diff options
Diffstat (limited to 'include/net/af_vsock.h')
| -rw-r--r-- | include/net/af_vsock.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h index 533d8e75f7bb..4e40063adab4 100644 --- a/include/net/af_vsock.h +++ b/include/net/af_vsock.h @@ -179,6 +179,15 @@ struct vsock_transport { /* Addressing. */ u32 (*get_local_cid)(void); + /* Check if this transport serves a specific remote CID. + * For H2G transports: return true if the CID belongs to a registered + * guest. If not implemented, all CIDs > VMADDR_CID_HOST go to H2G. + * For G2H transports: return true if the transport can reach arbitrary + * CIDs via the hypervisor (i.e. supports the fallback overlay). VMCI + * does not implement this as it only serves CIDs 0 and 2. + */ + bool (*has_remote_cid)(struct vsock_sock *vsk, u32 remote_cid); + /* Read a single skb */ int (*read_skb)(struct vsock_sock *, skb_read_actor_t); |