#include "base/i40e_type.h"
#include "i40e_ethdev.h"
#include "i40e_rxtx.h"
+#include "i40e_rxtx_vec_common.h"
#include <tmmintrin.h>
static inline void
desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts)
{
- __m128i vlan0, vlan1, rss;
- union {
- uint16_t e[4];
- uint64_t dword;
- } vol;
+ __m128i vlan0, vlan1, rss, l3_l4e;
/* mask everything except RSS, flow director and VLAN flags
* bit2 is for VLAN tag, bit11 for flow director indication
* bit13:12 for RSS indication.
*/
- const __m128i rss_vlan_msk = _mm_set_epi16(
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x3804, 0x3804, 0x3804, 0x3804);
+ const __m128i rss_vlan_msk = _mm_set_epi32(
+ 0x1c03804, 0x1c03804, 0x1c03804, 0x1c03804);
/* map rss and vlan type to rss hash and vlan flag */
const __m128i vlan_flags = _mm_set_epi8(0, 0, 0, 0,
PKT_RX_RSS_HASH | PKT_RX_FDIR, PKT_RX_RSS_HASH, 0, 0,
0, 0, PKT_RX_FDIR, 0);
- vlan0 = _mm_unpackhi_epi16(descs[0], descs[1]);
- vlan1 = _mm_unpackhi_epi16(descs[2], descs[3]);
- vlan0 = _mm_unpacklo_epi32(vlan0, vlan1);
+ const __m128i l3_l4e_flags = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0,
+ PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD,
+ PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
+ PKT_RX_EIP_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD,
+ PKT_RX_EIP_CKSUM_BAD,
+ PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD,
+ PKT_RX_L4_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_BAD,
+ 0);
+
+ vlan0 = _mm_unpackhi_epi32(descs[0], descs[1]);
+ vlan1 = _mm_unpackhi_epi32(descs[2], descs[3]);
+ vlan0 = _mm_unpacklo_epi64(vlan0, vlan1);
vlan1 = _mm_and_si128(vlan0, rss_vlan_msk);
vlan0 = _mm_shuffle_epi8(vlan_flags, vlan1);
- rss = _mm_srli_epi16(vlan1, 11);
+ rss = _mm_srli_epi32(vlan1, 11);
rss = _mm_shuffle_epi8(rss_flags, rss);
+ l3_l4e = _mm_srli_epi32(vlan1, 22);
+ l3_l4e = _mm_shuffle_epi8(l3_l4e_flags, l3_l4e);
+
vlan0 = _mm_or_si128(vlan0, rss);
- vol.dword = _mm_cvtsi128_si64(vlan0);
+ vlan0 = _mm_or_si128(vlan0, l3_l4e);
- rx_pkts[0]->ol_flags = vol.e[0];
- rx_pkts[1]->ol_flags = vol.e[1];
- rx_pkts[2]->ol_flags = vol.e[2];
- rx_pkts[3]->ol_flags = vol.e[3];
+ rx_pkts[0]->ol_flags = _mm_extract_epi16(vlan0, 0);
+ rx_pkts[1]->ol_flags = _mm_extract_epi16(vlan0, 2);
+ rx_pkts[2]->ol_flags = _mm_extract_epi16(vlan0, 4);
+ rx_pkts[3]->ol_flags = _mm_extract_epi16(vlan0, 6);
}
#else
#define desc_to_olflags_v(desc, rx_pkts) do {} while (0)
#define PKTLEN_SHIFT 10
+static inline void
+desc_to_ptype_v(__m128i descs[4], struct rte_mbuf **rx_pkts)
+{
+ __m128i ptype0 = _mm_unpackhi_epi64(descs[0], descs[1]);
+ __m128i ptype1 = _mm_unpackhi_epi64(descs[2], descs[3]);
+
+ ptype0 = _mm_srli_epi64(ptype0, 30);
+ ptype1 = _mm_srli_epi64(ptype1, 30);
+
+ rx_pkts[0]->packet_type = i40e_rxd_pkt_type_mapping(_mm_extract_epi8(ptype0, 0));
+ rx_pkts[1]->packet_type = i40e_rxd_pkt_type_mapping(_mm_extract_epi8(ptype0, 8));
+ rx_pkts[2]->packet_type = i40e_rxd_pkt_type_mapping(_mm_extract_epi8(ptype1, 0));
+ rx_pkts[3]->packet_type = i40e_rxd_pkt_type_mapping(_mm_extract_epi8(ptype1, 8));
+}
+
/*
* Notice:
* - nb_pkts < RTE_I40E_DESCS_PER_LOOP, just return no packet
*/
rxdp = rxq->rx_ring + rxq->rx_tail;
- _mm_prefetch((const void *)rxdp, _MM_HINT_T0);
+ rte_prefetch0(rxdp);
/* See if we need to rearm the RX queue - gives the prefetch a bit
* of time to act
/* A.1 load 4 pkts desc */
descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3));
rte_compiler_barrier();
+
/* B.2 copy 2 mbuf point into rx_pkts */
_mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1);
pkt_mb2);
_mm_storeu_si128((void *)&rx_pkts[pos]->rx_descriptor_fields1,
pkt_mb1);
+ desc_to_ptype_v(descs, &rx_pkts[pos]);
/* C.4 calc avaialbe number of desc */
var = __builtin_popcountll(_mm_cvtsi128_si64(staterr));
nb_pkts_recd += var;
return _recv_raw_pkts_vec(rx_queue, rx_pkts, nb_pkts, NULL);
}
-static inline uint16_t
-reassemble_packets(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_bufs,
- uint16_t nb_bufs, uint8_t *split_flags)
-{
- struct rte_mbuf *pkts[RTE_I40E_VPMD_RX_BURST]; /*finished pkts*/
- struct rte_mbuf *start = rxq->pkt_first_seg;
- struct rte_mbuf *end = rxq->pkt_last_seg;
- unsigned 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;
-
- 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
* Notice:
* - nb_pkts < RTE_I40E_DESCS_PER_LOOP, just return no packet
vtx1(txdp, *pkt, flags);
}
-static inline int __attribute__((always_inline))
-i40e_tx_free_bufs(struct i40e_tx_queue *txq)
-{
- struct i40e_tx_entry *txep;
- uint32_t n;
- uint32_t i;
- int nb_free = 0;
- struct rte_mbuf *m, *free[RTE_I40E_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(I40E_TXD_QW1_DTYPE_MASK)) !=
- rte_cpu_to_le_64(I40E_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 != 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 i40e_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];
-}
-
uint16_t
i40e_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
uint16_t nb_pkts)
void __attribute__((cold))
i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue *rxq)
{
- const unsigned mask = rxq->nb_rx_desc - 1;
- unsigned i;
-
- if (rxq->sw_ring == NULL || rxq->rxrearm_nb >= rxq->nb_rx_desc)
- return;
-
- /* free all mbufs that are valid in the ring */
- if (rxq->rxrearm_nb == 0) {
- for (i = 0; i < rxq->nb_rx_desc; i++) {
- if (rxq->sw_ring[i].mbuf != NULL)
- rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
- }
- } else {
- for (i = rxq->rx_tail;
- i != rxq->rxrearm_start;
- i = (i + 1) & mask) {
- if (rxq->sw_ring[i].mbuf != NULL)
- 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);
+ _i40e_rx_queue_release_mbufs_vec(rxq);
}
int __attribute__((cold))
i40e_rxq_vec_setup(struct i40e_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 i40e_rxq_vec_setup_default(rxq);
}
int __attribute__((cold))
i40e_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;
-
/* need SSE4.1 support */
if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
return -1;
-
-#ifndef RTE_LIBRTE_I40E_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 i40e_rx_vec_dev_conf_condition_check_default(dev);
}
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