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Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Browse source 
Conflicts:
	net/wireless/reg.c
This commit is contained in:
John W. Linville 2013-11-05 15:49:02 -05:00
commit 353c78152c
38 changed files with 1302 additions and 453 deletions
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124
net/mac80211/util.c
View file

@ -300,9 +300,6 @@ void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
if (!sdata->dev)
continue;
if (test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state))
continue;
if (sdata->vif.cab_queue != IEEE80211_INVAL_HW_QUEUE &&
local->queue_stop_reasons[sdata->vif.cab_queue] != 0)
continue;
@ -743,6 +740,7 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
case WLAN_EID_TIMEOUT_INTERVAL:
case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
case WLAN_EID_CHAN_SWITCH_PARAM:
/*
* not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
* that if the content gets bigger it might be needed more than once
@ -908,6 +906,14 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
}
elems->sec_chan_offs = (void *)pos;
break;
case WLAN_EID_CHAN_SWITCH_PARAM:
if (elen !=
sizeof(*elems->mesh_chansw_params_ie)) {
elem_parse_failed = true;
break;
}
elems->mesh_chansw_params_ie = (void *)pos;
break;
case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
if (!action ||
elen != sizeof(*elems->wide_bw_chansw_ie)) {
@ -2354,3 +2360,115 @@ u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c)
return ret;
}
/*
* Returns true if smps_mode_new is strictly more restrictive than
* smps_mode_old.
*/
bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old,
enum ieee80211_smps_mode smps_mode_new)
{
if (WARN_ON_ONCE(smps_mode_old == IEEE80211_SMPS_AUTOMATIC ||
smps_mode_new == IEEE80211_SMPS_AUTOMATIC))
return false;
switch (smps_mode_old) {
case IEEE80211_SMPS_STATIC:
return false;
case IEEE80211_SMPS_DYNAMIC:
return smps_mode_new == IEEE80211_SMPS_STATIC;
case IEEE80211_SMPS_OFF:
return smps_mode_new != IEEE80211_SMPS_OFF;
default:
WARN_ON(1);
}
return false;
}
int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
struct cfg80211_csa_settings *csa_settings)
{
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
struct ieee80211_local *local = sdata->local;
int freq;
int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.chan_switch) +
sizeof(mgmt->u.action.u.chan_switch);
u8 *pos;
if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
skb = dev_alloc_skb(local->tx_headroom + hdr_len +
5 + /* channel switch announcement element */
3 + /* secondary channel offset element */
8); /* mesh channel switch parameters element */
if (!skb)
return -ENOMEM;
skb_reserve(skb, local->tx_headroom);
mgmt = (struct ieee80211_mgmt *)skb_put(skb, hdr_len);
memset(mgmt, 0, hdr_len);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
eth_broadcast_addr(mgmt->da);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
if (ieee80211_vif_is_mesh(&sdata->vif)) {
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
} else {
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
memcpy(mgmt->bssid, ifibss->bssid, ETH_ALEN);
}
mgmt->u.action.category = WLAN_CATEGORY_SPECTRUM_MGMT;
mgmt->u.action.u.chan_switch.action_code = WLAN_ACTION_SPCT_CHL_SWITCH;
pos = skb_put(skb, 5);
*pos++ = WLAN_EID_CHANNEL_SWITCH; /* EID */
*pos++ = 3; /* IE length */
*pos++ = csa_settings->block_tx ? 1 : 0; /* CSA mode */
freq = csa_settings->chandef.chan->center_freq;
*pos++ = ieee80211_frequency_to_channel(freq); /* channel */
*pos++ = csa_settings->count; /* count */
if (csa_settings->chandef.width == NL80211_CHAN_WIDTH_40) {
enum nl80211_channel_type ch_type;
skb_put(skb, 3);
*pos++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET; /* EID */
*pos++ = 1; /* IE length */
ch_type = cfg80211_get_chandef_type(&csa_settings->chandef);
if (ch_type == NL80211_CHAN_HT40PLUS)
*pos++ = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
else
*pos++ = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
}
if (ieee80211_vif_is_mesh(&sdata->vif)) {
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
__le16 pre_value;
skb_put(skb, 8);
*pos++ = WLAN_EID_CHAN_SWITCH_PARAM; /* EID */
*pos++ = 6; /* IE length */
*pos++ = sdata->u.mesh.mshcfg.dot11MeshTTL; /* Mesh TTL */
*pos = 0x00; /* Mesh Flag: Tx Restrict, Initiator, Reason */
*pos |= WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR;
*pos++ |= csa_settings->block_tx ?
WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT : 0x00;
put_unaligned_le16(WLAN_REASON_MESH_CHAN, pos); /* Reason Cd */
pos += 2;
if (!ifmsh->pre_value)
ifmsh->pre_value = 1;
else
ifmsh->pre_value++;
pre_value = cpu_to_le16(ifmsh->pre_value);
memcpy(pos, &pre_value, 2); /* Precedence Value */
pos += 2;
ifmsh->chsw_init = true;
}
ieee80211_tx_skb(sdata, skb);
return 0;
}