548 lines
15 KiB
C
548 lines
15 KiB
C
/******************************************************************************
|
|
SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
Copyright (c) 2001-2017, 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.
|
|
|
|
******************************************************************************/
|
|
|
|
#ifndef _IXGBE_H_
|
|
#define _IXGBE_H_
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/buf_ring.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 <sys/eventhandler.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.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/if_types.h>
|
|
#include <net/if_vlan_var.h>
|
|
#include <net/iflib.h>
|
|
|
|
#include <netinet/in_systm.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.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/gtaskqueue.h>
|
|
#include <sys/pcpu.h>
|
|
#include <sys/smp.h>
|
|
#include <machine/smp.h>
|
|
#include <sys/sbuf.h>
|
|
|
|
#include "ixgbe_api.h"
|
|
#include "ixgbe_common.h"
|
|
#include "ixgbe_phy.h"
|
|
#include "ixgbe_vf.h"
|
|
#include "ixgbe_features.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 2048
|
|
#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 2048
|
|
#define PERFORM_RXD 2048
|
|
#define MAX_RXD 4096
|
|
#define MIN_RXD 64
|
|
|
|
/* Alignment for rings */
|
|
#define DBA_ALIGN 128
|
|
|
|
/*
|
|
* 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 IXGBE_WATCHDOG (10 * hz)
|
|
|
|
/*
|
|
* This parameters control when the driver calls the routine to reclaim
|
|
* transmit descriptors.
|
|
*/
|
|
#define IXGBE_TX_CLEANUP_THRESHOLD(_a) ((_a)->num_tx_desc / 8)
|
|
#define IXGBE_TX_OP_THRESHOLD(_a) ((_a)->num_tx_desc / 32)
|
|
|
|
/* These defines are used in MTU calculations */
|
|
#define IXGBE_MAX_FRAME_SIZE 9728
|
|
#define IXGBE_MTU_HDR (ETHER_HDR_LEN + ETHER_CRC_LEN)
|
|
#define IXGBE_MTU_HDR_VLAN (ETHER_HDR_LEN + ETHER_CRC_LEN + \
|
|
ETHER_VLAN_ENCAP_LEN)
|
|
#define IXGBE_MAX_MTU (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR)
|
|
#define IXGBE_MAX_MTU_VLAN (IXGBE_MAX_FRAME_SIZE - IXGBE_MTU_HDR_VLAN)
|
|
|
|
/* Flow control constants */
|
|
#define IXGBE_FC_PAUSE 0xFFFF
|
|
#define IXGBE_FC_HI 0x20000
|
|
#define IXGBE_FC_LO 0x10000
|
|
|
|
/*
|
|
* Used for optimizing small rx mbufs. Effort is made to keep the copy
|
|
* small and aligned for the CPU L1 cache.
|
|
*
|
|
* MHLEN is typically 168 bytes, giving us 8-byte alignment. Getting
|
|
* 32 byte alignment needed for the fast bcopy results in 8 bytes being
|
|
* wasted. Getting 64 byte alignment, which _should_ be ideal for
|
|
* modern Intel CPUs, results in 40 bytes wasted and a significant drop
|
|
* in observed efficiency of the optimization, 97.9% -> 81.8%.
|
|
*/
|
|
#define IXGBE_MPKTHSIZE (sizeof(struct m_hdr) + sizeof(struct pkthdr))
|
|
|
|
#define IXGBE_RX_COPY_HDR_PADDED ((((IXGBE_MPKTHSIZE - 1) / 32) + 1) * 32)
|
|
#define IXGBE_RX_COPY_LEN (MSIZE - IXGBE_RX_COPY_HDR_PADDED)
|
|
#define IXGBE_RX_COPY_ALIGN (IXGBE_RX_COPY_HDR_PADDED - IXGBE_MPKTHSIZE)
|
|
|
|
/* 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 IXGBE_82598_SCATTER 100
|
|
#define IXGBE_82599_SCATTER 32
|
|
#define IXGBE_TSO_SIZE 262140
|
|
#define IXGBE_RX_HDR 128
|
|
#define IXGBE_VFTA_SIZE 128
|
|
#define IXGBE_BR_SIZE 4096
|
|
#define IXGBE_QUEUE_MIN_FREE 32
|
|
#define IXGBE_MAX_TX_BUSY 10
|
|
#define IXGBE_QUEUE_HUNG 0x80000000
|
|
|
|
#define IXGBE_EITR_DEFAULT 128
|
|
|
|
/* Supported offload bits in mbuf flag */
|
|
#define CSUM_OFFLOAD (CSUM_IP_TSO|CSUM_IP6_TSO|CSUM_IP| \
|
|
CSUM_IP_UDP|CSUM_IP_TCP|CSUM_IP_SCTP| \
|
|
CSUM_IP6_UDP|CSUM_IP6_TCP|CSUM_IP6_SCTP)
|
|
|
|
#define IXGBE_CAPS (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 | IFCAP_TSO | \
|
|
IFCAP_LRO | IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO | \
|
|
IFCAP_VLAN_HWCSUM | IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU | \
|
|
IFCAP_VLAN_HWFILTER | IFCAP_WOL)
|
|
|
|
#ifndef DEVMETHOD_END
|
|
#define DEVMETHOD_END { NULL, NULL }
|
|
#endif
|
|
|
|
/*
|
|
* Interrupt Moderation parameters
|
|
*/
|
|
#define IXGBE_LOW_LATENCY 128
|
|
#define IXGBE_AVE_LATENCY 400
|
|
#define IXGBE_BULK_LATENCY 1200
|
|
|
|
/* Using 1FF (the max value), the interval is ~1.05ms */
|
|
#define IXGBE_LINK_ITR_QUANTA 0x1FF
|
|
#define IXGBE_LINK_ITR ((IXGBE_LINK_ITR_QUANTA << 3) & \
|
|
IXGBE_EITR_ITR_INT_MASK)
|
|
|
|
|
|
/************************************************************************
|
|
* vendor_info_array
|
|
*
|
|
* Contains the list of Subvendor/Subdevice IDs on
|
|
* which the driver should load.
|
|
************************************************************************/
|
|
typedef struct _ixgbe_vendor_info_t {
|
|
unsigned int vendor_id;
|
|
unsigned int device_id;
|
|
unsigned int subvendor_id;
|
|
unsigned int subdevice_id;
|
|
unsigned int index;
|
|
} ixgbe_vendor_info_t;
|
|
|
|
struct ixgbe_bp_data {
|
|
u32 low;
|
|
u32 high;
|
|
u32 log;
|
|
};
|
|
|
|
|
|
/*
|
|
*/
|
|
struct ixgbe_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;
|
|
};
|
|
|
|
struct ixgbe_mc_addr {
|
|
u8 addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
|
|
u32 vmdq;
|
|
};
|
|
|
|
/*
|
|
* The transmit ring, one per queue
|
|
*/
|
|
struct tx_ring {
|
|
struct ixgbe_softc *sc;
|
|
union ixgbe_adv_tx_desc *tx_base;
|
|
uint64_t tx_paddr;
|
|
u32 tail;
|
|
qidx_t *tx_rsq;
|
|
qidx_t tx_rs_cidx;
|
|
qidx_t tx_rs_pidx;
|
|
qidx_t tx_cidx_processed;
|
|
uint8_t me;
|
|
|
|
/* Flow Director */
|
|
u16 atr_sample;
|
|
u16 atr_count;
|
|
|
|
u32 bytes; /* used for AIM */
|
|
u32 packets;
|
|
/* Soft Stats */
|
|
u64 tso_tx;
|
|
u64 total_packets;
|
|
};
|
|
|
|
|
|
/*
|
|
* The Receive ring, one per rx queue
|
|
*/
|
|
struct rx_ring {
|
|
struct ix_rx_queue *que;
|
|
struct ixgbe_softc *sc;
|
|
u32 me;
|
|
u32 tail;
|
|
union ixgbe_adv_rx_desc *rx_base;
|
|
bool hw_rsc;
|
|
bool vtag_strip;
|
|
uint64_t rx_paddr;
|
|
bus_dma_tag_t ptag;
|
|
|
|
u32 bytes; /* Used for AIM calc */
|
|
u32 packets;
|
|
|
|
/* Soft stats */
|
|
u64 rx_irq;
|
|
u64 rx_copies;
|
|
u64 rx_packets;
|
|
u64 rx_bytes;
|
|
u64 rx_discarded;
|
|
u64 rsc_num;
|
|
|
|
/* Flow Director */
|
|
u64 flm;
|
|
};
|
|
|
|
/*
|
|
* Driver queue struct: this is the interrupt container
|
|
* for the associated tx and rx ring.
|
|
*/
|
|
struct ix_rx_queue {
|
|
struct ixgbe_softc *sc;
|
|
u32 msix; /* This queue's MSIX vector */
|
|
u32 eitr_setting;
|
|
struct resource *res;
|
|
void *tag;
|
|
int busy;
|
|
struct rx_ring rxr;
|
|
struct if_irq que_irq;
|
|
u64 irqs;
|
|
};
|
|
|
|
struct ix_tx_queue {
|
|
struct ixgbe_softc *sc;
|
|
u32 msix; /* This queue's MSIX vector */
|
|
struct tx_ring txr;
|
|
};
|
|
|
|
#define IXGBE_MAX_VF_MC 30 /* Max number of multicast entries */
|
|
|
|
struct ixgbe_vf {
|
|
u_int pool;
|
|
u_int rar_index;
|
|
u_int maximum_frame_size;
|
|
uint32_t flags;
|
|
uint8_t ether_addr[ETHER_ADDR_LEN];
|
|
uint16_t mc_hash[IXGBE_MAX_VF_MC];
|
|
uint16_t num_mc_hashes;
|
|
uint16_t default_vlan;
|
|
uint16_t vlan_tag;
|
|
uint16_t api_ver;
|
|
};
|
|
|
|
/* Our softc structure */
|
|
struct ixgbe_softc {
|
|
struct ixgbe_hw hw;
|
|
struct ixgbe_osdep osdep;
|
|
if_ctx_t ctx;
|
|
if_softc_ctx_t shared;
|
|
#define num_tx_queues shared->isc_ntxqsets
|
|
#define num_rx_queues shared->isc_nrxqsets
|
|
#define max_frame_size shared->isc_max_frame_size
|
|
#define intr_type shared->isc_intr
|
|
|
|
device_t dev;
|
|
struct ifnet *ifp;
|
|
|
|
struct resource *pci_mem;
|
|
|
|
/*
|
|
* Interrupt resources: this set is
|
|
* either used for legacy, or for Link
|
|
* when doing MSI-X
|
|
*/
|
|
struct if_irq irq;
|
|
void *tag;
|
|
struct resource *res;
|
|
|
|
struct ifmedia *media;
|
|
int if_flags;
|
|
int msix;
|
|
|
|
u16 num_vlans;
|
|
|
|
/*
|
|
* Shadow VFTA table, this is needed because
|
|
* the real vlan filter table gets cleared during
|
|
* a soft reset and the driver needs to be able
|
|
* to repopulate it.
|
|
*/
|
|
u32 shadow_vfta[IXGBE_VFTA_SIZE];
|
|
|
|
/* Info about the interface */
|
|
int advertise; /* link speeds */
|
|
int enable_aim; /* adaptive interrupt moderation */
|
|
bool link_active;
|
|
u16 num_segs;
|
|
u32 link_speed;
|
|
bool link_up;
|
|
bool link_enabled;
|
|
u32 vector;
|
|
u16 dmac;
|
|
u32 phy_layer;
|
|
|
|
/* Power management-related */
|
|
bool wol_support;
|
|
u32 wufc;
|
|
|
|
/* Mbuf cluster size */
|
|
u32 rx_mbuf_sz;
|
|
|
|
/* Support for pluggable optics */
|
|
bool sfp_probe;
|
|
|
|
/* Flow Director */
|
|
int fdir_reinit;
|
|
|
|
u32 task_requests;
|
|
|
|
/*
|
|
* Queues:
|
|
* This is the irq holder, it has
|
|
* and RX/TX pair or rings associated
|
|
* with it.
|
|
*/
|
|
struct ix_tx_queue *tx_queues;
|
|
struct ix_rx_queue *rx_queues;
|
|
|
|
/* Multicast array memory */
|
|
struct ixgbe_mc_addr *mta;
|
|
|
|
/* SR-IOV */
|
|
int iov_mode;
|
|
int num_vfs;
|
|
int pool;
|
|
struct ixgbe_vf *vfs;
|
|
|
|
/* Bypass */
|
|
struct ixgbe_bp_data bypass;
|
|
|
|
/* Misc stats maintained by the driver */
|
|
unsigned long dropped_pkts;
|
|
unsigned long mbuf_header_failed;
|
|
unsigned long mbuf_packet_failed;
|
|
unsigned long watchdog_events;
|
|
unsigned long link_irq;
|
|
union {
|
|
struct ixgbe_hw_stats pf;
|
|
struct ixgbevf_hw_stats vf;
|
|
} stats;
|
|
|
|
/* counter(9) stats */
|
|
u64 ipackets;
|
|
u64 ierrors;
|
|
u64 opackets;
|
|
u64 oerrors;
|
|
u64 ibytes;
|
|
u64 obytes;
|
|
u64 imcasts;
|
|
u64 omcasts;
|
|
u64 iqdrops;
|
|
u64 noproto;
|
|
|
|
/* Feature capable/enabled flags. See ixgbe_features.h */
|
|
u32 feat_cap;
|
|
u32 feat_en;
|
|
};
|
|
|
|
/* Precision Time Sync (IEEE 1588) defines */
|
|
#define ETHERTYPE_IEEE1588 0x88F7
|
|
#define PICOSECS_PER_TICK 20833
|
|
#define TSYNC_UDP_PORT 319 /* UDP port for the protocol */
|
|
#define IXGBE_ADVTXD_TSTAMP 0x00080000
|
|
|
|
/* Stats macros */
|
|
#define IXGBE_SET_IPACKETS(sc, count) (sc)->ipackets = (count)
|
|
#define IXGBE_SET_IERRORS(sc, count) (sc)->ierrors = (count)
|
|
#define IXGBE_SET_OPACKETS(sc, count) (sc)->opackets = (count)
|
|
#define IXGBE_SET_OERRORS(sc, count) (sc)->oerrors = (count)
|
|
#define IXGBE_SET_COLLISIONS(sc, count)
|
|
#define IXGBE_SET_IBYTES(sc, count) (sc)->ibytes = (count)
|
|
#define IXGBE_SET_OBYTES(sc, count) (sc)->obytes = (count)
|
|
#define IXGBE_SET_IMCASTS(sc, count) (sc)->imcasts = (count)
|
|
#define IXGBE_SET_OMCASTS(sc, count) (sc)->omcasts = (count)
|
|
#define IXGBE_SET_IQDROPS(sc, count) (sc)->iqdrops = (count)
|
|
|
|
/* External PHY register addresses */
|
|
#define IXGBE_PHY_CURRENT_TEMP 0xC820
|
|
#define IXGBE_PHY_OVERTEMP_STATUS 0xC830
|
|
|
|
/* Sysctl help messages; displayed with sysctl -d */
|
|
#define IXGBE_SYSCTL_DESC_ADV_SPEED \
|
|
"\nControl advertised link speed using these flags:\n" \
|
|
"\t0x1 - advertise 100M\n" \
|
|
"\t0x2 - advertise 1G\n" \
|
|
"\t0x4 - advertise 10G\n" \
|
|
"\t0x8 - advertise 10M\n\n" \
|
|
"\t0x10 - advertise 2.5G\n" \
|
|
"\t0x20 - advertise 5G\n\n" \
|
|
"\t100M and 10M are only supported on certain adapters.\n"
|
|
|
|
#define IXGBE_SYSCTL_DESC_SET_FC \
|
|
"\nSet flow control mode using these values:\n" \
|
|
"\t0 - off\n" \
|
|
"\t1 - rx pause\n" \
|
|
"\t2 - tx pause\n" \
|
|
"\t3 - tx and rx pause"
|
|
|
|
#define IXGBE_SYSCTL_DESC_RX_ERRS \
|
|
"\nSum of the following RX errors counters:\n" \
|
|
" * CRC errors,\n" \
|
|
" * illegal byte error count,\n" \
|
|
" * missed packet count,\n" \
|
|
" * length error count,\n" \
|
|
" * undersized packets count,\n" \
|
|
" * fragmented packets count,\n" \
|
|
" * oversized packets count,\n" \
|
|
" * jabber count."
|
|
|
|
/*
|
|
* This checks for a zero mac addr, something that will be likely
|
|
* unless the Admin on the Host has created one.
|
|
*/
|
|
static inline bool
|
|
ixv_check_ether_addr(u8 *addr)
|
|
{
|
|
bool status = true;
|
|
|
|
if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
|
|
addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
|
|
status = false;
|
|
|
|
return (status);
|
|
}
|
|
|
|
uint64_t ixgbe_link_speed_to_baudrate(ixgbe_link_speed speed);
|
|
|
|
/* Shared Prototypes */
|
|
|
|
int ixgbe_allocate_queues(struct ixgbe_softc *);
|
|
int ixgbe_setup_transmit_structures(struct ixgbe_softc *);
|
|
void ixgbe_free_transmit_structures(struct ixgbe_softc *);
|
|
int ixgbe_setup_receive_structures(struct ixgbe_softc *);
|
|
void ixgbe_free_receive_structures(struct ixgbe_softc *);
|
|
int ixgbe_get_regs(SYSCTL_HANDLER_ARGS);
|
|
|
|
#include "ixgbe_bypass.h"
|
|
#include "ixgbe_fdir.h"
|
|
#include "ixgbe_rss.h"
|
|
|
|
#endif /* _IXGBE_H_ */
|