Example #1
0
	__checkReturn	int
efx_intr_init(
	__in		efx_nic_t *enp,
	__in		efx_intr_type_t type,
	__in		efsys_mem_t *esmp)
{
	efx_intr_t *eip = &(enp->en_intr);
	efx_oword_t oword;
	int rc;

	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);

	if (enp->en_mod_flags & EFX_MOD_INTR) {
		rc = EINVAL;
		goto fail1;
	}

	enp->en_mod_flags |= EFX_MOD_INTR;

	eip->ei_type = type;
	eip->ei_esmp = esmp;

	/*
	 * bug17213 workaround.
	 *
	 * Under legacy interrupts, don't share a level between fatal
	 * interrupts and event queue interrupts. Under MSI-X, they
	 * must share, or we won't get an interrupt.
	 */
	if (enp->en_family == EFX_FAMILY_SIENA &&
	    eip->ei_type == EFX_INTR_LINE)
		eip->ei_level = 0x1f;
	else
		eip->ei_level = 0;

	/* Enable all the genuinely fatal interrupts */
	EFX_SET_OWORD(oword);
	EFX_SET_OWORD_FIELD(oword, FRF_AZ_ILL_ADR_INT_KER_EN, 0);
	EFX_SET_OWORD_FIELD(oword, FRF_AZ_RBUF_OWN_INT_KER_EN, 0);
	EFX_SET_OWORD_FIELD(oword, FRF_AZ_TBUF_OWN_INT_KER_EN, 0);
	if (enp->en_family >= EFX_FAMILY_SIENA)
		EFX_SET_OWORD_FIELD(oword, FRF_CZ_SRAM_PERR_INT_P_KER_EN, 0);
	EFX_BAR_WRITEO(enp, FR_AZ_FATAL_INTR_REG_KER, &oword);

	/* Set up the interrupt address register */
	EFX_POPULATE_OWORD_3(oword,
	    FRF_AZ_NORM_INT_VEC_DIS_KER, (type == EFX_INTR_MESSAGE) ? 1 : 0,
	    FRF_AZ_INT_ADR_KER_DW0, EFSYS_MEM_ADDR(esmp) & 0xffffffff,
	    FRF_AZ_INT_ADR_KER_DW1, EFSYS_MEM_ADDR(esmp) >> 32);
	EFX_BAR_WRITEO(enp, FR_AZ_INT_ADR_REG_KER, &oword);

	return (0);

fail1:
	EFSYS_PROBE1(fail1, int, rc);

	return (rc);
}
Example #2
0
static	__checkReturn	efx_rc_t
siena_intr_init(
	__in		efx_nic_t *enp,
	__in		efx_intr_type_t type,
	__in		efsys_mem_t *esmp)
{
	efx_intr_t *eip = &(enp->en_intr);
	efx_oword_t oword;

	/*
	 * bug17213 workaround.
	 *
	 * Under legacy interrupts, don't share a level between fatal
	 * interrupts and event queue interrupts. Under MSI-X, they
	 * must share, or we won't get an interrupt.
	 */
	if (enp->en_family == EFX_FAMILY_SIENA &&
	    eip->ei_type == EFX_INTR_LINE)
		eip->ei_level = 0x1f;
	else
		eip->ei_level = 0;

	/* Enable all the genuinely fatal interrupts */
	EFX_SET_OWORD(oword);
	EFX_SET_OWORD_FIELD(oword, FRF_AZ_ILL_ADR_INT_KER_EN, 0);
	EFX_SET_OWORD_FIELD(oword, FRF_AZ_RBUF_OWN_INT_KER_EN, 0);
	EFX_SET_OWORD_FIELD(oword, FRF_AZ_TBUF_OWN_INT_KER_EN, 0);
	if (enp->en_family >= EFX_FAMILY_SIENA)
		EFX_SET_OWORD_FIELD(oword, FRF_CZ_SRAM_PERR_INT_P_KER_EN, 0);
	EFX_BAR_WRITEO(enp, FR_AZ_FATAL_INTR_REG_KER, &oword);

	/* Set up the interrupt address register */
	EFX_POPULATE_OWORD_3(oword,
	    FRF_AZ_NORM_INT_VEC_DIS_KER, (type == EFX_INTR_MESSAGE) ? 1 : 0,
	    FRF_AZ_INT_ADR_KER_DW0, EFSYS_MEM_ADDR(esmp) & 0xffffffff,
	    FRF_AZ_INT_ADR_KER_DW1, EFSYS_MEM_ADDR(esmp) >> 32);
	EFX_BAR_WRITEO(enp, FR_AZ_INT_ADR_REG_KER, &oword);

	return (0);
}
Example #3
0
	__checkReturn	efx_rc_t
siena_mac_reconfigure(
	__in		efx_nic_t *enp)
{
	efx_port_t *epp = &(enp->en_port);
	efx_oword_t multicast_hash[2];
	efx_mcdi_req_t req;
	EFX_MCDI_DECLARE_BUF(payload,
		MAX(MC_CMD_SET_MAC_IN_LEN, MC_CMD_SET_MCAST_HASH_IN_LEN),
		MAX(MC_CMD_SET_MAC_OUT_LEN, MC_CMD_SET_MCAST_HASH_OUT_LEN));

	unsigned int fcntl;
	efx_rc_t rc;

	req.emr_cmd = MC_CMD_SET_MAC;
	req.emr_in_buf = payload;
	req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
	req.emr_out_buf = payload;
	req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;

	MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu);
	MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0);
	EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR),
			    epp->ep_mac_addr);
	MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT,
			    SET_MAC_IN_REJECT_UNCST, !epp->ep_all_unicst,
			    SET_MAC_IN_REJECT_BRDCST, !epp->ep_brdcst);

	if (epp->ep_fcntl_autoneg)
		/* efx_fcntl_set() has already set the phy capabilities */
		fcntl = MC_CMD_FCNTL_AUTO;
	else if (epp->ep_fcntl & EFX_FCNTL_RESPOND)
		fcntl = (epp->ep_fcntl & EFX_FCNTL_GENERATE)
			? MC_CMD_FCNTL_BIDIR
			: MC_CMD_FCNTL_RESPOND;
	else
		fcntl = MC_CMD_FCNTL_OFF;

	MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, fcntl);

	efx_mcdi_execute(enp, &req);

	if (req.emr_rc != 0) {
		rc = req.emr_rc;
		goto fail1;
	}

	/* Push multicast hash */

	if (epp->ep_all_mulcst) {
		/* A hash matching all multicast is all 1s */
		EFX_SET_OWORD(multicast_hash[0]);
		EFX_SET_OWORD(multicast_hash[1]);
	} else if (epp->ep_mulcst) {
		/* Use the hash set by the multicast list */
		multicast_hash[0] = epp->ep_multicst_hash[0];
		multicast_hash[1] = epp->ep_multicst_hash[1];
	} else {
		/* A hash matching no traffic is simply 0 */
		EFX_ZERO_OWORD(multicast_hash[0]);
		EFX_ZERO_OWORD(multicast_hash[1]);
	}

	/*
	 * Broadcast packets go through the multicast hash filter.
	 * The IEEE 802.3 CRC32 of the broadcast address is 0xbe2612ff
	 * so we always add bit 0xff to the mask (bit 0x7f in the
	 * second octword).
	 */
	if (epp->ep_brdcst) {
		/*
		 * NOTE: due to constant folding, some of this evaluates
		 * to null expressions, giving E_EXPR_NULL_EFFECT during
		 * lint on Illumos.  No good way to fix this without
		 * explicit coding the individual word/bit setting.
		 * So just suppress lint for this one line.
		 */
		/* LINTED */
		EFX_SET_OWORD_BIT(multicast_hash[1], 0x7f);
	}

	(void) memset(payload, 0, sizeof (payload));
	req.emr_cmd = MC_CMD_SET_MCAST_HASH;
	req.emr_in_buf = payload;
	req.emr_in_length = MC_CMD_SET_MCAST_HASH_IN_LEN;
	req.emr_out_buf = payload;
	req.emr_out_length = MC_CMD_SET_MCAST_HASH_OUT_LEN;

	memcpy(MCDI_IN2(req, uint8_t, SET_MCAST_HASH_IN_HASH0),
	    multicast_hash, sizeof (multicast_hash));

	efx_mcdi_execute(enp, &req);

	if (req.emr_rc != 0) {
		rc = req.emr_rc;
		goto fail2;
	}

	return (0);

fail2:
	EFSYS_PROBE(fail2);
fail1:
	EFSYS_PROBE1(fail1, efx_rc_t, rc);

	return (rc);
}