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authorJiri Pirko <jiri@mellanox.com>2018-07-23 09:23:05 +0200
committerDavid S. Miller <davem@davemloft.net>2018-07-23 20:44:12 -0700
commitf71e0ca4db187af7c44987e9d21e9042c3046070 (patch)
tree850a18e148bfd97fc67450e3568406ca3e1e784b /include
parentf34e8bff58f071e1a3452a5a6e29dac218c83f69 (diff)
net: sched: Avoid implicit chain 0 creation
Currently, chain 0 is implicitly created during block creation. However that does not align with chain object exposure, creation and destruction api introduced later on. So make the chain 0 behave the same way as any other chain and only create it when it is needed. Since chain 0 is somehow special as the qdiscs need to hold pointer to the first chain tp, this requires to move the chain head change callback infra to the block structure. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/sch_generic.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 7432100027b7..86f4651784e8 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -300,7 +300,6 @@ typedef void tcf_chain_head_change_t(struct tcf_proto *tp_head, void *priv);
struct tcf_chain {
struct tcf_proto __rcu *filter_chain;
- struct list_head filter_chain_list;
struct list_head list;
struct tcf_block *block;
u32 index; /* chain index */
@@ -318,6 +317,10 @@ struct tcf_block {
bool keep_dst;
unsigned int offloadcnt; /* Number of oddloaded filters */
unsigned int nooffloaddevcnt; /* Number of devs unable to do offload */
+ struct {
+ struct tcf_chain *chain;
+ struct list_head filter_chain_list;
+ } chain0;
};
static inline void tcf_block_offload_inc(struct tcf_block *block, u32 *flags)