MFP_NONE,
true,
NXM_NX_TUN_ID, "NXM_NX_TUN_ID",
- 0, NULL,
+ NXM_NX_TUN_ID, "NXM_NX_TUN_ID",
+ }, {
+ MFF_METADATA, "metadata", NULL,
+ MF_FIELD_SIZES(be64),
+ MFM_FULLY, 0,
+ MFS_HEXADECIMAL,
+ MFP_NONE,
+ true,
+ OXM_OF_METADATA, "OXM_OF_METADATA",
+ OXM_OF_METADATA, "OXM_OF_METADATA",
}, {
MFF_IN_PORT, "in_port", NULL,
MF_FIELD_SIZES(be16),
MFS_HEXADECIMAL, \
MFP_NONE, \
true, \
- NXM_NX_REG(IDX), \
- "NXM_NX_REG" #IDX, \
- 0, NULL, \
+ NXM_NX_REG(IDX), "NXM_NX_REG" #IDX, \
+ NXM_NX_REG(IDX), "NXM_NX_REG" #IDX, \
}
#if FLOW_N_REGS > 0
REGISTER(0),
MFP_NONE,
true,
NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI",
- 0, NULL,
+ NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI",
}, {
MFF_VLAN_VID, "dl_vlan", NULL,
sizeof(ovs_be16), 12,
MFS_DECIMAL,
MFP_NONE,
true,
- 0, NULL,
+ OXM_OF_VLAN_VID, "OXM_OF_VLAN_VID",
OXM_OF_VLAN_VID, "OXM_OF_VLAN_VID",
}, {
MFF_VLAN_PCP, "dl_vlan_pcp", NULL,
MFS_DECIMAL,
MFP_NONE,
true,
- 0, NULL,
+ OXM_OF_VLAN_PCP, "OXM_OF_VLAN_PCP",
OXM_OF_VLAN_PCP, "OXM_OF_VLAN_PCP",
},
{
MFF_IPV6_LABEL, "ipv6_label", NULL,
4, 20,
- MFM_NONE, FWW_IPV6_LABEL,
+ MFM_FULLY, 0,
MFS_HEXADECIMAL,
MFP_IPV6,
false,
MFP_IP_ANY,
true,
NXM_NX_IP_TTL, "NXM_NX_IP_TTL",
- 0, NULL,
+ NXM_NX_IP_TTL, "NXM_NX_IP_TTL",
}, {
MFF_IP_FRAG, "ip_frag", NULL,
1, 2,
MFP_IP_ANY,
false,
NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG",
- 0, NULL,
+ NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG",
},
{
}
};
+/* Maps an NXM or OXM header value to an mf_field. */
struct nxm_field {
- struct hmap_node hmap_node;
- uint32_t nxm_header;
+ struct hmap_node hmap_node; /* In 'all_fields' hmap. */
+ uint32_t header; /* NXM or OXM header value. */
const struct mf_field *mf;
};
-static struct hmap all_nxm_fields = HMAP_INITIALIZER(&all_nxm_fields);
-static struct hmap all_oxm_fields = HMAP_INITIALIZER(&all_oxm_fields);
+/* Contains 'struct nxm_field's. */
+static struct hmap all_fields = HMAP_INITIALIZER(&all_fields);
/* 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)
}
static void
-add_nxm_field(struct hmap *all_fields, uint32_t nxm_header,
- const struct mf_field *mf)
+add_nxm_field(uint32_t header, const struct mf_field *mf)
{
struct nxm_field *f;
f = xmalloc(sizeof *f);
- hmap_insert(all_fields, &f->hmap_node, hash_int(nxm_header, 0));
- f->nxm_header = nxm_header;
+ hmap_insert(&all_fields, &f->hmap_node, hash_int(header, 0));
+ f->header = header;
f->mf = mf;
}
-static struct hmap *
-get_all_fields(uint32_t header)
-{
- return IS_OXM_HEADER(header) ? &all_oxm_fields : &all_nxm_fields;
-}
-
static void
nxm_init_add_field(const struct mf_field *mf, uint32_t header)
{
- struct hmap *all_fields = get_all_fields(header);
-
- if (!header) {
- return;
- }
- add_nxm_field(all_fields, header, mf);
- if (mf->maskable == MFM_NONE) {
- return;
- }
- add_nxm_field(all_fields, NXM_MAKE_WILD_HEADER(header), mf);
-}
-
-#ifndef NDEBUG
-static void
-nxm_init_verify_field(const struct mf_field *mf, uint32_t header)
-{
- if (!header) {
- return;
- }
- assert(mf_from_nxm_header(header) == mf);
- /* Some OXM fields are not maskable while their NXM
- * counterparts are, just skip this check for now */
- if (mf->maskable == MFM_NONE || IS_OXM_HEADER(header)) {
- return;
+ if (header) {
+ 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);
+ }
}
- assert(mf_from_nxm_header(NXM_MAKE_WILD_HEADER(mf->nxm_header)) == mf);
}
-#endif
static void
nxm_init(void)
for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) {
nxm_init_add_field(mf, mf->nxm_header);
- nxm_init_add_field(mf, mf->oxm_header);
- }
-
-#ifndef NDEBUG
- /* Verify that the header values are unique. */
- for (mf = mf_fields; mf < &mf_fields[MFF_N_IDS]; mf++) {
- nxm_init_verify_field(mf, mf->nxm_header);
- nxm_init_verify_field(mf, mf->oxm_header);
+ if (mf->oxm_header != mf->nxm_header) {
+ nxm_init_add_field(mf, mf->oxm_header);
+ }
}
-#endif
}
const struct mf_field *
mf_from_nxm_header(uint32_t header)
{
- const struct nxm_field *f;
- struct hmap *all_fields = get_all_fields(header);
-
- if (hmap_is_empty(all_fields)) {
+ if (hmap_is_empty(&all_fields)) {
nxm_init();
}
+ return mf_from_nxm_header__(header);
+}
- HMAP_FOR_EACH_IN_BUCKET (f, hmap_node, hash_int(header, 0), all_fields) {
- if (f->nxm_header == header) {
+const struct mf_field *
+mf_from_nxm_header__(uint32_t header)
+{
+ const struct nxm_field *f;
+
+ HMAP_FOR_EACH_IN_BUCKET (f, hmap_node, hash_int(header, 0), &all_fields) {
+ if (f->header == header) {
return f->mf;
}
}
case MFF_IP_DSCP:
case MFF_IP_ECN:
case MFF_IP_TTL:
- case MFF_IPV6_LABEL:
case MFF_ARP_OP:
case MFF_ARP_SHA:
case MFF_ARP_THA:
case MFF_TUN_ID:
return !wc->tun_id_mask;
+ case MFF_METADATA:
+ return !wc->metadata_mask;
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
+ CASE_MFF_REGS:
return !wc->reg_masks[mf->id - MFF_REG0];
case MFF_ETH_SRC:
case MFF_IPV6_DST:
return ipv6_mask_is_any(&wc->ipv6_dst_mask);
+ case MFF_IPV6_LABEL:
+ return !wc->ipv6_label_mask;
+
case MFF_ND_TARGET:
return ipv6_mask_is_any(&wc->nd_target_mask);
case MFF_TUN_ID:
mask->be64 = wc->tun_id_mask;
break;
+ case MFF_METADATA:
+ mask->be64 = wc->metadata_mask;
+ break;
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
+ CASE_MFF_REGS:
mask->be32 = htonl(wc->reg_masks[mf->id - MFF_REG0]);
break;
{
switch (mf->id) {
case MFF_TUN_ID:
+ case MFF_METADATA:
case MFF_IN_PORT:
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
+ CASE_MFF_REGS:
case MFF_ETH_SRC:
case MFF_ETH_DST:
case MFF_ETH_TYPE:
case MFF_TUN_ID:
value->be64 = flow->tun_id;
break;
+ case MFF_METADATA:
+ value->be64 = flow->metadata;
+ break;
case MFF_IN_PORT:
value->be16 = htons(flow->in_port);
break;
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
+ CASE_MFF_REGS:
value->be32 = htonl(flow->regs[mf->id - MFF_REG0]);
break;
break;
case MFF_TCP_SRC:
- value->be16 = flow->tp_src;
- break;
-
- case MFF_TCP_DST:
- value->be16 = flow->tp_dst;
- break;
-
case MFF_UDP_SRC:
value->be16 = flow->tp_src;
break;
+ case MFF_TCP_DST:
case MFF_UDP_DST:
value->be16 = flow->tp_dst;
break;
case MFF_TUN_ID:
cls_rule_set_tun_id(rule, value->be64);
break;
+ case MFF_METADATA:
+ cls_rule_set_metadata(rule, value->be64);
+ break;
case MFF_IN_PORT:
cls_rule_set_in_port(rule, ntohs(value->be16));
break;
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
-#if FLOW_N_REGS > 0
+ CASE_MFF_REGS:
cls_rule_set_reg(rule, mf->id - MFF_REG0, ntohl(value->be32));
break;
-#endif
case MFF_ETH_SRC:
cls_rule_set_dl_src(rule, value->mac);
break;
case MFF_TCP_SRC:
- cls_rule_set_tp_src(rule, value->be16);
- break;
-
- case MFF_TCP_DST:
- cls_rule_set_tp_dst(rule, value->be16);
- break;
-
case MFF_UDP_SRC:
cls_rule_set_tp_src(rule, value->be16);
break;
+ case MFF_TCP_DST:
case MFF_UDP_DST:
cls_rule_set_tp_dst(rule, value->be16);
break;
case MFF_TUN_ID:
flow->tun_id = value->be64;
break;
+ case MFF_METADATA:
+ flow->metadata = value->be64;
+ break;
case MFF_IN_PORT:
flow->in_port = ntohs(value->be16);
break;
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
-#if FLOW_N_REGS > 0
+ CASE_MFF_REGS:
flow->regs[mf->id - MFF_REG0] = ntohl(value->be32);
break;
-#endif
case MFF_ETH_SRC:
memcpy(flow->dl_src, value->mac, ETH_ADDR_LEN);
case MFF_TUN_ID:
cls_rule_set_tun_id_masked(rule, htonll(0), htonll(0));
break;
+ case MFF_METADATA:
+ cls_rule_set_metadata_masked(rule, htonll(0), htonll(0));
case MFF_IN_PORT:
rule->wc.wildcards |= FWW_IN_PORT;
rule->flow.in_port = 0;
break;
-#if FLOW_N_REGS > 0
- case MFF_REG0:
- cls_rule_set_reg_masked(rule, 0, 0, 0);
- break;
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
- cls_rule_set_reg_masked(rule, 1, 0, 0);
- break;
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
- cls_rule_set_reg_masked(rule, 2, 0, 0);
- break;
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
- cls_rule_set_reg_masked(rule, 3, 0, 0);
- break;
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
- cls_rule_set_reg_masked(rule, 4, 0, 0);
- break;
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
- cls_rule_set_reg_masked(rule, 5, 0, 0);
- break;
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
- cls_rule_set_reg_masked(rule, 6, 0, 0);
+ CASE_MFF_REGS:
+ cls_rule_set_reg_masked(rule, mf->id - MFF_REG0, 0, 0);
break;
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
- cls_rule_set_reg_masked(rule, 7, 0, 0);
- break;
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
case MFF_ETH_SRC:
memset(rule->flow.dl_src, 0, ETH_ADDR_LEN);
break;
case MFF_IPV6_LABEL:
- rule->wc.wildcards |= FWW_IPV6_LABEL;
+ rule->wc.ipv6_label_mask = 0;
rule->flow.ipv6_label = 0;
break;
case MFF_ETH_TYPE:
case MFF_VLAN_VID:
case MFF_VLAN_PCP:
- case MFF_IPV6_LABEL:
case MFF_IP_PROTO:
case MFF_IP_TTL:
case MFF_IP_DSCP:
case MFF_TUN_ID:
cls_rule_set_tun_id_masked(rule, value->be64, mask->be64);
break;
+ case MFF_METADATA:
+ cls_rule_set_metadata_masked(rule, value->be64, mask->be64);
+ break;
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
+ CASE_MFF_REGS:
cls_rule_set_reg_masked(rule, mf->id - MFF_REG0,
ntohl(value->be32), ntohl(mask->be32));
break;
cls_rule_set_ipv6_dst_masked(rule, &value->ipv6, &mask->ipv6);
break;
+ case MFF_IPV6_LABEL:
+ if ((mask->be32 & htonl(IPV6_LABEL_MASK)) == htonl(IPV6_LABEL_MASK)) {
+ mf_set_value(mf, value, rule);
+ } else {
+ cls_rule_set_ipv6_label_masked(rule, value->be32, mask->be32);
+ }
+ break;
+
case MFF_ND_TARGET:
cls_rule_set_nd_target_masked(rule, &value->ipv6, &mask->ipv6);
break;
switch (mf->id) {
case MFF_TUN_ID:
+ case MFF_METADATA:
case MFF_IN_PORT:
-#if FLOW_N_REGS > 0
- case MFF_REG0:
-#endif
-#if FLOW_N_REGS > 1
- case MFF_REG1:
-#endif
-#if FLOW_N_REGS > 2
- case MFF_REG2:
-#endif
-#if FLOW_N_REGS > 3
- case MFF_REG3:
-#endif
-#if FLOW_N_REGS > 4
- case MFF_REG4:
-#endif
-#if FLOW_N_REGS > 5
- case MFF_REG5:
-#endif
-#if FLOW_N_REGS > 6
- case MFF_REG6:
-#endif
-#if FLOW_N_REGS > 7
- case MFF_REG7:
-#endif
-#if FLOW_N_REGS > 8
-#error
-#endif
+ CASE_MFF_REGS:
case MFF_ETH_SRC:
case MFF_ETH_DST:
case MFF_ETH_TYPE:
\f
/* Makes subfield 'sf' within 'rule' exactly match the 'sf->n_bits'
* least-significant bits in 'x'.
- *
- * See mf_set_subfield() for an example.
- *
- * The difference between this function and mf_set_subfield() is that the
- * latter function can only handle subfields up to 64 bits wide, whereas this
- * one handles the general case. On the other hand, mf_set_subfield() is
- * arguably easier to use. */
+ */
void
mf_write_subfield(const struct mf_subfield *sf, const union mf_subvalue *x,
struct cls_rule *rule)
mf_set(field, &value, &mask, rule);
}
-/* Makes subfield 'sf' within 'rule' exactly match the 'sf->n_bits'
- * least-significant bits of 'x'.
- *
- * Example: suppose that 'sf->field' is originally the following 2-byte field
- * in 'rule':
- *
- * value == 0xe00a == 2#1110000000001010
- * mask == 0xfc3f == 2#1111110000111111
- *
- * The call mf_set_subfield(sf, 0x55, 8, 7, rule), where sf->ofs == 8 and
- * sf->n_bits == 7 would have the following effect (note that 0x55 is
- * 2#1010101):
- *
- * value == 0xd50a == 2#1101010100001010
- * mask == 0xff3f == 2#1111111100111111
- * ^^^^^^^ affected bits
- *
- * The caller is responsible for ensuring that the result will be a valid
- * wildcard pattern for 'sf->field'. The caller is responsible for ensuring
- * that 'rule' meets 'sf->field''s prerequisites. */
-void
-mf_set_subfield(const struct mf_subfield *sf, uint64_t x,
- struct cls_rule *rule)
-{
- const struct mf_field *field = sf->field;
- unsigned int n_bits = sf->n_bits;
- unsigned int ofs = sf->ofs;
-
- if (ofs == 0 && field->n_bytes * 8 == n_bits) {
- union mf_value value;
- int i;
-
- for (i = field->n_bytes - 1; i >= 0; i--) {
- ((uint8_t *) &value)[i] = x;
- x >>= 8;
- }
- mf_set_value(field, &value, rule);
- } else {
- union mf_value value, mask;
- uint8_t *vp = (uint8_t *) &value;
- uint8_t *mp = (uint8_t *) &mask;
-
- mf_get(field, rule, &value, &mask);
- bitwise_put(x, vp, field->n_bytes, ofs, n_bits);
- bitwise_put(UINT64_MAX, mp, field->n_bytes, ofs, n_bits);
- mf_set(field, &value, &mask, rule);
- }
-}
-
-/* Similar to mf_set_subfield() but modifies only a flow, not a cls_rule. */
-void
-mf_set_subfield_value(const struct mf_subfield *sf, uint64_t x,
- struct flow *flow)
-{
- const struct mf_field *field = sf->field;
- unsigned int n_bits = sf->n_bits;
- unsigned int ofs = sf->ofs;
- union mf_value value;
-
- if (ofs == 0 && field->n_bytes * 8 == n_bits) {
- int i;
-
- for (i = field->n_bytes - 1; i >= 0; i--) {
- ((uint8_t *) &value)[i] = x;
- x >>= 8;
- }
- mf_set_flow_value(field, &value, flow);
- } else {
- mf_get_value(field, flow, &value);
- bitwise_put(x, &value, field->n_bytes, ofs, n_bits);
- mf_set_flow_value(field, &value, flow);
- }
-}
-
/* Initializes 'x' to the value of 'sf' within 'flow'. 'sf' must be valid for
* reading 'flow', e.g. as checked by mf_check_src(). */
void
&& mf->nxm_name[name_len] == '\0') {
return mf;
}
+ if (mf->oxm_name
+ && !strncmp(mf->oxm_name, name, name_len)
+ && mf->oxm_name[name_len] == '\0') {
+ return mf;
+ }
}
return NULL;
projects / openvswitch / blobdiff