/*
- * Copyright (c) 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2011, 2012, 2013 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 "meta-flow.h"
-#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <netinet/icmp6.h>
#include "dynamic-string.h"
#include "ofp-errors.h"
#include "ofp-util.h"
+#include "ovs-thread.h"
#include "packets.h"
#include "random.h"
#include "shash.h"
VLOG_DEFINE_THIS_MODULE(meta_flow);
+#define FLOW_U32OFS(FIELD) \
+ offsetof(struct flow, FIELD) % 4 ? -1 : offsetof(struct flow, FIELD) / 4
+
#define MF_FIELD_SIZES(MEMBER) \
sizeof ((union mf_value *)0)->MEMBER, \
8 * sizeof ((union mf_value *)0)->MEMBER
-static const struct mf_field mf_fields[MFF_N_IDS] = {
+extern const struct mf_field mf_fields[MFF_N_IDS]; /* Silence a warning. */
+
+const struct mf_field mf_fields[MFF_N_IDS] = {
/* ## -------- ## */
/* ## metadata ## */
/* ## -------- ## */
{
- MFF_TUN_ID, "tun_id", NULL,
+ MFF_DP_HASH, "dp_hash", NULL,
+ MF_FIELD_SIZES(be32),
+ MFM_FULLY,
+ MFS_HEXADECIMAL,
+ MFP_NONE,
+ false,
+ NXM_NX_DP_HASH, "NXM_NX_DP_HASH",
+ NXM_NX_DP_HASH, "NXM_NX_DP_HASH",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
+ }, {
+ MFF_RECIRC_ID, "recirc_id", NULL,
+ MF_FIELD_SIZES(be32),
+ MFM_NONE,
+ MFS_DECIMAL,
+ MFP_NONE,
+ false,
+ NXM_NX_RECIRC_ID, "NXM_NX_RECIRC_ID",
+ NXM_NX_RECIRC_ID, "NXM_NX_RECIRC_ID",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
+ }, {
+ MFF_TUN_ID, "tun_id", "tunnel_id",
MF_FIELD_SIZES(be64),
MFM_FULLY,
MFS_HEXADECIMAL,
MFP_NONE,
true,
NXM_NX_TUN_ID, "NXM_NX_TUN_ID",
- NXM_NX_TUN_ID, "NXM_NX_TUN_ID",
+ OXM_OF_TUNNEL_ID, "OXM_OF_TUNNEL_ID",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ FLOW_U32OFS(tunnel.tun_id),
+ }, {
+ MFF_TUN_SRC, "tun_src", NULL,
+ MF_FIELD_SIZES(be32),
+ MFM_FULLY,
+ MFS_IPV4,
+ MFP_NONE,
+ true,
+ NXM_NX_TUN_IPV4_SRC, "NXM_NX_TUN_IPV4_SRC",
+ NXM_NX_TUN_IPV4_SRC, "NXM_NX_TUN_IPV4_SRC",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ FLOW_U32OFS(tunnel.ip_src),
+ }, {
+ MFF_TUN_DST, "tun_dst", NULL,
+ MF_FIELD_SIZES(be32),
+ MFM_FULLY,
+ MFS_IPV4,
+ MFP_NONE,
+ true,
+ NXM_NX_TUN_IPV4_DST, "NXM_NX_TUN_IPV4_DST",
+ NXM_NX_TUN_IPV4_DST, "NXM_NX_TUN_IPV4_DST",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ FLOW_U32OFS(tunnel.ip_dst),
+ }, {
+ MFF_TUN_FLAGS, "tun_flags", NULL,
+ MF_FIELD_SIZES(be16),
+ MFM_NONE,
+ MFS_TNL_FLAGS,
+ MFP_NONE,
+ false,
+ 0, NULL,
+ 0, NULL,
+ OFPUTIL_P_NONE,
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_TUN_TTL, "tun_ttl", NULL,
+ MF_FIELD_SIZES(u8),
+ MFM_NONE,
+ MFS_DECIMAL,
+ MFP_NONE,
+ false,
+ 0, NULL,
+ 0, NULL,
+ OFPUTIL_P_NONE,
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_TUN_TOS, "tun_tos", NULL,
+ MF_FIELD_SIZES(u8),
+ MFM_NONE,
+ MFS_DECIMAL,
+ MFP_NONE,
+ false,
+ 0, NULL,
+ 0, NULL,
+ OFPUTIL_P_NONE,
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_METADATA, "metadata", NULL,
MF_FIELD_SIZES(be64),
true,
OXM_OF_METADATA, "OXM_OF_METADATA",
OXM_OF_METADATA, "OXM_OF_METADATA",
+ OFPUTIL_P_NXM_OF11_UP,
+ OFPUTIL_P_NXM_OF11_UP,
+ -1,
}, {
MFF_IN_PORT, "in_port", NULL,
MF_FIELD_SIZES(be16),
MFM_NONE,
MFS_OFP_PORT,
MFP_NONE,
- false,
+ true,
NXM_OF_IN_PORT, "NXM_OF_IN_PORT",
+ NXM_OF_IN_PORT, "NXM_OF_IN_PORT",
+ OFPUTIL_P_ANY, /* OF11+ via mapping to 32 bits. */
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_IN_PORT_OXM, "in_port_oxm", NULL,
+ MF_FIELD_SIZES(be32),
+ MFM_NONE,
+ MFS_OFP_PORT_OXM,
+ MFP_NONE,
+ true,
+ OXM_OF_IN_PORT, "OXM_OF_IN_PORT",
OXM_OF_IN_PORT, "OXM_OF_IN_PORT",
+ OFPUTIL_P_OF11_UP,
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_SKB_PRIORITY, "skb_priority", NULL,
+ MF_FIELD_SIZES(be32),
+ MFM_NONE,
+ MFS_HEXADECIMAL,
+ MFP_NONE,
+ false,
+ 0, NULL,
+ 0, NULL,
+ OFPUTIL_P_NONE,
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_PKT_MARK, "pkt_mark", NULL,
+ MF_FIELD_SIZES(be32),
+ MFM_FULLY,
+ MFS_HEXADECIMAL,
+ MFP_NONE,
+ true,
+ NXM_NX_PKT_MARK, "NXM_NX_PKT_MARK",
+ NXM_NX_PKT_MARK, "NXM_NX_PKT_MARK",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
},
#define REGISTER(IDX) \
true, \
NXM_NX_REG(IDX), "NXM_NX_REG" #IDX, \
NXM_NX_REG(IDX), "NXM_NX_REG" #IDX, \
+ OFPUTIL_P_NXM_OXM_ANY, \
+ OFPUTIL_P_NXM_OXM_ANY, \
+ -1, \
}
#if FLOW_N_REGS > 0
REGISTER(0),
true,
NXM_OF_ETH_SRC, "NXM_OF_ETH_SRC",
OXM_OF_ETH_SRC, "OXM_OF_ETH_SRC",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OF11_UP, /* Bitwise masking only with NXM and OF11+! */
+ -1,
}, {
MFF_ETH_DST, "eth_dst", "dl_dst",
MF_FIELD_SIZES(mac),
true,
NXM_OF_ETH_DST, "NXM_OF_ETH_DST",
OXM_OF_ETH_DST, "OXM_OF_ETH_DST",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OF11_UP, /* Bitwise masking only with NXM and OF11+! */
+ -1,
}, {
MFF_ETH_TYPE, "eth_type", "dl_type",
MF_FIELD_SIZES(be16),
false,
NXM_OF_ETH_TYPE, "NXM_OF_ETH_TYPE",
OXM_OF_ETH_TYPE, "OXM_OF_ETH_TYPE",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NONE,
+ -1,
},
{
true,
NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI",
NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_DL_VLAN, "dl_vlan", NULL,
sizeof(ovs_be16), 12,
true,
0, NULL,
0, NULL,
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_VLAN_VID, "vlan_vid", NULL,
sizeof(ovs_be16), 12,
true,
OXM_OF_VLAN_VID, "OXM_OF_VLAN_VID",
OXM_OF_VLAN_VID, "OXM_OF_VLAN_VID",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_DL_VLAN_PCP, "dl_vlan_pcp", NULL,
1, 3,
true,
0, NULL,
0, NULL,
+ OFPUTIL_P_ANY, /* Will be mapped to NXM and OXM. */
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_VLAN_PCP, "vlan_pcp", NULL,
1, 3,
true,
OXM_OF_VLAN_PCP, "OXM_OF_VLAN_PCP",
OXM_OF_VLAN_PCP, "OXM_OF_VLAN_PCP",
+ OFPUTIL_P_ANY, /* Will be mapped to OF10 and NXM. */
+ OFPUTIL_P_NONE,
+ -1,
+ },
+
+ /* ## ---- ## */
+ /* ## L2.5 ## */
+ /* ## ---- ## */
+ {
+ MFF_MPLS_LABEL, "mpls_label", NULL,
+ 4, 20,
+ MFM_NONE,
+ MFS_DECIMAL,
+ MFP_MPLS,
+ true,
+ OXM_OF_MPLS_LABEL, "OXM_OF_MPLS_LABEL",
+ OXM_OF_MPLS_LABEL, "OXM_OF_MPLS_LABEL",
+ OFPUTIL_P_NXM_OF11_UP,
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_MPLS_TC, "mpls_tc", NULL,
+ 1, 3,
+ MFM_NONE,
+ MFS_DECIMAL,
+ MFP_MPLS,
+ true,
+ OXM_OF_MPLS_TC, "OXM_OF_MPLS_TC",
+ OXM_OF_MPLS_TC, "OXM_OF_MPLS_TC",
+ OFPUTIL_P_NXM_OF11_UP,
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_MPLS_BOS, "mpls_bos", NULL,
+ 1, 1,
+ MFM_NONE,
+ MFS_DECIMAL,
+ MFP_MPLS,
+ false,
+ OXM_OF_MPLS_BOS, "OXM_OF_MPLS_BOS",
+ OXM_OF_MPLS_BOS, "OXM_OF_MPLS_BOS",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NONE,
+ -1,
},
/* ## -- ## */
true,
NXM_OF_IP_SRC, "NXM_OF_IP_SRC",
OXM_OF_IPV4_SRC, "OXM_OF_IPV4_SRC",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OF11_UP,
+ FLOW_U32OFS(nw_src),
}, {
MFF_IPV4_DST, "ip_dst", "nw_dst",
MF_FIELD_SIZES(be32),
true,
NXM_OF_IP_DST, "NXM_OF_IP_DST",
OXM_OF_IPV4_DST, "OXM_OF_IPV4_DST",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OF11_UP,
+ FLOW_U32OFS(nw_dst),
},
{
true,
NXM_NX_IPV6_SRC, "NXM_NX_IPV6_SRC",
OXM_OF_IPV6_SRC, "OXM_OF_IPV6_SRC",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ FLOW_U32OFS(ipv6_src),
}, {
MFF_IPV6_DST, "ipv6_dst", NULL,
MF_FIELD_SIZES(ipv6),
true,
NXM_NX_IPV6_DST, "NXM_NX_IPV6_DST",
OXM_OF_IPV6_DST, "OXM_OF_IPV6_DST",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ FLOW_U32OFS(ipv6_dst),
},
{
MFF_IPV6_LABEL, "ipv6_label", NULL,
false,
NXM_NX_IPV6_LABEL, "NXM_NX_IPV6_LABEL",
OXM_OF_IPV6_FLABEL, "OXM_OF_IPV6_FLABEL",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
},
{
- MFF_IP_PROTO, "nw_proto", NULL,
+ MFF_IP_PROTO, "nw_proto", "ip_proto",
MF_FIELD_SIZES(u8),
MFM_NONE,
MFS_DECIMAL,
false,
NXM_OF_IP_PROTO, "NXM_OF_IP_PROTO",
OXM_OF_IP_PROTO, "OXM_OF_IP_PROTO",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_IP_DSCP, "nw_tos", NULL,
MF_FIELD_SIZES(u8),
MFP_IP_ANY,
true,
NXM_OF_IP_TOS, "NXM_OF_IP_TOS",
+ NXM_OF_IP_TOS, "NXM_OF_IP_TOS",
+ OFPUTIL_P_ANY, /* Will be shifted for OXM. */
+ OFPUTIL_P_NONE,
+ -1,
+ }, {
+ MFF_IP_DSCP_SHIFTED, "ip_dscp", NULL,
+ 1, 6,
+ MFM_NONE,
+ MFS_DECIMAL,
+ MFP_IP_ANY,
+ true,
+ OXM_OF_IP_DSCP, "OXM_OF_IP_DSCP",
OXM_OF_IP_DSCP, "OXM_OF_IP_DSCP",
+ OFPUTIL_P_ANY, /* Will be shifted for non-OXM. */
+ OFPUTIL_P_NONE,
+ -1,
}, {
- MFF_IP_ECN, "nw_ecn", NULL,
+ MFF_IP_ECN, "nw_ecn", "ip_ecn",
1, 2,
MFM_NONE,
MFS_DECIMAL,
true,
NXM_NX_IP_ECN, "NXM_NX_IP_ECN",
OXM_OF_IP_ECN, "OXM_OF_IP_ECN",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_IP_TTL, "nw_ttl", NULL,
MF_FIELD_SIZES(u8),
true,
NXM_NX_IP_TTL, "NXM_NX_IP_TTL",
NXM_NX_IP_TTL, "NXM_NX_IP_TTL",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_IP_FRAG, "ip_frag", NULL,
1, 2,
false,
NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG",
NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
},
{
MFM_NONE,
MFS_DECIMAL,
MFP_ARP,
- false,
+ true,
NXM_OF_ARP_OP, "NXM_OF_ARP_OP",
OXM_OF_ARP_OP, "OXM_OF_ARP_OP",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_ARP_SPA, "arp_spa", NULL,
MF_FIELD_SIZES(be32),
MFM_FULLY,
MFS_IPV4,
MFP_ARP,
- false,
+ true,
NXM_OF_ARP_SPA, "NXM_OF_ARP_SPA",
OXM_OF_ARP_SPA, "OXM_OF_ARP_SPA",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OF11_UP,
+ -1,
}, {
MFF_ARP_TPA, "arp_tpa", NULL,
MF_FIELD_SIZES(be32),
MFM_FULLY,
MFS_IPV4,
MFP_ARP,
- false,
+ true,
NXM_OF_ARP_TPA, "NXM_OF_ARP_TPA",
OXM_OF_ARP_TPA, "OXM_OF_ARP_TPA",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OF11_UP,
+ -1,
}, {
MFF_ARP_SHA, "arp_sha", NULL,
MF_FIELD_SIZES(mac),
MFM_FULLY,
MFS_ETHERNET,
MFP_ARP,
- false,
+ true,
NXM_NX_ARP_SHA, "NXM_NX_ARP_SHA",
OXM_OF_ARP_SHA, "OXM_OF_ARP_SHA",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_ARP_THA, "arp_tha", NULL,
MF_FIELD_SIZES(mac),
MFM_FULLY,
MFS_ETHERNET,
MFP_ARP,
- false,
+ true,
NXM_NX_ARP_THA, "NXM_NX_ARP_THA",
OXM_OF_ARP_THA, "OXM_OF_ARP_THA",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
},
/* ## -- ## */
true,
NXM_OF_TCP_SRC, "NXM_OF_TCP_SRC",
OXM_OF_TCP_SRC, "OXM_OF_TCP_SRC",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_TCP_DST, "tcp_dst", "tp_dst",
MF_FIELD_SIZES(be16),
true,
NXM_OF_TCP_DST, "NXM_OF_TCP_DST",
OXM_OF_TCP_DST, "OXM_OF_TCP_DST",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
+ }, {
+ MFF_TCP_FLAGS, "tcp_flags", NULL,
+ 2, 12,
+ MFM_FULLY,
+ MFS_TCP_FLAGS,
+ MFP_TCP,
+ false,
+ NXM_NX_TCP_FLAGS, "NXM_NX_TCP_FLAGS",
+ NXM_NX_TCP_FLAGS, "NXM_NX_TCP_FLAGS",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
},
{
true,
NXM_OF_UDP_SRC, "NXM_OF_UDP_SRC",
OXM_OF_UDP_SRC, "OXM_OF_UDP_SRC",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_UDP_DST, "udp_dst", NULL,
MF_FIELD_SIZES(be16),
true,
NXM_OF_UDP_DST, "NXM_OF_UDP_DST",
OXM_OF_UDP_DST, "OXM_OF_UDP_DST",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
+ },
+
+ {
+ MFF_SCTP_SRC, "sctp_src", NULL,
+ MF_FIELD_SIZES(be16),
+ MFM_FULLY,
+ MFS_DECIMAL,
+ MFP_SCTP,
+ true,
+ OXM_OF_SCTP_SRC, "OXM_OF_SCTP_SRC",
+ OXM_OF_SCTP_SRC, "OXM_OF_SCTP_SRC",
+ OFPUTIL_P_NXM_OF11_UP,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
+ }, {
+ MFF_SCTP_DST, "sctp_dst", NULL,
+ MF_FIELD_SIZES(be16),
+ MFM_FULLY,
+ MFS_DECIMAL,
+ MFP_SCTP,
+ true,
+ OXM_OF_SCTP_DST, "OXM_OF_SCTP_DST",
+ OXM_OF_SCTP_DST, "OXM_OF_SCTP_DST",
+ OFPUTIL_P_NXM_OF11_UP,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
},
{
false,
NXM_OF_ICMP_TYPE, "NXM_OF_ICMP_TYPE",
OXM_OF_ICMPV4_TYPE, "OXM_OF_ICMPV4_TYPE",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_ICMPV4_CODE, "icmp_code", NULL,
MF_FIELD_SIZES(u8),
false,
NXM_OF_ICMP_CODE, "NXM_OF_ICMP_CODE",
OXM_OF_ICMPV4_CODE, "OXM_OF_ICMPV4_CODE",
+ OFPUTIL_P_ANY,
+ OFPUTIL_P_NONE,
+ -1,
},
{
false,
NXM_NX_ICMPV6_TYPE, "NXM_NX_ICMPV6_TYPE",
OXM_OF_ICMPV6_TYPE, "OXM_OF_ICMPV6_TYPE",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NONE,
+ -1,
}, {
MFF_ICMPV6_CODE, "icmpv6_code", NULL,
MF_FIELD_SIZES(u8),
false,
NXM_NX_ICMPV6_CODE, "NXM_NX_ICMPV6_CODE",
OXM_OF_ICMPV6_CODE, "OXM_OF_ICMPV6_CODE",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NONE,
+ -1,
},
/* ## ---- ## */
false,
NXM_NX_ND_TARGET, "NXM_NX_ND_TARGET",
OXM_OF_IPV6_ND_TARGET, "OXM_OF_IPV6_ND_TARGET",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_ND_SLL, "nd_sll", NULL,
MF_FIELD_SIZES(mac),
false,
NXM_NX_ND_SLL, "NXM_NX_ND_SLL",
OXM_OF_IPV6_ND_SLL, "OXM_OF_IPV6_ND_SLL",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}, {
MFF_ND_TLL, "nd_tll", NULL,
MF_FIELD_SIZES(mac),
false,
NXM_NX_ND_TLL, "NXM_NX_ND_TLL",
OXM_OF_IPV6_ND_TLL, "OXM_OF_IPV6_ND_TLL",
+ OFPUTIL_P_NXM_OXM_ANY,
+ OFPUTIL_P_NXM_OXM_ANY,
+ -1,
}
};
};
/* Contains 'struct nxm_field's. */
-static struct hmap all_fields = HMAP_INITIALIZER(&all_fields);
+static struct hmap all_fields;
+
+/* Maps from an mf_field's 'name' or 'extra_name' to the mf_field. */
+static struct shash mf_by_name;
/* Rate limit for parse errors. These always indicate a bug in an OpenFlow
* controller and so there's not much point in showing a lot of them. */
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
const struct mf_field *mf_from_nxm_header__(uint32_t header);
-
-/* Returns the field with the given 'id'. */
-const struct mf_field *
-mf_from_id(enum mf_field_id id)
-{
- assert((unsigned int) id < MFF_N_IDS);
- return &mf_fields[id];
-}
+static void nxm_init(void);
/* Returns the field with the given 'name', or a null pointer if no field has
* that name. */
const struct mf_field *
mf_from_name(const char *name)
{
- static struct shash mf_by_name = SHASH_INITIALIZER(&mf_by_name);
-
- if (shash_is_empty(&mf_by_name)) {
- const struct mf_field *mf;
-
- for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) {
- shash_add_once(&mf_by_name, mf->name, mf);
- if (mf->extra_name) {
- shash_add_once(&mf_by_name, mf->extra_name, mf);
- }
- }
- }
-
+ nxm_init();
return shash_find_data(&mf_by_name, name);
}
nxm_init_add_field(const struct mf_field *mf, uint32_t header)
{
if (header) {
- assert(!mf_from_nxm_header__(header));
+ ovs_assert(!mf_from_nxm_header__(header));
add_nxm_field(header, mf);
if (mf->maskable != MFM_NONE) {
add_nxm_field(NXM_MAKE_WILD_HEADER(header), mf);
}
static void
-nxm_init(void)
+nxm_do_init(void)
{
- const struct mf_field *mf;
+ int i;
+
+ hmap_init(&all_fields);
+ shash_init(&mf_by_name);
+ for (i = 0; i < MFF_N_IDS; i++) {
+ const struct mf_field *mf = &mf_fields[i];
+
+ ovs_assert(mf->id == i); /* Fields must be in the enum order. */
- for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) {
nxm_init_add_field(mf, mf->nxm_header);
if (mf->oxm_header != mf->nxm_header) {
nxm_init_add_field(mf, mf->oxm_header);
}
+
+ shash_add_once(&mf_by_name, mf->name, mf);
+ if (mf->extra_name) {
+ shash_add_once(&mf_by_name, mf->extra_name, mf);
+ }
}
}
+static void
+nxm_init(void)
+{
+ static pthread_once_t once = PTHREAD_ONCE_INIT;
+ pthread_once(&once, nxm_do_init);
+}
+
const struct mf_field *
mf_from_nxm_header(uint32_t header)
{
- if (hmap_is_empty(&all_fields)) {
- nxm_init();
- }
+ nxm_init();
return mf_from_nxm_header__(header);
}
mf_is_all_wild(const struct mf_field *mf, const struct flow_wildcards *wc)
{
switch (mf->id) {
+ case MFF_DP_HASH:
+ return !wc->masks.dp_hash;
+ case MFF_RECIRC_ID:
+ return !wc->masks.recirc_id;
+ case MFF_TUN_SRC:
+ return !wc->masks.tunnel.ip_src;
+ case MFF_TUN_DST:
+ return !wc->masks.tunnel.ip_dst;
case MFF_TUN_ID:
- return !wc->masks.tun_id;
+ case MFF_TUN_TOS:
+ case MFF_TUN_TTL:
+ case MFF_TUN_FLAGS:
+ return !wc->masks.tunnel.tun_id;
case MFF_METADATA:
return !wc->masks.metadata;
case MFF_IN_PORT:
- return !wc->masks.in_port;
+ case MFF_IN_PORT_OXM:
+ return !wc->masks.in_port.ofp_port;
+ case MFF_SKB_PRIORITY:
+ return !wc->masks.skb_priority;
+ case MFF_PKT_MARK:
+ return !wc->masks.pkt_mark;
CASE_MFF_REGS:
return !wc->masks.regs[mf->id - MFF_REG0];
case MFF_VLAN_PCP:
return !(wc->masks.vlan_tci & htons(VLAN_PCP_MASK));
+ case MFF_MPLS_LABEL:
+ return !(wc->masks.mpls_lse[0] & htonl(MPLS_LABEL_MASK));
+ case MFF_MPLS_TC:
+ return !(wc->masks.mpls_lse[1] & htonl(MPLS_TC_MASK));
+ case MFF_MPLS_BOS:
+ return !(wc->masks.mpls_lse[2] & htonl(MPLS_BOS_MASK));
+
case MFF_IPV4_SRC:
return !wc->masks.nw_src;
case MFF_IPV4_DST:
case MFF_IP_PROTO:
return !wc->masks.nw_proto;
case MFF_IP_DSCP:
+ case MFF_IP_DSCP_SHIFTED:
return !(wc->masks.nw_tos & IP_DSCP_MASK);
case MFF_IP_ECN:
return !(wc->masks.nw_tos & IP_ECN_MASK);
case MFF_TCP_SRC:
case MFF_UDP_SRC:
+ case MFF_SCTP_SRC:
case MFF_ICMPV4_TYPE:
case MFF_ICMPV6_TYPE:
return !wc->masks.tp_src;
case MFF_TCP_DST:
case MFF_UDP_DST:
+ case MFF_SCTP_DST:
case MFF_ICMPV4_CODE:
case MFF_ICMPV6_CODE:
return !wc->masks.tp_dst;
+ case MFF_TCP_FLAGS:
+ return !wc->masks.tcp_flags;
case MFF_N_IDS:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
mf_get_mask(const struct mf_field *mf, const struct flow_wildcards *wc,
union mf_value *mask)
{
- switch (mf->id) {
- case MFF_TUN_ID:
- mask->be64 = wc->masks.tun_id;
- break;
- case MFF_METADATA:
- mask->be64 = wc->masks.metadata;
- break;
- case MFF_IN_PORT:
- mask->be16 = htons(wc->masks.in_port);
- break;
- CASE_MFF_REGS:
- mask->be32 = htonl(wc->masks.regs[mf->id - MFF_REG0]);
- break;
-
- case MFF_ETH_DST:
- memcpy(mask->mac, wc->masks.dl_dst, ETH_ADDR_LEN);
- break;
- case MFF_ETH_SRC:
- memcpy(mask->mac, wc->masks.dl_src, ETH_ADDR_LEN);
- break;
- case MFF_ETH_TYPE:
- mask->be16 = wc->masks.dl_type;
- break;
-
- case MFF_VLAN_TCI:
- mask->be16 = wc->masks.vlan_tci;
- break;
- case MFF_DL_VLAN:
- mask->be16 = wc->masks.vlan_tci & htons(VLAN_VID_MASK);
- break;
- case MFF_VLAN_VID:
- mask->be16 = wc->masks.vlan_tci & htons(VLAN_VID_MASK | VLAN_CFI);
- break;
- case MFF_DL_VLAN_PCP:
- case MFF_VLAN_PCP:
- mask->u8 = vlan_tci_to_pcp(wc->masks.vlan_tci);
- break;
-
- case MFF_IPV4_SRC:
- mask->be32 = wc->masks.nw_src;
- break;
- case MFF_IPV4_DST:
- mask->be32 = wc->masks.nw_dst;
- break;
-
- case MFF_IPV6_SRC:
- mask->ipv6 = wc->masks.ipv6_src;
- break;
- case MFF_IPV6_DST:
- mask->ipv6 = wc->masks.ipv6_dst;
- break;
- case MFF_IPV6_LABEL:
- mask->be32 = wc->masks.ipv6_label;
- break;
-
- case MFF_IP_PROTO:
- mask->u8 = wc->masks.nw_proto;
- break;
- case MFF_IP_DSCP:
- mask->u8 = wc->masks.nw_tos & IP_DSCP_MASK;
- break;
- case MFF_IP_ECN:
- mask->u8 = wc->masks.nw_tos & IP_ECN_MASK;
- break;
-
- case MFF_ND_TARGET:
- mask->ipv6 = wc->masks.nd_target;
- break;
-
- case MFF_IP_TTL:
- mask->u8 = wc->masks.nw_ttl;
- break;
- case MFF_IP_FRAG:
- mask->u8 = wc->masks.nw_frag & FLOW_NW_FRAG_MASK;
- break;
-
- case MFF_ARP_OP:
- mask->u8 = wc->masks.nw_proto;
- break;
- case MFF_ARP_SPA:
- mask->be32 = wc->masks.nw_src;
- break;
- case MFF_ARP_TPA:
- mask->be32 = wc->masks.nw_dst;
- break;
- case MFF_ARP_SHA:
- case MFF_ND_SLL:
- memcpy(mask->mac, wc->masks.arp_sha, ETH_ADDR_LEN);
- break;
- case MFF_ARP_THA:
- case MFF_ND_TLL:
- memcpy(mask->mac, wc->masks.arp_tha, ETH_ADDR_LEN);
- break;
-
- case MFF_TCP_SRC:
- case MFF_UDP_SRC:
- mask->be16 = wc->masks.tp_src;
- break;
- case MFF_TCP_DST:
- case MFF_UDP_DST:
- mask->be16 = wc->masks.tp_dst;
- break;
-
- case MFF_ICMPV4_TYPE:
- case MFF_ICMPV6_TYPE:
- mask->u8 = ntohs(wc->masks.tp_src);
- break;
- case MFF_ICMPV4_CODE:
- case MFF_ICMPV6_CODE:
- mask->u8 = ntohs(wc->masks.tp_dst);
- break;
-
- case MFF_N_IDS:
- default:
- NOT_REACHED();
- }
+ mf_get_value(mf, &wc->masks, mask);
}
/* Tests whether 'mask' is a valid wildcard bit pattern for 'mf'. Returns true
return true;
}
- NOT_REACHED();
-}
-
-static bool
-is_ip_any(const struct flow *flow)
-{
- return (flow->dl_type == htons(ETH_TYPE_IP) ||
- flow->dl_type == htons(ETH_TYPE_IPV6));
-}
-
-static bool
-is_icmpv4(const struct flow *flow)
-{
- return (flow->dl_type == htons(ETH_TYPE_IP)
- && flow->nw_proto == IPPROTO_ICMP);
-}
-
-static bool
-is_icmpv6(const struct flow *flow)
-{
- return (flow->dl_type == htons(ETH_TYPE_IPV6)
- && flow->nw_proto == IPPROTO_ICMPV6);
+ OVS_NOT_REACHED();
}
/* Returns true if 'flow' meets the prerequisites for 'mf', false otherwise. */
return true;
case MFP_ARP:
- return flow->dl_type == htons(ETH_TYPE_ARP);
+ return (flow->dl_type == htons(ETH_TYPE_ARP) ||
+ flow->dl_type == htons(ETH_TYPE_RARP));
case MFP_IPV4:
return flow->dl_type == htons(ETH_TYPE_IP);
case MFP_IPV6:
return flow->dl_type == htons(ETH_TYPE_IPV6);
case MFP_VLAN_VID:
return (flow->vlan_tci & htons(VLAN_CFI)) != 0;
+ case MFP_MPLS:
+ return eth_type_mpls(flow->dl_type);
case MFP_IP_ANY:
return is_ip_any(flow);
return is_ip_any(flow) && flow->nw_proto == IPPROTO_TCP;
case MFP_UDP:
return is_ip_any(flow) && flow->nw_proto == IPPROTO_UDP;
+ case MFP_SCTP:
+ return is_ip_any(flow) && flow->nw_proto == IPPROTO_SCTP;
case MFP_ICMPV4:
return is_icmpv4(flow);
case MFP_ICMPV6:
&& (flow->tp_src == htons(ND_NEIGHBOR_ADVERT)));
}
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
+/* Set field and it's prerequisities in the mask.
+ * This is only ever called for writeable 'mf's, but we do not make the
+ * distinction here. */
+void
+mf_mask_field_and_prereqs(const struct mf_field *mf, struct flow *mask)
+{
+ static const union mf_value exact_match_mask = MF_EXACT_MASK_INITIALIZER;
+
+ mf_set_flow_value(mf, &exact_match_mask, mask);
+
+ switch (mf->prereqs) {
+ case MFP_ND:
+ case MFP_ND_SOLICIT:
+ case MFP_ND_ADVERT:
+ mask->tp_src = OVS_BE16_MAX;
+ mask->tp_dst = OVS_BE16_MAX;
+ /* Fall through. */
+ case MFP_TCP:
+ case MFP_UDP:
+ case MFP_SCTP:
+ case MFP_ICMPV4:
+ case MFP_ICMPV6:
+ mask->nw_proto = 0xff;
+ /* Fall through. */
+ case MFP_ARP:
+ case MFP_IPV4:
+ case MFP_IPV6:
+ case MFP_MPLS:
+ case MFP_IP_ANY:
+ mask->dl_type = OVS_BE16_MAX;
+ break;
+ case MFP_VLAN_VID:
+ mask->vlan_tci |= htons(VLAN_CFI);
+ break;
+ case MFP_NONE:
+ break;
+ }
+}
+
+
/* Returns true if 'value' may be a valid value *as part of a masked match*,
* false otherwise.
*
mf_is_value_valid(const struct mf_field *mf, const union mf_value *value)
{
switch (mf->id) {
+ case MFF_DP_HASH:
+ case MFF_RECIRC_ID:
case MFF_TUN_ID:
+ case MFF_TUN_SRC:
+ case MFF_TUN_DST:
+ case MFF_TUN_TOS:
+ case MFF_TUN_TTL:
+ case MFF_TUN_FLAGS:
case MFF_METADATA:
case MFF_IN_PORT:
+ case MFF_SKB_PRIORITY:
+ case MFF_PKT_MARK:
CASE_MFF_REGS:
case MFF_ETH_SRC:
case MFF_ETH_DST:
case MFF_TCP_DST:
case MFF_UDP_SRC:
case MFF_UDP_DST:
+ case MFF_SCTP_SRC:
+ case MFF_SCTP_DST:
case MFF_ICMPV4_TYPE:
case MFF_ICMPV4_CODE:
case MFF_ICMPV6_TYPE:
case MFF_ND_TLL:
return true;
+ case MFF_IN_PORT_OXM: {
+ ofp_port_t port;
+ return !ofputil_port_from_ofp11(value->be32, &port);
+ }
+
case MFF_IP_DSCP:
return !(value->u8 & ~IP_DSCP_MASK);
+ case MFF_IP_DSCP_SHIFTED:
+ return !(value->u8 & (~IP_DSCP_MASK >> 2));
case MFF_IP_ECN:
return !(value->u8 & ~IP_ECN_MASK);
case MFF_IP_FRAG:
return !(value->u8 & ~FLOW_NW_FRAG_MASK);
+ case MFF_TCP_FLAGS:
+ return !(value->be16 & ~htons(0x0fff));
case MFF_ARP_OP:
return !(value->be16 & htons(0xff00));
case MFF_IPV6_LABEL:
return !(value->be32 & ~htonl(IPV6_LABEL_MASK));
+ case MFF_MPLS_LABEL:
+ return !(value->be32 & ~htonl(MPLS_LABEL_MASK >> MPLS_LABEL_SHIFT));
+
+ case MFF_MPLS_TC:
+ return !(value->u8 & ~(MPLS_TC_MASK >> MPLS_TC_SHIFT));
+
+ case MFF_MPLS_BOS:
+ return !(value->u8 & ~(MPLS_BOS_MASK >> MPLS_BOS_SHIFT));
+
case MFF_N_IDS:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
union mf_value *value)
{
switch (mf->id) {
+ case MFF_DP_HASH:
+ value->be32 = htonl(flow->dp_hash);
+ break;
+ case MFF_RECIRC_ID:
+ value->be32 = htonl(flow->recirc_id);
+ break;
case MFF_TUN_ID:
- value->be64 = flow->tun_id;
+ value->be64 = flow->tunnel.tun_id;
+ break;
+ case MFF_TUN_SRC:
+ value->be32 = flow->tunnel.ip_src;
break;
+ case MFF_TUN_DST:
+ value->be32 = flow->tunnel.ip_dst;
+ break;
+ case MFF_TUN_FLAGS:
+ value->be16 = htons(flow->tunnel.flags);
+ break;
+ case MFF_TUN_TTL:
+ value->u8 = flow->tunnel.ip_ttl;
+ break;
+ case MFF_TUN_TOS:
+ value->u8 = flow->tunnel.ip_tos;
+ break;
+
case MFF_METADATA:
value->be64 = flow->metadata;
break;
case MFF_IN_PORT:
- value->be16 = htons(flow->in_port);
+ value->be16 = htons(ofp_to_u16(flow->in_port.ofp_port));
+ break;
+ case MFF_IN_PORT_OXM:
+ value->be32 = ofputil_port_to_ofp11(flow->in_port.ofp_port);
+ break;
+
+ case MFF_SKB_PRIORITY:
+ value->be32 = htonl(flow->skb_priority);
+ break;
+
+ case MFF_PKT_MARK:
+ value->be32 = htonl(flow->pkt_mark);
break;
CASE_MFF_REGS:
value->u8 = vlan_tci_to_pcp(flow->vlan_tci);
break;
+ case MFF_MPLS_LABEL:
+ value->be32 = htonl(mpls_lse_to_label(flow->mpls_lse[0]));
+ break;
+
+ case MFF_MPLS_TC:
+ value->u8 = mpls_lse_to_tc(flow->mpls_lse[0]);
+ break;
+
+ case MFF_MPLS_BOS:
+ value->u8 = mpls_lse_to_bos(flow->mpls_lse[0]);
+ break;
+
case MFF_IPV4_SRC:
value->be32 = flow->nw_src;
break;
value->u8 = flow->nw_tos & IP_DSCP_MASK;
break;
+ case MFF_IP_DSCP_SHIFTED:
+ value->u8 = flow->nw_tos >> 2;
+ break;
+
case MFF_IP_ECN:
value->u8 = flow->nw_tos & IP_ECN_MASK;
break;
case MFF_TCP_SRC:
case MFF_UDP_SRC:
+ case MFF_SCTP_SRC:
value->be16 = flow->tp_src;
break;
case MFF_TCP_DST:
case MFF_UDP_DST:
+ case MFF_SCTP_DST:
value->be16 = flow->tp_dst;
break;
+ case MFF_TCP_FLAGS:
+ value->be16 = flow->tcp_flags;
+ break;
+
case MFF_ICMPV4_TYPE:
case MFF_ICMPV6_TYPE:
value->u8 = ntohs(flow->tp_src);
case MFF_N_IDS:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
const union mf_value *value, struct match *match)
{
switch (mf->id) {
+ case MFF_DP_HASH:
+ match_set_dp_hash(match, ntohl(value->be32));
+ break;
+ case MFF_RECIRC_ID:
+ match_set_recirc_id(match, ntohl(value->be32));
+ break;
case MFF_TUN_ID:
match_set_tun_id(match, value->be64);
break;
+ case MFF_TUN_SRC:
+ match_set_tun_src(match, value->be32);
+ break;
+ case MFF_TUN_DST:
+ match_set_tun_dst(match, value->be32);
+ break;
+ case MFF_TUN_FLAGS:
+ match_set_tun_flags(match, ntohs(value->be16));
+ break;
+ case MFF_TUN_TOS:
+ match_set_tun_tos(match, value->u8);
+ break;
+ case MFF_TUN_TTL:
+ match_set_tun_ttl(match, value->u8);
+ break;
+
case MFF_METADATA:
match_set_metadata(match, value->be64);
break;
- case MFF_IN_PORT:
- match_set_in_port(match, ntohs(value->be16));
+ case MFF_IN_PORT:
+ match_set_in_port(match, u16_to_ofp(ntohs(value->be16)));
+ break;
+
+ case MFF_IN_PORT_OXM: {
+ ofp_port_t port;
+ ofputil_port_from_ofp11(value->be32, &port);
+ match_set_in_port(match, port);
+ break;
+ }
+
+ case MFF_SKB_PRIORITY:
+ match_set_skb_priority(match, ntohl(value->be32));
+ break;
+
+ case MFF_PKT_MARK:
+ match_set_pkt_mark(match, ntohl(value->be32));
break;
CASE_MFF_REGS:
match_set_dl_vlan_pcp(match, value->u8);
break;
+ case MFF_MPLS_LABEL:
+ match_set_mpls_label(match, 0, value->be32);
+ break;
+
+ case MFF_MPLS_TC:
+ match_set_mpls_tc(match, 0, value->u8);
+ break;
+
+ case MFF_MPLS_BOS:
+ match_set_mpls_bos(match, 0, value->u8);
+ break;
+
case MFF_IPV4_SRC:
match_set_nw_src(match, value->be32);
break;
match_set_nw_dscp(match, value->u8);
break;
+ case MFF_IP_DSCP_SHIFTED:
+ match_set_nw_dscp(match, value->u8 << 2);
+ break;
+
case MFF_IP_ECN:
match_set_nw_ecn(match, value->u8);
break;
case MFF_TCP_SRC:
case MFF_UDP_SRC:
+ case MFF_SCTP_SRC:
match_set_tp_src(match, value->be16);
break;
case MFF_TCP_DST:
case MFF_UDP_DST:
+ case MFF_SCTP_DST:
match_set_tp_dst(match, value->be16);
break;
+ case MFF_TCP_FLAGS:
+ match_set_tcp_flags(match, value->be16);
+ break;
+
case MFF_ICMPV4_TYPE:
case MFF_ICMPV6_TYPE:
match_set_icmp_type(match, value->u8);
case MFF_N_IDS:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
-/* Makes 'match' match field 'mf' exactly, with the value matched taken from
- * 'value'. The caller is responsible for ensuring that 'match' meets 'mf''s
- * prerequisites. */
+/* Unwildcard 'mask' member field described by 'mf'. The caller is
+ * responsible for ensuring that 'mask' meets 'mf''s prerequisites. */
+void
+mf_mask_field(const struct mf_field *mf, struct flow *mask)
+{
+ static const union mf_value exact_match_mask = MF_EXACT_MASK_INITIALIZER;
+
+ /* For MFF_DL_VLAN, we cannot send a all 1's to flow_set_dl_vlan()
+ * as that will be considered as OFP10_VLAN_NONE. So consider it as a
+ * special case. For the rest, calling mf_set_flow_value() is good
+ * enough. */
+ if (mf->id == MFF_DL_VLAN) {
+ flow_set_dl_vlan(mask, htons(VLAN_VID_MASK));
+ } else {
+ mf_set_flow_value(mf, &exact_match_mask, mask);
+ }
+}
+
+/* Sets 'flow' member field described by 'mf' to 'value'. The caller is
+ * responsible for ensuring that 'flow' meets 'mf''s prerequisites.*/
void
mf_set_flow_value(const struct mf_field *mf,
const union mf_value *value, struct flow *flow)
{
switch (mf->id) {
+ case MFF_DP_HASH:
+ flow->dp_hash = ntohl(value->be32);
+ break;
+ case MFF_RECIRC_ID:
+ flow->recirc_id = ntohl(value->be32);
+ break;
case MFF_TUN_ID:
- flow->tun_id = value->be64;
+ flow->tunnel.tun_id = value->be64;
+ break;
+ case MFF_TUN_SRC:
+ flow->tunnel.ip_src = value->be32;
+ break;
+ case MFF_TUN_DST:
+ flow->tunnel.ip_dst = value->be32;
+ break;
+ case MFF_TUN_FLAGS:
+ flow->tunnel.flags = ntohs(value->be16);
break;
+ case MFF_TUN_TOS:
+ flow->tunnel.ip_tos = value->u8;
+ break;
+ case MFF_TUN_TTL:
+ flow->tunnel.ip_ttl = value->u8;
+ break;
+
case MFF_METADATA:
flow->metadata = value->be64;
break;
case MFF_IN_PORT:
- flow->in_port = ntohs(value->be16);
+ flow->in_port.ofp_port = u16_to_ofp(ntohs(value->be16));
+ break;
+
+ case MFF_IN_PORT_OXM: {
+ ofp_port_t port;
+ ofputil_port_from_ofp11(value->be32, &port);
+ flow->in_port.ofp_port = port;
+ break;
+ }
+
+ case MFF_SKB_PRIORITY:
+ flow->skb_priority = ntohl(value->be32);
+ break;
+
+ case MFF_PKT_MARK:
+ flow->pkt_mark = ntohl(value->be32);
break;
CASE_MFF_REGS:
flow_set_vlan_pcp(flow, value->u8);
break;
+ case MFF_MPLS_LABEL:
+ flow_set_mpls_label(flow, 0, value->be32);
+ break;
+
+ case MFF_MPLS_TC:
+ flow_set_mpls_tc(flow, 0, value->u8);
+ break;
+
+ case MFF_MPLS_BOS:
+ flow_set_mpls_bos(flow, 0, value->u8);
+ break;
+
case MFF_IPV4_SRC:
flow->nw_src = value->be32;
break;
flow->nw_tos |= value->u8 & IP_DSCP_MASK;
break;
+ case MFF_IP_DSCP_SHIFTED:
+ flow->nw_tos &= ~IP_DSCP_MASK;
+ flow->nw_tos |= value->u8 << 2;
+ break;
+
case MFF_IP_ECN:
flow->nw_tos &= ~IP_ECN_MASK;
flow->nw_tos |= value->u8 & IP_ECN_MASK;
break;
case MFF_IP_FRAG:
- flow->nw_frag &= value->u8;
+ flow->nw_frag = value->u8 & FLOW_NW_FRAG_MASK;
break;
case MFF_ARP_OP:
case MFF_TCP_SRC:
case MFF_UDP_SRC:
+ case MFF_SCTP_SRC:
flow->tp_src = value->be16;
break;
case MFF_TCP_DST:
case MFF_UDP_DST:
+ case MFF_SCTP_DST:
flow->tp_dst = value->be16;
break;
+ case MFF_TCP_FLAGS:
+ flow->tcp_flags = value->be16;
+ break;
+
case MFF_ICMPV4_TYPE:
case MFF_ICMPV6_TYPE:
flow->tp_src = htons(value->u8);
case MFF_N_IDS:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
mf_set_wild(const struct mf_field *mf, struct match *match)
{
switch (mf->id) {
+ case MFF_DP_HASH:
+ match->flow.dp_hash = 0;
+ match->wc.masks.dp_hash = 0;
+ break;
+ case MFF_RECIRC_ID:
+ match->flow.recirc_id = 0;
+ match->wc.masks.recirc_id = 0;
+ break;
case MFF_TUN_ID:
match_set_tun_id_masked(match, htonll(0), htonll(0));
break;
+ case MFF_TUN_SRC:
+ match_set_tun_src_masked(match, htonl(0), htonl(0));
+ break;
+ case MFF_TUN_DST:
+ match_set_tun_dst_masked(match, htonl(0), htonl(0));
+ break;
+ case MFF_TUN_FLAGS:
+ match_set_tun_flags_masked(match, 0, 0);
+ break;
+ case MFF_TUN_TOS:
+ match_set_tun_tos_masked(match, 0, 0);
+ break;
+ case MFF_TUN_TTL:
+ match_set_tun_ttl_masked(match, 0, 0);
+ break;
+
case MFF_METADATA:
match_set_metadata_masked(match, htonll(0), htonll(0));
+ break;
case MFF_IN_PORT:
- match->flow.in_port = 0;
- match->wc.masks.in_port = 0;
+ case MFF_IN_PORT_OXM:
+ match->flow.in_port.ofp_port = 0;
+ match->wc.masks.in_port.ofp_port = 0;
+ break;
+
+ case MFF_SKB_PRIORITY:
+ match->flow.skb_priority = 0;
+ match->wc.masks.skb_priority = 0;
+ break;
+
+ case MFF_PKT_MARK:
+ match->flow.pkt_mark = 0;
+ match->wc.masks.pkt_mark = 0;
break;
CASE_MFF_REGS:
match_set_any_pcp(match);
break;
+ case MFF_MPLS_LABEL:
+ match_set_any_mpls_label(match, 0);
+ break;
+
+ case MFF_MPLS_TC:
+ match_set_any_mpls_tc(match, 0);
+ break;
+
+ case MFF_MPLS_BOS:
+ match_set_any_mpls_bos(match, 0);
+ break;
+
case MFF_IPV4_SRC:
case MFF_ARP_SPA:
match_set_nw_src_masked(match, htonl(0), htonl(0));
break;
case MFF_IP_DSCP:
+ case MFF_IP_DSCP_SHIFTED:
match->wc.masks.nw_tos &= ~IP_DSCP_MASK;
match->flow.nw_tos &= ~IP_DSCP_MASK;
break;
case MFF_TCP_SRC:
case MFF_UDP_SRC:
+ case MFF_SCTP_SRC:
case MFF_ICMPV4_TYPE:
case MFF_ICMPV6_TYPE:
match->wc.masks.tp_src = htons(0);
case MFF_TCP_DST:
case MFF_UDP_DST:
+ case MFF_SCTP_DST:
case MFF_ICMPV4_CODE:
case MFF_ICMPV6_CODE:
match->wc.masks.tp_dst = htons(0);
match->flow.tp_dst = htons(0);
break;
+ case MFF_TCP_FLAGS:
+ match->wc.masks.tcp_flags = htons(0);
+ match->flow.tcp_flags = htons(0);
+ break;
+
case MFF_ND_TARGET:
memset(&match->wc.masks.nd_target, 0,
sizeof match->wc.masks.nd_target);
case MFF_N_IDS:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
*
* 'mask' must be a valid mask for 'mf' (see mf_is_mask_valid()). The caller
* is responsible for ensuring that 'match' meets 'mf''s prerequisites. */
-void
+enum ofputil_protocol
mf_set(const struct mf_field *mf,
const union mf_value *value, const union mf_value *mask,
struct match *match)
{
if (!mask || is_all_ones((const uint8_t *) mask, mf->n_bytes)) {
mf_set_value(mf, value, match);
- return;
+ return mf->usable_protocols;
} else if (is_all_zeros((const uint8_t *) mask, mf->n_bytes)) {
mf_set_wild(mf, match);
- return;
+ return OFPUTIL_P_ANY;
}
switch (mf->id) {
+ case MFF_RECIRC_ID:
case MFF_IN_PORT:
+ case MFF_IN_PORT_OXM:
+ case MFF_SKB_PRIORITY:
case MFF_ETH_TYPE:
case MFF_DL_VLAN:
case MFF_DL_VLAN_PCP:
case MFF_VLAN_PCP:
+ case MFF_MPLS_LABEL:
+ case MFF_MPLS_TC:
+ case MFF_MPLS_BOS:
case MFF_IP_PROTO:
case MFF_IP_TTL:
case MFF_IP_DSCP:
+ case MFF_IP_DSCP_SHIFTED:
case MFF_IP_ECN:
case MFF_ARP_OP:
case MFF_ICMPV4_TYPE:
case MFF_ICMPV4_CODE:
case MFF_ICMPV6_TYPE:
case MFF_ICMPV6_CODE:
- NOT_REACHED();
+ return OFPUTIL_P_NONE;
+ case MFF_DP_HASH:
+ match_set_dp_hash_masked(match, ntohl(value->be32), ntohl(mask->be32));
+ break;
case MFF_TUN_ID:
match_set_tun_id_masked(match, value->be64, mask->be64);
break;
+ case MFF_TUN_SRC:
+ match_set_tun_src_masked(match, value->be32, mask->be32);
+ break;
+ case MFF_TUN_DST:
+ match_set_tun_dst_masked(match, value->be32, mask->be32);
+ break;
+ case MFF_TUN_FLAGS:
+ match_set_tun_flags_masked(match, ntohs(value->be16), ntohs(mask->be16));
+ break;
+ case MFF_TUN_TTL:
+ match_set_tun_ttl_masked(match, value->u8, mask->u8);
+ break;
+ case MFF_TUN_TOS:
+ match_set_tun_tos_masked(match, value->u8, mask->u8);
+ break;
+
case MFF_METADATA:
match_set_metadata_masked(match, value->be64, mask->be64);
break;
ntohl(value->be32), ntohl(mask->be32));
break;
+ case MFF_PKT_MARK:
+ match_set_pkt_mark_masked(match, ntohl(value->be32),
+ ntohl(mask->be32));
+ break;
+
case MFF_ETH_DST:
match_set_dl_dst_masked(match, value->mac, mask->mac);
break;
case MFF_IPV4_SRC:
match_set_nw_src_masked(match, value->be32, mask->be32);
- break;
+ goto cidr_check;
case MFF_IPV4_DST:
match_set_nw_dst_masked(match, value->be32, mask->be32);
- break;
+ goto cidr_check;
case MFF_IPV6_SRC:
match_set_ipv6_src_masked(match, &value->ipv6, &mask->ipv6);
case MFF_ARP_SPA:
match_set_nw_src_masked(match, value->be32, mask->be32);
- break;
+ goto cidr_check;
case MFF_ARP_TPA:
match_set_nw_dst_masked(match, value->be32, mask->be32);
- break;
+ goto cidr_check;
case MFF_TCP_SRC:
case MFF_UDP_SRC:
+ case MFF_SCTP_SRC:
match_set_tp_src_masked(match, value->be16, mask->be16);
break;
case MFF_TCP_DST:
case MFF_UDP_DST:
+ case MFF_SCTP_DST:
match_set_tp_dst_masked(match, value->be16, mask->be16);
break;
+ case MFF_TCP_FLAGS:
+ match_set_tcp_flags_masked(match, value->be16, mask->be16);
+ break;
+
case MFF_N_IDS:
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
+
+ return mf->usable_protocols_bitwise;
+
+cidr_check:
+ return ip_is_cidr(mask->be32) ? mf->usable_protocols :
+ mf->usable_protocols_bitwise;
}
static enum ofperr
{
if (!sf->field) {
VLOG_WARN_RL(&rl, "unknown %s field", type);
+ return OFPERR_OFPBAC_BAD_SET_TYPE;
} else if (!sf->n_bits) {
VLOG_WARN_RL(&rl, "zero bit %s field %s", type, sf->field->name);
+ return OFPERR_OFPBAC_BAD_SET_LEN;
} else if (sf->ofs >= sf->field->n_bits) {
VLOG_WARN_RL(&rl, "bit offset %d exceeds %d-bit width of %s field %s",
sf->ofs, sf->field->n_bits, type, sf->field->name);
+ return OFPERR_OFPBAC_BAD_SET_LEN;
} else if (sf->ofs + sf->n_bits > sf->field->n_bits) {
VLOG_WARN_RL(&rl, "bit offset %d and width %d exceeds %d-bit width "
"of %s field %s", sf->ofs, sf->n_bits,
sf->field->n_bits, type, sf->field->name);
+ return OFPERR_OFPBAC_BAD_SET_LEN;
} else if (flow && !mf_are_prereqs_ok(sf->field, flow)) {
VLOG_WARN_RL(&rl, "%s field %s lacks correct prerequisites",
type, sf->field->name);
+ return OFPERR_OFPBAC_MATCH_INCONSISTENT;
} else {
return 0;
}
-
- return OFPERR_OFPBAC_BAD_ARGUMENT;
}
/* Checks whether 'sf' is valid for reading a subfield out of 'flow'. Returns
if (!error && !sf->field->writable) {
VLOG_WARN_RL(&rl, "destination field %s is not writable",
sf->field->name);
- return OFPERR_OFPBAC_BAD_ARGUMENT;
+ return OFPERR_OFPBAC_BAD_SET_ARGUMENT;
}
return error;
}
mf_get_mask(mf, &match->wc, mask);
}
-/* Assigns a random value for field 'mf' to 'value'. */
-void
-mf_random_value(const struct mf_field *mf, union mf_value *value)
-{
- random_bytes(value, mf->n_bytes);
-
- switch (mf->id) {
- case MFF_TUN_ID:
- case MFF_METADATA:
- case MFF_IN_PORT:
- CASE_MFF_REGS:
- case MFF_ETH_SRC:
- case MFF_ETH_DST:
- case MFF_ETH_TYPE:
- case MFF_VLAN_TCI:
- case MFF_IPV4_SRC:
- case MFF_IPV4_DST:
- case MFF_IPV6_SRC:
- case MFF_IPV6_DST:
- case MFF_IP_PROTO:
- case MFF_IP_TTL:
- case MFF_ARP_SPA:
- case MFF_ARP_TPA:
- case MFF_ARP_SHA:
- case MFF_ARP_THA:
- case MFF_TCP_SRC:
- case MFF_TCP_DST:
- case MFF_UDP_SRC:
- case MFF_UDP_DST:
- case MFF_ICMPV4_TYPE:
- case MFF_ICMPV4_CODE:
- case MFF_ICMPV6_TYPE:
- case MFF_ICMPV6_CODE:
- case MFF_ND_TARGET:
- case MFF_ND_SLL:
- case MFF_ND_TLL:
- break;
-
- case MFF_IPV6_LABEL:
- value->be32 &= ~htonl(IPV6_LABEL_MASK);
- break;
-
- case MFF_IP_DSCP:
- value->u8 &= IP_DSCP_MASK;
- break;
-
- case MFF_IP_ECN:
- value->u8 &= IP_ECN_MASK;
- break;
-
- case MFF_IP_FRAG:
- value->u8 &= FLOW_NW_FRAG_MASK;
- break;
-
- case MFF_ARP_OP:
- value->be16 &= htons(0xff);
- break;
-
- case MFF_DL_VLAN:
- value->be16 &= htons(VLAN_VID_MASK);
- break;
- case MFF_VLAN_VID:
- value->be16 &= htons(VLAN_VID_MASK | VLAN_CFI);
- break;
-
- case MFF_DL_VLAN_PCP:
- case MFF_VLAN_PCP:
- value->u8 &= 0x07;
- break;
-
- case MFF_N_IDS:
- default:
- NOT_REACHED();
- }
-}
-
static char *
mf_from_integer_string(const struct mf_field *mf, const char *s,
uint8_t *valuep, uint8_t *maskp)
uint8_t mac[ETH_ADDR_LEN],
uint8_t mask[ETH_ADDR_LEN])
{
- assert(mf->n_bytes == ETH_ADDR_LEN);
+ int n;
- switch (sscanf(s, ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT,
- ETH_ADDR_SCAN_ARGS(mac), ETH_ADDR_SCAN_ARGS(mask))){
- case ETH_ADDR_SCAN_COUNT * 2:
- return NULL;
+ ovs_assert(mf->n_bytes == ETH_ADDR_LEN);
- case ETH_ADDR_SCAN_COUNT:
+ n = -1;
+ if (ovs_scan(s, ETH_ADDR_SCAN_FMT"%n", ETH_ADDR_SCAN_ARGS(mac), &n)
+ && n == strlen(s)) {
memset(mask, 0xff, ETH_ADDR_LEN);
return NULL;
+ }
- default:
- return xasprintf("%s: invalid Ethernet address", s);
+ n = -1;
+ if (ovs_scan(s, ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT"%n",
+ ETH_ADDR_SCAN_ARGS(mac), ETH_ADDR_SCAN_ARGS(mask), &n)
+ && n == strlen(s)) {
+ return NULL;
}
+
+ return xasprintf("%s: invalid Ethernet address", s);
}
static char *
{
int prefix;
- assert(mf->n_bytes == sizeof *ip);
+ ovs_assert(mf->n_bytes == sizeof *ip);
- if (sscanf(s, IP_SCAN_FMT"/"IP_SCAN_FMT,
- IP_SCAN_ARGS(ip), IP_SCAN_ARGS(mask)) == IP_SCAN_COUNT * 2) {
+ if (ovs_scan(s, IP_SCAN_FMT"/"IP_SCAN_FMT,
+ IP_SCAN_ARGS(ip), IP_SCAN_ARGS(mask))) {
/* OK. */
- } else if (sscanf(s, IP_SCAN_FMT"/%d",
- IP_SCAN_ARGS(ip), &prefix) == IP_SCAN_COUNT + 1) {
+ } else if (ovs_scan(s, IP_SCAN_FMT"/%d", IP_SCAN_ARGS(ip), &prefix)) {
if (prefix <= 0 || prefix > 32) {
return xasprintf("%s: network prefix bits not between 1 and "
"32", s);
} else if (prefix == 32) {
- *mask = htonl(UINT32_MAX);
+ *mask = OVS_BE32_MAX;
} else {
*mask = htonl(((1u << prefix) - 1) << (32 - prefix));
}
- } else if (sscanf(s, IP_SCAN_FMT, IP_SCAN_ARGS(ip)) == IP_SCAN_COUNT) {
- *mask = htonl(UINT32_MAX);
+ } else if (ovs_scan(s, IP_SCAN_FMT, IP_SCAN_ARGS(ip))) {
+ *mask = OVS_BE32_MAX;
} else {
return xasprintf("%s: invalid IP address", s);
}
const char *name, *netmask;
int retval;
- assert(mf->n_bytes == sizeof *value);
+ ovs_assert(mf->n_bytes == sizeof *value);
name = strtok_r(str, "/", &save_ptr);
retval = name ? lookup_ipv6(name, value) : EINVAL;
mf_from_ofp_port_string(const struct mf_field *mf, const char *s,
ovs_be16 *valuep, ovs_be16 *maskp)
{
- uint16_t port;
+ ofp_port_t port;
- assert(mf->n_bytes == sizeof(ovs_be16));
- port = ofputil_port_from_string(s);
- if (port) {
- *valuep = htons(port);
- *maskp = htons(UINT16_MAX);
+ ovs_assert(mf->n_bytes == sizeof(ovs_be16));
+
+ if (ofputil_port_from_string(s, &port)) {
+ *valuep = htons(ofp_to_u16(port));
+ *maskp = OVS_BE16_MAX;
return NULL;
- } else {
- return mf_from_integer_string(mf, s,
- (uint8_t *) valuep, (uint8_t *) maskp);
}
+ return xasprintf("%s: port value out of range for %s", s, mf->name);
+}
+
+static char *
+mf_from_ofp_port_string32(const struct mf_field *mf, const char *s,
+ ovs_be32 *valuep, ovs_be32 *maskp)
+{
+ ofp_port_t port;
+
+ ovs_assert(mf->n_bytes == sizeof(ovs_be32));
+ if (ofputil_port_from_string(s, &port)) {
+ *valuep = ofputil_port_to_ofp11(port);
+ *maskp = OVS_BE32_MAX;
+ return NULL;
+ }
+ return xasprintf("%s: port value out of range for %s", s, mf->name);
}
struct frag_handling {
"\"yes\", \"first\", \"later\", \"not_first\"", s);
}
+static int
+parse_flow_tun_flags(const char *s_, const char *(*bit_to_string)(uint32_t),
+ ovs_be16 *res)
+{
+ uint32_t result = 0;
+ char *save_ptr = NULL;
+ char *name;
+ int rc = 0;
+ char *s = xstrdup(s_);
+
+ for (name = strtok_r((char *)s, " |", &save_ptr); name;
+ name = strtok_r(NULL, " |", &save_ptr)) {
+ int name_len;
+ unsigned long long int flags;
+ uint32_t bit;
+
+ if (ovs_scan(name, "%lli", &flags)) {
+ result |= flags;
+ continue;
+ }
+ name_len = strlen(name);
+ for (bit = 1; bit; bit <<= 1) {
+ const char *fname = bit_to_string(bit);
+ size_t len;
+
+ if (!fname) {
+ continue;
+ }
+
+ len = strlen(fname);
+ if (len != name_len) {
+ continue;
+ }
+ if (!strncmp(name, fname, len)) {
+ result |= bit;
+ break;
+ }
+ }
+
+ if (!bit) {
+ rc = -ENOENT;
+ goto out;
+ }
+ }
+
+ *res = htons(result);
+out:
+ free(s);
+ return rc;
+}
+
+static char *
+mf_from_tun_flags_string(const char *s, ovs_be16 *valuep, ovs_be16 *maskp)
+{
+ if (!parse_flow_tun_flags(s, flow_tun_flag_to_string, valuep)) {
+ *maskp = OVS_BE16_MAX;
+ return NULL;
+ }
+
+ return xasprintf("%s: unknown tunnel flags (valid flags are \"df\", "
+ "\"csum\", \"key\")", s);
+}
+
+static char *
+mf_from_tcp_flags_string(const char *s, ovs_be16 *flagsp, ovs_be16 *maskp)
+{
+ uint16_t flags = 0;
+ uint16_t mask = 0;
+ uint16_t bit;
+ int n;
+
+ if (ovs_scan(s, "%"SCNi16"/%"SCNi16"%n", &flags, &mask, &n) && !s[n]) {
+ *flagsp = htons(flags);
+ *maskp = htons(mask);
+ return NULL;
+ }
+ if (ovs_scan(s, "%"SCNi16"%n", &flags, &n) && !s[n]) {
+ *flagsp = htons(flags);
+ *maskp = OVS_BE16_MAX;
+ return NULL;
+ }
+
+ while (*s != '\0') {
+ bool set;
+ int name_len;
+
+ switch (*s) {
+ case '+':
+ set = true;
+ break;
+ case '-':
+ set = false;
+ break;
+ default:
+ return xasprintf("%s: TCP flag must be preceded by '+' (for SET) "
+ "or '-' (NOT SET)", s);
+ }
+ s++;
+
+ name_len = strcspn(s,"+-");
+
+ for (bit = 1; bit; bit <<= 1) {
+ const char *fname = packet_tcp_flag_to_string(bit);
+ size_t len;
+
+ if (!fname) {
+ continue;
+ }
+
+ len = strlen(fname);
+ if (len != name_len) {
+ continue;
+ }
+ if (!strncmp(s, fname, len)) {
+ if (mask & bit) {
+ return xasprintf("%s: Each TCP flag can be specified only "
+ "once", s);
+ }
+ if (set) {
+ flags |= bit;
+ }
+ mask |= bit;
+ break;
+ }
+ }
+
+ if (!bit) {
+ return xasprintf("%s: unknown TCP flag(s)", s);
+ }
+ s += name_len;
+ }
+
+ *flagsp = htons(flags);
+ *maskp = htons(mask);
+ return NULL;
+}
+
+
/* Parses 's', a string value for field 'mf', into 'value' and 'mask'. Returns
* NULL if successful, otherwise a malloc()'d string describing the error. */
char *
mf_parse(const struct mf_field *mf, const char *s,
union mf_value *value, union mf_value *mask)
{
- if (!strcasecmp(s, "any") || !strcmp(s, "*")) {
+ char *error;
+
+ if (!strcmp(s, "*")) {
memset(value, 0, mf->n_bytes);
memset(mask, 0, mf->n_bytes);
return NULL;
switch (mf->string) {
case MFS_DECIMAL:
case MFS_HEXADECIMAL:
- return mf_from_integer_string(mf, s,
- (uint8_t *) value, (uint8_t *) mask);
+ error = mf_from_integer_string(mf, s,
+ (uint8_t *) value, (uint8_t *) mask);
+ break;
case MFS_ETHERNET:
- return mf_from_ethernet_string(mf, s, value->mac, mask->mac);
+ error = mf_from_ethernet_string(mf, s, value->mac, mask->mac);
+ break;
case MFS_IPV4:
- return mf_from_ipv4_string(mf, s, &value->be32, &mask->be32);
+ error = mf_from_ipv4_string(mf, s, &value->be32, &mask->be32);
+ break;
case MFS_IPV6:
- return mf_from_ipv6_string(mf, s, &value->ipv6, &mask->ipv6);
+ error = mf_from_ipv6_string(mf, s, &value->ipv6, &mask->ipv6);
+ break;
case MFS_OFP_PORT:
- return mf_from_ofp_port_string(mf, s, &value->be16, &mask->be16);
+ error = mf_from_ofp_port_string(mf, s, &value->be16, &mask->be16);
+ break;
+
+ case MFS_OFP_PORT_OXM:
+ error = mf_from_ofp_port_string32(mf, s, &value->be32, &mask->be32);
+ break;
case MFS_FRAG:
- return mf_from_frag_string(s, &value->u8, &mask->u8);
+ error = mf_from_frag_string(s, &value->u8, &mask->u8);
+ break;
+
+ case MFS_TNL_FLAGS:
+ ovs_assert(mf->n_bytes == sizeof(ovs_be16));
+ error = mf_from_tun_flags_string(s, &value->be16, &mask->be16);
+ break;
+
+ case MFS_TCP_FLAGS:
+ ovs_assert(mf->n_bytes == sizeof(ovs_be16));
+ error = mf_from_tcp_flags_string(s, &value->be16, &mask->be16);
+ break;
+
+ default:
+ OVS_NOT_REACHED();
}
- NOT_REACHED();
+
+ if (!error && !mf_is_mask_valid(mf, mask)) {
+ error = xasprintf("%s: invalid mask for field %s", s, mf->name);
+ }
+ return error;
}
/* Parses 's', a string value for field 'mf', into 'value'. Returns NULL if
unsigned long long int integer;
int i;
- assert(mf->n_bytes <= 8);
+ ovs_assert(mf->n_bytes <= 8);
integer = 0;
for (i = 0; i < mf->n_bytes; i++) {
}
static void
-mf_format_frag_string(const uint8_t *valuep, const uint8_t *maskp,
- struct ds *s)
+mf_format_frag_string(uint8_t value, uint8_t mask, struct ds *s)
{
const struct frag_handling *h;
- uint8_t value = *valuep;
- uint8_t mask = *maskp;
- value &= mask;
mask &= FLOW_NW_FRAG_MASK;
+ value &= mask;
for (h = all_frags; h < &all_frags[ARRAY_SIZE(all_frags)]; h++) {
if (value == h->value && mask == h->mask) {
ds_put_cstr(s, "<error>");
}
+static void
+mf_format_tnl_flags_string(const ovs_be16 *valuep, struct ds *s)
+{
+ format_flags(s, flow_tun_flag_to_string, ntohs(*valuep), '|');
+}
+
+static void
+mf_format_tcp_flags_string(ovs_be16 value, ovs_be16 mask, struct ds *s)
+{
+ format_flags_masked(s, NULL, packet_tcp_flag_to_string, ntohs(value),
+ TCP_FLAGS(mask));
+}
+
/* Appends to 's' a string representation of field 'mf' whose value is in
* 'value' and 'mask'. 'mask' may be NULL to indicate an exact match. */
void
}
switch (mf->string) {
+ case MFS_OFP_PORT_OXM:
+ if (!mask) {
+ ofp_port_t port;
+ ofputil_port_from_ofp11(value->be32, &port);
+ ofputil_format_port(port, s);
+ break;
+ }
+ /* fall through */
case MFS_OFP_PORT:
if (!mask) {
- ofputil_format_port(ntohs(value->be16), s);
+ ofputil_format_port(u16_to_ofp(ntohs(value->be16)), s);
break;
}
/* fall through */
break;
case MFS_IPV4:
- ip_format_masked(value->be32, mask ? mask->be32 : htonl(UINT32_MAX),
- s);
+ ip_format_masked(value->be32, mask ? mask->be32 : OVS_BE32_MAX, s);
break;
case MFS_IPV6:
break;
case MFS_FRAG:
- mf_format_frag_string(&value->u8, &mask->u8, s);
+ mf_format_frag_string(value->u8, mask ? mask->u8 : UINT8_MAX, s);
+ break;
+
+ case MFS_TNL_FLAGS:
+ mf_format_tnl_flags_string(&value->be16, s);
+ break;
+
+ case MFS_TCP_FLAGS:
+ mf_format_tcp_flags_string(value->be16,
+ mask ? mask->be16 : OVS_BE16_MAX, s);
break;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
\f
* bit indexes. "..end" may be omitted to indicate a single bit. "start..end"
* may both be omitted (the [] are still required) to indicate an entire
* field. */
-char *
+char * WARN_UNUSED_RESULT
mf_parse_subfield__(struct mf_subfield *sf, const char **sp)
{
const struct mf_field *field;
}
s += name_len;
- if (sscanf(s, "[%d..%d]", &start, &end) == 2) {
+ if (ovs_scan(s, "[%d..%d]", &start, &end)) {
/* Nothing to do. */
- } else if (sscanf(s, "[%d]", &start) == 1) {
+ } else if (ovs_scan(s, "[%d]", &start)) {
end = start;
} else if (!strncmp(s, "[]", 2)) {
start = 0;
return NULL;
}
-/* Parses a subfield from the beginning of 's' into 'sf'. Returns the first
- * byte in 's' following the parsed string.
- *
- * Exits with an error message if 's' has incorrect syntax.
+/* Parses a subfield from the entirety of 's' into 'sf'. Returns NULL if
+ * successful, otherwise a malloc()'d string describing the error. The caller
+ * is responsible for freeing the returned string.
*
* The syntax parsed from 's' takes the form "header[start..end]" where
* 'header' is the name of an NXM field and 'start' and 'end' are (inclusive)
* bit indexes. "..end" may be omitted to indicate a single bit. "start..end"
* may both be omitted (the [] are still required) to indicate an entire
* field. */
-const char *
+char * WARN_UNUSED_RESULT
mf_parse_subfield(struct mf_subfield *sf, const char *s)
{
- char *msg = mf_parse_subfield__(sf, &s);
- if (msg) {
- ovs_fatal(0, "%s", msg);
+ char *error = mf_parse_subfield__(sf, &s);
+ if (!error && s[0]) {
+ error = xstrdup("unexpected input following field syntax");
}
- return s;
+ return error;
}
void
git://git.onelab.eu / sliver-openvswitch.git / blobdiff