git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-23 05:56:14 -04:00
Code Issues Packages Projects Releases Wiki Activity

net: microchip: sparx5: Add support for rule count by cookie

Browse Source 
This adds support for TC clients to get the packet count for a TC filter
identified by its cookie.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steen Hegelund
2023-01-17 09:55:40 +01:00
committed by David S. Miller
parent 0d4cda805a
commit 27d293ccee
3 changed files with 47 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
drivers/net/ethernet/microchip/vcap/vcap_api.c
View File

@@ -2989,31 +2989,6 @@ void vcap_rule_set_counter_id(struct vcap_rule *rule, u32 counter_id)
}
EXPORT_SYMBOL_GPL(vcap_rule_set_counter_id);
/* Provide all rules via a callback interface */
int vcap_rule_iter(struct vcap_control *vctrl,
int (*callback)(void *, struct vcap_rule *), void *arg)
{
struct vcap_rule_internal *ri;
struct vcap_admin *admin;
int ret;
ret = vcap_api_check(vctrl);
if (ret)
return ret;
/* Iterate all rules in each VCAP instance */
list_for_each_entry(admin, &vctrl->list, list) {
list_for_each_entry(ri, &admin->rules, list) {
ret = callback(arg, &ri->data);
if (ret)
return ret;
}
}
return 0;
}
EXPORT_SYMBOL_GPL(vcap_rule_iter);
int vcap_rule_set_counter(struct vcap_rule *rule, struct vcap_counter *ctr)
{
struct vcap_rule_internal *ri = to_intrule(rule);
@@ -3105,6 +3080,48 @@ int vcap_rule_get_keysets(struct vcap_rule_internal *ri,
return -EINVAL;
}
/* Collect packet counts from all rules with the same cookie */
int vcap_get_rule_count_by_cookie(struct vcap_control *vctrl,
struct vcap_counter *ctr, u64 cookie)
{
struct vcap_rule_internal *ri;
struct vcap_counter temp = {};
struct vcap_admin *admin;
int err;
err = vcap_api_check(vctrl);
if (err)
return err;
/* Iterate all rules in each VCAP instance */
list_for_each_entry(admin, &vctrl->list, list) {
mutex_lock(&admin->lock);
list_for_each_entry(ri, &admin->rules, list) {
if (ri->data.cookie != cookie)
continue;
err = vcap_read_counter(ri, &temp);
if (err)
goto unlock;
ctr->value += temp.value;
/* Reset the rule counter */
temp.value = 0;
temp.sticky = 0;
err = vcap_write_counter(ri, &temp);
if (err)
goto unlock;
}
mutex_unlock(&admin->lock);
}
return err;
unlock:
mutex_unlock(&admin->lock);
return err;
}
EXPORT_SYMBOL_GPL(vcap_get_rule_count_by_cookie);
static int vcap_rule_mod_key(struct vcap_rule *rule,
enum vcap_key_field key,
enum vcap_field_type ftype,