Real operator() (const F& f) const {
            QL_ASSERT(w_!=0, "Null weights" );
            QL_ASSERT(x_!=0, "Null abscissas");
            Size startIdx;
            Real val;

            const Size isOrderOdd = order_ & 1;

            if (isOrderOdd) {
              QL_ASSERT((n_>0), "assume at least 1 point in quadrature");
              val = w_[0]*f(x_[0]);
              startIdx=1;
            } else {
              val = 0.0;
              startIdx=0;
            }

            for (Size i=startIdx; i<n_; ++i) {
                val += w_[i]*f( x_[i]);
                val += w_[i]*f(-x_[i]);
            }
            return val;
        }
    Real GaussJacobiPolynomial::beta(Size i) const {
        Real num = 4.0*i*(i+alpha_)*(i+beta_)*(i+alpha_+beta_);
        Real denom = (2.0*i+alpha_+beta_)*(2.0*i+alpha_+beta_)
                   * ((2.0*i+alpha_+beta_)*(2.0*i+alpha_+beta_)-1);

        if (!denom) {
            if (num != 0.0) {
                QL_FAIL("can't compute b_k for jacobi integration\n");
            } else {
                // l'Hospital
                num  = 4.0*i*(i+beta_)* (2.0*i+2*alpha_+beta_);
                denom= 2.0*(2.0*i+alpha_+beta_);
                denom*=denom-1;
                QL_ASSERT(denom, "can't compute b_k for jacobi integration\n");
            }
        }
        return num / denom;
    }
    Real GaussJacobiPolynomial::alpha(Size i) const {
        Real num = beta_*beta_ - alpha_*alpha_;
        Real denom = (2.0*i+alpha_+beta_)*(2.0*i+alpha_+beta_+2);

        if (!denom) {
            if (num != 0.0) {
                QL_FAIL("can't compute a_k for jacobi integration\n");
            }
            else {
                // l'Hospital
                num  = 2*beta_;
                denom= 2*(2.0*i+alpha_+beta_+1);

                QL_ASSERT(denom, "can't compute a_k for jacobi integration\n");
            }
        }

        return num / denom;
    }
示例#4
0
/*
 * Name: qla_rx_intr
 * Function: Handles normal ethernet frames received
 */
static void
qla_rx_intr(qla_host_t *ha, qla_sgl_rcv_t *sgc, uint32_t sds_idx)
{
	qla_rx_buf_t		*rxb;
	struct mbuf		*mp = NULL, *mpf = NULL, *mpl = NULL;
	struct ifnet		*ifp = ha->ifp;
	qla_sds_t		*sdsp;
	struct ether_vlan_header *eh;
	uint32_t		i, rem_len = 0;
	uint32_t		r_idx = 0;
	qla_rx_ring_t		*rx_ring;

	if (ha->hw.num_rds_rings > 1)
		r_idx = sds_idx;
	
	ha->hw.rds[r_idx].count++;

	sdsp = &ha->hw.sds[sds_idx];
	rx_ring = &ha->rx_ring[r_idx];
	
	for (i = 0; i < sgc->num_handles; i++) {
		rxb = &rx_ring->rx_buf[sgc->handle[i] & 0x7FFF];

		QL_ASSERT(ha, (rxb != NULL),
			("%s: [sds_idx]=[%d] rxb != NULL\n", __func__,\
			sds_idx));

		if ((rxb == NULL) || QL_ERR_INJECT(ha, INJCT_RX_RXB_INVAL)) {
			/* log the error */
			device_printf(ha->pci_dev,
				"%s invalid rxb[%d, %d, 0x%04x]\n",
				__func__, sds_idx, i, sgc->handle[i]);
			qla_rcv_error(ha);
			return;
		}

		mp = rxb->m_head;
		if (i == 0) 
			mpf = mp;

		QL_ASSERT(ha, (mp != NULL),
			("%s: [sds_idx]=[%d] mp != NULL\n", __func__,\
			sds_idx));

		bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_POSTREAD);

		rxb->m_head = NULL;
		rxb->next = sdsp->rxb_free;
		sdsp->rxb_free = rxb;
		sdsp->rx_free++;
	
		if ((mp == NULL) || QL_ERR_INJECT(ha, INJCT_RX_MP_NULL)) {
			/* log the error */
			device_printf(ha->pci_dev,
				"%s mp  == NULL [%d, %d, 0x%04x]\n",
				__func__, sds_idx, i, sgc->handle[i]);
			qla_rcv_error(ha);
			return;
		}

		if (i == 0) {
			mpl = mpf = mp;
			mp->m_flags |= M_PKTHDR;
			mp->m_pkthdr.len = sgc->pkt_length;
			mp->m_pkthdr.rcvif = ifp;
			rem_len = mp->m_pkthdr.len;
		} else {
			mp->m_flags &= ~M_PKTHDR;
			mpl->m_next = mp;
			mpl = mp;
			rem_len = rem_len - mp->m_len;
		}
	}

	mpl->m_len = rem_len;

	eh = mtod(mpf, struct ether_vlan_header *);

	if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) {
		uint32_t *data = (uint32_t *)eh;

		mpf->m_pkthdr.ether_vtag = ntohs(eh->evl_tag);
		mpf->m_flags |= M_VLANTAG;

		*(data + 3) = *(data + 2);
		*(data + 2) = *(data + 1);
		*(data + 1) = *data;

		m_adj(mpf, ETHER_VLAN_ENCAP_LEN);
	}

	if (sgc->chksum_status == Q8_STAT_DESC_STATUS_CHKSUM_OK) {
		mpf->m_pkthdr.csum_flags = CSUM_IP_CHECKED | CSUM_IP_VALID |
			CSUM_DATA_VALID | CSUM_PSEUDO_HDR;
		mpf->m_pkthdr.csum_data = 0xFFFF;
	} else {
		mpf->m_pkthdr.csum_flags = 0;
	}

	if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);

	mpf->m_pkthdr.flowid = sgc->rss_hash;
	M_HASHTYPE_SET(mpf, M_HASHTYPE_OPAQUE);

	(*ifp->if_input)(ifp, mpf);

	if (sdsp->rx_free > ha->std_replenish)
		qla_replenish_normal_rx(ha, sdsp, r_idx);

	return;
}
示例#5
0
/*
 * Name: qla_rcv_isr
 * Function: Main Interrupt Service Routine
 */
static uint32_t
qla_rcv_isr(qla_host_t *ha, uint32_t sds_idx, uint32_t count)
{
	device_t dev;
	qla_hw_t *hw;
	uint32_t comp_idx, c_idx = 0, desc_count = 0, opcode;
	volatile q80_stat_desc_t *sdesc, *sdesc0 = NULL;
	uint32_t ret = 0;
	qla_sgl_comp_t sgc;
	uint16_t nhandles;
	uint32_t sds_replenish_threshold = 0;

	dev = ha->pci_dev;
	hw = &ha->hw;

	hw->sds[sds_idx].rcv_active = 1;
	if (ha->flags.stop_rcv) {
		hw->sds[sds_idx].rcv_active = 0;
		return 0;
	}

	QL_DPRINT2(ha, (dev, "%s: [%d]enter\n", __func__, sds_idx));

	/*
	 * receive interrupts
	 */
	comp_idx = hw->sds[sds_idx].sdsr_next;

	while (count-- && !ha->flags.stop_rcv) {

		sdesc = (q80_stat_desc_t *)
				&hw->sds[sds_idx].sds_ring_base[comp_idx];

		opcode = Q8_STAT_DESC_OPCODE((sdesc->data[1]));

		if (!opcode)
			break;

		hw->sds[sds_idx].intr_count++;
		switch (opcode) {

		case Q8_STAT_DESC_OPCODE_RCV_PKT:

			desc_count = 1;

			bzero(&sgc, sizeof(qla_sgl_comp_t));

			sgc.rcv.pkt_length =
				Q8_STAT_DESC_TOTAL_LENGTH((sdesc->data[0]));
			sgc.rcv.num_handles = 1;
			sgc.rcv.handle[0] =
				Q8_STAT_DESC_HANDLE((sdesc->data[0]));
			sgc.rcv.chksum_status =
				Q8_STAT_DESC_STATUS((sdesc->data[1]));

			sgc.rcv.rss_hash =
				Q8_STAT_DESC_RSS_HASH((sdesc->data[0]));

			if (Q8_STAT_DESC_VLAN((sdesc->data[1]))) {
				sgc.rcv.vlan_tag =
					Q8_STAT_DESC_VLAN_ID((sdesc->data[1]));
			}
			qla_rx_intr(ha, &sgc.rcv, sds_idx);
			break;

		case Q8_STAT_DESC_OPCODE_SGL_RCV:

			desc_count =
				Q8_STAT_DESC_COUNT_SGL_RCV((sdesc->data[1]));

			if (desc_count > 1) {
				c_idx = (comp_idx + desc_count -1) &
						(NUM_STATUS_DESCRIPTORS-1);
				sdesc0 = (q80_stat_desc_t *)
					&hw->sds[sds_idx].sds_ring_base[c_idx];

				if (Q8_STAT_DESC_OPCODE((sdesc0->data[1])) !=
						Q8_STAT_DESC_OPCODE_CONT) {
					desc_count = 0;
					break;
				}
			}

			bzero(&sgc, sizeof(qla_sgl_comp_t));

			sgc.rcv.pkt_length =
				Q8_STAT_DESC_TOTAL_LENGTH_SGL_RCV(\
					(sdesc->data[0]));
			sgc.rcv.chksum_status =
				Q8_STAT_DESC_STATUS((sdesc->data[1]));

			sgc.rcv.rss_hash =
				Q8_STAT_DESC_RSS_HASH((sdesc->data[0]));

			if (Q8_STAT_DESC_VLAN((sdesc->data[1]))) {
				sgc.rcv.vlan_tag =
					Q8_STAT_DESC_VLAN_ID((sdesc->data[1]));
			}

			QL_ASSERT(ha, (desc_count <= 2) ,\
				("%s: [sds_idx, data0, data1]="\
				"%d, %p, %p]\n", __func__, sds_idx,\
				(void *)sdesc->data[0],\
				(void *)sdesc->data[1]));

			sgc.rcv.num_handles = 1;
			sgc.rcv.handle[0] = 
				Q8_STAT_DESC_HANDLE((sdesc->data[0]));
			
			if (qla_rcv_cont_sds(ha, sds_idx, comp_idx, desc_count,
				&sgc.rcv.handle[1], &nhandles)) {
				device_printf(dev,
					"%s: [sds_idx, dcount, data0, data1]="
					 "[%d, %d, 0x%llx, 0x%llx]\n",
					__func__, sds_idx, desc_count,
					(long long unsigned int)sdesc->data[0],
					(long long unsigned int)sdesc->data[1]);
				desc_count = 0;
				break;	
			}

			sgc.rcv.num_handles += nhandles;

			qla_rx_intr(ha, &sgc.rcv, sds_idx);
			
			break;

		case Q8_STAT_DESC_OPCODE_SGL_LRO:

			desc_count =
				Q8_STAT_DESC_COUNT_SGL_LRO((sdesc->data[1]));

			if (desc_count > 1) {
				c_idx = (comp_idx + desc_count -1) &
						(NUM_STATUS_DESCRIPTORS-1);
				sdesc0 = (q80_stat_desc_t *)
					&hw->sds[sds_idx].sds_ring_base[c_idx];

				if (Q8_STAT_DESC_OPCODE((sdesc0->data[1])) !=
						Q8_STAT_DESC_OPCODE_CONT) {
					desc_count = 0;
					break;
				}
			}
			bzero(&sgc, sizeof(qla_sgl_comp_t));

			sgc.lro.payload_length =
			Q8_STAT_DESC_TOTAL_LENGTH_SGL_RCV((sdesc->data[0]));
				
			sgc.lro.rss_hash =
				Q8_STAT_DESC_RSS_HASH((sdesc->data[0]));
			
			sgc.lro.num_handles = 1;
			sgc.lro.handle[0] =
				Q8_STAT_DESC_HANDLE((sdesc->data[0]));

			if (Q8_SGL_LRO_STAT_TS((sdesc->data[1])))
				sgc.lro.flags |= Q8_LRO_COMP_TS;

			if (Q8_SGL_LRO_STAT_PUSH_BIT((sdesc->data[1])))
				sgc.lro.flags |= Q8_LRO_COMP_PUSH_BIT;

			sgc.lro.l2_offset =
				Q8_SGL_LRO_STAT_L2_OFFSET((sdesc->data[1]));
			sgc.lro.l4_offset =
				Q8_SGL_LRO_STAT_L4_OFFSET((sdesc->data[1]));

			if (Q8_STAT_DESC_VLAN((sdesc->data[1]))) {
				sgc.lro.vlan_tag =
					Q8_STAT_DESC_VLAN_ID((sdesc->data[1]));
			}

			QL_ASSERT(ha, (desc_count <= 7) ,\
				("%s: [sds_idx, data0, data1]="\
				 "[%d, 0x%llx, 0x%llx]\n",\
				__func__, sds_idx,\
				(long long unsigned int)sdesc->data[0],\
				(long long unsigned int)sdesc->data[1]));
				
			if (qla_rcv_cont_sds(ha, sds_idx, comp_idx, 
				desc_count, &sgc.lro.handle[1], &nhandles)) {
				device_printf(dev,
				"%s: [sds_idx, data0, data1]="\
				 "[%d, 0x%llx, 0x%llx]\n",\
				__func__, sds_idx,\
				(long long unsigned int)sdesc->data[0],\
				(long long unsigned int)sdesc->data[1]);

				desc_count = 0;
				break;	
			}

			sgc.lro.num_handles += nhandles;

			if (qla_lro_intr(ha, &sgc.lro, sds_idx)) {
				device_printf(dev,
				"%s: [sds_idx, data0, data1]="\
				 "[%d, 0x%llx, 0x%llx]\n",\
				__func__, sds_idx,\
				(long long unsigned int)sdesc->data[0],\
				(long long unsigned int)sdesc->data[1]);
				device_printf(dev,
				"%s: [comp_idx, c_idx, dcount, nhndls]="\
				 "[%d, %d, %d, %d]\n",\
				__func__, comp_idx, c_idx, desc_count,
				sgc.lro.num_handles);
				if (desc_count > 1) {
				device_printf(dev,
				"%s: [sds_idx, data0, data1]="\
				 "[%d, 0x%llx, 0x%llx]\n",\
				__func__, sds_idx,\
				(long long unsigned int)sdesc0->data[0],\
				(long long unsigned int)sdesc0->data[1]);
				}
			}
			
			break;

		default:
			device_printf(dev, "%s: default 0x%llx!\n", __func__,
					(long long unsigned int)sdesc->data[0]);
			break;
		}

		if (desc_count == 0)
			break;

		sds_replenish_threshold += desc_count;


		while (desc_count--) {
			sdesc->data[0] = 0ULL;
			sdesc->data[1] = 0ULL;
			comp_idx = (comp_idx + 1) & (NUM_STATUS_DESCRIPTORS-1);
			sdesc = (q80_stat_desc_t *)
				&hw->sds[sds_idx].sds_ring_base[comp_idx];
		}

		if (sds_replenish_threshold > ha->hw.sds_cidx_thres) {
			sds_replenish_threshold = 0;
			if (hw->sds[sds_idx].sdsr_next != comp_idx) {
				QL_UPDATE_SDS_CONSUMER_INDEX(ha, sds_idx,\
					comp_idx);
			}
			hw->sds[sds_idx].sdsr_next = comp_idx;
		}
	}

	if (ha->flags.stop_rcv)
		goto qla_rcv_isr_exit;

	if (hw->sds[sds_idx].sdsr_next != comp_idx) {
		QL_UPDATE_SDS_CONSUMER_INDEX(ha, sds_idx, comp_idx);
	}
	hw->sds[sds_idx].sdsr_next = comp_idx;

	sdesc = (q80_stat_desc_t *)&hw->sds[sds_idx].sds_ring_base[comp_idx];
	opcode = Q8_STAT_DESC_OPCODE((sdesc->data[1]));

	if (opcode)
		ret = -1;

qla_rcv_isr_exit:
	hw->sds[sds_idx].rcv_active = 0;

	return (ret);
}
示例#6
0
static int
qla_rcv_cont_sds(qla_host_t *ha, uint32_t sds_idx, uint32_t comp_idx,
	uint32_t dcount, uint16_t *handle, uint16_t *nhandles)
{
	uint32_t i;
	uint16_t num_handles;
	q80_stat_desc_t *sdesc;
	uint32_t opcode;

	*nhandles = 0;
	dcount--;

	for (i = 0; i < dcount; i++) {
		comp_idx = (comp_idx + 1) & (NUM_STATUS_DESCRIPTORS-1);
		sdesc = (q80_stat_desc_t *)
				&ha->hw.sds[sds_idx].sds_ring_base[comp_idx];

		opcode = Q8_STAT_DESC_OPCODE((sdesc->data[1]));

		if (!opcode) {
			device_printf(ha->pci_dev, "%s: opcode=0 %p %p\n",
				__func__, (void *)sdesc->data[0],
				(void *)sdesc->data[1]);
			return -1;
		}

		num_handles = Q8_SGL_STAT_DESC_NUM_HANDLES((sdesc->data[1]));
		if (!num_handles) {
			device_printf(ha->pci_dev, "%s: opcode=0 %p %p\n",
				__func__, (void *)sdesc->data[0],
				(void *)sdesc->data[1]);
			return -1;
		}

		if (QL_ERR_INJECT(ha, INJCT_NUM_HNDLE_INVALID))
			num_handles = -1;

		switch (num_handles) {

		case 1:
			*handle++ = Q8_SGL_STAT_DESC_HANDLE1((sdesc->data[0]));
			break;

		case 2:
			*handle++ = Q8_SGL_STAT_DESC_HANDLE1((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE2((sdesc->data[0]));
			break;

		case 3:
			*handle++ = Q8_SGL_STAT_DESC_HANDLE1((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE2((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE3((sdesc->data[0]));
			break;

		case 4:
			*handle++ = Q8_SGL_STAT_DESC_HANDLE1((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE2((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE3((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE4((sdesc->data[0]));
			break;

		case 5:
			*handle++ = Q8_SGL_STAT_DESC_HANDLE1((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE2((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE3((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE4((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE5((sdesc->data[1]));
			break;

		case 6:
			*handle++ = Q8_SGL_STAT_DESC_HANDLE1((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE2((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE3((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE4((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE5((sdesc->data[1]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE6((sdesc->data[1]));
			break;

		case 7:
			*handle++ = Q8_SGL_STAT_DESC_HANDLE1((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE2((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE3((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE4((sdesc->data[0]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE5((sdesc->data[1]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE6((sdesc->data[1]));
			*handle++ = Q8_SGL_STAT_DESC_HANDLE7((sdesc->data[1]));
			break;

		default:
			device_printf(ha->pci_dev,
				"%s: invalid num handles %p %p\n",
				__func__, (void *)sdesc->data[0],
				(void *)sdesc->data[1]);

			QL_ASSERT(ha, (0),\
			("%s: %s [nh, sds, d0, d1]=[%d, %d, %p, %p]\n",
			__func__, "invalid num handles", sds_idx, num_handles,
			(void *)sdesc->data[0],(void *)sdesc->data[1]));

			qla_rcv_error(ha);
			return 0;
		}
		*nhandles = *nhandles + num_handles;
	}
	return 0;
}
示例#7
0
/*
 * Name: qla_lro_intr
 * Function: Handles normal ethernet frames received
 */
static int
qla_lro_intr(qla_host_t *ha, qla_sgl_lro_t *sgc, uint32_t sds_idx)
{
	qla_rx_buf_t *rxb;
	struct mbuf *mp = NULL, *mpf = NULL, *mpl = NULL;
	struct ifnet *ifp = ha->ifp;
	qla_sds_t *sdsp;
	struct ether_vlan_header *eh;
	uint32_t i, rem_len = 0, pkt_length, iplen;
	struct tcphdr *th;
	struct ip *ip = NULL;
	struct ip6_hdr *ip6 = NULL;
	uint16_t etype;
	uint32_t r_idx = 0;
	qla_rx_ring_t *rx_ring;

	if (ha->hw.num_rds_rings > 1)
		r_idx = sds_idx;

	ha->hw.rds[r_idx].count++;

	rx_ring = &ha->rx_ring[r_idx];
	
	ha->lro_pkt_count++;

	sdsp = &ha->hw.sds[sds_idx];
	
	pkt_length = sgc->payload_length + sgc->l4_offset;

	if (sgc->flags & Q8_LRO_COMP_TS) {
		pkt_length += QLA_TCP_HDR_SIZE + QLA_TCP_TS_OPTION_SIZE;
	} else {
		pkt_length += QLA_TCP_HDR_SIZE;
	}
	ha->lro_bytes += pkt_length;

	for (i = 0; i < sgc->num_handles; i++) {
		rxb = &rx_ring->rx_buf[sgc->handle[i] & 0x7FFF];

		QL_ASSERT(ha, (rxb != NULL),
			("%s: [sds_idx]=[%d] rxb != NULL\n", __func__,\
			sds_idx));

		if ((rxb == NULL) || QL_ERR_INJECT(ha, INJCT_LRO_RXB_INVAL)) {
			/* log the error */
			device_printf(ha->pci_dev,
				"%s invalid rxb[%d, %d, 0x%04x]\n",
				__func__, sds_idx, i, sgc->handle[i]);
			qla_rcv_error(ha);
			return (0);
		}

		mp = rxb->m_head;
		if (i == 0) 
			mpf = mp;

		QL_ASSERT(ha, (mp != NULL),
			("%s: [sds_idx]=[%d] mp != NULL\n", __func__,\
			sds_idx));

		bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_POSTREAD);

		rxb->m_head = NULL;
		rxb->next = sdsp->rxb_free;
		sdsp->rxb_free = rxb;
		sdsp->rx_free++;
	
		if ((mp == NULL) || QL_ERR_INJECT(ha, INJCT_LRO_MP_NULL)) {
			/* log the error */
			device_printf(ha->pci_dev,
				"%s mp  == NULL [%d, %d, 0x%04x]\n",
				__func__, sds_idx, i, sgc->handle[i]);
			qla_rcv_error(ha);
			return (0);
		}

		if (i == 0) {
			mpl = mpf = mp;
			mp->m_flags |= M_PKTHDR;
			mp->m_pkthdr.len = pkt_length;
			mp->m_pkthdr.rcvif = ifp;
			rem_len = mp->m_pkthdr.len;
		} else {
			mp->m_flags &= ~M_PKTHDR;
			mpl->m_next = mp;
			mpl = mp;
			rem_len = rem_len - mp->m_len;
		}
	}

	mpl->m_len = rem_len;

	th = (struct tcphdr *)(mpf->m_data + sgc->l4_offset);

	if (sgc->flags & Q8_LRO_COMP_PUSH_BIT)
		th->th_flags |= TH_PUSH;

	m_adj(mpf, sgc->l2_offset);

	eh = mtod(mpf, struct ether_vlan_header *);

	if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) {
		uint32_t *data = (uint32_t *)eh;

		mpf->m_pkthdr.ether_vtag = ntohs(eh->evl_tag);
		mpf->m_flags |= M_VLANTAG;

		*(data + 3) = *(data + 2);
		*(data + 2) = *(data + 1);
		*(data + 1) = *data;

		m_adj(mpf, ETHER_VLAN_ENCAP_LEN);

		etype = ntohs(eh->evl_proto);
	} else {
		etype = ntohs(eh->evl_encap_proto);
	}

	if (etype == ETHERTYPE_IP) {
		ip = (struct ip *)(mpf->m_data + ETHER_HDR_LEN);
	
		iplen = (ip->ip_hl << 2) + (th->th_off << 2) +
				sgc->payload_length;

                ip->ip_len = htons(iplen);

		ha->ipv4_lro++;
	} else if (etype == ETHERTYPE_IPV6) {
		ip6 = (struct ip6_hdr *)(mpf->m_data + ETHER_HDR_LEN);

		iplen = (th->th_off << 2) + sgc->payload_length;

		ip6->ip6_plen = htons(iplen);

		ha->ipv6_lro++;
	} else {
		m_freem(mpf);

		if (sdsp->rx_free > ha->std_replenish)
			qla_replenish_normal_rx(ha, sdsp, r_idx);
		return 0;
	}

	mpf->m_pkthdr.csum_flags = CSUM_IP_CHECKED | CSUM_IP_VALID |
					CSUM_DATA_VALID | CSUM_PSEUDO_HDR;
	mpf->m_pkthdr.csum_data = 0xFFFF;

	mpf->m_pkthdr.flowid = sgc->rss_hash;
	M_HASHTYPE_SET(mpf, M_HASHTYPE_OPAQUE);

	if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);

	(*ifp->if_input)(ifp, mpf);

	if (sdsp->rx_free > ha->std_replenish)
		qla_replenish_normal_rx(ha, sdsp, r_idx);

	return (0);
}
示例#8
0
/*
 * Name: qla_rx_intr
 * Function: Handles normal ethernet frames received
 */
static void
qla_rx_intr(qla_host_t *ha, uint64_t data, uint32_t sds_idx,
	struct lro_ctrl *lro)
{
	uint32_t idx, length, status, ring;
	qla_rx_buf_t *rxb;
	struct mbuf *mp;
	struct ifnet *ifp = ha->ifp;
	qla_sds_t *sdsp;
	struct ether_vlan_header *eh;
	
	sdsp = &ha->hw.sds[sds_idx];
	
	ring = (uint32_t)Q8_STAT_DESC_TYPE(data);
	idx = (uint32_t)Q8_STAT_DESC_HANDLE(data);
	length = (uint32_t)Q8_STAT_DESC_TOTAL_LENGTH(data);
	status = (uint32_t)Q8_STAT_DESC_STATUS(data);

	if (ring == 0) {
		if ((idx >= NUM_RX_DESCRIPTORS) || (length > MCLBYTES)) {
			device_printf(ha->pci_dev, "%s: ring[%d] index[0x%08x]"
				" len[0x%08x] invalid\n",
				__func__, ring, idx, length);
			return;
		}
	} else {
		if ((idx >= NUM_RX_JUMBO_DESCRIPTORS)||(length > MJUM9BYTES)) {
			device_printf(ha->pci_dev, "%s: ring[%d] index[0x%08x]"
				" len[0x%08x] invalid\n",
				__func__, ring, idx, length);
			return;
		}
	}

	if (ring == 0)
		rxb = &ha->rx_buf[idx];
	else 
		rxb = &ha->rx_jbuf[idx];

	QL_ASSERT((rxb != NULL),\
		("%s: [r, i, sds_idx]=[%d, 0x%x, %d] rxb != NULL\n",\
		 __func__, ring, idx, sds_idx));

	mp = rxb->m_head;

	QL_ASSERT((mp != NULL),\
		("%s: [r,i,rxb, sds_idx]=[%d, 0x%x, %p, %d] mp != NULL\n",\
		 __func__, ring, idx, rxb, sds_idx));

	bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_POSTREAD);

	if (ring == 0) {
		rxb->m_head = NULL;
		rxb->next = sdsp->rxb_free;
		sdsp->rxb_free = rxb;
		sdsp->rx_free++;
	} else {
		rxb->m_head = NULL;
		rxb->next = sdsp->rxjb_free;
		sdsp->rxjb_free = rxb;
		sdsp->rxj_free++;
	}
	
	mp->m_len = length;
	mp->m_pkthdr.len = length;
	mp->m_pkthdr.rcvif = ifp;
	
	eh = mtod(mp, struct ether_vlan_header *);

	if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) {
		uint32_t *data = (uint32_t *)eh;

		mp->m_pkthdr.ether_vtag = ntohs(eh->evl_tag);
		mp->m_flags |= M_VLANTAG;

		*(data + 3) = *(data + 2);
		*(data + 2) = *(data + 1);
		*(data + 1) = *data;

		m_adj(mp, ETHER_VLAN_ENCAP_LEN);
	}

	if (status == Q8_STAT_DESC_STATUS_CHKSUM_OK) {
		mp->m_pkthdr.csum_flags = (CSUM_IP_CHECKED | CSUM_IP_VALID);
	} else {
		mp->m_pkthdr.csum_flags = 0;
	}

	if (lro->lro_cnt && (tcp_lro_rx(lro, mp, 0) == 0)) {
		/* LRO packet has been successfuly queued */
	} else {
		(*ifp->if_input)(ifp, mp);
	}

	if (sdsp->rx_free > std_replenish)
		qla_replenish_normal_rx(ha, sdsp);

	if (sdsp->rxj_free > jumbo_replenish)
		qla_replenish_jumbo_rx(ha, sdsp);

	return;
}