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,
+ const struct hmap *portno_names, 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";
format_odp_sample_action(struct ds *ds, const struct nlattr *attr)
{
static const struct nl_policy ovs_sample_policy[] = {
- [OVS_SAMPLE_ATTR_PROBABILITY] = { .type = NL_A_U32 },
- [OVS_SAMPLE_ATTR_ACTIONS] = { .type = NL_A_NESTED }
+ { NL_A_NO_ATTR, 0, 0, false }, /* OVS_SAMPLE_ATTR_UNSPEC */
+ { NL_A_U32, 0, 0, false }, /* OVS_SAMPLE_ATTR_PROBABILITY */
+ { NL_A_NESTED, 0, 0, false }, /* OVS_SAMPLE_ATTR_ACTIONS */
};
struct nlattr *a[ARRAY_SIZE(ovs_sample_policy)];
double percentage;
}
static const char *
-slow_path_reason_to_string(enum slow_path_reason reason)
+slow_path_reason_to_string(uint32_t reason)
{
- switch (reason) {
- case SLOW_CFM:
- return "cfm";
- case SLOW_LACP:
- return "lacp";
- case SLOW_STP:
- return "stp";
- case SLOW_BFD:
- return "bfd";
- case SLOW_CONTROLLER:
- return "controller";
- case __SLOW_MAX:
- default:
- return NULL;
+ switch ((enum slow_path_reason) reason) {
+#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return STRING;
+ SLOW_PATH_REASONS
+#undef SPR
}
+
+ return NULL;
}
-static enum slow_path_reason
-string_to_slow_path_reason(const char *string)
+const char *
+slow_path_reason_to_explanation(enum slow_path_reason reason)
{
- enum slow_path_reason i;
-
- for (i = 1; i < __SLOW_MAX; i++) {
- if (!strcmp(string, slow_path_reason_to_string(i))) {
- return i;
- }
+ switch (reason) {
+#define SPR(ENUM, STRING, EXPLANATION) case ENUM: return EXPLANATION;
+ SLOW_PATH_REASONS
+#undef SPR
}
- return 0;
+ return "<unknown>";
}
static int
format_odp_userspace_action(struct ds *ds, const struct nlattr *attr)
{
static const struct nl_policy ovs_userspace_policy[] = {
- [OVS_USERSPACE_ATTR_PID] = { .type = NL_A_U32 },
- [OVS_USERSPACE_ATTR_USERDATA] = { .type = NL_A_UNSPEC,
- .optional = true },
+ { NL_A_NO_ATTR, 0, 0, false }, /* OVS_USERSPACE_ATTR_UNSPEC */
+ { NL_A_U32, 0, 0, false }, /* OVS_USERSPACE_ATTR_PID */
+ { NL_A_UNSPEC, 0, 0, true }, /* OVS_USERSPACE_ATTR_USERDATA */
};
struct nlattr *a[ARRAY_SIZE(ovs_userspace_policy)];
const struct nlattr *userdata_attr;
cookie.sflow.output);
} else if (userdata_len == sizeof cookie.slow_path
&& cookie.type == USER_ACTION_COOKIE_SLOW_PATH) {
- const char *reason;
- reason = slow_path_reason_to_string(cookie.slow_path.reason);
- reason = reason ? reason : "";
- ds_put_format(ds, ",slow_path(%s)", reason);
+ ds_put_cstr(ds, ",slow_path(");
+ format_flags(ds, slow_path_reason_to_string,
+ cookie.slow_path.reason, ',');
+ ds_put_format(ds, ")");
} else if (userdata_len == sizeof cookie.flow_sample
&& cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) {
ds_put_format(ds, ",flow_sample(probability=%"PRIu16
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, NULL, ds, true);
ds_put_cstr(ds, ")");
break;
case OVS_ACTION_ATTR_PUSH_VLAN:
odp_put_userspace_action(pid, &cookie, sizeof cookie.sflow,
actions);
return n;
- } else if (sscanf(s, "userspace(pid=%lli,slow_path(%n", &pid, &n) > 0
+ } else if (sscanf(s, "userspace(pid=%lli,slow_path%n", &pid, &n) > 0
&& n > 0) {
union user_action_cookie cookie;
- char reason[32];
-
- if (s[n] == ')' && s[n + 1] == ')') {
- reason[0] = '\0';
- n += 2;
- } else if (sscanf(s + n, "%31[^)]))", reason) > 0) {
- n += strlen(reason) + 2;
- } else {
- return -EINVAL;
- }
+ int res;
cookie.type = USER_ACTION_COOKIE_SLOW_PATH;
cookie.slow_path.unused = 0;
- cookie.slow_path.reason = string_to_slow_path_reason(reason);
+ cookie.slow_path.reason = 0;
- if (reason[0] && !cookie.slow_path.reason) {
+ res = parse_flags(&s[n], slow_path_reason_to_string,
+ &cookie.slow_path.reason);
+ if (res < 0) {
+ return res;
+ }
+ n += res;
+ if (s[n] != ')') {
return -EINVAL;
}
+ n++;
odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path,
actions);
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)
{
return is_exact;
}
+void
+odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no,
+ char *port_name)
+{
+ struct odp_portno_names *odp_portno_names;
+
+ odp_portno_names = xmalloc(sizeof *odp_portno_names);
+ odp_portno_names->port_no = port_no;
+ odp_portno_names->name = xstrdup(port_name);
+ hmap_insert(portno_names, &odp_portno_names->hmap_node,
+ hash_odp_port(port_no));
+}
+
+static char *
+odp_portno_names_get(const struct hmap *portno_names, odp_port_t port_no)
+{
+ struct odp_portno_names *odp_portno_names;
+
+ HMAP_FOR_EACH_IN_BUCKET (odp_portno_names, hmap_node,
+ hash_odp_port(port_no), portno_names) {
+ if (odp_portno_names->port_no == port_no) {
+ return odp_portno_names->name;
+ }
+ }
+ return NULL;
+}
+
+void
+odp_portno_names_destroy(struct hmap *portno_names)
+{
+ struct odp_portno_names *odp_portno_names, *odp_portno_names_next;
+ HMAP_FOR_EACH_SAFE (odp_portno_names, odp_portno_names_next,
+ hmap_node, portno_names) {
+ hmap_remove(portno_names, &odp_portno_names->hmap_node);
+ free(odp_portno_names->name);
+ free(odp_portno_names);
+ }
+}
static void
format_odp_key_attr(const struct nlattr *a, const struct nlattr *ma,
- struct ds *ds)
+ const struct hmap *portno_names, struct ds *ds,
+ bool verbose)
{
struct flow_tnl tun_key;
enum ovs_key_attr attr = nl_attr_type(a);
char namebuf[OVS_KEY_ATTR_BUFSIZE];
int expected_len;
+ bool is_exact;
- if (ma && odp_mask_attr_is_exact(ma)) {
- ma = NULL;
- }
+ is_exact = ma ? odp_mask_attr_is_exact(ma) : true;
ds_put_cstr(ds, ovs_key_attr_to_string(attr, namebuf, sizeof namebuf));
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), NULL, 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, NULL,
+ ds, verbose);
}
break;
case OVS_KEY_ATTR_PRIORITY:
case OVS_KEY_ATTR_SKB_MARK:
ds_put_format(ds, "%#"PRIx32, nl_attr_get_u32(a));
- if (ma) {
+ if (!is_exact) {
ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
}
break;
memset(&tun_key, 0, sizeof tun_key);
if (odp_tun_key_from_attr(a, &tun_key) == ODP_FIT_ERROR) {
ds_put_format(ds, "error");
- } else if (ma) {
+ } else if (!is_exact) {
struct flow_tnl tun_mask;
memset(&tun_mask, 0, sizeof tun_mask);
break;
case OVS_KEY_ATTR_IN_PORT:
- ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
- if (ma) {
- ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
+ if (portno_names && verbose && is_exact) {
+ char *name = odp_portno_names_get(portno_names,
+ u32_to_odp(nl_attr_get_u32(a)));
+ if (name) {
+ ds_put_format(ds, "%s", name);
+ } else {
+ ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
+ }
+ } else {
+ ds_put_format(ds, "%"PRIu32, nl_attr_get_u32(a));
+ if (!is_exact) {
+ ds_put_format(ds, "/%#"PRIx32, nl_attr_get_u32(ma));
+ }
}
break;
case OVS_KEY_ATTR_ETHERNET:
- if (ma) {
+ if (!is_exact) {
const struct ovs_key_ethernet *eth_mask = nl_attr_get(ma);
const struct ovs_key_ethernet *eth_key = nl_attr_get(a);
case OVS_KEY_ATTR_VLAN:
{
ovs_be16 vlan_tci = nl_attr_get_be16(a);
- if (ma) {
+ if (!is_exact) {
ovs_be16 mask = nl_attr_get_be16(ma);
- ds_put_format(ds, "vid=%"PRIu16"/%"PRIx16",pcp=%d/0x%x,cfi=%d/%d",
+ ds_put_format(ds, "vid=%"PRIu16"/0x%"PRIx16",pcp=%d/0x%x,cfi=%d/%d",
vlan_tci_to_vid(vlan_tci),
vlan_tci_to_vid(mask),
vlan_tci_to_pcp(vlan_tci),
- vlan_tci_to_vid(mask),
+ vlan_tci_to_pcp(mask),
vlan_tci_to_cfi(vlan_tci),
vlan_tci_to_cfi(mask));
} else {
case OVS_KEY_ATTR_MPLS: {
const struct ovs_key_mpls *mpls_key = nl_attr_get(a);
const struct ovs_key_mpls *mpls_mask = NULL;
- if (ma) {
+ if (!is_exact) {
mpls_mask = nl_attr_get(ma);
}
format_mpls(ds, mpls_key, mpls_mask);
case OVS_KEY_ATTR_ETHERTYPE:
ds_put_format(ds, "0x%04"PRIx16, ntohs(nl_attr_get_be16(a)));
- if (ma) {
+ if (!is_exact) {
ds_put_format(ds, "/0x%04"PRIx16, ntohs(nl_attr_get_be16(ma)));
}
break;
case OVS_KEY_ATTR_IPV4:
- if (ma) {
+ if (!is_exact) {
const struct ovs_key_ipv4 *ipv4_key = nl_attr_get(a);
const struct ovs_key_ipv4 *ipv4_mask = nl_attr_get(ma);
break;
case OVS_KEY_ATTR_IPV6:
- if (ma) {
+ if (!is_exact) {
const struct ovs_key_ipv6 *ipv6_key, *ipv6_mask;
char src_str[INET6_ADDRSTRLEN];
char dst_str[INET6_ADDRSTRLEN];
break;
case OVS_KEY_ATTR_TCP:
- if (ma) {
+ if (!is_exact) {
const struct ovs_key_tcp *tcp_mask = nl_attr_get(ma);
const struct ovs_key_tcp *tcp_key = nl_attr_get(a);
break;
case OVS_KEY_ATTR_UDP:
- if (ma) {
+ if (!is_exact) {
const struct ovs_key_udp *udp_mask = nl_attr_get(ma);
const struct ovs_key_udp *udp_key = nl_attr_get(a);
}
break;
- case OVS_KEY_ATTR_ICMP:
+ 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);
const struct ovs_key_icmp *icmp_key = nl_attr_get(a);
break;
case OVS_KEY_ATTR_ICMPV6:
- if (ma) {
+ if (!is_exact) {
const struct ovs_key_icmpv6 *icmpv6_mask = nl_attr_get(ma);
const struct ovs_key_icmpv6 *icmpv6_key = nl_attr_get(a);
break;
case OVS_KEY_ATTR_ARP:
- if (ma) {
+ if (!is_exact) {
const struct ovs_key_arp *arp_mask = nl_attr_get(ma);
const struct ovs_key_arp *arp_key = nl_attr_get(a);
break;
case OVS_KEY_ATTR_ND: {
- const struct ovs_key_nd *nd_key, *nd_mask;
+ const struct ovs_key_nd *nd_key, *nd_mask = NULL;
char target[INET6_ADDRSTRLEN];
nd_key = nl_attr_get(a);
- nd_mask = ma ? nl_attr_get(ma) : NULL;
+ if (!is_exact) {
+ nd_mask = nl_attr_get(ma);
+ }
inet_ntop(AF_INET6, nd_key->nd_target, target, sizeof target);
ds_put_format(ds, "target=%s", target);
- if (nd_mask) {
+ if (!is_exact) {
inet_ntop(AF_INET6, nd_mask->nd_target, target, sizeof target);
ds_put_format(ds, "/%s", target);
}
if (!eth_addr_is_zero(nd_key->nd_sll)) {
ds_put_format(ds, ",sll="ETH_ADDR_FMT,
ETH_ADDR_ARGS(nd_key->nd_sll));
- if (nd_mask) {
+ if (!is_exact) {
ds_put_format(ds, "/"ETH_ADDR_FMT,
ETH_ADDR_ARGS(nd_mask->nd_sll));
}
if (!eth_addr_is_zero(nd_key->nd_tll)) {
ds_put_format(ds, ",tll="ETH_ADDR_FMT,
ETH_ADDR_ARGS(nd_key->nd_tll));
- if (nd_mask) {
+ if (!is_exact) {
ds_put_format(ds, "/"ETH_ADDR_FMT,
ETH_ADDR_ARGS(nd_mask->nd_tll));
}
case __OVS_KEY_ATTR_MAX:
default:
format_generic_odp_key(a, ds);
- if (ma) {
+ if (!is_exact) {
ds_put_char(ds, '/');
format_generic_odp_key(ma, ds);
}
ds_put_char(ds, ')');
}
+static struct nlattr *
+generate_all_wildcard_mask(struct ofpbuf *ofp, const struct nlattr *key)
+{
+ const struct nlattr *a;
+ unsigned int left;
+ int type = nl_attr_type(key);
+ int size = nl_attr_get_size(key);
+
+ if (odp_flow_key_attr_len(type) >=0) {
+ memset(nl_msg_put_unspec_uninit(ofp, type, size), 0, size);
+ } else {
+ size_t nested_mask;
+
+ nested_mask = nl_msg_start_nested(ofp, type);
+ NL_ATTR_FOR_EACH(a, left, key, nl_attr_get_size(key)) {
+ generate_all_wildcard_mask(ofp, nl_attr_get(a));
+ }
+ nl_msg_end_nested(ofp, nested_mask);
+ }
+
+ return ofp->base;
+}
+
/* Appends to 'ds' a string representation of the 'key_len' bytes of
* OVS_KEY_ATTR_* attributes in 'key'. If non-null, additionally formats the
* 'mask_len' bytes of 'mask' which apply to 'key'. */
void
odp_flow_format(const struct nlattr *key, size_t key_len,
const struct nlattr *mask, size_t mask_len,
- struct ds *ds)
+ const struct hmap *portno_names, struct ds *ds, bool verbose)
{
if (key_len) {
const struct nlattr *a;
unsigned int left;
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));
+ is_wildcard = ma ? odp_mask_attr_is_wildcard(ma) : true;
}
- format_odp_key_attr(a, ma, ds);
+
+ 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, portno_names, ds, verbose);
+ first_field = false;
+ }
+ ofpbuf_clear(&ofp);
}
+ ofpbuf_uninit(&ofp);
+
if (left) {
int i;
-
+
if (left == key_len) {
ds_put_cstr(ds, "<empty>");
}
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, NULL, ds, true);
+}
+
+static void
+put_nd(struct ovs_key_nd* nd_key, const uint8_t *nd_sll,
+ const uint8_t *nd_tll, struct ofpbuf *key)
+{
+ if (nd_sll) {
+ memcpy(nd_key->nd_sll, nd_sll, ETH_ADDR_LEN);
+ }
+
+ if (nd_tll) {
+ memcpy(nd_key->nd_tll, nd_tll, ETH_ADDR_LEN);
+ }
+
+ nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, nd_key, sizeof *nd_key);
}
static int
-put_nd_key(int n, const char *nd_target_s,
- const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *key)
+put_nd_key(int n, const char *nd_target_s, const uint8_t *nd_sll,
+ const uint8_t *nd_tll, struct ofpbuf *key)
{
struct ovs_key_nd nd_key;
memset(&nd_key, 0, sizeof nd_key);
+
if (inet_pton(AF_INET6, nd_target_s, nd_key.nd_target) != 1) {
return -EINVAL;
}
- if (nd_sll) {
- memcpy(nd_key.nd_sll, nd_sll, ETH_ADDR_LEN);
- }
- if (nd_tll) {
- memcpy(nd_key.nd_tll, nd_tll, ETH_ADDR_LEN);
+
+ put_nd(&nd_key, nd_sll, nd_tll, key);
+ return n;
+}
+
+static int
+put_nd_mask(int n, const char *nd_target_s,
+ const uint8_t *nd_sll, const uint8_t *nd_tll, struct ofpbuf *mask)
+{
+ struct ovs_key_nd nd_mask;
+
+ memset(&nd_mask, 0xff, sizeof nd_mask);
+
+ if (strlen(nd_target_s) != 0 &&
+ inet_pton(AF_INET6, nd_target_s, nd_mask.nd_target) != 1) {
+ return -EINVAL;
}
- nl_msg_put_unspec(key, OVS_KEY_ATTR_ND, &nd_key, sizeof nd_key);
+
+ put_nd(&nd_mask, nd_sll, nd_tll, mask);
return n;
}
int name_len;
name = s + 8;
- name_len = strcspn(s, ")");
+ name_len = strcspn(name, ")");
node = simap_find_len(port_names, name, name_len);
if (node) {
nl_msg_put_u32(key, OVS_KEY_ATTR_IN_PORT, node->data);
(pcp << VLAN_PCP_SHIFT) |
VLAN_CFI));
if (mask) {
- nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, htons(UINT16_MAX));
+ nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
}
return n;
} else if (mask && (sscanf(s, "vlan(vid=%"SCNi16"/%"SCNi16",pcp=%i/%i,cfi=%i/%i)%n",
(pcp << VLAN_PCP_SHIFT) |
(cfi ? VLAN_CFI : 0)));
if (mask) {
- nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, htons(UINT16_MAX));
+ nl_msg_put_be16(mask, OVS_KEY_ATTR_VLAN, OVS_BE16_MAX);
}
return n;
}
} else if (sscanf(s, "eth_type(%i)%n", ð_type, &n) > 0 && n > 0) {
nl_msg_put_be16(key, OVS_KEY_ATTR_ETHERTYPE, htons(eth_type));
if (mask) {
- nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE,
- htons(UINT16_MAX));
+ nl_msg_put_be16(mask, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
}
return n;
}
if (mask) {
mpls = nl_msg_put_unspec_uninit(mask, OVS_KEY_ATTR_MPLS,
sizeof *mpls);
- mpls->mpls_lse = htonl(UINT32_MAX);
+ mpls->mpls_lse = OVS_BE32_MAX;
}
return n;
}
}
}
+ {
+ 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;
uint8_t nd_tll_mask[ETH_ADDR_LEN];
int n = -1;
- memset(&nd_target_mask_s[0], 0xff, sizeof nd_target_s);
- memset(&nd_sll_mask[0], 0xff, sizeof nd_sll);
- memset(&nd_tll_mask [0], 0xff, sizeof nd_tll);
+ nd_target_mask_s[0] = 0;
+ memset(nd_sll_mask, 0xff, sizeof nd_sll_mask);
+ memset(nd_tll_mask, 0xff, sizeof nd_tll_mask);
if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT")%n",
nd_target_s, nd_target_mask_s, &n) > 0 && n > 0) {
put_nd_key(n, nd_target_s, NULL, NULL, key);
- put_nd_key(n, nd_target_mask_s, NULL, NULL, mask);
+ put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
} else if (sscanf(s, "nd(target="IPV6_SCAN_FMT")%n",
nd_target_s, &n) > 0 && n > 0) {
put_nd_key(n, nd_target_s, NULL, NULL, key);
if (mask) {
- put_nd_key(n, nd_target_mask_s, NULL, NULL, mask);
+ put_nd_mask(n, nd_target_mask_s, NULL, NULL, mask);
}
} else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
ETH_ADDR_SCAN_ARGS(nd_sll),
ETH_ADDR_SCAN_ARGS(nd_sll_mask), &n) > 0 && n > 0) {
put_nd_key(n, nd_target_s, nd_sll, NULL, key);
- put_nd_key(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
+ put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
} else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT")%n",
nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll), &n) > 0
&& n > 0) {
put_nd_key(n, nd_target_s, nd_sll, NULL, key);
if (mask) {
- put_nd_key(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
+ put_nd_mask(n, nd_target_mask_s, nd_sll_mask, NULL, mask);
}
} else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
",tll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT")%n",
ETH_ADDR_SCAN_ARGS(nd_tll),
ETH_ADDR_SCAN_ARGS(nd_tll_mask), &n) > 0 && n > 0) {
put_nd_key(n, nd_target_s, NULL, nd_tll, key);
- put_nd_key(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
+ put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
} else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",tll="ETH_ADDR_SCAN_FMT")%n",
nd_target_s, ETH_ADDR_SCAN_ARGS(nd_tll), &n) > 0
&& n > 0) {
put_nd_key(n, nd_target_s, NULL, nd_tll, key);
if (mask) {
- put_nd_key(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
+ put_nd_mask(n, nd_target_mask_s, NULL, nd_tll_mask, mask);
}
} else if (mask && sscanf(s, "nd(target="IPV6_SCAN_FMT"/"IPV6_SCAN_FMT
",sll="ETH_ADDR_SCAN_FMT"/"ETH_ADDR_SCAN_FMT","
&n) > 0
&& n > 0) {
put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
- put_nd_key(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask);
+ put_nd_mask(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask);
} else if (sscanf(s, "nd(target="IPV6_SCAN_FMT",sll="ETH_ADDR_SCAN_FMT","
"tll="ETH_ADDR_SCAN_FMT")%n",
nd_target_s, ETH_ADDR_SCAN_ARGS(nd_sll),
&& n > 0) {
put_nd_key(n, nd_target_s, nd_sll, nd_tll, key);
if (mask) {
- put_nd_key(n, nd_target_mask_s, nd_sll_mask, nd_tll_mask, mask);
+ put_nd_mask(n, nd_target_mask_s,
+ nd_sll_mask, nd_tll_mask, mask);
}
}
: OVS_FRAG_TYPE_LATER);
}
-/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
- * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
- * number rather than a datapath port number). Instead, if 'odp_in_port'
- * is anything other than OVSP_NONE, it is included in 'buf' as the input
- * port.
- *
- * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
- * capable of being expanded to allow for that much space. */
-void
-odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
- uint32_t odp_in_port)
+static uint8_t
+ovs_to_odp_frag_mask(uint8_t nw_frag_mask)
{
+ uint8_t frag_mask = ~(OVS_FRAG_TYPE_FIRST | OVS_FRAG_TYPE_LATER);
+
+ frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_ANY) ? OVS_FRAG_TYPE_FIRST : 0;
+ frag_mask |= (nw_frag_mask & FLOW_NW_FRAG_LATER) ? OVS_FRAG_TYPE_LATER : 0;
+
+ return frag_mask;
+}
+
+static void
+odp_flow_key_from_flow__(struct ofpbuf *buf, const struct flow *data,
+ const struct flow *flow, odp_port_t odp_in_port)
+{
+ bool is_mask;
struct ovs_key_ethernet *eth_key;
size_t encap;
- if (flow->skb_priority) {
- nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, flow->skb_priority);
- }
+ /* We assume that if 'data' and 'flow' are not the same, we should
+ * treat 'data' as a mask. */
+ is_mask = (data != flow);
- if (flow->tunnel.ip_dst) {
- tun_key_to_attr(buf, &flow->tunnel);
- }
+ nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, data->skb_priority);
- if (flow->skb_mark) {
- nl_msg_put_u32(buf, OVS_KEY_ATTR_SKB_MARK, flow->skb_mark);
+ if (flow->tunnel.ip_dst || is_mask) {
+ tun_key_to_attr(buf, &data->tunnel);
}
- if (odp_in_port != OVSP_NONE) {
- nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
+ 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". */
+ if (is_mask || odp_in_port != ODPP_NONE) {
+ nl_msg_put_odp_port(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
}
eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
sizeof *eth_key);
- memcpy(eth_key->eth_src, flow->dl_src, ETH_ADDR_LEN);
- memcpy(eth_key->eth_dst, flow->dl_dst, ETH_ADDR_LEN);
+ memcpy(eth_key->eth_src, data->dl_src, ETH_ADDR_LEN);
+ memcpy(eth_key->eth_dst, data->dl_dst, ETH_ADDR_LEN);
if (flow->vlan_tci != htons(0) || flow->dl_type == htons(ETH_TYPE_VLAN)) {
- nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
- nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, flow->vlan_tci);
+ if (is_mask) {
+ nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
+ } else {
+ nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, htons(ETH_TYPE_VLAN));
+ }
+ nl_msg_put_be16(buf, OVS_KEY_ATTR_VLAN, data->vlan_tci);
encap = nl_msg_start_nested(buf, OVS_KEY_ATTR_ENCAP);
if (flow->vlan_tci == htons(0)) {
goto unencap;
}
if (ntohs(flow->dl_type) < ETH_TYPE_MIN) {
+ /* For backwards compatibility with kernels that don't support
+ * wildcarding, the following convention is used to encode the
+ * OVS_KEY_ATTR_ETHERTYPE for key and mask:
+ *
+ * key mask matches
+ * -------- -------- -------
+ * >0x5ff 0xffff Specified Ethernet II Ethertype.
+ * >0x5ff 0 Any Ethernet II or non-Ethernet II frame.
+ * <none> 0xffff Any non-Ethernet II frame (except valid
+ * 802.3 SNAP packet with valid eth_type).
+ */
+ if (is_mask) {
+ nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, OVS_BE16_MAX);
+ }
goto unencap;
}
- nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, flow->dl_type);
+ nl_msg_put_be16(buf, OVS_KEY_ATTR_ETHERTYPE, data->dl_type);
if (flow->dl_type == htons(ETH_TYPE_IP)) {
struct ovs_key_ipv4 *ipv4_key;
ipv4_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV4,
sizeof *ipv4_key);
- ipv4_key->ipv4_src = flow->nw_src;
- ipv4_key->ipv4_dst = flow->nw_dst;
- ipv4_key->ipv4_proto = flow->nw_proto;
- ipv4_key->ipv4_tos = flow->nw_tos;
- ipv4_key->ipv4_ttl = flow->nw_ttl;
- ipv4_key->ipv4_frag = ovs_to_odp_frag(flow->nw_frag);
+ ipv4_key->ipv4_src = data->nw_src;
+ ipv4_key->ipv4_dst = data->nw_dst;
+ ipv4_key->ipv4_proto = data->nw_proto;
+ ipv4_key->ipv4_tos = data->nw_tos;
+ ipv4_key->ipv4_ttl = data->nw_ttl;
+ ipv4_key->ipv4_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag)
+ : ovs_to_odp_frag(data->nw_frag);
} else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
struct ovs_key_ipv6 *ipv6_key;
ipv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_IPV6,
sizeof *ipv6_key);
- memcpy(ipv6_key->ipv6_src, &flow->ipv6_src, sizeof ipv6_key->ipv6_src);
- memcpy(ipv6_key->ipv6_dst, &flow->ipv6_dst, sizeof ipv6_key->ipv6_dst);
- ipv6_key->ipv6_label = flow->ipv6_label;
- ipv6_key->ipv6_proto = flow->nw_proto;
- ipv6_key->ipv6_tclass = flow->nw_tos;
- ipv6_key->ipv6_hlimit = flow->nw_ttl;
- ipv6_key->ipv6_frag = ovs_to_odp_frag(flow->nw_frag);
+ memcpy(ipv6_key->ipv6_src, &data->ipv6_src, sizeof ipv6_key->ipv6_src);
+ memcpy(ipv6_key->ipv6_dst, &data->ipv6_dst, sizeof ipv6_key->ipv6_dst);
+ ipv6_key->ipv6_label = data->ipv6_label;
+ ipv6_key->ipv6_proto = data->nw_proto;
+ ipv6_key->ipv6_tclass = data->nw_tos;
+ ipv6_key->ipv6_hlimit = data->nw_ttl;
+ ipv6_key->ipv6_frag = is_mask ? ovs_to_odp_frag_mask(data->nw_frag)
+ : ovs_to_odp_frag(data->nw_frag);
} else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
flow->dl_type == htons(ETH_TYPE_RARP)) {
struct ovs_key_arp *arp_key;
arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP,
sizeof *arp_key);
memset(arp_key, 0, sizeof *arp_key);
- arp_key->arp_sip = flow->nw_src;
- arp_key->arp_tip = flow->nw_dst;
- arp_key->arp_op = htons(flow->nw_proto);
- memcpy(arp_key->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
- memcpy(arp_key->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
- }
-
- if (flow->mpls_depth) {
+ arp_key->arp_sip = data->nw_src;
+ arp_key->arp_tip = data->nw_dst;
+ arp_key->arp_op = htons(data->nw_proto);
+ memcpy(arp_key->arp_sha, data->arp_sha, ETH_ADDR_LEN);
+ memcpy(arp_key->arp_tha, data->arp_tha, ETH_ADDR_LEN);
+ } else if (eth_type_mpls(flow->dl_type)) {
struct ovs_key_mpls *mpls_key;
mpls_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_MPLS,
sizeof *mpls_key);
- mpls_key->mpls_lse = flow->mpls_lse;
+ mpls_key->mpls_lse = data->mpls_lse;
}
if (is_ip_any(flow) && !(flow->nw_frag & FLOW_NW_FRAG_LATER)) {
tcp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_TCP,
sizeof *tcp_key);
- tcp_key->tcp_src = flow->tp_src;
- tcp_key->tcp_dst = flow->tp_dst;
+ tcp_key->tcp_src = data->tp_src;
+ tcp_key->tcp_dst = data->tp_dst;
} else if (flow->nw_proto == IPPROTO_UDP) {
struct ovs_key_udp *udp_key;
udp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_UDP,
sizeof *udp_key);
- udp_key->udp_src = flow->tp_src;
- udp_key->udp_dst = flow->tp_dst;
+ 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;
icmp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMP,
sizeof *icmp_key);
- icmp_key->icmp_type = ntohs(flow->tp_src);
- icmp_key->icmp_code = ntohs(flow->tp_dst);
+ icmp_key->icmp_type = ntohs(data->tp_src);
+ icmp_key->icmp_code = ntohs(data->tp_dst);
} else if (flow->dl_type == htons(ETH_TYPE_IPV6)
&& flow->nw_proto == IPPROTO_ICMPV6) {
struct ovs_key_icmpv6 *icmpv6_key;
icmpv6_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ICMPV6,
sizeof *icmpv6_key);
- icmpv6_key->icmpv6_type = ntohs(flow->tp_src);
- icmpv6_key->icmpv6_code = ntohs(flow->tp_dst);
+ icmpv6_key->icmpv6_type = ntohs(data->tp_src);
+ icmpv6_key->icmpv6_code = ntohs(data->tp_dst);
+
+ if (flow->tp_dst == htons(0) &&
+ (flow->tp_src == htons(ND_NEIGHBOR_SOLICIT) ||
+ flow->tp_src == htons(ND_NEIGHBOR_ADVERT)) &&
+ (!is_mask || (data->tp_src == htons(0xffff) &&
+ data->tp_dst == htons(0xffff)))) {
- if (icmpv6_key->icmpv6_type == ND_NEIGHBOR_SOLICIT
- || icmpv6_key->icmpv6_type == ND_NEIGHBOR_ADVERT) {
struct ovs_key_nd *nd_key;
nd_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ND,
sizeof *nd_key);
- memcpy(nd_key->nd_target, &flow->nd_target,
+ memcpy(nd_key->nd_target, &data->nd_target,
sizeof nd_key->nd_target);
- memcpy(nd_key->nd_sll, flow->arp_sha, ETH_ADDR_LEN);
- memcpy(nd_key->nd_tll, flow->arp_tha, ETH_ADDR_LEN);
+ memcpy(nd_key->nd_sll, data->arp_sha, ETH_ADDR_LEN);
+ memcpy(nd_key->nd_tll, data->arp_tha, ETH_ADDR_LEN);
}
}
}
}
}
+/* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
+ * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
+ * number rather than a datapath port number). Instead, if 'odp_in_port'
+ * is anything other than ODPP_NONE, it is included in 'buf' as the input
+ * port.
+ *
+ * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
+ * capable of being expanded to allow for that much space. */
+void
+odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
+ odp_port_t odp_in_port)
+{
+ odp_flow_key_from_flow__(buf, flow, flow, odp_in_port);
+}
+
+/* Appends a representation of 'mask' as OVS_KEY_ATTR_* attributes to
+ * 'buf'. 'flow' is used as a template to determine how to interpret
+ * 'mask'. For example, the 'dl_type' of 'mask' describes the mask, but
+ * it doesn't indicate whether the other fields should be interpreted as
+ * ARP, IPv4, IPv6, etc.
+ *
+ * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
+ * capable of being expanded to allow for that much space. */
+void
+odp_flow_key_from_mask(struct ofpbuf *buf, const struct flow *mask,
+ const struct flow *flow, uint32_t odp_in_port_mask)
+{
+ odp_flow_key_from_flow__(buf, mask, flow, u32_to_odp(odp_in_port_mask));
+}
+
uint32_t
odp_flow_key_hash(const struct nlattr *key, size_t key_len)
{
BUILD_ASSERT_DECL(!(NLA_ALIGNTO % sizeof(uint32_t)));
- return hash_words((const uint32_t *) key, key_len / sizeof(uint32_t), 0);
+ return hash_words(ALIGNED_CAST(const uint32_t *, key),
+ key_len / sizeof(uint32_t), 0);
}
static void
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]);
+ } 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);
+ }
+ 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_dst == htons(0) &&
+ (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) ||
+ flow->tp_dst != 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;
}
}
if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
- flow->in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]);
+ 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 {
- flow->in_port = OVSP_NONE;
+ } else if (!is_mask) {
+ flow->in_port.odp_port = ODPP_NONE;
}
/* Ethernet header. */
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
}
static void
-commit_vlan_action(const struct flow *flow, struct flow *base,
+commit_vlan_action(ovs_be16 vlan_tci, struct flow *base,
struct ofpbuf *odp_actions, struct flow_wildcards *wc)
{
- if (base->vlan_tci == flow->vlan_tci) {
+ if (base->vlan_tci == vlan_tci) {
return;
}
nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
}
- if (flow->vlan_tci & htons(VLAN_CFI)) {
+ if (vlan_tci & htons(VLAN_CFI)) {
struct ovs_action_push_vlan vlan;
vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
- vlan.vlan_tci = flow->vlan_tci;
+ vlan.vlan_tci = vlan_tci;
nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
&vlan, sizeof vlan);
}
- base->vlan_tci = flow->vlan_tci;
+ base->vlan_tci = vlan_tci;
}
static void
commit_mpls_action(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions, struct flow_wildcards *wc)
+ struct ofpbuf *odp_actions, struct flow_wildcards *wc,
+ int *mpls_depth_delta)
{
- if (flow->mpls_lse == base->mpls_lse &&
- flow->mpls_depth == base->mpls_depth) {
+ if (flow->mpls_lse == base->mpls_lse && !*mpls_depth_delta) {
return;
}
memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse);
- if (flow->mpls_depth < base->mpls_depth) {
- if (base->mpls_depth - flow->mpls_depth > 1) {
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
- VLOG_WARN_RL(&rl, "Multiple mpls_pop actions reduced to "
- " a single mpls_pop action");
- }
-
+ switch (*mpls_depth_delta) {
+ case -1:
nl_msg_put_be16(odp_actions, OVS_ACTION_ATTR_POP_MPLS, flow->dl_type);
- } else if (flow->mpls_depth > base->mpls_depth) {
+ break;
+ case 1: {
struct ovs_action_push_mpls *mpls;
- if (flow->mpls_depth - base->mpls_depth > 1) {
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(10, 10);
- VLOG_WARN_RL(&rl, "Multiple mpls_push actions reduced to "
- " a single mpls_push action");
- }
-
mpls = nl_msg_put_unspec_uninit(odp_actions, OVS_ACTION_ATTR_PUSH_MPLS,
sizeof *mpls);
memset(mpls, 0, sizeof *mpls);
mpls->mpls_ethertype = flow->dl_type;
mpls->mpls_lse = flow->mpls_lse;
- } else {
+ break;
+ }
+ case 0: {
struct ovs_key_mpls mpls_key;
mpls_key.mpls_lse = flow->mpls_lse;
commit_set_action(odp_actions, OVS_KEY_ATTR_MPLS,
&mpls_key, sizeof(mpls_key));
+ break;
+ }
+ default:
+ NOT_REACHED();
}
base->dl_type = flow->dl_type;
base->mpls_lse = flow->mpls_lse;
- base->mpls_depth = flow->mpls_depth;
+ *mpls_depth_delta = 0;
}
static void
&ipv6_key, sizeof(ipv6_key));
}
-static void
+static enum slow_path_reason
+commit_set_arp_action(const struct flow *flow, struct flow *base,
+ struct ofpbuf *odp_actions, struct flow_wildcards *wc)
+{
+ struct ovs_key_arp arp_key;
+
+ if (base->nw_src == flow->nw_src &&
+ base->nw_dst == flow->nw_dst &&
+ base->nw_proto == flow->nw_proto &&
+ eth_addr_equals(base->arp_sha, flow->arp_sha) &&
+ eth_addr_equals(base->arp_tha, flow->arp_tha)) {
+ return 0;
+ }
+
+ memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
+ memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
+ memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
+ memset(&wc->masks.arp_sha, 0xff, sizeof wc->masks.arp_sha);
+ memset(&wc->masks.arp_tha, 0xff, sizeof wc->masks.arp_tha);
+
+ base->nw_src = flow->nw_src;
+ base->nw_dst = flow->nw_dst;
+ base->nw_proto = flow->nw_proto;
+ memcpy(base->arp_sha, flow->arp_sha, ETH_ADDR_LEN);
+ memcpy(base->arp_tha, flow->arp_tha, ETH_ADDR_LEN);
+
+ arp_key.arp_sip = base->nw_src;
+ arp_key.arp_tip = base->nw_dst;
+ arp_key.arp_op = htons(base->nw_proto);
+ memcpy(arp_key.arp_sha, flow->arp_sha, ETH_ADDR_LEN);
+ memcpy(arp_key.arp_tha, flow->arp_tha, ETH_ADDR_LEN);
+
+ commit_set_action(odp_actions, OVS_KEY_ATTR_ARP, &arp_key, sizeof arp_key);
+
+ return SLOW_ACTION;
+}
+
+static enum slow_path_reason
commit_set_nw_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions, struct flow_wildcards *wc)
{
- /* Check if flow really have an IP header. */
+ /* Check if 'flow' really has an L3 header. */
if (!flow->nw_proto) {
- return;
+ return 0;
}
- if (base->dl_type == htons(ETH_TYPE_IP)) {
+ switch (ntohs(base->dl_type)) {
+ case ETH_TYPE_IP:
commit_set_ipv4_action(flow, base, odp_actions, wc);
- } else if (base->dl_type == htons(ETH_TYPE_IPV6)) {
+ break;
+
+ case ETH_TYPE_IPV6:
commit_set_ipv6_action(flow, base, odp_actions, wc);
+ break;
+
+ case ETH_TYPE_ARP:
+ return commit_set_arp_action(flow, base, odp_actions, wc);
}
+
+ return 0;
}
static void
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
* key from 'base' into 'flow', and then changes 'base' the same way. Does not
* commit set_tunnel actions. Users should call commit_odp_tunnel_action()
* in addition to this function if needed. Sets fields in 'wc' that are
- * used as part of the action. */
-void
+ * used as part of the action.
+ *
+ * Returns a reason to force processing the flow's packets into the userspace
+ * slow path, if there is one, otherwise 0. */
+enum slow_path_reason
commit_odp_actions(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions, struct flow_wildcards *wc)
+ struct ofpbuf *odp_actions, struct flow_wildcards *wc,
+ int *mpls_depth_delta)
{
+ enum slow_path_reason slow;
+
commit_set_ether_addr_action(flow, base, odp_actions, wc);
- commit_vlan_action(flow, base, odp_actions, wc);
- commit_set_nw_action(flow, base, odp_actions, wc);
+ commit_vlan_action(flow->vlan_tci, base, odp_actions, wc);
+ slow = commit_set_nw_action(flow, base, odp_actions, wc);
commit_set_port_action(flow, base, odp_actions, wc);
/* Committing MPLS actions should occur after committing nw and port
* actions. This is because committing MPLS actions may alter a packet so
* that it is no longer IP and thus nw and port actions are no longer valid.
*/
- commit_mpls_action(flow, base, odp_actions, wc);
+ commit_mpls_action(flow, base, odp_actions, wc, mpls_depth_delta);
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);
+
+ return slow;
}