static int parse_odp_key_mask_attr(const char *, const struct simap *port_names,
struct ofpbuf *, struct ofpbuf *);
static void format_odp_key_attr(const struct nlattr *a,
- const struct nlattr *ma, struct ds *ds);
+ const struct nlattr *ma, struct ds *ds,
+ bool verbose);
/* Returns one the following for the action with the given OVS_ACTION_ATTR_*
* 'type':
case OVS_KEY_ATTR_IPV6: return "ipv6";
case OVS_KEY_ATTR_TCP: return "tcp";
case OVS_KEY_ATTR_UDP: return "udp";
+ case OVS_KEY_ATTR_SCTP: return "sctp";
case OVS_KEY_ATTR_ICMP: return "icmp";
case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
case OVS_KEY_ATTR_ARP: return "arp";
break;
case OVS_ACTION_ATTR_SET:
ds_put_cstr(ds, "set(");
- format_odp_key_attr(nl_attr_get(a), NULL, ds);
+ format_odp_key_attr(nl_attr_get(a), NULL, ds, true);
ds_put_cstr(ds, ")");
break;
case OVS_ACTION_ATTR_PUSH_VLAN:
case OVS_KEY_ATTR_IPV6: return sizeof(struct ovs_key_ipv6);
case OVS_KEY_ATTR_TCP: return sizeof(struct ovs_key_tcp);
case OVS_KEY_ATTR_UDP: return sizeof(struct ovs_key_udp);
+ case OVS_KEY_ATTR_SCTP: return sizeof(struct ovs_key_sctp);
case OVS_KEY_ATTR_ICMP: return sizeof(struct ovs_key_icmp);
case OVS_KEY_ATTR_ICMPV6: return sizeof(struct ovs_key_icmpv6);
case OVS_KEY_ATTR_ARP: return sizeof(struct ovs_key_arp);
nl_msg_end_nested(a, tun_key_ofs);
}
+static bool
+odp_mask_attr_is_wildcard(const struct nlattr *ma)
+{
+ return is_all_zeros(nl_attr_get(ma), nl_attr_get_size(ma));
+}
+
static bool
odp_mask_attr_is_exact(const struct nlattr *ma)
{
static void
format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma,
- struct ds *ds)
+ struct ds *ds, bool verbose)
{
struct flow_tnl tun_key;
enum ovs_key_attr attr = nl_attr_type(a);
case OVS_KEY_ATTR_ENCAP:
if (ma && nl_attr_get_size(ma) && nl_attr_get_size(a)) {
odp_flow_format(nl_attr_get(a), nl_attr_get_size(a),
- nl_attr_get(ma), nl_attr_get_size(ma), ds);
+ nl_attr_get(ma), nl_attr_get_size(ma), ds, verbose);
} else if (nl_attr_get_size(a)) {
- odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, ds);
+ odp_flow_format(nl_attr_get(a), nl_attr_get_size(a), NULL, 0, ds,
+ verbose);
}
break;
}
break;
+ case OVS_KEY_ATTR_SCTP:
+ if (ma) {
+ const struct ovs_key_sctp *sctp_mask = nl_attr_get(ma);
+ const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
+
+ ds_put_format(ds, "src=%"PRIu16"/%#"PRIx16
+ ",dst=%"PRIu16"/%#"PRIx16,
+ ntohs(sctp_key->sctp_src), ntohs(sctp_mask->sctp_src),
+ ntohs(sctp_key->sctp_dst), ntohs(sctp_mask->sctp_dst));
+ } else {
+ const struct ovs_key_sctp *sctp_key = nl_attr_get(a);
+
+ ds_put_format(ds, "(src=%"PRIu16",dst=%"PRIu16")",
+ ntohs(sctp_key->sctp_src), ntohs(sctp_key->sctp_dst));
+ }
+ break;
+
case OVS_KEY_ATTR_ICMP:
if (!is_exact) {
const struct ovs_key_icmp *icmp_mask = nl_attr_get(ma);
void
odp_flow_format(const struct nlattr *key, size_t key_len,
const struct nlattr *mask, size_t mask_len,
- struct ds *ds)
+ struct ds *ds, bool verbose)
{
if (key_len) {
const struct nlattr *a;
bool has_ethtype_key = false;
const struct nlattr *ma = NULL;
struct ofpbuf ofp;
+ bool first_field = true;
ofpbuf_init(&ofp, 100);
NL_ATTR_FOR_EACH (a, left, key, key_len) {
- if (a != key) {
- ds_put_char(ds, ',');
- }
- if (nl_attr_type(a) == OVS_KEY_ATTR_ETHERTYPE) {
+ bool is_nested_attr;
+ bool is_wildcard = false;
+ int attr_type = nl_attr_type(a);
+
+ if (attr_type == OVS_KEY_ATTR_ETHERTYPE) {
has_ethtype_key = true;
}
+
+ is_nested_attr = (odp_flow_key_attr_len(attr_type) == -2);
+
if (mask && mask_len) {
ma = nl_attr_find__(mask, mask_len, nl_attr_type(a));
- if (!ma) {
+ is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true;
+ }
+
+ if (verbose || !is_wildcard || is_nested_attr) {
+ if (is_wildcard && !ma) {
ma = generate_all_wildcard_mask(&ofp, a);
}
+ if (!first_field) {
+ ds_put_char(ds, ',');
+ }
+ format_odp_key_attr(a, ma, ds, verbose);
+ first_field = false;
}
- format_odp_key_attr(a, ma, ds);
ofpbuf_clear(&ofp);
}
ofpbuf_uninit(&ofp);
odp_flow_key_format(const struct nlattr *key,
size_t key_len, struct ds *ds)
{
- odp_flow_format(key, key_len, NULL, 0, ds);
+ odp_flow_format(key, key_len, NULL, 0, ds, true);
}
static void
}
}
+ {
+ int sctp_src;
+ int sctp_dst;
+ int sctp_src_mask;
+ int sctp_dst_mask;
+ int n = -1;
+
+ if (mask && sscanf(s, "sctp(src=%i/%i,dst=%i/%i)%n",
+ &sctp_src, &sctp_src_mask,
+ &sctp_dst, &sctp_dst_mask, &n) > 0 && n > 0) {
+ struct ovs_key_sctp sctp_key;
+ struct ovs_key_sctp sctp_mask;
+
+ sctp_key.sctp_src = htons(sctp_src);
+ sctp_key.sctp_dst = htons(sctp_dst);
+ nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
+
+ sctp_mask.sctp_src = htons(sctp_src_mask);
+ sctp_mask.sctp_dst = htons(sctp_dst_mask);
+ nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP,
+ &sctp_mask, sizeof sctp_mask);
+ return n;
+ }
+ if (sscanf(s, "sctp(src=%i,dst=%i)%n", &sctp_src, &sctp_dst, &n) > 0
+ && n > 0) {
+ struct ovs_key_sctp sctp_key;
+
+ sctp_key.sctp_src = htons(sctp_src);
+ sctp_key.sctp_dst = htons(sctp_dst);
+ nl_msg_put_unspec(key, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
+
+ if (mask) {
+ memset(&sctp_key, 0xff, sizeof sctp_key);
+ nl_msg_put_unspec(mask, OVS_KEY_ATTR_SCTP, &sctp_key, sizeof sctp_key);
+ }
+ return n;
+ }
+ }
+
{
int icmp_type;
int icmp_code;
* treat 'data' as a mask. */
is_mask = (data != flow);
- if (flow->skb_priority) {
- nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority);
- }
+ nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority);
if (flow->tunnel.ip_dst || is_mask) {
tun_key_to_attr(buf, &data->tunnel);
}
- if (flow->skb_mark) {
- nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->skb_mark);
- }
+ nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, data->pkt_mark);
/* Add an ingress port attribute if this is a mask or 'odp_in_port'
* is not the magical value "ODPP_NONE". */
sizeof *udp_key);
udp_key->udp_src = data->tp_src;
udp_key->udp_dst = data->tp_dst;
+ } else if (flow->nw_proto == IPPROTO_SCTP) {
+ struct ovs_key_sctp *sctp_key;
+
+ sctp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_SCTP,
+ sizeof *sctp_key);
+ sctp_key->sctp_src = data->tp_src;
+ sctp_key->sctp_dst = data->tp_dst;
} else if (flow->dl_type == htons(ETH_TYPE_IP)
&& flow->nw_proto == IPPROTO_ICMP) {
struct ovs_key_icmp *icmp_key;
static bool
parse_ethertype(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
uint64_t present_attrs, uint64_t *expected_attrs,
- struct flow *flow)
+ struct flow *flow, const struct flow *src_flow)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+ bool is_mask = flow != src_flow;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE)) {
flow->dl_type = nl_attr_get_be16(attrs[OVS_KEY_ATTR_ETHERTYPE]);
- if (ntohs(flow->dl_type) < 1536) {
+ if (!is_mask && ntohs(flow->dl_type) < ETH_TYPE_MIN) {
VLOG_ERR_RL(&rl, "invalid Ethertype %"PRIu16" in flow key",
ntohs(flow->dl_type));
return false;
}
+ if (is_mask && ntohs(src_flow->dl_type) < ETH_TYPE_MIN &&
+ flow->dl_type != htons(0xffff)) {
+ return false;
+ }
*expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERTYPE;
} else {
- flow->dl_type = htons(FLOW_DL_TYPE_NONE);
+ if (!is_mask) {
+ flow->dl_type = htons(FLOW_DL_TYPE_NONE);
+ } else if (ntohs(src_flow->dl_type) < ETH_TYPE_MIN) {
+ /* See comments in odp_flow_key_from_flow__(). */
+ VLOG_ERR_RL(&rl, "mask expected for non-Ethernet II frame");
+ return false;
+ }
}
return true;
}
parse_l2_5_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
uint64_t present_attrs, int out_of_range_attr,
uint64_t expected_attrs, struct flow *flow,
- const struct nlattr *key, size_t key_len)
+ const struct nlattr *key, size_t key_len,
+ const struct flow *src_flow)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
-
- if (eth_type_mpls(flow->dl_type)) {
- expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
-
- if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) {
- return ODP_FIT_TOO_LITTLE;
+ bool is_mask = src_flow != flow;
+ const void *check_start = NULL;
+ size_t check_len = 0;
+ enum ovs_key_attr expected_bit = 0xff;
+
+ if (eth_type_mpls(src_flow->dl_type)) {
+ if (!is_mask) {
+ expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
+
+ if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS))) {
+ return ODP_FIT_TOO_LITTLE;
+ }
+ flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]);
+ flow->mpls_depth++;
+ } else if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_MPLS)) {
+ flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]);
+
+ if (flow->mpls_lse != 0 && flow->dl_type != htons(0xffff)) {
+ return ODP_FIT_ERROR;
+ }
+ expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_MPLS);
+ if (flow->mpls_lse) {
+ /* XXX Is this needed? */
+ flow->mpls_depth = 0xffff;
+ }
+ }
+ goto done;
+ } else if (src_flow->dl_type == htons(ETH_TYPE_IP)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
}
- flow->mpls_lse = nl_attr_get_be32(attrs[OVS_KEY_ATTR_MPLS]);
- flow->mpls_depth++;
- } else if (flow->dl_type == htons(ETH_TYPE_IP)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV4;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV4)) {
const struct ovs_key_ipv4 *ipv4_key;
flow->nw_proto = ipv4_key->ipv4_proto;
flow->nw_tos = ipv4_key->ipv4_tos;
flow->nw_ttl = ipv4_key->ipv4_ttl;
- if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
+ if (is_mask) {
+ flow->nw_frag = ipv4_key->ipv4_frag;
+ check_start = ipv4_key;
+ check_len = sizeof *ipv4_key;
+ expected_bit = OVS_KEY_ATTR_IPV4;
+ } else if (!odp_to_ovs_frag(ipv4_key->ipv4_frag, flow)) {
return ODP_FIT_ERROR;
}
}
- } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
+ } else if (src_flow->dl_type == htons(ETH_TYPE_IPV6)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IPV6;
+ }
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IPV6)) {
const struct ovs_key_ipv6 *ipv6_key;
flow->nw_proto = ipv6_key->ipv6_proto;
flow->nw_tos = ipv6_key->ipv6_tclass;
flow->nw_ttl = ipv6_key->ipv6_hlimit;
- if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
+ if (is_mask) {
+ flow->nw_frag = ipv6_key->ipv6_frag;
+ check_start = ipv6_key;
+ check_len = sizeof *ipv6_key;
+ expected_bit = OVS_KEY_ATTR_IPV6;
+ } else if (!odp_to_ovs_frag(ipv6_key->ipv6_frag, flow)) {
return ODP_FIT_ERROR;
}
}
- } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
- flow->dl_type == htons(ETH_TYPE_RARP)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
+ } else if (src_flow->dl_type == htons(ETH_TYPE_ARP) ||
+ src_flow->dl_type == htons(ETH_TYPE_RARP)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
+ }
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
const struct ovs_key_arp *arp_key;
arp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ARP]);
flow->nw_src = arp_key->arp_sip;
flow->nw_dst = arp_key->arp_tip;
- if (arp_key->arp_op & htons(0xff00)) {
+ if (!is_mask && (arp_key->arp_op & htons(0xff00))) {
VLOG_ERR_RL(&rl, "unsupported ARP opcode %"PRIu16" in flow "
"key", ntohs(arp_key->arp_op));
return ODP_FIT_ERROR;
flow->nw_proto = ntohs(arp_key->arp_op);
memcpy(flow->arp_sha, arp_key->arp_sha, ETH_ADDR_LEN);
memcpy(flow->arp_tha, arp_key->arp_tha, ETH_ADDR_LEN);
+
+ if (is_mask) {
+ check_start = arp_key;
+ check_len = sizeof *arp_key;
+ expected_bit = OVS_KEY_ATTR_ARP;
+ }
+ }
+ } else {
+ goto done;
+ }
+ if (is_mask) {
+ if (!is_all_zeros(check_start, check_len) &&
+ flow->dl_type != htons(0xffff)) {
+ return ODP_FIT_ERROR;
+ } else {
+ expected_attrs |= UINT64_C(1) << expected_bit;
}
}
- if (flow->nw_proto == IPPROTO_TCP
- && (flow->dl_type == htons(ETH_TYPE_IP) ||
- flow->dl_type == htons(ETH_TYPE_IPV6))
- && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
+ expected_bit = OVS_KEY_ATTR_UNSPEC;
+ if (src_flow->nw_proto == IPPROTO_TCP
+ && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
+ src_flow->dl_type == htons(ETH_TYPE_IPV6))
+ && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TCP;
+ }
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TCP)) {
const struct ovs_key_tcp *tcp_key;
tcp_key = nl_attr_get(attrs[OVS_KEY_ATTR_TCP]);
flow->tp_src = tcp_key->tcp_src;
flow->tp_dst = tcp_key->tcp_dst;
+ expected_bit = OVS_KEY_ATTR_TCP;
+ }
+ } else if (src_flow->nw_proto == IPPROTO_UDP
+ && (src_flow->dl_type == htons(ETH_TYPE_IP) ||
+ src_flow->dl_type == htons(ETH_TYPE_IPV6))
+ && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
}
- } else if (flow->nw_proto == IPPROTO_UDP
- && (flow->dl_type == htons(ETH_TYPE_IP) ||
- flow->dl_type == htons(ETH_TYPE_IPV6))
- && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_UDP;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_UDP)) {
const struct ovs_key_udp *udp_key;
udp_key = nl_attr_get(attrs[OVS_KEY_ATTR_UDP]);
flow->tp_src = udp_key->udp_src;
flow->tp_dst = udp_key->udp_dst;
+ expected_bit = OVS_KEY_ATTR_UDP;
}
- } else if (flow->nw_proto == IPPROTO_ICMP
- && flow->dl_type == htons(ETH_TYPE_IP)
+ } else if (flow->nw_proto == IPPROTO_SCTP
+ && (flow->dl_type == htons(ETH_TYPE_IP) ||
+ flow->dl_type == htons(ETH_TYPE_IPV6))
&& !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SCTP;
+ }
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SCTP)) {
+ const struct ovs_key_sctp *sctp_key;
+
+ sctp_key = nl_attr_get(attrs[OVS_KEY_ATTR_SCTP]);
+ flow->tp_src = sctp_key->sctp_src;
+ flow->tp_dst = sctp_key->sctp_dst;
+ expected_bit = OVS_KEY_ATTR_SCTP;
+ }
+ } else if (src_flow->nw_proto == IPPROTO_ICMP
+ && src_flow->dl_type == htons(ETH_TYPE_IP)
+ && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMP;
+ }
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMP)) {
const struct ovs_key_icmp *icmp_key;
icmp_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMP]);
flow->tp_src = htons(icmp_key->icmp_type);
flow->tp_dst = htons(icmp_key->icmp_code);
+ expected_bit = OVS_KEY_ATTR_ICMP;
+ }
+ } else if (src_flow->nw_proto == IPPROTO_ICMPV6
+ && src_flow->dl_type == htons(ETH_TYPE_IPV6)
+ && !(src_flow->nw_frag & FLOW_NW_FRAG_LATER)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
}
- } else if (flow->nw_proto == IPPROTO_ICMPV6
- && flow->dl_type == htons(ETH_TYPE_IPV6)
- && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ICMPV6;
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ICMPV6)) {
const struct ovs_key_icmpv6 *icmpv6_key;
icmpv6_key = nl_attr_get(attrs[OVS_KEY_ATTR_ICMPV6]);
flow->tp_src = htons(icmpv6_key->icmpv6_type);
flow->tp_dst = htons(icmpv6_key->icmpv6_code);
-
- if (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
- flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) {
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
+ expected_bit = OVS_KEY_ATTR_ICMPV6;
+ if (src_flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
+ src_flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) {
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
+ }
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ND)) {
const struct ovs_key_nd *nd_key;
sizeof flow->nd_target);
memcpy(flow->arp_sha, nd_key->nd_sll, ETH_ADDR_LEN);
memcpy(flow->arp_tha, nd_key->nd_tll, ETH_ADDR_LEN);
+ if (is_mask) {
+ if (!is_all_zeros((const uint8_t *) nd_key,
+ sizeof *nd_key) &&
+ flow->tp_src != htons(0xffff)) {
+ return ODP_FIT_ERROR;
+ } else {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ND;
+ }
+ }
}
}
}
}
+ if (is_mask && expected_bit != OVS_KEY_ATTR_UNSPEC) {
+ if ((flow->tp_src || flow->tp_dst) && flow->nw_proto != 0xff) {
+ return ODP_FIT_ERROR;
+ } else {
+ expected_attrs |= UINT64_C(1) << expected_bit;
+ }
+ }
+done:
return check_expectations(present_attrs, out_of_range_attr, expected_attrs,
key, key_len);
}
parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
uint64_t present_attrs, int out_of_range_attr,
uint64_t expected_attrs, struct flow *flow,
- const struct nlattr *key, size_t key_len)
+ const struct nlattr *key, size_t key_len,
+ const struct flow *src_flow)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+ bool is_mask = src_flow != flow;
const struct nlattr *encap
= (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)
ovs_be16 tci;
/* Calculate fitness of outer attributes. */
- expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
- (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
+ if (!is_mask) {
+ expected_attrs |= ((UINT64_C(1) << OVS_KEY_ATTR_VLAN) |
+ (UINT64_C(1) << OVS_KEY_ATTR_ENCAP));
+ } else {
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
+ expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
+ }
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP)) {
+ expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_ENCAP);
+ }
+ }
fitness = check_expectations(present_attrs, out_of_range_attr,
expected_attrs, key, key_len);
/* Get the VLAN TCI value. */
- if (!(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
+ if (!is_mask && !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN))) {
return ODP_FIT_TOO_LITTLE;
- }
- tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
- if (tci == htons(0)) {
- /* Corner case for a truncated 802.1Q header. */
- if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
- return ODP_FIT_TOO_MUCH;
- }
+ } else {
+ tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
+ if (!is_mask) {
+ if (tci == htons(0)) {
+ /* Corner case for a truncated 802.1Q header. */
+ if (fitness == ODP_FIT_PERFECT && nl_attr_get_size(encap)) {
+ return ODP_FIT_TOO_MUCH;
+ }
+ return fitness;
+ } else if (!(tci & htons(VLAN_CFI))) {
+ VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
+ "but CFI bit is not set", ntohs(tci));
+ return ODP_FIT_ERROR;
+ }
+ }
+ /* Set vlan_tci.
+ * Remove the TPID from dl_type since it's not the real Ethertype. */
+ flow->dl_type = htons(0);
+ flow->vlan_tci = tci;
+ }
+
+ if (is_mask && !(present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ENCAP))) {
return fitness;
- } else if (!(tci & htons(VLAN_CFI))) {
- VLOG_ERR_RL(&rl, "OVS_KEY_ATTR_VLAN 0x%04"PRIx16" is nonzero "
- "but CFI bit is not set", ntohs(tci));
- return ODP_FIT_ERROR;
}
-
- /* Set vlan_tci.
- * Remove the TPID from dl_type since it's not the real Ethertype. */
- flow->vlan_tci = tci;
- flow->dl_type = htons(0);
-
/* Now parse the encapsulated attributes. */
if (!parse_flow_nlattrs(nl_attr_get(encap), nl_attr_get_size(encap),
attrs, &present_attrs, &out_of_range_attr)) {
}
expected_attrs = 0;
- if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
+ if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow, src_flow)) {
return ODP_FIT_ERROR;
}
encap_fitness = parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
- expected_attrs, flow, key, key_len);
+ expected_attrs, flow, key, key_len,
+ src_flow);
/* The overall fitness is the worse of the outer and inner attributes. */
return MAX(fitness, encap_fitness);
}
-/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
- * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
- * 'key' fits our expectations for what a flow key should contain.
- *
- * The 'in_port' will be the datapath's understanding of the port. The
- * caller will need to translate with odp_port_to_ofp_port() if the
- * OpenFlow port is needed.
- *
- * This function doesn't take the packet itself as an argument because none of
- * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
- * it is always possible to infer which additional attribute(s) should appear
- * by looking at the attributes for lower-level protocols, e.g. if the network
- * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
- * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
- * must be absent. */
-enum odp_key_fitness
-odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
- struct flow *flow)
+static enum odp_key_fitness
+odp_flow_key_to_flow__(const struct nlattr *key, size_t key_len,
+ struct flow *flow, const struct flow *src_flow)
{
const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
uint64_t expected_attrs;
uint64_t present_attrs;
int out_of_range_attr;
+ bool is_mask = src_flow != flow;
memset(flow, 0, sizeof *flow);
}
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK)) {
- flow->skb_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]);
+ flow->pkt_mark = nl_attr_get_u32(attrs[OVS_KEY_ATTR_SKB_MARK]);
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_SKB_MARK;
}
flow->in_port.odp_port
= nl_attr_get_odp_port(attrs[OVS_KEY_ATTR_IN_PORT]);
expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
- } else {
+ } else if (!is_mask) {
flow->in_port.odp_port = ODPP_NONE;
}
eth_key = nl_attr_get(attrs[OVS_KEY_ATTR_ETHERNET]);
memcpy(flow->dl_src, eth_key->eth_src, ETH_ADDR_LEN);
memcpy(flow->dl_dst, eth_key->eth_dst, ETH_ADDR_LEN);
+ if (is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
+ }
+ }
+ if (!is_mask) {
+ expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
}
- expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ETHERNET;
/* Get Ethertype or 802.1Q TPID or FLOW_DL_TYPE_NONE. */
- if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow)) {
+ if (!parse_ethertype(attrs, present_attrs, &expected_attrs, flow,
+ src_flow)) {
return ODP_FIT_ERROR;
}
- if (flow->dl_type == htons(ETH_TYPE_VLAN)) {
+ if ((is_mask && (src_flow->vlan_tci & htons(VLAN_CFI))) ||
+ (!is_mask && src_flow->dl_type == htons(ETH_TYPE_VLAN))) {
return parse_8021q_onward(attrs, present_attrs, out_of_range_attr,
- expected_attrs, flow, key, key_len);
+ expected_attrs, flow, key, key_len, src_flow);
+ }
+ if (is_mask) {
+ flow->vlan_tci = htons(0xffff);
+ if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_VLAN)) {
+ flow->vlan_tci = nl_attr_get_be16(attrs[OVS_KEY_ATTR_VLAN]);
+ expected_attrs |= (UINT64_C(1) << OVS_KEY_ATTR_VLAN);
+ }
}
return parse_l2_5_onward(attrs, present_attrs, out_of_range_attr,
- expected_attrs, flow, key, key_len);
+ expected_attrs, flow, key, key_len, src_flow);
+}
+
+/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a flow
+ * structure in 'flow'. Returns an ODP_FIT_* value that indicates how well
+ * 'key' fits our expectations for what a flow key should contain.
+ *
+ * The 'in_port' will be the datapath's understanding of the port. The
+ * caller will need to translate with odp_port_to_ofp_port() if the
+ * OpenFlow port is needed.
+ *
+ * This function doesn't take the packet itself as an argument because none of
+ * the currently understood OVS_KEY_ATTR_* attributes require it. Currently,
+ * it is always possible to infer which additional attribute(s) should appear
+ * by looking at the attributes for lower-level protocols, e.g. if the network
+ * protocol in OVS_KEY_ATTR_IPV4 or OVS_KEY_ATTR_IPV6 is IPPROTO_TCP then we
+ * know that a OVS_KEY_ATTR_TCP attribute must appear and that otherwise it
+ * must be absent. */
+enum odp_key_fitness
+odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
+ struct flow *flow)
+{
+ return odp_flow_key_to_flow__(key, key_len, flow, flow);
+}
+
+/* Converts the 'key_len' bytes of OVS_KEY_ATTR_* attributes in 'key' to a mask
+ * structure in 'mask'. 'flow' must be a previously translated flow
+ * corresponding to 'mask'. Returns an ODP_FIT_* value that indicates how well
+ * 'key' fits our expectations for what a flow key should contain. */
+enum odp_key_fitness
+odp_flow_key_to_mask(const struct nlattr *key, size_t key_len,
+ struct flow *mask, const struct flow *flow)
+{
+ return odp_flow_key_to_flow__(key, key_len, mask, flow);
}
/* Returns 'fitness' as a string, for use in debug messages. */
}
void
-odp_put_skb_mark_action(const uint32_t skb_mark,
+odp_put_pkt_mark_action(const uint32_t pkt_mark,
struct ofpbuf *odp_actions)
{
- commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &skb_mark,
- sizeof(skb_mark));
+ commit_set_action(odp_actions, OVS_KEY_ATTR_SKB_MARK, &pkt_mark,
+ sizeof(pkt_mark));
}
/* If any of the flow key data that ODP actions can modify are different in
commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
&port_key, sizeof(port_key));
+ } else if (flow->nw_proto == IPPROTO_SCTP) {
+ struct ovs_key_sctp port_key;
+
+ port_key.sctp_src = base->tp_src = flow->tp_src;
+ port_key.sctp_dst = base->tp_dst = flow->tp_dst;
+
+ commit_set_action(odp_actions, OVS_KEY_ATTR_SCTP,
+ &port_key, sizeof(port_key));
}
}
}
static void
-commit_set_skb_mark_action(const struct flow *flow, struct flow *base,
+commit_set_pkt_mark_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions,
struct flow_wildcards *wc)
{
- if (base->skb_mark == flow->skb_mark) {
+ if (base->pkt_mark == flow->pkt_mark) {
return;
}
- memset(&wc->masks.skb_mark, 0xff, sizeof wc->masks.skb_mark);
- base->skb_mark = flow->skb_mark;
+ memset(&wc->masks.pkt_mark, 0xff, sizeof wc->masks.pkt_mark);
+ base->pkt_mark = flow->pkt_mark;
- odp_put_skb_mark_action(base->skb_mark, odp_actions);
+ odp_put_pkt_mark_action(base->pkt_mark, odp_actions);
}
/* If any of the flow key data that ODP actions can modify are different in
* 'base' and 'flow', appends ODP actions to 'odp_actions' that change the flow
*/
commit_mpls_action(flow, base, odp_actions, wc);
commit_set_priority_action(flow, base, odp_actions, wc);
- commit_set_skb_mark_action(flow, base, odp_actions, wc);
+ commit_set_pkt_mark_action(flow, base, odp_actions, wc);
}