#include <linux/udp.h>
#include <linux/icmp.h>
#include <linux/icmpv6.h>
+#include <linux/rculist.h>
#include <net/inet_ecn.h>
#include <net/ip.h>
#include <net/ipv6.h>
nexthdr = nh->nexthdr;
payload_ofs = (u8 *)(nh + 1) - skb->data;
- key->ip.nw_proto = NEXTHDR_NONE;
- key->ip.nw_tos = ipv6_get_dsfield(nh) & ~INET_ECN_MASK;
+ key->ip.proto = NEXTHDR_NONE;
+ key->ip.tos = ipv6_get_dsfield(nh) & ~INET_ECN_MASK;
ipv6_addr_copy(&key->ipv6.addr.src, &nh->saddr);
ipv6_addr_copy(&key->ipv6.addr.dst, &nh->daddr);
nh_len = payload_ofs - nh_ofs;
skb_set_transport_header(skb, nh_ofs + nh_len);
- key->ip.nw_proto = nexthdr;
+ key->ip.proto = nexthdr;
return nh_len;
}
u8 tcp_flags = 0;
if (flow->key.eth.type == htons(ETH_P_IP) &&
- flow->key.ip.nw_proto == IPPROTO_TCP) {
+ flow->key.ip.proto == IPPROTO_TCP) {
u8 *tcp = (u8 *)tcp_hdr(skb);
tcp_flags = *(tcp + TCP_FLAGS_OFFSET) & TCP_FLAG_MASK;
}
return flow;
}
-void flow_free_tbl(struct tbl_node *node)
+static struct hlist_head __rcu *find_bucket(struct flow_table * table, u32 hash)
{
- struct sw_flow *flow = flow_cast(node);
+ return flex_array_get(table->buckets,
+ (hash & (table->n_buckets - 1)));
+}
+
+static struct flex_array __rcu *alloc_buckets(unsigned int n_buckets)
+{
+ struct flex_array __rcu * buckets;
+ int i, err;
+
+ buckets = flex_array_alloc(sizeof(struct hlist_head *),
+ n_buckets, GFP_KERNEL);
+ if (!buckets)
+ return NULL;
+
+ err = flex_array_prealloc(buckets, 0, n_buckets, GFP_KERNEL);
+ if (err) {
+ flex_array_free(buckets);
+ return NULL;
+ }
+
+ for (i = 0; i < n_buckets; i++)
+ INIT_HLIST_HEAD((struct hlist_head *)
+ flex_array_get(buckets, i));
+ return buckets;
+}
+
+static void free_buckets(struct flex_array * buckets)
+{
+ flex_array_free(buckets);
+}
+
+struct flow_table *flow_tbl_alloc(int new_size)
+{
+ struct flow_table *table = kmalloc(sizeof(*table), GFP_KERNEL);
+
+ if (!table)
+ return NULL;
+
+ table->buckets = alloc_buckets(new_size);
+
+ if (!table->buckets) {
+ kfree(table);
+ return NULL;
+ }
+ table->n_buckets = new_size;
+ table->count = 0;
+
+ return table;
+}
+
+static void flow_free(struct sw_flow *flow)
+{
flow->dead = true;
flow_put(flow);
}
+void flow_tbl_destroy(struct flow_table *table)
+{
+ int i;
+
+ if (!table)
+ return;
+
+ for (i = 0; i < table->n_buckets; i++) {
+ struct sw_flow *flow;
+ struct hlist_head *head = flex_array_get(table->buckets, i);
+ struct hlist_node *node, *n;
+
+ hlist_for_each_entry_safe(flow, node, n, head, hash_node) {
+ hlist_del_init_rcu(&flow->hash_node);
+ flow_free(flow);
+ }
+ }
+
+ free_buckets(table->buckets);
+ kfree(table);
+}
+
+static void flow_tbl_destroy_rcu_cb(struct rcu_head *rcu)
+{
+ struct flow_table *table = container_of(rcu, struct flow_table, rcu);
+
+ flow_tbl_destroy(table);
+}
+
+void flow_tbl_deferred_destroy(struct flow_table *table)
+{
+ if (!table)
+ return;
+
+ call_rcu(&table->rcu, flow_tbl_destroy_rcu_cb);
+}
+
+struct sw_flow *flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *last)
+{
+ struct sw_flow *flow;
+ struct hlist_head *head;
+ struct hlist_node *n;
+ int i;
+
+ while (*bucket < table->n_buckets) {
+ i = 0;
+ head = flex_array_get(table->buckets, *bucket);
+ hlist_for_each_entry_rcu(flow, n, head, hash_node) {
+ if (i < *last) {
+ i++;
+ continue;
+ }
+ *last = i + 1;
+ return flow;
+ }
+ (*bucket)++;
+ *last = 0;
+ }
+
+ return NULL;
+}
+
+struct flow_table *flow_tbl_expand(struct flow_table *table)
+{
+ struct flow_table *new_table;
+ int n_buckets = table->n_buckets * 2;
+ int i;
+
+ new_table = flow_tbl_alloc(n_buckets);
+ if (!new_table)
+ return ERR_PTR(-ENOMEM);
+
+ for (i = 0; i < table->n_buckets; i++) {
+ struct sw_flow *flow;
+ struct hlist_head *head;
+ struct hlist_node *n, *pos;
+
+ head = flex_array_get(table->buckets, i);
+
+ hlist_for_each_entry_safe(flow, n, pos, head, hash_node) {
+ hlist_del_init_rcu(&flow->hash_node);
+ flow_tbl_insert(new_table, flow);
+ }
+ }
+
+ return new_table;
+}
+
/* RCU callback used by flow_deferred_free. */
static void rcu_free_flow_callback(struct rcu_head *rcu)
{
nh = ip_hdr(skb);
key->ipv4.addr.src = nh->saddr;
key->ipv4.addr.dst = nh->daddr;
- key->ip.nw_tos = nh->tos & ~INET_ECN_MASK;
- key->ip.nw_proto = nh->protocol;
+ key->ip.tos = nh->tos & ~INET_ECN_MASK;
+ key->ip.proto = nh->protocol;
/* Transport layer. */
- if (!(nh->frag_off & htons(IP_MF | IP_OFFSET)) &&
- !(skb_shinfo(skb)->gso_type & SKB_GSO_UDP)) {
- if (key->ip.nw_proto == IPPROTO_TCP) {
- key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
- if (tcphdr_ok(skb)) {
- struct tcphdr *tcp = tcp_hdr(skb);
- key->ipv4.tp.src = tcp->source;
- key->ipv4.tp.dst = tcp->dest;
- }
- } else if (key->ip.nw_proto == IPPROTO_UDP) {
- key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
- if (udphdr_ok(skb)) {
- struct udphdr *udp = udp_hdr(skb);
- key->ipv4.tp.src = udp->source;
- key->ipv4.tp.dst = udp->dest;
- }
- } else if (key->ip.nw_proto == IPPROTO_ICMP) {
- key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
- if (icmphdr_ok(skb)) {
- struct icmphdr *icmp = icmp_hdr(skb);
- /* The ICMP type and code fields use the 16-bit
- * transport port fields, so we need to store them
- * in 16-bit network byte order. */
- key->ipv4.tp.src = htons(icmp->type);
- key->ipv4.tp.dst = htons(icmp->code);
- }
- }
- } else
+ if ((nh->frag_off & htons(IP_MF | IP_OFFSET)) ||
+ (skb_shinfo(skb)->gso_type & SKB_GSO_UDP))
*is_frag = true;
+ if (key->ip.proto == IPPROTO_TCP) {
+ key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
+ if (!*is_frag && tcphdr_ok(skb)) {
+ struct tcphdr *tcp = tcp_hdr(skb);
+ key->ipv4.tp.src = tcp->source;
+ key->ipv4.tp.dst = tcp->dest;
+ }
+ } else if (key->ip.proto == IPPROTO_UDP) {
+ key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
+ if (!*is_frag && udphdr_ok(skb)) {
+ struct udphdr *udp = udp_hdr(skb);
+ key->ipv4.tp.src = udp->source;
+ key->ipv4.tp.dst = udp->dest;
+ }
+ } else if (key->ip.proto == IPPROTO_ICMP) {
+ key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
+ if (!*is_frag && icmphdr_ok(skb)) {
+ struct icmphdr *icmp = icmp_hdr(skb);
+ /* The ICMP type and code fields use the 16-bit
+ * transport port fields, so we need to store them
+ * in 16-bit network byte order. */
+ key->ipv4.tp.src = htons(icmp->type);
+ key->ipv4.tp.dst = htons(icmp->code);
+ }
+ }
+
} else if (key->eth.type == htons(ETH_P_ARP) && arphdr_ok(skb)) {
struct arp_eth_header *arp;
/* We only match on the lower 8 bits of the opcode. */
if (ntohs(arp->ar_op) <= 0xff)
- key->ip.nw_proto = ntohs(arp->ar_op);
+ key->ip.proto = ntohs(arp->ar_op);
- if (key->ip.nw_proto == ARPOP_REQUEST
- || key->ip.nw_proto == ARPOP_REPLY) {
+ if (key->ip.proto == ARPOP_REQUEST
+ || key->ip.proto == ARPOP_REPLY) {
memcpy(&key->ipv4.addr.src, arp->ar_sip, sizeof(key->ipv4.addr.src));
memcpy(&key->ipv4.addr.dst, arp->ar_tip, sizeof(key->ipv4.addr.dst));
memcpy(key->ipv4.arp.sha, arp->ar_sha, ETH_ALEN);
}
/* Transport layer. */
- if (key->ip.nw_proto == NEXTHDR_TCP) {
+ if (key->ip.proto == NEXTHDR_TCP) {
key_len = SW_FLOW_KEY_OFFSET(ipv6.tp);
if (tcphdr_ok(skb)) {
struct tcphdr *tcp = tcp_hdr(skb);
key->ipv6.tp.src = tcp->source;
key->ipv6.tp.dst = tcp->dest;
}
- } else if (key->ip.nw_proto == NEXTHDR_UDP) {
+ } else if (key->ip.proto == NEXTHDR_UDP) {
key_len = SW_FLOW_KEY_OFFSET(ipv6.tp);
if (udphdr_ok(skb)) {
struct udphdr *udp = udp_hdr(skb);
key->ipv6.tp.src = udp->source;
key->ipv6.tp.dst = udp->dest;
}
- } else if (key->ip.nw_proto == NEXTHDR_ICMP) {
+ } else if (key->ip.proto == NEXTHDR_ICMP) {
key_len = SW_FLOW_KEY_OFFSET(ipv6.tp);
if (icmp6hdr_ok(skb)) {
error = parse_icmpv6(skb, key, &key_len, nh_len);
return jhash2((u32*)key, DIV_ROUND_UP(key_len, sizeof(u32)), hash_seed);
}
-int flow_cmp(const struct tbl_node *node, void *key2_, int len)
+struct sw_flow * flow_tbl_lookup(struct flow_table *table,
+ struct sw_flow_key *key, int key_len)
+{
+ struct sw_flow *flow;
+ struct hlist_node *n;
+ struct hlist_head *head;
+ u32 hash;
+
+ hash = flow_hash(key, key_len);
+
+ head = find_bucket(table, hash);
+ hlist_for_each_entry_rcu(flow, n, head, hash_node) {
+
+ if (flow->hash == hash &&
+ !memcmp(&flow->key, key, key_len)) {
+ return flow;
+ }
+ }
+ return NULL;
+}
+
+void flow_tbl_insert(struct flow_table *table, struct sw_flow *flow)
{
- const struct sw_flow_key *key1 = &flow_cast(node)->key;
- const struct sw_flow_key *key2 = key2_;
+ struct hlist_head *head;
+
+ head = find_bucket(table, flow->hash);
+ hlist_add_head_rcu(&flow->hash_node, head);
+ table->count++;
+}
- return !memcmp(key1, key2, len);
+void flow_tbl_remove(struct flow_table *table, struct sw_flow *flow)
+{
+ if (!hlist_unhashed(&flow->hash_node)) {
+ hlist_del_init_rcu(&flow->hash_node);
+ table->count--;
+ BUG_ON(table->count < 0);
+ }
}
-/* The size of the argument for each %ODP_KEY_ATTR_* Netlink attribute. */
-static const u32 key_lens[ODP_KEY_ATTR_MAX + 1] = {
- [ODP_KEY_ATTR_TUN_ID] = 8,
- [ODP_KEY_ATTR_IN_PORT] = 4,
- [ODP_KEY_ATTR_ETHERNET] = sizeof(struct odp_key_ethernet),
- [ODP_KEY_ATTR_8021Q] = sizeof(struct odp_key_8021q),
- [ODP_KEY_ATTR_ETHERTYPE] = 2,
- [ODP_KEY_ATTR_IPV4] = sizeof(struct odp_key_ipv4),
- [ODP_KEY_ATTR_IPV6] = sizeof(struct odp_key_ipv6),
- [ODP_KEY_ATTR_TCP] = sizeof(struct odp_key_tcp),
- [ODP_KEY_ATTR_UDP] = sizeof(struct odp_key_udp),
- [ODP_KEY_ATTR_ICMP] = sizeof(struct odp_key_icmp),
- [ODP_KEY_ATTR_ICMPV6] = sizeof(struct odp_key_icmpv6),
- [ODP_KEY_ATTR_ARP] = sizeof(struct odp_key_arp),
- [ODP_KEY_ATTR_ND] = sizeof(struct odp_key_nd),
+/* The size of the argument for each %OVS_KEY_ATTR_* Netlink attribute. */
+static const u32 key_lens[OVS_KEY_ATTR_MAX + 1] = {
+ [OVS_KEY_ATTR_TUN_ID] = 8,
+ [OVS_KEY_ATTR_IN_PORT] = 4,
+ [OVS_KEY_ATTR_ETHERNET] = sizeof(struct ovs_key_ethernet),
+ [OVS_KEY_ATTR_8021Q] = sizeof(struct ovs_key_8021q),
+ [OVS_KEY_ATTR_ETHERTYPE] = 2,
+ [OVS_KEY_ATTR_IPV4] = sizeof(struct ovs_key_ipv4),
+ [OVS_KEY_ATTR_IPV6] = sizeof(struct ovs_key_ipv6),
+ [OVS_KEY_ATTR_TCP] = sizeof(struct ovs_key_tcp),
+ [OVS_KEY_ATTR_UDP] = sizeof(struct ovs_key_udp),
+ [OVS_KEY_ATTR_ICMP] = sizeof(struct ovs_key_icmp),
+ [OVS_KEY_ATTR_ICMPV6] = sizeof(struct ovs_key_icmpv6),
+ [OVS_KEY_ATTR_ARP] = sizeof(struct ovs_key_arp),
+ [OVS_KEY_ATTR_ND] = sizeof(struct ovs_key_nd),
};
/**
* flow_from_nlattrs - parses Netlink attributes into a flow key.
* @swkey: receives the extracted flow key.
* @key_lenp: number of bytes used in @swkey.
- * @attr: Netlink attribute holding nested %ODP_KEY_ATTR_* Netlink attribute
+ * @attr: Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink attribute
* sequence.
*
* This state machine accepts the following forms, with [] for optional
* elements and | for alternatives:
*
- * [tun_id] in_port ethernet [8021q] [ethertype \
+ * [tun_id] [in_port] ethernet [8021q] [ethertype \
* [IPv4 [TCP|UDP|ICMP] | IPv6 [TCP|UDP|ICMPv6 [ND]] | ARP]]
*/
int flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
int key_len;
memset(swkey, 0, sizeof(*swkey));
+ swkey->eth.in_port = USHRT_MAX;
swkey->eth.type = htons(ETH_P_802_2);
key_len = SW_FLOW_KEY_OFFSET(eth);
- prev_type = ODP_KEY_ATTR_UNSPEC;
+ prev_type = OVS_KEY_ATTR_UNSPEC;
nla_for_each_nested(nla, attr, rem) {
- const struct odp_key_ethernet *eth_key;
- const struct odp_key_8021q *q_key;
- const struct odp_key_ipv4 *ipv4_key;
- const struct odp_key_ipv6 *ipv6_key;
- const struct odp_key_tcp *tcp_key;
- const struct odp_key_udp *udp_key;
- const struct odp_key_icmp *icmp_key;
- const struct odp_key_icmpv6 *icmpv6_key;
- const struct odp_key_arp *arp_key;
- const struct odp_key_nd *nd_key;
+ const struct ovs_key_ethernet *eth_key;
+ const struct ovs_key_8021q *q_key;
+ const struct ovs_key_ipv4 *ipv4_key;
+ const struct ovs_key_ipv6 *ipv6_key;
+ const struct ovs_key_tcp *tcp_key;
+ const struct ovs_key_udp *udp_key;
+ const struct ovs_key_icmp *icmp_key;
+ const struct ovs_key_icmpv6 *icmpv6_key;
+ const struct ovs_key_arp *arp_key;
+ const struct ovs_key_nd *nd_key;
int type = nla_type(nla);
- if (type > ODP_KEY_ATTR_MAX || nla_len(nla) != key_lens[type])
+ if (type > OVS_KEY_ATTR_MAX || nla_len(nla) != key_lens[type])
goto invalid;
#define TRANSITION(PREV_TYPE, TYPE) (((PREV_TYPE) << 16) | (TYPE))
switch (TRANSITION(prev_type, type)) {
- case TRANSITION(ODP_KEY_ATTR_UNSPEC, ODP_KEY_ATTR_TUN_ID):
+ case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_TUN_ID):
swkey->eth.tun_id = nla_get_be64(nla);
break;
- case TRANSITION(ODP_KEY_ATTR_UNSPEC, ODP_KEY_ATTR_IN_PORT):
- case TRANSITION(ODP_KEY_ATTR_TUN_ID, ODP_KEY_ATTR_IN_PORT):
+ case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_IN_PORT):
+ case TRANSITION(OVS_KEY_ATTR_TUN_ID, OVS_KEY_ATTR_IN_PORT):
if (nla_get_u32(nla) >= DP_MAX_PORTS)
goto invalid;
swkey->eth.in_port = nla_get_u32(nla);
break;
- case TRANSITION(ODP_KEY_ATTR_IN_PORT, ODP_KEY_ATTR_ETHERNET):
+ case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_ETHERNET):
+ case TRANSITION(OVS_KEY_ATTR_TUN_ID, OVS_KEY_ATTR_ETHERNET):
+ case TRANSITION(OVS_KEY_ATTR_IN_PORT, OVS_KEY_ATTR_ETHERNET):
eth_key = nla_data(nla);
memcpy(swkey->eth.src, eth_key->eth_src, ETH_ALEN);
memcpy(swkey->eth.dst, eth_key->eth_dst, ETH_ALEN);
break;
- case TRANSITION(ODP_KEY_ATTR_ETHERNET, ODP_KEY_ATTR_8021Q):
+ case TRANSITION(OVS_KEY_ATTR_ETHERNET, OVS_KEY_ATTR_8021Q):
q_key = nla_data(nla);
/* Only standard 0x8100 VLANs currently supported. */
if (q_key->q_tpid != htons(ETH_P_8021Q))
swkey->eth.tci = q_key->q_tci | htons(VLAN_TAG_PRESENT);
break;
- case TRANSITION(ODP_KEY_ATTR_8021Q, ODP_KEY_ATTR_ETHERTYPE):
- case TRANSITION(ODP_KEY_ATTR_ETHERNET, ODP_KEY_ATTR_ETHERTYPE):
+ case TRANSITION(OVS_KEY_ATTR_8021Q, OVS_KEY_ATTR_ETHERTYPE):
+ case TRANSITION(OVS_KEY_ATTR_ETHERNET, OVS_KEY_ATTR_ETHERTYPE):
swkey->eth.type = nla_get_be16(nla);
if (ntohs(swkey->eth.type) < 1536)
goto invalid;
break;
- case TRANSITION(ODP_KEY_ATTR_ETHERTYPE, ODP_KEY_ATTR_IPV4):
+ case TRANSITION(OVS_KEY_ATTR_ETHERTYPE, OVS_KEY_ATTR_IPV4):
key_len = SW_FLOW_KEY_OFFSET(ipv4.addr);
if (swkey->eth.type != htons(ETH_P_IP))
goto invalid;
ipv4_key = nla_data(nla);
- swkey->ip.nw_proto = ipv4_key->ipv4_proto;
- swkey->ip.nw_tos = ipv4_key->ipv4_tos;
+ swkey->ip.proto = ipv4_key->ipv4_proto;
+ swkey->ip.tos = ipv4_key->ipv4_tos;
swkey->ipv4.addr.src = ipv4_key->ipv4_src;
swkey->ipv4.addr.dst = ipv4_key->ipv4_dst;
- if (swkey->ip.nw_tos & INET_ECN_MASK)
+ if (swkey->ip.tos & INET_ECN_MASK)
goto invalid;
break;
- case TRANSITION(ODP_KEY_ATTR_ETHERTYPE, ODP_KEY_ATTR_IPV6):
+ case TRANSITION(OVS_KEY_ATTR_ETHERTYPE, OVS_KEY_ATTR_IPV6):
key_len = SW_FLOW_KEY_OFFSET(ipv6.addr);
if (swkey->eth.type != htons(ETH_P_IPV6))
goto invalid;
ipv6_key = nla_data(nla);
- swkey->ip.nw_proto = ipv6_key->ipv6_proto;
- swkey->ip.nw_tos = ipv6_key->ipv6_tos;
+ swkey->ip.proto = ipv6_key->ipv6_proto;
+ swkey->ip.tos = ipv6_key->ipv6_tos;
memcpy(&swkey->ipv6.addr.src, ipv6_key->ipv6_src,
sizeof(swkey->ipv6.addr.src));
memcpy(&swkey->ipv6.addr.dst, ipv6_key->ipv6_dst,
sizeof(swkey->ipv6.addr.dst));
- if (swkey->ip.nw_tos & INET_ECN_MASK)
+ if (swkey->ip.tos & INET_ECN_MASK)
goto invalid;
break;
- case TRANSITION(ODP_KEY_ATTR_IPV4, ODP_KEY_ATTR_TCP):
+ case TRANSITION(OVS_KEY_ATTR_IPV4, OVS_KEY_ATTR_TCP):
key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
- if (swkey->ip.nw_proto != IPPROTO_TCP)
+ if (swkey->ip.proto != IPPROTO_TCP)
goto invalid;
tcp_key = nla_data(nla);
swkey->ipv4.tp.src = tcp_key->tcp_src;
swkey->ipv4.tp.dst = tcp_key->tcp_dst;
break;
- case TRANSITION(ODP_KEY_ATTR_IPV6, ODP_KEY_ATTR_TCP):
+ case TRANSITION(OVS_KEY_ATTR_IPV6, OVS_KEY_ATTR_TCP):
key_len = SW_FLOW_KEY_OFFSET(ipv6.tp);
- if (swkey->ip.nw_proto != IPPROTO_TCP)
+ if (swkey->ip.proto != IPPROTO_TCP)
goto invalid;
tcp_key = nla_data(nla);
swkey->ipv6.tp.src = tcp_key->tcp_src;
swkey->ipv6.tp.dst = tcp_key->tcp_dst;
break;
- case TRANSITION(ODP_KEY_ATTR_IPV4, ODP_KEY_ATTR_UDP):
+ case TRANSITION(OVS_KEY_ATTR_IPV4, OVS_KEY_ATTR_UDP):
key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
- if (swkey->ip.nw_proto != IPPROTO_UDP)
+ if (swkey->ip.proto != IPPROTO_UDP)
goto invalid;
udp_key = nla_data(nla);
swkey->ipv4.tp.src = udp_key->udp_src;
swkey->ipv4.tp.dst = udp_key->udp_dst;
break;
- case TRANSITION(ODP_KEY_ATTR_IPV6, ODP_KEY_ATTR_UDP):
+ case TRANSITION(OVS_KEY_ATTR_IPV6, OVS_KEY_ATTR_UDP):
key_len = SW_FLOW_KEY_OFFSET(ipv6.tp);
- if (swkey->ip.nw_proto != IPPROTO_UDP)
+ if (swkey->ip.proto != IPPROTO_UDP)
goto invalid;
udp_key = nla_data(nla);
swkey->ipv6.tp.src = udp_key->udp_src;
swkey->ipv6.tp.dst = udp_key->udp_dst;
break;
- case TRANSITION(ODP_KEY_ATTR_IPV4, ODP_KEY_ATTR_ICMP):
+ case TRANSITION(OVS_KEY_ATTR_IPV4, OVS_KEY_ATTR_ICMP):
key_len = SW_FLOW_KEY_OFFSET(ipv4.tp);
- if (swkey->ip.nw_proto != IPPROTO_ICMP)
+ if (swkey->ip.proto != IPPROTO_ICMP)
goto invalid;
icmp_key = nla_data(nla);
swkey->ipv4.tp.src = htons(icmp_key->icmp_type);
swkey->ipv4.tp.dst = htons(icmp_key->icmp_code);
break;
- case TRANSITION(ODP_KEY_ATTR_IPV6, ODP_KEY_ATTR_ICMPV6):
+ case TRANSITION(OVS_KEY_ATTR_IPV6, OVS_KEY_ATTR_ICMPV6):
key_len = SW_FLOW_KEY_OFFSET(ipv6.tp);
- if (swkey->ip.nw_proto != IPPROTO_ICMPV6)
+ if (swkey->ip.proto != IPPROTO_ICMPV6)
goto invalid;
icmpv6_key = nla_data(nla);
swkey->ipv6.tp.src = htons(icmpv6_key->icmpv6_type);
swkey->ipv6.tp.dst = htons(icmpv6_key->icmpv6_code);
break;
- case TRANSITION(ODP_KEY_ATTR_ETHERTYPE, ODP_KEY_ATTR_ARP):
+ case TRANSITION(OVS_KEY_ATTR_ETHERTYPE, OVS_KEY_ATTR_ARP):
key_len = SW_FLOW_KEY_OFFSET(ipv4.arp);
if (swkey->eth.type != htons(ETH_P_ARP))
goto invalid;
swkey->ipv4.addr.dst = arp_key->arp_tip;
if (arp_key->arp_op & htons(0xff00))
goto invalid;
- swkey->ip.nw_proto = ntohs(arp_key->arp_op);
+ swkey->ip.proto = ntohs(arp_key->arp_op);
memcpy(swkey->ipv4.arp.sha, arp_key->arp_sha, ETH_ALEN);
memcpy(swkey->ipv4.arp.tha, arp_key->arp_tha, ETH_ALEN);
break;
- case TRANSITION(ODP_KEY_ATTR_ICMPV6, ODP_KEY_ATTR_ND):
+ case TRANSITION(OVS_KEY_ATTR_ICMPV6, OVS_KEY_ATTR_ND):
key_len = SW_FLOW_KEY_OFFSET(ipv6.nd);
if (swkey->ipv6.tp.src != htons(NDISC_NEIGHBOUR_SOLICITATION)
&& swkey->ipv6.tp.src != htons(NDISC_NEIGHBOUR_ADVERTISEMENT))
goto invalid;
switch (prev_type) {
- case ODP_KEY_ATTR_UNSPEC:
+ case OVS_KEY_ATTR_UNSPEC:
goto invalid;
- case ODP_KEY_ATTR_TUN_ID:
- case ODP_KEY_ATTR_IN_PORT:
+ case OVS_KEY_ATTR_TUN_ID:
+ case OVS_KEY_ATTR_IN_PORT:
goto invalid;
- case ODP_KEY_ATTR_ETHERNET:
- case ODP_KEY_ATTR_8021Q:
+ case OVS_KEY_ATTR_ETHERNET:
+ case OVS_KEY_ATTR_8021Q:
goto ok;
- case ODP_KEY_ATTR_ETHERTYPE:
+ case OVS_KEY_ATTR_ETHERTYPE:
if (swkey->eth.type == htons(ETH_P_IP) ||
swkey->eth.type == htons(ETH_P_ARP))
goto invalid;
goto ok;
- case ODP_KEY_ATTR_IPV4:
- if (swkey->ip.nw_proto == IPPROTO_TCP ||
- swkey->ip.nw_proto == IPPROTO_UDP ||
- swkey->ip.nw_proto == IPPROTO_ICMP)
+ case OVS_KEY_ATTR_IPV4:
+ if (swkey->ip.proto == IPPROTO_TCP ||
+ swkey->ip.proto == IPPROTO_UDP ||
+ swkey->ip.proto == IPPROTO_ICMP)
goto invalid;
goto ok;
- case ODP_KEY_ATTR_IPV6:
- if (swkey->ip.nw_proto == IPPROTO_TCP ||
- swkey->ip.nw_proto == IPPROTO_UDP ||
- swkey->ip.nw_proto == IPPROTO_ICMPV6)
+ case OVS_KEY_ATTR_IPV6:
+ if (swkey->ip.proto == IPPROTO_TCP ||
+ swkey->ip.proto == IPPROTO_UDP ||
+ swkey->ip.proto == IPPROTO_ICMPV6)
goto invalid;
goto ok;
- case ODP_KEY_ATTR_ICMPV6:
+ case OVS_KEY_ATTR_ICMPV6:
if (swkey->ipv6.tp.src == htons(NDISC_NEIGHBOUR_SOLICITATION) ||
swkey->ipv6.tp.src == htons(NDISC_NEIGHBOUR_ADVERTISEMENT))
goto invalid;
goto ok;
- case ODP_KEY_ATTR_TCP:
- case ODP_KEY_ATTR_UDP:
- case ODP_KEY_ATTR_ICMP:
- case ODP_KEY_ATTR_ARP:
- case ODP_KEY_ATTR_ND:
+ case OVS_KEY_ATTR_TCP:
+ case OVS_KEY_ATTR_UDP:
+ case OVS_KEY_ATTR_ICMP:
+ case OVS_KEY_ATTR_ARP:
+ case OVS_KEY_ATTR_ND:
goto ok;
default:
* flow_metadata_from_nlattrs - parses Netlink attributes into a flow key.
* @in_port: receives the extracted input port.
* @tun_id: receives the extracted tunnel ID.
- * @key: Netlink attribute holding nested %ODP_KEY_ATTR_* Netlink attribute
+ * @key: Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink attribute
* sequence.
*
* This parses a series of Netlink attributes that form a flow key, which must
u16 prev_type;
int rem;
+ *in_port = USHRT_MAX;
*tun_id = 0;
- prev_type = ODP_KEY_ATTR_UNSPEC;
+ prev_type = OVS_KEY_ATTR_UNSPEC;
nla_for_each_nested(nla, attr, rem) {
int type = nla_type(nla);
- if (type > ODP_KEY_ATTR_MAX || nla_len(nla) != key_lens[type])
+ if (type > OVS_KEY_ATTR_MAX || nla_len(nla) != key_lens[type])
return -EINVAL;
switch (TRANSITION(prev_type, type)) {
- case TRANSITION(ODP_KEY_ATTR_UNSPEC, ODP_KEY_ATTR_TUN_ID):
+ case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_TUN_ID):
*tun_id = nla_get_be64(nla);
break;
- case TRANSITION(ODP_KEY_ATTR_UNSPEC, ODP_KEY_ATTR_IN_PORT):
- case TRANSITION(ODP_KEY_ATTR_TUN_ID, ODP_KEY_ATTR_IN_PORT):
+ case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_IN_PORT):
+ case TRANSITION(OVS_KEY_ATTR_TUN_ID, OVS_KEY_ATTR_IN_PORT):
if (nla_get_u32(nla) >= DP_MAX_PORTS)
return -EINVAL;
*in_port = nla_get_u32(nla);
break;
default:
- goto done;
+ return 0;
}
prev_type = type;
}
if (rem)
return -EINVAL;
-
-done:
- if (prev_type == ODP_KEY_ATTR_UNSPEC ||
- prev_type == ODP_KEY_ATTR_TUN_ID)
- return -EINVAL;
return 0;
}
int flow_to_nlattrs(const struct sw_flow_key *swkey, struct sk_buff *skb)
{
- struct odp_key_ethernet *eth_key;
+ struct ovs_key_ethernet *eth_key;
struct nlattr *nla;
/* This is an imperfect sanity-check that FLOW_BUFSIZE doesn't need
- * to be updated, but will at least raise awareness when new ODP key
- * types are added. */
- BUILD_BUG_ON(__ODP_KEY_ATTR_MAX != 14);
+ * to be updated, but will at least raise awareness when new
+ * datapath key types are added. */
+ BUILD_BUG_ON(__OVS_KEY_ATTR_MAX != 14);
if (swkey->eth.tun_id != cpu_to_be64(0))
- NLA_PUT_BE64(skb, ODP_KEY_ATTR_TUN_ID, swkey->eth.tun_id);
+ NLA_PUT_BE64(skb, OVS_KEY_ATTR_TUN_ID, swkey->eth.tun_id);
- NLA_PUT_U32(skb, ODP_KEY_ATTR_IN_PORT, swkey->eth.in_port);
+ if (swkey->eth.in_port != USHRT_MAX)
+ NLA_PUT_U32(skb, OVS_KEY_ATTR_IN_PORT, swkey->eth.in_port);
- nla = nla_reserve(skb, ODP_KEY_ATTR_ETHERNET, sizeof(*eth_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_ETHERNET, sizeof(*eth_key));
if (!nla)
goto nla_put_failure;
eth_key = nla_data(nla);
memcpy(eth_key->eth_dst, swkey->eth.dst, ETH_ALEN);
if (swkey->eth.tci != htons(0)) {
- struct odp_key_8021q q_key;
+ struct ovs_key_8021q q_key;
q_key.q_tpid = htons(ETH_P_8021Q);
q_key.q_tci = swkey->eth.tci & ~htons(VLAN_TAG_PRESENT);
- NLA_PUT(skb, ODP_KEY_ATTR_8021Q, sizeof(q_key), &q_key);
+ NLA_PUT(skb, OVS_KEY_ATTR_8021Q, sizeof(q_key), &q_key);
}
if (swkey->eth.type == htons(ETH_P_802_2))
return 0;
- NLA_PUT_BE16(skb, ODP_KEY_ATTR_ETHERTYPE, swkey->eth.type);
+ NLA_PUT_BE16(skb, OVS_KEY_ATTR_ETHERTYPE, swkey->eth.type);
if (swkey->eth.type == htons(ETH_P_IP)) {
- struct odp_key_ipv4 *ipv4_key;
+ struct ovs_key_ipv4 *ipv4_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_IPV4, sizeof(*ipv4_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_IPV4, sizeof(*ipv4_key));
if (!nla)
goto nla_put_failure;
ipv4_key = nla_data(nla);
- memset(ipv4_key, 0, sizeof(struct odp_key_ipv4));
+ memset(ipv4_key, 0, sizeof(struct ovs_key_ipv4));
ipv4_key->ipv4_src = swkey->ipv4.addr.src;
ipv4_key->ipv4_dst = swkey->ipv4.addr.dst;
- ipv4_key->ipv4_proto = swkey->ip.nw_proto;
- ipv4_key->ipv4_tos = swkey->ip.nw_tos;
+ ipv4_key->ipv4_proto = swkey->ip.proto;
+ ipv4_key->ipv4_tos = swkey->ip.tos;
} else if (swkey->eth.type == htons(ETH_P_IPV6)) {
- struct odp_key_ipv6 *ipv6_key;
+ struct ovs_key_ipv6 *ipv6_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_IPV6, sizeof(*ipv6_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_IPV6, sizeof(*ipv6_key));
if (!nla)
goto nla_put_failure;
ipv6_key = nla_data(nla);
- memset(ipv6_key, 0, sizeof(struct odp_key_ipv6));
+ memset(ipv6_key, 0, sizeof(struct ovs_key_ipv6));
memcpy(ipv6_key->ipv6_src, &swkey->ipv6.addr.src,
sizeof(ipv6_key->ipv6_src));
memcpy(ipv6_key->ipv6_dst, &swkey->ipv6.addr.dst,
sizeof(ipv6_key->ipv6_dst));
- ipv6_key->ipv6_proto = swkey->ip.nw_proto;
- ipv6_key->ipv6_tos = swkey->ip.nw_tos;
+ ipv6_key->ipv6_proto = swkey->ip.proto;
+ ipv6_key->ipv6_tos = swkey->ip.tos;
} else if (swkey->eth.type == htons(ETH_P_ARP)) {
- struct odp_key_arp *arp_key;
+ struct ovs_key_arp *arp_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_ARP, sizeof(*arp_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_ARP, sizeof(*arp_key));
if (!nla)
goto nla_put_failure;
arp_key = nla_data(nla);
- memset(arp_key, 0, sizeof(struct odp_key_arp));
+ memset(arp_key, 0, sizeof(struct ovs_key_arp));
arp_key->arp_sip = swkey->ipv4.addr.src;
arp_key->arp_tip = swkey->ipv4.addr.dst;
- arp_key->arp_op = htons(swkey->ip.nw_proto);
+ arp_key->arp_op = htons(swkey->ip.proto);
memcpy(arp_key->arp_sha, swkey->ipv4.arp.sha, ETH_ALEN);
memcpy(arp_key->arp_tha, swkey->ipv4.arp.tha, ETH_ALEN);
}
if (swkey->eth.type == htons(ETH_P_IP) ||
swkey->eth.type == htons(ETH_P_IPV6)) {
- if (swkey->ip.nw_proto == IPPROTO_TCP) {
- struct odp_key_tcp *tcp_key;
+ if (swkey->ip.proto == IPPROTO_TCP) {
+ struct ovs_key_tcp *tcp_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_TCP, sizeof(*tcp_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_TCP, sizeof(*tcp_key));
if (!nla)
goto nla_put_failure;
tcp_key = nla_data(nla);
tcp_key->tcp_src = swkey->ipv6.tp.src;
tcp_key->tcp_dst = swkey->ipv6.tp.dst;
}
- } else if (swkey->ip.nw_proto == IPPROTO_UDP) {
- struct odp_key_udp *udp_key;
+ } else if (swkey->ip.proto == IPPROTO_UDP) {
+ struct ovs_key_udp *udp_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_UDP, sizeof(*udp_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_UDP, sizeof(*udp_key));
if (!nla)
goto nla_put_failure;
udp_key = nla_data(nla);
udp_key->udp_dst = swkey->ipv6.tp.dst;
}
} else if (swkey->eth.type == htons(ETH_P_IP) &&
- swkey->ip.nw_proto == IPPROTO_ICMP) {
- struct odp_key_icmp *icmp_key;
+ swkey->ip.proto == IPPROTO_ICMP) {
+ struct ovs_key_icmp *icmp_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_ICMP, sizeof(*icmp_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_ICMP, sizeof(*icmp_key));
if (!nla)
goto nla_put_failure;
icmp_key = nla_data(nla);
icmp_key->icmp_type = ntohs(swkey->ipv4.tp.src);
icmp_key->icmp_code = ntohs(swkey->ipv4.tp.dst);
} else if (swkey->eth.type == htons(ETH_P_IPV6) &&
- swkey->ip.nw_proto == IPPROTO_ICMPV6) {
- struct odp_key_icmpv6 *icmpv6_key;
+ swkey->ip.proto == IPPROTO_ICMPV6) {
+ struct ovs_key_icmpv6 *icmpv6_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_ICMPV6,
+ nla = nla_reserve(skb, OVS_KEY_ATTR_ICMPV6,
sizeof(*icmpv6_key));
if (!nla)
goto nla_put_failure;
if (icmpv6_key->icmpv6_type == NDISC_NEIGHBOUR_SOLICITATION ||
icmpv6_key->icmpv6_type == NDISC_NEIGHBOUR_ADVERTISEMENT) {
- struct odp_key_nd *nd_key;
+ struct ovs_key_nd *nd_key;
- nla = nla_reserve(skb, ODP_KEY_ATTR_ND, sizeof(*nd_key));
+ nla = nla_reserve(skb, OVS_KEY_ATTR_ND, sizeof(*nd_key));
if (!nla)
goto nla_put_failure;
nd_key = nla_data(nla);
git://git.onelab.eu / sliver-openvswitch.git / blobdiff