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net/ixgbe: mark good checksum for NEON Rx

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Add CKSUM_GOOD flag to distinguish a good checksum from an unknown one
in neon vector RX function.

Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>
This commit is contained in:
Feifei Wang 2020-11-18 04:48:58 -06:00 committed by Ferruh Yigit
parent f1657f97e4
commit 4b194d481b
1 changed files with 25 additions and 12 deletions
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37
drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c
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@ -86,13 +86,13 @@ desc_to_olflags_v(uint8x16x2_t sterr_tmp1, uint8x16x2_t sterr_tmp2,
uint8x16_t staterr, uint8_t vlan_flags, struct rte_mbuf **rx_pkts)
{
uint8x16_t ptype;
uint8x16_t vtag;
uint8x16_t vtag_lo, vtag_hi, vtag;
uint8x16_t temp_csum;
uint32x4_t csum = {0, 0, 0, 0};
union {
uint8_t e[4];
uint32_t word;
uint16_t e[4];
uint64_t word;
} vol;
const uint8x16_t rsstype_msk = {
@ -119,18 +119,26 @@ desc_to_olflags_v(uint8x16x2_t sterr_tmp1, uint8x16x2_t sterr_tmp2,
(IXGBE_RXDADV_ERR_TCPE | IXGBE_RXDADV_ERR_IPE) >> 24};
/* map vlan present (0x8), IPE (0x2), L4E (0x1) to ol_flags */
const uint8x16_t vlan_csum_map = {
0,
PKT_RX_L4_CKSUM_BAD,
const uint8x16_t vlan_csum_map_lo = {
PKT_RX_IP_CKSUM_GOOD,
PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
PKT_RX_IP_CKSUM_BAD,
PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
0, 0, 0, 0,
vlan_flags,
vlan_flags | PKT_RX_L4_CKSUM_BAD,
vlan_flags | PKT_RX_IP_CKSUM_GOOD,
vlan_flags | PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
vlan_flags | PKT_RX_IP_CKSUM_BAD,
vlan_flags | PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
0, 0, 0, 0};
const uint8x16_t vlan_csum_map_hi = {
PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
0, 0, 0, 0,
PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
0, 0, 0, 0};
ptype = vzipq_u8(sterr_tmp1.val[0], sterr_tmp2.val[0]).val[0];
ptype = vandq_u8(ptype, rsstype_msk);
ptype = vqtbl1q_u8(rss_flags, ptype);
@ -150,11 +158,16 @@ desc_to_olflags_v(uint8x16x2_t sterr_tmp1, uint8x16x2_t sterr_tmp2,
csum = vsetq_lane_u32(vgetq_lane_u32(vreinterpretq_u32_u8(temp_csum), 3), csum, 0);
vtag = vorrq_u8(vreinterpretq_u8_u32(csum), vtag);
/* convert VP, IPE, L4E to ol_flags */
vtag = vqtbl1q_u8(vlan_csum_map, vtag);
vtag = vorrq_u8(ptype, vtag);
/* convert L4 checksum correct type to vtag_hi */
vtag_hi = vqtbl1q_u8(vlan_csum_map_hi, vtag);
vtag_hi = vshrq_n_u8(vtag_hi, 7);
vol.word = vgetq_lane_u32(vreinterpretq_u32_u8(vtag), 0);
/* convert VP, IPE, L4E to vtag_lo */
vtag_lo = vqtbl1q_u8(vlan_csum_map_lo, vtag);
vtag_lo = vorrq_u8(ptype, vtag_lo);
vtag = vzipq_u8(vtag_lo, vtag_hi).val[0];
vol.word = vgetq_lane_u64(vreinterpretq_u64_u8(vtag), 0);
rx_pkts[0]->ol_flags = vol.e[0];
rx_pkts[1]->ol_flags = vol.e[1];