MODULE_ALIAS("ip6t_tcpmss");
static bool
-tcpmss_mt(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)
+tcpmss_mt(const struct sk_buff *skb, const struct xt_match_param *par)
{
- const struct xt_tcpmss_match_info *info = matchinfo;
- struct tcphdr _tcph, *th;
+ const struct xt_tcpmss_match_info *info = par->matchinfo;
+ const struct tcphdr *th;
+ struct tcphdr _tcph;
/* tcp.doff is only 4 bits, ie. max 15 * 4 bytes */
- u8 _opt[15 * 4 - sizeof(_tcph)], *op;
+ const u_int8_t *op;
+ u8 _opt[15 * 4 - sizeof(_tcph)];
unsigned int i, optlen;
/* If we don't have the whole header, drop packet. */
- th = skb_header_pointer(skb, protoff, sizeof(_tcph), &_tcph);
+ th = skb_header_pointer(skb, par->thoff, sizeof(_tcph), &_tcph);
if (th == NULL)
goto dropit;
goto out;
/* Truncated options. */
- op = skb_header_pointer(skb, protoff + sizeof(*th), optlen, _opt);
+ op = skb_header_pointer(skb, par->thoff + sizeof(*th), optlen, _opt);
if (op == NULL)
goto dropit;
return info->invert;
dropit:
- *hotdrop = true;
+ *par->hotdrop = true;
return false;
}
static struct xt_match tcpmss_mt_reg[] __read_mostly = {
{
.name = "tcpmss",
- .family = AF_INET,
+ .family = NFPROTO_IPV4,
.match = tcpmss_mt,
.matchsize = sizeof(struct xt_tcpmss_match_info),
.proto = IPPROTO_TCP,
},
{
.name = "tcpmss",
- .family = AF_INET6,
+ .family = NFPROTO_IPV6,
.match = tcpmss_mt,
.matchsize = sizeof(struct xt_tcpmss_match_info),
.proto = IPPROTO_TCP,