On Fri, Mar 11, 2016 at 03:18:00PM +0530, Ajmer Singh wrote:
> ---------- Forwarded message ----------
> From: Ajmer Singh <ajmersingh.t...@gmail.com>
> Date: Fri, Mar 11, 2016 at 3:16 PM
> Subject: Re: [ovs-dev] Where to add GTP tunnel headers in datapath flow
> table of open vSwitch
> To: Jesse Gross <je...@kernel.org>
>
>
> Hi,
>
>
> openflow1.3 specification supports below match fields.
>
> enum oxm_ofb_match_fields {
> OFPXMT_OFB_IN_PORT = 0, /* Switch input port. */
> OFPXMT_OFB_IN_PHY_PORT = 1, /* Switch physical input port. */
> OFPXMT_OFB_METADATA = 2, /* Metadata passed between tables. */
> OFPXMT_OFB_ETH_DST = 3, /* Ethernet destination address. */
> OFPXMT_OFB_ETH_SRC = 4, /* Ethernet source address. */
> OFPXMT_OFB_ETH_TYPE = 5, /* Ethernet frame type. */
> OFPXMT_OFB_VLAN_VID = 6, /* VLAN id. */
> ---------------------------------------
> OFPXMT_OFB_IPV6_EXTHDR = 39, /* IPv6 Extension Header pseudo-field */
> }
> but open Vswitch2.4 does have different enum constants for match fields.
>
> enum OVS_PACKED_ENUM mf_field_id{
> MFF_DP_HASH,
> MFF_RECIRC_ID,
> MFF_CONJ_ID,
> MFF_TUN_ID,
> MFF_TUN_SRC,
> MFF_TUN_DST,
> MFF_TUN_FLAGS,
> MFF_TUN_TTL,
> MFF_TUN_TOS,
> MFF_TUN_GBP_ID,
> MFF_TUN_GBP_FLAGS,
> MFF_METADATA,
> MFF_IN_PORT,
> MFF_IN_PORT_OXM,
> MFF_ACTSET_OUTPUT,
> MFF_SKB_PRIORITY,
> MFF_PKT_MARK,
> MFF_REG0,
> MFF_REG1,
> MFF_REG2,
> MFF_REG3,
> MFF_REG4,
> MFF_REG5,
> MFF_REG6,
> MFF_REG7,
> #error "Need to update MFF_REG* to match FLOW_N_REGS"
> MFF_XREG0,
> MFF_XREG1,
> MFF_XREG2,
> MFF_XREG3,
> #error "Need to update MFF_REG* to match FLOW_N_XREGS"
> MFF_ETH_SRC,
> MFF_ETH_DST,
> MFF_ETH_TYPE,
> MFF_VLAN_TCI,
> MFF_DL_VLAN,
> MFF_VLAN_VID,
> MFF_DL_VLAN_PCP,
> MFF_VLAN_PCP,
> MFF_MPLS_LABEL,
> MFF_MPLS_TC,
> MFF_MPLS_BOS,
> /* Update mf_is_l3_or_higher() if MFF_IPV4_SRC is no longer the first
> element
> MFF_IPV4_SRC,
> MFF_IPV4_DST,
> MFF_IPV6_SRC,
> MFF_IPV6_DST,
> MFF_IPV6_LABEL,
> MFF_IP_PROTO,
> MFF_IP_DSCP,
> MFF_IP_DSCP_SHIFTED,
> MFF_IP_ECN,
> MFF_IP_TTL,
> MFF_IP_FRAG,
> MFF_ARP_OP,
> MFF_ARP_SPA,
> MFF_ARP_TPA,
> MFF_ARP_SHA,
> MFF_ARP_THA,
> MFF_TCP_SRC,
> MFF_TCP_DST,
> MFF_TCP_FLAGS,
> MFF_UDP_SRC,
> MFF_UDP_DST,
> MFF_SCTP_SRC,
> MFF_SCTP_DST,
> MFF_ICMPV4_TYPE,
> MFF_ICMPV4_CODE,
> MFF_ICMPV6_TYPE,
> MFF_ICMPV6_CODE,
> MFF_ND_TARGET,
> MFF_ND_SLL,
> MFF_ND_TLL,
> MFF_N_IDS
> }
> Could you please guide how these maps to standard openflow specification
> match fields?
There's a *huge* comment in meta-flow.h that explains the whole thing.
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