871 lines
29 KiB
C
871 lines
29 KiB
C
/*******************************************************************************
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*
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* Intel Ethernet Controller XL710 Family Linux Driver
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* Copyright(c) 2013 - 2016 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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#ifndef _I40E_H_
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#define _I40E_H_
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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/iommu.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/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/if_bridge.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_client.h"
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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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/* Useful i40e defaults */
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#define I40E_MAX_VEB 16
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#define I40E_MAX_NUM_DESCRIPTORS 4096
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#define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024)
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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 83 /* LAN, ATR, FCOE, 64 VF */
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/* max 16 qps */
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#define i40e_default_queues_per_vmdq(pf) \
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(((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1)
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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_pf_get_max_q_per_tc(pf) \
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(((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64)
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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 256
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#define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */
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#define I40E_MAX_USER_PRIORITY 8
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#define I40E_DEFAULT_TRAFFIC_CLASS BIT(0)
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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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#define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16)
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/* Ethtool Private Flags */
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#define I40E_PRIV_FLAGS_MFP_FLAG BIT(0)
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#define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1)
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#define I40E_PRIV_FLAGS_FD_ATR BIT(2)
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#define I40E_PRIV_FLAGS_VEB_STATS BIT(3)
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#define I40E_PRIV_FLAGS_HW_ATR_EVICT BIT(4)
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#define I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT BIT(5)
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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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#define I40E_OEM_VER_BUILD_MASK 0xffff
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#define I40E_OEM_VER_PATCH_MASK 0xff
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#define I40E_OEM_VER_BUILD_SHIFT 8
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#define I40E_OEM_VER_SHIFT 24
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#define I40E_PHY_DEBUG_ALL \
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(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
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I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
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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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#define I40E_RX_DESC(R, 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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/* 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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* i40e_is_mac_710 - Return true if MAC is X710/XL710
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* @hw: ptr to the hardware info
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**/
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static inline bool i40e_is_mac_710(struct i40e_hw *hw)
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{
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if ((hw->mac.type == I40E_MAC_X710) ||
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(hw->mac.type == I40E_MAC_XL710))
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return true;
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return false;
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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_EMP_RESET_INTR_RECEIVED,
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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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__I40E_PORT_TX_SUSPENDED,
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__I40E_VF_DISABLE,
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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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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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#define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2)
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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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#define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
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#define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
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#define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
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#define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
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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_ATR_TUNNEL,
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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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#define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
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(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
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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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#define I40E_ETH_P_LLDP 0x88cc
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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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/* 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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/* 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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struct i40e_udp_port_config {
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__be16 index;
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u8 type;
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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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struct msix_entry *msix_entries;
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bool fc_autoneg_status;
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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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u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */
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u16 num_iwarp_msix; /* num of iwarp vectors for this PF */
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int iwarp_base_vector;
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int queues_left; /* queues left unclaimed */
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u16 alloc_rss_size; /* allocated RSS queues */
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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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struct hlist_head fdir_filter_list;
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u16 fdir_pf_active_filters;
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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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struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
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u16 pending_udp_bitmap;
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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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u32 msg_enable;
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char int_name[I40E_INT_NAME_STR_LEN];
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u16 adminq_work_limit; /* num of admin receive queue desc to process */
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unsigned long service_timer_period;
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unsigned long service_timer_previous;
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struct timer_list service_timer;
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struct work_struct service_task;
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u64 flags;
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#define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
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#define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
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#define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
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#define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
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#define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
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#define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
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#define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
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#define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
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#ifdef I40E_FCOE
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#define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
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#endif /* I40E_FCOE */
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#define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
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#define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
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#define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16)
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#define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
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#define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
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#define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
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#define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
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#define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
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#define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
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#define I40E_FLAG_PTP BIT_ULL(25)
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#define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
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#define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27)
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#define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
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#define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
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#define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
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#define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
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#define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
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#define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
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#define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
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#define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
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#define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
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#define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
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#define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
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#define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41)
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#define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
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#define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43)
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#define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44)
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#define I40E_FLAG_NO_DCB_SUPPORT BIT_ULL(45)
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#define I40E_FLAG_USE_SET_LLDP_MIB BIT_ULL(46)
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#define I40E_FLAG_STOP_FW_LLDP BIT_ULL(47)
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#define I40E_FLAG_HAVE_10GBASET_PHY BIT_ULL(48)
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#define I40E_FLAG_PF_MAC BIT_ULL(50)
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#define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT_ULL(51)
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/* tracks features that get auto disabled by errors */
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u64 auto_disable_flags;
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#ifdef I40E_FCOE
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struct i40e_fcoe fcoe;
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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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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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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;
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#endif /* CONFIG_DEBUG_FS */
|
|
bool cur_promisc;
|
|
|
|
u16 instance; /* A unique number per i40e_pf instance in the system */
|
|
|
|
/* sr-iov config info */
|
|
struct i40e_vf *vf;
|
|
int num_alloc_vfs; /* actual number of VFs allocated */
|
|
u32 vf_aq_requests;
|
|
u32 arq_overflows; /* Not fatal, possibly indicative of problems */
|
|
|
|
/* DCBx/DCBNL capability for PF that indicates
|
|
* whether DCBx is managed by firmware or host
|
|
* based agent (LLDPAD). Also, indicates what
|
|
* flavor of DCBx protocol (IEEE/CEE) is supported
|
|
* by the device. For now we're supporting IEEE
|
|
* mode only.
|
|
*/
|
|
u16 dcbx_cap;
|
|
|
|
u32 fcoe_hmc_filt_num;
|
|
u32 fcoe_hmc_cntx_num;
|
|
struct i40e_filter_control_settings filter_settings;
|
|
|
|
struct ptp_clock *ptp_clock;
|
|
struct ptp_clock_info ptp_caps;
|
|
struct sk_buff *ptp_tx_skb;
|
|
struct hwtstamp_config tstamp_config;
|
|
unsigned long last_rx_ptp_check;
|
|
spinlock_t tmreg_lock; /* Used to protect the device time registers. */
|
|
u64 ptp_base_adj;
|
|
u32 tx_hwtstamp_timeouts;
|
|
u32 rx_hwtstamp_cleared;
|
|
bool ptp_tx;
|
|
bool ptp_rx;
|
|
u16 rss_table_size; /* HW RSS table size */
|
|
/* These are only valid in NPAR modes */
|
|
u32 npar_max_bw;
|
|
u32 npar_min_bw;
|
|
|
|
u32 ioremap_len;
|
|
u32 fd_inv;
|
|
u16 phy_led_val;
|
|
};
|
|
|
|
enum i40e_filter_state {
|
|
I40E_FILTER_INVALID = 0, /* Invalid state */
|
|
I40E_FILTER_NEW, /* New, not sent to FW yet */
|
|
I40E_FILTER_ACTIVE, /* Added to switch by FW */
|
|
I40E_FILTER_FAILED, /* Rejected by FW */
|
|
I40E_FILTER_REMOVE, /* To be removed */
|
|
/* There is no 'removed' state; the filter struct is freed */
|
|
};
|
|
struct i40e_mac_filter {
|
|
struct list_head list;
|
|
u8 macaddr[ETH_ALEN];
|
|
#define I40E_VLAN_ANY -1
|
|
s16 vlan;
|
|
u8 counter; /* number of instances of this filter */
|
|
bool is_vf; /* filter belongs to a VF */
|
|
bool is_netdev; /* filter belongs to a netdev */
|
|
enum i40e_filter_state state;
|
|
};
|
|
|
|
struct i40e_veb {
|
|
struct i40e_pf *pf;
|
|
u16 idx;
|
|
u16 veb_idx; /* index of VEB parent */
|
|
u16 seid;
|
|
u16 uplink_seid;
|
|
u16 stats_idx; /* index of VEB parent */
|
|
u8 enabled_tc;
|
|
u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */
|
|
u16 flags;
|
|
u16 bw_limit;
|
|
u8 bw_max_quanta;
|
|
bool is_abs_credits;
|
|
u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
|
|
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 i40e_veb_tc_stats tc_stats;
|
|
struct i40e_veb_tc_stats tc_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 BIT(0)
|
|
#define I40E_VSI_FLAG_VEB_OWNER BIT(1)
|
|
unsigned long flags;
|
|
|
|
/* Per VSI lock to protect elements/list (MAC filter) */
|
|
spinlock_t mac_filter_list_lock;
|
|
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;
|
|
u64 tx_linearize;
|
|
u64 tx_force_wb;
|
|
u64 tx_lost_interrupt;
|
|
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;
|
|
|
|
u32 active_filters;
|
|
u32 promisc_threshold;
|
|
|
|
u16 work_limit;
|
|
u16 int_rate_limit; /* value in usecs */
|
|
|
|
u16 rss_table_size; /* HW RSS table size */
|
|
u16 rss_size; /* Allocated RSS queues */
|
|
u8 *rss_hkey_user; /* User configured hash keys */
|
|
u8 *rss_lut_user; /* User configured lookup table entries */
|
|
|
|
|
|
u16 max_frame;
|
|
u16 rx_buf_len;
|
|
|
|
/* 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 req_queue_pairs; /* User requested queue pairs */
|
|
u16 num_queue_pairs; /* Used tx and rx pairs */
|
|
u16 num_desc;
|
|
enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
|
|
s16 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 */
|
|
bool current_isup; /* Sync 'link up' logging */
|
|
|
|
void *priv; /* client driver data reference. */
|
|
|
|
/* 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 */
|
|
|
|
#define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */
|
|
unsigned long hung_detected; /* Set/Reset for hung_detection logic */
|
|
|
|
cpumask_t affinity_mask;
|
|
struct rcu_head rcu; /* to avoid race with update stats on free */
|
|
char name[I40E_INT_NAME_STR_LEN];
|
|
bool arm_wb_state;
|
|
#define ITR_COUNTDOWN_START 100
|
|
u8 itr_countdown; /* when 0 should adjust ITR */
|
|
} ____cacheline_internodealigned_in_smp;
|
|
|
|
/* lan device */
|
|
struct i40e_device {
|
|
struct list_head list;
|
|
struct i40e_pf *pf;
|
|
};
|
|
|
|
/**
|
|
* i40e_nvm_version_str - format the NVM version strings
|
|
* @hw: ptr to the hardware info
|
|
**/
|
|
static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
|
|
{
|
|
static char buf[32];
|
|
u32 full_ver;
|
|
u8 ver, patch;
|
|
u16 build;
|
|
|
|
full_ver = hw->nvm.oem_ver;
|
|
ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
|
|
build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
|
|
I40E_OEM_VER_BUILD_MASK);
|
|
patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
"%x.%02x 0x%x %d.%d.%d",
|
|
(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, ver, build, patch);
|
|
|
|
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);
|
|
int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
|
|
int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
|
|
void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
|
|
u16 rss_table_size, u16 rss_size);
|
|
struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
|
|
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_add_del_fdir(struct i40e_vsi *vsi,
|
|
struct i40e_fdir_filter *input, bool add);
|
|
void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
|
|
u32 i40e_get_current_fd_count(struct i40e_pf *pf);
|
|
u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
|
|
u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
|
|
u32 i40e_get_global_fd_count(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
|
|
void i40e_service_event_schedule(struct i40e_pf *pf);
|
|
void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
|
|
u8 *msg, u16 len);
|
|
|
|
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);
|
|
int 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*/
|
|
/* needed by client drivers */
|
|
int i40e_lan_add_device(struct i40e_pf *pf);
|
|
int i40e_lan_del_device(struct i40e_pf *pf);
|
|
void i40e_client_subtask(struct i40e_pf *pf);
|
|
void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
|
|
void i40e_notify_client_of_netdev_open(struct i40e_vsi *vsi);
|
|
void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
|
|
void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
|
|
void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
|
|
int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id,
|
|
enum i40e_client_type type);
|
|
/**
|
|
* i40e_irq_dynamic_enable - Enable default interrupt generation settings
|
|
* @vsi: pointer to a vsi
|
|
* @vector: enable a particular Hw Interrupt vector, without base_vector
|
|
**/
|
|
static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
|
|
{
|
|
struct i40e_pf *pf = vsi->back;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
u32 val;
|
|
|
|
/* definitely clear the PBA here, as this function is meant to
|
|
* clean out all previous interrupts AND enable the interrupt
|
|
*/
|
|
val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
|
|
I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
|
|
(I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
|
|
wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
|
|
/* skip the flush */
|
|
}
|
|
|
|
void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
|
|
void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba);
|
|
#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_open(struct net_device *netdev);
|
|
int i40e_close(struct net_device *netdev);
|
|
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);
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int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
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struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
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bool is_vf, bool is_netdev);
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int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr,
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bool is_vf, bool is_netdev);
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bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
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struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
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bool is_vf, bool is_netdev);
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#ifdef I40E_FCOE
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int __i40e_setup_tc(struct net_device *netdev, u32 handle, __be16 proto,
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struct tc_to_netdev *tc);
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void i40e_netpoll(struct net_device *netdev);
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int i40e_fcoe_enable(struct net_device *netdev);
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int i40e_fcoe_disable(struct net_device *netdev);
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int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
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u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
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void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
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void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
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void i40e_init_pf_fcoe(struct i40e_pf *pf);
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int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
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void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
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int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
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union i40e_rx_desc *rx_desc,
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struct sk_buff *skb);
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void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
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union i40e_rx_desc *rx_desc, u8 prog_id);
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#endif /* I40E_FCOE */
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void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
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#ifdef CONFIG_I40E_DCB
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void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
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struct i40e_dcbx_config *old_cfg,
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struct i40e_dcbx_config *new_cfg);
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void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
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void i40e_dcbnl_setup(struct i40e_vsi *vsi);
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bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
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struct i40e_dcbx_config *old_cfg,
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struct i40e_dcbx_config *new_cfg);
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#endif /* CONFIG_I40E_DCB */
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void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
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void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
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void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
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void i40e_ptp_set_increment(struct i40e_pf *pf);
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int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
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int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
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void i40e_ptp_init(struct i40e_pf *pf);
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void i40e_ptp_stop(struct i40e_pf *pf);
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int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
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i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
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i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
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i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
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void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
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#endif /* _I40E_H_ */
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