2009-02-21 00:27:31

by Alina Friedrichsen

[permalink] [raw]
Subject: [PATCH v2] 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 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 <[email protected]>
---
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)

--=20
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569a


2009-02-24 02:06:16

by Johannes Berg

[permalink] [raw]
Subject: Re: [PATCH v2] mac80211: Introduce a generic commit() to apply changes

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 <[email protected]>
> ---
> 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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