2bb43bd435
Add the tso-segsz option for TSO offload. If the 'tso-segsz' is not 0, it means TSO offload is enabled. Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
87 lines
3.3 KiB
C
87 lines
3.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VXLAN_H_
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#define _VXLAN_H_
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#include <rte_ether.h>
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#include <rte_ip.h>
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#define PORT_MIN 49152
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#define PORT_MAX 65535
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#define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1)
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#define VXLAN_N_PORTS 2
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#define VXLAN_HF_VNI 0x08000000
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#define DEFAULT_VXLAN_PORT 4789
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extern struct ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
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extern struct ether_hdr app_l2_hdr[VXLAN_N_PORTS];
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extern uint8_t tx_checksum;
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extern uint16_t tso_segsz;
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struct vxlan_port {
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uint32_t vport_id; /**< VirtIO port id */
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uint32_t peer_ip; /**< remote VTEP IP address */
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struct ether_addr peer_mac; /**< remote VTEP MAC address */
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struct ether_addr vport_mac; /**< VirtIO port MAC address */
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} __rte_cache_aligned;
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struct vxlan_conf {
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uint16_t dst_port; /**< VXLAN UDP destination port */
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uint32_t port_ip; /**< DPDK port IP address*/
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uint32_t in_key; /**< VLAN ID */
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uint32_t out_key; /**< VXLAN VNI */
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struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */
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} __rte_cache_aligned;
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extern struct vxlan_conf vxdev;
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/* structure that caches offload info for the current packet */
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union tunnel_offload_info {
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uint64_t data;
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struct {
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uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
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uint64_t l3_len:9; /**< L3 (IP) Header Length. */
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uint64_t l4_len:8; /**< L4 Header Length. */
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uint64_t tso_segsz:16; /**< TCP TSO segment size */
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uint64_t outer_l2_len:7; /**< outer L2 Header Length */
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uint64_t outer_l3_len:16; /**< outer L3 Header Length */
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};
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} __rte_cache_aligned;
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int decapsulation(struct rte_mbuf *pkt);
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void encapsulation(struct rte_mbuf *m, uint8_t queue_id);
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#endif /* _VXLAN_H_ */
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