From: Bobby Eshleman <bobbyeshle...@meta.com>
Add a net pointer and orig_net_mode to the vsock skb and helpers for
getting/setting them. This is in preparation for adding vsock NS
support.
Signed-off-by: Bobby Eshleman <bobbyeshle...@meta.com>
---
Changes in v5:
- some diff context change due to rebase to current net-next
---
include/linux/virtio_vsock.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 0c67543a45c8..ea955892488a 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -13,6 +13,8 @@ struct virtio_vsock_skb_cb {
bool reply;
bool tap_delivered;
u32 offset;
+ struct net *net;
+ enum vsock_net_mode orig_net_mode;
};
#define VIRTIO_VSOCK_SKB_CB(skb) ((struct virtio_vsock_skb_cb *)((skb)->cb))
@@ -130,6 +132,27 @@ static inline size_t virtio_vsock_skb_len(struct sk_buff
*skb)
return (size_t)(skb_end_pointer(skb) - skb->head);
}
+static inline struct net *virtio_vsock_skb_net(struct sk_buff *skb)
+{
+ return VIRTIO_VSOCK_SKB_CB(skb)->net;
+}
+
+static inline void virtio_vsock_skb_set_net(struct sk_buff *skb, struct net
*net)
+{
+ VIRTIO_VSOCK_SKB_CB(skb)->net = net;
+}
+
+static inline enum vsock_net_mode virtio_vsock_skb_orig_net_mode(struct
sk_buff *skb)
+{
+ return VIRTIO_VSOCK_SKB_CB(skb)->orig_net_mode;
+}
+
+static inline void virtio_vsock_skb_set_orig_net_mode(struct sk_buff *skb,
+ enum vsock_net_mode
orig_net_mode)
+{
+ VIRTIO_VSOCK_SKB_CB(skb)->orig_net_mode = orig_net_mode;
+}
+
/* Dimension the RX SKB so that the entire thing fits exactly into
* a single 4KiB page. This avoids wasting memory due to alloc_skb()
* rounding up to the next page order and also means that we
--
2.47.3
