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net: sched: expose HW stats types per action used by drivers

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It may be up to the driver (in case ANY HW stats is passed) to select
which type of HW stats he is going to use. Add an infrastructure to
expose this information to user.

$ tc filter add dev enp3s0np1 ingress proto ip handle 1 pref 1 flower dst_ip 192.168.1.1 action drop
$ tc -s filter show dev enp3s0np1 ingress
filter protocol ip pref 1 flower chain 0
filter protocol ip pref 1 flower chain 0 handle 0x1
  eth_type ipv4
  dst_ip 192.168.1.1
  in_hw in_hw_count 2
        action order 1: gact action drop
         random type none pass val 0
         index 1 ref 1 bind 1 installed 10 sec used 10 sec
        Action statistics:
        Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
        backlog 0b 0p requeues 0
        used_hw_stats immediate     <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2020-03-28 16:37:43 +01:00
committed by David S. Miller
parent 8953b0770f
commit 93a129eb8c
18 changed files with 54 additions and 17 deletions
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2
include/net/act_api.h
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@@ -42,6 +42,8 @@ struct tc_action {
struct tcf_chain __rcu *goto_chain;
u32 tcfa_flags;
u8 hw_stats;
u8 used_hw_stats;
bool used_hw_stats_valid;
};
#define tcf_index common.tcfa_index
#define tcf_refcnt common.tcfa_refcnt