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netdevsim: Add support for setting of packet trap group parameters 

Add a dummy callback to set trap group parameters. Return an error when
the 'fail_trap_group_set' debugfs file is set in order to exercise error
paths and verify that error is propagated to user space when should.

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 22:38:23 +03:00 committed by David S. Miller
parent c064875a63
commit 0dc8249a2e
2 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/netdevsim/dev.c
View File

@ -215,6 +215,9 @@ static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev)
&nsim_dev->fail_reload);
debugfs_create_file("trap_flow_action_cookie", 0600, nsim_dev->ddir,
nsim_dev, &nsim_dev_trap_fa_cookie_fops);
debugfs_create_bool("fail_trap_group_set", 0600,
nsim_dev->ddir,
&nsim_dev->fail_trap_group_set);
debugfs_create_bool("fail_trap_policer_set", 0600,
nsim_dev->ddir,
&nsim_dev->fail_trap_policer_set);
@ -813,6 +816,19 @@ nsim_dev_devlink_trap_action_set(struct devlink *devlink,
return 0;
}
static int
nsim_dev_devlink_trap_group_set(struct devlink *devlink,
const struct devlink_trap_group *group,
const struct devlink_trap_policer *policer)
{
struct nsim_dev *nsim_dev = devlink_priv(devlink);
if (nsim_dev->fail_trap_group_set)
return -EINVAL;
return 0;
}
static int
nsim_dev_devlink_trap_policer_set(struct devlink *devlink,
const struct devlink_trap_policer *policer,
@ -854,6 +870,7 @@ static const struct devlink_ops nsim_dev_devlink_ops = {
.flash_update = nsim_dev_flash_update,
.trap_init = nsim_dev_devlink_trap_init,
.trap_action_set = nsim_dev_devlink_trap_action_set,
.trap_group_set = nsim_dev_devlink_trap_group_set,
.trap_policer_set = nsim_dev_devlink_trap_policer_set,
.trap_policer_counter_get = nsim_dev_devlink_trap_policer_counter_get,
};

1
drivers/net/netdevsim/netdevsim.h
View File

@ -180,6 +180,7 @@ 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_group_set;
bool fail_trap_policer_set;
bool fail_trap_policer_counter_get;
};