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sctp: remove the typedef sctp_sctphdr_t

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2017-06-30 11:52:12 +08:00 committed by David S. Miller
parent 1383445195
commit ae146d9b76
7 changed files with 24 additions and 25 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

4
include/linux/sctp.h
View file

@ -57,12 +57,12 @@
#include <uapi/linux/sctp.h> #include <uapi/linux/sctp.h>
/* Section 3.1. SCTP Common Header Format */ /* Section 3.1. SCTP Common Header Format */
typedef struct sctphdr { struct sctphdr {
__be16 source; __be16 source;
__be16 dest; __be16 dest;
__be32 vtag; __be32 vtag;
__le32 checksum; __le32 checksum;
} sctp_sctphdr_t; };
static inline struct sctphdr *sctp_hdr(const struct sk_buff *skb) static inline struct sctphdr *sctp_hdr(const struct sk_buff *skb)
{ {

4
net/netfilter/ipset/ip_set_getport.c
View file

@ -38,8 +38,8 @@ get_port(const struct sk_buff *skb, int protocol, unsigned int protooff,
break; break;
} }
case IPPROTO_SCTP: { case IPPROTO_SCTP: {
sctp_sctphdr_t _sh; struct sctphdr _sh;
const sctp_sctphdr_t *sh; const struct sctphdr *sh;
sh = skb_header_pointer(skb, protooff, sizeof(_sh), &_sh); sh = skb_header_pointer(skb, protooff, sizeof(_sh), &_sh);
if (!sh) if (!sh)

6
net/netfilter/ipvs/ip_vs_core.c
View file

@ -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) static inline int is_sctp_abort(const struct sk_buff *skb, int nh_len)
{ {
sctp_chunkhdr_t *sch, schunk; sctp_chunkhdr_t *sch, schunk;
sch = skb_header_pointer(skb, nh_len + sizeof(sctp_sctphdr_t), sch = skb_header_pointer(skb, nh_len + sizeof(struct sctphdr),
sizeof(schunk), &schunk); sizeof(schunk), &schunk);
if (sch == NULL) if (sch == NULL)
return 0; return 0;
if (sch->type == SCTP_CID_ABORT) if (sch->type == SCTP_CID_ABORT)
@ -1072,7 +1072,7 @@ static inline bool is_new_conn(const struct sk_buff *skb,
case IPPROTO_SCTP: { case IPPROTO_SCTP: {
sctp_chunkhdr_t *sch, schunk; 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); sizeof(schunk), &schunk);
if (sch == NULL) if (sch == NULL)
return false; return false;

15
net/netfilter/ipvs/ip_vs_proto_sctp.c
View file

@ -16,15 +16,14 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
{ {
struct ip_vs_service *svc; struct ip_vs_service *svc;
sctp_chunkhdr_t _schunkh, *sch; sctp_chunkhdr_t _schunkh, *sch;
sctp_sctphdr_t *sh, _sctph; struct sctphdr *sh, _sctph;
__be16 _ports[2], *ports = NULL; __be16 _ports[2], *ports = NULL;
if (likely(!ip_vs_iph_icmp(iph))) { if (likely(!ip_vs_iph_icmp(iph))) {
sh = skb_header_pointer(skb, iph->len, sizeof(_sctph), &_sctph); sh = skb_header_pointer(skb, iph->len, sizeof(_sctph), &_sctph);
if (sh) { if (sh) {
sch = skb_header_pointer( sch = skb_header_pointer(skb, iph->len + sizeof(_sctph),
skb, iph->len + sizeof(sctp_sctphdr_t), sizeof(_schunkh), &_schunkh);
sizeof(_schunkh), &_schunkh);
if (sch && (sch->type == SCTP_CID_INIT || if (sch && (sch->type == SCTP_CID_INIT ||
sysctl_sloppy_sctp(ipvs))) sysctl_sloppy_sctp(ipvs)))
ports = &sh->source; ports = &sh->source;
@ -77,7 +76,7 @@ sctp_conn_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
return 1; 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) unsigned int sctphoff)
{ {
sctph->checksum = sctp_compute_cksum(skb, 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, sctp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
struct ip_vs_conn *cp, struct ip_vs_iphdr *iph) struct ip_vs_conn *cp, struct ip_vs_iphdr *iph)
{ {
sctp_sctphdr_t *sctph; struct sctphdr *sctph;
unsigned int sctphoff = iph->len; unsigned int sctphoff = iph->len;
bool payload_csum = false; bool payload_csum = false;
@ -135,7 +134,7 @@ static int
sctp_dnat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp, sctp_dnat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp,
struct ip_vs_conn *cp, struct ip_vs_iphdr *iph) struct ip_vs_conn *cp, struct ip_vs_iphdr *iph)
{ {
sctp_sctphdr_t *sctph; struct sctphdr *sctph;
unsigned int sctphoff = iph->len; unsigned int sctphoff = iph->len;
bool payload_csum = false; 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); ihl = ip_hdrlen(skb);
#endif #endif
cofs = ihl + sizeof(sctp_sctphdr_t); cofs = ihl + sizeof(struct sctphdr);
sch = skb_header_pointer(skb, cofs, sizeof(_sctpch), &_sctpch); sch = skb_header_pointer(skb, cofs, sizeof(_sctpch), &_sctpch);
if (sch == NULL) if (sch == NULL)
return; return;

2
net/netfilter/nf_conntrack_proto_sctp.c
View file

@ -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) \ #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 && \ (offset) < (skb)->len && \
((sch) = skb_header_pointer((skb), (offset), sizeof(_sch), &(_sch))); \ ((sch) = skb_header_pointer((skb), (offset), sizeof(_sch), &(_sch))); \
(offset) += (ntohs((sch)->length) + 3) & ~3, (count)++) (offset) += (ntohs((sch)->length) + 3) & ~3, (count)++)

2
net/netfilter/nf_nat_proto_sctp.c
View file

@ -32,7 +32,7 @@ sctp_manip_pkt(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple, const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype) enum nf_nat_manip_type maniptype)
{ {
sctp_sctphdr_t *hdr; struct sctphdr *hdr;
int hdrsize = 8; int hdrsize = 8;
/* This could be an inner header returned in imcp packet; in such /* This could be an inner header returned in imcp packet; in such

16
net/netfilter/xt_sctp.c
View file

@ -118,8 +118,8 @@ static bool
sctp_mt(const struct sk_buff *skb, struct xt_action_param *par) sctp_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ {
const struct xt_sctp_info *info = par->matchinfo; const struct xt_sctp_info *info = par->matchinfo;
const sctp_sctphdr_t *sh; const struct sctphdr *sh;
sctp_sctphdr_t _sh; struct sctphdr _sh;
if (par->fragoff != 0) { if (par->fragoff != 0) {
pr_debug("Dropping non-first fragment.. FIXME\n"); 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] return SCCHECK(ntohs(sh->source) >= info->spts[0]
&& ntohs(sh->source) <= info->spts[1], && ntohs(sh->source) <= info->spts[1],
XT_SCTP_SRC_PORTS, info->flags, info->invflags) XT_SCTP_SRC_PORTS, info->flags, info->invflags) &&
&& SCCHECK(ntohs(sh->dest) >= info->dpts[0] SCCHECK(ntohs(sh->dest) >= info->dpts[0]
&& ntohs(sh->dest) <= info->dpts[1], && ntohs(sh->dest) <= info->dpts[1],
XT_SCTP_DEST_PORTS, info->flags, info->invflags) XT_SCTP_DEST_PORTS, info->flags, info->invflags) &&
&& SCCHECK(match_packet(skb, par->thoff + sizeof(sctp_sctphdr_t), SCCHECK(match_packet(skb, par->thoff + sizeof(_sh),
info, &par->hotdrop), info, &par->hotdrop),
XT_SCTP_CHUNK_TYPES, info->flags, info->invflags); XT_SCTP_CHUNK_TYPES, info->flags, info->invflags);
} }
static int sctp_mt_check(const struct xt_mtchk_param *par) static int sctp_mt_check(const struct xt_mtchk_param *par)