diff options
Diffstat (limited to 'include/net/vxlan.h')
| -rw-r--r-- | include/net/vxlan.h | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/include/net/vxlan.h b/include/net/vxlan.h index bca5b01af247..6a9f8a5f387c 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -3,6 +3,7 @@ #define __NET_VXLAN_H 1 #include <linux/if_vlan.h> +#include <linux/rhashtable-types.h> #include <net/udp_tunnel.h> #include <net/dst_metadata.h> #include <net/rtnetlink.h> @@ -302,6 +303,10 @@ struct vxlan_dev { struct vxlan_vni_group __rcu *vnigrp; struct hlist_head fdb_head[FDB_HASH_SIZE]; + + struct rhashtable mdb_tbl; + struct hlist_head mdb_list; + unsigned int mdb_seq; }; #define VXLAN_F_LEARN 0x01 @@ -322,6 +327,8 @@ struct vxlan_dev { #define VXLAN_F_IPV6_LINKLOCAL 0x8000 #define VXLAN_F_TTL_INHERIT 0x10000 #define VXLAN_F_VNIFILTER 0x20000 +#define VXLAN_F_MDB 0x40000 +#define VXLAN_F_LOCALBYPASS 0x80000 /* Flags that are used in the receive path. These flags must match in * order for a socket to be shareable @@ -342,7 +349,8 @@ struct vxlan_dev { VXLAN_F_UDP_ZERO_CSUM6_TX | \ VXLAN_F_UDP_ZERO_CSUM6_RX | \ VXLAN_F_COLLECT_METADATA | \ - VXLAN_F_VNIFILTER) + VXLAN_F_VNIFILTER | \ + VXLAN_F_LOCALBYPASS) struct net_device *vxlan_dev_create(struct net *net, const char *name, u8 name_assign_type, struct vxlan_config *conf); @@ -378,10 +386,15 @@ static inline netdev_features_t vxlan_features_check(struct sk_buff *skb, return features; } -/* IP header + UDP + VXLAN + Ethernet header */ -#define VXLAN_HEADROOM (20 + 8 + 8 + 14) -/* IPv6 header + UDP + VXLAN + Ethernet header */ -#define VXLAN6_HEADROOM (40 + 8 + 8 + 14) +static inline int vxlan_headroom(u32 flags) +{ + /* VXLAN: IP4/6 header + UDP + VXLAN + Ethernet header */ + /* VXLAN-GPE: IP4/6 header + UDP + VXLAN */ + return (flags & VXLAN_F_IPV6 ? sizeof(struct ipv6hdr) : + sizeof(struct iphdr)) + + sizeof(struct udphdr) + sizeof(struct vxlanhdr) + + (flags & VXLAN_F_GPE ? 0 : ETH_HLEN); +} static inline struct vxlanhdr *vxlan_hdr(struct sk_buff *skb) { @@ -543,12 +556,12 @@ static inline void vxlan_flag_attr_error(int attrtype, } static inline bool vxlan_fdb_nh_path_select(struct nexthop *nh, - int hash, + u32 hash, struct vxlan_rdst *rdst) { struct fib_nh_common *nhc; - nhc = nexthop_path_fdb_result(nh, hash); + nhc = nexthop_path_fdb_result(nh, hash >> 1); if (unlikely(!nhc)) return false; @@ -566,4 +579,23 @@ static inline bool vxlan_fdb_nh_path_select(struct nexthop *nh, return true; } +static inline void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, const struct vxlan_metadata *md) +{ + struct vxlanhdr_gbp *gbp; + + if (!md->gbp) + return; + + gbp = (struct vxlanhdr_gbp *)vxh; + vxh->vx_flags |= VXLAN_HF_GBP; + + if (md->gbp & VXLAN_GBP_DONT_LEARN) + gbp->dont_learn = 1; + + if (md->gbp & VXLAN_GBP_POLICY_APPLIED) + gbp->policy_applied = 1; + + gbp->policy_id = htons(md->gbp & VXLAN_GBP_ID_MASK); +} + #endif |