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mwifiex: support conversion to any virtual interface type 

Currently, we support virtual interface type change from
station<=>adhoc or station <=> p2p client/GO.
This patch adds support to change virtual interface type to
any of the type advertised in interface combinations.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Avinash Patil 2015-01-28 15:42:05 +05:30 committed by Kalle Valo
parent 76c504ca1e
commit 047eaaf645
4 changed files with 301 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

331
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -656,9 +656,6 @@ mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
u16 mode = P2P_MODE_DISABLE;
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0, &mode, true))
return -1;
@ -715,12 +712,249 @@ mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
HostCmd_ACT_GEN_SET, 0, &mode, true))
return -1;
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
return 0;
}
static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
{
priv->mgmt_frame_mask = 0;
if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
HostCmd_ACT_GEN_SET, 0,
&priv->mgmt_frame_mask, false)) {
dev_warn(priv->adapter->dev,
"could not unregister mgmt frame rx\n");
return -1;
}
mwifiex_deauthenticate(priv, NULL);
mwifiex_free_priv(priv);
priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
return 0;
}
static int
mwifiex_init_new_priv_params(struct mwifiex_private *priv,
struct net_device *dev,
enum nl80211_iftype type)
{
mwifiex_init_priv(priv);
priv->bss_mode = type;
priv->wdev.iftype = type;
mwifiex_init_priv_params(priv, priv->netdev);
priv->bss_started = 0;
switch (type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
priv->bss_role = MWIFIEX_BSS_ROLE_STA;
priv->bss_type = MWIFIEX_BSS_TYPE_STA;
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
priv->bss_role = MWIFIEX_BSS_ROLE_STA;
priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
break;
case NL80211_IFTYPE_AP:
priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
break;
default:
dev_err(priv->adapter->dev,
"%s: changing to %d not supported\n",
dev->name, type);
return -EOPNOTSUPP;
}
return 0;
}
static int
mwifiex_change_vif_to_p2p(struct net_device *dev,
enum nl80211_iftype curr_iftype,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
struct mwifiex_private *priv;
struct mwifiex_adapter *adapter;
priv = mwifiex_netdev_get_priv(dev);
if (!priv)
return -1;
adapter = priv->adapter;
if (adapter->curr_iface_comb.p2p_intf ==
adapter->iface_limit.p2p_intf) {
dev_err(adapter->dev,
"cannot create multiple P2P ifaces\n");
return -1;
}
dev_dbg(priv->adapter->dev, "%s: changing role to p2p\n", dev->name);
if (mwifiex_deinit_priv_params(priv))
return -1;
if (mwifiex_init_new_priv_params(priv, dev, type))
return -1;
switch (type) {
case NL80211_IFTYPE_P2P_CLIENT:
if (mwifiex_cfg80211_init_p2p_client(priv))
return -EFAULT;
break;
case NL80211_IFTYPE_P2P_GO:
if (mwifiex_cfg80211_init_p2p_go(priv))
return -EFAULT;
break;
default:
dev_err(priv->adapter->dev,
"%s: changing to %d not supported\n",
dev->name, type);
return -EOPNOTSUPP;
}
if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL, true))
return -1;
if (mwifiex_sta_init_cmd(priv, false, false))
return -1;
switch (curr_iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
adapter->curr_iface_comb.sta_intf--;
break;
case NL80211_IFTYPE_AP:
adapter->curr_iface_comb.uap_intf--;
break;
default:
break;
}
adapter->curr_iface_comb.p2p_intf++;
dev->ieee80211_ptr->iftype = type;
return 0;
}
static int
mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
enum nl80211_iftype curr_iftype,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
struct mwifiex_private *priv;
struct mwifiex_adapter *adapter;
priv = mwifiex_netdev_get_priv(dev);
if (!priv)
return -1;
adapter = priv->adapter;
if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
curr_iftype != NL80211_IFTYPE_P2P_GO) &&
(adapter->curr_iface_comb.sta_intf ==
adapter->iface_limit.sta_intf)) {
dev_err(adapter->dev,
"cannot create multiple station/adhoc ifaces\n");
return -1;
}
if (type == NL80211_IFTYPE_STATION)
dev_notice(adapter->dev,
"%s: changing role to station\n", dev->name);
else
dev_notice(adapter->dev,
"%s: changing role to adhoc\n", dev->name);
if (mwifiex_deinit_priv_params(priv))
return -1;
if (mwifiex_init_new_priv_params(priv, dev, type))
return -1;
if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL, true))
return -1;
if (mwifiex_sta_init_cmd(priv, false, false))
return -1;
switch (curr_iftype) {
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
adapter->curr_iface_comb.p2p_intf--;
break;
case NL80211_IFTYPE_AP:
adapter->curr_iface_comb.uap_intf--;
break;
default:
break;
}
adapter->curr_iface_comb.sta_intf++;
dev->ieee80211_ptr->iftype = type;
return 0;
}
static int
mwifiex_change_vif_to_ap(struct net_device *dev,
enum nl80211_iftype curr_iftype,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
struct mwifiex_private *priv;
struct mwifiex_adapter *adapter;
priv = mwifiex_netdev_get_priv(dev);
if (!priv)
return -1;
adapter = priv->adapter;
if (adapter->curr_iface_comb.uap_intf ==
adapter->iface_limit.uap_intf) {
dev_err(adapter->dev,
"cannot create multiple AP ifaces\n");
return -1;
}
dev_notice(adapter->dev, "%s: changing role to AP\n", dev->name);
if (mwifiex_deinit_priv_params(priv))
return -1;
if (mwifiex_init_new_priv_params(priv, dev, type))
return -1;
if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL, true))
return -1;
if (mwifiex_sta_init_cmd(priv, false, false))
return -1;
switch (curr_iftype) {
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
adapter->curr_iface_comb.p2p_intf--;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
adapter->curr_iface_comb.sta_intf--;
break;
default:
break;
}
adapter->curr_iface_comb.uap_intf++;
dev->ieee80211_ptr->iftype = type;
return 0;
}
/*
* CFG802.11 operation handler to change interface type.
*/
@ -730,19 +964,32 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
int ret;
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
switch (dev->ieee80211_ptr->iftype) {
switch (curr_iftype) {
case NL80211_IFTYPE_ADHOC:
switch (type) {
case NL80211_IFTYPE_STATION:
break;
priv->bss_mode = type;
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_OPEN_SYSTEM;
dev->ieee80211_ptr->iftype = type;
mwifiex_deauthenticate(priv, NULL);
return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL,
true);
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, flags, params);
case NL80211_IFTYPE_AP:
return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
flags, params);
case NL80211_IFTYPE_UNSPECIFIED:
wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
return 0;
case NL80211_IFTYPE_AP:
default:
wiphy_err(wiphy, "%s: changing to %d not supported\n",
dev->name, type);
@ -752,22 +999,25 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
case NL80211_IFTYPE_STATION:
switch (type) {
case NL80211_IFTYPE_ADHOC:
break;
priv->bss_mode = type;
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_OPEN_SYSTEM;
dev->ieee80211_ptr->iftype = type;
mwifiex_deauthenticate(priv, NULL);
return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL,
true);
case NL80211_IFTYPE_P2P_CLIENT:
if (mwifiex_cfg80211_init_p2p_client(priv))
return -EFAULT;
dev->ieee80211_ptr->iftype = type;
return 0;
case NL80211_IFTYPE_P2P_GO:
if (mwifiex_cfg80211_init_p2p_go(priv))
return -EFAULT;
dev->ieee80211_ptr->iftype = type;
return 0;
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, flags, params);
case NL80211_IFTYPE_AP:
return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
flags, params);
case NL80211_IFTYPE_UNSPECIFIED:
wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
case NL80211_IFTYPE_STATION: /* This shouldn't happen */
return 0;
case NL80211_IFTYPE_AP:
default:
wiphy_err(wiphy, "%s: changing to %d not supported\n",
dev->name, type);
@ -776,12 +1026,20 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
break;
case NL80211_IFTYPE_AP:
switch (type) {
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
type, flags,
params);
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return mwifiex_change_vif_to_p2p(dev, curr_iftype,
type, flags, params);
case NL80211_IFTYPE_UNSPECIFIED:
wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
case NL80211_IFTYPE_AP: /* This shouldn't happen */
return 0;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_STATION:
default:
wiphy_err(wiphy, "%s: changing to %d not supported\n",
dev->name, type);
@ -792,11 +1050,30 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
case NL80211_IFTYPE_P2P_GO:
switch (type) {
case NL80211_IFTYPE_STATION:
if (mwifiex_cfg80211_deinit_p2p(priv))
if (mwifiex_cfg80211_init_p2p_client(priv))
return -EFAULT;
dev->ieee80211_ptr->iftype = type;
break;
case NL80211_IFTYPE_ADHOC:
if (mwifiex_cfg80211_deinit_p2p(priv))
return -EFAULT;
return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
type, flags,
params);
break;
case NL80211_IFTYPE_AP:
if (mwifiex_cfg80211_deinit_p2p(priv))
return -EFAULT;
return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
flags, params);
case NL80211_IFTYPE_UNSPECIFIED:
wiphy_warn(wiphy, "%s: kept type as P2P\n", dev->name);
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
return 0;
default:
wiphy_err(wiphy, "%s: changing to %d not supported\n",
dev->name, type);
return -EOPNOTSUPP;
}
break;
@ -806,16 +1083,8 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
return -EOPNOTSUPP;
}
dev->ieee80211_ptr->iftype = type;
priv->bss_mode = type;
mwifiex_deauthenticate(priv, NULL);
priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL, true);
return ret;
return 0;
}
static void

2
drivers/net/wireless/mwifiex/main.h
View File

@ -1261,8 +1261,6 @@ int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
struct ieee80211_channel *chan,
unsigned int duration);
int mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role);
int mwifiex_get_stats_info(struct mwifiex_private *priv,
struct mwifiex_ds_get_stats *log);

30
drivers/net/wireless/mwifiex/sta_ioctl.c
View File

@ -1135,36 +1135,6 @@ mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
return roc_cfg.status;
}
int
mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
{
if (GET_BSS_ROLE(priv) == bss_role) {
dev_dbg(priv->adapter->dev,
"info: already in the desired role.\n");
return 0;
}
mwifiex_free_priv(priv);
mwifiex_init_priv(priv);
priv->bss_role = bss_role;
switch (bss_role) {
case MWIFIEX_BSS_ROLE_UAP:
priv->bss_mode = NL80211_IFTYPE_AP;
break;
case MWIFIEX_BSS_ROLE_STA:
case MWIFIEX_BSS_ROLE_ANY:
default:
priv->bss_mode = NL80211_IFTYPE_STATION;
break;
}
mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL, true);
return mwifiex_sta_init_cmd(priv, false, false);
}
/*
* Sends IOCTL request to get statistics information.
*