79c7b7190f
led(4) so they can be lit or f.e. made blink via `echo f2 > /dev/led/em0` for localization purposes. Approved by: jfv MFC afer: 1 week (after r205869)
458 lines
15 KiB
C
458 lines
15 KiB
C
/******************************************************************************
|
|
|
|
Copyright (c) 2001-2010, Intel Corporation
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. 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.
|
|
|
|
3. Neither the name of the Intel Corporation nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
******************************************************************************/
|
|
/*$FreeBSD$*/
|
|
|
|
|
|
#ifndef _EM_H_DEFINED_
|
|
#define _EM_H_DEFINED_
|
|
|
|
|
|
/* Tunables */
|
|
|
|
/*
|
|
* EM_TXD: Maximum number of Transmit Descriptors
|
|
* Valid Range: 80-256 for 82542 and 82543-based adapters
|
|
* 80-4096 for others
|
|
* Default Value: 256
|
|
* This value is the number of transmit descriptors allocated by the driver.
|
|
* Increasing this value allows the driver to queue more transmits. Each
|
|
* descriptor is 16 bytes.
|
|
* Since TDLEN should be multiple of 128bytes, the number of transmit
|
|
* desscriptors should meet the following condition.
|
|
* (num_tx_desc * sizeof(struct e1000_tx_desc)) % 128 == 0
|
|
*/
|
|
#define EM_MIN_TXD 80
|
|
#define EM_MAX_TXD 4096
|
|
#define EM_DEFAULT_TXD 1024
|
|
|
|
/*
|
|
* EM_RXD - Maximum number of receive Descriptors
|
|
* Valid Range: 80-256 for 82542 and 82543-based adapters
|
|
* 80-4096 for others
|
|
* Default Value: 256
|
|
* This value is the number of receive descriptors allocated by the driver.
|
|
* Increasing this value allows the driver to buffer more incoming packets.
|
|
* Each descriptor is 16 bytes. A receive buffer is also allocated for each
|
|
* descriptor. The maximum MTU size is 16110.
|
|
* Since TDLEN should be multiple of 128bytes, the number of transmit
|
|
* desscriptors should meet the following condition.
|
|
* (num_tx_desc * sizeof(struct e1000_tx_desc)) % 128 == 0
|
|
*/
|
|
#define EM_MIN_RXD 80
|
|
#define EM_MAX_RXD 4096
|
|
#define EM_DEFAULT_RXD 1024
|
|
|
|
/*
|
|
* EM_TIDV - Transmit Interrupt Delay Value
|
|
* Valid Range: 0-65535 (0=off)
|
|
* Default Value: 64
|
|
* This value delays the generation of transmit interrupts in units of
|
|
* 1.024 microseconds. Transmit interrupt reduction can improve CPU
|
|
* efficiency if properly tuned for specific network traffic. If the
|
|
* system is reporting dropped transmits, this value may be set too high
|
|
* causing the driver to run out of available transmit descriptors.
|
|
*/
|
|
#define EM_TIDV 64
|
|
|
|
/*
|
|
* EM_TADV - Transmit Absolute Interrupt Delay Value
|
|
* (Not valid for 82542/82543/82544)
|
|
* Valid Range: 0-65535 (0=off)
|
|
* Default Value: 64
|
|
* This value, in units of 1.024 microseconds, limits the delay in which a
|
|
* transmit interrupt is generated. Useful only if EM_TIDV is non-zero,
|
|
* this value ensures that an interrupt is generated after the initial
|
|
* packet is sent on the wire within the set amount of time. Proper tuning,
|
|
* along with EM_TIDV, may improve traffic throughput in specific
|
|
* network conditions.
|
|
*/
|
|
#define EM_TADV 64
|
|
|
|
/*
|
|
* EM_RDTR - Receive Interrupt Delay Timer (Packet Timer)
|
|
* Valid Range: 0-65535 (0=off)
|
|
* Default Value: 0
|
|
* This value delays the generation of receive interrupts in units of 1.024
|
|
* microseconds. Receive interrupt reduction can improve CPU efficiency if
|
|
* properly tuned for specific network traffic. Increasing this value adds
|
|
* extra latency to frame reception and can end up decreasing the throughput
|
|
* of TCP traffic. If the system is reporting dropped receives, this value
|
|
* may be set too high, causing the driver to run out of available receive
|
|
* descriptors.
|
|
*
|
|
* CAUTION: When setting EM_RDTR to a value other than 0, adapters
|
|
* may hang (stop transmitting) under certain network conditions.
|
|
* If this occurs a WATCHDOG message is logged in the system
|
|
* event log. In addition, the controller is automatically reset,
|
|
* restoring the network connection. To eliminate the potential
|
|
* for the hang ensure that EM_RDTR is set to 0.
|
|
*/
|
|
#define EM_RDTR 0
|
|
|
|
/*
|
|
* Receive Interrupt Absolute Delay Timer (Not valid for 82542/82543/82544)
|
|
* Valid Range: 0-65535 (0=off)
|
|
* Default Value: 64
|
|
* This value, in units of 1.024 microseconds, limits the delay in which a
|
|
* receive interrupt is generated. Useful only if EM_RDTR is non-zero,
|
|
* this value ensures that an interrupt is generated after the initial
|
|
* packet is received within the set amount of time. Proper tuning,
|
|
* along with EM_RDTR, may improve traffic throughput in specific network
|
|
* conditions.
|
|
*/
|
|
#define EM_RADV 64
|
|
|
|
/*
|
|
* This parameter controls the max duration of transmit watchdog.
|
|
*/
|
|
#define EM_WATCHDOG (10 * hz)
|
|
|
|
/*
|
|
* This parameter controls when the driver calls the routine to reclaim
|
|
* transmit descriptors.
|
|
*/
|
|
#define EM_TX_CLEANUP_THRESHOLD (adapter->num_tx_desc / 8)
|
|
|
|
/*
|
|
* This parameter controls whether or not autonegotation is enabled.
|
|
* 0 - Disable autonegotiation
|
|
* 1 - Enable autonegotiation
|
|
*/
|
|
#define DO_AUTO_NEG 1
|
|
|
|
/*
|
|
* This parameter control whether or not the driver will wait for
|
|
* autonegotiation to complete.
|
|
* 1 - Wait for autonegotiation to complete
|
|
* 0 - Don't wait for autonegotiation to complete
|
|
*/
|
|
#define WAIT_FOR_AUTO_NEG_DEFAULT 0
|
|
|
|
/* Tunables -- End */
|
|
|
|
#define AUTONEG_ADV_DEFAULT (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
|
|
ADVERTISE_100_HALF | ADVERTISE_100_FULL | \
|
|
ADVERTISE_1000_FULL)
|
|
|
|
#define AUTO_ALL_MODES 0
|
|
|
|
/* PHY master/slave setting */
|
|
#define EM_MASTER_SLAVE e1000_ms_hw_default
|
|
|
|
/*
|
|
* Micellaneous constants
|
|
*/
|
|
#define EM_VENDOR_ID 0x8086
|
|
#define EM_FLASH 0x0014
|
|
|
|
#define EM_JUMBO_PBA 0x00000028
|
|
#define EM_DEFAULT_PBA 0x00000030
|
|
#define EM_SMARTSPEED_DOWNSHIFT 3
|
|
#define EM_SMARTSPEED_MAX 15
|
|
#define EM_MAX_LOOP 10
|
|
|
|
#define MAX_NUM_MULTICAST_ADDRESSES 128
|
|
#define PCI_ANY_ID (~0U)
|
|
#define ETHER_ALIGN 2
|
|
#define EM_FC_PAUSE_TIME 0x0680
|
|
#define EM_EEPROM_APME 0x400;
|
|
#define EM_82544_APME 0x0004;
|
|
|
|
/*
|
|
* TDBA/RDBA should be aligned on 16 byte boundary. But TDLEN/RDLEN should be
|
|
* multiple of 128 bytes. So we align TDBA/RDBA on 128 byte boundary. This will
|
|
* also optimize cache line size effect. H/W supports up to cache line size 128.
|
|
*/
|
|
#define EM_DBA_ALIGN 128
|
|
|
|
#define SPEED_MODE_BIT (1<<21) /* On PCI-E MACs only */
|
|
|
|
/* PCI Config defines */
|
|
#define EM_BAR_TYPE(v) ((v) & EM_BAR_TYPE_MASK)
|
|
#define EM_BAR_TYPE_MASK 0x00000001
|
|
#define EM_BAR_TYPE_MMEM 0x00000000
|
|
#define EM_BAR_TYPE_FLASH 0x0014
|
|
#define EM_BAR_MEM_TYPE(v) ((v) & EM_BAR_MEM_TYPE_MASK)
|
|
#define EM_BAR_MEM_TYPE_MASK 0x00000006
|
|
#define EM_BAR_MEM_TYPE_32BIT 0x00000000
|
|
#define EM_BAR_MEM_TYPE_64BIT 0x00000004
|
|
#define EM_MSIX_BAR 3 /* On 82575 */
|
|
|
|
/* Defines for printing debug information */
|
|
#define DEBUG_INIT 0
|
|
#define DEBUG_IOCTL 0
|
|
#define DEBUG_HW 0
|
|
|
|
#define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n")
|
|
#define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A)
|
|
#define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B)
|
|
#define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n")
|
|
#define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A)
|
|
#define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B)
|
|
#define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n")
|
|
#define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A)
|
|
#define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B)
|
|
|
|
#define EM_MAX_SCATTER 64
|
|
#define EM_VFTA_SIZE 128
|
|
#define EM_TSO_SIZE (65535 + sizeof(struct ether_vlan_header))
|
|
#define EM_TSO_SEG_SIZE 4096 /* Max dma segment size */
|
|
#define EM_MSIX_MASK 0x01F00000 /* For 82574 use */
|
|
#define EM_MSIX_LINK 0x01000000 /* For 82574 use */
|
|
#define ETH_ZLEN 60
|
|
#define ETH_ADDR_LEN 6
|
|
#define CSUM_OFFLOAD 7 /* Offload bits in mbuf flag */
|
|
|
|
/*
|
|
* 82574 has a nonstandard address for EIAC
|
|
* and since its only used in MSIX, and in
|
|
* the em driver only 82574 uses MSIX we can
|
|
* solve it just using this define.
|
|
*/
|
|
#define EM_EIAC 0x000DC
|
|
|
|
/*
|
|
* Bus dma allocation structure used by
|
|
* e1000_dma_malloc and e1000_dma_free.
|
|
*/
|
|
struct em_dma_alloc {
|
|
bus_addr_t dma_paddr;
|
|
caddr_t dma_vaddr;
|
|
bus_dma_tag_t dma_tag;
|
|
bus_dmamap_t dma_map;
|
|
bus_dma_segment_t dma_seg;
|
|
int dma_nseg;
|
|
};
|
|
|
|
struct adapter;
|
|
|
|
struct em_int_delay_info {
|
|
struct adapter *adapter; /* Back-pointer to the adapter struct */
|
|
int offset; /* Register offset to read/write */
|
|
int value; /* Current value in usecs */
|
|
};
|
|
|
|
/*
|
|
* The transmit ring, one per tx queue
|
|
*/
|
|
struct tx_ring {
|
|
struct adapter *adapter;
|
|
struct mtx tx_mtx;
|
|
char mtx_name[16];
|
|
u32 me;
|
|
u32 msix;
|
|
u32 ims;
|
|
bool watchdog_check;
|
|
int watchdog_time;
|
|
struct em_dma_alloc txdma;
|
|
struct e1000_tx_desc *tx_base;
|
|
struct task tx_task;
|
|
struct taskqueue *tq;
|
|
u32 next_avail_desc;
|
|
u32 next_to_clean;
|
|
struct em_buffer *tx_buffers;
|
|
volatile u16 tx_avail;
|
|
u32 tx_tso; /* last tx was tso */
|
|
u16 last_hw_offload;
|
|
#if __FreeBSD_version >= 800000
|
|
struct buf_ring *br;
|
|
#endif
|
|
/* Interrupt resources */
|
|
bus_dma_tag_t txtag;
|
|
void *tag;
|
|
struct resource *res;
|
|
unsigned long tx_irq;
|
|
unsigned long no_desc_avail;
|
|
};
|
|
|
|
/*
|
|
* The Receive ring, one per rx queue
|
|
*/
|
|
struct rx_ring {
|
|
struct adapter *adapter;
|
|
u32 me;
|
|
u32 msix;
|
|
u32 ims;
|
|
struct mtx rx_mtx;
|
|
char mtx_name[16];
|
|
u32 payload;
|
|
struct task rx_task;
|
|
struct taskqueue *tq;
|
|
struct e1000_rx_desc *rx_base;
|
|
struct em_dma_alloc rxdma;
|
|
u32 next_to_refresh;
|
|
u32 next_to_check;
|
|
struct em_buffer *rx_buffers;
|
|
struct mbuf *fmp;
|
|
struct mbuf *lmp;
|
|
|
|
/* Interrupt resources */
|
|
void *tag;
|
|
struct resource *res;
|
|
bus_dma_tag_t rxtag;
|
|
bus_dmamap_t rx_sparemap;
|
|
|
|
/* Soft stats */
|
|
unsigned long rx_irq;
|
|
unsigned long rx_packets;
|
|
unsigned long rx_bytes;
|
|
};
|
|
|
|
|
|
/* Our adapter structure */
|
|
struct adapter {
|
|
struct ifnet *ifp;
|
|
struct e1000_hw hw;
|
|
|
|
/* FreeBSD operating-system-specific structures. */
|
|
struct e1000_osdep osdep;
|
|
struct device *dev;
|
|
struct cdev *led_dev;
|
|
|
|
struct resource *memory;
|
|
struct resource *flash;
|
|
struct resource *msix_mem;
|
|
|
|
struct resource *res;
|
|
void *tag;
|
|
u32 linkvec;
|
|
u32 ivars;
|
|
|
|
struct ifmedia media;
|
|
struct callout timer;
|
|
int msix;
|
|
int if_flags;
|
|
int max_frame_size;
|
|
int min_frame_size;
|
|
struct mtx core_mtx;
|
|
int em_insert_vlan_header;
|
|
u32 ims;
|
|
bool in_detach;
|
|
|
|
/* Task for FAST handling */
|
|
struct task link_task;
|
|
struct task que_task;
|
|
struct taskqueue *tq; /* private task queue */
|
|
|
|
eventhandler_tag vlan_attach;
|
|
eventhandler_tag vlan_detach;
|
|
|
|
u16 num_vlans;
|
|
u16 num_queues;
|
|
|
|
/*
|
|
* Transmit rings:
|
|
* Allocated at run time, an array of rings.
|
|
*/
|
|
struct tx_ring *tx_rings;
|
|
int num_tx_desc;
|
|
u32 txd_cmd;
|
|
|
|
/*
|
|
* Receive rings:
|
|
* Allocated at run time, an array of rings.
|
|
*/
|
|
struct rx_ring *rx_rings;
|
|
int num_rx_desc;
|
|
u32 rx_process_limit;
|
|
|
|
/* Management and WOL features */
|
|
u32 wol;
|
|
bool has_manage;
|
|
bool has_amt;
|
|
|
|
/* Info about the board itself */
|
|
uint8_t link_active;
|
|
uint16_t link_speed;
|
|
uint16_t link_duplex;
|
|
uint32_t smartspeed;
|
|
struct em_int_delay_info tx_int_delay;
|
|
struct em_int_delay_info tx_abs_int_delay;
|
|
struct em_int_delay_info rx_int_delay;
|
|
struct em_int_delay_info rx_abs_int_delay;
|
|
|
|
/* Misc stats maintained by the driver */
|
|
unsigned long dropped_pkts;
|
|
unsigned long mbuf_alloc_failed;
|
|
unsigned long mbuf_cluster_failed;
|
|
unsigned long no_tx_map_avail;
|
|
unsigned long no_tx_dma_setup;
|
|
unsigned long rx_overruns;
|
|
unsigned long watchdog_events;
|
|
unsigned long link_irq;
|
|
|
|
struct e1000_hw_stats stats;
|
|
};
|
|
|
|
/********************************************************************************
|
|
* vendor_info_array
|
|
*
|
|
* This array contains the list of Subvendor/Subdevice IDs on which the driver
|
|
* should load.
|
|
*
|
|
********************************************************************************/
|
|
typedef struct _em_vendor_info_t {
|
|
unsigned int vendor_id;
|
|
unsigned int device_id;
|
|
unsigned int subvendor_id;
|
|
unsigned int subdevice_id;
|
|
unsigned int index;
|
|
} em_vendor_info_t;
|
|
|
|
struct em_buffer {
|
|
int next_eop; /* Index of the desc to watch */
|
|
struct mbuf *m_head;
|
|
bus_dmamap_t map; /* bus_dma map for packet */
|
|
};
|
|
|
|
#define EM_CORE_LOCK_INIT(_sc, _name) \
|
|
mtx_init(&(_sc)->core_mtx, _name, "EM Core Lock", MTX_DEF)
|
|
#define EM_TX_LOCK_INIT(_sc, _name) \
|
|
mtx_init(&(_sc)->tx_mtx, _name, "EM TX Lock", MTX_DEF)
|
|
#define EM_RX_LOCK_INIT(_sc, _name) \
|
|
mtx_init(&(_sc)->rx_mtx, _name, "EM RX Lock", MTX_DEF)
|
|
#define EM_CORE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->core_mtx)
|
|
#define EM_TX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->tx_mtx)
|
|
#define EM_RX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->rx_mtx)
|
|
#define EM_CORE_LOCK(_sc) mtx_lock(&(_sc)->core_mtx)
|
|
#define EM_TX_LOCK(_sc) mtx_lock(&(_sc)->tx_mtx)
|
|
#define EM_TX_TRYLOCK(_sc) mtx_trylock(&(_sc)->tx_mtx)
|
|
#define EM_RX_LOCK(_sc) mtx_lock(&(_sc)->rx_mtx)
|
|
#define EM_CORE_UNLOCK(_sc) mtx_unlock(&(_sc)->core_mtx)
|
|
#define EM_TX_UNLOCK(_sc) mtx_unlock(&(_sc)->tx_mtx)
|
|
#define EM_RX_UNLOCK(_sc) mtx_unlock(&(_sc)->rx_mtx)
|
|
#define EM_CORE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->core_mtx, MA_OWNED)
|
|
#define EM_TX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->tx_mtx, MA_OWNED)
|
|
|
|
#endif /* _EM_H_DEFINED_ */
|