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Diffstat (limited to 'net/wireless/util.c')
-rw-r--r--net/wireless/util.c80
1 files changed, 52 insertions, 28 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index b7d1592bd5b8..659b507b347d 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -218,7 +218,7 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
struct key_params *params, int key_idx,
bool pairwise, const u8 *mac_addr)
{
- if (key_idx > 5)
+ if (key_idx < 0 || key_idx > 5)
return -EINVAL;
if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
@@ -249,7 +249,13 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
/* Disallow BIP (group-only) cipher as pairwise cipher */
if (pairwise)
return -EINVAL;
+ if (key_idx < 4)
+ return -EINVAL;
break;
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ if (key_idx > 3)
+ return -EINVAL;
default:
break;
}
@@ -414,8 +420,8 @@ unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
}
EXPORT_SYMBOL(ieee80211_get_mesh_hdrlen);
-static int __ieee80211_data_to_8023(struct sk_buff *skb, struct ethhdr *ehdr,
- const u8 *addr, enum nl80211_iftype iftype)
+int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
+ const u8 *addr, enum nl80211_iftype iftype)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct {
@@ -519,13 +525,7 @@ static int __ieee80211_data_to_8023(struct sk_buff *skb, struct ethhdr *ehdr,
return 0;
}
-
-int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
- enum nl80211_iftype iftype)
-{
- return __ieee80211_data_to_8023(skb, NULL, addr, iftype);
-}
-EXPORT_SYMBOL(ieee80211_data_to_8023);
+EXPORT_SYMBOL(ieee80211_data_to_8023_exthdr);
int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
enum nl80211_iftype iftype,
@@ -740,24 +740,18 @@ __ieee80211_amsdu_copy(struct sk_buff *skb, unsigned int hlen,
void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
const u8 *addr, enum nl80211_iftype iftype,
const unsigned int extra_headroom,
- bool has_80211_header)
+ const u8 *check_da, const u8 *check_sa)
{
unsigned int hlen = ALIGN(extra_headroom, 4);
struct sk_buff *frame = NULL;
u16 ethertype;
u8 *payload;
- int offset = 0, remaining, err;
+ int offset = 0, remaining;
struct ethhdr eth;
bool reuse_frag = skb->head_frag && !skb_has_frag_list(skb);
bool reuse_skb = false;
bool last = false;
- if (has_80211_header) {
- err = __ieee80211_data_to_8023(skb, &eth, addr, iftype);
- if (err)
- goto out;
- }
-
while (!last) {
unsigned int subframe_len;
int len;
@@ -774,8 +768,17 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
goto purge;
offset += sizeof(struct ethhdr);
- /* reuse skb for the last subframe */
last = remaining <= subframe_len + padding;
+
+ /* FIXME: should we really accept multicast DA? */
+ if ((check_da && !is_multicast_ether_addr(eth.h_dest) &&
+ !ether_addr_equal(check_da, eth.h_dest)) ||
+ (check_sa && !ether_addr_equal(check_sa, eth.h_source))) {
+ offset += len + padding;
+ continue;
+ }
+
+ /* reuse skb for the last subframe */
if (!skb_is_nonlinear(skb) && !reuse_frag && last) {
skb_pull(skb, offset);
frame = skb;
@@ -813,7 +816,6 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
purge:
__skb_queue_purge(list);
- out:
dev_kfree_skb(skb);
}
EXPORT_SYMBOL(ieee80211_amsdu_to_8023s);
@@ -906,7 +908,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
if (!wdev->connect_keys)
return;
- for (i = 0; i < 6; i++) {
+ for (i = 0; i < CFG80211_MAX_WEP_KEYS; i++) {
if (!wdev->connect_keys->params[i].cipher)
continue;
if (rdev_add_key(rdev, dev, i, false, NULL,
@@ -919,9 +921,6 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
netdev_err(dev, "failed to set defkey %d\n", i);
continue;
}
- if (wdev->connect_keys->defmgmt == i)
- if (rdev_set_default_mgmt_key(rdev, dev, i))
- netdev_err(dev, "failed to set mgtdef %d\n", i);
}
kzfree(wdev->connect_keys);
@@ -1005,8 +1004,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
if (otype == NL80211_IFTYPE_AP_VLAN)
return -EOPNOTSUPP;
- /* cannot change into P2P device type */
- if (ntype == NL80211_IFTYPE_P2P_DEVICE)
+ /* cannot change into P2P device or NAN */
+ if (ntype == NL80211_IFTYPE_P2P_DEVICE ||
+ ntype == NL80211_IFTYPE_NAN)
return -EOPNOTSUPP;
if (!rdev->ops->change_virtual_intf ||
@@ -1085,6 +1085,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
/* not happening */
break;
case NL80211_IFTYPE_P2P_DEVICE:
+ case NL80211_IFTYPE_NAN:
WARN_ON(1);
break;
}
@@ -1157,7 +1158,8 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
58500000,
65000000,
78000000,
- 0,
+ /* not in the spec, but some devices use this: */
+ 86500000,
},
{ 13500000,
27000000,
@@ -1559,7 +1561,7 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev;
int res = 0;
- if (!beacon_int)
+ if (beacon_int < 10 || beacon_int > 10000)
return -EINVAL;
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
@@ -1757,6 +1759,28 @@ int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr,
}
EXPORT_SYMBOL(cfg80211_get_station);
+void cfg80211_free_nan_func(struct cfg80211_nan_func *f)
+{
+ int i;
+
+ if (!f)
+ return;
+
+ kfree(f->serv_spec_info);
+ kfree(f->srf_bf);
+ kfree(f->srf_macs);
+ for (i = 0; i < f->num_rx_filters; i++)
+ kfree(f->rx_filters[i].filter);
+
+ for (i = 0; i < f->num_tx_filters; i++)
+ kfree(f->tx_filters[i].filter);
+
+ kfree(f->rx_filters);
+ kfree(f->tx_filters);
+ kfree(f);
+}
+EXPORT_SYMBOL(cfg80211_free_nan_func);
+
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
const unsigned char rfc1042_header[] __aligned(2) =
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-05-19 21:36:00 +0000