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1/* $OpenBSD: if_rsu.c,v 1.17 2013/04/15 09:23:01 mglocker Exp $ */
2
3/*-
4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18#include <sys/cdefs.h>
19__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_rsu.c 287895 2015-09-17 03:13:01Z adrian $");
19__FBSDID("$FreeBSD: head/sys/dev/usb/wlan/if_rsu.c 287896 2015-09-17 03:19:09Z adrian $");
20
21/*
22 * Driver for Realtek RTL8188SU/RTL8191SU/RTL8192SU.
23 *
24 * TODO:
25 * o 11n support
26 * o h/w crypto
27 * o hostap / ibss / mesh

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146#undef RSU_DEV
147};
148
149static device_probe_t rsu_match;
150static device_attach_t rsu_attach;
151static device_detach_t rsu_detach;
152static usb_callback_t rsu_bulk_tx_callback_be_bk;
153static usb_callback_t rsu_bulk_tx_callback_vi_vo;
154static usb_callback_t rsu_bulk_tx_callback_h2c;
155static usb_callback_t rsu_bulk_rx_callback;
156static usb_error_t rsu_do_request(struct rsu_softc *,
157 struct usb_device_request *, void *);
158static struct ieee80211vap *
159 rsu_vap_create(struct ieee80211com *, const char name[],
160 int, enum ieee80211_opmode, int, const uint8_t bssid[],
161 const uint8_t mac[]);
162static void rsu_vap_delete(struct ieee80211vap *);

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241
242static uint8_t rsu_wme_ac_xfer_map[4] = {
243 [WME_AC_BE] = RSU_BULK_TX_BE_BK,
244 [WME_AC_BK] = RSU_BULK_TX_BE_BK,
245 [WME_AC_VI] = RSU_BULK_TX_VI_VO,
246 [WME_AC_VO] = RSU_BULK_TX_VI_VO,
247};
248
249/* XXX hard-coded */
250#define RSU_H2C_ENDPOINT 3
251
252static const struct usb_config rsu_config[RSU_N_TRANSFER] = {
253 [RSU_BULK_RX] = {
254 .type = UE_BULK,
255 .endpoint = UE_ADDR_ANY,
256 .direction = UE_DIR_IN,
257 .bufsize = RSU_RXBUFSZ,
258 .flags = {
259 .pipe_bof = 1,

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282 .flags = {
283 .ext_buffer = 1,
284 .pipe_bof = 1,
285 .force_short_xfer = 1
286 },
287 .callback = rsu_bulk_tx_callback_vi_vo,
288 .timeout = RSU_TX_TIMEOUT
289 },
290 [RSU_BULK_TX_H2C] = {
291 .type = UE_BULK,
292 .endpoint = 0x0d,
293 .direction = UE_DIR_OUT,
294 .bufsize = RSU_TXBUFSZ,
295 .flags = {
296 .ext_buffer = 1,
297 .pipe_bof = 1,
298 .short_xfer_ok = 1
299 },
300 .callback = rsu_bulk_tx_callback_h2c,
301 .timeout = RSU_TX_TIMEOUT
302 },
303};
304
305static int
306rsu_match(device_t self)
307{
308 struct usb_attach_arg *uaa = device_get_ivars(self);
309
310 if (uaa->usb_mode != USB_MODE_HOST ||

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903 }
904#endif
905 return (0);
906}
907
908static int
909rsu_fw_cmd(struct rsu_softc *sc, uint8_t code, void *buf, int len)
910{
894 const uint8_t which = rsu_wme_ac_xfer_map[WME_AC_VO];
911 const uint8_t which = RSU_H2C_ENDPOINT;
912 struct rsu_data *data;
913 struct r92s_tx_desc *txd;
914 struct r92s_fw_cmd_hdr *cmd;
915 int cmdsz;
916 int xferlen;
917
918 data = rsu_getbuf(sc);
919 if (data == NULL)

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1724}
1725
1726static void
1727rsu_bulk_tx_callback_vi_vo(struct usb_xfer *xfer, usb_error_t error)
1728{
1729 rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_VI_VO);
1730}
1731
1732static void
1733rsu_bulk_tx_callback_h2c(struct usb_xfer *xfer, usb_error_t error)
1734{
1735 rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_H2C);
1736}
1737
1738static int
1739rsu_tx_start(struct rsu_softc *sc, struct ieee80211_node *ni,
1740 struct mbuf *m0, struct rsu_data *data)
1741{
1742 struct ieee80211com *ic = &sc->sc_ic;
1743 struct ieee80211vap *vap = ni->ni_vap;
1744 struct ieee80211_frame *wh;
1745 struct ieee80211_key *k = NULL;

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