diff options
Diffstat (limited to 'src/dpdk/drivers/net/fm10k/fm10k_rxtx_vec.c')
| -rw-r--r-- | src/dpdk/drivers/net/fm10k/fm10k_rxtx_vec.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/src/dpdk/drivers/net/fm10k/fm10k_rxtx_vec.c b/src/dpdk/drivers/net/fm10k/fm10k_rxtx_vec.c index 9ea747e1..27f3e43f 100644 --- a/src/dpdk/drivers/net/fm10k/fm10k_rxtx_vec.c +++ b/src/dpdk/drivers/net/fm10k/fm10k_rxtx_vec.c @@ -67,6 +67,8 @@ fm10k_reset_tx_queue(struct fm10k_tx_queue *txq); #define RXEFLAG_SHIFT (13) /* IPE/L4E flag shift */ #define L3L4EFLAG_SHIFT (14) +/* shift PKT_RX_L4_CKSUM_GOOD into one byte by 1 bit */ +#define CKSUM_SHIFT (1) static inline void fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) @@ -92,11 +94,18 @@ fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) 0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0001, 0x0001, 0x0001); + /* mask the lower byte of ol_flags */ + const __m128i ol_flags_msk = _mm_set_epi16( + 0x0000, 0x0000, 0x0000, 0x0000, + 0x00FF, 0x00FF, 0x00FF, 0x00FF); + 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) >> CKSUM_SHIFT, + (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD) >> CKSUM_SHIFT, + (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD) >> CKSUM_SHIFT, + (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> CKSUM_SHIFT); const __m128i rxe_flag = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0, @@ -139,6 +148,10 @@ 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); + + /* clean the higher byte and shift back the flag bits */ + cksumflag = _mm_and_si128(cksumflag, ol_flags_msk); + cksumflag = _mm_slli_epi16(cksumflag, CKSUM_SHIFT); vtag1 = _mm_or_si128(cksumflag, vtag1); vol.dword = _mm_cvtsi128_si64(vtag1); @@ -234,11 +247,8 @@ fm10k_rx_vec_condition_check(struct rte_eth_dev *dev) if (fconf->mode != RTE_FDIR_MODE_NONE) return -1; - /* - no csum error report support - * - no header split support - */ - if (rxmode->hw_ip_checksum == 1 || - rxmode->header_split == 1) + /* no header split support */ + if (rxmode->header_split == 1) return -1; return 0; @@ -406,7 +416,7 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, */ rxdp = rxq->hw_ring + next_dd; - _mm_prefetch((const void *)rxdp, _MM_HINT_T0); + rte_prefetch0(rxdp); /* See if we need to rearm the RX queue - gives the prefetch a bit * of time to act @@ -468,6 +478,7 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, /* Read desc statuses backwards to avoid race condition */ /* A.1 load 4 pkts desc */ descs0[3] = _mm_loadu_si128((__m128i *)(rxdp + 3)); + rte_compiler_barrier(); /* B.2 copy 2 mbuf point into rx_pkts */ _mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1); @@ -476,8 +487,10 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, mbp2 = _mm_loadu_si128((__m128i *)&mbufp[pos+2]); descs0[2] = _mm_loadu_si128((__m128i *)(rxdp + 2)); + rte_compiler_barrier(); /* B.1 load 2 mbuf point */ descs0[1] = _mm_loadu_si128((__m128i *)(rxdp + 1)); + rte_compiler_barrier(); descs0[0] = _mm_loadu_si128((__m128i *)(rxdp)); /* B.2 copy 2 mbuf point into rx_pkts */ |