mirror of
https://github.com/openvswitch/ovs
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5ca1ba484b
Currently brcompat does not work on master due to recent datapath changes. We have decided to remove it as it is not used very widely. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Jesse Gross <jesse@nicira.com>
98 lines
2.1 KiB
C
98 lines
2.1 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 COMPAT_H
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#define COMPAT_H 1
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#include <linux/netlink.h>
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#ifndef HAVE_NLA_NUL_STRING
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static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen)
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{
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char *s;
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int len;
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if (!attr)
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return 0;
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len = nla_len(attr);
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if (len >= maxlen)
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return -EINVAL;
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s = nla_data(attr);
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if (s[len - 1] != '\0')
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return -EINVAL;
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return 0;
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}
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#else
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static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen)
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{
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return 0;
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}
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#endif /* !HAVE_NLA_NUL_STRING */
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static inline void skb_clear_rxhash(struct sk_buff *skb)
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{
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)
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skb->rxhash = 0;
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#endif
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}
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
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#define GENL_SOCK(net) (genl_sock)
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#define SET_NETNSOK
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#else
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#define GENL_SOCK(net) ((net)->genl_sock)
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#define SET_NETNSOK .netnsok = true,
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
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#ifdef CONFIG_NETFILTER
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static inline u32 skb_get_mark(struct sk_buff *skb)
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{
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return skb->nfmark;
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}
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static inline void skb_set_mark(struct sk_buff *skb, u32 mark)
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{
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skb->nfmark = mark;
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}
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#else /* CONFIG_NETFILTER */
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static inline u32 skb_get_mark(struct sk_buff *skb)
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{
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return 0;
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}
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static inline void skb_set_mark(struct sk_buff *skb, u32 mark)
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{
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}
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#endif
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#else /* before 2.6.20 */
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static inline u32 skb_get_mark(struct sk_buff *skb)
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{
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return skb->mark;
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}
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static inline void skb_set_mark(struct sk_buff *skb, u32 mark)
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{
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skb->mark = mark;
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}
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#endif /* after 2.6.20 */
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#endif /* compat.h */
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