mbuf: remove UDP tunnel flag

[dpdk.git] / lib / librte_pmd_i40e / i40e_rxtx.c

diff --git a/lib/librte_pmd_i40e/i40e_rxtx.c b/lib/librte_pmd_i40e/i40e_rxtx.c
index 2d2ef04..d2f9a97 100644 (file)
--- a/lib/librte_pmd_i40e/i40e_rxtx.c
+++ b/lib/librte_pmd_i40e/i40e_rxtx.c
@@ -74,6 +74,11 @@
 
 #define I40E_TXD_CMD (I40E_TX_DESC_CMD_EOP | I40E_TX_DESC_CMD_RS)
 
+#define I40E_TX_CKSUM_OFFLOAD_MASK (            \
+               PKT_TX_IP_CKSUM |                \
+               PKT_TX_L4_MASK |                 \
+               PKT_TX_OUTER_IP_CKSUM)
+
 #define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
        (uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
 
@@ -424,13 +429,9 @@ static inline uint64_t
 i40e_rxd_build_fdir(volatile union i40e_rx_desc *rxdp, struct rte_mbuf *mb)
 {
        uint64_t flags = 0;
+#ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
        uint16_t flexbh, flexbl;
 
-#ifdef RTE_LIBRTE_I40E_16BYTE_RX_DESC
-       mb->hash.fdir.hi =
-               rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.fd);
-       flags |= PKT_RX_FDIR_ID;
-#else
        flexbh = (rte_le_to_cpu_32(rxdp->wb.qword2.ext_status) >>
                I40E_RX_DESC_EXT_STATUS_FLEXBH_SHIFT) &
                I40E_RX_DESC_EXT_STATUS_FLEXBH_MASK;
@@ -453,6 +454,10 @@ i40e_rxd_build_fdir(volatile union i40e_rx_desc *rxdp, struct rte_mbuf *mb)
                        rte_le_to_cpu_32(rxdp->wb.qword3.lo_dword.flex_bytes_lo);
                flags |= PKT_RX_FDIR_FLX;
        }
+#else
+       mb->hash.fdir.hi =
+               rte_le_to_cpu_32(rxdp->wb.qword0.hi_dword.fd_id);
+       flags |= PKT_RX_FDIR_ID;
 #endif
        return flags;
 }
@@ -462,44 +467,45 @@ i40e_txd_enable_checksum(uint64_t ol_flags,
                        uint32_t *td_offset,
                        uint8_t l2_len,
                        uint16_t l3_len,
-                       uint8_t inner_l2_len,
-                       uint16_t inner_l3_len,
+                       uint8_t outer_l2_len,
+                       uint16_t outer_l3_len,
                        uint32_t *cd_tunneling)
 {
        if (!l2_len) {
                PMD_DRV_LOG(DEBUG, "L2 length set to 0");
                return;
        }
-       *td_offset |= (l2_len >> 1) << I40E_TX_DESC_LENGTH_MACLEN_SHIFT;
 
        if (!l3_len) {
                PMD_DRV_LOG(DEBUG, "L3 length set to 0");
                return;
        }
 
-       /* VXLAN packet TX checksum offload */
-       if (unlikely(ol_flags & PKT_TX_VXLAN_CKSUM)) {
-               uint8_t l4tun_len;
+       /* UDP tunneling packet TX checksum offload */
+       if (ol_flags & PKT_TX_OUTER_IP_CKSUM) {
 
-               l4tun_len = ETHER_VXLAN_HLEN + inner_l2_len;
+               *td_offset |= (outer_l2_len >> 1)
+                               << I40E_TX_DESC_LENGTH_MACLEN_SHIFT;
 
-               if (ol_flags & PKT_TX_IPV4_CSUM)
+               if (ol_flags & PKT_TX_OUTER_IP_CKSUM)
                        *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4;
-               else if (ol_flags & PKT_TX_IPV6)
+               else if (ol_flags & PKT_TX_OUTER_IPV4)
+                       *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM;
+               else if (ol_flags & PKT_TX_OUTER_IPV6)
                        *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6;
 
                /* Now set the ctx descriptor fields */
-               *cd_tunneling |= (l3_len >> 2) <<
+               *cd_tunneling |= (outer_l3_len >> 2) <<
                                I40E_TXD_CTX_QW0_EXT_IPLEN_SHIFT |
-                               I40E_TXD_CTX_UDP_TUNNELING |
-                               (l4tun_len >> 1) <<
+                               (l2_len >> 1) <<
                                I40E_TXD_CTX_QW0_NATLEN_SHIFT;
 
-               l3_len = inner_l3_len;
-       }
+       } else
+               *td_offset |= (l2_len >> 1)
+                       << I40E_TX_DESC_LENGTH_MACLEN_SHIFT;
 
        /* Enable L3 checksum offloads */
-       if (ol_flags & PKT_TX_IPV4_CSUM) {
+       if (ol_flags & PKT_TX_IP_CKSUM) {
                *td_cmd |= I40E_TX_DESC_CMD_IIPT_IPV4_CSUM;
                *td_offset |= (l3_len >> 2) << I40E_TX_DESC_LENGTH_IPLEN_SHIFT;
        } else if (ol_flags & PKT_TX_IPV4) {
@@ -1158,8 +1164,7 @@ i40e_calc_context_desc(uint64_t flags)
 {
        uint64_t mask = 0ULL;
 
-       if (flags | PKT_TX_VXLAN_CKSUM)
-               mask |= PKT_TX_VXLAN_CKSUM;
+       mask |= PKT_TX_OUTER_IP_CKSUM;
 
 #ifdef RTE_LIBRTE_IEEE1588
        mask |= PKT_TX_IEEE1588_TMST;
@@ -1190,8 +1195,8 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
        uint64_t ol_flags;
        uint8_t l2_len;
        uint16_t l3_len;
-       uint8_t inner_l2_len;
-       uint16_t inner_l3_len;
+       uint8_t outer_l2_len;
+       uint16_t outer_l3_len;
        uint16_t nb_used;
        uint16_t nb_ctx;
        uint16_t tx_last;
@@ -1219,9 +1224,9 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 
                ol_flags = tx_pkt->ol_flags;
                l2_len = tx_pkt->l2_len;
-               inner_l2_len = tx_pkt->inner_l2_len;
                l3_len = tx_pkt->l3_len;
-               inner_l3_len = tx_pkt->inner_l3_len;
+               outer_l2_len = tx_pkt->outer_l2_len;
+               outer_l3_len = tx_pkt->outer_l3_len;
 
                /* Calculate the number of context descriptors needed. */
                nb_ctx = i40e_calc_context_desc(ol_flags);
@@ -1270,10 +1275,12 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 
                /* Enable checksum offloading */
                cd_tunneling_params = 0;
-               i40e_txd_enable_checksum(ol_flags, &td_cmd, &td_offset,
-                                               l2_len, l3_len, inner_l2_len,
-                                               inner_l3_len,
-                                               &cd_tunneling_params);
+               if (unlikely(ol_flags & I40E_TX_CKSUM_OFFLOAD_MASK)) {
+                       i40e_txd_enable_checksum(ol_flags, &td_cmd, &td_offset,
+                               l2_len, l3_len, outer_l2_len,
+                               outer_l3_len,
+                               &cd_tunneling_params);
+               }
 
                if (unlikely(nb_ctx)) {
                        /* Setup TX context descriptor if required */