RTE_PKTMBUF_HEADROOM);
__m128i dma_addr0, dma_addr1;
+ const __m128i hba_msk = _mm_set_epi64x(0, UINT64_MAX);
+
rxdp = rxq->rx_ring + rxq->rxrearm_start;
/* Pull 'n' more MBUFs into the software ring */
dma_addr0 = _mm_add_epi64(dma_addr0, hdr_room);
dma_addr1 = _mm_add_epi64(dma_addr1, hdr_room);
+ /* set Header Buffer Address to zero */
+ dma_addr0 = _mm_and_si128(dma_addr0, hba_msk);
+ dma_addr1 = _mm_and_si128(dma_addr1, hba_msk);
+
/* flush desc with pa dma_addr */
_mm_store_si128((__m128i *)&rxdp++->read, dma_addr0);
_mm_store_si128((__m128i *)&rxdp++->read, dma_addr1);
*/
#ifdef RTE_IXGBE_RX_OLFLAGS_ENABLE
-#define OLFLAGS_MASK ((uint16_t)(PKT_RX_VLAN_PKT | PKT_RX_IPV4_HDR |\
- PKT_RX_IPV4_HDR_EXT | PKT_RX_IPV6_HDR |\
- PKT_RX_IPV6_HDR_EXT))
-#define OLFLAGS_MASK_V (((uint64_t)OLFLAGS_MASK << 48) | \
- ((uint64_t)OLFLAGS_MASK << 32) | \
- ((uint64_t)OLFLAGS_MASK << 16) | \
- ((uint64_t)OLFLAGS_MASK))
-#define PTYPE_SHIFT (1)
#define VTAG_SHIFT (3)
static inline void
uint64_t dword;
} vol;
+ /* pkt type + vlan olflags mask */
+ const __m128i pkttype_msk = _mm_set_epi16(
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ PKT_RX_VLAN_PKT, PKT_RX_VLAN_PKT, PKT_RX_VLAN_PKT, PKT_RX_VLAN_PKT);
+
+ /* mask everything except rss type */
+ const __m128i rsstype_msk = _mm_set_epi16(
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x000F, 0x000F, 0x000F, 0x000F);
+
+ /* map rss type to rss hash flag */
+ const __m128i rss_flags = _mm_set_epi8(PKT_RX_FDIR, 0, 0, 0,
+ 0, 0, 0, PKT_RX_RSS_HASH,
+ PKT_RX_RSS_HASH, 0, PKT_RX_RSS_HASH, 0,
+ PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, 0);
+
ptype0 = _mm_unpacklo_epi16(descs[0], descs[1]);
ptype1 = _mm_unpacklo_epi16(descs[2], descs[3]);
vtag0 = _mm_unpackhi_epi16(descs[0], descs[1]);
vtag1 = _mm_unpackhi_epi16(descs[2], descs[3]);
- ptype1 = _mm_unpacklo_epi32(ptype0, ptype1);
- vtag1 = _mm_unpacklo_epi32(vtag0, vtag1);
+ ptype0 = _mm_unpacklo_epi32(ptype0, ptype1);
+ ptype0 = _mm_and_si128(ptype0, rsstype_msk);
+ ptype0 = _mm_shuffle_epi8(rss_flags, ptype0);
- ptype1 = _mm_slli_epi16(ptype1, PTYPE_SHIFT);
+ vtag1 = _mm_unpacklo_epi32(vtag0, vtag1);
vtag1 = _mm_srli_epi16(vtag1, VTAG_SHIFT);
+ vtag1 = _mm_and_si128(vtag1, pkttype_msk);
- ptype1 = _mm_or_si128(ptype1, vtag1);
- vol.dword = _mm_cvtsi128_si64(ptype1) & OLFLAGS_MASK_V;
+ vtag1 = _mm_or_si128(ptype0, vtag1);
+ vol.dword = _mm_cvtsi128_si64(vtag1);
rx_pkts[0]->ol_flags = vol.e[0];
rx_pkts[1]->ol_flags = vol.e[1];
uint64_t var;
__m128i shuf_msk;
__m128i crc_adjust = _mm_set_epi16(
- 0, 0, 0, 0, /* ignore non-length fields */
+ 0, 0, 0, /* ignore non-length fields */
+ -rxq->crc_len, /* sub crc on data_len */
0, /* ignore high-16bits of pkt_len */
-rxq->crc_len, /* sub crc on pkt_len */
- -rxq->crc_len, /* sub crc on data_len */
- 0 /* ignore pkt_type field */
+ 0, 0 /* ignore pkt_type field */
);
__m128i dd_check, eop_check;
+ __m128i desc_mask = _mm_set_epi32(0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFF07F0);
if (unlikely(nb_pkts < RTE_IXGBE_VPMD_RX_BURST))
return 0;
/* mask to shuffle from desc. to mbuf */
shuf_msk = _mm_set_epi8(
7, 6, 5, 4, /* octet 4~7, 32bits rss */
- 0xFF, 0xFF, /* skip high 16 bits vlan_macip, zero out */
15, 14, /* octet 14~15, low 16 bits vlan_macip */
+ 13, 12, /* octet 12~13, 16 bits data_len */
0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */
13, 12, /* octet 12~13, low 16 bits pkt_len */
- 13, 12, /* octet 12~13, 16 bits data_len */
- 0xFF, 0xFF /* skip pkt_type field */
+ 0xFF, 0xFF, /* skip high 16 bits pkt_type */
+ 1, /* octet 1, 8 bits pkt_type field */
+ 0 /* octet 0, 4 bits offset 4 pkt_type field */
);
/* Cache is empty -> need to scan the buffer rings, but first move
* the next 'n' mbufs into the cache */
sw_ring = &rxq->sw_ring[rxq->rx_tail];
- /*
- * A. load 4 packet in one loop
+ /* A. load 4 packet in one loop
+ * [A*. mask out 4 unused dirty field in desc]
* B. copy 4 mbuf point from swring to rx_pkts
* C. calc the number of DD bits among the 4 packets
* [C*. extract the end-of-packet bit, if requested]
for (pos = 0, nb_pkts_recd = 0; pos < RTE_IXGBE_VPMD_RX_BURST;
pos += RTE_IXGBE_DESCS_PER_LOOP,
rxdp += RTE_IXGBE_DESCS_PER_LOOP) {
+ __m128i descs0[RTE_IXGBE_DESCS_PER_LOOP];
__m128i descs[RTE_IXGBE_DESCS_PER_LOOP];
__m128i pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4;
__m128i zero, staterr, sterr_tmp1, sterr_tmp2;
/* Read desc statuses backwards to avoid race condition */
/* A.1 load 4 pkts desc */
- descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3));
+ descs0[3] = _mm_loadu_si128((__m128i *)(rxdp + 3));
/* B.2 copy 2 mbuf point into rx_pkts */
_mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1);
/* B.1 load 1 mbuf point */
mbp2 = _mm_loadu_si128((__m128i *)&sw_ring[pos+2]);
- descs[2] = _mm_loadu_si128((__m128i *)(rxdp + 2));
+ descs0[2] = _mm_loadu_si128((__m128i *)(rxdp + 2));
/* B.1 load 2 mbuf point */
- descs[1] = _mm_loadu_si128((__m128i *)(rxdp + 1));
- descs[0] = _mm_loadu_si128((__m128i *)(rxdp));
+ descs0[1] = _mm_loadu_si128((__m128i *)(rxdp + 1));
+ descs0[0] = _mm_loadu_si128((__m128i *)(rxdp));
/* B.2 copy 2 mbuf point into rx_pkts */
_mm_storeu_si128((__m128i *)&rx_pkts[pos+2], mbp2);
+ /* A* mask out 0~3 bits RSS type */
+ descs[3] = _mm_and_si128(descs0[3], desc_mask);
+ descs[2] = _mm_and_si128(descs0[2], desc_mask);
+
+ /* A* mask out 0~3 bits RSS type */
+ descs[1] = _mm_and_si128(descs0[1], desc_mask);
+ descs[0] = _mm_and_si128(descs0[0], desc_mask);
+
/* avoid compiler reorder optimization */
rte_compiler_barrier();
/* C.1 4=>2 filter staterr info only */
sterr_tmp1 = _mm_unpackhi_epi32(descs[1], descs[0]);
- /* set ol_flags with packet type and vlan tag */
- desc_to_olflags_v(descs, &rx_pkts[pos]);
+ /* set ol_flags with vlan packet type */
+ desc_to_olflags_v(descs0, &rx_pkts[pos]);
/* D.2 pkt 3,4 set in_port/nb_seg and remove crc */
pkt_mb4 = _mm_add_epi16(pkt_mb4, crc_adjust);
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 -
return 0;
/* happy day case, full burst + no packets to be joined */
- const uint32_t *split_fl32 = (uint32_t *)split_flags;
+ const uint64_t *split_fl64 = (uint64_t *)split_flags;
if (rxq->pkt_first_seg == NULL &&
- split_fl32[0] == 0 && split_fl32[1] == 0 &&
- split_fl32[2] == 0 && split_fl32[3] == 0)
+ split_fl64[0] == 0 && split_fl64[1] == 0 &&
+ split_fl64[2] == 0 && split_fl64[3] == 0)
return nb_bufs;
/* reassemble any packets that need reassembly*/
* first buffer to free from S/W ring is at index
* tx_next_dd - (tx_rs_thresh-1)
*/
- txep = &((struct ixgbe_tx_entry_v *)txq->sw_ring)[txq->tx_next_dd -
- (n - 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;
tx_id = txq->tx_tail;
txdp = &txq->tx_ring[tx_id];
- txep = &((struct ixgbe_tx_entry_v *)txq->sw_ring)[tx_id];
+ txep = &txq->sw_ring_v[tx_id];
txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_pkts);
/* avoid reach the end of ring */
txdp = &(txq->tx_ring[tx_id]);
- txep = &(((struct ixgbe_tx_entry_v *)txq->sw_ring)[tx_id]);
+ txep = &txq->sw_ring_v[tx_id];
}
tx_backlog_entry(txep, tx_pkts, nb_commit);
}
static void __attribute__((cold))
-ixgbe_tx_queue_release_mbufs(struct ixgbe_tx_queue *txq)
+ixgbe_tx_queue_release_mbufs_vec(struct ixgbe_tx_queue *txq)
{
unsigned i;
struct ixgbe_tx_entry_v *txe;
- uint16_t nb_free, max_desc;
+ const uint16_t max_desc = (uint16_t)(txq->nb_tx_desc - 1);
- if (txq->sw_ring != NULL) {
- /* release the used mbufs in sw_ring */
- nb_free = txq->nb_tx_free;
- max_desc = (uint16_t)(txq->nb_tx_desc - 1);
- for (i = txq->tx_next_dd - (txq->tx_rs_thresh - 1);
- nb_free < max_desc && i != txq->tx_tail;
- i = (i + 1) & max_desc) {
- txe = (struct ixgbe_tx_entry_v *)&txq->sw_ring[i];
- /*
- * Check for already freed packets.
- * Note: ixgbe_tx_free_bufs does not NULL after free,
- * so we actually have to check the reference count.
- */
- if (txe->mbuf != NULL &&
- rte_mbuf_refcnt_read(txe->mbuf) != 0)
- rte_pktmbuf_free_seg(txe->mbuf);
- }
- /* reset tx_entry */
- for (i = 0; i < txq->nb_tx_desc; i++) {
- txe = (struct ixgbe_tx_entry_v *)&txq->sw_ring[i];
- txe->mbuf = NULL;
- }
+ 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;
+ }
+}
+
+void __attribute__((cold))
+ixgbe_rx_queue_release_mbufs_vec(struct ixgbe_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 */
+ 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);
}
static void __attribute__((cold))
return;
if (txq->sw_ring != NULL) {
- rte_free((struct ixgbe_rx_entry *)txq->sw_ring - 1);
- txq->sw_ring = NULL;
+ rte_free(txq->sw_ring_v - 1);
+ txq->sw_ring_v = NULL;
}
}
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 = (struct ixgbe_tx_entry_v *)txq->sw_ring;
+ struct ixgbe_tx_entry_v *txe = txq->sw_ring_v;
uint16_t i;
/* Zero out HW ring memory */
}
static const struct ixgbe_txq_ops vec_txq_ops = {
- .release_mbufs = ixgbe_tx_queue_release_mbufs,
+ .release_mbufs = ixgbe_tx_queue_release_mbufs_vec,
.free_swring = ixgbe_tx_free_swring,
.reset = ixgbe_reset_tx_queue,
};
int __attribute__((cold))
ixgbe_txq_vec_setup(struct ixgbe_tx_queue *txq)
{
- if (txq->sw_ring == NULL)
+ if (txq->sw_ring_v == NULL)
return -1;
/* leave the first one for overflow */
- txq->sw_ring = (struct ixgbe_tx_entry *)
- ((struct ixgbe_tx_entry_v *)txq->sw_ring + 1);
+ txq->sw_ring_v = txq->sw_ring_v + 1;
txq->ops = &vec_txq_ops;
return 0;
git.droids-corp.org / dpdk.git / blobdiff