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Commit f8f3d34e authored by Vinicius Costa Gomes's avatar Vinicius Costa Gomes Committed by Jeff Kirsher
Browse files

igb: Add the skeletons for tc-flower offloading 



This adds basic functions needed to implement offloading for filters
created by tc-flower.

Signed-off-by: default avatarVinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent b4a38d42

drivers/net/ethernet/intel/igb/igb_main.c

+66 −0
Original line number Original line Diff line number Diff line
@@ -36,6 +36,7 @@ 
#include <net/checksum.h>

#include <net/checksum.h>

#include <net/ip6_checksum.h>

#include <net/ip6_checksum.h>

#include <net/pkt_sched.h>

#include <net/pkt_sched.h>

#include <net/pkt_cls.h>

#include <linux/net_tstamp.h>

#include <linux/net_tstamp.h>

#include <linux/mii.h>

#include <linux/mii.h>

#include <linux/ethtool.h>

#include <linux/ethtool.h>
@@ -2513,6 +2514,69 @@ static int igb_offload_cbs(struct igb_adapter *adapter, 
	return 0;

	return 0;

}

}





static int igb_configure_clsflower(struct igb_adapter *adapter,

				   struct tc_cls_flower_offload *cls_flower)

{

	return -EOPNOTSUPP;

}



static int igb_delete_clsflower(struct igb_adapter *adapter,

				struct tc_cls_flower_offload *cls_flower)

{

	return -EOPNOTSUPP;

}



static int igb_setup_tc_cls_flower(struct igb_adapter *adapter,

				   struct tc_cls_flower_offload *cls_flower)

{

	switch (cls_flower->command) {

	case TC_CLSFLOWER_REPLACE:

		return igb_configure_clsflower(adapter, cls_flower);

	case TC_CLSFLOWER_DESTROY:

		return igb_delete_clsflower(adapter, cls_flower);

	case TC_CLSFLOWER_STATS:

		return -EOPNOTSUPP;

	default:

		return -EINVAL;

	}

}



static int igb_setup_tc_block_cb(enum tc_setup_type type, void *type_data,

				 void *cb_priv)

{

	struct igb_adapter *adapter = cb_priv;



	if (!tc_cls_can_offload_and_chain0(adapter->netdev, type_data))

		return -EOPNOTSUPP;



	switch (type) {

	case TC_SETUP_CLSFLOWER:

		return igb_setup_tc_cls_flower(adapter, type_data);



	default:

		return -EOPNOTSUPP;

	}

}



static int igb_setup_tc_block(struct igb_adapter *adapter,

			      struct tc_block_offload *f)

{

	if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)

		return -EOPNOTSUPP;



	switch (f->command) {

	case TC_BLOCK_BIND:

		return tcf_block_cb_register(f->block, igb_setup_tc_block_cb,

					     adapter, adapter);

	case TC_BLOCK_UNBIND:

		tcf_block_cb_unregister(f->block, igb_setup_tc_block_cb,

					adapter);

		return 0;

	default:

		return -EOPNOTSUPP;

	}

}



static int igb_setup_tc(struct net_device *dev, enum tc_setup_type type,

static int igb_setup_tc(struct net_device *dev, enum tc_setup_type type,

			void *type_data)

			void *type_data)

{

{
@@ -2521,6 +2585,8 @@ static int igb_setup_tc(struct net_device *dev, enum tc_setup_type type, 
	switch (type) {

	switch (type) {

	case TC_SETUP_QDISC_CBS:

	case TC_SETUP_QDISC_CBS:

		return igb_offload_cbs(adapter, type_data);

		return igb_offload_cbs(adapter, type_data);

	case TC_SETUP_BLOCK:

		return igb_setup_tc_block(adapter, type_data);





	default:

	default:

		return -EOPNOTSUPP;

		return -EOPNOTSUPP;