#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>
#include <net/ndisc.h>
* @nexthdrp: Initially, points to the type of the extension header at @start.
* This function updates it to point to the extension header at the final
* offset.
- * @tos_frag: Points to the @tos_frag member in a &struct sw_flow_key. This
+ * @frag: Points to the @frag member in a &struct sw_flow_key. This
* function sets an appropriate %OVS_FRAG_TYPE_* value.
*
- * This is based on ipv6_skip_exthdr() but adds the updates to *@tos_frag.
+ * This is based on ipv6_skip_exthdr() but adds the updates to *@frag.
*
* When there is more than one fragment header, this version reports whether
* the final fragment header that it examines is a first fragment.
* Returns the final payload offset, or -1 on error.
*/
static int skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp,
- u8 *tos_frag)
+ u8 *frag)
{
u8 nexthdr = *nexthdrp;
if (fp == NULL)
return -1;
- *tos_frag &= ~OVS_FRAG_TYPE_MASK;
if (ntohs(*fp) & ~0x7) {
- *tos_frag |= OVS_FRAG_TYPE_LATER;
+ *frag = OVS_FRAG_TYPE_LATER;
break;
}
- *tos_frag |= OVS_FRAG_TYPE_FIRST;
+ *frag = OVS_FRAG_TYPE_FIRST;
hdrlen = 8;
} else if (nexthdr == NEXTHDR_AUTH)
hdrlen = (hp->hdrlen+2)<<2;
uint8_t nexthdr;
int err;
- *key_lenp = SW_FLOW_KEY_OFFSET(ipv6.addr);
+ *key_lenp = SW_FLOW_KEY_OFFSET(ipv6.label);
err = check_header(skb, nh_ofs + sizeof(*nh));
if (unlikely(err))
payload_ofs = (u8 *)(nh + 1) - skb->data;
key->ip.proto = NEXTHDR_NONE;
- key->ip.tos_frag = ipv6_get_dsfield(nh) & ~INET_ECN_MASK;
+ key->ip.tos = ipv6_get_dsfield(nh);
+ key->ip.ttl = nh->hop_limit;
+ key->ipv6.label = *(__be32 *)nh & htonl(IPV6_FLOWINFO_FLOWLABEL);
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.frag);
if (unlikely(payload_ofs < 0))
return -EINVAL;
key->ipv4.addr.dst = nh->daddr;
key->ip.proto = nh->protocol;
- key->ip.tos_frag = nh->tos & ~INET_ECN_MASK;
+ key->ip.tos = nh->tos;
+ key->ip.ttl = nh->ttl;
offset = nh->frag_off & htons(IP_OFFSET);
if (offset) {
- key->ip.tos_frag |= OVS_FRAG_TYPE_LATER;
+ key->ip.frag = OVS_FRAG_TYPE_LATER;
goto out;
}
if (nh->frag_off & htons(IP_MF) ||
skb_shinfo(skb)->gso_type & SKB_GSO_UDP)
- key->ip.tos_frag |= OVS_FRAG_TYPE_FIRST;
+ key->ip.frag = OVS_FRAG_TYPE_FIRST;
/* Transport layer. */
if (key->ip.proto == IPPROTO_TCP) {
goto out;
}
- if ((key->ip.tos_frag & OVS_FRAG_TYPE_MASK) == OVS_FRAG_TYPE_LATER)
+ if (key->ip.frag == OVS_FRAG_TYPE_LATER)
goto out;
if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP)
- key->ip.tos_frag |= OVS_FRAG_TYPE_FIRST;
+ key->ip.frag = OVS_FRAG_TYPE_FIRST;
/* Transport layer. */
if (key->ip.proto == NEXTHDR_TCP) {
}
}
-static int parse_tos_frag(struct sw_flow_key *swkey, u8 tos, u8 frag)
-{
- if (tos & INET_ECN_MASK || frag > OVS_FRAG_TYPE_MAX)
- return -EINVAL;
-
- swkey->ip.tos_frag = tos | frag;
- return 0;
-}
-
/* 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,
const struct nlattr *attr)
{
int error = 0;
- enum ovs_frag_type frag_type;
const struct nlattr *nla;
u16 prev_type;
int rem;
if (swkey->eth.type != htons(ETH_P_IP))
goto invalid;
ipv4_key = nla_data(nla);
- swkey->ip.proto = ipv4_key->ipv4_proto;
- if (parse_tos_frag(swkey, ipv4_key->ipv4_tos,
- ipv4_key->ipv4_frag))
+ if (ipv4_key->ipv4_frag > OVS_FRAG_TYPE_MAX)
goto invalid;
+ swkey->ip.proto = ipv4_key->ipv4_proto;
+ swkey->ip.tos = ipv4_key->ipv4_tos;
+ swkey->ip.ttl = ipv4_key->ipv4_ttl;
+ swkey->ip.frag = ipv4_key->ipv4_frag;
swkey->ipv4.addr.src = ipv4_key->ipv4_src;
swkey->ipv4.addr.dst = ipv4_key->ipv4_dst;
break;
case TRANSITION(OVS_KEY_ATTR_ETHERTYPE, OVS_KEY_ATTR_IPV6):
- key_len = SW_FLOW_KEY_OFFSET(ipv6.addr);
+ key_len = SW_FLOW_KEY_OFFSET(ipv6.label);
if (swkey->eth.type != htons(ETH_P_IPV6))
goto invalid;
ipv6_key = nla_data(nla);
- swkey->ip.proto = ipv6_key->ipv6_proto;
- if (parse_tos_frag(swkey, ipv6_key->ipv6_tos,
- ipv6_key->ipv6_frag))
+ if (ipv6_key->ipv6_frag > OVS_FRAG_TYPE_MAX)
goto invalid;
+ swkey->ipv6.label = ipv6_key->ipv6_label;
+ swkey->ip.proto = ipv6_key->ipv6_proto;
+ swkey->ip.tos = ipv6_key->ipv6_tclass;
+ swkey->ip.ttl = ipv6_key->ipv6_hlimit;
+ swkey->ip.frag = ipv6_key->ipv6_frag;
memcpy(&swkey->ipv6.addr.src, ipv6_key->ipv6_src,
sizeof(swkey->ipv6.addr.src));
memcpy(&swkey->ipv6.addr.dst, ipv6_key->ipv6_dst,
if (rem)
goto invalid;
- frag_type = swkey->ip.tos_frag & OVS_FRAG_TYPE_MASK;
switch (prev_type) {
case OVS_KEY_ATTR_UNSPEC:
goto invalid;
goto ok;
case OVS_KEY_ATTR_IPV4:
- if (frag_type == OVS_FRAG_TYPE_LATER)
+ if (swkey->ip.frag == OVS_FRAG_TYPE_LATER)
goto ok;
if (swkey->ip.proto == IPPROTO_TCP ||
swkey->ip.proto == IPPROTO_UDP ||
goto ok;
case OVS_KEY_ATTR_IPV6:
- if (frag_type == OVS_FRAG_TYPE_LATER)
+ if (swkey->ip.frag == OVS_FRAG_TYPE_LATER)
goto ok;
if (swkey->ip.proto == IPPROTO_TCP ||
swkey->ip.proto == IPPROTO_UDP ||
case OVS_KEY_ATTR_ICMPV6:
if (swkey->ipv6.tp.src == htons(NDISC_NEIGHBOUR_SOLICITATION) ||
swkey->ipv6.tp.src == htons(NDISC_NEIGHBOUR_ADVERTISEMENT) ||
- frag_type == OVS_FRAG_TYPE_LATER)
+ swkey->ip.frag == OVS_FRAG_TYPE_LATER)
goto invalid;
goto ok;
case OVS_KEY_ATTR_UDP:
case OVS_KEY_ATTR_ICMP:
case OVS_KEY_ATTR_ND:
- if (frag_type == OVS_FRAG_TYPE_LATER)
+ if (swkey->ip.frag == OVS_FRAG_TYPE_LATER)
goto invalid;
goto ok;
const struct nlattr *attr)
{
const struct nlattr *nla;
- u16 prev_type;
int rem;
*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);
- 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;
+ if (type <= OVS_KEY_ATTR_MAX && ovs_key_lens[type] != 0) {
+ if (nla_len(nla) != ovs_key_lens[type])
+ return -EINVAL;
- 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;
+ switch (type) {
+ case OVS_KEY_ATTR_PRIORITY:
+ *priority = nla_get_u32(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;
- *in_port = nla_get_u32(nla);
- break;
+ case OVS_KEY_ATTR_TUN_ID:
+ *tun_id = nla_get_be64(nla);
+ break;
- default:
- return 0;
+ case OVS_KEY_ATTR_IN_PORT:
+ if (nla_get_u32(nla) >= DP_MAX_PORTS)
+ return -EINVAL;
+ *in_port = nla_get_u32(nla);
+ break;
+ }
}
-
- prev_type = type;
}
if (rem)
return -EINVAL;
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
- * datapath key types are added. */
- BUILD_BUG_ON(__OVS_KEY_ATTR_MAX != 15);
-
if (swkey->phy.priority)
NLA_PUT_U32(skb, OVS_KEY_ATTR_PRIORITY, swkey->phy.priority);
if (!nla)
goto nla_put_failure;
ipv4_key = nla_data(nla);
- 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.proto;
- ipv4_key->ipv4_tos = swkey->ip.tos_frag & ~INET_ECN_MASK;
- ipv4_key->ipv4_frag = swkey->ip.tos_frag & OVS_FRAG_TYPE_MASK;
+ ipv4_key->ipv4_tos = swkey->ip.tos;
+ ipv4_key->ipv4_ttl = swkey->ip.ttl;
+ ipv4_key->ipv4_frag = swkey->ip.frag;
} else if (swkey->eth.type == htons(ETH_P_IPV6)) {
struct ovs_key_ipv6 *ipv6_key;
if (!nla)
goto nla_put_failure;
ipv6_key = nla_data(nla);
- 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_label = swkey->ipv6.label;
ipv6_key->ipv6_proto = swkey->ip.proto;
- ipv6_key->ipv6_tos = swkey->ip.tos_frag & ~INET_ECN_MASK;
- ipv6_key->ipv6_frag = swkey->ip.tos_frag & OVS_FRAG_TYPE_MASK;
+ ipv6_key->ipv6_tclass = swkey->ip.tos;
+ ipv6_key->ipv6_hlimit = swkey->ip.ttl;
+ ipv6_key->ipv6_frag = swkey->ip.frag;
} else if (swkey->eth.type == htons(ETH_P_ARP)) {
struct ovs_key_arp *arp_key;
if ((swkey->eth.type == htons(ETH_P_IP) ||
swkey->eth.type == htons(ETH_P_IPV6)) &&
- (swkey->ip.tos_frag & OVS_FRAG_TYPE_MASK) != OVS_FRAG_TYPE_LATER) {
+ swkey->ip.frag != OVS_FRAG_TYPE_LATER) {
if (swkey->ip.proto == IPPROTO_TCP) {
struct ovs_key_tcp *tcp_key;
git://git.onelab.eu / sliver-openvswitch.git / blobdiff