[net-next V8 PATCH 04/16] xdp: move struct xdp_buff from filter.h to xdp.h

Jesper Dangaard Brouer
2018-03-31T12:06:09Z

This is done to prepare for the next patch, and it is also
nice to move this XDP related struct out of filter.h.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
---
include/linux/filter.h | 24 +-----------------------
include/net/xdp.h | 22 ++++++++++++++++++++++
2 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 109d05ccea9a..340ba653dd80 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -30,6 +30,7 @@ struct sock;
struct seccomp_data;
struct bpf_prog_aux;
struct xdp_rxq_info;
+struct xdp_buff;

/* ArgX, context and stack frame pointer register positions. Note,
* Arg1, Arg2, Arg3, etc are used as argument mappings of function
@@ -499,14 +500,6 @@ struct bpf_skb_data_end {
void *data_end;
};

-struct xdp_buff {
- void *data;
- void *data_end;
- void *data_meta;
- void *data_hard_start;
- struct xdp_rxq_info *rxq;
-};
-
struct sk_msg_buff {
void *data;
void *data_end;
@@ -769,21 +762,6 @@ int xdp_do_redirect(struct net_device *dev,
struct bpf_prog *prog);
void xdp_do_flush_map(void);

-/* Drivers not supporting XDP metadata can use this helper, which
- * rejects any room expansion for metadata as a result.
- */
-static __always_inline void
-xdp_set_data_meta_invalid(struct xdp_buff *xdp)
-{
- xdp->data_meta = xdp->data + 1;
-}
-
-static __always_inline bool
-xdp_data_meta_unsupported(const struct xdp_buff *xdp)
-{
- return unlikely(xdp->data_meta > xdp->data);
-}
-
void bpf_warn_invalid_xdp_action(u32 act);

struct sock *do_sk_redirect_map(struct sk_buff *skb);
diff --git a/include/net/xdp.h b/include/net/xdp.h
index e4207699c410..15f8ade008b5 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -50,6 +50,13 @@ struct xdp_rxq_info {
struct xdp_mem_info mem;
} ____cacheline_aligned; /* perf critical, avoid false-sharing */

+struct xdp_buff {
+ void *data;
+ void *data_end;
+ void *data_meta;
+ void *data_hard_start;
+ struct xdp_rxq_info *rxq;
+};

static inline
void xdp_return_frame(void *data, struct xdp_mem_info *mem)
@@ -72,4 +79,19 @@ bool xdp_rxq_info_is_reg(struct xdp_rxq_info *xdp_rxq);
int xdp_rxq_info_reg_mem_model(struct xdp_rxq_info *xdp_rxq,
enum xdp_mem_type type, void *allocator);

+/* Drivers not supporting XDP metadata can use this helper, which
+ * rejects any room expansion for metadata as a result.
+ */
+static __always_inline void
+xdp_set_data_meta_invalid(struct xdp_buff *xdp)
+{
+ xdp->data_meta = xdp->data + 1;
+}
+
+static __always_inline bool
+xdp_data_meta_unsupported(const struct xdp_buff *xdp)
+{
+ return unlikely(xdp->data_meta > xdp->data);
+}
+
#endif /* __LINUX_NET_XDP_H__ */