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* [PATCH v2] mac80211: Introduce a generic commit() to apply changes
@ 2009-02-21  0:27 Alina Friedrichsen
  2009-02-24  1:44 ` Johannes Berg
  0 siblings, 1 reply; 2+ messages in thread
From: Alina Friedrichsen @ 2009-02-21  0:27 UTC (permalink / raw)
  To: linux-wireless, linville, johannes

This patch introduces a generic commit() function which initiate a new =
network joining process. It should be called after some interface confi=
g 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>
---
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 1bbfc70..aa8937c 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -788,6 +788,23 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_s=
ub_if_data *sdata)
 			IEEE80211_IBSS_AUTO_CHANNEL_SEL;
 }
=20
+int ieee80211_ibss_commit(struct ieee80211_sub_if_data *sdata)
+{
+	struct ieee80211_if_ibss *ifibss =3D &sdata->u.ibss;
+
+	ifibss->flags &=3D ~IEEE80211_IBSS_PREV_BSSID_SET;
+
+	if (ifibss->ssid_len)
+		ifibss->flags |=3D IEEE80211_IBSS_SSID_SET;
+	else
+		ifibss->flags &=3D ~IEEE80211_IBSS_SSID_SET;
+
+	ifibss->ibss_join_req =3D jiffies;
+	ifibss->state =3D 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)
 {
 	struct ieee80211_if_ibss *ifibss =3D &sdata->u.ibss;
@@ -801,16 +818,7 @@ int ieee80211_ibss_set_ssid(struct ieee80211_sub_i=
f_data *sdata, char *ssid, siz
 		ifibss->ssid_len =3D len;
 	}
=20
-	ifibss->flags &=3D ~IEEE80211_IBSS_PREV_BSSID_SET;
-
-	if (len)
-		ifibss->flags |=3D IEEE80211_IBSS_SSID_SET;
-	else
-		ifibss->flags &=3D ~IEEE80211_IBSS_SSID_SET;
-
-	ifibss->ibss_join_req =3D jiffies;
-	ifibss->state =3D IEEE80211_IBSS_MLME_SEARCH;
-	return ieee80211_sta_find_ibss(sdata);
+	return ieee80211_ibss_commit(sdata);
 }
=20
 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_i=
f_data *sdata, u8 *bssid)
 		}
 	}
=20
-	return ieee80211_ibss_set_ssid(sdata, ifibss->ssid, ifibss->ssid_len)=
;
+	return ieee80211_ibss_commit(sdata);
 }
=20
 /* scan finished notification */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index d06c757..ecbc8e0 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -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,
 					  struct sk_buff *skb,
 					  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_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 *b=
ssid);
@@ -944,6 +945,7 @@ void ieee80211_send_pspoll(struct ieee80211_local *=
local,
 			   struct ieee80211_sub_if_data *sdata);
=20
 /* 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_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);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5a49779..7f23858 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1855,6 +1855,20 @@ void ieee80211_sta_req_auth(struct ieee80211_sub=
_if_data *sdata)
 	}
 }
=20
+int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata)
+{
+	struct ieee80211_if_managed *ifmgd =3D &sdata->u.mgd;
+
+	ifmgd->flags &=3D ~IEEE80211_STA_PREV_BSSID_SET;
+
+	if (ifmgd->ssid_len)
+		ifmgd->flags |=3D IEEE80211_STA_SSID_SET;
+	else
+		ifmgd->flags &=3D ~IEEE80211_STA_SSID_SET;
+
+	return 0;
+}
+
 int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *=
ssid, size_t len)
 {
 	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 =3D len;
 	}
=20
-	ifmgd->flags &=3D ~IEEE80211_STA_PREV_BSSID_SET;
-
-	if (len)
-		ifmgd->flags |=3D IEEE80211_STA_SSID_SET;
-	else
-		ifmgd->flags &=3D ~IEEE80211_STA_SSID_SET;
-
-	return 0;
+	return ieee80211_sta_commit(sdata);
 }
=20
 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)
 		}
 	}
=20
-	return ieee80211_sta_set_ssid(sdata, ifmgd->ssid, ifmgd->ssid_len);
+	return ieee80211_sta_commit(sdata);
 }
=20
 int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, ch=
ar *ie, size_t len)

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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v2] mac80211: Introduce a generic commit() to apply changes
  2009-02-21  0:27 [PATCH v2] mac80211: Introduce a generic commit() to apply changes Alina Friedrichsen
@ 2009-02-24  1:44 ` Johannes Berg
  0 siblings, 0 replies; 2+ messages in thread
From: Johannes Berg @ 2009-02-24  1:44 UTC (permalink / raw)
  To: Alina Friedrichsen; +Cc: linux-wireless, linville

[-- Attachment #1: Type: text/plain, Size: 5182 bytes --]

On Sat, 2009-02-21 at 01:27 +0100, Alina Friedrichsen wrote:
> 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.

Seems fine to me.

johannes

> In version 1 the header files was forgotten, sorry.
> 
> Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
> ---
> diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
> index 1bbfc70..aa8937c 100644
> --- a/net/mac80211/ibss.c
> +++ b/net/mac80211/ibss.c
> @@ -788,6 +788,23 @@ void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
>  			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)
>  {
>  	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->flags &= ~IEEE80211_IBSS_PREV_BSSID_SET;
> -
> -	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);
> +	return ieee80211_ibss_commit(sdata);
>  }
>  
>  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 */
> diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
> index d06c757..ecbc8e0 100644
> --- a/net/mac80211/ieee80211_i.h
> +++ b/net/mac80211/ieee80211_i.h
> @@ -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,
>  					  struct sk_buff *skb,
>  					  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_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);
> @@ -944,6 +945,7 @@ void ieee80211_send_pspoll(struct ieee80211_local *local,
>  			   struct ieee80211_sub_if_data *sdata);
>  
>  /* 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_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);
> diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
> index 5a49779..7f23858 100644
> --- a/net/mac80211/mlme.c
> +++ b/net/mac80211/mlme.c
> @@ -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)
>  {
>  	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->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
> -
> -	if (len)
> -		ifmgd->flags |= IEEE80211_STA_SSID_SET;
> -	else
> -		ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
> -
> -	return 0;
> +	return ieee80211_sta_commit(sdata);
>  }
>  
>  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)
> 

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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