void test_vzipQu32 (void)
{
uint32x4x2_t out_uint32x4x2_t;
uint32x4_t arg0_uint32x4_t;
uint32x4_t arg1_uint32x4_t;
out_uint32x4x2_t = vzipq_u32 (arg0_uint32x4_t, arg1_uint32x4_t);
}
uint32x4x2_t test_vzipq_u32(uint32x4_t a, uint32x4_t b) {
// CHECK-LABEL: test_vzipq_u32
return vzipq_u32(a, b);
// CHECK: zip1 {{v[0-9]+}}.4s, {{v[0-9]+}}.4s
// CHECK: zip2 {{v[0-9]+}}.4s, {{v[0-9]+}}.4s
}
static inline void
desc_to_olflags_v(struct i40e_rx_queue *rxq, 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 = {
PKT_RX_IP_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD |
PKT_RX_L4_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD |
PKT_RX_EIP_CKSUM_BAD,
PKT_RX_IP_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD |
PKT_RX_L4_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD |
PKT_RX_EIP_CKSUM_BAD,
PKT_RX_IP_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD |
PKT_RX_L4_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD |
PKT_RX_EIP_CKSUM_BAD,
PKT_RX_IP_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD |
PKT_RX_L4_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD |
PKT_RX_EIP_CKSUM_BAD};
/* map rss and vlan type to rss hash and vlan flag */
const uint8x16_t vlan_flags = {
0, 0, 0, 0,
PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0};
const uint8x16_t rss_flags = {
0, PKT_RX_FDIR, 0, 0,
0, 0, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH | PKT_RX_FDIR,
0, 0, 0, 0,
0, 0, 0, 0};
const uint8x16_t l3_l4e_flags = {
(PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> 1,
PKT_RX_IP_CKSUM_BAD >> 1,
(PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD) >> 1,
(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
(PKT_RX_IP_CKSUM_GOOD | PKT_RX_EIP_CKSUM_BAD) >> 1,
(PKT_RX_EIP_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
(PKT_RX_IP_CKSUM_GOOD | PKT_RX_EIP_CKSUM_BAD |
PKT_RX_L4_CKSUM_BAD) >> 1,
(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
PKT_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)));
rss = vshrq_n_u32(vlan1, 11);
rss = vreinterpretq_u32_u8(vqtbl1q_u8(rss_flags,
vreinterpretq_u8_u32(rss)));
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 reduntant 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);
}
