852 lines
24 KiB
C
852 lines
24 KiB
C
/*
|
|
* Copyright (c) 2007 Mellanox Technologies. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#ifndef _MLX4_EN_H_
|
|
#define _MLX4_EN_H_
|
|
|
|
#include <linux/bitops.h>
|
|
#include <linux/compiler.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/list.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/if_vlan.h>
|
|
#include <linux/net_tstamp.h>
|
|
#ifdef CONFIG_MLX4_EN_DCB
|
|
#include <linux/dcbnl.h>
|
|
#endif
|
|
#include <linux/cpu_rmap.h>
|
|
#include <linux/ptp_clock_kernel.h>
|
|
#include <linux/irq.h>
|
|
#include <net/xdp.h>
|
|
|
|
#include <linux/mlx4/device.h>
|
|
#include <linux/mlx4/qp.h>
|
|
#include <linux/mlx4/cq.h>
|
|
#include <linux/mlx4/srq.h>
|
|
#include <linux/mlx4/doorbell.h>
|
|
#include <linux/mlx4/cmd.h>
|
|
|
|
#include "en_port.h"
|
|
#include "mlx4_stats.h"
|
|
|
|
#define DRV_NAME "mlx4_en"
|
|
#define DRV_VERSION "4.0-0"
|
|
|
|
#define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
|
|
|
|
/*
|
|
* Device constants
|
|
*/
|
|
|
|
|
|
#define MLX4_EN_PAGE_SHIFT 12
|
|
#define MLX4_EN_PAGE_SIZE (1 << MLX4_EN_PAGE_SHIFT)
|
|
#define DEF_RX_RINGS 16
|
|
#define MAX_RX_RINGS 128
|
|
#define MIN_RX_RINGS 1
|
|
#define LOG_TXBB_SIZE 6
|
|
#define TXBB_SIZE BIT(LOG_TXBB_SIZE)
|
|
#define HEADROOM (2048 / TXBB_SIZE + 1)
|
|
#define STAMP_STRIDE 64
|
|
#define STAMP_DWORDS (STAMP_STRIDE / 4)
|
|
#define STAMP_SHIFT 31
|
|
#define STAMP_VAL 0x7fffffff
|
|
#define STATS_DELAY (HZ / 4)
|
|
#define SERVICE_TASK_DELAY (HZ / 4)
|
|
#define MAX_NUM_OF_FS_RULES 256
|
|
|
|
#define MLX4_EN_FILTER_HASH_SHIFT 4
|
|
#define MLX4_EN_FILTER_EXPIRY_QUOTA 60
|
|
|
|
#define CTRL_SIZE sizeof(struct mlx4_wqe_ctrl_seg)
|
|
#define DS_SIZE sizeof(struct mlx4_wqe_data_seg)
|
|
|
|
/* Maximal size of the bounce buffer:
|
|
* 256 bytes for LSO headers.
|
|
* CTRL_SIZE for control desc.
|
|
* DS_SIZE if skb->head contains some payload.
|
|
* MAX_SKB_FRAGS frags.
|
|
*/
|
|
#define MLX4_TX_BOUNCE_BUFFER_SIZE \
|
|
ALIGN(256 + CTRL_SIZE + DS_SIZE + MAX_SKB_FRAGS * DS_SIZE, TXBB_SIZE)
|
|
|
|
#define MLX4_MAX_DESC_TXBBS (MLX4_TX_BOUNCE_BUFFER_SIZE / TXBB_SIZE)
|
|
|
|
/*
|
|
* OS related constants and tunables
|
|
*/
|
|
|
|
#define MLX4_EN_PRIV_FLAGS_BLUEFLAME 1
|
|
#define MLX4_EN_PRIV_FLAGS_PHV 2
|
|
|
|
#define MLX4_EN_WATCHDOG_TIMEOUT (15 * HZ)
|
|
|
|
/* Use the maximum between 16384 and a single page */
|
|
#define MLX4_EN_ALLOC_SIZE PAGE_ALIGN(16384)
|
|
|
|
#define MLX4_EN_MAX_RX_FRAGS 4
|
|
|
|
/* Maximum ring sizes */
|
|
#define MLX4_EN_MAX_TX_SIZE 8192
|
|
#define MLX4_EN_MAX_RX_SIZE 8192
|
|
|
|
/* Minimum ring size for our page-allocation scheme to work */
|
|
#define MLX4_EN_MIN_RX_SIZE (MLX4_EN_ALLOC_SIZE / SMP_CACHE_BYTES)
|
|
#define MLX4_EN_MIN_TX_SIZE (4096 / TXBB_SIZE)
|
|
|
|
#define MLX4_EN_SMALL_PKT_SIZE 64
|
|
#define MLX4_EN_MIN_TX_RING_P_UP 1
|
|
#define MLX4_EN_MAX_TX_RING_P_UP 32
|
|
#define MLX4_EN_NUM_UP_LOW 1
|
|
#define MLX4_EN_NUM_UP_HIGH 8
|
|
#define MLX4_EN_DEF_RX_RING_SIZE 1024
|
|
#define MLX4_EN_DEF_TX_RING_SIZE MLX4_EN_DEF_RX_RING_SIZE
|
|
#define MAX_TX_RINGS (MLX4_EN_MAX_TX_RING_P_UP * \
|
|
MLX4_EN_NUM_UP_HIGH)
|
|
|
|
#define MLX4_EN_DEFAULT_TX_WORK 256
|
|
|
|
/* Target number of packets to coalesce with interrupt moderation */
|
|
#define MLX4_EN_RX_COAL_TARGET 44
|
|
#define MLX4_EN_RX_COAL_TIME 0x10
|
|
|
|
#define MLX4_EN_TX_COAL_PKTS 16
|
|
#define MLX4_EN_TX_COAL_TIME 0x10
|
|
|
|
#define MLX4_EN_MAX_COAL_PKTS U16_MAX
|
|
#define MLX4_EN_MAX_COAL_TIME U16_MAX
|
|
|
|
#define MLX4_EN_RX_RATE_LOW 400000
|
|
#define MLX4_EN_RX_COAL_TIME_LOW 0
|
|
#define MLX4_EN_RX_RATE_HIGH 450000
|
|
#define MLX4_EN_RX_COAL_TIME_HIGH 128
|
|
#define MLX4_EN_RX_SIZE_THRESH 1024
|
|
#define MLX4_EN_RX_RATE_THRESH (1000000 / MLX4_EN_RX_COAL_TIME_HIGH)
|
|
#define MLX4_EN_SAMPLE_INTERVAL 0
|
|
#define MLX4_EN_AVG_PKT_SMALL 256
|
|
|
|
#define MLX4_EN_AUTO_CONF 0xffff
|
|
|
|
#define MLX4_EN_DEF_RX_PAUSE 1
|
|
#define MLX4_EN_DEF_TX_PAUSE 1
|
|
|
|
/* Interval between successive polls in the Tx routine when polling is used
|
|
instead of interrupts (in per-core Tx rings) - should be power of 2 */
|
|
#define MLX4_EN_TX_POLL_MODER 16
|
|
#define MLX4_EN_TX_POLL_TIMEOUT (HZ / 4)
|
|
|
|
#define SMALL_PACKET_SIZE (256 - NET_IP_ALIGN)
|
|
#define HEADER_COPY_SIZE (128 - NET_IP_ALIGN)
|
|
#define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN)
|
|
#define PREAMBLE_LEN 8
|
|
#define MLX4_SELFTEST_LB_MIN_MTU (MLX4_LOOPBACK_TEST_PAYLOAD + NET_IP_ALIGN + \
|
|
ETH_HLEN + PREAMBLE_LEN)
|
|
|
|
/* VLAN_HLEN is added twice,to support skb vlan tagged with multiple
|
|
* headers. (For example: ETH_P_8021Q and ETH_P_8021AD).
|
|
*/
|
|
#define MLX4_EN_EFF_MTU(mtu) ((mtu) + ETH_HLEN + (2 * VLAN_HLEN))
|
|
#define ETH_BCAST 0xffffffffffffULL
|
|
|
|
#define MLX4_EN_LOOPBACK_RETRIES 5
|
|
#define MLX4_EN_LOOPBACK_TIMEOUT 100
|
|
|
|
/* Constants for TX flow */
|
|
enum {
|
|
MAX_INLINE = 104, /* 128 - 16 - 4 - 4 */
|
|
MAX_BF = 256,
|
|
MIN_PKT_LEN = 17,
|
|
};
|
|
|
|
/*
|
|
* Configurables
|
|
*/
|
|
|
|
enum cq_type {
|
|
/* keep tx types first */
|
|
TX,
|
|
TX_XDP,
|
|
#define MLX4_EN_NUM_TX_TYPES (TX_XDP + 1)
|
|
RX,
|
|
};
|
|
|
|
|
|
/*
|
|
* Useful macros
|
|
*/
|
|
#define ROUNDUP_LOG2(x) ilog2(roundup_pow_of_two(x))
|
|
#define XNOR(x, y) (!(x) == !(y))
|
|
|
|
|
|
struct mlx4_en_tx_info {
|
|
union {
|
|
struct sk_buff *skb;
|
|
struct page *page;
|
|
};
|
|
dma_addr_t map0_dma;
|
|
u32 map0_byte_count;
|
|
u32 nr_txbb;
|
|
u32 nr_bytes;
|
|
u8 linear;
|
|
u8 data_offset;
|
|
u8 inl;
|
|
u8 ts_requested;
|
|
u8 nr_maps;
|
|
} ____cacheline_aligned_in_smp;
|
|
|
|
|
|
#define MLX4_EN_BIT_DESC_OWN 0x80000000
|
|
#define MLX4_EN_MEMTYPE_PAD 0x100
|
|
|
|
|
|
struct mlx4_en_tx_desc {
|
|
struct mlx4_wqe_ctrl_seg ctrl;
|
|
union {
|
|
struct mlx4_wqe_data_seg data; /* at least one data segment */
|
|
struct mlx4_wqe_lso_seg lso;
|
|
struct mlx4_wqe_inline_seg inl;
|
|
};
|
|
};
|
|
|
|
#define MLX4_EN_USE_SRQ 0x01000000
|
|
|
|
#define MLX4_EN_CX3_LOW_ID 0x1000
|
|
#define MLX4_EN_CX3_HIGH_ID 0x1005
|
|
|
|
struct mlx4_en_rx_alloc {
|
|
struct page *page;
|
|
dma_addr_t dma;
|
|
u32 page_offset;
|
|
};
|
|
|
|
#define MLX4_EN_CACHE_SIZE (2 * NAPI_POLL_WEIGHT)
|
|
|
|
struct mlx4_en_page_cache {
|
|
u32 index;
|
|
struct {
|
|
struct page *page;
|
|
dma_addr_t dma;
|
|
} buf[MLX4_EN_CACHE_SIZE];
|
|
};
|
|
|
|
enum {
|
|
MLX4_EN_TX_RING_STATE_RECOVERING,
|
|
};
|
|
|
|
struct mlx4_en_priv;
|
|
|
|
struct mlx4_en_tx_ring {
|
|
/* cache line used and dirtied in tx completion
|
|
* (mlx4_en_free_tx_buf())
|
|
*/
|
|
u32 last_nr_txbb;
|
|
u32 cons;
|
|
unsigned long wake_queue;
|
|
struct netdev_queue *tx_queue;
|
|
u32 (*free_tx_desc)(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring *ring,
|
|
int index,
|
|
u64 timestamp, int napi_mode);
|
|
struct mlx4_en_rx_ring *recycle_ring;
|
|
|
|
/* cache line used and dirtied in mlx4_en_xmit() */
|
|
u32 prod ____cacheline_aligned_in_smp;
|
|
unsigned int tx_dropped;
|
|
unsigned long bytes;
|
|
unsigned long packets;
|
|
unsigned long tx_csum;
|
|
unsigned long tso_packets;
|
|
unsigned long xmit_more;
|
|
struct mlx4_bf bf;
|
|
|
|
/* Following part should be mostly read */
|
|
void __iomem *doorbell_address;
|
|
__be32 doorbell_qpn;
|
|
__be32 mr_key;
|
|
u32 size; /* number of TXBBs */
|
|
u32 size_mask;
|
|
u32 full_size;
|
|
u32 buf_size;
|
|
void *buf;
|
|
struct mlx4_en_tx_info *tx_info;
|
|
int qpn;
|
|
u8 queue_index;
|
|
bool bf_enabled;
|
|
bool bf_alloced;
|
|
u8 hwtstamp_tx_type;
|
|
u8 *bounce_buf;
|
|
|
|
/* Not used in fast path
|
|
* Only queue_stopped might be used if BQL is not properly working.
|
|
*/
|
|
unsigned long queue_stopped;
|
|
unsigned long state;
|
|
struct mlx4_hwq_resources sp_wqres;
|
|
struct mlx4_qp sp_qp;
|
|
struct mlx4_qp_context sp_context;
|
|
cpumask_t sp_affinity_mask;
|
|
enum mlx4_qp_state sp_qp_state;
|
|
u16 sp_stride;
|
|
u16 sp_cqn; /* index of port CQ associated with this ring */
|
|
} ____cacheline_aligned_in_smp;
|
|
|
|
struct mlx4_en_rx_desc {
|
|
/* actual number of entries depends on rx ring stride */
|
|
DECLARE_FLEX_ARRAY(struct mlx4_wqe_data_seg, data);
|
|
};
|
|
|
|
struct mlx4_en_rx_ring {
|
|
struct mlx4_hwq_resources wqres;
|
|
u32 size ; /* number of Rx descs*/
|
|
u32 actual_size;
|
|
u32 size_mask;
|
|
u16 stride;
|
|
u16 log_stride;
|
|
u16 cqn; /* index of port CQ associated with this ring */
|
|
u32 prod;
|
|
u32 cons;
|
|
u32 buf_size;
|
|
u8 fcs_del;
|
|
void *buf;
|
|
void *rx_info;
|
|
struct bpf_prog __rcu *xdp_prog;
|
|
struct mlx4_en_page_cache page_cache;
|
|
unsigned long bytes;
|
|
unsigned long packets;
|
|
unsigned long csum_ok;
|
|
unsigned long csum_none;
|
|
unsigned long csum_complete;
|
|
unsigned long rx_alloc_pages;
|
|
unsigned long xdp_drop;
|
|
unsigned long xdp_redirect;
|
|
unsigned long xdp_redirect_fail;
|
|
unsigned long xdp_tx;
|
|
unsigned long xdp_tx_full;
|
|
unsigned long dropped;
|
|
int hwtstamp_rx_filter;
|
|
cpumask_var_t affinity_mask;
|
|
struct xdp_rxq_info xdp_rxq;
|
|
};
|
|
|
|
struct mlx4_en_cq {
|
|
struct mlx4_cq mcq;
|
|
struct mlx4_hwq_resources wqres;
|
|
int ring;
|
|
struct net_device *dev;
|
|
union {
|
|
struct napi_struct napi;
|
|
bool xdp_busy;
|
|
};
|
|
int size;
|
|
int buf_size;
|
|
int vector;
|
|
enum cq_type type;
|
|
u16 moder_time;
|
|
u16 moder_cnt;
|
|
struct mlx4_cqe *buf;
|
|
#define MLX4_EN_OPCODE_ERROR 0x1e
|
|
|
|
const struct cpumask *aff_mask;
|
|
};
|
|
|
|
struct mlx4_en_port_profile {
|
|
u32 flags;
|
|
u32 tx_ring_num[MLX4_EN_NUM_TX_TYPES];
|
|
u32 rx_ring_num;
|
|
u32 tx_ring_size;
|
|
u32 rx_ring_size;
|
|
u8 num_tx_rings_p_up;
|
|
u8 rx_pause;
|
|
u8 rx_ppp;
|
|
u8 tx_pause;
|
|
u8 tx_ppp;
|
|
u8 num_up;
|
|
int rss_rings;
|
|
int inline_thold;
|
|
struct hwtstamp_config hwtstamp_config;
|
|
};
|
|
|
|
struct mlx4_en_profile {
|
|
int udp_rss;
|
|
u8 rss_mask;
|
|
u32 active_ports;
|
|
u32 small_pkt_int;
|
|
u8 no_reset;
|
|
u8 max_num_tx_rings_p_up;
|
|
struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1];
|
|
};
|
|
|
|
struct mlx4_en_dev {
|
|
struct mlx4_dev *dev;
|
|
struct pci_dev *pdev;
|
|
struct mutex state_lock;
|
|
struct net_device *pndev[MLX4_MAX_PORTS + 1];
|
|
struct net_device *upper[MLX4_MAX_PORTS + 1];
|
|
u32 port_cnt;
|
|
bool device_up;
|
|
struct mlx4_en_profile profile;
|
|
u32 LSO_support;
|
|
struct workqueue_struct *workqueue;
|
|
struct device *dma_device;
|
|
void __iomem *uar_map;
|
|
struct mlx4_uar priv_uar;
|
|
struct mlx4_mr mr;
|
|
u32 priv_pdn;
|
|
spinlock_t uar_lock;
|
|
u8 mac_removed[MLX4_MAX_PORTS + 1];
|
|
u32 nominal_c_mult;
|
|
struct cyclecounter cycles;
|
|
seqlock_t clock_lock;
|
|
struct timecounter clock;
|
|
unsigned long last_overflow_check;
|
|
struct ptp_clock *ptp_clock;
|
|
struct ptp_clock_info ptp_clock_info;
|
|
struct notifier_block nb;
|
|
};
|
|
|
|
|
|
struct mlx4_en_rss_map {
|
|
int base_qpn;
|
|
struct mlx4_qp qps[MAX_RX_RINGS];
|
|
enum mlx4_qp_state state[MAX_RX_RINGS];
|
|
struct mlx4_qp *indir_qp;
|
|
enum mlx4_qp_state indir_state;
|
|
};
|
|
|
|
enum mlx4_en_port_flag {
|
|
MLX4_EN_PORT_ANC = 1<<0, /* Auto-negotiation complete */
|
|
MLX4_EN_PORT_ANE = 1<<1, /* Auto-negotiation enabled */
|
|
};
|
|
|
|
struct mlx4_en_port_state {
|
|
int link_state;
|
|
int link_speed;
|
|
int transceiver;
|
|
u32 flags;
|
|
};
|
|
|
|
enum mlx4_en_mclist_act {
|
|
MCLIST_NONE,
|
|
MCLIST_REM,
|
|
MCLIST_ADD,
|
|
};
|
|
|
|
struct mlx4_en_mc_list {
|
|
struct list_head list;
|
|
enum mlx4_en_mclist_act action;
|
|
u8 addr[ETH_ALEN];
|
|
u64 reg_id;
|
|
u64 tunnel_reg_id;
|
|
};
|
|
|
|
struct mlx4_en_frag_info {
|
|
u16 frag_size;
|
|
u32 frag_stride;
|
|
};
|
|
|
|
#ifdef CONFIG_MLX4_EN_DCB
|
|
/* Minimal TC BW - setting to 0 will block traffic */
|
|
#define MLX4_EN_BW_MIN 1
|
|
#define MLX4_EN_BW_MAX 100 /* Utilize 100% of the line */
|
|
|
|
#define MLX4_EN_TC_VENDOR 0
|
|
#define MLX4_EN_TC_ETS 7
|
|
|
|
enum dcb_pfc_type {
|
|
pfc_disabled = 0,
|
|
pfc_enabled_full,
|
|
pfc_enabled_tx,
|
|
pfc_enabled_rx
|
|
};
|
|
|
|
struct mlx4_en_cee_config {
|
|
bool pfc_state;
|
|
enum dcb_pfc_type dcb_pfc[MLX4_EN_NUM_UP_HIGH];
|
|
};
|
|
#endif
|
|
|
|
struct ethtool_flow_id {
|
|
struct list_head list;
|
|
struct ethtool_rx_flow_spec flow_spec;
|
|
u64 id;
|
|
};
|
|
|
|
enum {
|
|
MLX4_EN_FLAG_PROMISC = (1 << 0),
|
|
MLX4_EN_FLAG_MC_PROMISC = (1 << 1),
|
|
/* whether we need to enable hardware loopback by putting dmac
|
|
* in Tx WQE
|
|
*/
|
|
MLX4_EN_FLAG_ENABLE_HW_LOOPBACK = (1 << 2),
|
|
/* whether we need to drop packets that hardware loopback-ed */
|
|
MLX4_EN_FLAG_RX_FILTER_NEEDED = (1 << 3),
|
|
MLX4_EN_FLAG_FORCE_PROMISC = (1 << 4),
|
|
MLX4_EN_FLAG_RX_CSUM_NON_TCP_UDP = (1 << 5),
|
|
#ifdef CONFIG_MLX4_EN_DCB
|
|
MLX4_EN_FLAG_DCB_ENABLED = (1 << 6),
|
|
#endif
|
|
};
|
|
|
|
#define PORT_BEACON_MAX_LIMIT (65535)
|
|
#define MLX4_EN_MAC_HASH_SIZE (1 << BITS_PER_BYTE)
|
|
#define MLX4_EN_MAC_HASH_IDX 5
|
|
|
|
struct mlx4_en_stats_bitmap {
|
|
DECLARE_BITMAP(bitmap, NUM_ALL_STATS);
|
|
struct mutex mutex; /* for mutual access to stats bitmap */
|
|
};
|
|
|
|
enum {
|
|
MLX4_EN_STATE_FLAG_RESTARTING,
|
|
};
|
|
|
|
struct mlx4_en_priv {
|
|
struct mlx4_en_dev *mdev;
|
|
struct mlx4_en_port_profile *prof;
|
|
struct net_device *dev;
|
|
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
|
|
struct mlx4_en_port_state port_state;
|
|
spinlock_t stats_lock;
|
|
struct ethtool_flow_id ethtool_rules[MAX_NUM_OF_FS_RULES];
|
|
/* To allow rules removal while port is going down */
|
|
struct list_head ethtool_list;
|
|
|
|
unsigned long last_moder_packets[MAX_RX_RINGS];
|
|
unsigned long last_moder_tx_packets;
|
|
unsigned long last_moder_bytes[MAX_RX_RINGS];
|
|
unsigned long last_moder_jiffies;
|
|
int last_moder_time[MAX_RX_RINGS];
|
|
u16 rx_usecs;
|
|
u16 rx_frames;
|
|
u16 tx_usecs;
|
|
u16 tx_frames;
|
|
u32 pkt_rate_low;
|
|
u16 rx_usecs_low;
|
|
u32 pkt_rate_high;
|
|
u16 rx_usecs_high;
|
|
u32 sample_interval;
|
|
u32 adaptive_rx_coal;
|
|
u32 msg_enable;
|
|
u32 loopback_ok;
|
|
u32 validate_loopback;
|
|
|
|
struct mlx4_hwq_resources res;
|
|
int link_state;
|
|
bool port_up;
|
|
int port;
|
|
int registered;
|
|
int allocated;
|
|
int stride;
|
|
unsigned char current_mac[ETH_ALEN + 2];
|
|
int mac_index;
|
|
unsigned max_mtu;
|
|
int base_qpn;
|
|
int cqe_factor;
|
|
int cqe_size;
|
|
|
|
struct mlx4_en_rss_map rss_map;
|
|
__be32 ctrl_flags;
|
|
u32 flags;
|
|
u8 num_tx_rings_p_up;
|
|
u32 tx_work_limit;
|
|
u32 tx_ring_num[MLX4_EN_NUM_TX_TYPES];
|
|
u32 rx_ring_num;
|
|
u32 rx_skb_size;
|
|
struct mlx4_en_frag_info frag_info[MLX4_EN_MAX_RX_FRAGS];
|
|
u8 num_frags;
|
|
u8 log_rx_info;
|
|
u8 dma_dir;
|
|
u16 rx_headroom;
|
|
|
|
struct mlx4_en_tx_ring **tx_ring[MLX4_EN_NUM_TX_TYPES];
|
|
struct mlx4_en_rx_ring *rx_ring[MAX_RX_RINGS];
|
|
struct mlx4_en_cq **tx_cq[MLX4_EN_NUM_TX_TYPES];
|
|
struct mlx4_en_cq *rx_cq[MAX_RX_RINGS];
|
|
struct mlx4_qp drop_qp;
|
|
struct work_struct rx_mode_task;
|
|
struct work_struct restart_task;
|
|
struct work_struct linkstate_task;
|
|
struct delayed_work stats_task;
|
|
struct delayed_work service_task;
|
|
struct mlx4_en_pkt_stats pkstats;
|
|
struct mlx4_en_counter_stats pf_stats;
|
|
struct mlx4_en_flow_stats_rx rx_priority_flowstats[MLX4_NUM_PRIORITIES];
|
|
struct mlx4_en_flow_stats_tx tx_priority_flowstats[MLX4_NUM_PRIORITIES];
|
|
struct mlx4_en_flow_stats_rx rx_flowstats;
|
|
struct mlx4_en_flow_stats_tx tx_flowstats;
|
|
struct mlx4_en_port_stats port_stats;
|
|
struct mlx4_en_xdp_stats xdp_stats;
|
|
struct mlx4_en_phy_stats phy_stats;
|
|
struct mlx4_en_stats_bitmap stats_bitmap;
|
|
struct list_head mc_list;
|
|
struct list_head curr_list;
|
|
u64 broadcast_id;
|
|
struct mlx4_en_stat_out_mbox hw_stats;
|
|
int vids[128];
|
|
bool wol;
|
|
struct device *ddev;
|
|
struct hlist_head mac_hash[MLX4_EN_MAC_HASH_SIZE];
|
|
struct hwtstamp_config hwtstamp_config;
|
|
u32 counter_index;
|
|
|
|
#ifdef CONFIG_MLX4_EN_DCB
|
|
#define MLX4_EN_DCB_ENABLED 0x3
|
|
struct ieee_ets ets;
|
|
u16 maxrate[IEEE_8021QAZ_MAX_TCS];
|
|
enum dcbnl_cndd_states cndd_state[IEEE_8021QAZ_MAX_TCS];
|
|
struct mlx4_en_cee_config cee_config;
|
|
u8 dcbx_cap;
|
|
#endif
|
|
#ifdef CONFIG_RFS_ACCEL
|
|
spinlock_t filters_lock;
|
|
int last_filter_id;
|
|
struct list_head filters;
|
|
struct hlist_head filter_hash[1 << MLX4_EN_FILTER_HASH_SHIFT];
|
|
#endif
|
|
u64 tunnel_reg_id;
|
|
__be16 vxlan_port;
|
|
|
|
u32 pflags;
|
|
u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
|
|
u8 rss_hash_fn;
|
|
unsigned long state;
|
|
};
|
|
|
|
enum mlx4_en_wol {
|
|
MLX4_EN_WOL_MAGIC = (1ULL << 61),
|
|
MLX4_EN_WOL_ENABLED = (1ULL << 62),
|
|
};
|
|
|
|
struct mlx4_mac_entry {
|
|
struct hlist_node hlist;
|
|
unsigned char mac[ETH_ALEN + 2];
|
|
u64 reg_id;
|
|
struct rcu_head rcu;
|
|
};
|
|
|
|
static inline struct mlx4_cqe *mlx4_en_get_cqe(void *buf, int idx, int cqe_sz)
|
|
{
|
|
return buf + idx * cqe_sz;
|
|
}
|
|
|
|
#define MLX4_EN_WOL_DO_MODIFY (1ULL << 63)
|
|
|
|
void mlx4_en_init_ptys2ethtool_map(void);
|
|
void mlx4_en_update_loopback_state(struct net_device *dev,
|
|
netdev_features_t features);
|
|
|
|
void mlx4_en_destroy_netdev(struct net_device *dev);
|
|
int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
|
|
struct mlx4_en_port_profile *prof);
|
|
|
|
int mlx4_en_start_port(struct net_device *dev);
|
|
void mlx4_en_stop_port(struct net_device *dev, int detach);
|
|
|
|
void mlx4_en_set_stats_bitmap(struct mlx4_dev *dev,
|
|
struct mlx4_en_stats_bitmap *stats_bitmap,
|
|
u8 rx_ppp, u8 rx_pause,
|
|
u8 tx_ppp, u8 tx_pause);
|
|
|
|
int mlx4_en_try_alloc_resources(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_priv *tmp,
|
|
struct mlx4_en_port_profile *prof,
|
|
bool carry_xdp_prog);
|
|
void mlx4_en_safe_replace_resources(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_priv *tmp);
|
|
|
|
int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq,
|
|
int entries, int ring, enum cq_type mode, int node);
|
|
void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq);
|
|
int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
|
|
int cq_idx);
|
|
void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
|
|
int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
|
|
void mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
|
|
|
|
void mlx4_en_tx_irq(struct mlx4_cq *mcq);
|
|
u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
|
|
struct net_device *sb_dev);
|
|
netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
|
|
netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_ring *rx_ring,
|
|
struct mlx4_en_rx_alloc *frame,
|
|
struct mlx4_en_priv *priv, unsigned int length,
|
|
int tx_ind, bool *doorbell_pending);
|
|
void mlx4_en_xmit_doorbell(struct mlx4_en_tx_ring *ring);
|
|
bool mlx4_en_rx_recycle(struct mlx4_en_rx_ring *ring,
|
|
struct mlx4_en_rx_alloc *frame);
|
|
|
|
int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring **pring,
|
|
u32 size, u16 stride,
|
|
int node, int queue_index);
|
|
void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring **pring);
|
|
void mlx4_en_init_tx_xdp_ring_descs(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring *ring);
|
|
int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring *ring,
|
|
int cq, int user_prio);
|
|
void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring *ring);
|
|
void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev);
|
|
void mlx4_en_recover_from_oom(struct mlx4_en_priv *priv);
|
|
int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_rx_ring **pring,
|
|
u32 size, u16 stride, int node, int queue_index);
|
|
void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_rx_ring **pring,
|
|
u32 size, u16 stride);
|
|
int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
|
|
void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_rx_ring *ring);
|
|
int mlx4_en_process_rx_cq(struct net_device *dev,
|
|
struct mlx4_en_cq *cq,
|
|
int budget);
|
|
int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
|
|
int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget);
|
|
int mlx4_en_process_tx_cq(struct net_device *dev,
|
|
struct mlx4_en_cq *cq, int napi_budget);
|
|
u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring *ring,
|
|
int index, u64 timestamp,
|
|
int napi_mode);
|
|
u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
|
|
struct mlx4_en_tx_ring *ring,
|
|
int index, u64 timestamp,
|
|
int napi_mode);
|
|
void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
|
|
int is_tx, int rss, int qpn, int cqn, int user_prio,
|
|
struct mlx4_qp_context *context);
|
|
void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event);
|
|
int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp,
|
|
int loopback);
|
|
void mlx4_en_calc_rx_buf(struct net_device *dev);
|
|
int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
|
|
void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
|
|
int mlx4_en_create_drop_qp(struct mlx4_en_priv *priv);
|
|
void mlx4_en_destroy_drop_qp(struct mlx4_en_priv *priv);
|
|
int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring);
|
|
void mlx4_en_rx_irq(struct mlx4_cq *mcq);
|
|
|
|
int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
|
|
int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv);
|
|
|
|
void mlx4_en_fold_software_stats(struct net_device *dev);
|
|
int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset);
|
|
int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
|
|
|
|
#ifdef CONFIG_MLX4_EN_DCB
|
|
extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops;
|
|
extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_pfc_ops;
|
|
#endif
|
|
|
|
int mlx4_en_setup_tc(struct net_device *dev, u8 up);
|
|
int mlx4_en_alloc_tx_queue_per_tc(struct net_device *dev, u8 tc);
|
|
|
|
#ifdef CONFIG_RFS_ACCEL
|
|
void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv);
|
|
#endif
|
|
|
|
#define MLX4_EN_NUM_SELF_TEST 5
|
|
void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
|
|
void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev);
|
|
|
|
#define DEV_FEATURE_CHANGED(dev, new_features, feature) \
|
|
((dev->features & feature) ^ (new_features & feature))
|
|
|
|
int mlx4_en_moderation_update(struct mlx4_en_priv *priv);
|
|
int mlx4_en_reset_config(struct net_device *dev,
|
|
struct hwtstamp_config ts_config,
|
|
netdev_features_t new_features);
|
|
void mlx4_en_update_pfc_stats_bitmap(struct mlx4_dev *dev,
|
|
struct mlx4_en_stats_bitmap *stats_bitmap,
|
|
u8 rx_ppp, u8 rx_pause,
|
|
u8 tx_ppp, u8 tx_pause);
|
|
int mlx4_en_netdev_event(struct notifier_block *this,
|
|
unsigned long event, void *ptr);
|
|
|
|
struct xdp_md;
|
|
int mlx4_en_xdp_rx_timestamp(const struct xdp_md *ctx, u64 *timestamp);
|
|
int mlx4_en_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash,
|
|
enum xdp_rss_hash_type *rss_type);
|
|
|
|
/*
|
|
* Functions for time stamping
|
|
*/
|
|
u64 mlx4_en_get_cqe_ts(struct mlx4_cqe *cqe);
|
|
u64 mlx4_en_get_hwtstamp(struct mlx4_en_dev *mdev, u64 timestamp);
|
|
void mlx4_en_fill_hwtstamps(struct mlx4_en_dev *mdev,
|
|
struct skb_shared_hwtstamps *hwts,
|
|
u64 timestamp);
|
|
void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev);
|
|
void mlx4_en_remove_timestamp(struct mlx4_en_dev *mdev);
|
|
|
|
/* Globals
|
|
*/
|
|
extern const struct ethtool_ops mlx4_en_ethtool_ops;
|
|
|
|
|
|
|
|
/*
|
|
* printk / logging functions
|
|
*/
|
|
|
|
__printf(3, 4)
|
|
void en_print(const char *level, const struct mlx4_en_priv *priv,
|
|
const char *format, ...);
|
|
|
|
#define en_dbg(mlevel, priv, format, ...) \
|
|
do { \
|
|
if (NETIF_MSG_##mlevel & (priv)->msg_enable) \
|
|
en_print(KERN_DEBUG, priv, format, ##__VA_ARGS__); \
|
|
} while (0)
|
|
#define en_warn(priv, format, ...) \
|
|
en_print(KERN_WARNING, priv, format, ##__VA_ARGS__)
|
|
#define en_err(priv, format, ...) \
|
|
en_print(KERN_ERR, priv, format, ##__VA_ARGS__)
|
|
#define en_info(priv, format, ...) \
|
|
en_print(KERN_INFO, priv, format, ##__VA_ARGS__)
|
|
|
|
#define mlx4_err(mdev, format, ...) \
|
|
pr_err(DRV_NAME " %s: " format, \
|
|
dev_name(&(mdev)->pdev->dev), ##__VA_ARGS__)
|
|
#define mlx4_info(mdev, format, ...) \
|
|
pr_info(DRV_NAME " %s: " format, \
|
|
dev_name(&(mdev)->pdev->dev), ##__VA_ARGS__)
|
|
#define mlx4_warn(mdev, format, ...) \
|
|
pr_warn(DRV_NAME " %s: " format, \
|
|
dev_name(&(mdev)->pdev->dev), ##__VA_ARGS__)
|
|
|
|
#endif
|