diff options
Diffstat (limited to 'net/sched/act_nat.c')
-rw-r--r-- | net/sched/act_nat.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index c96273b..0a3c833 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -40,22 +40,29 @@ static struct tcf_hashinfo nat_hash_info = { .lock = &nat_lock, }; -static int tcf_nat_init(struct rtattr *rta, struct rtattr *est, +static const struct nla_policy nat_policy[TCA_NAT_MAX + 1] = { + [TCA_NAT_PARMS] = { .len = sizeof(struct tc_nat) }, +}; + +static int tcf_nat_init(struct nlattr *nla, struct nlattr *est, struct tc_action *a, int ovr, int bind) { - struct rtattr *tb[TCA_NAT_MAX]; + struct nlattr *tb[TCA_NAT_MAX + 1]; struct tc_nat *parm; - int ret = 0; + int ret = 0, err; struct tcf_nat *p; struct tcf_common *pc; - if (rta == NULL || rtattr_parse_nested(tb, TCA_NAT_MAX, rta) < 0) + if (nla == NULL) return -EINVAL; - if (tb[TCA_NAT_PARMS - 1] == NULL || - RTA_PAYLOAD(tb[TCA_NAT_PARMS - 1]) < sizeof(*parm)) + err = nla_parse_nested(tb, TCA_NAT_MAX, nla, nat_policy); + if (err < 0) + return err; + + if (tb[TCA_NAT_PARMS] == NULL) return -EINVAL; - parm = RTA_DATA(tb[TCA_NAT_PARMS - 1]); + parm = nla_data(tb[TCA_NAT_PARMS]); pc = tcf_hash_check(parm->index, a, bind, &nat_hash_info); if (!pc) { @@ -151,7 +158,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a, else iph->daddr = new_addr; - nf_csum_replace4(&iph->check, addr, new_addr); + csum_replace4(&iph->check, addr, new_addr); } ihl = iph->ihl * 4; @@ -169,7 +176,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a, goto drop; tcph = (void *)(skb_network_header(skb) + ihl); - nf_proto_csum_replace4(&tcph->check, skb, addr, new_addr, 1); + inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, 1); break; } case IPPROTO_UDP: @@ -184,8 +191,8 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a, udph = (void *)(skb_network_header(skb) + ihl); if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { - nf_proto_csum_replace4(&udph->check, skb, addr, - new_addr, 1); + inet_proto_csum_replace4(&udph->check, skb, addr, + new_addr, 1); if (!udph->check) udph->check = CSUM_MANGLED_0; } @@ -232,8 +239,8 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a, else iph->saddr = new_addr; - nf_proto_csum_replace4(&icmph->checksum, skb, addr, new_addr, - 1); + inet_proto_csum_replace4(&icmph->checksum, skb, addr, new_addr, + 1); break; } default: @@ -275,17 +282,17 @@ static int tcf_nat_dump(struct sk_buff *skb, struct tc_action *a, opt->refcnt = p->tcf_refcnt - ref; opt->bindcnt = p->tcf_bindcnt - bind; - RTA_PUT(skb, TCA_NAT_PARMS, s, opt); + NLA_PUT(skb, TCA_NAT_PARMS, s, opt); t.install = jiffies_to_clock_t(jiffies - p->tcf_tm.install); t.lastuse = jiffies_to_clock_t(jiffies - p->tcf_tm.lastuse); t.expires = jiffies_to_clock_t(p->tcf_tm.expires); - RTA_PUT(skb, TCA_NAT_TM, sizeof(t), &t); + NLA_PUT(skb, TCA_NAT_TM, sizeof(t), &t); kfree(opt); return skb->len; -rtattr_failure: +nla_put_failure: nlmsg_trim(skb, b); kfree(opt); return -1; |