@@ -57,12 +57,12 @@
#include <uapi/linux/sctp.h>
/* Section 3.1. SCTP Common Header Format */
-typedef struct sctphdr {
+struct sctphdr {
__be16 source;
__be16 dest;
__be32 vtag;
__le32 checksum;
-} sctp_sctphdr_t;
+};
static inline struct sctphdr *sctp_hdr(const struct sk_buff *skb)
{
@@ -38,8 +38,8 @@ get_port(const struct sk_buff *skb, int protocol, unsigned int protooff,
break;
}
case IPPROTO_SCTP: {
- sctp_sctphdr_t _sh;
- const sctp_sctphdr_t *sh;
+ struct sctphdr _sh;
+ const struct sctphdr *sh;
sh = skb_header_pointer(skb, protooff, sizeof(_sh), &_sh);
if (!sh)
@@ -1038,8 +1038,8 @@ static int ip_vs_out_icmp_v6(struct netns_ipvs *ipvs, struct sk_buff *skb,
static inline int is_sctp_abort(const struct sk_buff *skb, int nh_len)
{
sctp_chunkhdr_t *sch, schunk;
- sch = skb_header_pointer(skb, nh_len + sizeof(sctp_sctphdr_t),
- sizeof(schunk), &schunk);
+ sch = skb_header_pointer(skb, nh_len + sizeof(struct sctphdr),
+ sizeof(schunk), &schunk);
if (sch == NULL)
return 0;
if (sch->type == SCTP_CID_ABORT)
@@ -1072,7 +1072,7 @@ static inline bool is_new_conn(const struct sk_buff *skb,
case IPPROTO_SCTP: {
sctp_chunkhdr_t *sch, schunk;
- sch = skb_header_pointer(skb, iph->len + sizeof(sctp_sctphdr_t),
+ sch = skb_header_pointer(skb, iph->len + sizeof(struct sctphdr),
sizeof(schunk), &schunk);
if (sch == NULL)
return false;
@@ -16,15 +16,14 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
{
struct ip_vs_service *svc;
sctp_chunkhdr_t _schunkh, *sch;
- sctp_sctphdr_t *sh, _sctph;
+ struct sctphdr *sh, _sctph;
__be16 _ports[2], *ports = NULL;
if (likely(!ip_vs_iph_icmp(iph))) {
sh = skb_header_pointer(skb, iph->len, sizeof(_sctph), &_sctph);
if (sh) {
- sch = skb_header_pointer(
- skb, iph->len + sizeof(sctp_sctphdr_t),
- sizeof(_schunkh), &_schunkh);
+ sch = skb_header_pointer(skb, iph->len + sizeof(_sctph),
+ sizeof(_schunkh), &_schunkh);
if (sch && (sch->type == SCTP_CID_INIT ||
sysctl_sloppy_sctp(ipvs)))
ports = &sh->source;
@@ -77,7 +76,7 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
return 1;
}
-static void sctp_nat_csum(struct sk_buff *skb, sctp_sctphdr_t *sctph,
+static void sctp_nat_csum(struct sk_buff *skb, struct sctphdr *sctph,
unsigned int sctphoff)
{
sctph->checksum = sctp_compute_cksum(skb, sctphoff);
@@ -88,7 +87,7 @@ static int
sctp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
struct ip_vs_conn *cp, struct ip_vs_iphdr *iph)
{
- sctp_sctphdr_t *sctph;
+ struct sctphdr *sctph;
unsigned int sctphoff = iph->len;
bool payload_csum = false;
@@ -135,7 +134,7 @@ static int
sctp_dnat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
struct ip_vs_conn *cp, struct ip_vs_iphdr *iph)
{
- sctp_sctphdr_t *sctph;
+ struct sctphdr *sctph;
unsigned int sctphoff = iph->len;
bool payload_csum = false;
@@ -389,7 +388,7 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
ihl = ip_hdrlen(skb);
#endif
- cofs = ihl + sizeof(sctp_sctphdr_t);
+ cofs = ihl + sizeof(struct sctphdr);
sch = skb_header_pointer(skb, cofs, sizeof(_sctpch), &_sctpch);
if (sch == NULL)
return;
@@ -190,7 +190,7 @@ static void sctp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
}
#define for_each_sctp_chunk(skb, sch, _sch, offset, dataoff, count) \
-for ((offset) = (dataoff) + sizeof(sctp_sctphdr_t), (count) = 0; \
+for ((offset) = (dataoff) + sizeof(struct sctphdr), (count) = 0; \
(offset) < (skb)->len && \
((sch) = skb_header_pointer((skb), (offset), sizeof(_sch), &(_sch))); \
(offset) += (ntohs((sch)->length) + 3) & ~3, (count)++)
@@ -32,7 +32,7 @@ sctp_manip_pkt(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
{
- sctp_sctphdr_t *hdr;
+ struct sctphdr *hdr;
int hdrsize = 8;
/* This could be an inner header returned in imcp packet; in such
@@ -118,8 +118,8 @@ static bool
sctp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_sctp_info *info = par->matchinfo;
- const sctp_sctphdr_t *sh;
- sctp_sctphdr_t _sh;
+ const struct sctphdr *sh;
+ struct sctphdr _sh;
if (par->fragoff != 0) {
pr_debug("Dropping non-first fragment.. FIXME\n");
@@ -136,13 +136,13 @@ sctp_mt(const struct sk_buff *skb, struct xt_action_param *par)
return SCCHECK(ntohs(sh->source) >= info->spts[0]
&& ntohs(sh->source) <= info->spts[1],
- XT_SCTP_SRC_PORTS, info->flags, info->invflags)
- && SCCHECK(ntohs(sh->dest) >= info->dpts[0]
+ XT_SCTP_SRC_PORTS, info->flags, info->invflags) &&
+ SCCHECK(ntohs(sh->dest) >= info->dpts[0]
&& ntohs(sh->dest) <= info->dpts[1],
- XT_SCTP_DEST_PORTS, info->flags, info->invflags)
- && SCCHECK(match_packet(skb, par->thoff + sizeof(sctp_sctphdr_t),
- info, &par->hotdrop),
- XT_SCTP_CHUNK_TYPES, info->flags, info->invflags);
+ XT_SCTP_DEST_PORTS, info->flags, info->invflags) &&
+ SCCHECK(match_packet(skb, par->thoff + sizeof(_sh),
+ info, &par->hotdrop),
+ XT_SCTP_CHUNK_TYPES, info->flags, info->invflags);
}
static int sctp_mt_check(const struct xt_mtchk_param *par)
This patch is to remove the typedef sctp_sctphdr_t, and replace with struct sctphdr in the places where it's using this typedef. It is also to fix some indents and use sizeof(variable) instead of sizeof(type). Signed-off-by: Xin Long <lucien.xin@gmail.com> --- include/linux/sctp.h | 4 ++-- net/netfilter/ipset/ip_set_getport.c | 4 ++-- net/netfilter/ipvs/ip_vs_core.c | 6 +++--- net/netfilter/ipvs/ip_vs_proto_sctp.c | 15 +++++++-------- net/netfilter/nf_conntrack_proto_sctp.c | 2 +- net/netfilter/nf_nat_proto_sctp.c | 2 +- net/netfilter/xt_sctp.c | 16 ++++++++-------- 7 files changed, 24 insertions(+), 25 deletions(-)