/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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 "multipath.h"
#include "netdev.h"
#include "nx-match.h"
+#include "id-pool.h"
#include "ofp-actions.h"
#include "ofp-errors.h"
#include "ofp-msgs.h"
#include "ofp-util.h"
#include "ofpbuf.h"
+#include "openflow/netronome-ext.h"
#include "packets.h"
#include "random.h"
+#include "tun-metadata.h"
#include "unaligned.h"
#include "type-props.h"
-#include "vlog.h"
+#include "openvswitch/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_eviction ofputil_decode_table_eviction(
+ ovs_be32 config, enum ofp_version);
+static ovs_be32 ofputil_encode_table_config(enum ofputil_table_miss,
+ enum ofputil_table_eviction,
+ enum ofp_version);
+
struct ofp_prop_header {
ovs_be16 type;
ovs_be16 len;
};
+struct ofp_prop_experimenter {
+ ovs_be16 type; /* OFP*_EXPERIMENTER. */
+ ovs_be16 length; /* Length in bytes of this property. */
+ ovs_be32 experimenter; /* Experimenter ID which takes the same form as
+ * in struct ofp_experimenter_header. */
+ ovs_be32 exp_type; /* Experimenter defined. */
+};
+
/* 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. */
+ * 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,
- uint16_t *typep)
+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) {
+ if (msg->size < sizeof *oph) {
return OFPERR_OFPBPC_BAD_LEN;
}
- oph = ofpbuf_data(msg);
+ oph = msg->data;
len = ntohs(oph->len);
- if (len < sizeof *oph || ROUND_UP(len, 8) > ofpbuf_size(msg)) {
+ padded_len = ROUND_UP(len, alignment);
+ if (len < sizeof *oph || padded_len > msg->size) {
return OFPERR_OFPBPC_BAD_LEN;
}
*typep = ntohs(oph->type);
if (property) {
- ofpbuf_use_const(property, ofpbuf_data(msg), len);
+ ofpbuf_use_const(property, msg->data, len);
}
- ofpbuf_pull(msg, ROUND_UP(len, 8));
+ ofpbuf_pull(msg, padded_len);
return 0;
}
-static void PRINTF_FORMAT(2, 3)
+/* 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 OVS_PRINTF_FORMAT(2, 3)
log_property(bool loose, const char *message, ...)
{
enum vlog_level level = loose ? VLL_DBG : VLL_WARN;
}
}
+static size_t
+start_property(struct ofpbuf *msg, uint16_t type)
+{
+ size_t start_ofs = msg->size;
+ 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(msg->size - start_ofs);
+ ofpbuf_padto(msg, ROUND_UP(msg->size, 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 == 27);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 34);
/* Initialize most of wc. */
flow_wildcards_init_catchall(wc);
}
if (!(ofpfw & OFPFW10_DL_SRC)) {
- memset(wc->masks.dl_src, 0xff, ETH_ADDR_LEN);
+ WC_MASK_FIELD(wc, dl_src);
}
if (!(ofpfw & OFPFW10_DL_DST)) {
- memset(wc->masks.dl_dst, 0xff, ETH_ADDR_LEN);
+ WC_MASK_FIELD(wc, dl_dst);
}
if (!(ofpfw & OFPFW10_DL_TYPE)) {
wc->masks.dl_type = OVS_BE16_MAX;
match->flow.dl_type = ofputil_dl_type_from_openflow(ofmatch->dl_type);
match->flow.tp_src = ofmatch->tp_src;
match->flow.tp_dst = ofmatch->tp_dst;
- memcpy(match->flow.dl_src, ofmatch->dl_src, ETH_ADDR_LEN);
- memcpy(match->flow.dl_dst, ofmatch->dl_dst, ETH_ADDR_LEN);
+ match->flow.dl_src = ofmatch->dl_src;
+ match->flow.dl_dst = ofmatch->dl_dst;
match->flow.nw_tos = ofmatch->nw_tos & IP_DSCP_MASK;
match->flow.nw_proto = ofmatch->nw_proto;
} else if (match->wc.masks.vlan_tci & htons(VLAN_CFI)
&& !(match->flow.vlan_tci & htons(VLAN_CFI))) {
ofmatch->dl_vlan = htons(OFP10_VLAN_NONE);
- ofpfw |= OFPFW10_DL_VLAN_PCP;
} else {
if (!(match->wc.masks.vlan_tci & htons(VLAN_VID_MASK))) {
ofpfw |= OFPFW10_DL_VLAN;
/* Compose most of the match structure. */
ofmatch->wildcards = htonl(ofpfw);
ofmatch->in_port = htons(ofp_to_u16(match->flow.in_port.ofp_port));
- memcpy(ofmatch->dl_src, match->flow.dl_src, ETH_ADDR_LEN);
- memcpy(ofmatch->dl_dst, match->flow.dl_dst, ETH_ADDR_LEN);
+ ofmatch->dl_src = match->flow.dl_src;
+ ofmatch->dl_dst = match->flow.dl_dst;
ofmatch->dl_type = ofputil_dl_type_to_openflow(match->flow.dl_type);
ofmatch->nw_src = match->flow.nw_src;
ofmatch->nw_dst = match->flow.nw_dst;
ofputil_pull_ofp11_match(struct ofpbuf *buf, struct match *match,
uint16_t *padded_match_len)
{
- struct ofp11_match_header *omh = ofpbuf_data(buf);
+ struct ofp11_match_header *omh = buf->data;
uint16_t match_len;
- if (ofpbuf_size(buf) < sizeof *omh) {
+ if (buf->size < sizeof *omh) {
return OFPERR_OFPBMC_BAD_LEN;
}
case OFPMT_STANDARD: {
struct ofp11_match *om;
- if (match_len != sizeof *om || ofpbuf_size(buf) < sizeof *om) {
+ if (match_len != sizeof *om || buf->size < sizeof *om) {
return OFPERR_OFPBMC_BAD_LEN;
}
om = ofpbuf_pull(buf, sizeof *om);
struct match *match)
{
uint16_t wc = ntohl(ofmatch->wildcards);
- uint8_t dl_src_mask[ETH_ADDR_LEN];
- uint8_t dl_dst_mask[ETH_ADDR_LEN];
bool ipv4, arp, rarp;
- int i;
match_init_catchall(match);
match_set_in_port(match, ofp_port);
}
- for (i = 0; i < ETH_ADDR_LEN; i++) {
- dl_src_mask[i] = ~ofmatch->dl_src_mask[i];
- }
- match_set_dl_src_masked(match, ofmatch->dl_src, dl_src_mask);
-
- for (i = 0; i < ETH_ADDR_LEN; i++) {
- dl_dst_mask[i] = ~ofmatch->dl_dst_mask[i];
- }
- match_set_dl_dst_masked(match, ofmatch->dl_dst, dl_dst_mask);
+ match_set_dl_src_masked(match, ofmatch->dl_src,
+ eth_addr_invert(ofmatch->dl_src_mask));
+ match_set_dl_dst_masked(match, ofmatch->dl_dst,
+ eth_addr_invert(ofmatch->dl_dst_mask));
if (!(wc & OFPFW11_DL_VLAN)) {
if (ofmatch->dl_vlan == htons(OFPVID11_NONE)) {
struct ofp11_match *ofmatch)
{
uint32_t wc = 0;
- int i;
memset(ofmatch, 0, sizeof *ofmatch);
ofmatch->omh.type = htons(OFPMT_STANDARD);
ofmatch->in_port = ofputil_port_to_ofp11(match->flow.in_port.ofp_port);
}
- memcpy(ofmatch->dl_src, match->flow.dl_src, ETH_ADDR_LEN);
- for (i = 0; i < ETH_ADDR_LEN; i++) {
- ofmatch->dl_src_mask[i] = ~match->wc.masks.dl_src[i];
- }
-
- memcpy(ofmatch->dl_dst, match->flow.dl_dst, ETH_ADDR_LEN);
- for (i = 0; i < ETH_ADDR_LEN; i++) {
- ofmatch->dl_dst_mask[i] = ~match->wc.masks.dl_dst[i];
- }
+ ofmatch->dl_src = match->flow.dl_src;
+ ofmatch->dl_src_mask = eth_addr_invert(match->wc.masks.dl_src);
+ ofmatch->dl_dst = match->flow.dl_dst;
+ ofmatch->dl_dst_mask = eth_addr_invert(match->wc.masks.dl_dst);
if (match->wc.masks.vlan_tci == htons(0)) {
wc |= OFPFW11_DL_VLAN | OFPFW11_DL_VLAN_PCP;
/* Only use the first 32-bit element of the bitmap as that is all the
* current implementation supports. Subsequent elements are ignored which
- * should have no effect on session negotiation until Open vSwtich supports
+ * should have no effect on session negotiation until Open vSwitch supports
* wire-protocol versions greater than 31.
*/
allowed_versions = ntohl(bitmap[0]);
ofpbuf_pull(&msg, sizeof *oh);
*allowed_versions = version_bitmap_from_version(oh->version);
- while (ofpbuf_size(&msg)) {
+ while (msg.size) {
const struct ofp_hello_elem_header *oheh;
unsigned int len;
- if (ofpbuf_size(&msg) < sizeof *oheh) {
+ if (msg.size < sizeof *oheh) {
return false;
}
- oheh = ofpbuf_data(&msg);
+ oheh = msg.data;
len = ntohs(oheh->length);
if (len < sizeof *oheh || !ofpbuf_try_pull(&msg, ROUND_UP(len, 8))) {
return false;
return error;
}
- error = ofpacts_pull_openflow_instructions(&b, ofpbuf_size(&b), oh->version,
- ofpacts);
- if (error) {
- return error;
- }
-
/* Translate the message. */
fm->priority = ntohs(ofm->priority);
if (ofm->command == OFPFC_ADD
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) {
ofputil_match_from_ofp10_match(&ofm->match, &fm->match);
ofputil_normalize_match(&fm->match);
- /* Now get the actions. */
- error = ofpacts_pull_openflow_actions(&b, ofpbuf_size(&b), 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, ofpbuf_size(&b), 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;
fm->command = command & 0xff;
fm->table_id = command >> 8;
} else {
+ if (command > 0xff) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "flow_mod has explicit table_id "
+ "but flow_mod_table_id extension is not enabled");
+ }
fm->command = command;
fm->table_id = 0xff;
}
}
- fm->ofpacts = ofpbuf_data(ofpacts);
- fm->ofpacts_len = ofpbuf_size(ofpacts);
+ if (fm->command > OFPFC_DELETE_STRICT) {
+ return OFPERR_OFPFMFC_BAD_COMMAND;
+ }
+
+ error = ofpacts_pull_openflow_instructions(&b, b.size,
+ oh->version, ofpacts);
+ if (error) {
+ return error;
+ }
+ fm->ofpacts = ofpacts->data;
+ fm->ofpacts_len = ofpacts->size;
error = ofputil_decode_flow_mod_flags(raw_flags, fm->command,
oh->version, &fm->flags);
mm->meter.flags & OFPMF13_PKTPS) {
return OFPERR_OFPMMFC_BAD_FLAGS;
}
- mm->meter.bands = ofpbuf_data(bands);
+ mm->meter.bands = bands->data;
- error = ofputil_pull_bands(&b, ofpbuf_size(&b), &mm->meter.n_bands, bands);
+ error = ofputil_pull_bands(&b, b.size, &mm->meter.n_bands, bands);
if (error) {
return error;
}
/* Encode a meter stat for 'mc' and append it to 'replies'. */
void
-ofputil_append_meter_config(struct list *replies,
+ofputil_append_meter_config(struct ovs_list *replies,
const struct ofputil_meter_config *mc)
{
struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
- size_t start_ofs = ofpbuf_size(msg);
+ size_t start_ofs = msg->size;
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(ofpbuf_size(msg) - start_ofs);
+ reply->length = htons(msg->size - start_ofs);
ofpmp_postappend(replies, start_ofs);
}
/* Encode a meter stat for 'ms' and append it to 'replies'. */
void
-ofputil_append_meter_stats(struct list *replies,
+ofputil_append_meter_stats(struct ovs_list *replies,
const struct ofputil_meter_stats *ms)
{
struct ofp13_meter_stats *reply;
enum ofperr err;
/* Pull OpenFlow headers for the first call. */
- if (!msg->frame) {
+ if (!msg->header) {
ofpraw_pull_assert(msg);
}
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
}
if (!omc) {
VLOG_WARN_RL(&bad_ofmsg_rl,
"OFPMP_METER_CONFIG reply has %"PRIu32" leftover bytes at end",
- ofpbuf_size(msg));
+ msg->size);
return OFPERR_OFPBRC_BAD_LEN;
}
}
mc->meter_id = ntohl(omc->meter_id);
mc->flags = ntohs(omc->flags);
- mc->bands = ofpbuf_data(bands);
+ mc->bands = bands->data;
return 0;
}
enum ofperr err;
/* Pull OpenFlow headers for the first call. */
- if (!msg->frame) {
+ if (!msg->header) {
ofpraw_pull_assert(msg);
}
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
}
if (!oms) {
VLOG_WARN_RL(&bad_ofmsg_rl,
"OFPMP_METER reply has %"PRIu32" leftover bytes at end",
- ofpbuf_size(msg));
+ msg->size);
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 = ofpbuf_data(bands);
+ ms->bands = bands->data;
return 0;
}
|| 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 != OFPTT_ALL
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 = ofpbuf_l3(msg);
+ nfm = msg->msg;
nfm->idle_timeout = htons(fm->idle_timeout);
nfm->hard_timeout = htons(fm->hard_timeout);
nfm->priority = htons(fm->priority);
if (error) {
return error;
}
- if (ofpbuf_size(b)) {
+ if (b->size) {
return OFPERR_OFPBRC_BAD_LEN;
}
switch ((int) raw) {
case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST:
- qgcr10 = ofpbuf_data(&b);
+ qgcr10 = b.data;
*port = u16_to_ofp(ntohs(qgcr10->port));
return 0;
case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST:
- qgcr11 = ofpbuf_data(&b);
+ qgcr11 = b.data;
return ofputil_port_from_ofp11(qgcr11->port, port);
}
ofputil_append_queue_get_config_reply(struct ofpbuf *reply,
const struct ofputil_queue_config *oqc)
{
- const struct ofp_header *oh = ofpbuf_data(reply);
+ const struct ofp_header *oh = reply->data;
size_t start_ofs, len_ofs;
ovs_be16 *len;
- start_ofs = ofpbuf_size(reply);
+ start_ofs = reply->size;
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 *) ofpbuf_data(reply);
+ len_ofs = (char *) &opq10->len - (char *) reply->data;
} else {
struct ofp11_queue_get_config_reply *qgcr11;
struct ofp12_packet_queue *opq12;
ovs_be32 port;
- qgcr11 = ofpbuf_l3(reply);
+ qgcr11 = reply->msg;
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 *) ofpbuf_data(reply);
+ len_ofs = (char *) &opq12->len - (char *) reply->data;
}
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(ofpbuf_size(reply) - start_ofs);
+ *len = htons(reply->size - start_ofs);
}
/* Decodes the initial part of an OFPT_QUEUE_GET_CONFIG_REPLY from 'reply' and
unsigned int opq_len;
unsigned int len;
- if (!ofpbuf_size(reply)) {
+ if (!reply->size) {
return EOF;
}
queue->min_rate = UINT16_MAX;
queue->max_rate = UINT16_MAX;
- oh = reply->frame;
+ oh = reply->header;
if (oh->version < OFP12_VERSION) {
const struct ofp10_packet_queue *opq10;
opq_len = sizeof *opq12;
}
- if (len < opq_len || len > ofpbuf_size(reply) + opq_len || len % 8) {
+ if (len < opq_len || len > reply->size + 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 > ofpbuf_size(reply) || prop_len % 8) {
+ if (prop_len < sizeof *hdr || prop_len > reply->size || 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, ofpbuf_data(&b), false);
+ return ofputil_decode_ofpst10_flow_request(fsr, b.data, false);
case OFPRAW_OFPST10_AGGREGATE_REQUEST:
- return ofputil_decode_ofpst10_flow_request(fsr, ofpbuf_data(&b), true);
+ return ofputil_decode_ofpst10_flow_request(fsr, b.data, true);
case OFPRAW_OFPST11_FLOW_REQUEST:
return ofputil_decode_ofpst11_flow_request(fsr, &b, false);
match_len = nx_put_match(msg, &fsr->match,
fsr->cookie, fsr->cookie_mask);
- nfsr = ofpbuf_l3(msg);
+ nfsr = msg->msg;
nfsr->out_port = htons(ofp_to_u16(fsr->out_port));
nfsr->match_len = htons(match_len);
nfsr->table_id = fsr->table_id;
struct ofpbuf *ofpacts)
{
const struct ofp_header *oh;
+ size_t instructions_len;
enum ofperr error;
enum ofpraw raw;
- error = (msg->frame
- ? ofpraw_decode(&raw, msg->frame)
+ error = (msg->header ? ofpraw_decode(&raw, msg->header)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- oh = msg->frame;
+ oh = msg->header;
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
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 %"PRIu32" leftover "
- "bytes at end", ofpbuf_size(msg));
+ "bytes at end", msg->size);
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 %"PRIu32" leftover "
- "bytes at end", ofpbuf_size(msg));
+ "bytes at end", msg->size);
return EINVAL;
}
"length %"PRIuSIZE, length);
return EINVAL;
}
-
- if (ofpacts_pull_openflow_actions(msg, length - sizeof *ofs,
- oh->version, ofpacts)) {
- 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 %"PRIu32" leftover "
- "bytes at end", ofpbuf_size(msg));
+ "bytes at end", msg->size);
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) {
OVS_NOT_REACHED();
}
- fs->ofpacts = ofpbuf_data(ofpacts);
- fs->ofpacts_len = ofpbuf_size(ofpacts);
+ 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 = ofpacts->data;
+ fs->ofpacts_len = ofpacts->size;
return 0;
}
* have been initialized with ofpmp_init(). */
void
ofputil_append_flow_stats_reply(const struct ofputil_flow_stats *fs,
- struct list *replies)
+ struct ovs_list *replies)
{
struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
- size_t start_ofs = ofpbuf_size(reply);
+ size_t start_ofs = reply->size;
enum ofp_version version = ofpmp_version(replies);
enum ofpraw raw = ofpmp_decode_raw(replies);
version);
ofs = ofpbuf_at_assert(reply, start_ofs, sizeof *ofs);
- ofs->length = htons(ofpbuf_size(reply) - start_ofs);
+ ofs->length = htons(reply->size - 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(ofpbuf_size(reply) - start_ofs);
+ ofs->length = htons(reply->size - 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(ofpbuf_size(reply) - start_ofs);
+ nfs->length = htons(reply->size - start_ofs);
nfs->table_id = fs->table_id;
nfs->pad = 0;
nfs->duration_sec = htonl(fs->duration_sec);
ofpbuf_use_const(&msg, reply, ntohs(reply->length));
ofpraw_pull_assert(&msg);
- asr = ofpbuf_l3(&msg);
+ asr = msg.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 (ofpbuf_size(&b)) {
+ if (b.size) {
return OFPERR_OFPBRC_BAD_LEN;
}
ofpbuf_put_zeros(msg, sizeof *nfr);
match_len = nx_put_match(msg, &fr->match, 0, 0);
- nfr = ofpbuf_l3(msg);
+ nfr = msg->msg;
nfr->cookie = fr->cookie;
nfr->priority = htons(fr->priority);
nfr->reason = reason;
return msg;
}
-static void
-ofputil_decode_packet_in_finish(struct ofputil_packet_in *pin,
- struct match *match, struct ofpbuf *b)
-{
- 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;
- pin->fmd.tun_src = match->flow.tunnel.ip_src;
- pin->fmd.tun_dst = match->flow.tunnel.ip_dst;
- pin->fmd.metadata = match->flow.metadata;
- memcpy(pin->fmd.regs, match->flow.regs, sizeof pin->fmd.regs);
- pin->fmd.pkt_mark = match->flow.pkt_mark;
-}
-
enum ofperr
ofputil_decode_packet_in(struct ofputil_packet_in *pin,
const struct ofp_header *oh)
raw = ofpraw_pull_assert(&b);
if (raw == OFPRAW_OFPT13_PACKET_IN || raw == OFPRAW_OFPT12_PACKET_IN) {
const struct ofp13_packet_in *opi;
- struct match match;
int error;
size_t packet_in_size;
}
opi = ofpbuf_pull(&b, packet_in_size);
- error = oxm_pull_match_loose(&b, &match);
+ error = oxm_pull_match_loose(&b, &pin->flow_metadata);
if (error) {
return error;
}
pin->cookie = opi->cookie;
}
- ofputil_decode_packet_in_finish(pin, &match, &b);
+ pin->packet = b.data;
+ pin->packet_len = b.size;
} else if (raw == OFPRAW_OFPT10_PACKET_IN) {
const struct ofp10_packet_in *opi;
opi = ofpbuf_pull(&b, offsetof(struct ofp10_packet_in, data));
pin->packet = opi->data;
- pin->packet_len = ofpbuf_size(&b);
+ pin->packet_len = b.size;
- pin->fmd.in_port = u16_to_ofp(ntohs(opi->in_port));
+ match_init_catchall(&pin->flow_metadata);
+ match_set_in_port(&pin->flow_metadata, 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;
+ ofp_port_t in_port;
enum ofperr error;
opi = ofpbuf_pull(&b, sizeof *opi);
- pin->packet = ofpbuf_data(&b);
- pin->packet_len = ofpbuf_size(&b);
+ pin->packet = b.data;
+ pin->packet_len = b.size;
pin->buffer_id = ntohl(opi->buffer_id);
- error = ofputil_port_from_ofp11(opi->in_port, &pin->fmd.in_port);
+ error = ofputil_port_from_ofp11(opi->in_port, &in_port);
if (error) {
return error;
}
+ match_init_catchall(&pin->flow_metadata);
+ match_set_in_port(&pin->flow_metadata, in_port);
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;
int error;
npi = ofpbuf_pull(&b, sizeof *npi);
- error = nx_pull_match_loose(&b, ntohs(npi->match_len), &match, NULL,
- NULL);
+ error = nx_pull_match_loose(&b, ntohs(npi->match_len),
+ &pin->flow_metadata, NULL, NULL);
if (error) {
return error;
}
pin->buffer_id = ntohl(npi->buffer_id);
pin->total_len = ntohs(npi->total_len);
- ofputil_decode_packet_in_finish(pin, &match, &b);
+ pin->packet = b.data;
+ pin->packet_len = b.size;
} else {
OVS_NOT_REACHED();
}
return 0;
}
-static void
-ofputil_packet_in_to_match(const struct ofputil_packet_in *pin,
- struct match *match)
-{
- int i;
-
- match_init_catchall(match);
- if (pin->fmd.tun_id != htonll(0)) {
- match_set_tun_id(match, pin->fmd.tun_id);
- }
- if (pin->fmd.tun_src != htonl(0)) {
- match_set_tun_src(match, pin->fmd.tun_src);
- }
- if (pin->fmd.tun_dst != htonl(0)) {
- match_set_tun_dst(match, pin->fmd.tun_dst);
- }
- if (pin->fmd.metadata != htonll(0)) {
- match_set_metadata(match, pin->fmd.metadata);
- }
-
- for (i = 0; i < FLOW_N_REGS; i++) {
- if (pin->fmd.regs[i]) {
- match_set_reg(match, i, pin->fmd.regs[i]);
- }
- }
-
- if (pin->fmd.pkt_mark != 0) {
- match_set_pkt_mark(match, pin->fmd.pkt_mark);
- }
-
- match_set_in_port(match, pin->fmd.in_port);
-}
-
static struct ofpbuf *
ofputil_encode_ofp10_packet_in(const struct ofputil_packet_in *pin)
{
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->in_port = htons(ofp_to_u16(pin->flow_metadata.flow.in_port.ofp_port));
opi->reason = pin->reason;
opi->buffer_id = htonl(pin->buffer_id);
{
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));
+ htonl(0), NXM_TYPICAL_LEN + 2 + pin->packet_len);
ofpbuf_put_zeros(packet, sizeof *npi);
- match_len = nx_put_match(packet, &match, 0, 0);
+ match_len = nx_put_match(packet, &pin->flow_metadata, 0, 0);
ofpbuf_put_zeros(packet, 2);
ofpbuf_put(packet, pin->packet, pin->packet_len);
- npi = ofpbuf_l3(packet);
+ npi = packet->msg;
npi->buffer_id = htonl(pin->buffer_id);
npi->total_len = htons(pin->total_len);
npi->reason = pin->reason;
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_port = ofputil_port_to_ofp11(pin->flow_metadata.flow.in_port.ofp_port);
opi->in_phy_port = opi->in_port;
opi->total_len = htons(pin->total_len);
opi->reason = pin->reason;
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;
packet_in_size = sizeof (struct ofp12_packet_in);
} else {
packet_in_raw = OFPRAW_OFPT13_PACKET_IN;
- packet_in_version = OFP13_VERSION;
+ packet_in_version = ofputil_protocol_to_ofp_version(protocol);
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));
+ htonl(0), NXM_TYPICAL_LEN + 2 + pin->packet_len);
ofpbuf_put_zeros(packet, packet_in_size);
- oxm_put_match(packet, &match, ofputil_protocol_to_ofp_version(protocol));
+ oxm_put_match(packet, &pin->flow_metadata,
+ ofputil_protocol_to_ofp_version(protocol));
ofpbuf_put_zeros(packet, 2);
ofpbuf_put(packet, pin->packet, pin->packet_len);
- opi = ofpbuf_l3(packet);
+ opi = packet->msg;
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) {
+ if (protocol != OFPUTIL_P_OF12_OXM) {
opi->cookie = pin->cookie;
}
return "action";
case OFPR_INVALID_TTL:
return "invalid_ttl";
+ case OFPR_ACTION_SET:
+ return "action_set";
+ case OFPR_GROUP:
+ return "group";
+ case OFPR_PACKET_OUT:
+ return "packet_out";
case OFPR_N_REASONS:
default:
return OFPERR_OFPBRC_BAD_PORT;
}
- po->ofpacts = ofpbuf_data(ofpacts);
- po->ofpacts_len = ofpbuf_size(ofpacts);
+ po->ofpacts = ofpacts->data;
+ po->ofpacts_len = ofpacts->size;
if (po->buffer_id == UINT32_MAX) {
- po->packet = ofpbuf_data(&b);
- po->packet_len = ofpbuf_size(&b);
+ po->packet = b.data;
+ po->packet_len = b.size;
} else {
po->packet = NULL;
po->packet_len = 0;
const struct ofp10_phy_port *opp)
{
pp->port_no = u16_to_ofp(ntohs(opp->port_no));
- memcpy(pp->hw_addr, opp->hw_addr, OFP_ETH_ALEN);
+ pp->hw_addr = opp->hw_addr;
ovs_strlcpy(pp->name, opp->name, OFP_MAX_PORT_NAME_LEN);
pp->config = ntohl(opp->config) & OFPPC10_ALL;
if (error) {
return error;
}
- memcpy(pp->hw_addr, op->hw_addr, OFP_ETH_ALEN);
+ pp->hw_addr = op->hw_addr;
ovs_strlcpy(pp->name, op->name, OFP_MAX_PORT_NAME_LEN);
pp->config = ntohl(op->config) & OFPPC11_ALL;
parse_ofp14_port_ethernet_property(const struct ofpbuf *payload,
struct ofputil_phy_port *pp)
{
- struct ofp14_port_desc_prop_ethernet *eth = ofpbuf_data(payload);
+ struct ofp14_port_desc_prop_ethernet *eth = payload->data;
- if (ofpbuf_size(payload) != sizeof *eth) {
+ if (payload->size != sizeof *eth) {
return OFPERR_OFPBPC_BAD_LEN;
}
}
len = ntohs(op->length);
- if (len < sizeof *op || len - sizeof *op > ofpbuf_size(msg)) {
+ if (len < sizeof *op || len - sizeof *op > msg->size) {
return OFPERR_OFPBRC_BAD_LEN;
}
len -= sizeof *op;
if (error) {
return error;
}
- memcpy(pp->hw_addr, op->hw_addr, OFP_ETH_ALEN);
+ pp->hw_addr = op->hw_addr;
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) {
+ while (properties.size > 0) {
struct ofpbuf payload;
enum ofperr error;
uint16_t type;
memset(opp, 0, sizeof *opp);
opp->port_no = htons(ofp_to_u16(pp->port_no));
- memcpy(opp->hw_addr, pp->hw_addr, ETH_ADDR_LEN);
+ opp->hw_addr = pp->hw_addr;
ovs_strlcpy(opp->name, pp->name, OFP_MAX_PORT_NAME_LEN);
opp->config = htonl(pp->config & OFPPC10_ALL);
memset(op, 0, sizeof *op);
op->port_no = ofputil_port_to_ofp11(pp->port_no);
- memcpy(op->hw_addr, pp->hw_addr, ETH_ADDR_LEN);
+ op->hw_addr = pp->hw_addr;
ovs_strlcpy(op->name, pp->name, OFP_MAX_PORT_NAME_LEN);
op->config = htonl(pp->config & OFPPC11_ALL);
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);
+ op->hw_addr = pp->hw_addr;
ovs_strlcpy(op->name, pp->name, sizeof op->name);
op->config = htonl(pp->config & OFPPC11_ALL);
op->state = htonl(pp->state & OFPPS11_ALL);
ofp_port_t port)
{
struct ofpbuf *request;
- ovs_be32 ofp11_port;
switch (ofp_version) {
case OFP10_VERSION:
request = ofpraw_alloc(OFPRAW_OFPST10_PORT_DESC_REQUEST,
ofp_version, 0);
break;
-
- case OFP15_VERSION:
+ case OFP15_VERSION:{
+ struct ofp15_port_desc_request *req;
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);
+ req = ofpbuf_put_zeros(request, sizeof *req);
+ req->port_no = ofputil_port_to_ofp11(port);
break;
-
+ }
default:
OVS_NOT_REACHED();
}
void
ofputil_append_port_desc_stats_reply(const struct ofputil_phy_port *pp,
- struct list *replies)
+ struct ovs_list *replies)
{
struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
- size_t start_ofs = ofpbuf_size(reply);
+ size_t start_ofs = reply->size;
ofputil_put_phy_port(ofpmp_version(replies), pp, reply);
ofpmp_postappend(replies, start_ofs);
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)
{
- /* Handle capabilities whose bit is unique for all Open Flow versions */
+ /* Handle capabilities whose bit is unique for all OpenFlow versions */
switch (ofp_version) {
case OFP10_VERSION:
case OFP11_VERSION:
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;
}
bool
ofputil_switch_features_has_ports(struct ofpbuf *b)
{
- struct ofp_header *oh = ofpbuf_data(b);
+ struct ofp_header *oh = b->data;
size_t phy_port_size;
if (oh->version >= OFP13_VERSION) {
/* 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));
+ b->size = 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
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:
ofputil_put_switch_features_port(const struct ofputil_phy_port *pp,
struct ofpbuf *b)
{
- const struct ofp_header *oh = ofpbuf_data(b);
+ const struct ofp_header *oh = b->data;
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);
+ size_t start_ofs = b->size;
ofputil_put_phy_port(oh->version, pp, b);
- if (ofpbuf_size(b) > UINT16_MAX) {
- ofpbuf_set_size(b, start_ofs);
+ if (b->size > UINT16_MAX) {
+ b->size = start_ofs;
}
}
}
parse_port_mod_ethernet_property(struct ofpbuf *property,
struct ofputil_port_mod *pm)
{
- struct ofp14_port_mod_prop_ethernet *eth = ofpbuf_data(property);
+ struct ofp14_port_mod_prop_ethernet *eth = property->data;
- if (ofpbuf_size(property) != sizeof *eth) {
+ if (property->size != sizeof *eth) {
return OFPERR_OFPBRC_BAD_LEN;
}
raw = ofpraw_pull_assert(&b);
if (raw == OFPRAW_OFPT10_PORT_MOD) {
- const struct ofp10_port_mod *opm = ofpbuf_data(&b);
+ const struct ofp10_port_mod *opm = b.data;
pm->port_no = u16_to_ofp(ntohs(opm->port_no));
- memcpy(pm->hw_addr, opm->hw_addr, ETH_ADDR_LEN);
+ pm->hw_addr = opm->hw_addr;
pm->config = ntohl(opm->config) & OFPPC10_ALL;
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 = ofpbuf_data(&b);
+ const struct ofp11_port_mod *opm = b.data;
enum ofperr error;
error = ofputil_port_from_ofp11(opm->port_no, &pm->port_no);
return error;
}
- memcpy(pm->hw_addr, opm->hw_addr, ETH_ADDR_LEN);
+ pm->hw_addr = opm->hw_addr;
pm->config = ntohl(opm->config) & OFPPC11_ALL;
pm->mask = ntohl(opm->mask) & OFPPC11_ALL;
pm->advertise = netdev_port_features_from_ofp11(opm->advertise);
return error;
}
- memcpy(pm->hw_addr, opm->hw_addr, ETH_ADDR_LEN);
+ pm->hw_addr = opm->hw_addr;
pm->config = ntohl(opm->config) & OFPPC11_ALL;
pm->mask = ntohl(opm->mask) & OFPPC11_ALL;
- while (ofpbuf_size(&b) > 0) {
+ while (b.size > 0) {
struct ofpbuf property;
enum ofperr error;
uint16_t type;
b = ofpraw_alloc(OFPRAW_OFPT10_PORT_MOD, ofp_version, 0);
opm = ofpbuf_put_zeros(b, sizeof *opm);
opm->port_no = htons(ofp_to_u16(pm->port_no));
- memcpy(opm->hw_addr, pm->hw_addr, ETH_ADDR_LEN);
+ opm->hw_addr = pm->hw_addr;
opm->config = htonl(pm->config & OFPPC10_ALL);
opm->mask = htonl(pm->mask & OFPPC10_ALL);
opm->advertise = netdev_port_features_to_ofp10(pm->advertise);
b = ofpraw_alloc(OFPRAW_OFPT11_PORT_MOD, ofp_version, 0);
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->hw_addr = pm->hw_addr;
opm->config = htonl(pm->config & OFPPC11_ALL);
opm->mask = htonl(pm->mask & OFPPC11_ALL);
opm->advertise = netdev_port_features_to_ofp11(pm->advertise);
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->hw_addr = pm->hw_addr;
opm->config = htonl(pm->config & OFPPC11_ALL);
opm->mask = htonl(pm->mask & OFPPC11_ALL);
return b;
}
+\f
+/* Table features. */
static enum ofperr
pull_table_feature_property(struct ofpbuf *msg, struct ofpbuf *payload,
- uint16_t *typep)
+ uint16_t *typep)
{
enum ofperr error;
}
static enum ofperr
-parse_table_ids(struct ofpbuf *payload, uint32_t *ids)
+parse_action_bitmap(struct ofpbuf *payload, enum ofp_version ofp_version,
+ uint64_t *ofpacts)
{
- uint16_t type;
+ uint32_t types = 0;
- *ids = 0;
- while (ofpbuf_size(payload) > 0) {
- enum ofperr error = pull_table_feature_property(payload, NULL, &type);
+ while (payload->size > 0) {
+ uint16_t type;
+ enum ofperr error;
+
+ error = ofputil_pull_property__(payload, NULL, 1, &type);
if (error) {
return error;
}
- if (type < CHAR_BIT * sizeof *ids) {
- *ids |= 1u << type;
+ if (type < CHAR_BIT * sizeof types) {
+ types |= 1u << type;
}
}
+
+ *ofpacts = ofpact_bitmap_from_openflow(htonl(types), ofp_version);
return 0;
}
parse_instruction_ids(struct ofpbuf *payload, bool loose, uint32_t *insts)
{
*insts = 0;
- while (ofpbuf_size(payload) > 0) {
+ while (payload->size > 0) {
enum ovs_instruction_type inst;
enum ofperr error;
uint16_t ofpit;
- error = pull_table_feature_property(payload, NULL, &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;
}
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];
+ for (i = 0; i < payload->size; i++) {
+ uint8_t id = ((const uint8_t *) payload->data)[i];
if (id >= 255) {
return OFPERR_OFPBPC_BAD_VALUE;
}
return 0;
}
-static enum ofperr
-parse_oxm(struct ofpbuf *b, bool loose,
- const struct mf_field **fieldp, bool *hasmask)
-{
- ovs_be32 *oxmp;
- uint32_t oxm;
-
- oxmp = ofpbuf_try_pull(b, sizeof *oxmp);
- if (!oxmp) {
- return OFPERR_OFPBPC_BAD_LEN;
- }
- oxm = ntohl(*oxmp);
-
- /* Determine '*hasmask'. If 'oxm' is masked, convert it to the equivalent
- * unmasked version, because the table of OXM fields we support only has
- * masked versions of fields that we support with masks, but we should be
- * able to parse the masked versions of those here. */
- *hasmask = NXM_HASMASK(oxm);
- if (*hasmask) {
- if (NXM_LENGTH(oxm) & 1) {
- return OFPERR_OFPBPC_BAD_VALUE;
- }
- oxm = NXM_HEADER(NXM_VENDOR(oxm), NXM_FIELD(oxm), NXM_LENGTH(oxm) / 2);
- }
-
- *fieldp = mf_from_nxm_header(oxm);
- if (!*fieldp) {
- log_property(loose, "unknown OXM field %#"PRIx32, ntohl(*oxmp));
- }
- return *fieldp ? 0 : OFPERR_OFPBMC_BAD_FIELD;
-}
-
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) {
+ while (payload->size > 0) {
const struct mf_field *field;
enum ofperr error;
bool hasmask;
- error = parse_oxm(payload, loose, &field, &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) {
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;
- if (!msg->frame) {
+ memset(tf, 0, sizeof *tf);
+
+ if (!msg->header) {
ofpraw_pull_assert(msg);
}
+ oh = msg->header;
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
}
- if (ofpbuf_size(msg) < sizeof *otf) {
+ if (msg->size < sizeof *otf) {
return OFPERR_OFPBPC_BAD_LEN;
}
- otf = ofpbuf_data(msg);
+ otf = msg->data;
len = ntohs(otf->length);
- if (len < sizeof *otf || len % 8 || len > ofpbuf_size(msg)) {
+ if (len < sizeof *otf || len % 8 || len > msg->size) {
return OFPERR_OFPBPC_BAD_LEN;
}
- ofpbuf_pull(msg, sizeof *otf);
+ 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) {
ovs_strlcpy(tf->name, otf->name, OFP_MAX_TABLE_NAME_LEN);
tf->metadata_match = otf->metadata_match;
tf->metadata_write = otf->metadata_write;
- tf->config = ntohl(otf->config);
+ tf->miss_config = OFPUTIL_TABLE_MISS_DEFAULT;
+ if (oh->version >= OFP14_VERSION) {
+ uint32_t caps = ntohl(otf->capabilities);
+ tf->supports_eviction = (caps & OFPTC14_EVICTION) != 0;
+ tf->supports_vacancy_events = (caps & OFPTC14_VACANCY_EVENTS) != 0;
+ } else {
+ tf->supports_eviction = -1;
+ tf->supports_vacancy_events = -1;
+ }
tf->max_entries = ntohl(otf->max_entries);
- while (ofpbuf_size(msg) > 0) {
+ while (properties.size > 0) {
struct ofpbuf payload;
enum ofperr error;
uint16_t type;
- error = pull_table_feature_property(msg, &payload, &type);
+ error = pull_table_feature_property(&properties, &payload, &type);
if (error) {
return error;
}
break;
case OFPTFPT13_WRITE_ACTIONS:
- error = parse_table_ids(&payload, &tf->nonmiss.write.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->nonmiss.write.ofpacts);
break;
case OFPTFPT13_WRITE_ACTIONS_MISS:
- error = parse_table_ids(&payload, &tf->miss.write.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->miss.write.ofpacts);
break;
case OFPTFPT13_APPLY_ACTIONS:
- error = parse_table_ids(&payload, &tf->nonmiss.apply.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->nonmiss.apply.ofpacts);
break;
case OFPTFPT13_APPLY_ACTIONS_MISS:
- error = parse_table_ids(&payload, &tf->miss.apply.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->miss.apply.ofpacts);
break;
case OFPTFPT13_MATCH:
/* Fix inconsistencies:
*
- * - Turn off 'mask' and 'wildcard' bits that are not in 'match',
- * because a field must be matchable to be masked or wildcarded.
+ * - 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. */
- bitmap_and(tf->mask.bm, tf->match.bm, MFF_N_IDS);
- bitmap_and(tf->wildcard.bm, tf->match.bm, MFF_N_IDS);
-
+ * 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;
}
return request;
}
-/* ofputil_table_mod */
+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;
-/* Decodes the OpenFlow "table mod" message in '*oh' into an abstract form in
- * '*pm'. Returns 0 if successful, otherwise an OFPERR_* value. */
-enum ofperr
-ofputil_decode_table_mod(const struct ofp_header *oh,
- struct ofputil_table_mod *pm)
+ 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)
{
- enum ofpraw raw;
- struct ofpbuf b;
+ size_t start_ofs;
- ofpbuf_use_const(&b, oh, ntohs(oh->length));
- raw = ofpraw_pull_assert(&b);
+ 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);
- if (raw == OFPRAW_OFPT11_TABLE_MOD) {
- const struct ofp11_table_mod *otm = ofpbuf_data(&b);
+ put_fields_property(reply, &taf->set_fields, NULL,
+ set_fields_type + miss_offset, version);
+}
- pm->table_id = otm->table_id;
- pm->config = ntohl(otm->config);
- } else if (raw == OFPRAW_OFPT14_TABLE_MOD) {
- const struct ofp14_table_mod *otm = ofpbuf_pull(&b, sizeof *otm);
+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;
- pm->table_id = otm->table_id;
- pm->config = ntohl(otm->config);
- /* We do not understand any properties yet, so we do not bother
- * parsing them. */
- } else {
- return OFPERR_OFPBRC_BAD_TYPE;
+ 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);
- return 0;
+ 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);
}
-/* Converts the abstract form of a "table mod" message in '*pm' into an OpenFlow
- * message suitable for 'protocol', and returns that encoded form in a buffer
- * owned by the caller. */
-struct ofpbuf *
-ofputil_encode_table_mod(const struct ofputil_table_mod *pm,
- enum ofputil_protocol protocol)
+void
+ofputil_append_table_features_reply(const struct ofputil_table_features *tf,
+ struct ovs_list *replies)
{
- enum ofp_version ofp_version = ofputil_protocol_to_ofp_version(protocol);
- struct ofpbuf *b;
+ struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
+ enum ofp_version version = ofpmp_version(replies);
+ size_t start_ofs = reply->size;
+ struct ofp13_table_features *otf;
- switch (ofp_version) {
- case OFP10_VERSION: {
- ovs_fatal(0, "table mod needs OpenFlow 1.1 or later "
- "(\'-O OpenFlow11\')");
- break;
+ 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;
+ if (version >= OFP14_VERSION) {
+ if (tf->supports_eviction) {
+ otf->capabilities |= htonl(OFPTC14_EVICTION);
+ }
+ if (tf->supports_vacancy_events) {
+ otf->capabilities |= htonl(OFPTC14_VACANCY_EVENTS);
+ }
}
- case OFP11_VERSION:
- case OFP12_VERSION:
- case OFP13_VERSION: {
- struct ofp11_table_mod *otm;
+ otf->max_entries = htonl(tf->max_entries);
- 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);
- break;
- }
- case OFP14_VERSION:
- case OFP15_VERSION: {
- struct ofp14_table_mod *otm;
+ put_table_instruction_features(reply, &tf->nonmiss, 0, version);
+ put_table_instruction_features(reply, &tf->miss, 1, version);
- 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 = htonl(pm->config);
- break;
- }
- default:
- OVS_NOT_REACHED();
+ 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(reply->size - start_ofs);
+ ofpmp_postappend(replies, start_ofs);
+}
+
+static enum ofperr
+parse_table_desc_eviction_property(struct ofpbuf *property,
+ struct ofputil_table_desc *td)
+{
+ struct ofp14_table_mod_prop_eviction *ote = property->data;
+
+ if (property->size != sizeof *ote) {
+ return OFPERR_OFPBPC_BAD_LEN;
}
- return b;
+ td->eviction_flags = ntohl(ote->flags);
+ return 0;
}
-\f
-/* ofputil_role_request */
-/* Decodes the OpenFlow "role request" or "role reply" message in '*oh' into
- * an abstract form in '*rr'. Returns 0 if successful, otherwise an
- * OFPERR_* value. */
-enum ofperr
-ofputil_decode_role_message(const struct ofp_header *oh,
- struct ofputil_role_request *rr)
+/* Decodes the next OpenFlow "table desc" message (of possibly several) from
+ * 'msg' into an abstract form in '*td'. Returns 0 if successful, EOF if the
+ * last "table desc" in 'msg' was already decoded, otherwise an OFPERR_*
+ * value. */
+int
+ofputil_decode_table_desc(struct ofpbuf *msg,
+ struct ofputil_table_desc *td,
+ enum ofp_version version)
{
- struct ofpbuf b;
- enum ofpraw raw;
+ struct ofp14_table_desc *otd;
+ struct ofpbuf properties;
+ size_t length;
- ofpbuf_use_const(&b, oh, ntohs(oh->length));
- raw = ofpraw_pull_assert(&b);
+ memset(td, 0, sizeof *td);
- if (raw == OFPRAW_OFPT12_ROLE_REQUEST ||
- raw == OFPRAW_OFPT12_ROLE_REPLY) {
- const struct ofp12_role_request *orr = ofpbuf_l3(&b);
+ if (!msg->header) {
+ ofpraw_pull_assert(msg);
+ }
- if (orr->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
- orr->role != htonl(OFPCR12_ROLE_EQUAL) &&
- orr->role != htonl(OFPCR12_ROLE_MASTER) &&
- orr->role != htonl(OFPCR12_ROLE_SLAVE)) {
- return OFPERR_OFPRRFC_BAD_ROLE;
- }
+ if (!msg->size) {
+ return EOF;
+ }
- rr->role = ntohl(orr->role);
+ otd = ofpbuf_try_pull(msg, sizeof *otd);
+ if (!otd) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFP14_TABLE_DESC reply has %"PRIu32" "
+ "leftover bytes at end", msg->size);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ td->table_id = otd->table_id;
+ length = ntohs(otd->length);
+ if (length < sizeof *otd || length - sizeof *otd > msg->size) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFP14_TABLE_DESC reply claims invalid "
+ "length %"PRIuSIZE, length);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ length -= sizeof *otd;
+ ofpbuf_use_const(&properties, ofpbuf_pull(msg, length), length);
+
+ td->eviction = ofputil_decode_table_eviction(otd->config, version);
+ td->eviction_flags = UINT32_MAX;
+
+ while (properties.size > 0) {
+ struct ofpbuf payload;
+ enum ofperr error;
+ uint16_t type;
+
+ error = ofputil_pull_property(&properties, &payload, &type);
+ if (error) {
+ return error;
+ }
+
+ switch (type) {
+ case OFPTMPT14_EVICTION:
+ error = parse_table_desc_eviction_property(&payload, td);
+ break;
+
+ default:
+ log_property(true, "unknown table_desc property %"PRIu16, type);
+ error = 0;
+ break;
+ }
+
+ if (error) {
+ return error;
+ }
+ }
+
+ return 0;
+}
+
+/* Encodes and returns a request to obtain description of tables of a switch.
+ * The message is encoded for OpenFlow version 'ofp_version'. */
+struct ofpbuf *
+ofputil_encode_table_desc_request(enum ofp_version ofp_version)
+{
+ struct ofpbuf *request = NULL;
+
+ if (ofp_version >= OFP14_VERSION) {
+ request = ofpraw_alloc(OFPRAW_OFPST14_TABLE_DESC_REQUEST,
+ ofp_version, 0);
+ } else {
+ ovs_fatal(0, "dump-table-desc needs OpenFlow 1.4 or later "
+ "(\'-O OpenFlow14\')");
+ }
+
+ return request;
+}
+
+/* Function to append Table desc information in a reply list. */
+void
+ofputil_append_table_desc_reply(const struct ofputil_table_desc *td,
+ struct ovs_list *replies,
+ enum ofp_version version)
+{
+ struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
+ size_t start_otd;
+ struct ofp14_table_desc *otd;
+
+ start_otd = reply->size;
+ ofpbuf_put_zeros(reply, sizeof *otd);
+ if (td->eviction_flags != UINT32_MAX) {
+ struct ofp14_table_mod_prop_eviction *ote;
+
+ ote = ofpbuf_put_zeros(reply, sizeof *ote);
+ ote->type = htons(OFPTMPT14_EVICTION);
+ ote->length = htons(sizeof *ote);
+ ote->flags = htonl(td->eviction_flags);
+ }
+
+ otd = ofpbuf_at_assert(reply, start_otd, sizeof *otd);
+ otd->length = htons(reply->size - start_otd);
+ otd->table_id = td->table_id;
+ otd->config = ofputil_encode_table_config(OFPUTIL_TABLE_MISS_DEFAULT,
+ td->eviction, version);
+ ofpmp_postappend(replies, start_otd);
+}
+
+static enum ofperr
+parse_table_mod_eviction_property(struct ofpbuf *property,
+ struct ofputil_table_mod *tm)
+{
+ struct ofp14_table_mod_prop_eviction *ote = property->data;
+
+ if (property->size != sizeof *ote) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ tm->eviction_flags = ntohl(ote->flags);
+ return 0;
+}
+
+/* Given 'config', taken from an OpenFlow 'version' message that specifies
+ * table configuration (a table mod, table stats, or table features message),
+ * returns the table eviction configuration that it specifies.
+ *
+ * Only OpenFlow 1.4 and later specify table eviction configuration this way,
+ * so for other 'version' values this function always returns
+ * OFPUTIL_TABLE_EVICTION_DEFAULT. */
+static enum ofputil_table_eviction
+ofputil_decode_table_eviction(ovs_be32 config, enum ofp_version version)
+{
+ return (version < OFP14_VERSION ? OFPUTIL_TABLE_EVICTION_DEFAULT
+ : config & htonl(OFPTC14_EVICTION) ? OFPUTIL_TABLE_EVICTION_ON
+ : OFPUTIL_TABLE_EVICTION_OFF);
+}
+
+/* Returns a bitmap of OFPTC* values suitable for 'config' fields in various
+ * OpenFlow messages of the given 'version', based on the provided 'miss' and
+ * 'eviction' values. */
+static ovs_be32
+ofputil_encode_table_config(enum ofputil_table_miss miss,
+ enum ofputil_table_eviction eviction,
+ enum ofp_version version)
+{
+ /* See the section "OFPTC_* Table Configuration" in DESIGN.md for more
+ * information on the crazy evolution of this field. */
+ switch (version) {
+ case OFP10_VERSION:
+ /* OpenFlow 1.0 didn't have such a field, any value ought to do. */
+ return htonl(0);
+
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ /* OpenFlow 1.1 and 1.2 define only OFPTC11_TABLE_MISS_*. */
+ switch (miss) {
+ case OFPUTIL_TABLE_MISS_DEFAULT:
+ /* Really this shouldn't be used for encoding (the caller should
+ * provide a specific value) but I can't imagine that defaulting to
+ * the fall-through case here will hurt. */
+ case OFPUTIL_TABLE_MISS_CONTROLLER:
+ 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);
+ }
+ OVS_NOT_REACHED();
+
+ case OFP13_VERSION:
+ /* OpenFlow 1.3 removed OFPTC11_TABLE_MISS_* and didn't define any new
+ * flags, so this is correct. */
+ return htonl(0);
+
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ /* OpenFlow 1.4 introduced OFPTC14_EVICTION and OFPTC14_VACANCY_EVENTS
+ * and we don't support the latter yet. */
+ return htonl(eviction == OFPUTIL_TABLE_EVICTION_ON
+ ? OFPTC14_EVICTION : 0);
+ }
+
+ OVS_NOT_REACHED();
+}
+
+/* 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.
+ *
+ * Only OpenFlow 1.1 and 1.2 specify table miss configurations this way, so for
+ * other 'version' values this function always returns
+ * OFPUTIL_TABLE_MISS_DEFAULT. */
+static enum ofputil_table_miss
+ofputil_decode_table_miss(ovs_be32 config_, enum ofp_version version)
+{
+ uint32_t config = ntohl(config_);
+
+ if (version == OFP11_VERSION || version == OFP12_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;
+ }
+}
+
+/* Decodes the OpenFlow "table mod" message in '*oh' into an abstract form in
+ * '*pm'. Returns 0 if successful, otherwise an OFPERR_* value. */
+enum ofperr
+ofputil_decode_table_mod(const struct ofp_header *oh,
+ struct ofputil_table_mod *pm)
+{
+ enum ofpraw raw;
+ struct ofpbuf b;
+
+ memset(pm, 0, sizeof *pm);
+ pm->miss = OFPUTIL_TABLE_MISS_DEFAULT;
+ pm->eviction = OFPUTIL_TABLE_EVICTION_DEFAULT;
+ pm->eviction_flags = UINT32_MAX;
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+
+ if (raw == OFPRAW_OFPT11_TABLE_MOD) {
+ const struct ofp11_table_mod *otm = b.data;
+
+ pm->table_id = otm->table_id;
+ pm->miss = ofputil_decode_table_miss(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 = ofputil_decode_table_miss(otm->config, oh->version);
+ pm->eviction = ofputil_decode_table_eviction(otm->config, oh->version);
+ while (b.size > 0) {
+ struct ofpbuf property;
+ enum ofperr error;
+ uint16_t type;
+
+ error = ofputil_pull_property(&b, &property, &type);
+ if (error) {
+ return error;
+ }
+
+ switch (type) {
+ case OFPTMPT14_EVICTION:
+ error = parse_table_mod_eviction_property(&property, pm);
+ break;
+
+ default:
+ error = OFPERR_OFPBRC_BAD_TYPE;
+ break;
+ }
+
+ if (error) {
+ return error;
+ }
+ }
+ } else {
+ return OFPERR_OFPBRC_BAD_TYPE;
+ }
+
+ return 0;
+}
+
+/* Converts the abstract form of a "table mod" message in '*tm' into an
+ * OpenFlow message suitable for 'protocol', and returns that encoded form in a
+ * buffer owned by the caller. */
+struct ofpbuf *
+ofputil_encode_table_mod(const struct ofputil_table_mod *tm,
+ enum ofputil_protocol protocol)
+{
+ enum ofp_version ofp_version = ofputil_protocol_to_ofp_version(protocol);
+ struct ofpbuf *b;
+
+ switch (ofp_version) {
+ case OFP10_VERSION: {
+ ovs_fatal(0, "table mod needs OpenFlow 1.1 or later "
+ "(\'-O OpenFlow11\')");
+ break;
+ }
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION: {
+ struct ofp11_table_mod *otm;
+
+ b = ofpraw_alloc(OFPRAW_OFPT11_TABLE_MOD, ofp_version, 0);
+ otm = ofpbuf_put_zeros(b, sizeof *otm);
+ otm->table_id = tm->table_id;
+ otm->config = ofputil_encode_table_config(tm->miss, tm->eviction,
+ ofp_version);
+ break;
+ }
+ case OFP14_VERSION:
+ case OFP15_VERSION: {
+ struct ofp14_table_mod *otm;
+ struct ofp14_table_mod_prop_eviction *ote;
+
+ b = ofpraw_alloc(OFPRAW_OFPT14_TABLE_MOD, ofp_version, 0);
+ otm = ofpbuf_put_zeros(b, sizeof *otm);
+ otm->table_id = tm->table_id;
+ otm->config = ofputil_encode_table_config(tm->miss, tm->eviction,
+ ofp_version);
+
+ if (tm->eviction_flags != UINT32_MAX) {
+ ote = ofpbuf_put_zeros(b, sizeof *ote);
+ ote->type = htons(OFPTMPT14_EVICTION);
+ ote->length = htons(sizeof *ote);
+ ote->flags = htonl(tm->eviction_flags);
+ }
+ break;
+ }
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ return b;
+}
+\f
+/* ofputil_role_request */
+
+/* Decodes the OpenFlow "role request" or "role reply" message in '*oh' into
+ * an abstract form in '*rr'. Returns 0 if successful, otherwise an
+ * OFPERR_* value. */
+enum ofperr
+ofputil_decode_role_message(const struct ofp_header *oh,
+ struct ofputil_role_request *rr)
+{
+ struct ofpbuf b;
+ enum ofpraw raw;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+
+ if (raw == OFPRAW_OFPT12_ROLE_REQUEST ||
+ raw == OFPRAW_OFPT12_ROLE_REPLY) {
+ const struct ofp12_role_request *orr = b.msg;
+
+ if (orr->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
+ orr->role != htonl(OFPCR12_ROLE_EQUAL) &&
+ orr->role != htonl(OFPCR12_ROLE_MASTER) &&
+ orr->role != htonl(OFPCR12_ROLE_SLAVE)) {
+ return OFPERR_OFPRRFC_BAD_ROLE;
+ }
+
+ rr->role = ntohl(orr->role);
if (raw == OFPRAW_OFPT12_ROLE_REQUEST
? orr->role == htonl(OFPCR12_ROLE_NOCHANGE)
: orr->generation_id == OVS_BE64_MAX) {
}
} else if (raw == OFPRAW_NXT_ROLE_REQUEST ||
raw == OFPRAW_NXT_ROLE_REPLY) {
- const struct nx_role_request *nrr = ofpbuf_l3(&b);
+ const struct nx_role_request *nrr = b.msg;
BUILD_ASSERT(NX_ROLE_OTHER + 1 == OFPCR12_ROLE_EQUAL);
BUILD_ASSERT(NX_ROLE_MASTER + 1 == OFPCR12_ROLE_MASTER);
raw = ofpraw_pull_assert(&b);
ovs_assert(raw == OFPRAW_OFPT14_ROLE_STATUS);
- r = ofpbuf_l3(&b);
+ r = b.msg;
if (r->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
r->role != htonl(OFPCR12_ROLE_EQUAL) &&
r->role != htonl(OFPCR12_ROLE_MASTER) &&
return 0;
}
-/* Table stats. */
-
-static void
-ofputil_put_ofp10_table_stats(const struct ofp12_table_stats *in,
- struct ofpbuf *buf)
+/* Encodes 'rf' according to 'protocol', and returns the encoded message.
+ * 'protocol' must be for OpenFlow 1.4 or later. */
+struct ofpbuf *
+ofputil_encode_requestforward(const struct ofputil_requestforward *rf,
+ enum ofputil_protocol protocol)
{
- 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 },
- };
+ enum ofp_version ofp_version = ofputil_protocol_to_ofp_version(protocol);
+ struct ofpbuf *inner;
- struct ofp10_table_stats *out;
- const struct wc_map *p;
+ switch (rf->reason) {
+ case OFPRFR_GROUP_MOD:
+ inner = ofputil_encode_group_mod(ofp_version, rf->group_mod);
+ break;
- 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);
- }
+ case OFPRFR_METER_MOD:
+ inner = ofputil_encode_meter_mod(ofp_version, rf->meter_mod);
+ break;
+
+ default:
+ OVS_NOT_REACHED();
}
- 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);
-}
-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);
-}
+ struct ofp_header *inner_oh = inner->data;
+ inner_oh->xid = rf->xid;
+ inner_oh->length = htons(inner->size);
-static void
-ofputil_put_ofp11_table_stats(const struct ofp12_table_stats *in,
- struct ofpbuf *buf)
-{
- struct ofp11_table_stats *out;
+ struct ofpbuf *outer = ofpraw_alloc_xid(OFPRAW_OFPT14_REQUESTFORWARD,
+ ofp_version, htonl(0),
+ inner->size);
+ ofpbuf_put(outer, inner->data, inner->size);
+ ofpbuf_delete(inner);
- 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;
+ return outer;
}
-static void
-ofputil_put_ofp12_table_stats(const struct ofp12_table_stats *in,
- struct ofpbuf *buf)
+/* Decodes OFPT_REQUESTFORWARD message 'outer'. On success, puts the decoded
+ * form into '*rf' and returns 0, and the caller is later responsible for
+ * freeing the content of 'rf', with ofputil_destroy_requestforward(rf). On
+ * failure, returns an ofperr and '*rf' is indeterminate. */
+enum ofperr
+ofputil_decode_requestforward(const struct ofp_header *outer,
+ struct ofputil_requestforward *rf)
{
- struct ofp12_table_stats *out = ofpbuf_put(buf, in, sizeof *in);
+ struct ofpbuf b;
+ enum ofperr error;
- /* 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);
-}
+ ofpbuf_use_const(&b, outer, ntohs(outer->length));
-static void
-ofputil_put_ofp13_table_stats(const struct ofp12_table_stats *in,
- struct ofpbuf *buf)
-{
- struct ofp13_table_stats *out;
+ /* Skip past outer message. */
+ enum ofpraw outer_raw = ofpraw_pull_assert(&b);
+ ovs_assert(outer_raw == OFPRAW_OFPT14_REQUESTFORWARD);
- /* OF 1.3 splits table features off the ofp_table_stats,
- * so there is not much here. */
+ /* Validate inner message. */
+ if (b.size < sizeof(struct ofp_header)) {
+ return OFPERR_OFPBFC_MSG_BAD_LEN;
+ }
+ const struct ofp_header *inner = b.data;
+ unsigned int inner_len = ntohs(inner->length);
+ if (inner_len < sizeof(struct ofp_header) || inner_len > b.size) {
+ return OFPERR_OFPBFC_MSG_BAD_LEN;
+ }
+ if (inner->version != outer->version) {
+ return OFPERR_OFPBRC_BAD_VERSION;
+ }
- 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;
-}
+ /* Parse inner message. */
+ enum ofptype type;
+ error = ofptype_decode(&type, inner);
+ if (error) {
+ return error;
+ }
-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;
+ rf->xid = inner->xid;
+ if (type == OFPTYPE_GROUP_MOD) {
+ rf->reason = OFPRFR_GROUP_MOD;
+ rf->group_mod = xmalloc(sizeof *rf->group_mod);
+ error = ofputil_decode_group_mod(inner, rf->group_mod);
+ if (error) {
+ free(rf->group_mod);
+ return error;
+ }
+ } else if (type == OFPTYPE_METER_MOD) {
+ rf->reason = OFPRFR_METER_MOD;
+ rf->meter_mod = xmalloc(sizeof *rf->meter_mod);
+ ofpbuf_init(&rf->bands, 64);
+ error = ofputil_decode_meter_mod(inner, rf->meter_mod, &rf->bands);
+ if (error) {
+ free(rf->meter_mod);
+ ofpbuf_uninit(&rf->bands);
+ return error;
+ }
+ } else {
+ return OFPERR_OFPBFC_MSG_UNSUP;
+ }
- reply = ofpraw_alloc_stats_reply(request, n * sizeof *stats);
+ return 0;
+}
- for (i = 0; i < n; i++) {
- switch ((enum ofp_version) request->version) {
- case OFP10_VERSION:
- ofputil_put_ofp10_table_stats(&stats[i], reply);
- break;
+/* Frees the content of 'rf', which should have been initialized through a
+ * successful call to ofputil_decode_requestforward(). */
+void
+ofputil_destroy_requestforward(struct ofputil_requestforward *rf)
+{
+ if (!rf) {
+ return;
+ }
- case OFP11_VERSION:
- ofputil_put_ofp11_table_stats(&stats[i], reply);
- break;
+ switch (rf->reason) {
+ case OFPRFR_GROUP_MOD:
+ ofputil_uninit_group_mod(rf->group_mod);
+ free(rf->group_mod);
+ break;
- case OFP12_VERSION:
- ofputil_put_ofp12_table_stats(&stats[i], reply);
- break;
+ case OFPRFR_METER_MOD:
+ ofpbuf_uninit(&rf->bands);
+ free(rf->meter_mod);
+ }
+}
- case OFP13_VERSION:
- case OFP14_VERSION:
- case OFP15_VERSION:
- ofputil_put_ofp13_table_stats(&stats[i], reply);
- break;
+/* Table stats. */
- default:
- OVS_NOT_REACHED();
+/* 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);
+}
- return reply;
+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 ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
+ struct ofpbuf *buf)
+{
+ struct mf_bitmap wc = wild_or_nonmatchable_fields(features);
+ struct ofp10_table_stats *out;
+
+ out = ofpbuf_put_zeros(buf, sizeof *out);
+ 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;
+ }
+ }
+ return htonl(wc11);
+}
+
+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 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 = 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 ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
+ struct ofpbuf *buf)
+{
+ struct ofp12_table_stats *out;
+
+ 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_encode_table_config(features->miss_config,
+ OFPUTIL_TABLE_EVICTION_DEFAULT,
+ 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 ofputil_table_stats *stats,
+ struct ofpbuf *buf)
+{
+ struct ofp13_table_stats *out;
+
+ 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 = reply->header;
+
+ 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;
+
+ default:
+ OVS_NOT_REACHED();
+ }
+}
+
+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_decode_table_miss(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_decode_table_miss(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->header) {
+ ofpraw_pull_assert(msg);
+ }
+ oh = msg->header;
+
+ if (!msg->size) {
+ return EOF;
+ }
+
+ memset(stats, 0, sizeof *stats);
+ memset(features, 0, sizeof *features);
+ features->supports_eviction = -1;
+ features->supports_vacancy_events = -1;
+
+ switch ((enum ofp_version) oh->version) {
+ case OFP10_VERSION:
+ return ofputil_decode_ofp10_table_stats(msg, stats, features);
+
+ case OFP11_VERSION:
+ return ofputil_decode_ofp11_table_stats(msg, stats, features);
+
+ case OFP12_VERSION:
+ return ofputil_decode_ofp12_table_stats(msg, stats, features);
+
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ return ofputil_decode_ofp13_table_stats(msg, stats, features);
+
+ default:
+ OVS_NOT_REACHED();
+ }
}
\f
/* ofputil_flow_monitor_request */
struct nx_flow_monitor_request *nfmr;
uint16_t flags;
- if (!msg->frame) {
+ if (!msg->header) {
ofpraw_pull_assert(msg);
}
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
}
nfmr = ofpbuf_try_pull(msg, sizeof *nfmr);
if (!nfmr) {
VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR request has %"PRIu32" "
- "leftover bytes at end", ofpbuf_size(msg));
+ "leftover bytes at end", msg->size);
return OFPERR_OFPBRC_BAD_LEN;
}
size_t start_ofs;
int match_len;
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
ofpraw_put(OFPRAW_NXST_FLOW_MONITOR_REQUEST, OFP10_VERSION, msg);
}
- start_ofs = ofpbuf_size(msg);
+ start_ofs = msg->size;
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->frame) {
+ if (!msg->header) {
ofpraw_pull_assert(msg);
}
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
}
- if (ofpbuf_size(msg) < sizeof(struct nx_flow_update_header)) {
+ if (msg->size < sizeof(struct nx_flow_update_header)) {
goto bad_len;
}
- oh = msg->frame;
+ oh = msg->header;
- nfuh = ofpbuf_data(msg);
+ nfuh = msg->data;
update->event = ntohs(nfuh->event);
length = ntohs(nfuh->length);
- if (length > ofpbuf_size(msg) || length % 8) {
+ if (length > msg->size || length % 8) {
goto bad_len;
}
return error;
}
- update->ofpacts = ofpbuf_data(ofpacts);
- update->ofpacts_len = ofpbuf_size(ofpacts);
+ update->ofpacts = ofpacts->data;
+ update->ofpacts_len = ofpacts->size;
return 0;
} else {
VLOG_WARN_RL(&bad_ofmsg_rl,
bad_len:
VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR reply has %"PRIu32" "
- "leftover bytes at end", ofpbuf_size(msg));
+ "leftover bytes at end", msg->size);
return OFPERR_OFPBRC_BAD_LEN;
}
}
void
-ofputil_start_flow_update(struct list *replies)
+ofputil_start_flow_update(struct ovs_list *replies)
{
struct ofpbuf *msg;
void
ofputil_append_flow_update(const struct ofputil_flow_update *update,
- struct list *replies)
+ struct ovs_list *replies)
{
enum ofp_version version = ofpmp_version(replies);
struct nx_flow_update_header *nfuh;
size_t start_ofs;
msg = ofpbuf_from_list(list_back(replies));
- start_ofs = ofpbuf_size(msg);
+ start_ofs = msg->size;
if (update->event == NXFME_ABBREV) {
struct nx_flow_update_abbrev *nfua;
}
nfuh = ofpbuf_at_assert(msg, start_ofs, sizeof *nfuh);
- nfuh->length = htons(ofpbuf_size(msg) - start_ofs);
+ nfuh->length = htons(msg->size - 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 = ofpbuf_size(msg);
+ actions_ofs = msg->size;
ofpacts_put_openflow_actions(po->ofpacts, po->ofpacts_len, msg,
ofp_version);
- opo = ofpbuf_l3(msg);
+ opo = msg->msg;
opo->buffer_id = htonl(po->buffer_id);
opo->in_port = htons(ofp_to_u16(po->in_port));
- opo->actions_len = htons(ofpbuf_size(msg) - actions_ofs);
+ opo->actions_len = htons(msg->size - actions_ofs);
break;
}
ofpbuf_put_zeros(msg, sizeof *opo);
len = ofpacts_put_openflow_actions(po->ofpacts, po->ofpacts_len, msg,
ofp_version);
- opo = ofpbuf_l3(msg);
+ opo = msg->msg;
opo->buffer_id = htonl(po->buffer_id);
opo->in_port = ofputil_port_to_ofp11(po->in_port);
opo->actions_len = htons(len);
ofpbuf_use_const(&rq_buf, rq, ntohs(rq->length));
ofpraw_pull_assert(&rq_buf);
- reply = ofpraw_alloc_reply(OFPRAW_OFPT_ECHO_REPLY, rq, ofpbuf_size(&rq_buf));
- ofpbuf_put(reply, ofpbuf_data(&rq_buf), ofpbuf_size(&rq_buf));
+ reply = ofpraw_alloc_reply(OFPRAW_OFPT_ECHO_REPLY, rq, rq_buf.size);
+ ofpbuf_put(reply, rq_buf.data, rq_buf.size);
return reply;
}
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 \
}
case OFP14_VERSION:
case OFP15_VERSION:
- return ofpbuf_size(b) ? ofputil_pull_ofp14_port(pp, b) : EOF;
- default:
- OVS_NOT_REACHED();
- }
-}
-
-/* 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 OFPAT13_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;
- }
- }
- 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";
-}
-
-enum ofputil_action_code
-ofputil_action_code_from_ofp13_action(enum ofp13_action_type type)
-{
- switch (type) {
-
-#define OFPAT13_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- case ENUM: \
- return OFPUTIL_##ENUM;
-#include "ofp-util.def"
-
+ return b->size ? ofputil_pull_ofp14_port(pp, b) : EOF;
default:
- return OFPUTIL_ACTION_INVALID;
- }
-}
-
-/* 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:
-#define OFPAT13_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) case OFPUTIL_##ENUM:
-#include "ofp-util.def"
OVS_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"
}
- OVS_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 OFPAT13_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.nw_ttl = 0;
}
if (!(may_match & MAY_ARP_SHA)) {
- memset(wc.masks.arp_sha, 0, ETH_ADDR_LEN);
+ WC_UNMASK_FIELD(&wc, arp_sha);
}
if (!(may_match & MAY_ARP_THA)) {
- memset(wc.masks.arp_tha, 0, ETH_ADDR_LEN);
+ WC_UNMASK_FIELD(&wc, arp_tha);
}
if (!(may_match & MAY_IPV6)) {
wc.masks.ipv6_src = wc.masks.ipv6_dst = in6addr_any;
}
/* Encode a dump ports request for 'port', the encoded message
- * will be for Open Flow version 'ofp_version'. Returns message
+ * will be for OpenFlow version 'ofp_version'. Returns message
* as a struct ofpbuf. Returns encoded message on success, NULL on error */
struct ofpbuf *
ofputil_encode_dump_ports_request(enum ofp_version ofp_version, ofp_port_t port)
static void
ofputil_append_ofp14_port_stats(const struct ofputil_port_stats *ops,
- struct list *replies)
+ struct ovs_list *replies)
{
struct ofp14_port_stats_prop_ethernet *eth;
struct ofp14_port_stats *ps14;
/* Encode a ports stat for 'ops' and append it to 'replies'. */
void
-ofputil_append_port_stat(struct list *replies,
+ofputil_append_port_stat(struct ovs_list *replies,
const struct ofputil_port_stats *ops)
{
switch (ofpmp_version(replies)) {
parse_ofp14_port_stats_ethernet_property(const struct ofpbuf *payload,
struct ofputil_port_stats *ops)
{
- const struct ofp14_port_stats_prop_ethernet *eth = ofpbuf_data(payload);
+ const struct ofp14_port_stats_prop_ethernet *eth = payload->data;
- if (ofpbuf_size(payload) != sizeof *eth) {
+ if (payload->size != sizeof *eth) {
return OFPERR_OFPBPC_BAD_LEN;
}
}
len = ntohs(ps14->length);
- if (len < sizeof *ps14 || len - sizeof *ps14 > ofpbuf_size(msg)) {
+ if (len < sizeof *ps14 || len - sizeof *ps14 > msg->size) {
return OFPERR_OFPBRC_BAD_LEN;
}
len -= sizeof *ps14;
ops->stats.rx_crc_errors = UINT64_MAX;
ops->stats.collisions = UINT64_MAX;
- while (ofpbuf_size(&properties) > 0) {
+ while (properties.size > 0) {
struct ofpbuf payload;
enum ofperr error;
uint16_t type;
enum ofperr error;
enum ofpraw raw;
- error = (msg->frame
- ? ofpraw_decode(&raw, msg->frame)
+ error = (msg->header ? ofpraw_decode(&raw, msg->header)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
} else if (raw == OFPRAW_OFPST14_PORT_REPLY) {
return ofputil_pull_ofp14_port_stats(ps, msg);
bad_len:
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %"PRIu32" leftover "
- "bytes at end", ofpbuf_size(msg));
+ "bytes at end", msg->size);
return OFPERR_OFPBRC_BAD_LEN;
}
/* Frees all of the "struct ofputil_bucket"s in the 'buckets' list. */
void
-ofputil_bucket_list_destroy(struct list *buckets)
+ofputil_bucket_list_destroy(struct ovs_list *buckets)
{
- struct ofputil_bucket *bucket, *next_bucket;
+ struct ofputil_bucket *bucket;
- LIST_FOR_EACH_SAFE (bucket, next_bucket, list_node, buckets) {
- list_remove(&bucket->list_node);
+ LIST_FOR_EACH_POP (bucket, list_node, buckets) {
free(bucket->ofpacts);
free(bucket);
}
}
-/* Returns an OpenFlow group stats request for OpenFlow version 'ofp_version',
- * that requests stats for group 'group_id'. (Use OFPG_ALL to request stats
- * for all groups.)
- *
- * Group statistics include packet and byte counts for each group. */
-struct ofpbuf *
-ofputil_encode_group_stats_request(enum ofp_version ofp_version,
- uint32_t group_id)
+/* Clones 'bucket' and its ofpacts data */
+static struct ofputil_bucket *
+ofputil_bucket_clone_data(const struct ofputil_bucket *bucket)
{
- struct ofpbuf *request;
+ struct ofputil_bucket *new;
- switch (ofp_version) {
- case OFP10_VERSION:
- ovs_fatal(0, "dump-group-stats needs OpenFlow 1.1 or later "
- "(\'-O OpenFlow11\')");
- case OFP11_VERSION:
- case OFP12_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);
- req->group_id = htonl(group_id);
- break;
- }
- default:
- OVS_NOT_REACHED();
- }
+ new = xmemdup(bucket, sizeof *bucket);
+ new->ofpacts = xmemdup(bucket->ofpacts, bucket->ofpacts_len);
- return request;
+ return new;
}
-/* 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)
+/* Clones each of the buckets in the list 'src' appending them
+ * in turn to 'dest' which should be an initialised list.
+ * An exception is that if the pointer value of a bucket in 'src'
+ * matches 'skip' then it is not cloned or appended to 'dest'.
+ * This allows all of 'src' or 'all of 'src' except 'skip' to
+ * be cloned and appended to 'dest'. */
+void
+ofputil_bucket_clone_list(struct ovs_list *dest, const struct ovs_list *src,
+ const struct ofputil_bucket *skip)
{
- struct ofpbuf request;
- enum ofpraw raw;
+ struct ofputil_bucket *bucket;
- 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();
+ LIST_FOR_EACH (bucket, list_node, src) {
+ struct ofputil_bucket *new_bucket;
+
+ if (bucket == skip) {
+ continue;
+ }
+
+ new_bucket = ofputil_bucket_clone_data(bucket);
+ list_push_back(dest, &new_bucket->list_node);
+ }
+}
+
+/* Find a bucket in the list 'buckets' whose bucket id is 'bucket_id'
+ * Returns the first bucket found or NULL if no buckets are found. */
+struct ofputil_bucket *
+ofputil_bucket_find(const struct ovs_list *buckets, uint32_t bucket_id)
+{
+ struct ofputil_bucket *bucket;
+
+ if (bucket_id > OFPG15_BUCKET_MAX) {
+ return NULL;
+ }
+
+ LIST_FOR_EACH (bucket, list_node, buckets) {
+ if (bucket->bucket_id == bucket_id) {
+ return bucket;
+ }
+ }
+
+ return NULL;
+}
+
+/* Returns true if more than one bucket in the list 'buckets'
+ * have the same bucket id. Returns false otherwise. */
+bool
+ofputil_bucket_check_duplicate_id(const struct ovs_list *buckets)
+{
+ struct ofputil_bucket *i, *j;
+
+ LIST_FOR_EACH (i, list_node, buckets) {
+ LIST_FOR_EACH_REVERSE (j, list_node, buckets) {
+ if (i == j) {
+ break;
+ }
+ if (i->bucket_id == j->bucket_id) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+/* Returns the bucket at the front of the list 'buckets'.
+ * Undefined if 'buckets is empty. */
+struct ofputil_bucket *
+ofputil_bucket_list_front(const struct ovs_list *buckets)
+{
+ static struct ofputil_bucket *bucket;
+
+ ASSIGN_CONTAINER(bucket, list_front(buckets), list_node);
+
+ return bucket;
+}
+
+/* Returns the bucket at the back of the list 'buckets'.
+ * Undefined if 'buckets is empty. */
+struct ofputil_bucket *
+ofputil_bucket_list_back(const struct ovs_list *buckets)
+{
+ static struct ofputil_bucket *bucket;
+
+ ASSIGN_CONTAINER(bucket, list_back(buckets), list_node);
+
+ return bucket;
+}
+
+/* Returns an OpenFlow group stats request for OpenFlow version 'ofp_version',
+ * that requests stats for group 'group_id'. (Use OFPG_ALL to request stats
+ * for all groups.)
+ *
+ * Group statistics include packet and byte counts for each group. */
+struct ofpbuf *
+ofputil_encode_group_stats_request(enum ofp_version ofp_version,
+ uint32_t group_id)
+{
+ struct ofpbuf *request;
+
+ switch (ofp_version) {
+ case OFP10_VERSION:
+ ovs_fatal(0, "dump-group-stats needs OpenFlow 1.1 or later "
+ "(\'-O OpenFlow11\')");
+ case OFP11_VERSION:
+ case OFP12_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);
+ req->group_id = htonl(group_id);
+ break;
+ }
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ return request;
+}
+
+void
+ofputil_uninit_group_desc(struct ofputil_group_desc *gd)
+{
+ ofputil_bucket_list_destroy(&gd->buckets);
+ free(&gd->props.fields);
+}
+
+/* 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();
}
}
uint32_t group_id)
{
struct ofpbuf *request;
- ovs_be32 gid;
switch (ofp_version) {
case OFP10_VERSION:
request = ofpraw_alloc(OFPRAW_OFPST11_GROUP_DESC_REQUEST,
ofp_version, 0);
break;
- case OFP15_VERSION:
+ case OFP15_VERSION:{
+ struct ofp15_group_desc_request *req;
request = ofpraw_alloc(OFPRAW_OFPST15_GROUP_DESC_REQUEST,
ofp_version, 0);
- gid = htonl(group_id);
- ofpbuf_put(request, &gid, sizeof gid);
+ req = ofpbuf_put_zeros(request, sizeof *req);
+ req->group_id = htonl(group_id);
break;
+ }
default:
OVS_NOT_REACHED();
}
* 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,
+ofputil_append_group_stats(struct ovs_list *replies,
const struct ofputil_group_stats *gs)
{
size_t bucket_counter_size;
{
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->frame
- ? ofpraw_decode(&raw, msg->frame)
+ error = (msg->header ? ofpraw_decode(&raw, msg->header)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
}
if (!ogs11) {
VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %"PRIu32" leftover bytes at end",
- ofpraw_get_name(raw), ofpbuf_size(msg));
+ ofpraw_get_name(raw), msg->size);
return OFPERR_OFPBRC_BAD_LEN;
}
length = ntohs(ogs11->length);
obc = ofpbuf_try_pull(msg, gs->n_buckets * sizeof *obc);
if (!obc) {
VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %"PRIu32" leftover bytes at end",
- ofpraw_get_name(raw), ofpbuf_size(msg));
+ ofpraw_get_name(raw), msg->size);
return OFPERR_OFPBRC_BAD_LEN;
}
return 0;
}
-/* Appends a group stats reply that contains the data in 'gds' to those already
- * present in the list of ofpbufs in 'replies'. 'replies' should have been
- * initialized with ofpmp_init(). */
-void
-ofputil_append_group_desc_reply(const struct ofputil_group_desc *gds,
- struct list *buckets,
- struct list *replies)
+static void
+ofputil_put_ofp11_bucket(const struct ofputil_bucket *bucket,
+ struct ofpbuf *openflow, enum ofp_version ofp_version)
+{
+ struct ofp11_bucket *ob;
+ size_t start;
+
+ start = openflow->size;
+ ofpbuf_put_zeros(openflow, sizeof *ob);
+ ofpacts_put_openflow_actions(bucket->ofpacts, bucket->ofpacts_len,
+ openflow, ofp_version);
+ ob = ofpbuf_at_assert(openflow, start, sizeof *ob);
+ ob->len = htons(openflow->size - start);
+ ob->weight = htons(bucket->weight);
+ ob->watch_port = ofputil_port_to_ofp11(bucket->watch_port);
+ ob->watch_group = htonl(bucket->watch_group);
+}
+
+static void
+ofputil_put_ofp15_group_bucket_prop_weight(ovs_be16 weight,
+ struct ofpbuf *openflow)
+{
+ size_t start_ofs;
+ struct ofp15_group_bucket_prop_weight *prop;
+
+ start_ofs = start_property(openflow, OFPGBPT15_WEIGHT);
+ ofpbuf_put_zeros(openflow, sizeof *prop - sizeof(struct ofp_prop_header));
+ prop = ofpbuf_at_assert(openflow, start_ofs, sizeof *prop);
+ prop->weight = weight;
+ end_property(openflow, start_ofs);
+}
+
+static void
+ofputil_put_ofp15_group_bucket_prop_watch(ovs_be32 watch, uint16_t type,
+ struct ofpbuf *openflow)
+{
+ size_t start_ofs;
+ struct ofp15_group_bucket_prop_watch *prop;
+
+ start_ofs = start_property(openflow, type);
+ ofpbuf_put_zeros(openflow, sizeof *prop - sizeof(struct ofp_prop_header));
+ prop = ofpbuf_at_assert(openflow, start_ofs, sizeof *prop);
+ prop->watch = watch;
+ end_property(openflow, start_ofs);
+}
+
+static void
+ofputil_put_ofp15_bucket(const struct ofputil_bucket *bucket,
+ uint32_t bucket_id, enum ofp11_group_type group_type,
+ struct ofpbuf *openflow, enum ofp_version ofp_version)
+{
+ struct ofp15_bucket *ob;
+ size_t start, actions_start, actions_len;
+
+ start = openflow->size;
+ ofpbuf_put_zeros(openflow, sizeof *ob);
+
+ actions_start = openflow->size;
+ ofpacts_put_openflow_actions(bucket->ofpacts, bucket->ofpacts_len,
+ openflow, ofp_version);
+ actions_len = openflow->size - actions_start;
+
+ if (group_type == OFPGT11_SELECT) {
+ ofputil_put_ofp15_group_bucket_prop_weight(htons(bucket->weight),
+ openflow);
+ }
+ if (bucket->watch_port != OFPP_ANY) {
+ ovs_be32 port = ofputil_port_to_ofp11(bucket->watch_port);
+ ofputil_put_ofp15_group_bucket_prop_watch(port,
+ OFPGBPT15_WATCH_PORT,
+ openflow);
+ }
+ if (bucket->watch_group != OFPG_ANY) {
+ ovs_be32 group = htonl(bucket->watch_group);
+ ofputil_put_ofp15_group_bucket_prop_watch(group,
+ OFPGBPT15_WATCH_GROUP,
+ openflow);
+ }
+
+ ob = ofpbuf_at_assert(openflow, start, sizeof *ob);
+ ob->len = htons(openflow->size - start);
+ ob->action_array_len = htons(actions_len);
+ ob->bucket_id = htonl(bucket_id);
+}
+
+static void
+ofputil_put_group_prop_ntr_selection_method(enum ofp_version ofp_version,
+ const struct ofputil_group_props *gp,
+ struct ofpbuf *openflow)
+{
+ struct ntr_group_prop_selection_method *prop;
+ size_t start;
+
+ start = openflow->size;
+ ofpbuf_put_zeros(openflow, sizeof *prop);
+ oxm_put_field_array(openflow, &gp->fields, ofp_version);
+ prop = ofpbuf_at_assert(openflow, start, sizeof *prop);
+ prop->type = htons(OFPGPT15_EXPERIMENTER);
+ prop->experimenter = htonl(NTR_VENDOR_ID);
+ prop->exp_type = htonl(NTRT_SELECTION_METHOD);
+ strcpy(prop->selection_method, gp->selection_method);
+ prop->selection_method_param = htonll(gp->selection_method_param);
+ end_property(openflow, start);
+}
+
+static void
+ofputil_append_ofp11_group_desc_reply(const struct ofputil_group_desc *gds,
+ const struct ovs_list *buckets,
+ struct ovs_list *replies,
+ enum ofp_version version)
{
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;
- start_ogds = ofpbuf_size(reply);
+ start_ogds = reply->size;
+ ofpbuf_put_zeros(reply, sizeof *ogds);
+ LIST_FOR_EACH (bucket, list_node, buckets) {
+ ofputil_put_ofp11_bucket(bucket, reply, version);
+ }
+ ogds = ofpbuf_at_assert(reply, start_ogds, sizeof *ogds);
+ ogds->length = htons(reply->size - start_ogds);
+ ogds->type = gds->type;
+ ogds->group_id = htonl(gds->group_id);
+
+ ofpmp_postappend(replies, start_ogds);
+}
+
+static void
+ofputil_append_ofp15_group_desc_reply(const struct ofputil_group_desc *gds,
+ const struct ovs_list *buckets,
+ struct ovs_list *replies,
+ enum ofp_version version)
+{
+ struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
+ struct ofp15_group_desc_stats *ogds;
+ struct ofputil_bucket *bucket;
+ size_t start_ogds, start_buckets;
+
+ start_ogds = reply->size;
ofpbuf_put_zeros(reply, sizeof *ogds);
+ start_buckets = reply->size;
LIST_FOR_EACH (bucket, list_node, buckets) {
- struct ofp11_bucket *ob;
- size_t start_ob;
-
- 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(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);
+ ofputil_put_ofp15_bucket(bucket, bucket->bucket_id,
+ gds->type, reply, version);
}
ogds = ofpbuf_at_assert(reply, start_ogds, sizeof *ogds);
- ogds->length = htons(ofpbuf_size(reply) - start_ogds);
+ ogds->length = htons(reply->size - start_ogds);
ogds->type = gds->type;
ogds->group_id = htonl(gds->group_id);
+ ogds->bucket_list_len = htons(reply->size - start_buckets);
+
+ /* Add group properties */
+ if (gds->props.selection_method[0]) {
+ ofputil_put_group_prop_ntr_selection_method(version, &gds->props,
+ reply);
+ }
ofpmp_postappend(replies, start_ogds);
}
+/* Appends a group stats reply that contains the data in 'gds' to those already
+ * present in the list of ofpbufs in 'replies'. 'replies' should have been
+ * initialized with ofpmp_init(). */
+void
+ofputil_append_group_desc_reply(const struct ofputil_group_desc *gds,
+ const struct ovs_list *buckets,
+ struct ovs_list *replies)
+{
+ enum ofp_version version = ofpmp_version(replies);
+
+ switch (version)
+ {
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ ofputil_append_ofp11_group_desc_reply(gds, buckets, replies, version);
+ break;
+
+ case OFP15_VERSION:
+ ofputil_append_ofp15_group_desc_reply(gds, buckets, replies, version);
+ break;
+
+ case OFP10_VERSION:
+ default:
+ OVS_NOT_REACHED();
+ }
+}
+
static enum ofperr
-ofputil_pull_buckets(struct ofpbuf *msg, size_t buckets_length,
- enum ofp_version version, struct list *buckets)
+ofputil_pull_ofp11_buckets(struct ofpbuf *msg, size_t buckets_length,
+ enum ofp_version version, struct ovs_list *buckets)
{
struct ofp11_bucket *ob;
+ uint32_t bucket_id = 0;
list_init(buckets);
while (buckets_length > 0) {
return OFPERR_OFPGMFC_BAD_WATCH;
}
bucket->watch_group = ntohl(ob->watch_group);
+ bucket->bucket_id = bucket_id++;
+
bucket->ofpacts = ofpbuf_steal_data(&ofpacts);
- bucket->ofpacts_len = ofpbuf_size(&ofpacts);
+ bucket->ofpacts_len = ofpacts.size;
list_push_back(buckets, &bucket->list_node);
}
return 0;
}
-/* Converts a group description reply in 'msg' into an abstract
- * ofputil_group_desc in 'gd'.
- *
- * Multiple group description replies can be packed into a single OpenFlow
- * message. Calling this function multiple times for a single 'msg' iterates
- * through the replies. The caller must initially leave 'msg''s layer pointers
- * null and not modify them between calls.
- *
- * Returns 0 if successful, EOF if no replies were left in this 'msg',
- * otherwise a positive errno value. */
-int
-ofputil_decode_group_desc_reply(struct ofputil_group_desc *gd,
- struct ofpbuf *msg, enum ofp_version version)
+static enum ofperr
+parse_ofp15_group_bucket_prop_weight(const struct ofpbuf *payload,
+ ovs_be16 *weight)
{
- struct ofp11_group_desc_stats *ogds;
- size_t length;
+ struct ofp15_group_bucket_prop_weight *prop = payload->data;
- if (!msg->frame) {
- ofpraw_pull_assert(msg);
+ if (payload->size != sizeof *prop) {
+ log_property(false, "OpenFlow bucket weight property length "
+ "%u is not valid", payload->size);
+ return OFPERR_OFPBPC_BAD_LEN;
}
- if (!ofpbuf_size(msg)) {
- return EOF;
- }
+ *weight = prop->weight;
- ogds = ofpbuf_try_pull(msg, sizeof *ogds);
- if (!ogds) {
- 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);
+ return 0;
+}
- length = ntohs(ogds->length);
- if (length < sizeof *ogds || length - sizeof *ogds > ofpbuf_size(msg)) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply claims invalid "
- "length %"PRIuSIZE, length);
- return OFPERR_OFPBRC_BAD_LEN;
+static enum ofperr
+parse_ofp15_group_bucket_prop_watch(const struct ofpbuf *payload,
+ ovs_be32 *watch)
+{
+ struct ofp15_group_bucket_prop_watch *prop = payload->data;
+
+ if (payload->size != sizeof *prop) {
+ log_property(false, "OpenFlow bucket watch port or group "
+ "property length %u is not valid", payload->size);
+ return OFPERR_OFPBPC_BAD_LEN;
}
- return ofputil_pull_buckets(msg, length - sizeof *ogds, version,
- &gd->buckets);
+ *watch = prop->watch;
+
+ return 0;
}
-/* Converts abstract group mod 'gm' into a message for OpenFlow version
- * 'ofp_version' and returns the message. */
-struct ofpbuf *
-ofputil_encode_group_mod(enum ofp_version ofp_version,
- const struct ofputil_group_mod *gm)
+static enum ofperr
+ofputil_pull_ofp15_buckets(struct ofpbuf *msg, size_t buckets_length,
+ enum ofp_version version, uint8_t group_type,
+ struct ovs_list *buckets)
{
- struct ofpbuf *b;
- struct ofp11_group_mod *ogm;
- size_t start_ogm;
- size_t start_bucket;
- struct ofputil_bucket *bucket;
- struct ofp11_bucket *ob;
+ struct ofp15_bucket *ob;
- switch (ofp_version) {
- case OFP10_VERSION: {
- if (gm->command == OFPGC11_ADD) {
- ovs_fatal(0, "add-group needs OpenFlow 1.1 or later "
- "(\'-O OpenFlow11\')");
- } else if (gm->command == OFPGC11_MODIFY) {
- ovs_fatal(0, "mod-group needs OpenFlow 1.1 or later "
- "(\'-O OpenFlow11\')");
- } else {
- ovs_fatal(0, "del-groups needs OpenFlow 1.1 or later "
- "(\'-O OpenFlow11\')");
- }
- }
+ list_init(buckets);
+ while (buckets_length > 0) {
+ struct ofputil_bucket *bucket = NULL;
+ struct ofpbuf ofpacts;
+ enum ofperr err = OFPERR_OFPGMFC_BAD_BUCKET;
+ struct ofpbuf properties;
+ size_t ob_len, actions_len, properties_len;
+ ovs_be32 watch_port = ofputil_port_to_ofp11(OFPP_ANY);
+ ovs_be32 watch_group = htonl(OFPG_ANY);
+ ovs_be16 weight = htons(group_type == OFPGT11_SELECT ? 1 : 0);
- case OFP11_VERSION:
- case OFP12_VERSION:
- case OFP13_VERSION:
- case OFP14_VERSION:
- case OFP15_VERSION:
- b = ofpraw_alloc(OFPRAW_OFPT11_GROUP_MOD, ofp_version, 0);
- start_ogm = ofpbuf_size(b);
- ofpbuf_put_zeros(b, sizeof *ogm);
-
- LIST_FOR_EACH (bucket, list_node, &gm->buckets) {
- 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(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);
+ ofpbuf_init(&ofpacts, 0);
+
+ ob = ofpbuf_try_pull(msg, sizeof *ob);
+ if (!ob) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "buckets end with %"PRIuSIZE
+ " leftover bytes", buckets_length);
+ goto err;
}
- ogm = ofpbuf_at_assert(b, start_ogm, sizeof *ogm);
- ogm->command = htons(gm->command);
- ogm->type = gm->type;
- ogm->group_id = htonl(gm->group_id);
- break;
+ ob_len = ntohs(ob->len);
+ actions_len = ntohs(ob->action_array_len);
- default:
- OVS_NOT_REACHED();
+ if (ob_len < sizeof *ob) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OpenFlow message bucket length "
+ "%"PRIuSIZE" is not valid", ob_len);
+ goto err;
+ } else if (ob_len > buckets_length) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OpenFlow message bucket length "
+ "%"PRIuSIZE" exceeds remaining buckets data size %"
+ PRIuSIZE, ob_len, buckets_length);
+ goto err;
+ } else if (actions_len > ob_len - sizeof *ob) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OpenFlow message bucket actions "
+ "length %"PRIuSIZE" exceeds remaining bucket "
+ "data size %"PRIuSIZE, actions_len,
+ ob_len - sizeof *ob);
+ goto err;
+ }
+ buckets_length -= ob_len;
+
+ err = ofpacts_pull_openflow_actions(msg, actions_len, version,
+ &ofpacts);
+ if (err) {
+ goto err;
+ }
+
+ properties_len = ob_len - sizeof *ob - actions_len;
+ ofpbuf_use_const(&properties, ofpbuf_pull(msg, properties_len),
+ properties_len);
+
+ while (properties.size > 0) {
+ struct ofpbuf payload;
+ uint16_t type;
+
+ err = ofputil_pull_property(&properties, &payload, &type);
+ if (err) {
+ goto err;
+ }
+
+ switch (type) {
+ case OFPGBPT15_WEIGHT:
+ err = parse_ofp15_group_bucket_prop_weight(&payload, &weight);
+ break;
+
+ case OFPGBPT15_WATCH_PORT:
+ err = parse_ofp15_group_bucket_prop_watch(&payload,
+ &watch_port);
+ break;
+
+ case OFPGBPT15_WATCH_GROUP:
+ err = parse_ofp15_group_bucket_prop_watch(&payload,
+ &watch_group);
+ break;
+
+ default:
+ log_property(false, "unknown group bucket property %"PRIu16,
+ type);
+ err = OFPERR_OFPBPC_BAD_TYPE;
+ break;
+ }
+
+ if (err) {
+ goto err;
+ }
+ }
+
+ bucket = xzalloc(sizeof *bucket);
+
+ bucket->weight = ntohs(weight);
+ err = ofputil_port_from_ofp11(watch_port, &bucket->watch_port);
+ if (err) {
+ err = OFPERR_OFPGMFC_BAD_WATCH;
+ goto err;
+ }
+ bucket->watch_group = ntohl(watch_group);
+ bucket->bucket_id = ntohl(ob->bucket_id);
+ if (bucket->bucket_id > OFPG15_BUCKET_MAX) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "bucket id (%u) is out of range",
+ bucket->bucket_id);
+ err = OFPERR_OFPGMFC_BAD_BUCKET;
+ goto err;
+ }
+
+ bucket->ofpacts = ofpbuf_steal_data(&ofpacts);
+ bucket->ofpacts_len = ofpacts.size;
+ list_push_back(buckets, &bucket->list_node);
+
+ continue;
+
+ err:
+ free(bucket);
+ ofpbuf_uninit(&ofpacts);
+ ofputil_bucket_list_destroy(buckets);
+ return err;
+ }
+
+ if (ofputil_bucket_check_duplicate_id(buckets)) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "Duplicate bucket id");
+ ofputil_bucket_list_destroy(buckets);
+ return OFPERR_OFPGMFC_BAD_BUCKET;
+ }
+
+ return 0;
+}
+
+static void
+ofputil_init_group_properties(struct ofputil_group_props *gp)
+{
+ memset(gp, 0, sizeof *gp);
+}
+
+static enum ofperr
+parse_group_prop_ntr_selection_method(struct ofpbuf *payload,
+ enum ofp11_group_type group_type,
+ enum ofp15_group_mod_command group_cmd,
+ struct ofputil_group_props *gp)
+{
+ struct ntr_group_prop_selection_method *prop = payload->data;
+ size_t fields_len, method_len;
+ enum ofperr error;
+
+ switch (group_type) {
+ case OFPGT11_SELECT:
+ break;
+ case OFPGT11_ALL:
+ case OFPGT11_INDIRECT:
+ case OFPGT11_FF:
+ log_property(false, "ntr selection method property is only allowed "
+ "for select groups");
+ return OFPERR_OFPBPC_BAD_VALUE;
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ switch (group_cmd) {
+ case OFPGC15_ADD:
+ case OFPGC15_MODIFY:
+ break;
+ case OFPGC15_DELETE:
+ case OFPGC15_INSERT_BUCKET:
+ case OFPGC15_REMOVE_BUCKET:
+ log_property(false, "ntr selection method property is only allowed "
+ "for add and delete group modifications");
+ return OFPERR_OFPBPC_BAD_VALUE;
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ if (payload->size < sizeof *prop) {
+ log_property(false, "ntr selection method property length "
+ "%u is not valid", payload->size);
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ method_len = strnlen(prop->selection_method, NTR_MAX_SELECTION_METHOD_LEN);
+
+ if (method_len == NTR_MAX_SELECTION_METHOD_LEN) {
+ log_property(false, "ntr selection method is not null terminated");
+ return OFPERR_OFPBPC_BAD_VALUE;
+ }
+
+ if (strcmp("hash", prop->selection_method)) {
+ log_property(false, "ntr selection method '%s' is not supported",
+ prop->selection_method);
+ return OFPERR_OFPBPC_BAD_VALUE;
+ }
+
+ strcpy(gp->selection_method, prop->selection_method);
+ gp->selection_method_param = ntohll(prop->selection_method_param);
+
+ if (!method_len && gp->selection_method_param) {
+ log_property(false, "ntr selection method parameter is non-zero but "
+ "selection method is empty");
+ return OFPERR_OFPBPC_BAD_VALUE;
+ }
+
+ ofpbuf_pull(payload, sizeof *prop);
+
+ fields_len = ntohs(prop->length) - sizeof *prop;
+ if (!method_len && fields_len) {
+ log_property(false, "ntr selection method parameter is zero "
+ "but fields are provided");
+ return OFPERR_OFPBPC_BAD_VALUE;
+ }
+
+ error = oxm_pull_field_array(payload->data, fields_len,
+ &gp->fields);
+ if (error) {
+ log_property(false, "ntr selection method fields are invalid");
+ return error;
+ }
+
+ return 0;
+}
+
+static enum ofperr
+parse_group_prop_ntr(struct ofpbuf *payload, uint32_t exp_type,
+ enum ofp11_group_type group_type,
+ enum ofp15_group_mod_command group_cmd,
+ struct ofputil_group_props *gp)
+{
+ enum ofperr error;
+
+ switch (exp_type) {
+ case NTRT_SELECTION_METHOD:
+ error = parse_group_prop_ntr_selection_method(payload, group_type,
+ group_cmd, gp);
+ break;
+
+ default:
+ log_property(false, "unknown group property ntr experimenter type "
+ "%"PRIu32, exp_type);
+ error = OFPERR_OFPBPC_BAD_TYPE;
+ break;
+ }
+
+ return error;
+}
+
+static enum ofperr
+parse_ofp15_group_prop_exp(struct ofpbuf *payload,
+ enum ofp11_group_type group_type,
+ enum ofp15_group_mod_command group_cmd,
+ struct ofputil_group_props *gp)
+{
+ struct ofp_prop_experimenter *prop = payload->data;
+ uint16_t experimenter;
+ uint32_t exp_type;
+ enum ofperr error;
+
+ if (payload->size < sizeof *prop) {
+ return OFPERR_OFPBPC_BAD_LEN;
+ }
+
+ experimenter = ntohl(prop->experimenter);
+ exp_type = ntohl(prop->exp_type);
+
+ switch (experimenter) {
+ case NTR_VENDOR_ID:
+ case NTR_COMPAT_VENDOR_ID:
+ error = parse_group_prop_ntr(payload, exp_type, group_type,
+ group_cmd, gp);
+ break;
+
+ default:
+ log_property(false, "unknown group property experimenter %"PRIu16,
+ experimenter);
+ error = OFPERR_OFPBPC_BAD_EXPERIMENTER;
+ break;
+ }
+
+ return error;
+}
+
+static enum ofperr
+parse_ofp15_group_properties(struct ofpbuf *msg,
+ enum ofp11_group_type group_type,
+ enum ofp15_group_mod_command group_cmd,
+ struct ofputil_group_props *gp,
+ size_t properties_len)
+{
+ struct ofpbuf properties;
+
+ ofpbuf_use_const(&properties, ofpbuf_pull(msg, properties_len),
+ properties_len);
+
+ while (properties.size > 0) {
+ struct ofpbuf payload;
+ enum ofperr error;
+ uint16_t type;
+
+ error = ofputil_pull_property(&properties, &payload, &type);
+ if (error) {
+ return error;
+ }
+
+ switch (type) {
+ case OFPGPT15_EXPERIMENTER:
+ error = parse_ofp15_group_prop_exp(&payload, group_type,
+ group_cmd, gp);
+ break;
+
+ default:
+ log_property(false, "unknown group property %"PRIu16, type);
+ error = OFPERR_OFPBPC_BAD_TYPE;
+ break;
+ }
+
+ if (error) {
+ return error;
+ }
+ }
+
+ return 0;
+}
+
+static int
+ofputil_decode_ofp11_group_desc_reply(struct ofputil_group_desc *gd,
+ struct ofpbuf *msg,
+ enum ofp_version version)
+{
+ struct ofp11_group_desc_stats *ogds;
+ size_t length;
+
+ if (!msg->header) {
+ ofpraw_pull_assert(msg);
+ }
+
+ if (!msg->size) {
+ return EOF;
+ }
+
+ ogds = ofpbuf_try_pull(msg, sizeof *ogds);
+ if (!ogds) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply has %"PRIu32" "
+ "leftover bytes at end", msg->size);
+ 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) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply claims invalid "
+ "length %"PRIuSIZE, length);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ return ofputil_pull_ofp11_buckets(msg, length - sizeof *ogds, version,
+ &gd->buckets);
+}
+
+static int
+ofputil_decode_ofp15_group_desc_reply(struct ofputil_group_desc *gd,
+ struct ofpbuf *msg,
+ enum ofp_version version)
+{
+ struct ofp15_group_desc_stats *ogds;
+ uint16_t length, bucket_list_len;
+ int error;
+
+ if (!msg->header) {
+ ofpraw_pull_assert(msg);
+ }
+
+ if (!msg->size) {
+ return EOF;
+ }
+
+ ogds = ofpbuf_try_pull(msg, sizeof *ogds);
+ if (!ogds) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply has %"PRIu32" "
+ "leftover bytes at end", msg->size);
+ 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) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply claims invalid "
+ "length %u", length);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ bucket_list_len = ntohs(ogds->bucket_list_len);
+ if (length < bucket_list_len + sizeof *ogds) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply claims invalid "
+ "bucket list length %u", bucket_list_len);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ error = ofputil_pull_ofp15_buckets(msg, bucket_list_len, version, gd->type,
+ &gd->buckets);
+ if (error) {
+ return error;
+ }
+
+ /* By definition group desc messages don't have a group mod command.
+ * However, parse_group_prop_ntr_selection_method() checks to make sure
+ * that the command is OFPGC15_ADD or OFPGC15_DELETE to guard
+ * against group mod messages with other commands supplying
+ * a NTR selection method group experimenter property.
+ * Such properties are valid for group desc replies so
+ * claim that the group mod command is OFPGC15_ADD to
+ * satisfy the check in parse_group_prop_ntr_selection_method() */
+ return parse_ofp15_group_properties(msg, gd->type, OFPGC15_ADD, &gd->props,
+ msg->size);
+}
+
+/* Converts a group description reply in 'msg' into an abstract
+ * ofputil_group_desc in 'gd'.
+ *
+ * Multiple group description replies can be packed into a single OpenFlow
+ * message. Calling this function multiple times for a single 'msg' iterates
+ * through the replies. The caller must initially leave 'msg''s layer pointers
+ * null and not modify them between calls.
+ *
+ * Returns 0 if successful, EOF if no replies were left in this 'msg',
+ * otherwise a positive errno value. */
+int
+ofputil_decode_group_desc_reply(struct ofputil_group_desc *gd,
+ struct ofpbuf *msg, enum ofp_version version)
+{
+ ofputil_init_group_properties(&gd->props);
+
+ switch (version)
+ {
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ return ofputil_decode_ofp11_group_desc_reply(gd, msg, version);
+
+ case OFP15_VERSION:
+ return ofputil_decode_ofp15_group_desc_reply(gd, msg, version);
+
+ case OFP10_VERSION:
+ default:
+ OVS_NOT_REACHED();
+ }
+}
+
+void
+ofputil_uninit_group_mod(struct ofputil_group_mod *gm)
+{
+ ofputil_bucket_list_destroy(&gm->buckets);
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp11_group_mod(enum ofp_version ofp_version,
+ const struct ofputil_group_mod *gm)
+{
+ struct ofpbuf *b;
+ struct ofp11_group_mod *ogm;
+ size_t start_ogm;
+ struct ofputil_bucket *bucket;
+
+ b = ofpraw_alloc(OFPRAW_OFPT11_GROUP_MOD, ofp_version, 0);
+ start_ogm = b->size;
+ ofpbuf_put_zeros(b, sizeof *ogm);
+
+ LIST_FOR_EACH (bucket, list_node, &gm->buckets) {
+ ofputil_put_ofp11_bucket(bucket, b, ofp_version);
+ }
+ ogm = ofpbuf_at_assert(b, start_ogm, sizeof *ogm);
+ ogm->command = htons(gm->command);
+ ogm->type = gm->type;
+ ogm->group_id = htonl(gm->group_id);
+
+ return b;
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp15_group_mod(enum ofp_version ofp_version,
+ const struct ofputil_group_mod *gm)
+{
+ struct ofpbuf *b;
+ struct ofp15_group_mod *ogm;
+ size_t start_ogm;
+ struct ofputil_bucket *bucket;
+ struct id_pool *bucket_ids = NULL;
+
+ b = ofpraw_alloc(OFPRAW_OFPT15_GROUP_MOD, ofp_version, 0);
+ start_ogm = b->size;
+ ofpbuf_put_zeros(b, sizeof *ogm);
+
+ LIST_FOR_EACH (bucket, list_node, &gm->buckets) {
+ uint32_t bucket_id;
+
+ /* Generate a bucket id if none was supplied */
+ if (bucket->bucket_id > OFPG15_BUCKET_MAX) {
+ if (!bucket_ids) {
+ const struct ofputil_bucket *bkt;
+
+ bucket_ids = id_pool_create(0, OFPG15_BUCKET_MAX + 1);
+
+ /* Mark all bucket_ids that are present in gm
+ * as used in the pool. */
+ LIST_FOR_EACH_REVERSE (bkt, list_node, &gm->buckets) {
+ if (bkt == bucket) {
+ break;
+ }
+ if (bkt->bucket_id <= OFPG15_BUCKET_MAX) {
+ id_pool_add(bucket_ids, bkt->bucket_id);
+ }
+ }
+ }
+
+ if (!id_pool_alloc_id(bucket_ids, &bucket_id)) {
+ OVS_NOT_REACHED();
+ }
+ } else {
+ bucket_id = bucket->bucket_id;
+ }
+
+ ofputil_put_ofp15_bucket(bucket, bucket_id, gm->type, b, ofp_version);
+ }
+ ogm = ofpbuf_at_assert(b, start_ogm, sizeof *ogm);
+ ogm->command = htons(gm->command);
+ ogm->type = gm->type;
+ ogm->group_id = htonl(gm->group_id);
+ ogm->command_bucket_id = htonl(gm->command_bucket_id);
+ ogm->bucket_array_len = htons(b->size - start_ogm - sizeof *ogm);
+
+ /* Add group properties */
+ if (gm->props.selection_method[0]) {
+ ofputil_put_group_prop_ntr_selection_method(ofp_version, &gm->props, b);
+ }
+
+ id_pool_destroy(bucket_ids);
+ return b;
+}
+
+static void
+bad_group_cmd(enum ofp15_group_mod_command cmd)
+{
+ const char *opt_version;
+ const char *version;
+ const char *cmd_str;
+
+ switch (cmd) {
+ case OFPGC15_ADD:
+ case OFPGC15_MODIFY:
+ case OFPGC15_DELETE:
+ version = "1.1";
+ opt_version = "11";
+ break;
+
+ case OFPGC15_INSERT_BUCKET:
+ case OFPGC15_REMOVE_BUCKET:
+ version = "1.5";
+ opt_version = "15";
+ break;
+
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ switch (cmd) {
+ case OFPGC15_ADD:
+ cmd_str = "add-group";
+ break;
+
+ case OFPGC15_MODIFY:
+ cmd_str = "mod-group";
+ break;
+
+ case OFPGC15_DELETE:
+ cmd_str = "del-group";
+ break;
+
+ case OFPGC15_INSERT_BUCKET:
+ cmd_str = "insert-bucket";
+ break;
+
+ case OFPGC15_REMOVE_BUCKET:
+ cmd_str = "remove-bucket";
+ break;
+
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ ovs_fatal(0, "%s needs OpenFlow %s or later (\'-O OpenFlow%s\')",
+ cmd_str, version, opt_version);
+
+}
+
+/* Converts abstract group mod 'gm' into a message for OpenFlow version
+ * 'ofp_version' and returns the message. */
+struct ofpbuf *
+ofputil_encode_group_mod(enum ofp_version ofp_version,
+ const struct ofputil_group_mod *gm)
+{
+
+ switch (ofp_version) {
+ case OFP10_VERSION:
+ bad_group_cmd(gm->command);
+
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ if (gm->command > OFPGC11_DELETE) {
+ bad_group_cmd(gm->command);
+ }
+ return ofputil_encode_ofp11_group_mod(ofp_version, gm);
+
+ case OFP15_VERSION:
+ return ofputil_encode_ofp15_group_mod(ofp_version, gm);
+
+ default:
+ OVS_NOT_REACHED();
+ }
+}
+
+static enum ofperr
+ofputil_pull_ofp11_group_mod(struct ofpbuf *msg, enum ofp_version ofp_version,
+ struct ofputil_group_mod *gm)
+{
+ const struct ofp11_group_mod *ogm;
+ enum ofperr error;
+
+ ogm = ofpbuf_pull(msg, sizeof *ogm);
+ gm->command = ntohs(ogm->command);
+ gm->type = ogm->type;
+ gm->group_id = ntohl(ogm->group_id);
+ gm->command_bucket_id = OFPG15_BUCKET_ALL;
+
+ error = ofputil_pull_ofp11_buckets(msg, msg->size, ofp_version,
+ &gm->buckets);
+
+ /* OF1.3.5+ prescribes an error when an OFPGC_DELETE includes buckets. */
+ if (!error
+ && ofp_version >= OFP13_VERSION
+ && gm->command == OFPGC11_DELETE
+ && !list_is_empty(&gm->buckets)) {
+ error = OFPERR_OFPGMFC_INVALID_GROUP;
+ }
+
+ return error;
+}
+
+static enum ofperr
+ofputil_pull_ofp15_group_mod(struct ofpbuf *msg, enum ofp_version ofp_version,
+ struct ofputil_group_mod *gm)
+{
+ const struct ofp15_group_mod *ogm;
+ uint16_t bucket_list_len;
+ enum ofperr error = OFPERR_OFPGMFC_BAD_BUCKET;
+
+ ogm = ofpbuf_pull(msg, sizeof *ogm);
+ gm->command = ntohs(ogm->command);
+ gm->type = ogm->type;
+ gm->group_id = ntohl(ogm->group_id);
+
+ gm->command_bucket_id = ntohl(ogm->command_bucket_id);
+ switch (gm->command) {
+ case OFPGC15_REMOVE_BUCKET:
+ if (gm->command_bucket_id == OFPG15_BUCKET_ALL) {
+ error = 0;
+ }
+ /* Fall through */
+ case OFPGC15_INSERT_BUCKET:
+ if (gm->command_bucket_id <= OFPG15_BUCKET_MAX ||
+ gm->command_bucket_id == OFPG15_BUCKET_FIRST
+ || gm->command_bucket_id == OFPG15_BUCKET_LAST) {
+ error = 0;
+ }
+ break;
+
+ case OFPGC11_ADD:
+ case OFPGC11_MODIFY:
+ case OFPGC11_DELETE:
+ default:
+ if (gm->command_bucket_id == OFPG15_BUCKET_ALL) {
+ error = 0;
+ }
+ break;
+ }
+ if (error) {
+ VLOG_WARN_RL(&bad_ofmsg_rl,
+ "group command bucket id (%u) is out of range",
+ gm->command_bucket_id);
+ return OFPERR_OFPGMFC_BAD_BUCKET;
+ }
+
+ bucket_list_len = ntohs(ogm->bucket_array_len);
+ error = ofputil_pull_ofp15_buckets(msg, bucket_list_len, ofp_version,
+ gm->type, &gm->buckets);
+ if (error) {
+ return error;
}
- return b;
+ return parse_ofp15_group_properties(msg, gm->type, gm->command, &gm->props,
+ msg->size);
}
/* Converts OpenFlow group mod message 'oh' into an abstract group mod in
ofputil_decode_group_mod(const struct ofp_header *oh,
struct ofputil_group_mod *gm)
{
- const struct ofp11_group_mod *ogm;
+ enum ofp_version ofp_version = oh->version;
struct ofpbuf msg;
struct ofputil_bucket *bucket;
enum ofperr err;
ofpbuf_use_const(&msg, oh, ntohs(oh->length));
ofpraw_pull_assert(&msg);
- ogm = ofpbuf_pull(&msg, sizeof *ogm);
- gm->command = ntohs(ogm->command);
- gm->type = ogm->type;
- gm->group_id = ntohl(ogm->group_id);
+ ofputil_init_group_properties(&gm->props);
+
+ switch (ofp_version)
+ {
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ err = ofputil_pull_ofp11_group_mod(&msg, ofp_version, gm);
+ break;
+
+ case OFP15_VERSION:
+ err = ofputil_pull_ofp15_group_mod(&msg, ofp_version, gm);
+ break;
+
+ case OFP10_VERSION:
+ default:
+ OVS_NOT_REACHED();
+ }
- 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();
+ }
+
+ switch (gm->command) {
+ case OFPGC11_ADD:
+ case OFPGC11_MODIFY:
+ case OFPGC11_DELETE:
+ case OFPGC15_INSERT_BUCKET:
+ break;
+ case OFPGC15_REMOVE_BUCKET:
+ if (!list_is_empty(&gm->buckets)) {
+ return OFPERR_OFPGMFC_BAD_BUCKET;
+ }
+ break;
+ default:
+ OVS_NOT_REACHED();
+ }
+
LIST_FOR_EACH (bucket, list_node, &gm->buckets) {
+ if (bucket->weight && gm->type != OFPGT11_SELECT) {
+ return OFPERR_OFPGMFC_INVALID_GROUP;
+ }
+
switch (gm->type) {
case OFPGT11_ALL:
case OFPGT11_INDIRECT:
}
}
-/* Encode a queue statsrequest for 'oqsr', the encoded message
- * will be fore Open Flow version 'ofp_version'. Returns message
- * as a struct ofpbuf. Returns encoded message on success, NULL on error */
+/* Encode a queue stats request for 'oqsr', the encoded message
+ * will be for OpenFlow version 'ofp_version'. Returns message
+ * as a struct ofpbuf. Returns encoded message on success, NULL on error. */
struct ofpbuf *
ofputil_encode_queue_stats_request(enum ofp_version ofp_version,
const struct ofputil_queue_stats_request *oqsr)
}
len = ntohs(qs14->length);
- if (len < sizeof *qs14 || len - sizeof *qs14 > ofpbuf_size(msg)) {
+ if (len < sizeof *qs14 || len - sizeof *qs14 > msg->size) {
return OFPERR_OFPBRC_BAD_LEN;
}
ofpbuf_pull(msg, len - sizeof *qs14);
enum ofperr error;
enum ofpraw raw;
- error = (msg->frame
- ? ofpraw_decode(&raw, msg->frame)
+ error = (msg->header ? ofpraw_decode(&raw, msg->header)
: ofpraw_pull(&raw, msg));
if (error) {
return error;
}
- if (!ofpbuf_size(msg)) {
+ if (!msg->size) {
return EOF;
} else if (raw == OFPRAW_OFPST14_QUEUE_REPLY) {
return ofputil_pull_ofp14_queue_stats(qs, msg);
bad_len:
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %"PRIu32" leftover "
- "bytes at end", ofpbuf_size(msg));
+ "bytes at end", msg->size);
return OFPERR_OFPBRC_BAD_LEN;
}
/* Encode a queue stat for 'oqs' and append it to 'replies'. */
void
-ofputil_append_queue_stat(struct list *replies,
+ofputil_append_queue_stat(struct ovs_list *replies,
const struct ofputil_queue_stats *oqs)
{
switch (ofpmp_version(replies)) {
raw = ofpraw_pull_assert(&b);
ovs_assert(raw == OFPRAW_OFPT14_BUNDLE_CONTROL);
- m = ofpbuf_l3(&b);
+ m = b.msg;
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_request(enum ofp_version ofp_version,
+ struct ofputil_bundle_ctrl_msg *bc)
+{
+ struct ofpbuf *request;
+ struct ofp14_bundle_ctrl_msg *m;
+
+ switch (ofp_version) {
+ case OFP10_VERSION:
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION:
+ ovs_fatal(0, "bundles need OpenFlow 1.4 or later "
+ "(\'-O OpenFlow14\')");
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ request = ofpraw_alloc(OFPRAW_OFPT14_BUNDLE_CONTROL, ofp_version, 0);
+ m = ofpbuf_put_zeros(request, sizeof *m);
+
+ m->bundle_id = htonl(bc->bundle_id);
+ m->type = htons(bc->type);
+ m->flags = htons(bc->flags);
+ break;
+ default:
+ OVS_NOT_REACHED();
+ }
+
+ return request;
+}
+
struct ofpbuf *
ofputil_encode_bundle_ctrl_reply(const struct ofp_header *oh,
struct ofputil_bundle_ctrl_msg *msg)
return buf;
}
+/* Return true for bundlable state change requests, false for other messages.
+ */
+static bool
+ofputil_is_bundlable(enum ofptype type)
+{
+ switch (type) {
+ /* Minimum required by OpenFlow 1.4. */
+ case OFPTYPE_PORT_MOD:
+ case OFPTYPE_FLOW_MOD:
+ return true;
+
+ /* Nice to have later. */
+ case OFPTYPE_FLOW_MOD_TABLE_ID:
+ case OFPTYPE_GROUP_MOD:
+ case OFPTYPE_TABLE_MOD:
+ case OFPTYPE_METER_MOD:
+ case OFPTYPE_PACKET_OUT:
+ case OFPTYPE_NXT_GENEVE_TABLE_MOD:
+
+ /* Not to be bundlable. */
+ case OFPTYPE_ECHO_REQUEST:
+ case OFPTYPE_FEATURES_REQUEST:
+ case OFPTYPE_GET_CONFIG_REQUEST:
+ case OFPTYPE_SET_CONFIG:
+ case OFPTYPE_BARRIER_REQUEST:
+ case OFPTYPE_ROLE_REQUEST:
+ case OFPTYPE_ECHO_REPLY:
+ case OFPTYPE_SET_FLOW_FORMAT:
+ case OFPTYPE_SET_PACKET_IN_FORMAT:
+ case OFPTYPE_SET_CONTROLLER_ID:
+ case OFPTYPE_FLOW_AGE:
+ case OFPTYPE_FLOW_MONITOR_CANCEL:
+ case OFPTYPE_SET_ASYNC_CONFIG:
+ case OFPTYPE_GET_ASYNC_REQUEST:
+ case OFPTYPE_DESC_STATS_REQUEST:
+ case OFPTYPE_FLOW_STATS_REQUEST:
+ case OFPTYPE_AGGREGATE_STATS_REQUEST:
+ case OFPTYPE_TABLE_STATS_REQUEST:
+ case OFPTYPE_TABLE_FEATURES_STATS_REQUEST:
+ case OFPTYPE_TABLE_DESC_REQUEST:
+ case OFPTYPE_PORT_STATS_REQUEST:
+ case OFPTYPE_QUEUE_STATS_REQUEST:
+ case OFPTYPE_PORT_DESC_STATS_REQUEST:
+ case OFPTYPE_FLOW_MONITOR_STATS_REQUEST:
+ case OFPTYPE_METER_STATS_REQUEST:
+ case OFPTYPE_METER_CONFIG_STATS_REQUEST:
+ case OFPTYPE_METER_FEATURES_STATS_REQUEST:
+ case OFPTYPE_GROUP_STATS_REQUEST:
+ case OFPTYPE_GROUP_DESC_STATS_REQUEST:
+ case OFPTYPE_GROUP_FEATURES_STATS_REQUEST:
+ case OFPTYPE_QUEUE_GET_CONFIG_REQUEST:
+ case OFPTYPE_BUNDLE_CONTROL:
+ case OFPTYPE_BUNDLE_ADD_MESSAGE:
+ case OFPTYPE_HELLO:
+ case OFPTYPE_ERROR:
+ case OFPTYPE_FEATURES_REPLY:
+ case OFPTYPE_GET_CONFIG_REPLY:
+ case OFPTYPE_PACKET_IN:
+ case OFPTYPE_FLOW_REMOVED:
+ case OFPTYPE_PORT_STATUS:
+ case OFPTYPE_BARRIER_REPLY:
+ case OFPTYPE_QUEUE_GET_CONFIG_REPLY:
+ case OFPTYPE_DESC_STATS_REPLY:
+ case OFPTYPE_FLOW_STATS_REPLY:
+ case OFPTYPE_QUEUE_STATS_REPLY:
+ case OFPTYPE_PORT_STATS_REPLY:
+ case OFPTYPE_TABLE_STATS_REPLY:
+ case OFPTYPE_AGGREGATE_STATS_REPLY:
+ case OFPTYPE_PORT_DESC_STATS_REPLY:
+ case OFPTYPE_ROLE_REPLY:
+ case OFPTYPE_FLOW_MONITOR_PAUSED:
+ case OFPTYPE_FLOW_MONITOR_RESUMED:
+ case OFPTYPE_FLOW_MONITOR_STATS_REPLY:
+ case OFPTYPE_GET_ASYNC_REPLY:
+ case OFPTYPE_GROUP_STATS_REPLY:
+ case OFPTYPE_GROUP_DESC_STATS_REPLY:
+ case OFPTYPE_GROUP_FEATURES_STATS_REPLY:
+ case OFPTYPE_METER_STATS_REPLY:
+ case OFPTYPE_METER_CONFIG_STATS_REPLY:
+ case OFPTYPE_METER_FEATURES_STATS_REPLY:
+ case OFPTYPE_TABLE_FEATURES_STATS_REPLY:
+ case OFPTYPE_TABLE_DESC_REPLY:
+ case OFPTYPE_ROLE_STATUS:
+ case OFPTYPE_REQUESTFORWARD:
+ case OFPTYPE_NXT_GENEVE_TABLE_REQUEST:
+ case OFPTYPE_NXT_GENEVE_TABLE_REPLY:
+ break;
+ }
+
+ return false;
+}
+
enum ofperr
ofputil_decode_bundle_add(const struct ofp_header *oh,
- struct ofputil_bundle_add_msg *msg)
+ struct ofputil_bundle_add_msg *msg,
+ enum ofptype *type_ptr)
{
const struct ofp14_bundle_ctrl_msg *m;
struct ofpbuf b;
enum ofpraw raw;
size_t inner_len;
+ enum ofperr error;
+ enum ofptype type;
ofpbuf_use_const(&b, oh, ntohs(oh->length));
raw = ofpraw_pull_assert(&b);
msg->bundle_id = ntohl(m->bundle_id);
msg->flags = ntohs(m->flags);
- msg->msg = ofpbuf_data(&b);
+ msg->msg = b.data;
+ if (msg->msg->version != oh->version) {
+ return OFPERR_NXBFC_BAD_VERSION;
+ }
inner_len = ntohs(msg->msg->length);
- if (inner_len < sizeof(struct ofp_header) || inner_len > ofpbuf_size(&b)) {
+ if (inner_len < sizeof(struct ofp_header) || inner_len > b.size) {
return OFPERR_OFPBFC_MSG_BAD_LEN;
}
+ if (msg->msg->xid != oh->xid) {
+ return OFPERR_OFPBFC_MSG_BAD_XID;
+ }
+
+ /* Reject unbundlable messages. */
+ if (!type_ptr) {
+ type_ptr = &type;
+ }
+ error = ofptype_decode(type_ptr, msg->msg);
+ if (error) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPT14_BUNDLE_ADD_MESSAGE contained "
+ "message is unparsable (%s)", ofperr_get_name(error));
+ return OFPERR_OFPBFC_MSG_UNSUP; /* 'error' would be confusing. */
+ }
+
+ if (!ofputil_is_bundlable(*type_ptr)) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "%s message not allowed inside "
+ "OFPT14_BUNDLE_ADD_MESSAGE", ofptype_get_name(*type_ptr));
+ return OFPERR_OFPBFC_MSG_UNSUP;
+ }
return 0;
}
struct ofpbuf *request;
struct ofp14_bundle_ctrl_msg *m;
- request = ofpraw_alloc(OFPRAW_OFPT14_BUNDLE_ADD_MESSAGE, ofp_version, 0);
+ /* Must use the same xid as the embedded message. */
+ request = ofpraw_alloc_xid(OFPRAW_OFPT14_BUNDLE_ADD_MESSAGE, ofp_version,
+ msg->msg->xid, 0);
m = ofpbuf_put_zeros(request, sizeof *m);
m->bundle_id = htonl(msg->bundle_id);
return request;
}
+
+static void
+encode_geneve_table_mappings(struct ofpbuf *b, struct ovs_list *mappings)
+{
+ struct ofputil_geneve_map *map;
+
+ LIST_FOR_EACH (map, list_node, mappings) {
+ struct nx_geneve_map *nx_map;
+
+ nx_map = ofpbuf_put_zeros(b, sizeof *nx_map);
+ nx_map->option_class = htons(map->option_class);
+ nx_map->option_type = map->option_type;
+ nx_map->option_len = map->option_len;
+ nx_map->index = htons(map->index);
+ }
+}
+
+struct ofpbuf *
+ofputil_encode_geneve_table_mod(enum ofp_version ofp_version,
+ struct ofputil_geneve_table_mod *gtm)
+{
+ struct ofpbuf *b;
+ struct nx_geneve_table_mod *nx_gtm;
+
+ b = ofpraw_alloc(OFPRAW_NXT_GENEVE_TABLE_MOD, ofp_version, 0);
+ nx_gtm = ofpbuf_put_zeros(b, sizeof *nx_gtm);
+ nx_gtm->command = htons(gtm->command);
+ encode_geneve_table_mappings(b, >m->mappings);
+
+ return b;
+}
+
+static enum ofperr
+decode_geneve_table_mappings(struct ofpbuf *msg, unsigned int max_fields,
+ struct ovs_list *mappings)
+{
+ list_init(mappings);
+
+ while (msg->size) {
+ struct nx_geneve_map *nx_map;
+ struct ofputil_geneve_map *map;
+
+ nx_map = ofpbuf_pull(msg, sizeof *nx_map);
+ map = xmalloc(sizeof *map);
+ list_push_back(mappings, &map->list_node);
+
+ map->option_class = ntohs(nx_map->option_class);
+ map->option_type = nx_map->option_type;
+
+ map->option_len = nx_map->option_len;
+ if (map->option_len % 4 || map->option_len > GENEVE_MAX_OPT_SIZE) {
+ VLOG_WARN_RL(&bad_ofmsg_rl,
+ "geneve table option length (%u) is not a valid option size",
+ map->option_len);
+ ofputil_uninit_geneve_table(mappings);
+ return OFPERR_NXGTMFC_BAD_OPT_LEN;
+ }
+
+ map->index = ntohs(nx_map->index);
+ if (map->index >= max_fields) {
+ VLOG_WARN_RL(&bad_ofmsg_rl,
+ "geneve table field index (%u) is too large (max %u)",
+ map->index, max_fields - 1);
+ ofputil_uninit_geneve_table(mappings);
+ return OFPERR_NXGTMFC_BAD_FIELD_IDX;
+ }
+ }
+
+ return 0;
+}
+
+enum ofperr
+ofputil_decode_geneve_table_mod(const struct ofp_header *oh,
+ struct ofputil_geneve_table_mod *gtm)
+{
+ struct ofpbuf msg;
+ struct nx_geneve_table_mod *nx_gtm;
+
+ ofpbuf_use_const(&msg, oh, ntohs(oh->length));
+ ofpraw_pull_assert(&msg);
+
+ nx_gtm = ofpbuf_pull(&msg, sizeof *nx_gtm);
+ gtm->command = ntohs(nx_gtm->command);
+ if (gtm->command > NXGTMC_CLEAR) {
+ VLOG_WARN_RL(&bad_ofmsg_rl,
+ "geneve table mod command (%u) is out of range",
+ gtm->command);
+ return OFPERR_NXGTMFC_BAD_COMMAND;
+ }
+
+ return decode_geneve_table_mappings(&msg, TUN_METADATA_NUM_OPTS,
+ >m->mappings);
+}
+
+struct ofpbuf *
+ofputil_encode_geneve_table_reply(const struct ofp_header *oh,
+ struct ofputil_geneve_table_reply *gtr)
+{
+ struct ofpbuf *b;
+ struct nx_geneve_table_reply *nx_gtr;
+
+ b = ofpraw_alloc_reply(OFPRAW_NXT_GENEVE_TABLE_REPLY, oh, 0);
+ nx_gtr = ofpbuf_put_zeros(b, sizeof *nx_gtr);
+ nx_gtr->max_option_space = htonl(gtr->max_option_space);
+ nx_gtr->max_fields = htons(gtr->max_fields);
+
+ encode_geneve_table_mappings(b, >r->mappings);
+
+ return b;
+}
+
+/* Decodes the NXT_GENEVE_TABLE_REPLY message in 'oh' into '*gtr'. Returns 0
+ * if successful, otherwise an ofperr.
+ *
+ * The decoder verifies that the indexes in 'gtr->mappings' are less than
+ * 'gtr->max_fields', but the caller must ensure, if necessary, that they are
+ * less than TUN_METADATA_NUM_OPTS. */
+enum ofperr
+ofputil_decode_geneve_table_reply(const struct ofp_header *oh,
+ struct ofputil_geneve_table_reply *gtr)
+{
+ struct ofpbuf msg;
+ struct nx_geneve_table_reply *nx_gtr;
+
+ ofpbuf_use_const(&msg, oh, ntohs(oh->length));
+ ofpraw_pull_assert(&msg);
+
+ nx_gtr = ofpbuf_pull(&msg, sizeof *nx_gtr);
+ gtr->max_option_space = ntohl(nx_gtr->max_option_space);
+ gtr->max_fields = ntohs(nx_gtr->max_fields);
+
+ return decode_geneve_table_mappings(&msg, gtr->max_fields, >r->mappings);
+}
+
+void
+ofputil_uninit_geneve_table(struct ovs_list *mappings)
+{
+ struct ofputil_geneve_map *map;
+
+ LIST_FOR_EACH_POP (map, list_node, mappings) {
+ free(map);
+ }
+}
+
+/* Decodes the OpenFlow "set async config" request and "get async config
+ * reply" message in '*oh' into an abstract form in 'master' and 'slave'.
+ *
+ * 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.
+ *
+ * Returns 0 if successful, otherwise an OFPERR_* value. */
+enum ofperr
+ofputil_decode_set_async_config(const struct ofp_header *oh,
+ uint32_t master[OAM_N_TYPES],
+ uint32_t slave[OAM_N_TYPES],
+ bool loose)
+{
+ enum ofpraw raw;
+ struct ofpbuf b;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+
+ if (raw == OFPRAW_OFPT13_SET_ASYNC ||
+ raw == OFPRAW_NXT_SET_ASYNC_CONFIG ||
+ raw == OFPRAW_OFPT13_GET_ASYNC_REPLY) {
+ const struct nx_async_config *msg = ofpmsg_body(oh);
+
+ master[OAM_PACKET_IN] = ntohl(msg->packet_in_mask[0]);
+ master[OAM_PORT_STATUS] = ntohl(msg->port_status_mask[0]);
+ master[OAM_FLOW_REMOVED] = ntohl(msg->flow_removed_mask[0]);
+
+ slave[OAM_PACKET_IN] = ntohl(msg->packet_in_mask[1]);
+ slave[OAM_PORT_STATUS] = ntohl(msg->port_status_mask[1]);
+ slave[OAM_FLOW_REMOVED] = ntohl(msg->flow_removed_mask[1]);
+
+ } else if (raw == OFPRAW_OFPT14_SET_ASYNC ||
+ raw == OFPRAW_OFPT14_GET_ASYNC_REPLY) {
+
+ while (b.size > 0) {
+ struct ofp14_async_config_prop_reasons *msg;
+ struct ofpbuf property;
+ enum ofperr error;
+ uint16_t type;
+
+ error = ofputil_pull_property(&b, &property, &type);
+ if (error) {
+ return error;
+ }
+
+ msg = property.data;
+
+ if (property.size != sizeof *msg) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ switch (type) {
+ case OFPACPT_PACKET_IN_SLAVE:
+ slave[OAM_PACKET_IN] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_PACKET_IN_MASTER:
+ master[OAM_PACKET_IN] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_PORT_STATUS_SLAVE:
+ slave[OAM_PORT_STATUS] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_PORT_STATUS_MASTER:
+ master[OAM_PORT_STATUS] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_FLOW_REMOVED_SLAVE:
+ slave[OAM_FLOW_REMOVED] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_FLOW_REMOVED_MASTER:
+ master[OAM_FLOW_REMOVED] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_ROLE_STATUS_SLAVE:
+ slave[OAM_ROLE_STATUS] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_ROLE_STATUS_MASTER:
+ master[OAM_ROLE_STATUS] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_TABLE_STATUS_SLAVE:
+ slave[OAM_TABLE_STATUS] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_TABLE_STATUS_MASTER:
+ master[OAM_TABLE_STATUS] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_REQUESTFORWARD_SLAVE:
+ slave[OAM_REQUESTFORWARD] = ntohl(msg->mask);
+ break;
+
+ case OFPACPT_REQUESTFORWARD_MASTER:
+ master[OAM_REQUESTFORWARD] = ntohl(msg->mask);
+ break;
+
+ default:
+ error = loose ? 0 : OFPERR_OFPBPC_BAD_TYPE;
+ break;
+ }
+ if (error) {
+ return error;
+ }
+ }
+ } else {
+ return OFPERR_OFPBRC_BAD_VERSION;
+ }
+ return 0;
+}
+
+/* Append all asynchronous configuration properties in GET_ASYNC_REPLY
+ * message, describing if various set of asynchronous messages are enabled
+ * or not. */
+static enum ofperr
+ofputil_get_async_reply(struct ofpbuf *buf, const uint32_t master_mask,
+ const uint32_t slave_mask, const uint32_t type)
+{
+ int role;
+
+ for (role = 0; role < 2; role++) {
+ struct ofp14_async_config_prop_reasons *msg;
+
+ msg = ofpbuf_put_zeros(buf, sizeof *msg);
+
+ switch (type) {
+ case OAM_PACKET_IN:
+ msg->type = (role ? htons(OFPACPT_PACKET_IN_SLAVE)
+ : htons(OFPACPT_PACKET_IN_MASTER));
+ break;
+
+ case OAM_PORT_STATUS:
+ msg->type = (role ? htons(OFPACPT_PORT_STATUS_SLAVE)
+ : htons(OFPACPT_PORT_STATUS_MASTER));
+ break;
+
+ case OAM_FLOW_REMOVED:
+ msg->type = (role ? htons(OFPACPT_FLOW_REMOVED_SLAVE)
+ : htons(OFPACPT_FLOW_REMOVED_MASTER));
+ break;
+
+ case OAM_ROLE_STATUS:
+ msg->type = (role ? htons(OFPACPT_ROLE_STATUS_SLAVE)
+ : htons(OFPACPT_ROLE_STATUS_MASTER));
+ break;
+
+ case OAM_TABLE_STATUS:
+ msg->type = (role ? htons(OFPACPT_TABLE_STATUS_SLAVE)
+ : htons(OFPACPT_TABLE_STATUS_MASTER));
+ break;
+
+ case OAM_REQUESTFORWARD:
+ msg->type = (role ? htons(OFPACPT_REQUESTFORWARD_SLAVE)
+ : htons(OFPACPT_REQUESTFORWARD_MASTER));
+ break;
+
+ default:
+ return OFPERR_OFPBRC_BAD_TYPE;
+ }
+ msg->length = htons(sizeof *msg);
+ msg->mask = (role ? htonl(slave_mask) : htonl(master_mask));
+ }
+
+ return 0;
+}
+
+/* Returns a OpenFlow message that encodes 'asynchronous configuration' properly
+ * as a reply to get async config request. */
+struct ofpbuf *
+ofputil_encode_get_async_config(const struct ofp_header *oh,
+ uint32_t master[OAM_N_TYPES],
+ uint32_t slave[OAM_N_TYPES])
+{
+ struct ofpbuf *buf;
+ uint32_t type;
+
+ buf = ofpraw_alloc_reply((oh->version < OFP14_VERSION
+ ? OFPRAW_OFPT13_GET_ASYNC_REPLY
+ : OFPRAW_OFPT14_GET_ASYNC_REPLY), oh, 0);
+
+ if (oh->version < OFP14_VERSION) {
+ struct nx_async_config *msg;
+ msg = ofpbuf_put_zeros(buf, sizeof *msg);
+
+ msg->packet_in_mask[0] = htonl(master[OAM_PACKET_IN]);
+ msg->port_status_mask[0] = htonl(master[OAM_PORT_STATUS]);
+ msg->flow_removed_mask[0] = htonl(master[OAM_FLOW_REMOVED]);
+
+ msg->packet_in_mask[1] = htonl(slave[OAM_PACKET_IN]);
+ msg->port_status_mask[1] = htonl(slave[OAM_PORT_STATUS]);
+ msg->flow_removed_mask[1] = htonl(slave[OAM_FLOW_REMOVED]);
+ } else if (oh->version == OFP14_VERSION) {
+ for (type = 0; type < OAM_N_TYPES; type++) {
+ ofputil_get_async_reply(buf, master[type], slave[type], type);
+ }
+ }
+
+ return buf;
+}
projects / cascardo / ovs.git / blobdiff