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/*
* Copyright (c) 2015-2016 Quantenna Communications, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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.
*
*/
#ifndef _QTN_FMAC_CORE_H_
#define _QTN_FMAC_CORE_H_
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/semaphore.h>
#include <linux/ip.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
#include <net/sock.h>
#include <net/lib80211.h>
#include <net/cfg80211.h>
#include <linux/vmalloc.h>
#include <linux/firmware.h>
#include <linux/ctype.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
#include "qlink.h"
#include "trans.h"
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
#define QTNF_MAX_SSID_LIST_LENGTH 2
#define QTNF_MAX_VSIE_LEN 255
#define QTNF_MAX_INTF 8
#define QTNF_MAX_EVENT_QUEUE_LEN 255
#define QTNF_DEFAULT_BG_SCAN_PERIOD 300
#define QTNF_MAX_BG_SCAN_PERIOD 0xffff
#define QTNF_SCAN_TIMEOUT_SEC 15
#define QTNF_DEF_BSS_PRIORITY 0
#define QTNF_DEF_WDOG_TIMEOUT 5
#define QTNF_TX_TIMEOUT_TRSHLD 100
#define QTNF_STATE_AP_CONFIG BIT(2)
#define QTNF_STATE_AP_START BIT(1)
extern const struct net_device_ops qtnf_netdev_ops;
struct qtnf_bus;
struct qtnf_vif;
struct qtnf_bss_config {
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 bssid[ETH_ALEN];
size_t ssid_len;
u8 dtim;
u16 bcn_period;
u16 auth_type;
bool privacy;
enum nl80211_mfp mfp;
struct cfg80211_crypto_settings crypto;
u16 bg_scan_period;
u32 connect_flags;
};
struct qtnf_sta_node {
struct list_head list;
u8 mac_addr[ETH_ALEN];
};
struct qtnf_sta_list {
struct list_head head;
atomic_t size;
};
enum qtnf_sta_state {
QTNF_STA_DISCONNECTED,
QTNF_STA_CONNECTING,
QTNF_STA_CONNECTED
};
enum qtnf_mac_status {
QTNF_MAC_CSA_ACTIVE = BIT(0)
};
struct qtnf_vif {
struct wireless_dev wdev;
u8 vifid;
u8 bss_priority;
u8 bss_status;
enum qtnf_sta_state sta_state;
u16 mgmt_frames_bitmask;
struct net_device *netdev;
struct qtnf_wmac *mac;
u8 mac_addr[ETH_ALEN];
struct work_struct reset_work;
struct qtnf_bss_config bss_cfg;
struct qtnf_sta_list sta_list;
unsigned long cons_tx_timeout_cnt;
};
struct qtnf_mac_info {
u8 bands_cap;
u8 phymode_cap;
u8 dev_mac[ETH_ALEN];
u8 num_tx_chain;
u8 num_rx_chain;
u16 max_ap_assoc_sta;
u32 frag_thr;
u32 rts_thr;
u8 lretry_limit;
u8 sretry_limit;
u8 coverage_class;
u8 radar_detect_widths;
struct ieee80211_ht_cap ht_cap;
struct ieee80211_vht_cap vht_cap;
struct ieee80211_iface_limit *limits;
size_t n_limits;
};
struct qtnf_chan_stats {
u32 chan_num;
u32 cca_tx;
u32 cca_rx;
u32 cca_busy;
u32 cca_try;
s8 chan_noise;
};
struct qtnf_wmac {
u8 macid;
u8 wiphy_registered;
u8 macaddr[ETH_ALEN];
u32 status;
struct qtnf_bus *bus;
struct qtnf_mac_info macinfo;
struct qtnf_vif iflist[QTNF_MAX_INTF];
struct cfg80211_scan_request *scan_req;
struct cfg80211_chan_def chandef;
struct cfg80211_chan_def csa_chandef;
struct mutex mac_lock; /* lock during wmac speicific ops */
struct timer_list scan_timeout;
};
struct qtnf_hw_info {
u16 ql_proto_ver;
u8 num_mac;
u8 mac_bitmap;
u32 fw_ver;
u32 hw_capab;
struct ieee80211_regdomain *rd;
u8 total_tx_chain;
u8 total_rx_chain;
};
struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus);
int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
const char *name, unsigned char name_assign_type,
enum nl80211_iftype iftype);
void qtnf_main_work_queue(struct work_struct *work);
int qtnf_cmd_send_update_phy_params(struct qtnf_wmac *mac, u32 changed);
int qtnf_cmd_send_get_phy_params(struct qtnf_wmac *mac);
struct qtnf_wmac *qtnf_core_get_mac(const struct qtnf_bus *bus, u8 macid);
struct net_device *qtnf_classify_skb(struct qtnf_bus *bus, struct sk_buff *skb);
struct net_device *qtnf_classify_skb_no_mbss(struct qtnf_bus *bus,
struct sk_buff *skb);
void qtnf_virtual_intf_cleanup(struct net_device *ndev);
void qtnf_netdev_updown(struct net_device *ndev, bool up);
static inline struct qtnf_vif *qtnf_netdev_get_priv(struct net_device *dev)
{
return *((void **)netdev_priv(dev));
}
#endif /* _QTN_FMAC_CORE_H_ */
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