C++ (Cpp) seeq_init_ring示例

示例#1

文件： sgiseeq.c 项目： KaZoom/buildroot-linux-kernel-m3

static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp,
		     struct sgiseeq_regs *sregs)
{
	struct hpc3_ethregs *hregs = sp->hregs;
	int err;

	reset_hpc3_and_seeq(hregs, sregs);
	err = seeq_init_ring(dev);
	if (err)
		return err;

	/* Setup to field the proper interrupt types. */
	if (sp->is_edlc) {
		sregs->tstat = TSTAT_INIT_EDLC;
		sregs->rw.wregs.control = sp->control;
		sregs->rw.wregs.frame_gap = 0;
	} else {
		sregs->tstat = TSTAT_INIT_SEEQ;
	}

	hregs->rx_ndptr = VIRT_TO_DMA(sp, sp->rx_desc);
	hregs->tx_ndptr = VIRT_TO_DMA(sp, sp->tx_desc);

	seeq_go(sp, hregs, sregs);
	return 0;
}

示例#2

文件： sgiseeq.c 项目： hugh712/Jollen

static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp,
		      volatile struct sgiseeq_regs *sregs)
{
	volatile struct hpc3_ethregs *hregs = sp->hregs;
	int err;

	reset_hpc3_and_seeq(hregs, sregs);
	err = seeq_init_ring(dev);
	if (err)
		return err;

	/* Setup to field the proper interrupt types. */
	if (sp->is_edlc) {
		sregs->tstat = (TSTAT_INIT_EDLC);
		sregs->rw.wregs.control = sp->control;
		sregs->rw.wregs.frame_gap = 0;
	} else {
		sregs->tstat = (TSTAT_INIT_SEEQ);
	}

	hregs->rx_dconfig |= RDMACFG_INIT;

	hregs->rx_ndptr = PHYSADDR(&sp->srings.rx_desc[0]);
	hregs->tx_ndptr = PHYSADDR(&sp->srings.tx_desc[0]);

	seeq_go(sp, hregs, sregs);
	return 0;
}