bcmdhd.1.363.59.144.x.cn/dhd_cfg_vendor.c

/*
 * Linux cfg80211 vendor command/event handlers of DHD
 *
 * Copyright (C) 1999-2016, Broadcom Corporation
 * 
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 * 
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 * 
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: dhd_cfg_vendor.c 525516 2015-01-09 23:12:53Z $
 */

#include <linux/vmalloc.h>
#include <linuxver.h>
#include <net/cfg80211.h>
#include <net/netlink.h>

#include <bcmutils.h>
#ifdef WL_CFG80211_V1
#include <wl_cfg80211_v1.h>
#else
#include <wl_cfg80211.h>
#endif /* WL_CFG80211_V1 */
#include <wl_cfgvendor.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <dhd_dbg.h>
#include <dhdioctl.h>
#include <brcm_nl80211.h>

#ifdef VENDOR_EXT_SUPPORT
int dhd_cfgvendor_priv_string_handler(struct bcm_cfg80211 *cfg, struct wireless_dev *wdev,
	const struct bcm_nlmsg_hdr *nlioc, void *buf)
{
	struct net_device *ndev = NULL;
	dhd_pub_t *dhd;
	dhd_ioctl_t ioc = { 0, NULL, 0, 0, 0, 0, 0};
	int ret = 0, err = 0;
	int8 index;

	WL_TRACE(("entry: cmd = %d\n", nlioc->cmd));

	dhd = cfg->pub;
	DHD_OS_WAKE_LOCK(dhd);

	/* send to dongle only if we are not waiting for reload already */
	if (dhd->hang_was_sent) {
		WL_ERR(("HANG was sent up earlier\n"));
		DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE(dhd, DHD_EVENT_TIMEOUT_MS);
		DHD_OS_WAKE_UNLOCK(dhd);
		return OSL_ERROR(BCME_DONGLE_DOWN);
	}

	index = dhd_ifindex2idx(dhd->info, nlioc->ifindex);
	if (index == DHD_BAD_IF) {
		ndev = wdev_to_wlc_ndev(wdev, cfg);
		index = dhd_net2idx(dhd->info, ndev);
		if (index == DHD_BAD_IF) {
			WL_ERR(("Bad ifidx %d, wdev:%p\n", nlioc->ifindex, wdev));
			ret = BCME_ERROR;
			goto done;
		}
	}

	ioc.cmd = nlioc->cmd;
	ioc.len = nlioc->len;
	ioc.set = nlioc->set;
	ioc.driver = nlioc->magic;
	err = dhd_ioctl_process(dhd, index, &ioc, buf);
	if (err) {
		ret = OSL_ERROR(err);
		ndev = dhd_idx2net(dhd, index);
		if(ndev && (ndev->flags & IFF_UP)) {
			if ((err == BCME_NOTFOUND) || (err == BCME_NOTREADY)) {
				WL_TRACE(("cmd %d return err %d on %s, ret %d\n",
					nlioc->cmd, err, ndev->name, ret));
			} else {
				WL_ERR(("cmd %d return err %d on %s, ret %d\n",
					nlioc->cmd, err, ndev->name, ret));
			}
		}
		goto done;
	}

done:
	DHD_OS_WAKE_UNLOCK(dhd);
	return ret;
}
const struct wiphy_vendor_command dhd_cfgvendor_cmds [] = {
	{
		{
			.vendor_id = OUI_BRCM,
			.subcmd = BRCM_VENDOR_SCMD_PRIV_STR
		},
		.flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_NETDEV,
		.doit = dhd_cfgvendor_priv_string_handler
	},
};

int cfgvendor_attach(struct wiphy *wiphy)
{
	wiphy->vendor_commands	= dhd_cfgvendor_cmds;
	wiphy->n_vendor_commands = ARRAY_SIZE(dhd_cfgvendor_cmds);

	return 0;
}

int cfgvendor_detach(struct wiphy *wiphy)
{
	wiphy->vendor_commands  = NULL;
	wiphy->n_vendor_commands = 0;

	return 0;
}
#endif /* VENDOR_EXT_SUPPORT */