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https://github.com/openvswitch/ovs
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316fcc631a
This patch adds "Don't Fragment" (DF) flag support to the encap action, if supported by the kernel. If the kernel does not support this, it falls back to the previous behavior of ignoring the DF request. Acked-by: Roi Dayan <roid@nvidia.com> Acked-by: Simon Horman <horms@ovn.org> Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
#ifndef __LINUX_TC_ACT_TC_TUNNEL_KEY_WRAPPER_H
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#define __LINUX_TC_ACT_TC_TUNNEL_KEY_WRAPPER_H 1
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#if defined(__KERNEL__) || defined(HAVE_TCA_TUNNEL_KEY_NO_FRAG)
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#include_next <linux/tc_act/tc_tunnel_key.h>
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#else
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/*
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* Copyright (c) 2016, Amir Vadai <amir@vadai.me>
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* Copyright (c) 2016, Mellanox Technologies. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/pkt_cls.h>
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#define TCA_TUNNEL_KEY_ACT_SET 1
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#define TCA_TUNNEL_KEY_ACT_RELEASE 2
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struct tc_tunnel_key {
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tc_gen;
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int t_action;
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};
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enum {
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TCA_TUNNEL_KEY_UNSPEC,
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TCA_TUNNEL_KEY_TM,
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TCA_TUNNEL_KEY_PARMS,
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TCA_TUNNEL_KEY_ENC_IPV4_SRC, /* be32 */
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TCA_TUNNEL_KEY_ENC_IPV4_DST, /* be32 */
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TCA_TUNNEL_KEY_ENC_IPV6_SRC, /* struct in6_addr */
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TCA_TUNNEL_KEY_ENC_IPV6_DST, /* struct in6_addr */
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TCA_TUNNEL_KEY_ENC_KEY_ID, /* be64 */
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TCA_TUNNEL_KEY_PAD,
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TCA_TUNNEL_KEY_ENC_DST_PORT, /* be16 */
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TCA_TUNNEL_KEY_NO_CSUM, /* u8 */
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TCA_TUNNEL_KEY_ENC_OPTS, /* Nested TCA_TUNNEL_KEY_ENC_OPTS_
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* attributes
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*/
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TCA_TUNNEL_KEY_ENC_TOS, /* u8 */
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TCA_TUNNEL_KEY_ENC_TTL, /* u8 */
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TCA_TUNNEL_KEY_NO_FRAG, /* flag */
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__TCA_TUNNEL_KEY_MAX,
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};
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#define TCA_TUNNEL_KEY_MAX (__TCA_TUNNEL_KEY_MAX - 1)
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enum {
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TCA_TUNNEL_KEY_ENC_OPTS_UNSPEC,
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TCA_TUNNEL_KEY_ENC_OPTS_GENEVE, /* Nested
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* TCA_TUNNEL_KEY_ENC_OPTS_GENEVE
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* attributes
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*/
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TCA_TUNNEL_KEY_ENC_OPTS_VXLAN, /* Nested
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* TCA_TUNNEL_KEY_ENC_OPTS_VXLAN
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* attributes
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*/
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__TCA_TUNNEL_KEY_ENC_OPTS_MAX,
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};
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#define TCA_TUNNEL_KEY_ENC_OPTS_MAX (__TCA_TUNNEL_KEY_ENC_OPTS_MAX - 1)
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enum {
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TCA_TUNNEL_KEY_ENC_OPT_GENEVE_UNSPEC,
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TCA_TUNNEL_KEY_ENC_OPT_GENEVE_CLASS, /* be16 */
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TCA_TUNNEL_KEY_ENC_OPT_GENEVE_TYPE, /* u8 */
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TCA_TUNNEL_KEY_ENC_OPT_GENEVE_DATA, /* 4 to 128 bytes */
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__TCA_TUNNEL_KEY_ENC_OPT_GENEVE_MAX,
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};
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#define TCA_TUNNEL_KEY_ENC_OPT_GENEVE_MAX \
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(__TCA_TUNNEL_KEY_ENC_OPT_GENEVE_MAX - 1)
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enum {
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TCA_TUNNEL_KEY_ENC_OPT_VXLAN_UNSPEC,
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TCA_TUNNEL_KEY_ENC_OPT_VXLAN_GBP, /* u32 */
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__TCA_TUNNEL_KEY_ENC_OPT_VXLAN_MAX,
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};
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#define TCA_TUNNEL_KEY_ENC_OPT_VXLAN_MAX \
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(__TCA_TUNNEL_KEY_ENC_OPT_VXLAN_MAX - 1)
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#endif /* __KERNEL__ || HAVE_TCA_TUNNEL_KEY_ENC_OPTS_VXLAN */
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#endif /* __LINUX_TC_ACT_TC_TUNNEL_KEY_WRAPPER_H */
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