#endif
}
+static const
+iavf_rxd_to_pkt_fields_t rxd_to_pkt_fields_ops[] = {
+ [IAVF_RXDID_COMMS_AUX_VLAN] = iavf_rxd_to_pkt_fields_by_comms_aux_v1,
+ [IAVF_RXDID_COMMS_AUX_IPV4] = iavf_rxd_to_pkt_fields_by_comms_aux_v1,
+ [IAVF_RXDID_COMMS_AUX_IPV6] = iavf_rxd_to_pkt_fields_by_comms_aux_v1,
+ [IAVF_RXDID_COMMS_AUX_IPV6_FLOW] =
+ iavf_rxd_to_pkt_fields_by_comms_aux_v1,
+ [IAVF_RXDID_COMMS_AUX_TCP] = iavf_rxd_to_pkt_fields_by_comms_aux_v1,
+ [IAVF_RXDID_COMMS_AUX_IP_OFFSET] =
+ iavf_rxd_to_pkt_fields_by_comms_aux_v2,
+ [IAVF_RXDID_COMMS_IPSEC_CRYPTO] =
+ iavf_rxd_to_pkt_fields_by_comms_aux_v2,
+ [IAVF_RXDID_COMMS_OVS_1] = iavf_rxd_to_pkt_fields_by_comms_ovs,
+};
+
static void
iavf_select_rxd_to_pkt_fields_handler(struct iavf_rx_queue *rxq, uint32_t rxdid)
{
+ rxq->rxdid = rxdid;
+
switch (rxdid) {
case IAVF_RXDID_COMMS_AUX_VLAN:
rxq->xtr_ol_flag = rte_pmd_ifd_dynflag_proto_xtr_vlan_mask;
- rxq->rxd_to_pkt_fields =
- iavf_rxd_to_pkt_fields_by_comms_aux_v1;
break;
case IAVF_RXDID_COMMS_AUX_IPV4:
rxq->xtr_ol_flag = rte_pmd_ifd_dynflag_proto_xtr_ipv4_mask;
- rxq->rxd_to_pkt_fields =
- iavf_rxd_to_pkt_fields_by_comms_aux_v1;
break;
case IAVF_RXDID_COMMS_AUX_IPV6:
rxq->xtr_ol_flag = rte_pmd_ifd_dynflag_proto_xtr_ipv6_mask;
- rxq->rxd_to_pkt_fields =
- iavf_rxd_to_pkt_fields_by_comms_aux_v1;
break;
case IAVF_RXDID_COMMS_AUX_IPV6_FLOW:
rxq->xtr_ol_flag =
rte_pmd_ifd_dynflag_proto_xtr_ipv6_flow_mask;
- rxq->rxd_to_pkt_fields =
- iavf_rxd_to_pkt_fields_by_comms_aux_v1;
break;
case IAVF_RXDID_COMMS_AUX_TCP:
rxq->xtr_ol_flag = rte_pmd_ifd_dynflag_proto_xtr_tcp_mask;
- rxq->rxd_to_pkt_fields =
- iavf_rxd_to_pkt_fields_by_comms_aux_v1;
break;
case IAVF_RXDID_COMMS_AUX_IP_OFFSET:
rxq->xtr_ol_flag =
rte_pmd_ifd_dynflag_proto_xtr_ip_offset_mask;
- rxq->rxd_to_pkt_fields =
- iavf_rxd_to_pkt_fields_by_comms_aux_v2;
break;
case IAVF_RXDID_COMMS_IPSEC_CRYPTO:
rxq->xtr_ol_flag =
rte_pmd_ifd_dynflag_proto_xtr_ipsec_crypto_said_mask;
- rxq->rxd_to_pkt_fields =
- iavf_rxd_to_pkt_fields_by_comms_aux_v2;
break;
case IAVF_RXDID_COMMS_OVS_1:
- rxq->rxd_to_pkt_fields = iavf_rxd_to_pkt_fields_by_comms_ovs;
break;
default:
/* update this according to the RXDID for FLEX_DESC_NONE */
- rxq->rxd_to_pkt_fields = iavf_rxd_to_pkt_fields_by_comms_ovs;
+ rxq->rxdid = IAVF_RXDID_COMMS_OVS_1;
break;
}
iavf_flex_rxd_to_vlan_tci(rxm, &rxd);
iavf_flex_rxd_to_ipsec_crypto_status(rxm, &rxd,
&rxq->stats.ipsec_crypto);
- rxq->rxd_to_pkt_fields(rxq, rxm, &rxd);
+ rxd_to_pkt_fields_ops[rxq->rxdid](rxq, rxm, &rxd);
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(rx_stat_err0);
rxm->ol_flags |= pkt_flags;
iavf_flex_rxd_to_vlan_tci(first_seg, &rxd);
iavf_flex_rxd_to_ipsec_crypto_status(first_seg, &rxd,
&rxq->stats.ipsec_crypto);
- rxq->rxd_to_pkt_fields(rxq, first_seg, &rxd);
+ rxd_to_pkt_fields_ops[rxq->rxdid](rxq, first_seg, &rxd);
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(rx_stat_err0);
first_seg->ol_flags |= pkt_flags;
struct rte_mbuf *mb;
uint16_t stat_err0;
uint16_t pkt_len;
- int32_t s[IAVF_LOOK_AHEAD], nb_dd;
+ int32_t s[IAVF_LOOK_AHEAD], var, nb_dd;
int32_t i, j, nb_rx = 0;
uint64_t pkt_flags;
const uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
rte_smp_rmb();
- /* Compute how many status bits were set */
- for (j = 0, nb_dd = 0; j < IAVF_LOOK_AHEAD; j++)
- nb_dd += s[j] & (1 << IAVF_RX_FLEX_DESC_STATUS0_DD_S);
+ /* Compute how many contiguous DD bits were set */
+ for (j = 0, nb_dd = 0; j < IAVF_LOOK_AHEAD; j++) {
+ var = s[j] & (1 << IAVF_RX_FLEX_DESC_STATUS0_DD_S);
+#ifdef RTE_ARCH_ARM
+ /* For Arm platforms, count only contiguous descriptors
+ * whose DD bit is set to 1. On Arm platforms, reads of
+ * descriptors can be reordered. Since the CPU may
+ * be reading the descriptors as the NIC updates them
+ * in memory, it is possbile that the DD bit for a
+ * descriptor earlier in the queue is read as not set
+ * while the DD bit for a descriptor later in the queue
+ * is read as set.
+ */
+ if (var)
+ nb_dd += 1;
+ else
+ break;
+#else
+ nb_dd += var;
+#endif
+ }
nb_rx += nb_dd;
iavf_flex_rxd_to_vlan_tci(mb, &rxdp[j]);
iavf_flex_rxd_to_ipsec_crypto_status(mb, &rxdp[j],
&rxq->stats.ipsec_crypto);
- rxq->rxd_to_pkt_fields(rxq, mb, &rxdp[j]);
+ rxd_to_pkt_fields_ops[rxq->rxdid](rxq, mb, &rxdp[j]);
stat_err0 = rte_le_to_cpu_16(rxdp[j].wb.status_error0);
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(stat_err0);
uint16_t pkt_len;
uint64_t qword1;
uint32_t rx_status;
- int32_t s[IAVF_LOOK_AHEAD], nb_dd;
+ int32_t s[IAVF_LOOK_AHEAD], var, nb_dd;
int32_t i, j, nb_rx = 0;
uint64_t pkt_flags;
const uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
rte_smp_rmb();
- /* Compute how many status bits were set */
- for (j = 0, nb_dd = 0; j < IAVF_LOOK_AHEAD; j++)
- nb_dd += s[j] & (1 << IAVF_RX_DESC_STATUS_DD_SHIFT);
+ /* Compute how many contiguous DD bits were set */
+ for (j = 0, nb_dd = 0; j < IAVF_LOOK_AHEAD; j++) {
+ var = s[j] & (1 << IAVF_RX_DESC_STATUS_DD_SHIFT);
+#ifdef RTE_ARCH_ARM
+ /* For Arm platforms, count only contiguous descriptors
+ * whose DD bit is set to 1. On Arm platforms, reads of
+ * descriptors can be reordered. Since the CPU may
+ * be reading the descriptors as the NIC updates them
+ * in memory, it is possbile that the DD bit for a
+ * descriptor earlier in the queue is read as not set
+ * while the DD bit for a descriptor later in the queue
+ * is read as set.
+ */
+ if (var)
+ nb_dd += 1;
+ else
+ break;
+#else
+ nb_dd += var;
+#endif
+ }
nb_rx += nb_dd;
desc->buffer_addr = rte_mbuf_data_iova(m);
/* calculate data buffer size less set header lengths */
- if (m->ol_flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_UDP_SEG)) {
- if (m->ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)
- hdrlen += m->outer_l3_len;
+ if ((m->ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) &&
+ (m->ol_flags & (RTE_MBUF_F_TX_TCP_SEG |
+ RTE_MBUF_F_TX_UDP_SEG))) {
+ hdrlen += m->outer_l3_len;
if (m->ol_flags & RTE_MBUF_F_TX_L4_MASK)
hdrlen += m->l3_len + m->l4_len;
else
if (m->ol_flags & RTE_MBUF_F_TX_SEC_OFFLOAD)
hdrlen += ipseclen;
bufsz = hdrlen + tlen;
+ } else if ((m->ol_flags & RTE_MBUF_F_TX_SEC_OFFLOAD) &&
+ (m->ol_flags & (RTE_MBUF_F_TX_TCP_SEG |
+ RTE_MBUF_F_TX_UDP_SEG))) {
+ hdrlen += m->outer_l3_len + m->l3_len + ipseclen;
+ if (m->ol_flags & RTE_MBUF_F_TX_L4_MASK)
+ hdrlen += m->l4_len;
+ bufsz = hdrlen + tlen;
+
} else {
bufsz = m->data_len;
}