#include "ixgbe_ethdev.h"
#include "ixgbe_rxtx.h"
+#include "ixgbe_rxtx_vec_common.h"
#include <tmmintrin.h>
return _recv_raw_pkts_vec(rx_queue, rx_pkts, nb_pkts, NULL);
}
-static inline uint16_t
-reassemble_packets(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_bufs,
- uint16_t nb_bufs, uint8_t *split_flags)
-{
- struct rte_mbuf *pkts[nb_bufs]; /*finished pkts*/
- struct rte_mbuf *start = rxq->pkt_first_seg;
- struct rte_mbuf *end = rxq->pkt_last_seg;
- unsigned int pkt_idx, buf_idx;
-
- for (buf_idx = 0, pkt_idx = 0; buf_idx < nb_bufs; buf_idx++) {
- if (end != NULL) {
- /* processing a split packet */
- end->next = rx_bufs[buf_idx];
- rx_bufs[buf_idx]->data_len += rxq->crc_len;
-
- start->nb_segs++;
- start->pkt_len += rx_bufs[buf_idx]->data_len;
- end = end->next;
-
- if (!split_flags[buf_idx]) {
- /* it's the last packet of the set */
- start->hash = end->hash;
- start->ol_flags = end->ol_flags;
- /* we need to strip crc for the whole packet */
- start->pkt_len -= rxq->crc_len;
- if (end->data_len > rxq->crc_len)
- end->data_len -= rxq->crc_len;
- else {
- /* free up last mbuf */
- struct rte_mbuf *secondlast = start;
-
- start->nb_segs--;
- while (secondlast->next != end)
- secondlast = secondlast->next;
- secondlast->data_len -= (rxq->crc_len -
- end->data_len);
- secondlast->next = NULL;
- rte_pktmbuf_free_seg(end);
- end = secondlast;
- }
- pkts[pkt_idx++] = start;
- start = end = NULL;
- }
- } else {
- /* not processing a split packet */
- if (!split_flags[buf_idx]) {
- /* not a split packet, save and skip */
- pkts[pkt_idx++] = rx_bufs[buf_idx];
- continue;
- }
- end = start = rx_bufs[buf_idx];
- rx_bufs[buf_idx]->data_len += rxq->crc_len;
- rx_bufs[buf_idx]->pkt_len += rxq->crc_len;
- }
- }
-
- /* save the partial packet for next time */
- rxq->pkt_first_seg = start;
- rxq->pkt_last_seg = end;
- memcpy(rx_bufs, pkts, pkt_idx * (sizeof(*pkts)));
- return pkt_idx;
-}
-
/*
* vPMD receive routine that reassembles scattered packets
*
vtx1(txdp, *pkt, flags);
}
-static inline int __attribute__((always_inline))
-ixgbe_tx_free_bufs(struct ixgbe_tx_queue *txq)
-{
- struct ixgbe_tx_entry_v *txep;
- uint32_t status;
- uint32_t n;
- uint32_t i;
- int nb_free = 0;
- struct rte_mbuf *m, *free[RTE_IXGBE_TX_MAX_FREE_BUF_SZ];
-
- /* check DD bit on threshold descriptor */
- status = txq->tx_ring[txq->tx_next_dd].wb.status;
- if (!(status & IXGBE_ADVTXD_STAT_DD))
- 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_v[txq->tx_next_dd - (n - 1)];
- m = __rte_pktmbuf_prefree_seg(txep[0].mbuf);
- if (likely(m != NULL)) {
- free[0] = m;
- nb_free = 1;
- for (i = 1; i < n; i++) {
- m = __rte_pktmbuf_prefree_seg(txep[i].mbuf);
- if (likely(m != NULL)) {
- 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 != NULL)
- 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 inline void __attribute__((always_inline))
-tx_backlog_entry(struct ixgbe_tx_entry_v *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];
-}
-
uint16_t
ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
static void __attribute__((cold))
ixgbe_tx_queue_release_mbufs_vec(struct ixgbe_tx_queue *txq)
{
- unsigned int i;
- struct ixgbe_tx_entry_v *txe;
- const uint16_t max_desc = (uint16_t)(txq->nb_tx_desc - 1);
-
- if (txq->sw_ring == NULL || txq->nb_tx_free == max_desc)
- return;
-
- /* release the used mbufs in sw_ring */
- for (i = txq->tx_next_dd - (txq->tx_rs_thresh - 1);
- i != txq->tx_tail;
- i = (i + 1) & max_desc) {
- txe = &txq->sw_ring_v[i];
- rte_pktmbuf_free_seg(txe->mbuf);
- }
- txq->nb_tx_free = max_desc;
-
- /* reset tx_entry */
- for (i = 0; i < txq->nb_tx_desc; i++) {
- txe = &txq->sw_ring_v[i];
- txe->mbuf = NULL;
- }
+ _ixgbe_tx_queue_release_mbufs_vec(txq);
}
void __attribute__((cold))
ixgbe_rx_queue_release_mbufs_vec(struct ixgbe_rx_queue *rxq)
{
- const unsigned int mask = rxq->nb_rx_desc - 1;
- unsigned int i;
-
- if (rxq->sw_ring == NULL || rxq->rxrearm_nb >= rxq->nb_rx_desc)
- return;
-
- /* free all mbufs that are valid in the ring */
- for (i = rxq->rx_tail; i != rxq->rxrearm_start; i = (i + 1) & mask)
- rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
- rxq->rxrearm_nb = rxq->nb_rx_desc;
-
- /* set all entries to NULL */
- memset(rxq->sw_ring, 0, sizeof(rxq->sw_ring[0]) * rxq->nb_rx_desc);
+ _ixgbe_rx_queue_release_mbufs_vec(rxq);
}
static void __attribute__((cold))
ixgbe_tx_free_swring(struct ixgbe_tx_queue *txq)
{
- if (txq == NULL)
- return;
-
- if (txq->sw_ring != NULL) {
- rte_free(txq->sw_ring_v - 1);
- txq->sw_ring_v = NULL;
- }
+ _ixgbe_tx_free_swring_vec(txq);
}
static void __attribute__((cold))
ixgbe_reset_tx_queue(struct ixgbe_tx_queue *txq)
{
- static const union ixgbe_adv_tx_desc zeroed_desc = { { 0 } };
- struct ixgbe_tx_entry_v *txe = txq->sw_ring_v;
- uint16_t i;
-
- /* Zero out HW ring memory */
- for (i = 0; i < txq->nb_tx_desc; i++)
- txq->tx_ring[i] = zeroed_desc;
-
- /* Initialize SW ring entries */
- for (i = 0; i < txq->nb_tx_desc; i++) {
- volatile union ixgbe_adv_tx_desc *txd = &txq->tx_ring[i];
-
- txd->wb.status = IXGBE_TXD_STAT_DD;
- txe[i].mbuf = NULL;
- }
-
- txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1);
- txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
-
- txq->tx_tail = 0;
- txq->nb_tx_used = 0;
- /*
- * Always allow 1 descriptor to be un-allocated to avoid
- * a H/W race condition
- */
- txq->last_desc_cleaned = (uint16_t)(txq->nb_tx_desc - 1);
- txq->nb_tx_free = (uint16_t)(txq->nb_tx_desc - 1);
- txq->ctx_curr = 0;
- memset((void *)&txq->ctx_cache, 0,
- IXGBE_CTX_NUM * sizeof(struct ixgbe_advctx_info));
+ _ixgbe_reset_tx_queue_vec(txq);
}
static const struct ixgbe_txq_ops vec_txq_ops = {
int __attribute__((cold))
ixgbe_rxq_vec_setup(struct ixgbe_rx_queue *rxq)
{
- uintptr_t p;
- struct rte_mbuf mb_def = { .buf_addr = 0 }; /* zeroed mbuf */
-
- mb_def.nb_segs = 1;
- mb_def.data_off = RTE_PKTMBUF_HEADROOM;
- mb_def.port = rxq->port_id;
- rte_mbuf_refcnt_set(&mb_def, 1);
-
- /* prevent compiler reordering: rearm_data covers previous fields */
- rte_compiler_barrier();
- p = (uintptr_t)&mb_def.rearm_data;
- rxq->mbuf_initializer = *(uint64_t *)p;
- return 0;
+ return ixgbe_rxq_vec_setup_default(rxq);
}
int __attribute__((cold))
ixgbe_txq_vec_setup(struct ixgbe_tx_queue *txq)
{
- if (txq->sw_ring_v == NULL)
- return -1;
-
- /* leave the first one for overflow */
- txq->sw_ring_v = txq->sw_ring_v + 1;
- txq->ops = &vec_txq_ops;
-
- return 0;
+ return ixgbe_txq_vec_setup_default(txq, &vec_txq_ops);
}
int __attribute__((cold))
ixgbe_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev)
{
-#ifndef RTE_LIBRTE_IEEE1588
- struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
- struct rte_fdir_conf *fconf = &dev->data->dev_conf.fdir_conf;
-
-#ifndef RTE_IXGBE_RX_OLFLAGS_ENABLE
- /* whithout rx ol_flags, no VP flag report */
- if (rxmode->hw_vlan_strip != 0 ||
- rxmode->hw_vlan_extend != 0)
- return -1;
-#endif
-
- /* no fdir support */
- if (fconf->mode != RTE_FDIR_MODE_NONE)
- return -1;
-
- /*
- * - no csum error report support
- * - no header split support
- */
- if (rxmode->hw_ip_checksum == 1 ||
- rxmode->header_split == 1)
- return -1;
-
- return 0;
-#else
- RTE_SET_USED(dev);
- return -1;
-#endif
+ return ixgbe_rx_vec_dev_conf_condition_check_default(dev);
}
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