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bpf: allow BPF programs access 'protocol' and 'vlan_tci' fields

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as a follow on to patch 70006af955 ("bpf: allow eBPF access skb fields")
this patch allows 'protocol' and 'vlan_tci' fields to be accessible
from extended BPF programs.

The usage of 'protocol', 'vlan_present' and 'vlan_tci' fields is the same as
corresponding SKF_AD_PROTOCOL, SKF_AD_VLAN_TAG_PRESENT and SKF_AD_VLAN_TAG
accesses in classic BPF.

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov
2015-03-16 18:06:02 -07:00
committed by David S. Miller
parent 9cf7867c24
commit c249739579
3 changed files with 62 additions and 22 deletions
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3
include/uapi/linux/bpf.h
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@@ -178,6 +178,9 @@ struct __sk_buff {
__u32 pkt_type;
__u32 mark;
__u32 queue_mapping;
__u32 protocol;
__u32 vlan_present;
__u32 vlan_tci;
};
#endif /* _UAPI__LINUX_BPF_H__ */