Commit 2662b3f9 authored by Horatiu Vultur's avatar Horatiu Vultur Committed by Paolo Abeni
Browse files

net: microchip: vcap: Add vcap_mod_rule 



Add the function vcap_mod_rule which allows to update an existing rule
in the vcap. It is required for the rule to exist in the vcap to be able
to modify it.

Signed-off-by: default avatarHoratiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 610c32b2

drivers/net/ethernet/microchip/vcap/vcap_api.c

+36 −0
Original line number Diff line number Diff line
@@ -1955,6 +1955,42 @@ struct vcap_rule *vcap_get_rule(struct vcap_control *vctrl, u32 id) 
}

EXPORT_SYMBOL_GPL(vcap_get_rule);



/* Update existing rule */

int vcap_mod_rule(struct vcap_rule *rule)

{

	struct vcap_rule_internal *ri = to_intrule(rule);

	struct vcap_counter ctr;

	int err;



	err = vcap_api_check(ri->vctrl);

	if (err)

		return err;



	if (!vcap_lookup_rule(ri->vctrl, ri->data.id))

		return -ENOENT;



	mutex_lock(&ri->admin->lock);

	/* Encode the bitstreams to the VCAP cache */

	vcap_erase_cache(ri);

	err = vcap_encode_rule(ri);

	if (err)

		goto out;



	err = vcap_write_rule(ri);

	if (err)

		goto out;



	memset(&ctr, 0, sizeof(ctr));

	err =  vcap_write_counter(ri, &ctr);

	if (err)

		goto out;



out:

	mutex_unlock(&ri->admin->lock);

	return err;

}

EXPORT_SYMBOL_GPL(vcap_mod_rule);



/* Return the alignment offset for a new rule address */

static int vcap_valid_rule_move(struct vcap_rule_internal *el, int offset)

{

drivers/net/ethernet/microchip/vcap/vcap_api_client.h

+2 −0
Original line number Diff line number Diff line
@@ -172,6 +172,8 @@ int vcap_del_rule(struct vcap_control *vctrl, struct net_device *ndev, u32 id); 
struct vcap_rule *vcap_copy_rule(struct vcap_rule *rule);

/* Get rule from a VCAP instance */

struct vcap_rule *vcap_get_rule(struct vcap_control *vctrl, u32 id);

/* Update existing rule */

int vcap_mod_rule(struct vcap_rule *rule);



/* Update the keyset for the rule */

int vcap_set_rule_set_keyset(struct vcap_rule *rule,