Пример #1
0
void act_reg_move(struct ofpbuf* buf,
                  int srcRegId, int dstRegId,
                  uint8_t sourceOffset, uint8_t destOffset,
                  uint8_t nBits) {
    struct ofpact_reg_move *move = ofpact_put_REG_MOVE(buf);
    initSubFieldExt(&move->src, srcRegId, sourceOffset, nBits);
    initSubFieldExt(&move->dst, dstRegId, destOffset, nBits);

    int bitsToMove = min(move->src.n_bits, move->dst.n_bits);
    move->src.n_bits = bitsToMove;
    move->dst.n_bits  = bitsToMove;
}
Пример #2
0
static void
parse_named_action(enum ofputil_action_code code,
                   char *arg, struct ofpbuf *ofpacts)
{
    struct ofpact_tunnel *tunnel;
    uint16_t vid;
    uint16_t ethertype;
    ovs_be32 ip;
    uint8_t pcp;
    uint8_t tos;

    switch (code) {
    case OFPUTIL_ACTION_INVALID:
        NOT_REACHED();

    case OFPUTIL_OFPAT10_OUTPUT:
    case OFPUTIL_OFPAT11_OUTPUT:
        parse_output(arg, ofpacts);
        break;

    case OFPUTIL_OFPAT10_SET_VLAN_VID:
    case OFPUTIL_OFPAT11_SET_VLAN_VID:
        vid = str_to_u32(arg);
        if (vid & ~VLAN_VID_MASK) {
            ovs_fatal(0, "%s: not a valid VLAN VID", arg);
        }
        ofpact_put_SET_VLAN_VID(ofpacts)->vlan_vid = vid;
        break;

    case OFPUTIL_OFPAT10_SET_VLAN_PCP:
    case OFPUTIL_OFPAT11_SET_VLAN_PCP:
        pcp = str_to_u32(arg);
        if (pcp & ~7) {
            ovs_fatal(0, "%s: not a valid VLAN PCP", arg);
        }
        ofpact_put_SET_VLAN_PCP(ofpacts)->vlan_pcp = pcp;
        break;

    case OFPUTIL_OFPAT12_SET_FIELD:
        set_field_parse(arg, ofpacts);
        break;

    case OFPUTIL_OFPAT10_STRIP_VLAN:
    case OFPUTIL_OFPAT11_POP_VLAN:
        ofpact_put_STRIP_VLAN(ofpacts);
        break;

    case OFPUTIL_OFPAT11_PUSH_VLAN:
        ethertype = str_to_u16(arg, "ethertype");
        if (ethertype != ETH_TYPE_VLAN_8021Q) {
            /* XXX ETH_TYPE_VLAN_8021AD case isn't supported */
            ovs_fatal(0, "%s: not a valid VLAN ethertype", arg);
        }
        ofpact_put_PUSH_VLAN(ofpacts);
        break;

    case OFPUTIL_OFPAT11_SET_QUEUE:
        ofpact_put_SET_QUEUE(ofpacts)->queue_id = str_to_u32(arg);
        break;


    case OFPUTIL_OFPAT10_SET_DL_SRC:
    case OFPUTIL_OFPAT11_SET_DL_SRC:
        str_to_mac(arg, ofpact_put_SET_ETH_SRC(ofpacts)->mac);
        break;

    case OFPUTIL_OFPAT10_SET_DL_DST:
    case OFPUTIL_OFPAT11_SET_DL_DST:
        str_to_mac(arg, ofpact_put_SET_ETH_DST(ofpacts)->mac);
        break;

    case OFPUTIL_OFPAT10_SET_NW_SRC:
    case OFPUTIL_OFPAT11_SET_NW_SRC:
        str_to_ip(arg, &ip);
        ofpact_put_SET_IPV4_SRC(ofpacts)->ipv4 = ip;
        break;

    case OFPUTIL_OFPAT10_SET_NW_DST:
    case OFPUTIL_OFPAT11_SET_NW_DST:
        str_to_ip(arg, &ip);
        ofpact_put_SET_IPV4_DST(ofpacts)->ipv4 = ip;
        break;

    case OFPUTIL_OFPAT10_SET_NW_TOS:
    case OFPUTIL_OFPAT11_SET_NW_TOS:
        tos = str_to_u32(arg);
        if (tos & ~IP_DSCP_MASK) {
            ovs_fatal(0, "%s: not a valid TOS", arg);
        }
        ofpact_put_SET_IPV4_DSCP(ofpacts)->dscp = tos;
        break;

    case OFPUTIL_OFPAT11_DEC_NW_TTL:
        NOT_REACHED();

    case OFPUTIL_OFPAT10_SET_TP_SRC:
    case OFPUTIL_OFPAT11_SET_TP_SRC:
        ofpact_put_SET_L4_SRC_PORT(ofpacts)->port = str_to_u32(arg);
        break;

    case OFPUTIL_OFPAT10_SET_TP_DST:
    case OFPUTIL_OFPAT11_SET_TP_DST:
        ofpact_put_SET_L4_DST_PORT(ofpacts)->port = str_to_u32(arg);
        break;

    case OFPUTIL_OFPAT10_ENQUEUE:
        parse_enqueue(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_RESUBMIT:
        parse_resubmit(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_SET_TUNNEL:
    case OFPUTIL_NXAST_SET_TUNNEL64:
        tunnel = ofpact_put_SET_TUNNEL(ofpacts);
        tunnel->ofpact.compat = code;
        tunnel->tun_id = str_to_u64(arg);
        break;

    case OFPUTIL_NXAST_WRITE_METADATA:
        parse_metadata(ofpacts, arg);
        break;

    case OFPUTIL_NXAST_SET_QUEUE:
        ofpact_put_SET_QUEUE(ofpacts)->queue_id = str_to_u32(arg);
        break;

    case OFPUTIL_NXAST_POP_QUEUE:
        ofpact_put_POP_QUEUE(ofpacts);
        break;

    case OFPUTIL_NXAST_REG_MOVE:
        nxm_parse_reg_move(ofpact_put_REG_MOVE(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_REG_LOAD:
        nxm_parse_reg_load(ofpact_put_REG_LOAD(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_NOTE:
        parse_note(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_MULTIPATH:
        multipath_parse(ofpact_put_MULTIPATH(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_BUNDLE:
        bundle_parse(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_BUNDLE_LOAD:
        bundle_parse_load(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_RESUBMIT_TABLE:
    case OFPUTIL_NXAST_OUTPUT_REG:
    case OFPUTIL_NXAST_DEC_TTL_CNT_IDS:
        NOT_REACHED();

    case OFPUTIL_NXAST_LEARN:
        learn_parse(arg, ofpacts);
        break;

    case OFPUTIL_NXAST_EXIT:
        ofpact_put_EXIT(ofpacts);
        break;

    case OFPUTIL_NXAST_DEC_TTL:
        parse_dec_ttl(ofpacts, arg);
        break;

    case OFPUTIL_NXAST_SET_MPLS_TTL:
    case OFPUTIL_OFPAT11_SET_MPLS_TTL:
        parse_set_mpls_ttl(ofpacts, arg);
        break;

    case OFPUTIL_OFPAT11_DEC_MPLS_TTL:
    case OFPUTIL_NXAST_DEC_MPLS_TTL:
        ofpact_put_DEC_MPLS_TTL(ofpacts);
        break;

    case OFPUTIL_NXAST_FIN_TIMEOUT:
        parse_fin_timeout(ofpacts, arg);
        break;

    case OFPUTIL_NXAST_CONTROLLER:
        parse_controller(ofpacts, arg);
        break;

    case OFPUTIL_OFPAT11_PUSH_MPLS:
    case OFPUTIL_NXAST_PUSH_MPLS:
        ofpact_put_PUSH_MPLS(ofpacts)->ethertype =
            htons(str_to_u16(arg, "push_mpls"));
        break;

    case OFPUTIL_OFPAT11_POP_MPLS:
    case OFPUTIL_NXAST_POP_MPLS:
        ofpact_put_POP_MPLS(ofpacts)->ethertype =
            htons(str_to_u16(arg, "pop_mpls"));
        break;

    case OFPUTIL_NXAST_STACK_PUSH:
        nxm_parse_stack_action(ofpact_put_STACK_PUSH(ofpacts), arg);
        break;
    case OFPUTIL_NXAST_STACK_POP:
        nxm_parse_stack_action(ofpact_put_STACK_POP(ofpacts), arg);
        break;

    case OFPUTIL_NXAST_SAMPLE:
        parse_sample(ofpacts, arg);
        break;
    }
}