/* * 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 #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, uint8 hiwm, uint8 lowm); extern void bcm_rpc_tp_txq_wm_get(rpc_tp_info_t * rpc_th, uint8 * hiwm, uint8 * lowm); #endif /* WLC_LOW */ extern void bcm_rpc_tp_agg_set(rpc_tp_info_t * rpcb, uint32 reason, bool set); extern void bcm_rpc_tp_agg_limit_set(rpc_tp_info_t * rpc_th, uint8 sf, uint16 bytes); extern void bcm_rpc_tp_agg_limit_get(rpc_tp_info_t * rpc_th, uint8 * sf, uint16 * 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, uint8 msglevel, bool high_low); #endif /* _bcm_rpc_tp_h_ */