diff options
Diffstat (limited to 'drivers/uwb/i1480/i1480-wlp.h')
| -rw-r--r-- | drivers/uwb/i1480/i1480-wlp.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/uwb/i1480/i1480-wlp.h b/drivers/uwb/i1480/i1480-wlp.h new file mode 100644 index 000000000000..37b67e1a6c32 --- /dev/null +++ b/drivers/uwb/i1480/i1480-wlp.h @@ -0,0 +1,155 @@ +/* + * Intel 1480 Wireless UWB Link + * WLP specific definitions + * + * + * Copyright (C) 2005-2006 Intel Corporation + * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + * + * FIXME: docs + */ + +#ifndef __i1480_wlp_h__ +#define __i1480_wlp_h__ + +#include <linux/spinlock.h> +#include <linux/list.h> +#include <linux/uwb.h> +#include <linux/if_ether.h> + +/* New simplified header format? */ +#undef WLP_HDR_FMT_2 /* FIXME: rename */ + +/** + * Values of the Delivery ID & Type field when PCA or DRP + * + * The Delivery ID & Type field in the WLP TX header indicates whether + * the frame is PCA or DRP. This is done based on the high level bit of + * this field. + * We use this constant to test if the traffic is PCA or DRP as follows: + * if (wlp_tx_hdr->delivery_id_type & WLP_DRP) + * this is DRP traffic + * else + * this is PCA traffic + */ +enum deliver_id_type_bit { + WLP_DRP = 8, +}; + +/** + * WLP TX header + * + * Indicates UWB/WLP-specific transmission parameters for a network + * packet. + */ +struct wlp_tx_hdr { + /* dword 0 */ + struct uwb_dev_addr dstaddr; + u8 key_index; + DECL_BF_LE3( + u8 delivery_id_type:4, + enum uwb_ack_pol ack_pol:3, + u8 rts_cts:1 + ) __attribute__((packed)); + /* dword 1 */ + DECL_BF_LE2( + enum uwb_phy_rate phy_rate:4, + s8 tx_power_ctl:4 + ) __attribute__((packed)); +#ifndef WLP_HDR_FMT_2 + u8 reserved; + __le16 oui01; /* FIXME: not so sure if __le16 or u8[2] */ + /* dword 2 */ + u8 oui2; /* if all LE, it could be merged */ + __le16 prid; +#endif +} __attribute__((packed)); + + +/** + * WLP RX header + * + * Provides UWB/WLP-specific transmission data for a received + * network packet. + */ +struct wlp_rx_hdr { + /* dword 0 */ + struct uwb_dev_addr dstaddr; + struct uwb_dev_addr srcaddr; + /* dword 1 */ + u8 LQI; + s8 RSSI; + u8 reserved3; +#ifndef WLP_HDR_FMT_2 + u8 oui0; + /* dword 2 */ + __le16 oui12; + __le16 prid; +#endif +} __attribute__((packed)); + + +/** User configurable options for WLP */ +struct wlp_options { + struct mutex mutex; /* access to user configurable options*/ + struct wlp_tx_hdr def_tx_hdr; /* default tx hdr */ + u8 pca_base_priority; + u8 bw_alloc; /*index into bw_allocs[] for PCA/DRP reservations*/ +}; + + +static inline +void wlp_options_init(struct wlp_options *options) +{ + mutex_init(&options->mutex); + options->def_tx_hdr.ack_pol = UWB_ACK_INM; + options->def_tx_hdr.rts_cts = 1; + /* FIXME: default to phy caps */ + options->def_tx_hdr.phy_rate = UWB_PHY_RATE_480; +#ifndef WLP_HDR_FMT_2 + options->def_tx_hdr.prid = cpu_to_le16(0x0000); +#endif +} + + +/* sysfs helpers */ + +extern ssize_t uwb_pca_base_priority_store(struct wlp_options *, + const char *, size_t); +extern ssize_t uwb_pca_base_priority_show(const struct wlp_options *, char *); +extern ssize_t uwb_bw_alloc_store(struct wlp_options *, const char *, size_t); +extern ssize_t uwb_bw_alloc_show(const struct wlp_options *, char *); +extern ssize_t uwb_ack_policy_store(struct wlp_options *, + const char *, size_t); +extern ssize_t uwb_ack_policy_show(const struct wlp_options *, char *); +extern ssize_t uwb_rts_cts_store(struct wlp_options *, const char *, size_t); +extern ssize_t uwb_rts_cts_show(const struct wlp_options *, char *); +extern ssize_t uwb_phy_rate_store(struct wlp_options *, const char *, size_t); +extern ssize_t uwb_phy_rate_show(const struct wlp_options *, char *); + + +/** Simple bandwidth allocation (temporary and too simple) */ +struct wlp_bw_allocs { + const char *name; + struct { + u8 mask, stream; + } tx, rx; +}; + + +#endif /* #ifndef __i1480_wlp_h__ */ |