mirror of https://github.com/F-Stack/f-stack.git
860 lines
24 KiB
C
860 lines
24 KiB
C
|
/*******************************************************************************
|
||
|
|
|
||
|
|
Intel(R) Gigabit Ethernet Linux driver
|
||
|
|
Copyright(c) 2007-2013 Intel Corporation.
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify it
|
||
|
|
under the terms and conditions of the GNU General Public License,
|
||
|
|
version 2, as published by the Free Software Foundation.
|
||
|
|
|
||
|
|
This program is distributed in the hope it will be useful, but WITHOUT
|
||
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||
|
|
more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License along with
|
||
|
|
this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
|
||
|
|
The full GNU General Public License is included in this distribution in
|
||
|
|
the file called "COPYING".
|
||
|
|
|
||
|
|
Contact Information:
|
||
|
|
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
|
||
|
|
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
||
|
|
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
/* Linux PRO/1000 Ethernet Driver main header file */
|
||
|
|
|
||
|
|
#ifndef _IGB_H_
|
||
|
|
#define _IGB_H_
|
||
|
|
|
||
|
|
#include <linux/kobject.h>
|
||
|
|
|
||
|
|
#ifndef IGB_NO_LRO
|
||
|
|
#include <net/tcp.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#undef HAVE_HW_TIME_STAMP
|
||
|
|
#ifdef HAVE_HW_TIME_STAMP
|
||
|
|
#include <linux/pci.h>
|
||
|
|
#include <linux/netdevice.h>
|
||
|
|
#include <linux/vmalloc.h>
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#ifdef SIOCETHTOOL
|
||
|
|
#include <linux/ethtool.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct igb_adapter;
|
||
|
|
|
||
|
|
#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
|
||
|
|
//#define IGB_DCA
|
||
|
|
#endif
|
||
|
|
#ifdef IGB_DCA
|
||
|
|
#include <linux/dca.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "kcompat.h"
|
||
|
|
|
||
|
|
#ifdef HAVE_SCTP
|
||
|
|
#include <linux/sctp.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "e1000_api.h"
|
||
|
|
#include "e1000_82575.h"
|
||
|
|
#include "e1000_manage.h"
|
||
|
|
#include "e1000_mbx.h"
|
||
|
|
|
||
|
|
#define IGB_ERR(args...) printk(KERN_ERR "igb: " args)
|
||
|
|
|
||
|
|
#define PFX "igb: "
|
||
|
|
#define DPRINTK(nlevel, klevel, fmt, args...) \
|
||
|
|
(void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
|
||
|
|
printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
|
||
|
|
__FUNCTION__ , ## args))
|
||
|
|
|
||
|
|
#ifdef HAVE_PTP_1588_CLOCK
|
||
|
|
#include <linux/clocksource.h>
|
||
|
|
#include <linux/net_tstamp.h>
|
||
|
|
#include <linux/ptp_clock_kernel.h>
|
||
|
|
#endif /* HAVE_PTP_1588_CLOCK */
|
||
|
|
|
||
|
|
#ifdef HAVE_I2C_SUPPORT
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/i2c-algo-bit.h>
|
||
|
|
#endif /* HAVE_I2C_SUPPORT */
|
||
|
|
|
||
|
|
/* Interrupt defines */
|
||
|
|
#define IGB_START_ITR 648 /* ~6000 ints/sec */
|
||
|
|
#define IGB_4K_ITR 980
|
||
|
|
#define IGB_20K_ITR 196
|
||
|
|
#define IGB_70K_ITR 56
|
||
|
|
|
||
|
|
/* Interrupt modes, as used by the IntMode parameter */
|
||
|
|
#define IGB_INT_MODE_LEGACY 0
|
||
|
|
#define IGB_INT_MODE_MSI 1
|
||
|
|
#define IGB_INT_MODE_MSIX 2
|
||
|
|
|
||
|
|
/* TX/RX descriptor defines */
|
||
|
|
#define IGB_DEFAULT_TXD 256
|
||
|
|
#define IGB_DEFAULT_TX_WORK 128
|
||
|
|
#define IGB_MIN_TXD 80
|
||
|
|
#define IGB_MAX_TXD 4096
|
||
|
|
|
||
|
|
#define IGB_DEFAULT_RXD 256
|
||
|
|
#define IGB_MIN_RXD 80
|
||
|
|
#define IGB_MAX_RXD 4096
|
||
|
|
|
||
|
|
#define IGB_MIN_ITR_USECS 10 /* 100k irq/sec */
|
||
|
|
#define IGB_MAX_ITR_USECS 8191 /* 120 irq/sec */
|
||
|
|
|
||
|
|
#define NON_Q_VECTORS 1
|
||
|
|
#define MAX_Q_VECTORS 10
|
||
|
|
|
||
|
|
/* Transmit and receive queues */
|
||
|
|
#define IGB_MAX_RX_QUEUES 16
|
||
|
|
#define IGB_MAX_TX_QUEUES 16
|
||
|
|
|
||
|
|
#define IGB_MAX_VF_MC_ENTRIES 30
|
||
|
|
#define IGB_MAX_VF_FUNCTIONS 8
|
||
|
|
#define IGB_82576_VF_DEV_ID 0x10CA
|
||
|
|
#define IGB_I350_VF_DEV_ID 0x1520
|
||
|
|
#define IGB_MAX_UTA_ENTRIES 128
|
||
|
|
#define MAX_EMULATION_MAC_ADDRS 16
|
||
|
|
#define OUI_LEN 3
|
||
|
|
#define IGB_MAX_VMDQ_QUEUES 8
|
||
|
|
|
||
|
|
|
||
|
|
struct vf_data_storage {
|
||
|
|
unsigned char vf_mac_addresses[ETH_ALEN];
|
||
|
|
u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
|
||
|
|
u16 num_vf_mc_hashes;
|
||
|
|
u16 default_vf_vlan_id;
|
||
|
|
u16 vlans_enabled;
|
||
|
|
unsigned char em_mac_addresses[MAX_EMULATION_MAC_ADDRS * ETH_ALEN];
|
||
|
|
u32 uta_table_copy[IGB_MAX_UTA_ENTRIES];
|
||
|
|
u32 flags;
|
||
|
|
unsigned long last_nack;
|
||
|
|
#ifdef IFLA_VF_MAX
|
||
|
|
u16 pf_vlan; /* When set, guest VLAN config not allowed. */
|
||
|
|
u16 pf_qos;
|
||
|
|
u16 tx_rate;
|
||
|
|
#ifdef HAVE_VF_SPOOFCHK_CONFIGURE
|
||
|
|
bool spoofchk_enabled;
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
#define IGB_VF_FLAG_CTS 0x00000001 /* VF is clear to send data */
|
||
|
|
#define IGB_VF_FLAG_UNI_PROMISC 0x00000002 /* VF has unicast promisc */
|
||
|
|
#define IGB_VF_FLAG_MULTI_PROMISC 0x00000004 /* VF has multicast promisc */
|
||
|
|
#define IGB_VF_FLAG_PF_SET_MAC 0x00000008 /* PF has set MAC address */
|
||
|
|
|
||
|
|
/* RX descriptor control thresholds.
|
||
|
|
* PTHRESH - MAC will consider prefetch if it has fewer than this number of
|
||
|
|
* descriptors available in its onboard memory.
|
||
|
|
* Setting this to 0 disables RX descriptor prefetch.
|
||
|
|
* HTHRESH - MAC will only prefetch if there are at least this many descriptors
|
||
|
|
* available in host memory.
|
||
|
|
* If PTHRESH is 0, this should also be 0.
|
||
|
|
* WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
|
||
|
|
* descriptors until either it has this many to write back, or the
|
||
|
|
* ITR timer expires.
|
||
|
|
*/
|
||
|
|
#define IGB_RX_PTHRESH ((hw->mac.type == e1000_i354) ? 12 : 8)
|
||
|
|
#define IGB_RX_HTHRESH 8
|
||
|
|
#define IGB_TX_PTHRESH ((hw->mac.type == e1000_i354) ? 20 : 8)
|
||
|
|
#define IGB_TX_HTHRESH 1
|
||
|
|
#define IGB_RX_WTHRESH ((hw->mac.type == e1000_82576 && \
|
||
|
|
adapter->msix_entries) ? 1 : 4)
|
||
|
|
|
||
|
|
/* this is the size past which hardware will drop packets when setting LPE=0 */
|
||
|
|
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
|
||
|
|
|
||
|
|
/* NOTE: netdev_alloc_skb reserves 16 bytes, NET_IP_ALIGN means we
|
||
|
|
* reserve 2 more, and skb_shared_info adds an additional 384 more,
|
||
|
|
* this adds roughly 448 bytes of extra data meaning the smallest
|
||
|
|
* allocation we could have is 1K.
|
||
|
|
* i.e. RXBUFFER_512 --> size-1024 slab
|
||
|
|
*/
|
||
|
|
/* Supported Rx Buffer Sizes */
|
||
|
|
#define IGB_RXBUFFER_256 256
|
||
|
|
#define IGB_RXBUFFER_2048 2048
|
||
|
|
#define IGB_RXBUFFER_16384 16384
|
||
|
|
#define IGB_RX_HDR_LEN IGB_RXBUFFER_256
|
||
|
|
#if MAX_SKB_FRAGS < 8
|
||
|
|
#define IGB_RX_BUFSZ ALIGN(MAX_JUMBO_FRAME_SIZE / MAX_SKB_FRAGS, 1024)
|
||
|
|
#else
|
||
|
|
#define IGB_RX_BUFSZ IGB_RXBUFFER_2048
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/* Packet Buffer allocations */
|
||
|
|
#define IGB_PBA_BYTES_SHIFT 0xA
|
||
|
|
#define IGB_TX_HEAD_ADDR_SHIFT 7
|
||
|
|
#define IGB_PBA_TX_MASK 0xFFFF0000
|
||
|
|
|
||
|
|
#define IGB_FC_PAUSE_TIME 0x0680 /* 858 usec */
|
||
|
|
|
||
|
|
/* How many Rx Buffers do we bundle into one write to the hardware ? */
|
||
|
|
#define IGB_RX_BUFFER_WRITE 16 /* Must be power of 2 */
|
||
|
|
|
||
|
|
#define IGB_EEPROM_APME 0x0400
|
||
|
|
#define AUTO_ALL_MODES 0
|
||
|
|
|
||
|
|
#ifndef IGB_MASTER_SLAVE
|
||
|
|
/* Switch to override PHY master/slave setting */
|
||
|
|
#define IGB_MASTER_SLAVE e1000_ms_hw_default
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define IGB_MNG_VLAN_NONE -1
|
||
|
|
|
||
|
|
#ifndef IGB_NO_LRO
|
||
|
|
#define IGB_LRO_MAX 32 /*Maximum number of LRO descriptors*/
|
||
|
|
struct igb_lro_stats {
|
||
|
|
u32 flushed;
|
||
|
|
u32 coal;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* igb_lro_header - header format to be aggregated by LRO
|
||
|
|
* @iph: IP header without options
|
||
|
|
* @tcp: TCP header
|
||
|
|
* @ts: Optional TCP timestamp data in TCP options
|
||
|
|
*
|
||
|
|
* This structure relies on the check above that verifies that the header
|
||
|
|
* is IPv4 and does not contain any options.
|
||
|
|
*/
|
||
|
|
struct igb_lrohdr {
|
||
|
|
struct iphdr iph;
|
||
|
|
struct tcphdr th;
|
||
|
|
__be32 ts[0];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct igb_lro_list {
|
||
|
|
struct sk_buff_head active;
|
||
|
|
struct igb_lro_stats stats;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* IGB_NO_LRO */
|
||
|
|
struct igb_cb {
|
||
|
|
#ifndef IGB_NO_LRO
|
||
|
|
#ifdef CONFIG_IGB_DISABLE_PACKET_SPLIT
|
||
|
|
union { /* Union defining head/tail partner */
|
||
|
|
struct sk_buff *head;
|
||
|
|
struct sk_buff *tail;
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
__be32 tsecr; /* timestamp echo response */
|
||
|
|
u32 tsval; /* timestamp value in host order */
|
||
|
|
u32 next_seq; /* next expected sequence number */
|
||
|
|
u16 free; /* 65521 minus total size */
|
||
|
|
u16 mss; /* size of data portion of packet */
|
||
|
|
u16 append_cnt; /* number of skb's appended */
|
||
|
|
#endif /* IGB_NO_LRO */
|
||
|
|
#ifdef HAVE_VLAN_RX_REGISTER
|
||
|
|
u16 vid; /* VLAN tag */
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
#define IGB_CB(skb) ((struct igb_cb *)(skb)->cb)
|
||
|
|
|
||
|
|
enum igb_tx_flags {
|
||
|
|
/* cmd_type flags */
|
||
|
|
IGB_TX_FLAGS_VLAN = 0x01,
|
||
|
|
IGB_TX_FLAGS_TSO = 0x02,
|
||
|
|
IGB_TX_FLAGS_TSTAMP = 0x04,
|
||
|
|
|
||
|
|
/* olinfo flags */
|
||
|
|
IGB_TX_FLAGS_IPV4 = 0x10,
|
||
|
|
IGB_TX_FLAGS_CSUM = 0x20,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* VLAN info */
|
||
|
|
#define IGB_TX_FLAGS_VLAN_MASK 0xffff0000
|
||
|
|
#define IGB_TX_FLAGS_VLAN_SHIFT 16
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The largest size we can write to the descriptor is 65535. In order to
|
||
|
|
* maintain a power of two alignment we have to limit ourselves to 32K.
|
||
|
|
*/
|
||
|
|
#define IGB_MAX_TXD_PWR 15
|
||
|
|
#define IGB_MAX_DATA_PER_TXD (1 << IGB_MAX_TXD_PWR)
|
||
|
|
|
||
|
|
/* Tx Descriptors needed, worst case */
|
||
|
|
#define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IGB_MAX_DATA_PER_TXD)
|
||
|
|
#ifndef MAX_SKB_FRAGS
|
||
|
|
#define DESC_NEEDED 4
|
||
|
|
#elif (MAX_SKB_FRAGS < 16)
|
||
|
|
#define DESC_NEEDED ((MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE)) + 4)
|
||
|
|
#else
|
||
|
|
#define DESC_NEEDED (MAX_SKB_FRAGS + 4)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* wrapper around a pointer to a socket buffer,
|
||
|
|
* so a DMA handle can be stored along with the buffer */
|
||
|
|
struct igb_tx_buffer {
|
||
|
|
union e1000_adv_tx_desc *next_to_watch;
|
||
|
|
unsigned long time_stamp;
|
||
|
|
struct sk_buff *skb;
|
||
|
|
unsigned int bytecount;
|
||
|
|
u16 gso_segs;
|
||
|
|
__be16 protocol;
|
||
|
|
DEFINE_DMA_UNMAP_ADDR(dma);
|
||
|
|
DEFINE_DMA_UNMAP_LEN(len);
|
||
|
|
u32 tx_flags;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct igb_rx_buffer {
|
||
|
|
dma_addr_t dma;
|
||
|
|
#ifdef CONFIG_IGB_DISABLE_PACKET_SPLIT
|
||
|
|
struct sk_buff *skb;
|
||
|
|
#else
|
||
|
|
struct page *page;
|
||
|
|
u32 page_offset;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
struct igb_tx_queue_stats {
|
||
|
|
u64 packets;
|
||
|
|
u64 bytes;
|
||
|
|
u64 restart_queue;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct igb_rx_queue_stats {
|
||
|
|
u64 packets;
|
||
|
|
u64 bytes;
|
||
|
|
u64 drops;
|
||
|
|
u64 csum_err;
|
||
|
|
u64 alloc_failed;
|
||
|
|
u64 ipv4_packets; /* IPv4 headers processed */
|
||
|
|
u64 ipv4e_packets; /* IPv4E headers with extensions processed */
|
||
|
|
u64 ipv6_packets; /* IPv6 headers processed */
|
||
|
|
u64 ipv6e_packets; /* IPv6E headers with extensions processed */
|
||
|
|
u64 tcp_packets; /* TCP headers processed */
|
||
|
|
u64 udp_packets; /* UDP headers processed */
|
||
|
|
u64 sctp_packets; /* SCTP headers processed */
|
||
|
|
u64 nfs_packets; /* NFS headers processe */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct igb_ring_container {
|
||
|
|
struct igb_ring *ring; /* pointer to linked list of rings */
|
||
|
|
unsigned int total_bytes; /* total bytes processed this int */
|
||
|
|
unsigned int total_packets; /* total packets processed this int */
|
||
|
|
u16 work_limit; /* total work allowed per interrupt */
|
||
|
|
u8 count; /* total number of rings in vector */
|
||
|
|
u8 itr; /* current ITR setting for ring */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct igb_ring {
|
||
|
|
struct igb_q_vector *q_vector; /* backlink to q_vector */
|
||
|
|
struct net_device *netdev; /* back pointer to net_device */
|
||
|
|
struct device *dev; /* device for dma mapping */
|
||
|
|
union { /* array of buffer info structs */
|
||
|
|
struct igb_tx_buffer *tx_buffer_info;
|
||
|
|
struct igb_rx_buffer *rx_buffer_info;
|
||
|
|
};
|
||
|
|
#ifdef HAVE_PTP_1588_CLOCK
|
||
|
|
unsigned long last_rx_timestamp;
|
||
|
|
#endif /* HAVE_PTP_1588_CLOCK */
|
||
|
|
void *desc; /* descriptor ring memory */
|
||
|
|
unsigned long flags; /* ring specific flags */
|
||
|
|
void __iomem *tail; /* pointer to ring tail register */
|
||
|
|
dma_addr_t dma; /* phys address of the ring */
|
||
|
|
unsigned int size; /* length of desc. ring in bytes */
|
||
|
|
|
||
|
|
u16 count; /* number of desc. in the ring */
|
||
|
|
u8 queue_index; /* logical index of the ring*/
|
||
|
|
u8 reg_idx; /* physical index of the ring */
|
||
|
|
|
||
|
|
/* everything past this point are written often */
|
||
|
|
u16 next_to_clean;
|
||
|
|
u16 next_to_use;
|
||
|
|
u16 next_to_alloc;
|
||
|
|
|
||
|
|
union {
|
||
|
|
/* TX */
|
||
|
|
struct {
|
||
|
|
struct igb_tx_queue_stats tx_stats;
|
||
|
|
};
|
||
|
|
/* RX */
|
||
|
|
struct {
|
||
|
|
struct igb_rx_queue_stats rx_stats;
|
||
|
|
#ifdef CONFIG_IGB_DISABLE_PACKET_SPLIT
|
||
|
|
u16 rx_buffer_len;
|
||
|
|
#else
|
||
|
|
struct sk_buff *skb;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
};
|
||
|
|
#ifdef CONFIG_IGB_VMDQ_NETDEV
|
||
|
|
struct net_device *vmdq_netdev;
|
||
|
|
int vqueue_index; /* queue index for virtual netdev */
|
||
|
|
#endif
|
||
|
|
} ____cacheline_internodealigned_in_smp;
|
||
|
|
|
||
|
|
struct igb_q_vector {
|
||
|
|
struct igb_adapter *adapter; /* backlink */
|
||
|
|
int cpu; /* CPU for DCA */
|
||
|
|
u32 eims_value; /* EIMS mask value */
|
||
|
|
|
||
|
|
u16 itr_val;
|
||
|
|
u8 set_itr;
|
||
|
|
void __iomem *itr_register;
|
||
|
|
|
||
|
|
struct igb_ring_container rx, tx;
|
||
|
|
|
||
|
|
struct napi_struct napi;
|
||
|
|
#ifndef IGB_NO_LRO
|
||
|
|
struct igb_lro_list lrolist; /* LRO list for queue vector*/
|
||
|
|
#endif
|
||
|
|
char name[IFNAMSIZ + 9];
|
||
|
|
#ifndef HAVE_NETDEV_NAPI_LIST
|
||
|
|
struct net_device poll_dev;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* for dynamic allocation of rings associated with this q_vector */
|
||
|
|
struct igb_ring ring[0] ____cacheline_internodealigned_in_smp;
|
||
|
|
};
|
||
|
|
|
||
|
|
enum e1000_ring_flags_t {
|
||
|
|
#ifndef HAVE_NDO_SET_FEATURES
|
||
|
|
IGB_RING_FLAG_RX_CSUM,
|
||
|
|
#endif
|
||
|
|
IGB_RING_FLAG_RX_SCTP_CSUM,
|
||
|
|
IGB_RING_FLAG_RX_LB_VLAN_BSWAP,
|
||
|
|
IGB_RING_FLAG_TX_CTX_IDX,
|
||
|
|
IGB_RING_FLAG_TX_DETECT_HANG,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct igb_mac_addr {
|
||
|
|
u8 addr[ETH_ALEN];
|
||
|
|
u16 queue;
|
||
|
|
u16 state; /* bitmask */
|
||
|
|
};
|
||
|
|
#define IGB_MAC_STATE_DEFAULT 0x1
|
||
|
|
#define IGB_MAC_STATE_MODIFIED 0x2
|
||
|
|
#define IGB_MAC_STATE_IN_USE 0x4
|
||
|
|
|
||
|
|
#define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS)
|
||
|
|
|
||
|
|
#define IGB_RX_DESC(R, i) \
|
||
|
|
(&(((union e1000_adv_rx_desc *)((R)->desc))[i]))
|
||
|
|
#define IGB_TX_DESC(R, i) \
|
||
|
|
(&(((union e1000_adv_tx_desc *)((R)->desc))[i]))
|
||
|
|
#define IGB_TX_CTXTDESC(R, i) \
|
||
|
|
(&(((struct e1000_adv_tx_context_desc *)((R)->desc))[i]))
|
||
|
|
|
||
|
|
#ifdef CONFIG_IGB_VMDQ_NETDEV
|
||
|
|
#define netdev_ring(ring) \
|
||
|
|
((ring->vmdq_netdev ? ring->vmdq_netdev : ring->netdev))
|
||
|
|
#define ring_queue_index(ring) \
|
||
|
|
((ring->vmdq_netdev ? ring->vqueue_index : ring->queue_index))
|
||
|
|
#else
|
||
|
|
#define netdev_ring(ring) (ring->netdev)
|
||
|
|
#define ring_queue_index(ring) (ring->queue_index)
|
||
|
|
#endif /* CONFIG_IGB_VMDQ_NETDEV */
|
||
|
|
|
||
|
|
/* igb_test_staterr - tests bits within Rx descriptor status and error fields */
|
||
|
|
static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc,
|
||
|
|
const u32 stat_err_bits)
|
||
|
|
{
|
||
|
|
return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* igb_desc_unused - calculate if we have unused descriptors */
|
||
|
|
static inline u16 igb_desc_unused(const struct igb_ring *ring)
|
||
|
|
{
|
||
|
|
u16 ntc = ring->next_to_clean;
|
||
|
|
u16 ntu = ring->next_to_use;
|
||
|
|
|
||
|
|
return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef CONFIG_BQL
|
||
|
|
static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring)
|
||
|
|
{
|
||
|
|
return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_BQL */
|
||
|
|
|
||
|
|
// #ifdef EXT_THERMAL_SENSOR_SUPPORT
|
||
|
|
// #ifdef IGB_PROCFS
|
||
|
|
struct igb_therm_proc_data
|
||
|
|
{
|
||
|
|
struct e1000_hw *hw;
|
||
|
|
struct e1000_thermal_diode_data *sensor_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
// #endif /* IGB_PROCFS */
|
||
|
|
// #endif /* EXT_THERMAL_SENSOR_SUPPORT */
|
||
|
|
|
||
|
|
#ifdef IGB_HWMON
|
||
|
|
#define IGB_HWMON_TYPE_LOC 0
|
||
|
|
#define IGB_HWMON_TYPE_TEMP 1
|
||
|
|
#define IGB_HWMON_TYPE_CAUTION 2
|
||
|
|
#define IGB_HWMON_TYPE_MAX 3
|
||
|
|
|
||
|
|
struct hwmon_attr {
|
||
|
|
struct device_attribute dev_attr;
|
||
|
|
struct e1000_hw *hw;
|
||
|
|
struct e1000_thermal_diode_data *sensor;
|
||
|
|
char name[12];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct hwmon_buff {
|
||
|
|
struct device *device;
|
||
|
|
struct hwmon_attr *hwmon_list;
|
||
|
|
unsigned int n_hwmon;
|
||
|
|
};
|
||
|
|
#endif /* IGB_HWMON */
|
||
|
|
|
||
|
|
/* board specific private data structure */
|
||
|
|
struct igb_adapter {
|
||
|
|
#ifdef HAVE_VLAN_RX_REGISTER
|
||
|
|
/* vlgrp must be first member of structure */
|
||
|
|
struct vlan_group *vlgrp;
|
||
|
|
#else
|
||
|
|
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
|
||
|
|
#endif
|
||
|
|
struct net_device *netdev;
|
||
|
|
|
||
|
|
unsigned long state;
|
||
|
|
unsigned int flags;
|
||
|
|
|
||
|
|
unsigned int num_q_vectors;
|
||
|
|
struct msix_entry *msix_entries;
|
||
|
|
|
||
|
|
|
||
|
|
/* TX */
|
||
|
|
u16 tx_work_limit;
|
||
|
|
u32 tx_timeout_count;
|
||
|
|
int num_tx_queues;
|
||
|
|
struct igb_ring *tx_ring[IGB_MAX_TX_QUEUES];
|
||
|
|
|
||
|
|
/* RX */
|
||
|
|
int num_rx_queues;
|
||
|
|
struct igb_ring *rx_ring[IGB_MAX_RX_QUEUES];
|
||
|
|
|
||
|
|
struct timer_list watchdog_timer;
|
||
|
|
struct timer_list dma_err_timer;
|
||
|
|
struct timer_list phy_info_timer;
|
||
|
|
u16 mng_vlan_id;
|
||
|
|
u32 bd_number;
|
||
|
|
u32 wol;
|
||
|
|
u32 en_mng_pt;
|
||
|
|
u16 link_speed;
|
||
|
|
u16 link_duplex;
|
||
|
|
u8 port_num;
|
||
|
|
|
||
|
|
/* Interrupt Throttle Rate */
|
||
|
|
u32 rx_itr_setting;
|
||
|
|
u32 tx_itr_setting;
|
||
|
|
|
||
|
|
struct work_struct reset_task;
|
||
|
|
struct work_struct watchdog_task;
|
||
|
|
struct work_struct dma_err_task;
|
||
|
|
bool fc_autoneg;
|
||
|
|
u8 tx_timeout_factor;
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
bool tx_hang_detected;
|
||
|
|
bool disable_hw_reset;
|
||
|
|
#endif
|
||
|
|
u32 max_frame_size;
|
||
|
|
|
||
|
|
/* OS defined structs */
|
||
|
|
struct pci_dev *pdev;
|
||
|
|
#ifndef HAVE_NETDEV_STATS_IN_NETDEV
|
||
|
|
struct net_device_stats net_stats;
|
||
|
|
#endif
|
||
|
|
#ifndef IGB_NO_LRO
|
||
|
|
struct igb_lro_stats lro_stats;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* structs defined in e1000_hw.h */
|
||
|
|
struct e1000_hw hw;
|
||
|
|
struct e1000_hw_stats stats;
|
||
|
|
struct e1000_phy_info phy_info;
|
||
|
|
struct e1000_phy_stats phy_stats;
|
||
|
|
|
||
|
|
#ifdef ETHTOOL_TEST
|
||
|
|
u32 test_icr;
|
||
|
|
struct igb_ring test_tx_ring;
|
||
|
|
struct igb_ring test_rx_ring;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int msg_enable;
|
||
|
|
|
||
|
|
struct igb_q_vector *q_vector[MAX_Q_VECTORS];
|
||
|
|
u32 eims_enable_mask;
|
||
|
|
u32 eims_other;
|
||
|
|
|
||
|
|
/* to not mess up cache alignment, always add to the bottom */
|
||
|
|
u32 *config_space;
|
||
|
|
u16 tx_ring_count;
|
||
|
|
u16 rx_ring_count;
|
||
|
|
struct vf_data_storage *vf_data;
|
||
|
|
#ifdef IFLA_VF_MAX
|
||
|
|
int vf_rate_link_speed;
|
||
|
|
#endif
|
||
|
|
u32 lli_port;
|
||
|
|
u32 lli_size;
|
||
|
|
unsigned int vfs_allocated_count;
|
||
|
|
/* Malicious Driver Detection flag. Valid only when SR-IOV is enabled */
|
||
|
|
bool mdd;
|
||
|
|
int int_mode;
|
||
|
|
u32 rss_queues;
|
||
|
|
u32 vmdq_pools;
|
||
|
|
char fw_version[32];
|
||
|
|
u32 wvbr;
|
||
|
|
struct igb_mac_addr *mac_table;
|
||
|
|
#ifdef CONFIG_IGB_VMDQ_NETDEV
|
||
|
|
struct net_device *vmdq_netdev[IGB_MAX_VMDQ_QUEUES];
|
||
|
|
#endif
|
||
|
|
int vferr_refcount;
|
||
|
|
int dmac;
|
||
|
|
u32 *shadow_vfta;
|
||
|
|
|
||
|
|
/* External Thermal Sensor support flag */
|
||
|
|
bool ets;
|
||
|
|
#ifdef IGB_HWMON
|
||
|
|
struct hwmon_buff igb_hwmon_buff;
|
||
|
|
#else /* IGB_HWMON */
|
||
|
|
#ifdef IGB_PROCFS
|
||
|
|
struct proc_dir_entry *eth_dir;
|
||
|
|
struct proc_dir_entry *info_dir;
|
||
|
|
struct proc_dir_entry *therm_dir[E1000_MAX_SENSORS];
|
||
|
|
struct igb_therm_proc_data therm_data[E1000_MAX_SENSORS];
|
||
|
|
bool old_lsc;
|
||
|
|
#endif /* IGB_PROCFS */
|
||
|
|
#endif /* IGB_HWMON */
|
||
|
|
u32 etrack_id;
|
||
|
|
|
||
|
|
#ifdef HAVE_PTP_1588_CLOCK
|
||
|
|
struct ptp_clock *ptp_clock;
|
||
|
|
struct ptp_clock_info ptp_caps;
|
||
|
|
struct delayed_work ptp_overflow_work;
|
||
|
|
struct work_struct ptp_tx_work;
|
||
|
|
struct sk_buff *ptp_tx_skb;
|
||
|
|
unsigned long ptp_tx_start;
|
||
|
|
unsigned long last_rx_ptp_check;
|
||
|
|
spinlock_t tmreg_lock;
|
||
|
|
struct cyclecounter cc;
|
||
|
|
struct timecounter tc;
|
||
|
|
u32 tx_hwtstamp_timeouts;
|
||
|
|
u32 rx_hwtstamp_cleared;
|
||
|
|
#endif /* HAVE_PTP_1588_CLOCK */
|
||
|
|
|
||
|
|
#ifdef HAVE_I2C_SUPPORT
|
||
|
|
struct i2c_algo_bit_data i2c_algo;
|
||
|
|
struct i2c_adapter i2c_adap;
|
||
|
|
struct i2c_client *i2c_client;
|
||
|
|
#endif /* HAVE_I2C_SUPPORT */
|
||
|
|
unsigned long link_check_timeout;
|
||
|
|
|
||
|
|
|
||
|
|
int devrc;
|
||
|
|
|
||
|
|
int copper_tries;
|
||
|
|
u16 eee_advert;
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef CONFIG_IGB_VMDQ_NETDEV
|
||
|
|
struct igb_vmdq_adapter {
|
||
|
|
#ifdef HAVE_VLAN_RX_REGISTER
|
||
|
|
/* vlgrp must be first member of structure */
|
||
|
|
struct vlan_group *vlgrp;
|
||
|
|
#else
|
||
|
|
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
|
||
|
|
#endif
|
||
|
|
struct igb_adapter *real_adapter;
|
||
|
|
struct net_device *vnetdev;
|
||
|
|
struct net_device_stats net_stats;
|
||
|
|
struct igb_ring *tx_ring;
|
||
|
|
struct igb_ring *rx_ring;
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define IGB_FLAG_HAS_MSI (1 << 0)
|
||
|
|
#define IGB_FLAG_DCA_ENABLED (1 << 1)
|
||
|
|
#define IGB_FLAG_LLI_PUSH (1 << 2)
|
||
|
|
#define IGB_FLAG_QUAD_PORT_A (1 << 3)
|
||
|
|
#define IGB_FLAG_QUEUE_PAIRS (1 << 4)
|
||
|
|
#define IGB_FLAG_EEE (1 << 5)
|
||
|
|
#define IGB_FLAG_DMAC (1 << 6)
|
||
|
|
#define IGB_FLAG_DETECT_BAD_DMA (1 << 7)
|
||
|
|
#define IGB_FLAG_PTP (1 << 8)
|
||
|
|
#define IGB_FLAG_RSS_FIELD_IPV4_UDP (1 << 9)
|
||
|
|
#define IGB_FLAG_RSS_FIELD_IPV6_UDP (1 << 10)
|
||
|
|
#define IGB_FLAG_WOL_SUPPORTED (1 << 11)
|
||
|
|
#define IGB_FLAG_NEED_LINK_UPDATE (1 << 12)
|
||
|
|
#define IGB_FLAG_LOOPBACK_ENABLE (1 << 13)
|
||
|
|
#define IGB_FLAG_MEDIA_RESET (1 << 14)
|
||
|
|
#define IGB_FLAG_MAS_ENABLE (1 << 15)
|
||
|
|
|
||
|
|
/* Media Auto Sense */
|
||
|
|
#define IGB_MAS_ENABLE_0 0X0001
|
||
|
|
#define IGB_MAS_ENABLE_1 0X0002
|
||
|
|
#define IGB_MAS_ENABLE_2 0X0004
|
||
|
|
#define IGB_MAS_ENABLE_3 0X0008
|
||
|
|
|
||
|
|
#define IGB_MIN_TXPBSIZE 20408
|
||
|
|
#define IGB_TX_BUF_4096 4096
|
||
|
|
|
||
|
|
#define IGB_DMCTLX_DCFLUSH_DIS 0x80000000 /* Disable DMA Coal Flush */
|
||
|
|
|
||
|
|
/* DMA Coalescing defines */
|
||
|
|
#define IGB_DMAC_DISABLE 0
|
||
|
|
#define IGB_DMAC_MIN 250
|
||
|
|
#define IGB_DMAC_500 500
|
||
|
|
#define IGB_DMAC_EN_DEFAULT 1000
|
||
|
|
#define IGB_DMAC_2000 2000
|
||
|
|
#define IGB_DMAC_3000 3000
|
||
|
|
#define IGB_DMAC_4000 4000
|
||
|
|
#define IGB_DMAC_5000 5000
|
||
|
|
#define IGB_DMAC_6000 6000
|
||
|
|
#define IGB_DMAC_7000 7000
|
||
|
|
#define IGB_DMAC_8000 8000
|
||
|
|
#define IGB_DMAC_9000 9000
|
||
|
|
#define IGB_DMAC_MAX 10000
|
||
|
|
|
||
|
|
#define IGB_82576_TSYNC_SHIFT 19
|
||
|
|
#define IGB_82580_TSYNC_SHIFT 24
|
||
|
|
#define IGB_TS_HDR_LEN 16
|
||
|
|
|
||
|
|
/* CEM Support */
|
||
|
|
#define FW_HDR_LEN 0x4
|
||
|
|
#define FW_CMD_DRV_INFO 0xDD
|
||
|
|
#define FW_CMD_DRV_INFO_LEN 0x5
|
||
|
|
#define FW_CMD_RESERVED 0X0
|
||
|
|
#define FW_RESP_SUCCESS 0x1
|
||
|
|
#define FW_UNUSED_VER 0x0
|
||
|
|
#define FW_MAX_RETRIES 3
|
||
|
|
#define FW_STATUS_SUCCESS 0x1
|
||
|
|
#define FW_FAMILY_DRV_VER 0Xffffffff
|
||
|
|
|
||
|
|
#define IGB_MAX_LINK_TRIES 20
|
||
|
|
|
||
|
|
struct e1000_fw_hdr {
|
||
|
|
u8 cmd;
|
||
|
|
u8 buf_len;
|
||
|
|
union
|
||
|
|
{
|
||
|
|
u8 cmd_resv;
|
||
|
|
u8 ret_status;
|
||
|
|
} cmd_or_resp;
|
||
|
|
u8 checksum;
|
||
|
|
};
|
||
|
|
|
||
|
|
#pragma pack(push,1)
|
||
|
|
struct e1000_fw_drv_info {
|
||
|
|
struct e1000_fw_hdr hdr;
|
||
|
|
u8 port_num;
|
||
|
|
u32 drv_version;
|
||
|
|
u16 pad; /* end spacing to ensure length is mult. of dword */
|
||
|
|
u8 pad2; /* end spacing to ensure length is mult. of dword2 */
|
||
|
|
};
|
||
|
|
#pragma pack(pop)
|
||
|
|
|
||
|
|
enum e1000_state_t {
|
||
|
|
__IGB_TESTING,
|
||
|
|
__IGB_RESETTING,
|
||
|
|
__IGB_DOWN
|
||
|
|
};
|
||
|
|
|
||
|
|
extern char igb_driver_name[];
|
||
|
|
extern char igb_driver_version[];
|
||
|
|
|
||
|
|
extern int igb_up(struct igb_adapter *);
|
||
|
|
extern void igb_down(struct igb_adapter *);
|
||
|
|
extern void igb_reinit_locked(struct igb_adapter *);
|
||
|
|
extern void igb_reset(struct igb_adapter *);
|
||
|
|
extern int igb_set_spd_dplx(struct igb_adapter *, u16);
|
||
|
|
extern int igb_setup_tx_resources(struct igb_ring *);
|
||
|
|
extern int igb_setup_rx_resources(struct igb_ring *);
|
||
|
|
extern void igb_free_tx_resources(struct igb_ring *);
|
||
|
|
extern void igb_free_rx_resources(struct igb_ring *);
|
||
|
|
extern void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
|
||
|
|
extern void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
|
||
|
|
extern void igb_setup_tctl(struct igb_adapter *);
|
||
|
|
extern void igb_setup_rctl(struct igb_adapter *);
|
||
|
|
extern netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *);
|
||
|
|
extern void igb_unmap_and_free_tx_resource(struct igb_ring *,
|
||
|
|
struct igb_tx_buffer *);
|
||
|
|
extern void igb_alloc_rx_buffers(struct igb_ring *, u16);
|
||
|
|
extern void igb_clean_rx_ring(struct igb_ring *);
|
||
|
|
extern void igb_update_stats(struct igb_adapter *);
|
||
|
|
extern bool igb_has_link(struct igb_adapter *adapter);
|
||
|
|
extern void igb_set_ethtool_ops(struct net_device *);
|
||
|
|
extern void igb_check_options(struct igb_adapter *);
|
||
|
|
extern void igb_power_up_link(struct igb_adapter *);
|
||
|
|
#ifdef HAVE_PTP_1588_CLOCK
|
||
|
|
extern void igb_ptp_init(struct igb_adapter *adapter);
|
||
|
|
extern void igb_ptp_stop(struct igb_adapter *adapter);
|
||
|
|
extern void igb_ptp_reset(struct igb_adapter *adapter);
|
||
|
|
extern void igb_ptp_tx_work(struct work_struct *work);
|
||
|
|
extern void igb_ptp_rx_hang(struct igb_adapter *adapter);
|
||
|
|
extern void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter);
|
||
|
|
extern void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector,
|
||
|
|
struct sk_buff *skb);
|
||
|
|
extern void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector,
|
||
|
|
unsigned char *va,
|
||
|
|
struct sk_buff *skb);
|
||
|
|
static inline void igb_ptp_rx_hwtstamp(struct igb_ring *rx_ring,
|
||
|
|
union e1000_adv_rx_desc *rx_desc,
|
||
|
|
struct sk_buff *skb)
|
||
|
|
{
|
||
|
|
if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) {
|
||
|
|
#ifdef CONFIG_IGB_DISABLE_PACKET_SPLIT
|
||
|
|
igb_ptp_rx_pktstamp(rx_ring->q_vector, skb->data, skb);
|
||
|
|
skb_pull(skb, IGB_TS_HDR_LEN);
|
||
|
|
#endif
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TS))
|
||
|
|
igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb);
|
||
|
|
|
||
|
|
/* Update the last_rx_timestamp timer in order to enable watchdog check
|
||
|
|
* for error case of latched timestamp on a dropped packet.
|
||
|
|
*/
|
||
|
|
rx_ring->last_rx_timestamp = jiffies;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
|
||
|
|
struct ifreq *ifr, int cmd);
|
||
|
|
#endif /* HAVE_PTP_1588_CLOCK */
|
||
|
|
#ifdef ETHTOOL_OPS_COMPAT
|
||
|
|
extern int ethtool_ioctl(struct ifreq *);
|
||
|
|
#endif
|
||
|
|
extern int igb_write_mc_addr_list(struct net_device *netdev);
|
||
|
|
extern int igb_add_mac_filter(struct igb_adapter *adapter, u8 *addr, u16 queue);
|
||
|
|
extern int igb_del_mac_filter(struct igb_adapter *adapter, u8* addr, u16 queue);
|
||
|
|
extern int igb_available_rars(struct igb_adapter *adapter);
|
||
|
|
extern s32 igb_vlvf_set(struct igb_adapter *, u32, bool, u32);
|
||
|
|
extern void igb_configure_vt_default_pool(struct igb_adapter *adapter);
|
||
|
|
extern void igb_enable_vlan_tags(struct igb_adapter *adapter);
|
||
|
|
#ifndef HAVE_VLAN_RX_REGISTER
|
||
|
|
extern void igb_vlan_mode(struct net_device *, u32);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define E1000_PCS_CFG_IGN_SD 1
|
||
|
|
|
||
|
|
#ifdef IGB_HWMON
|
||
|
|
void igb_sysfs_exit(struct igb_adapter *adapter);
|
||
|
|
int igb_sysfs_init(struct igb_adapter *adapter);
|
||
|
|
#else
|
||
|
|
#ifdef IGB_PROCFS
|
||
|
|
int igb_procfs_init(struct igb_adapter* adapter);
|
||
|
|
void igb_procfs_exit(struct igb_adapter* adapter);
|
||
|
|
int igb_procfs_topdir_init(void);
|
||
|
|
void igb_procfs_topdir_exit(void);
|
||
|
|
#endif /* IGB_PROCFS */
|
||
|
|
#endif /* IGB_HWMON */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _IGB_H_ */
|