Some basic VXLAN definations and APIs are added in this file, which include VXLAN device structure and the APIs for encapsulation and decapsulation.
Signed-off-by: Jijiang Liu <jijiang.liu at intel.com> Signed-off-by: Thomas Long <thomas.long at intel.com> --- examples/tep_termination/main.c | 1 + examples/tep_termination/vxlan.h | 81 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+), 0 deletions(-) create mode 100644 examples/tep_termination/vxlan.h diff --git a/examples/tep_termination/main.c b/examples/tep_termination/main.c index 2e36ad0..e58726f 100644 --- a/examples/tep_termination/main.c +++ b/examples/tep_termination/main.c @@ -52,6 +52,7 @@ #include <rte_virtio_net.h> #include "main.h" +#include "vxlan.h" /* the maximum number of external ports supported */ #define MAX_SUP_PORTS 1 diff --git a/examples/tep_termination/vxlan.h b/examples/tep_termination/vxlan.h new file mode 100644 index 0000000..96c68fb --- /dev/null +++ b/examples/tep_termination/vxlan.h @@ -0,0 +1,81 @@ +/*- + * 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_ + +#define PORT_MIN 49152 +#define PORT_MAX 65535 +#define PORT_RANGE (PORT_MAX - PORT_MIN) + 1 + +#define VXLAN_N_PORTS 2 +#define VXLAN_FLAGS 0x00000008 +#define OUTER_VLAN_ID 100 + +struct vxlan_port +{ + uint32_t portid; /* VirtIO port id */ + uint32_t peerip; /* remote VTEP IP address */ + struct ether_addr peermac; /* remote VTEP MAC address */ + struct ether_addr portmac; /* VM MAC address */ +}; + +struct vxlan_conf +{ + uint16_t vxport; /* VXLAN UDP destination port */ + uint32_t portip; /* DPDK port IP address*/ + uint32_t in_key; /* VLAN ID */ + uint32_t out_key; /* VXLAN VNI */ + uint32_t portid; /* DPDK port id */ + struct vxlan_port port[VXLAN_N_PORTS]; /* VXLAN configuration */ +} __rte_cache_aligned; + +/* structure that caches offload info for the current packet */ +struct offload_info +{ + uint16_t ethertype; + uint8_t l2_len; + uint16_t l3_len; + uint8_t l4_len; + uint8_t l4_proto; + uint16_t outer_ethertype; + uint8_t outer_l2_len; + uint16_t outer_l3_len; + uint8_t outer_l4_len; + uint8_t outer_l4_proto; +}__rte_cache_aligned; + +int decapsulation(struct rte_mbuf *pkt); +int encapsulation(struct rte_mbuf *m, uint8_t portid); + +#endif /* _MAIN_H_ */ -- 1.7.7.6