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staging: rtl8723au: ConstructProbeRsp(): Use struct ieee80211_mgmt 

Use ieee80211_mgmt to construct the frame instead of relying on hard
coded offsets.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jes Sorensen 2014-06-24 15:03:23 +02:00 committed by Greg Kroah-Hartman
parent e61fc7cf90
commit a22301ec96
1 changed files with 19 additions and 12 deletions
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31
drivers/staging/rtl8723au/hal/rtl8723a_cmd.c
View File

@ -398,7 +398,7 @@ ConstructNullFunctionData(struct rtw_adapter *padapter, u8 *pframe,
static void ConstructProbeRsp(struct rtw_adapter *padapter, u8 *pframe,
u32 *pLength, u8 *StaAddr, bool bHideSSID)
{
struct ieee80211_hdr *pwlanhdr;
struct ieee80211_mgmt *mgmt;
u8 *mac, *bssid;
u32 pktlen;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
@ -407,29 +407,36 @@ static void ConstructProbeRsp(struct rtw_adapter *padapter, u8 *pframe,
/* DBG_8723A("%s\n", __func__); */
pwlanhdr = (struct ieee80211_hdr *)pframe;
mgmt = (struct ieee80211_mgmt *)pframe;
mac = myid(&padapter->eeprompriv);
bssid = cur_network->MacAddress;
pwlanhdr->frame_control =
mgmt->frame_control =
cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
pwlanhdr->seq_ctrl = 0;
mgmt->seq_ctrl = 0;
memcpy(pwlanhdr->addr1, StaAddr, ETH_ALEN);
memcpy(pwlanhdr->addr2, mac, ETH_ALEN);
memcpy(pwlanhdr->addr3, bssid, ETH_ALEN);
memcpy(mgmt->da, StaAddr, ETH_ALEN);
memcpy(mgmt->sa, mac, ETH_ALEN);
memcpy(mgmt->bssid, bssid, ETH_ALEN);
pktlen = sizeof(struct ieee80211_hdr_3addr);
pframe += pktlen;
put_unaligned_le64(cur_network->tsf,
&mgmt->u.probe_resp.timestamp);
put_unaligned_le16(cur_network->beacon_interval,
&mgmt->u.probe_resp.beacon_int);
put_unaligned_le16(cur_network->capability,
&mgmt->u.probe_resp.capab_info);
pktlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
if (cur_network->IELength > MAX_IE_SZ)
return;
memcpy(pframe, cur_network->IEs, cur_network->IELength);
pframe += cur_network->IELength;
pktlen += cur_network->IELength;
memcpy(mgmt->u.probe_resp.variable,
cur_network->IEs + _FIXED_IE_LENGTH_,
cur_network->IELength - _FIXED_IE_LENGTH_);
pktlen += (cur_network->IELength - _FIXED_IE_LENGTH_);
*pLength = pktlen;
}