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Diffstat (limited to 'examples/tep_termination/vxlan.h')
| -rw-r--r-- | examples/tep_termination/vxlan.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/examples/tep_termination/vxlan.h b/examples/tep_termination/vxlan.h new file mode 100644 index 00000000..4242e111 --- /dev/null +++ b/examples/tep_termination/vxlan.h @@ -0,0 +1,86 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2015 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 + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * 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 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _VXLAN_H_ +#define _VXLAN_H_ + +#include <rte_ether.h> +#include <rte_ip.h> + +#define PORT_MIN 49152 +#define PORT_MAX 65535 +#define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1) + +#define VXLAN_N_PORTS 2 +#define VXLAN_HF_VNI 0x08000000 +#define DEFAULT_VXLAN_PORT 4789 + +extern struct ipv4_hdr app_ip_hdr[VXLAN_N_PORTS]; +extern struct ether_hdr app_l2_hdr[VXLAN_N_PORTS]; +extern uint8_t tx_checksum; +extern uint16_t tso_segsz; + +struct vxlan_port { + uint32_t vport_id; /**< VirtIO port id */ + uint32_t peer_ip; /**< remote VTEP IP address */ + struct ether_addr peer_mac; /**< remote VTEP MAC address */ + struct ether_addr vport_mac; /**< VirtIO port MAC address */ +} __rte_cache_aligned; + +struct vxlan_conf { + uint16_t dst_port; /**< VXLAN UDP destination port */ + uint32_t port_ip; /**< DPDK port IP address*/ + uint32_t in_key; /**< VLAN ID */ + uint32_t out_key; /**< VXLAN VNI */ + struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */ +} __rte_cache_aligned; + +extern struct vxlan_conf vxdev; + +/* structure that caches offload info for the current packet */ +union tunnel_offload_info { + uint64_t data; + struct { + uint64_t l2_len:7; /**< L2 (MAC) Header Length. */ + uint64_t l3_len:9; /**< L3 (IP) Header Length. */ + uint64_t l4_len:8; /**< L4 Header Length. */ + uint64_t tso_segsz:16; /**< TCP TSO segment size */ + uint64_t outer_l2_len:7; /**< outer L2 Header Length */ + uint64_t outer_l3_len:16; /**< outer L3 Header Length */ + }; +} __rte_cache_aligned; + +int decapsulation(struct rte_mbuf *pkt); +void encapsulation(struct rte_mbuf *m, uint8_t queue_id); + +#endif /* _VXLAN_H_ */ |