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sctp: remove the typedef sctp_paramhdr_t

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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: 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 11:52:16 +08:00 committed by David S. Miller
parent ec431c2cd5
commit 3c91870492
10 changed files with 79 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
include/linux/sctp.h
View File

@ -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;

2
include/net/sctp/sctp.h
View File

@ -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)\

5
include/net/sctp/structs.h
View File

@ -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.

6
net/sctp/associola.c
View File

@ -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;

22
net/sctp/auth.c
View File

@ -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;
}

7
net/sctp/endpointola.c
View File

@ -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);
}
}

47
net/sctp/sm_make_chunk.c
View File

@ -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 @@ do_addr_param:
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 @@ do_addr_param:
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:

6
net/sctp/sm_statefuns.c
View File

@ -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)

7
net/sctp/socket.c
View File

@ -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;

4
net/sctp/stream.c
View File

@ -304,7 +304,7 @@ out:
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);