ixgbe: support TCP segmentation offload

[dpdk.git] / lib / librte_pmd_ixgbe / ixgbe_rxtx.h

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.h b/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
index eb89715..13099af 100644 (file)
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
@@ -145,13 +145,16 @@ enum ixgbe_advctx_num {
 };
 
 /** Offload features */
-union ixgbe_vlan_macip {
-       uint32_t data;
+union ixgbe_tx_offload {
+       uint64_t data;
        struct {
-               uint16_t l2_l3_len; /**< combined 9-bit l3, 7-bit l2 lengths */
-               uint16_t vlan_tci;
+               uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
+               uint64_t l3_len:9; /**< L3 (IP) Header Length. */
+               uint64_t l4_len:8; /**< L4 (TCP/UDP) Header Length. */
+               uint64_t tso_segsz:16; /**< TCP TSO segment size */
+               uint64_t vlan_tci:16;
                /**< VLAN Tag Control Identifier (CPU order). */
-       } f;
+       };
 };
 
 /*
@@ -170,8 +173,10 @@ union ixgbe_vlan_macip {
 
 struct ixgbe_advctx_info {
        uint64_t flags;           /**< ol_flags for context build. */
-       uint32_t cmp_mask;        /**< compare mask for vlan_macip_lens */
-       union ixgbe_vlan_macip vlan_macip_lens; /**< vlan, mac ip length. */
+       /**< tx offload: vlan, tso, l2-l3-l4 lengths. */
+       union ixgbe_tx_offload tx_offload;
+       /** compare mask for tx offload. */
+       union ixgbe_tx_offload tx_offload_mask;
 };
 
 /**