/*
- * Copyright (c) 2010, 2011, 2012 Nicira Networks.
+ * Copyright (c) 2010, 2011, 2012 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 "classifier.h"
#include "dynamic-string.h"
#include "meta-flow.h"
+#include "ofp-actions.h"
#include "ofp-errors.h"
#include "ofp-util.h"
#include "ofpbuf.h"
VLOG_DBG_RL(&rl, "nx_match length %u, rounded up to a "
"multiple of 8, is longer than space in message (max "
"length %zu)", match_len, b->size);
- return OFPERR_OFPBRC_BAD_LEN;
+ return OFPERR_OFPBMC_BAD_LEN;
}
cls_rule_init_catchall(rule, priority);
mf = mf_from_nxm_header(header);
if (!mf) {
if (strict) {
- error = OFPERR_NXBRC_NXM_BAD_TYPE;
+ error = OFPERR_OFPBMC_BAD_FIELD;
} else {
continue;
}
} else if (!mf_are_prereqs_ok(mf, &rule->flow)) {
- error = OFPERR_NXBRC_NXM_BAD_PREREQ;
+ error = OFPERR_OFPBMC_BAD_PREREQ;
} else if (!mf_is_all_wild(mf, &rule->wc)) {
- error = OFPERR_NXBRC_NXM_DUP_TYPE;
- } else {
+ error = OFPERR_OFPBMC_DUP_FIELD;
+ } else if (header != OXM_OF_IN_PORT) {
unsigned int width = mf->n_bytes;
union mf_value value;
memcpy(&value, p + 4, width);
if (!mf_is_value_valid(mf, &value)) {
- error = OFPERR_NXBRC_NXM_BAD_VALUE;
+ error = OFPERR_OFPBMC_BAD_VALUE;
} else if (!NXM_HASMASK(header)) {
error = 0;
mf_set_value(mf, &value, rule);
memcpy(&mask, p + 4 + width, width);
if (!mf_is_mask_valid(mf, &mask)) {
- error = OFPERR_NXBRC_NXM_BAD_MASK;
+ error = OFPERR_OFPBMC_BAD_MASK;
} else {
error = 0;
mf_set(mf, &value, &mask, rule);
}
}
+ } else {
+ /* Special case for 32bit ports when using OXM,
+ * ports are 16 bits wide otherwise. */
+ ovs_be32 port_of11;
+ uint16_t port;
+
+ memcpy(&port_of11, p + 4, sizeof port_of11);
+ error = ofputil_port_from_ofp11(port_of11, &port);
+ if (!error) {
+ cls_rule_set_in_port(rule, port);
+ }
}
/* Check if the match is for a cookie rather than a classifier rule. */
if ((header == NXM_NX_COOKIE || header == NXM_NX_COOKIE_W) && cookie) {
if (*cookie_mask) {
- error = OFPERR_NXBRC_NXM_DUP_TYPE;
+ error = OFPERR_OFPBMC_DUP_FIELD;
} else {
unsigned int width = sizeof *cookie;
}
}
- return match_len ? OFPERR_NXBRC_NXM_INVALID : 0;
+ return match_len ? OFPERR_OFPBMC_BAD_LEN : 0;
}
/* Parses the nx_match formatted match description in 'b' with length
}
static void
-nxm_put_eth_dst(struct ofpbuf *b,
- flow_wildcards_t wc, const uint8_t value[ETH_ADDR_LEN])
+nxm_put_eth_masked(struct ofpbuf *b, uint32_t header,
+ const uint8_t value[ETH_ADDR_LEN],
+ const uint8_t mask[ETH_ADDR_LEN])
{
- switch (wc & (FWW_DL_DST | FWW_ETH_MCAST)) {
- case FWW_DL_DST | FWW_ETH_MCAST:
- break;
- default:
- nxm_put_header(b, NXM_OF_ETH_DST_W);
- ofpbuf_put(b, value, ETH_ADDR_LEN);
- ofpbuf_put(b, flow_wildcards_to_dl_dst_mask(wc), ETH_ADDR_LEN);
- break;
- case 0:
- nxm_put_eth(b, NXM_OF_ETH_DST, value);
- break;
+ if (!eth_addr_is_zero(mask)) {
+ if (eth_mask_is_exact(mask)) {
+ nxm_put_eth(b, header, value);
+ } else {
+ nxm_put_header(b, NXM_MAKE_WILD_HEADER(header));
+ ofpbuf_put(b, value, ETH_ADDR_LEN);
+ ofpbuf_put(b, mask, ETH_ADDR_LEN);
+ }
}
}
static void
nxm_put_ip(struct ofpbuf *b, const struct cls_rule *cr,
- uint8_t icmp_proto, uint32_t icmp_type, uint32_t icmp_code)
+ uint8_t icmp_proto, uint32_t icmp_type, uint32_t icmp_code,
+ bool oxm)
{
const flow_wildcards_t wc = cr->wc.wildcards;
const struct flow *flow = &cr->flow;
nxm_put_frag(b, cr);
if (!(wc & FWW_NW_DSCP)) {
- nxm_put_8(b, NXM_OF_IP_TOS, flow->nw_tos & IP_DSCP_MASK);
+ nxm_put_8(b, oxm ? OXM_OF_IP_DSCP : NXM_OF_IP_TOS,
+ flow->nw_tos & IP_DSCP_MASK);
}
if (!(wc & FWW_NW_ECN)) {
- nxm_put_8(b, NXM_NX_IP_ECN, flow->nw_tos & IP_ECN_MASK);
+ nxm_put_8(b, oxm ? OXM_OF_IP_ECN : NXM_NX_IP_ECN,
+ flow->nw_tos & IP_ECN_MASK);
}
- if (!(wc & FWW_NW_TTL)) {
+ if (!oxm && !(wc & FWW_NW_TTL)) {
nxm_put_8(b, NXM_NX_IP_TTL, flow->nw_ttl);
}
if (!(wc & FWW_NW_PROTO)) {
- nxm_put_8(b, NXM_OF_IP_PROTO, flow->nw_proto);
+ nxm_put_8(b, oxm ? OXM_OF_IP_PROTO : NXM_OF_IP_PROTO, flow->nw_proto);
if (flow->nw_proto == IPPROTO_TCP) {
- nxm_put_16m(b, NXM_OF_TCP_SRC, flow->tp_src, cr->wc.tp_src_mask);
- nxm_put_16m(b, NXM_OF_TCP_DST, flow->tp_dst, cr->wc.tp_dst_mask);
+ nxm_put_16m(b, oxm ? OXM_OF_TCP_SRC : NXM_OF_TCP_SRC,
+ flow->tp_src, cr->wc.tp_src_mask);
+ nxm_put_16m(b, oxm ? OXM_OF_TCP_DST : NXM_OF_TCP_DST,
+ flow->tp_dst, cr->wc.tp_dst_mask);
} else if (flow->nw_proto == IPPROTO_UDP) {
- nxm_put_16m(b, NXM_OF_UDP_SRC, flow->tp_src, cr->wc.tp_src_mask);
- nxm_put_16m(b, NXM_OF_UDP_DST, flow->tp_dst, cr->wc.tp_dst_mask);
+ nxm_put_16m(b, oxm ? OXM_OF_UDP_SRC : NXM_OF_UDP_SRC,
+ flow->tp_src, cr->wc.tp_src_mask);
+ nxm_put_16m(b, oxm ? OXM_OF_UDP_DST : NXM_OF_UDP_DST,
+ flow->tp_dst, cr->wc.tp_dst_mask);
} else if (flow->nw_proto == icmp_proto) {
if (cr->wc.tp_src_mask) {
nxm_put_8(b, icmp_type, ntohs(flow->tp_src));
* If 'cr' is a catch-all rule that matches every packet, then this function
* appends nothing to 'b' and returns 0. */
int
-nx_put_match(struct ofpbuf *b, const struct cls_rule *cr,
+nx_put_match(struct ofpbuf *b, bool oxm, const struct cls_rule *cr,
ovs_be64 cookie, ovs_be64 cookie_mask)
{
const flow_wildcards_t wc = cr->wc.wildcards;
int match_len;
int i;
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 12);
/* Metadata. */
if (!(wc & FWW_IN_PORT)) {
uint16_t in_port = flow->in_port;
- nxm_put_16(b, NXM_OF_IN_PORT, htons(in_port));
+ if (oxm) {
+ nxm_put_32(b, OXM_OF_IN_PORT, ofputil_port_to_ofp11(in_port));
+ } else {
+ nxm_put_16(b, NXM_OF_IN_PORT, htons(in_port));
+ }
}
/* Ethernet. */
- nxm_put_eth_dst(b, wc, flow->dl_dst);
- if (!(wc & FWW_DL_SRC)) {
- nxm_put_eth(b, NXM_OF_ETH_SRC, flow->dl_src);
- }
+ nxm_put_eth_masked(b, oxm ? OXM_OF_ETH_SRC : NXM_OF_ETH_SRC,
+ flow->dl_src, cr->wc.dl_src_mask);
+ nxm_put_eth_masked(b, oxm ? OXM_OF_ETH_DST : NXM_OF_ETH_DST,
+ flow->dl_dst, cr->wc.dl_dst_mask);
if (!(wc & FWW_DL_TYPE)) {
- nxm_put_16(b, NXM_OF_ETH_TYPE,
+ nxm_put_16(b, oxm ? OXM_OF_ETH_TYPE : NXM_OF_ETH_TYPE,
ofputil_dl_type_to_openflow(flow->dl_type));
}
- /* 802.1Q. */
+ /* 802.1Q.
+ *
+ * XXX missing OXM support */
nxm_put_16m(b, NXM_OF_VLAN_TCI, flow->vlan_tci, cr->wc.vlan_tci_mask);
/* L3. */
if (!(wc & FWW_DL_TYPE) && flow->dl_type == htons(ETH_TYPE_IP)) {
/* IP. */
- nxm_put_32m(b, NXM_OF_IP_SRC, flow->nw_src, cr->wc.nw_src_mask);
- nxm_put_32m(b, NXM_OF_IP_DST, flow->nw_dst, cr->wc.nw_dst_mask);
- nxm_put_ip(b, cr, IPPROTO_ICMP, NXM_OF_ICMP_TYPE, NXM_OF_ICMP_CODE);
+ nxm_put_32m(b, oxm ? OXM_OF_IPV4_SRC : NXM_OF_IP_SRC,
+ flow->nw_src, cr->wc.nw_src_mask);
+ nxm_put_32m(b, oxm ? OXM_OF_IPV4_DST : NXM_OF_IP_DST,
+ flow->nw_dst, cr->wc.nw_dst_mask);
+ nxm_put_ip(b, cr, IPPROTO_ICMP,
+ oxm ? OXM_OF_ICMPV4_TYPE : NXM_OF_ICMP_TYPE,
+ oxm ? OXM_OF_ICMPV4_CODE : NXM_OF_ICMP_CODE, oxm);
} else if (!(wc & FWW_DL_TYPE) && flow->dl_type == htons(ETH_TYPE_IPV6)) {
/* IPv6. */
- nxm_put_ipv6(b, NXM_NX_IPV6_SRC, &flow->ipv6_src,
- &cr->wc.ipv6_src_mask);
- nxm_put_ipv6(b, NXM_NX_IPV6_DST, &flow->ipv6_dst,
- &cr->wc.ipv6_dst_mask);
- nxm_put_ip(b, cr,
- IPPROTO_ICMPV6, NXM_NX_ICMPV6_TYPE, NXM_NX_ICMPV6_CODE);
+ nxm_put_ipv6(b, oxm ? OXM_OF_IPV6_SRC : NXM_NX_IPV6_SRC,
+ &flow->ipv6_src, &cr->wc.ipv6_src_mask);
+ nxm_put_ipv6(b, oxm ? OXM_OF_IPV6_DST : NXM_NX_IPV6_DST,
+ &flow->ipv6_dst, &cr->wc.ipv6_dst_mask);
+ nxm_put_ip(b, cr, IPPROTO_ICMPV6,
+ oxm ? OXM_OF_ICMPV6_TYPE : NXM_NX_ICMPV6_TYPE,
+ oxm ? OXM_OF_ICMPV6_CODE : NXM_NX_ICMPV6_CODE, oxm);
if (!(wc & FWW_IPV6_LABEL)) {
- nxm_put_32(b, NXM_NX_IPV6_LABEL, flow->ipv6_label);
+ nxm_put_32(b, oxm ? OXM_OF_IPV6_FLABEL : NXM_NX_IPV6_LABEL,
+ flow->ipv6_label);
}
if (flow->nw_proto == IPPROTO_ICMPV6
&& (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
flow->tp_src == htons(ND_NEIGHBOR_ADVERT))) {
- if (!(wc & FWW_ND_TARGET)) {
- nxm_put_ipv6(b, NXM_NX_ND_TARGET, &flow->nd_target,
- &in6addr_exact);
- }
+ nxm_put_ipv6(b, oxm ? OXM_OF_IPV6_ND_TARGET : NXM_NX_ND_TARGET,
+ &flow->nd_target, &cr->wc.nd_target_mask);
if (!(wc & FWW_ARP_SHA)
&& flow->tp_src == htons(ND_NEIGHBOR_SOLICIT)) {
- nxm_put_eth(b, NXM_NX_ND_SLL, flow->arp_sha);
+ nxm_put_eth(b, oxm ? OXM_OF_IPV6_ND_SLL : NXM_NX_ND_SLL,
+ flow->arp_sha);
}
if (!(wc & FWW_ARP_THA)
&& flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) {
- nxm_put_eth(b, NXM_NX_ND_TLL, flow->arp_tha);
+ nxm_put_eth(b, oxm ? OXM_OF_IPV6_ND_TLL : NXM_NX_ND_TLL,
+ flow->arp_tha);
}
}
} else if (!(wc & FWW_DL_TYPE) && flow->dl_type == htons(ETH_TYPE_ARP)) {
/* ARP. */
if (!(wc & FWW_NW_PROTO)) {
- nxm_put_16(b, NXM_OF_ARP_OP, htons(flow->nw_proto));
+ nxm_put_16(b, oxm ? OXM_OF_ARP_OP : NXM_OF_ARP_OP,
+ htons(flow->nw_proto));
}
- nxm_put_32m(b, NXM_OF_ARP_SPA, flow->nw_src, cr->wc.nw_src_mask);
- nxm_put_32m(b, NXM_OF_ARP_TPA, flow->nw_dst, cr->wc.nw_dst_mask);
+ nxm_put_32m(b, oxm ? OXM_OF_ARP_SPA : NXM_OF_ARP_SPA,
+ flow->nw_src, cr->wc.nw_src_mask);
+ nxm_put_32m(b, oxm ? OXM_OF_ARP_TPA : NXM_OF_ARP_TPA,
+ flow->nw_dst, cr->wc.nw_dst_mask);
if (!(wc & FWW_ARP_SHA)) {
- nxm_put_eth(b, NXM_NX_ARP_SHA, flow->arp_sha);
+ nxm_put_eth(b, oxm ? OXM_OF_ARP_SHA : NXM_NX_ARP_SHA,
+ flow->arp_sha);
}
if (!(wc & FWW_ARP_THA)) {
- nxm_put_eth(b, NXM_NX_ARP_THA, flow->arp_tha);
+ nxm_put_eth(b, oxm ? OXM_OF_ARP_THA : NXM_NX_ARP_THA,
+ flow->arp_tha);
}
}
htonl(flow->regs[i]), htonl(cr->wc.reg_masks[i]));
}
+ /* OpenFlow 1.1+ Metadata. */
+ nxm_put_64m(b, OXM_OF_METADATA, flow->metadata, cr->wc.metadata_mask);
+
/* Cookie. */
nxm_put_64m(b, NXM_NX_COOKIE, cookie, cookie_mask);
{
const struct mf_field *mf = mf_from_nxm_header(header);
if (mf) {
- ds_put_cstr(s, mf->nxm_name);
+ ds_put_cstr(s, IS_OXM_HEADER(header) ? mf->oxm_name : mf->nxm_name);
if (NXM_HASMASK(header)) {
ds_put_cstr(s, "_W");
}
for (i = 0; i < MFF_N_IDS; i++) {
const struct mf_field *mf = mf_from_id(i);
+ uint32_t header;
- if (mf->nxm_name
- && !strncmp(mf->nxm_name, name, name_len)
- && mf->nxm_name[name_len] == '\0') {
- if (!wild) {
- return mf->nxm_header;
- } else if (mf->maskable != MFM_NONE) {
- return NXM_MAKE_WILD_HEADER(mf->nxm_header);
- }
+ if (mf->nxm_name &&
+ !strncmp(mf->nxm_name, name, name_len) &&
+ mf->nxm_name[name_len] == '\0') {
+ header = mf->nxm_header;
+ } else if (mf->oxm_name &&
+ !strncmp(mf->oxm_name, name, name_len) &&
+ mf->oxm_name[name_len] == '\0') {
+ header = mf->oxm_header;
+ } else {
+ continue;
+ }
+
+ if (!wild) {
+ return header;
+ } else if (mf->maskable != MFM_NONE) {
+ return NXM_MAKE_WILD_HEADER(header);
}
}
- if (!strncmp("NXM_NX_COOKIE", name, name_len)
- && (name_len == strlen("NXM_NX_COOKIE"))) {
+ if (!strncmp("NXM_NX_COOKIE", name, name_len) &&
+ (name_len == strlen("NXM_NX_COOKIE"))) {
if (!wild) {
return NXM_NX_COOKIE;
} else {
}
\f
void
-nxm_parse_reg_move(struct nx_action_reg_move *move, const char *s)
+nxm_parse_reg_move(struct ofpact_reg_move *move, const char *s)
{
const char *full_s = s;
- struct mf_subfield src, dst;
- s = mf_parse_subfield(&src, s);
+ s = mf_parse_subfield(&move->src, s);
if (strncmp(s, "->", 2)) {
ovs_fatal(0, "%s: missing `->' following source", full_s);
}
s += 2;
- s = mf_parse_subfield(&dst, s);
+ s = mf_parse_subfield(&move->dst, s);
if (*s != '\0') {
ovs_fatal(0, "%s: trailing garbage following destination", full_s);
}
- if (src.n_bits != dst.n_bits) {
+ if (move->src.n_bits != move->dst.n_bits) {
ovs_fatal(0, "%s: source field is %d bits wide but destination is "
- "%d bits wide", full_s, src.n_bits, dst.n_bits);
+ "%d bits wide", full_s,
+ move->src.n_bits, move->dst.n_bits);
}
-
- ofputil_init_NXAST_REG_MOVE(move);
- move->n_bits = htons(src.n_bits);
- move->src_ofs = htons(src.ofs);
- move->dst_ofs = htons(dst.ofs);
- move->src = htonl(src.field->nxm_header);
- move->dst = htonl(dst.field->nxm_header);
}
void
-nxm_parse_reg_load(struct nx_action_reg_load *load, const char *s)
+nxm_parse_reg_load(struct ofpact_reg_load *load, const char *s)
{
const char *full_s = s;
- struct mf_subfield dst;
- uint64_t value;
- value = strtoull(s, (char **) &s, 0);
+ load->value = strtoull(s, (char **) &s, 0);
if (strncmp(s, "->", 2)) {
ovs_fatal(0, "%s: missing `->' following value", full_s);
}
s += 2;
- s = mf_parse_subfield(&dst, s);
+ s = mf_parse_subfield(&load->dst, s);
if (*s != '\0') {
ovs_fatal(0, "%s: trailing garbage following destination", full_s);
}
- if (dst.n_bits < 64 && (value >> dst.n_bits) != 0) {
- ovs_fatal(0, "%s: value %"PRIu64" does not fit into %u bits",
- full_s, value, dst.n_bits);
+ if (load->dst.n_bits < 64 && (load->value >> load->dst.n_bits) != 0) {
+ ovs_fatal(0, "%s: value %"PRIu64" does not fit into %d bits",
+ full_s, load->value, load->dst.n_bits);
}
-
- ofputil_init_NXAST_REG_LOAD(load);
- load->ofs_nbits = nxm_encode_ofs_nbits(dst.ofs, dst.n_bits);
- load->dst = htonl(dst.field->nxm_header);
- load->value = htonll(value);
}
\f
/* nxm_format_reg_move(), nxm_format_reg_load(). */
void
-nxm_format_reg_move(const struct nx_action_reg_move *move, struct ds *s)
+nxm_format_reg_move(const struct ofpact_reg_move *move, struct ds *s)
{
- struct mf_subfield src, dst;
-
- nxm_decode_discrete(&src, move->src, move->src_ofs, move->n_bits);
- nxm_decode_discrete(&dst, move->dst, move->dst_ofs, move->n_bits);
-
ds_put_format(s, "move:");
- mf_format_subfield(&src, s);
+ mf_format_subfield(&move->src, s);
ds_put_cstr(s, "->");
- mf_format_subfield(&dst, s);
+ mf_format_subfield(&move->dst, s);
}
void
-nxm_format_reg_load(const struct nx_action_reg_load *load, struct ds *s)
+nxm_format_reg_load(const struct ofpact_reg_load *load, struct ds *s)
{
- struct mf_subfield dst;
+ ds_put_format(s, "load:%#"PRIx64"->", load->value);
+ mf_format_subfield(&load->dst, s);
+}
+\f
+enum ofperr
+nxm_reg_move_from_openflow(const struct nx_action_reg_move *narm,
+ struct ofpbuf *ofpacts)
+{
+ struct ofpact_reg_move *move;
- ds_put_format(s, "load:%#"PRIx64"->", ntohll(load->value));
+ move = ofpact_put_REG_MOVE(ofpacts);
+ move->src.field = mf_from_nxm_header(ntohl(narm->src));
+ move->src.ofs = ntohs(narm->src_ofs);
+ move->src.n_bits = ntohs(narm->n_bits);
+ move->dst.field = mf_from_nxm_header(ntohl(narm->dst));
+ move->dst.ofs = ntohs(narm->dst_ofs);
+ move->dst.n_bits = ntohs(narm->n_bits);
- nxm_decode(&dst, load->dst, load->ofs_nbits);
- mf_format_subfield(&dst, s);
+ return nxm_reg_move_check(move, NULL);
}
-\f
-/* nxm_check_reg_move(), nxm_check_reg_load(). */
enum ofperr
-nxm_check_reg_move(const struct nx_action_reg_move *action,
- const struct flow *flow)
+nxm_reg_load_from_openflow(const struct nx_action_reg_load *narl,
+ struct ofpbuf *ofpacts)
{
- struct mf_subfield src;
- struct mf_subfield dst;
- int error;
+ struct ofpact_reg_load *load;
- nxm_decode_discrete(&src, action->src, action->src_ofs, action->n_bits);
- error = mf_check_src(&src, flow);
- if (error) {
- return error;
+ load = ofpact_put_REG_LOAD(ofpacts);
+ load->dst.field = mf_from_nxm_header(ntohl(narl->dst));
+ load->dst.ofs = nxm_decode_ofs(narl->ofs_nbits);
+ load->dst.n_bits = nxm_decode_n_bits(narl->ofs_nbits);
+ load->value = ntohll(narl->value);
+
+ /* Reject 'narl' if a bit numbered 'n_bits' or higher is set to 1 in
+ * narl->value. */
+ if (load->dst.n_bits < 64 && load->value >> load->dst.n_bits) {
+ return OFPERR_OFPBAC_BAD_ARGUMENT;
}
- nxm_decode_discrete(&dst, action->dst, action->dst_ofs, action->n_bits);
- return mf_check_dst(&dst, flow);
+ return nxm_reg_load_check(load, NULL);
}
-
+\f
enum ofperr
-nxm_check_reg_load(const struct nx_action_reg_load *action,
- const struct flow *flow)
+nxm_reg_move_check(const struct ofpact_reg_move *move, const struct flow *flow)
{
- struct mf_subfield dst;
enum ofperr error;
- nxm_decode(&dst, action->dst, action->ofs_nbits);
- error = mf_check_dst(&dst, flow);
+ error = mf_check_src(&move->src, flow);
if (error) {
return error;
}
- /* Reject 'action' if a bit numbered 'n_bits' or higher is set to 1 in
- * action->value. */
- if (dst.n_bits < 64 && ntohll(action->value) >> dst.n_bits) {
- return OFPERR_OFPBAC_BAD_ARGUMENT;
- }
+ return mf_check_dst(&move->dst, NULL);
+}
- return 0;
+enum ofperr
+nxm_reg_load_check(const struct ofpact_reg_load *load, const struct flow *flow)
+{
+ return mf_check_dst(&load->dst, flow);
}
\f
-/* nxm_execute_reg_move(), nxm_execute_reg_load(). */
-
void
-nxm_execute_reg_move(const struct nx_action_reg_move *action,
- struct flow *flow)
+nxm_reg_move_to_nxast(const struct ofpact_reg_move *move,
+ struct ofpbuf *openflow)
{
- struct mf_subfield src, dst;
- union mf_value src_value;
- union mf_value dst_value;
+ struct nx_action_reg_move *narm;
- nxm_decode_discrete(&src, action->src, action->src_ofs, action->n_bits);
- nxm_decode_discrete(&dst, action->dst, action->dst_ofs, action->n_bits);
+ narm = ofputil_put_NXAST_REG_MOVE(openflow);
+ narm->n_bits = htons(move->dst.n_bits);
+ narm->src_ofs = htons(move->src.ofs);
+ narm->dst_ofs = htons(move->dst.ofs);
+ narm->src = htonl(move->src.field->nxm_header);
+ narm->dst = htonl(move->dst.field->nxm_header);
+}
- mf_get_value(dst.field, flow, &dst_value);
- mf_get_value(src.field, flow, &src_value);
- bitwise_copy(&src_value, src.field->n_bytes, src.ofs,
- &dst_value, dst.field->n_bytes, dst.ofs,
- src.n_bits);
- mf_set_flow_value(dst.field, &dst_value, flow);
+void
+nxm_reg_load_to_nxast(const struct ofpact_reg_load *load,
+ struct ofpbuf *openflow)
+{
+ struct nx_action_reg_load *narl;
+
+ narl = ofputil_put_NXAST_REG_LOAD(openflow);
+ narl->ofs_nbits = nxm_encode_ofs_nbits(load->dst.ofs, load->dst.n_bits);
+ narl->dst = htonl(load->dst.field->nxm_header);
+ narl->value = htonll(load->value);
}
+\f
+/* nxm_execute_reg_move(), nxm_execute_reg_load(). */
void
-nxm_execute_reg_load(const struct nx_action_reg_load *action,
+nxm_execute_reg_move(const struct ofpact_reg_move *move,
struct flow *flow)
{
- struct mf_subfield dst;
+ union mf_value src_value;
+ union mf_value dst_value;
- nxm_decode(&dst, action->dst, action->ofs_nbits);
- mf_set_subfield_value(&dst, ntohll(action->value), flow);
+ mf_get_value(move->dst.field, flow, &dst_value);
+ mf_get_value(move->src.field, flow, &src_value);
+ bitwise_copy(&src_value, move->src.field->n_bytes, move->src.ofs,
+ &dst_value, move->dst.field->n_bytes, move->dst.ofs,
+ move->src.n_bits);
+ mf_set_flow_value(move->dst.field, &dst_value, flow);
}
-/* Initializes 'sf->field' with the field corresponding to the given NXM
- * 'header' and 'sf->ofs' and 'sf->n_bits' decoded from 'ofs_nbits' with
- * nxm_decode_ofs() and nxm_decode_n_bits(), respectively.
- *
- * Afterward, 'sf' might be invalid in a few different ways:
- *
- * - 'sf->field' will be NULL if 'header' is unknown.
- *
- * - 'sf->ofs' and 'sf->n_bits' might exceed the width of sf->field.
- *
- * The caller should call mf_check_src() or mf_check_dst() to check for these
- * problems. */
void
-nxm_decode(struct mf_subfield *sf, ovs_be32 header, ovs_be16 ofs_nbits)
+nxm_execute_reg_load(const struct ofpact_reg_load *load, struct flow *flow)
{
- sf->field = mf_from_nxm_header(ntohl(header));
- sf->ofs = nxm_decode_ofs(ofs_nbits);
- sf->n_bits = nxm_decode_n_bits(ofs_nbits);
+ nxm_reg_load(&load->dst, load->value, flow);
}
-/* Initializes 'sf->field' with the field corresponding to the given NXM
- * 'header' and 'sf->ofs' and 'sf->n_bits' from 'ofs' and 'n_bits',
- * respectively.
- *
- * Afterward, 'sf' might be invalid in a few different ways:
- *
- * - 'sf->field' will be NULL if 'header' is unknown.
- *
- * - 'sf->ofs' and 'sf->n_bits' might exceed the width of sf->field.
- *
- * The caller should call mf_check_src() or mf_check_dst() to check for these
- * problems. */
void
-nxm_decode_discrete(struct mf_subfield *sf, ovs_be32 header,
- ovs_be16 ofs, ovs_be16 n_bits)
+nxm_reg_load(const struct mf_subfield *dst, uint64_t src_data,
+ struct flow *flow)
{
- sf->field = mf_from_nxm_header(ntohl(header));
- sf->ofs = ntohs(ofs);
- sf->n_bits = ntohs(n_bits);
+ union mf_value dst_value;
+ union mf_value src_value;
+
+ mf_get_value(dst->field, flow, &dst_value);
+ src_value.be64 = htonll(src_data);
+ bitwise_copy(&src_value, sizeof src_value.be64, 0,
+ &dst_value, dst->field->n_bytes, dst->ofs,
+ dst->n_bits);
+ mf_set_flow_value(dst->field, &dst_value, flow);
}
projects / cascardo / ovs.git / blobdiff