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authorIoana Ciornei <ioana.ciornei@nxp.com>2020-04-22 15:05:09 +0300
committerDavid S. Miller <davem@davemloft.net>2020-04-22 20:11:29 -0700
commit788f87ac608c518b74f338acb95f197cf6e3d0c4 (patch)
treeee4b1e8e682dd9f3812603f570081467980329c3
parent493f3cc7ee020a4c5da02f6502743d9ae7be50d6 (diff)
xdp: export the DEV_MAP_BULK_SIZE macro
Export the DEV_MAP_BULK_SIZE macro to the header file so that drivers can directly use it as the maximum number of xdp_frames received in the .ndo_xdp_xmit() callback. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/xdp.h2
-rw-r--r--kernel/bpf/devmap.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/include/net/xdp.h b/include/net/xdp.h
index 40c6d3398458..3cc6d5d84aa4 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -181,4 +181,6 @@ bool xdp_attachment_flags_ok(struct xdp_attachment_info *info,
void xdp_attachment_setup(struct xdp_attachment_info *info,
struct netdev_bpf *bpf);
+#define DEV_MAP_BULK_SIZE 16
+
#endif /* __LINUX_NET_XDP_H__ */
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index 58bdca5d978a..a51d9fb7a359 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -52,7 +52,6 @@
#define DEV_CREATE_FLAG_MASK \
(BPF_F_NUMA_NODE | BPF_F_RDONLY | BPF_F_WRONLY)
-#define DEV_MAP_BULK_SIZE 16
struct xdp_dev_bulk_queue {
struct xdp_frame *q[DEV_MAP_BULK_SIZE];
struct list_head flush_node;