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https://github.com/openvswitch/ovs
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db0c31340f
VPORT_F_TUN_ID is last remaining flag, once we remove it, flags field from vport-ops can be removed. Since it does not complicate much code, we decided to remove this flag. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Jesse Gross <jesse@nicira.com>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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* Copyright (c) 2007-2012 Nicira, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#ifndef TUNNEL_H
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#define TUNNEL_H 1
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#include <linux/version.h>
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#include <net/net_namespace.h>
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#include <net/netns/generic.h>
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#include "flow.h"
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#include "vport.h"
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int ovs_tnl_send(struct vport *vport, struct sk_buff *skb,
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u8 ipproto, int tunnel_hlen,
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void (*build_header)(const struct vport *,
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struct sk_buff *,
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int tunnel_hlen));
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void ovs_tnl_rcv(struct vport *vport, struct sk_buff *skb,
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struct ovs_key_ipv4_tunnel *tun_key);
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u16 ovs_tnl_get_src_port(struct sk_buff *skb);
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static inline void tnl_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key,
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const struct iphdr *iph, __be64 tun_id, u32 tun_flags)
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{
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tun_key->tun_id = tun_id;
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tun_key->ipv4_src = iph->saddr;
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tun_key->ipv4_dst = iph->daddr;
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tun_key->ipv4_tos = iph->tos;
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tun_key->ipv4_ttl = iph->ttl;
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tun_key->tun_flags = tun_flags;
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/* clear struct padding. */
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memset((unsigned char*) tun_key + OVS_TUNNEL_KEY_SIZE, 0,
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sizeof(*tun_key) - OVS_TUNNEL_KEY_SIZE);
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}
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#endif /* tunnel.h */
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