When no error reported in Rx descriptor, we should set
CKSUM_GOOD flag before return.
Fixes: 9966a00a0688 ("net/i40e: enable bad checksum flags in vector Rx")
Signed-off-by: Qi Zhang <qi.z.zh...@intel.com>
---
drivers/net/i40e/i40e_rxtx_vec_sse.c | 38 ++++++++++++++++++++++++++++--------
1 file changed, 30 insertions(+), 8 deletions(-)
diff --git a/drivers/net/i40e/i40e_rxtx_vec_sse.c
b/drivers/net/i40e/i40e_rxtx_vec_sse.c
index 7c84a41..2c4061c 100644
--- a/drivers/net/i40e/i40e_rxtx_vec_sse.c
+++ b/drivers/net/i40e/i40e_rxtx_vec_sse.c
@@ -148,6 +148,20 @@ desc_to_olflags_v(__m128i descs[4], struct rte_mbuf
**rx_pkts)
const __m128i rss_vlan_msk = _mm_set_epi32(
0x1c03804, 0x1c03804, 0x1c03804, 0x1c03804);
+ const __m128i cksum_mask = _mm_set_epi32(
+ 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 __m128i vlan_flags = _mm_set_epi8(0, 0, 0, 0,
0, 0, 0, 0,
@@ -160,14 +174,17 @@ desc_to_olflags_v(__m128i descs[4], struct rte_mbuf
**rx_pkts)
0, 0, PKT_RX_FDIR, 0);
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);
+ /* shift right 1 bit to make sure it not exceed 255 */
+ (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_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_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_IP_CKSUM_GOOD | PKT_RX_EIP_CKSUM_BAD) >> 1,
+ (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD) >> 1,
+ PKT_RX_IP_CKSUM_BAD >> 1,
+ (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> 1);
vlan0 = _mm_unpackhi_epi32(descs[0], descs[1]);
vlan1 = _mm_unpackhi_epi32(descs[2], descs[3]);
@@ -181,6 +198,10 @@ desc_to_olflags_v(__m128i descs[4], struct rte_mbuf
**rx_pkts)
l3_l4e = _mm_srli_epi32(vlan1, 22);
l3_l4e = _mm_shuffle_epi8(l3_l4e_flags, l3_l4e);
+ /* then we shift left 1 bit */
+ l3_l4e = _mm_slli_epi32(l3_l4e, 1);
+ /* we need to mask out the reduntant bits */
+ l3_l4e = _mm_and_si128(l3_l4e, cksum_mask);
vlan0 = _mm_or_si128(vlan0, rss);
vlan0 = _mm_or_si128(vlan0, l3_l4e);
@@ -189,6 +210,7 @@ desc_to_olflags_v(__m128i descs[4], struct rte_mbuf
**rx_pkts)
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);
+ printf("ol_flags = %lx\n", rx_pkts[0]->ol_flags);
}
#else
#define desc_to_olflags_v(desc, rx_pkts) do {} while (0)
--
2.7.4
