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authorDaniel Borkmann <daniel@iogearbox.net>2017-05-12 01:04:45 +0200
committerDavid S. Miller <davem@davemloft.net>2017-05-11 21:30:57 -0400
commit0489df9a430e9607de8130a6bc4bf4c02f96eaf1 (patch)
tree88f00a27ce3e1e8c94269f687dcbcf951b4c9f1b /include/uapi
parent0a5539f66133a02b24f9cc43da5b84b7e6f3f436 (diff)
downloadop-kernel-dev-0489df9a430e9607de8130a6bc4bf4c02f96eaf1.zip
op-kernel-dev-0489df9a430e9607de8130a6bc4bf4c02f96eaf1.tar.gz
xdp: add flag to enforce driver mode
After commit b5cdae3291f7 ("net: Generic XDP") we automatically fall back to a generic XDP variant if the driver does not support native XDP. Allow for an option where the user can specify that always the native XDP variant should be selected and in case it's not supported by a driver, just bail out. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/if_link.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 8e56ac7..549ac8a 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -888,9 +888,11 @@ enum {
/* XDP section */
#define XDP_FLAGS_UPDATE_IF_NOEXIST (1U << 0)
-#define XDP_FLAGS_SKB_MODE (2U << 0)
+#define XDP_FLAGS_SKB_MODE (1U << 1)
+#define XDP_FLAGS_DRV_MODE (1U << 2)
#define XDP_FLAGS_MASK (XDP_FLAGS_UPDATE_IF_NOEXIST | \
- XDP_FLAGS_SKB_MODE)
+ XDP_FLAGS_SKB_MODE | \
+ XDP_FLAGS_DRV_MODE)
enum {
IFLA_XDP_UNSPEC,
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