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libertas: Update 11d info only when interface is active

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reg_notifier can be called before the interface is up.
Handle this correctly by storing the requested country code, then
apply the relevant configuration when the interface is brought up.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Daniel Drake 2012-07-15 23:44:58 +01:00 committed by John W. Linville
parent 08a4a1ab07
commit 20d2ebe512
5 changed files with 22 additions and 14 deletions
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6
drivers/net/wireless/libertas/cfg.c
View File

@ -2180,13 +2180,15 @@ int lbs_reg_notifier(struct wiphy *wiphy,
struct regulatory_request *request)
{
struct lbs_private *priv = wiphy_priv(wiphy);
int ret;
int ret = 0;
lbs_deb_enter_args(LBS_DEB_CFG80211, "cfg80211 regulatory domain "
"callback for domain %c%c\n", request->alpha2[0],
request->alpha2[1]);
ret = lbs_set_11d_domain_info(priv, request, wiphy->bands);
memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2));
if (lbs_iface_active(priv))
ret = lbs_set_11d_domain_info(priv);
lbs_deb_leave(LBS_DEB_CFG80211);
return ret;

19
drivers/net/wireless/libertas/cmd.c
View File

@ -733,15 +733,13 @@ int lbs_get_rssi(struct lbs_private *priv, s8 *rssi, s8 *nf)
* to the firmware
*
* @priv: pointer to &struct lbs_private
* @request: cfg80211 regulatory request structure
* @bands: the device's supported bands and channels
*
* returns: 0 on success, error code on failure
*/
int lbs_set_11d_domain_info(struct lbs_private *priv,
struct regulatory_request *request,
struct ieee80211_supported_band **bands)
int lbs_set_11d_domain_info(struct lbs_private *priv)
{
struct wiphy *wiphy = priv->wdev->wiphy;
struct ieee80211_supported_band **bands = wiphy->bands;
struct cmd_ds_802_11d_domain_info cmd;
struct mrvl_ie_domain_param_set *domain = &cmd.domain;
struct ieee80211_country_ie_triplet *t;
@ -752,21 +750,23 @@ int lbs_set_11d_domain_info(struct lbs_private *priv,
u8 first_channel = 0, next_chan = 0, max_pwr = 0;
u8 i, flag = 0;
size_t triplet_size;
int ret;
int ret = 0;
lbs_deb_enter(LBS_DEB_11D);
if (!priv->country_code[0])
goto out;
memset(&cmd, 0, sizeof(cmd));
cmd.action = cpu_to_le16(CMD_ACT_SET);
lbs_deb_11d("Setting country code '%c%c'\n",
request->alpha2[0], request->alpha2[1]);
priv->country_code[0], priv->country_code[1]);
domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN);
/* Set country code */
domain->country_code[0] = request->alpha2[0];
domain->country_code[1] = request->alpha2[1];
domain->country_code[0] = priv->country_code[0];
domain->country_code[1] = priv->country_code[1];
domain->country_code[2] = ' ';
/* Now set up the channel triplets; firmware is somewhat picky here
@ -848,6 +848,7 @@ int lbs_set_11d_domain_info(struct lbs_private *priv,
ret = lbs_cmd_with_response(priv, CMD_802_11D_DOMAIN_INFO, &cmd);
out:
lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
return ret;
}

4
drivers/net/wireless/libertas/cmd.h
View File

@ -128,9 +128,7 @@ int lbs_set_monitor_mode(struct lbs_private *priv, int enable);
int lbs_get_rssi(struct lbs_private *priv, s8 *snr, s8 *nf);
int lbs_set_11d_domain_info(struct lbs_private *priv,
struct regulatory_request *request,
struct ieee80211_supported_band **bands);
int lbs_set_11d_domain_info(struct lbs_private *priv);
int lbs_get_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 *value);

1
drivers/net/wireless/libertas/dev.h
View File

@ -49,6 +49,7 @@ struct lbs_private {
bool wiphy_registered;
struct cfg80211_scan_request *scan_req;
u8 assoc_bss[ETH_ALEN];
u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
u8 disassoc_reason;
/* Mesh */

6
drivers/net/wireless/libertas/main.c
View File

@ -152,6 +152,12 @@ int lbs_start_iface(struct lbs_private *priv)
goto err;
}
ret = lbs_set_11d_domain_info(priv);
if (ret) {
lbs_deb_net("set 11d domain info failed\n");
goto err;
}
lbs_update_channel(priv);
priv->iface_running = true;