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-rw-r--r--net/openvswitch/actions.c355
1 files changed, 223 insertions, 132 deletions
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 8c4229b11c34..764fdc39c63b 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -28,10 +28,12 @@
#include <linux/in6.h>
#include <linux/if_arp.h>
#include <linux/if_vlan.h>
+
#include <net/ip.h>
#include <net/ipv6.h>
#include <net/checksum.h>
#include <net/dsfield.h>
+#include <net/mpls.h>
#include <net/sctp/checksum.h>
#include "datapath.h"
@@ -67,7 +69,7 @@ static void action_fifo_init(struct action_fifo *fifo)
fifo->tail = 0;
}
-static bool action_fifo_is_empty(struct action_fifo *fifo)
+static bool action_fifo_is_empty(const struct action_fifo *fifo)
{
return (fifo->head == fifo->tail);
}
@@ -90,7 +92,7 @@ static struct deferred_action *action_fifo_put(struct action_fifo *fifo)
/* Return true if fifo is not full */
static struct deferred_action *add_deferred_actions(struct sk_buff *skb,
- struct sw_flow_key *key,
+ const struct sw_flow_key *key,
const struct nlattr *attr)
{
struct action_fifo *fifo;
@@ -107,100 +109,131 @@ static struct deferred_action *add_deferred_actions(struct sk_buff *skb,
return da;
}
-static int make_writable(struct sk_buff *skb, int write_len)
+static void invalidate_flow_key(struct sw_flow_key *key)
+{
+ key->eth.type = htons(0);
+}
+
+static bool is_flow_key_valid(const struct sw_flow_key *key)
{
- if (!pskb_may_pull(skb, write_len))
+ return !!key->eth.type;
+}
+
+static int push_mpls(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct ovs_action_push_mpls *mpls)
+{
+ __be32 *new_mpls_lse;
+ struct ethhdr *hdr;
+
+ /* Networking stack do not allow simultaneous Tunnel and MPLS GSO. */
+ if (skb->encapsulation)
+ return -ENOTSUPP;
+
+ if (skb_cow_head(skb, MPLS_HLEN) < 0)
return -ENOMEM;
- if (!skb_cloned(skb) || skb_clone_writable(skb, write_len))
- return 0;
+ skb_push(skb, MPLS_HLEN);
+ memmove(skb_mac_header(skb) - MPLS_HLEN, skb_mac_header(skb),
+ skb->mac_len);
+ skb_reset_mac_header(skb);
+
+ new_mpls_lse = (__be32 *)skb_mpls_header(skb);
+ *new_mpls_lse = mpls->mpls_lse;
- return pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->csum = csum_add(skb->csum, csum_partial(new_mpls_lse,
+ MPLS_HLEN, 0));
+
+ hdr = eth_hdr(skb);
+ hdr->h_proto = mpls->mpls_ethertype;
+
+ skb_set_inner_protocol(skb, skb->protocol);
+ skb->protocol = mpls->mpls_ethertype;
+
+ invalidate_flow_key(key);
+ return 0;
}
-/* remove VLAN header from packet and update csum accordingly. */
-static int __pop_vlan_tci(struct sk_buff *skb, __be16 *current_tci)
+static int pop_mpls(struct sk_buff *skb, struct sw_flow_key *key,
+ const __be16 ethertype)
{
- struct vlan_hdr *vhdr;
+ struct ethhdr *hdr;
int err;
- err = make_writable(skb, VLAN_ETH_HLEN);
+ err = skb_ensure_writable(skb, skb->mac_len + MPLS_HLEN);
if (unlikely(err))
return err;
- if (skb->ip_summed == CHECKSUM_COMPLETE)
- skb->csum = csum_sub(skb->csum, csum_partial(skb->data
- + (2 * ETH_ALEN), VLAN_HLEN, 0));
+ skb_postpull_rcsum(skb, skb_mpls_header(skb), MPLS_HLEN);
- vhdr = (struct vlan_hdr *)(skb->data + ETH_HLEN);
- *current_tci = vhdr->h_vlan_TCI;
+ memmove(skb_mac_header(skb) + MPLS_HLEN, skb_mac_header(skb),
+ skb->mac_len);
- memmove(skb->data + VLAN_HLEN, skb->data, 2 * ETH_ALEN);
- __skb_pull(skb, VLAN_HLEN);
+ __skb_pull(skb, MPLS_HLEN);
+ skb_reset_mac_header(skb);
- vlan_set_encap_proto(skb, vhdr);
- skb->mac_header += VLAN_HLEN;
- if (skb_network_offset(skb) < ETH_HLEN)
- skb_set_network_header(skb, ETH_HLEN);
- skb_reset_mac_len(skb);
+ /* skb_mpls_header() is used to locate the ethertype
+ * field correctly in the presence of VLAN tags.
+ */
+ hdr = (struct ethhdr *)(skb_mpls_header(skb) - ETH_HLEN);
+ hdr->h_proto = ethertype;
+ if (eth_p_mpls(skb->protocol))
+ skb->protocol = ethertype;
+ invalidate_flow_key(key);
return 0;
}
-static int pop_vlan(struct sk_buff *skb)
+static int set_mpls(struct sk_buff *skb, struct sw_flow_key *key,
+ const __be32 *mpls_lse)
{
- __be16 tci;
+ __be32 *stack;
int err;
- if (likely(vlan_tx_tag_present(skb))) {
- skb->vlan_tci = 0;
- } else {
- if (unlikely(skb->protocol != htons(ETH_P_8021Q) ||
- skb->len < VLAN_ETH_HLEN))
- return 0;
-
- err = __pop_vlan_tci(skb, &tci);
- if (err)
- return err;
- }
- /* move next vlan tag to hw accel tag */
- if (likely(skb->protocol != htons(ETH_P_8021Q) ||
- skb->len < VLAN_ETH_HLEN))
- return 0;
-
- err = __pop_vlan_tci(skb, &tci);
+ err = skb_ensure_writable(skb, skb->mac_len + MPLS_HLEN);
if (unlikely(err))
return err;
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(tci));
+ stack = (__be32 *)skb_mpls_header(skb);
+ if (skb->ip_summed == CHECKSUM_COMPLETE) {
+ __be32 diff[] = { ~(*stack), *mpls_lse };
+ skb->csum = ~csum_partial((char *)diff, sizeof(diff),
+ ~skb->csum);
+ }
+
+ *stack = *mpls_lse;
+ key->mpls.top_lse = *mpls_lse;
return 0;
}
-static int push_vlan(struct sk_buff *skb, const struct ovs_action_push_vlan *vlan)
+static int pop_vlan(struct sk_buff *skb, struct sw_flow_key *key)
{
- if (unlikely(vlan_tx_tag_present(skb))) {
- u16 current_tag;
-
- /* push down current VLAN tag */
- current_tag = vlan_tx_tag_get(skb);
-
- if (!__vlan_put_tag(skb, skb->vlan_proto, current_tag))
- return -ENOMEM;
+ int err;
- if (skb->ip_summed == CHECKSUM_COMPLETE)
- skb->csum = csum_add(skb->csum, csum_partial(skb->data
- + (2 * ETH_ALEN), VLAN_HLEN, 0));
+ err = skb_vlan_pop(skb);
+ if (vlan_tx_tag_present(skb))
+ invalidate_flow_key(key);
+ else
+ key->eth.tci = 0;
+ return err;
+}
- }
- __vlan_hwaccel_put_tag(skb, vlan->vlan_tpid, ntohs(vlan->vlan_tci) & ~VLAN_TAG_PRESENT);
- return 0;
+static int push_vlan(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct ovs_action_push_vlan *vlan)
+{
+ if (vlan_tx_tag_present(skb))
+ invalidate_flow_key(key);
+ else
+ key->eth.tci = vlan->vlan_tci;
+ return skb_vlan_push(skb, vlan->vlan_tpid,
+ ntohs(vlan->vlan_tci) & ~VLAN_TAG_PRESENT);
}
-static int set_eth_addr(struct sk_buff *skb,
+static int set_eth_addr(struct sk_buff *skb, struct sw_flow_key *key,
const struct ovs_key_ethernet *eth_key)
{
int err;
- err = make_writable(skb, ETH_HLEN);
+ err = skb_ensure_writable(skb, ETH_HLEN);
if (unlikely(err))
return err;
@@ -211,11 +244,13 @@ static int set_eth_addr(struct sk_buff *skb,
ovs_skb_postpush_rcsum(skb, eth_hdr(skb), ETH_ALEN * 2);
+ ether_addr_copy(key->eth.src, eth_key->eth_src);
+ ether_addr_copy(key->eth.dst, eth_key->eth_dst);
return 0;
}
static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh,
- __be32 *addr, __be32 new_addr)
+ __be32 *addr, __be32 new_addr)
{
int transport_len = skb->len - skb_transport_offset(skb);
@@ -298,42 +333,52 @@ static void set_ip_ttl(struct sk_buff *skb, struct iphdr *nh, u8 new_ttl)
nh->ttl = new_ttl;
}
-static int set_ipv4(struct sk_buff *skb, const struct ovs_key_ipv4 *ipv4_key)
+static int set_ipv4(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct ovs_key_ipv4 *ipv4_key)
{
struct iphdr *nh;
int err;
- err = make_writable(skb, skb_network_offset(skb) +
- sizeof(struct iphdr));
+ err = skb_ensure_writable(skb, skb_network_offset(skb) +
+ sizeof(struct iphdr));
if (unlikely(err))
return err;
nh = ip_hdr(skb);
- if (ipv4_key->ipv4_src != nh->saddr)
+ if (ipv4_key->ipv4_src != nh->saddr) {
set_ip_addr(skb, nh, &nh->saddr, ipv4_key->ipv4_src);
+ key->ipv4.addr.src = ipv4_key->ipv4_src;
+ }
- if (ipv4_key->ipv4_dst != nh->daddr)
+ if (ipv4_key->ipv4_dst != nh->daddr) {
set_ip_addr(skb, nh, &nh->daddr, ipv4_key->ipv4_dst);
+ key->ipv4.addr.dst = ipv4_key->ipv4_dst;
+ }
- if (ipv4_key->ipv4_tos != nh->tos)
+ if (ipv4_key->ipv4_tos != nh->tos) {
ipv4_change_dsfield(nh, 0, ipv4_key->ipv4_tos);
+ key->ip.tos = nh->tos;
+ }
- if (ipv4_key->ipv4_ttl != nh->ttl)
+ if (ipv4_key->ipv4_ttl != nh->ttl) {
set_ip_ttl(skb, nh, ipv4_key->ipv4_ttl);
+ key->ip.ttl = ipv4_key->ipv4_ttl;
+ }
return 0;
}
-static int set_ipv6(struct sk_buff *skb, const struct ovs_key_ipv6 *ipv6_key)
+static int set_ipv6(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct ovs_key_ipv6 *ipv6_key)
{
struct ipv6hdr *nh;
int err;
__be32 *saddr;
__be32 *daddr;
- err = make_writable(skb, skb_network_offset(skb) +
- sizeof(struct ipv6hdr));
+ err = skb_ensure_writable(skb, skb_network_offset(skb) +
+ sizeof(struct ipv6hdr));
if (unlikely(err))
return err;
@@ -341,9 +386,12 @@ static int set_ipv6(struct sk_buff *skb, const struct ovs_key_ipv6 *ipv6_key)
saddr = (__be32 *)&nh->saddr;
daddr = (__be32 *)&nh->daddr;
- if (memcmp(ipv6_key->ipv6_src, saddr, sizeof(ipv6_key->ipv6_src)))
+ if (memcmp(ipv6_key->ipv6_src, saddr, sizeof(ipv6_key->ipv6_src))) {
set_ipv6_addr(skb, ipv6_key->ipv6_proto, saddr,
ipv6_key->ipv6_src, true);
+ memcpy(&key->ipv6.addr.src, ipv6_key->ipv6_src,
+ sizeof(ipv6_key->ipv6_src));
+ }
if (memcmp(ipv6_key->ipv6_dst, daddr, sizeof(ipv6_key->ipv6_dst))) {
unsigned int offset = 0;
@@ -357,16 +405,22 @@ static int set_ipv6(struct sk_buff *skb, const struct ovs_key_ipv6 *ipv6_key)
set_ipv6_addr(skb, ipv6_key->ipv6_proto, daddr,
ipv6_key->ipv6_dst, recalc_csum);
+ memcpy(&key->ipv6.addr.dst, ipv6_key->ipv6_dst,
+ sizeof(ipv6_key->ipv6_dst));
}
set_ipv6_tc(nh, ipv6_key->ipv6_tclass);
+ key->ip.tos = ipv6_get_dsfield(nh);
+
set_ipv6_fl(nh, ntohl(ipv6_key->ipv6_label));
- nh->hop_limit = ipv6_key->ipv6_hlimit;
+ key->ipv6.label = *(__be32 *)nh & htonl(IPV6_FLOWINFO_FLOWLABEL);
+ nh->hop_limit = ipv6_key->ipv6_hlimit;
+ key->ip.ttl = ipv6_key->ipv6_hlimit;
return 0;
}
-/* Must follow make_writable() since that can move the skb data. */
+/* Must follow skb_ensure_writable() since that can move the skb data. */
static void set_tp_port(struct sk_buff *skb, __be16 *port,
__be16 new_port, __sum16 *check)
{
@@ -390,54 +444,64 @@ static void set_udp_port(struct sk_buff *skb, __be16 *port, __be16 new_port)
}
}
-static int set_udp(struct sk_buff *skb, const struct ovs_key_udp *udp_port_key)
+static int set_udp(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct ovs_key_udp *udp_port_key)
{
struct udphdr *uh;
int err;
- err = make_writable(skb, skb_transport_offset(skb) +
- sizeof(struct udphdr));
+ err = skb_ensure_writable(skb, skb_transport_offset(skb) +
+ sizeof(struct udphdr));
if (unlikely(err))
return err;
uh = udp_hdr(skb);
- if (udp_port_key->udp_src != uh->source)
+ if (udp_port_key->udp_src != uh->source) {
set_udp_port(skb, &uh->source, udp_port_key->udp_src);
+ key->tp.src = udp_port_key->udp_src;
+ }
- if (udp_port_key->udp_dst != uh->dest)
+ if (udp_port_key->udp_dst != uh->dest) {
set_udp_port(skb, &uh->dest, udp_port_key->udp_dst);
+ key->tp.dst = udp_port_key->udp_dst;
+ }
return 0;
}
-static int set_tcp(struct sk_buff *skb, const struct ovs_key_tcp *tcp_port_key)
+static int set_tcp(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct ovs_key_tcp *tcp_port_key)
{
struct tcphdr *th;
int err;
- err = make_writable(skb, skb_transport_offset(skb) +
- sizeof(struct tcphdr));
+ err = skb_ensure_writable(skb, skb_transport_offset(skb) +
+ sizeof(struct tcphdr));
if (unlikely(err))
return err;
th = tcp_hdr(skb);
- if (tcp_port_key->tcp_src != th->source)
+ if (tcp_port_key->tcp_src != th->source) {
set_tp_port(skb, &th->source, tcp_port_key->tcp_src, &th->check);
+ key->tp.src = tcp_port_key->tcp_src;
+ }
- if (tcp_port_key->tcp_dst != th->dest)
+ if (tcp_port_key->tcp_dst != th->dest) {
set_tp_port(skb, &th->dest, tcp_port_key->tcp_dst, &th->check);
+ key->tp.dst = tcp_port_key->tcp_dst;
+ }
return 0;
}
-static int set_sctp(struct sk_buff *skb,
- const struct ovs_key_sctp *sctp_port_key)
+static int set_sctp(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct ovs_key_sctp *sctp_port_key)
{
struct sctphdr *sh;
int err;
unsigned int sctphoff = skb_transport_offset(skb);
- err = make_writable(skb, sctphoff + sizeof(struct sctphdr));
+ err = skb_ensure_writable(skb, sctphoff + sizeof(struct sctphdr));
if (unlikely(err))
return err;
@@ -458,39 +522,35 @@ static int set_sctp(struct sk_buff *skb,
sh->checksum = old_csum ^ old_correct_csum ^ new_csum;
skb_clear_hash(skb);
+ key->tp.src = sctp_port_key->sctp_src;
+ key->tp.dst = sctp_port_key->sctp_dst;
}
return 0;
}
-static int do_output(struct datapath *dp, struct sk_buff *skb, int out_port)
+static void do_output(struct datapath *dp, struct sk_buff *skb, int out_port)
{
- struct vport *vport;
-
- if (unlikely(!skb))
- return -ENOMEM;
+ struct vport *vport = ovs_vport_rcu(dp, out_port);
- vport = ovs_vport_rcu(dp, out_port);
- if (unlikely(!vport)) {
+ if (likely(vport))
+ ovs_vport_send(vport, skb);
+ else
kfree_skb(skb);
- return -ENODEV;
- }
-
- ovs_vport_send(vport, skb);
- return 0;
}
static int output_userspace(struct datapath *dp, struct sk_buff *skb,
struct sw_flow_key *key, const struct nlattr *attr)
{
+ struct ovs_tunnel_info info;
struct dp_upcall_info upcall;
const struct nlattr *a;
int rem;
upcall.cmd = OVS_PACKET_CMD_ACTION;
- upcall.key = key;
upcall.userdata = NULL;
upcall.portid = 0;
+ upcall.egress_tun_info = NULL;
for (a = nla_data(attr), rem = nla_len(attr); rem > 0;
a = nla_next(a, &rem)) {
@@ -502,15 +562,27 @@ static int output_userspace(struct datapath *dp, struct sk_buff *skb,
case OVS_USERSPACE_ATTR_PID:
upcall.portid = nla_get_u32(a);
break;
+
+ case OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: {
+ /* Get out tunnel info. */
+ struct vport *vport;
+
+ vport = ovs_vport_rcu(dp, nla_get_u32(a));
+ if (vport) {
+ int err;
+
+ err = ovs_vport_get_egress_tun_info(vport, skb,
+ &info);
+ if (!err)
+ upcall.egress_tun_info = &info;
+ }
+ break;
}
- }
- return ovs_dp_upcall(dp, skb, &upcall);
-}
+ } /* End of switch. */
+ }
-static bool last_action(const struct nlattr *a, int rem)
-{
- return a->nla_len == rem;
+ return ovs_dp_upcall(dp, skb, key, &upcall);
}
static int sample(struct datapath *dp, struct sk_buff *skb,
@@ -547,7 +619,7 @@ static int sample(struct datapath *dp, struct sk_buff *skb,
* user space. This skb will be consumed by its caller.
*/
if (likely(nla_type(a) == OVS_ACTION_ATTR_USERSPACE &&
- last_action(a, rem)))
+ nla_is_last(a, rem)))
return output_userspace(dp, skb, key, a);
skb = skb_clone(skb, GFP_ATOMIC);
@@ -580,18 +652,20 @@ static void execute_hash(struct sk_buff *skb, struct sw_flow_key *key,
key->ovs_flow_hash = hash;
}
-static int execute_set_action(struct sk_buff *skb,
- const struct nlattr *nested_attr)
+static int execute_set_action(struct sk_buff *skb, struct sw_flow_key *key,
+ const struct nlattr *nested_attr)
{
int err = 0;
switch (nla_type(nested_attr)) {
case OVS_KEY_ATTR_PRIORITY:
skb->priority = nla_get_u32(nested_attr);
+ key->phy.priority = skb->priority;
break;
case OVS_KEY_ATTR_SKB_MARK:
skb->mark = nla_get_u32(nested_attr);
+ key->phy.skb_mark = skb->mark;
break;
case OVS_KEY_ATTR_TUNNEL_INFO:
@@ -599,27 +673,31 @@ static int execute_set_action(struct sk_buff *skb,
break;
case OVS_KEY_ATTR_ETHERNET:
- err = set_eth_addr(skb, nla_data(nested_attr));
+ err = set_eth_addr(skb, key, nla_data(nested_attr));
break;
case OVS_KEY_ATTR_IPV4:
- err = set_ipv4(skb, nla_data(nested_attr));
+ err = set_ipv4(skb, key, nla_data(nested_attr));
break;
case OVS_KEY_ATTR_IPV6:
- err = set_ipv6(skb, nla_data(nested_attr));
+ err = set_ipv6(skb, key, nla_data(nested_attr));
break;
case OVS_KEY_ATTR_TCP:
- err = set_tcp(skb, nla_data(nested_attr));
+ err = set_tcp(skb, key, nla_data(nested_attr));
break;
case OVS_KEY_ATTR_UDP:
- err = set_udp(skb, nla_data(nested_attr));
+ err = set_udp(skb, key, nla_data(nested_attr));
break;
case OVS_KEY_ATTR_SCTP:
- err = set_sctp(skb, nla_data(nested_attr));
+ err = set_sctp(skb, key, nla_data(nested_attr));
+ break;
+
+ case OVS_KEY_ATTR_MPLS:
+ err = set_mpls(skb, key, nla_data(nested_attr));
break;
}
@@ -631,13 +709,17 @@ static int execute_recirc(struct datapath *dp, struct sk_buff *skb,
const struct nlattr *a, int rem)
{
struct deferred_action *da;
- int err;
- err = ovs_flow_key_update(skb, key);
- if (err)
- return err;
+ if (!is_flow_key_valid(key)) {
+ int err;
+
+ err = ovs_flow_key_update(skb, key);
+ if (err)
+ return err;
+ }
+ BUG_ON(!is_flow_key_valid(key));
- if (!last_action(a, rem)) {
+ if (!nla_is_last(a, rem)) {
/* Recirc action is the not the last action
* of the action list, need to clone the skb.
*/
@@ -672,7 +754,8 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
/* Every output action needs a separate clone of 'skb', but the common
* case is just a single output action, so that doing a clone and
* then freeing the original skbuff is wasteful. So the following code
- * is slightly obscure just to avoid that. */
+ * is slightly obscure just to avoid that.
+ */
int prev_port = -1;
const struct nlattr *a;
int rem;
@@ -681,8 +764,12 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
a = nla_next(a, &rem)) {
int err = 0;
- if (prev_port != -1) {
- do_output(dp, skb_clone(skb, GFP_ATOMIC), prev_port);
+ if (unlikely(prev_port != -1)) {
+ struct sk_buff *out_skb = skb_clone(skb, GFP_ATOMIC);
+
+ if (out_skb)
+ do_output(dp, out_skb, prev_port);
+
prev_port = -1;
}
@@ -699,19 +786,25 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
execute_hash(skb, key, a);
break;
+ case OVS_ACTION_ATTR_PUSH_MPLS:
+ err = push_mpls(skb, key, nla_data(a));
+ break;
+
+ case OVS_ACTION_ATTR_POP_MPLS:
+ err = pop_mpls(skb, key, nla_get_be16(a));
+ break;
+
case OVS_ACTION_ATTR_PUSH_VLAN:
- err = push_vlan(skb, nla_data(a));
- if (unlikely(err)) /* skb already freed. */
- return err;
+ err = push_vlan(skb, key, nla_data(a));
break;
case OVS_ACTION_ATTR_POP_VLAN:
- err = pop_vlan(skb);
+ err = pop_vlan(skb, key);
break;
case OVS_ACTION_ATTR_RECIRC:
err = execute_recirc(dp, skb, key, a, rem);
- if (last_action(a, rem)) {
+ if (nla_is_last(a, rem)) {
/* If this is the last action, the skb has
* been consumed or freed.
* Return immediately.
@@ -721,7 +814,7 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
break;
case OVS_ACTION_ATTR_SET:
- err = execute_set_action(skb, nla_data(a));
+ err = execute_set_action(skb, key, nla_data(a));
break;
case OVS_ACTION_ATTR_SAMPLE:
@@ -771,14 +864,12 @@ static void process_deferred_actions(struct datapath *dp)
/* Execute a list of actions against 'skb'. */
int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb,
+ const struct sw_flow_actions *acts,
struct sw_flow_key *key)
{
int level = this_cpu_read(exec_actions_level);
- struct sw_flow_actions *acts;
int err;
- acts = rcu_dereference(OVS_CB(skb)->flow->sf_acts);
-
this_cpu_inc(exec_actions_level);
OVS_CB(skb)->egress_tun_info = NULL;
err = do_execute_actions(dp, skb, key,