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samples/bpf: add missing <linux/if_vlan.h>

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[ Upstream commit 4d5d33a085335ef469c9a87792bcaaaa8e64d8c4 ]

This fixes build error regarding redefinition:

    CLANG-bpf  samples/bpf/parse_varlen.o
  samples/bpf/parse_varlen.c:111:8: error: redefinition of 'vlan_hdr'
  struct vlan_hdr {
         ^
  ./include/linux/if_vlan.h:38:8: note: previous definition is here

So remove duplicate 'struct vlan_hdr' in sample code and include if_vlan.h

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Taeung Song 2018-07-04 22:36:36 +09:00 committed by Greg Kroah-Hartman
parent bf030b2faa
commit 2b533daef8
1 changed files with 1 additions and 5 deletions
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6
samples/bpf/parse_varlen.c
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@ -6,6 +6,7 @@
*/
#define KBUILD_MODNAME "foo"
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/in.h>
@ -108,11 +109,6 @@ static int parse_ipv6(void *data, uint64_t nh_off, void *data_end)
return 0;
}
struct vlan_hdr {
uint16_t h_vlan_TCI;
uint16_t h_vlan_encapsulated_proto;
};
SEC("varlen")
int handle_ingress(struct __sk_buff *skb)
{