_wiphy != rdev->wiphy_idx)
continue;
+ wiphy_lock(&rdev->wiphy);
/* attempt to fit multiple wiphy data chunks into the skb */
do {
ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
@@ -3107,6 +3109,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
cb->min_dump_alloc < 4096) {
cb->min_dump_alloc = 4096;
state->split_start = 0;
+ wiphy_unlock(&rdev->wiphy);
rtnl_unlock();
return 1;
}
@@ -3114,6 +3117,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
break;
}
} while (state->split_start > 0);
+ wiphy_unlock(&rdev->wiphy);
break;
}
rtnl_unlock();
@@ -6365,12 +6369,27 @@ bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
return false;
switch (info->bw) {
+ case RATE_INFO_BW_1:
+ rate_flg = NL80211_RATE_INFO_1_MHZ_WIDTH;
+ break;
+ case RATE_INFO_BW_2:
+ rate_flg = NL80211_RATE_INFO_2_MHZ_WIDTH;
+ break;
+ case RATE_INFO_BW_4:
+ rate_flg = NL80211_RATE_INFO_4_MHZ_WIDTH;
+ break;
case RATE_INFO_BW_5:
rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
break;
+ case RATE_INFO_BW_8:
+ rate_flg = NL80211_RATE_INFO_8_MHZ_WIDTH;
+ break;
case RATE_INFO_BW_10:
rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
break;
+ case RATE_INFO_BW_16:
+ rate_flg = NL80211_RATE_INFO_16_MHZ_WIDTH;
+ break;
default:
WARN_ON(1);
fallthrough;
@@ -6429,6 +6448,14 @@ bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
info->he_ru_alloc))
return false;
+ } else if (info->flags & RATE_INFO_FLAGS_S1G_MCS) {
+ if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_MCS, info->mcs))
+ return false;
+ if (nla_put_u8(msg, NL80211_RATE_INFO_S1G_NSS, info->nss))
+ return false;
+ if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
+ nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
+ return false;
} else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
return false;
@@ -10723,6 +10750,8 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_MLD_ADDR])
return -EINVAL;
req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]);
+ if (!is_valid_ether_addr(req.ap_mld_addr))
+ return -EINVAL;
}
req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len,
@@ -11110,6 +11139,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
goto free;
}
}
+
+ req.links[link_id].disabled =
+ nla_get_flag(attrs[NL80211_ATTR_MLO_LINK_DISABLED]);
}
if (!req.links[req.link_id].bss) {
@@ -11124,6 +11156,13 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
goto free;
}
+ if (req.links[req.link_id].disabled) {
+ GENL_SET_ERR_MSG(info,
+ "cannot have assoc link disabled");
+ err = -EINVAL;
+ goto free;
+ }
+
kfree(attrs);
attrs = NULL;
} else {
@@ -12223,6 +12262,7 @@ static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
u32 peer_capability = 0;
u16 status_code;
u8 *peer;
+ int link_id;
bool initiator;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
@@ -12244,8 +12284,9 @@ static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
peer_capability =
nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
+ link_id = nl80211_link_id_or_invalid(info->attrs);
- return rdev_tdls_mgmt(rdev, dev, peer, action_code,
+ return rdev_tdls_mgmt(rdev, dev, peer, link_id, action_code,
dialog_token, status_code, peer_capability,
initiator,
nla_data(info->attrs[NL80211_ATTR_IE]),
@@ -17112,7 +17153,8 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tdls_mgmt,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_MLO_VALID_LINK_ID),
},
{
.cmd = NL80211_CMD_TDLS_OPER,
@@ -18246,6 +18288,76 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
nlmsg_free(msg);
}
+void cfg80211_links_removed(struct net_device *dev, u16 link_mask)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+ struct sk_buff *msg;
+ struct nlattr *links;
+ void *hdr;
+
+ ASSERT_WDEV_LOCK(wdev);
+ trace_cfg80211_links_removed(dev, link_mask);
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
+ wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
+ return;
+
+ if (WARN_ON(!wdev->valid_links || !link_mask ||
+ (wdev->valid_links & link_mask) != link_mask ||
+ wdev->valid_links == link_mask))
+ return;
+
+ cfg80211_wdev_release_link_bsses(wdev, link_mask);
+ wdev->valid_links &= ~link_mask;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_LINKS_REMOVED);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+ nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
+ goto nla_put_failure;
+
+ links = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
+ if (!links)
+ goto nla_put_failure;
+
+ while (link_mask) {
+ struct nlattr *link;
+ int link_id = __ffs(link_mask);
+
+ link = nla_nest_start(msg, link_id + 1);
+ if (!link)
+ goto nla_put_failure;
+
+ if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
+ goto nla_put_failure;
+
+ nla_nest_end(msg, link);
+ link_mask &= ~(1 << link_id);
+ }
+
+ nla_nest_end(msg, links);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
+ NL80211_MCGRP_MLME, GFP_KERNEL);
+ return;
+
+ nla_put_failure:
+ nlmsg_free(msg);
+}
+EXPORT_SYMBOL(cfg80211_links_removed);
+
void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *bssid,
gfp_t gfp)
@@ -19772,7 +19884,8 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
list) {
if (sched_scan_req->owner_nlportid == notify->portid) {
sched_scan_req->nl_owner_dead = true;
- schedule_work(&rdev->sched_scan_stop_wk);
+ wiphy_work_queue(&rdev->wiphy,
+ &rdev->sched_scan_stop_wk);
}
}
generated by cgit (git 2.34.1) at 2024-06-26 10:16:40 +0000