diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/testmode.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/testmode.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wlcore/testmode.c b/drivers/net/wireless/ti/wlcore/testmode.c new file mode 100644 index 000000000000..0e59ea2cdd39 --- /dev/null +++ b/drivers/net/wireless/ti/wlcore/testmode.c @@ -0,0 +1,346 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ +#include "testmode.h" + +#include <linux/slab.h> +#include <net/genetlink.h> + +#include "wlcore.h" +#include "debug.h" +#include "acx.h" +#include "ps.h" +#include "io.h" + +#define WL1271_TM_MAX_DATA_LENGTH 1024 + +enum wl1271_tm_commands { + WL1271_TM_CMD_UNSPEC, + WL1271_TM_CMD_TEST, + WL1271_TM_CMD_INTERROGATE, + WL1271_TM_CMD_CONFIGURE, + WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */ + WL1271_TM_CMD_SET_PLT_MODE, + WL1271_TM_CMD_RECOVER, + WL1271_TM_CMD_GET_MAC, + + __WL1271_TM_CMD_AFTER_LAST +}; +#define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1) + +enum wl1271_tm_attrs { + WL1271_TM_ATTR_UNSPEC, + WL1271_TM_ATTR_CMD_ID, + WL1271_TM_ATTR_ANSWER, + WL1271_TM_ATTR_DATA, + WL1271_TM_ATTR_IE_ID, + WL1271_TM_ATTR_PLT_MODE, + + __WL1271_TM_ATTR_AFTER_LAST +}; +#define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1) + +static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = { + [WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 }, + [WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 }, + [WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY, + .len = WL1271_TM_MAX_DATA_LENGTH }, + [WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 }, + [WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 }, +}; + + +static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[]) +{ + int buf_len, ret, len; + struct sk_buff *skb; + void *buf; + u8 answer = 0; + + wl1271_debug(DEBUG_TESTMODE, "testmode cmd test"); + + if (!tb[WL1271_TM_ATTR_DATA]) + return -EINVAL; + + buf = nla_data(tb[WL1271_TM_ATTR_DATA]); + buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); + + if (tb[WL1271_TM_ATTR_ANSWER]) + answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]); + + if (buf_len > sizeof(struct wl1271_command)) + return -EMSGSIZE; + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) { + ret = -EINVAL; + goto out; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1271_cmd_test(wl, buf, buf_len, answer); + if (ret < 0) { + wl1271_warning("testmode cmd test failed: %d", ret); + goto out_sleep; + } + + if (answer) { + len = nla_total_size(buf_len); + skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len); + if (!skb) { + ret = -ENOMEM; + goto out_sleep; + } + + if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) + goto nla_put_failure; + ret = cfg80211_testmode_reply(skb); + if (ret < 0) + goto out_sleep; + } + +out_sleep: + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + + return ret; + +nla_put_failure: + kfree_skb(skb); + ret = -EMSGSIZE; + goto out_sleep; +} + +static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[]) +{ + int ret; + struct wl1271_command *cmd; + struct sk_buff *skb; + u8 ie_id; + + wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate"); + + if (!tb[WL1271_TM_ATTR_IE_ID]) + return -EINVAL; + + ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) { + ret = -EINVAL; + goto out; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out_sleep; + } + + ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd)); + if (ret < 0) { + wl1271_warning("testmode cmd interrogate failed: %d", ret); + goto out_free; + } + + skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd)); + if (!skb) { + ret = -ENOMEM; + goto out_free; + } + + if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) + goto nla_put_failure; + ret = cfg80211_testmode_reply(skb); + if (ret < 0) + goto out_free; + +out_free: + kfree(cmd); +out_sleep: + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + + return ret; + +nla_put_failure: + kfree_skb(skb); + ret = -EMSGSIZE; + goto out_free; +} + +static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[]) +{ + int buf_len, ret; + void *buf; + u8 ie_id; + + wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure"); + + if (!tb[WL1271_TM_ATTR_DATA]) + return -EINVAL; + if (!tb[WL1271_TM_ATTR_IE_ID]) + return -EINVAL; + + ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]); + buf = nla_data(tb[WL1271_TM_ATTR_DATA]); + buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]); + + if (buf_len > sizeof(struct wl1271_command)) + return -EMSGSIZE; + + mutex_lock(&wl->mutex); + ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len); + mutex_unlock(&wl->mutex); + + if (ret < 0) { + wl1271_warning("testmode cmd configure failed: %d", ret); + return ret; + } + + return 0; +} + +static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[]) +{ + u32 val; + int ret; + + wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode"); + + if (!tb[WL1271_TM_ATTR_PLT_MODE]) + return -EINVAL; + + val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]); + + switch (val) { + case 0: + ret = wl1271_plt_stop(wl); + break; + case 1: + ret = wl1271_plt_start(wl); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int wl1271_tm_cmd_recover(struct wl1271 *wl, struct nlattr *tb[]) +{ + wl1271_debug(DEBUG_TESTMODE, "testmode cmd recover"); + + wl12xx_queue_recovery_work(wl); + + return 0; +} + +static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[]) +{ + struct sk_buff *skb; + u8 mac_addr[ETH_ALEN]; + int ret = 0; + + mutex_lock(&wl->mutex); + + if (!wl->plt) { + ret = -EINVAL; + goto out; + } + + if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) { + ret = -EOPNOTSUPP; + goto out; + } + + mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16); + mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8); + mac_addr[2] = (u8) wl->fuse_oui_addr; + mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16); + mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8); + mac_addr[5] = (u8) wl->fuse_nic_addr; + + skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN); + if (!skb) { + ret = -ENOMEM; + goto out; + } + + if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) + goto nla_put_failure; + ret = cfg80211_testmode_reply(skb); + if (ret < 0) + goto out; + +out: + mutex_unlock(&wl->mutex); + return ret; + +nla_put_failure: + kfree_skb(skb); + ret = -EMSGSIZE; + goto out; +} + +int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len) +{ + struct wl1271 *wl = hw->priv; + struct nlattr *tb[WL1271_TM_ATTR_MAX + 1]; + int err; + + err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy); + if (err) + return err; + + if (!tb[WL1271_TM_ATTR_CMD_ID]) + return -EINVAL; + + switch (nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID])) { + case WL1271_TM_CMD_TEST: + return wl1271_tm_cmd_test(wl, tb); + case WL1271_TM_CMD_INTERROGATE: + return wl1271_tm_cmd_interrogate(wl, tb); + case WL1271_TM_CMD_CONFIGURE: + return wl1271_tm_cmd_configure(wl, tb); + case WL1271_TM_CMD_SET_PLT_MODE: + return wl1271_tm_cmd_set_plt_mode(wl, tb); + case WL1271_TM_CMD_RECOVER: + return wl1271_tm_cmd_recover(wl, tb); + case WL1271_TM_CMD_GET_MAC: + return wl12xx_tm_cmd_get_mac(wl, tb); + default: + return -EOPNOTSUPP; + } +} |