X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Futils.c;h=72e0ebe964a08d03be218b8c17aa061818579f2f;hb=152cbcf94baec68b45832db5024184906ab798b1;hp=2030bb8c2d30c4c27fccf960f87acd51fc5fac54;hpb=99e1221d1a1edac316f7f8116c781f75733b1159;p=linux-2.6-omap-h63xx.git diff --git a/net/core/utils.c b/net/core/utils.c index 2030bb8c2d3..72e0ebe964a 100644 --- a/net/core/utils.c +++ b/net/core/utils.c @@ -25,22 +25,22 @@ #include #include #include +#include #include #include #include -int net_msg_cost __read_mostly = 5*HZ; -int net_msg_burst __read_mostly = 10; int net_msg_warn __read_mostly = 1; EXPORT_SYMBOL(net_msg_warn); +DEFINE_RATELIMIT_STATE(net_ratelimit_state, 5 * HZ, 10); /* * All net warning printk()s should be guarded by this function. */ int net_ratelimit(void) { - return __printk_ratelimit(net_msg_cost, net_msg_burst); + return __ratelimit(&net_ratelimit_state); } EXPORT_SYMBOL(net_ratelimit); @@ -90,17 +90,6 @@ EXPORT_SYMBOL(in_aton); #define IN6PTON_NULL 0x20000000 /* first/tail */ #define IN6PTON_UNKNOWN 0x40000000 -static inline int digit2bin(char c, int delim) -{ - if (c == delim || c == '\0') - return IN6PTON_DELIM; - if (c == '.') - return IN6PTON_DOT; - if (c >= '0' && c <= '9') - return (IN6PTON_DIGIT | (c - '0')); - return IN6PTON_UNKNOWN; -} - static inline int xdigit2bin(char c, int delim) { if (c == delim || c == '\0') @@ -292,3 +281,19 @@ out: } EXPORT_SYMBOL(in6_pton); + +void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb, + __be32 from, __be32 to, int pseudohdr) +{ + __be32 diff[] = { ~from, to }; + if (skb->ip_summed != CHECKSUM_PARTIAL) { + *sum = csum_fold(csum_partial(diff, sizeof(diff), + ~csum_unfold(*sum))); + if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr) + skb->csum = ~csum_partial(diff, sizeof(diff), + ~skb->csum); + } else if (pseudohdr) + *sum = ~csum_fold(csum_partial(diff, sizeof(diff), + csum_unfold(*sum))); +} +EXPORT_SYMBOL(inet_proto_csum_replace4);