diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_ecn.c')
-rw-r--r-- | net/ipv4/netfilter/ipt_ecn.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/net/ipv4/netfilter/ipt_ecn.c b/net/ipv4/netfilter/ipt_ecn.c index a47f3745553b..ba3a17e0f848 100644 --- a/net/ipv4/netfilter/ipt_ecn.c +++ b/net/ipv4/netfilter/ipt_ecn.c @@ -22,15 +22,15 @@ MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>"); MODULE_DESCRIPTION("iptables ECN matching module"); MODULE_LICENSE("GPL"); -static inline int match_ip(const struct sk_buff *skb, - const struct ipt_ecn_info *einfo) +static inline bool match_ip(const struct sk_buff *skb, + const struct ipt_ecn_info *einfo) { return (ip_hdr(skb)->tos & IPT_ECN_IP_MASK) == einfo->ip_ect; } -static inline int match_tcp(const struct sk_buff *skb, - const struct ipt_ecn_info *einfo, - bool *hotdrop) +static inline bool match_tcp(const struct sk_buff *skb, + const struct ipt_ecn_info *einfo, + bool *hotdrop) { struct tcphdr _tcph, *th; @@ -40,51 +40,51 @@ static inline int match_tcp(const struct sk_buff *skb, th = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(_tcph), &_tcph); if (th == NULL) { *hotdrop = false; - return 0; + return false; } if (einfo->operation & IPT_ECN_OP_MATCH_ECE) { if (einfo->invert & IPT_ECN_OP_MATCH_ECE) { if (th->ece == 1) - return 0; + return false; } else { if (th->ece == 0) - return 0; + return false; } } if (einfo->operation & IPT_ECN_OP_MATCH_CWR) { if (einfo->invert & IPT_ECN_OP_MATCH_CWR) { if (th->cwr == 1) - return 0; + return false; } else { if (th->cwr == 0) - return 0; + return false; } } - return 1; + return true; } -static int match(const struct sk_buff *skb, - const struct net_device *in, const struct net_device *out, - const struct xt_match *match, const void *matchinfo, - int offset, unsigned int protoff, bool *hotdrop) +static bool match(const struct sk_buff *skb, + const struct net_device *in, const struct net_device *out, + const struct xt_match *match, const void *matchinfo, + int offset, unsigned int protoff, bool *hotdrop) { const struct ipt_ecn_info *info = matchinfo; if (info->operation & IPT_ECN_OP_MATCH_IP) if (!match_ip(skb, info)) - return 0; + return false; if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)) { if (ip_hdr(skb)->protocol != IPPROTO_TCP) - return 0; + return false; if (!match_tcp(skb, info, hotdrop)) - return 0; + return false; } - return 1; + return true; } static int checkentry(const char *tablename, const void *ip_void, |