1 /* 2 * Copyright (c) 2010-2011 Atheros Communications Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef COMMON_H 18 #define COMMON_H 19 20 #include <linux/netdevice.h> 21 22 #define ATH6KL_MAX_IE 256 23 24 extern int ath6kl_printk(const char *level, const char *fmt, ...); 25 26 #define A_CACHE_LINE_PAD 128 27 28 /* 29 * Reflects the version of binary interface exposed by ATH6KL target 30 * firmware. Needs to be incremented by 1 for any change in the firmware 31 * that requires upgrade of the driver on the host side for the change to 32 * work correctly 33 */ 34 #define ATH6KL_ABI_VERSION 1 35 36 #define SIGNAL_QUALITY_METRICS_NUM_MAX 2 37 38 enum { 39 SIGNAL_QUALITY_METRICS_SNR = 0, 40 SIGNAL_QUALITY_METRICS_RSSI, 41 SIGNAL_QUALITY_METRICS_ALL, 42 }; 43 44 /* 45 * Data Path 46 */ 47 48 #define WMI_MAX_TX_DATA_FRAME_LENGTH \ 49 (1500 + sizeof(struct wmi_data_hdr) + \ 50 sizeof(struct ethhdr) + \ 51 sizeof(struct ath6kl_llc_snap_hdr)) 52 53 /* An AMSDU frame */ /* The MAX AMSDU length of AR6003 is 3839 */ 54 #define WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH \ 55 (3840 + sizeof(struct wmi_data_hdr) + \ 56 sizeof(struct ethhdr) + \ 57 sizeof(struct ath6kl_llc_snap_hdr)) 58 59 #define EPPING_ALIGNMENT_PAD \ 60 (((sizeof(struct htc_frame_hdr) + 3) & (~0x3)) \ 61 - sizeof(struct htc_frame_hdr)) 62 63 struct ath6kl_llc_snap_hdr { 64 u8 dsap; 65 u8 ssap; 66 u8 cntl; 67 u8 org_code[3]; 68 __be16 eth_type; 69 } __packed; 70 71 enum crypto_type { 72 NONE_CRYPT = 0x01, 73 WEP_CRYPT = 0x02, 74 TKIP_CRYPT = 0x04, 75 AES_CRYPT = 0x08, 76 }; 77 78 struct htc_endpoint_credit_dist; 79 struct ath6kl; 80 enum htc_credit_dist_reason; 81 struct htc_credit_state_info; 82 83 int ath6k_setup_credit_dist(void *htc_handle, 84 struct htc_credit_state_info *cred_info); 85 void ath6k_credit_distribute(struct htc_credit_state_info *cred_inf, 86 struct list_head *epdist_list, 87 enum htc_credit_dist_reason reason); 88 void ath6k_credit_init(struct htc_credit_state_info *cred_inf, 89 struct list_head *ep_list, 90 int tot_credits); 91 void ath6k_seek_credits(struct htc_credit_state_info *cred_inf, 92 struct htc_endpoint_credit_dist *ep_dist); 93 struct ath6kl *ath6kl_core_alloc(struct device *sdev); 94 int ath6kl_core_init(struct ath6kl *ar); 95 int ath6kl_unavail_ev(struct ath6kl *ar); 96 struct sk_buff *ath6kl_buf_alloc(int size); 97 #endif /* COMMON_H */ 98