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-rw-r--r--net/wireless/mlme.c11
-rw-r--r--net/wireless/nl80211.c113
-rw-r--r--net/wireless/nl80211.h4
-rw-r--r--net/wireless/scan.c5
4 files changed, 130 insertions, 3 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 3633ab6af184..832f6574e4ed 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -1084,3 +1084,14 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev,
nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp);
}
EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
+
+void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 50ff82aa4890..491b0ba40c43 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -176,6 +176,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
[NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
[NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
+ [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
};
/* policy for the key attributes */
@@ -206,6 +207,14 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
[NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
};
+/* policy for GTK rekey offload attributes */
+static const struct nla_policy
+nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
+ [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
+ [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
+ [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
+};
+
/* ifidx get helper */
static int nl80211_get_ifidx(struct netlink_callback *cb)
{
@@ -5408,6 +5417,57 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
return err;
}
+static int nl80211_set_rekey_data(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 nlattr *tb[NUM_NL80211_REKEY_DATA];
+ struct cfg80211_gtk_rekey_data rekey_data;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_REKEY_DATA])
+ return -EINVAL;
+
+ err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
+ nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
+ nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
+ nl80211_rekey_policy);
+ if (err)
+ return err;
+
+ 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)
+ return -ERANGE;
+ if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
+ return -ERANGE;
+
+ memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
+ NL80211_KEK_LEN);
+ memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
+ NL80211_KCK_LEN);
+ memcpy(rekey_data.replay_ctr,
+ nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
+ NL80211_REPLAY_CTR_LEN);
+
+ wdev_lock(wdev);
+ if (!wdev->current_bss) {
+ err = -ENOTCONN;
+ goto out;
+ }
+
+ if (!rdev->ops->set_rekey_data) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data);
+ out:
+ wdev_unlock(wdev);
+ return err;
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -5939,6 +5999,14 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_WIPHY |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
+ .doit = nl80211_set_rekey_data,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
@@ -6883,6 +6951,51 @@ nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
nlmsg_free(msg);
}
+void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *rekey_attr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+
+ rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
+ if (!rekey_attr)
+ goto nla_put_failure;
+
+ NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR,
+ NL80211_REPLAY_CTR_LEN, replay_ctr);
+
+ nla_nest_end(msg, rekey_attr);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
void
nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 2f1bfb87a651..5d69c56400ae 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -109,4 +109,8 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
u32 num_packets, gfp_t gfp);
+void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp);
+
#endif /* __NET_WIRELESS_NL80211_H */
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7a6c67667d70..5d23503dd5e0 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -132,7 +132,6 @@ EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
bool driver_initiated)
{
- int err;
struct net_device *dev;
ASSERT_RDEV_LOCK(rdev);
@@ -143,7 +142,7 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
dev = rdev->sched_scan_req->dev;
if (!driver_initiated) {
- err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev);
+ int err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev);
if (err)
return err;
}
@@ -153,7 +152,7 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
kfree(rdev->sched_scan_req);
rdev->sched_scan_req = NULL;
- return err;
+ return 0;
}
static void bss_release(struct kref *ref)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 21:17:08 +0000