diff options
Diffstat (limited to 'include/net/vxlan.h')
| -rw-r--r-- | include/net/vxlan.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/net/vxlan.h b/include/net/vxlan.h index a0d80736224f..0a7443b49133 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -19,6 +19,14 @@ struct vxlanhdr { /* VXLAN header flags. */ #define VXLAN_HF_VNI 0x08000000 +#define VXLAN_HF_RCO 0x00200000 + +/* Remote checksum offload header option */ +#define VXLAN_RCO_MASK 0x7f /* Last byte of vni field */ +#define VXLAN_RCO_UDP 0x80 /* Indicate UDP RCO (TCP when not set *) */ +#define VXLAN_RCO_SHIFT 1 /* Left shift of start */ +#define VXLAN_RCO_SHIFT_MASK ((1 << VXLAN_RCO_SHIFT) - 1) +#define VXLAN_MAX_REMCSUM_START (VXLAN_RCO_MASK << VXLAN_RCO_SHIFT) #define VXLAN_N_VID (1u << 24) #define VXLAN_VID_MASK (VXLAN_N_VID - 1) @@ -38,6 +46,7 @@ struct vxlan_sock { struct hlist_head vni_list[VNI_HASH_SIZE]; atomic_t refcnt; struct udp_offload udp_offloads; + u32 flags; }; #define VXLAN_F_LEARN 0x01 @@ -49,6 +58,8 @@ struct vxlan_sock { #define VXLAN_F_UDP_CSUM 0x40 #define VXLAN_F_UDP_ZERO_CSUM6_TX 0x80 #define VXLAN_F_UDP_ZERO_CSUM6_RX 0x100 +#define VXLAN_F_REMCSUM_TX 0x200 +#define VXLAN_F_REMCSUM_RX 0x400 struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port, vxlan_rcv_t *rcv, void *data, |