[PATCH 2/5] net/fm10k: implement new Rx checksum flag
From: Xiao Wang <hidden>
Date: 2016-08-25 17:48:40
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add CKSUM_GOOD flag to distinguish a good checksum from an unknown one. Signed-off-by: Xiao Wang <redacted> --- drivers/net/fm10k/fm10k_rxtx.c | 4 ++++ drivers/net/fm10k/fm10k_rxtx_vec.c | 7 +++++-- 2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/fm10k/fm10k_rxtx.c b/drivers/net/fm10k/fm10k_rxtx.c
index bf5888b..32cc7ff 100644
--- a/drivers/net/fm10k/fm10k_rxtx.c
+++ b/drivers/net/fm10k/fm10k_rxtx.c@@ -101,11 +101,15 @@ rx_desc_to_ol_flags(struct rte_mbuf *m, const union fm10k_rx_desc *d) (FM10K_RXD_STATUS_IPCS | FM10K_RXD_STATUS_IPE)) == (FM10K_RXD_STATUS_IPCS | FM10K_RXD_STATUS_IPE))) m->ol_flags |= PKT_RX_IP_CKSUM_BAD; + else + m->ol_flags |= PKT_RX_IP_CKSUM_GOOD; if (unlikely((d->d.staterr & (FM10K_RXD_STATUS_L4CS | FM10K_RXD_STATUS_L4E)) == (FM10K_RXD_STATUS_L4CS | FM10K_RXD_STATUS_L4E))) m->ol_flags |= PKT_RX_L4_CKSUM_BAD; + else + m->ol_flags |= PKT_RX_L4_CKSUM_GOOD; } uint16_t
diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c
index 9ea747e..8c08b44 100644
--- a/drivers/net/fm10k/fm10k_rxtx_vec.c
+++ b/drivers/net/fm10k/fm10k_rxtx_vec.c@@ -95,8 +95,10 @@ fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) const __m128i l3l4cksum_flag = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0, 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_BAD | PKT_RX_L4_CKSUM_BAD) >> 1, + (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD) >> 1, + (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD) >> 1, + (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> 1); const __m128i rxe_flag = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0,
@@ -139,6 +141,7 @@ fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) /* Process L4/L3 checksum error flags */ cksumflag = _mm_srli_epi16(cksumflag, L3L4EFLAG_SHIFT); cksumflag = _mm_shuffle_epi8(l3l4cksum_flag, cksumflag); + cksumflag = _mm_slli_epi16(cksumflag, 1); vtag1 = _mm_or_si128(cksumflag, vtag1); vol.dword = _mm_cvtsi128_si64(vtag1);
--
1.9.3