1 /*- 2 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 3 * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $ 18 */ 19 20 #ifndef RTWN_USBVAR_H 21 #define RTWN_USBVAR_H 22 23 #include <dev/rtwn/if_rtwnreg.h> /* for struct rtwn_rx_stat_common */ 24 25 #define RTWN_USB_RXBUFSZ_UNIT (512) 26 #define RTWN_USB_RXBUFSZ_MIN ( 4) 27 #define RTWN_USB_RXBUFSZ_DEF (24) 28 #define RTWN_USB_RXBUFSZ_MAX (64) 29 #define RTWN_USB_TXBUFSZ (16 * 1024) 30 31 #define RTWN_IFACE_INDEX 0 32 33 #define RTWN_USB_RX_LIST_COUNT 1 34 #define RTWN_USB_TX_LIST_COUNT 16 35 36 struct rtwn_data { 37 uint8_t *buf; 38 /* 'id' is meaningful for beacons only */ 39 int id; 40 uint16_t buflen; 41 struct mbuf *m; 42 struct ieee80211_node *ni; 43 STAILQ_ENTRY(rtwn_data) next; 44 }; 45 typedef STAILQ_HEAD(, rtwn_data) rtwn_datahead; 46 47 enum { 48 RTWN_BULK_RX, 49 RTWN_BULK_TX_BE, /* = WME_AC_BE */ 50 RTWN_BULK_TX_BK, /* = WME_AC_BK */ 51 RTWN_BULK_TX_VI, /* = WME_AC_VI */ 52 RTWN_BULK_TX_VO, /* = WME_AC_VO */ 53 RTWN_N_TRANSFER = 5, 54 }; 55 56 #define RTWN_EP_QUEUES RTWN_BULK_RX 57 58 struct rtwn_usb_softc { 59 struct rtwn_softc uc_sc; /* must be the first */ 60 struct usb_device *uc_udev; 61 struct usb_xfer *uc_xfer[RTWN_N_TRANSFER]; 62 63 struct rtwn_data uc_rx[RTWN_USB_RX_LIST_COUNT]; 64 rtwn_datahead uc_rx_active; 65 rtwn_datahead uc_rx_inactive; 66 int uc_rx_buf_size; 67 68 struct rtwn_rx_stat_common uc_rx_stat; 69 int uc_rx_stat_len; 70 int uc_rx_off; 71 72 struct rtwn_data uc_tx[RTWN_USB_TX_LIST_COUNT]; 73 rtwn_datahead uc_tx_active; 74 rtwn_datahead uc_tx_inactive; 75 rtwn_datahead uc_tx_pending; 76 77 int (*uc_align_rx)(int, int); 78 79 int ntx; 80 int tx_agg_desc_num; 81 }; 82 #define RTWN_USB_SOFTC(sc) ((struct rtwn_usb_softc *)(sc)) 83 84 #define rtwn_usb_align_rx(_uc, _totlen, _len) \ 85 (((_uc)->uc_align_rx)((_totlen), (_len))) 86 87 #endif /* RTWN_USBVAR_H */ 88