From 5917bd1cf9857979a7cae89f362d2c885f09d034 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Thu, 14 Jul 2016 09:59:02 -0700 Subject: [PATCH 2/2] i40e: Enable bad checksum flags in i40e vPMD Decode the checksum flags from the rx descriptor, setting the appropriate bit in the mbuf ol_flags field when the flag indicates a bad checksum. Signed-off-by: Damjan Marion Signed-off-by: Jeff Shaw --- drivers/net/i40e/i40e_rxtx_vec.c | 48 +++++++++++++++++++++++----------------- 1 file changed, 28 insertions(+), 20 deletions(-) diff --git a/drivers/net/i40e/i40e_rxtx_vec.c b/drivers/net/i40e/i40e_rxtx_vec.c index e78ac63..ace51df 100644 --- a/drivers/net/i40e/i40e_rxtx_vec.c +++ b/drivers/net/i40e/i40e_rxtx_vec.c @@ -138,19 +138,14 @@ i40e_rxq_rearm(struct i40e_rx_queue *rxq) static inline void desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) { - __m128i vlan0, vlan1, rss; - union { - uint16_t e[4]; - uint64_t dword; - } vol; + __m128i vlan0, vlan1, rss, l3_l4e; /* 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 __m128i rss_vlan_msk = _mm_set_epi16( - 0x0000, 0x0000, 0x0000, 0x0000, - 0x3804, 0x3804, 0x3804, 0x3804); + const __m128i rss_vlan_msk = _mm_set_epi32( + 0x1c03004, 0x1c03004, 0x1c03004, 0x1c03004); /* map rss and vlan type to rss hash and vlan flag */ const __m128i vlan_flags = _mm_set_epi8(0, 0, 0, 0, @@ -163,23 +158,36 @@ desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) PKT_RX_RSS_HASH | PKT_RX_FDIR, PKT_RX_RSS_HASH, 0, 0, 0, 0, PKT_RX_FDIR, 0); - vlan0 = _mm_unpackhi_epi16(descs[0], descs[1]); - vlan1 = _mm_unpackhi_epi16(descs[2], descs[3]); - vlan0 = _mm_unpacklo_epi32(vlan0, vlan1); + 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); + + vlan0 = _mm_unpackhi_epi32(descs[0], descs[1]); + vlan1 = _mm_unpackhi_epi32(descs[2], descs[3]); + vlan0 = _mm_unpacklo_epi64(vlan0, vlan1); vlan1 = _mm_and_si128(vlan0, rss_vlan_msk); vlan0 = _mm_shuffle_epi8(vlan_flags, vlan1); - rss = _mm_srli_epi16(vlan1, 11); + rss = _mm_srli_epi32(vlan1, 12); rss = _mm_shuffle_epi8(rss_flags, rss); + l3_l4e = _mm_srli_epi32(vlan1, 22); + l3_l4e = _mm_shuffle_epi8(l3_l4e_flags, l3_l4e); + vlan0 = _mm_or_si128(vlan0, rss); - vol.dword = _mm_cvtsi128_si64(vlan0); + vlan0 = _mm_or_si128(vlan0, l3_l4e); - rx_pkts[0]->ol_flags = vol.e[0]; - rx_pkts[1]->ol_flags = vol.e[1]; - rx_pkts[2]->ol_flags = vol.e[2]; - rx_pkts[3]->ol_flags = vol.e[3]; + rx_pkts[0]->ol_flags = _mm_extract_epi16(vlan0, 0); + 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); } #else #define desc_to_olflags_v(desc, rx_pkts) do {} while (0) @@ -754,7 +762,8 @@ i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev) #ifndef RTE_LIBRTE_I40E_RX_OLFLAGS_ENABLE /* whithout rx ol_flags, no VP flag report */ if (rxmode->hw_vlan_strip != 0 || - rxmode->hw_vlan_extend != 0) + rxmode->hw_vlan_extend != 0 || + rxmode->hw_ip_checksum != 0) return -1; #endif @@ -765,8 +774,7 @@ i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev) /* - no csum error report support * - no header split support */ - if (rxmode->hw_ip_checksum == 1 || - rxmode->header_split == 1) + if (rxmode->header_split == 1) return -1; return 0; -- 2.7.4