X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fice%2Fice_rxtx_vec_avx2.c;h=1cc54903c66fa4d5982094ad9e774ae7c3620301;hb=e8a419d6de4b251e84a36d09e388942283d09adf;hp=b65380516004b9579cb89b0854ac7ea0d609ee76;hpb=4be717272e5f73ca14b0a029b1449977c75cf994;p=dpdk.git diff --git a/drivers/net/ice/ice_rxtx_vec_avx2.c b/drivers/net/ice/ice_rxtx_vec_avx2.c index b653805160..1cc54903c6 100644 --- a/drivers/net/ice/ice_rxtx_vec_avx2.c +++ b/drivers/net/ice/ice_rxtx_vec_avx2.c @@ -129,7 +129,26 @@ ice_rxq_rearm(struct ice_rx_queue *rxq) (rxq->nb_rx_desc - 1) : (rxq->rxrearm_start - 1)); /* Update the tail pointer on the NIC */ - ICE_PCI_REG_WRITE(rxq->qrx_tail, rx_id); + ICE_PCI_REG_WC_WRITE(rxq->qrx_tail, rx_id); +} + +static inline __m256i +ice_flex_rxd_to_fdir_flags_vec_avx2(const __m256i fdir_id0_7) +{ +#define FDID_MIS_MAGIC 0xFFFFFFFF + RTE_BUILD_BUG_ON(PKT_RX_FDIR != (1 << 2)); + RTE_BUILD_BUG_ON(PKT_RX_FDIR_ID != (1 << 13)); + const __m256i pkt_fdir_bit = _mm256_set1_epi32(PKT_RX_FDIR | + PKT_RX_FDIR_ID); + /* desc->flow_id field == 0xFFFFFFFF means fdir mismatch */ + const __m256i fdir_mis_mask = _mm256_set1_epi32(FDID_MIS_MAGIC); + __m256i fdir_mask = _mm256_cmpeq_epi32(fdir_id0_7, + fdir_mis_mask); + /* this XOR op results to bit-reverse the fdir_mask */ + fdir_mask = _mm256_xor_si256(fdir_mask, fdir_mis_mask); + const __m256i fdir_flags = _mm256_and_si256(fdir_mask, pkt_fdir_bit); + + return fdir_flags; } static inline uint16_t @@ -191,8 +210,8 @@ _ice_recv_raw_pkts_vec_avx2(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts, const __m256i shuf_msk = _mm256_set_epi8 (/* first descriptor */ - 15, 14, - 13, 12, /* octet 12~15, 32 bits rss */ + 0xFF, 0xFF, + 0xFF, 0xFF, /* rss hash parsed separately */ 11, 10, /* octet 10~11, 16 bits vlan_macip */ 5, 4, /* octet 4~5, 16 bits data_len */ 0xFF, 0xFF, /* skip hi 16 bits pkt_len, zero out */ @@ -200,8 +219,8 @@ _ice_recv_raw_pkts_vec_avx2(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts, 0xFF, 0xFF, /* pkt_type set as unknown */ 0xFF, 0xFF, /*pkt_type set as unknown */ /* second descriptor */ - 15, 14, - 13, 12, /* octet 12~15, 32 bits rss */ + 0xFF, 0xFF, + 0xFF, 0xFF, /* rss hash parsed separately */ 11, 10, /* octet 10~11, 16 bits vlan_macip */ 5, 4, /* octet 4~5, 16 bits data_len */ 0xFF, 0xFF, /* skip hi 16 bits pkt_len, zero out */ @@ -232,43 +251,88 @@ _ice_recv_raw_pkts_vec_avx2(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts, * bit13 is for VLAN indication. */ const __m256i flags_mask = - _mm256_set1_epi32((7 << 4) | (1 << 12) | (1 << 13)); + _mm256_set1_epi32((0xF << 4) | (1 << 12) | (1 << 13)); /** * data to be shuffled by the result of the flags mask shifted by 4 * bits. This gives use the l3_l4 flags. */ - const __m256i l3_l4_flags_shuf = _mm256_set_epi8(0, 0, 0, 0, 0, 0, 0, 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_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD | - PKT_RX_IP_CKSUM_GOOD) >> 1, - (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD | - PKT_RX_IP_CKSUM_BAD) >> 1, - (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD | - PKT_RX_IP_CKSUM_GOOD) >> 1, - (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1, - (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1, - (PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1, - (PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1, - /* second 128-bits */ - 0, 0, 0, 0, 0, 0, 0, 0, - (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD | - PKT_RX_IP_CKSUM_BAD) >> 1, - (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD | - PKT_RX_IP_CKSUM_GOOD) >> 1, - (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD | - PKT_RX_IP_CKSUM_BAD) >> 1, - (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD | - PKT_RX_IP_CKSUM_GOOD) >> 1, - (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1, - (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1, - (PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1, - (PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1); + const __m256i l3_l4_flags_shuf = + _mm256_set_epi8((PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | + PKT_RX_OUTER_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_GOOD) >> 1, + /** + * second 128-bits + * shift right 20 bits to use the low two bits to indicate + * outer checksum status + * shift right 1 bit to make sure it not exceed 255 + */ + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD | + PKT_RX_IP_CKSUM_GOOD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_BAD) >> 1, + (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD | + PKT_RX_IP_CKSUM_GOOD) >> 1); const __m256i cksum_mask = - _mm256_set1_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); + _mm256_set1_epi32(PKT_RX_IP_CKSUM_MASK | + PKT_RX_L4_CKSUM_MASK | + PKT_RX_OUTER_IP_CKSUM_BAD | + PKT_RX_OUTER_L4_CKSUM_MASK); /** * data to be shuffled by result of flag mask, shifted down 12. * If RSS(bit12)/VLAN(bit13) are set, @@ -450,6 +514,15 @@ _ice_recv_raw_pkts_vec_avx2(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts, __m256i l3_l4_flags = _mm256_shuffle_epi8(l3_l4_flags_shuf, _mm256_srli_epi32(flag_bits, 4)); l3_l4_flags = _mm256_slli_epi32(l3_l4_flags, 1); + + __m256i l4_outer_mask = _mm256_set1_epi32(0x6); + __m256i l4_outer_flags = + _mm256_and_si256(l3_l4_flags, l4_outer_mask); + l4_outer_flags = _mm256_slli_epi32(l4_outer_flags, 20); + + __m256i l3_l4_mask = _mm256_set1_epi32(~0x6); + l3_l4_flags = _mm256_and_si256(l3_l4_flags, l3_l4_mask); + l3_l4_flags = _mm256_or_si256(l3_l4_flags, l4_outer_flags); l3_l4_flags = _mm256_and_si256(l3_l4_flags, cksum_mask); /* set rss and vlan flags */ const __m256i rss_vlan_flag_bits = @@ -459,8 +532,141 @@ _ice_recv_raw_pkts_vec_avx2(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts, rss_vlan_flag_bits); /* merge flags */ - const __m256i mbuf_flags = _mm256_or_si256(l3_l4_flags, + __m256i mbuf_flags = _mm256_or_si256(l3_l4_flags, rss_vlan_flags); + + if (rxq->fdir_enabled) { + const __m256i fdir_id4_7 = + _mm256_unpackhi_epi32(raw_desc6_7, raw_desc4_5); + + const __m256i fdir_id0_3 = + _mm256_unpackhi_epi32(raw_desc2_3, raw_desc0_1); + + const __m256i fdir_id0_7 = + _mm256_unpackhi_epi64(fdir_id4_7, fdir_id0_3); + + const __m256i fdir_flags = + ice_flex_rxd_to_fdir_flags_vec_avx2(fdir_id0_7); + + /* merge with fdir_flags */ + mbuf_flags = _mm256_or_si256(mbuf_flags, fdir_flags); + + /* write to mbuf: have to use scalar store here */ + rx_pkts[i + 0]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 3); + + rx_pkts[i + 1]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 7); + + rx_pkts[i + 2]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 2); + + rx_pkts[i + 3]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 6); + + rx_pkts[i + 4]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 1); + + rx_pkts[i + 5]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 5); + + rx_pkts[i + 6]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 0); + + rx_pkts[i + 7]->hash.fdir.hi = + _mm256_extract_epi32(fdir_id0_7, 4); + } /* if() on fdir_enabled */ + +#ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC + /** + * needs to load 2nd 16B of each desc for RSS hash parsing, + * will cause performance drop to get into this context. + */ + if (rxq->vsi->adapter->eth_dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_RSS_HASH) { + /* load bottom half of every 32B desc */ + const __m128i raw_desc_bh7 = + _mm_load_si128 + ((void *)(&rxdp[7].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh6 = + _mm_load_si128 + ((void *)(&rxdp[6].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh5 = + _mm_load_si128 + ((void *)(&rxdp[5].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh4 = + _mm_load_si128 + ((void *)(&rxdp[4].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh3 = + _mm_load_si128 + ((void *)(&rxdp[3].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh2 = + _mm_load_si128 + ((void *)(&rxdp[2].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh1 = + _mm_load_si128 + ((void *)(&rxdp[1].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh0 = + _mm_load_si128 + ((void *)(&rxdp[0].wb.status_error1)); + + __m256i raw_desc_bh6_7 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh6), + raw_desc_bh7, 1); + __m256i raw_desc_bh4_5 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh4), + raw_desc_bh5, 1); + __m256i raw_desc_bh2_3 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh2), + raw_desc_bh3, 1); + __m256i raw_desc_bh0_1 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh0), + raw_desc_bh1, 1); + + /** + * to shift the 32b RSS hash value to the + * highest 32b of each 128b before mask + */ + __m256i rss_hash6_7 = + _mm256_slli_epi64(raw_desc_bh6_7, 32); + __m256i rss_hash4_5 = + _mm256_slli_epi64(raw_desc_bh4_5, 32); + __m256i rss_hash2_3 = + _mm256_slli_epi64(raw_desc_bh2_3, 32); + __m256i rss_hash0_1 = + _mm256_slli_epi64(raw_desc_bh0_1, 32); + + __m256i rss_hash_msk = + _mm256_set_epi32(0xFFFFFFFF, 0, 0, 0, + 0xFFFFFFFF, 0, 0, 0); + + rss_hash6_7 = _mm256_and_si256 + (rss_hash6_7, rss_hash_msk); + rss_hash4_5 = _mm256_and_si256 + (rss_hash4_5, rss_hash_msk); + rss_hash2_3 = _mm256_and_si256 + (rss_hash2_3, rss_hash_msk); + rss_hash0_1 = _mm256_and_si256 + (rss_hash0_1, rss_hash_msk); + + mb6_7 = _mm256_or_si256(mb6_7, rss_hash6_7); + mb4_5 = _mm256_or_si256(mb4_5, rss_hash4_5); + mb2_3 = _mm256_or_si256(mb2_3, rss_hash2_3); + mb0_1 = _mm256_or_si256(mb0_1, rss_hash0_1); + } /* if() on RSS hash parsing */ +#endif + /** * At this point, we have the 8 sets of flags in the low 16-bits * of each 32-bit value in vlan0. @@ -810,7 +1016,7 @@ ice_xmit_fixed_burst_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts, txq->tx_tail = tx_id; - ICE_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail); + ICE_PCI_REG_WC_WRITE(txq->qtx_tail, txq->tx_tail); return nb_pkts; }