C++ (Cpp) LE_LOCK_ASSERT示例

示例#1

文件： am7990.c 项目： JabirTech/Source

/*
 * Set up the initialization block and the descriptor rings.
 */
static void
am7990_meminit(struct lance_softc *sc)
{
	struct ifnet *ifp = sc->sc_ifp;
	struct leinit init;
	struct lermd rmd;
	struct letmd tmd;
	u_long a;
	int bix;

	LE_LOCK_ASSERT(sc, MA_OWNED);

	if (ifp->if_flags & IFF_PROMISC)
		init.init_mode = LE_MODE_NORMAL | LE_MODE_PROM;
	else
		init.init_mode = LE_MODE_NORMAL;

	init.init_padr[0] = (sc->sc_enaddr[1] << 8) | sc->sc_enaddr[0];
	init.init_padr[1] = (sc->sc_enaddr[3] << 8) | sc->sc_enaddr[2];
	init.init_padr[2] = (sc->sc_enaddr[5] << 8) | sc->sc_enaddr[4];
	lance_setladrf(sc, init.init_ladrf);

	sc->sc_last_rd = 0;
	sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0;

	a = sc->sc_addr + LE_RMDADDR(sc, 0);
	init.init_rdra = a;
	init.init_rlen = (a >> 16) | ((ffs(sc->sc_nrbuf) - 1) << 13);

	a = sc->sc_addr + LE_TMDADDR(sc, 0);
	init.init_tdra = a;
	init.init_tlen = (a >> 16) | ((ffs(sc->sc_ntbuf) - 1) << 13);

	(*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init));

	/*
	 * Set up receive ring descriptors.
	 */
	for (bix = 0; bix < sc->sc_nrbuf; bix++) {
		a = sc->sc_addr + LE_RBUFADDR(sc, bix);
		rmd.rmd0 = a;
		rmd.rmd1_hadr = a >> 16;
		rmd.rmd1_bits = LE_R1_OWN;
		rmd.rmd2 = -LEBLEN | LE_XMD2_ONES;
		rmd.rmd3 = 0;
		(*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix),
		    sizeof(rmd));
	}

	/*
	 * Set up transmit ring descriptors.
	 */
	for (bix = 0; bix < sc->sc_ntbuf; bix++) {
		a = sc->sc_addr + LE_TBUFADDR(sc, bix);
		tmd.tmd0 = a;
		tmd.tmd1_hadr = a >> 16;
		tmd.tmd1_bits = 0;
		tmd.tmd2 = LE_XMD2_ONES;
		tmd.tmd3 = 0;
		(*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix),
		    sizeof(tmd));
	}
}

示例#2

/*
 * Set up the initialization block and the descriptor rings.
 */
static void
am79900_meminit(struct lance_softc *sc)
{
	struct ifnet *ifp = sc->sc_ifp;
	struct leinit init;
	struct lermd rmd;
	struct letmd tmd;
	u_long a;
	int bix;

	LE_LOCK_ASSERT(sc, MA_OWNED);

	if (ifp->if_flags & IFF_PROMISC)
		init.init_mode = LE_HTOLE32(LE_MODE_NORMAL | LE_MODE_PROM);
	else
		init.init_mode = LE_HTOLE32(LE_MODE_NORMAL);

	init.init_mode |= LE_HTOLE32(((ffs(sc->sc_ntbuf) - 1) << 28) |
	    ((ffs(sc->sc_nrbuf) - 1) << 20));

	init.init_padr[0] = LE_HTOLE32(sc->sc_enaddr[0] |
	    (sc->sc_enaddr[1] << 8) | (sc->sc_enaddr[2] << 16) |
	    (sc->sc_enaddr[3] << 24));
	init.init_padr[1] = LE_HTOLE32(sc->sc_enaddr[4] |
	    (sc->sc_enaddr[5] << 8));
	lance_setladrf(sc, init.init_ladrf);

	sc->sc_last_rd = 0;
	sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0;

	a = sc->sc_addr + LE_RMDADDR(sc, 0);
	init.init_rdra = LE_HTOLE32(a);

	a = sc->sc_addr + LE_TMDADDR(sc, 0);
	init.init_tdra = LE_HTOLE32(a);

	(*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init));

	/*
	 * Set up receive ring descriptors.
	 */
	for (bix = 0; bix < sc->sc_nrbuf; bix++) {
		a = sc->sc_addr + LE_RBUFADDR(sc, bix);
		rmd.rmd0 = LE_HTOLE32(a);
		rmd.rmd1 = LE_HTOLE32(LE_R1_OWN | LE_R1_ONES |
		    (-LEBLEN & 0xfff));
		rmd.rmd2 = 0;
		rmd.rmd3 = 0;
		(*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix),
		    sizeof(rmd));
	}

	/*
	 * Set up transmit ring descriptors.
	 */
	for (bix = 0; bix < sc->sc_ntbuf; bix++) {
		a = sc->sc_addr + LE_TBUFADDR(sc, bix);
		tmd.tmd0 = LE_HTOLE32(a);
		tmd.tmd1 = LE_HTOLE32(LE_T1_ONES);
		tmd.tmd2 = 0;
		tmd.tmd3 = 0;
		(*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix),
		    sizeof(tmd));
	}
}