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| author | Eric Dumazet <edumazet@google.com> | 2014-07-09 15:14:06 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-07-14 12:00:17 +0200 |
| commit | ce355e209feb030945dae4c358c02f29a84f3f8b (patch) | |
| tree | edf8561e59627f889581be27fc80c86820c2988e /include | |
| parent | 38e029f14a9702f71d5953246df9f722bca49017 (diff) | |
| download | linux-ce355e209feb030945dae4c358c02f29a84f3f8b.tar.gz linux-ce355e209feb030945dae4c358c02f29a84f3f8b.tar.bz2 linux-ce355e209feb030945dae4c358c02f29a84f3f8b.zip | |
netfilter: nf_tables: 64bit stats need some extra synchronization
Use generic u64_stats_sync infrastructure to get proper 64bit stats,
even on 32bit arches, at no extra cost for 64bit arches.
Without this fix, 32bit arches can have some wrong counters at the time
the carry is propagated into upper word.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netfilter/nf_tables.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 713b0b88bd5a..c4d86198d3d6 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -6,6 +6,7 @@ #include <linux/netfilter/nfnetlink.h> #include <linux/netfilter/x_tables.h> #include <linux/netfilter/nf_tables.h> +#include <linux/u64_stats_sync.h> #include <net/netlink.h> #define NFT_JUMP_STACK_SIZE 16 @@ -528,8 +529,9 @@ enum nft_chain_type { }; struct nft_stats { - u64 bytes; - u64 pkts; + u64 bytes; + u64 pkts; + struct u64_stats_sync syncp; }; #define NFT_HOOK_OPS_MAX 2 |