{Opt_err, NULL},
};
+inline int p9_is_proto_dotl(struct p9_client *clnt)
+{
+ return (clnt->proto_version == p9_proto_2010L);
+}
+EXPORT_SYMBOL(p9_is_proto_dotl);
+
+inline int p9_is_proto_dotu(struct p9_client *clnt)
+{
+ return (clnt->proto_version == p9_proto_2000u);
+}
+EXPORT_SYMBOL(p9_is_proto_dotu);
+
/* Interpret mount option for protocol version */
static unsigned char get_protocol_version(const substring_t *name)
{
int option;
int ret = 0;
- clnt->dotu = 1;
+ clnt->proto_version = p9_proto_2000u;
clnt->msize = 8192;
if (!opts)
}
break;
case Opt_legacy:
- clnt->dotu = 0;
+ clnt->proto_version = p9_proto_legacy;
break;
case Opt_version:
ret = get_protocol_version(&args[0]);
int ecode;
char *ename;
- err = p9pdu_readf(req->rc, c->dotu, "s?d", &ename, &ecode);
+ err = p9pdu_readf(req->rc, c->proto_version, "s?d",
+ &ename, &ecode);
if (err) {
P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n",
err);
return err;
}
- if (c->dotu)
+ if (p9_is_proto_dotu(c))
err = -ecode;
if (!err || !IS_ERR_VALUE(err))
/* marshall the data */
p9pdu_prepare(req->tc, tag, type);
va_start(ap, fmt);
- err = p9pdu_vwritef(req->tc, c->dotu, fmt, ap);
+ err = p9pdu_vwritef(req->tc, c->proto_version, fmt, ap);
va_end(ap);
p9pdu_finalize(req->tc);
char *version;
int msize;
- P9_DPRINTK(P9_DEBUG_9P, ">>> TVERSION msize %d extended %d\n",
- c->msize, c->dotu);
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TVERSION msize %d protocol %d\n",
+ c->msize, c->proto_version);
req = p9_client_rpc(c, P9_TVERSION, "ds", c->msize,
- c->dotu ? "9P2000.u" : "9P2000");
+ p9_is_proto_dotu(c) ? "9P2000.u" : "9P2000");
if (IS_ERR(req))
return PTR_ERR(req);
- err = p9pdu_readf(req->rc, c->dotu, "ds", &msize, &version);
+ err = p9pdu_readf(req->rc, c->proto_version, "ds", &msize, &version);
if (err) {
P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err);
p9pdu_dump(1, req->rc);
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RVERSION msize %d %s\n", msize, version);
- if (!memcmp(version, "9P2000.u", 8))
- c->dotu = 1;
- else if (!memcmp(version, "9P2000", 6))
- c->dotu = 0;
+ if (!strncmp(version, "9P2000.u", 8))
+ c->proto_version = p9_proto_2000u;
+ else if (!strncmp(version, "9P2000", 6))
+ c->proto_version = p9_proto_legacy;
else {
err = -EREMOTEIO;
goto error;
goto put_trans;
}
- P9_DPRINTK(P9_DEBUG_MUX, "clnt %p trans %p msize %d dotu %d\n",
- clnt, clnt->trans_mod, clnt->msize, clnt->dotu);
+ P9_DPRINTK(P9_DEBUG_MUX, "clnt %p trans %p msize %d protocol %d\n",
+ clnt, clnt->trans_mod, clnt->msize, clnt->proto_version);
err = clnt->trans_mod->create(clnt, dev_name, options);
if (err)
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
if (err) {
p9pdu_dump(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
if (err) {
p9pdu_dump(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "R", &nwqids, &wqids);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "R", &nwqids, &wqids);
if (err) {
p9pdu_dump(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
if (err) {
p9pdu_dump(1, req->rc);
goto free_and_error;
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
if (err) {
p9pdu_dump(1, req->rc);
goto free_and_error;
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "D", &count, &dataptr);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
if (err) {
p9pdu_dump(1, req->rc);
goto free_and_error;
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "d", &count);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "d", &count);
if (err) {
p9pdu_dump(1, req->rc);
goto free_and_error;
goto error;
}
- err = p9pdu_readf(req->rc, clnt->dotu, "wS", &ignored, ret);
+ err = p9pdu_readf(req->rc, clnt->proto_version, "wS", &ignored, ret);
if (err) {
p9pdu_dump(1, req->rc);
p9_free_req(clnt, req);
}
EXPORT_SYMBOL(p9_client_stat);
-static int p9_client_statsize(struct p9_wstat *wst, int optional)
+static int p9_client_statsize(struct p9_wstat *wst, int proto_version)
{
int ret;
if (wst->muid)
ret += strlen(wst->muid);
- if (optional) {
+ if (proto_version == p9_proto_2000u) {
ret += 2+4+4+4; /* extension[s] n_uid[4] n_gid[4] n_muid[4] */
if (wst->extension)
ret += strlen(wst->extension);
err = 0;
clnt = fid->clnt;
- wst->size = p9_client_statsize(wst, clnt->dotu);
+ wst->size = p9_client_statsize(wst, clnt->proto_version);
P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid);
P9_DPRINTK(P9_DEBUG_9P,
" sz=%x type=%x dev=%x qid=%x.%llx.%x\n"
#endif
static int
-p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...);
+p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
#ifdef CONFIG_NET_9P_DEBUG
void
*/
static int
-p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
+p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
+ va_list ap)
{
const char *ptr;
int errcode = 0;
int16_t len;
int size;
- errcode = p9pdu_readf(pdu, optional, "w", &len);
+ errcode = p9pdu_readf(pdu, proto_version,
+ "w", &len);
if (errcode)
break;
struct p9_qid *qid =
va_arg(ap, struct p9_qid *);
- errcode = p9pdu_readf(pdu, optional, "bdq",
+ errcode = p9pdu_readf(pdu, proto_version, "bdq",
&qid->type, &qid->version,
&qid->path);
}
stbuf->n_uid = stbuf->n_gid = stbuf->n_muid =
-1;
errcode =
- p9pdu_readf(pdu, optional,
+ p9pdu_readf(pdu, proto_version,
"wwdQdddqssss?sddd",
&stbuf->size, &stbuf->type,
&stbuf->dev, &stbuf->qid,
void **data = va_arg(ap, void **);
errcode =
- p9pdu_readf(pdu, optional, "d", count);
+ p9pdu_readf(pdu, proto_version, "d", count);
if (!errcode) {
*count =
MIN(*count,
int16_t *nwname = va_arg(ap, int16_t *);
char ***wnames = va_arg(ap, char ***);
- errcode =
- p9pdu_readf(pdu, optional, "w", nwname);
+ errcode = p9pdu_readf(pdu, proto_version,
+ "w", nwname);
if (!errcode) {
*wnames =
kmalloc(sizeof(char *) * *nwname,
for (i = 0; i < *nwname; i++) {
errcode =
- p9pdu_readf(pdu, optional,
+ p9pdu_readf(pdu,
+ proto_version,
"s",
&(*wnames)[i]);
if (errcode)
*wqids = NULL;
errcode =
- p9pdu_readf(pdu, optional, "w", nwqid);
+ p9pdu_readf(pdu, proto_version, "w", nwqid);
if (!errcode) {
*wqids =
kmalloc(*nwqid *
for (i = 0; i < *nwqid; i++) {
errcode =
- p9pdu_readf(pdu, optional,
+ p9pdu_readf(pdu,
+ proto_version,
"Q",
&(*wqids)[i]);
if (errcode)
}
break;
case '?':
- if (!optional)
+ if (proto_version != p9_proto_2000u)
return 0;
break;
default:
}
int
-p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
+p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
+ va_list ap)
{
const char *ptr;
int errcode = 0;
if (sptr)
len = MIN(strlen(sptr), USHORT_MAX);
- errcode = p9pdu_writef(pdu, optional, "w", len);
+ errcode = p9pdu_writef(pdu, proto_version,
+ "w", len);
if (!errcode && pdu_write(pdu, sptr, len))
errcode = -EFAULT;
}
const struct p9_qid *qid =
va_arg(ap, const struct p9_qid *);
errcode =
- p9pdu_writef(pdu, optional, "bdq",
+ p9pdu_writef(pdu, proto_version, "bdq",
qid->type, qid->version,
qid->path);
} break;
const struct p9_wstat *stbuf =
va_arg(ap, const struct p9_wstat *);
errcode =
- p9pdu_writef(pdu, optional,
+ p9pdu_writef(pdu, proto_version,
"wwdQdddqssss?sddd",
stbuf->size, stbuf->type,
stbuf->dev, &stbuf->qid,
int32_t count = va_arg(ap, int32_t);
const void *data = va_arg(ap, const void *);
- errcode =
- p9pdu_writef(pdu, optional, "d", count);
+ errcode = p9pdu_writef(pdu, proto_version, "d",
+ count);
if (!errcode && pdu_write(pdu, data, count))
errcode = -EFAULT;
}
int32_t count = va_arg(ap, int32_t);
const char __user *udata =
va_arg(ap, const void __user *);
- errcode =
- p9pdu_writef(pdu, optional, "d", count);
+ errcode = p9pdu_writef(pdu, proto_version, "d",
+ count);
if (!errcode && pdu_write_u(pdu, udata, count))
errcode = -EFAULT;
}
int16_t nwname = va_arg(ap, int);
const char **wnames = va_arg(ap, const char **);
- errcode =
- p9pdu_writef(pdu, optional, "w", nwname);
+ errcode = p9pdu_writef(pdu, proto_version, "w",
+ nwname);
if (!errcode) {
int i;
for (i = 0; i < nwname; i++) {
errcode =
- p9pdu_writef(pdu, optional,
+ p9pdu_writef(pdu,
+ proto_version,
"s",
wnames[i]);
if (errcode)
struct p9_qid *wqids =
va_arg(ap, struct p9_qid *);
- errcode =
- p9pdu_writef(pdu, optional, "w", nwqid);
+ errcode = p9pdu_writef(pdu, proto_version, "w",
+ nwqid);
if (!errcode) {
int i;
for (i = 0; i < nwqid; i++) {
errcode =
- p9pdu_writef(pdu, optional,
+ p9pdu_writef(pdu,
+ proto_version,
"Q",
&wqids[i]);
if (errcode)
}
break;
case '?':
- if (!optional)
+ if (proto_version != p9_proto_2000u)
return 0;
break;
default:
return errcode;
}
-int p9pdu_readf(struct p9_fcall *pdu, int optional, const char *fmt, ...)
+int p9pdu_readf(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
- ret = p9pdu_vreadf(pdu, optional, fmt, ap);
+ ret = p9pdu_vreadf(pdu, proto_version, fmt, ap);
va_end(ap);
return ret;
}
static int
-p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...)
+p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
- ret = p9pdu_vwritef(pdu, optional, fmt, ap);
+ ret = p9pdu_vwritef(pdu, proto_version, fmt, ap);
va_end(ap);
return ret;
}
-int p9stat_read(char *buf, int len, struct p9_wstat *st, int dotu)
+int p9stat_read(char *buf, int len, struct p9_wstat *st, int proto_version)
{
struct p9_fcall fake_pdu;
int ret;
fake_pdu.sdata = buf;
fake_pdu.offset = 0;
- ret = p9pdu_readf(&fake_pdu, dotu, "S", st);
+ ret = p9pdu_readf(&fake_pdu, proto_version, "S", st);
if (ret) {
P9_DPRINTK(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret);
p9pdu_dump(1, &fake_pdu);