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authorJesper Dangaard Brouer <brouer@redhat.com>2018-04-17 17:45:47 +0300
committerDavid S. Miller <davem@davemloft.net>2018-04-17 17:50:28 +0300
commit1ffcbc8537d0bc32aaca7000cb9c904ec4b6300f (patch)
treef40c0917875b9f4276128e3382ffdfa9655a4fd4 /include/linux/if_tun.h
parentc0048cff8abb69c956ce1277d17a3f7a14e41522 (diff)
downloadlinux-1ffcbc8537d0bc32aaca7000cb9c904ec4b6300f.tar.xz
tun: convert to use generic xdp_frame and xdp_return_frame API
The tuntap driver invented it's own driver specific way of queuing XDP packets, by storing the xdp_buff information in the top of the XDP frame data. Convert it over to use the more generic xdp_frame structure. The main problem with the in-driver method is that the xdp_rxq_info pointer cannot be trused/used when dequeueing the frame. V3: Remove check based on feedback from Jason Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/if_tun.h')
-rw-r--r--include/linux/if_tun.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index fd00170b494f..3d2996dc7d85 100644
--- a/include/linux/if_tun.h
+++ b/include/linux/if_tun.h
@@ -22,7 +22,7 @@
#if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE)
struct socket *tun_get_socket(struct file *);
struct ptr_ring *tun_get_tx_ring(struct file *file);
-bool tun_is_xdp_buff(void *ptr);
+bool tun_is_xdp_frame(void *ptr);
void *tun_xdp_to_ptr(void *ptr);
void *tun_ptr_to_xdp(void *ptr);
void tun_ptr_free(void *ptr);
@@ -39,7 +39,7 @@ static inline struct ptr_ring *tun_get_tx_ring(struct file *f)
{
return ERR_PTR(-EINVAL);
}
-static inline bool tun_is_xdp_buff(void *ptr)
+static inline bool tun_is_xdp_frame(void *ptr)
{
return false;
}