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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2017-04-09 07:02:31 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-04-09 07:31:00 +0200 |
| commit | f687fef304b12c2868e367372dbc9a6160a54a50 (patch) | |
| tree | b53f1e259fc252e204926dc5e56dccd76b461d1a /src/compat/compat.h | |
| parent | compat: support 3.12 (diff) | |
| download | wireguard-linux-compat-f687fef304b12c2868e367372dbc9a6160a54a50.tar.xz wireguard-linux-compat-f687fef304b12c2868e367372dbc9a6160a54a50.zip | |
compat: support 3.10
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src/compat/compat.h')
| -rw-r--r-- | src/compat/compat.h | 62 |
1 files changed, 59 insertions, 3 deletions
diff --git a/src/compat/compat.h b/src/compat/compat.h index a586b93..d936582 100644 --- a/src/compat/compat.h +++ b/src/compat/compat.h @@ -7,8 +7,8 @@ #include <linux/version.h> #include <linux/types.h> -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0) -#error "WireGuard requires Linux >= 3.12" +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0) +#error "WireGuard requires Linux >= 3.10" #endif /* These conditionals can't be enforced by an out of tree module very easily, @@ -53,7 +53,9 @@ (LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 17) && LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0)) || \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 27) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 17, 0)) || \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 8) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) || \ - (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 40) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)) + (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 40) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)) || \ + (LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 54)) + #include <linux/if.h> #include <net/ip_tunnels.h> #define IP6_ECN_set_ce(a, b) IP6_ECN_set_ce(b) @@ -66,6 +68,20 @@ #define time_is_after_eq_jiffies64(a) time_before_eq64(get_jiffies_64(), a) #endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0) && IS_ENABLED(CONFIG_IPV6) +#include <net/ipv6.h> +struct ipv6_stub_type { + void *udpv6_encap_enable; + int (*ipv6_dst_lookup)(struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6); +}; +static const struct ipv6_stub_type ipv6_stub_impl = { + .udpv6_encap_enable = (void *)1, + .ipv6_dst_lookup = ip6_dst_lookup +}; +static const struct ipv6_stub_type *ipv6_stub = &ipv6_stub_impl; +#endif + + #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0) && IS_ENABLED(CONFIG_IPV6) #include <net/addrconf.h> static inline bool ipv6_mod_enabled(void) @@ -142,6 +158,46 @@ static inline void *our_pskb_put(struct sk_buff *skb, struct sk_buff *tail, int #define pskb_put our_pskb_put #endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) +#include <net/xfrm.h> +static inline void skb_scrub_packet(struct sk_buff *skb, bool xnet) +{ + skb->tstamp.tv64 = 0; + skb->pkt_type = PACKET_HOST; + skb->skb_iif = 0; + skb_dst_drop(skb); + secpath_reset(skb); + nf_reset(skb); + nf_reset_trace(skb); + if (!xnet) + return; + skb_orphan(skb); + skb->mark = 0; +} +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0) +#include <linux/random.h> +static inline u32 prandom_u32_max(u32 ep_ro) +{ + return (u32)(((u64) prandom_u32() * ep_ro) >> 32); +} +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 59) +static inline int crypto_memneq(const void *a, const void *b, size_t size) +{ + unsigned long neq = 0; + while (size > 0) { + neq |= *(unsigned char *)a ^ *(unsigned char *)b; + a += 1; + b += 1; + size -= 1; + } + return neq != 0UL ? 1 : 0; +} +#endif + /* https://lkml.org/lkml/2015/6/12/415 */ #include <linux/netdevice.h> static inline struct net_device *netdev_pub(void *dev) |