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wireless: Add NoAck per tid support 

This patch contains the configuration changes in nl80211/cfg80211.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Simon Wunderlich 2011-11-18 14:20:43 +01:00 committed by John W. Linville
parent 6fd67e937e
commit 1d9d9213d5
3 changed files with 44 additions and 0 deletions
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10
include/linux/nl80211.h
View File

@ -538,6 +538,9 @@
* OLBC handling in hostapd. Beacons are reported in %NL80211_CMD_FRAME
* messages. Note that per PHY only one application may register.
*
* @NL80211_CMD_SET_NOACK_MAP: sets a bitmap for the individual TIDs whether
* No Acknowledgement Policy should be applied.
*
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@ -675,6 +678,8 @@ enum nl80211_commands {
NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
NL80211_CMD_SET_NOACK_MAP,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@ -1185,6 +1190,9 @@ enum nl80211_commands {
* abides to when initiating radiation on DFS channels. A country maps
* to one DFS region.
*
* @NL80211_ATTR_NOACK_MAP: This u16 bitmap contains the No Ack Policy of
* up to 16 TIDs.
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@ -1428,6 +1436,8 @@ enum nl80211_attrs {
NL80211_ATTR_DISABLE_HT,
NL80211_ATTR_HT_CAPABILITY_MASK,
NL80211_ATTR_NOACK_MAP,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,

6
include/net/cfg80211.h
View File

@ -1465,6 +1465,8 @@ struct cfg80211_gtk_rekey_data {
*
* @probe_client: probe an associated client, must return a cookie that it
* later passes to cfg80211_probe_status().
*
* @set_noack_map: Set the NoAck Map for the TIDs.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@ -1658,6 +1660,10 @@ struct cfg80211_ops {
int (*probe_client)(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u64 *cookie);
int (*set_noack_map)(struct wiphy *wiphy,
struct net_device *dev,
u16 noack_map);
struct ieee80211_channel *(*get_channel)(struct wiphy *wiphy);
};

28
net/wireless/nl80211.c
View File

@ -204,6 +204,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_HT_CAPABILITY_MASK] = {
.len = NL80211_HT_CAPABILITY_LEN
},
[NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
};
/* policy for the key attributes */
@ -904,6 +905,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
CMD(sched_scan_start, START_SCHED_SCAN);
CMD(probe_client, PROBE_CLIENT);
CMD(set_noack_map, SET_NOACK_MAP);
if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
i++;
NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS);
@ -1759,6 +1761,23 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
}
static int nl80211_set_noack_map(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];
u16 noack_map;
if (!info->attrs[NL80211_ATTR_NOACK_MAP])
return -EINVAL;
if (!rdev->ops->set_noack_map)
return -EOPNOTSUPP;
noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
return rdev->ops->set_noack_map(&rdev->wiphy, dev, noack_map);
}
struct get_key_cookie {
struct sk_buff *msg;
int error;
@ -6604,6 +6623,15 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_WIPHY |
NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_NOACK_MAP,
.doit = nl80211_set_noack_map,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV |
NL80211_FLAG_NEED_RTNL,
},
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {