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wil6210: sort IEs handling 

sort overall IE's handling
prepare code (disabled for now) to add IEs for the beacon

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Vladimir Kondratiev 2015-07-30 13:51:59 +03:00 committed by Kalle Valo
parent a3ce5ccd50
commit cab5abbf9d
1 changed files with 29 additions and 49 deletions
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78
drivers/net/wireless/ath/wil6210/cfg80211.c
View File

@ -722,46 +722,51 @@ static int wil_fix_bcon(struct wil6210_priv *wil,
{
struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
int rc = 0;
if (bcon->probe_resp_len <= hlen)
return 0;
/* always use IE's from full probe frame, they has more info
* notable RSN
*/
bcon->proberesp_ies = f->u.probe_resp.variable;
bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
if (!bcon->assocresp_ies) {
bcon->assocresp_ies = f->u.probe_resp.variable;
bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
rc = 1;
bcon->assocresp_ies = bcon->proberesp_ies;
bcon->assocresp_ies_len = bcon->proberesp_ies_len;
}
return rc;
return 1;
}
/* internal functions for device reset and starting AP */
static int _wil_cfg80211_set_ies(struct wiphy *wiphy,
size_t probe_ies_len, const u8 *probe_ies,
size_t assoc_ies_len, const u8 *assoc_ies)
struct cfg80211_beacon_data *bcon)
{
int rc;
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
/* FW do not form regular beacon, so bcon IE's are not set
* For the DMG bcon, when it will be supported, bcon IE's will
* be reused; add something like:
* wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
* bcon->beacon_ies);
*/
rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, probe_ies_len, probe_ies);
rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
bcon->proberesp_ies);
if (rc) {
wil_err(wil, "set_ie(PROBE_RESP) failed\n");
return rc;
}
rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, assoc_ies_len, assoc_ies);
rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
bcon->assocresp_ies);
if (rc) {
wil_err(wil, "set_ie(ASSOC_RESP) failed\n");
return rc;
}
#if 0 /* to use beacon IE's, remove this #if 0 */
rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len,
bcon->tail);
if (rc) {
wil_err(wil, "set_ie(BEACON) failed\n");
return rc;
}
#endif
return 0;
}
@ -770,8 +775,7 @@ static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
struct net_device *ndev,
const u8 *ssid, size_t ssid_len, u32 privacy,
int bi, u8 chan,
size_t probe_ies_len, const u8 *probe_ies,
size_t assoc_ies_len, const u8 *assoc_ies,
struct cfg80211_beacon_data *bcon,
u8 hidden_ssid)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
@ -792,8 +796,7 @@ static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
if (rc)
goto out;
rc = _wil_cfg80211_set_ies(wiphy, probe_ies_len, probe_ies,
assoc_ies_len, assoc_ies);
rc = _wil_cfg80211_set_ies(wiphy, bcon);
if (rc)
goto out;
@ -827,27 +830,20 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
struct cfg80211_beacon_data *bcon)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
const u8 *pr_ies = NULL;
size_t pr_ies_len = 0;
int rc;
u32 privacy = 0;
wil_dbg_misc(wil, "%s()\n", __func__);
wil_print_bcon_data(bcon);
if (bcon->probe_resp_len > hlen) {
pr_ies = f->u.probe_resp.variable;
pr_ies_len = bcon->probe_resp_len - hlen;
}
if (wil_fix_bcon(wil, bcon)) {
wil_dbg_misc(wil, "Fixed bcon\n");
wil_print_bcon_data(bcon);
}
if (pr_ies && cfg80211_find_ie(WLAN_EID_RSN, pr_ies, pr_ies_len))
if (bcon->proberesp_ies &&
cfg80211_find_ie(WLAN_EID_RSN, bcon->proberesp_ies,
bcon->proberesp_ies_len))
privacy = 1;
/* in case privacy has changed, need to restart the AP */
@ -860,14 +856,10 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
wdev->ssid_len, privacy,
wdev->beacon_interval,
wil->channel, pr_ies_len, pr_ies,
bcon->assocresp_ies_len,
bcon->assocresp_ies,
wil->channel, bcon,
wil->hidden_ssid);
} else {
rc = _wil_cfg80211_set_ies(wiphy, pr_ies_len, pr_ies,
bcon->assocresp_ies_len,
bcon->assocresp_ies);
rc = _wil_cfg80211_set_ies(wiphy, bcon);
}
return rc;
@ -882,10 +874,6 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
struct ieee80211_channel *channel = info->chandef.chan;
struct cfg80211_beacon_data *bcon = &info->beacon;
struct cfg80211_crypto_settings *crypto = &info->crypto;
struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
const u8 *pr_ies = NULL;
size_t pr_ies_len = 0;
u8 hidden_ssid;
wil_dbg_misc(wil, "%s()\n", __func__);
@ -925,11 +913,6 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
wil_print_bcon_data(bcon);
wil_print_crypto(wil, crypto);
if (bcon->probe_resp_len > hlen) {
pr_ies = f->u.probe_resp.variable;
pr_ies_len = bcon->probe_resp_len - hlen;
}
if (wil_fix_bcon(wil, bcon)) {
wil_dbg_misc(wil, "Fixed bcon\n");
wil_print_bcon_data(bcon);
@ -938,10 +921,7 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
rc = _wil_cfg80211_start_ap(wiphy, ndev,
info->ssid, info->ssid_len, info->privacy,
info->beacon_interval, channel->hw_value,
pr_ies_len, pr_ies,
bcon->assocresp_ies_len,
bcon->assocresp_ies,
hidden_ssid);
bcon, hidden_ssid);
return rc;
}