Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
---
doc/guides/nics/features/ice_vec.ini | 2 +
drivers/net/ice/ice_rxtx.c | 17 +++++
drivers/net/ice/ice_rxtx.h | 4 +
drivers/net/ice/ice_rxtx_vec_common.h | 133 +++++++++++++++++++++++++++++++++
drivers/net/ice/ice_rxtx_vec_sse.c | 135 ++++++++++++++++++++++++++++++++++
5 files changed, 291 insertions(+)
diff --git a/doc/guides/nics/features/ice_vec.ini
b/doc/guides/nics/features/ice_vec.ini
index 1a19788..173c8f2 100644
--- a/doc/guides/nics/features/ice_vec.ini
+++ b/doc/guides/nics/features/ice_vec.ini
@@ -12,6 +12,7 @@ Queue start/stop = Y
MTU update = Y
Jumbo frame = Y
Scattered Rx = Y
+TSO = Y
Promiscuous mode = Y
Allmulticast mode = Y
Unicast MAC filter = Y
@@ -22,6 +23,7 @@ RSS reta update = Y
VLAN filter = Y
Packet type parsing = Y
Rx descriptor status = Y
+Tx descriptor status = Y
Basic stats = Y
Extended stats = Y
FW version = Y
diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index 55c8131..b6c9618 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -2332,6 +2332,23 @@ void __attribute__((cold))
{
struct ice_adapter *ad =
ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+#ifdef RTE_LIBRTE_ICE_INC_VECTOR
+ struct ice_tx_queue *txq;
+ int i;
+
+ if (!ice_tx_vec_dev_check(dev)) {
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ txq = dev->data->tx_queues[i];
+ (void)ice_txq_vec_setup(txq);
+ }
+ PMD_DRV_LOG(DEBUG, "Using Vector Tx (port %d).",
+ dev->data->port_id);
+ dev->tx_pkt_burst = ice_xmit_pkts_vec;
+ dev->tx_pkt_prepare = NULL;
+
+ return;
+ }
+#endif
if (ad->tx_simple_allowed) {
PMD_INIT_LOG(DEBUG, "Simple tx finally be used.");
diff --git a/drivers/net/ice/ice_rxtx.h b/drivers/net/ice/ice_rxtx.h
index aab4a3a..02bb57e 100644
--- a/drivers/net/ice/ice_rxtx.h
+++ b/drivers/net/ice/ice_rxtx.h
@@ -173,10 +173,14 @@ void ice_txq_info_get(struct rte_eth_dev *dev, uint16_t
queue_id,
#ifdef RTE_LIBRTE_ICE_INC_VECTOR
int ice_rx_vec_dev_check(struct rte_eth_dev *dev);
+int ice_tx_vec_dev_check(struct rte_eth_dev *dev);
int ice_rxq_vec_setup(struct ice_rx_queue *rxq);
+int ice_txq_vec_setup(struct ice_tx_queue *txq);
uint16_t ice_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
uint16_t ice_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
+uint16_t ice_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
#endif
#endif /* _ICE_RXTX_H_ */
diff --git a/drivers/net/ice/ice_rxtx_vec_common.h
b/drivers/net/ice/ice_rxtx_vec_common.h
index 73837f7..8796ecb 100644
--- a/drivers/net/ice/ice_rxtx_vec_common.h
+++ b/drivers/net/ice/ice_rxtx_vec_common.h
@@ -71,6 +71,73 @@
return pkt_idx;
}
+static __rte_always_inline int
+ice_tx_free_bufs(struct ice_tx_queue *txq)
+{
+ struct ice_tx_entry *txep;
+ uint32_t n;
+ uint32_t i;
+ int nb_free = 0;
+ struct rte_mbuf *m, *free[ICE_TX_MAX_FREE_BUF_SZ];
+
+ /* check DD bits on threshold descriptor */
+ if ((txq->tx_ring[txq->tx_next_dd].cmd_type_offset_bsz &
+ rte_cpu_to_le_64(ICE_TXD_QW1_DTYPE_M)) !=
+ rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE))
+ return 0;
+
+ n = txq->tx_rs_thresh;
+
+ /* first buffer to free from S/W ring is at index
+ * tx_next_dd - (tx_rs_thresh-1)
+ */
+ txep = &txq->sw_ring[txq->tx_next_dd - (n - 1)];
+ m = rte_pktmbuf_prefree_seg(txep[0].mbuf);
+ if (likely(m)) {
+ free[0] = m;
+ nb_free = 1;
+ for (i = 1; i < n; i++) {
+ m = rte_pktmbuf_prefree_seg(txep[i].mbuf);
+ if (likely(m)) {
+ if (likely(m->pool == free[0]->pool)) {
+ free[nb_free++] = m;
+ } else {
+ rte_mempool_put_bulk(free[0]->pool,
+ (void *)free,
+ nb_free);
+ free[0] = m;
+ nb_free = 1;
+ }
+ }
+ }
+ rte_mempool_put_bulk(free[0]->pool, (void **)free, nb_free);
+ } else {
+ for (i = 1; i < n; i++) {
+ m = rte_pktmbuf_prefree_seg(txep[i].mbuf);
+ if (m)
+ rte_mempool_put(m->pool, m);
+ }
+ }
+
+ /* buffers were freed, update counters */
+ txq->nb_tx_free = (uint16_t)(txq->nb_tx_free + txq->tx_rs_thresh);
+ txq->tx_next_dd = (uint16_t)(txq->tx_next_dd + txq->tx_rs_thresh);
+ if (txq->tx_next_dd >= txq->nb_tx_desc)
+ txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1);
+
+ return txq->tx_rs_thresh;
+}
+
+static __rte_always_inline void
+tx_backlog_entry(struct ice_tx_entry *txep,
+ struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+ int i;
+
+ for (i = 0; i < (int)nb_pkts; ++i)
+ txep[i].mbuf = tx_pkts[i];
+}
+
static inline void
_ice_rx_queue_release_mbufs_vec(struct ice_rx_queue *rxq)
{
@@ -101,6 +168,34 @@
memset(rxq->sw_ring, 0, sizeof(rxq->sw_ring[0]) * rxq->nb_rx_desc);
}
+static inline void
+_ice_tx_queue_release_mbufs_vec(struct ice_tx_queue *txq)
+{
+ uint16_t i;
+
+ if (!txq || !txq->sw_ring) {
+ PMD_DRV_LOG(DEBUG, "Pointer to rxq or sw_ring is NULL");
+ return;
+ }
+
+ /**
+ * vPMD tx will not set sw_ring's mbuf to NULL after free,
+ * so need to free remains more carefully.
+ */
+ i = txq->tx_next_dd - txq->tx_rs_thresh + 1;
+ if (txq->tx_tail < i) {
+ for (; i < txq->nb_tx_desc; i++) {
+ rte_pktmbuf_free_seg(txq->sw_ring[i].mbuf);
+ txq->sw_ring[i].mbuf = NULL;
+ }
+ i = 0;
+ }
+ for (; i < txq->tx_tail; i++) {
+ rte_pktmbuf_free_seg(txq->sw_ring[i].mbuf);
+ txq->sw_ring[i].mbuf = NULL;
+ }
+}
+
static inline int
ice_rxq_vec_setup_default(struct ice_rx_queue *rxq)
{
@@ -137,6 +232,29 @@
return 0;
}
+#define ICE_NO_VECTOR_FLAGS ( \
+ DEV_TX_OFFLOAD_MULTI_SEGS | \
+ DEV_TX_OFFLOAD_VLAN_INSERT | \
+ DEV_TX_OFFLOAD_SCTP_CKSUM | \
+ DEV_TX_OFFLOAD_UDP_CKSUM | \
+ DEV_TX_OFFLOAD_TCP_CKSUM)
+
+static inline int
+ice_tx_vec_queue_default(struct ice_tx_queue *txq)
+{
+ if (!txq)
+ return -1;
+
+ if (txq->offloads & ICE_NO_VECTOR_FLAGS)
+ return -1;
+
+ if (txq->tx_rs_thresh < ICE_VPMD_TX_BURST ||
+ txq->tx_rs_thresh > ICE_TX_MAX_FREE_BUF_SZ)
+ return -1;
+
+ return 0;
+}
+
static inline int
ice_rx_vec_dev_check_default(struct rte_eth_dev *dev)
{
@@ -152,4 +270,19 @@
return 0;
}
+static inline int
+ice_tx_vec_dev_check_default(struct rte_eth_dev *dev)
+{
+ int i;
+ struct ice_tx_queue *txq;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ txq = dev->data->tx_queues[i];
+ if (ice_tx_vec_queue_default(txq))
+ return -1;
+ }
+
+ return 0;
+}
+
#endif
diff --git a/drivers/net/ice/ice_rxtx_vec_sse.c
b/drivers/net/ice/ice_rxtx_vec_sse.c
index 789cf07..6babb8d 100644
--- a/drivers/net/ice/ice_rxtx_vec_sse.c
+++ b/drivers/net/ice/ice_rxtx_vec_sse.c
@@ -505,12 +505,131 @@
&split_flags[i]);
}
+static inline void
+ice_vtx1(volatile struct ice_tx_desc *txdp, struct rte_mbuf *pkt,
+ uint64_t flags)
+{
+ uint64_t high_qw =
+ (ICE_TX_DESC_DTYPE_DATA |
+ ((uint64_t)flags << ICE_TXD_QW1_CMD_S) |
+ ((uint64_t)pkt->data_len << ICE_TXD_QW1_TX_BUF_SZ_S));
+
+ __m128i descriptor = _mm_set_epi64x(high_qw,
+ pkt->buf_iova + pkt->data_off);
+ _mm_store_si128((__m128i *)txdp, descriptor);
+}
+
+static inline void
+ice_vtx(volatile struct ice_tx_desc *txdp, struct rte_mbuf **pkt,
+ uint16_t nb_pkts, uint64_t flags)
+{
+ int i;
+
+ for (i = 0; i < nb_pkts; ++i, ++txdp, ++pkt)
+ ice_vtx1(txdp, *pkt, flags);
+}
+
+static uint16_t
+ice_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ struct ice_tx_queue *txq = (struct ice_tx_queue *)tx_queue;
+ volatile struct ice_tx_desc *txdp;
+ struct ice_tx_entry *txep;
+ uint16_t n, nb_commit, tx_id;
+ uint64_t flags = ICE_TD_CMD;
+ uint64_t rs = ICE_TX_DESC_CMD_RS | ICE_TD_CMD;
+ int i;
+
+ /* cross rx_thresh boundary is not allowed */
+ nb_pkts = RTE_MIN(nb_pkts, txq->tx_rs_thresh);
+
+ if (txq->nb_tx_free < txq->tx_free_thresh)
+ ice_tx_free_bufs(txq);
+
+ nb_pkts = (uint16_t)RTE_MIN(txq->nb_tx_free, nb_pkts);
+ nb_commit = nb_pkts;
+ if (unlikely(nb_pkts == 0))
+ return 0;
+
+ tx_id = txq->tx_tail;
+ txdp = &txq->tx_ring[tx_id];
+ txep = &txq->sw_ring[tx_id];
+
+ txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_pkts);
+
+ n = (uint16_t)(txq->nb_tx_desc - tx_id);
+ if (nb_commit >= n) {
+ tx_backlog_entry(txep, tx_pkts, n);
+
+ for (i = 0; i < n - 1; ++i, ++tx_pkts, ++txdp)
+ ice_vtx1(txdp, *tx_pkts, flags);
+
+ ice_vtx1(txdp, *tx_pkts++, rs);
+
+ nb_commit = (uint16_t)(nb_commit - n);
+
+ tx_id = 0;
+ txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
+
+ /* avoid reach the end of ring */
+ txdp = &txq->tx_ring[tx_id];
+ txep = &txq->sw_ring[tx_id];
+ }
+
+ tx_backlog_entry(txep, tx_pkts, nb_commit);
+
+ ice_vtx(txdp, tx_pkts, nb_commit, flags);
+
+ tx_id = (uint16_t)(tx_id + nb_commit);
+ if (tx_id > txq->tx_next_rs) {
+ txq->tx_ring[txq->tx_next_rs].cmd_type_offset_bsz |=
+ rte_cpu_to_le_64(((uint64_t)ICE_TX_DESC_CMD_RS) <<
+ ICE_TXD_QW1_CMD_S);
+ txq->tx_next_rs =
+ (uint16_t)(txq->tx_next_rs + txq->tx_rs_thresh);
+ }
+
+ txq->tx_tail = tx_id;
+
+ ICE_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail);
+
+ return nb_pkts;
+}
+
+uint16_t
+ice_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ uint16_t nb_tx = 0;
+ struct ice_tx_queue *txq = (struct ice_tx_queue *)tx_queue;
+
+ while (nb_pkts) {
+ uint16_t ret, num;
+
+ num = (uint16_t)RTE_MIN(nb_pkts, txq->tx_rs_thresh);
+ ret = ice_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx], num);
+ nb_tx += ret;
+ nb_pkts -= ret;
+ if (ret < num)
+ break;
+ }
+
+ return nb_tx;
+}
+
static void __attribute__((cold))
ice_rx_queue_release_mbufs_vec(struct ice_rx_queue *rxq)
{
_ice_rx_queue_release_mbufs_vec(rxq);
}
+static void __attribute__((cold))
+ice_tx_queue_release_mbufs_vec(struct ice_tx_queue *txq)
+{
+ _ice_tx_queue_release_mbufs_vec(txq);
+}
+
int __attribute__((cold))
ice_rxq_vec_setup(struct ice_rx_queue *rxq)
{
@@ -522,7 +641,23 @@ int __attribute__((cold))
}
int __attribute__((cold))
+ice_txq_vec_setup(struct ice_tx_queue __rte_unused *txq)
+{
+ if (!txq)
+ return -1;
+
+ txq->tx_rel_mbufs = ice_tx_queue_release_mbufs_vec;
+ return 0;
+}
+
+int __attribute__((cold))
ice_rx_vec_dev_check(struct rte_eth_dev *dev)
{
return ice_rx_vec_dev_check_default(dev);
}
+
+int __attribute__((cold))
+ice_tx_vec_dev_check(struct rte_eth_dev *dev)
+{
+ return ice_tx_vec_dev_check_default(dev);
+}
--
1.9.3
