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xdp: export the DEV_MAP_BULK_SIZE macro

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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>
This commit is contained in:
Ioana Ciornei 2020-04-22 15:05:09 +03:00 committed by David S. Miller
parent 493f3cc7ee
commit 788f87ac60
2 changed files with 2 additions and 1 deletions
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2
include/net/xdp.h
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@ -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__ */

1
kernel/bpf/devmap.c
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@ -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;