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samples/bpf: fix SKB_MODE flag to be a 32-bit unsigned int

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The kernel side of XDP_FLAGS_SKB_MODE is unsigned, and the rtnetlink
IFLA_XDP_FLAGS is defined as NLA_U32. Thus, userspace programs under
samples/bpf/ should use the correct type.

Fixes: 3993f2cb98 ("samples/bpf: Add support for SKB_MODE to xdp1 and xdp_tx_iptunnel")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer
2017-05-01 11:26:15 +02:00
committed by David S. Miller
parent d74a32acd5
commit 6387d0111c
4 changed files with 11 additions and 10 deletions
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3
samples/bpf/bpf_load.c
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@@ -14,6 +14,7 @@
#include <linux/perf_event.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/types.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/syscall.h>
@@ -585,7 +586,7 @@ struct ksym *ksym_search(long key)
return &syms[0];
}
int set_link_xdp_fd(int ifindex, int fd, int flags)
int set_link_xdp_fd(int ifindex, int fd, __u32 flags)
{
struct sockaddr_nl sa;
int sock, seq = 0, len, ret = -1;