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openvswitch: Compact sw_flow_key.

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Minimize padding in sw_flow_key and move 'tp' top the main struct.
These changes simplify code when accessing the transport port numbers
and the tcp flags, and makes the sw_flow_key 8 bytes smaller on 64-bit
systems (128->120 bytes).  These changes also make the keys for IPv4
packets to fit in one cache line.

There is a valid concern for safety of packing the struct
ovs_key_ipv4_tunnel, as it would be possible to take the address of
the tun_id member as a __be64 * which could result in unaligned access
in some systems. However:

- sw_flow_key itself is 64-bit aligned, so the tun_id within is
  always
  64-bit aligned.
- We never make arrays of ovs_key_ipv4_tunnel (which would force
  every
  second tun_key to be misaligned).
- We never take the address of the tun_id in to a __be64 *.
- Whereever we use struct ovs_key_ipv4_tunnel outside the
  sw_flow_key,
  it is in stack (on tunnel input functions), where compiler has full
  control of the alignment.

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Jarno Rajahalme 2014-05-05 09:54:49 -07:00 committed by Pravin B Shelar
parent 091b64868b
commit 1139e241ec
3 changed files with 62 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
net/openvswitch/flow.c
View File

@ -64,17 +64,11 @@ u64 ovs_flow_used_time(unsigned long flow_jiffies)
void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb) void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb)
{ {
struct flow_stats *stats; struct flow_stats *stats;
__be16 tcp_flags = 0; __be16 tcp_flags = flow->key.tp.flags;
int node = numa_node_id(); int node = numa_node_id();
stats = rcu_dereference(flow->stats[node]); stats = rcu_dereference(flow->stats[node]);
if (likely(flow->key.ip.proto == IPPROTO_TCP)) {
if (likely(flow->key.eth.type == htons(ETH_P_IP)))
tcp_flags = flow->key.ipv4.tp.flags;
else if (likely(flow->key.eth.type == htons(ETH_P_IPV6)))
tcp_flags = flow->key.ipv6.tp.flags;
}
/* Check if already have node-specific stats. */ /* Check if already have node-specific stats. */
if (likely(stats)) { if (likely(stats)) {
spin_lock(&stats->lock); spin_lock(&stats->lock);
@ -357,8 +351,8 @@ static int parse_icmpv6(struct sk_buff *skb, struct sw_flow_key *key,
/* The ICMPv6 type and code fields use the 16-bit transport port /* The ICMPv6 type and code fields use the 16-bit transport port
* fields, so we need to store them in 16-bit network byte order. * fields, so we need to store them in 16-bit network byte order.
*/ */
key->ipv6.tp.src = htons(icmp->icmp6_type); key->tp.src = htons(icmp->icmp6_type);
key->ipv6.tp.dst = htons(icmp->icmp6_code); key->tp.dst = htons(icmp->icmp6_code);
if (icmp->icmp6_code == 0 && if (icmp->icmp6_code == 0 &&
(icmp->icmp6_type == NDISC_NEIGHBOUR_SOLICITATION || (icmp->icmp6_type == NDISC_NEIGHBOUR_SOLICITATION ||
@ -520,21 +514,21 @@ int ovs_flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key)
if (key->ip.proto == IPPROTO_TCP) { if (key->ip.proto == IPPROTO_TCP) {
if (tcphdr_ok(skb)) { if (tcphdr_ok(skb)) {
struct tcphdr *tcp = tcp_hdr(skb); struct tcphdr *tcp = tcp_hdr(skb);
key->ipv4.tp.src = tcp->source; key->tp.src = tcp->source;
key->ipv4.tp.dst = tcp->dest; key->tp.dst = tcp->dest;
key->ipv4.tp.flags = TCP_FLAGS_BE16(tcp); key->tp.flags = TCP_FLAGS_BE16(tcp);
} }
} else if (key->ip.proto == IPPROTO_UDP) { } else if (key->ip.proto == IPPROTO_UDP) {
if (udphdr_ok(skb)) { if (udphdr_ok(skb)) {
struct udphdr *udp = udp_hdr(skb); struct udphdr *udp = udp_hdr(skb);
key->ipv4.tp.src = udp->source; key->tp.src = udp->source;
key->ipv4.tp.dst = udp->dest; key->tp.dst = udp->dest;
} }
} else if (key->ip.proto == IPPROTO_SCTP) { } else if (key->ip.proto == IPPROTO_SCTP) {
if (sctphdr_ok(skb)) { if (sctphdr_ok(skb)) {
struct sctphdr *sctp = sctp_hdr(skb); struct sctphdr *sctp = sctp_hdr(skb);
key->ipv4.tp.src = sctp->source; key->tp.src = sctp->source;
key->ipv4.tp.dst = sctp->dest; key->tp.dst = sctp->dest;
} }
} else if (key->ip.proto == IPPROTO_ICMP) { } else if (key->ip.proto == IPPROTO_ICMP) {
if (icmphdr_ok(skb)) { if (icmphdr_ok(skb)) {
@ -542,8 +536,8 @@ int ovs_flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key)
/* The ICMP type and code fields use the 16-bit /* The ICMP type and code fields use the 16-bit
* transport port fields, so we need to store * transport port fields, so we need to store
* them in 16-bit network byte order. */ * them in 16-bit network byte order. */
key->ipv4.tp.src = htons(icmp->type); key->tp.src = htons(icmp->type);
key->ipv4.tp.dst = htons(icmp->code); key->tp.dst = htons(icmp->code);
} }
} }
@ -589,21 +583,21 @@ int ovs_flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key)
if (key->ip.proto == NEXTHDR_TCP) { if (key->ip.proto == NEXTHDR_TCP) {
if (tcphdr_ok(skb)) { if (tcphdr_ok(skb)) {
struct tcphdr *tcp = tcp_hdr(skb); struct tcphdr *tcp = tcp_hdr(skb);
key->ipv6.tp.src = tcp->source; key->tp.src = tcp->source;
key->ipv6.tp.dst = tcp->dest; key->tp.dst = tcp->dest;
key->ipv6.tp.flags = TCP_FLAGS_BE16(tcp); key->tp.flags = TCP_FLAGS_BE16(tcp);
} }
} else if (key->ip.proto == NEXTHDR_UDP) { } else if (key->ip.proto == NEXTHDR_UDP) {
if (udphdr_ok(skb)) { if (udphdr_ok(skb)) {
struct udphdr *udp = udp_hdr(skb); struct udphdr *udp = udp_hdr(skb);
key->ipv6.tp.src = udp->source; key->tp.src = udp->source;
key->ipv6.tp.dst = udp->dest; key->tp.dst = udp->dest;
} }
} else if (key->ip.proto == NEXTHDR_SCTP) { } else if (key->ip.proto == NEXTHDR_SCTP) {
if (sctphdr_ok(skb)) { if (sctphdr_ok(skb)) {
struct sctphdr *sctp = sctp_hdr(skb); struct sctphdr *sctp = sctp_hdr(skb);
key->ipv6.tp.src = sctp->source; key->tp.src = sctp->source;
key->ipv6.tp.dst = sctp->dest; key->tp.dst = sctp->dest;
} }
} else if (key->ip.proto == NEXTHDR_ICMP) { } else if (key->ip.proto == NEXTHDR_ICMP) {
if (icmp6hdr_ok(skb)) { if (icmp6hdr_ok(skb)) {

29
net/openvswitch/flow.h
View File

@ -47,7 +47,7 @@ struct ovs_key_ipv4_tunnel {
__be16 tun_flags; __be16 tun_flags;
u8 ipv4_tos; u8 ipv4_tos;
u8 ipv4_ttl; u8 ipv4_ttl;
}; } __packed __aligned(4); /* Minimize padding. */
static inline void ovs_flow_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key, static inline void ovs_flow_tun_key_init(struct ovs_key_ipv4_tunnel *tun_key,
const struct iphdr *iph, __be64 tun_id, const struct iphdr *iph, __be64 tun_id,
@ -71,7 +71,7 @@ struct sw_flow_key {
u32 priority; /* Packet QoS priority. */ u32 priority; /* Packet QoS priority. */
u32 skb_mark; /* SKB mark. */ u32 skb_mark; /* SKB mark. */
u16 in_port; /* Input switch port (or DP_MAX_PORTS). */ u16 in_port; /* Input switch port (or DP_MAX_PORTS). */
} phy; } __packed phy; /* Safe when right after 'tun_key'. */
struct { struct {
u8 src[ETH_ALEN]; /* Ethernet source address. */ u8 src[ETH_ALEN]; /* Ethernet source address. */
u8 dst[ETH_ALEN]; /* Ethernet destination address. */ u8 dst[ETH_ALEN]; /* Ethernet destination address. */
@ -84,23 +84,21 @@ struct sw_flow_key {
u8 ttl; /* IP TTL/hop limit. */ u8 ttl; /* IP TTL/hop limit. */
u8 frag; /* One of OVS_FRAG_TYPE_*. */ u8 frag; /* One of OVS_FRAG_TYPE_*. */
} ip; } ip;
struct {
__be16 src; /* TCP/UDP/SCTP source port. */
__be16 dst; /* TCP/UDP/SCTP destination port. */
__be16 flags; /* TCP flags. */
} tp;
union { union {
struct { struct {
struct { struct {
__be32 src; /* IP source address. */ __be32 src; /* IP source address. */
__be32 dst; /* IP destination address. */ __be32 dst; /* IP destination address. */
} addr; } addr;
union { struct {
struct { u8 sha[ETH_ALEN]; /* ARP source hardware address. */
__be16 src; /* TCP/UDP/SCTP source port. */ u8 tha[ETH_ALEN]; /* ARP target hardware address. */
__be16 dst; /* TCP/UDP/SCTP destination port. */ } arp;
__be16 flags; /* TCP flags. */
} tp;
struct {
u8 sha[ETH_ALEN]; /* ARP source hardware address. */
u8 tha[ETH_ALEN]; /* ARP target hardware address. */
} arp;
};
} ipv4; } ipv4;
struct { struct {
struct { struct {
@ -108,11 +106,6 @@ struct sw_flow_key {
struct in6_addr dst; /* IPv6 destination address. */ struct in6_addr dst; /* IPv6 destination address. */
} addr; } addr;
__be32 label; /* IPv6 flow label. */ __be32 label; /* IPv6 flow label. */
struct {
__be16 src; /* TCP/UDP/SCTP source port. */
__be16 dst; /* TCP/UDP/SCTP destination port. */
__be16 flags; /* TCP flags. */
} tp;
struct { struct {
struct in6_addr target; /* ND target address. */ struct in6_addr target; /* ND target address. */
u8 sll[ETH_ALEN]; /* ND source link layer address. */ u8 sll[ETH_ALEN]; /* ND source link layer address. */

112
net/openvswitch/flow_netlink.c
View File

@ -204,11 +204,11 @@ static bool match_validate(const struct sw_flow_match *match,
if (match->mask && (match->mask->key.ip.proto == 0xff)) if (match->mask && (match->mask->key.ip.proto == 0xff))
mask_allowed |= 1 << OVS_KEY_ATTR_ICMPV6; mask_allowed |= 1 << OVS_KEY_ATTR_ICMPV6;
if (match->key->ipv6.tp.src == if (match->key->tp.src ==
htons(NDISC_NEIGHBOUR_SOLICITATION) || htons(NDISC_NEIGHBOUR_SOLICITATION) ||
match->key->ipv6.tp.src == htons(NDISC_NEIGHBOUR_ADVERTISEMENT)) { match->key->tp.src == htons(NDISC_NEIGHBOUR_ADVERTISEMENT)) {
key_expected |= 1 << OVS_KEY_ATTR_ND; key_expected |= 1 << OVS_KEY_ATTR_ND;
if (match->mask && (match->mask->key.ipv6.tp.src == htons(0xffff))) if (match->mask && (match->mask->key.tp.src == htons(0xffff)))
mask_allowed |= 1 << OVS_KEY_ATTR_ND; mask_allowed |= 1 << OVS_KEY_ATTR_ND;
} }
} }
@ -630,27 +630,18 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
const struct ovs_key_tcp *tcp_key; const struct ovs_key_tcp *tcp_key;
tcp_key = nla_data(a[OVS_KEY_ATTR_TCP]); tcp_key = nla_data(a[OVS_KEY_ATTR_TCP]);
if (orig_attrs & (1 << OVS_KEY_ATTR_IPV4)) { SW_FLOW_KEY_PUT(match, tp.src, tcp_key->tcp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv4.tp.src, SW_FLOW_KEY_PUT(match, tp.dst, tcp_key->tcp_dst, is_mask);
tcp_key->tcp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv4.tp.dst,
tcp_key->tcp_dst, is_mask);
} else {
SW_FLOW_KEY_PUT(match, ipv6.tp.src,
tcp_key->tcp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv6.tp.dst,
tcp_key->tcp_dst, is_mask);
}
attrs &= ~(1 << OVS_KEY_ATTR_TCP); attrs &= ~(1 << OVS_KEY_ATTR_TCP);
} }
if (attrs & (1 << OVS_KEY_ATTR_TCP_FLAGS)) { if (attrs & (1 << OVS_KEY_ATTR_TCP_FLAGS)) {
if (orig_attrs & (1 << OVS_KEY_ATTR_IPV4)) { if (orig_attrs & (1 << OVS_KEY_ATTR_IPV4)) {
SW_FLOW_KEY_PUT(match, ipv4.tp.flags, SW_FLOW_KEY_PUT(match, tp.flags,
nla_get_be16(a[OVS_KEY_ATTR_TCP_FLAGS]), nla_get_be16(a[OVS_KEY_ATTR_TCP_FLAGS]),
is_mask); is_mask);
} else { } else {
SW_FLOW_KEY_PUT(match, ipv6.tp.flags, SW_FLOW_KEY_PUT(match, tp.flags,
nla_get_be16(a[OVS_KEY_ATTR_TCP_FLAGS]), nla_get_be16(a[OVS_KEY_ATTR_TCP_FLAGS]),
is_mask); is_mask);
} }
@ -661,17 +652,8 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
const struct ovs_key_udp *udp_key; const struct ovs_key_udp *udp_key;
udp_key = nla_data(a[OVS_KEY_ATTR_UDP]); udp_key = nla_data(a[OVS_KEY_ATTR_UDP]);
if (orig_attrs & (1 << OVS_KEY_ATTR_IPV4)) { SW_FLOW_KEY_PUT(match, tp.src, udp_key->udp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv4.tp.src, SW_FLOW_KEY_PUT(match, tp.dst, udp_key->udp_dst, is_mask);
udp_key->udp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv4.tp.dst,
udp_key->udp_dst, is_mask);
} else {
SW_FLOW_KEY_PUT(match, ipv6.tp.src,
udp_key->udp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv6.tp.dst,
udp_key->udp_dst, is_mask);
}
attrs &= ~(1 << OVS_KEY_ATTR_UDP); attrs &= ~(1 << OVS_KEY_ATTR_UDP);
} }
@ -679,17 +661,8 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
const struct ovs_key_sctp *sctp_key; const struct ovs_key_sctp *sctp_key;
sctp_key = nla_data(a[OVS_KEY_ATTR_SCTP]); sctp_key = nla_data(a[OVS_KEY_ATTR_SCTP]);
if (orig_attrs & (1 << OVS_KEY_ATTR_IPV4)) { SW_FLOW_KEY_PUT(match, tp.src, sctp_key->sctp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv4.tp.src, SW_FLOW_KEY_PUT(match, tp.dst, sctp_key->sctp_dst, is_mask);
sctp_key->sctp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv4.tp.dst,
sctp_key->sctp_dst, is_mask);
} else {
SW_FLOW_KEY_PUT(match, ipv6.tp.src,
sctp_key->sctp_src, is_mask);
SW_FLOW_KEY_PUT(match, ipv6.tp.dst,
sctp_key->sctp_dst, is_mask);
}
attrs &= ~(1 << OVS_KEY_ATTR_SCTP); attrs &= ~(1 << OVS_KEY_ATTR_SCTP);
} }
@ -697,9 +670,9 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
const struct ovs_key_icmp *icmp_key; const struct ovs_key_icmp *icmp_key;
icmp_key = nla_data(a[OVS_KEY_ATTR_ICMP]); icmp_key = nla_data(a[OVS_KEY_ATTR_ICMP]);
SW_FLOW_KEY_PUT(match, ipv4.tp.src, SW_FLOW_KEY_PUT(match, tp.src,
htons(icmp_key->icmp_type), is_mask); htons(icmp_key->icmp_type), is_mask);
SW_FLOW_KEY_PUT(match, ipv4.tp.dst, SW_FLOW_KEY_PUT(match, tp.dst,
htons(icmp_key->icmp_code), is_mask); htons(icmp_key->icmp_code), is_mask);
attrs &= ~(1 << OVS_KEY_ATTR_ICMP); attrs &= ~(1 << OVS_KEY_ATTR_ICMP);
} }
@ -708,9 +681,9 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
const struct ovs_key_icmpv6 *icmpv6_key; const struct ovs_key_icmpv6 *icmpv6_key;
icmpv6_key = nla_data(a[OVS_KEY_ATTR_ICMPV6]); icmpv6_key = nla_data(a[OVS_KEY_ATTR_ICMPV6]);
SW_FLOW_KEY_PUT(match, ipv6.tp.src, SW_FLOW_KEY_PUT(match, tp.src,
htons(icmpv6_key->icmpv6_type), is_mask); htons(icmpv6_key->icmpv6_type), is_mask);
SW_FLOW_KEY_PUT(match, ipv6.tp.dst, SW_FLOW_KEY_PUT(match, tp.dst,
htons(icmpv6_key->icmpv6_code), is_mask); htons(icmpv6_key->icmpv6_code), is_mask);
attrs &= ~(1 << OVS_KEY_ATTR_ICMPV6); attrs &= ~(1 << OVS_KEY_ATTR_ICMPV6);
} }
@ -1024,19 +997,11 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
if (!nla) if (!nla)
goto nla_put_failure; goto nla_put_failure;
tcp_key = nla_data(nla); tcp_key = nla_data(nla);
if (swkey->eth.type == htons(ETH_P_IP)) { tcp_key->tcp_src = output->tp.src;
tcp_key->tcp_src = output->ipv4.tp.src; tcp_key->tcp_dst = output->tp.dst;
tcp_key->tcp_dst = output->ipv4.tp.dst; if (nla_put_be16(skb, OVS_KEY_ATTR_TCP_FLAGS,
if (nla_put_be16(skb, OVS_KEY_ATTR_TCP_FLAGS, output->tp.flags))
output->ipv4.tp.flags)) goto nla_put_failure;
goto nla_put_failure;
} else if (swkey->eth.type == htons(ETH_P_IPV6)) {
tcp_key->tcp_src = output->ipv6.tp.src;
tcp_key->tcp_dst = output->ipv6.tp.dst;
if (nla_put_be16(skb, OVS_KEY_ATTR_TCP_FLAGS,
output->ipv6.tp.flags))
goto nla_put_failure;
}
} else if (swkey->ip.proto == IPPROTO_UDP) { } else if (swkey->ip.proto == IPPROTO_UDP) {
struct ovs_key_udp *udp_key; struct ovs_key_udp *udp_key;
@ -1044,13 +1009,8 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
if (!nla) if (!nla)
goto nla_put_failure; goto nla_put_failure;
udp_key = nla_data(nla); udp_key = nla_data(nla);
if (swkey->eth.type == htons(ETH_P_IP)) { udp_key->udp_src = output->tp.src;
udp_key->udp_src = output->ipv4.tp.src; udp_key->udp_dst = output->tp.dst;
udp_key->udp_dst = output->ipv4.tp.dst;
} else if (swkey->eth.type == htons(ETH_P_IPV6)) {
udp_key->udp_src = output->ipv6.tp.src;
udp_key->udp_dst = output->ipv6.tp.dst;
}
} else if (swkey->ip.proto == IPPROTO_SCTP) { } else if (swkey->ip.proto == IPPROTO_SCTP) {
struct ovs_key_sctp *sctp_key; struct ovs_key_sctp *sctp_key;
@ -1058,13 +1018,8 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
if (!nla) if (!nla)
goto nla_put_failure; goto nla_put_failure;
sctp_key = nla_data(nla); sctp_key = nla_data(nla);
if (swkey->eth.type == htons(ETH_P_IP)) { sctp_key->sctp_src = output->tp.src;
sctp_key->sctp_src = output->ipv4.tp.src; sctp_key->sctp_dst = output->tp.dst;
sctp_key->sctp_dst = output->ipv4.tp.dst;
} else if (swkey->eth.type == htons(ETH_P_IPV6)) {
sctp_key->sctp_src = output->ipv6.tp.src;
sctp_key->sctp_dst = output->ipv6.tp.dst;
}
} else if (swkey->eth.type == htons(ETH_P_IP) && } else if (swkey->eth.type == htons(ETH_P_IP) &&
swkey->ip.proto == IPPROTO_ICMP) { swkey->ip.proto == IPPROTO_ICMP) {
struct ovs_key_icmp *icmp_key; struct ovs_key_icmp *icmp_key;
@ -1073,8 +1028,8 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
if (!nla) if (!nla)
goto nla_put_failure; goto nla_put_failure;
icmp_key = nla_data(nla); icmp_key = nla_data(nla);
icmp_key->icmp_type = ntohs(output->ipv4.tp.src); icmp_key->icmp_type = ntohs(output->tp.src);
icmp_key->icmp_code = ntohs(output->ipv4.tp.dst); icmp_key->icmp_code = ntohs(output->tp.dst);
} else if (swkey->eth.type == htons(ETH_P_IPV6) && } else if (swkey->eth.type == htons(ETH_P_IPV6) &&
swkey->ip.proto == IPPROTO_ICMPV6) { swkey->ip.proto == IPPROTO_ICMPV6) {
struct ovs_key_icmpv6 *icmpv6_key; struct ovs_key_icmpv6 *icmpv6_key;
@ -1084,8 +1039,8 @@ int ovs_nla_put_flow(const struct sw_flow_key *swkey,
if (!nla) if (!nla)
goto nla_put_failure; goto nla_put_failure;
icmpv6_key = nla_data(nla); icmpv6_key = nla_data(nla);
icmpv6_key->icmpv6_type = ntohs(output->ipv6.tp.src); icmpv6_key->icmpv6_type = ntohs(output->tp.src);
icmpv6_key->icmpv6_code = ntohs(output->ipv6.tp.dst); icmpv6_key->icmpv6_code = ntohs(output->tp.dst);
if (icmpv6_key->icmpv6_type == NDISC_NEIGHBOUR_SOLICITATION || if (icmpv6_key->icmpv6_type == NDISC_NEIGHBOUR_SOLICITATION ||
icmpv6_key->icmpv6_type == NDISC_NEIGHBOUR_ADVERTISEMENT) { icmpv6_key->icmpv6_type == NDISC_NEIGHBOUR_ADVERTISEMENT) {
@ -1263,13 +1218,10 @@ static int validate_and_copy_sample(const struct nlattr *attr,
static int validate_tp_port(const struct sw_flow_key *flow_key) static int validate_tp_port(const struct sw_flow_key *flow_key)
{ {
if (flow_key->eth.type == htons(ETH_P_IP)) { if ((flow_key->eth.type == htons(ETH_P_IP) ||
if (flow_key->ipv4.tp.src || flow_key->ipv4.tp.dst) flow_key->eth.type == htons(ETH_P_IPV6)) &&
return 0; (flow_key->tp.src || flow_key->tp.dst))
} else if (flow_key->eth.type == htons(ETH_P_IPV6)) { return 0;
if (flow_key->ipv6.tp.src || flow_key->ipv6.tp.dst)
return 0;
}
return -EINVAL; return -EINVAL;
} }