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netdevsim: Add devlink-trap policer support

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Register three dummy packet trap policers with devlink and implement
callbacks to change their parameters and read their counters.

This will be used later on in the series to test the devlink-trap
policer infrastructure.

v2:
* Remove check about burst size being a power of 2 and instead add a
  debugfs knob to fail the operation
* Provide max/min rate/burst size when registering policers and remove
  the validity checks from nsim_dev_devlink_trap_policer_set()

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2020-03-30 22:38:20 +03:00
committed by David S. Miller
parent ef7d5c7d43
commit ad188458d0
2 changed files with 86 additions and 1 deletions
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2
drivers/net/netdevsim/netdevsim.h
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@@ -180,6 +180,8 @@ struct nsim_dev {
struct nsim_dev_health health;
struct flow_action_cookie *fa_cookie;
spinlock_t fa_cookie_lock; /* protects fa_cookie */
bool fail_trap_policer_set;
bool fail_trap_policer_counter_get;
};
static inline struct net *nsim_dev_net(struct nsim_dev *nsim_dev)