/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "unaligned.h"
#include "type-props.h"
#include "vlog.h"
+#include "bitmap.h"
VLOG_DEFINE_THIS_MODULE(ofp_util);
* in the peer and so there's not much point in showing a lot of them. */
static struct vlog_rate_limit bad_ofmsg_rl = VLOG_RATE_LIMIT_INIT(1, 5);
+static enum ofputil_table_miss ofputil_table_miss_from_config(
+ ovs_be32 config_, enum ofp_version);
+
+struct ofp_prop_header {
+ ovs_be16 type;
+ ovs_be16 len;
+};
+
+/* Pulls a property, beginning with struct ofp_prop_header, from the beginning
+ * of 'msg'. Stores the type of the property in '*typep' and, if 'property' is
+ * nonnull, the entire property, including the header, in '*property'. Returns
+ * 0 if successful, otherwise an error code.
+ *
+ * This function pulls the property's stated size padded out to a multiple of
+ * 'alignment' bytes. The common case in OpenFlow is an 'alignment' of 8, so
+ * you can use ofputil_pull_property() for that case. */
+static enum ofperr
+ofputil_pull_property__(struct ofpbuf *msg, struct ofpbuf *property,
+ unsigned int alignment, uint16_t *typep)
+{
+ struct ofp_prop_header *oph;
+ unsigned int padded_len;
+ unsigned int len;
+
+ if (ofpbuf_size(msg) < sizeof *oph) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ oph = ofpbuf_data(msg);
+ len = ntohs(oph->len);
+ padded_len = ROUND_UP(len, alignment);
+ if (len < sizeof *oph || padded_len > ofpbuf_size(msg)) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ *typep = ntohs(oph->type);
+ if (property) {
+ ofpbuf_use_const(property, ofpbuf_data(msg), len);
+ }
+ ofpbuf_pull(msg, padded_len);
+ return 0;
+}
+
+/* Pulls a property, beginning with struct ofp_prop_header, from the beginning
+ * of 'msg'. Stores the type of the property in '*typep' and, if 'property' is
+ * nonnull, the entire property, including the header, in '*property'. Returns
+ * 0 if successful, otherwise an error code.
+ *
+ * This function pulls the property's stated size padded out to a multiple of
+ * 8 bytes, which is the common case for OpenFlow properties. */
+static enum ofperr
+ofputil_pull_property(struct ofpbuf *msg, struct ofpbuf *property,
+ uint16_t *typep)
+{
+ return ofputil_pull_property__(msg, property, 8, typep);
+}
+
+static void PRINTF_FORMAT(2, 3)
+log_property(bool loose, const char *message, ...)
+{
+ enum vlog_level level = loose ? VLL_DBG : VLL_WARN;
+ if (!vlog_should_drop(THIS_MODULE, level, &bad_ofmsg_rl)) {
+ va_list args;
+
+ va_start(args, message);
+ vlog_valist(THIS_MODULE, level, message, args);
+ va_end(args);
+ }
+}
+
+static size_t
+start_property(struct ofpbuf *msg, uint16_t type)
+{
+ size_t start_ofs = ofpbuf_size(msg);
+ struct ofp_prop_header *oph;
+
+ oph = ofpbuf_put_uninit(msg, sizeof *oph);
+ oph->type = htons(type);
+ oph->len = htons(4); /* May be updated later by end_property(). */
+ return start_ofs;
+}
+
+static void
+end_property(struct ofpbuf *msg, size_t start_ofs)
+{
+ struct ofp_prop_header *oph;
+
+ oph = ofpbuf_at_assert(msg, start_ofs, sizeof *oph);
+ oph->len = htons(ofpbuf_size(msg) - start_ofs);
+ ofpbuf_padto(msg, ROUND_UP(ofpbuf_size(msg), 8));
+}
+
+static void
+put_bitmap_properties(struct ofpbuf *msg, uint64_t bitmap)
+{
+ for (; bitmap; bitmap = zero_rightmost_1bit(bitmap)) {
+ start_property(msg, rightmost_1bit_idx(bitmap));
+ }
+}
+
/* Given the wildcard bit count in the least-significant 6 of 'wcbits', returns
* an IP netmask with a 1 in each bit that must match and a 0 in each bit that
* is wildcarded.
void
ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *wc)
{
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 22);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 28);
/* Initialize most of wc. */
flow_wildcards_init_catchall(wc);
match->wc.masks.vlan_tci = htons(0xffff);
} else {
ovs_be16 vid, pcp, tci;
+ uint16_t hpcp;
vid = ofmatch->dl_vlan & htons(VLAN_VID_MASK);
- pcp = htons((ofmatch->dl_vlan_pcp << VLAN_PCP_SHIFT) & VLAN_PCP_MASK);
+ hpcp = (ofmatch->dl_vlan_pcp << VLAN_PCP_SHIFT) & VLAN_PCP_MASK;
+ pcp = htons(hpcp);
tci = vid | pcp | htons(VLAN_CFI);
match->flow.vlan_tci = tci & match->wc.masks.vlan_tci;
}
ofputil_pull_ofp11_match(struct ofpbuf *buf, struct match *match,
uint16_t *padded_match_len)
{
- struct ofp11_match_header *omh = buf->data;
+ struct ofp11_match_header *omh = ofpbuf_data(buf);
uint16_t match_len;
- if (buf->size < sizeof *omh) {
+ if (ofpbuf_size(buf) < sizeof *omh) {
return OFPERR_OFPBMC_BAD_LEN;
}
case OFPMT_STANDARD: {
struct ofp11_match *om;
- if (match_len != sizeof *om || buf->size < sizeof *om) {
+ if (match_len != sizeof *om || ofpbuf_size(buf) < sizeof *om) {
return OFPERR_OFPBMC_BAD_LEN;
}
om = ofpbuf_pull(buf, sizeof *om);
}
if (eth_type_mpls(match->flow.dl_type)) {
- enum { OFPFW11_MPLS_ALL = OFPFW11_MPLS_LABEL | OFPFW11_MPLS_TC };
-
- if ((wc & OFPFW11_MPLS_ALL) != OFPFW11_MPLS_ALL) {
- /* MPLS not supported. */
- return OFPERR_OFPBMC_BAD_TAG;
+ if (!(wc & OFPFW11_MPLS_LABEL)) {
+ match_set_mpls_label(match, 0, ofmatch->mpls_label);
+ }
+ if (!(wc & OFPFW11_MPLS_TC)) {
+ match_set_mpls_tc(match, 0, ofmatch->mpls_tc);
}
}
ofmatch->tp_dst = match->flow.tp_dst;
}
- /* MPLS not supported. */
- wc |= OFPFW11_MPLS_LABEL;
- wc |= OFPFW11_MPLS_TC;
+ if (!(match->wc.masks.mpls_lse[0] & htonl(MPLS_LABEL_MASK))) {
+ wc |= OFPFW11_MPLS_LABEL;
+ } else {
+ ofmatch->mpls_label = htonl(mpls_lse_to_label(
+ match->flow.mpls_lse[0]));
+ }
+
+ if (!(match->wc.masks.mpls_lse[0] & htonl(MPLS_TC_MASK))) {
+ wc |= OFPFW11_MPLS_TC;
+ } else {
+ ofmatch->mpls_tc = mpls_lse_to_tc(match->flow.mpls_lse[0]);
+ }
ofmatch->metadata = match->flow.metadata;
ofmatch->metadata_mask = ~match->wc.masks.metadata;
case OFPUTIL_P_OF12_OXM:
case OFPUTIL_P_OF13_OXM:
+ case OFPUTIL_P_OF14_OXM:
+ case OFPUTIL_P_OF15_OXM:
return NXM_TYPICAL_LEN;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
case OFPUTIL_P_OF10_STD_TID:
case OFPUTIL_P_OF10_NXM:
case OFPUTIL_P_OF10_NXM_TID:
- NOT_REACHED();
+ OVS_NOT_REACHED();
case OFPUTIL_P_OF11_STD: {
struct ofp11_match *om;
case OFPUTIL_P_OF12_OXM:
case OFPUTIL_P_OF13_OXM:
- return oxm_put_match(b, match);
+ case OFPUTIL_P_OF14_OXM:
+ case OFPUTIL_P_OF15_OXM:
+ return oxm_put_match(b, match,
+ ofputil_protocol_to_ofp_version(protocol));
}
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
/* Given a 'dl_type' value in the format used in struct flow, returns the
#define N_PROTO_ABBREVS ARRAY_SIZE(proto_abbrevs)
enum ofputil_protocol ofputil_flow_dump_protocols[] = {
+ OFPUTIL_P_OF15_OXM,
+ OFPUTIL_P_OF14_OXM,
OFPUTIL_P_OF13_OXM,
OFPUTIL_P_OF12_OXM,
OFPUTIL_P_OF11_STD,
return OFPUTIL_P_OF12_OXM;
case OFP13_VERSION:
return OFPUTIL_P_OF13_OXM;
+ case OFP14_VERSION:
+ return OFPUTIL_P_OF14_OXM;
+ case OFP15_VERSION:
+ return OFPUTIL_P_OF15_OXM;
default:
return 0;
}
return OFP12_VERSION;
case OFPUTIL_P_OF13_OXM:
return OFP13_VERSION;
+ case OFPUTIL_P_OF14_OXM:
+ return OFP14_VERSION;
+ case OFPUTIL_P_OF15_OXM:
+ return OFP15_VERSION;
}
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
/* Returns a bitmap of OpenFlow versions that are supported by at
case OFPUTIL_P_OF13_OXM:
return OFPUTIL_P_OF13_OXM;
+ case OFPUTIL_P_OF14_OXM:
+ return OFPUTIL_P_OF14_OXM;
+
+ case OFPUTIL_P_OF15_OXM:
+ return OFPUTIL_P_OF15_OXM;
+
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
case OFPUTIL_P_OF13_OXM:
return ofputil_protocol_set_tid(OFPUTIL_P_OF13_OXM, tid);
+ case OFPUTIL_P_OF14_OXM:
+ return ofputil_protocol_set_tid(OFPUTIL_P_OF14_OXM, tid);
+
+ case OFPUTIL_P_OF15_OXM:
+ return ofputil_protocol_set_tid(OFPUTIL_P_OF15_OXM, tid);
+
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
case OFPUTIL_P_OF13_OXM:
return "OXM-OpenFlow13";
+
+ case OFPUTIL_P_OF14_OXM:
+ return "OXM-OpenFlow14";
+
+ case OFPUTIL_P_OF15_OXM:
+ return "OXM-OpenFlow15";
}
/* Check abbreviations. */
goto match;
}
}
- NOT_REACHED();
+ OVS_NOT_REACHED();
match: ;
}
return protocols;
}
-static int
+enum ofp_version
ofputil_version_from_string(const char *s)
{
if (!strcasecmp(s, "OpenFlow10")) {
if (!strcasecmp(s, "OpenFlow13")) {
return OFP13_VERSION;
}
+ if (!strcasecmp(s, "OpenFlow14")) {
+ return OFP14_VERSION;
+ }
+ if (!strcasecmp(s, "OpenFlow15")) {
+ return OFP15_VERSION;
+ }
return 0;
}
return "OpenFlow12";
case OFP13_VERSION:
return "OpenFlow13";
+ case OFP14_VERSION:
+ return "OpenFlow14";
+ case OFP15_VERSION:
+ return "OpenFlow15";
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
case NXPIF_NXM:
return "nxm";
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
ofpbuf_pull(&msg, sizeof *oh);
*allowed_versions = version_bitmap_from_version(oh->version);
- while (msg.size) {
+ while (ofpbuf_size(&msg)) {
const struct ofp_hello_elem_header *oheh;
unsigned int len;
- if (msg.size < sizeof *oheh) {
+ if (ofpbuf_size(&msg) < sizeof *oheh) {
return false;
}
- oheh = msg.data;
+ oheh = ofpbuf_data(&msg);
len = ntohs(oheh->length);
if (len < sizeof *oheh || !ofpbuf_try_pull(&msg, ROUND_UP(len, 8))) {
return false;
case OFPUTIL_P_OF11_STD:
case OFPUTIL_P_OF12_OXM:
case OFPUTIL_P_OF13_OXM:
+ case OFPUTIL_P_OF14_OXM:
+ case OFPUTIL_P_OF15_OXM:
/* There is only one variant of each OpenFlow 1.1+ protocol, and we
* verified above that we're not trying to change versions. */
- NOT_REACHED();
+ OVS_NOT_REACHED();
case OFPUTIL_P_OF10_STD_TID:
case OFPUTIL_P_OF10_NXM_TID:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
case NXFF_NXM:
return "nxm";
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
ofputil_decode_flow_mod(struct ofputil_flow_mod *fm,
const struct ofp_header *oh,
enum ofputil_protocol protocol,
- struct ofpbuf *ofpacts)
+ struct ofpbuf *ofpacts,
+ ofp_port_t max_port, uint8_t max_table)
{
ovs_be16 raw_flags;
enum ofperr error;
struct ofpbuf b;
enum ofpraw raw;
+ /* Ignored for non-delete actions */
+ fm->delete_reason = OFPRR_DELETE;
+
ofpbuf_use_const(&b, oh, ntohs(oh->length));
raw = ofpraw_pull_assert(&b);
if (raw == OFPRAW_OFPT11_FLOW_MOD) {
return error;
}
- error = ofpacts_pull_openflow_instructions(&b, b.size, oh->version,
- ofpacts);
- if (error) {
- return error;
- }
-
/* Translate the message. */
fm->priority = ntohs(ofm->priority);
if (ofm->command == OFPFC_ADD
/* Get table ID.
*
- * OF1.1 entirely forbids table_id == 255.
- * OF1.2+ allows table_id == 255 only for deletes. */
+ * OF1.1 entirely forbids table_id == OFPTT_ALL.
+ * OF1.2+ allows table_id == OFPTT_ALL only for deletes. */
fm->table_id = ofm->table_id;
- if (fm->table_id == 255
+ if (fm->table_id == OFPTT_ALL
&& (oh->version == OFP11_VERSION
|| (ofm->command != OFPFC_DELETE &&
ofm->command != OFPFC_DELETE_STRICT))) {
fm->idle_timeout = ntohs(ofm->idle_timeout);
fm->hard_timeout = ntohs(ofm->hard_timeout);
+ if (oh->version >= OFP14_VERSION && ofm->command == OFPFC_ADD) {
+ fm->importance = ntohs(ofm->importance);
+ } else {
+ fm->importance = 0;
+ }
fm->buffer_id = ntohl(ofm->buffer_id);
error = ofputil_port_from_ofp11(ofm->out_port, &fm->out_port);
if (error) {
return error;
}
- fm->out_group = ntohl(ofm->out_group);
- if ((ofm->command == OFPFC_DELETE
- || ofm->command == OFPFC_DELETE_STRICT)
- && ofm->out_group != htonl(OFPG_ANY)) {
- return OFPERR_OFPFMFC_UNKNOWN;
- }
+ fm->out_group = (ofm->command == OFPFC_DELETE ||
+ ofm->command == OFPFC_DELETE_STRICT
+ ? ntohl(ofm->out_group)
+ : OFPG11_ANY);
raw_flags = ofm->flags;
} else {
uint16_t command;
ofputil_match_from_ofp10_match(&ofm->match, &fm->match);
ofputil_normalize_match(&fm->match);
- /* Now get the actions. */
- error = ofpacts_pull_openflow_actions(&b, b.size, oh->version,
- ofpacts);
- if (error) {
- return error;
- }
-
/* OpenFlow 1.0 says that exact-match rules have to have the
* highest possible priority. */
fm->priority = (ofm->match.wildcards & htonl(OFPFW10_ALL)
fm->new_cookie = ofm->cookie;
fm->idle_timeout = ntohs(ofm->idle_timeout);
fm->hard_timeout = ntohs(ofm->hard_timeout);
+ fm->importance = 0;
fm->buffer_id = ntohl(ofm->buffer_id);
fm->out_port = u16_to_ofp(ntohs(ofm->out_port));
fm->out_group = OFPG11_ANY;
if (error) {
return error;
}
- error = ofpacts_pull_openflow_actions(&b, b.size, oh->version,
- ofpacts);
- if (error) {
- return error;
- }
/* Translate the message. */
command = ntohs(nfm->command);
fm->new_cookie = nfm->cookie;
fm->idle_timeout = ntohs(nfm->idle_timeout);
fm->hard_timeout = ntohs(nfm->hard_timeout);
+ fm->importance = 0;
fm->buffer_id = ntohl(nfm->buffer_id);
fm->out_port = u16_to_ofp(ntohs(nfm->out_port));
fm->out_group = OFPG11_ANY;
raw_flags = nfm->flags;
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
fm->modify_cookie = fm->new_cookie != OVS_BE64_MAX;
}
}
- fm->ofpacts = ofpacts->data;
- fm->ofpacts_len = ofpacts->size;
+ error = ofpacts_pull_openflow_instructions(&b, ofpbuf_size(&b),
+ oh->version, ofpacts);
+ if (error) {
+ return error;
+ }
+ fm->ofpacts = ofpbuf_data(ofpacts);
+ fm->ofpacts_len = ofpbuf_size(ofpacts);
error = ofputil_decode_flow_mod_flags(raw_flags, fm->command,
oh->version, &fm->flags);
: OFPERR_OFPFMFC_TABLE_FULL);
}
- return 0;
+ return ofpacts_check_consistency(fm->ofpacts, fm->ofpacts_len,
+ &fm->match.flow, max_port,
+ fm->table_id, max_table, protocol);
}
static enum ofperr
}
mb = ofpbuf_put_uninit(bands, sizeof *mb);
mb->type = ntohs(ombh->type);
+ if (mb->type != OFPMBT13_DROP && mb->type != OFPMBT13_DSCP_REMARK) {
+ return OFPERR_OFPMMFC_BAD_BAND;
+ }
mb->rate = ntohl(ombh->rate);
mb->burst_size = ntohl(ombh->burst_size);
mb->prec_level = (mb->type == OFPMBT13_DSCP_REMARK) ?
/* Translate the message. */
mm->command = ntohs(omm->command);
+ if (mm->command != OFPMC13_ADD &&
+ mm->command != OFPMC13_MODIFY &&
+ mm->command != OFPMC13_DELETE) {
+ return OFPERR_OFPMMFC_BAD_COMMAND;
+ }
mm->meter.meter_id = ntohl(omm->meter_id);
if (mm->command == OFPMC13_DELETE) {
enum ofperr error;
mm->meter.flags = ntohs(omm->flags);
- mm->meter.bands = bands->data;
+ if (mm->meter.flags & OFPMF13_KBPS &&
+ mm->meter.flags & OFPMF13_PKTPS) {
+ return OFPERR_OFPMMFC_BAD_FLAGS;
+ }
+ mm->meter.bands = ofpbuf_data(bands);
- error = ofputil_pull_bands(&b, b.size, &mm->meter.n_bands, bands);
+ error = ofputil_pull_bands(&b, ofpbuf_size(&b), &mm->meter.n_bands, bands);
if (error) {
return error;
}
const struct ofputil_meter_config *mc)
{
struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
- size_t start_ofs = msg->size;
+ size_t start_ofs = ofpbuf_size(msg);
struct ofp13_meter_config *reply = ofpbuf_put_uninit(msg, sizeof *reply);
reply->flags = htons(mc->flags);
reply->meter_id = htonl(mc->meter_id);
ofputil_put_bands(mc->n_bands, mc->bands, msg);
- reply->length = htons(msg->size - start_ofs);
+ reply->length = htons(ofpbuf_size(msg) - start_ofs);
ofpmp_postappend(replies, start_ofs);
}
enum ofperr err;
/* Pull OpenFlow headers for the first call. */
- if (!msg->l2) {
+ if (!msg->frame) {
ofpraw_pull_assert(msg);
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
}
omc = ofpbuf_try_pull(msg, sizeof *omc);
if (!omc) {
VLOG_WARN_RL(&bad_ofmsg_rl,
- "OFPMP_METER_CONFIG reply has %zu leftover bytes at end",
- msg->size);
+ "OFPMP_METER_CONFIG reply has %"PRIu32" leftover bytes at end",
+ ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
}
mc->meter_id = ntohl(omc->meter_id);
mc->flags = ntohs(omc->flags);
- mc->bands = bands->data;
+ mc->bands = ofpbuf_data(bands);
return 0;
}
enum ofperr err;
/* Pull OpenFlow headers for the first call. */
- if (!msg->l2) {
+ if (!msg->frame) {
ofpraw_pull_assert(msg);
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
}
oms = ofpbuf_try_pull(msg, sizeof *oms);
if (!oms) {
VLOG_WARN_RL(&bad_ofmsg_rl,
- "OFPMP_METER reply has %zu leftover bytes at end",
- msg->size);
+ "OFPMP_METER reply has %"PRIu32" leftover bytes at end",
+ ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
ms->byte_in_count = ntohll(oms->byte_in_count);
ms->duration_sec = ntohl(oms->duration_sec);
ms->duration_nsec = ntohl(oms->duration_nsec);
- ms->bands = bands->data;
+ ms->bands = ofpbuf_data(bands);
return 0;
}
switch (protocol) {
case OFPUTIL_P_OF11_STD:
case OFPUTIL_P_OF12_OXM:
- case OFPUTIL_P_OF13_OXM: {
+ case OFPUTIL_P_OF13_OXM:
+ case OFPUTIL_P_OF14_OXM:
+ case OFPUTIL_P_OF15_OXM: {
struct ofp11_flow_mod *ofm;
int tailroom;
|| fm->command == OFPFC_ADD) {
ofm->cookie = fm->new_cookie;
} else {
- ofm->cookie = fm->cookie;
+ ofm->cookie = fm->cookie & fm->cookie_mask;
}
ofm->cookie_mask = fm->cookie_mask;
- if (fm->table_id != 255
+ if (fm->table_id != OFPTT_ALL
|| (protocol != OFPUTIL_P_OF11_STD
&& (fm->command == OFPFC_DELETE ||
fm->command == OFPFC_DELETE_STRICT))) {
ofm->out_port = ofputil_port_to_ofp11(fm->out_port);
ofm->out_group = htonl(fm->out_group);
ofm->flags = raw_flags;
+ if (version >= OFP14_VERSION && fm->command == OFPFC_ADD) {
+ ofm->importance = htons(fm->importance);
+ } else {
+ ofm->importance = 0;
+ }
ofputil_put_ofp11_match(msg, &fm->match, protocol);
ofpacts_put_openflow_instructions(fm->ofpacts, fm->ofpacts_len, msg,
version);
nfm->command = ofputil_tid_command(fm, protocol);
nfm->cookie = fm->new_cookie;
match_len = nx_put_match(msg, &fm->match, fm->cookie, fm->cookie_mask);
- nfm = msg->l3;
+ nfm = ofpbuf_l3(msg);
nfm->idle_timeout = htons(fm->idle_timeout);
nfm->hard_timeout = htons(fm->hard_timeout);
nfm->priority = htons(fm->priority);
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
ofpmsg_update_length(msg);
if (error) {
return error;
}
- if (b->size) {
+ if (ofpbuf_size(b)) {
return OFPERR_OFPBRC_BAD_LEN;
}
switch ((int) raw) {
case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST:
- qgcr10 = b.data;
+ qgcr10 = ofpbuf_data(&b);
*port = u16_to_ofp(ntohs(qgcr10->port));
return 0;
case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST:
- qgcr11 = b.data;
+ qgcr11 = ofpbuf_data(&b);
return ofputil_port_from_ofp11(qgcr11->port, port);
}
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
/* Constructs and returns the beginning of a reply to
break;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return reply;
ofputil_append_queue_get_config_reply(struct ofpbuf *reply,
const struct ofputil_queue_config *oqc)
{
- const struct ofp_header *oh = reply->data;
+ const struct ofp_header *oh = ofpbuf_data(reply);
size_t start_ofs, len_ofs;
ovs_be16 *len;
- start_ofs = reply->size;
+ start_ofs = ofpbuf_size(reply);
if (oh->version < OFP12_VERSION) {
struct ofp10_packet_queue *opq10;
opq10 = ofpbuf_put_zeros(reply, sizeof *opq10);
opq10->queue_id = htonl(oqc->queue_id);
- len_ofs = (char *) &opq10->len - (char *) reply->data;
+ len_ofs = (char *) &opq10->len - (char *) ofpbuf_data(reply);
} else {
struct ofp11_queue_get_config_reply *qgcr11;
struct ofp12_packet_queue *opq12;
ovs_be32 port;
- qgcr11 = reply->l3;
+ qgcr11 = ofpbuf_l3(reply);
port = qgcr11->port;
opq12 = ofpbuf_put_zeros(reply, sizeof *opq12);
opq12->port = port;
opq12->queue_id = htonl(oqc->queue_id);
- len_ofs = (char *) &opq12->len - (char *) reply->data;
+ len_ofs = (char *) &opq12->len - (char *) ofpbuf_data(reply);
}
put_queue_rate(reply, OFPQT_MIN_RATE, oqc->min_rate);
put_queue_rate(reply, OFPQT_MAX_RATE, oqc->max_rate);
len = ofpbuf_at(reply, len_ofs, sizeof *len);
- *len = htons(reply->size - start_ofs);
+ *len = htons(ofpbuf_size(reply) - start_ofs);
}
/* Decodes the initial part of an OFPT_QUEUE_GET_CONFIG_REPLY from 'reply' and
return ofputil_port_from_ofp11(qgcr11->port, port);
}
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
static enum ofperr
unsigned int opq_len;
unsigned int len;
- if (!reply->size) {
+ if (!ofpbuf_size(reply)) {
return EOF;
}
queue->min_rate = UINT16_MAX;
queue->max_rate = UINT16_MAX;
- oh = reply->l2;
+ oh = reply->frame;
if (oh->version < OFP12_VERSION) {
const struct ofp10_packet_queue *opq10;
opq_len = sizeof *opq12;
}
- if (len < opq_len || len > reply->size + opq_len || len % 8) {
+ if (len < opq_len || len > ofpbuf_size(reply) + opq_len || len % 8) {
return OFPERR_OFPBRC_BAD_LEN;
}
len -= opq_len;
hdr = ofpbuf_at_assert(reply, 0, sizeof *hdr);
prop_len = ntohs(hdr->len);
- if (prop_len < sizeof *hdr || prop_len > reply->size || prop_len % 8) {
+ if (prop_len < sizeof *hdr || prop_len > ofpbuf_size(reply) || prop_len % 8) {
return OFPERR_OFPBRC_BAD_LEN;
}
raw = ofpraw_pull_assert(&b);
switch ((int) raw) {
case OFPRAW_OFPST10_FLOW_REQUEST:
- return ofputil_decode_ofpst10_flow_request(fsr, b.data, false);
+ return ofputil_decode_ofpst10_flow_request(fsr, ofpbuf_data(&b), false);
case OFPRAW_OFPST10_AGGREGATE_REQUEST:
- return ofputil_decode_ofpst10_flow_request(fsr, b.data, true);
+ return ofputil_decode_ofpst10_flow_request(fsr, ofpbuf_data(&b), true);
case OFPRAW_OFPST11_FLOW_REQUEST:
return ofputil_decode_ofpst11_flow_request(fsr, &b, false);
default:
/* Hey, the caller lied. */
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
switch (protocol) {
case OFPUTIL_P_OF11_STD:
case OFPUTIL_P_OF12_OXM:
- case OFPUTIL_P_OF13_OXM: {
+ case OFPUTIL_P_OF13_OXM:
+ case OFPUTIL_P_OF14_OXM:
+ case OFPUTIL_P_OF15_OXM: {
struct ofp11_flow_stats_request *ofsr;
raw = (fsr->aggregate
match_len = nx_put_match(msg, &fsr->match,
fsr->cookie, fsr->cookie_mask);
- nfsr = msg->l3;
+ nfsr = ofpbuf_l3(msg);
nfsr->out_port = htons(ofp_to_u16(fsr->out_port));
nfsr->match_len = htons(match_len);
nfsr->table_id = fsr->table_id;
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return msg;
struct ofpbuf *ofpacts)
{
const struct ofp_header *oh;
+ size_t instructions_len;
enum ofperr error;
enum ofpraw raw;
- error = (msg->l2
- ? ofpraw_decode(&raw, msg->l2)
+ error = (msg->frame
+ ? ofpraw_decode(&raw, msg->frame)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- oh = msg->l2;
+ oh = msg->frame;
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
} else if (raw == OFPRAW_OFPST11_FLOW_REPLY
|| raw == OFPRAW_OFPST13_FLOW_REPLY) {
ofs = ofpbuf_try_pull(msg, sizeof *ofs);
if (!ofs) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %zu leftover "
- "bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %"PRIu32" leftover "
+ "bytes at end", ofpbuf_size(msg));
return EINVAL;
}
length = ntohs(ofs->length);
if (length < sizeof *ofs) {
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply claims invalid "
- "length %zu", length);
+ "length %"PRIuSIZE, length);
return EINVAL;
}
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply bad match");
return EINVAL;
}
-
- if (ofpacts_pull_openflow_instructions(msg, length - sizeof *ofs -
- padded_match_len, oh->version,
- ofpacts)) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply bad instructions");
- return EINVAL;
- }
+ instructions_len = length - sizeof *ofs - padded_match_len;
fs->priority = ntohs(ofs->priority);
fs->table_id = ofs->table_id;
fs->duration_nsec = ntohl(ofs->duration_nsec);
fs->idle_timeout = ntohs(ofs->idle_timeout);
fs->hard_timeout = ntohs(ofs->hard_timeout);
+ if (oh->version >= OFP14_VERSION) {
+ fs->importance = ntohs(ofs->importance);
+ } else {
+ fs->importance = 0;
+ }
if (raw == OFPRAW_OFPST13_FLOW_REPLY) {
error = ofputil_decode_flow_mod_flags(ofs->flags, -1, oh->version,
&fs->flags);
ofs = ofpbuf_try_pull(msg, sizeof *ofs);
if (!ofs) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %zu leftover "
- "bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %"PRIu32" leftover "
+ "bytes at end", ofpbuf_size(msg));
return EINVAL;
}
length = ntohs(ofs->length);
if (length < sizeof *ofs) {
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply claims invalid "
- "length %zu", length);
- return EINVAL;
- }
-
- if (ofpacts_pull_openflow_actions(msg, length - sizeof *ofs,
- oh->version, ofpacts)) {
+ "length %"PRIuSIZE, length);
return EINVAL;
}
+ instructions_len = length - sizeof *ofs;
fs->cookie = get_32aligned_be64(&ofs->cookie);
ofputil_match_from_ofp10_match(&ofs->match, &fs->match);
fs->duration_nsec = ntohl(ofs->duration_nsec);
fs->idle_timeout = ntohs(ofs->idle_timeout);
fs->hard_timeout = ntohs(ofs->hard_timeout);
+ fs->importance = 0;
fs->idle_age = -1;
fs->hard_age = -1;
fs->packet_count = ntohll(get_32aligned_be64(&ofs->packet_count));
fs->flags = 0;
} else if (raw == OFPRAW_NXST_FLOW_REPLY) {
const struct nx_flow_stats *nfs;
- size_t match_len, actions_len, length;
+ size_t match_len, length;
nfs = ofpbuf_try_pull(msg, sizeof *nfs);
if (!nfs) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply has %zu leftover "
- "bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply has %"PRIu32" leftover "
+ "bytes at end", ofpbuf_size(msg));
return EINVAL;
}
length = ntohs(nfs->length);
match_len = ntohs(nfs->match_len);
if (length < sizeof *nfs + ROUND_UP(match_len, 8)) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply with match_len=%zu "
- "claims invalid length %zu", match_len, length);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply with match_len=%"PRIuSIZE" "
+ "claims invalid length %"PRIuSIZE, match_len, length);
return EINVAL;
}
if (nx_pull_match(msg, match_len, &fs->match, NULL, NULL)) {
return EINVAL;
}
-
- actions_len = length - sizeof *nfs - ROUND_UP(match_len, 8);
- if (ofpacts_pull_openflow_actions(msg, actions_len, oh->version,
- ofpacts)) {
- return EINVAL;
- }
+ instructions_len = length - sizeof *nfs - ROUND_UP(match_len, 8);
fs->cookie = nfs->cookie;
fs->table_id = nfs->table_id;
fs->priority = ntohs(nfs->priority);
fs->idle_timeout = ntohs(nfs->idle_timeout);
fs->hard_timeout = ntohs(nfs->hard_timeout);
+ fs->importance = 0;
fs->idle_age = -1;
fs->hard_age = -1;
if (flow_age_extension) {
fs->byte_count = ntohll(nfs->byte_count);
fs->flags = 0;
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
- fs->ofpacts = ofpacts->data;
- fs->ofpacts_len = ofpacts->size;
+ if (ofpacts_pull_openflow_instructions(msg, instructions_len, oh->version,
+ ofpacts)) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply bad instructions");
+ return EINVAL;
+ }
+ fs->ofpacts = ofpbuf_data(ofpacts);
+ fs->ofpacts_len = ofpbuf_size(ofpacts);
return 0;
}
struct list *replies)
{
struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
- size_t start_ofs = reply->size;
- enum ofpraw raw;
- enum ofp_version version = ((struct ofp_header *)reply->data)->version;
+ size_t start_ofs = ofpbuf_size(reply);
+ enum ofp_version version = ofpmp_version(replies);
+ enum ofpraw raw = ofpmp_decode_raw(replies);
- ofpraw_decode_partial(&raw, reply->data, reply->size);
if (raw == OFPRAW_OFPST11_FLOW_REPLY || raw == OFPRAW_OFPST13_FLOW_REPLY) {
struct ofp11_flow_stats *ofs;
ofpbuf_put_uninit(reply, sizeof *ofs);
- oxm_put_match(reply, &fs->match);
+ oxm_put_match(reply, &fs->match, version);
ofpacts_put_openflow_instructions(fs->ofpacts, fs->ofpacts_len, reply,
version);
ofs = ofpbuf_at_assert(reply, start_ofs, sizeof *ofs);
- ofs->length = htons(reply->size - start_ofs);
+ ofs->length = htons(ofpbuf_size(reply) - start_ofs);
ofs->table_id = fs->table_id;
ofs->pad = 0;
ofs->duration_sec = htonl(fs->duration_sec);
ofs->priority = htons(fs->priority);
ofs->idle_timeout = htons(fs->idle_timeout);
ofs->hard_timeout = htons(fs->hard_timeout);
+ if (version >= OFP14_VERSION) {
+ ofs->importance = htons(fs->importance);
+ } else {
+ ofs->importance = 0;
+ }
if (raw == OFPRAW_OFPST13_FLOW_REPLY) {
ofs->flags = ofputil_encode_flow_mod_flags(fs->flags, version);
} else {
ofpacts_put_openflow_actions(fs->ofpacts, fs->ofpacts_len, reply,
version);
ofs = ofpbuf_at_assert(reply, start_ofs, sizeof *ofs);
- ofs->length = htons(reply->size - start_ofs);
+ ofs->length = htons(ofpbuf_size(reply) - start_ofs);
ofs->table_id = fs->table_id;
ofs->pad = 0;
ofputil_match_to_ofp10_match(&fs->match, &ofs->match);
ofpacts_put_openflow_actions(fs->ofpacts, fs->ofpacts_len, reply,
version);
nfs = ofpbuf_at_assert(reply, start_ofs, sizeof *nfs);
- nfs->length = htons(reply->size - start_ofs);
+ nfs->length = htons(ofpbuf_size(reply) - start_ofs);
nfs->table_id = fs->table_id;
nfs->pad = 0;
nfs->duration_sec = htonl(fs->duration_sec);
nfs->packet_count = htonll(fs->packet_count);
nfs->byte_count = htonll(fs->byte_count);
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
ofpmp_postappend(replies, start_ofs);
ofpbuf_use_const(&msg, reply, ntohs(reply->length));
ofpraw_pull_assert(&msg);
- asr = msg.l3;
+ asr = ofpbuf_l3(&msg);
stats->packet_count = ntohll(get_32aligned_be64(&asr->packet_count));
stats->byte_count = ntohll(get_32aligned_be64(&asr->byte_count));
stats->flow_count = ntohl(asr->flow_count);
if (error) {
return error;
}
- if (b.size) {
+ if (ofpbuf_size(&b)) {
return OFPERR_OFPBRC_BAD_LEN;
}
fr->packet_count = ntohll(nfr->packet_count);
fr->byte_count = ntohll(nfr->byte_count);
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return 0;
enum ofputil_protocol protocol)
{
struct ofpbuf *msg;
+ enum ofp_flow_removed_reason reason = fr->reason;
+
+ if (reason == OFPRR_METER_DELETE && !(protocol & OFPUTIL_P_OF14_UP)) {
+ reason = OFPRR_DELETE;
+ }
switch (protocol) {
case OFPUTIL_P_OF11_STD:
case OFPUTIL_P_OF12_OXM:
- case OFPUTIL_P_OF13_OXM: {
+ case OFPUTIL_P_OF13_OXM:
+ case OFPUTIL_P_OF14_OXM:
+ case OFPUTIL_P_OF15_OXM: {
struct ofp12_flow_removed *ofr;
msg = ofpraw_alloc_xid(OFPRAW_OFPT11_FLOW_REMOVED,
ofr = ofpbuf_put_zeros(msg, sizeof *ofr);
ofr->cookie = fr->cookie;
ofr->priority = htons(fr->priority);
- ofr->reason = fr->reason;
+ ofr->reason = reason;
ofr->table_id = fr->table_id;
ofr->duration_sec = htonl(fr->duration_sec);
ofr->duration_nsec = htonl(fr->duration_nsec);
ofputil_match_to_ofp10_match(&fr->match, &ofr->match);
ofr->cookie = fr->cookie;
ofr->priority = htons(fr->priority);
- ofr->reason = fr->reason;
+ ofr->reason = reason;
ofr->duration_sec = htonl(fr->duration_sec);
ofr->duration_nsec = htonl(fr->duration_nsec);
ofr->idle_timeout = htons(fr->idle_timeout);
msg = ofpraw_alloc_xid(OFPRAW_NXT_FLOW_REMOVED, OFP10_VERSION,
htonl(0), NXM_TYPICAL_LEN);
- nfr = ofpbuf_put_zeros(msg, sizeof *nfr);
+ ofpbuf_put_zeros(msg, sizeof *nfr);
match_len = nx_put_match(msg, &fr->match, 0, 0);
- nfr = msg->l3;
+ nfr = ofpbuf_l3(msg);
nfr->cookie = fr->cookie;
nfr->priority = htons(fr->priority);
- nfr->reason = fr->reason;
+ nfr->reason = reason;
nfr->table_id = fr->table_id + 1;
nfr->duration_sec = htonl(fr->duration_sec);
nfr->duration_nsec = htonl(fr->duration_nsec);
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return msg;
ofputil_decode_packet_in_finish(struct ofputil_packet_in *pin,
struct match *match, struct ofpbuf *b)
{
- pin->packet = b->data;
- pin->packet_len = b->size;
+ pin->packet = ofpbuf_data(b);
+ pin->packet_len = ofpbuf_size(b);
pin->fmd.in_port = match->flow.in_port.ofp_port;
pin->fmd.tun_id = match->flow.tunnel.tun_id;
opi = ofpbuf_pull(&b, offsetof(struct ofp10_packet_in, data));
pin->packet = opi->data;
- pin->packet_len = b.size;
+ pin->packet_len = ofpbuf_size(&b);
pin->fmd.in_port = u16_to_ofp(ntohs(opi->in_port));
pin->reason = opi->reason;
pin->buffer_id = ntohl(opi->buffer_id);
pin->total_len = ntohs(opi->total_len);
+ } else if (raw == OFPRAW_OFPT11_PACKET_IN) {
+ const struct ofp11_packet_in *opi;
+ enum ofperr error;
+
+ opi = ofpbuf_pull(&b, sizeof *opi);
+
+ pin->packet = ofpbuf_data(&b);
+ pin->packet_len = ofpbuf_size(&b);
+
+ pin->buffer_id = ntohl(opi->buffer_id);
+ error = ofputil_port_from_ofp11(opi->in_port, &pin->fmd.in_port);
+ if (error) {
+ return error;
+ }
+ pin->total_len = ntohs(opi->total_len);
+ pin->reason = opi->reason;
+ pin->table_id = opi->table_id;
} else if (raw == OFPRAW_NXT_PACKET_IN) {
const struct nx_packet_in *npi;
struct match match;
ofputil_decode_packet_in_finish(pin, &match, &b);
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return 0;
match_set_in_port(match, pin->fmd.in_port);
}
+static struct ofpbuf *
+ofputil_encode_ofp10_packet_in(const struct ofputil_packet_in *pin)
+{
+ struct ofp10_packet_in *opi;
+ struct ofpbuf *packet;
+
+ packet = ofpraw_alloc_xid(OFPRAW_OFPT10_PACKET_IN, OFP10_VERSION,
+ htonl(0), pin->packet_len);
+ opi = ofpbuf_put_zeros(packet, offsetof(struct ofp10_packet_in, data));
+ opi->total_len = htons(pin->total_len);
+ opi->in_port = htons(ofp_to_u16(pin->fmd.in_port));
+ opi->reason = pin->reason;
+ opi->buffer_id = htonl(pin->buffer_id);
+
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+ return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_nx_packet_in(const struct ofputil_packet_in *pin)
+{
+ struct nx_packet_in *npi;
+ struct ofpbuf *packet;
+ struct match match;
+ size_t match_len;
+
+ ofputil_packet_in_to_match(pin, &match);
+
+ /* The final argument is just an estimate of the space required. */
+ packet = ofpraw_alloc_xid(OFPRAW_NXT_PACKET_IN, OFP10_VERSION,
+ htonl(0), (sizeof(struct flow_metadata) * 2
+ + 2 + pin->packet_len));
+ ofpbuf_put_zeros(packet, sizeof *npi);
+ match_len = nx_put_match(packet, &match, 0, 0);
+ ofpbuf_put_zeros(packet, 2);
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+ npi = ofpbuf_l3(packet);
+ npi->buffer_id = htonl(pin->buffer_id);
+ npi->total_len = htons(pin->total_len);
+ npi->reason = pin->reason;
+ npi->table_id = pin->table_id;
+ npi->cookie = pin->cookie;
+ npi->match_len = htons(match_len);
+
+ return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp11_packet_in(const struct ofputil_packet_in *pin)
+{
+ struct ofp11_packet_in *opi;
+ struct ofpbuf *packet;
+
+ packet = ofpraw_alloc_xid(OFPRAW_OFPT11_PACKET_IN, OFP11_VERSION,
+ htonl(0), pin->packet_len);
+ opi = ofpbuf_put_zeros(packet, sizeof *opi);
+ opi->buffer_id = htonl(pin->buffer_id);
+ opi->in_port = ofputil_port_to_ofp11(pin->fmd.in_port);
+ opi->in_phy_port = opi->in_port;
+ opi->total_len = htons(pin->total_len);
+ opi->reason = pin->reason;
+ opi->table_id = pin->table_id;
+
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+ return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp12_packet_in(const struct ofputil_packet_in *pin,
+ enum ofputil_protocol protocol)
+{
+ struct ofp13_packet_in *opi;
+ struct match match;
+ enum ofpraw packet_in_raw;
+ enum ofp_version packet_in_version;
+ size_t packet_in_size;
+ struct ofpbuf *packet;
+
+ if (protocol == OFPUTIL_P_OF12_OXM) {
+ packet_in_raw = OFPRAW_OFPT12_PACKET_IN;
+ packet_in_version = OFP12_VERSION;
+ packet_in_size = sizeof (struct ofp12_packet_in);
+ } else {
+ packet_in_raw = OFPRAW_OFPT13_PACKET_IN;
+ packet_in_version = OFP13_VERSION;
+ packet_in_size = sizeof (struct ofp13_packet_in);
+ }
+
+ ofputil_packet_in_to_match(pin, &match);
+
+ /* The final argument is just an estimate of the space required. */
+ packet = ofpraw_alloc_xid(packet_in_raw, packet_in_version,
+ htonl(0), (sizeof(struct flow_metadata) * 2
+ + 2 + pin->packet_len));
+ ofpbuf_put_zeros(packet, packet_in_size);
+ oxm_put_match(packet, &match, ofputil_protocol_to_ofp_version(protocol));
+ ofpbuf_put_zeros(packet, 2);
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+ opi = ofpbuf_l3(packet);
+ opi->pi.buffer_id = htonl(pin->buffer_id);
+ opi->pi.total_len = htons(pin->total_len);
+ opi->pi.reason = pin->reason;
+ opi->pi.table_id = pin->table_id;
+ if (protocol == OFPUTIL_P_OF13_OXM) {
+ opi->cookie = pin->cookie;
+ }
+
+ return packet;
+}
+
/* Converts abstract ofputil_packet_in 'pin' into a PACKET_IN message
* in the format specified by 'packet_in_format'. */
struct ofpbuf *
{
struct ofpbuf *packet;
- /* Add OFPT_PACKET_IN. */
- if (protocol == OFPUTIL_P_OF13_OXM || protocol == OFPUTIL_P_OF12_OXM) {
- struct ofp13_packet_in *opi;
- struct match match;
- enum ofpraw packet_in_raw;
- enum ofp_version packet_in_version;
- size_t packet_in_size;
+ switch (protocol) {
+ case OFPUTIL_P_OF10_STD:
+ case OFPUTIL_P_OF10_STD_TID:
+ case OFPUTIL_P_OF10_NXM:
+ case OFPUTIL_P_OF10_NXM_TID:
+ packet = (packet_in_format == NXPIF_NXM
+ ? ofputil_encode_nx_packet_in(pin)
+ : ofputil_encode_ofp10_packet_in(pin));
+ break;
- if (protocol == OFPUTIL_P_OF12_OXM) {
- packet_in_raw = OFPRAW_OFPT12_PACKET_IN;
- packet_in_version = OFP12_VERSION;
- packet_in_size = sizeof (struct ofp12_packet_in);
- } else {
- packet_in_raw = OFPRAW_OFPT13_PACKET_IN;
- packet_in_version = OFP13_VERSION;
- packet_in_size = sizeof (struct ofp13_packet_in);
- }
+ case OFPUTIL_P_OF11_STD:
+ packet = ofputil_encode_ofp11_packet_in(pin);
+ break;
- ofputil_packet_in_to_match(pin, &match);
-
- /* The final argument is just an estimate of the space required. */
- packet = ofpraw_alloc_xid(packet_in_raw, packet_in_version,
- htonl(0), (sizeof(struct flow_metadata) * 2
- + 2 + pin->packet_len));
- ofpbuf_put_zeros(packet, packet_in_size);
- oxm_put_match(packet, &match);
- ofpbuf_put_zeros(packet, 2);
- ofpbuf_put(packet, pin->packet, pin->packet_len);
-
- opi = packet->l3;
- opi->pi.buffer_id = htonl(pin->buffer_id);
- opi->pi.total_len = htons(pin->total_len);
- opi->pi.reason = pin->reason;
- opi->pi.table_id = pin->table_id;
- if (protocol == OFPUTIL_P_OF13_OXM) {
- opi->cookie = pin->cookie;
- }
- } else if (packet_in_format == NXPIF_OPENFLOW10) {
- struct ofp10_packet_in *opi;
-
- packet = ofpraw_alloc_xid(OFPRAW_OFPT10_PACKET_IN, OFP10_VERSION,
- htonl(0), pin->packet_len);
- opi = ofpbuf_put_zeros(packet, offsetof(struct ofp10_packet_in, data));
- opi->total_len = htons(pin->total_len);
- opi->in_port = htons(ofp_to_u16(pin->fmd.in_port));
- opi->reason = pin->reason;
- opi->buffer_id = htonl(pin->buffer_id);
-
- ofpbuf_put(packet, pin->packet, pin->packet_len);
- } else if (packet_in_format == NXPIF_NXM) {
- struct nx_packet_in *npi;
- struct match match;
- size_t match_len;
-
- ofputil_packet_in_to_match(pin, &match);
-
- /* The final argument is just an estimate of the space required. */
- packet = ofpraw_alloc_xid(OFPRAW_NXT_PACKET_IN, OFP10_VERSION,
- htonl(0), (sizeof(struct flow_metadata) * 2
- + 2 + pin->packet_len));
- ofpbuf_put_zeros(packet, sizeof *npi);
- match_len = nx_put_match(packet, &match, 0, 0);
- ofpbuf_put_zeros(packet, 2);
- ofpbuf_put(packet, pin->packet, pin->packet_len);
-
- npi = packet->l3;
- npi->buffer_id = htonl(pin->buffer_id);
- npi->total_len = htons(pin->total_len);
- npi->reason = pin->reason;
- npi->table_id = pin->table_id;
- npi->cookie = pin->cookie;
- npi->match_len = htons(match_len);
- } else {
- NOT_REACHED();
+ case OFPUTIL_P_OF12_OXM:
+ case OFPUTIL_P_OF13_OXM:
+ case OFPUTIL_P_OF14_OXM:
+ case OFPUTIL_P_OF15_OXM:
+ packet = ofputil_encode_ofp12_packet_in(pin, protocol);
+ break;
+
+ default:
+ OVS_NOT_REACHED();
}
- ofpmsg_update_length(packet);
+ ofpmsg_update_length(packet);
return packet;
}
return error;
}
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
if (ofp_to_u16(po->in_port) >= ofp_to_u16(OFPP_MAX)
return OFPERR_OFPBRC_BAD_PORT;
}
- po->ofpacts = ofpacts->data;
- po->ofpacts_len = ofpacts->size;
+ po->ofpacts = ofpbuf_data(ofpacts);
+ po->ofpacts_len = ofpbuf_size(ofpacts);
if (po->buffer_id == UINT32_MAX) {
- po->packet = b.data;
- po->packet_len = b.size;
+ po->packet = ofpbuf_data(&b);
+ po->packet_len = ofpbuf_size(&b);
} else {
po->packet = NULL;
po->packet_len = 0;
ofputil_decode_ofp10_phy_port(struct ofputil_phy_port *pp,
const struct ofp10_phy_port *opp)
{
- memset(pp, 0, sizeof *pp);
-
pp->port_no = u16_to_ofp(ntohs(opp->port_no));
memcpy(pp->hw_addr, opp->hw_addr, OFP_ETH_ALEN);
ovs_strlcpy(pp->name, opp->name, OFP_MAX_PORT_NAME_LEN);
{
enum ofperr error;
- memset(pp, 0, sizeof *pp);
-
error = ofputil_port_from_ofp11(op->port_no, &pp->port_no);
if (error) {
return error;
ovs_strlcpy(pp->name, op->name, OFP_MAX_PORT_NAME_LEN);
pp->config = ntohl(op->config) & OFPPC11_ALL;
- pp->state = ntohl(op->state) & OFPPC11_ALL;
+ pp->state = ntohl(op->state) & OFPPS11_ALL;
pp->curr = netdev_port_features_from_ofp11(op->curr);
pp->advertised = netdev_port_features_from_ofp11(op->advertised);
return 0;
}
-static size_t
-ofputil_get_phy_port_size(enum ofp_version ofp_version)
+static enum ofperr
+parse_ofp14_port_ethernet_property(const struct ofpbuf *payload,
+ struct ofputil_phy_port *pp)
{
- switch (ofp_version) {
- case OFP10_VERSION:
- return sizeof(struct ofp10_phy_port);
- case OFP11_VERSION:
- case OFP12_VERSION:
- case OFP13_VERSION:
- return sizeof(struct ofp11_port);
- default:
- NOT_REACHED();
+ struct ofp14_port_desc_prop_ethernet *eth = ofpbuf_data(payload);
+
+ if (ofpbuf_size(payload) != sizeof *eth) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ pp->curr = netdev_port_features_from_ofp11(eth->curr);
+ pp->advertised = netdev_port_features_from_ofp11(eth->advertised);
+ pp->supported = netdev_port_features_from_ofp11(eth->supported);
+ pp->peer = netdev_port_features_from_ofp11(eth->peer);
+
+ pp->curr_speed = ntohl(eth->curr_speed);
+ pp->max_speed = ntohl(eth->max_speed);
+
+ return 0;
+}
+
+static enum ofperr
+ofputil_pull_ofp14_port(struct ofputil_phy_port *pp, struct ofpbuf *msg)
+{
+ struct ofpbuf properties;
+ struct ofp14_port *op;
+ enum ofperr error;
+ size_t len;
+
+ op = ofpbuf_try_pull(msg, sizeof *op);
+ if (!op) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ len = ntohs(op->length);
+ if (len < sizeof *op || len - sizeof *op > ofpbuf_size(msg)) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ len -= sizeof *op;
+ ofpbuf_use_const(&properties, ofpbuf_pull(msg, len), len);
+
+ error = ofputil_port_from_ofp11(op->port_no, &pp->port_no);
+ if (error) {
+ return error;
+ }
+ memcpy(pp->hw_addr, op->hw_addr, OFP_ETH_ALEN);
+ ovs_strlcpy(pp->name, op->name, OFP_MAX_PORT_NAME_LEN);
+
+ pp->config = ntohl(op->config) & OFPPC11_ALL;
+ pp->state = ntohl(op->state) & OFPPS11_ALL;
+
+ while (ofpbuf_size(&properties) > 0) {
+ struct ofpbuf payload;
+ enum ofperr error;
+ uint16_t type;
+
+ error = ofputil_pull_property(&properties, &payload, &type);
+ if (error) {
+ return error;
+ }
+
+ switch (type) {
+ case OFPPDPT14_ETHERNET:
+ error = parse_ofp14_port_ethernet_property(&payload, pp);
+ break;
+
+ default:
+ log_property(true, "unknown port property %"PRIu16, type);
+ error = 0;
+ break;
+ }
+
+ if (error) {
+ return error;
+ }
}
+
+ return 0;
}
static void
}
static void
-ofputil_put_phy_port(enum ofp_version ofp_version,
- const struct ofputil_phy_port *pp, struct ofpbuf *b)
+ofputil_put_ofp14_port(const struct ofputil_phy_port *pp,
+ struct ofpbuf *b)
{
- switch (ofp_version) {
- case OFP10_VERSION: {
- struct ofp10_phy_port *opp;
- if (b->size + sizeof *opp <= UINT16_MAX) {
- opp = ofpbuf_put_uninit(b, sizeof *opp);
- ofputil_encode_ofp10_phy_port(pp, opp);
- }
- break;
- }
+ struct ofp14_port *op;
+ struct ofp14_port_desc_prop_ethernet *eth;
- case OFP11_VERSION:
- case OFP12_VERSION:
- case OFP13_VERSION: {
- struct ofp11_port *op;
- if (b->size + sizeof *op <= UINT16_MAX) {
- op = ofpbuf_put_uninit(b, sizeof *op);
- ofputil_encode_ofp11_port(pp, op);
- }
- break;
- }
+ ofpbuf_prealloc_tailroom(b, sizeof *op + sizeof *eth);
- default:
- NOT_REACHED();
- }
+ op = ofpbuf_put_zeros(b, sizeof *op);
+ op->port_no = ofputil_port_to_ofp11(pp->port_no);
+ op->length = htons(sizeof *op + sizeof *eth);
+ memcpy(op->hw_addr, pp->hw_addr, ETH_ADDR_LEN);
+ ovs_strlcpy(op->name, pp->name, sizeof op->name);
+ op->config = htonl(pp->config & OFPPC11_ALL);
+ op->state = htonl(pp->state & OFPPS11_ALL);
+
+ eth = ofpbuf_put_zeros(b, sizeof *eth);
+ eth->type = htons(OFPPDPT14_ETHERNET);
+ eth->length = htons(sizeof *eth);
+ eth->curr = netdev_port_features_to_ofp11(pp->curr);
+ eth->advertised = netdev_port_features_to_ofp11(pp->advertised);
+ eth->supported = netdev_port_features_to_ofp11(pp->supported);
+ eth->peer = netdev_port_features_to_ofp11(pp->peer);
+ eth->curr_speed = htonl(pp->curr_speed);
+ eth->max_speed = htonl(pp->max_speed);
}
-void
-ofputil_append_port_desc_stats_reply(enum ofp_version ofp_version,
- const struct ofputil_phy_port *pp,
- struct list *replies)
+static void
+ofputil_put_phy_port(enum ofp_version ofp_version,
+ const struct ofputil_phy_port *pp, struct ofpbuf *b)
{
switch (ofp_version) {
case OFP10_VERSION: {
- struct ofp10_phy_port *opp;
-
- opp = ofpmp_append(replies, sizeof *opp);
+ struct ofp10_phy_port *opp = ofpbuf_put_uninit(b, sizeof *opp);
ofputil_encode_ofp10_phy_port(pp, opp);
break;
}
case OFP11_VERSION:
case OFP12_VERSION:
case OFP13_VERSION: {
- struct ofp11_port *op;
-
- op = ofpmp_append(replies, sizeof *op);
+ struct ofp11_port *op = ofpbuf_put_uninit(b, sizeof *op);
ofputil_encode_ofp11_port(pp, op);
break;
}
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ ofputil_put_ofp14_port(pp, b);
+ break;
+
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
+
+enum ofperr
+ofputil_decode_port_desc_stats_request(const struct ofp_header *request,
+ ofp_port_t *port)
+{
+ struct ofpbuf b;
+ enum ofpraw raw;
+
+ ofpbuf_use_const(&b, request, ntohs(request->length));
+ raw = ofpraw_pull_assert(&b);
+ if (raw == OFPRAW_OFPST10_PORT_DESC_REQUEST) {
+ *port = OFPP_ANY;
+ return 0;
+ } else if (raw == OFPRAW_OFPST15_PORT_DESC_REQUEST) {
+ ovs_be32 *ofp11_port;
+
+ ofp11_port = ofpbuf_pull(&b, sizeof *ofp11_port);
+ return ofputil_port_from_ofp11(*ofp11_port, port);
+ } else {
+ OVS_NOT_REACHED();
+ }
+}
+
+struct ofpbuf *
+ofputil_encode_port_desc_stats_request(enum ofp_version ofp_version,
+ ofp_port_t port)
+{
+ struct ofpbuf *request;
+ ovs_be32 ofp11_port;
+
+ switch (ofp_version) {
+ case OFP10_VERSION:
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ request = ofpraw_alloc(OFPRAW_OFPST10_PORT_DESC_REQUEST,
+ ofp_version, 0);
+ break;
+
+ case OFP15_VERSION:
+ request = ofpraw_alloc(OFPRAW_OFPST15_PORT_DESC_REQUEST,
+ ofp_version, 0);
+ ofp11_port = ofputil_port_to_ofp11(port);
+ ofpbuf_put(request, &ofp11_port, sizeof ofp11_port);
+ break;
+
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ return request;
+}
+
+void
+ofputil_append_port_desc_stats_reply(const struct ofputil_phy_port *pp,
+ struct list *replies)
+{
+ struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
+ size_t start_ofs = ofpbuf_size(reply);
+
+ ofputil_put_phy_port(ofpmp_version(replies), pp, reply);
+ ofpmp_postappend(replies, start_ofs);
+}
\f
/* ofputil_switch_features */
BUILD_ASSERT_DECL((int) OFPUTIL_C_QUEUE_STATS == OFPC_QUEUE_STATS);
BUILD_ASSERT_DECL((int) OFPUTIL_C_ARP_MATCH_IP == OFPC_ARP_MATCH_IP);
-struct ofputil_action_bit_translation {
- enum ofputil_action_bitmap ofputil_bit;
- int of_bit;
-};
-
-static const struct ofputil_action_bit_translation of10_action_bits[] = {
- { OFPUTIL_A_OUTPUT, OFPAT10_OUTPUT },
- { OFPUTIL_A_SET_VLAN_VID, OFPAT10_SET_VLAN_VID },
- { OFPUTIL_A_SET_VLAN_PCP, OFPAT10_SET_VLAN_PCP },
- { OFPUTIL_A_STRIP_VLAN, OFPAT10_STRIP_VLAN },
- { OFPUTIL_A_SET_DL_SRC, OFPAT10_SET_DL_SRC },
- { OFPUTIL_A_SET_DL_DST, OFPAT10_SET_DL_DST },
- { OFPUTIL_A_SET_NW_SRC, OFPAT10_SET_NW_SRC },
- { OFPUTIL_A_SET_NW_DST, OFPAT10_SET_NW_DST },
- { OFPUTIL_A_SET_NW_TOS, OFPAT10_SET_NW_TOS },
- { OFPUTIL_A_SET_TP_SRC, OFPAT10_SET_TP_SRC },
- { OFPUTIL_A_SET_TP_DST, OFPAT10_SET_TP_DST },
- { OFPUTIL_A_ENQUEUE, OFPAT10_ENQUEUE },
- { 0, 0 },
-};
-
-static enum ofputil_action_bitmap
-decode_action_bits(ovs_be32 of_actions,
- const struct ofputil_action_bit_translation *x)
-{
- enum ofputil_action_bitmap ofputil_actions;
-
- ofputil_actions = 0;
- for (; x->ofputil_bit; x++) {
- if (of_actions & htonl(1u << x->of_bit)) {
- ofputil_actions |= x->ofputil_bit;
- }
- }
- return ofputil_actions;
-}
-
static uint32_t
ofputil_capabilities_mask(enum ofp_version ofp_version)
{
return OFPC_COMMON | OFPC_ARP_MATCH_IP;
case OFP12_VERSION:
case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
return OFPC_COMMON | OFPC12_PORT_BLOCKED;
default:
/* Caller needs to check osf->header.version itself */
features->capabilities = ntohl(osf->capabilities) &
ofputil_capabilities_mask(oh->version);
- if (b->size % ofputil_get_phy_port_size(oh->version)) {
- return OFPERR_OFPBRC_BAD_LEN;
- }
-
if (raw == OFPRAW_OFPT10_FEATURES_REPLY) {
if (osf->capabilities & htonl(OFPC10_STP)) {
features->capabilities |= OFPUTIL_C_STP;
}
- features->actions = decode_action_bits(osf->actions, of10_action_bits);
+ features->ofpacts = ofpact_bitmap_from_openflow(osf->actions,
+ OFP10_VERSION);
} else if (raw == OFPRAW_OFPT11_FEATURES_REPLY
|| raw == OFPRAW_OFPT13_FEATURES_REPLY) {
if (osf->capabilities & htonl(OFPC11_GROUP_STATS)) {
features->capabilities |= OFPUTIL_C_GROUP_STATS;
}
- features->actions = 0;
+ features->ofpacts = 0;
if (raw == OFPRAW_OFPT13_FEATURES_REPLY) {
features->auxiliary_id = osf->auxiliary_id;
}
return 0;
}
-/* Returns true if the maximum number of ports are in 'oh'. */
-static bool
-max_ports_in_features(const struct ofp_header *oh)
-{
- size_t pp_size = ofputil_get_phy_port_size(oh->version);
- return ntohs(oh->length) + pp_size > UINT16_MAX;
-}
-
-/* Given a buffer 'b' that contains a Features Reply message, checks if
- * it contains the maximum number of ports that will fit. If so, it
- * returns true and removes the ports from the message. The caller
- * should then send an OFPST_PORT_DESC stats request to get the ports,
- * since the switch may have more ports than could be represented in the
- * Features Reply. Otherwise, returns false.
- */
+/* In OpenFlow 1.0, 1.1, and 1.2, an OFPT_FEATURES_REPLY message lists all the
+ * switch's ports, unless there are too many to fit. In OpenFlow 1.3 and
+ * later, an OFPT_FEATURES_REPLY does not list ports at all.
+ *
+ * Given a buffer 'b' that contains a Features Reply message, this message
+ * checks if it contains a complete list of the switch's ports. Returns true,
+ * if so. Returns false if the list is missing (OF1.3+) or incomplete
+ * (OF1.0/1.1/1.2), and in the latter case removes all of the ports from the
+ * message.
+ *
+ * When this function returns false, the caller should send an OFPST_PORT_DESC
+ * stats request to get the ports. */
bool
-ofputil_switch_features_ports_trunc(struct ofpbuf *b)
+ofputil_switch_features_has_ports(struct ofpbuf *b)
{
- struct ofp_header *oh = b->data;
+ struct ofp_header *oh = ofpbuf_data(b);
+ size_t phy_port_size;
- if (max_ports_in_features(oh)) {
- /* Remove all the ports. */
- b->size = (sizeof(struct ofp_header)
- + sizeof(struct ofp_switch_features));
- ofpmsg_update_length(b);
+ if (oh->version >= OFP13_VERSION) {
+ /* OpenFlow 1.3+ never has ports in the feature reply. */
+ return false;
+ }
+ phy_port_size = (oh->version == OFP10_VERSION
+ ? sizeof(struct ofp10_phy_port)
+ : sizeof(struct ofp11_port));
+ if (ntohs(oh->length) + phy_port_size <= UINT16_MAX) {
+ /* There's room for additional ports in the feature reply.
+ * Assume that the list is complete. */
return true;
}
+ /* The feature reply has no room for more ports. Probably the list is
+ * truncated. Drop the ports and tell the caller to retrieve them with
+ * OFPST_PORT_DESC. */
+ ofpbuf_set_size(b, sizeof *oh + sizeof(struct ofp_switch_features));
+ ofpmsg_update_length(b);
return false;
}
-static ovs_be32
-encode_action_bits(enum ofputil_action_bitmap ofputil_actions,
- const struct ofputil_action_bit_translation *x)
-{
- uint32_t of_actions;
-
- of_actions = 0;
- for (; x->ofputil_bit; x++) {
- if (ofputil_actions & x->ofputil_bit) {
- of_actions |= 1 << x->of_bit;
- }
- }
- return htonl(of_actions);
-}
-
/* Returns a buffer owned by the caller that encodes 'features' in the format
* required by 'protocol' with the given 'xid'. The caller should append port
* information to the buffer with subsequent calls to
raw = OFPRAW_OFPT11_FEATURES_REPLY;
break;
case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
raw = OFPRAW_OFPT13_FEATURES_REPLY;
break;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
b = ofpraw_alloc_xid(raw, version, xid, 0);
osf = ofpbuf_put_zeros(b, sizeof *osf);
if (features->capabilities & OFPUTIL_C_STP) {
osf->capabilities |= htonl(OFPC10_STP);
}
- osf->actions = encode_action_bits(features->actions, of10_action_bits);
+ osf->actions = ofpact_bitmap_to_openflow(features->ofpacts,
+ OFP10_VERSION);
break;
case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
osf->auxiliary_id = features->auxiliary_id;
/* fall through */
case OFP11_VERSION:
}
break;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return b;
ofputil_put_switch_features_port(const struct ofputil_phy_port *pp,
struct ofpbuf *b)
{
- const struct ofp_header *oh = b->data;
+ const struct ofp_header *oh = ofpbuf_data(b);
if (oh->version < OFP13_VERSION) {
+ /* Try adding a port description to the message, but drop it again if
+ * the buffer overflows. (This possibility for overflow is why
+ * OpenFlow 1.3+ moved port descriptions into a multipart message.) */
+ size_t start_ofs = ofpbuf_size(b);
ofputil_put_phy_port(oh->version, pp, b);
+ if (ofpbuf_size(b) > UINT16_MAX) {
+ ofpbuf_set_size(b, start_ofs);
+ }
}
}
\f
raw = OFPRAW_OFPT11_PORT_STATUS;
break;
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ raw = OFPRAW_OFPT14_PORT_STATUS;
+ break;
+
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
b = ofpraw_alloc_xid(raw, version, htonl(0), 0);
/* ofputil_port_mod */
+static enum ofperr
+parse_port_mod_ethernet_property(struct ofpbuf *property,
+ struct ofputil_port_mod *pm)
+{
+ struct ofp14_port_mod_prop_ethernet *eth = ofpbuf_data(property);
+
+ if (ofpbuf_size(property) != sizeof *eth) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ pm->advertise = netdev_port_features_from_ofp11(eth->advertise);
+ return 0;
+}
+
/* Decodes the OpenFlow "port mod" message in '*oh' into an abstract form in
* '*pm'. Returns 0 if successful, otherwise an OFPERR_* value. */
enum ofperr
ofputil_decode_port_mod(const struct ofp_header *oh,
- struct ofputil_port_mod *pm)
+ struct ofputil_port_mod *pm, bool loose)
{
enum ofpraw raw;
struct ofpbuf b;
raw = ofpraw_pull_assert(&b);
if (raw == OFPRAW_OFPT10_PORT_MOD) {
- const struct ofp10_port_mod *opm = b.data;
+ const struct ofp10_port_mod *opm = ofpbuf_data(&b);
pm->port_no = u16_to_ofp(ntohs(opm->port_no));
memcpy(pm->hw_addr, opm->hw_addr, ETH_ADDR_LEN);
pm->mask = ntohl(opm->mask) & OFPPC10_ALL;
pm->advertise = netdev_port_features_from_ofp10(opm->advertise);
} else if (raw == OFPRAW_OFPT11_PORT_MOD) {
- const struct ofp11_port_mod *opm = b.data;
+ const struct ofp11_port_mod *opm = ofpbuf_data(&b);
enum ofperr error;
error = ofputil_port_from_ofp11(opm->port_no, &pm->port_no);
pm->config = ntohl(opm->config) & OFPPC11_ALL;
pm->mask = ntohl(opm->mask) & OFPPC11_ALL;
pm->advertise = netdev_port_features_from_ofp11(opm->advertise);
+ } else if (raw == OFPRAW_OFPT14_PORT_MOD) {
+ const struct ofp14_port_mod *opm = ofpbuf_pull(&b, sizeof *opm);
+ enum ofperr error;
+
+ memset(pm, 0, sizeof *pm);
+
+ error = ofputil_port_from_ofp11(opm->port_no, &pm->port_no);
+ if (error) {
+ return error;
+ }
+
+ memcpy(pm->hw_addr, opm->hw_addr, ETH_ADDR_LEN);
+ pm->config = ntohl(opm->config) & OFPPC11_ALL;
+ pm->mask = ntohl(opm->mask) & OFPPC11_ALL;
+
+ while (ofpbuf_size(&b) > 0) {
+ struct ofpbuf property;
+ enum ofperr error;
+ uint16_t type;
+
+ error = ofputil_pull_property(&b, &property, &type);
+ if (error) {
+ return error;
+ }
+
+ switch (type) {
+ case OFPPMPT14_ETHERNET:
+ error = parse_port_mod_ethernet_property(&property, pm);
+ break;
+
+ default:
+ log_property(loose, "unknown port_mod property %"PRIu16, type);
+ if (loose) {
+ error = 0;
+ } else if (type == OFPPMPT14_EXPERIMENTER) {
+ error = OFPERR_OFPBPC_BAD_EXPERIMENTER;
+ } else {
+ error = OFPERR_OFPBRC_BAD_TYPE;
+ }
+ break;
+ }
+
+ if (error) {
+ return error;
+ }
+ }
} else {
return OFPERR_OFPBRC_BAD_TYPE;
}
opm->advertise = netdev_port_features_to_ofp11(pm->advertise);
break;
}
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
+ struct ofp14_port_mod_prop_ethernet *eth;
+ struct ofp14_port_mod *opm;
+
+ b = ofpraw_alloc(OFPRAW_OFPT14_PORT_MOD, ofp_version, sizeof *eth);
+ opm = ofpbuf_put_zeros(b, sizeof *opm);
+ opm->port_no = ofputil_port_to_ofp11(pm->port_no);
+ memcpy(opm->hw_addr, pm->hw_addr, ETH_ADDR_LEN);
+ opm->config = htonl(pm->config & OFPPC11_ALL);
+ opm->mask = htonl(pm->mask & OFPPC11_ALL);
+
+ if (pm->advertise) {
+ eth = ofpbuf_put_zeros(b, sizeof *eth);
+ eth->type = htons(OFPPMPT14_ETHERNET);
+ eth->length = htons(sizeof *eth);
+ eth->advertise = netdev_port_features_to_ofp11(pm->advertise);
+ }
+ break;
+ }
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return b;
}
+\f
+/* Table features. */
+
+static enum ofperr
+pull_table_feature_property(struct ofpbuf *msg, struct ofpbuf *payload,
+ uint16_t *typep)
+{
+ enum ofperr error;
+
+ error = ofputil_pull_property(msg, payload, typep);
+ if (payload && !error) {
+ ofpbuf_pull(payload, sizeof(struct ofp_prop_header));
+ }
+ return error;
+}
+
+static enum ofperr
+parse_action_bitmap(struct ofpbuf *payload, enum ofp_version ofp_version,
+ uint64_t *ofpacts)
+{
+ uint32_t types = 0;
+
+ while (ofpbuf_size(payload) > 0) {
+ uint16_t type;
+ enum ofperr error;
+
+ error = ofputil_pull_property__(payload, NULL, 1, &type);
+ if (error) {
+ return error;
+ }
+ if (type < CHAR_BIT * sizeof types) {
+ types |= 1u << type;
+ }
+ }
+
+ *ofpacts = ofpact_bitmap_from_openflow(htonl(types), ofp_version);
+ return 0;
+}
+
+static enum ofperr
+parse_instruction_ids(struct ofpbuf *payload, bool loose, uint32_t *insts)
+{
+ *insts = 0;
+ while (ofpbuf_size(payload) > 0) {
+ enum ovs_instruction_type inst;
+ enum ofperr error;
+ uint16_t ofpit;
+
+ /* OF1.3 and OF1.4 aren't clear about padding in the instruction IDs.
+ * It seems clear that they aren't padded to 8 bytes, though, because
+ * both standards say that "non-experimenter instructions are 4 bytes"
+ * and do not mention any padding before the first instruction ID.
+ * (There wouldn't be any point in padding to 8 bytes if the IDs were
+ * aligned on an odd 4-byte boundary.)
+ *
+ * Anyway, we just assume they're all glommed together on byte
+ * boundaries. */
+ error = ofputil_pull_property__(payload, NULL, 1, &ofpit);
+ if (error) {
+ return error;
+ }
+
+ error = ovs_instruction_type_from_inst_type(&inst, ofpit);
+ if (!error) {
+ *insts |= 1u << inst;
+ } else if (!loose) {
+ return error;
+ }
+ }
+ return 0;
+}
+
+static enum ofperr
+parse_table_features_next_table(struct ofpbuf *payload,
+ unsigned long int *next_tables)
+{
+ size_t i;
+
+ memset(next_tables, 0, bitmap_n_bytes(255));
+ for (i = 0; i < ofpbuf_size(payload); i++) {
+ uint8_t id = ((const uint8_t *) ofpbuf_data(payload))[i];
+ if (id >= 255) {
+ return OFPERR_OFPBPC_BAD_VALUE;
+ }
+ bitmap_set1(next_tables, id);
+ }
+ return 0;
+}
+
+static enum ofperr
+parse_oxms(struct ofpbuf *payload, bool loose,
+ struct mf_bitmap *exactp, struct mf_bitmap *maskedp)
+{
+ struct mf_bitmap exact = MF_BITMAP_INITIALIZER;
+ struct mf_bitmap masked = MF_BITMAP_INITIALIZER;
+
+ while (ofpbuf_size(payload) > 0) {
+ const struct mf_field *field;
+ enum ofperr error;
+ bool hasmask;
+
+ error = nx_pull_header(payload, &field, &hasmask);
+ if (!error) {
+ bitmap_set1(hasmask ? masked.bm : exact.bm, field->id);
+ } else if (error != OFPERR_OFPBMC_BAD_FIELD || !loose) {
+ return error;
+ }
+ }
+ if (exactp) {
+ *exactp = exact;
+ } else if (!bitmap_is_all_zeros(exact.bm, MFF_N_IDS)) {
+ return OFPERR_OFPBMC_BAD_MASK;
+ }
+ if (maskedp) {
+ *maskedp = masked;
+ } else if (!bitmap_is_all_zeros(masked.bm, MFF_N_IDS)) {
+ return OFPERR_OFPBMC_BAD_MASK;
+ }
+ return 0;
+}
+
+/* Converts an OFPMP_TABLE_FEATURES request or reply in 'msg' into an abstract
+ * ofputil_table_features in 'tf'.
+ *
+ * If 'loose' is true, this function ignores properties and values that it does
+ * not understand, as a controller would want to do when interpreting
+ * capabilities provided by a switch. If 'loose' is false, this function
+ * treats unknown properties and values as an error, as a switch would want to
+ * do when interpreting a configuration request made by a controller.
+ *
+ * A single OpenFlow message can specify features for multiple tables. Calling
+ * this function multiple times for a single 'msg' iterates through the tables
+ * in the message. The caller must initially leave 'msg''s layer pointers null
+ * and not modify them between calls.
+ *
+ * Returns 0 if successful, EOF if no tables were left in this 'msg', otherwise
+ * a positive "enum ofperr" value. */
+int
+ofputil_decode_table_features(struct ofpbuf *msg,
+ struct ofputil_table_features *tf, bool loose)
+{
+ const struct ofp_header *oh;
+ struct ofp13_table_features *otf;
+ struct ofpbuf properties;
+ unsigned int len;
+
+ memset(tf, 0, sizeof *tf);
+
+ if (!msg->frame) {
+ ofpraw_pull_assert(msg);
+ }
+ oh = ofpbuf_l2(msg);
+
+ if (!ofpbuf_size(msg)) {
+ return EOF;
+ }
+
+ if (ofpbuf_size(msg) < sizeof *otf) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ otf = ofpbuf_data(msg);
+ len = ntohs(otf->length);
+ if (len < sizeof *otf || len % 8 || len > ofpbuf_size(msg)) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+ ofpbuf_use_const(&properties, ofpbuf_pull(msg, len), len);
+ ofpbuf_pull(&properties, sizeof *otf);
+
+ tf->table_id = otf->table_id;
+ if (tf->table_id == OFPTT_ALL) {
+ return OFPERR_OFPTFFC_BAD_TABLE;
+ }
+
+ ovs_strlcpy(tf->name, otf->name, OFP_MAX_TABLE_NAME_LEN);
+ tf->metadata_match = otf->metadata_match;
+ tf->metadata_write = otf->metadata_write;
+ tf->miss_config = ofputil_table_miss_from_config(otf->config, oh->version);
+ tf->max_entries = ntohl(otf->max_entries);
+
+ while (ofpbuf_size(&properties) > 0) {
+ struct ofpbuf payload;
+ enum ofperr error;
+ uint16_t type;
+
+ error = pull_table_feature_property(&properties, &payload, &type);
+ if (error) {
+ return error;
+ }
+
+ switch ((enum ofp13_table_feature_prop_type) type) {
+ case OFPTFPT13_INSTRUCTIONS:
+ error = parse_instruction_ids(&payload, loose,
+ &tf->nonmiss.instructions);
+ break;
+ case OFPTFPT13_INSTRUCTIONS_MISS:
+ error = parse_instruction_ids(&payload, loose,
+ &tf->miss.instructions);
+ break;
+
+ case OFPTFPT13_NEXT_TABLES:
+ error = parse_table_features_next_table(&payload,
+ tf->nonmiss.next);
+ break;
+ case OFPTFPT13_NEXT_TABLES_MISS:
+ error = parse_table_features_next_table(&payload, tf->miss.next);
+ break;
+
+ case OFPTFPT13_WRITE_ACTIONS:
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->nonmiss.write.ofpacts);
+ break;
+ case OFPTFPT13_WRITE_ACTIONS_MISS:
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->miss.write.ofpacts);
+ break;
+
+ case OFPTFPT13_APPLY_ACTIONS:
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->nonmiss.apply.ofpacts);
+ break;
+ case OFPTFPT13_APPLY_ACTIONS_MISS:
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->miss.apply.ofpacts);
+ break;
+
+ case OFPTFPT13_MATCH:
+ error = parse_oxms(&payload, loose, &tf->match, &tf->mask);
+ break;
+ case OFPTFPT13_WILDCARDS:
+ error = parse_oxms(&payload, loose, &tf->wildcard, NULL);
+ break;
+
+ case OFPTFPT13_WRITE_SETFIELD:
+ error = parse_oxms(&payload, loose,
+ &tf->nonmiss.write.set_fields, NULL);
+ break;
+ case OFPTFPT13_WRITE_SETFIELD_MISS:
+ error = parse_oxms(&payload, loose,
+ &tf->miss.write.set_fields, NULL);
+ break;
+ case OFPTFPT13_APPLY_SETFIELD:
+ error = parse_oxms(&payload, loose,
+ &tf->nonmiss.apply.set_fields, NULL);
+ break;
+ case OFPTFPT13_APPLY_SETFIELD_MISS:
+ error = parse_oxms(&payload, loose,
+ &tf->miss.apply.set_fields, NULL);
+ break;
+
+ case OFPTFPT13_EXPERIMENTER:
+ case OFPTFPT13_EXPERIMENTER_MISS:
+ default:
+ log_property(loose, "unknown table features property %"PRIu16,
+ type);
+ error = loose ? 0 : OFPERR_OFPBPC_BAD_TYPE;
+ break;
+ }
+ if (error) {
+ return error;
+ }
+ }
+
+ /* Fix inconsistencies:
+ *
+ * - Turn on 'match' bits that are set in 'mask', because maskable
+ * fields are matchable.
+ *
+ * - Turn on 'wildcard' bits that are set in 'mask', because a field
+ * that is arbitrarily maskable can be wildcarded entirely.
+ *
+ * - Turn off 'wildcard' bits that are not in 'match', because a field
+ * must be matchable for it to be meaningfully wildcarded. */
+ bitmap_or(tf->match.bm, tf->mask.bm, MFF_N_IDS);
+ bitmap_or(tf->wildcard.bm, tf->mask.bm, MFF_N_IDS);
+ bitmap_and(tf->wildcard.bm, tf->match.bm, MFF_N_IDS);
+
+ return 0;
+}
+
+/* Encodes and returns a request to obtain the table features of a switch.
+ * The message is encoded for OpenFlow version 'ofp_version'. */
+struct ofpbuf *
+ofputil_encode_table_features_request(enum ofp_version ofp_version)
+{
+ struct ofpbuf *request = NULL;
+
+ switch (ofp_version) {
+ case OFP10_VERSION:
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ ovs_fatal(0, "dump-table-features needs OpenFlow 1.3 or later "
+ "(\'-O OpenFlow13\')");
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ request = ofpraw_alloc(OFPRAW_OFPST13_TABLE_FEATURES_REQUEST,
+ ofp_version, 0);
+ break;
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ return request;
+}
+
+static void
+put_fields_property(struct ofpbuf *reply,
+ const struct mf_bitmap *fields,
+ const struct mf_bitmap *masks,
+ enum ofp13_table_feature_prop_type property,
+ enum ofp_version version)
+{
+ size_t start_ofs;
+ int field;
+
+ start_ofs = start_property(reply, property);
+ BITMAP_FOR_EACH_1 (field, MFF_N_IDS, fields->bm) {
+ nx_put_header(reply, field, version,
+ masks && bitmap_is_set(masks->bm, field));
+ }
+ end_property(reply, start_ofs);
+}
+
+static void
+put_table_action_features(struct ofpbuf *reply,
+ const struct ofputil_table_action_features *taf,
+ enum ofp13_table_feature_prop_type actions_type,
+ enum ofp13_table_feature_prop_type set_fields_type,
+ int miss_offset, enum ofp_version version)
+{
+ size_t start_ofs;
+
+ start_ofs = start_property(reply, actions_type + miss_offset);
+ put_bitmap_properties(reply,
+ ntohl(ofpact_bitmap_to_openflow(taf->ofpacts,
+ version)));
+ end_property(reply, start_ofs);
+
+ put_fields_property(reply, &taf->set_fields, NULL,
+ set_fields_type + miss_offset, version);
+}
+
+static void
+put_table_instruction_features(
+ struct ofpbuf *reply, const struct ofputil_table_instruction_features *tif,
+ int miss_offset, enum ofp_version version)
+{
+ size_t start_ofs;
+ uint8_t table_id;
+
+ start_ofs = start_property(reply, OFPTFPT13_INSTRUCTIONS + miss_offset);
+ put_bitmap_properties(reply,
+ ntohl(ovsinst_bitmap_to_openflow(tif->instructions,
+ version)));
+ end_property(reply, start_ofs);
+
+ start_ofs = start_property(reply, OFPTFPT13_NEXT_TABLES + miss_offset);
+ BITMAP_FOR_EACH_1 (table_id, 255, tif->next) {
+ ofpbuf_put(reply, &table_id, 1);
+ }
+ end_property(reply, start_ofs);
+
+ put_table_action_features(reply, &tif->write,
+ OFPTFPT13_WRITE_ACTIONS,
+ OFPTFPT13_WRITE_SETFIELD, miss_offset, version);
+ put_table_action_features(reply, &tif->apply,
+ OFPTFPT13_APPLY_ACTIONS,
+ OFPTFPT13_APPLY_SETFIELD, miss_offset, version);
+}
+
+void
+ofputil_append_table_features_reply(const struct ofputil_table_features *tf,
+ struct list *replies)
+{
+ struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
+ enum ofp_version version = ofpmp_version(replies);
+ size_t start_ofs = ofpbuf_size(reply);
+ struct ofp13_table_features *otf;
+
+ otf = ofpbuf_put_zeros(reply, sizeof *otf);
+ otf->table_id = tf->table_id;
+ ovs_strlcpy(otf->name, tf->name, sizeof otf->name);
+ otf->metadata_match = tf->metadata_match;
+ otf->metadata_write = tf->metadata_write;
+ otf->config = ofputil_table_miss_to_config(tf->miss_config, version);
+ otf->max_entries = htonl(tf->max_entries);
+
+ put_table_instruction_features(reply, &tf->nonmiss, 0, version);
+ put_table_instruction_features(reply, &tf->miss, 1, version);
+
+ put_fields_property(reply, &tf->match, &tf->mask,
+ OFPTFPT13_MATCH, version);
+ put_fields_property(reply, &tf->wildcard, NULL,
+ OFPTFPT13_WILDCARDS, version);
+
+ otf = ofpbuf_at_assert(reply, start_ofs, sizeof *otf);
+ otf->length = htons(ofpbuf_size(reply) - start_ofs);
+ ofpmp_postappend(replies, start_ofs);
+}
/* ofputil_table_mod */
+/* Given 'config', taken from an OpenFlow 'version' message that specifies
+ * table configuration (a table mod, table stats, or table features message),
+ * returns the table miss configuration that it specifies. */
+static enum ofputil_table_miss
+ofputil_table_miss_from_config(ovs_be32 config_, enum ofp_version version)
+{
+ uint32_t config = ntohl(config_);
+
+ if (version < OFP13_VERSION) {
+ switch (config & OFPTC11_TABLE_MISS_MASK) {
+ case OFPTC11_TABLE_MISS_CONTROLLER:
+ return OFPUTIL_TABLE_MISS_CONTROLLER;
+
+ case OFPTC11_TABLE_MISS_CONTINUE:
+ return OFPUTIL_TABLE_MISS_CONTINUE;
+
+ case OFPTC11_TABLE_MISS_DROP:
+ return OFPUTIL_TABLE_MISS_DROP;
+
+ default:
+ VLOG_WARN_RL(&bad_ofmsg_rl, "bad table miss config %d", config);
+ return OFPUTIL_TABLE_MISS_CONTROLLER;
+ }
+ } else {
+ return OFPUTIL_TABLE_MISS_DEFAULT;
+ }
+}
+
+/* Given a table miss configuration, returns the corresponding OpenFlow table
+ * configuration for use in an OpenFlow message of the given 'version'. */
+ovs_be32
+ofputil_table_miss_to_config(enum ofputil_table_miss miss,
+ enum ofp_version version)
+{
+ if (version < OFP13_VERSION) {
+ switch (miss) {
+ case OFPUTIL_TABLE_MISS_CONTROLLER:
+ case OFPUTIL_TABLE_MISS_DEFAULT:
+ return htonl(OFPTC11_TABLE_MISS_CONTROLLER);
+
+ case OFPUTIL_TABLE_MISS_CONTINUE:
+ return htonl(OFPTC11_TABLE_MISS_CONTINUE);
+
+ case OFPUTIL_TABLE_MISS_DROP:
+ return htonl(OFPTC11_TABLE_MISS_DROP);
+
+ default:
+ OVS_NOT_REACHED();
+ }
+ } else {
+ return htonl(0);
+ }
+}
+
/* Decodes the OpenFlow "table mod" message in '*oh' into an abstract form in
* '*pm'. Returns 0 if successful, otherwise an OFPERR_* value. */
enum ofperr
raw = ofpraw_pull_assert(&b);
if (raw == OFPRAW_OFPT11_TABLE_MOD) {
- const struct ofp11_table_mod *otm = b.data;
+ const struct ofp11_table_mod *otm = ofpbuf_data(&b);
pm->table_id = otm->table_id;
- pm->config = ntohl(otm->config);
+ pm->miss_config = ofputil_table_miss_from_config(otm->config,
+ oh->version);
+ } else if (raw == OFPRAW_OFPT14_TABLE_MOD) {
+ const struct ofp14_table_mod *otm = ofpbuf_pull(&b, sizeof *otm);
+
+ pm->table_id = otm->table_id;
+ pm->miss_config = ofputil_table_miss_from_config(otm->config,
+ oh->version);
+ /* We do not understand any properties yet, so we do not bother
+ * parsing them. */
} else {
return OFPERR_OFPBRC_BAD_TYPE;
}
b = ofpraw_alloc(OFPRAW_OFPT11_TABLE_MOD, ofp_version, 0);
otm = ofpbuf_put_zeros(b, sizeof *otm);
otm->table_id = pm->table_id;
- otm->config = htonl(pm->config);
+ otm->config = ofputil_table_miss_to_config(pm->miss_config,
+ ofp_version);
+ break;
+ }
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
+ struct ofp14_table_mod *otm;
+
+ b = ofpraw_alloc(OFPRAW_OFPT14_TABLE_MOD, ofp_version, 0);
+ otm = ofpbuf_put_zeros(b, sizeof *otm);
+ otm->table_id = pm->table_id;
+ otm->config = ofputil_table_miss_to_config(pm->miss_config,
+ ofp_version);
break;
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return b;
if (raw == OFPRAW_OFPT12_ROLE_REQUEST ||
raw == OFPRAW_OFPT12_ROLE_REPLY) {
- const struct ofp12_role_request *orr = b.l3;
+ const struct ofp12_role_request *orr = ofpbuf_l3(&b);
if (orr->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
orr->role != htonl(OFPCR12_ROLE_EQUAL) &&
}
} else if (raw == OFPRAW_NXT_ROLE_REQUEST ||
raw == OFPRAW_NXT_ROLE_REPLY) {
- const struct nx_role_request *nrr = b.l3;
+ const struct nx_role_request *nrr = ofpbuf_l3(&b);
BUILD_ASSERT(NX_ROLE_OTHER + 1 == OFPCR12_ROLE_EQUAL);
BUILD_ASSERT(NX_ROLE_MASTER + 1 == OFPCR12_ROLE_MASTER);
rr->have_generation_id = false;
rr->generation_id = 0;
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return 0;
nrr = ofpbuf_put_zeros(buf, sizeof *nrr);
nrr->role = htonl(rr->role - 1);
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return buf;
}
\f
+/* Encodes "role status" message 'status' for sending in the given
+ * 'protocol'. Returns the role status message, if 'protocol' supports them,
+ * otherwise a null pointer. */
struct ofpbuf *
ofputil_encode_role_status(const struct ofputil_role_status *status,
enum ofputil_protocol protocol)
{
- struct ofpbuf *buf;
enum ofp_version version;
- struct ofp14_role_status *rstatus;
version = ofputil_protocol_to_ofp_version(protocol);
- buf = ofpraw_alloc_xid(OFPRAW_OFPT14_ROLE_STATUS, version, htonl(0), 0);
- rstatus = ofpbuf_put_zeros(buf, sizeof *rstatus);
- rstatus->role = htonl(status->role);
- rstatus->reason = status->reason;
- rstatus->generation_id = htonll(status->generation_id);
-
- return buf;
+ if (version >= OFP14_VERSION) {
+ struct ofp14_role_status *rstatus;
+ struct ofpbuf *buf;
+
+ buf = ofpraw_alloc_xid(OFPRAW_OFPT14_ROLE_STATUS, version, htonl(0),
+ 0);
+ rstatus = ofpbuf_put_zeros(buf, sizeof *rstatus);
+ rstatus->role = htonl(status->role);
+ rstatus->reason = status->reason;
+ rstatus->generation_id = htonll(status->generation_id);
+
+ return buf;
+ } else {
+ return NULL;
+ }
}
enum ofperr
raw = ofpraw_pull_assert(&b);
ovs_assert(raw == OFPRAW_OFPT14_ROLE_STATUS);
- r = b.l3;
+ r = ofpbuf_l3(&b);
if (r->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
r->role != htonl(OFPCR12_ROLE_EQUAL) &&
r->role != htonl(OFPCR12_ROLE_MASTER) &&
/* Table stats. */
+/* OpenFlow 1.0 and 1.1 don't distinguish between a field that cannot be
+ * matched and a field that must be wildcarded. This function returns a bitmap
+ * that contains both kinds of fields. */
+static struct mf_bitmap
+wild_or_nonmatchable_fields(const struct ofputil_table_features *features)
+{
+ struct mf_bitmap wc = features->match;
+ bitmap_not(wc.bm, MFF_N_IDS);
+ bitmap_or(wc.bm, features->wildcard.bm, MFF_N_IDS);
+ return wc;
+}
+
+struct ofp10_wc_map {
+ enum ofp10_flow_wildcards wc10;
+ enum mf_field_id mf;
+};
+
+static const struct ofp10_wc_map ofp10_wc_map[] = {
+ { OFPFW10_IN_PORT, MFF_IN_PORT },
+ { OFPFW10_DL_VLAN, MFF_VLAN_VID },
+ { OFPFW10_DL_SRC, MFF_ETH_SRC },
+ { OFPFW10_DL_DST, MFF_ETH_DST},
+ { OFPFW10_DL_TYPE, MFF_ETH_TYPE },
+ { OFPFW10_NW_PROTO, MFF_IP_PROTO },
+ { OFPFW10_TP_SRC, MFF_TCP_SRC },
+ { OFPFW10_TP_DST, MFF_TCP_DST },
+ { OFPFW10_NW_SRC_MASK, MFF_IPV4_SRC },
+ { OFPFW10_NW_DST_MASK, MFF_IPV4_DST },
+ { OFPFW10_DL_VLAN_PCP, MFF_VLAN_PCP },
+ { OFPFW10_NW_TOS, MFF_IP_DSCP },
+};
+
+static ovs_be32
+mf_bitmap_to_of10(const struct mf_bitmap *fields)
+{
+ const struct ofp10_wc_map *p;
+ uint32_t wc10 = 0;
+
+ for (p = ofp10_wc_map; p < &ofp10_wc_map[ARRAY_SIZE(ofp10_wc_map)]; p++) {
+ if (bitmap_is_set(fields->bm, p->mf)) {
+ wc10 |= p->wc10;
+ }
+ }
+ return htonl(wc10);
+}
+
+static struct mf_bitmap
+mf_bitmap_from_of10(ovs_be32 wc10_)
+{
+ struct mf_bitmap fields = MF_BITMAP_INITIALIZER;
+ const struct ofp10_wc_map *p;
+ uint32_t wc10 = ntohl(wc10_);
+
+ for (p = ofp10_wc_map; p < &ofp10_wc_map[ARRAY_SIZE(ofp10_wc_map)]; p++) {
+ if (wc10 & p->wc10) {
+ bitmap_set1(fields.bm, p->mf);
+ }
+ }
+ return fields;
+}
+
static void
-ofputil_put_ofp10_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp10_table_stats(const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
struct ofpbuf *buf)
{
- struct wc_map {
- enum ofp10_flow_wildcards wc10;
- enum oxm12_ofb_match_fields mf12;
- };
-
- static const struct wc_map wc_map[] = {
- { OFPFW10_IN_PORT, OFPXMT12_OFB_IN_PORT },
- { OFPFW10_DL_VLAN, OFPXMT12_OFB_VLAN_VID },
- { OFPFW10_DL_SRC, OFPXMT12_OFB_ETH_SRC },
- { OFPFW10_DL_DST, OFPXMT12_OFB_ETH_DST},
- { OFPFW10_DL_TYPE, OFPXMT12_OFB_ETH_TYPE },
- { OFPFW10_NW_PROTO, OFPXMT12_OFB_IP_PROTO },
- { OFPFW10_TP_SRC, OFPXMT12_OFB_TCP_SRC },
- { OFPFW10_TP_DST, OFPXMT12_OFB_TCP_DST },
- { OFPFW10_NW_SRC_MASK, OFPXMT12_OFB_IPV4_SRC },
- { OFPFW10_NW_DST_MASK, OFPXMT12_OFB_IPV4_DST },
- { OFPFW10_DL_VLAN_PCP, OFPXMT12_OFB_VLAN_PCP },
- { OFPFW10_NW_TOS, OFPXMT12_OFB_IP_DSCP },
- };
-
+ struct mf_bitmap wc = wild_or_nonmatchable_fields(features);
struct ofp10_table_stats *out;
- const struct wc_map *p;
out = ofpbuf_put_zeros(buf, sizeof *out);
- out->table_id = in->table_id;
- ovs_strlcpy(out->name, in->name, sizeof out->name);
- out->wildcards = 0;
- for (p = wc_map; p < &wc_map[ARRAY_SIZE(wc_map)]; p++) {
- if (in->wildcards & htonll(1ULL << p->mf12)) {
- out->wildcards |= htonl(p->wc10);
+ out->table_id = features->table_id;
+ ovs_strlcpy(out->name, features->name, sizeof out->name);
+ out->wildcards = mf_bitmap_to_of10(&wc);
+ out->max_entries = htonl(features->max_entries);
+ out->active_count = htonl(stats->active_count);
+ put_32aligned_be64(&out->lookup_count, htonll(stats->lookup_count));
+ put_32aligned_be64(&out->matched_count, htonll(stats->matched_count));
+}
+
+struct ofp11_wc_map {
+ enum ofp11_flow_match_fields wc11;
+ enum mf_field_id mf;
+};
+
+static const struct ofp11_wc_map ofp11_wc_map[] = {
+ { OFPFMF11_IN_PORT, MFF_IN_PORT },
+ { OFPFMF11_DL_VLAN, MFF_VLAN_VID },
+ { OFPFMF11_DL_VLAN_PCP, MFF_VLAN_PCP },
+ { OFPFMF11_DL_TYPE, MFF_ETH_TYPE },
+ { OFPFMF11_NW_TOS, MFF_IP_DSCP },
+ { OFPFMF11_NW_PROTO, MFF_IP_PROTO },
+ { OFPFMF11_TP_SRC, MFF_TCP_SRC },
+ { OFPFMF11_TP_DST, MFF_TCP_DST },
+ { OFPFMF11_MPLS_LABEL, MFF_MPLS_LABEL },
+ { OFPFMF11_MPLS_TC, MFF_MPLS_TC },
+ /* I don't know what OFPFMF11_TYPE means. */
+ { OFPFMF11_DL_SRC, MFF_ETH_SRC },
+ { OFPFMF11_DL_DST, MFF_ETH_DST },
+ { OFPFMF11_NW_SRC, MFF_IPV4_SRC },
+ { OFPFMF11_NW_DST, MFF_IPV4_DST },
+ { OFPFMF11_METADATA, MFF_METADATA },
+};
+
+static ovs_be32
+mf_bitmap_to_of11(const struct mf_bitmap *fields)
+{
+ const struct ofp11_wc_map *p;
+ uint32_t wc11 = 0;
+
+ for (p = ofp11_wc_map; p < &ofp11_wc_map[ARRAY_SIZE(ofp11_wc_map)]; p++) {
+ if (bitmap_is_set(fields->bm, p->mf)) {
+ wc11 |= p->wc11;
}
}
- out->max_entries = in->max_entries;
- out->active_count = in->active_count;
- put_32aligned_be64(&out->lookup_count, in->lookup_count);
- put_32aligned_be64(&out->matched_count, in->matched_count);
+ return htonl(wc11);
}
-static ovs_be32
-oxm12_to_ofp11_flow_match_fields(ovs_be64 oxm12)
-{
- struct map {
- enum ofp11_flow_match_fields fmf11;
- enum oxm12_ofb_match_fields mf12;
- };
-
- static const struct map map[] = {
- { OFPFMF11_IN_PORT, OFPXMT12_OFB_IN_PORT },
- { OFPFMF11_DL_VLAN, OFPXMT12_OFB_VLAN_VID },
- { OFPFMF11_DL_VLAN_PCP, OFPXMT12_OFB_VLAN_PCP },
- { OFPFMF11_DL_TYPE, OFPXMT12_OFB_ETH_TYPE },
- { OFPFMF11_NW_TOS, OFPXMT12_OFB_IP_DSCP },
- { OFPFMF11_NW_PROTO, OFPXMT12_OFB_IP_PROTO },
- { OFPFMF11_TP_SRC, OFPXMT12_OFB_TCP_SRC },
- { OFPFMF11_TP_DST, OFPXMT12_OFB_TCP_DST },
- { OFPFMF11_MPLS_LABEL, OFPXMT12_OFB_MPLS_LABEL },
- { OFPFMF11_MPLS_TC, OFPXMT12_OFB_MPLS_TC },
- /* I don't know what OFPFMF11_TYPE means. */
- { OFPFMF11_DL_SRC, OFPXMT12_OFB_ETH_SRC },
- { OFPFMF11_DL_DST, OFPXMT12_OFB_ETH_DST },
- { OFPFMF11_NW_SRC, OFPXMT12_OFB_IPV4_SRC },
- { OFPFMF11_NW_DST, OFPXMT12_OFB_IPV4_DST },
- { OFPFMF11_METADATA, OFPXMT12_OFB_METADATA },
- };
-
- const struct map *p;
- uint32_t fmf11;
-
- fmf11 = 0;
- for (p = map; p < &map[ARRAY_SIZE(map)]; p++) {
- if (oxm12 & htonll(1ULL << p->mf12)) {
- fmf11 |= p->fmf11;
- }
- }
- return htonl(fmf11);
+static struct mf_bitmap
+mf_bitmap_from_of11(ovs_be32 wc11_)
+{
+ struct mf_bitmap fields = MF_BITMAP_INITIALIZER;
+ const struct ofp11_wc_map *p;
+ uint32_t wc11 = ntohl(wc11_);
+
+ for (p = ofp11_wc_map; p < &ofp11_wc_map[ARRAY_SIZE(ofp11_wc_map)]; p++) {
+ if (wc11 & p->wc11) {
+ bitmap_set1(fields.bm, p->mf);
+ }
+ }
+ return fields;
}
static void
-ofputil_put_ofp11_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp11_table_stats(const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
struct ofpbuf *buf)
{
+ struct mf_bitmap wc = wild_or_nonmatchable_fields(features);
struct ofp11_table_stats *out;
out = ofpbuf_put_zeros(buf, sizeof *out);
- out->table_id = in->table_id;
- ovs_strlcpy(out->name, in->name, sizeof out->name);
- out->wildcards = oxm12_to_ofp11_flow_match_fields(in->wildcards);
- out->match = oxm12_to_ofp11_flow_match_fields(in->match);
- out->instructions = in->instructions;
- out->write_actions = in->write_actions;
- out->apply_actions = in->apply_actions;
- out->config = in->config;
- out->max_entries = in->max_entries;
- out->active_count = in->active_count;
- out->lookup_count = in->lookup_count;
- out->matched_count = in->matched_count;
+ out->table_id = features->table_id;
+ ovs_strlcpy(out->name, features->name, sizeof out->name);
+ out->wildcards = mf_bitmap_to_of11(&wc);
+ out->match = mf_bitmap_to_of11(&features->match);
+ out->instructions = ovsinst_bitmap_to_openflow(
+ features->nonmiss.instructions, OFP11_VERSION);
+ out->write_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.write.ofpacts, OFP11_VERSION);
+ out->apply_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.apply.ofpacts, OFP11_VERSION);
+ out->config = htonl(features->miss_config);
+ out->max_entries = htonl(features->max_entries);
+ out->active_count = htonl(stats->active_count);
+ out->lookup_count = htonll(stats->lookup_count);
+ out->matched_count = htonll(stats->matched_count);
}
static void
-ofputil_put_ofp12_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp12_table_stats(const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
struct ofpbuf *buf)
{
- struct ofp12_table_stats *out = ofpbuf_put(buf, in, sizeof *in);
+ struct ofp12_table_stats *out;
- /* Trim off OF1.3-only capabilities. */
- out->match &= htonll(OFPXMT12_MASK);
- out->wildcards &= htonll(OFPXMT12_MASK);
- out->write_setfields &= htonll(OFPXMT12_MASK);
- out->apply_setfields &= htonll(OFPXMT12_MASK);
+ out = ofpbuf_put_zeros(buf, sizeof *out);
+ out->table_id = features->table_id;
+ ovs_strlcpy(out->name, features->name, sizeof out->name);
+ out->match = oxm_bitmap_from_mf_bitmap(&features->match, OFP12_VERSION);
+ out->wildcards = oxm_bitmap_from_mf_bitmap(&features->wildcard,
+ OFP12_VERSION);
+ out->write_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.write.ofpacts, OFP12_VERSION);
+ out->apply_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.apply.ofpacts, OFP12_VERSION);
+ out->write_setfields = oxm_bitmap_from_mf_bitmap(
+ &features->nonmiss.write.set_fields, OFP12_VERSION);
+ out->apply_setfields = oxm_bitmap_from_mf_bitmap(
+ &features->nonmiss.apply.set_fields, OFP12_VERSION);
+ out->metadata_match = features->metadata_match;
+ out->metadata_write = features->metadata_write;
+ out->instructions = ovsinst_bitmap_to_openflow(
+ features->nonmiss.instructions, OFP12_VERSION);
+ out->config = ofputil_table_miss_to_config(features->miss_config,
+ OFP12_VERSION);
+ out->max_entries = htonl(features->max_entries);
+ out->active_count = htonl(stats->active_count);
+ out->lookup_count = htonll(stats->lookup_count);
+ out->matched_count = htonll(stats->matched_count);
}
static void
-ofputil_put_ofp13_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp13_table_stats(const struct ofputil_table_stats *stats,
struct ofpbuf *buf)
{
struct ofp13_table_stats *out;
- /* OF 1.3 splits table features off the ofp_table_stats,
- * so there is not much here. */
+ out = ofpbuf_put_zeros(buf, sizeof *out);
+ out->table_id = stats->table_id;
+ out->active_count = htonl(stats->active_count);
+ out->lookup_count = htonll(stats->lookup_count);
+ out->matched_count = htonll(stats->matched_count);
+}
+
+struct ofpbuf *
+ofputil_encode_table_stats_reply(const struct ofp_header *request)
+{
+ return ofpraw_alloc_stats_reply(request, 0);
+}
+
+void
+ofputil_append_table_stats_reply(struct ofpbuf *reply,
+ const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features)
+{
+ struct ofp_header *oh = ofpbuf_l2(reply);
+
+ ovs_assert(stats->table_id == features->table_id);
+
+ switch ((enum ofp_version) oh->version) {
+ case OFP10_VERSION:
+ ofputil_put_ofp10_table_stats(stats, features, reply);
+ break;
+
+ case OFP11_VERSION:
+ ofputil_put_ofp11_table_stats(stats, features, reply);
+ break;
+
+ case OFP12_VERSION:
+ ofputil_put_ofp12_table_stats(stats, features, reply);
+ break;
+
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ ofputil_put_ofp13_table_stats(stats, reply);
+ break;
- out = ofpbuf_put_uninit(buf, sizeof *out);
- out->table_id = in->table_id;
- out->active_count = in->active_count;
- out->lookup_count = in->lookup_count;
- out->matched_count = in->matched_count;
+ default:
+ OVS_NOT_REACHED();
+ }
}
-struct ofpbuf *
-ofputil_encode_table_stats_reply(const struct ofp12_table_stats stats[], int n,
- const struct ofp_header *request)
-{
- struct ofpbuf *reply;
- int i;
+static int
+ofputil_decode_ofp10_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp10_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+ ovs_strlcpy(features->name, ots->name, sizeof features->name);
+ features->max_entries = ntohl(ots->max_entries);
+ features->match = features->wildcard = mf_bitmap_from_of10(ots->wildcards);
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(get_32aligned_be64(&ots->lookup_count));
+ stats->matched_count = ntohll(get_32aligned_be64(&ots->matched_count));
+
+ return 0;
+}
+
+static int
+ofputil_decode_ofp11_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp11_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+ ovs_strlcpy(features->name, ots->name, sizeof features->name);
+ features->max_entries = ntohl(ots->max_entries);
+ features->nonmiss.instructions = ovsinst_bitmap_from_openflow(
+ ots->instructions, OFP11_VERSION);
+ features->nonmiss.write.ofpacts = ofpact_bitmap_from_openflow(
+ ots->write_actions, OFP11_VERSION);
+ features->nonmiss.apply.ofpacts = ofpact_bitmap_from_openflow(
+ ots->write_actions, OFP11_VERSION);
+ features->miss = features->nonmiss;
+ features->miss_config = ofputil_table_miss_from_config(ots->config,
+ OFP11_VERSION);
+ features->match = mf_bitmap_from_of11(ots->match);
+ features->wildcard = mf_bitmap_from_of11(ots->wildcards);
+ bitmap_or(features->match.bm, features->wildcard.bm, MFF_N_IDS);
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(ots->lookup_count);
+ stats->matched_count = ntohll(ots->matched_count);
+
+ return 0;
+}
+
+static int
+ofputil_decode_ofp12_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp12_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+ ovs_strlcpy(features->name, ots->name, sizeof features->name);
+ features->metadata_match = ots->metadata_match;
+ features->metadata_write = ots->metadata_write;
+ features->miss_config = ofputil_table_miss_from_config(ots->config,
+ OFP12_VERSION);
+ features->max_entries = ntohl(ots->max_entries);
+
+ features->nonmiss.instructions = ovsinst_bitmap_from_openflow(
+ ots->instructions, OFP12_VERSION);
+ features->nonmiss.write.ofpacts = ofpact_bitmap_from_openflow(
+ ots->write_actions, OFP12_VERSION);
+ features->nonmiss.apply.ofpacts = ofpact_bitmap_from_openflow(
+ ots->apply_actions, OFP12_VERSION);
+ features->nonmiss.write.set_fields = oxm_bitmap_to_mf_bitmap(
+ ots->write_setfields, OFP12_VERSION);
+ features->nonmiss.apply.set_fields = oxm_bitmap_to_mf_bitmap(
+ ots->apply_setfields, OFP12_VERSION);
+ features->miss = features->nonmiss;
+
+ features->match = oxm_bitmap_to_mf_bitmap(ots->match, OFP12_VERSION);
+ features->wildcard = oxm_bitmap_to_mf_bitmap(ots->wildcards,
+ OFP12_VERSION);
+ bitmap_or(features->match.bm, features->wildcard.bm, MFF_N_IDS);
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(ots->lookup_count);
+ stats->matched_count = ntohll(ots->matched_count);
+
+ return 0;
+}
+
+static int
+ofputil_decode_ofp13_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp13_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(ots->lookup_count);
+ stats->matched_count = ntohll(ots->matched_count);
+
+ return 0;
+}
+
+int
+ofputil_decode_table_stats_reply(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ const struct ofp_header *oh;
+
+ if (!msg->frame) {
+ ofpraw_pull_assert(msg);
+ }
+ oh = msg->frame;
+
+ if (!ofpbuf_size(msg)) {
+ return EOF;
+ }
- reply = ofpraw_alloc_stats_reply(request, n * sizeof *stats);
+ memset(stats, 0, sizeof *stats);
+ memset(features, 0, sizeof *features);
- for (i = 0; i < n; i++) {
- switch ((enum ofp_version) request->version) {
- case OFP10_VERSION:
- ofputil_put_ofp10_table_stats(&stats[i], reply);
- break;
+ switch ((enum ofp_version) oh->version) {
+ case OFP10_VERSION:
+ return ofputil_decode_ofp10_table_stats(msg, stats, features);
- case OFP11_VERSION:
- ofputil_put_ofp11_table_stats(&stats[i], reply);
- break;
+ case OFP11_VERSION:
+ return ofputil_decode_ofp11_table_stats(msg, stats, features);
- case OFP12_VERSION:
- ofputil_put_ofp12_table_stats(&stats[i], reply);
- break;
+ case OFP12_VERSION:
+ return ofputil_decode_ofp12_table_stats(msg, stats, features);
- case OFP13_VERSION:
- ofputil_put_ofp13_table_stats(&stats[i], reply);
- break;
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ return ofputil_decode_ofp13_table_stats(msg, stats, features);
- default:
- NOT_REACHED();
- }
+ default:
+ OVS_NOT_REACHED();
}
-
- return reply;
}
\f
/* ofputil_flow_monitor_request */
struct nx_flow_monitor_request *nfmr;
uint16_t flags;
- if (!msg->l2) {
- msg->l2 = msg->data;
+ if (!msg->frame) {
ofpraw_pull_assert(msg);
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
}
nfmr = ofpbuf_try_pull(msg, sizeof *nfmr);
if (!nfmr) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR request has %zu "
- "leftover bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR request has %"PRIu32" "
+ "leftover bytes at end", ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
| NXFMF_MODIFY | NXFMF_ACTIONS | NXFMF_OWN)) {
VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR has bad flags %#"PRIx16,
flags);
- return OFPERR_NXBRC_FM_BAD_FLAGS;
+ return OFPERR_OFPMOFC_BAD_FLAGS;
}
if (!is_all_zeros(nfmr->zeros, sizeof nfmr->zeros)) {
size_t start_ofs;
int match_len;
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
ofpraw_put(OFPRAW_NXST_FLOW_MONITOR_REQUEST, OFP10_VERSION, msg);
}
- start_ofs = msg->size;
+ start_ofs = ofpbuf_size(msg);
ofpbuf_put_zeros(msg, sizeof *nfmr);
match_len = nx_put_match(msg, &rq->match, htonll(0), htonll(0));
unsigned int length;
struct ofp_header *oh;
- if (!msg->l2) {
- msg->l2 = msg->data;
+ if (!msg->frame) {
ofpraw_pull_assert(msg);
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
}
- if (msg->size < sizeof(struct nx_flow_update_header)) {
+ if (ofpbuf_size(msg) < sizeof(struct nx_flow_update_header)) {
goto bad_len;
}
- oh = msg->l2;
+ oh = msg->frame;
- nfuh = msg->data;
+ nfuh = ofpbuf_data(msg);
update->event = ntohs(nfuh->event);
length = ntohs(nfuh->length);
- if (length > msg->size || length % 8) {
+ if (length > ofpbuf_size(msg) || length % 8) {
goto bad_len;
}
return error;
}
- update->ofpacts = ofpacts->data;
- update->ofpacts_len = ofpacts->size;
+ update->ofpacts = ofpbuf_data(ofpacts);
+ update->ofpacts_len = ofpbuf_size(ofpacts);
return 0;
} else {
VLOG_WARN_RL(&bad_ofmsg_rl,
}
bad_len:
- VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR reply has %zu "
- "leftover bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR reply has %"PRIu32" "
+ "leftover bytes at end", ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
ofputil_append_flow_update(const struct ofputil_flow_update *update,
struct list *replies)
{
+ enum ofp_version version = ofpmp_version(replies);
struct nx_flow_update_header *nfuh;
struct ofpbuf *msg;
size_t start_ofs;
- enum ofp_version version;
msg = ofpbuf_from_list(list_back(replies));
- start_ofs = msg->size;
- version = ((struct ofp_header *)msg->l2)->version;
+ start_ofs = ofpbuf_size(msg);
if (update->event == NXFME_ABBREV) {
struct nx_flow_update_abbrev *nfua;
}
nfuh = ofpbuf_at_assert(msg, start_ofs, sizeof *nfuh);
- nfuh->length = htons(msg->size - start_ofs);
+ nfuh->length = htons(ofpbuf_size(msg) - start_ofs);
nfuh->event = htons(update->event);
ofpmp_postappend(replies, start_ofs);
msg = ofpraw_alloc(OFPRAW_OFPT10_PACKET_OUT, OFP10_VERSION, size);
ofpbuf_put_zeros(msg, sizeof *opo);
- actions_ofs = msg->size;
+ actions_ofs = ofpbuf_size(msg);
ofpacts_put_openflow_actions(po->ofpacts, po->ofpacts_len, msg,
ofp_version);
- opo = msg->l3;
+ opo = ofpbuf_l3(msg);
opo->buffer_id = htonl(po->buffer_id);
opo->in_port = htons(ofp_to_u16(po->in_port));
- opo->actions_len = htons(msg->size - actions_ofs);
+ opo->actions_len = htons(ofpbuf_size(msg) - actions_ofs);
break;
}
case OFP11_VERSION:
case OFP12_VERSION:
- case OFP13_VERSION: {
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
struct ofp11_packet_out *opo;
size_t len;
ofpbuf_put_zeros(msg, sizeof *opo);
len = ofpacts_put_openflow_actions(po->ofpacts, po->ofpacts_len, msg,
ofp_version);
- opo = msg->l3;
+ opo = ofpbuf_l3(msg);
opo->buffer_id = htonl(po->buffer_id);
opo->in_port = ofputil_port_to_ofp11(po->in_port);
opo->actions_len = htons(len);
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
if (po->buffer_id == UINT32_MAX) {
ofpbuf_use_const(&rq_buf, rq, ntohs(rq->length));
ofpraw_pull_assert(&rq_buf);
- reply = ofpraw_alloc_reply(OFPRAW_OFPT_ECHO_REPLY, rq, rq_buf.size);
- ofpbuf_put(reply, rq_buf.data, rq_buf.size);
+ reply = ofpraw_alloc_reply(OFPRAW_OFPT_ECHO_REPLY, rq, ofpbuf_size(&rq_buf));
+ ofpbuf_put(reply, ofpbuf_data(&rq_buf), ofpbuf_size(&rq_buf));
return reply;
}
enum ofpraw type;
switch (ofp_version) {
+ case OFP15_VERSION:
+ case OFP14_VERSION:
case OFP13_VERSION:
case OFP12_VERSION:
case OFP11_VERSION:
break;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return ofpraw_alloc(type, ofp_version, 0);
case OFPC_FRAG_NX_MATCH: return "nx-match";
}
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
bool
OFPUTIL_NAMED_PORT(ALL) \
OFPUTIL_NAMED_PORT(CONTROLLER) \
OFPUTIL_NAMED_PORT(LOCAL) \
- OFPUTIL_NAMED_PORT(ANY)
+ OFPUTIL_NAMED_PORT(ANY) \
+ OFPUTIL_NAMED_PORT(UNSET)
/* For backwards compatibility, so that "none" is recognized as OFPP_ANY */
#define OFPUTIL_NAMED_PORTS_WITH_NONE \
bool
ofputil_port_from_string(const char *s, ofp_port_t *portp)
{
- uint32_t port32;
+ unsigned int port32; /* int is at least 32 bits wide. */
+ if (*s == '-') {
+ VLOG_WARN("Negative value %s is not a valid port number.", s);
+ return false;
+ }
*portp = 0;
if (str_to_uint(s, 10, &port32)) {
if (port32 < ofp_to_u16(OFPP_MAX)) {
ofputil_pull_phy_port(enum ofp_version ofp_version, struct ofpbuf *b,
struct ofputil_phy_port *pp)
{
+ memset(pp, 0, sizeof *pp);
+
switch (ofp_version) {
case OFP10_VERSION: {
const struct ofp10_phy_port *opp = ofpbuf_try_pull(b, sizeof *opp);
const struct ofp11_port *op = ofpbuf_try_pull(b, sizeof *op);
return op ? ofputil_decode_ofp11_port(pp, op) : EOF;
}
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ return ofpbuf_size(b) ? ofputil_pull_ofp14_port(pp, b) : EOF;
default:
- NOT_REACHED();
- }
-}
-
-/* Given a buffer 'b' that contains an array of OpenFlow ports of type
- * 'ofp_version', returns the number of elements. */
-size_t ofputil_count_phy_ports(uint8_t ofp_version, struct ofpbuf *b)
-{
- return b->size / ofputil_get_phy_port_size(ofp_version);
-}
-
-/* ofp-util.def lists the mapping from names to action. */
-static const char *const names[OFPUTIL_N_ACTIONS] = {
- NULL,
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) NAME,
-#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
-#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
-#include "ofp-util.def"
-};
-
-/* Returns the 'enum ofputil_action_code' corresponding to 'name' (e.g. if
- * 'name' is "output" then the return value is OFPUTIL_OFPAT10_OUTPUT), or -1
- * if 'name' is not the name of any action. */
-int
-ofputil_action_code_from_name(const char *name)
-{
- const char *const *p;
-
- for (p = names; p < &names[ARRAY_SIZE(names)]; p++) {
- if (*p && !strcasecmp(name, *p)) {
- return p - names;
- }
+ OVS_NOT_REACHED();
}
- return -1;
}
-/* Returns name corresponding to the 'enum ofputil_action_code',
- * or "Unkonwn action", if the name is not available. */
-const char *
-ofputil_action_name_from_code(enum ofputil_action_code code)
-{
- return code < (int)OFPUTIL_N_ACTIONS && names[code] ? names[code]
- : "Unknown action";
-}
-
-/* Appends an action of the type specified by 'code' to 'buf' and returns the
- * action. Initializes the parts of 'action' that identify it as having type
- * <ENUM> and length 'sizeof *action' and zeros the rest. For actions that
- * have variable length, the length used and cleared is that of struct
- * <STRUCT>. */
-void *
-ofputil_put_action(enum ofputil_action_code code, struct ofpbuf *buf)
-{
- switch (code) {
- case OFPUTIL_ACTION_INVALID:
- NOT_REACHED();
-
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) \
- case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
-#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
-#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
-#include "ofp-util.def"
- }
- NOT_REACHED();
-}
-
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) \
- void \
- ofputil_init_##ENUM(struct STRUCT *s) \
- { \
- memset(s, 0, sizeof *s); \
- s->type = htons(ENUM); \
- s->len = htons(sizeof *s); \
- } \
- \
- struct STRUCT * \
- ofputil_put_##ENUM(struct ofpbuf *buf) \
- { \
- struct STRUCT *s = ofpbuf_put_uninit(buf, sizeof *s); \
- ofputil_init_##ENUM(s); \
- return s; \
- }
-#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- OFPAT10_ACTION(ENUM, STRUCT, NAME)
-#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- void \
- ofputil_init_##ENUM(struct STRUCT *s) \
- { \
- memset(s, 0, sizeof *s); \
- s->type = htons(OFPAT10_VENDOR); \
- s->len = htons(sizeof *s); \
- s->vendor = htonl(NX_VENDOR_ID); \
- s->subtype = htons(ENUM); \
- } \
- \
- struct STRUCT * \
- ofputil_put_##ENUM(struct ofpbuf *buf) \
- { \
- struct STRUCT *s = ofpbuf_put_uninit(buf, sizeof *s); \
- ofputil_init_##ENUM(s); \
- return s; \
- }
-#include "ofp-util.def"
-
static void
ofputil_normalize_match__(struct match *match, bool may_log)
{
wc.masks.nd_target = in6addr_any;
}
if (!(may_match & MAY_MPLS)) {
- wc.masks.mpls_lse = htonl(0);
+ memset(wc.masks.mpls_lse, 0, sizeof wc.masks.mpls_lse);
}
/* Log any changes. */
}
case OFP11_VERSION:
case OFP12_VERSION:
- case OFP13_VERSION: {
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
struct ofp11_port_stats_request *req;
request = ofpraw_alloc(OFPRAW_OFPST11_PORT_REQUEST, ofp_version, 0);
req = ofpbuf_put_zeros(request, sizeof *req);
break;
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return request;
ps13->duration_nsec = htonl(ops->duration_nsec);
}
+static void
+ofputil_append_ofp14_port_stats(const struct ofputil_port_stats *ops,
+ struct list *replies)
+{
+ struct ofp14_port_stats_prop_ethernet *eth;
+ struct ofp14_port_stats *ps14;
+ struct ofpbuf *reply;
+
+ reply = ofpmp_reserve(replies, sizeof *ps14 + sizeof *eth);
+
+ ps14 = ofpbuf_put_uninit(reply, sizeof *ps14);
+ ps14->length = htons(sizeof *ps14 + sizeof *eth);
+ memset(ps14->pad, 0, sizeof ps14->pad);
+ ps14->port_no = ofputil_port_to_ofp11(ops->port_no);
+ ps14->duration_sec = htonl(ops->duration_sec);
+ ps14->duration_nsec = htonl(ops->duration_nsec);
+ ps14->rx_packets = htonll(ops->stats.rx_packets);
+ ps14->tx_packets = htonll(ops->stats.tx_packets);
+ ps14->rx_bytes = htonll(ops->stats.rx_bytes);
+ ps14->tx_bytes = htonll(ops->stats.tx_bytes);
+ ps14->rx_dropped = htonll(ops->stats.rx_dropped);
+ ps14->tx_dropped = htonll(ops->stats.tx_dropped);
+ ps14->rx_errors = htonll(ops->stats.rx_errors);
+ ps14->tx_errors = htonll(ops->stats.tx_errors);
+
+ eth = ofpbuf_put_uninit(reply, sizeof *eth);
+ eth->type = htons(OFPPSPT14_ETHERNET);
+ eth->length = htons(sizeof *eth);
+ memset(eth->pad, 0, sizeof eth->pad);
+ eth->rx_frame_err = htonll(ops->stats.rx_frame_errors);
+ eth->rx_over_err = htonll(ops->stats.rx_over_errors);
+ eth->rx_crc_err = htonll(ops->stats.rx_crc_errors);
+ eth->collisions = htonll(ops->stats.collisions);
+}
/* Encode a ports stat for 'ops' and append it to 'replies'. */
void
ofputil_append_port_stat(struct list *replies,
const struct ofputil_port_stats *ops)
{
- struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
- struct ofp_header *oh = msg->data;
-
- switch ((enum ofp_version)oh->version) {
+ switch (ofpmp_version(replies)) {
case OFP13_VERSION: {
struct ofp13_port_stats *reply = ofpmp_append(replies, sizeof *reply);
ofputil_port_stats_to_ofp13(ops, reply);
break;
}
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ ofputil_append_ofp14_port_stats(ops, replies);
+ break;
+
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
return error;
}
-static size_t
-ofputil_get_port_stats_size(enum ofp_version ofp_version)
+static enum ofperr
+parse_ofp14_port_stats_ethernet_property(const struct ofpbuf *payload,
+ struct ofputil_port_stats *ops)
{
- switch (ofp_version) {
- case OFP10_VERSION:
- return sizeof(struct ofp10_port_stats);
- case OFP11_VERSION:
- case OFP12_VERSION:
- return sizeof(struct ofp11_port_stats);
- case OFP13_VERSION:
- return sizeof(struct ofp13_port_stats);
- default:
- NOT_REACHED();
+ const struct ofp14_port_stats_prop_ethernet *eth = ofpbuf_data(payload);
+
+ if (ofpbuf_size(payload) != sizeof *eth) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ ops->stats.rx_frame_errors = ntohll(eth->rx_frame_err);
+ ops->stats.rx_over_errors = ntohll(eth->rx_over_err);
+ ops->stats.rx_crc_errors = ntohll(eth->rx_crc_err);
+ ops->stats.collisions = ntohll(eth->collisions);
+
+ return 0;
+}
+
+static enum ofperr
+ofputil_pull_ofp14_port_stats(struct ofputil_port_stats *ops,
+ struct ofpbuf *msg)
+{
+ const struct ofp14_port_stats *ps14;
+ struct ofpbuf properties;
+ enum ofperr error;
+ size_t len;
+
+ ps14 = ofpbuf_try_pull(msg, sizeof *ps14);
+ if (!ps14) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ len = ntohs(ps14->length);
+ if (len < sizeof *ps14 || len - sizeof *ps14 > ofpbuf_size(msg)) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ len -= sizeof *ps14;
+ ofpbuf_use_const(&properties, ofpbuf_pull(msg, len), len);
+
+ error = ofputil_port_from_ofp11(ps14->port_no, &ops->port_no);
+ if (error) {
+ return error;
+ }
+
+ ops->duration_sec = ntohl(ps14->duration_sec);
+ ops->duration_nsec = ntohl(ps14->duration_nsec);
+ ops->stats.rx_packets = ntohll(ps14->rx_packets);
+ ops->stats.tx_packets = ntohll(ps14->tx_packets);
+ ops->stats.rx_bytes = ntohll(ps14->rx_bytes);
+ ops->stats.tx_bytes = ntohll(ps14->tx_bytes);
+ ops->stats.rx_dropped = ntohll(ps14->rx_dropped);
+ ops->stats.tx_dropped = ntohll(ps14->tx_dropped);
+ ops->stats.rx_errors = ntohll(ps14->rx_errors);
+ ops->stats.tx_errors = ntohll(ps14->tx_errors);
+ ops->stats.rx_frame_errors = UINT64_MAX;
+ ops->stats.rx_over_errors = UINT64_MAX;
+ ops->stats.rx_crc_errors = UINT64_MAX;
+ ops->stats.collisions = UINT64_MAX;
+
+ while (ofpbuf_size(&properties) > 0) {
+ struct ofpbuf payload;
+ enum ofperr error;
+ uint16_t type;
+
+ error = ofputil_pull_property(&properties, &payload, &type);
+ if (error) {
+ return error;
+ }
+
+ switch (type) {
+ case OFPPSPT14_ETHERNET:
+ error = parse_ofp14_port_stats_ethernet_property(&payload, ops);
+ break;
+
+ default:
+ log_property(true, "unknown port stats property %"PRIu16, type);
+ error = 0;
+ break;
+ }
+
+ if (error) {
+ return error;
+ }
}
+
+ return 0;
}
/* Returns the number of port stats elements in OFPTYPE_PORT_STATS_REPLY
size_t
ofputil_count_port_stats(const struct ofp_header *oh)
{
+ struct ofputil_port_stats ps;
struct ofpbuf b;
+ size_t n = 0;
ofpbuf_use_const(&b, oh, ntohs(oh->length));
ofpraw_pull_assert(&b);
-
- return b.size / ofputil_get_port_stats_size(oh->version);
+ while (!ofputil_decode_port_stats(&ps, &b)) {
+ n++;
+ }
+ return n;
}
/* Converts an OFPST_PORT_STATS reply in 'msg' into an abstract
enum ofperr error;
enum ofpraw raw;
- error = (msg->l2
- ? ofpraw_decode(&raw, msg->l2)
+ error = (msg->frame
+ ? ofpraw_decode(&raw, msg->frame)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
+ } else if (raw == OFPRAW_OFPST14_PORT_REPLY) {
+ return ofputil_pull_ofp14_port_stats(ps, msg);
} else if (raw == OFPRAW_OFPST13_PORT_REPLY) {
const struct ofp13_port_stats *ps13;
}
return ofputil_port_stats_from_ofp10(ps, ps10);
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
bad_len:
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %zu leftover "
- "bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %"PRIu32" leftover "
+ "bytes at end", ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
ofp_port_t *ofp10_port)
{
switch ((enum ofp_version)request->version) {
+ case OFP15_VERSION:
+ case OFP14_VERSION:
case OFP13_VERSION:
case OFP12_VERSION:
case OFP11_VERSION: {
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
"(\'-O OpenFlow11\')");
case OFP11_VERSION:
case OFP12_VERSION:
- case OFP13_VERSION: {
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
struct ofp11_group_stats_request *req;
request = ofpraw_alloc(OFPRAW_OFPST11_GROUP_REQUEST, ofp_version, 0);
req = ofpbuf_put_zeros(request, sizeof *req);
break;
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return request;
}
+/* Decodes the OpenFlow group description request in 'oh', returning the group
+ * whose description is requested, or OFPG_ALL if stats for all groups was
+ * requested. */
+uint32_t
+ofputil_decode_group_desc_request(const struct ofp_header *oh)
+{
+ struct ofpbuf request;
+ enum ofpraw raw;
+
+ ofpbuf_use_const(&request, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&request);
+ if (raw == OFPRAW_OFPST11_GROUP_DESC_REQUEST) {
+ return OFPG_ALL;
+ } else if (raw == OFPRAW_OFPST15_GROUP_DESC_REQUEST) {
+ ovs_be32 *group_id = ofpbuf_pull(&request, sizeof *group_id);
+ return ntohl(*group_id);
+ } else {
+ OVS_NOT_REACHED();
+ }
+}
+
/* Returns an OpenFlow group description request for OpenFlow version
- * 'ofp_version', that requests stats for group 'group_id'. (Use OFPG_ALL to
- * request stats for all groups.)
+ * 'ofp_version', that requests stats for group 'group_id'. Use OFPG_ALL to
+ * request stats for all groups (OpenFlow 1.4 and earlier always request all
+ * groups).
*
* Group descriptions include the bucket and action configuration for each
* group. */
struct ofpbuf *
-ofputil_encode_group_desc_request(enum ofp_version ofp_version)
+ofputil_encode_group_desc_request(enum ofp_version ofp_version,
+ uint32_t group_id)
{
struct ofpbuf *request;
+ ovs_be32 gid;
switch (ofp_version) {
case OFP10_VERSION:
"(\'-O OpenFlow11\')");
case OFP11_VERSION:
case OFP12_VERSION:
- case OFP13_VERSION: {
- request = ofpraw_alloc(OFPRAW_OFPST11_GROUP_DESC_REQUEST, ofp_version, 0);
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ request = ofpraw_alloc(OFPRAW_OFPST11_GROUP_DESC_REQUEST,
+ ofp_version, 0);
+ break;
+ case OFP15_VERSION:
+ request = ofpraw_alloc(OFPRAW_OFPST15_GROUP_DESC_REQUEST,
+ ofp_version, 0);
+ gid = htonl(group_id);
+ ofpbuf_put(request, &gid, sizeof gid);
break;
- }
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return request;
}
-static void *
-ofputil_group_stats_to_ofp11(const struct ofputil_group_stats *ogs,
- size_t base_len, struct list *replies)
+static void
+ofputil_group_bucket_counters_to_ofp11(const struct ofputil_group_stats *gs,
+ struct ofp11_bucket_counter bucket_cnts[])
{
- struct ofp11_bucket_counter *bc11;
- struct ofp11_group_stats *gs11;
- size_t length;
int i;
- length = base_len + sizeof(struct ofp11_bucket_counter) * ogs->n_buckets;
-
- gs11 = ofpmp_append(replies, length);
- memset(gs11, 0, base_len);
- gs11->length = htons(length);
- gs11->group_id = htonl(ogs->group_id);
- gs11->ref_count = htonl(ogs->ref_count);
- gs11->packet_count = htonll(ogs->packet_count);
- gs11->byte_count = htonll(ogs->byte_count);
-
- bc11 = (void *) (((uint8_t *) gs11) + base_len);
- for (i = 0; i < ogs->n_buckets; i++) {
- const struct bucket_counter *obc = &ogs->bucket_stats[i];
-
- bc11[i].packet_count = htonll(obc->packet_count);
- bc11[i].byte_count = htonll(obc->byte_count);
+ for (i = 0; i < gs->n_buckets; i++) {
+ bucket_cnts[i].packet_count = htonll(gs->bucket_stats[i].packet_count);
+ bucket_cnts[i].byte_count = htonll(gs->bucket_stats[i].byte_count);
}
+}
- return gs11;
+static void
+ofputil_group_stats_to_ofp11(const struct ofputil_group_stats *gs,
+ struct ofp11_group_stats *gs11, size_t length,
+ struct ofp11_bucket_counter bucket_cnts[])
+{
+ memset(gs11, 0, sizeof *gs11);
+ gs11->length = htons(length);
+ gs11->group_id = htonl(gs->group_id);
+ gs11->ref_count = htonl(gs->ref_count);
+ gs11->packet_count = htonll(gs->packet_count);
+ gs11->byte_count = htonll(gs->byte_count);
+ ofputil_group_bucket_counters_to_ofp11(gs, bucket_cnts);
}
static void
-ofputil_append_of13_group_stats(const struct ofputil_group_stats *ogs,
- struct list *replies)
+ofputil_group_stats_to_ofp13(const struct ofputil_group_stats *gs,
+ struct ofp13_group_stats *gs13, size_t length,
+ struct ofp11_bucket_counter bucket_cnts[])
{
- struct ofp13_group_stats *gs13;
+ ofputil_group_stats_to_ofp11(gs, &gs13->gs, length, bucket_cnts);
+ gs13->duration_sec = htonl(gs->duration_sec);
+ gs13->duration_nsec = htonl(gs->duration_nsec);
- gs13 = ofputil_group_stats_to_ofp11(ogs, sizeof *gs13, replies);
- gs13->duration_sec = htonl(ogs->duration_sec);
- gs13->duration_nsec = htonl(ogs->duration_nsec);
}
-/* Encodes 'ogs' properly for the format of the list of group statistics
+/* Encodes 'gs' properly for the format of the list of group statistics
* replies already begun in 'replies' and appends it to the list. 'replies'
* must have originally been initialized with ofpmp_init(). */
void
ofputil_append_group_stats(struct list *replies,
- const struct ofputil_group_stats *ogs)
+ const struct ofputil_group_stats *gs)
{
- struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
- struct ofp_header *oh = msg->data;
+ size_t bucket_counter_size;
+ struct ofp11_bucket_counter *bucket_counters;
+ size_t length;
+
+ bucket_counter_size = gs->n_buckets * sizeof(struct ofp11_bucket_counter);
- switch ((enum ofp_version)oh->version) {
+ switch (ofpmp_version(replies)) {
case OFP11_VERSION:
- case OFP12_VERSION:
- ofputil_group_stats_to_ofp11(ogs, sizeof(struct ofp11_group_stats),
- replies);
- break;
+ case OFP12_VERSION:{
+ struct ofp11_group_stats *gs11;
+
+ length = sizeof *gs11 + bucket_counter_size;
+ gs11 = ofpmp_append(replies, length);
+ bucket_counters = (struct ofp11_bucket_counter *)(gs11 + 1);
+ ofputil_group_stats_to_ofp11(gs, gs11, length, bucket_counters);
+ break;
+ }
case OFP13_VERSION:
- ofputil_append_of13_group_stats(ogs, replies);
- break;
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
+ struct ofp13_group_stats *gs13;
+
+ length = sizeof *gs13 + bucket_counter_size;
+ gs13 = ofpmp_append(replies, length);
+ bucket_counters = (struct ofp11_bucket_counter *)(gs13 + 1);
+ ofputil_group_stats_to_ofp13(gs, gs13, length, bucket_counters);
+ break;
+ }
case OFP10_VERSION:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
-
/* Returns an OpenFlow group features request for OpenFlow version
* 'ofp_version'. */
struct ofpbuf *
ovs_fatal(0, "dump-group-features needs OpenFlow 1.2 or later "
"(\'-O OpenFlow12\')");
case OFP12_VERSION:
- case OFP13_VERSION: {
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
request = ofpraw_alloc(OFPRAW_OFPST12_GROUP_FEATURES_REQUEST,
- ofp_version, 0);
+ ofp_version, 0);
break;
- }
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return request;
{
struct ofp12_group_features_stats *ogf;
struct ofpbuf *reply;
+ int i;
reply = ofpraw_alloc_xid(OFPRAW_OFPST12_GROUP_FEATURES_REPLY,
request->version, request->xid, 0);
ogf = ofpbuf_put_zeros(reply, sizeof *ogf);
ogf->types = htonl(features->types);
ogf->capabilities = htonl(features->capabilities);
- ogf->max_groups[0] = htonl(features->max_groups[0]);
- ogf->max_groups[1] = htonl(features->max_groups[1]);
- ogf->max_groups[2] = htonl(features->max_groups[2]);
- ogf->max_groups[3] = htonl(features->max_groups[3]);
- ogf->actions[0] = htonl(features->actions[0]);
- ogf->actions[1] = htonl(features->actions[1]);
- ogf->actions[2] = htonl(features->actions[2]);
- ogf->actions[3] = htonl(features->actions[3]);
+ for (i = 0; i < OFPGT12_N_TYPES; i++) {
+ ogf->max_groups[i] = htonl(features->max_groups[i]);
+ ogf->actions[i] = ofpact_bitmap_to_openflow(features->ofpacts[i],
+ request->version);
+ }
return reply;
}
struct ofputil_group_features *features)
{
const struct ofp12_group_features_stats *ogf = ofpmsg_body(oh);
+ int i;
features->types = ntohl(ogf->types);
features->capabilities = ntohl(ogf->capabilities);
- features->max_groups[0] = ntohl(ogf->max_groups[0]);
- features->max_groups[1] = ntohl(ogf->max_groups[1]);
- features->max_groups[2] = ntohl(ogf->max_groups[2]);
- features->max_groups[3] = ntohl(ogf->max_groups[3]);
- features->actions[0] = ntohl(ogf->actions[0]);
- features->actions[1] = ntohl(ogf->actions[1]);
- features->actions[2] = ntohl(ogf->actions[2]);
- features->actions[3] = ntohl(ogf->actions[3]);
+ for (i = 0; i < OFPGT12_N_TYPES; i++) {
+ features->max_groups[i] = ntohl(ogf->max_groups[i]);
+ features->ofpacts[i] = ofpact_bitmap_from_openflow(
+ ogf->actions[i], oh->version);
+ }
}
/* Parse a group status request message into a 32 bit OpenFlow 1.1
size_t i;
gs->bucket_stats = NULL;
- error = (msg->l2
- ? ofpraw_decode(&raw, msg->l2)
+ error = (msg->frame
+ ? ofpraw_decode(&raw, msg->frame)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
}
ogs11 = NULL;
}
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
if (!ogs11) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %zu leftover bytes at end",
- ofpraw_get_name(raw), msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %"PRIu32" leftover bytes at end",
+ ofpraw_get_name(raw), ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
length = ntohs(ogs11->length);
if (length < sizeof base_len) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply claims invalid length %zu",
+ VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply claims invalid length %"PRIuSIZE,
ofpraw_get_name(raw), length);
return OFPERR_OFPBRC_BAD_LEN;
}
gs->n_buckets = (length - base_len) / sizeof *obc;
obc = ofpbuf_try_pull(msg, gs->n_buckets * sizeof *obc);
if (!obc) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %zu leftover bytes at end",
- ofpraw_get_name(raw), msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %"PRIu32" leftover bytes at end",
+ ofpraw_get_name(raw), ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
struct list *replies)
{
struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
+ enum ofp_version version = ofpmp_version(replies);
struct ofp11_group_desc_stats *ogds;
struct ofputil_bucket *bucket;
size_t start_ogds;
- enum ofp_version version = ((struct ofp_header *)reply->data)->version;
- start_ogds = reply->size;
+ start_ogds = ofpbuf_size(reply);
ofpbuf_put_zeros(reply, sizeof *ogds);
LIST_FOR_EACH (bucket, list_node, buckets) {
struct ofp11_bucket *ob;
size_t start_ob;
- start_ob = reply->size;
+ start_ob = ofpbuf_size(reply);
ofpbuf_put_zeros(reply, sizeof *ob);
ofpacts_put_openflow_actions(bucket->ofpacts, bucket->ofpacts_len,
reply, version);
ob = ofpbuf_at_assert(reply, start_ob, sizeof *ob);
- ob->len = htons(reply->size - start_ob);
+ ob->len = htons(ofpbuf_size(reply) - start_ob);
ob->weight = htons(bucket->weight);
ob->watch_port = ofputil_port_to_ofp11(bucket->watch_port);
ob->watch_group = htonl(bucket->watch_group);
}
ogds = ofpbuf_at_assert(reply, start_ogds, sizeof *ogds);
- ogds->length = htons(reply->size - start_ogds);
+ ogds->length = htons(ofpbuf_size(reply) - start_ogds);
ogds->type = gds->type;
ogds->group_id = htonl(gds->group_id);
? ofpbuf_try_pull(msg, sizeof *ob)
: NULL);
if (!ob) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "buckets end with %zu leftover bytes",
+ VLOG_WARN_RL(&bad_ofmsg_rl, "buckets end with %"PRIuSIZE" leftover bytes",
buckets_length);
+ return OFPERR_OFPGMFC_BAD_BUCKET;
}
ob_len = ntohs(ob->len);
if (ob_len < sizeof *ob) {
VLOG_WARN_RL(&bad_ofmsg_rl, "OpenFlow message bucket length "
- "%zu is not valid", ob_len);
+ "%"PRIuSIZE" is not valid", ob_len);
return OFPERR_OFPGMFC_BAD_BUCKET;
} else if (ob_len > buckets_length) {
VLOG_WARN_RL(&bad_ofmsg_rl, "OpenFlow message bucket length "
- "%zu exceeds remaining buckets data size %zu",
+ "%"PRIuSIZE" exceeds remaining buckets data size %"PRIuSIZE,
ob_len, buckets_length);
return OFPERR_OFPGMFC_BAD_BUCKET;
}
}
bucket->watch_group = ntohl(ob->watch_group);
bucket->ofpacts = ofpbuf_steal_data(&ofpacts);
- bucket->ofpacts_len = ofpacts.size;
+ bucket->ofpacts_len = ofpbuf_size(&ofpacts);
list_push_back(buckets, &bucket->list_node);
}
struct ofp11_group_desc_stats *ogds;
size_t length;
- if (!msg->l2) {
+ if (!msg->frame) {
ofpraw_pull_assert(msg);
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
}
ogds = ofpbuf_try_pull(msg, sizeof *ogds);
if (!ogds) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply has %zu "
- "leftover bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply has %"PRIu32" "
+ "leftover bytes at end", ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
gd->type = ogds->type;
gd->group_id = ntohl(ogds->group_id);
length = ntohs(ogds->length);
- if (length < sizeof *ogds || length - sizeof *ogds > msg->size) {
+ if (length < sizeof *ogds || length - sizeof *ogds > ofpbuf_size(msg)) {
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply claims invalid "
- "length %zu", length);
+ "length %"PRIuSIZE, length);
return OFPERR_OFPBRC_BAD_LEN;
}
case OFP11_VERSION:
case OFP12_VERSION:
- case OFP13_VERSION: {
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
b = ofpraw_alloc(OFPRAW_OFPT11_GROUP_MOD, ofp_version, 0);
- start_ogm = b->size;
- ofpbuf_put_uninit(b, sizeof *ogm);
+ start_ogm = ofpbuf_size(b);
+ ofpbuf_put_zeros(b, sizeof *ogm);
LIST_FOR_EACH (bucket, list_node, &gm->buckets) {
- start_bucket = b->size;
- ofpbuf_put_uninit(b, sizeof *ob);
+ start_bucket = ofpbuf_size(b);
+ ofpbuf_put_zeros(b, sizeof *ob);
if (bucket->ofpacts && bucket->ofpacts_len) {
ofpacts_put_openflow_actions(bucket->ofpacts,
bucket->ofpacts_len, b,
ofp_version);
}
ob = ofpbuf_at_assert(b, start_bucket, sizeof *ob);
- ob->len = htons(b->size - start_bucket);;
+ ob->len = htons(ofpbuf_size(b) - start_bucket);;
ob->weight = htons(bucket->weight);
ob->watch_port = ofputil_port_to_ofp11(bucket->watch_port);
ob->watch_group = htonl(bucket->watch_group);
ogm = ofpbuf_at_assert(b, start_ogm, sizeof *ogm);
ogm->command = htons(gm->command);
ogm->type = gm->type;
- ogm->pad = 0;
ogm->group_id = htonl(gm->group_id);
break;
- }
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return b;
{
const struct ofp11_group_mod *ogm;
struct ofpbuf msg;
+ struct ofputil_bucket *bucket;
+ enum ofperr err;
ofpbuf_use_const(&msg, oh, ntohs(oh->length));
ofpraw_pull_assert(&msg);
gm->type = ogm->type;
gm->group_id = ntohl(ogm->group_id);
- return ofputil_pull_buckets(&msg, msg.size, oh->version, &gm->buckets);
+ err = ofputil_pull_buckets(&msg, ofpbuf_size(&msg), oh->version, &gm->buckets);
+ if (err) {
+ return err;
+ }
+
+ switch (gm->type) {
+ case OFPGT11_INDIRECT:
+ if (!list_is_singleton(&gm->buckets)) {
+ return OFPERR_OFPGMFC_INVALID_GROUP;
+ }
+ break;
+ case OFPGT11_ALL:
+ case OFPGT11_SELECT:
+ case OFPGT11_FF:
+ break;
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ LIST_FOR_EACH (bucket, list_node, &gm->buckets) {
+ switch (gm->type) {
+ case OFPGT11_ALL:
+ case OFPGT11_INDIRECT:
+ if (ofputil_bucket_has_liveness(bucket)) {
+ return OFPERR_OFPGMFC_WATCH_UNSUPPORTED;
+ }
+ break;
+ case OFPGT11_SELECT:
+ break;
+ case OFPGT11_FF:
+ if (!ofputil_bucket_has_liveness(bucket)) {
+ return OFPERR_OFPGMFC_INVALID_GROUP;
+ }
+ break;
+ default:
+ OVS_NOT_REACHED();
+ }
+ }
+
+ return 0;
}
/* Parse a queue status request message into 'oqsr'.
struct ofputil_queue_stats_request *oqsr)
{
switch ((enum ofp_version)request->version) {
+ case OFP15_VERSION:
+ case OFP14_VERSION:
case OFP13_VERSION:
case OFP12_VERSION:
case OFP11_VERSION: {
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
switch (ofp_version) {
case OFP11_VERSION:
case OFP12_VERSION:
- case OFP13_VERSION: {
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
struct ofp11_queue_stats_request *req;
request = ofpraw_alloc(OFPRAW_OFPST11_QUEUE_REQUEST, ofp_version, 0);
req = ofpbuf_put_zeros(request, sizeof *req);
break;
}
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
return request;
}
-static size_t
-ofputil_get_queue_stats_size(enum ofp_version ofp_version)
-{
- switch (ofp_version) {
- case OFP10_VERSION:
- return sizeof(struct ofp10_queue_stats);
- case OFP11_VERSION:
- case OFP12_VERSION:
- return sizeof(struct ofp11_queue_stats);
- case OFP13_VERSION:
- return sizeof(struct ofp13_queue_stats);
- default:
- NOT_REACHED();
- }
-}
-
/* Returns the number of queue stats elements in OFPTYPE_QUEUE_STATS_REPLY
* message 'oh'. */
size_t
ofputil_count_queue_stats(const struct ofp_header *oh)
{
+ struct ofputil_queue_stats qs;
struct ofpbuf b;
+ size_t n = 0;
ofpbuf_use_const(&b, oh, ntohs(oh->length));
ofpraw_pull_assert(&b);
-
- return b.size / ofputil_get_queue_stats_size(oh->version);
+ while (!ofputil_decode_queue_stats(&qs, &b)) {
+ n++;
+ }
+ return n;
}
static enum ofperr
return error;
}
+static enum ofperr
+ofputil_pull_ofp14_queue_stats(struct ofputil_queue_stats *oqs,
+ struct ofpbuf *msg)
+{
+ const struct ofp14_queue_stats *qs14;
+ size_t len;
+
+ qs14 = ofpbuf_try_pull(msg, sizeof *qs14);
+ if (!qs14) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ len = ntohs(qs14->length);
+ if (len < sizeof *qs14 || len - sizeof *qs14 > ofpbuf_size(msg)) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ ofpbuf_pull(msg, len - sizeof *qs14);
+
+ /* No properties yet defined, so ignore them for now. */
+
+ return ofputil_queue_stats_from_ofp13(oqs, &qs14->qs);
+}
+
/* Converts an OFPST_QUEUE_STATS reply in 'msg' into an abstract
* ofputil_queue_stats in 'qs'.
*
enum ofperr error;
enum ofpraw raw;
- error = (msg->l2
- ? ofpraw_decode(&raw, msg->l2)
+ error = (msg->frame
+ ? ofpraw_decode(&raw, msg->frame)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- if (!msg->size) {
+ if (!ofpbuf_size(msg)) {
return EOF;
+ } else if (raw == OFPRAW_OFPST14_QUEUE_REPLY) {
+ return ofputil_pull_ofp14_queue_stats(qs, msg);
} else if (raw == OFPRAW_OFPST13_QUEUE_REPLY) {
const struct ofp13_queue_stats *qs13;
}
return ofputil_queue_stats_from_ofp10(qs, qs10);
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
bad_len:
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %zu leftover "
- "bytes at end", msg->size);
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %"PRIu32" leftover "
+ "bytes at end", ofpbuf_size(msg));
return OFPERR_OFPBRC_BAD_LEN;
}
}
}
+static void
+ofputil_queue_stats_to_ofp14(const struct ofputil_queue_stats *oqs,
+ struct ofp14_queue_stats *qs14)
+{
+ qs14->length = htons(sizeof *qs14);
+ memset(qs14->pad, 0, sizeof qs14->pad);
+ ofputil_queue_stats_to_ofp13(oqs, &qs14->qs);
+}
+
+
/* Encode a queue stat for 'oqs' and append it to 'replies'. */
void
ofputil_append_queue_stat(struct list *replies,
const struct ofputil_queue_stats *oqs)
{
- struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
- struct ofp_header *oh = msg->data;
-
- switch ((enum ofp_version)oh->version) {
+ switch (ofpmp_version(replies)) {
case OFP13_VERSION: {
struct ofp13_queue_stats *reply = ofpmp_append(replies, sizeof *reply);
ofputil_queue_stats_to_ofp13(oqs, reply);
break;
}
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
+ struct ofp14_queue_stats *reply = ofpmp_append(replies, sizeof *reply);
+ ofputil_queue_stats_to_ofp14(oqs, reply);
+ break;
+ }
+
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
+ }
+}
+
+enum ofperr
+ofputil_decode_bundle_ctrl(const struct ofp_header *oh,
+ struct ofputil_bundle_ctrl_msg *msg)
+{
+ struct ofpbuf b;
+ enum ofpraw raw;
+ const struct ofp14_bundle_ctrl_msg *m;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+ ovs_assert(raw == OFPRAW_OFPT14_BUNDLE_CONTROL);
+
+ m = ofpbuf_l3(&b);
+ msg->bundle_id = ntohl(m->bundle_id);
+ msg->type = ntohs(m->type);
+ msg->flags = ntohs(m->flags);
+
+ return 0;
+}
+
+struct ofpbuf *
+ofputil_encode_bundle_ctrl_reply(const struct ofp_header *oh,
+ struct ofputil_bundle_ctrl_msg *msg)
+{
+ struct ofpbuf *buf;
+ struct ofp14_bundle_ctrl_msg *m;
+
+ buf = ofpraw_alloc_reply(OFPRAW_OFPT14_BUNDLE_CONTROL, oh, 0);
+ m = ofpbuf_put_zeros(buf, sizeof *m);
+
+ m->bundle_id = htonl(msg->bundle_id);
+ m->type = htons(msg->type);
+ m->flags = htons(msg->flags);
+
+ return buf;
+}
+
+enum ofperr
+ofputil_decode_bundle_add(const struct ofp_header *oh,
+ struct ofputil_bundle_add_msg *msg)
+{
+ const struct ofp14_bundle_ctrl_msg *m;
+ struct ofpbuf b;
+ enum ofpraw raw;
+ size_t inner_len;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+ ovs_assert(raw == OFPRAW_OFPT14_BUNDLE_ADD_MESSAGE);
+
+ m = ofpbuf_pull(&b, sizeof *m);
+ msg->bundle_id = ntohl(m->bundle_id);
+ msg->flags = ntohs(m->flags);
+
+ msg->msg = ofpbuf_data(&b);
+ inner_len = ntohs(msg->msg->length);
+ if (inner_len < sizeof(struct ofp_header) || inner_len > ofpbuf_size(&b)) {
+ return OFPERR_OFPBFC_MSG_BAD_LEN;
}
+
+ return 0;
+}
+
+struct ofpbuf *
+ofputil_encode_bundle_add(enum ofp_version ofp_version,
+ struct ofputil_bundle_add_msg *msg)
+{
+ struct ofpbuf *request;
+ struct ofp14_bundle_ctrl_msg *m;
+
+ request = ofpraw_alloc(OFPRAW_OFPT14_BUNDLE_ADD_MESSAGE, ofp_version, 0);
+ m = ofpbuf_put_zeros(request, sizeof *m);
+
+ m->bundle_id = htonl(msg->bundle_id);
+ m->flags = htons(msg->flags);
+ ofpbuf_put(request, msg->msg, ntohs(msg->msg->length));
+
+ return request;
}
projects / cascardo / ovs.git / blobdiff