C++ (Cpp) falcon_push_multicast_hash Examples

Example #1

File: falcon.c Project: daveti/prov-kernel

void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
{
	struct efx_link_state *link_state = &efx->link_state;
	efx_oword_t reg;
	int link_speed, isolate;

	isolate = !!ACCESS_ONCE(efx->reset_pending);

	switch (link_state->speed) {
	case 10000: link_speed = 3; break;
	case 1000:  link_speed = 2; break;
	case 100:   link_speed = 1; break;
	default:    link_speed = 0; break;
	}
	/* MAC_LINK_STATUS controls MAC backpressure but doesn't work
	 * as advertised.  Disable to ensure packets are not
	 * indefinitely held and TX queue can be flushed at any point
	 * while the link is down. */
	EFX_POPULATE_OWORD_5(reg,
			     FRF_AB_MAC_XOFF_VAL, 0xffff /* max pause time */,
			     FRF_AB_MAC_BCAD_ACPT, 1,
			     FRF_AB_MAC_UC_PROM, efx->promiscuous,
			     FRF_AB_MAC_LINK_STATUS, 1, /* always set */
			     FRF_AB_MAC_SPEED, link_speed);
	/* On B0, MAC backpressure can be disabled and packets get
	 * discarded. */
	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
		EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN,
				    !link_state->up || isolate);
	}

	efx_writeo(efx, &reg, FR_AB_MAC_CTRL);

	/* Restore the multicast hash registers. */
	falcon_push_multicast_hash(efx);

	efx_reado(efx, &reg, FR_AZ_RX_CFG);
	/* Enable XOFF signal from RX FIFO (we enabled it during NIC
	 * initialisation but it may read back as 0) */
	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, 1);
	/* Unisolate the MAC -> RX */
	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, !isolate);
	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
}

Example #2

File: falcon.c Project: DirtyDroidX/android_kernel_htc_m8ul

void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
{
	struct efx_link_state *link_state = &efx->link_state;
	efx_oword_t reg;
	int link_speed, isolate;

	isolate = !!ACCESS_ONCE(efx->reset_pending);

	switch (link_state->speed) {
	case 10000: link_speed = 3; break;
	case 1000:  link_speed = 2; break;
	case 100:   link_speed = 1; break;
	default:    link_speed = 0; break;
	}
	EFX_POPULATE_OWORD_5(reg,
			     FRF_AB_MAC_XOFF_VAL, 0xffff ,
			     FRF_AB_MAC_BCAD_ACPT, 1,
			     FRF_AB_MAC_UC_PROM, efx->promiscuous,
			     FRF_AB_MAC_LINK_STATUS, 1, 
			     FRF_AB_MAC_SPEED, link_speed);
	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
		EFX_SET_OWORD_FIELD(reg, FRF_BB_TXFIFO_DRAIN_EN,
				    !link_state->up || isolate);
	}

	efx_writeo(efx, &reg, FR_AB_MAC_CTRL);

	
	falcon_push_multicast_hash(efx);

	efx_reado(efx, &reg, FR_AZ_RX_CFG);
	EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, 1);
	
	if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0)
		EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, !isolate);
	efx_writeo(efx, &reg, FR_AZ_RX_CFG);
}