diff options
| author | Mark Brown <broonie@kernel.org> | 2019-03-19 13:12:18 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-03-19 13:12:18 +0000 |
| commit | c9e48084c88cf901ad0d99a889f2628a5622d90b (patch) | |
| tree | e95ef2305fa14e0c6e218a6aba8de8df4a0b5798 /include/linux/igmp.h | |
| parent | 04d1446bce279ee6e4c39b3bf705bef3abba008e (diff) | |
| parent | 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff) | |
Merge tag 'v5.1-rc1' into regulator-5.2
Linux 5.1-rc1
Diffstat (limited to 'include/linux/igmp.h')
| -rw-r--r-- | include/linux/igmp.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 119f53941c12..9c94b2ea789c 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -18,6 +18,7 @@ #include <linux/skbuff.h> #include <linux/timer.h> #include <linux/in.h> +#include <linux/ip.h> #include <linux/refcount.h> #include <uapi/linux/igmp.h> @@ -106,6 +107,14 @@ struct ip_mc_list { #define IGMPV3_QQIC(value) IGMPV3_EXP(0x80, 4, 3, value) #define IGMPV3_MRC(value) IGMPV3_EXP(0x80, 4, 3, value) +static inline int ip_mc_may_pull(struct sk_buff *skb, unsigned int len) +{ + if (skb_transport_offset(skb) + ip_transport_len(skb) < len) + return 0; + + return pskb_may_pull(skb, len); +} + extern int ip_check_mc_rcu(struct in_device *dev, __be32 mc_addr, __be32 src_addr, u8 proto); extern int igmp_rcv(struct sk_buff *); extern int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr); @@ -128,8 +137,14 @@ extern void ip_mc_up(struct in_device *); extern void ip_mc_down(struct in_device *); extern void ip_mc_unmap(struct in_device *); extern void ip_mc_remap(struct in_device *); -extern void ip_mc_dec_group(struct in_device *in_dev, __be32 addr); +extern void __ip_mc_dec_group(struct in_device *in_dev, __be32 addr, gfp_t gfp); +static inline void ip_mc_dec_group(struct in_device *in_dev, __be32 addr) +{ + return __ip_mc_dec_group(in_dev, addr, GFP_KERNEL); +} +extern void __ip_mc_inc_group(struct in_device *in_dev, __be32 addr, + gfp_t gfp); extern void ip_mc_inc_group(struct in_device *in_dev, __be32 addr); -int ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed); +int ip_mc_check_igmp(struct sk_buff *skb); #endif |