This patch adds the basic NEON Rx path to the iavf driver. It does not
include scatter or flex varieties.
Signed-off-by: Kathleen Capella <kathleen.cape...@arm.com>
---
drivers/net/iavf/iavf_rxtx.c | 12 +-
drivers/net/iavf/iavf_rxtx_vec_neon.c | 392 ++++++++++++++++++++++++++
drivers/net/iavf/meson.build | 2 +
3 files changed, 404 insertions(+), 2 deletions(-)
create mode 100644 drivers/net/iavf/iavf_rxtx_vec_neon.c
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 16e8d021f9..27a75bb358 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -2795,11 +2795,12 @@ iavf_set_rx_function(struct rte_eth_dev *dev)
struct iavf_adapter *adapter =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+ int check_ret;
#ifdef RTE_ARCH_X86
struct iavf_rx_queue *rxq;
int i;
- int check_ret;
+
bool use_avx2 = false;
bool use_avx512 = false;
bool use_flex = false;
@@ -2921,8 +2922,15 @@ iavf_set_rx_function(struct rte_eth_dev *dev)
return;
}
+#endif /* RTE_ARCH_X86 */
-#endif
+ check_ret = iavf_rx_vec_dev_check(dev);
+ if (check_ret >= 0) {
+ PMD_DRV_LOG(DEBUG, "Using a Vector Rx callback (port=%d).",
+ dev->data->port_id);
+ dev->rx_pkt_burst = iavf_recv_pkts_vec;
+ return;
+ }
if (dev->data->scattered_rx) {
PMD_DRV_LOG(DEBUG, "Using a Scattered Rx callback (port=%d).",
dev->data->port_id);
diff --git a/drivers/net/iavf/iavf_rxtx_vec_neon.c
b/drivers/net/iavf/iavf_rxtx_vec_neon.c
new file mode 100644
index 0000000000..e1f1ce7ba9
--- /dev/null
+++ b/drivers/net/iavf/iavf_rxtx_vec_neon.c
@@ -0,0 +1,392 @@
+#include <stdint.h>
+#include <ethdev_driver.h>
+#include <rte_malloc.h>
+#include <rte_vect.h>
+
+#include "iavf.h"
+#include "iavf_rxtx.h"
+#include "iavf_rxtx_vec_common.h"
+
+
+#pragma GCC diagnostic ignored "-Wcast-qual"
+
+static inline void
+iavf_rxq_rearm(struct iavf_rx_queue *rxq)
+{
+ int i;
+ uint16_t rx_id;
+ volatile union iavf_rx_desc *rxdp;
+ struct rte_mbuf **rxep = &rxq->sw_ring[rxq->rxrearm_start];
+ struct rte_mbuf *mb0, *mb1;
+ uint64x2_t dma_addr0, dma_addr1;
+ uint64x2_t zero = vdupq_n_u64(0);
+ uint64_t paddr;
+
+ rxdp = rxq->rx_ring + rxq->rxrearm_start;
+
+ /* Pull 'n' more MBUFs into the software ring */
+ if (unlikely(rte_mempool_get_bulk(rxq->mp,
+ (void *)rxep,
+ IAVF_RXQ_REARM_THRESH) < 0)) {
+ if (rxq->rxrearm_nb + IAVF_RXQ_REARM_THRESH >=
+ rxq->nb_rx_desc) {
+ for (i = 0; i < IAVF_VPMD_DESCS_PER_LOOP; i++) {
+ rxep[i] = &rxq->fake_mbuf;
+ vst1q_u64((uint64_t *)&rxdp[i].read, zero);
+ }
+ }
+ rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed +=
+ IAVF_RXQ_REARM_THRESH;
+ return;
+ }
+
+ /* Initialize the mbufs in vector, process 2 mbufs in one loop */
+ for (i = 0; i < IAVF_RXQ_REARM_THRESH; i += 2, rxep += 2) {
+ mb0 = rxep[0];
+ mb1 = rxep[1];
+
+ paddr = mb0->buf_iova + RTE_PKTMBUF_HEADROOM;
+ dma_addr0 = vdupq_n_u64(paddr);
+
+ /* flush desc with pa dma_addr */
+ vst1q_u64((uint64_t *)&rxdp++->read, dma_addr0);
+
+ paddr = mb1->buf_iova + RTE_PKTMBUF_HEADROOM;
+ dma_addr1 = vdupq_n_u64(paddr);
+ vst1q_u64((uint64_t *)&rxdp++->read, dma_addr1);
+ }
+
+ rxq->rxrearm_start += IAVF_RXQ_REARM_THRESH;
+ if (rxq->rxrearm_start >= rxq->nb_rx_desc)
+ rxq->rxrearm_start = 0;
+
+ rxq->rxrearm_nb -= IAVF_RXQ_REARM_THRESH;
+
+ rx_id = (uint16_t)((rxq->rxrearm_start == 0) ?
+ (rxq->nb_rx_desc - 1) : (rxq->rxrearm_start - 1));
+
+ rte_io_wmb();
+ /* Update the tail pointer on the NIC */
+ IAVF_PCI_REG_WRITE_RELAXED(rxq->qrx_tail, rx_id);
+}
+
+static inline void
+desc_to_olflags_v(struct iavf_rx_queue *rxq, volatile union iavf_rx_desc *rxdp,
+ uint64x2_t descs[4], struct rte_mbuf **rx_pkts)
+{
+ uint32x4_t vlan0, vlan1, rss, l3_l4e;
+ const uint64x2_t mbuf_init = {rxq->mbuf_initializer, 0};
+ uint64x2_t rearm0, rearm1, rearm2, rearm3;
+
+ /* 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 uint32x4_t rss_vlan_msk = {
+ 0x1c03804, 0x1c03804, 0x1c03804, 0x1c03804};
+
+ const uint32x4_t cksum_mask = {
+ RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_IP_CKSUM_BAD |
+ RTE_MBUF_F_RX_L4_CKSUM_GOOD |
RTE_MBUF_F_RX_L4_CKSUM_BAD |
+ RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD,
+ RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_IP_CKSUM_BAD |
+ RTE_MBUF_F_RX_L4_CKSUM_GOOD |
RTE_MBUF_F_RX_L4_CKSUM_BAD |
+ RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD,
+ RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_IP_CKSUM_BAD |
+ RTE_MBUF_F_RX_L4_CKSUM_GOOD |
RTE_MBUF_F_RX_L4_CKSUM_BAD |
+ RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD,
+ RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_IP_CKSUM_BAD |
+ RTE_MBUF_F_RX_L4_CKSUM_GOOD |
RTE_MBUF_F_RX_L4_CKSUM_BAD |
+ RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD};
+
+ /* map rss and vlan type to rss hash and vlan flag */
+ const uint8x16_t vlan_flags = {
+ 0, 0, 0, 0,
+ RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED, 0, 0,
0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0};
+
+ const uint8x16_t rss_flags = {
+ 0, RTE_MBUF_F_RX_FDIR, 0, 0,
+ 0, 0, RTE_MBUF_F_RX_RSS_HASH, RTE_MBUF_F_RX_RSS_HASH |
RTE_MBUF_F_RX_FDIR,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0};
+
+ const uint8x16_t l3_l4e_flags = {
+ (RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_L4_CKSUM_GOOD) >> 1,
+ RTE_MBUF_F_RX_IP_CKSUM_BAD >> 1,
+ (RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_L4_CKSUM_BAD) >> 1,
+ (RTE_MBUF_F_RX_L4_CKSUM_BAD |
RTE_MBUF_F_RX_IP_CKSUM_BAD) >> 1,
+ (RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD) >> 1,
+ (RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD |
RTE_MBUF_F_RX_IP_CKSUM_BAD) >> 1,
+ (RTE_MBUF_F_RX_IP_CKSUM_GOOD |
RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD |
+ RTE_MBUF_F_RX_L4_CKSUM_BAD) >> 1,
+ (RTE_MBUF_F_RX_OUTER_IP_CKSUM_BAD |
RTE_MBUF_F_RX_L4_CKSUM_BAD |
+ RTE_MBUF_F_RX_IP_CKSUM_BAD) >> 1,
+ 0, 0, 0, 0, 0, 0, 0, 0};
+
+ vlan0 = vzipq_u32(vreinterpretq_u32_u64(descs[0]),
+ vreinterpretq_u32_u64(descs[2])).val[1];
+ vlan1 = vzipq_u32(vreinterpretq_u32_u64(descs[1]),
+ vreinterpretq_u32_u64(descs[3])).val[1];
+ vlan0 = vzipq_u32(vlan0, vlan1).val[0];
+
+ vlan1 = vandq_u32(vlan0, rss_vlan_msk);
+ vlan0 = vreinterpretq_u32_u8(vqtbl1q_u8(vlan_flags,
+ vreinterpretq_u8_u32(vlan1)));
+
+ const uint32x4_t desc_fltstat = vshrq_n_u32(vlan1, 11);
+ rss = vreinterpretq_u32_u8(vqtbl1q_u8(rss_flags,
+
vreinterpretq_u8_u32(desc_fltstat)));
+
+ l3_l4e = vshrq_n_u32(vlan1, 22);
+ l3_l4e = vreinterpretq_u32_u8(vqtbl1q_u8(l3_l4e_flags,
+ vreinterpretq_u8_u32(l3_l4e)));
+ /* then we shift left 1 bit */
+ l3_l4e = vshlq_n_u32(l3_l4e, 1);
+ /* we need to mask out the redundant bits */
+ l3_l4e = vandq_u32(l3_l4e, cksum_mask);
+
+ vlan0 = vorrq_u32(vlan0, rss);
+ vlan0 = vorrq_u32(vlan0, l3_l4e);
+
+ rearm0 = vsetq_lane_u64(vgetq_lane_u32(vlan0, 0), mbuf_init, 1);
+ rearm1 = vsetq_lane_u64(vgetq_lane_u32(vlan0, 1), mbuf_init, 1);
+ rearm2 = vsetq_lane_u64(vgetq_lane_u32(vlan0, 2), mbuf_init, 1);
+ rearm3 = vsetq_lane_u64(vgetq_lane_u32(vlan0, 3), mbuf_init, 1);
+
+ vst1q_u64((uint64_t *)&rx_pkts[0]->rearm_data, rearm0);
+ vst1q_u64((uint64_t *)&rx_pkts[1]->rearm_data, rearm1);
+ vst1q_u64((uint64_t *)&rx_pkts[2]->rearm_data, rearm2);
+ vst1q_u64((uint64_t *)&rx_pkts[3]->rearm_data, rearm3);
+}
+
+#define PKTLEN_SHIFT 10
+#define IAVF_UINT16_BIT (CHAR_BIT * sizeof(uint16_t))
+
+static inline void
+desc_to_ptype_v(uint64x2_t descs[4], struct rte_mbuf **__rte_restrict rx_pkts,
+ uint32_t *__rte_restrict ptype_tbl)
+{
+ int i;
+ uint8_t ptype;
+ uint8x16_t tmp;
+
+ for (i = 0; i < 4; i++) {
+ tmp = vreinterpretq_u8_u64(vshrq_n_u64(descs[i], 30));
+ ptype = vgetq_lane_u8(tmp, 8);
+ rx_pkts[i]->packet_type = ptype_tbl[ptype];
+ }
+}
+
+/**
+ * vPMD raw receive routine, only accept(nb_pkts >= IAVF_VPMD_DESCS_PER_LOOP)
+ *
+ * Notice:
+ * - nb_pkts < IAVF_VPMD_DESCS_PER_LOOP, just return no packet
+ * - floor align nb_pkts to a IAVF_VPMD_DESCS_PER_LOOP power-of-two
+ */
+static inline uint16_t
+_recv_raw_pkts_vec(struct iavf_rx_queue *__rte_restrict rxq,
+ struct rte_mbuf **__rte_restrict rx_pkts,
+ uint16_t nb_pkts, uint8_t *split_packet)
+{
+ volatile union iavf_rx_desc *rxdp;
+ struct rte_mbuf **sw_ring;
+ uint16_t nb_pkts_recd;
+ int pos;
+ uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
+
+ /* mask to shuffle from desc. to mbuf */
+ uint8x16_t shuf_msk = {
+ 0xFF, 0xFF, /* pkt_type set as unknown */
+ 0xFF, 0xFF, /* pkt_type set as unknown */
+ 14, 15, /* octet 15~14, low 16 bits pkt_len */
+ 0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */
+ 14, 15, /* octet 15~14, 16 bits data_len */
+ 2, 3, /* octet 2~3, low 16 bits vlan_macip */
+ 4, 5, 6, 7 /* octet 4~7, 32bits rss */
+ };
+
+ uint16x8_t crc_adjust = {
+ 0, 0, /* ignore pkt_type field */
+ rxq->crc_len, /* sub crc on pkt_len */
+ 0, /* ignore high-16bits of pkt_len */
+ rxq->crc_len, /* sub crc on data_len */
+ 0, 0, 0 /* ignore non-length fields */
+ };
+ /* nb_pkts has to be floor-aligned to IAVF_VPMD_DESCS_PER_LOOP */
+ nb_pkts = RTE_ALIGN_FLOOR(nb_pkts, IAVF_VPMD_DESCS_PER_LOOP);
+
+ rxdp = rxq->rx_ring + rxq->rx_tail;
+
+ rte_prefetch_non_temporal(rxdp);
+
+ /* See if we need to rearm the RX queue - gives the prefetch a bit
+ * of time to act
+ */
+ if (rxq->rxrearm_nb > IAVF_RXQ_REARM_THRESH)
+ iavf_rxq_rearm(rxq);
+
+ /* Before we start moving massive data around, check to see if
+ * there is actually a packet available
+ */
+ if (!(rxdp->wb.qword1.status_error_len &
+ rte_cpu_to_le_32(1 << IAVF_RX_DESC_STATUS_DD_SHIFT)))
+ return 0;
+
+ /* 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*. 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]
+ * D. fill info. from desc to mbuf
+ */
+
+ for (pos = 0, nb_pkts_recd = 0; pos < nb_pkts;
+ pos += IAVF_VPMD_DESCS_PER_LOOP,
+ rxdp += IAVF_VPMD_DESCS_PER_LOOP) {
+ uint64x2_t descs[IAVF_VPMD_DESCS_PER_LOOP];
+ uint8x16_t pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4;
+ uint16x8x2_t sterr_tmp1, sterr_tmp2;
+ uint64x2_t mbp1, mbp2;
+ uint16x8_t staterr;
+ uint16x8_t tmp;
+ uint64_t stat;
+
+ int32x4_t len_shl = {0, 0, 0, PKTLEN_SHIFT};
+
+ /* A.1 load desc[3-0] */
+ descs[3] = vld1q_u64((uint64_t *)(rxdp + 3));
+ descs[2] = vld1q_u64((uint64_t *)(rxdp + 2));
+ descs[1] = vld1q_u64((uint64_t *)(rxdp + 1));
+ descs[0] = vld1q_u64((uint64_t *)(rxdp));
+
+ /* Use acquire fence to order loads of descriptor qwords */
+ rte_atomic_thread_fence(__ATOMIC_ACQUIRE);
+ /* A.2 reload qword0 to make it ordered after qword1 load */
+ descs[3] = vld1q_lane_u64((uint64_t *)(rxdp + 3), descs[3], 0);
+ descs[2] = vld1q_lane_u64((uint64_t *)(rxdp + 2), descs[2], 0);
+ descs[1] = vld1q_lane_u64((uint64_t *)(rxdp + 1), descs[1], 0);
+ descs[0] = vld1q_lane_u64((uint64_t *)(rxdp), descs[0], 0);
+
+ /* B.1 load 4 mbuf point */
+ mbp1 = vld1q_u64((uint64_t *)&sw_ring[pos]);
+ mbp2 = vld1q_u64((uint64_t *)&sw_ring[pos + 2]);
+
+ /* B.2 copy 4 mbuf point into rx_pkts */
+ vst1q_u64((uint64_t *)&rx_pkts[pos], mbp1);
+ vst1q_u64((uint64_t *)&rx_pkts[pos + 2], mbp2);
+
+ /* pkts shift the pktlen field to be 16-bit aligned*/
+ uint32x4_t len3 = vshlq_u32(vreinterpretq_u32_u64(descs[3]),
+ len_shl);
+ descs[3] = vreinterpretq_u64_u16(vsetq_lane_u16
+ (vgetq_lane_u16(vreinterpretq_u16_u32(len3), 7),
+ vreinterpretq_u16_u64(descs[3]),
+ 7));
+ uint32x4_t len2 = vshlq_u32(vreinterpretq_u32_u64(descs[2]),
+ len_shl);
+ descs[2] = vreinterpretq_u64_u16(vsetq_lane_u16
+ (vgetq_lane_u16(vreinterpretq_u16_u32(len2), 7),
+ vreinterpretq_u16_u64(descs[2]),
+ 7));
+ uint32x4_t len1 = vshlq_u32(vreinterpretq_u32_u64(descs[1]),
+ len_shl);
+ descs[1] = vreinterpretq_u64_u16(vsetq_lane_u16
+ (vgetq_lane_u16(vreinterpretq_u16_u32(len1), 7),
+ vreinterpretq_u16_u64(descs[1]),
+ 7));
+ uint32x4_t len0 = vshlq_u32(vreinterpretq_u32_u64(descs[0]),
+ len_shl);
+ descs[0] = vreinterpretq_u64_u16(vsetq_lane_u16
+ (vgetq_lane_u16(vreinterpretq_u16_u32(len0), 7),
+ vreinterpretq_u16_u64(descs[0]),
+ 7));
+ desc_to_olflags_v(rxq, rxdp, descs, &rx_pkts[pos]);
+
+ /* D.1 pkts convert format from desc to pktmbuf */
+ pkt_mb4 = vqtbl1q_u8(vreinterpretq_u8_u64(descs[3]), shuf_msk);
+ pkt_mb3 = vqtbl1q_u8(vreinterpretq_u8_u64(descs[2]), shuf_msk);
+ pkt_mb2 = vqtbl1q_u8(vreinterpretq_u8_u64(descs[1]), shuf_msk);
+ pkt_mb1 = vqtbl1q_u8(vreinterpretq_u8_u64(descs[0]), shuf_msk);
+
+ /* D.2 pkts set in_port/nb_seg and remove crc */
+ tmp = vsubq_u16(vreinterpretq_u16_u8(pkt_mb4), crc_adjust);
+ pkt_mb4 = vreinterpretq_u8_u16(tmp);
+ tmp = vsubq_u16(vreinterpretq_u16_u8(pkt_mb3), crc_adjust);
+ pkt_mb3 = vreinterpretq_u8_u16(tmp);
+ tmp = vsubq_u16(vreinterpretq_u16_u8(pkt_mb2), crc_adjust);
+ pkt_mb2 = vreinterpretq_u8_u16(tmp);
+ tmp = vsubq_u16(vreinterpretq_u16_u8(pkt_mb1), crc_adjust);
+ pkt_mb1 = vreinterpretq_u8_u16(tmp);
+
+ /* D.3 copy final data to rx_pkts */
+ vst1q_u8((void *)&rx_pkts[pos + 3]->rx_descriptor_fields1,
+ pkt_mb4);
+ vst1q_u8((void *)&rx_pkts[pos + 2]->rx_descriptor_fields1,
+ pkt_mb3);
+ vst1q_u8((void *)&rx_pkts[pos + 1]->rx_descriptor_fields1,
+ pkt_mb2);
+ vst1q_u8((void *)&rx_pkts[pos]->rx_descriptor_fields1,
+ pkt_mb1);
+
+ desc_to_ptype_v(descs, &rx_pkts[pos], ptype_tbl);
+
+ if (likely(pos + IAVF_VPMD_DESCS_PER_LOOP < nb_pkts))
+ rte_prefetch_non_temporal(rxdp +
IAVF_VPMD_DESCS_PER_LOOP);
+
+ /* C.1 4=>2 filter staterr info only */
+ sterr_tmp2 = vzipq_u16(vreinterpretq_u16_u64(descs[1]),
+ vreinterpretq_u16_u64(descs[3]));
+ sterr_tmp1 = vzipq_u16(vreinterpretq_u16_u64(descs[0]),
+ vreinterpretq_u16_u64(descs[2]));
+
+ /* C.2 get 4 pkts staterr value */
+ staterr = vzipq_u16(sterr_tmp1.val[1],
+ sterr_tmp2.val[1]).val[0];
+
+ staterr = vshlq_n_u16(staterr, IAVF_UINT16_BIT - 1);
+ staterr = vreinterpretq_u16_s16(
+ vshrq_n_s16(vreinterpretq_s16_u16(staterr),
+ IAVF_UINT16_BIT - 1));
+ stat = ~vgetq_lane_u64(vreinterpretq_u64_u16(staterr), 0);
+
+ /* C.4 calc available number of desc */
+ if (unlikely(stat == 0)) {
+ nb_pkts_recd += IAVF_VPMD_DESCS_PER_LOOP;
+ } else {
+ nb_pkts_recd += __builtin_ctzl(stat) / IAVF_UINT16_BIT;
+ break;
+ }
+ }
+
+ /* Update our internal tail pointer */
+ rxq->rx_tail = (uint16_t)(rxq->rx_tail + nb_pkts_recd);
+ rxq->rx_tail = (uint16_t)(rxq->rx_tail & (rxq->nb_rx_desc - 1));
+ rxq->rxrearm_nb = (uint16_t)(rxq->rxrearm_nb + nb_pkts_recd);
+ return nb_pkts_recd;
+}
+
+/*
+ * Notice:
+ * - nb_pkts < IAVF_VPMD_DESCS_PER_LOOP, just return no packet
+ * - nb_pkts > IAVF_VPMD_RX_BURST, only scan IAVF_VPMD_RX_BURST
+ * numbers of DD bits
+ */
+uint16_t
+iavf_recv_pkts_vec(void *__rte_restrict rx_queue,
+ struct rte_mbuf **__rte_restrict rx_pkts, uint16_t nb_pkts)
+{
+ return _recv_raw_pkts_vec(rx_queue, rx_pkts, nb_pkts, NULL);
+}
+
+int __rte_cold
+iavf_rx_vec_dev_check(struct rte_eth_dev *dev)
+{
+ return iavf_rx_vec_dev_check_default(dev);
+}
diff --git a/drivers/net/iavf/meson.build b/drivers/net/iavf/meson.build
index 5eb230f687..d32d91885a 100644
--- a/drivers/net/iavf/meson.build
+++ b/drivers/net/iavf/meson.build
@@ -65,6 +65,8 @@ if arch_subdir == 'x86'
c_args: avx512_args)
objs += iavf_avx512_lib.extract_objects('iavf_rxtx_vec_avx512.c')
endif
+elif arch_subdir == 'arm'
+ sources += files('iavf_rxtx_vec_neon.c')
endif
headers = files('rte_pmd_iavf.h')
--
2.17.1
