diff options
Diffstat (limited to 'drivers/staging/brcm80211/include/bcm_rpc_tp.h')
| -rw-r--r-- | drivers/staging/brcm80211/include/bcm_rpc_tp.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/include/bcm_rpc_tp.h b/drivers/staging/brcm80211/include/bcm_rpc_tp.h new file mode 100644 index 0000000..bb8dc6d --- /dev/null +++ b/drivers/staging/brcm80211/include/bcm_rpc_tp.h @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * 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 _bcm_rpc_tp_h_ +#define _bcm_rpc_tp_h_ +#include <bcm_rpc.h> + +#define DBUS_RX_BUFFER_SIZE_RPC (2100) /* rxbufsize for dbus_attach, linux only for now */ + +#define BCM_RPC_TP_ENCAP_LEN 4 /* TP header is 4 bytes */ + +#define BCM_RPC_TP_HOST_AGG_MASK 0xffff0000 +#define BCM_RPC_TP_HOST_AGG_SHIFT 16 +#define BCM_RPC_TP_HOST_AGG_AMPDU 0x00010000 /* HOST->DNGL ampdu aggregation */ +#define BCM_RPC_TP_HOST_AGG_TEST 0x00100000 /* HOST->DNGL test aggregation */ +#define BCM_RPC_TP_DNGL_AGG_MASK 0x0000ffff +#define BCM_RPC_TP_DNGL_AGG_DPC 0x00000001 /* DNGL->HOST data aggregation */ +#define BCM_RPC_TP_DNGL_AGG_FLOWCTL 0x00000002 /* DNGL->HOST tx flowcontrol agg */ +#define BCM_RPC_TP_DNGL_AGG_TEST 0x00000010 /* DNGL->HOST test agg */ + +#define BCM_RPC_TP_DNGL_AGG_MAX_SFRAME 3 /* max agg subframes, must be <= USB_NTXD */ +#define BCM_RPC_TP_DNGL_AGG_MAX_BYTE 4000 /* max agg bytes */ + +#define BCM_RPC_TP_HOST_AGG_MAX_SFRAME 3 /* max agg subframes, AMPDU only, 3 is enough */ +#define BCM_RPC_TP_HOST_AGG_MAX_BYTE 3400 /* max agg bytes; to fit 2+ tcp/udp pkts. Each one: + * 802.3pkt + 802.11 hdr + rpc hdr + tp hdr < 1700B + * Need to be in sync with dongle usb rx dma + * rxbufsize(USBBULK_RXBUF_GIANT in usbdev_sb.c) + */ +/* TP-DBUS pkts flowcontrol */ +#define BCM_RPC_TP_DBUS_NTXQ 50 /* queue size for TX on bulk OUT, aggregation possible */ +#define BCM_RPC_TP_DBUS_NRXQ 50 /* queue size for RX on bulk IN, aggregation possible */ +#define BCM_RPC_TP_DBUS_NRXQ_CTRL 1 /* queue size for RX on ctl EP0 */ + +#define BCM_RPC_TP_DBUS_NRXQ_PKT (BCM_RPC_TP_DBUS_NRXQ * BCM_RPC_TP_DNGL_AGG_MAX_SFRAME) +#define BCM_RPC_TP_DBUS_NTXQ_PKT (BCM_RPC_TP_DBUS_NTXQ * BCM_RPC_TP_HOST_AGG_MAX_SFRAME) + +typedef struct rpc_transport_info rpc_tp_info_t; + +typedef void (*rpc_tx_complete_fn_t) (void *, rpc_buf_t *, int status); +typedef void (*rpc_rx_fn_t) (void *, rpc_buf_t *); + +#ifdef WLC_LOW +typedef void (*rpc_txflowctl_cb_t) (void *ctx, bool on); +#endif + +extern rpc_tp_info_t *bcm_rpc_tp_attach(osl_t *osh, void *bus); +extern void bcm_rpc_tp_detach(rpc_tp_info_t *rpcb); +extern void bcm_rpc_tp_down(rpc_tp_info_t *rpcb); +extern void bcm_rpc_tp_watchdog(rpc_tp_info_t *rpcb); + +extern int bcm_rpc_tp_buf_send(rpc_tp_info_t *rpcb, rpc_buf_t *buf); + +/* callback for tx_complete, rx_pkt */ +extern void bcm_rpc_tp_register_cb(rpc_tp_info_t *rpcb, + rpc_tx_complete_fn_t txcmplt, + void *tx_context, rpc_rx_fn_t rxpkt, + void *rx_context, rpc_osl_t *rpc_osh); +extern void bcm_rpc_tp_deregister_cb(rpc_tp_info_t *rpcb); + +/* Buffer manipulation */ +extern uint bcm_rpc_buf_tp_header_len(rpc_tp_info_t *rpcb); +extern rpc_buf_t *bcm_rpc_tp_buf_alloc(rpc_tp_info_t *rpcb, int len); +extern void bcm_rpc_tp_buf_free(rpc_tp_info_t *rpcb, rpc_buf_t *buf); +extern int bcm_rpc_buf_len_get(rpc_tp_info_t *rpcb, rpc_buf_t *b); +extern int bcm_rpc_buf_len_set(rpc_tp_info_t *rpcb, rpc_buf_t *b, uint len); +extern rpc_buf_t *bcm_rpc_buf_next_get(rpc_tp_info_t *rpcb, rpc_buf_t *b); +extern void bcm_rpc_buf_next_set(rpc_tp_info_t *rpcb, rpc_buf_t *b, + rpc_buf_t *nextb); +extern unsigned char *bcm_rpc_buf_data(rpc_tp_info_t *rpcb, rpc_buf_t *b); +extern unsigned char *bcm_rpc_buf_push(rpc_tp_info_t *rpcb, rpc_buf_t *b, + uint delta); +extern unsigned char *bcm_rpc_buf_pull(rpc_tp_info_t *rpcb, rpc_buf_t *b, + uint delta); +extern void bcm_rpc_tp_buf_release(rpc_tp_info_t *rpcb, rpc_buf_t *buf); +extern void bcm_rpc_tp_buf_cnt_adjust(rpc_tp_info_t *rpcb, int adjust); +/* RPC call_with_return */ +extern int bcm_rpc_tp_recv_rtn(rpc_tp_info_t *rpcb); +extern int bcm_rpc_tp_get_device_speed(rpc_tp_info_t *rpc_th); +#ifdef BCMDBG +extern int bcm_rpc_tp_dump(rpc_tp_info_t *rpcb, struct bcmstrbuf *b); +#endif + +#ifdef WLC_LOW +/* intercept USB pkt to parse RPC header: USB driver rx-> wl_send -> this -> wl driver */ +extern void bcm_rpc_tp_rx_from_dnglbus(rpc_tp_info_t *rpc_th, struct lbuf *lb); + +/* RPC callreturn pkt, go to USB driver tx */ +extern int bcm_rpc_tp_send_callreturn(rpc_tp_info_t *rpc_th, rpc_buf_t *b); + +extern void bcm_rpc_tp_dump(rpc_tp_info_t *rpcb); +extern void bcm_rpc_tp_txflowctl(rpc_tp_info_t *rpcb, bool state, int prio); +extern void bcm_rpc_tp_txflowctlcb_init(rpc_tp_info_t *rpc_th, void *ctx, + rpc_txflowctl_cb_t cb); +extern void bcm_rpc_tp_txflowctlcb_deinit(rpc_tp_info_t *rpc_th); +extern void bcm_rpc_tp_txq_wm_set(rpc_tp_info_t *rpc_th, u8 hiwm, + u8 lowm); +extern void bcm_rpc_tp_txq_wm_get(rpc_tp_info_t *rpc_th, u8 *hiwm, + u8 *lowm); +#endif /* WLC_LOW */ + +extern void bcm_rpc_tp_agg_set(rpc_tp_info_t *rpcb, u32 reason, bool set); +extern void bcm_rpc_tp_agg_limit_set(rpc_tp_info_t *rpc_th, u8 sf, + u16 bytes); +extern void bcm_rpc_tp_agg_limit_get(rpc_tp_info_t *rpc_th, u8 *sf, + u16 *bytes); + +#define BCM_RPC_TP_MSG_LEVEL_MASK 0x00ff +/* dongle msg level */ +#define RPC_TP_MSG_DNGL_ERR_VAL 0x0001 /* DNGL TP error msg */ +#define RPC_TP_MSG_DNGL_DBG_VAL 0x0002 /* DNGL TP dbg msg */ +#define RPC_TP_MSG_DNGL_AGG_VAL 0x0004 /* DNGL TP agg msg */ +#define RPC_TP_MSG_DNGL_DEA_VAL 0x0008 /* DNGL TP deag msg */ + +/* host msg level */ +#define RPC_TP_MSG_HOST_ERR_VAL 0x0001 /* DNGL TP error msg */ +#define RPC_TP_MSG_HOST_DBG_VAL 0x0002 /* DNGL TP dbg msg */ +#define RPC_TP_MSG_HOST_AGG_VAL 0x0004 /* DNGL TP agg msg */ +#define RPC_TP_MSG_HOST_DEA_VAL 0x0008 /* DNGL TP deag msg */ + +extern void bcm_rpc_tp_msglevel_set(rpc_tp_info_t *rpc_th, u8 msglevel, + bool high_low); + +#endif /* _bcm_rpc_tp_h_ */ |
