X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Fnetfilter%2Fnf_conntrack_proto_icmp.c;h=97791048fa9b0c3fd7afc9802025ebe6db963cf5;hb=4836e3007882984279ca63d3c42bf0b14616eb78;hp=6873fddb3529936a9ef7af490573eb9dc9aec45f;hpb=7924e4f6519dd5b349ed146fe9fe35206730be67;p=linux-2.6 diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c index 6873fddb35..97791048fa 100644 --- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c +++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c @@ -22,22 +22,21 @@ static unsigned long nf_ct_icmp_timeout __read_mostly = 30*HZ; -static int icmp_pkt_to_tuple(const struct sk_buff *skb, - unsigned int dataoff, - struct nf_conntrack_tuple *tuple) +static bool icmp_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, + struct nf_conntrack_tuple *tuple) { const struct icmphdr *hp; struct icmphdr _hdr; hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr); if (hp == NULL) - return 0; + return false; tuple->dst.u.icmp.type = hp->type; tuple->src.u.icmp.id = hp->un.echo.id; tuple->dst.u.icmp.code = hp->code; - return 1; + return true; } /* Add 1; spaces filled with 0. */ @@ -52,17 +51,17 @@ static const u_int8_t invmap[] = { [ICMP_ADDRESSREPLY] = ICMP_ADDRESS + 1 }; -static int icmp_invert_tuple(struct nf_conntrack_tuple *tuple, - const struct nf_conntrack_tuple *orig) +static bool icmp_invert_tuple(struct nf_conntrack_tuple *tuple, + const struct nf_conntrack_tuple *orig) { if (orig->dst.u.icmp.type >= sizeof(invmap) || !invmap[orig->dst.u.icmp.type]) - return 0; + return false; tuple->src.u.icmp.id = orig->src.u.icmp.id; tuple->dst.u.icmp.type = invmap[orig->dst.u.icmp.type] - 1; tuple->dst.u.icmp.code = orig->dst.u.icmp.code; - return 1; + return true; } /* Print out the per-protocol part of the tuple. */ @@ -88,9 +87,8 @@ static int icmp_packet(struct nf_conn *ct, means this will only run once even if count hits zero twice (theoretically possible with SMP) */ if (CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY) { - if (atomic_dec_and_test(&ct->proto.icmp.count) - && del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + if (atomic_dec_and_test(&ct->proto.icmp.count)) + nf_ct_kill_acct(ct, ctinfo, skb); } else { atomic_inc(&ct->proto.icmp.count); nf_conntrack_event_cache(IPCT_PROTOINFO_VOLATILE, skb); @@ -101,8 +99,8 @@ static int icmp_packet(struct nf_conn *ct, } /* Called when a new connection for this protocol found. */ -static int icmp_new(struct nf_conn *ct, - const struct sk_buff *skb, unsigned int dataoff) +static bool icmp_new(struct nf_conn *ct, const struct sk_buff *skb, + unsigned int dataoff) { static const u_int8_t valid_new[] = { [ICMP_ECHO] = 1, @@ -116,11 +114,11 @@ static int icmp_new(struct nf_conn *ct, /* Can't create a new ICMP `conn' with this. */ pr_debug("icmp: can't create new conn with type %u\n", ct->tuplehash[0].tuple.dst.u.icmp.type); - NF_CT_DUMP_TUPLE(&ct->tuplehash[0].tuple); - return 0; + nf_ct_dump_tuple_ip(&ct->tuplehash[0].tuple); + return false; } atomic_set(&ct->proto.icmp.count, 0); - return 1; + return true; } /* Returns conntrack if it dealt with ICMP, and filled in skb fields */