991 lines
27 KiB
C
991 lines
27 KiB
C
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/*
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* Copyright (C) 2005 - 2016 Broadcom
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation. The full GNU General
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* Public License is included in this distribution in the file called COPYING.
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*
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* Contact Information:
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* linux-drivers@emulex.com
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*
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* Emulex
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* 3333 Susan Street
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* Costa Mesa, CA 92626
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*/
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#ifndef BE_H
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#define BE_H
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#include <linux/pci.h>
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#include <linux/etherdevice.h>
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#include <linux/delay.h>
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#include <net/tcp.h>
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#include <net/ip.h>
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#include <net/ipv6.h>
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#include <linux/if_vlan.h>
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#include <linux/workqueue.h>
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#include <linux/interrupt.h>
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#include <linux/firmware.h>
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#include <linux/slab.h>
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#include <linux/u64_stats_sync.h>
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#include <linux/cpumask.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-sysfs.h>
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#include "be_hw.h"
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#include "be_roce.h"
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#define DRV_VER "11.1.0.0"
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#define DRV_NAME "be2net"
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#define BE_NAME "Emulex BladeEngine2"
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#define BE3_NAME "Emulex BladeEngine3"
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#define OC_NAME "Emulex OneConnect"
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#define OC_NAME_BE OC_NAME "(be3)"
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#define OC_NAME_LANCER OC_NAME "(Lancer)"
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#define OC_NAME_SH OC_NAME "(Skyhawk)"
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#define DRV_DESC "Emulex OneConnect NIC Driver"
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#define BE_VENDOR_ID 0x19a2
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#define EMULEX_VENDOR_ID 0x10df
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#define BE_DEVICE_ID1 0x211
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#define BE_DEVICE_ID2 0x221
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#define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
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#define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
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#define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
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#define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
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#define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
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#define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
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#define OC_SUBSYS_DEVICE_ID1 0xE602
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#define OC_SUBSYS_DEVICE_ID2 0xE642
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#define OC_SUBSYS_DEVICE_ID3 0xE612
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#define OC_SUBSYS_DEVICE_ID4 0xE652
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/* Number of bytes of an RX frame that are copied to skb->data */
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#define BE_HDR_LEN ((u16) 64)
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/* allocate extra space to allow tunneling decapsulation without head reallocation */
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#define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
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#define BE_MAX_JUMBO_FRAME_SIZE 9018
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#define BE_MIN_MTU 256
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#define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
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(ETH_HLEN + ETH_FCS_LEN))
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/* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */
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#define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN)
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#define BE_NUM_VLANS_SUPPORTED 64
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#define BE_MAX_EQD 128u
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#define BE_MAX_TX_FRAG_COUNT 30
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#define EVNT_Q_LEN 1024
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#define TX_Q_LEN 2048
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#define TX_CQ_LEN 1024
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#define RX_Q_LEN 1024 /* Does not support any other value */
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#define RX_CQ_LEN 1024
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#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
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#define MCC_CQ_LEN 256
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#define BE2_MAX_RSS_QS 4
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#define BE3_MAX_RSS_QS 16
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#define BE3_MAX_TX_QS 16
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#define BE3_MAX_EVT_QS 16
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#define BE3_SRIOV_MAX_EVT_QS 8
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#define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs
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* and at least 1 is granted to either
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* SURF/DPDK
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*/
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#define MAX_PORT_RSS_TABLES 15
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#define MAX_NIC_FUNCS 16
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#define MAX_RX_QS 32
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#define MAX_EVT_QS 32
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#define MAX_TX_QS 32
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#define MAX_ROCE_EQS 5
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#define MAX_MSIX_VECTORS 32
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#define MIN_MSIX_VECTORS 1
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#define BE_NAPI_WEIGHT 64
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#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
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#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
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#define MAX_NUM_POST_ERX_DB 255u
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#define MAX_VFS 30 /* Max VFs supported by BE3 FW */
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#define FW_VER_LEN 32
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#define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
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#define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
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#define RSS_INDIR_TABLE_LEN 128
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#define RSS_HASH_KEY_LEN 40
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#define BE_UNKNOWN_PHY_STATE 0xFF
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struct be_dma_mem {
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void *va;
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dma_addr_t dma;
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u32 size;
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};
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struct be_queue_info {
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u32 len;
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u32 entry_size; /* Size of an element in the queue */
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u32 tail, head;
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atomic_t used; /* Number of valid elements in the queue */
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u32 id;
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struct be_dma_mem dma_mem;
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bool created;
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};
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static inline u32 MODULO(u32 val, u32 limit)
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{
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BUG_ON(limit & (limit - 1));
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return val & (limit - 1);
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}
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static inline void index_adv(u32 *index, u32 val, u32 limit)
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{
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*index = MODULO((*index + val), limit);
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}
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static inline void index_inc(u32 *index, u32 limit)
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{
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*index = MODULO((*index + 1), limit);
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}
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static inline void *queue_head_node(struct be_queue_info *q)
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{
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return q->dma_mem.va + q->head * q->entry_size;
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}
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static inline void *queue_tail_node(struct be_queue_info *q)
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{
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return q->dma_mem.va + q->tail * q->entry_size;
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}
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static inline void *queue_index_node(struct be_queue_info *q, u16 index)
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{
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return q->dma_mem.va + index * q->entry_size;
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}
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static inline void queue_head_inc(struct be_queue_info *q)
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{
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index_inc(&q->head, q->len);
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}
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static inline void index_dec(u32 *index, u32 limit)
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{
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*index = MODULO((*index - 1), limit);
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}
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static inline void queue_tail_inc(struct be_queue_info *q)
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{
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index_inc(&q->tail, q->len);
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}
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struct be_eq_obj {
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struct be_queue_info q;
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char desc[32];
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/* Adaptive interrupt coalescing (AIC) info */
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bool enable_aic;
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u32 min_eqd; /* in usecs */
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u32 max_eqd; /* in usecs */
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u32 eqd; /* configured val when aic is off */
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u32 cur_eqd; /* in usecs */
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u8 idx; /* array index */
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u8 msix_idx;
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u16 spurious_intr;
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struct napi_struct napi;
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struct be_adapter *adapter;
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cpumask_var_t affinity_mask;
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#ifdef CONFIG_NET_RX_BUSY_POLL
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#define BE_EQ_IDLE 0
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#define BE_EQ_NAPI 1 /* napi owns this EQ */
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#define BE_EQ_POLL 2 /* poll owns this EQ */
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#define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL)
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#define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */
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#define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */
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#define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
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#define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD)
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unsigned int state;
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spinlock_t lock; /* lock to serialize napi and busy-poll */
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#endif /* CONFIG_NET_RX_BUSY_POLL */
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} ____cacheline_aligned_in_smp;
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struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
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bool enable;
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u32 min_eqd; /* in usecs */
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u32 max_eqd; /* in usecs */
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u32 prev_eqd; /* in usecs */
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u32 et_eqd; /* configured val when aic is off */
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ulong jiffies;
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u64 rx_pkts_prev; /* Used to calculate RX pps */
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u64 tx_reqs_prev; /* Used to calculate TX pps */
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};
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enum {
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NAPI_POLLING,
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BUSY_POLLING
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};
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struct be_mcc_obj {
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struct be_queue_info q;
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struct be_queue_info cq;
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bool rearm_cq;
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};
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struct be_tx_stats {
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u64 tx_bytes;
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u64 tx_pkts;
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u64 tx_vxlan_offload_pkts;
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u64 tx_reqs;
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u64 tx_compl;
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ulong tx_jiffies;
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u32 tx_stops;
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u32 tx_drv_drops; /* pkts dropped by driver */
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/* the error counters are described in be_ethtool.c */
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u32 tx_hdr_parse_err;
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u32 tx_dma_err;
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u32 tx_tso_err;
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u32 tx_spoof_check_err;
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u32 tx_qinq_err;
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u32 tx_internal_parity_err;
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struct u64_stats_sync sync;
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struct u64_stats_sync sync_compl;
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};
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/* Structure to hold some data of interest obtained from a TX CQE */
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struct be_tx_compl_info {
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u8 status; /* Completion status */
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u16 end_index; /* Completed TXQ Index */
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};
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struct be_tx_obj {
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u32 db_offset;
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struct be_queue_info q;
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struct be_queue_info cq;
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struct be_tx_compl_info txcp;
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/* Remember the skbs that were transmitted */
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struct sk_buff *sent_skb_list[TX_Q_LEN];
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struct be_tx_stats stats;
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u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
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u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
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u16 last_req_hdr; /* index of the last req's hdr-wrb */
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} ____cacheline_aligned_in_smp;
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/* Struct to remember the pages posted for rx frags */
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struct be_rx_page_info {
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struct page *page;
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/* set to page-addr for last frag of the page & frag-addr otherwise */
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DEFINE_DMA_UNMAP_ADDR(bus);
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u16 page_offset;
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bool last_frag; /* last frag of the page */
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};
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struct be_rx_stats {
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u64 rx_bytes;
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u64 rx_pkts;
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u64 rx_vxlan_offload_pkts;
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u32 rx_drops_no_skbs; /* skb allocation errors */
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u32 rx_drops_no_frags; /* HW has no fetched frags */
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u32 rx_post_fail; /* page post alloc failures */
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u32 rx_compl;
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u32 rx_mcast_pkts;
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u32 rx_compl_err; /* completions with err set */
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struct u64_stats_sync sync;
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};
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struct be_rx_compl_info {
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u32 rss_hash;
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u16 vlan_tag;
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u16 pkt_size;
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u16 port;
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u8 vlanf;
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u8 num_rcvd;
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u8 err;
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u8 ipf;
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u8 tcpf;
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u8 udpf;
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u8 ip_csum;
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u8 l4_csum;
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u8 ipv6;
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u8 qnq;
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u8 pkt_type;
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u8 ip_frag;
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u8 tunneled;
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};
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struct be_rx_obj {
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struct be_adapter *adapter;
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struct be_queue_info q;
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struct be_queue_info cq;
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struct be_rx_compl_info rxcp;
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struct be_rx_page_info page_info_tbl[RX_Q_LEN];
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struct be_rx_stats stats;
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u8 rss_id;
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bool rx_post_starved; /* Zero rx frags have been posted to BE */
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} ____cacheline_aligned_in_smp;
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struct be_drv_stats {
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u32 eth_red_drops;
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u32 dma_map_errors;
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u32 rx_drops_no_pbuf;
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u32 rx_drops_no_txpb;
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u32 rx_drops_no_erx_descr;
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u32 rx_drops_no_tpre_descr;
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u32 rx_drops_too_many_frags;
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u32 forwarded_packets;
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u32 rx_drops_mtu;
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u32 rx_crc_errors;
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u32 rx_alignment_symbol_errors;
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u32 rx_pause_frames;
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u32 rx_priority_pause_frames;
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u32 rx_control_frames;
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u32 rx_in_range_errors;
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u32 rx_out_range_errors;
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u32 rx_frame_too_long;
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u32 rx_address_filtered;
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u32 rx_dropped_too_small;
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u32 rx_dropped_too_short;
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u32 rx_dropped_header_too_small;
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u32 rx_dropped_tcp_length;
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|
|
u32 rx_dropped_runt;
|
||
|
|
u32 rx_ip_checksum_errs;
|
||
|
|
u32 rx_tcp_checksum_errs;
|
||
|
|
u32 rx_udp_checksum_errs;
|
||
|
|
u32 tx_pauseframes;
|
||
|
|
u32 tx_priority_pauseframes;
|
||
|
|
u32 tx_controlframes;
|
||
|
|
u32 rxpp_fifo_overflow_drop;
|
||
|
|
u32 rx_input_fifo_overflow_drop;
|
||
|
|
u32 pmem_fifo_overflow_drop;
|
||
|
|
u32 jabber_events;
|
||
|
|
u32 rx_roce_bytes_lsd;
|
||
|
|
u32 rx_roce_bytes_msd;
|
||
|
|
u32 rx_roce_frames;
|
||
|
|
u32 roce_drops_payload_len;
|
||
|
|
u32 roce_drops_crc;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
|
||
|
|
#define BE_RESET_VLAN_TAG_ID 0xFFFF
|
||
|
|
|
||
|
|
struct be_vf_cfg {
|
||
|
|
unsigned char mac_addr[ETH_ALEN];
|
||
|
|
int if_handle;
|
||
|
|
int pmac_id;
|
||
|
|
u16 vlan_tag;
|
||
|
|
u32 tx_rate;
|
||
|
|
u32 plink_tracking;
|
||
|
|
u32 privileges;
|
||
|
|
bool spoofchk;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum vf_state {
|
||
|
|
ENABLED = 0,
|
||
|
|
ASSIGNED = 1
|
||
|
|
};
|
||
|
|
|
||
|
|
#define BE_FLAGS_LINK_STATUS_INIT BIT(1)
|
||
|
|
#define BE_FLAGS_SRIOV_ENABLED BIT(2)
|
||
|
|
#define BE_FLAGS_WORKER_SCHEDULED BIT(3)
|
||
|
|
#define BE_FLAGS_NAPI_ENABLED BIT(6)
|
||
|
|
#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
|
||
|
|
#define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
|
||
|
|
#define BE_FLAGS_SETUP_DONE BIT(9)
|
||
|
|
#define BE_FLAGS_PHY_MISCONFIGURED BIT(10)
|
||
|
|
#define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
|
||
|
|
#define BE_FLAGS_OS2BMC BIT(12)
|
||
|
|
#define BE_FLAGS_TRY_RECOVERY BIT(13)
|
||
|
|
|
||
|
|
#define BE_UC_PMAC_COUNT 30
|
||
|
|
#define BE_VF_UC_PMAC_COUNT 2
|
||
|
|
|
||
|
|
#define MAX_ERR_RECOVERY_RETRY_COUNT 3
|
||
|
|
#define ERR_DETECTION_DELAY 1000
|
||
|
|
|
||
|
|
/* Ethtool set_dump flags */
|
||
|
|
#define LANCER_INITIATE_FW_DUMP 0x1
|
||
|
|
#define LANCER_DELETE_FW_DUMP 0x2
|
||
|
|
|
||
|
|
struct phy_info {
|
||
|
|
/* From SFF-8472 spec */
|
||
|
|
#define SFP_VENDOR_NAME_LEN 17
|
||
|
|
u8 transceiver;
|
||
|
|
u8 autoneg;
|
||
|
|
u8 fc_autoneg;
|
||
|
|
u8 port_type;
|
||
|
|
u16 phy_type;
|
||
|
|
u16 interface_type;
|
||
|
|
u32 misc_params;
|
||
|
|
u16 auto_speeds_supported;
|
||
|
|
u16 fixed_speeds_supported;
|
||
|
|
int link_speed;
|
||
|
|
u32 advertising;
|
||
|
|
u32 supported;
|
||
|
|
u8 cable_type;
|
||
|
|
u8 vendor_name[SFP_VENDOR_NAME_LEN];
|
||
|
|
u8 vendor_pn[SFP_VENDOR_NAME_LEN];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct be_resources {
|
||
|
|
u16 max_vfs; /* Total VFs "really" supported by FW/HW */
|
||
|
|
u16 max_mcast_mac;
|
||
|
|
u16 max_tx_qs;
|
||
|
|
u16 max_rss_qs;
|
||
|
|
u16 max_rx_qs;
|
||
|
|
u16 max_cq_count;
|
||
|
|
u16 max_uc_mac; /* Max UC MACs programmable */
|
||
|
|
u16 max_vlans; /* Number of vlans supported */
|
||
|
|
u16 max_iface_count;
|
||
|
|
u16 max_mcc_count;
|
||
|
|
u16 max_evt_qs;
|
||
|
|
u16 max_nic_evt_qs; /* NIC's share of evt qs */
|
||
|
|
u32 if_cap_flags;
|
||
|
|
u32 vf_if_cap_flags; /* VF if capability flags */
|
||
|
|
u32 flags;
|
||
|
|
/* Calculated PF Pool's share of RSS Tables. This is not enforced by
|
||
|
|
* the FW, but is a self-imposed driver limitation.
|
||
|
|
*/
|
||
|
|
u16 max_rss_tables;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* These are port-wide values */
|
||
|
|
struct be_port_resources {
|
||
|
|
u16 max_vfs;
|
||
|
|
u16 nic_pfs;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
|
||
|
|
|
||
|
|
struct rss_info {
|
||
|
|
u64 rss_flags;
|
||
|
|
u8 rsstable[RSS_INDIR_TABLE_LEN];
|
||
|
|
u8 rss_queue[RSS_INDIR_TABLE_LEN];
|
||
|
|
u8 rss_hkey[RSS_HASH_KEY_LEN];
|
||
|
|
};
|
||
|
|
|
||
|
|
#define BE_INVALID_DIE_TEMP 0xFF
|
||
|
|
struct be_hwmon {
|
||
|
|
struct device *hwmon_dev;
|
||
|
|
u8 be_on_die_temp; /* Unit: millidegree Celsius */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Macros to read/write the 'features' word of be_wrb_params structure.
|
||
|
|
*/
|
||
|
|
#define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
|
||
|
|
#define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
|
||
|
|
|
||
|
|
#define BE_WRB_F_GET(word, name) \
|
||
|
|
(((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
|
||
|
|
|
||
|
|
#define BE_WRB_F_SET(word, name, val) \
|
||
|
|
((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
|
||
|
|
|
||
|
|
/* Feature/offload bits */
|
||
|
|
enum {
|
||
|
|
BE_WRB_F_CRC_BIT, /* Ethernet CRC */
|
||
|
|
BE_WRB_F_IPCS_BIT, /* IP csum */
|
||
|
|
BE_WRB_F_TCPCS_BIT, /* TCP csum */
|
||
|
|
BE_WRB_F_UDPCS_BIT, /* UDP csum */
|
||
|
|
BE_WRB_F_LSO_BIT, /* LSO */
|
||
|
|
BE_WRB_F_LSO6_BIT, /* LSO6 */
|
||
|
|
BE_WRB_F_VLAN_BIT, /* VLAN */
|
||
|
|
BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
|
||
|
|
BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* The structure below provides a HW-agnostic abstraction of WRB params
|
||
|
|
* retrieved from a TX skb. This is in turn passed to chip specific routines
|
||
|
|
* during transmit, to set the corresponding params in the WRB.
|
||
|
|
*/
|
||
|
|
struct be_wrb_params {
|
||
|
|
u32 features; /* Feature bits */
|
||
|
|
u16 vlan_tag; /* VLAN tag */
|
||
|
|
u16 lso_mss; /* MSS for LSO */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct be_eth_addr {
|
||
|
|
unsigned char mac[ETH_ALEN];
|
||
|
|
};
|
||
|
|
|
||
|
|
#define BE_SEC 1000 /* in msec */
|
||
|
|
#define BE_MIN (60 * BE_SEC) /* in msec */
|
||
|
|
#define BE_HOUR (60 * BE_MIN) /* in msec */
|
||
|
|
|
||
|
|
#define ERR_RECOVERY_MAX_RETRY_COUNT 3
|
||
|
|
#define ERR_RECOVERY_DETECTION_DELAY BE_SEC
|
||
|
|
#define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)
|
||
|
|
|
||
|
|
/* UE-detection-duration in BEx/Skyhawk:
|
||
|
|
* All PFs must wait for this duration after they detect UE before reading
|
||
|
|
* SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware
|
||
|
|
* guarantees that the SLIPORT_SEMAPHORE register is updated to indicate
|
||
|
|
* if the UE is recoverable.
|
||
|
|
*/
|
||
|
|
#define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC
|
||
|
|
|
||
|
|
/* Initial idle time (in msec) to elapse after driver load,
|
||
|
|
* before UE recovery is allowed.
|
||
|
|
*/
|
||
|
|
#define ERR_IDLE_HR 24
|
||
|
|
#define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)
|
||
|
|
|
||
|
|
/* Time interval (in msec) after which UE recovery can be repeated */
|
||
|
|
#define ERR_INTERVAL_HR 72
|
||
|
|
#define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)
|
||
|
|
|
||
|
|
/* BEx/SH UE recovery state machine */
|
||
|
|
enum {
|
||
|
|
ERR_RECOVERY_ST_NONE = 0, /* No Recovery */
|
||
|
|
ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */
|
||
|
|
ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */
|
||
|
|
ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */
|
||
|
|
ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct be_error_recovery {
|
||
|
|
/* Lancer error recovery variables */
|
||
|
|
u8 recovery_retries;
|
||
|
|
|
||
|
|
/* BEx/Skyhawk error recovery variables */
|
||
|
|
u8 recovery_state;
|
||
|
|
u16 ue_to_reset_time; /* Time after UE, to soft reset
|
||
|
|
* the chip - PF0 only
|
||
|
|
*/
|
||
|
|
u16 ue_to_poll_time; /* Time after UE, to Restart Polling
|
||
|
|
* of SLIPORT_SEMAPHORE reg
|
||
|
|
*/
|
||
|
|
u16 last_err_code;
|
||
|
|
bool recovery_supported;
|
||
|
|
unsigned long probe_time;
|
||
|
|
unsigned long last_recovery_time;
|
||
|
|
|
||
|
|
/* Common to both Lancer & BEx/SH error recovery */
|
||
|
|
u32 resched_delay;
|
||
|
|
struct delayed_work err_detection_work;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Ethtool priv_flags */
|
||
|
|
#define BE_DISABLE_TPE_RECOVERY 0x1
|
||
|
|
|
||
|
|
struct be_adapter {
|
||
|
|
struct pci_dev *pdev;
|
||
|
|
struct net_device *netdev;
|
||
|
|
|
||
|
|
u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
|
||
|
|
u8 __iomem *db; /* Door Bell */
|
||
|
|
u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
|
||
|
|
|
||
|
|
struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
|
||
|
|
struct be_dma_mem mbox_mem;
|
||
|
|
/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
|
||
|
|
* is stored for freeing purpose */
|
||
|
|
struct be_dma_mem mbox_mem_alloced;
|
||
|
|
|
||
|
|
struct be_mcc_obj mcc_obj;
|
||
|
|
struct mutex mcc_lock; /* For serializing mcc cmds to BE card */
|
||
|
|
spinlock_t mcc_cq_lock;
|
||
|
|
|
||
|
|
u16 cfg_num_rx_irqs; /* configured via set-channels */
|
||
|
|
u16 cfg_num_tx_irqs; /* configured via set-channels */
|
||
|
|
u16 num_evt_qs;
|
||
|
|
u16 num_msix_vec;
|
||
|
|
struct be_eq_obj eq_obj[MAX_EVT_QS];
|
||
|
|
struct msix_entry msix_entries[MAX_MSIX_VECTORS];
|
||
|
|
bool isr_registered;
|
||
|
|
|
||
|
|
/* TX Rings */
|
||
|
|
u16 num_tx_qs;
|
||
|
|
struct be_tx_obj tx_obj[MAX_TX_QS];
|
||
|
|
|
||
|
|
/* Rx rings */
|
||
|
|
u16 num_rx_qs;
|
||
|
|
u16 num_rss_qs;
|
||
|
|
u16 need_def_rxq;
|
||
|
|
struct be_rx_obj rx_obj[MAX_RX_QS];
|
||
|
|
u32 big_page_size; /* Compounded page size shared by rx wrbs */
|
||
|
|
|
||
|
|
struct be_drv_stats drv_stats;
|
||
|
|
struct be_aic_obj aic_obj[MAX_EVT_QS];
|
||
|
|
u8 vlan_prio_bmap; /* Available Priority BitMap */
|
||
|
|
u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
|
||
|
|
struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
|
||
|
|
|
||
|
|
struct be_dma_mem stats_cmd;
|
||
|
|
/* Work queue used to perform periodic tasks like getting statistics */
|
||
|
|
struct delayed_work work;
|
||
|
|
u16 work_counter;
|
||
|
|
|
||
|
|
u8 recovery_retries;
|
||
|
|
u8 err_flags;
|
||
|
|
bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */
|
||
|
|
u32 flags;
|
||
|
|
u32 cmd_privileges;
|
||
|
|
/* Ethtool knobs and info */
|
||
|
|
char fw_ver[FW_VER_LEN];
|
||
|
|
char fw_on_flash[FW_VER_LEN];
|
||
|
|
|
||
|
|
/* IFACE filtering fields */
|
||
|
|
int if_handle; /* Used to configure filtering */
|
||
|
|
u32 if_flags; /* Interface filtering flags */
|
||
|
|
u32 *pmac_id; /* MAC addr handle used by BE card */
|
||
|
|
struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */
|
||
|
|
u32 uc_macs; /* Count of secondary UC MAC programmed */
|
||
|
|
struct be_eth_addr *mc_list;/* list of mcast addrs programmed */
|
||
|
|
u32 mc_count;
|
||
|
|
unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
|
||
|
|
u16 vlans_added;
|
||
|
|
bool update_uc_list;
|
||
|
|
bool update_mc_list;
|
||
|
|
struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */
|
||
|
|
|
||
|
|
u32 beacon_state; /* for set_phys_id */
|
||
|
|
|
||
|
|
u32 port_num;
|
||
|
|
char port_name;
|
||
|
|
u8 mc_type;
|
||
|
|
u32 function_mode;
|
||
|
|
u32 function_caps;
|
||
|
|
u32 rx_fc; /* Rx flow control */
|
||
|
|
u32 tx_fc; /* Tx flow control */
|
||
|
|
bool stats_cmd_sent;
|
||
|
|
struct {
|
||
|
|
u32 size;
|
||
|
|
u32 total_size;
|
||
|
|
u64 io_addr;
|
||
|
|
} roce_db;
|
||
|
|
u32 num_msix_roce_vec;
|
||
|
|
struct ocrdma_dev *ocrdma_dev;
|
||
|
|
struct list_head entry;
|
||
|
|
|
||
|
|
u32 flash_status;
|
||
|
|
struct completion et_cmd_compl;
|
||
|
|
|
||
|
|
struct be_resources pool_res; /* resources available for the port */
|
||
|
|
struct be_resources res; /* resources available for the func */
|
||
|
|
u16 num_vfs; /* Number of VFs provisioned by PF */
|
||
|
|
u8 pf_num; /* Numbering used by FW, starts at 0 */
|
||
|
|
u8 vf_num; /* Numbering used by FW, starts at 1 */
|
||
|
|
u8 virtfn;
|
||
|
|
struct be_vf_cfg *vf_cfg;
|
||
|
|
bool be3_native;
|
||
|
|
u32 sli_family;
|
||
|
|
u8 hba_port_num;
|
||
|
|
u16 pvid;
|
||
|
|
__be16 vxlan_port;
|
||
|
|
int vxlan_port_count;
|
||
|
|
int vxlan_port_aliases;
|
||
|
|
struct phy_info phy;
|
||
|
|
u8 wol_cap;
|
||
|
|
bool wol_en;
|
||
|
|
u16 asic_rev;
|
||
|
|
u16 qnq_vid;
|
||
|
|
u32 msg_enable;
|
||
|
|
int be_get_temp_freq;
|
||
|
|
struct be_hwmon hwmon_info;
|
||
|
|
struct rss_info rss_info;
|
||
|
|
/* Filters for packets that need to be sent to BMC */
|
||
|
|
u32 bmc_filt_mask;
|
||
|
|
u32 fat_dump_len;
|
||
|
|
u16 serial_num[CNTL_SERIAL_NUM_WORDS];
|
||
|
|
u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
|
||
|
|
u8 dev_mac[ETH_ALEN];
|
||
|
|
u32 priv_flags; /* ethtool get/set_priv_flags() */
|
||
|
|
struct be_error_recovery error_recovery;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Used for defered FW config cmds. Add fields to this struct as reqd */
|
||
|
|
struct be_cmd_work {
|
||
|
|
struct work_struct work;
|
||
|
|
struct be_adapter *adapter;
|
||
|
|
union {
|
||
|
|
__be16 vxlan_port;
|
||
|
|
} info;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define be_physfn(adapter) (!adapter->virtfn)
|
||
|
|
#define be_virtfn(adapter) (adapter->virtfn)
|
||
|
|
#define sriov_enabled(adapter) (adapter->flags & \
|
||
|
|
BE_FLAGS_SRIOV_ENABLED)
|
||
|
|
|
||
|
|
#define for_all_vfs(adapter, vf_cfg, i) \
|
||
|
|
for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
|
||
|
|
i++, vf_cfg++)
|
||
|
|
|
||
|
|
#define ON 1
|
||
|
|
#define OFF 0
|
||
|
|
|
||
|
|
#define be_max_vlans(adapter) (adapter->res.max_vlans)
|
||
|
|
#define be_max_uc(adapter) (adapter->res.max_uc_mac)
|
||
|
|
#define be_max_mc(adapter) (adapter->res.max_mcast_mac)
|
||
|
|
#define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
|
||
|
|
#define be_max_rss(adapter) (adapter->res.max_rss_qs)
|
||
|
|
#define be_max_txqs(adapter) (adapter->res.max_tx_qs)
|
||
|
|
#define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
|
||
|
|
#define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
|
||
|
|
/* Max number of EQs available for the function (NIC + RoCE (if enabled)) */
|
||
|
|
#define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)
|
||
|
|
/* Max number of EQs available avaialble only for NIC */
|
||
|
|
#define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)
|
||
|
|
#define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
|
||
|
|
#define be_max_pf_pool_rss_tables(adapter) \
|
||
|
|
(adapter->pool_res.max_rss_tables)
|
||
|
|
/* Max irqs avaialble for NIC */
|
||
|
|
#define be_max_irqs(adapter) \
|
||
|
|
(min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))
|
||
|
|
|
||
|
|
/* Max irqs *needed* for RX queues */
|
||
|
|
static inline u16 be_max_rx_irqs(struct be_adapter *adapter)
|
||
|
|
{
|
||
|
|
/* If no RSS, need atleast one irq for def-RXQ */
|
||
|
|
u16 num = max_t(u16, be_max_rss(adapter), 1);
|
||
|
|
|
||
|
|
return min_t(u16, num, be_max_irqs(adapter));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Max irqs *needed* for TX queues */
|
||
|
|
static inline u16 be_max_tx_irqs(struct be_adapter *adapter)
|
||
|
|
{
|
||
|
|
return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Max irqs *needed* for combined queues */
|
||
|
|
static inline u16 be_max_qp_irqs(struct be_adapter *adapter)
|
||
|
|
{
|
||
|
|
return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Max irqs *needed* for RX and TX queues together */
|
||
|
|
static inline u16 be_max_any_irqs(struct be_adapter *adapter)
|
||
|
|
{
|
||
|
|
return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Is BE in pvid_tagging mode */
|
||
|
|
#define be_pvid_tagging_enabled(adapter) (adapter->pvid)
|
||
|
|
|
||
|
|
/* Is BE in QNQ multi-channel mode */
|
||
|
|
#define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
|
||
|
|
|
||
|
|
#define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
|
||
|
|
adapter->pdev->device == OC_DEVICE_ID4)
|
||
|
|
|
||
|
|
#define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
|
||
|
|
adapter->pdev->device == OC_DEVICE_ID6)
|
||
|
|
|
||
|
|
#define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
|
||
|
|
adapter->pdev->device == OC_DEVICE_ID2)
|
||
|
|
|
||
|
|
#define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
|
||
|
|
adapter->pdev->device == OC_DEVICE_ID1)
|
||
|
|
|
||
|
|
#define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
|
||
|
|
|
||
|
|
#define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
|
||
|
|
(adapter->function_mode & RDMA_ENABLED))
|
||
|
|
|
||
|
|
extern const struct ethtool_ops be_ethtool_ops;
|
||
|
|
|
||
|
|
#define msix_enabled(adapter) (adapter->num_msix_vec > 0)
|
||
|
|
#define num_irqs(adapter) (msix_enabled(adapter) ? \
|
||
|
|
adapter->num_msix_vec : 1)
|
||
|
|
#define tx_stats(txo) (&(txo)->stats)
|
||
|
|
#define rx_stats(rxo) (&(rxo)->stats)
|
||
|
|
|
||
|
|
/* The default RXQ is the last RXQ */
|
||
|
|
#define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
|
||
|
|
|
||
|
|
#define for_all_rx_queues(adapter, rxo, i) \
|
||
|
|
for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
|
||
|
|
i++, rxo++)
|
||
|
|
|
||
|
|
#define for_all_rss_queues(adapter, rxo, i) \
|
||
|
|
for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
|
||
|
|
i++, rxo++)
|
||
|
|
|
||
|
|
#define for_all_tx_queues(adapter, txo, i) \
|
||
|
|
for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
|
||
|
|
i++, txo++)
|
||
|
|
|
||
|
|
#define for_all_evt_queues(adapter, eqo, i) \
|
||
|
|
for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
|
||
|
|
i++, eqo++)
|
||
|
|
|
||
|
|
#define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
|
||
|
|
for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
|
||
|
|
i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
|
||
|
|
|
||
|
|
#define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
|
||
|
|
for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
|
||
|
|
i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
|
||
|
|
|
||
|
|
#define is_mcc_eqo(eqo) (eqo->idx == 0)
|
||
|
|
#define mcc_eqo(adapter) (&adapter->eq_obj[0])
|
||
|
|
|
||
|
|
#define PAGE_SHIFT_4K 12
|
||
|
|
#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
|
||
|
|
|
||
|
|
/* Returns number of pages spanned by the data starting at the given addr */
|
||
|
|
#define PAGES_4K_SPANNED(_address, size) \
|
||
|
|
((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
|
||
|
|
(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
|
||
|
|
|
||
|
|
/* Returns bit offset within a DWORD of a bitfield */
|
||
|
|
#define AMAP_BIT_OFFSET(_struct, field) \
|
||
|
|
(((size_t)&(((_struct *)0)->field))%32)
|
||
|
|
|
||
|
|
/* Returns the bit mask of the field that is NOT shifted into location. */
|
||
|
|
static inline u32 amap_mask(u32 bitsize)
|
||
|
|
{
|
||
|
|
return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
|
||
|
|
{
|
||
|
|
u32 *dw = (u32 *) ptr + dw_offset;
|
||
|
|
*dw &= ~(mask << offset);
|
||
|
|
*dw |= (mask & value) << offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AMAP_SET_BITS(_struct, field, ptr, val) \
|
||
|
|
amap_set(ptr, \
|
||
|
|
offsetof(_struct, field)/32, \
|
||
|
|
amap_mask(sizeof(((_struct *)0)->field)), \
|
||
|
|
AMAP_BIT_OFFSET(_struct, field), \
|
||
|
|
val)
|
||
|
|
|
||
|
|
static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
|
||
|
|
{
|
||
|
|
u32 *dw = (u32 *) ptr;
|
||
|
|
return mask & (*(dw + dw_offset) >> offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AMAP_GET_BITS(_struct, field, ptr) \
|
||
|
|
amap_get(ptr, \
|
||
|
|
offsetof(_struct, field)/32, \
|
||
|
|
amap_mask(sizeof(((_struct *)0)->field)), \
|
||
|
|
AMAP_BIT_OFFSET(_struct, field))
|
||
|
|
|
||
|
|
#define GET_RX_COMPL_V0_BITS(field, ptr) \
|
||
|
|
AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
|
||
|
|
|
||
|
|
#define GET_RX_COMPL_V1_BITS(field, ptr) \
|
||
|
|
AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
|
||
|
|
|
||
|
|
#define GET_TX_COMPL_BITS(field, ptr) \
|
||
|
|
AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
|
||
|
|
|
||
|
|
#define SET_TX_WRB_HDR_BITS(field, ptr, val) \
|
||
|
|
AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
|
||
|
|
|
||
|
|
#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
|
||
|
|
#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
|
||
|
|
static inline void swap_dws(void *wrb, int len)
|
||
|
|
{
|
||
|
|
#ifdef __BIG_ENDIAN
|
||
|
|
u32 *dw = wrb;
|
||
|
|
BUG_ON(len % 4);
|
||
|
|
do {
|
||
|
|
*dw = cpu_to_le32(*dw);
|
||
|
|
dw++;
|
||
|
|
len -= 4;
|
||
|
|
} while (len);
|
||
|
|
#endif /* __BIG_ENDIAN */
|
||
|
|
}
|
||
|
|
|
||
|
|
#define be_cmd_status(status) (status > 0 ? -EIO : status)
|
||
|
|
|
||
|
|
static inline u8 is_tcp_pkt(struct sk_buff *skb)
|
||
|
|
{
|
||
|
|
u8 val = 0;
|
||
|
|
|
||
|
|
if (ip_hdr(skb)->version == 4)
|
||
|
|
val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
|
||
|
|
else if (ip_hdr(skb)->version == 6)
|
||
|
|
val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
|
||
|
|
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline u8 is_udp_pkt(struct sk_buff *skb)
|
||
|
|
{
|
||
|
|
u8 val = 0;
|
||
|
|
|
||
|
|
if (ip_hdr(skb)->version == 4)
|
||
|
|
val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
|
||
|
|
else if (ip_hdr(skb)->version == 6)
|
||
|
|
val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
|
||
|
|
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool is_ipv4_pkt(struct sk_buff *skb)
|
||
|
|
{
|
||
|
|
return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define be_error_recovering(adapter) \
|
||
|
|
(adapter->flags & BE_FLAGS_TRY_RECOVERY)
|
||
|
|
|
||
|
|
#define BE_ERROR_EEH 1
|
||
|
|
#define BE_ERROR_UE BIT(1)
|
||
|
|
#define BE_ERROR_FW BIT(2)
|
||
|
|
#define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE)
|
||
|
|
#define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW)
|
||
|
|
#define BE_CLEAR_ALL 0xFF
|
||
|
|
|
||
|
|
static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
|
||
|
|
{
|
||
|
|
return (adapter->err_flags & err_type);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void be_set_error(struct be_adapter *adapter, int err_type)
|
||
|
|
{
|
||
|
|
struct net_device *netdev = adapter->netdev;
|
||
|
|
|
||
|
|
adapter->err_flags |= err_type;
|
||
|
|
netif_carrier_off(netdev);
|
||
|
|
|
||
|
|
dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void be_clear_error(struct be_adapter *adapter, int err_type)
|
||
|
|
{
|
||
|
|
adapter->err_flags &= ~err_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool be_multi_rxq(const struct be_adapter *adapter)
|
||
|
|
{
|
||
|
|
return adapter->num_rx_qs > 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
|
||
|
|
u16 num_popped);
|
||
|
|
void be_link_status_update(struct be_adapter *adapter, u8 link_status);
|
||
|
|
void be_parse_stats(struct be_adapter *adapter);
|
||
|
|
int be_load_fw(struct be_adapter *adapter, u8 *func);
|
||
|
|
bool be_is_wol_supported(struct be_adapter *adapter);
|
||
|
|
bool be_pause_supported(struct be_adapter *adapter);
|
||
|
|
u32 be_get_fw_log_level(struct be_adapter *adapter);
|
||
|
|
int be_update_queues(struct be_adapter *adapter);
|
||
|
|
int be_poll(struct napi_struct *napi, int budget);
|
||
|
|
void be_eqd_update(struct be_adapter *adapter, bool force_update);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* internal function to initialize-cleanup roce device.
|
||
|
|
*/
|
||
|
|
void be_roce_dev_add(struct be_adapter *);
|
||
|
|
void be_roce_dev_remove(struct be_adapter *);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* internal function to open-close roce device during ifup-ifdown.
|
||
|
|
*/
|
||
|
|
void be_roce_dev_shutdown(struct be_adapter *);
|
||
|
|
|
||
|
|
#endif /* BE_H */
|