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[src-draft/trunk]: src/sys/dev/usb Convert urtwn(4) to usbwifi(9)
details: https://anonhg.NetBSD.org/src-all/rev/ad5cfa76b856
branches: trunk
changeset: 1027113:ad5cfa76b856
user: Martin Husemann <martin%NetBSD.org@localhost>
date: Fri Sep 03 17:53:09 2021 +0200
description:
Convert urtwn(4) to usbwifi(9)
diffstat:
sys/dev/usb/files.usb | 2 +-
sys/dev/usb/if_urtwn.c | 1533 +++++++++++---------------------------------
sys/dev/usb/if_urtwnvar.h | 22 +-
3 files changed, 389 insertions(+), 1168 deletions(-)
diffs (truncated from 2968 to 300 lines):
diff -r a5659f157f31 -r ad5cfa76b856 sys/dev/usb/files.usb
--- a/sys/dev/usb/files.usb Fri Sep 03 17:52:14 2021 +0200
+++ b/sys/dev/usb/files.usb Fri Sep 03 17:53:09 2021 +0200
@@ -519,7 +519,7 @@
file dev/usb/if_urndis.c urndis
# Realtek RTL8188CU/RTL8192CU
-device urtwn: ether, ifnet, arp, wlan, firmload
+device urtwn: ether, ifnet, arp, wlan, firmload, usbwifi
attach urtwn at usbdevif
file dev/usb/if_urtwn.c urtwn
diff -r a5659f157f31 -r ad5cfa76b856 sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c Fri Sep 03 17:52:14 2021 +0200
+++ b/sys/dev/usb/if_urtwn.c Fri Sep 03 17:53:09 2021 +0200
@@ -79,30 +79,18 @@
#include <netinet/ip.h>
#include <netinet/if_inarp.h>
-#include <net80211/ieee80211_netbsd.h>
-#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_regdomain.h>
#include <dev/firmload.h>
-#include <dev/usb/usb.h>
-#include <dev/usb/usbdi.h>
-#include <dev/usb/usbdivar.h>
-#include <dev/usb/usbdi_util.h>
-#include <dev/usb/usbdevs.h>
+#include <dev/usb/usbwifi.h>
#include <dev/ic/rtwnreg.h>
#include <dev/ic/rtwn_data.h>
#include <dev/usb/if_urtwnreg.h>
#include <dev/usb/if_urtwnvar.h>
-/*
- * The sc_write_mtx locking is to prevent sequences of writes from
- * being intermingled with each other. I don't know if this is really
- * needed. I have added it just to be on the safe side.
- */
-
#ifdef URTWN_DEBUG
#define DBG_INIT __BIT(0)
#define DBG_FN __BIT(1)
@@ -229,20 +217,29 @@
static int urtwn_match(device_t, cfdata_t, void *);
static void urtwn_attach(device_t, device_t, void *);
static int urtwn_detach(device_t, int);
-static int urtwn_activate(device_t, enum devact);
+static void urtwn_rx_loop(struct usbwifi *, struct usbwifi_chain *,
+ uint32_t);
+static unsigned urtwn_tx_prepare(struct usbwifi *,
+ struct usbwifi_chain *,
+ uint8_t qid);
+static int urtwn_init(struct usbwifi *);
+static void urtwn_stop(struct usbwifi *);
+
CFATTACH_DECL_NEW(urtwn, sizeof(struct urtwn_softc), urtwn_match,
- urtwn_attach, urtwn_detach, urtwn_activate);
-
-static int urtwn_open_pipes(struct urtwn_softc *);
-static void urtwn_close_pipes(struct urtwn_softc *);
-static int urtwn_alloc_rx_list(struct urtwn_softc *);
-static void urtwn_free_rx_list(struct urtwn_softc *);
-static int urtwn_alloc_tx_list(struct urtwn_softc *);
-static void urtwn_free_tx_list(struct urtwn_softc *);
+ urtwn_attach, urtwn_detach, usbwifi_activate);
+
+static const struct usbwifi_ops urtwn_ops = {
+ .uwo_rx_loop = urtwn_rx_loop,
+ .uwo_tx_prepare = urtwn_tx_prepare,
+ .uwo_init = urtwn_init,
+ .uwo_stop = urtwn_stop,
+};
+
+static int urtwn_configure_pipes(struct urtwn_softc*, int*, int*);
static void urtwn_task(void *);
static void urtwn_do_async(struct urtwn_softc *,
- void (*)(struct urtwn_softc *, void *), void *, int);
+ void (*)(struct urtwn_softc *, void *), void *, int);
static void urtwn_wait_async(struct urtwn_softc *);
static int urtwn_write_region_1(struct urtwn_softc *, uint16_t, uint8_t *,
int);
@@ -290,13 +287,6 @@
static int8_t urtwn_get_rssi(struct urtwn_softc *, int, void *);
static int8_t urtwn_r88e_get_rssi(struct urtwn_softc *, int, void *);
static void urtwn_rx_frame(struct urtwn_softc *, uint8_t *, int);
-static void urtwn_rxeof(struct usbd_xfer *, void *, usbd_status);
-static void urtwn_txeof(struct usbd_xfer *, void *, usbd_status);
-static int urtwn_tx(struct urtwn_softc *, struct mbuf *,
- struct ieee80211_node *, struct urtwn_tx_data *);
-static struct urtwn_tx_data *
- urtwn_get_tx_data(struct urtwn_softc *, size_t);
-static void urtwn_start(struct urtwn_softc *);
static void urtwn_watchdog(void*);
static int urtwn_r92c_power_on(struct urtwn_softc *);
static int urtwn_r92e_power_on(struct urtwn_softc *);
@@ -325,9 +315,6 @@
static void urtwn_iq_calib(struct urtwn_softc *, bool);
static void urtwn_lc_calib(struct urtwn_softc *);
static void urtwn_temp_calib(struct urtwn_softc *);
-static int urtwn_init(struct urtwn_softc *);
-static void urtwn_stop(struct urtwn_softc *);
-static void urtwn_chip_stop(struct urtwn_softc *);
static void urtwn_newassoc(struct ieee80211_node *, int);
static void urtwn_delay_ms(struct urtwn_softc *, int ms);
/* Functions for wifi refresh */
@@ -337,17 +324,11 @@
const uint8_t [IEEE80211_ADDR_LEN],
const uint8_t [IEEE80211_ADDR_LEN]);
static void urtwn_vap_delete(struct ieee80211vap *);
-// static int urtwn_ioctl(struct ifnet *, u_long, void *);
-static void urtwn_parent(struct ieee80211com *);
static void urtwn_get_radiocaps(struct ieee80211com *, int, int *,
struct ieee80211_channel chans[]);
static void urtwn_scan_start(struct ieee80211com *);
static void urtwn_scan_end(struct ieee80211com *);
static void urtwn_set_channel(struct ieee80211com *);
-static int urtwn_transmit(struct ieee80211com *, struct mbuf *);
-static int urtwn_raw_xmit(struct ieee80211_node *, struct mbuf *,
- const struct ieee80211_bpf_params *);
-// static int urtwn_send_mgmt(struct ieee80211_node *, int, int);
static void urtwn_update_mcast(struct ieee80211com *);
/* Aliases. */
@@ -382,26 +363,30 @@
}
static void
-urtwn_attach(device_t parent, device_t self, void *aux)
+urtwn_attach( device_t parent, device_t self, void *aux)
{
struct urtwn_softc *sc = device_private(self);
- struct ieee80211com *ic = &sc->sc_ic;
+ struct ieee80211com *ic = &sc->sc_uw.uw_ic;
struct usb_attach_arg *uaa = aux;
char *devinfop;
const struct urtwn_dev *dev;
usb_device_request_t req;
// NNN loop below size_t i;
- int error;
-
- sc->sc_dev = self;
- sc->sc_udev = uaa->uaa_device;
+ int error, num_rx, num_tx;
/*
- * Driver Send queue, separate from the (multiple) VAPs
- * if send queue
+ * Generic usbwifi(9) setup
*/
- sc->sc_sendq.ifq_maxlen = ifqmaxlen;
- IFQ_LOCK_INIT(&sc->sc_sendq);
+ sc->sc_uw.uw_sc = sc;
+ sc->sc_uw.uw_dev = self;
+ sc->sc_uw.uw_udev = uaa->uaa_device;
+ sc->sc_uw.uw_ops = &urtwn_ops;
+ sc->sc_uw.uw_rx_xfer_flags = USBD_SHORT_XFER_OK;
+ sc->sc_uw.uw_tx_xfer_flags = USBD_FORCE_SHORT_XFER;
+ sc->sc_uw.uw_rx_bufsz = URTWN_RXBUFSZ; /* size of a single buffer */
+ sc->sc_uw.uw_tx_bufsz = URTWN_TXBUFSZ; /* for RX/TX */
+ sc->sc_uw.uw_tx_list_cnt = URTWN_TX_LIST_COUNT; /* max RX/TX buffers */
+ sc->sc_uw.uw_rx_list_cnt = URTWN_RX_LIST_COUNT; /* in the rings */
dev = urtwn_lookup(urtwn_devs, uaa->uaa_vendor, uaa->uaa_product);
if (dev != NULL && ISSET(dev->flags, FLAG_RTL8188E))
@@ -412,9 +397,10 @@
aprint_naive("\n");
aprint_normal("\n");
- DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__));
-
- devinfop = usbd_devinfo_alloc(sc->sc_udev, 0);
+ DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_uw.uw_dev),
+ __func__));
+
+ devinfop = usbd_devinfo_alloc(sc->sc_uw.uw_udev, 0);
aprint_normal_dev(self, "%s\n", devinfop);
usbd_devinfo_free(devinfop);
@@ -424,15 +410,13 @@
USETW(req.wIndex, UHF_PORT_SUSPEND);
USETW(req.wLength, 0);
- (void) usbd_do_request(sc->sc_udev, &req, 0);
+ (void) usbd_do_request(sc->sc_uw.uw_udev, &req, 0);
mutex_init(&sc->sc_task_mtx, MUTEX_DEFAULT, IPL_NET);
- mutex_init(&sc->sc_tx_mtx, MUTEX_DEFAULT, IPL_SOFTNET);
- mutex_init(&sc->sc_rx_mtx, MUTEX_DEFAULT, IPL_SOFTNET);
- mutex_init(&sc->sc_fwcmd_mtx, MUTEX_DEFAULT, IPL_NONE);
- mutex_init(&sc->sc_write_mtx, MUTEX_DEFAULT, IPL_NONE);
-
- mutex_enter(&sc->sc_write_mtx);
+
+ usbwifi_attach(&sc->sc_uw, "urtwndet");
+
+ usbwifi_lock_core(&sc->sc_uw);
usb_init_task(&sc->sc_task, urtwn_task, sc, 0);
/* NNN make these callouts use a vap ... in vap create??? */
@@ -441,7 +425,7 @@
callout_init(&sc->sc_watchdog_to, CALLOUT_MPSAFE);
callout_setfunc(&sc->sc_watchdog_to, urtwn_watchdog, sc);
- error = usbd_set_config_no(sc->sc_udev, 1, 0);
+ error = usbd_set_config_no(sc->sc_uw.uw_udev, 1, 0);
if (error != 0) {
aprint_error_dev(self, "failed to set configuration"
", err=%s\n", usbd_errstr(error));
@@ -449,7 +433,8 @@
}
/* Get the first interface handle. */
- error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface);
+ error = usbd_device2interface_handle(sc->sc_uw.uw_udev, 0,
+ &sc->sc_uw.uw_iface);
if (error != 0) {
aprint_error_dev(self, "could not get interface handle\n");
goto fail;
@@ -488,22 +473,15 @@
"8188CUS", sc->ntxchains, sc->nrxchains,
ether_sprintf(ic->ic_macaddr));
- error = urtwn_open_pipes(sc);
+ error = urtwn_configure_pipes(sc, &num_tx, &num_rx);
if (error != 0) {
- aprint_error_dev(sc->sc_dev, "could not open pipes\n");
+ aprint_error_dev(sc->sc_uw.uw_dev,
+ "could not confiugre pipes\n");
goto fail;
}
aprint_normal_dev(self, "%d rx pipe%s, %d tx pipe%s\n",
- sc->rx_npipe, sc->rx_npipe > 1 ? "s" : "",
- sc->tx_npipe, sc->tx_npipe > 1 ? "s" : "");
-
- /*
- * Setup the 802.11 device.
- */
- ic->ic_softc = sc;
- ic->ic_name = device_xname(self);
- ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */
- ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */
+ num_rx, num_rx > 1 ? "s" : "",
+ num_tx, num_tx > 1 ? "s" : "");
/* Set device capabilities. */
ic->ic_caps =
@@ -536,11 +514,6 @@
ic->ic_cryptocaps = 0;
#endif
- ic->ic_txstream = sc->ntxchains;
- ic->ic_rxstream = sc->nrxchains;
-
- ic->ic_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
-
/* XXX TODO: setup regdomain if URTW_EPROM_CHANPLAN_BY_HW bit is set.*/
urtwn_get_radiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
ic->ic_channels);
@@ -549,62 +522,40 @@
* Initialize the global (non-VAP specific) structures and create
* the VAP list.
*/
- ieee80211_ifattach(ic);
-
- /* override default methods NNN Need more here? */
+ usbwifi_ic_attach(&sc->sc_uw, num_tx, num_rx,
+ IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
+
+ /* override default methods */
ic->ic_newassoc = urtwn_newassoc;
ic->ic_wme.wme_update = urtwn_wme_update;
ic->ic_vap_create = urtwn_vap_create;
ic->ic_vap_delete = urtwn_vap_delete;
- ic->ic_parent = urtwn_parent;
ic->ic_scan_start = urtwn_scan_start;
ic->ic_scan_end = urtwn_scan_end;
ic->ic_getradiocaps = urtwn_get_radiocaps;
ic->ic_set_channel = urtwn_set_channel;
- ic->ic_transmit = urtwn_transmit;
- // ic->ic_send_mgmt = urtwn_send_mgmt;
- ic->ic_raw_xmit = urtwn_raw_xmit;
ic->ic_update_mcast = urtwn_update_mcast;
-
- sc->sc_rxtap_len = sizeof(sc->sc_rxtapu);
- sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
+
+ sc->sc_rxtap.wr_ihdr.it_len = htole16(sizeof(sc->sc_rxtapu));
sc->sc_rxtap.wr_ihdr.it_present = htole32(URTWN_RX_RADIOTAP_PRESENT);
sc->sc_txtap_len = sizeof(sc->sc_txtapu);
sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
sc->sc_txtap.wt_ihdr.it_present = htole32(URTWN_TX_RADIOTAP_PRESENT);
- usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
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