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mac80211: support remain-on-channel command

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This implements the new remain-on-channel cfg80211
command in mac80211, extending the work interface.

Also change the work purge code to be able to clean
up events properly (pretending they timed out.)

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-12-23 13:15:42 +01:00
committed by John W. Linville
parent 9588bbd552
commit b8bc4b0aa9
6 changed files with 181 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
net/mac80211/ieee80211_i.h
View File

@@ -225,9 +225,11 @@ struct mesh_preq_queue {
};
enum ieee80211_work_type {
IEEE80211_WORK_ABORT,
IEEE80211_WORK_DIRECT_PROBE,
IEEE80211_WORK_AUTH,
IEEE80211_WORK_ASSOC,
IEEE80211_WORK_REMAIN_ON_CHANNEL,
};
/**
@@ -283,6 +285,9 @@ struct ieee80211_work {
u8 supp_rates_len;
bool wmm_used, use_11n;
} assoc;
struct {
unsigned long timeout;
} remain;
};
int ie_len;
@@ -729,6 +734,10 @@ struct ieee80211_local {
enum nl80211_channel_type oper_channel_type;
struct ieee80211_channel *oper_channel, *csa_channel;
/* Temporary remain-on-channel for off-channel operations */
struct ieee80211_channel *tmp_channel;
enum nl80211_channel_type tmp_channel_type;
/* SNMP counters */
/* dot11CountersTable */
u32 dot11TransmittedFragmentCount;
@@ -1162,6 +1171,12 @@ void free_work(struct ieee80211_work *wk);
void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata);
ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, u64 *cookie);
int ieee80211_wk_cancel_remain_on_channel(
struct ieee80211_sub_if_data *sdata, u64 cookie);
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline