diff options
| -rw-r--r-- | include/uapi/linux/openvswitch.h | 4 | ||||
| -rw-r--r-- | net/openvswitch/datapath.c | 14 | ||||
| -rw-r--r-- | net/openvswitch/datapath.h | 2 |
3 files changed, 20 insertions, 0 deletions
diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h index d120f9fe001..07ef2c3e21f 100644 --- a/include/uapi/linux/openvswitch.h +++ b/include/uapi/linux/openvswitch.h @@ -75,6 +75,7 @@ enum ovs_datapath_attr { OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */ + OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */ __OVS_DP_ATTR_MAX }; @@ -106,6 +107,9 @@ struct ovs_vport_stats { __u64 tx_dropped; /* no space available in linux */ }; +/* Allow last Netlink attribute to be unaligned */ +#define OVS_DP_F_UNALIGNED (1 << 0) + /* Fixed logical ports. */ #define OVSP_LOCAL ((__u32)0) diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 50d7782d8d7..6a9b0cb8a1d 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -1040,6 +1040,7 @@ static const struct genl_ops dp_flow_genl_ops[] = { static const struct nla_policy datapath_policy[OVS_DP_ATTR_MAX + 1] = { [OVS_DP_ATTR_NAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ - 1 }, [OVS_DP_ATTR_UPCALL_PID] = { .type = NLA_U32 }, + [OVS_DP_ATTR_USER_FEATURES] = { .type = NLA_U32 }, }; static struct genl_family dp_datapath_genl_family = { @@ -1098,6 +1099,9 @@ static int ovs_dp_cmd_fill_info(struct datapath *dp, struct sk_buff *skb, &dp_megaflow_stats)) goto nla_put_failure; + if (nla_put_u32(skb, OVS_DP_ATTR_USER_FEATURES, dp->user_features)) + goto nla_put_failure; + return genlmsg_end(skb, ovs_header); nla_put_failure: @@ -1144,6 +1148,12 @@ static struct datapath *lookup_datapath(struct net *net, return dp ? dp : ERR_PTR(-ENODEV); } +static void ovs_dp_change(struct datapath *dp, struct nlattr **a) +{ + if (a[OVS_DP_ATTR_USER_FEATURES]) + dp->user_features = nla_get_u32(a[OVS_DP_ATTR_USER_FEATURES]); +} + static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info) { struct nlattr **a = info->attrs; @@ -1202,6 +1212,8 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info) parms.port_no = OVSP_LOCAL; parms.upcall_portid = nla_get_u32(a[OVS_DP_ATTR_UPCALL_PID]); + ovs_dp_change(dp, a); + vport = new_vport(&parms); if (IS_ERR(vport)) { err = PTR_ERR(vport); @@ -1305,6 +1317,8 @@ static int ovs_dp_cmd_set(struct sk_buff *skb, struct genl_info *info) if (IS_ERR(dp)) goto unlock; + ovs_dp_change(dp, info->attrs); + reply = ovs_dp_cmd_build_info(dp, info, OVS_DP_CMD_NEW); if (IS_ERR(reply)) { err = PTR_ERR(reply); diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h index ba13be4a680..62619a4ee64 100644 --- a/net/openvswitch/datapath.h +++ b/net/openvswitch/datapath.h @@ -88,6 +88,8 @@ struct datapath { /* Network namespace ref. */ struct net *net; #endif + + u32 user_features; }; /** |