mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
419 lines
11 KiB
C
419 lines
11 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 _IXV_H_
|
|
#define _IXV_H_
|
|
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/sockio.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_arp.h>
|
|
#include <net/bpf.h>
|
|
#include <net/ethernet.h>
|
|
#include <net/if_dl.h>
|
|
#include <net/if_media.h>
|
|
|
|
#include <net/bpf.h>
|
|
#include <net/if_types.h>
|
|
#include <net/if_vlan_var.h>
|
|
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.h>
|
|
#include <netinet/ip.h>
|
|
#include <netinet/ip6.h>
|
|
#include <netinet/tcp.h>
|
|
#include <netinet/tcp_lro.h>
|
|
#include <netinet/udp.h>
|
|
|
|
#include <machine/in_cksum.h>
|
|
|
|
#include <sys/bus.h>
|
|
#include <machine/bus.h>
|
|
#include <sys/rman.h>
|
|
#include <machine/resource.h>
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
#include <machine/clock.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/taskqueue.h>
|
|
#include <sys/pcpu.h>
|
|
#include <sys/smp.h>
|
|
#include <machine/smp.h>
|
|
|
|
#include "ixgbe_api.h"
|
|
#include "ixgbe_vf.h"
|
|
|
|
/* Tunables */
|
|
|
|
/*
|
|
* TxDescriptors Valid Range: 64-4096 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. Performance tests have show the 2K value to be optimal for top
|
|
* performance.
|
|
*/
|
|
#define DEFAULT_TXD 1024
|
|
#define PERFORM_TXD 2048
|
|
#define MAX_TXD 4096
|
|
#define MIN_TXD 64
|
|
|
|
/*
|
|
* RxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
|
|
* number of receive descriptors allocated for each RX queue. 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.
|
|
*
|
|
* Note: with 8 rings and a dual port card, it is possible to bump up
|
|
* against the system mbuf pool limit, you can tune nmbclusters
|
|
* to adjust for this.
|
|
*/
|
|
#define DEFAULT_RXD 1024
|
|
#define PERFORM_RXD 2048
|
|
#define MAX_RXD 4096
|
|
#define MIN_RXD 64
|
|
|
|
/* Alignment for rings */
|
|
#define DBA_ALIGN 128
|
|
|
|
/*
|
|
* This parameter controls the maximum no of times the driver will loop in
|
|
* the isr. Minimum Value = 1
|
|
*/
|
|
#define MAX_LOOP 10
|
|
|
|
/*
|
|
* This is the max watchdog interval, ie. the time that can
|
|
* pass between any two TX clean operations, such only happening
|
|
* when the TX hardware is functioning.
|
|
*/
|
|
#define IXV_WATCHDOG (10 * hz)
|
|
|
|
/*
|
|
* This parameters control when the driver calls the routine to reclaim
|
|
* transmit descriptors.
|
|
*/
|
|
#define IXV_TX_CLEANUP_THRESHOLD (adapter->num_tx_desc / 8)
|
|
#define IXV_TX_OP_THRESHOLD (adapter->num_tx_desc / 32)
|
|
|
|
#define IXV_MAX_FRAME_SIZE 0x3F00
|
|
|
|
/* Flow control constants */
|
|
#define IXV_FC_PAUSE 0xFFFF
|
|
#define IXV_FC_HI 0x20000
|
|
#define IXV_FC_LO 0x10000
|
|
|
|
/* 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 MAX_NUM_MULTICAST_ADDRESSES 128
|
|
#define IXV_EITR_DEFAULT 128
|
|
#define IXV_SCATTER 32
|
|
#define IXV_RX_HDR 128
|
|
#define MSIX_BAR 3
|
|
#define IXV_TSO_SIZE 65535
|
|
#define IXV_BR_SIZE 4096
|
|
#define IXV_LINK_ITR 2000
|
|
#define TX_BUFFER_SIZE ((u32) 1514)
|
|
#define VFTA_SIZE 128
|
|
|
|
/* Offload bits in mbuf flag */
|
|
#if __FreeBSD_version >= 800000
|
|
#define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP|CSUM_SCTP)
|
|
#else
|
|
#define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP)
|
|
#endif
|
|
|
|
/*
|
|
*****************************************************************************
|
|
* vendor_info_array
|
|
*
|
|
* This array contains the list of Subvendor/Subdevice IDs on which the driver
|
|
* should load.
|
|
*
|
|
*****************************************************************************
|
|
*/
|
|
typedef struct _ixv_vendor_info_t {
|
|
unsigned int vendor_id;
|
|
unsigned int device_id;
|
|
unsigned int subvendor_id;
|
|
unsigned int subdevice_id;
|
|
unsigned int index;
|
|
} ixv_vendor_info_t;
|
|
|
|
|
|
struct ixv_tx_buf {
|
|
u32 eop_index;
|
|
struct mbuf *m_head;
|
|
bus_dmamap_t map;
|
|
};
|
|
|
|
struct ixv_rx_buf {
|
|
struct mbuf *m_head;
|
|
struct mbuf *m_pack;
|
|
struct mbuf *fmp;
|
|
bus_dmamap_t hmap;
|
|
bus_dmamap_t pmap;
|
|
};
|
|
|
|
/*
|
|
* Bus dma allocation structure used by ixv_dma_malloc and ixv_dma_free.
|
|
*/
|
|
struct ixv_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;
|
|
bus_size_t dma_size;
|
|
int dma_nseg;
|
|
};
|
|
|
|
/*
|
|
** Driver queue struct: this is the interrupt container
|
|
** for the associated tx and rx ring.
|
|
*/
|
|
struct ix_queue {
|
|
struct adapter *adapter;
|
|
u32 msix; /* This queue's MSIX vector */
|
|
u32 eims; /* This queue's EIMS bit */
|
|
u32 eitr_setting;
|
|
u32 eitr; /* cached reg */
|
|
struct resource *res;
|
|
void *tag;
|
|
struct tx_ring *txr;
|
|
struct rx_ring *rxr;
|
|
struct task que_task;
|
|
struct taskqueue *tq;
|
|
u64 irqs;
|
|
};
|
|
|
|
/*
|
|
* The transmit ring, one per queue
|
|
*/
|
|
struct tx_ring {
|
|
struct adapter *adapter;
|
|
struct mtx tx_mtx;
|
|
u32 me;
|
|
bool watchdog_check;
|
|
int watchdog_time;
|
|
union ixgbe_adv_tx_desc *tx_base;
|
|
struct ixv_dma_alloc txdma;
|
|
u32 next_avail_desc;
|
|
u32 next_to_clean;
|
|
struct ixv_tx_buf *tx_buffers;
|
|
volatile u16 tx_avail;
|
|
u32 txd_cmd;
|
|
bus_dma_tag_t txtag;
|
|
char mtx_name[16];
|
|
struct buf_ring *br;
|
|
/* Soft Stats */
|
|
u32 bytes;
|
|
u32 packets;
|
|
u64 no_desc_avail;
|
|
u64 total_packets;
|
|
};
|
|
|
|
|
|
/*
|
|
* The Receive ring, one per rx queue
|
|
*/
|
|
struct rx_ring {
|
|
struct adapter *adapter;
|
|
struct mtx rx_mtx;
|
|
u32 me;
|
|
union ixgbe_adv_rx_desc *rx_base;
|
|
struct ixv_dma_alloc rxdma;
|
|
struct lro_ctrl lro;
|
|
bool lro_enabled;
|
|
bool hdr_split;
|
|
bool discard;
|
|
u32 next_to_refresh;
|
|
u32 next_to_check;
|
|
char mtx_name[16];
|
|
struct ixv_rx_buf *rx_buffers;
|
|
bus_dma_tag_t htag;
|
|
bus_dma_tag_t ptag;
|
|
|
|
u32 bytes; /* Used for AIM calc */
|
|
u32 packets;
|
|
|
|
/* Soft stats */
|
|
u64 rx_irq;
|
|
u64 rx_split_packets;
|
|
u64 rx_packets;
|
|
u64 rx_bytes;
|
|
u64 rx_discarded;
|
|
};
|
|
|
|
/* Our adapter structure */
|
|
struct adapter {
|
|
struct ifnet *ifp;
|
|
struct ixgbe_hw hw;
|
|
|
|
struct ixgbe_osdep osdep;
|
|
struct device *dev;
|
|
|
|
struct resource *pci_mem;
|
|
struct resource *msix_mem;
|
|
|
|
/*
|
|
* Interrupt resources: this set is
|
|
* either used for legacy, or for Link
|
|
* when doing MSIX
|
|
*/
|
|
void *tag;
|
|
struct resource *res;
|
|
|
|
struct ifmedia media;
|
|
struct callout timer;
|
|
int msix;
|
|
int if_flags;
|
|
|
|
struct mtx core_mtx;
|
|
|
|
eventhandler_tag vlan_attach;
|
|
eventhandler_tag vlan_detach;
|
|
|
|
u16 num_vlans;
|
|
u16 num_queues;
|
|
|
|
/* Info about the board itself */
|
|
bool link_active;
|
|
u16 max_frame_size;
|
|
u32 link_speed;
|
|
bool link_up;
|
|
u32 mbxvec;
|
|
|
|
/* Mbuf cluster size */
|
|
u32 rx_mbuf_sz;
|
|
|
|
/* Support for pluggable optics */
|
|
struct task mbx_task; /* Mailbox tasklet */
|
|
struct taskqueue *tq;
|
|
|
|
/*
|
|
** Queues:
|
|
** This is the irq holder, it has
|
|
** and RX/TX pair or rings associated
|
|
** with it.
|
|
*/
|
|
struct ix_queue *queues;
|
|
|
|
/*
|
|
* Transmit rings:
|
|
* Allocated at run time, an array of rings.
|
|
*/
|
|
struct tx_ring *tx_rings;
|
|
int num_tx_desc;
|
|
|
|
/*
|
|
* Receive rings:
|
|
* Allocated at run time, an array of rings.
|
|
*/
|
|
struct rx_ring *rx_rings;
|
|
int num_rx_desc;
|
|
u64 que_mask;
|
|
u32 rx_process_limit;
|
|
|
|
/* Misc stats maintained by the driver */
|
|
unsigned long dropped_pkts;
|
|
unsigned long mbuf_defrag_failed;
|
|
unsigned long mbuf_header_failed;
|
|
unsigned long mbuf_packet_failed;
|
|
unsigned long no_tx_map_avail;
|
|
unsigned long no_tx_dma_setup;
|
|
unsigned long watchdog_events;
|
|
unsigned long tso_tx;
|
|
unsigned long mbx_irq;
|
|
|
|
struct ixgbevf_hw_stats stats;
|
|
};
|
|
|
|
|
|
#define IXV_CORE_LOCK_INIT(_sc, _name) \
|
|
mtx_init(&(_sc)->core_mtx, _name, "IXV Core Lock", MTX_DEF)
|
|
#define IXV_CORE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->core_mtx)
|
|
#define IXV_TX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->tx_mtx)
|
|
#define IXV_RX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->rx_mtx)
|
|
#define IXV_CORE_LOCK(_sc) mtx_lock(&(_sc)->core_mtx)
|
|
#define IXV_TX_LOCK(_sc) mtx_lock(&(_sc)->tx_mtx)
|
|
#define IXV_TX_TRYLOCK(_sc) mtx_trylock(&(_sc)->tx_mtx)
|
|
#define IXV_RX_LOCK(_sc) mtx_lock(&(_sc)->rx_mtx)
|
|
#define IXV_CORE_UNLOCK(_sc) mtx_unlock(&(_sc)->core_mtx)
|
|
#define IXV_TX_UNLOCK(_sc) mtx_unlock(&(_sc)->tx_mtx)
|
|
#define IXV_RX_UNLOCK(_sc) mtx_unlock(&(_sc)->rx_mtx)
|
|
#define IXV_CORE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->core_mtx, MA_OWNED)
|
|
#define IXV_TX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->tx_mtx, MA_OWNED)
|
|
|
|
/* Workaround to make 8.0 buildable */
|
|
#if __FreeBSD_version >= 800000 && __FreeBSD_version < 800504
|
|
static __inline int
|
|
drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)
|
|
{
|
|
#ifdef ALTQ
|
|
if (ALTQ_IS_ENABLED(&ifp->if_snd))
|
|
return (1);
|
|
#endif
|
|
return (!buf_ring_empty(br));
|
|
}
|
|
#endif
|
|
#endif /* _IXV_H_ */
|