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staging: wlags49_h2: Support standard WEXT events

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... instead of using IWEVCUSTOM. Use the defined events for
michael mic failure, association request info and association
response info.

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Kilroy 2011-09-19 21:08:15 +01:00 committed by Greg Kroah-Hartman
parent f49334a00e
commit a4f7b2e823
1 changed files with 18 additions and 38 deletions
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56
drivers/staging/wlags49_h2/wl_wext.c
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@ -3805,9 +3805,9 @@ void wl_wext_event_expired_sta( struct net_device *dev )
******************************************************************************/ ******************************************************************************/
void wl_wext_event_mic_failed( struct net_device *dev ) void wl_wext_event_mic_failed( struct net_device *dev )
{ {
char msg[512];
union iwreq_data wrqu; union iwreq_data wrqu;
struct wl_private *lp = wl_priv(dev); struct wl_private *lp = wl_priv(dev);
struct iw_michaelmicfailure wxmic;
int key_idx; int key_idx;
char *addr1; char *addr1;
char *addr2; char *addr2;
@ -3829,30 +3829,17 @@ void wl_wext_event_mic_failed( struct net_device *dev )
DBG_PRINT( "MIC FAIL - KEY USED : %d, STATUS : 0x%04x\n", key_idx, DBG_PRINT( "MIC FAIL - KEY USED : %d, STATUS : 0x%04x\n", key_idx,
hdr->status ); hdr->status );
memset( &wrqu, 0, sizeof( wrqu )); memset(&wrqu, 0, sizeof(wrqu));
memset( msg, 0, sizeof( msg )); memset(&wxmic, 0, sizeof(wxmic));
wxmic.flags = key_idx & IW_MICFAILURE_KEY_ID;
wxmic.flags |= (addr1[0] & 1) ?
IW_MICFAILURE_GROUP : IW_MICFAILURE_PAIRWISE;
wxmic.src_addr.sa_family = ARPHRD_ETHER;
memcpy(wxmic.src_addr.sa_data, addr2, ETH_ALEN);
/* Because MIC failures are not part of the Wireless Extensions yet, they wrqu.data.length = sizeof(wxmic);
must be passed as a string using an IWEVCUSTOM event. In order for the wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&wxmic);
event to be effective, the string format must be known by both the
driver and the supplicant. The following is the string format used by the
hostap project's WPA supplicant, and will be used here until the Wireless
Extensions interface adds this support:
MLME-MICHAELMICFAILURE.indication(keyid=# broadcast/unicast addr=addr2)
*/
/* NOTE: Format of MAC address (using colons to separate bytes) may cause
a problem in future versions of the supplicant, if they ever
actually parse these parameters */
#if DBG
sprintf(msg, "MLME-MICHAELMICFAILURE.indication(keyid=%d %scast "
"addr=%pM)", key_idx, addr1[0] & 0x01 ? "broad" : "uni",
addr2);
#endif
wrqu.data.length = strlen( msg );
wireless_send_event( dev, IWEVCUSTOM, &wrqu, msg );
return; return;
} // wl_wext_event_mic_failed } // wl_wext_event_mic_failed
@ -3882,7 +3869,6 @@ void wl_wext_event_mic_failed( struct net_device *dev )
******************************************************************************/ ******************************************************************************/
void wl_wext_event_assoc_ie( struct net_device *dev ) void wl_wext_event_assoc_ie( struct net_device *dev )
{ {
char msg[512];
union iwreq_data wrqu; union iwreq_data wrqu;
struct wl_private *lp = wl_priv(dev); struct wl_private *lp = wl_priv(dev);
int status; int status;
@ -3893,7 +3879,6 @@ void wl_wext_event_assoc_ie( struct net_device *dev )
memset( &wrqu, 0, sizeof( wrqu )); memset( &wrqu, 0, sizeof( wrqu ));
memset( msg, 0, sizeof( msg ));
/* Retrieve the Association Request IE */ /* Retrieve the Association Request IE */
lp->ltvRecord.len = 45; lp->ltvRecord.len = 45;
@ -3906,21 +3891,16 @@ void wl_wext_event_assoc_ie( struct net_device *dev )
memcpy( &data.rawData, &( lp->ltvRecord.u.u8[1] ), 88 ); memcpy( &data.rawData, &( lp->ltvRecord.u.u8[1] ), 88 );
wpa_ie = wl_parse_wpa_ie( &data, &length ); wpa_ie = wl_parse_wpa_ie( &data, &length );
/* Because this event (Association WPA-IE) is not part of the Wireless
Extensions yet, it must be passed as a string using an IWEVCUSTOM event.
In order for the event to be effective, the string format must be known
by both the driver and the supplicant. The following is the string format
used by the hostap project's WPA supplicant, and will be used here until
the Wireless Extensions interface adds this support:
ASSOCINFO(ReqIEs=WPA-IE RespIEs=WPA-IE)
*/
if( length != 0 ) if( length != 0 )
{ {
sprintf( msg, "ASSOCINFO(ReqIEs=%s)", wl_print_wpa_ie( wpa_ie, length )); wrqu.data.length = wpa_ie[1] + 2;
wrqu.data.length = strlen( msg ); wireless_send_event(dev, IWEVASSOCREQIE,
wireless_send_event( dev, IWEVCUSTOM, &wrqu, msg ); &wrqu, wpa_ie);
/* This bit is a hack. We send the respie
* event at the same time */
wireless_send_event(dev, IWEVASSOCRESPIE,
&wrqu, wpa_ie);
} }
} }