/*
- * Copyright (c) 2011, 2012 Nicira Networks.
+ * Copyright (c) 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
MFP_NONE,
true,
NXM_NX_TUN_ID, "NXM_NX_TUN_ID",
+ 0, NULL,
}, {
MFF_IN_PORT, "in_port", NULL,
MF_FIELD_SIZES(be16),
MFP_NONE,
false,
NXM_OF_IN_PORT, "NXM_OF_IN_PORT",
+ OXM_OF_IN_PORT, "OXM_OF_IN_PORT",
},
#define REGISTER(IDX) \
MFP_NONE, \
true, \
NXM_NX_REG(IDX), \
- "NXM_NX_REG" #IDX \
+ "NXM_NX_REG" #IDX, \
+ 0, NULL, \
}
#if FLOW_N_REGS > 0
REGISTER(0),
MFP_NONE,
true,
NXM_OF_ETH_SRC, "NXM_OF_ETH_SRC",
+ OXM_OF_ETH_SRC, "OXM_OF_ETH_SRC",
}, {
MFF_ETH_DST, "eth_dst", "dl_dst",
MF_FIELD_SIZES(mac),
MFP_NONE,
true,
NXM_OF_ETH_DST, "NXM_OF_ETH_DST",
+ OXM_OF_ETH_DST, "OXM_OF_ETH_DST",
}, {
MFF_ETH_TYPE, "eth_type", "dl_type",
MF_FIELD_SIZES(be16),
MFP_NONE,
false,
NXM_OF_ETH_TYPE, "NXM_OF_ETH_TYPE",
+ OXM_OF_ETH_TYPE, "OXM_OF_ETH_TYPE",
},
{
MFP_NONE,
true,
NXM_OF_VLAN_TCI, "NXM_OF_VLAN_TCI",
+ 0, NULL,
}, {
MFF_VLAN_VID, "dl_vlan", NULL,
sizeof(ovs_be16), 12,
MFS_DECIMAL,
MFP_NONE,
true,
- 0, NULL
+ 0, NULL,
+ OXM_OF_VLAN_VID, "OXM_OF_VLAN_VID",
}, {
MFF_VLAN_PCP, "dl_vlan_pcp", NULL,
1, 3,
MFS_DECIMAL,
MFP_NONE,
true,
- 0, NULL
+ 0, NULL,
+ OXM_OF_VLAN_PCP, "OXM_OF_VLAN_PCP",
},
/* ## -- ## */
MFP_IPV4,
true,
NXM_OF_IP_SRC, "NXM_OF_IP_SRC",
+ OXM_OF_IPV4_SRC, "OXM_OF_IPV4_SRC",
}, {
MFF_IPV4_DST, "ip_dst", "nw_dst",
MF_FIELD_SIZES(be32),
MFP_IPV4,
true,
NXM_OF_IP_DST, "NXM_OF_IP_DST",
+ OXM_OF_IPV4_DST, "OXM_OF_IPV4_DST",
},
{
MFP_IPV6,
true,
NXM_NX_IPV6_SRC, "NXM_NX_IPV6_SRC",
+ OXM_OF_IPV6_SRC, "OXM_OF_IPV6_SRC",
}, {
MFF_IPV6_DST, "ipv6_dst", NULL,
MF_FIELD_SIZES(ipv6),
MFP_IPV6,
true,
NXM_NX_IPV6_DST, "NXM_NX_IPV6_DST",
+ OXM_OF_IPV6_DST, "OXM_OF_IPV6_DST",
},
{
MFF_IPV6_LABEL, "ipv6_label", NULL,
MFP_IPV6,
false,
NXM_NX_IPV6_LABEL, "NXM_NX_IPV6_LABEL",
+ OXM_OF_IPV6_FLABEL, "OXM_OF_IPV6_FLABEL",
},
{
MFP_IP_ANY,
false,
NXM_OF_IP_PROTO, "NXM_OF_IP_PROTO",
+ OXM_OF_IP_PROTO, "OXM_OF_IP_PROTO",
}, {
MFF_IP_DSCP, "nw_tos", NULL,
MF_FIELD_SIZES(u8),
MFS_DECIMAL,
MFP_IP_ANY,
true,
- NXM_OF_IP_TOS, "NXM_OF_IP_TOS"
+ NXM_OF_IP_TOS, "NXM_OF_IP_TOS",
+ OXM_OF_IP_DSCP, "OXM_OF_IP_DSCP",
}, {
MFF_IP_ECN, "nw_ecn", NULL,
1, 2,
MFP_IP_ANY,
true,
NXM_NX_IP_ECN, "NXM_NX_IP_ECN",
+ OXM_OF_IP_ECN, "OXM_OF_IP_ECN",
}, {
MFF_IP_TTL, "nw_ttl", NULL,
MF_FIELD_SIZES(u8),
MFS_DECIMAL,
MFP_IP_ANY,
true,
- NXM_NX_IP_TTL, "NXM_NX_IP_TTL"
+ NXM_NX_IP_TTL, "NXM_NX_IP_TTL",
+ 0, NULL,
}, {
MFF_IP_FRAG, "ip_frag", NULL,
1, 2,
MFS_FRAG,
MFP_IP_ANY,
false,
- NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG"
+ NXM_NX_IP_FRAG, "NXM_NX_IP_FRAG",
+ 0, NULL,
},
{
MFP_ARP,
false,
NXM_OF_ARP_OP, "NXM_OF_ARP_OP",
+ OXM_OF_ARP_OP, "OXM_OF_ARP_OP",
}, {
MFF_ARP_SPA, "arp_spa", NULL,
MF_FIELD_SIZES(be32),
MFP_ARP,
false,
NXM_OF_ARP_SPA, "NXM_OF_ARP_SPA",
+ OXM_OF_ARP_SPA, "OXM_OF_ARP_SPA",
}, {
MFF_ARP_TPA, "arp_tpa", NULL,
MF_FIELD_SIZES(be32),
MFP_ARP,
false,
NXM_OF_ARP_TPA, "NXM_OF_ARP_TPA",
+ OXM_OF_ARP_TPA, "OXM_OF_ARP_TPA",
}, {
MFF_ARP_SHA, "arp_sha", NULL,
MF_FIELD_SIZES(mac),
MFP_ARP,
false,
NXM_NX_ARP_SHA, "NXM_NX_ARP_SHA",
+ OXM_OF_ARP_SHA, "OXM_OF_ARP_SHA",
}, {
MFF_ARP_THA, "arp_tha", NULL,
MF_FIELD_SIZES(mac),
MFP_ARP,
false,
NXM_NX_ARP_THA, "NXM_NX_ARP_THA",
+ OXM_OF_ARP_THA, "OXM_OF_ARP_THA",
},
/* ## -- ## */
MFP_TCP,
true,
NXM_OF_TCP_SRC, "NXM_OF_TCP_SRC",
+ OXM_OF_TCP_SRC, "OXM_OF_TCP_SRC",
}, {
MFF_TCP_DST, "tcp_dst", "tp_dst",
MF_FIELD_SIZES(be16),
MFP_TCP,
true,
NXM_OF_TCP_DST, "NXM_OF_TCP_DST",
+ OXM_OF_TCP_DST, "OXM_OF_TCP_DST",
},
{
MFP_UDP,
true,
NXM_OF_UDP_SRC, "NXM_OF_UDP_SRC",
+ OXM_OF_UDP_SRC, "OXM_OF_UDP_SRC",
}, {
MFF_UDP_DST, "udp_dst", NULL,
MF_FIELD_SIZES(be16),
MFP_UDP,
true,
NXM_OF_UDP_DST, "NXM_OF_UDP_DST",
+ OXM_OF_UDP_DST, "OXM_OF_UDP_DST",
},
{
MFP_ICMPV4,
false,
NXM_OF_ICMP_TYPE, "NXM_OF_ICMP_TYPE",
+ OXM_OF_ICMPV4_TYPE, "OXM_OF_ICMPV4_TYPE",
}, {
MFF_ICMPV4_CODE, "icmp_code", NULL,
MF_FIELD_SIZES(u8),
MFP_ICMPV4,
false,
NXM_OF_ICMP_CODE, "NXM_OF_ICMP_CODE",
+ OXM_OF_ICMPV4_CODE, "OXM_OF_ICMPV4_CODE",
},
{
MFP_ICMPV6,
false,
NXM_NX_ICMPV6_TYPE, "NXM_NX_ICMPV6_TYPE",
+ OXM_OF_ICMPV6_TYPE, "OXM_OF_ICMPV6_TYPE",
}, {
MFF_ICMPV6_CODE, "icmpv6_code", NULL,
MF_FIELD_SIZES(u8),
MFP_ICMPV6,
false,
NXM_NX_ICMPV6_CODE, "NXM_NX_ICMPV6_CODE",
+ OXM_OF_ICMPV6_CODE, "OXM_OF_ICMPV6_CODE",
},
/* ## ---- ## */
{
MFF_ND_TARGET, "nd_target", NULL,
MF_FIELD_SIZES(ipv6),
- MFM_NONE, FWW_ND_TARGET,
+ MFM_CIDR, 0,
MFS_IPV6,
MFP_ND,
false,
NXM_NX_ND_TARGET, "NXM_NX_ND_TARGET",
+ OXM_OF_IPV6_ND_TARGET, "OXM_OF_IPV6_ND_TARGET",
}, {
MFF_ND_SLL, "nd_sll", NULL,
MF_FIELD_SIZES(mac),
MFP_ND_SOLICIT,
false,
NXM_NX_ND_SLL, "NXM_NX_ND_SLL",
+ OXM_OF_IPV6_ND_SLL, "OXM_OF_IPV6_ND_SLL",
}, {
MFF_ND_TLL, "nd_tll", NULL,
MF_FIELD_SIZES(mac),
MFP_ND_ADVERT,
false,
NXM_NX_ND_TLL, "NXM_NX_ND_TLL",
+ OXM_OF_IPV6_ND_TLL, "OXM_OF_IPV6_ND_TLL",
}
};
case MFF_ARP_OP:
case MFF_ARP_SHA:
case MFF_ARP_THA:
- case MFF_ND_TARGET:
case MFF_ND_SLL:
case MFF_ND_TLL:
assert(mf->fww_bit != 0);
case MFF_IPV6_DST:
return ipv6_mask_is_any(&wc->ipv6_dst_mask);
+ case MFF_ND_TARGET:
+ return ipv6_mask_is_any(&wc->nd_target_mask);
+
case MFF_IP_FRAG:
return !(wc->nw_frag_mask & FLOW_NW_FRAG_MASK);
case MFF_ARP_OP:
case MFF_ARP_SHA:
case MFF_ARP_THA:
- case MFF_ND_TARGET:
case MFF_ND_SLL:
case MFF_ND_TLL:
assert(mf->fww_bit != 0);
mask->ipv6 = wc->ipv6_dst_mask;
break;
+ case MFF_ND_TARGET:
+ mask->ipv6 = wc->nd_target_mask;
+ break;
+
case MFF_IP_FRAG:
mask->u8 = wc->nw_frag_mask & FLOW_NW_FRAG_MASK;
break;
break;
case MFF_ETH_DST:
- memcpy(flow->dl_src, value->mac, ETH_ADDR_LEN);
+ memcpy(flow->dl_dst, value->mac, ETH_ADDR_LEN);
break;
case MFF_ETH_TYPE:
}
}
+/* Returns true if 'mf' has a zero value in 'flow', false if it is nonzero.
+ *
+ * The caller is responsible for ensuring that 'flow' meets 'mf''s
+ * prerequisites. */
+bool
+mf_is_zero(const struct mf_field *mf, const struct flow *flow)
+{
+ union mf_value value;
+
+ mf_get_value(mf, flow, &value);
+ return is_all_zeros((const uint8_t *) &value, mf->n_bytes);
+}
+
/* Makes 'rule' wildcard field 'mf'.
*
* The caller is responsible for ensuring that 'rule' meets 'mf''s
break;
case MFF_ND_TARGET:
- rule->wc.wildcards |= FWW_ND_TARGET;
+ memset(&rule->wc.nd_target_mask, 0, sizeof rule->wc.nd_target_mask);
memset(&rule->flow.nd_target, 0, sizeof rule->flow.nd_target);
break;
case MFF_ICMPV4_CODE:
case MFF_ICMPV6_TYPE:
case MFF_ICMPV6_CODE:
- case MFF_ND_TARGET:
case MFF_ND_SLL:
case MFF_ND_TLL:
NOT_REACHED();
cls_rule_set_ipv6_dst_masked(rule, &value->ipv6, &mask->ipv6);
break;
+ case MFF_ND_TARGET:
+ cls_rule_set_nd_target_masked(rule, &value->ipv6, &mask->ipv6);
+ break;
+
case MFF_IP_FRAG:
cls_rule_set_nw_frag_masked(rule, value->u8, mask->u8);
break;
}
}
\f
-/* Makes a subfield starting at bit offset 'ofs' and continuing for 'n_bits' in
- * 'rule''s field 'mf' exactly match the 'n_bits' least-significant bits of
- * 'x'.
+/* 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)
+{
+ const struct mf_field *field = sf->field;
+ union mf_value value, mask;
+
+ mf_get(field, rule, &value, &mask);
+ bitwise_copy(x, sizeof *x, 0, &value, field->n_bytes, sf->ofs, sf->n_bits);
+ bitwise_one ( &mask, field->n_bytes, sf->ofs, sf->n_bits);
+ 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 'mf' is originally the following 2-byte field in
- * 'rule':
+ * 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(mf, 0x55, 8, 7, rule) would have the following
- * effect (note that 0x55 is 2#1010101):
+ * 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 'mf'. The caller is responsible for ensuring that
- * 'rule' meets 'mf''s prerequisites. */
+ * 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)
}
}
+/* 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_read_subfield(const struct mf_subfield *sf, const struct flow *flow,
+ union mf_subvalue *x)
+{
+ union mf_value value;
+
+ mf_get_value(sf->field, flow, &value);
+
+ memset(x, 0, sizeof *x);
+ bitwise_copy(&value, sf->field->n_bytes, sf->ofs,
+ x, sizeof *x, 0,
+ sf->n_bits);
+}
+
/* Returns the value of 'sf' within 'flow'. 'sf' must be valid for reading
* 'flow', e.g. as checked by mf_check_src() and sf->n_bits must be 64 or
* less. */