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Commit 0075fa0f authored by Harshitha Ramamurthy's avatar Harshitha Ramamurthy Committed by Jeff Kirsher
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i40evf: Add support to apply cloud filters 



This patch enables a tc filter to be applied as a cloud
filter for the VF. This patch adds functions which parse the
tc filter, extract the necessary fields needed to configure the
filter and package them in a virtchnl message to be sent to the
PF to apply them.

Signed-off-by: default avatarHarshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 3872c8d4

drivers/net/ethernet/intel/i40evf/i40evf.h

+48 −0
Original line number Diff line number Diff line
@@ -54,6 +54,8 @@ 
#include <net/ip6_checksum.h>

#include <net/pkt_cls.h>

#include <net/udp.h>

#include <net/tc_act/tc_gact.h>

#include <net/tc_act/tc_mirred.h>



#include "i40e_type.h"

#include <linux/avf/virtchnl.h>
@@ -184,6 +186,14 @@ struct i40evf_channel_config { 
	u8 total_qps;

};



/* State of cloud filter */

enum i40evf_cloud_filter_state_t {

	__I40EVF_CF_INVALID,	 /* cloud filter not added */

	__I40EVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */

	__I40EVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */

	__I40EVF_CF_ACTIVE,	 /* cloud filter is active */

};



/* Driver state. The order of these is important! */

enum i40evf_state_t {

	__I40EVF_STARTUP,		/* driver loaded, probe complete */
@@ -205,6 +215,36 @@ enum i40evf_critical_section_t { 
	__I40EVF_IN_REMOVE_TASK,	/* device being removed */

};



#define I40EVF_CLOUD_FIELD_OMAC		0x01

#define I40EVF_CLOUD_FIELD_IMAC		0x02

#define I40EVF_CLOUD_FIELD_IVLAN	0x04

#define I40EVF_CLOUD_FIELD_TEN_ID	0x08

#define I40EVF_CLOUD_FIELD_IIP		0x10



#define I40EVF_CF_FLAGS_OMAC	I40EVF_CLOUD_FIELD_OMAC

#define I40EVF_CF_FLAGS_IMAC	I40EVF_CLOUD_FIELD_IMAC

#define I40EVF_CF_FLAGS_IMAC_IVLAN	(I40EVF_CLOUD_FIELD_IMAC |\

					 I40EVF_CLOUD_FIELD_IVLAN)

#define I40EVF_CF_FLAGS_IMAC_TEN_ID	(I40EVF_CLOUD_FIELD_IMAC |\

					 I40EVF_CLOUD_FIELD_TEN_ID)

#define I40EVF_CF_FLAGS_OMAC_TEN_ID_IMAC	(I40EVF_CLOUD_FIELD_OMAC |\

						 I40EVF_CLOUD_FIELD_IMAC |\

						 I40EVF_CLOUD_FIELD_TEN_ID)

#define I40EVF_CF_FLAGS_IMAC_IVLAN_TEN_ID	(I40EVF_CLOUD_FIELD_IMAC |\

						 I40EVF_CLOUD_FIELD_IVLAN |\

						 I40EVF_CLOUD_FIELD_TEN_ID)

#define I40EVF_CF_FLAGS_IIP	I40E_CLOUD_FIELD_IIP



/* bookkeeping of cloud filters */

struct i40evf_cloud_filter {

	enum i40evf_cloud_filter_state_t state;

	struct list_head list;

	struct virtchnl_filter f;

	unsigned long cookie;

	bool del;		/* filter needs to be deleted */

	bool add;		/* filter needs to be added */

};



/* board specific private data structure */

struct i40evf_adapter {

	struct timer_list watchdog_timer;
@@ -287,6 +327,8 @@ struct i40evf_adapter { 
#define I40EVF_FLAG_AQ_DISABLE_VLAN_STRIPPING	BIT(20)

#define I40EVF_FLAG_AQ_ENABLE_CHANNELS		BIT(21)

#define I40EVF_FLAG_AQ_DISABLE_CHANNELS		BIT(22)

#define I40EVF_FLAG_AQ_ADD_CLOUD_FILTER		BIT(23)

#define I40EVF_FLAG_AQ_DEL_CLOUD_FILTER		BIT(24)



	/* OS defined structs */

	struct net_device *netdev;
@@ -335,6 +377,10 @@ struct i40evf_adapter { 
	/* ADQ related members */

	struct i40evf_channel_config ch_config;

	u8 num_tc;

	struct list_head cloud_filter_list;

	/* lock to protest access to the cloud filter list */

	spinlock_t cloud_filter_list_lock;

	u16 num_cloud_filters;

};
@@ -403,4 +449,6 @@ void i40evf_notify_client_open(struct i40e_vsi *vsi); 
void i40evf_notify_client_close(struct i40e_vsi *vsi, bool reset);

void i40evf_enable_channels(struct i40evf_adapter *adapter);

void i40evf_disable_channels(struct i40evf_adapter *adapter);

void i40evf_add_cloud_filter(struct i40evf_adapter *adapter);

void i40evf_del_cloud_filter(struct i40evf_adapter *adapter);

#endif /* _I40EVF_H_ */

drivers/net/ethernet/intel/i40evf/i40evf_main.c

+575 −5

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drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c

+187 −0

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