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author | David S. Miller <davem@davemloft.net> | 2019-12-31 13:37:13 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2019-12-31 13:37:13 -0800 |
commit | 31d518f35e1a80268a24a855be9477eb458540ad (patch) | |
tree | 28494f630aede8f95d4ed2ebbfd14c222bd24fa6 /include/net/sch_generic.h | |
parent | 9e860947d8d7a1504476ac49abfce90a4ce600f3 (diff) | |
parent | 738d2902773e30939a982c8df7a7f94293659810 (diff) | |
download | linux-stable-31d518f35e1a80268a24a855be9477eb458540ad.tar.gz linux-stable-31d518f35e1a80268a24a855be9477eb458540ad.tar.bz2 linux-stable-31d518f35e1a80268a24a855be9477eb458540ad.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Simple overlapping changes in bpf land wrt. bpf_helper_defs.h
handling.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r-- | include/net/sch_generic.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 144f264ea394..fceddf89592a 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -308,6 +308,7 @@ struct tcf_proto_ops { int (*delete)(struct tcf_proto *tp, void *arg, bool *last, bool rtnl_held, struct netlink_ext_ack *); + bool (*delete_empty)(struct tcf_proto *tp); void (*walk)(struct tcf_proto *tp, struct tcf_walker *arg, bool rtnl_held); int (*reoffload)(struct tcf_proto *tp, bool add, @@ -336,6 +337,10 @@ struct tcf_proto_ops { int flags; }; +/* Classifiers setting TCF_PROTO_OPS_DOIT_UNLOCKED in tcf_proto_ops->flags + * are expected to implement tcf_proto_ops->delete_empty(), otherwise race + * conditions can occur when filters are inserted/deleted simultaneously. + */ enum tcf_proto_ops_flags { TCF_PROTO_OPS_DOIT_UNLOCKED = 1, }; |