| /* |
| * Copyright (c) 2010-2011 Atheros Communications Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef COMMON_H |
| #define COMMON_H |
| |
| #include <linux/netdevice.h> |
| |
| #define ATH6KL_MAX_IE 256 |
| |
| extern int ath6kl_printk(const char *level, const char *fmt, ...); |
| |
| #define A_CACHE_LINE_PAD 128 |
| |
| /* |
| * Reflects the version of binary interface exposed by ATH6KL target |
| * firmware. Needs to be incremented by 1 for any change in the firmware |
| * that requires upgrade of the driver on the host side for the change to |
| * work correctly |
| */ |
| #define ATH6KL_ABI_VERSION 1 |
| |
| #define SIGNAL_QUALITY_METRICS_NUM_MAX 2 |
| |
| enum { |
| SIGNAL_QUALITY_METRICS_SNR = 0, |
| SIGNAL_QUALITY_METRICS_RSSI, |
| SIGNAL_QUALITY_METRICS_ALL, |
| }; |
| |
| /* |
| * Data Path |
| */ |
| |
| #define WMI_MAX_TX_DATA_FRAME_LENGTH \ |
| (1500 + sizeof(struct wmi_data_hdr) + \ |
| sizeof(struct ethhdr) + \ |
| sizeof(struct ath6kl_llc_snap_hdr)) |
| |
| /* An AMSDU frame */ /* The MAX AMSDU length of AR6003 is 3839 */ |
| #define WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH \ |
| (3840 + sizeof(struct wmi_data_hdr) + \ |
| sizeof(struct ethhdr) + \ |
| sizeof(struct ath6kl_llc_snap_hdr)) |
| |
| #define EPPING_ALIGNMENT_PAD \ |
| (((sizeof(struct htc_frame_hdr) + 3) & (~0x3)) \ |
| - sizeof(struct htc_frame_hdr)) |
| |
| struct ath6kl_llc_snap_hdr { |
| u8 dsap; |
| u8 ssap; |
| u8 cntl; |
| u8 org_code[3]; |
| __be16 eth_type; |
| } __packed; |
| |
| enum crypto_type { |
| NONE_CRYPT = 0x01, |
| WEP_CRYPT = 0x02, |
| TKIP_CRYPT = 0x04, |
| AES_CRYPT = 0x08, |
| }; |
| |
| #define ATH6KL_NODE_HASHSIZE 32 |
| /* simple hash is enough for variation of macaddr */ |
| #define ATH6KL_NODE_HASH(addr) \ |
| (((const u8 *)(addr))[ETH_ALEN - 1] % \ |
| ATH6KL_NODE_HASHSIZE) |
| |
| /* |
| * Table of ath6kl_node instances. Each ieee80211com |
| * has at least one for holding the scan candidates. |
| * When operating as an access point or in ibss mode there |
| * is a second table for associated stations or neighbors. |
| */ |
| struct ath6kl_node_table { |
| spinlock_t nt_nodelock; /* on node table */ |
| struct bss *nt_node_first; /* information of all nodes */ |
| struct bss *nt_node_last; /* information of all nodes */ |
| struct bss *nt_hash[ATH6KL_NODE_HASHSIZE]; |
| const char *nt_name; /* for debugging */ |
| u32 nt_node_age; /* node aging time */ |
| }; |
| |
| #define WLAN_NODE_INACT_TIMEOUT_MSEC 120000 |
| #define WLAN_NODE_INACT_CNT 4 |
| |
| struct ath6kl_common_ie { |
| u16 ie_chan; |
| u8 *ie_tstamp; |
| u8 *ie_ssid; |
| u8 *ie_rates; |
| u8 *ie_xrates; |
| u8 *ie_country; |
| u8 *ie_wpa; |
| u8 *ie_rsn; |
| u8 *ie_wmm; |
| u8 *ie_ath; |
| u16 ie_capInfo; |
| u16 ie_beaconInt; |
| u8 *ie_tim; |
| u8 *ie_chswitch; |
| u8 ie_erp; |
| u8 *ie_wsc; |
| u8 *ie_htcap; |
| u8 *ie_htop; |
| }; |
| |
| struct bss { |
| u8 ni_macaddr[ETH_ALEN]; |
| u8 ni_snr; |
| s16 ni_rssi; |
| struct bss *ni_list_next; |
| struct bss *ni_list_prev; |
| struct bss *ni_hash_next; |
| struct bss *ni_hash_prev; |
| struct ath6kl_common_ie ni_cie; |
| u8 *ni_buf; |
| u16 ni_framelen; |
| struct ath6kl_node_table *ni_table; |
| u32 ni_refcnt; |
| |
| u32 ni_tstamp; |
| u32 ni_actcnt; |
| }; |
| |
| struct htc_endpoint_credit_dist; |
| struct ath6kl; |
| enum htc_credit_dist_reason; |
| struct htc_credit_state_info; |
| |
| struct bss *wlan_node_alloc(int wh_size); |
| void wlan_node_free(struct bss *ni); |
| void wlan_setup_node(struct ath6kl_node_table *nt, struct bss *ni, |
| const u8 *mac_addr); |
| struct bss *wlan_find_node(struct ath6kl_node_table *nt, |
| const u8 *mac_addr); |
| void wlan_node_reclaim(struct ath6kl_node_table *nt, struct bss *ni); |
| void wlan_free_allnodes(struct ath6kl_node_table *nt); |
| void wlan_iterate_nodes(struct ath6kl_node_table *nt, |
| void (*f) (void *arg, struct bss *), |
| void *arg); |
| |
| void wlan_node_table_init(void *wmip, struct ath6kl_node_table *nt); |
| void wlan_node_table_cleanup(struct ath6kl_node_table *nt); |
| |
| void wlan_refresh_inactive_nodes(struct ath6kl *ar); |
| |
| struct bss *wlan_find_ssid_node(struct ath6kl_node_table *nt, u8 *ssid, |
| u32 ssid_len, bool is_wpa2, bool match_ssid); |
| |
| void wlan_node_return(struct ath6kl_node_table *nt, struct bss *ni); |
| |
| int ath6k_setup_credit_dist(void *htc_handle, |
| struct htc_credit_state_info *cred_info); |
| void ath6k_credit_distribute(struct htc_credit_state_info *cred_inf, |
| struct list_head *epdist_list, |
| enum htc_credit_dist_reason reason); |
| void ath6k_credit_init(struct htc_credit_state_info *cred_inf, |
| struct list_head *ep_list, |
| int tot_credits); |
| void ath6k_seek_credits(struct htc_credit_state_info *cred_inf, |
| struct htc_endpoint_credit_dist *ep_dist); |
| struct ath6kl *ath6kl_core_alloc(struct device *sdev); |
| int ath6kl_core_init(struct ath6kl *ar); |
| int ath6kl_unavail_ev(struct ath6kl *ar); |
| struct sk_buff *ath6kl_buf_alloc(int size); |
| #endif /* COMMON_H */ |