net/mlx5: optimize header modify action memory

[dpdk.git] / drivers / net / ixgbe / ixgbe_rxtx_vec_sse.c

diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
index 9bbffe6..7610fd9 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
@@ -132,9 +132,9 @@ desc_to_olflags_v_ipsec(__m128i descs[4], struct rte_mbuf **rx_pkts)
 
 static inline void
 desc_to_olflags_v(__m128i descs[4], __m128i mbuf_init, uint8_t vlan_flags,
-       struct rte_mbuf **rx_pkts)
+                 uint16_t udp_p_flag, struct rte_mbuf **rx_pkts)
 {
-       __m128i ptype0, ptype1, vtag0, vtag1, csum;
+       __m128i ptype0, ptype1, vtag0, vtag1, csum, udp_csum_skip;
        __m128i rearm0, rearm1, rearm2, rearm3;
 
        /* mask everything except rss type */
@@ -161,6 +161,7 @@ desc_to_olflags_v(__m128i descs[4], __m128i mbuf_init, uint8_t vlan_flags,
                (IXGBE_RXDADV_ERR_TCPE | IXGBE_RXDADV_ERR_IPE) >> 16,
                IXGBE_RXD_STAT_VP, IXGBE_RXD_STAT_VP,
                IXGBE_RXD_STAT_VP, IXGBE_RXD_STAT_VP);
+
        /* map vlan present (0x8), IPE (0x2), L4E (0x1) to ol_flags */
        const __m128i vlan_csum_map_lo = _mm_set_epi8(
                0, 0, 0, 0,
@@ -182,12 +183,23 @@ desc_to_olflags_v(__m128i descs[4], __m128i mbuf_init, uint8_t vlan_flags,
                0, PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
                PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t));
 
+       /* mask everything except UDP header present if specified */
+       const __m128i udp_hdr_p_msk = _mm_set_epi16
+               (0, 0, 0, 0,
+                udp_p_flag, udp_p_flag, udp_p_flag, udp_p_flag);
+
+       const __m128i udp_csum_bad_shuf = _mm_set_epi8
+               (0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, ~(uint8_t)PKT_RX_L4_CKSUM_BAD, 0xFF);
+
        ptype0 = _mm_unpacklo_epi16(descs[0], descs[1]);
        ptype1 = _mm_unpacklo_epi16(descs[2], descs[3]);
        vtag0 = _mm_unpackhi_epi16(descs[0], descs[1]);
        vtag1 = _mm_unpackhi_epi16(descs[2], descs[3]);
 
        ptype0 = _mm_unpacklo_epi32(ptype0, ptype1);
+       /* save the UDP header present information */
+       udp_csum_skip = _mm_and_si128(ptype0, udp_hdr_p_msk);
        ptype0 = _mm_and_si128(ptype0, rsstype_msk);
        ptype0 = _mm_shuffle_epi8(rss_flags, ptype0);
 
@@ -215,6 +227,15 @@ desc_to_olflags_v(__m128i descs[4], __m128i mbuf_init, uint8_t vlan_flags,
 
        vtag1 = _mm_or_si128(ptype0, vtag1);
 
+       /* convert the UDP header present 0x200 to 0x1 for aligning with each
+        * PKT_RX_L4_CKSUM_BAD value in low byte of 16 bits word ol_flag in
+        * vtag1 (4x16). Then mask out the bad checksum value by shuffle and
+        * bit-mask.
+        */
+       udp_csum_skip = _mm_srli_epi16(udp_csum_skip, 9);
+       udp_csum_skip = _mm_shuffle_epi8(udp_csum_bad_shuf, udp_csum_skip);
+       vtag1 = _mm_and_si128(vtag1, udp_csum_skip);
+
        /*
         * At this point, we have the 4 sets of flags in the low 64-bits
         * of vtag1 (4x16).
@@ -341,6 +362,7 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
        __m128i dd_check, eop_check;
        __m128i mbuf_init;
        uint8_t vlan_flags;
+       uint16_t udp_p_flag = 0; /* Rx Descriptor UDP header present */
 
        /* nb_pkts has to be floor-aligned to RTE_IXGBE_DESCS_PER_LOOP */
        nb_pkts = RTE_ALIGN_FLOOR(nb_pkts, RTE_IXGBE_DESCS_PER_LOOP);
@@ -365,6 +387,9 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
                                rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD)))
                return 0;
 
+       if (rxq->rx_udp_csum_zero_err)
+               udp_p_flag = IXGBE_RXDADV_PKTTYPE_UDP;
+
        /* 4 packets DD mask */
        dd_check = _mm_set_epi64x(0x0000000100000001LL, 0x0000000100000001LL);
 
@@ -477,7 +502,8 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
                sterr_tmp1 = _mm_unpackhi_epi32(descs[1], descs[0]);
 
                /* set ol_flags with vlan packet type */
-               desc_to_olflags_v(descs, mbuf_init, vlan_flags, &rx_pkts[pos]);
+               desc_to_olflags_v(descs, mbuf_init, vlan_flags, udp_p_flag,
+                                 &rx_pkts[pos]);
 
 #ifdef RTE_LIB_SECURITY
                if (unlikely(use_ipsec))