[PATCH v2 05/23] ath6kl: add common.h

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath6kl/common.h |  183 ++++++++++++++++++++++++++++++
 1 files changed, 183 insertions(+), 0 deletions(-)
 create mode 100644 drivers/net/wireless/ath/ath6kl/common.h

diff --git a/drivers/net/wireless/ath/ath6kl/common.h b/drivers/net/wireless/ath/ath6kl/common.h
new file mode 100644
index 0000000..0a3a1d8
--- /dev/null
+++ b/drivers/net/wireless/ath/ath6kl/common.h
@@ -0,0 +1,183 @@
+/*
+ * 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 {
+	void *nt_wmi;		/* back reference */
+	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_node_table *nt);
+
+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 */

_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel


[Video for Linux]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Photos]     [Yosemite Photos]     [Free Singles Community]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Devices]     [Yosemite Backpacking]

Add to Google Powered by Linux