projects / ovs.git / blame
| Commit | Line | Data |
|---|---|---|
| 9cb8d24d | 1 | /* |
| e0edde6f | 2 | * Copyright (c) 2007-2012 Nicira, Inc. |
| 9cb8d24d | 3 | * |
| a9a29d22 JG |
4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of version 2 of the GNU General Public | |
| 6 | * License as published by the Free Software Foundation. | |
| 7 | * | |
| 8 | * This program is distributed in the hope that it will be useful, but | |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 11 | * General Public License for more details. | |
| 12 | * | |
| 13 | * You should have received a copy of the GNU General Public License | |
| 14 | * along with this program; if not, write to the Free Software | |
| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
| 16 | * 02110-1301, USA | |
| 9cb8d24d JG |
17 | */ |
| 18 | ||
| 19 | #ifndef COMPAT_H | |
| 20 | #define COMPAT_H 1 | |
| 21 | ||
| 22 | #include <linux/netlink.h> | |
| 23 | ||
| 24 | #ifndef HAVE_NLA_NUL_STRING | |
| 25 | static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen) | |
| 26 | { | |
| 27 | char *s; | |
| 28 | int len; | |
| 29 | if (!attr) | |
| 30 | return 0; | |
| 31 | ||
| 32 | len = nla_len(attr); | |
| 33 | if (len >= maxlen) | |
| 34 | return -EINVAL; | |
| 35 | ||
| 36 | s = nla_data(attr); | |
| 37 | if (s[len - 1] != '\0') | |
| 38 | return -EINVAL; | |
| 39 | ||
| 40 | return 0; | |
| 41 | } | |
| 42 | #else | |
| 43 | static inline int CHECK_NUL_STRING(struct nlattr *attr, int maxlen) | |
| 44 | { | |
| 45 | return 0; | |
| 46 | } | |
| 47 | #endif /* !HAVE_NLA_NUL_STRING */ | |
| 48 | ||
| eba9291a PS |
49 | static inline void skb_clear_rxhash(struct sk_buff *skb) |
| 50 | { | |
| 51 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) | |
| 52 | skb->rxhash = 0; | |
| 53 | #endif | |
| 54 | } | |
| 55 | ||
| 2a4999f3 PS |
56 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32) |
| 57 | #define GENL_SOCK(net) (genl_sock) | |
| 58 | #define SET_NETNSOK | |
| 59 | #else | |
| 60 | #define GENL_SOCK(net) ((net)->genl_sock) | |
| 61 | #define SET_NETNSOK .netnsok = true, | |
| 62 | #endif | |
| 63 | ||
| 72e8bf28 AA |
64 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) |
| 65 | #ifdef CONFIG_NETFILTER | |
| 66 | static inline u32 skb_get_mark(struct sk_buff *skb) | |
| 67 | { | |
| 68 | return skb->nfmark; | |
| 69 | } | |
| 70 | ||
| 71 | static inline void skb_set_mark(struct sk_buff *skb, u32 mark) | |
| 72 | { | |
| 73 | skb->nfmark = mark; | |
| 74 | } | |
| 75 | #else /* CONFIG_NETFILTER */ | |
| 76 | static inline u32 skb_get_mark(struct sk_buff *skb) | |
| 77 | { | |
| 78 | return 0; | |
| 79 | } | |
| 80 | ||
| 81 | static inline void skb_set_mark(struct sk_buff *skb, u32 mark) | |
| 82 | { | |
| 83 | } | |
| 84 | #endif | |
| 85 | #else /* before 2.6.20 */ | |
| 86 | static inline u32 skb_get_mark(struct sk_buff *skb) | |
| 87 | { | |
| 88 | return skb->mark; | |
| 89 | } | |
| 90 | ||
| 91 | static inline void skb_set_mark(struct sk_buff *skb, u32 mark) | |
| 92 | { | |
| 93 | skb->mark = mark; | |
| 94 | } | |
| 95 | #endif /* after 2.6.20 */ | |
| 96 | ||
| 5ebaf571 PS |
97 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36) |
| 98 | #define rt_dst(rt) (rt->dst) | |
| 99 | #else | |
| 100 | #define rt_dst(rt) (rt->u.dst) | |
| 101 | #endif | |
| 102 | ||
| 1b7ee51f PS |
103 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33) |
| 104 | #define inet_sport(sk) (inet_sk(sk)->sport) | |
| 105 | #else | |
| 106 | #define inet_sport(sk) (inet_sk(sk)->inet_sport) | |
| 107 | #endif | |
| 108 | ||
| 9cb8d24d | 109 | #endif /* compat.h */ |