diff options
Diffstat (limited to 'dpdk')
| -rwxr-xr-x | dpdk/dpdk-16.04_patches/0013-Revert-ixgbe-fix-packet-type-from-vector-Rx.patch | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/dpdk/dpdk-16.04_patches/0013-Revert-ixgbe-fix-packet-type-from-vector-Rx.patch b/dpdk/dpdk-16.04_patches/0013-Revert-ixgbe-fix-packet-type-from-vector-Rx.patch new file mode 100755 index 00000000000..fca07a6f054 --- /dev/null +++ b/dpdk/dpdk-16.04_patches/0013-Revert-ixgbe-fix-packet-type-from-vector-Rx.patch @@ -0,0 +1,128 @@ +From 379d9246e60eb289edd911fbc27929cf73a038ac Mon Sep 17 00:00:00 2001 +From: Damjan Marion <damarion@cisco.com> +Date: Fri, 29 Apr 2016 19:51:35 +0200 +Subject: [PATCH] Revert "ixgbe: fix packet type from vector Rx" + +This reverts commit d9a2009a81089093645fea2e04b51dd37edf3e6f. +--- + drivers/net/ixgbe/ixgbe_ethdev.c | 4 +++- + drivers/net/ixgbe/ixgbe_rxtx_vec.c | 34 +++++++++++++++++++++++----------- + 2 files changed, 26 insertions(+), 12 deletions(-) + +diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c +index eec607c..b24cdbd 100644 +--- a/drivers/net/ixgbe/ixgbe_ethdev.c ++++ b/drivers/net/ixgbe/ixgbe_ethdev.c +@@ -2996,7 +2996,9 @@ ixgbe_dev_supported_ptypes_get(struct rte_eth_dev *dev) + if (dev->rx_pkt_burst == ixgbe_recv_pkts || + dev->rx_pkt_burst == ixgbe_recv_pkts_lro_single_alloc || + dev->rx_pkt_burst == ixgbe_recv_pkts_lro_bulk_alloc || +- dev->rx_pkt_burst == ixgbe_recv_pkts_bulk_alloc) ++ dev->rx_pkt_burst == ixgbe_recv_pkts_bulk_alloc || ++ dev->rx_pkt_burst == ixgbe_recv_pkts_vec || ++ dev->rx_pkt_burst == ixgbe_recv_scattered_pkts_vec) + return ptypes; + return NULL; + } +diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec.c b/drivers/net/ixgbe/ixgbe_rxtx_vec.c +index 5040704..ccd93c7 100644 +--- a/drivers/net/ixgbe/ixgbe_rxtx_vec.c ++++ b/drivers/net/ixgbe/ixgbe_rxtx_vec.c +@@ -220,6 +220,8 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, + 0, 0 /* ignore pkt_type field */ + ); + __m128i dd_check, eop_check; ++ __m128i desc_mask = _mm_set_epi32(0xFFFFFFFF, 0xFFFFFFFF, ++ 0xFFFFFFFF, 0xFFFF07F0); + + /* nb_pkts shall be less equal than RTE_IXGBE_MAX_RX_BURST */ + nb_pkts = RTE_MIN(nb_pkts, RTE_IXGBE_MAX_RX_BURST); +@@ -257,8 +259,9 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, + 13, 12, /* octet 12~13, 16 bits data_len */ + 0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */ + 13, 12, /* octet 12~13, low 16 bits pkt_len */ +- 0xFF, 0xFF, /* skip 32 bit pkt_type */ +- 0xFF, 0xFF ++ 0xFF, 0xFF, /* skip high 16 bits pkt_type */ ++ 1, /* octet 1, 8 bits pkt_type field */ ++ 0 /* octet 0, 4 bits offset 4 pkt_type field */ + ); + + /* Cache is empty -> need to scan the buffer rings, but first move +@@ -275,6 +278,7 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, + for (pos = 0, nb_pkts_recd = 0; pos < nb_pkts; + pos += RTE_IXGBE_DESCS_PER_LOOP, + rxdp += RTE_IXGBE_DESCS_PER_LOOP) { ++ __m128i descs0[RTE_IXGBE_DESCS_PER_LOOP]; + __m128i descs[RTE_IXGBE_DESCS_PER_LOOP]; + __m128i pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4; + __m128i zero, staterr, sterr_tmp1, sterr_tmp2; +@@ -285,7 +289,7 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, + + /* Read desc statuses backwards to avoid race condition */ + /* A.1 load 4 pkts desc */ +- descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3)); ++ descs0[3] = _mm_loadu_si128((__m128i *)(rxdp + 3)); + + /* B.2 copy 2 mbuf point into rx_pkts */ + _mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1); +@@ -293,10 +297,10 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, + /* B.1 load 1 mbuf point */ + mbp2 = _mm_loadu_si128((__m128i *)&sw_ring[pos+2]); + +- descs[2] = _mm_loadu_si128((__m128i *)(rxdp + 2)); ++ descs0[2] = _mm_loadu_si128((__m128i *)(rxdp + 2)); + /* B.1 load 2 mbuf point */ +- descs[1] = _mm_loadu_si128((__m128i *)(rxdp + 1)); +- descs[0] = _mm_loadu_si128((__m128i *)(rxdp)); ++ descs0[1] = _mm_loadu_si128((__m128i *)(rxdp + 1)); ++ descs0[0] = _mm_loadu_si128((__m128i *)(rxdp)); + + /* B.2 copy 2 mbuf point into rx_pkts */ + _mm_storeu_si128((__m128i *)&rx_pkts[pos+2], mbp2); +@@ -308,6 +312,14 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, + rte_prefetch0(&rx_pkts[pos + 3]->cacheline1); + } + ++ /* A* mask out 0~3 bits RSS type */ ++ descs[3] = _mm_and_si128(descs0[3], desc_mask); ++ descs[2] = _mm_and_si128(descs0[2], desc_mask); ++ ++ /* A* mask out 0~3 bits RSS type */ ++ descs[1] = _mm_and_si128(descs0[1], desc_mask); ++ descs[0] = _mm_and_si128(descs0[0], desc_mask); ++ + /* avoid compiler reorder optimization */ + rte_compiler_barrier(); + +@@ -315,22 +327,22 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, + pkt_mb4 = _mm_shuffle_epi8(descs[3], shuf_msk); + pkt_mb3 = _mm_shuffle_epi8(descs[2], shuf_msk); + +- /* D.1 pkt 1,2 convert format from desc to pktmbuf */ +- pkt_mb2 = _mm_shuffle_epi8(descs[1], shuf_msk); +- pkt_mb1 = _mm_shuffle_epi8(descs[0], shuf_msk); +- + /* C.1 4=>2 filter staterr info only */ + sterr_tmp2 = _mm_unpackhi_epi32(descs[3], descs[2]); + /* C.1 4=>2 filter staterr info only */ + sterr_tmp1 = _mm_unpackhi_epi32(descs[1], descs[0]); + + /* set ol_flags with vlan packet type */ +- desc_to_olflags_v(descs, &rx_pkts[pos]); ++ desc_to_olflags_v(descs0, &rx_pkts[pos]); + + /* D.2 pkt 3,4 set in_port/nb_seg and remove crc */ + pkt_mb4 = _mm_add_epi16(pkt_mb4, crc_adjust); + pkt_mb3 = _mm_add_epi16(pkt_mb3, crc_adjust); + ++ /* D.1 pkt 1,2 convert format from desc to pktmbuf */ ++ pkt_mb2 = _mm_shuffle_epi8(descs[1], shuf_msk); ++ pkt_mb1 = _mm_shuffle_epi8(descs[0], shuf_msk); ++ + /* C.2 get 4 pkts staterr value */ + zero = _mm_xor_si128(dd_check, dd_check); + staterr = _mm_unpacklo_epi32(sterr_tmp1, sterr_tmp2); +-- +2.7.4 + |