| /* |
| * 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, uint32 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_ */ |