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			726 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			726 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*******************************************************************************
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|  *
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|  * Intel Ethernet Controller XL710 Family Linux Driver
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|  * Copyright(c) 2013 - 2014 Intel Corporation.
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|  *
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|  * This program is free software; you can redistribute it and/or modify it
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|  * under the terms and conditions of the GNU General Public License,
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|  * version 2, as published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope it will be useful, but WITHOUT
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|  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|  * more details.
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|  *
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|  * You should have received a copy of the GNU General Public License along
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|  * with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  *
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|  * The full GNU General Public License is included in this distribution in
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|  * the file called "COPYING".
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|  *
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|  * Contact Information:
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|  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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|  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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|  *
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|  ******************************************************************************/
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| 
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| #ifndef _I40E_H_
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| #define _I40E_H_
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| 
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| #include <net/tcp.h>
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| #include <net/udp.h>
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| #include <linux/types.h>
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| #include <linux/errno.h>
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| #include <linux/module.h>
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| #include <linux/pci.h>
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| #include <linux/aer.h>
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| #include <linux/netdevice.h>
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| #include <linux/ioport.h>
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| #include <linux/slab.h>
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| #include <linux/list.h>
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| #include <linux/string.h>
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| #include <linux/in.h>
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| #include <linux/ip.h>
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| #include <linux/tcp.h>
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| #include <linux/sctp.h>
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| #include <linux/pkt_sched.h>
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| #include <linux/ipv6.h>
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| #include <net/checksum.h>
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| #include <net/ip6_checksum.h>
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| #include <linux/ethtool.h>
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| #include <linux/if_vlan.h>
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| #include <linux/clocksource.h>
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| #include <linux/net_tstamp.h>
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| #include <linux/ptp_clock_kernel.h>
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| #include "i40e_type.h"
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| #include "i40e_prototype.h"
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| #ifdef I40E_FCOE
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| #include "i40e_fcoe.h"
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| #endif
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| #include "i40e_virtchnl.h"
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| #include "i40e_virtchnl_pf.h"
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| #include "i40e_txrx.h"
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| #include "i40e_dcb.h"
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| 
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| /* Useful i40e defaults */
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| #define I40E_BASE_PF_SEID     16
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| #define I40E_BASE_VSI_SEID    512
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| #define I40E_BASE_VEB_SEID    288
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| #define I40E_MAX_VEB          16
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| 
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| #define I40E_MAX_NUM_DESCRIPTORS      4096
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| #define I40E_MAX_REGISTER     0x800000
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| #define I40E_DEFAULT_NUM_DESCRIPTORS  512
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| #define I40E_REQ_DESCRIPTOR_MULTIPLE  32
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| #define I40E_MIN_NUM_DESCRIPTORS      64
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| #define I40E_MIN_MSIX                 2
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| #define I40E_DEFAULT_NUM_VMDQ_VSI     8 /* max 256 VSIs */
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| #define I40E_MIN_VSI_ALLOC            51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
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| #define I40E_DEFAULT_QUEUES_PER_VMDQ  2 /* max 16 qps */
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| #define I40E_DEFAULT_QUEUES_PER_VF    4
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| #define I40E_DEFAULT_QUEUES_PER_TC    1 /* should be a power of 2 */
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| #define I40E_MAX_QUEUES_PER_TC        64 /* should be a power of 2 */
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| #define I40E_FDIR_RING                0
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| #define I40E_FDIR_RING_COUNT          32
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| #ifdef I40E_FCOE
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| #define I40E_DEFAULT_FCOE             8 /* default number of QPs for FCoE */
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| #define I40E_MINIMUM_FCOE             1 /* minimum number of QPs for FCoE */
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| #endif /* I40E_FCOE */
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| #define I40E_MAX_AQ_BUF_SIZE          4096
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| #define I40E_AQ_LEN                   32
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| #define I40E_AQ_WORK_LIMIT            16
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| #define I40E_MAX_USER_PRIORITY        8
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| #define I40E_DEFAULT_MSG_ENABLE       4
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| #define I40E_QUEUE_WAIT_RETRY_LIMIT   10
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| 
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| #define I40E_NVM_VERSION_LO_SHIFT  0
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| #define I40E_NVM_VERSION_LO_MASK   (0xff << I40E_NVM_VERSION_LO_SHIFT)
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| #define I40E_NVM_VERSION_HI_SHIFT  12
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| #define I40E_NVM_VERSION_HI_MASK   (0xf << I40E_NVM_VERSION_HI_SHIFT)
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| 
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| /* The values in here are decimal coded as hex as is the case in the NVM map*/
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| #define I40E_CURRENT_NVM_VERSION_HI 0x2
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| #define I40E_CURRENT_NVM_VERSION_LO 0x40
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| 
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| /* magic for getting defines into strings */
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| #define STRINGIFY(foo)  #foo
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| #define XSTRINGIFY(bar) STRINGIFY(bar)
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| 
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| #define I40E_RX_DESC(R, i)			\
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| 	((ring_is_16byte_desc_enabled(R))	\
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| 		? (union i40e_32byte_rx_desc *)	\
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| 			(&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
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| 		: (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
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| #define I40E_TX_DESC(R, i)			\
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| 	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
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| #define I40E_TX_CTXTDESC(R, i)			\
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| 	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
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| #define I40E_TX_FDIRDESC(R, i)			\
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| 	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
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| 
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| /* default to trying for four seconds */
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| #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
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| 
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| /* driver state flags */
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| enum i40e_state_t {
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| 	__I40E_TESTING,
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| 	__I40E_CONFIG_BUSY,
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| 	__I40E_CONFIG_DONE,
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| 	__I40E_DOWN,
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| 	__I40E_NEEDS_RESTART,
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| 	__I40E_SERVICE_SCHED,
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| 	__I40E_ADMINQ_EVENT_PENDING,
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| 	__I40E_MDD_EVENT_PENDING,
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| 	__I40E_VFLR_EVENT_PENDING,
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| 	__I40E_RESET_RECOVERY_PENDING,
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| 	__I40E_RESET_INTR_RECEIVED,
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| 	__I40E_REINIT_REQUESTED,
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| 	__I40E_PF_RESET_REQUESTED,
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| 	__I40E_CORE_RESET_REQUESTED,
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| 	__I40E_GLOBAL_RESET_REQUESTED,
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| 	__I40E_EMP_RESET_REQUESTED,
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| 	__I40E_FILTER_OVERFLOW_PROMISC,
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| 	__I40E_SUSPENDED,
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| 	__I40E_PTP_TX_IN_PROGRESS,
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| 	__I40E_BAD_EEPROM,
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| 	__I40E_DOWN_REQUESTED,
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| 	__I40E_FD_FLUSH_REQUESTED,
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| 	__I40E_RESET_FAILED,
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| };
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| 
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| enum i40e_interrupt_policy {
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| 	I40E_INTERRUPT_BEST_CASE,
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| 	I40E_INTERRUPT_MEDIUM,
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| 	I40E_INTERRUPT_LOWEST
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| };
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| 
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| struct i40e_lump_tracking {
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| 	u16 num_entries;
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| 	u16 search_hint;
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| 	u16 list[0];
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| #define I40E_PILE_VALID_BIT  0x8000
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| };
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| 
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| #define I40E_DEFAULT_ATR_SAMPLE_RATE	20
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| #define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
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| #define I40E_FDIR_BUFFER_FULL_MARGIN	10
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| #define I40E_FDIR_BUFFER_HEAD_ROOM	32
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| 
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| enum i40e_fd_stat_idx {
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| 	I40E_FD_STAT_ATR,
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| 	I40E_FD_STAT_SB,
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| 	I40E_FD_STAT_PF_COUNT
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| };
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| #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
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| #define I40E_FD_ATR_STAT_IDX(pf_id) \
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| 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
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| #define I40E_FD_SB_STAT_IDX(pf_id)  \
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| 			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
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| 
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| struct i40e_fdir_filter {
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| 	struct hlist_node fdir_node;
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| 	/* filter ipnut set */
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| 	u8 flow_type;
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| 	u8 ip4_proto;
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| 	/* TX packet view of src and dst */
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| 	__be32 dst_ip[4];
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| 	__be32 src_ip[4];
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| 	__be16 src_port;
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| 	__be16 dst_port;
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| 	__be32 sctp_v_tag;
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| 	/* filter control */
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| 	u16 q_index;
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| 	u8  flex_off;
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| 	u8  pctype;
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| 	u16 dest_vsi;
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| 	u8  dest_ctl;
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| 	u8  fd_status;
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| 	u16 cnt_index;
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| 	u32 fd_id;
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| };
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| 
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| #define I40E_ETH_P_LLDP			0x88cc
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| 
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| #define I40E_DCB_PRIO_TYPE_STRICT	0
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| #define I40E_DCB_PRIO_TYPE_ETS		1
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| #define I40E_DCB_STRICT_PRIO_CREDITS	127
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| #define I40E_MAX_USER_PRIORITY	8
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| /* DCB per TC information data structure */
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| struct i40e_tc_info {
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| 	u16	qoffset;	/* Queue offset from base queue */
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| 	u16	qcount;		/* Total Queues */
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| 	u8	netdev_tc;	/* Netdev TC index if netdev associated */
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| };
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| 
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| /* TC configuration data structure */
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| struct i40e_tc_configuration {
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| 	u8	numtc;		/* Total number of enabled TCs */
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| 	u8	enabled_tc;	/* TC map */
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| 	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
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| };
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| 
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| /* struct that defines the Ethernet device */
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| struct i40e_pf {
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| 	struct pci_dev *pdev;
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| 	struct i40e_hw hw;
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| 	unsigned long state;
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| 	unsigned long link_check_timeout;
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| 	struct msix_entry *msix_entries;
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| 	bool fc_autoneg_status;
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| 
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| 	u16 eeprom_version;
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| 	u16 num_vmdq_vsis;         /* num vmdq vsis this pf has set up */
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| 	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
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| 	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
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| 	u16 num_req_vfs;           /* num vfs requested for this vf */
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| 	u16 num_vf_qps;            /* num queue pairs per vf */
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| #ifdef I40E_FCOE
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| 	u16 num_fcoe_qps;          /* num fcoe queues this pf has set up */
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| 	u16 num_fcoe_msix;         /* num queue vectors per fcoe pool */
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| #endif /* I40E_FCOE */
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| 	u16 num_lan_qps;           /* num lan queues this pf has set up */
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| 	u16 num_lan_msix;          /* num queue vectors for the base pf vsi */
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| 	int queues_left;           /* queues left unclaimed */
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| 	u16 rss_size;              /* num queues in the RSS array */
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| 	u16 rss_size_max;          /* HW defined max RSS queues */
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| 	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
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| 	u16 num_alloc_vsi;         /* num VSIs this driver supports */
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| 	u8 atr_sample_rate;
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| 	bool wol_en;
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| 
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| 	struct hlist_head fdir_filter_list;
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| 	u16 fdir_pf_active_filters;
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| 	u16 fd_sb_cnt_idx;
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| 	u16 fd_atr_cnt_idx;
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| 	unsigned long fd_flush_timestamp;
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| 	u32 fd_flush_cnt;
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| 	u32 fd_add_err;
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| 	u32 fd_atr_cnt;
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| 	u32 fd_tcp_rule;
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| 
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| #ifdef CONFIG_I40E_VXLAN
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| 	__be16  vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
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| 	u16 pending_vxlan_bitmap;
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| 
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| #endif
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| 	enum i40e_interrupt_policy int_policy;
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| 	u16 rx_itr_default;
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| 	u16 tx_itr_default;
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| 	u16 msg_enable;
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| 	char misc_int_name[IFNAMSIZ + 9];
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| 	u16 adminq_work_limit; /* num of admin receive queue desc to process */
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| 	int service_timer_period;
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| 	struct timer_list service_timer;
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| 	struct work_struct service_task;
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| 
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| 	u64 flags;
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| #define I40E_FLAG_RX_CSUM_ENABLED              (u64)(1 << 1)
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| #define I40E_FLAG_MSI_ENABLED                  (u64)(1 << 2)
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| #define I40E_FLAG_MSIX_ENABLED                 (u64)(1 << 3)
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| #define I40E_FLAG_RX_1BUF_ENABLED              (u64)(1 << 4)
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| #define I40E_FLAG_RX_PS_ENABLED                (u64)(1 << 5)
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| #define I40E_FLAG_RSS_ENABLED                  (u64)(1 << 6)
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| #define I40E_FLAG_VMDQ_ENABLED                 (u64)(1 << 7)
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| #define I40E_FLAG_FDIR_REQUIRES_REINIT         (u64)(1 << 8)
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| #define I40E_FLAG_NEED_LINK_UPDATE             (u64)(1 << 9)
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| #ifdef I40E_FCOE
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| #define I40E_FLAG_FCOE_ENABLED                 (u64)(1 << 11)
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| #endif /* I40E_FCOE */
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| #define I40E_FLAG_IN_NETPOLL                   (u64)(1 << 12)
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| #define I40E_FLAG_16BYTE_RX_DESC_ENABLED       (u64)(1 << 13)
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| #define I40E_FLAG_CLEAN_ADMINQ                 (u64)(1 << 14)
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| #define I40E_FLAG_FILTER_SYNC                  (u64)(1 << 15)
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| #define I40E_FLAG_PROCESS_MDD_EVENT            (u64)(1 << 17)
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| #define I40E_FLAG_PROCESS_VFLR_EVENT           (u64)(1 << 18)
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| #define I40E_FLAG_SRIOV_ENABLED                (u64)(1 << 19)
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| #define I40E_FLAG_DCB_ENABLED                  (u64)(1 << 20)
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| #define I40E_FLAG_FD_SB_ENABLED                (u64)(1 << 21)
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| #define I40E_FLAG_FD_ATR_ENABLED               (u64)(1 << 22)
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| #define I40E_FLAG_PTP                          (u64)(1 << 25)
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| #define I40E_FLAG_MFP_ENABLED                  (u64)(1 << 26)
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| #ifdef CONFIG_I40E_VXLAN
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| #define I40E_FLAG_VXLAN_FILTER_SYNC            (u64)(1 << 27)
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| #endif
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| #define I40E_FLAG_PORT_ID_VALID                (u64)(1 << 28)
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| #define I40E_FLAG_DCB_CAPABLE                  (u64)(1 << 29)
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| 
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| 	/* tracks features that get auto disabled by errors */
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| 	u64 auto_disable_flags;
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| 
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| #ifdef I40E_FCOE
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| 	struct i40e_fcoe fcoe;
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| 
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| #endif /* I40E_FCOE */
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| 	bool stat_offsets_loaded;
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| 	struct i40e_hw_port_stats stats;
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| 	struct i40e_hw_port_stats stats_offsets;
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| 	u32 tx_timeout_count;
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| 	u32 tx_timeout_recovery_level;
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| 	unsigned long tx_timeout_last_recovery;
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| 	u32 tx_sluggish_count;
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| 	u32 hw_csum_rx_error;
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| 	u32 led_status;
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| 	u16 corer_count; /* Core reset count */
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| 	u16 globr_count; /* Global reset count */
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| 	u16 empr_count; /* EMP reset count */
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| 	u16 pfr_count; /* PF reset count */
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| 	u16 sw_int_count; /* SW interrupt count */
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| 
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| 	struct mutex switch_mutex;
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| 	u16 lan_vsi;       /* our default LAN VSI */
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| 	u16 lan_veb;       /* initial relay, if exists */
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| #define I40E_NO_VEB   0xffff
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| #define I40E_NO_VSI   0xffff
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| 	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
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| 	struct i40e_vsi **vsi;
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| 	struct i40e_veb *veb[I40E_MAX_VEB];
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| 
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| 	struct i40e_lump_tracking *qp_pile;
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| 	struct i40e_lump_tracking *irq_pile;
 | |
| 
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| 	/* switch config info */
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| 	u16 pf_seid;
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| 	u16 main_vsi_seid;
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| 	u16 mac_seid;
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| 	struct kobject *switch_kobj;
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| #ifdef CONFIG_DEBUG_FS
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| 	struct dentry *i40e_dbg_pf;
 | |
| #endif /* CONFIG_DEBUG_FS */
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| 
 | |
| 	u16 instance; /* A unique number per i40e_pf instance in the system */
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| 
 | |
| 	/* sr-iov config info */
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| 	struct i40e_vf *vf;
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| 	int num_alloc_vfs;	/* actual number of VFs allocated */
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| 	u32 vf_aq_requests;
 | |
| 
 | |
| 	/* DCBx/DCBNL capability for PF that indicates
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| 	 * whether DCBx is managed by firmware or host
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| 	 * based agent (LLDPAD). Also, indicates what
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| 	 * flavor of DCBx protocol (IEEE/CEE) is supported
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| 	 * by the device. For now we're supporting IEEE
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| 	 * mode only.
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| 	 */
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| 	u16 dcbx_cap;
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| 
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| 	u32	fcoe_hmc_filt_num;
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| 	u32	fcoe_hmc_cntx_num;
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| 	struct i40e_filter_control_settings filter_settings;
 | |
| 
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| 	struct ptp_clock *ptp_clock;
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| 	struct ptp_clock_info ptp_caps;
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| 	struct sk_buff *ptp_tx_skb;
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| 	struct hwtstamp_config tstamp_config;
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| 	unsigned long last_rx_ptp_check;
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| 	spinlock_t tmreg_lock; /* Used to protect the device time registers. */
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| 	u64 ptp_base_adj;
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| 	u32 tx_hwtstamp_timeouts;
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| 	u32 rx_hwtstamp_cleared;
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| 	bool ptp_tx;
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| 	bool ptp_rx;
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| 	u16 rss_table_size;
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| };
 | |
| 
 | |
| struct i40e_mac_filter {
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| 	struct list_head list;
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| 	u8 macaddr[ETH_ALEN];
 | |
| #define I40E_VLAN_ANY -1
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| 	s16 vlan;
 | |
| 	u8 counter;		/* number of instances of this filter */
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| 	bool is_vf;		/* filter belongs to a VF */
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| 	bool is_netdev;		/* filter belongs to a netdev */
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| 	bool changed;		/* filter needs to be sync'd to the HW */
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| 	bool is_laa;		/* filter is a Locally Administered Address */
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| };
 | |
| 
 | |
| struct i40e_veb {
 | |
| 	struct i40e_pf *pf;
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| 	u16 idx;
 | |
| 	u16 veb_idx;           /* index of VEB parent */
 | |
| 	u16 seid;
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| 	u16 uplink_seid;
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| 	u16 stats_idx;           /* index of VEB parent */
 | |
| 	u8  enabled_tc;
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| 	u16 flags;
 | |
| 	u16 bw_limit;
 | |
| 	u8  bw_max_quanta;
 | |
| 	bool is_abs_credits;
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| 	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
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| 	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 | |
| 	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 | |
| 	struct kobject *kobj;
 | |
| 	bool stat_offsets_loaded;
 | |
| 	struct i40e_eth_stats stats;
 | |
| 	struct i40e_eth_stats stats_offsets;
 | |
| };
 | |
| 
 | |
| /* struct that defines a VSI, associated with a dev */
 | |
| struct i40e_vsi {
 | |
| 	struct net_device *netdev;
 | |
| 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 | |
| 	bool netdev_registered;
 | |
| 	bool stat_offsets_loaded;
 | |
| 
 | |
| 	u32 current_netdev_flags;
 | |
| 	unsigned long state;
 | |
| #define I40E_VSI_FLAG_FILTER_CHANGED  (1<<0)
 | |
| #define I40E_VSI_FLAG_VEB_OWNER       (1<<1)
 | |
| 	unsigned long flags;
 | |
| 
 | |
| 	struct list_head mac_filter_list;
 | |
| 
 | |
| 	/* VSI stats */
 | |
| 	struct rtnl_link_stats64 net_stats;
 | |
| 	struct rtnl_link_stats64 net_stats_offsets;
 | |
| 	struct i40e_eth_stats eth_stats;
 | |
| 	struct i40e_eth_stats eth_stats_offsets;
 | |
| #ifdef I40E_FCOE
 | |
| 	struct i40e_fcoe_stats fcoe_stats;
 | |
| 	struct i40e_fcoe_stats fcoe_stats_offsets;
 | |
| 	bool fcoe_stat_offsets_loaded;
 | |
| #endif
 | |
| 	u32 tx_restart;
 | |
| 	u32 tx_busy;
 | |
| 	u32 rx_buf_failed;
 | |
| 	u32 rx_page_failed;
 | |
| 
 | |
| 	/* These are containers of ring pointers, allocated at run-time */
 | |
| 	struct i40e_ring **rx_rings;
 | |
| 	struct i40e_ring **tx_rings;
 | |
| 
 | |
| 	u16 work_limit;
 | |
| 	/* high bit set means dynamic, use accessor routines to read/write.
 | |
| 	 * hardware only supports 2us resolution for the ITR registers.
 | |
| 	 * these values always store the USER setting, and must be converted
 | |
| 	 * before programming to a register.
 | |
| 	 */
 | |
| 	u16 rx_itr_setting;
 | |
| 	u16 tx_itr_setting;
 | |
| 
 | |
| 	u16 max_frame;
 | |
| 	u16 rx_hdr_len;
 | |
| 	u16 rx_buf_len;
 | |
| 	u8  dtype;
 | |
| 
 | |
| 	/* List of q_vectors allocated to this VSI */
 | |
| 	struct i40e_q_vector **q_vectors;
 | |
| 	int num_q_vectors;
 | |
| 	int base_vector;
 | |
| 	bool irqs_ready;
 | |
| 
 | |
| 	u16 seid;            /* HW index of this VSI (absolute index) */
 | |
| 	u16 id;              /* VSI number */
 | |
| 	u16 uplink_seid;
 | |
| 
 | |
| 	u16 base_queue;      /* vsi's first queue in hw array */
 | |
| 	u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
 | |
| 	u16 num_queue_pairs; /* Used tx and rx pairs */
 | |
| 	u16 num_desc;
 | |
| 	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
 | |
| 	u16 vf_id;		/* Virtual function ID for SRIOV VSIs */
 | |
| 
 | |
| 	struct i40e_tc_configuration tc_config;
 | |
| 	struct i40e_aqc_vsi_properties_data info;
 | |
| 
 | |
| 	/* VSI BW limit (absolute across all TCs) */
 | |
| 	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
 | |
| 	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */
 | |
| 
 | |
| 	/* Relative TC credits across VSIs */
 | |
| 	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
 | |
| 	/* TC BW limit credits within VSI */
 | |
| 	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
 | |
| 	/* TC BW limit max quanta within VSI */
 | |
| 	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
 | |
| 
 | |
| 	struct i40e_pf *back;  /* Backreference to associated PF */
 | |
| 	u16 idx;               /* index in pf->vsi[] */
 | |
| 	u16 veb_idx;           /* index of VEB parent */
 | |
| 	struct kobject *kobj;  /* sysfs object */
 | |
| 
 | |
| 	/* VSI specific handlers */
 | |
| 	irqreturn_t (*irq_handler)(int irq, void *data);
 | |
| } ____cacheline_internodealigned_in_smp;
 | |
| 
 | |
| struct i40e_netdev_priv {
 | |
| 	struct i40e_vsi *vsi;
 | |
| };
 | |
| 
 | |
| /* struct that defines an interrupt vector */
 | |
| struct i40e_q_vector {
 | |
| 	struct i40e_vsi *vsi;
 | |
| 
 | |
| 	u16 v_idx;		/* index in the vsi->q_vector array. */
 | |
| 	u16 reg_idx;		/* register index of the interrupt */
 | |
| 
 | |
| 	struct napi_struct napi;
 | |
| 
 | |
| 	struct i40e_ring_container rx;
 | |
| 	struct i40e_ring_container tx;
 | |
| 
 | |
| 	u8 num_ringpairs;	/* total number of ring pairs in vector */
 | |
| 
 | |
| 	cpumask_t affinity_mask;
 | |
| 	struct rcu_head rcu;	/* to avoid race with update stats on free */
 | |
| 	char name[IFNAMSIZ + 9];
 | |
| } ____cacheline_internodealigned_in_smp;
 | |
| 
 | |
| /* lan device */
 | |
| struct i40e_device {
 | |
| 	struct list_head list;
 | |
| 	struct i40e_pf *pf;
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * i40e_fw_version_str - format the FW and NVM version strings
 | |
|  * @hw: ptr to the hardware info
 | |
|  **/
 | |
| static inline char *i40e_fw_version_str(struct i40e_hw *hw)
 | |
| {
 | |
| 	static char buf[32];
 | |
| 
 | |
| 	snprintf(buf, sizeof(buf),
 | |
| 		 "f%d.%d a%d.%d n%02x.%02x e%08x",
 | |
| 		 hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
 | |
| 		 hw->aq.api_maj_ver, hw->aq.api_min_ver,
 | |
| 		 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
 | |
| 			I40E_NVM_VERSION_HI_SHIFT,
 | |
| 		 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
 | |
| 			I40E_NVM_VERSION_LO_SHIFT,
 | |
| 		 hw->nvm.eetrack);
 | |
| 
 | |
| 	return buf;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
 | |
|  * @netdev: the corresponding netdev
 | |
|  *
 | |
|  * Return the PF struct for the given netdev
 | |
|  **/
 | |
| static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
 | |
| {
 | |
| 	struct i40e_netdev_priv *np = netdev_priv(netdev);
 | |
| 	struct i40e_vsi *vsi = np->vsi;
 | |
| 
 | |
| 	return vsi->back;
 | |
| }
 | |
| 
 | |
| static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
 | |
| 				irqreturn_t (*irq_handler)(int, void *))
 | |
| {
 | |
| 	vsi->irq_handler = irq_handler;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * i40e_rx_is_programming_status - check for programming status descriptor
 | |
|  * @qw: the first quad word of the program status descriptor
 | |
|  *
 | |
|  * The value of in the descriptor length field indicate if this
 | |
|  * is a programming status descriptor for flow director or FCoE
 | |
|  * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
 | |
|  * it is a packet descriptor.
 | |
|  **/
 | |
| static inline bool i40e_rx_is_programming_status(u64 qw)
 | |
| {
 | |
| 	return I40E_RX_PROG_STATUS_DESC_LENGTH ==
 | |
| 		(qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * i40e_get_fd_cnt_all - get the total FD filter space available
 | |
|  * @pf: pointer to the pf struct
 | |
|  **/
 | |
| static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
 | |
| {
 | |
| 	return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
 | |
| }
 | |
| 
 | |
| /* needed by i40e_ethtool.c */
 | |
| int i40e_up(struct i40e_vsi *vsi);
 | |
| void i40e_down(struct i40e_vsi *vsi);
 | |
| extern const char i40e_driver_name[];
 | |
| extern const char i40e_driver_version_str[];
 | |
| void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
 | |
| void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
 | |
| void i40e_update_stats(struct i40e_vsi *vsi);
 | |
| void i40e_update_eth_stats(struct i40e_vsi *vsi);
 | |
| struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
 | |
| int i40e_fetch_switch_configuration(struct i40e_pf *pf,
 | |
| 				    bool printconfig);
 | |
| 
 | |
| int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
 | |
| 			     struct i40e_pf *pf, bool add);
 | |
| int i40e_add_del_fdir(struct i40e_vsi *vsi,
 | |
| 		      struct i40e_fdir_filter *input, bool add);
 | |
| void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
 | |
| int i40e_get_current_fd_count(struct i40e_pf *pf);
 | |
| int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
 | |
| int i40e_get_current_atr_cnt(struct i40e_pf *pf);
 | |
| bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
 | |
| void i40e_set_ethtool_ops(struct net_device *netdev);
 | |
| struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 | |
| 					u8 *macaddr, s16 vlan,
 | |
| 					bool is_vf, bool is_netdev);
 | |
| void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
 | |
| 		     bool is_vf, bool is_netdev);
 | |
| int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
 | |
| struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 | |
| 				u16 uplink, u32 param1);
 | |
| int i40e_vsi_release(struct i40e_vsi *vsi);
 | |
| struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
 | |
| 				 struct i40e_vsi *start_vsi);
 | |
| #ifdef I40E_FCOE
 | |
| void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
 | |
| 			      struct i40e_vsi_context *ctxt,
 | |
| 			      u8 enabled_tc, bool is_add);
 | |
| #endif
 | |
| int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
 | |
| int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
 | |
| struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
 | |
| 				u16 downlink_seid, u8 enabled_tc);
 | |
| void i40e_veb_release(struct i40e_veb *veb);
 | |
| 
 | |
| int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
 | |
| i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
 | |
| void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
 | |
| void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
 | |
| void i40e_pf_reset_stats(struct i40e_pf *pf);
 | |
| #ifdef CONFIG_DEBUG_FS
 | |
| void i40e_dbg_pf_init(struct i40e_pf *pf);
 | |
| void i40e_dbg_pf_exit(struct i40e_pf *pf);
 | |
| void i40e_dbg_init(void);
 | |
| void i40e_dbg_exit(void);
 | |
| #else
 | |
| static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
 | |
| static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
 | |
| static inline void i40e_dbg_init(void) {}
 | |
| static inline void i40e_dbg_exit(void) {}
 | |
| #endif /* CONFIG_DEBUG_FS*/
 | |
| void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
 | |
| void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
 | |
| void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
 | |
| void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
 | |
| #ifdef I40E_FCOE
 | |
| struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
 | |
| 					     struct net_device *netdev,
 | |
| 					     struct rtnl_link_stats64 *storage);
 | |
| int i40e_set_mac(struct net_device *netdev, void *p);
 | |
| void i40e_set_rx_mode(struct net_device *netdev);
 | |
| #endif
 | |
| int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
 | |
| #ifdef I40E_FCOE
 | |
| void i40e_tx_timeout(struct net_device *netdev);
 | |
| int i40e_vlan_rx_add_vid(struct net_device *netdev,
 | |
| 			 __always_unused __be16 proto, u16 vid);
 | |
| int i40e_vlan_rx_kill_vid(struct net_device *netdev,
 | |
| 			  __always_unused __be16 proto, u16 vid);
 | |
| #endif
 | |
| int i40e_vsi_open(struct i40e_vsi *vsi);
 | |
| void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
 | |
| int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
 | |
| int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
 | |
| struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
 | |
| 					     bool is_vf, bool is_netdev);
 | |
| bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
 | |
| struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
 | |
| 				      bool is_vf, bool is_netdev);
 | |
| #ifdef I40E_FCOE
 | |
| int i40e_open(struct net_device *netdev);
 | |
| int i40e_close(struct net_device *netdev);
 | |
| int i40e_setup_tc(struct net_device *netdev, u8 tc);
 | |
| void i40e_netpoll(struct net_device *netdev);
 | |
| int i40e_fcoe_enable(struct net_device *netdev);
 | |
| int i40e_fcoe_disable(struct net_device *netdev);
 | |
| int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
 | |
| u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
 | |
| void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
 | |
| void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
 | |
| int i40e_init_pf_fcoe(struct i40e_pf *pf);
 | |
| int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
 | |
| void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
 | |
| int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
 | |
| 			     union i40e_rx_desc *rx_desc,
 | |
| 			     struct sk_buff *skb);
 | |
| void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
 | |
| 			     union i40e_rx_desc *rx_desc, u8 prog_id);
 | |
| #endif /* I40E_FCOE */
 | |
| void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
 | |
| #ifdef CONFIG_I40E_DCB
 | |
| void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
 | |
| 			   struct i40e_dcbx_config *new_cfg);
 | |
| void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
 | |
| void i40e_dcbnl_setup(struct i40e_vsi *vsi);
 | |
| bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
 | |
| 			    struct i40e_dcbx_config *old_cfg,
 | |
| 			    struct i40e_dcbx_config *new_cfg);
 | |
| #endif /* CONFIG_I40E_DCB */
 | |
| void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
 | |
| void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
 | |
| void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
 | |
| void i40e_ptp_set_increment(struct i40e_pf *pf);
 | |
| int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 | |
| int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
 | |
| void i40e_ptp_init(struct i40e_pf *pf);
 | |
| void i40e_ptp_stop(struct i40e_pf *pf);
 | |
| #endif /* _I40E_H_ */
 | 
