}
/* Determines the OFPRAW_* type of the OpenFlow message in 'msg', which starts
- * at 'ofpbuf_data(msg)' and has length 'ofpbuf_size(msg)' bytes. On success,
+ * at 'msg->data' and has length 'msg->size' bytes. On success,
* returns 0 and stores the type into '*rawp'. On failure, returns an OFPERR_*
* error code and zeros '*rawp'.
*
* In addition to setting '*rawp', this function pulls off the OpenFlow header
* (including the stats headers, vendor header, and any subtype header) with
* ofpbuf_pull(). It also sets 'msg->frame' to the start of the OpenFlow
- * header and 'msg->l3' just beyond the headers (that is, to the final value of
- * ofpbuf_data(msg)). */
+ * header and 'msg->msg' just beyond the headers (that is, to the final value of
+ * msg->data). */
enum ofperr
ofpraw_pull(enum ofpraw *rawp, struct ofpbuf *msg)
{
enum ofpraw raw;
/* Set default outputs. */
- msg->frame = ofpbuf_data(msg);
- ofpbuf_set_l3(msg, msg->frame);
+ msg->header = msg->data;
+ msg->msg = msg->header;
*rawp = 0;
- len = ofpbuf_size(msg);
- error = ofphdrs_decode(&hdrs, ofpbuf_data(msg), len);
+ len = msg->size;
+ error = ofphdrs_decode(&hdrs, msg->data, len);
if (error) {
return error;
}
info = raw_info_get(raw);
instance = raw_instance_get(info, hdrs.version);
- msg->frame = ofpbuf_pull(msg, instance->hdrs_len);
- ofpbuf_set_l3(msg, ofpbuf_data(msg));
+ msg->header = ofpbuf_pull(msg, instance->hdrs_len);
+ msg->msg = msg->data;
min_len = instance->hdrs_len + info->min_body;
switch (info->extra_multiple) {
* must specify a valid (raw, version) pair.
*
* Upon return, 'buf->frame' points to the beginning of the OpenFlow header and
- * 'buf->l3' points just after it, to where the message's body will start. The
+ * 'buf->msg' points just after it, to where the message's body will start. The
* caller must actually allocating the body into the space reserved for it,
* e.g. with ofpbuf_put_uninit(). */
void
ofpbuf_prealloc_tailroom(buf, (instance->hdrs_len + info->min_body
+ extra_tailroom));
- buf->frame = ofpbuf_put_uninit(buf, instance->hdrs_len);
- ofpbuf_set_l3(buf, ofpbuf_tail(buf));
+ buf->header = ofpbuf_put_uninit(buf, instance->hdrs_len);
+ buf->msg = ofpbuf_tail(buf);
- oh = buf->frame;
+ oh = buf->header;
oh->version = version;
oh->type = hdrs->type;
- oh->length = htons(ofpbuf_size(buf));
+ oh->length = htons(buf->size);
oh->xid = xid;
if (hdrs->type == OFPT_VENDOR) {
- struct nicira_header *nh = buf->frame;
+ struct nicira_header *nh = buf->header;
ovs_assert(hdrs->vendor == NX_VENDOR_ID);
nh->vendor = htonl(hdrs->vendor);
} else if (version == OFP10_VERSION
&& (hdrs->type == OFPT10_STATS_REQUEST ||
hdrs->type == OFPT10_STATS_REPLY)) {
- struct ofp10_stats_msg *osm = buf->frame;
+ struct ofp10_stats_msg *osm = buf->header;
osm->type = htons(hdrs->stat);
osm->flags = htons(0);
if (hdrs->stat == OFPST_VENDOR) {
- struct ofp10_vendor_stats_msg *ovsm = buf->frame;
+ struct ofp10_vendor_stats_msg *ovsm = buf->header;
ovsm->vendor = htonl(hdrs->vendor);
if (hdrs->vendor == NX_VENDOR_ID) {
- struct nicira10_stats_msg *nsm = buf->frame;
+ struct nicira10_stats_msg *nsm = buf->header;
nsm->subtype = htonl(hdrs->subtype);
memset(nsm->pad, 0, sizeof nsm->pad);
} else if (version != OFP10_VERSION
&& (hdrs->type == OFPT11_STATS_REQUEST ||
hdrs->type == OFPT11_STATS_REPLY)) {
- struct ofp11_stats_msg *osm = buf->frame;
+ struct ofp11_stats_msg *osm = buf->header;
osm->type = htons(hdrs->stat);
osm->flags = htons(0);
memset(osm->pad, 0, sizeof osm->pad);
if (hdrs->stat == OFPST_VENDOR) {
- struct ofp11_vendor_stats_msg *ovsm = buf->frame;
+ struct ofp11_vendor_stats_msg *ovsm = buf->header;
ovsm->vendor = htonl(hdrs->vendor);
if (hdrs->vendor == NX_VENDOR_ID) {
- struct nicira11_stats_msg *nsm = buf->frame;
+ struct nicira11_stats_msg *nsm = buf->header;
nsm->subtype = htonl(hdrs->subtype);
} else {
}
/* Determines the OFPTYPE_* type of the OpenFlow message in 'msg', which starts
- * at 'ofpbuf_data(msg)' and has length 'ofpbuf_size(msg)' bytes. On success,
+ * at 'msg->data' and has length 'msg->size' bytes. On success,
* returns 0 and stores the type into '*typep'. On failure, returns an
* OFPERR_* error code and zeros '*typep'.
*
* In addition to setting '*typep', this function pulls off the OpenFlow header
* (including the stats headers, vendor header, and any subtype header) with
* ofpbuf_pull(). It also sets 'msg->frame' to the start of the OpenFlow
- * header and 'msg->l3' just beyond the headers (that is, to the final value of
- * ofpbuf_data(msg)). */
+ * header and 'msg->msg' just beyond the headers (that is, to the final value of
+ * msg->data). */
enum ofperr
ofptype_pull(enum ofptype *typep, struct ofpbuf *buf)
{
}
\f
/* Updates the 'length' field of the OpenFlow message in 'buf' to
- * 'ofpbuf_size(buf)'. */
+ * 'buf->size'. */
void
ofpmsg_update_length(struct ofpbuf *buf)
{
struct ofp_header *oh = ofpbuf_at_assert(buf, 0, sizeof *oh);
- oh->length = htons(ofpbuf_size(buf));
+ oh->length = htons(buf->size);
}
/* Returns just past the OpenFlow header (including the stats headers, vendor
{
struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
- if (ofpbuf_size(msg) + len <= UINT16_MAX) {
+ if (msg->size + len <= UINT16_MAX) {
ofpbuf_prealloc_tailroom(msg, len);
return msg;
} else {
struct ofpbuf *next;
struct ofphdrs hdrs;
- ofphdrs_decode_assert(&hdrs, ofpbuf_data(msg), ofpbuf_size(msg));
+ ofphdrs_decode_assert(&hdrs, msg->data, msg->size);
hdrs_len = ofphdrs_len(&hdrs);
next = ofpbuf_new(MAX(1024, hdrs_len + len));
- ofpbuf_put(next, ofpbuf_data(msg), hdrs_len);
- next->frame = ofpbuf_data(next);
- ofpbuf_set_l3(next, ofpbuf_tail(next));
+ ofpbuf_put(next, msg->data, hdrs_len);
+ next->header = next->data;
+ next->msg = ofpbuf_tail(next);
list_push_back(replies, &next->list_node);
- *ofpmp_flags__(ofpbuf_data(msg)) |= htons(OFPSF_REPLY_MORE);
+ *ofpmp_flags__(msg->data) |= htons(OFPSF_REPLY_MORE);
return next;
}
struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
ovs_assert(start_ofs <= UINT16_MAX);
- if (ofpbuf_size(msg) > UINT16_MAX) {
- size_t len = ofpbuf_size(msg) - start_ofs;
+ if (msg->size > UINT16_MAX) {
+ size_t len = msg->size - start_ofs;
memcpy(ofpmp_append(replies, len),
- (const uint8_t *) ofpbuf_data(msg) + start_ofs, len);
- ofpbuf_set_size(msg, start_ofs);
+ (const uint8_t *) msg->data + start_ofs, len);
+ msg->size = start_ofs;
}
}
ofpmp_version(struct ovs_list *replies)
{
struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
- const struct ofp_header *oh = ofpbuf_data(msg);
+ const struct ofp_header *oh = msg->data;
return oh->version;
}
enum ofperr error;
enum ofpraw raw;
- error = ofpraw_decode_partial(&raw, ofpbuf_data(msg), ofpbuf_size(msg));
+ error = ofpraw_decode_partial(&raw, msg->data, msg->size);
ovs_assert(!error);
return raw;
}
projects / cascardo / ovs.git / blobdiff