search for: virtio_vsock_op_negoti

...(connection handshake, signal read/write and so forth). I don't think the intent here is for it to be in STREAM _data_ packets, but Asias can clarify. > > Virtio VM socket connection creation: > > 1) Client sends VIRTIO_VSOCK_OP_REQUEST to server > > 2) Server reponses with VIRTIO_VSOCK_OP_NEGOTIATE to client > > 3) Client sends VIRTIO_VSOCK_OP_OFFER to server > > 4) Server responses with VIRTIO_VSOCK_OP_ATTACH to client > > What's the reason for a 4 stage setup? Most transports > make do with 3. I'm guessing that's also based on the original vSockets/VMCI...

...(connection handshake, signal read/write and so forth). I don't think the intent here is for it to be in STREAM _data_ packets, but Asias can clarify. > > Virtio VM socket connection creation: > > 1) Client sends VIRTIO_VSOCK_OP_REQUEST to server > > 2) Server reponses with VIRTIO_VSOCK_OP_NEGOTIATE to client > > 3) Client sends VIRTIO_VSOCK_OP_OFFER to server > > 4) Server responses with VIRTIO_VSOCK_OP_ATTACH to client > > What's the reason for a 4 stage setup? Most transports > make do with 3. I'm guessing that's also based on the original vSockets/VMCI...

...transferred. > type: specifies the type of the packet, it can be SOCK_STREAM or SOCK_DGRAM. > op: specifies the operation of the packet, it is defined as follows. > > enum { > VIRTIO_VSOCK_OP_INVALID = 0, > VIRTIO_VSOCK_OP_REQUEST = 1, > VIRTIO_VSOCK_OP_NEGOTIATE = 2, > VIRTIO_VSOCK_OP_OFFER = 3, > VIRTIO_VSOCK_OP_ATTACH = 4, > VIRTIO_VSOCK_OP_RW = 5, > VIRTIO_VSOCK_OP_CREDIT = 6, > VIRTIO_VSOCK_OP_RST = 7, > VIRTIO_VSOCK_OP_SHUTDOWN = 8, > }; > > shut:...

...is transferred. > type: specifies the type of the packet, it can be SOCK_STREAM or SOCK_DGRAM. > op: specifies the operation of the packet, it is defined as follows. > > enum { > VIRTIO_VSOCK_OP_INVALID = 0, > VIRTIO_VSOCK_OP_REQUEST = 1, > VIRTIO_VSOCK_OP_NEGOTIATE = 2, > VIRTIO_VSOCK_OP_OFFER = 3, > VIRTIO_VSOCK_OP_ATTACH = 4, > VIRTIO_VSOCK_OP_RW = 5, > VIRTIO_VSOCK_OP_CREDIT = 6, > VIRTIO_VSOCK_OP_RST = 7, > VIRTIO_VSOCK_OP_SHUTDOWN = 8, > }; > > shut: speci...

...it could be zero if no data payload is transferred. type: specifies the type of the packet, it can be SOCK_STREAM or SOCK_DGRAM. op: specifies the operation of the packet, it is defined as follows. enum { VIRTIO_VSOCK_OP_INVALID = 0, VIRTIO_VSOCK_OP_REQUEST = 1, VIRTIO_VSOCK_OP_NEGOTIATE = 2, VIRTIO_VSOCK_OP_OFFER = 3, VIRTIO_VSOCK_OP_ATTACH = 4, VIRTIO_VSOCK_OP_RW = 5, VIRTIO_VSOCK_OP_CREDIT = 6, VIRTIO_VSOCK_OP_RST = 7, VIRTIO_VSOCK_OP_SHUTDOWN = 8, }; shut: specifies the shutdown mode when the socket is bei...

...it could be zero if no data payload is transferred. type: specifies the type of the packet, it can be SOCK_STREAM or SOCK_DGRAM. op: specifies the operation of the packet, it is defined as follows. enum { VIRTIO_VSOCK_OP_INVALID = 0, VIRTIO_VSOCK_OP_REQUEST = 1, VIRTIO_VSOCK_OP_NEGOTIATE = 2, VIRTIO_VSOCK_OP_OFFER = 3, VIRTIO_VSOCK_OP_ATTACH = 4, VIRTIO_VSOCK_OP_RW = 5, VIRTIO_VSOCK_OP_CREDIT = 6, VIRTIO_VSOCK_OP_RST = 7, VIRTIO_VSOCK_OP_SHUTDOWN = 8, }; shut: specifies the shutdown mode when the socket is bei...

...gt; + __u32 src_port; > + __u32 dst_cid; > + __u32 dst_port; > + __u32 len; > + __u8 type; > + __u8 op; > + __u8 shut; > + __u64 fwd_cnt; > + __u64 buf_alloc; > +} __packed; > + > +enum { > + VIRTIO_VSOCK_OP_INVALID = 0, > + VIRTIO_VSOCK_OP_REQUEST = 1, > + VIRTIO_VSOCK_OP_NEGOTIATE = 2, > + VIRTIO_VSOCK_OP_OFFER = 3, > + VIRTIO_VSOCK_OP_ATTACH = 4, > + VIRTIO_VSOCK_OP_RW = 5, > + VIRTIO_VSOCK_OP_CREDIT = 6, > + VIRTIO_VSOCK_OP_RST = 7, > + VIRTIO_VSOCK_OP_SHUTDOWN = 8, > +}; > + > +#endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */ > diff --git a/net/vmw...

...gt; + __u32 src_port; > + __u32 dst_cid; > + __u32 dst_port; > + __u32 len; > + __u8 type; > + __u8 op; > + __u8 shut; > + __u64 fwd_cnt; > + __u64 buf_alloc; > +} __packed; > + > +enum { > + VIRTIO_VSOCK_OP_INVALID = 0, > + VIRTIO_VSOCK_OP_REQUEST = 1, > + VIRTIO_VSOCK_OP_NEGOTIATE = 2, > + VIRTIO_VSOCK_OP_OFFER = 3, > + VIRTIO_VSOCK_OP_ATTACH = 4, > + VIRTIO_VSOCK_OP_RW = 5, > + VIRTIO_VSOCK_OP_CREDIT = 6, > + VIRTIO_VSOCK_OP_RST = 7, > + VIRTIO_VSOCK_OP_SHUTDOWN = 8, > +}; > + > +#endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */ > diff --git a/net/vmw...

...rtqueue_pairs; +} __packed; + +struct virtio_vsock_hdr { + __u32 src_cid; + __u32 src_port; + __u32 dst_cid; + __u32 dst_port; + __u32 len; + __u8 type; + __u8 op; + __u8 shut; + __u64 fwd_cnt; + __u64 buf_alloc; +} __packed; + +enum { + VIRTIO_VSOCK_OP_INVALID = 0, + VIRTIO_VSOCK_OP_REQUEST = 1, + VIRTIO_VSOCK_OP_NEGOTIATE = 2, + VIRTIO_VSOCK_OP_OFFER = 3, + VIRTIO_VSOCK_OP_ATTACH = 4, + VIRTIO_VSOCK_OP_RW = 5, + VIRTIO_VSOCK_OP_CREDIT = 6, + VIRTIO_VSOCK_OP_RST = 7, + VIRTIO_VSOCK_OP_SHUTDOWN = 8, +}; + +#endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */ diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/v...