@@ -1048,27 +1048,31 @@ iavf_rxd_to_vlan_tci(struct rte_mbuf *mb, volatile union iavf_rx_desc *rxdp)
static inline void
iavf_flex_rxd_to_vlan_tci(struct rte_mbuf *mb,
- volatile union iavf_rx_flex_desc *rxdp,
- uint8_t rx_flags)
+ volatile union iavf_rx_flex_desc *rxdp)
{
- uint16_t vlan_tci = 0;
-
- if (rx_flags & IAVF_RX_FLAGS_VLAN_TAG_LOC_L2TAG1 &&
- rte_le_to_cpu_64(rxdp->wb.status_error0) &
- (1 << IAVF_RX_FLEX_DESC_STATUS0_L2TAG1P_S))
- vlan_tci = rte_le_to_cpu_16(rxdp->wb.l2tag1);
+ if (rte_le_to_cpu_64(rxdp->wb.status_error0) &
+ (1 << IAVF_RX_FLEX_DESC_STATUS0_L2TAG1P_S)) {
+ mb->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
+ mb->vlan_tci =
+ rte_le_to_cpu_16(rxdp->wb.l2tag1);
+ } else {
+ mb->vlan_tci = 0;
+ }
#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
- if (rx_flags & IAVF_RX_FLAGS_VLAN_TAG_LOC_L2TAG2_2 &&
- rte_le_to_cpu_16(rxdp->wb.status_error1) &
- (1 << IAVF_RX_FLEX_DESC_STATUS1_L2TAG2P_S))
- vlan_tci = rte_le_to_cpu_16(rxdp->wb.l2tag2_2nd);
-#endif
-
- if (vlan_tci) {
- mb->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED;
- mb->vlan_tci = vlan_tci;
+ if (rte_le_to_cpu_16(rxdp->wb.status_error1) &
+ (1 << IAVF_RX_FLEX_DESC_STATUS1_L2TAG2P_S)) {
+ mb->ol_flags |= PKT_RX_QINQ_STRIPPED | PKT_RX_QINQ |
+ PKT_RX_VLAN_STRIPPED | PKT_RX_VLAN;
+ mb->vlan_tci_outer = mb->vlan_tci;
+ mb->vlan_tci = rte_le_to_cpu_16(rxdp->wb.l2tag2_2nd);
+ PMD_RX_LOG(DEBUG, "Descriptor l2tag2_1: %u, l2tag2_2: %u",
+ rte_le_to_cpu_16(rxdp->wb.l2tag2_1st),
+ rte_le_to_cpu_16(rxdp->wb.l2tag2_2nd));
+ } else {
+ mb->vlan_tci_outer = 0;
}
+#endif
}
/* Translate the rx descriptor status and error fields to pkt flags */
@@ -1388,7 +1392,7 @@ iavf_recv_pkts_flex_rxd(void *rx_queue,
rxm->ol_flags = 0;
rxm->packet_type = ptype_tbl[IAVF_RX_FLEX_DESC_PTYPE_M &
rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)];
- iavf_flex_rxd_to_vlan_tci(rxm, &rxd, rxq->rx_flags);
+ iavf_flex_rxd_to_vlan_tci(rxm, &rxd);
rxq->rxd_to_pkt_fields(rxq, rxm, &rxd);
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(rx_stat_err0);
rxm->ol_flags |= pkt_flags;
@@ -1530,7 +1534,7 @@ iavf_recv_scattered_pkts_flex_rxd(void *rx_queue, struct rte_mbuf **rx_pkts,
first_seg->ol_flags = 0;
first_seg->packet_type = ptype_tbl[IAVF_RX_FLEX_DESC_PTYPE_M &
rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)];
- iavf_flex_rxd_to_vlan_tci(first_seg, &rxd, rxq->rx_flags);
+ iavf_flex_rxd_to_vlan_tci(first_seg, &rxd);
rxq->rxd_to_pkt_fields(rxq, first_seg, &rxd);
pkt_flags = iavf_flex_rxd_error_to_pkt_flags(rx_stat_err0);
@@ -1768,7 +1772,7 @@ iavf_rx_scan_hw_ring_flex_rxd(struct iavf_rx_queue *rxq)
mb->packet_type = ptype_tbl[IAVF_RX_FLEX_DESC_PTYPE_M &
rte_le_to_cpu_16(rxdp[j].wb.ptype_flex_flags0)];
- iavf_flex_rxd_to_vlan_tci(mb, &rxdp[j], rxq->rx_flags);
+ iavf_flex_rxd_to_vlan_tci(mb, &rxdp[j]);
rxq->rxd_to_pkt_fields(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);
@@ -2038,7 +2042,7 @@ iavf_xmit_cleanup(struct iavf_tx_queue *txq)
desc_to_clean_to = (uint16_t)(desc_to_clean_to - nb_tx_desc);
desc_to_clean_to = sw_ring[desc_to_clean_to].last_id;
- if ((txd[desc_to_clean_to].cmd_type_offset_bsz &
+ if ((txd[desc_to_clean_to].qw1 &
rte_cpu_to_le_64(IAVF_TXD_QW1_DTYPE_MASK)) !=
rte_cpu_to_le_64(IAVF_TX_DESC_DTYPE_DESC_DONE)) {
PMD_TX_LOG(DEBUG, "TX descriptor %4u is not done "
@@ -2054,7 +2058,7 @@ iavf_xmit_cleanup(struct iavf_tx_queue *txq)
nb_tx_to_clean = (uint16_t)(desc_to_clean_to -
last_desc_cleaned);
- txd[desc_to_clean_to].cmd_type_offset_bsz = 0;
+ txd[desc_to_clean_to].qw1 = 0;
txq->last_desc_cleaned = desc_to_clean_to;
txq->nb_free = (uint16_t)(txq->nb_free + nb_tx_to_clean);
@@ -2062,190 +2066,296 @@ iavf_xmit_cleanup(struct iavf_tx_queue *txq)
return 0;
}
-/* Check if the context descriptor is needed for TX offloading */
+
+
+static inline void
+iavf_fill_ctx_desc_cmd_field(volatile uint64_t *field, struct rte_mbuf *m)
+{
+ uint64_t cmd = 0;
+
+ /* TSO enabled */
+ if (m->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_UDP_SEG))
+ cmd = IAVF_TX_CTX_DESC_TSO << IAVF_TXD_DATA_QW1_CMD_SHIFT;
+
+ /* Time Sync - Currently not supported */
+
+ /* Outer L2 TAG 2 Insertion - Currently not supported */
+ /* Inner L2 TAG 2 Insertion - Currently not supported */
+
+ *field |= cmd;
+}
+
+static inline void
+iavf_fill_ctx_desc_tunnelling_field(volatile uint64_t *qw0,
+ const struct rte_mbuf *m)
+{
+ uint64_t eip_typ = IAVF_TX_CTX_DESC_EIPT_NONE;
+ uint64_t eip_len = 0;
+ uint64_t eip_noinc = 0;
+ /* Default - IP_ID is increment in each segment of LSO */
+
+ switch (m->ol_flags & (PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IPV6 |
+ PKT_TX_OUTER_IP_CKSUM)) {
+ case PKT_TX_OUTER_IPV4:
+ eip_typ = IAVF_TX_CTX_DESC_EIPT_IPV4_NO_CHECKSUM_OFFLOAD;
+ eip_len = m->outer_l3_len >> 2;
+ break;
+ case PKT_TX_OUTER_IPV4 | PKT_TX_OUTER_IP_CKSUM:
+ eip_typ = IAVF_TX_CTX_DESC_EIPT_IPV4_CHECKSUM_OFFLOAD;
+ eip_len = m->outer_l3_len >> 2;
+ break;
+ case PKT_TX_OUTER_IPV6:
+ eip_typ = IAVF_TX_CTX_DESC_EIPT_IPV6;
+ eip_len = m->outer_l3_len >> 2;
+ break;
+ }
+
+ *qw0 = eip_typ << IAVF_TXD_CTX_QW0_TUN_PARAMS_EIPT_SHIFT |
+ eip_len << IAVF_TXD_CTX_QW0_TUN_PARAMS_EIPLEN_SHIFT |
+ eip_noinc << IAVF_TXD_CTX_QW0_TUN_PARAMS_EIP_NOINC_SHIFT;
+}
+
static inline uint16_t
-iavf_calc_context_desc(uint64_t flags, uint8_t vlan_flag)
+iavf_fill_ctx_desc_segmentation_field(volatile uint64_t *field,
+ struct rte_mbuf *m)
{
- if (flags & PKT_TX_TCP_SEG)
- return 1;
- if (flags & PKT_TX_VLAN_PKT &&
- vlan_flag & IAVF_TX_FLAGS_VLAN_TAG_LOC_L2TAG2)
- return 1;
- return 0;
+ uint64_t segmentation_field = 0;
+ uint64_t total_length = 0;
+
+ total_length = m->pkt_len - (m->l2_len + m->l3_len + m->l4_len);
+
+ if (m->ol_flags & PKT_TX_TUNNEL_MASK)
+ total_length -= m->outer_l3_len;
+
+#ifdef RTE_LIBRTE_IAVF_DEBUG_TX
+ if (!m->l4_len || !m->tso_segsz)
+ PMD_TX_LOG(DEBUG, "L4 length %d, LSO Segment size %d",
+ m->l4_len, m->tso_segsz);
+ if (m->tso_segsz < 88)
+ PMD_TX_LOG(DEBUG, "LSO Segment size %d is less than minimum %d",
+ m->tso_segsz, 88);
+#endif
+ segmentation_field =
+ (((uint64_t)total_length << IAVF_TXD_CTX_QW1_TSO_LEN_SHIFT) &
+ IAVF_TXD_CTX_QW1_TSO_LEN_MASK) |
+ (((uint64_t)m->tso_segsz << IAVF_TXD_CTX_QW1_MSS_SHIFT) &
+ IAVF_TXD_CTX_QW1_MSS_MASK);
+
+ *field |= segmentation_field;
+
+ return total_length;
+}
+
+static inline void
+iavf_fill_context_desc(volatile struct iavf_tx_context_desc *desc,
+ struct rte_mbuf *m, uint16_t *tlen)
+{
+ /* fill descriptor type field */
+ desc->qw1 = IAVF_TX_DESC_DTYPE_CONTEXT;
+
+ /* fill command field */
+ iavf_fill_ctx_desc_cmd_field(&desc->qw1, m);
+
+ /* fill segmentation field */
+ if (m->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_UDP_SEG)) {
+ *tlen = iavf_fill_ctx_desc_segmentation_field(&desc->qw1,
+ m);
+ }
+
+ /* fill tunnelling field */
+ if (m->ol_flags & PKT_TX_TUNNEL_MASK)
+ iavf_fill_ctx_desc_tunnelling_field(&desc->qw0, m);
+ else
+ desc->qw0 = 0;
+
+ desc->qw0 = rte_cpu_to_le_64(desc->qw0);
+ desc->qw1 = rte_cpu_to_le_64(desc->qw1);
}
+
static inline void
-iavf_txd_enable_checksum(uint64_t ol_flags,
- uint32_t *td_cmd,
- uint32_t *td_offset,
- union iavf_tx_offload tx_offload)
+iavf_build_data_desc_cmd_offset_fields(volatile uint64_t *qw1,
+ struct rte_mbuf *m)
{
+ uint64_t command = 0;
+ uint64_t offset = 0;
+ uint64_t l2tag1 = 0;
+
+ *qw1 = IAVF_TX_DESC_DTYPE_DATA;
+
+ command = (uint64_t)IAVF_TX_DESC_CMD_ICRC;
+
+ /* Descriptor based VLAN insertion */
+ if (m->ol_flags & PKT_TX_VLAN_PKT) {
+ command |= (uint64_t)IAVF_TX_DESC_CMD_IL2TAG1;
+ l2tag1 |= m->vlan_tci;
+ }
+
/* Set MACLEN */
- *td_offset |= (tx_offload.l2_len >> 1) <<
- IAVF_TX_DESC_LENGTH_MACLEN_SHIFT;
-
- /* Enable L3 checksum offloads */
- if (ol_flags & PKT_TX_IP_CKSUM) {
- *td_cmd |= IAVF_TX_DESC_CMD_IIPT_IPV4_CSUM;
- *td_offset |= (tx_offload.l3_len >> 2) <<
- IAVF_TX_DESC_LENGTH_IPLEN_SHIFT;
- } else if (ol_flags & PKT_TX_IPV4) {
- *td_cmd |= IAVF_TX_DESC_CMD_IIPT_IPV4;
- *td_offset |= (tx_offload.l3_len >> 2) <<
- IAVF_TX_DESC_LENGTH_IPLEN_SHIFT;
- } else if (ol_flags & PKT_TX_IPV6) {
- *td_cmd |= IAVF_TX_DESC_CMD_IIPT_IPV6;
- *td_offset |= (tx_offload.l3_len >> 2) <<
- IAVF_TX_DESC_LENGTH_IPLEN_SHIFT;
- }
-
- if (ol_flags & PKT_TX_TCP_SEG) {
- *td_cmd |= IAVF_TX_DESC_CMD_L4T_EOFT_TCP;
- *td_offset |= (tx_offload.l4_len >> 2) <<
+ offset |= (m->l2_len >> 1) << IAVF_TX_DESC_LENGTH_MACLEN_SHIFT;
+
+ /* Enable L3 checksum offloading inner */
+ if (m->ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_IPV4)) {
+ command |= IAVF_TX_DESC_CMD_IIPT_IPV4_CSUM;
+ offset |= (m->l3_len >> 2) << IAVF_TX_DESC_LENGTH_IPLEN_SHIFT;
+ } else if (m->ol_flags & PKT_TX_IPV4) {
+ command |= IAVF_TX_DESC_CMD_IIPT_IPV4;
+ offset |= (m->l3_len >> 2) << IAVF_TX_DESC_LENGTH_IPLEN_SHIFT;
+ } else if (m->ol_flags & PKT_TX_IPV6) {
+ command |= IAVF_TX_DESC_CMD_IIPT_IPV6;
+ offset |= (m->l3_len >> 2) << IAVF_TX_DESC_LENGTH_IPLEN_SHIFT;
+ }
+
+ if (m->ol_flags & PKT_TX_TCP_SEG) {
+ command |= IAVF_TX_DESC_CMD_L4T_EOFT_TCP;
+ offset |= (m->l4_len >> 2) <<
IAVF_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
- return;
}
/* Enable L4 checksum offloads */
- switch (ol_flags & PKT_TX_L4_MASK) {
+ switch (m->ol_flags & PKT_TX_L4_MASK) {
case PKT_TX_TCP_CKSUM:
- *td_cmd |= IAVF_TX_DESC_CMD_L4T_EOFT_TCP;
- *td_offset |= (sizeof(struct rte_tcp_hdr) >> 2) <<
- IAVF_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
+ command |= IAVF_TX_DESC_CMD_L4T_EOFT_TCP;
+ offset |= (sizeof(struct rte_tcp_hdr) >> 2) <<
+ IAVF_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
break;
case PKT_TX_SCTP_CKSUM:
- *td_cmd |= IAVF_TX_DESC_CMD_L4T_EOFT_SCTP;
- *td_offset |= (sizeof(struct rte_sctp_hdr) >> 2) <<
- IAVF_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
+ command |= IAVF_TX_DESC_CMD_L4T_EOFT_SCTP;
+ offset |= (sizeof(struct rte_sctp_hdr) >> 2) <<
+ IAVF_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
break;
case PKT_TX_UDP_CKSUM:
- *td_cmd |= IAVF_TX_DESC_CMD_L4T_EOFT_UDP;
- *td_offset |= (sizeof(struct rte_udp_hdr) >> 2) <<
- IAVF_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
- break;
- default:
+ command |= IAVF_TX_DESC_CMD_L4T_EOFT_UDP;
+ offset |= (sizeof(struct rte_udp_hdr) >> 2) <<
+ IAVF_TX_DESC_LENGTH_L4_FC_LEN_SHIFT;
break;
}
+
+ *qw1 = rte_cpu_to_le_64((((uint64_t)command <<
+ IAVF_TXD_DATA_QW1_CMD_SHIFT) & IAVF_TXD_DATA_QW1_CMD_MASK) |
+ (((uint64_t)offset << IAVF_TXD_DATA_QW1_OFFSET_SHIFT) &
+ IAVF_TXD_DATA_QW1_OFFSET_MASK) |
+ ((uint64_t)l2tag1 << IAVF_TXD_DATA_QW1_L2TAG1_SHIFT));
}
-/* set TSO context descriptor
- * support IP -> L4 and IP -> IP -> L4
- */
-static inline uint64_t
-iavf_set_tso_ctx(struct rte_mbuf *mbuf, union iavf_tx_offload tx_offload)
+static inline void
+iavf_fill_data_desc_buffer_sz_field(volatile uint64_t *field, uint16_t value)
{
- uint64_t ctx_desc = 0;
- uint32_t cd_cmd, hdr_len, cd_tso_len;
-
- if (!tx_offload.l4_len) {
- PMD_TX_LOG(DEBUG, "L4 length set to 0");
- return ctx_desc;
+ *field |= (((uint64_t)value << IAVF_TXD_DATA_QW1_TX_BUF_SZ_SHIFT) &
+ IAVF_TXD_DATA_QW1_TX_BUF_SZ_MASK);
}
- hdr_len = tx_offload.l2_len +
- tx_offload.l3_len +
- tx_offload.l4_len;
+static inline void
+iavf_fill_data_desc(volatile struct iavf_tx_desc *desc,
+ struct rte_mbuf *m, uint64_t desc_template,
+ uint16_t tlen, uint16_t ipseclen)
+{
+ uint32_t hdrlen = m->l2_len;
+ uint32_t bufsz = 0;
+
+ /* fill data descriptor qw1 from template */
+ desc->qw1 = desc_template;
+
+ /* set data buffer address */
+ desc->qw0 = rte_mbuf_data_iova(m);
+
+ /* calculate data buffer size less set header lengths */
+ if (m->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_UDP_SEG)) {
+ if (m->ol_flags & PKT_TX_TUNNEL_MASK)
+ hdrlen += m->outer_l3_len;
+
+ if (m->ol_flags & PKT_TX_L4_MASK)
+ hdrlen += m->l3_len + m->l4_len;
+ else
+ hdrlen += m->l3_len;
- cd_cmd = IAVF_TX_CTX_DESC_TSO;
- cd_tso_len = mbuf->pkt_len - hdr_len;
- ctx_desc |= ((uint64_t)cd_cmd << IAVF_TXD_CTX_QW1_CMD_SHIFT) |
- ((uint64_t)cd_tso_len << IAVF_TXD_CTX_QW1_TSO_LEN_SHIFT) |
- ((uint64_t)mbuf->tso_segsz << IAVF_TXD_CTX_QW1_MSS_SHIFT);
+ if (m->ol_flags & PKT_TX_SEC_OFFLOAD)
+ hdrlen += ipseclen;
- return ctx_desc;
+ bufsz = hdrlen + tlen;
+ } else {
+ bufsz = m->data_len;
}
-/* Construct the tx flags */
-static inline uint64_t
-iavf_build_ctob(uint32_t td_cmd, uint32_t td_offset, unsigned int size,
- uint32_t td_tag)
-{
- return rte_cpu_to_le_64(IAVF_TX_DESC_DTYPE_DATA |
- ((uint64_t)td_cmd << IAVF_TXD_QW1_CMD_SHIFT) |
- ((uint64_t)td_offset <<
- IAVF_TXD_QW1_OFFSET_SHIFT) |
- ((uint64_t)size <<
- IAVF_TXD_QW1_TX_BUF_SZ_SHIFT) |
- ((uint64_t)td_tag <<
- IAVF_TXD_QW1_L2TAG1_SHIFT));
+ /* set data buffer size */
+ desc->qw1 |= (((uint64_t)bufsz << IAVF_TXD_DATA_QW1_TX_BUF_SZ_SHIFT) &
+ IAVF_TXD_DATA_QW1_TX_BUF_SZ_MASK);
+
+ desc->qw0 = rte_cpu_to_le_64(desc->qw0);
+ desc->qw1 = rte_cpu_to_le_64(desc->qw1);
}
+
/* TX function */
uint16_t
iavf_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
{
- volatile struct iavf_tx_desc *txd;
- volatile struct iavf_tx_desc *txr;
- struct iavf_tx_queue *txq;
- struct iavf_tx_entry *sw_ring;
+ struct iavf_tx_queue *txq = tx_queue;
+ volatile struct iavf_tx_desc *txr = txq->tx_ring;
+ struct iavf_tx_entry *txe_ring = txq->sw_ring;
struct iavf_tx_entry *txe, *txn;
- struct rte_mbuf *tx_pkt;
- struct rte_mbuf *m_seg;
- uint16_t tx_id;
- uint16_t nb_tx;
- uint32_t td_cmd;
- uint32_t td_offset;
- uint32_t td_tag;
- uint64_t ol_flags;
- uint16_t nb_used;
- uint16_t nb_ctx;
- uint16_t tx_last;
- uint16_t slen;
- uint64_t buf_dma_addr;
- uint16_t cd_l2tag2 = 0;
- union iavf_tx_offload tx_offload = {0};
-
- txq = tx_queue;
- sw_ring = txq->sw_ring;
- txr = txq->tx_ring;
- tx_id = txq->tx_tail;
- txe = &sw_ring[tx_id];
+ struct rte_mbuf *mb, *mb_seg;
+ uint16_t desc_idx, desc_idx_last;
+ uint16_t idx;
+
/* Check if the descriptor ring needs to be cleaned. */
if (txq->nb_free < txq->free_thresh)
- (void)iavf_xmit_cleanup(txq);
+ iavf_xmit_cleanup(txq);
+
+ desc_idx = txq->tx_tail;
+ txe = &txe_ring[desc_idx];
+
+#ifdef RTE_LIBRTE_IAVF_DEBUG_TX_DESC_RING
+ iavf_dump_tx_entry_ring(txq);
+ iavf_dump_tx_desc_ring(txq);
+#endif
- for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
- td_cmd = 0;
- td_tag = 0;
- td_offset = 0;
- tx_pkt = *tx_pkts++;
+ for (idx = 0; idx < nb_pkts; idx++) {
+ volatile struct iavf_tx_desc *ddesc;
+ uint16_t nb_desc_ctx;
+ uint16_t nb_desc_data, nb_desc_required;
+ uint16_t tlen = 0, ipseclen = 0;
+ uint64_t ddesc_template = 0;
+ uint64_t ddesc_cmd = 0;
+
+ mb = tx_pkts[idx];
+
RTE_MBUF_PREFETCH_TO_FREE(txe->mbuf);
- ol_flags = tx_pkt->ol_flags;
- tx_offload.l2_len = tx_pkt->l2_len;
- tx_offload.l3_len = tx_pkt->l3_len;
- tx_offload.l4_len = tx_pkt->l4_len;
- tx_offload.tso_segsz = tx_pkt->tso_segsz;
- /* Calculate the number of context descriptors needed. */
- nb_ctx = iavf_calc_context_desc(ol_flags, txq->vlan_flag);
+ nb_desc_data = mb->nb_segs;
+ nb_desc_ctx = !!(mb->ol_flags &
+ (PKT_TX_TCP_SEG | PKT_TX_UDP_SEG | PKT_TX_TUNNEL_MASK));
- /* The number of descriptors that must be allocated for
+ /**
+ * The number of descriptors that must be allocated for
* a packet equals to the number of the segments of that
- * packet plus 1 context descriptor if needed.
+ * packet plus the context and ipsec descriptors if needed.
*/
- nb_used = (uint16_t)(tx_pkt->nb_segs + nb_ctx);
- tx_last = (uint16_t)(tx_id + nb_used - 1);
+ nb_desc_required = nb_desc_data + nb_desc_ctx;
+
+ desc_idx_last = (uint16_t)(desc_idx + nb_desc_required - 1);
- /* Circular ring */
- if (tx_last >= txq->nb_tx_desc)
- tx_last = (uint16_t)(tx_last - txq->nb_tx_desc);
+ /* wrap descriptor ring */
+ if (desc_idx_last >= txq->nb_tx_desc)
+ desc_idx_last =
+ (uint16_t)(desc_idx_last - txq->nb_tx_desc);
- PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u"
- " tx_first=%u tx_last=%u",
- txq->port_id, txq->queue_id, tx_id, tx_last);
+ PMD_TX_LOG(DEBUG,
+ "port_id=%u queue_id=%u tx_first=%u tx_last=%u",
+ txq->port_id, txq->queue_id, desc_idx, desc_idx_last);
- if (nb_used > txq->nb_free) {
+ if (nb_desc_required > txq->nb_free) {
if (iavf_xmit_cleanup(txq)) {
- if (nb_tx == 0)
+ if (idx == 0)
return 0;
goto end_of_tx;
}
- if (unlikely(nb_used > txq->rs_thresh)) {
- while (nb_used > txq->nb_free) {
+ if (unlikely(nb_desc_required > txq->rs_thresh)) {
+ while (nb_desc_required > txq->nb_free) {
if (iavf_xmit_cleanup(txq)) {
- if (nb_tx == 0)
+ if (idx == 0)
return 0;
goto end_of_tx;
}
@@ -2253,122 +2363,94 @@ iavf_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
}
}
- /* Descriptor based VLAN insertion */
- if (ol_flags & PKT_TX_VLAN_PKT &&
- txq->vlan_flag & IAVF_TX_FLAGS_VLAN_TAG_LOC_L2TAG1) {
- td_cmd |= IAVF_TX_DESC_CMD_IL2TAG1;
- td_tag = tx_pkt->vlan_tci;
- }
-
- /* According to datasheet, the bit2 is reserved and must be
- * set to 1.
- */
- td_cmd |= 0x04;
-
- /* Enable checksum offloading */
- if (ol_flags & IAVF_TX_CKSUM_OFFLOAD_MASK)
- iavf_txd_enable_checksum(ol_flags, &td_cmd,
- &td_offset, tx_offload);
+ iavf_build_data_desc_cmd_offset_fields(&ddesc_template, mb);
- if (nb_ctx) {
/* Setup TX context descriptor if required */
- uint64_t cd_type_cmd_tso_mss =
- IAVF_TX_DESC_DTYPE_CONTEXT;
- volatile struct iavf_tx_context_desc *ctx_txd =
+ if (nb_desc_ctx) {
+ volatile struct iavf_tx_context_desc *ctx_desc =
(volatile struct iavf_tx_context_desc *)
- &txr[tx_id];
+ &txr[desc_idx];
/* clear QW0 or the previous writeback value
* may impact next write
*/
- *(volatile uint64_t *)ctx_txd = 0;
+ *(volatile uint64_t *)ctx_desc = 0;
- txn = &sw_ring[txe->next_id];
+ txn = &txe_ring[txe->next_id];
RTE_MBUF_PREFETCH_TO_FREE(txn->mbuf);
+
if (txe->mbuf) {
rte_pktmbuf_free_seg(txe->mbuf);
txe->mbuf = NULL;
}
- /* TSO enabled */
- if (ol_flags & PKT_TX_TCP_SEG)
- cd_type_cmd_tso_mss |=
- iavf_set_tso_ctx(tx_pkt, tx_offload);
+ iavf_fill_context_desc(ctx_desc, mb, &tlen);
+ IAVF_DUMP_TX_DESC(txq, ctx_desc, desc_idx);
- if (ol_flags & PKT_TX_VLAN_PKT &&
- txq->vlan_flag & IAVF_TX_FLAGS_VLAN_TAG_LOC_L2TAG2) {
- cd_type_cmd_tso_mss |= IAVF_TX_CTX_DESC_IL2TAG2
- << IAVF_TXD_CTX_QW1_CMD_SHIFT;
- cd_l2tag2 = tx_pkt->vlan_tci;
+ txe->last_id = desc_idx_last;
+ desc_idx = txe->next_id;
+ txe = txn;
}
- ctx_txd->type_cmd_tso_mss =
- rte_cpu_to_le_64(cd_type_cmd_tso_mss);
- ctx_txd->l2tag2 = rte_cpu_to_le_16(cd_l2tag2);
- IAVF_DUMP_TX_DESC(txq, &txr[tx_id], tx_id);
- txe->last_id = tx_last;
- tx_id = txe->next_id;
- txe = txn;
- }
+
+ mb_seg = mb;
- m_seg = tx_pkt;
do {
- txd = &txr[tx_id];
- txn = &sw_ring[txe->next_id];
+ ddesc = (volatile struct iavf_tx_desc *)
+ &txr[desc_idx];
+
+ txn = &txe_ring[txe->next_id];
+ RTE_MBUF_PREFETCH_TO_FREE(txn->mbuf);
if (txe->mbuf)
rte_pktmbuf_free_seg(txe->mbuf);
- txe->mbuf = m_seg;
-
- /* Setup TX Descriptor */
- slen = m_seg->data_len;
- buf_dma_addr = rte_mbuf_data_iova(m_seg);
- txd->buffer_addr = rte_cpu_to_le_64(buf_dma_addr);
- txd->cmd_type_offset_bsz = iavf_build_ctob(td_cmd,
- td_offset,
- slen,
- td_tag);
-
- IAVF_DUMP_TX_DESC(txq, txd, tx_id);
- txe->last_id = tx_last;
- tx_id = txe->next_id;
+
+ txe->mbuf = mb_seg;
+ iavf_fill_data_desc(ddesc, mb_seg,
+ ddesc_template, tlen, ipseclen);
+
+ IAVF_DUMP_TX_DESC(txq, ddesc, desc_idx);
+
+ txe->last_id = desc_idx_last;
+ desc_idx = txe->next_id;
txe = txn;
- m_seg = m_seg->next;
- } while (m_seg);
+ mb_seg = mb_seg->next;
+ } while (mb_seg);
/* The last packet data descriptor needs End Of Packet (EOP) */
- td_cmd |= IAVF_TX_DESC_CMD_EOP;
- txq->nb_used = (uint16_t)(txq->nb_used + nb_used);
- txq->nb_free = (uint16_t)(txq->nb_free - nb_used);
+ ddesc_cmd = IAVF_TX_DESC_CMD_EOP;
+
+ txq->nb_used = (uint16_t)(txq->nb_used + nb_desc_required);
+ txq->nb_free = (uint16_t)(txq->nb_free - nb_desc_required);
if (txq->nb_used >= txq->rs_thresh) {
PMD_TX_LOG(DEBUG, "Setting RS bit on TXD id="
"%4u (port=%d queue=%d)",
- tx_last, txq->port_id, txq->queue_id);
+ desc_idx_last, txq->port_id, txq->queue_id);
- td_cmd |= IAVF_TX_DESC_CMD_RS;
+ ddesc_cmd |= IAVF_TX_DESC_CMD_RS;
/* Update txq RS bit counters */
txq->nb_used = 0;
}
- txd->cmd_type_offset_bsz |=
- rte_cpu_to_le_64(((uint64_t)td_cmd) <<
- IAVF_TXD_QW1_CMD_SHIFT);
- IAVF_DUMP_TX_DESC(txq, txd, tx_id);
+ ddesc->qw1 |= rte_cpu_to_le_64(ddesc_cmd <<
+ IAVF_TXD_DATA_QW1_CMD_SHIFT);
+
+ IAVF_DUMP_TX_DESC(txq, ddesc, desc_idx - 1);
}
end_of_tx:
rte_wmb();
PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u tx_tail=%u nb_tx=%u",
- txq->port_id, txq->queue_id, tx_id, nb_tx);
+ txq->port_id, txq->queue_id, desc_idx, idx);
- IAVF_PCI_REG_WC_WRITE_RELAXED(txq->qtx_tail, tx_id);
- txq->tx_tail = tx_id;
+ IAVF_PCI_REG_WRITE_RELAXED(txq->qtx_tail, desc_idx);
+ txq->tx_tail = desc_idx;
- return nb_tx;
+ return idx;
}
/* Check if the packet with vlan user priority is transmitted in the
@@ -2869,7 +2951,7 @@ iavf_dev_tx_desc_status(void *tx_queue, uint16_t offset)
desc -= txq->nb_tx_desc;
}
- status = &txq->tx_ring[desc].cmd_type_offset_bsz;
+ status = &txq->tx_ring[desc].qw1;
mask = rte_le_to_cpu_64(IAVF_TXD_QW1_DTYPE_MASK);
expect = rte_cpu_to_le_64(
IAVF_TX_DESC_DTYPE_DESC_DONE << IAVF_TXD_QW1_DTYPE_SHIFT);
@@ -555,9 +555,9 @@ void iavf_dump_tx_descriptor(const struct iavf_tx_queue *txq,
const volatile struct iavf_tx_desc *tx_desc = desc;
enum iavf_tx_desc_dtype_value type;
- type = (enum iavf_tx_desc_dtype_value)rte_le_to_cpu_64(
- tx_desc->cmd_type_offset_bsz &
- rte_cpu_to_le_64(IAVF_TXD_QW1_DTYPE_MASK));
+
+ type = (enum iavf_tx_desc_dtype_value)rte_le_to_cpu_64(tx_desc->qw1 &
+ rte_cpu_to_le_64(IAVF_TXD_DATA_QW1_DTYPE_MASK));
switch (type) {
case IAVF_TX_DESC_DTYPE_DATA:
name = "Tx_data_desc";
@@ -571,8 +571,7 @@ void iavf_dump_tx_descriptor(const struct iavf_tx_queue *txq,
}
printf("Queue %d %s %d: QW0: 0x%016"PRIx64" QW1: 0x%016"PRIx64"\n",
- txq->queue_id, name, tx_id, tx_desc->buffer_addr,
- tx_desc->cmd_type_offset_bsz);
+ txq->queue_id, name, tx_id, tx_desc->qw0, tx_desc->qw1);
}
#define FDIR_PROC_ENABLE_PER_QUEUE(ad, on) do { \
@@ -363,10 +363,12 @@ static inline void
flex_desc_to_ptype_v(__m128i descs[4], struct rte_mbuf **rx_pkts,
const uint32_t *type_table)
{
- const __m128i ptype_mask = _mm_set_epi16(0, IAVF_RX_FLEX_DESC_PTYPE_M,
- 0, IAVF_RX_FLEX_DESC_PTYPE_M,
- 0, IAVF_RX_FLEX_DESC_PTYPE_M,
- 0, IAVF_RX_FLEX_DESC_PTYPE_M);
+ const __m128i ptype_mask = _mm_set_epi16(
+ IAVF_RX_FLEX_DESC_PTYPE_M, 0x0,
+ IAVF_RX_FLEX_DESC_PTYPE_M, 0x0,
+ IAVF_RX_FLEX_DESC_PTYPE_M, 0x0,
+ IAVF_RX_FLEX_DESC_PTYPE_M, 0x0);
+
__m128i ptype_01 = _mm_unpacklo_epi32(descs[0], descs[1]);
__m128i ptype_23 = _mm_unpacklo_epi32(descs[2], descs[3]);
__m128i ptype_all = _mm_unpacklo_epi64(ptype_01, ptype_23);