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mac80211: Introduce a generic commit() to apply changes 

This patch introduces a generic commit() function which initiate a
new network joining process. It should be called after some interface
config changes, so that the changes get applied more cleanly. Currently
set_ssid() and set_bssid() call it. Others can be added in future
patches.

In version 1 the header files was forgotten, sorry.

Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Alina Friedrichsen 2009-02-21 01:27:29 +01:00 committed by John W. Linville
parent 5f9724dd94
commit 79f6440c52
3 changed files with 37 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
net/mac80211/ibss.c
View File

@ -788,6 +788,23 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
IEEE80211_IBSS_AUTO_CHANNEL_SEL; IEEE80211_IBSS_AUTO_CHANNEL_SEL;
} }
int ieee80211_ibss_commit(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
ifibss->flags &= ~IEEE80211_IBSS_PREV_BSSID_SET;
if (ifibss->ssid_len)
ifibss->flags |= IEEE80211_IBSS_SSID_SET;
else
ifibss->flags &= ~IEEE80211_IBSS_SSID_SET;
ifibss->ibss_join_req = jiffies;
ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
return ieee80211_sta_find_ibss(sdata);
}
int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len) int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{ {
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
@ -801,16 +818,7 @@ int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, siz
ifibss->ssid_len = len; ifibss->ssid_len = len;
} }
ifibss->flags &= ~IEEE80211_IBSS_PREV_BSSID_SET; return ieee80211_ibss_commit(sdata);
if (len)
ifibss->flags |= IEEE80211_IBSS_SSID_SET;
else
ifibss->flags &= ~IEEE80211_IBSS_SSID_SET;
ifibss->ibss_join_req = jiffies;
ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
return ieee80211_sta_find_ibss(sdata);
} }
int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len) int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
@ -842,7 +850,7 @@ int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
} }
} }
return ieee80211_ibss_set_ssid(sdata, ifibss->ssid, ifibss->ssid_len); return ieee80211_ibss_commit(sdata);
} }
/* scan finished notification */ /* scan finished notification */

2
net/mac80211/ieee80211_i.h
View File

@ -934,6 +934,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, struct sk_buff *skb,
struct ieee80211_rx_status *rx_status); struct ieee80211_rx_status *rx_status);
int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata);
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
@ -944,6 +945,7 @@ void ieee80211_send_pspoll(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata); struct ieee80211_sub_if_data *sdata);
/* IBSS code */ /* IBSS code */
int ieee80211_ibss_commit(struct ieee80211_sub_if_data *sdata);
int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);

25
net/mac80211/mlme.c
View File

@ -1855,6 +1855,20 @@ void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata)
} }
} }
int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
if (ifmgd->ssid_len)
ifmgd->flags |= IEEE80211_STA_SSID_SET;
else
ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
return 0;
}
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len) int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{ {
struct ieee80211_if_managed *ifmgd; struct ieee80211_if_managed *ifmgd;
@ -1870,14 +1884,7 @@ int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size
ifmgd->ssid_len = len; ifmgd->ssid_len = len;
} }
ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET; return ieee80211_sta_commit(sdata);
if (len)
ifmgd->flags |= IEEE80211_STA_SSID_SET;
else
ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
return 0;
} }
int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len) int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
@ -1907,7 +1914,7 @@ int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
} }
} }
return ieee80211_sta_set_ssid(sdata, ifmgd->ssid, ifmgd->ssid_len); return ieee80211_sta_commit(sdata);
} }
int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len) int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len)