#include "flow.h"
#include "datapath.h"
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_ether.h>
return 0;
}
-static inline bool arphdr_ok(struct sk_buff *skb)
+static bool arphdr_ok(struct sk_buff *skb)
{
return pskb_may_pull(skb, skb_network_offset(skb) +
sizeof(struct arp_eth_header));
}
-static inline int check_iphdr(struct sk_buff *skb)
+static int check_iphdr(struct sk_buff *skb)
{
unsigned int nh_ofs = skb_network_offset(skb);
unsigned int ip_len;
return 0;
}
-static inline bool tcphdr_ok(struct sk_buff *skb)
+static bool tcphdr_ok(struct sk_buff *skb)
{
int th_ofs = skb_transport_offset(skb);
int tcp_len;
return true;
}
-static inline bool udphdr_ok(struct sk_buff *skb)
+static bool udphdr_ok(struct sk_buff *skb)
{
return pskb_may_pull(skb, skb_transport_offset(skb) +
sizeof(struct udphdr));
}
-static inline bool icmphdr_ok(struct sk_buff *skb)
+static bool icmphdr_ok(struct sk_buff *skb)
{
return pskb_may_pull(skb, skb_transport_offset(skb) +
sizeof(struct icmphdr));
}
#define SW_FLOW_KEY_OFFSET(field) \
- offsetof(struct sw_flow_key, field) + \
- FIELD_SIZEOF(struct sw_flow_key, field)
+ (offsetof(struct sw_flow_key, field) + \
+ FIELD_SIZEOF(struct sw_flow_key, field))
/**
* skip_exthdr - skip any IPv6 extension headers
ipv6_addr_copy(&key->ipv6.addr.src, &nh->saddr);
ipv6_addr_copy(&key->ipv6.addr.dst, &nh->daddr);
- payload_ofs = skip_exthdr(skb, payload_ofs, &nexthdr, &key->ip.tos_frag);
+ payload_ofs = skip_exthdr(skb, payload_ofs,
+ &nexthdr, &key->ip.tos_frag);
if (unlikely(payload_ofs < 0))
return -EINVAL;
static struct flex_array __rcu *alloc_buckets(unsigned int n_buckets)
{
- struct flex_array __rcu * buckets;
+ struct flex_array __rcu *buckets;
int i, err;
buckets = flex_array_alloc(sizeof(struct hlist_head *),
return buckets;
}
-static void free_buckets(struct flex_array * buckets)
+static void free_buckets(struct flex_array *buckets)
{
flex_array_free(buckets);
}
void flow_tbl_deferred_destroy(struct flow_table *table)
{
- if (!table)
- return;
+ if (!table)
+ return;
- call_rcu(&table->rcu, flow_tbl_destroy_rcu_cb);
+ call_rcu(&table->rcu, flow_tbl_destroy_rcu_cb);
}
struct sw_flow *flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *last)
icmp_len -= sizeof(*nd);
offset = 0;
while (icmp_len >= 8) {
- struct nd_opt_hdr *nd_opt = (struct nd_opt_hdr *)(nd->opt + offset);
+ struct nd_opt_hdr *nd_opt =
+ (struct nd_opt_hdr *)(nd->opt + offset);
int opt_len = nd_opt->nd_opt_len * 8;
if (unlikely(!opt_len || opt_len > icmp_len))
struct ethhdr *eth;
memset(key, 0, sizeof(*key));
- key->eth.tun_id = OVS_CB(skb)->tun_id;
- key->eth.in_port = in_port;
+
+ key->phy.priority = skb->priority;
+ key->phy.tun_id = OVS_CB(skb)->tun_id;
+ key->phy.in_port = in_port;
skb_reset_mac_header(skb);
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. */
+ * 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);
}
u32 flow_hash(const struct sw_flow_key *key, int key_len)
{
- return jhash2((u32*)key, DIV_ROUND_UP(key_len, sizeof(u32)), hash_seed);
+ return jhash2((u32 *)key, DIV_ROUND_UP(key_len, sizeof(u32)), hash_seed);
}
-struct sw_flow * flow_tbl_lookup(struct flow_table *table,
+struct sw_flow *flow_tbl_lookup(struct flow_table *table,
struct sw_flow_key *key, int key_len)
{
struct sw_flow *flow;
/* The size of the argument for each %OVS_KEY_ATTR_* Netlink attribute. */
const u32 ovs_key_lens[OVS_KEY_ATTR_MAX + 1] = {
+ [OVS_KEY_ATTR_PRIORITY] = 4,
[OVS_KEY_ATTR_TUN_ID] = 8,
[OVS_KEY_ATTR_IN_PORT] = 4,
[OVS_KEY_ATTR_ETHERNET] = sizeof(struct ovs_key_ethernet),
* This state machine accepts the following forms, with [] for optional
* elements and | for alternatives:
*
- * [tun_id] [in_port] ethernet [8021q] [ethertype \
+ * [priority] [tun_id] [in_port] ethernet [8021q] [ethertype \
* [IPv4 [TCP|UDP|ICMP] | IPv6 [TCP|UDP|ICMPv6 [ND]] | ARP]]
*
* except that IPv4 or IPv6 terminates the sequence if its @ipv4_frag or
int key_len;
memset(swkey, 0, sizeof(*swkey));
- swkey->eth.in_port = USHRT_MAX;
+ swkey->phy.in_port = USHRT_MAX;
swkey->eth.type = htons(ETH_P_802_2);
key_len = SW_FLOW_KEY_OFFSET(eth);
const struct ovs_key_arp *arp_key;
const struct ovs_key_nd *nd_key;
- int type = nla_type(nla);
+ int type = nla_type(nla);
- if (type > OVS_KEY_ATTR_MAX || nla_len(nla) != ovs_key_lens[type])
+ if (type > OVS_KEY_ATTR_MAX ||
+ nla_len(nla) != ovs_key_lens[type])
goto invalid;
#define TRANSITION(PREV_TYPE, TYPE) (((PREV_TYPE) << 16) | (TYPE))
switch (TRANSITION(prev_type, type)) {
+ case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_PRIORITY):
+ swkey->phy.priority = nla_get_u32(nla);
+ break;
+
case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_TUN_ID):
- swkey->eth.tun_id = nla_get_be64(nla);
+ case TRANSITION(OVS_KEY_ATTR_PRIORITY, OVS_KEY_ATTR_TUN_ID):
+ swkey->phy.tun_id = nla_get_be64(nla);
break;
case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_IN_PORT):
+ case TRANSITION(OVS_KEY_ATTR_PRIORITY, 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);
+ swkey->phy.in_port = nla_get_u32(nla);
break;
case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_ETHERNET):
+ case TRANSITION(OVS_KEY_ATTR_PRIORITY, 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);
case OVS_KEY_ATTR_UNSPEC:
goto invalid;
+ case OVS_KEY_ATTR_PRIORITY:
case OVS_KEY_ATTR_TUN_ID:
case OVS_KEY_ATTR_IN_PORT:
goto invalid;
case OVS_KEY_ATTR_ETHERTYPE:
if (swkey->eth.type == htons(ETH_P_IP) ||
+ swkey->eth.type == htons(ETH_P_IPV6) ||
swkey->eth.type == htons(ETH_P_ARP))
goto invalid;
goto ok;
error = -EINVAL;
ok:
- WARN_ON_ONCE(!key_len && !error);
*key_lenp = key_len;
return error;
}
* get the metadata, that is, the parts of the flow key that cannot be
* extracted from the packet itself.
*/
-int flow_metadata_from_nlattrs(u16 *in_port, __be64 *tun_id,
+int flow_metadata_from_nlattrs(u32 *priority, u16 *in_port, __be64 *tun_id,
const struct nlattr *attr)
{
const struct nlattr *nla;
*in_port = USHRT_MAX;
*tun_id = 0;
+ *priority = 0;
prev_type = OVS_KEY_ATTR_UNSPEC;
nla_for_each_nested(nla, attr, rem) {
- int type = nla_type(nla);
+ int type = nla_type(nla);
if (type > OVS_KEY_ATTR_MAX || nla_len(nla) != ovs_key_lens[type])
return -EINVAL;
switch (TRANSITION(prev_type, type)) {
+ case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_PRIORITY):
+ *priority = nla_get_u32(nla);
+ break;
+
case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_TUN_ID):
+ case TRANSITION(OVS_KEY_ATTR_PRIORITY, OVS_KEY_ATTR_TUN_ID):
*tun_id = nla_get_be64(nla);
break;
case TRANSITION(OVS_KEY_ATTR_UNSPEC, OVS_KEY_ATTR_IN_PORT):
+ case TRANSITION(OVS_KEY_ATTR_PRIORITY, 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;
/* This is an imperfect sanity-check that FLOW_BUFSIZE doesn't need
* to be updated, but will at least raise awareness when new
* datapath key types are added. */
- BUILD_BUG_ON(__OVS_KEY_ATTR_MAX != 14);
+ BUILD_BUG_ON(__OVS_KEY_ATTR_MAX != 15);
+
+ if (swkey->phy.priority)
+ NLA_PUT_U32(skb, OVS_KEY_ATTR_PRIORITY, swkey->phy.priority);
- if (swkey->eth.tun_id != cpu_to_be64(0))
- NLA_PUT_BE64(skb, OVS_KEY_ATTR_TUN_ID, swkey->eth.tun_id);
+ if (swkey->phy.tun_id != cpu_to_be64(0))
+ NLA_PUT_BE64(skb, OVS_KEY_ATTR_TUN_ID, swkey->phy.tun_id);
- if (swkey->eth.in_port != USHRT_MAX)
- NLA_PUT_U32(skb, OVS_KEY_ATTR_IN_PORT, swkey->eth.in_port);
+ if (swkey->phy.in_port != USHRT_MAX)
+ NLA_PUT_U32(skb, OVS_KEY_ATTR_IN_PORT, swkey->phy.in_port);
nla = nla_reserve(skb, OVS_KEY_ATTR_ETHERNET, sizeof(*eth_key));
if (!nla)
git://git.onelab.eu / sliver-openvswitch.git / blobdiff