From: Xiao Wang <xiao.w.wang@intel.com>
To: dev@dpdk.org
Cc: jing.d.chen@intel.com, olivier.matz@6wind.com,
Xiao Wang <xiao.w.wang@intel.com>
Subject: [dpdk-dev] [PATCH v2 4/5] net/ixgbe: implement new Rx checksum flag
Date: Tue, 6 Sep 2016 09:27:31 +0800 [thread overview]
Message-ID: <1473125252-32201-5-git-send-email-xiao.w.wang@intel.com> (raw)
In-Reply-To: <1473125252-32201-1-git-send-email-xiao.w.wang@intel.com>
Add CKSUM_GOOD flag to distinguish a good checksum from an unknown one.
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
---
drivers/net/ixgbe/ixgbe_rxtx.c | 4 +++-
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | 30 ++++++++++++++++++++++++------
2 files changed, 27 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index 8a306b0..d2dc82a 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -1345,7 +1345,9 @@ rx_desc_error_to_pkt_flags(uint32_t rx_status)
* Bit 30: L4I, L4I integrity error
*/
static uint64_t error_to_pkt_flags_map[4] = {
- 0, PKT_RX_L4_CKSUM_BAD, PKT_RX_IP_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD,
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD,
PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD
};
pkt_flags = error_to_pkt_flags_map[(rx_status >>
diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
index dc5657e..7929593 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
@@ -156,6 +156,11 @@ desc_to_olflags_v(__m128i descs[4], uint8_t vlan_flags,
0x0000, 0x0000, 0x0000, 0x0000,
0x000F, 0x000F, 0x000F, 0x000F);
+ /* mask the lower byte of ol_flags */
+ const __m128i ol_flags_msk = _mm_set_epi16(
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x00FF, 0x00FF, 0x00FF, 0x00FF);
+
/* 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,
@@ -171,17 +176,25 @@ desc_to_olflags_v(__m128i descs[4], uint8_t vlan_flags,
IXGBE_RXD_STAT_VP, IXGBE_RXD_STAT_VP,
IXGBE_RXD_STAT_VP, IXGBE_RXD_STAT_VP);
/* map vlan present (0x8), IPE (0x2), L4E (0x1) to ol_flags */
- const __m128i vlan_csum_map = _mm_set_epi8(
+ const __m128i vlan_csum_map_lo = _mm_set_epi8(
0, 0, 0, 0,
vlan_flags | PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
vlan_flags | PKT_RX_IP_CKSUM_BAD,
- vlan_flags | PKT_RX_L4_CKSUM_BAD,
- vlan_flags,
+ vlan_flags | PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
+ vlan_flags | PKT_RX_IP_CKSUM_GOOD,
0, 0, 0, 0,
PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
PKT_RX_IP_CKSUM_BAD,
- PKT_RX_L4_CKSUM_BAD,
- 0);
+ PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_GOOD);
+
+ const __m128i vlan_csum_map_hi = _mm_set_epi8(
+ 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, PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
+ PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t));
ptype0 = _mm_unpacklo_epi16(descs[0], descs[1]);
ptype1 = _mm_unpacklo_epi16(descs[2], descs[3]);
@@ -207,7 +220,12 @@ desc_to_olflags_v(__m128i descs[4], uint8_t vlan_flags,
vtag1 = _mm_or_si128(csum, vtag1);
/* convert VP, IPE, L4E to ol_flags */
- vtag1 = _mm_shuffle_epi8(vlan_csum_map, vtag1);
+ vtag0 = _mm_shuffle_epi8(vlan_csum_map_hi, vtag1);
+ vtag0 = _mm_slli_epi16(vtag0, sizeof(uint8_t));
+
+ vtag1 = _mm_shuffle_epi8(vlan_csum_map_lo, vtag1);
+ vtag1 = _mm_and_si128(vtag1, ol_flags_msk);
+ vtag1 = _mm_or_si128(vtag0, vtag1);
vtag1 = _mm_or_si128(ptype0, vtag1);
vol.dword = _mm_cvtsi128_si64(vtag1);
--
1.9.3
next prev parent reply other threads:[~2016-09-06 1:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-06 1:27 [dpdk-dev] [PATCH v2 0/5] " Xiao Wang
2016-09-06 1:27 ` [dpdk-dev] [PATCH v2 1/5] net/fm10k: fix Rx checksum flags Xiao Wang
2016-09-06 1:27 ` [dpdk-dev] [PATCH v2 2/5] net/fm10k: implement new Rx checksum flag Xiao Wang
2016-09-06 1:27 ` [dpdk-dev] [PATCH v2 3/5] net/e1000: " Xiao Wang
2016-09-06 1:27 ` Xiao Wang [this message]
2016-09-06 1:27 ` [dpdk-dev] [PATCH v2 5/5] net/i40e: " Xiao Wang
2016-09-14 5:41 ` [dpdk-dev] [PATCH v2 0/5] " Chen, Jing D
2016-10-13 23:37 ` Thomas Monjalon
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