- ctx->nf_output_iface = NF_OUT_DROP;
-
- switch (ntohs(oao->port)) {
- case OFPP_IN_PORT:
- add_output_action(ctx, ctx->flow.in_port);
- break;
- case OFPP_TABLE:
- xlate_table_action(ctx, ctx->flow.in_port);
- break;
- case OFPP_NORMAL:
- if (!ctx->ofproto->ofhooks->normal_cb(&ctx->flow, ctx->packet,
- ctx->out, ctx->tags,
- &ctx->nf_output_iface,
- ctx->ofproto->aux)) {
- COVERAGE_INC(ofproto_uninstallable);
- ctx->may_set_up_flow = false;
- }
- break;
- case OFPP_FLOOD:
- add_output_group_action(ctx->out, DP_GROUP_FLOOD,
- &ctx->nf_output_iface);
- break;
- case OFPP_ALL:
- add_output_group_action(ctx->out, DP_GROUP_ALL, &ctx->nf_output_iface);
- break;
- case OFPP_CONTROLLER:
- add_controller_action(ctx->out, oao);
- break;
- case OFPP_LOCAL:
- add_output_action(ctx, ODPP_LOCAL);
- break;
- default:
- odp_port = ofp_port_to_odp_port(ntohs(oao->port));
- if (odp_port != ctx->flow.in_port) {
- add_output_action(ctx, odp_port);
- }
- break;
- }
-
- if (prev_nf_output_iface == NF_OUT_FLOOD) {
- ctx->nf_output_iface = NF_OUT_FLOOD;
- } else if (ctx->nf_output_iface == NF_OUT_DROP) {
- ctx->nf_output_iface = prev_nf_output_iface;
- } else if (prev_nf_output_iface != NF_OUT_DROP &&
- ctx->nf_output_iface != NF_OUT_FLOOD) {
- ctx->nf_output_iface = NF_OUT_MULTI;
- }
-}
-
-/* If the final ODP action in 'ctx' is "pop priority", drop it, as an
- * optimization, because we're going to add another action that sets the
- * priority immediately after, or because there are no actions following the
- * pop. */
-static void
-remove_pop_action(struct action_xlate_ctx *ctx)
-{
- size_t n = ctx->out->n_actions;
- if (n > 0 && ctx->out->actions[n - 1].type == ODPAT_POP_PRIORITY) {
- ctx->out->n_actions--;
- }
-}
-
-static void
-xlate_enqueue_action(struct action_xlate_ctx *ctx,
- const struct ofp_action_enqueue *oae)
-{
- uint16_t ofp_port, odp_port;
-
- /* Figure out ODP output port. */
- ofp_port = ntohs(oae->port);
- if (ofp_port != OFPP_IN_PORT) {
- odp_port = ofp_port_to_odp_port(ofp_port);
- } else {
- odp_port = ctx->flow.in_port;
- }
-
- /* Add ODP actions. */
- remove_pop_action(ctx);
- odp_actions_add(ctx->out, ODPAT_SET_PRIORITY)->priority.priority
- = TC_H_MAKE(1, ntohl(oae->queue_id)); /* XXX */
- add_output_action(ctx, odp_port);
- odp_actions_add(ctx->out, ODPAT_POP_PRIORITY);
-
- /* Update NetFlow output port. */
- if (ctx->nf_output_iface == NF_OUT_DROP) {
- ctx->nf_output_iface = odp_port;
- } else if (ctx->nf_output_iface != NF_OUT_FLOOD) {
- ctx->nf_output_iface = NF_OUT_MULTI;
- }
-}
-
-static void
-xlate_nicira_action(struct action_xlate_ctx *ctx,
- const struct nx_action_header *nah)
-{
- const struct nx_action_resubmit *nar;
- const struct nx_action_set_tunnel *nast;
- union odp_action *oa;
- int subtype = ntohs(nah->subtype);
-
- assert(nah->vendor == htonl(NX_VENDOR_ID));
- switch (subtype) {
- case NXAST_RESUBMIT:
- nar = (const struct nx_action_resubmit *) nah;
- xlate_table_action(ctx, ofp_port_to_odp_port(ntohs(nar->in_port)));
- break;
-
- case NXAST_SET_TUNNEL:
- nast = (const struct nx_action_set_tunnel *) nah;
- oa = odp_actions_add(ctx->out, ODPAT_SET_TUNNEL);
- ctx->flow.tun_id = oa->tunnel.tun_id = nast->tun_id;
- break;
-
- /* If you add a new action here that modifies flow data, don't forget to
- * update the flow key in ctx->flow at the same time. */
-
- default:
- VLOG_DBG_RL(&rl, "unknown Nicira action type %"PRIu16, subtype);
- break;
- }
-}
-
-static void
-do_xlate_actions(const union ofp_action *in, size_t n_in,
- struct action_xlate_ctx *ctx)
-{
- struct actions_iterator iter;
- const union ofp_action *ia;
- const struct ofport *port;
-
- port = port_array_get(&ctx->ofproto->ports, ctx->flow.in_port);
- if (port && port->opp.config & (OFPPC_NO_RECV | OFPPC_NO_RECV_STP) &&
- port->opp.config & (eth_addr_equals(ctx->flow.dl_dst, stp_eth_addr)
- ? OFPPC_NO_RECV_STP : OFPPC_NO_RECV)) {
- /* Drop this flow. */
- return;
- }
-
- for (ia = actions_first(&iter, in, n_in); ia; ia = actions_next(&iter)) {
- uint16_t type = ntohs(ia->type);
- union odp_action *oa;
-
- switch (type) {
- case OFPAT_OUTPUT:
- xlate_output_action(ctx, &ia->output);
- break;
-
- case OFPAT_SET_VLAN_VID:
- oa = odp_actions_add(ctx->out, ODPAT_SET_VLAN_VID);
- ctx->flow.dl_vlan = oa->vlan_vid.vlan_vid = ia->vlan_vid.vlan_vid;
- break;
-
- case OFPAT_SET_VLAN_PCP:
- oa = odp_actions_add(ctx->out, ODPAT_SET_VLAN_PCP);
- ctx->flow.dl_vlan_pcp = oa->vlan_pcp.vlan_pcp = ia->vlan_pcp.vlan_pcp;
- break;
-
- case OFPAT_STRIP_VLAN:
- odp_actions_add(ctx->out, ODPAT_STRIP_VLAN);
- ctx->flow.dl_vlan = htons(OFP_VLAN_NONE);
- ctx->flow.dl_vlan_pcp = 0;
- break;
-
- case OFPAT_SET_DL_SRC:
- oa = odp_actions_add(ctx->out, ODPAT_SET_DL_SRC);
- memcpy(oa->dl_addr.dl_addr,
- ((struct ofp_action_dl_addr *) ia)->dl_addr, ETH_ADDR_LEN);
- memcpy(ctx->flow.dl_src,
- ((struct ofp_action_dl_addr *) ia)->dl_addr, ETH_ADDR_LEN);
- break;
-
- case OFPAT_SET_DL_DST:
- oa = odp_actions_add(ctx->out, ODPAT_SET_DL_DST);
- memcpy(oa->dl_addr.dl_addr,
- ((struct ofp_action_dl_addr *) ia)->dl_addr, ETH_ADDR_LEN);
- memcpy(ctx->flow.dl_dst,
- ((struct ofp_action_dl_addr *) ia)->dl_addr, ETH_ADDR_LEN);
- break;
-
- case OFPAT_SET_NW_SRC:
- oa = odp_actions_add(ctx->out, ODPAT_SET_NW_SRC);
- ctx->flow.nw_src = oa->nw_addr.nw_addr = ia->nw_addr.nw_addr;
- break;
-
- case OFPAT_SET_NW_DST:
- oa = odp_actions_add(ctx->out, ODPAT_SET_NW_DST);
- ctx->flow.nw_dst = oa->nw_addr.nw_addr = ia->nw_addr.nw_addr;
- break;
-
- case OFPAT_SET_NW_TOS:
- oa = odp_actions_add(ctx->out, ODPAT_SET_NW_TOS);
- ctx->flow.nw_tos = oa->nw_tos.nw_tos = ia->nw_tos.nw_tos;
- break;
-
- case OFPAT_SET_TP_SRC:
- oa = odp_actions_add(ctx->out, ODPAT_SET_TP_SRC);
- ctx->flow.tp_src = oa->tp_port.tp_port = ia->tp_port.tp_port;
- break;
-
- case OFPAT_SET_TP_DST:
- oa = odp_actions_add(ctx->out, ODPAT_SET_TP_DST);
- ctx->flow.tp_dst = oa->tp_port.tp_port = ia->tp_port.tp_port;
- break;
-
- case OFPAT_VENDOR:
- xlate_nicira_action(ctx, (const struct nx_action_header *) ia);
- break;
-
- case OFPAT_ENQUEUE:
- xlate_enqueue_action(ctx, (const struct ofp_action_enqueue *) ia);
- break;
-
- default:
- VLOG_DBG_RL(&rl, "unknown action type %"PRIu16, type);
- break;
- }
- }
-}
-
-static int
-xlate_actions(const union ofp_action *in, size_t n_in,
- const flow_t *flow, struct ofproto *ofproto,
- const struct ofpbuf *packet,
- struct odp_actions *out, tag_type *tags, bool *may_set_up_flow,
- uint16_t *nf_output_iface)
-{
- tag_type no_tags = 0;
- struct action_xlate_ctx ctx;
- COVERAGE_INC(ofproto_ofp2odp);
- odp_actions_init(out);
- ctx.flow = *flow;
- ctx.recurse = 0;
- ctx.ofproto = ofproto;
- ctx.packet = packet;
- ctx.out = out;
- ctx.tags = tags ? tags : &no_tags;
- ctx.may_set_up_flow = true;
- ctx.nf_output_iface = NF_OUT_DROP;
- do_xlate_actions(in, n_in, &ctx);
- remove_pop_action(&ctx);
-
- /* Check with in-band control to see if we're allowed to set up this
- * flow. */
- if (!in_band_rule_check(ofproto->in_band, flow, out)) {
- ctx.may_set_up_flow = false;
- }
-
- if (may_set_up_flow) {
- *may_set_up_flow = ctx.may_set_up_flow;
- }
- if (nf_output_iface) {
- *nf_output_iface = ctx.nf_output_iface;
- }
- if (odp_actions_overflow(out)) {
- odp_actions_init(out);
- return ofp_mkerr(OFPET_BAD_ACTION, OFPBAC_TOO_MANY);
- }