#include <linux/netfilter_ipv4.h>
#include <linux/inetdevice.h>
#include <linux/list.h>
+#include <linux/openvswitch.h>
#include <linux/rculist.h>
#include <linux/dmi.h>
#include <net/inet_ecn.h>
#include <net/genetlink.h>
-#include "openvswitch/datapath-protocol.h"
#include "checksum.h"
#include "datapath.h"
#include "actions.h"
#include "vport-internal_dev.h"
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) || \
- LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
-#error Kernels before 2.6.18 or after 3.0 are not supported by this version of Open vSwitch.
+ LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)
+#error Kernels before 2.6.18 or after 3.1 are not supported by this version of Open vSwitch.
#endif
int (*dp_ioctl_hook)(struct net_device *dev, struct ifreq *rq, int cmd);
* etc.) are protected by RTNL.
*
* Writes to other state (flow table modifications, set miscellaneous datapath
- * parameters such as drop frags, etc.) are protected by genl_mutex. The RTNL
- * lock nests inside genl_mutex.
+ * parameters, etc.) are protected by genl_mutex. The RTNL lock nests inside
+ * genl_mutex.
*
* Reads are protected by RCU.
*
static LIST_HEAD(dps);
static struct vport *new_vport(const struct vport_parms *);
-static int queue_userspace_packets(struct datapath *, struct sk_buff *,
- const struct dp_upcall_info *);
+static int queue_gso_packets(int dp_ifindex, struct sk_buff *,
+ const struct dp_upcall_info *);
+static int queue_userspace_packet(int dp_ifindex, struct sk_buff *,
+ const struct dp_upcall_info *);
/* Must be called with rcu_read_lock, genl_mutex, or RTNL lock. */
struct datapath *get_dp(int dp_ifindex)
if (!OVS_CB(skb)->flow) {
struct sw_flow_key key;
int key_len;
- bool is_frag;
/* Extract flow from 'skb' into 'key'. */
- error = flow_extract(skb, p->port_no, &key, &key_len, &is_frag);
+ error = flow_extract(skb, p->port_no, &key, &key_len);
if (unlikely(error)) {
kfree_skb(skb);
return;
}
- if (is_frag && dp->drop_frags) {
- consume_skb(skb);
- stats_counter = &stats->n_frags;
- goto out;
- }
-
/* Look up flow. */
flow = flow_tbl_lookup(rcu_dereference(dp->table), &key, key_len);
if (unlikely(!flow)) {
upcall.userdata = NULL;
upcall.pid = p->upcall_pid;
dp_upcall(dp, skb, &upcall);
- kfree_skb(skb);
+ consume_skb(skb);
stats_counter = &stats->n_missed;
goto out;
}
.id = GENL_ID_GENERATE,
.hdrsize = sizeof(struct ovs_header),
.name = OVS_PACKET_FAMILY,
- .version = 1,
+ .version = OVS_PACKET_VERSION,
.maxattr = OVS_PACKET_ATTR_MAX
};
int dp_upcall(struct datapath *dp, struct sk_buff *skb,
const struct dp_upcall_info *upcall_info)
{
- struct sk_buff *segs = NULL;
struct dp_stats_percpu *stats;
+ int dp_ifindex;
int err;
if (upcall_info->pid == 0) {
goto err;
}
- forward_ip_summed(skb, true);
-
- /* Break apart GSO packets into their component pieces. Otherwise
- * userspace may try to stuff a 64kB packet into a 1500-byte MTU. */
- if (skb_is_gso(skb)) {
- segs = skb_gso_segment(skb, NETIF_F_SG | NETIF_F_HW_CSUM);
-
- if (IS_ERR(segs)) {
- err = PTR_ERR(segs);
- goto err;
- }
- skb = segs;
+ dp_ifindex = get_dpifindex(dp);
+ if (!dp_ifindex) {
+ err = -ENODEV;
+ goto err;
}
- err = queue_userspace_packets(dp, skb, upcall_info);
- if (segs) {
- struct sk_buff *next;
- /* Free GSO-segments */
- do {
- next = segs->next;
- kfree_skb(segs);
- } while ((segs = next) != NULL);
- }
+ forward_ip_summed(skb, true);
+ if (!skb_is_gso(skb))
+ err = queue_userspace_packet(dp_ifindex, skb, upcall_info);
+ else
+ err = queue_gso_packets(dp_ifindex, skb, upcall_info);
if (err)
goto err;
return err;
}
-/* Send each packet in the 'skb' list to userspace for 'dp' as directed by
- * 'upcall_info'. There will be only one packet unless we broke up a GSO
- * packet.
- */
-static int queue_userspace_packets(struct datapath *dp, struct sk_buff *skb,
- const struct dp_upcall_info *upcall_info)
+static int queue_gso_packets(int dp_ifindex, struct sk_buff *skb,
+ const struct dp_upcall_info *upcall_info)
{
- int dp_ifindex;
+ struct dp_upcall_info later_info;
+ struct sw_flow_key later_key;
+ struct sk_buff *segs, *nskb;
+ int err;
- dp_ifindex = get_dpifindex(dp);
- if (!dp_ifindex)
- return -ENODEV;
+ segs = skb_gso_segment(skb, NETIF_F_SG | NETIF_F_HW_CSUM);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+ /* Queue all of the segments. */
+ skb = segs;
do {
- struct ovs_header *upcall;
- struct sk_buff *user_skb; /* to be queued to userspace */
- struct nlattr *nla;
- unsigned int len;
- int err;
-
- err = vlan_deaccel_tag(skb);
- if (unlikely(err))
- return err;
-
- if (nla_attr_size(skb->len) > USHRT_MAX)
- return -EFBIG;
-
- len = sizeof(struct ovs_header);
- len += nla_total_size(skb->len);
- len += nla_total_size(FLOW_BUFSIZE);
- if (upcall_info->cmd == OVS_PACKET_CMD_ACTION)
- len += nla_total_size(8);
-
- user_skb = genlmsg_new(len, GFP_ATOMIC);
- if (!user_skb)
- return -ENOMEM;
-
- upcall = genlmsg_put(user_skb, 0, 0, &dp_packet_genl_family,
- 0, upcall_info->cmd);
- upcall->dp_ifindex = dp_ifindex;
-
- nla = nla_nest_start(user_skb, OVS_PACKET_ATTR_KEY);
- flow_to_nlattrs(upcall_info->key, user_skb);
- nla_nest_end(user_skb, nla);
-
- if (upcall_info->userdata)
- nla_put_u64(user_skb, OVS_PACKET_ATTR_USERDATA,
- nla_get_u64(upcall_info->userdata));
-
- nla = __nla_reserve(user_skb, OVS_PACKET_ATTR_PACKET, skb->len);
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- copy_and_csum_skb(skb, nla_data(nla));
- else
- skb_copy_bits(skb, 0, nla_data(nla), skb->len);
-
- err = genlmsg_unicast(&init_net, user_skb, upcall_info->pid);
+ err = queue_userspace_packet(dp_ifindex, skb, upcall_info);
if (err)
- return err;
+ break;
+ if (skb == segs && skb_shinfo(skb)->gso_type & SKB_GSO_UDP) {
+ /* The initial flow key extracted by flow_extract() in
+ * this case is for a first fragment, so we need to
+ * properly mark later fragments.
+ */
+ later_key = *upcall_info->key;
+ later_key.ip.tos_frag &= ~OVS_FRAG_TYPE_MASK;
+ later_key.ip.tos_frag |= OVS_FRAG_TYPE_LATER;
+
+ later_info = *upcall_info;
+ later_info.key = &later_key;
+ upcall_info = &later_info;
+ }
} while ((skb = skb->next));
- return 0;
+ /* Free all of the segments. */
+ skb = segs;
+ do {
+ nskb = skb->next;
+ if (err)
+ kfree_skb(skb);
+ else
+ consume_skb(skb);
+ } while ((skb = nskb));
+ return err;
+}
+
+static int queue_userspace_packet(int dp_ifindex, struct sk_buff *skb,
+ const struct dp_upcall_info *upcall_info)
+{
+ struct ovs_header *upcall;
+ struct sk_buff *user_skb; /* to be queued to userspace */
+ struct nlattr *nla;
+ unsigned int len;
+ int err;
+
+ err = vlan_deaccel_tag(skb);
+ if (unlikely(err))
+ return err;
+
+ if (nla_attr_size(skb->len) > USHRT_MAX)
+ return -EFBIG;
+
+ len = sizeof(struct ovs_header);
+ len += nla_total_size(skb->len);
+ len += nla_total_size(FLOW_BUFSIZE);
+ if (upcall_info->cmd == OVS_PACKET_CMD_ACTION)
+ len += nla_total_size(8);
+
+ user_skb = genlmsg_new(len, GFP_ATOMIC);
+ if (!user_skb)
+ return -ENOMEM;
+
+ upcall = genlmsg_put(user_skb, 0, 0, &dp_packet_genl_family,
+ 0, upcall_info->cmd);
+ upcall->dp_ifindex = dp_ifindex;
+
+ nla = nla_nest_start(user_skb, OVS_PACKET_ATTR_KEY);
+ flow_to_nlattrs(upcall_info->key, user_skb);
+ nla_nest_end(user_skb, nla);
+
+ if (upcall_info->userdata)
+ nla_put_u64(user_skb, OVS_PACKET_ATTR_USERDATA,
+ nla_get_u64(upcall_info->userdata));
+
+ nla = __nla_reserve(user_skb, OVS_PACKET_ATTR_PACKET, skb->len);
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ copy_and_csum_skb(skb, nla_data(nla));
+ else
+ skb_copy_bits(skb, 0, nla_data(nla), skb->len);
+
+ return genlmsg_unicast(&init_net, user_skb, upcall_info->pid);
}
/* Called with genl_mutex. */
return 0;
}
-static int validate_actions(const struct nlattr *attr, int depth);
+static int validate_actions(const struct nlattr *attr,
+ const struct sw_flow_key *key, int depth);
-static int validate_sample(const struct nlattr *attr, int depth)
+static int validate_sample(const struct nlattr *attr,
+ const struct sw_flow_key *key, int depth)
{
static const struct nla_policy sample_policy[OVS_SAMPLE_ATTR_MAX + 1] =
{
if (!a[OVS_SAMPLE_ATTR_ACTIONS])
return -EINVAL;
- return validate_actions(a[OVS_SAMPLE_ATTR_ACTIONS], (depth + 1));
+ return validate_actions(a[OVS_SAMPLE_ATTR_ACTIONS], key, (depth + 1));
+}
+
+static int validate_action_key(const struct nlattr *a,
+ const struct sw_flow_key *flow_key)
+{
+ int act_type = nla_type(a);
+ const struct nlattr *ovs_key = nla_data(a);
+ int key_type = nla_type(ovs_key);
+
+ /* There can be only one key in a action */
+ if (nla_total_size(nla_len(ovs_key)) != nla_len(a))
+ return -EINVAL;
+
+ if (key_type > OVS_KEY_ATTR_MAX ||
+ nla_len(ovs_key) != ovs_key_lens[key_type])
+ return -EINVAL;
+
+#define ACTION(act, key) ((act << 8) | key)
+
+ switch(ACTION(act_type, key_type)) {
+ const struct ovs_key_ipv4 *ipv4_key;
+ const struct ovs_key_8021q *q_key;
+
+ case ACTION(OVS_ACTION_ATTR_SET, OVS_KEY_ATTR_TUN_ID):
+ case ACTION(OVS_ACTION_ATTR_SET, OVS_KEY_ATTR_ETHERNET):
+ break;
+
+ case ACTION(OVS_ACTION_ATTR_PUSH, OVS_KEY_ATTR_8021Q):
+ q_key = nla_data(ovs_key);
+ if (q_key->q_tpid != htons(ETH_P_8021Q))
+ return -EINVAL;
+
+ if (q_key->q_tci & htons(VLAN_TAG_PRESENT))
+ return -EINVAL;
+ break;
+
+ case ACTION(OVS_ACTION_ATTR_SET, OVS_KEY_ATTR_IPV4):
+ if (flow_key->eth.type != htons(ETH_P_IP))
+ return -EINVAL;
+
+ if (!flow_key->ipv4.addr.src || !flow_key->ipv4.addr.dst)
+ return -EINVAL;
+
+ ipv4_key = nla_data(ovs_key);
+ if (ipv4_key->ipv4_proto != flow_key->ip.proto)
+ return -EINVAL;
+
+ if (ipv4_key->ipv4_tos & INET_ECN_MASK)
+ return -EINVAL;
+
+ if (ipv4_key->ipv4_frag !=
+ (flow_key->ip.tos_frag & OVS_FRAG_TYPE_MASK))
+ return -EINVAL;
+
+ break;
+
+ case ACTION(OVS_ACTION_ATTR_SET, OVS_KEY_ATTR_TCP):
+ if (flow_key->ip.proto != IPPROTO_TCP)
+ return -EINVAL;
+
+ if (!flow_key->ipv4.tp.src || !flow_key->ipv4.tp.dst)
+ return -EINVAL;
+
+ break;
+
+ case ACTION(OVS_ACTION_ATTR_SET, OVS_KEY_ATTR_UDP):
+ if (flow_key->ip.proto != IPPROTO_UDP)
+ return -EINVAL;
+
+ if (!flow_key->ipv4.tp.src || !flow_key->ipv4.tp.dst)
+ return -EINVAL;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+#undef ACTION
+ return 0;
}
static int validate_userspace(const struct nlattr *attr)
return 0;
}
-static int validate_actions(const struct nlattr *attr, int depth)
+static int validate_actions(const struct nlattr *attr,
+ const struct sw_flow_key *key, int depth)
{
const struct nlattr *a;
int rem, err;
static const u32 action_lens[OVS_ACTION_ATTR_MAX + 1] = {
[OVS_ACTION_ATTR_OUTPUT] = 4,
[OVS_ACTION_ATTR_USERSPACE] = (u32)-1,
- [OVS_ACTION_ATTR_PUSH_VLAN] = 2,
- [OVS_ACTION_ATTR_POP_VLAN] = 0,
- [OVS_ACTION_ATTR_SET_DL_SRC] = ETH_ALEN,
- [OVS_ACTION_ATTR_SET_DL_DST] = ETH_ALEN,
- [OVS_ACTION_ATTR_SET_NW_SRC] = 4,
- [OVS_ACTION_ATTR_SET_NW_DST] = 4,
- [OVS_ACTION_ATTR_SET_NW_TOS] = 1,
- [OVS_ACTION_ATTR_SET_TP_SRC] = 2,
- [OVS_ACTION_ATTR_SET_TP_DST] = 2,
- [OVS_ACTION_ATTR_SET_TUNNEL] = 8,
+ [OVS_ACTION_ATTR_PUSH] = (u32)-1,
+ [OVS_ACTION_ATTR_POP] = 2,
+ [OVS_ACTION_ATTR_SET] = (u32)-1,
[OVS_ACTION_ATTR_SET_PRIORITY] = 4,
[OVS_ACTION_ATTR_POP_PRIORITY] = 0,
[OVS_ACTION_ATTR_SAMPLE] = (u32)-1
case OVS_ACTION_ATTR_UNSPEC:
return -EINVAL;
- case OVS_ACTION_ATTR_POP_VLAN:
- case OVS_ACTION_ATTR_SET_DL_SRC:
- case OVS_ACTION_ATTR_SET_DL_DST:
- case OVS_ACTION_ATTR_SET_NW_SRC:
- case OVS_ACTION_ATTR_SET_NW_DST:
- case OVS_ACTION_ATTR_SET_TP_SRC:
- case OVS_ACTION_ATTR_SET_TP_DST:
- case OVS_ACTION_ATTR_SET_TUNNEL:
case OVS_ACTION_ATTR_SET_PRIORITY:
case OVS_ACTION_ATTR_POP_PRIORITY:
/* No validation needed. */
return -EINVAL;
break;
- case OVS_ACTION_ATTR_PUSH_VLAN:
- if (nla_get_be16(a) & htons(VLAN_CFI_MASK))
+
+ case OVS_ACTION_ATTR_POP:
+ if (nla_get_u16(a) != OVS_KEY_ATTR_8021Q)
return -EINVAL;
break;
- case OVS_ACTION_ATTR_SET_NW_TOS:
- if (nla_get_u8(a) & INET_ECN_MASK)
- return -EINVAL;
+ case OVS_ACTION_ATTR_SET:
+ case OVS_ACTION_ATTR_PUSH:
+ err = validate_action_key(a, key);
+ if (err)
+ return err;
break;
case OVS_ACTION_ATTR_SAMPLE:
- err = validate_sample(a, depth);
+ err = validate_sample(a, key, depth);
if (err)
return err;
break;
default:
- return -EOPNOTSUPP;
+ return -EINVAL;
}
}
return 0;
}
+
static void clear_stats(struct sw_flow *flow)
{
flow->used = 0;
struct sw_flow *flow;
struct datapath *dp;
struct ethhdr *eth;
- bool is_frag;
int len;
int err;
int key_len;
nla_len(a[OVS_PACKET_ATTR_PACKET]) < ETH_HLEN)
goto err;
- err = validate_actions(a[OVS_PACKET_ATTR_ACTIONS], 0);
- if (err)
- goto err;
-
len = nla_len(a[OVS_PACKET_ATTR_PACKET]);
packet = __dev_alloc_skb(NET_IP_ALIGN + len, GFP_KERNEL);
err = -ENOMEM;
if (IS_ERR(flow))
goto err_kfree_skb;
- err = flow_extract(packet, -1, &flow->key, &key_len, &is_frag);
+ err = flow_extract(packet, -1, &flow->key, &key_len);
if (err)
goto err_flow_put;
if (err)
goto err_flow_put;
+ err = validate_actions(a[OVS_PACKET_ATTR_ACTIONS], &flow->key, 0);
+ if (err)
+ goto err_flow_put;
+
flow->hash = flow_hash(&flow->key, key_len);
acts = flow_actions_alloc(a[OVS_PACKET_ATTR_ACTIONS]);
stats->n_flows = flow_tbl_count(table);
- stats->n_frags = stats->n_hit = stats->n_missed = stats->n_lost = 0;
+ stats->n_hit = stats->n_missed = stats->n_lost = 0;
for_each_possible_cpu(i) {
const struct dp_stats_percpu *percpu_stats;
struct dp_stats_percpu local_stats;
local_stats = *percpu_stats;
} while (read_seqcount_retry(&percpu_stats->seqlock, seqcount));
- stats->n_frags += local_stats.n_frags;
stats->n_hit += local_stats.n_hit;
stats->n_missed += local_stats.n_missed;
stats->n_lost += local_stats.n_lost;
.id = GENL_ID_GENERATE,
.hdrsize = sizeof(struct ovs_header),
.name = OVS_FLOW_FAMILY,
- .version = 1,
+ .version = OVS_FLOW_VERSION,
.maxattr = OVS_FLOW_ATTR_MAX
};
/* Validate actions. */
if (a[OVS_FLOW_ATTR_ACTIONS]) {
- error = validate_actions(a[OVS_FLOW_ATTR_ACTIONS], 0);
+ error = validate_actions(a[OVS_FLOW_ATTR_ACTIONS], &key, 0);
if (error)
goto error;
} else if (info->genlhdr->cmd == OVS_FLOW_CMD_NEW) {
[OVS_DP_ATTR_NAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ - 1 },
#endif
[OVS_DP_ATTR_UPCALL_PID] = { .type = NLA_U32 },
- [OVS_DP_ATTR_IPV4_FRAGS] = { .type = NLA_U32 },
};
static struct genl_family dp_datapath_genl_family = {
.id = GENL_ID_GENERATE,
.hdrsize = sizeof(struct ovs_header),
.name = OVS_DATAPATH_FAMILY,
- .version = 1,
+ .version = OVS_DATAPATH_VERSION,
.maxattr = OVS_DP_ATTR_MAX
};
goto nla_put_failure;
get_dp_stats(dp, nla_data(nla));
- NLA_PUT_U32(skb, OVS_DP_ATTR_IPV4_FRAGS,
- dp->drop_frags ? OVS_DP_FRAG_DROP : OVS_DP_FRAG_ZERO);
-
return genlmsg_end(skb, ovs_header);
nla_put_failure:
static int ovs_dp_cmd_validate(struct nlattr *a[OVS_DP_ATTR_MAX + 1])
{
- if (a[OVS_DP_ATTR_IPV4_FRAGS]) {
- u32 frags = nla_get_u32(a[OVS_DP_ATTR_IPV4_FRAGS]);
-
- if (frags != OVS_DP_FRAG_ZERO && frags != OVS_DP_FRAG_DROP)
- return -EINVAL;
- }
-
return CHECK_NUL_STRING(a[OVS_DP_ATTR_NAME], IFNAMSIZ - 1);
}
return dp ? dp : ERR_PTR(-ENODEV);
}
-/* Called with genl_mutex. */
-static void change_datapath(struct datapath *dp, struct nlattr *a[OVS_DP_ATTR_MAX + 1])
-{
- if (a[OVS_DP_ATTR_IPV4_FRAGS])
- dp->drop_frags = nla_get_u32(a[OVS_DP_ATTR_IPV4_FRAGS]) == OVS_DP_FRAG_DROP;
-}
-
static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr **a = info->attrs;
int err;
err = -EINVAL;
- if (!a[OVS_DP_ATTR_NAME])
+ if (!a[OVS_DP_ATTR_NAME] || !a[OVS_DP_ATTR_UPCALL_PID])
goto err;
err = ovs_dp_cmd_validate(a);
if (!dp->table)
goto err_free_dp;
- dp->drop_frags = 0;
dp->stats_percpu = alloc_percpu(struct dp_stats_percpu);
if (!dp->stats_percpu) {
err = -ENOMEM;
goto err_destroy_table;
}
- change_datapath(dp, a);
-
/* Set up our datapath device. */
parms.name = nla_data(a[OVS_DP_ATTR_NAME]);
parms.type = OVS_VPORT_TYPE_INTERNAL;
parms.options = NULL;
parms.dp = dp;
parms.port_no = OVSP_LOCAL;
- if (a[OVS_DP_ATTR_UPCALL_PID])
- parms.upcall_pid = nla_get_u32(a[OVS_DP_ATTR_UPCALL_PID]);
- else
- parms.upcall_pid = NETLINK_CB(skb).pid;
+ parms.upcall_pid = nla_get_u32(a[OVS_DP_ATTR_UPCALL_PID]);
vport = new_vport(&parms);
if (IS_ERR(vport)) {
if (IS_ERR(dp))
return PTR_ERR(dp);
- change_datapath(dp, info->attrs);
-
reply = ovs_dp_cmd_build_info(dp, info->snd_pid, info->snd_seq, OVS_DP_CMD_NEW);
if (IS_ERR(reply)) {
err = PTR_ERR(reply);
.id = GENL_ID_GENERATE,
.hdrsize = sizeof(struct ovs_header),
.name = OVS_VPORT_FAMILY,
- .version = 1,
+ .version = OVS_VPORT_VERSION,
.maxattr = OVS_VPORT_ATTR_MAX
};
int err;
err = -EINVAL;
- if (!a[OVS_VPORT_ATTR_NAME] || !a[OVS_VPORT_ATTR_TYPE])
+ if (!a[OVS_VPORT_ATTR_NAME] || !a[OVS_VPORT_ATTR_TYPE] ||
+ !a[OVS_VPORT_ATTR_UPCALL_PID])
goto exit;
err = ovs_vport_cmd_validate(a);
parms.options = a[OVS_VPORT_ATTR_OPTIONS];
parms.dp = dp;
parms.port_no = port_no;
- if (a[OVS_VPORT_ATTR_UPCALL_PID])
- parms.upcall_pid = nla_get_u32(a[OVS_VPORT_ATTR_UPCALL_PID]);
- else
- parms.upcall_pid = NETLINK_CB(skb).pid;
+ parms.upcall_pid = nla_get_u32(a[OVS_VPORT_ATTR_UPCALL_PID]);
vport = new_vport(&parms);
err = PTR_ERR(vport);
goto exit_unlock;
err = 0;
- if (a[OVS_VPORT_ATTR_OPTIONS])
+ if (a[OVS_VPORT_ATTR_TYPE] && nla_get_u32(a[OVS_VPORT_ATTR_TYPE]) != vport_get_type(vport))
+ err = -EINVAL;
+ if (!err && a[OVS_VPORT_ATTR_OPTIONS])
err = vport_set_options(vport, a[OVS_VPORT_ATTR_OPTIONS]);
if (!err)
err = change_vport(vport, a);
git://git.onelab.eu / sliver-openvswitch.git / blobdiff