Commit 3c918704 authored by Xin Long's avatar Xin Long Committed by David S. Miller

sctp: remove the typedef sctp_paramhdr_t

This patch is to remove the typedef sctp_paramhdr_t, and replace
with struct sctp_paramhdr 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: default avatarXin Long <lucien.xin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ec431c2c
......@@ -162,10 +162,10 @@ enum { SCTP_CHUNK_FLAG_T = 0x01 };
* Section 3.2.1 Optional/Variable-length Parmaeter Format.
*/
typedef struct sctp_paramhdr {
struct sctp_paramhdr {
__be16 type;
__be16 length;
} sctp_paramhdr_t;
};
typedef enum {
......@@ -274,37 +274,37 @@ typedef struct sctp_init_chunk {
/* Section 3.3.2.1. IPv4 Address Parameter (5) */
typedef struct sctp_ipv4addr_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
struct in_addr addr;
} sctp_ipv4addr_param_t;
/* Section 3.3.2.1. IPv6 Address Parameter (6) */
typedef struct sctp_ipv6addr_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
struct in6_addr addr;
} sctp_ipv6addr_param_t;
/* Section 3.3.2.1 Cookie Preservative (9) */
typedef struct sctp_cookie_preserve_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__be32 lifespan_increment;
} sctp_cookie_preserve_param_t;
/* Section 3.3.2.1 Host Name Address (11) */
typedef struct sctp_hostname_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
uint8_t hostname[0];
} sctp_hostname_param_t;
/* Section 3.3.2.1 Supported Address Types (12) */
typedef struct sctp_supported_addrs_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__be16 types[0];
} sctp_supported_addrs_param_t;
/* Appendix A. ECN Capable (32768) */
typedef struct sctp_ecn_capable_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
} sctp_ecn_capable_param_t;
/* ADDIP Section 3.2.6 Adaptation Layer Indication */
......@@ -321,19 +321,19 @@ typedef struct sctp_supported_ext_param {
/* AUTH Section 3.1 Random */
typedef struct sctp_random_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u8 random_val[0];
} sctp_random_param_t;
/* AUTH Section 3.2 Chunk List */
typedef struct sctp_chunks_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u8 chunks[0];
} sctp_chunks_param_t;
/* AUTH Section 3.3 HMAC Algorithm */
typedef struct sctp_hmac_algo_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__be16 hmac_ids[0];
} sctp_hmac_algo_param_t;
......@@ -345,14 +345,14 @@ typedef sctp_init_chunk_t sctp_initack_chunk_t;
/* Section 3.3.3.1 State Cookie (7) */
typedef struct sctp_cookie_param {
sctp_paramhdr_t p;
struct sctp_paramhdr p;
__u8 body[0];
} sctp_cookie_param_t;
/* Section 3.3.3.1 Unrecognized Parameters (8) */
typedef struct sctp_unrecognized_param {
sctp_paramhdr_t param_hdr;
sctp_paramhdr_t unrecognized;
struct sctp_paramhdr param_hdr;
struct sctp_paramhdr unrecognized;
} sctp_unrecognized_param_t;
......@@ -399,7 +399,7 @@ typedef struct sctp_sack_chunk {
*/
typedef struct sctp_heartbeathdr {
sctp_paramhdr_t info;
struct sctp_paramhdr info;
} sctp_heartbeathdr_t;
typedef struct sctp_heartbeat_chunk {
......@@ -639,7 +639,7 @@ struct sctp_fwdtsn_chunk {
* report status of ASCONF processing.
*/
typedef struct sctp_addip_param {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__be32 crr_id;
} sctp_addip_param_t;
......@@ -724,7 +724,7 @@ struct sctp_reconf_chunk {
};
struct sctp_strreset_outreq {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u32 request_seq;
__u32 response_seq;
__u32 send_reset_at_tsn;
......@@ -732,18 +732,18 @@ struct sctp_strreset_outreq {
};
struct sctp_strreset_inreq {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u32 request_seq;
__u16 list_of_streams[0];
};
struct sctp_strreset_tsnreq {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u32 request_seq;
};
struct sctp_strreset_addstrm {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u32 request_seq;
__u16 number_of_streams;
__u16 reserved;
......@@ -760,13 +760,13 @@ enum {
};
struct sctp_strreset_resp {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u32 response_seq;
__u32 result;
};
struct sctp_strreset_resptsn {
sctp_paramhdr_t param_hdr;
struct sctp_paramhdr param_hdr;
__u32 response_seq;
__u32 result;
__u32 senders_next_tsn;
......
......@@ -470,7 +470,7 @@ _sctp_walk_params((pos), (chunk), ntohs((chunk)->chunk_hdr.length), member)
#define _sctp_walk_params(pos, chunk, end, member)\
for (pos.v = chunk->member;\
pos.v <= (void *)chunk + end - ntohs(pos.p->length) &&\
ntohs(pos.p->length) >= sizeof(sctp_paramhdr_t);\
ntohs(pos.p->length) >= sizeof(struct sctp_paramhdr);\
pos.v += SCTP_PAD4(ntohs(pos.p->length)))
#define sctp_walk_errors(err, chunk_hdr)\
......
......@@ -310,9 +310,10 @@ struct sctp_cookie {
__u32 adaptation_ind;
__u8 auth_random[sizeof(sctp_paramhdr_t) + SCTP_AUTH_RANDOM_LENGTH];
__u8 auth_random[sizeof(struct sctp_paramhdr) +
SCTP_AUTH_RANDOM_LENGTH];
__u8 auth_hmacs[SCTP_AUTH_NUM_HMACS * sizeof(__u16) + 2];
__u8 auth_chunks[sizeof(sctp_paramhdr_t) + SCTP_AUTH_MAX_CHUNKS];
__u8 auth_chunks[sizeof(struct sctp_paramhdr) + SCTP_AUTH_MAX_CHUNKS];
/* This is a shim for my peer's INIT packet, followed by
* a copy of the raw address list of the association.
......
......@@ -71,7 +71,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
{
struct net *net = sock_net(sk);
struct sctp_sock *sp;
sctp_paramhdr_t *p;
struct sctp_paramhdr *p;
int i;
/* Retrieve the SCTP per socket area. */
......@@ -284,9 +284,9 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
ntohs(ep->auth_chunk_list->param_hdr.length));
/* Get the AUTH random number for this association */
p = (sctp_paramhdr_t *)asoc->c.auth_random;
p = (struct sctp_paramhdr *)asoc->c.auth_random;
p->type = SCTP_PARAM_RANDOM;
p->length = htons(sizeof(sctp_paramhdr_t) + SCTP_AUTH_RANDOM_LENGTH);
p->length = htons(sizeof(*p) + SCTP_AUTH_RANDOM_LENGTH);
get_random_bytes(p+1, SCTP_AUTH_RANDOM_LENGTH);
return asoc;
......
......@@ -538,7 +538,8 @@ struct sctp_hmac *sctp_auth_asoc_get_hmac(const struct sctp_association *asoc)
if (!hmacs)
return NULL;
n_elt = (ntohs(hmacs->param_hdr.length) - sizeof(sctp_paramhdr_t)) >> 1;
n_elt = (ntohs(hmacs->param_hdr.length) -
sizeof(struct sctp_paramhdr)) >> 1;
for (i = 0; i < n_elt; i++) {
id = ntohs(hmacs->hmac_ids[i]);
......@@ -589,7 +590,8 @@ int sctp_auth_asoc_verify_hmac_id(const struct sctp_association *asoc,
return 0;
hmacs = (struct sctp_hmac_algo_param *)asoc->c.auth_hmacs;
n_elt = (ntohs(hmacs->param_hdr.length) - sizeof(sctp_paramhdr_t)) >> 1;
n_elt = (ntohs(hmacs->param_hdr.length) -
sizeof(struct sctp_paramhdr)) >> 1;
return __sctp_auth_find_hmacid(hmacs->hmac_ids, n_elt, hmac_id);
}
......@@ -612,8 +614,8 @@ void sctp_auth_asoc_set_default_hmac(struct sctp_association *asoc,
if (asoc->default_hmac_id)
return;
n_params = (ntohs(hmacs->param_hdr.length)
- sizeof(sctp_paramhdr_t)) >> 1;
n_params = (ntohs(hmacs->param_hdr.length) -
sizeof(struct sctp_paramhdr)) >> 1;
ep = asoc->ep;
for (i = 0; i < n_params; i++) {
id = ntohs(hmacs->hmac_ids[i]);
......@@ -641,7 +643,7 @@ static int __sctp_auth_cid(enum sctp_cid chunk, struct sctp_chunks_param *param)
if (!param || param->param_hdr.length == 0)
return 0;
len = ntohs(param->param_hdr.length) - sizeof(sctp_paramhdr_t);
len = ntohs(param->param_hdr.length) - sizeof(struct sctp_paramhdr);
/* SCTP-AUTH, Section 3.2
* The chunk types for INIT, INIT-ACK, SHUTDOWN-COMPLETE and AUTH
......@@ -775,7 +777,7 @@ int sctp_auth_ep_add_chunkid(struct sctp_endpoint *ep, __u8 chunk_id)
/* Check if we can add this chunk to the array */
param_len = ntohs(p->param_hdr.length);
nchunks = param_len - sizeof(sctp_paramhdr_t);
nchunks = param_len - sizeof(struct sctp_paramhdr);
if (nchunks == SCTP_NUM_CHUNK_TYPES)
return -EINVAL;
......@@ -812,9 +814,11 @@ int sctp_auth_ep_set_hmacs(struct sctp_endpoint *ep,
return -EINVAL;
for (i = 0; i < hmacs->shmac_num_idents; i++)
ep->auth_hmacs_list->hmac_ids[i] = htons(hmacs->shmac_idents[i]);
ep->auth_hmacs_list->param_hdr.length = htons(sizeof(sctp_paramhdr_t) +
hmacs->shmac_num_idents * sizeof(__u16));
ep->auth_hmacs_list->hmac_ids[i] =
htons(hmacs->shmac_idents[i]);
ep->auth_hmacs_list->param_hdr.length =
htons(sizeof(struct sctp_paramhdr) +
hmacs->shmac_num_idents * sizeof(__u16));
return 0;
}
......
......@@ -90,12 +90,13 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
*/
auth_hmacs->param_hdr.type = SCTP_PARAM_HMAC_ALGO;
auth_hmacs->param_hdr.length =
htons(sizeof(sctp_paramhdr_t) + 2);
htons(sizeof(struct sctp_paramhdr) + 2);
auth_hmacs->hmac_ids[0] = htons(SCTP_AUTH_HMAC_ID_SHA1);
/* Initialize the CHUNKS parameter */
auth_chunks->param_hdr.type = SCTP_PARAM_CHUNKS;
auth_chunks->param_hdr.length = htons(sizeof(sctp_paramhdr_t));
auth_chunks->param_hdr.length =
htons(sizeof(struct sctp_paramhdr));
/* If the Add-IP functionality is enabled, we must
* authenticate, ASCONF and ASCONF-ACK chunks
......@@ -104,7 +105,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
auth_chunks->chunks[0] = SCTP_CID_ASCONF;
auth_chunks->chunks[1] = SCTP_CID_ASCONF_ACK;
auth_chunks->param_hdr.length =
htons(sizeof(sctp_paramhdr_t) + 2);
htons(sizeof(struct sctp_paramhdr) + 2);
}
}
......
......@@ -229,7 +229,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
sctp_supported_ext_param_t ext_param;
int num_ext = 0;
__u8 extensions[3];
sctp_paramhdr_t *auth_chunks = NULL,
struct sctp_paramhdr *auth_chunks = NULL,
*auth_hmacs = NULL;
/* RFC 2960 3.3.2 Initiation (INIT) (1)
......@@ -286,14 +286,14 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
chunksize += sizeof(asoc->c.auth_random);
/* Add HMACS parameter length if any were defined */
auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
auth_hmacs = (struct sctp_paramhdr *)asoc->c.auth_hmacs;
if (auth_hmacs->length)
chunksize += SCTP_PAD4(ntohs(auth_hmacs->length));
else
auth_hmacs = NULL;
/* Add CHUNKS parameter length */
auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
auth_chunks = (struct sctp_paramhdr *)asoc->c.auth_chunks;
if (auth_chunks->length)
chunksize += SCTP_PAD4(ntohs(auth_chunks->length));
else
......@@ -397,7 +397,7 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
sctp_supported_ext_param_t ext_param;
int num_ext = 0;
__u8 extensions[3];
sctp_paramhdr_t *auth_chunks = NULL,
struct sctp_paramhdr *auth_chunks = NULL,
*auth_hmacs = NULL,
*auth_random = NULL;
......@@ -448,16 +448,16 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
chunksize += sizeof(aiparam);
if (asoc->peer.auth_capable) {
auth_random = (sctp_paramhdr_t *)asoc->c.auth_random;
auth_random = (struct sctp_paramhdr *)asoc->c.auth_random;
chunksize += ntohs(auth_random->length);
auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
auth_hmacs = (struct sctp_paramhdr *)asoc->c.auth_hmacs;
if (auth_hmacs->length)
chunksize += SCTP_PAD4(ntohs(auth_hmacs->length));
else
auth_hmacs = NULL;
auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
auth_chunks = (struct sctp_paramhdr *)asoc->c.auth_chunks;
if (auth_chunks->length)
chunksize += SCTP_PAD4(ntohs(auth_chunks->length));
else
......@@ -1085,18 +1085,18 @@ struct sctp_chunk *sctp_make_abort_violation(
struct sctp_chunk *retval;
struct sctp_paramhdr phdr;
retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen
+ sizeof(sctp_paramhdr_t));
retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen +
sizeof(phdr));
if (!retval)
goto end;
sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, paylen
+ sizeof(sctp_paramhdr_t));
sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, paylen +
sizeof(phdr));
phdr.type = htons(chunk->chunk_hdr->type);
phdr.length = chunk->chunk_hdr->length;
sctp_addto_chunk(retval, paylen, payload);
sctp_addto_param(retval, sizeof(sctp_paramhdr_t), &phdr);
sctp_addto_param(retval, sizeof(phdr), &phdr);
end:
return retval;
......@@ -1110,16 +1110,16 @@ struct sctp_chunk *sctp_make_violation_paramlen(
struct sctp_chunk *retval;
static const char error[] = "The following parameter had invalid length:";
size_t payload_len = sizeof(error) + sizeof(sctp_errhdr_t) +
sizeof(sctp_paramhdr_t);
sizeof(*param);
retval = sctp_make_abort(asoc, chunk, payload_len);
if (!retval)
goto nodata;
sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION,
sizeof(error) + sizeof(sctp_paramhdr_t));
sizeof(error) + sizeof(*param));
sctp_addto_chunk(retval, sizeof(error), error);
sctp_addto_param(retval, sizeof(sctp_paramhdr_t), param);
sctp_addto_param(retval, sizeof(*param), param);
nodata:
return retval;
......@@ -1614,7 +1614,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
/* Header size is static data prior to the actual cookie, including
* any padding.
*/
headersize = sizeof(sctp_paramhdr_t) +
headersize = sizeof(struct sctp_paramhdr) +
(sizeof(struct sctp_signed_cookie) -
sizeof(struct sctp_cookie));
bodysize = sizeof(struct sctp_cookie)
......@@ -1975,7 +1975,7 @@ static int sctp_process_hn_param(const struct sctp_association *asoc,
static int sctp_verify_ext_param(struct net *net, union sctp_params param)
{
__u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
__u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
int have_auth = 0;
int have_asconf = 0;
int i;
......@@ -2010,7 +2010,7 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
union sctp_params param)
{
struct net *net = sock_net(asoc->base.sk);
__u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
__u16 num_ext = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
int i;
for (i = 0; i < num_ext; i++) {
......@@ -2180,7 +2180,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
* cause 'Protocol Violation'.
*/
if (SCTP_AUTH_RANDOM_LENGTH !=
ntohs(param.p->length) - sizeof(sctp_paramhdr_t)) {
ntohs(param.p->length) - sizeof(struct sctp_paramhdr)) {
sctp_process_inv_paramlength(asoc, param.p,
chunk, err_chunk);
retval = SCTP_IERROR_ABORT;
......@@ -2208,7 +2208,8 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
goto fallthrough;
hmacs = (struct sctp_hmac_algo_param *)param.p;
n_elt = (ntohs(param.p->length) - sizeof(sctp_paramhdr_t)) >> 1;
n_elt = (ntohs(param.p->length) -
sizeof(struct sctp_paramhdr)) >> 1;
/* SCTP-AUTH: Section 6.1
* The HMAC algorithm based on SHA-1 MUST be supported and
......@@ -2565,7 +2566,7 @@ static int sctp_process_param(struct sctp_association *asoc,
asoc->peer.ipv4_address = 1;
/* Cycle through address types; avoid divide by 0. */
sat = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
sat = ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
if (sat)
sat /= sizeof(__u16);
......@@ -2592,7 +2593,7 @@ static int sctp_process_param(struct sctp_association *asoc,
case SCTP_PARAM_STATE_COOKIE:
asoc->peer.cookie_len =
ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
ntohs(param.p->length) - sizeof(struct sctp_paramhdr);
asoc->peer.cookie = param.cookie->body;
break;
......@@ -3176,7 +3177,7 @@ bool sctp_verify_asconf(const struct sctp_association *asoc,
return false;
length = ntohs(param.addip->param_hdr.length);
if (length < sizeof(sctp_addip_param_t) +
sizeof(sctp_paramhdr_t))
sizeof(**errp))
return false;
break;
case SCTP_PARAM_SUCCESS_REPORT:
......
......@@ -1081,7 +1081,7 @@ sctp_disposition_t sctp_sf_beat_8_3(struct net *net,
void *arg,
sctp_cmd_seq_t *commands)
{
sctp_paramhdr_t *param_hdr;
struct sctp_paramhdr *param_hdr;
struct sctp_chunk *chunk = arg;
struct sctp_chunk *reply;
size_t paylen = 0;
......@@ -1098,8 +1098,8 @@ sctp_disposition_t sctp_sf_beat_8_3(struct net *net,
* respond with a HEARTBEAT ACK that contains the Heartbeat
* Information field copied from the received HEARTBEAT chunk.
*/
chunk->subh.hb_hdr = (sctp_heartbeathdr_t *) chunk->skb->data;
param_hdr = (sctp_paramhdr_t *) chunk->subh.hb_hdr;
chunk->subh.hb_hdr = (sctp_heartbeathdr_t *)chunk->skb->data;
param_hdr = (struct sctp_paramhdr *)chunk->subh.hb_hdr;
paylen = ntohs(chunk->chunk_hdr->length) - sizeof(struct sctp_chunkhdr);
if (ntohs(param_hdr->length) > paylen)
......
......@@ -6033,7 +6033,8 @@ static int sctp_getsockopt_hmac_ident(struct sock *sk, int len,
return -EACCES;
hmacs = ep->auth_hmacs_list;
data_len = ntohs(hmacs->param_hdr.length) - sizeof(sctp_paramhdr_t);
data_len = ntohs(hmacs->param_hdr.length) -
sizeof(struct sctp_paramhdr);
if (len < sizeof(struct sctp_hmacalgo) + data_len)
return -EINVAL;
......@@ -6117,7 +6118,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
goto num;
/* See if the user provided enough room for all the data */
num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr);
if (len < num_chunks)
return -EINVAL;
......@@ -6165,7 +6166,7 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
if (!ch)
goto num;
num_chunks = ntohs(ch->param_hdr.length) - sizeof(sctp_paramhdr_t);
num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr);
if (len < sizeof(struct sctp_authchunks) + num_chunks)
return -EINVAL;
......
......@@ -304,7 +304,7 @@ int sctp_send_add_streams(struct sctp_association *asoc,
return retval;
}
static sctp_paramhdr_t *sctp_chunk_lookup_strreset_param(
static struct sctp_paramhdr *sctp_chunk_lookup_strreset_param(
struct sctp_association *asoc, __u32 resp_seq,
__be16 type)
{
......@@ -749,7 +749,7 @@ struct sctp_chunk *sctp_process_strreset_resp(
struct sctp_strreset_resp *resp = param.v;
struct sctp_transport *t;
__u16 i, nums, flags = 0;
sctp_paramhdr_t *req;
struct sctp_paramhdr *req;
__u32 result;
req = sctp_chunk_lookup_strreset_param(asoc, resp->response_seq, 0);
......
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