mbuf: replace data pointer by an offset

[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 c709b7d..fd0023e 100644 (file)
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.h
@@ -1,13 +1,13 @@
 /*-
  *   BSD LICENSE
- * 
+ *
  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
  *   All rights reserved.
- * 
+ *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
  *   are met:
- * 
+ *
  *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above copyright
@@ -17,7 +17,7 @@
  *     * Neither the name of Intel Corporation nor the names of its
  *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
- * 
+ *
  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -40,13 +40,14 @@
 #ifdef RTE_LIBRTE_IXGBE_RX_ALLOW_BULK_ALLOC
 #define RTE_PMD_IXGBE_RX_MAX_BURST 32
 #define RTE_IXGBE_DESCS_PER_LOOP           4
+#elif defined(RTE_IXGBE_INC_VECTOR)
+#define RTE_IXGBE_DESCS_PER_LOOP           4
 #else
 #define RTE_IXGBE_DESCS_PER_LOOP           1
 #endif
 
 #define RTE_MBUF_DATA_DMA_ADDR(mb) \
-       (uint64_t) ((mb)->buf_physaddr + (uint64_t)((char *)((mb)->pkt.data) - \
-       (char *)(mb)->buf_addr))
+       (uint64_t) ((mb)->buf_physaddr + (mb)->data_off)
 
 #define RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mb) \
        (uint64_t) ((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
@@ -151,6 +152,26 @@ enum ixgbe_advctx_num {
        IXGBE_CTX_NUM  = 2, /**< CTX NUMBER  */
 };
 
+/** Offload features */
+union ixgbe_vlan_macip {
+       uint32_t data;
+       struct {
+               uint16_t l2_l3_len; /**< combined 9-bit l3, 7-bit l2 lengths */
+               uint16_t vlan_tci;
+               /**< VLAN Tag Control Identifier (CPU order). */
+       } f;
+};
+
+/*
+ * Compare mask for vlan_macip_len.data,
+ * should be in sync with ixgbe_vlan_macip.f layout.
+ * */
+#define TX_VLAN_CMP_MASK        0xFFFF0000  /**< VLAN length - 16-bits. */
+#define TX_MAC_LEN_CMP_MASK     0x0000FE00  /**< MAC length - 7-bits. */
+#define TX_IP_LEN_CMP_MASK      0x000001FF  /**< IP  length - 9-bits. */
+/** MAC+IP  length. */
+#define TX_MACIP_LEN_CMP_MASK   (TX_MAC_LEN_CMP_MASK | TX_IP_LEN_CMP_MASK)
+
 /**
  * Structure to check if new context need be built
  */
@@ -158,7 +179,7 @@ enum ixgbe_advctx_num {
 struct ixgbe_advctx_info {
        uint16_t flags;           /**< ol_flags for context build. */
        uint32_t cmp_mask;        /**< compare mask for vlan_macip_lens */
-       union rte_vlan_macip vlan_macip_lens; /**< vlan, mac ip length. */
+       union ixgbe_vlan_macip vlan_macip_lens; /**< vlan, mac ip length. */
 };
 
 /**
@@ -171,7 +192,7 @@ struct igb_tx_queue {
        struct igb_tx_entry *sw_ring;      /**< virtual address of SW ring. */
 #ifdef RTE_IXGBE_INC_VECTOR
        /** continuous tx entry sequence within the same mempool */
-       struct igb_tx_entry_seq *sw_ring_seq; 
+       struct igb_tx_entry_seq *sw_ring_seq;
 #endif
        volatile uint32_t   *tdt_reg_addr; /**< Address of TDT register. */
        uint16_t            nb_tx_desc;    /**< number of TX descriptors. */