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Couple of fixes/small things: 

* TX control port status check fixed to not assume frame format
  * mesh control port fixes
  * error handling/leak fixes when starting AP, with HE attributes
  * fix broadcast packet handling with encapsulation offload
  * add new AKM suites
  * and a small code cleanup
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Merge tag 'mac80211-for-net-2020-06-29' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Couple of fixes/small things:
 * TX control port status check fixed to not assume frame format
 * mesh control port fixes
 * error handling/leak fixes when starting AP, with HE attributes
 * fix broadcast packet handling with encapsulation offload
 * add new AKM suites
 * and a small code cleanup
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.8
David S. Miller 2020-06-29 16:58:30 -07:00
parent a9b1110162 60a0121f8f
commit 33c568ba49
6 changed files with 56 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/ieee80211.h
View File

@ -3333,13 +3333,17 @@ struct ieee80211_multiple_bssid_configuration {
#define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
#define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
#define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
#define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
#define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
#define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
#define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
#define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
#define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
#define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
#define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
#define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
#define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
#define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
#define WLAN_MAX_KEY_LEN 32

7
net/mac80211/mesh_hwmp.c
View File

@ -1105,11 +1105,8 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
ttl, lifetime, 0, ifmsh->preq_id++, sdata);
spin_lock_bh(&mpath->state_lock);
if (mpath->flags & MESH_PATH_DELETED) {
spin_unlock_bh(&mpath->state_lock);
goto enddiscovery;
}
mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
if (!(mpath->flags & MESH_PATH_DELETED))
mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
spin_unlock_bh(&mpath->state_lock);
enddiscovery:

26
net/mac80211/rx.c
View File

@ -2396,6 +2396,7 @@ static int ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx)
static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
{
struct ieee80211_hdr *hdr = (void *)rx->skb->data;
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
@ -2406,6 +2407,31 @@ static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
if (status->flag & RX_FLAG_DECRYPTED)
return 0;
/* check mesh EAPOL frames first */
if (unlikely(rx->sta && ieee80211_vif_is_mesh(&rx->sdata->vif) &&
ieee80211_is_data(fc))) {
struct ieee80211s_hdr *mesh_hdr;
u16 hdr_len = ieee80211_hdrlen(fc);
u16 ethertype_offset;
__be16 ethertype;
if (!ether_addr_equal(hdr->addr1, rx->sdata->vif.addr))
goto drop_check;
/* make sure fixed part of mesh header is there, also checks skb len */
if (!pskb_may_pull(rx->skb, hdr_len + 6))
goto drop_check;
mesh_hdr = (struct ieee80211s_hdr *)(skb->data + hdr_len);
ethertype_offset = hdr_len + ieee80211_get_mesh_hdrlen(mesh_hdr) +
sizeof(rfc1042_header);
if (skb_copy_bits(rx->skb, ethertype_offset, &ethertype, 2) == 0 &&
ethertype == rx->sdata->control_port_protocol)
return 0;
}
drop_check:
/* Drop unencrypted frames if key is set. */
if (unlikely(!ieee80211_has_protected(fc) &&
!ieee80211_is_any_nullfunc(fc) &&

22
net/mac80211/status.c
View File

@ -639,11 +639,23 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr = (void *)skb->data;
__be16 ethertype = 0;
if (skb->len >= ETH_HLEN && skb->protocol == cpu_to_be16(ETH_P_802_3))
skb_copy_bits(skb, 2 * ETH_ALEN, &ethertype, ETH_TLEN);
rcu_read_lock();
sdata = ieee80211_sdata_from_skb(local, skb);
if (sdata) {
if (ieee80211_is_any_nullfunc(hdr->frame_control))
if (ethertype == sdata->control_port_protocol ||
ethertype == cpu_to_be16(ETH_P_PREAUTH))
cfg80211_control_port_tx_status(&sdata->wdev,
cookie,
skb->data,
skb->len,
acked,
GFP_ATOMIC);
else if (ieee80211_is_any_nullfunc(hdr->frame_control))
cfg80211_probe_status(sdata->dev, hdr->addr1,
cookie, acked,
info->status.ack_signal,
@ -654,12 +666,8 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
skb->data, skb->len,
acked, GFP_ATOMIC);
else
cfg80211_control_port_tx_status(&sdata->wdev,
cookie,
skb->data,
skb->len,
acked,
GFP_ATOMIC);
pr_warn("Unknown status report in ack skb\n");
}
rcu_read_unlock();

8
net/mac80211/tx.c
View File

@ -3996,6 +3996,9 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
skb_list_walk_safe(skb, skb, next) {
skb_mark_not_on_list(skb);
if (skb->protocol == sdata->control_port_protocol)
ctrl_flags |= IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP;
skb = ieee80211_build_hdr(sdata, skb, info_flags,
sta, ctrl_flags, cookie);
if (IS_ERR(skb)) {
@ -4206,7 +4209,7 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata,
(!sta || !test_sta_flag(sta, WLAN_STA_TDLS_PEER)))
ra = sdata->u.mgd.bssid;
if (!is_valid_ether_addr(ra))
if (is_zero_ether_addr(ra))
goto out_free;
multicast = is_multicast_ether_addr(ra);
@ -5371,7 +5374,8 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
return -EINVAL;
if (proto == sdata->control_port_protocol)
ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO |
IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP;
if (unencrypted)
flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;

5
net/wireless/nl80211.c
View File

@ -5016,7 +5016,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
err = nl80211_parse_he_obss_pd(
info->attrs[NL80211_ATTR_HE_OBSS_PD],
&params.he_obss_pd);
goto out;
if (err)
goto out;
}
if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
@ -5024,7 +5025,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_HE_BSS_COLOR],
&params.he_bss_color);
if (err)
return err;
goto out;
}
nl80211_calculate_ap_params(&params);