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Files
kernel-49/drivers/net/usb/asix_devices.c
Greg Kroah-Hartman 8cd45b17eb Merge 4.9.187 into android-4.9
Changes in 4.9.187
	MIPS: ath79: fix ar933x uart parity mode
	MIPS: fix build on non-linux hosts
	arm64/efi: Mark __efistub_stext_offset as an absolute symbol explicitly
	dmaengine: imx-sdma: fix use-after-free on probe error path
	ath10k: Do not send probe response template for mesh
	ath9k: Check for errors when reading SREV register
	ath6kl: add some bounds checking
	ath: DFS JP domain W56 fixed pulse type 3 RADAR detection
	batman-adv: fix for leaked TVLV handler.
	media: dvb: usb: fix use after free in dvb_usb_device_exit
	crypto: talitos - fix skcipher failure due to wrong output IV
	media: marvell-ccic: fix DMA s/g desc number calculation
	media: vpss: fix a potential NULL pointer dereference
	media: media_device_enum_links32: clean a reserved field
	net: stmmac: dwmac1000: Clear unused address entries
	net: stmmac: dwmac4/5: Clear unused address entries
	signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
	af_key: fix leaks in key_pol_get_resp and dump_sp.
	xfrm: Fix xfrm sel prefix length validation
	media: mc-device.c: don't memset __user pointer contents
	media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.
	net: phy: Check against net_device being NULL
	crypto: talitos - properly handle split ICV.
	crypto: talitos - Align SEC1 accesses to 32 bits boundaries.
	tua6100: Avoid build warnings.
	locking/lockdep: Fix merging of hlocks with non-zero references
	media: wl128x: Fix some error handling in fm_v4l2_init_video_device()
	cpupower : frequency-set -r option misses the last cpu in related cpu list
	net: fec: Do not use netdev messages too early
	net: axienet: Fix race condition causing TX hang
	s390/qdio: handle PENDING state for QEBSM devices
	perf cs-etm: Properly set the value of 'old' and 'head' in snapshot mode
	perf test 6: Fix missing kvm module load for s390
	gpio: omap: fix lack of irqstatus_raw0 for OMAP4
	gpio: omap: ensure irq is enabled before wakeup
	regmap: fix bulk writes on paged registers
	bpf: silence warning messages in core
	rcu: Force inlining of rcu_read_lock()
	blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration
	xfrm: fix sa selector validation
	perf evsel: Make perf_evsel__name() accept a NULL argument
	vhost_net: disable zerocopy by default
	ipoib: correcly show a VF hardware address
	EDAC/sysfs: Fix memory leak when creating a csrow object
	ipsec: select crypto ciphers for xfrm_algo
	media: i2c: fix warning same module names
	ntp: Limit TAI-UTC offset
	timer_list: Guard procfs specific code
	acpi/arm64: ignore 5.1 FADTs that are reported as 5.0
	media: coda: fix mpeg2 sequence number handling
	media: coda: increment sequence offset for the last returned frame
	mt7601u: do not schedule rx_tasklet when the device has been disconnected
	x86/build: Add 'set -e' to mkcapflags.sh to delete broken capflags.c
	mt7601u: fix possible memory leak when the device is disconnected
	ath10k: fix PCIE device wake up failed
	perf tools: Increase MAX_NR_CPUS and MAX_CACHES
	libata: don't request sense data on !ZAC ATA devices
	clocksource/drivers/exynos_mct: Increase priority over ARM arch timer
	rslib: Fix decoding of shortened codes
	rslib: Fix handling of of caller provided syndrome
	ixgbe: Check DDM existence in transceiver before access
	crypto: asymmetric_keys - select CRYPTO_HASH where needed
	EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec
	bcache: check c->gc_thread by IS_ERR_OR_NULL in cache_set_flush()
	iwlwifi: mvm: Drop large non sta frames
	net: usb: asix: init MAC address buffers
	gpiolib: Fix references to gpiod_[gs]et_*value_cansleep() variants
	Bluetooth: hci_bcsp: Fix memory leak in rx_skb
	Bluetooth: 6lowpan: search for destination address in all peers
	Bluetooth: Check state in l2cap_disconnect_rsp
	Bluetooth: validate BLE connection interval updates
	gtp: fix Illegal context switch in RCU read-side critical section.
	gtp: fix use-after-free in gtp_newlink()
	xen: let alloc_xenballooned_pages() fail if not enough memory free
	scsi: NCR5380: Reduce goto statements in NCR5380_select()
	scsi: NCR5380: Always re-enable reselection interrupt
	scsi: mac_scsi: Increase PIO/PDMA transfer length threshold
	crypto: ghash - fix unaligned memory access in ghash_setkey()
	crypto: arm64/sha1-ce - correct digest for empty data in finup
	crypto: arm64/sha2-ce - correct digest for empty data in finup
	crypto: chacha20poly1305 - fix atomic sleep when using async algorithm
	crypto: crypto4xx - fix a potential double free in ppc4xx_trng_probe
	Input: gtco - bounds check collection indent level
	regulator: s2mps11: Fix buck7 and buck8 wrong voltages
	arm64: tegra: Update Jetson TX1 GPU regulator timings
	iwlwifi: pcie: don't service an interrupt that was masked
	tracing/snapshot: Resize spare buffer if size changed
	NFSv4: Handle the special Linux file open access mode
	lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
	ALSA: seq: Break too long mutex context in the write loop
	ALSA: hda/realtek: apply ALC891 headset fixup to one Dell machine
	media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
	media: coda: Remove unbalanced and unneeded mutex unlock
	KVM: x86/vPMU: refine kvm_pmu err msg when event creation failed
	arm64: tegra: Fix AGIC register range
	fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.
	drm/nouveau/i2c: Enable i2c pads & busses during preinit
	padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
	9p/virtio: Add cleanup path in p9_virtio_init
	PCI: Do not poll for PME if the device is in D3cold
	Btrfs: add missing inode version, ctime and mtime updates when punching hole
	libnvdimm/pfn: fix fsdax-mode namespace info-block zero-fields
	take floppy compat ioctls to sodding floppy.c
	floppy: fix div-by-zero in setup_format_params
	floppy: fix out-of-bounds read in next_valid_format
	floppy: fix invalid pointer dereference in drive_name
	floppy: fix out-of-bounds read in copy_buffer
	coda: pass the host file in vma->vm_file on mmap
	gpu: ipu-v3: ipu-ic: Fix saturation bit offset in TPMEM
	crypto: ccp - Validate the the error value used to index error messages
	PCI: hv: Delete the device earlier from hbus->children for hot-remove
	PCI: hv: Fix a use-after-free bug in hv_eject_device_work()
	crypto: caam - limit output IV to CBC to work around CTR mode DMA issue
	um: Allow building and running on older hosts
	um: Fix FP register size for XSTATE/XSAVE
	parisc: Ensure userspace privilege for ptraced processes in regset functions
	parisc: Fix kernel panic due invalid values in IAOQ0 or IAOQ1
	powerpc/32s: fix suspend/resume when IBATs 4-7 are used
	powerpc/watchpoint: Restore NV GPRs while returning from exception
	eCryptfs: fix a couple type promotion bugs
	intel_th: msu: Fix single mode with disabled IOMMU
	Bluetooth: Add SMP workaround Microsoft Surface Precision Mouse bug
	usb: Handle USB3 remote wakeup for LPM enabled devices correctly
	dm bufio: fix deadlock with loop device
	compiler.h, kasan: Avoid duplicating __read_once_size_nocheck()
	compiler.h: Add read_word_at_a_time() function.
	lib/strscpy: Shut up KASAN false-positives in strscpy()
	ext4: allow directory holes
	bnx2x: Prevent load reordering in tx completion processing
	bnx2x: Prevent ptp_task to be rescheduled indefinitely
	caif-hsi: fix possible deadlock in cfhsi_exit_module()
	igmp: fix memory leak in igmpv3_del_delrec()
	ipv4: don't set IPv6 only flags to IPv4 addresses
	net: bcmgenet: use promisc for unsupported filters
	net: dsa: mv88e6xxx: wait after reset deactivation
	net: neigh: fix multiple neigh timer scheduling
	net: openvswitch: fix csum updates for MPLS actions
	nfc: fix potential illegal memory access
	rxrpc: Fix send on a connected, but unbound socket
	sky2: Disable MSI on ASUS P6T
	vrf: make sure skb->data contains ip header to make routing
	macsec: fix use-after-free of skb during RX
	macsec: fix checksumming after decryption
	netrom: fix a memory leak in nr_rx_frame()
	netrom: hold sock when setting skb->destructor
	bonding: validate ip header before check IPPROTO_IGMP
	tcp: Reset bytes_acked and bytes_received when disconnecting
	net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling
	net: bridge: mcast: fix stale ipv6 hdr pointer when handling v6 query
	net: bridge: stp: don't cache eth dest pointer before skb pull
	perf/x86/amd/uncore: Rename 'L2' to 'LLC'
	perf/x86/amd/uncore: Get correct number of cores sharing last level cache
	perf/events/amd/uncore: Fix amd_uncore_llc ID to use pre-defined cpu_llc_id
	NFSv4: Fix open create exclusive when the server reboots
	nfsd: increase DRC cache limit
	nfsd: give out fewer session slots as limit approaches
	nfsd: fix performance-limiting session calculation
	nfsd: Fix overflow causing non-working mounts on 1 TB machines
	drm/panel: simple: Fix panel_simple_dsi_probe
	usb: core: hub: Disable hub-initiated U1/U2
	tty: max310x: Fix invalid baudrate divisors calculator
	pinctrl: rockchip: fix leaked of_node references
	tty: serial: cpm_uart - fix init when SMC is relocated
	drm/bridge: tc358767: read display_props in get_modes()
	drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz
	memstick: Fix error cleanup path of memstick_init
	tty/serial: digicolor: Fix digicolor-usart already registered warning
	tty: serial: msm_serial: avoid system lockup condition
	serial: 8250: Fix TX interrupt handling condition
	drm/virtio: Add memory barriers for capset cache.
	phy: renesas: rcar-gen2: Fix memory leak at error paths
	drm/rockchip: Properly adjust to a true clock in adjusted_mode
	tty: serial_core: Set port active bit in uart_port_activate
	usb: gadget: Zero ffs_io_data
	powerpc/pci/of: Fix OF flags parsing for 64bit BARs
	PCI: sysfs: Ignore lockdep for remove attribute
	kbuild: Add -Werror=unknown-warning-option to CLANG_FLAGS
	PCI: xilinx-nwl: Fix Multi MSI data programming
	iio: iio-utils: Fix possible incorrect mask calculation
	recordmcount: Fix spurious mcount entries on powerpc
	mfd: core: Set fwnode for created devices
	mfd: arizona: Fix undefined behavior
	mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
	um: Silence lockdep complaint about mmap_sem
	powerpc/4xx/uic: clear pending interrupt after irq type/pol change
	RDMA/i40iw: Set queue pair state when being queried
	serial: sh-sci: Terminate TX DMA during buffer flushing
	serial: sh-sci: Fix TX DMA buffer flushing and workqueue races
	kallsyms: exclude kasan local symbols on s390
	perf test mmap-thread-lookup: Initialize variable to suppress memory sanitizer warning
	RDMA/rxe: Fill in wc byte_len with IB_WC_RECV_RDMA_WITH_IMM
	powerpc/boot: add {get, put}_unaligned_be32 to xz_config.h
	f2fs: avoid out-of-range memory access
	mailbox: handle failed named mailbox channel request
	powerpc/eeh: Handle hugepages in ioremap space
	sh: prevent warnings when using iounmap
	mm/kmemleak.c: fix check for softirq context
	9p: pass the correct prototype to read_cache_page
	mm/mmu_notifier: use hlist_add_head_rcu()
	locking/lockdep: Fix lock used or unused stats error
	locking/lockdep: Hide unused 'class' variable
	usb: wusbcore: fix unbalanced get/put cluster_id
	usb: pci-quirks: Correct AMD PLL quirk detection
	x86/sysfb_efi: Add quirks for some devices with swapped width and height
	x86/speculation/mds: Apply more accurate check on hypervisor platform
	hpet: Fix division by zero in hpet_time_div()
	ALSA: line6: Fix wrong altsetting for LINE6_PODHD500_1
	ALSA: hda - Add a conexant codec entry to let mute led work
	powerpc/tm: Fix oops on sigreturn on systems without TM
	access: avoid the RCU grace period for the temporary subjective credentials
	ipv6: check sk sk_type and protocol early in ip_mroute_set/getsockopt
	tcp: reset sk_send_head in tcp_write_queue_purge
	arm64: dts: marvell: Fix A37xx UART0 register size
	i2c: qup: fixed releasing dma without flush operation completion
	arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ
	ISDN: hfcsusb: checking idx of ep configuration
	media: au0828: fix null dereference in error path
	media: cpia2_usb: first wake up, then free in disconnect
	media: radio-raremono: change devm_k*alloc to k*alloc
	Bluetooth: hci_uart: check for missing tty operations
	sched/fair: Don't free p->numa_faults with concurrent readers
	drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl
	ceph: hold i_ceph_lock when removing caps for freeing inode
	Linux 4.9.187

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-08-05 20:19:31 +03:00

1395 lines
36 KiB
C

/*
* ASIX AX8817X based USB 2.0 Ethernet Devices
* Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
* Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
* Copyright (C) 2006 James Painter <jamie.painter@iname.com>
* Copyright (c) 2002-2003 TiVo Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
*/
#include "asix.h"
#define PHY_MODE_MARVELL 0x0000
#define MII_MARVELL_LED_CTRL 0x0018
#define MII_MARVELL_STATUS 0x001b
#define MII_MARVELL_CTRL 0x0014
#define MARVELL_LED_MANUAL 0x0019
#define MARVELL_STATUS_HWCFG 0x0004
#define MARVELL_CTRL_TXDELAY 0x0002
#define MARVELL_CTRL_RXDELAY 0x0080
#define PHY_MODE_RTL8211CL 0x000C
#define AX88772A_PHY14H 0x14
#define AX88772A_PHY14H_DEFAULT 0x442C
#define AX88772A_PHY15H 0x15
#define AX88772A_PHY15H_DEFAULT 0x03C8
#define AX88772A_PHY16H 0x16
#define AX88772A_PHY16H_DEFAULT 0x4044
struct ax88172_int_data {
__le16 res1;
u8 link;
__le16 res2;
u8 status;
__le16 res3;
} __packed;
static void asix_status(struct usbnet *dev, struct urb *urb)
{
struct ax88172_int_data *event;
int link;
if (urb->actual_length < 8)
return;
event = urb->transfer_buffer;
link = event->link & 0x01;
if (netif_carrier_ok(dev->net) != link) {
usbnet_link_change(dev, link, 1);
netdev_dbg(dev->net, "Link Status is: %d\n", link);
}
}
static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
{
if (is_valid_ether_addr(addr)) {
memcpy(dev->net->dev_addr, addr, ETH_ALEN);
} else {
netdev_info(dev->net, "invalid hw address, using random\n");
eth_hw_addr_random(dev->net);
}
}
/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
static u32 asix_get_phyid(struct usbnet *dev)
{
int phy_reg;
u32 phy_id;
int i;
/* Poll for the rare case the FW or phy isn't ready yet. */
for (i = 0; i < 100; i++) {
phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
if (phy_reg < 0)
return 0;
if (phy_reg != 0 && phy_reg != 0xFFFF)
break;
mdelay(1);
}
if (phy_reg <= 0 || phy_reg == 0xFFFF)
return 0;
phy_id = (phy_reg & 0xffff) << 16;
phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
if (phy_reg < 0)
return 0;
phy_id |= (phy_reg & 0xffff);
return phy_id;
}
static u32 asix_get_link(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
return mii_link_ok(&dev->mii);
}
static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
/* We need to override some ethtool_ops so we require our
own structure so we don't interfere with other usbnet
devices that may be connected at the same time. */
static const struct ethtool_ops ax88172_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = asix_get_wol,
.set_wol = asix_set_wol,
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
static void ax88172_set_multicast(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct asix_data *data = (struct asix_data *)&dev->data;
u8 rx_ctl = 0x8c;
if (net->flags & IFF_PROMISC) {
rx_ctl |= 0x01;
} else if (net->flags & IFF_ALLMULTI ||
netdev_mc_count(net) > AX_MAX_MCAST) {
rx_ctl |= 0x02;
} else if (netdev_mc_empty(net)) {
/* just broadcast and directed */
} else {
/* We use the 20 byte dev->data
* for our 8 byte filter buffer
* to avoid allocating memory that
* is tricky to free later */
struct netdev_hw_addr *ha;
u32 crc_bits;
memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
/* Build the multicast hash filter. */
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
}
asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
AX_MCAST_FILTER_SIZE, data->multi_filter);
rx_ctl |= 0x10;
}
asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
}
static int ax88172_link_reset(struct usbnet *dev)
{
u8 mode;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
mii_check_media(&dev->mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
mode = AX88172_MEDIUM_DEFAULT;
if (ecmd.duplex != DUPLEX_FULL)
mode |= ~AX88172_MEDIUM_FD;
netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
asix_write_medium_mode(dev, mode, 0);
return 0;
}
static const struct net_device_ops ax88172_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
.ndo_get_stats64 = usbnet_get_stats64,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = asix_ioctl,
.ndo_set_rx_mode = ax88172_set_multicast,
};
static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
{
unsigned int timeout = 5000;
asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
/* give phy_id a chance to process reset */
udelay(500);
/* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
while (timeout--) {
if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
& BMCR_RESET)
udelay(100);
else
return;
}
netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
dev->mii.phy_id);
}
static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret = 0;
u8 buf[ETH_ALEN] = {0};
int i;
unsigned long gpio_bits = dev->driver_info->data;
usbnet_get_endpoints(dev,intf);
/* Toggle the GPIOs in a manufacturer/model specific way */
for (i = 2; i >= 0; i--) {
ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
(gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
if (ret < 0)
goto out;
msleep(5);
}
ret = asix_write_rx_ctl(dev, 0x80, 0);
if (ret < 0)
goto out;
/* Get the MAC address */
ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
0, 0, ETH_ALEN, buf, 0);
if (ret < 0) {
netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
ret);
goto out;
}
asix_set_netdev_dev_addr(dev, buf);
/* Initialize MII structure */
dev->mii.dev = dev->net;
dev->mii.mdio_read = asix_mdio_read;
dev->mii.mdio_write = asix_mdio_write;
dev->mii.phy_id_mask = 0x3f;
dev->mii.reg_num_mask = 0x1f;
dev->mii.phy_id = asix_get_phy_addr(dev);
dev->net->netdev_ops = &ax88172_netdev_ops;
dev->net->ethtool_ops = &ax88172_ethtool_ops;
dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
asix_phy_reset(dev, BMCR_RESET);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
mii_nway_restart(&dev->mii);
return 0;
out:
return ret;
}
static const struct ethtool_ops ax88772_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = asix_get_wol,
.set_wol = asix_set_wol,
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
static int ax88772_link_reset(struct usbnet *dev)
{
u16 mode;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
mii_check_media(&dev->mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
mode = AX88772_MEDIUM_DEFAULT;
if (ethtool_cmd_speed(&ecmd) != SPEED_100)
mode &= ~AX_MEDIUM_PS;
if (ecmd.duplex != DUPLEX_FULL)
mode &= ~AX_MEDIUM_FD;
netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
asix_write_medium_mode(dev, mode, 0);
return 0;
}
static int ax88772_reset(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
int ret;
/* Rewrite MAC address */
ether_addr_copy(data->mac_addr, dev->net->dev_addr);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
ETH_ALEN, data->mac_addr, 0);
if (ret < 0)
goto out;
/* Set RX_CTL to default values with 2k buffer, and enable cactus */
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
if (ret < 0)
goto out;
asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
if (ret < 0)
goto out;
return 0;
out:
return ret;
}
static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
{
struct asix_data *data = (struct asix_data *)&dev->data;
int ret, embd_phy;
u16 rx_ctl;
ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
AX_GPIO_GPO2EN, 5, in_pm);
if (ret < 0)
goto out;
embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy,
0, 0, NULL, in_pm);
if (ret < 0) {
netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
goto out;
}
if (embd_phy) {
ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
if (ret < 0)
goto out;
usleep_range(10000, 11000);
ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
if (ret < 0)
goto out;
msleep(60);
ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
in_pm);
if (ret < 0)
goto out;
} else {
ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
in_pm);
if (ret < 0)
goto out;
}
msleep(150);
if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
MII_PHYSID1))){
ret = -EIO;
goto out;
}
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
if (ret < 0)
goto out;
ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
if (ret < 0)
goto out;
ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
if (ret < 0) {
netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
goto out;
}
/* Rewrite MAC address */
ether_addr_copy(data->mac_addr, dev->net->dev_addr);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
ETH_ALEN, data->mac_addr, in_pm);
if (ret < 0)
goto out;
/* Set RX_CTL to default values with 2k buffer, and enable cactus */
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
if (ret < 0)
goto out;
rx_ctl = asix_read_rx_ctl(dev, in_pm);
netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
rx_ctl);
rx_ctl = asix_read_medium_status(dev, in_pm);
netdev_dbg(dev->net,
"Medium Status is 0x%04x after all initializations\n",
rx_ctl);
return 0;
out:
return ret;
}
static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
{
struct asix_data *data = (struct asix_data *)&dev->data;
int ret, embd_phy;
u16 rx_ctl, phy14h, phy15h, phy16h;
u8 chipcode = 0;
ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
if (ret < 0)
goto out;
embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy |
AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
if (ret < 0) {
netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
goto out;
}
usleep_range(10000, 11000);
ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
if (ret < 0)
goto out;
usleep_range(10000, 11000);
ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
if (ret < 0)
goto out;
msleep(160);
ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
if (ret < 0)
goto out;
ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
if (ret < 0)
goto out;
msleep(200);
if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
MII_PHYSID1))) {
ret = -1;
goto out;
}
ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0,
0, 1, &chipcode, in_pm);
if (ret < 0)
goto out;
if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) {
ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
0, NULL, in_pm);
if (ret < 0) {
netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
ret);
goto out;
}
} else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) {
/* Check if the PHY registers have default settings */
phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
AX88772A_PHY14H);
phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
AX88772A_PHY15H);
phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
AX88772A_PHY16H);
netdev_dbg(dev->net,
"772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
phy14h, phy15h, phy16h);
/* Restore PHY registers default setting if not */
if (phy14h != AX88772A_PHY14H_DEFAULT)
asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
AX88772A_PHY14H,
AX88772A_PHY14H_DEFAULT);
if (phy15h != AX88772A_PHY15H_DEFAULT)
asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
AX88772A_PHY15H,
AX88772A_PHY15H_DEFAULT);
if (phy16h != AX88772A_PHY16H_DEFAULT)
asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
AX88772A_PHY16H,
AX88772A_PHY16H_DEFAULT);
}
ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
if (ret < 0) {
netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
goto out;
}
/* Rewrite MAC address */
memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
data->mac_addr, in_pm);
if (ret < 0)
goto out;
/* Set RX_CTL to default values with 2k buffer, and enable cactus */
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
if (ret < 0)
goto out;
ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
if (ret < 0)
return ret;
/* Set RX_CTL to default values with 2k buffer, and enable cactus */
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
if (ret < 0)
goto out;
rx_ctl = asix_read_rx_ctl(dev, in_pm);
netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
rx_ctl);
rx_ctl = asix_read_medium_status(dev, in_pm);
netdev_dbg(dev->net,
"Medium Status is 0x%04x after all initializations\n",
rx_ctl);
return 0;
out:
return ret;
}
static const struct net_device_ops ax88772_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
.ndo_get_stats64 = usbnet_get_stats64,
.ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = asix_ioctl,
.ndo_set_rx_mode = asix_set_multicast,
};
static void ax88772_suspend(struct usbnet *dev)
{
struct asix_common_private *priv = dev->driver_priv;
u16 medium;
/* Stop MAC operation */
medium = asix_read_medium_status(dev, 1);
medium &= ~AX_MEDIUM_RE;
asix_write_medium_mode(dev, medium, 1);
netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
asix_read_medium_status(dev, 1));
/* Preserve BMCR for restoring */
priv->presvd_phy_bmcr =
asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR);
/* Preserve ANAR for restoring */
priv->presvd_phy_advertise =
asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE);
}
static int asix_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct asix_common_private *priv = dev->driver_priv;
if (priv && priv->suspend)
priv->suspend(dev);
return usbnet_suspend(intf, message);
}
static void ax88772_restore_phy(struct usbnet *dev)
{
struct asix_common_private *priv = dev->driver_priv;
if (priv->presvd_phy_advertise) {
/* Restore Advertisement control reg */
asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE,
priv->presvd_phy_advertise);
/* Restore BMCR */
if (priv->presvd_phy_bmcr & BMCR_ANENABLE)
priv->presvd_phy_bmcr |= BMCR_ANRESTART;
asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
priv->presvd_phy_bmcr);
priv->presvd_phy_advertise = 0;
priv->presvd_phy_bmcr = 0;
}
}
static void ax88772_resume(struct usbnet *dev)
{
int i;
for (i = 0; i < 3; i++)
if (!ax88772_hw_reset(dev, 1))
break;
ax88772_restore_phy(dev);
}
static void ax88772a_resume(struct usbnet *dev)
{
int i;
for (i = 0; i < 3; i++) {
if (!ax88772a_hw_reset(dev, 1))
break;
}
ax88772_restore_phy(dev);
}
static int asix_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct asix_common_private *priv = dev->driver_priv;
if (priv && priv->resume)
priv->resume(dev);
return usbnet_resume(intf);
}
static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret, i;
u8 buf[ETH_ALEN] = {0}, chipcode = 0;
u32 phyid;
struct asix_common_private *priv;
usbnet_get_endpoints(dev,intf);
/* Get the MAC address */
if (dev->driver_info->data & FLAG_EEPROM_MAC) {
for (i = 0; i < (ETH_ALEN >> 1); i++) {
ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
0, 2, buf + i * 2, 0);
if (ret < 0)
break;
}
} else {
ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
0, 0, ETH_ALEN, buf, 0);
}
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
}
asix_set_netdev_dev_addr(dev, buf);
/* Initialize MII structure */
dev->mii.dev = dev->net;
dev->mii.mdio_read = asix_mdio_read;
dev->mii.mdio_write = asix_mdio_write;
dev->mii.phy_id_mask = 0x1f;
dev->mii.reg_num_mask = 0x1f;
dev->mii.phy_id = asix_get_phy_addr(dev);
dev->net->netdev_ops = &ax88772_netdev_ops;
dev->net->ethtool_ops = &ax88772_ethtool_ops;
dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0);
chipcode &= AX_CHIPCODE_MASK;
ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
ax88772a_hw_reset(dev, 0);
if (ret < 0) {
netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
return ret;
}
/* Read PHYID register *AFTER* the PHY was reset properly */
phyid = asix_get_phyid(dev);
netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
if (dev->driver_info->flags & FLAG_FRAMING_AX) {
/* hard_mtu is still the default - the device does not support
jumbo eth frames */
dev->rx_urb_size = 2048;
}
dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
if (!dev->driver_priv)
return -ENOMEM;
priv = dev->driver_priv;
priv->presvd_phy_bmcr = 0;
priv->presvd_phy_advertise = 0;
if (chipcode == AX_AX88772_CHIPCODE) {
priv->resume = ax88772_resume;
priv->suspend = ax88772_suspend;
} else {
priv->resume = ax88772a_resume;
priv->suspend = ax88772_suspend;
}
return 0;
}
static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
{
kfree(dev->driver_priv);
}
static const struct ethtool_ops ax88178_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = asix_get_wol,
.set_wol = asix_set_wol,
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
static int marvell_phy_init(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
u16 reg;
netdev_dbg(dev->net, "marvell_phy_init()\n");
reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
if (data->ledmode) {
reg = asix_mdio_read(dev->net, dev->mii.phy_id,
MII_MARVELL_LED_CTRL);
netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
reg &= 0xf8ff;
reg |= (1 + 0x0100);
asix_mdio_write(dev->net, dev->mii.phy_id,
MII_MARVELL_LED_CTRL, reg);
reg = asix_mdio_read(dev->net, dev->mii.phy_id,
MII_MARVELL_LED_CTRL);
netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
reg &= 0xfc0f;
}
return 0;
}
static int rtl8211cl_phy_init(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
if (data->ledmode == 12) {
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
}
return 0;
}
static int marvell_led_status(struct usbnet *dev, u16 speed)
{
u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
/* Clear out the center LED bits - 0x03F0 */
reg &= 0xfc0f;
switch (speed) {
case SPEED_1000:
reg |= 0x03e0;
break;
case SPEED_100:
reg |= 0x03b0;
break;
default:
reg |= 0x02f0;
}
netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
return 0;
}
static int ax88178_reset(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
int ret;
__le16 eeprom;
u8 status;
int gpio0 = 0;
u32 phyid;
asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
if (eeprom == cpu_to_le16(0xffff)) {
data->phymode = PHY_MODE_MARVELL;
data->ledmode = 0;
gpio0 = 1;
} else {
data->phymode = le16_to_cpu(eeprom) & 0x7F;
data->ledmode = le16_to_cpu(eeprom) >> 8;
gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
}
netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
/* Power up external GigaPHY through AX88178 GPIO pin */
asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
AX_GPIO_GPO1EN, 40, 0);
if ((le16_to_cpu(eeprom) >> 8) != 1) {
asix_write_gpio(dev, 0x003c, 30, 0);
asix_write_gpio(dev, 0x001c, 300, 0);
asix_write_gpio(dev, 0x003c, 30, 0);
} else {
netdev_dbg(dev->net, "gpio phymode == 1 path\n");
asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
}
/* Read PHYID register *AFTER* powering up PHY */
phyid = asix_get_phyid(dev);
netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
asix_sw_reset(dev, 0, 0);
msleep(150);
asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
msleep(150);
asix_write_rx_ctl(dev, 0, 0);
if (data->phymode == PHY_MODE_MARVELL) {
marvell_phy_init(dev);
msleep(60);
} else if (data->phymode == PHY_MODE_RTL8211CL)
rtl8211cl_phy_init(dev);
asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
ADVERTISE_1000FULL);
asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
mii_nway_restart(&dev->mii);
/* Rewrite MAC address */
memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
data->mac_addr, 0);
if (ret < 0)
return ret;
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
if (ret < 0)
return ret;
return 0;
}
static int ax88178_link_reset(struct usbnet *dev)
{
u16 mode;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
struct asix_data *data = (struct asix_data *)&dev->data;
u32 speed;
netdev_dbg(dev->net, "ax88178_link_reset()\n");
mii_check_media(&dev->mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
mode = AX88178_MEDIUM_DEFAULT;
speed = ethtool_cmd_speed(&ecmd);
if (speed == SPEED_1000)
mode |= AX_MEDIUM_GM;
else if (speed == SPEED_100)
mode |= AX_MEDIUM_PS;
else
mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
mode |= AX_MEDIUM_ENCK;
if (ecmd.duplex == DUPLEX_FULL)
mode |= AX_MEDIUM_FD;
else
mode &= ~AX_MEDIUM_FD;
netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
speed, ecmd.duplex, mode);
asix_write_medium_mode(dev, mode, 0);
if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
marvell_led_status(dev, speed);
return 0;
}
static void ax88178_set_mfb(struct usbnet *dev)
{
u16 mfb = AX_RX_CTL_MFB_16384;
u16 rxctl;
u16 medium;
int old_rx_urb_size = dev->rx_urb_size;
if (dev->hard_mtu < 2048) {
dev->rx_urb_size = 2048;
mfb = AX_RX_CTL_MFB_2048;
} else if (dev->hard_mtu < 4096) {
dev->rx_urb_size = 4096;
mfb = AX_RX_CTL_MFB_4096;
} else if (dev->hard_mtu < 8192) {
dev->rx_urb_size = 8192;
mfb = AX_RX_CTL_MFB_8192;
} else if (dev->hard_mtu < 16384) {
dev->rx_urb_size = 16384;
mfb = AX_RX_CTL_MFB_16384;
}
rxctl = asix_read_rx_ctl(dev, 0);
asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
medium = asix_read_medium_status(dev, 0);
if (dev->net->mtu > 1500)
medium |= AX_MEDIUM_JFE;
else
medium &= ~AX_MEDIUM_JFE;
asix_write_medium_mode(dev, medium, 0);
if (dev->rx_urb_size > old_rx_urb_size)
usbnet_unlink_rx_urbs(dev);
}
static int ax88178_change_mtu(struct net_device *net, int new_mtu)
{
struct usbnet *dev = netdev_priv(net);
int ll_mtu = new_mtu + net->hard_header_len + 4;
netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
if (new_mtu <= 0 || ll_mtu > 16384)
return -EINVAL;
if ((ll_mtu % dev->maxpacket) == 0)
return -EDOM;
net->mtu = new_mtu;
dev->hard_mtu = net->mtu + net->hard_header_len;
ax88178_set_mfb(dev);
/* max qlen depend on hard_mtu and rx_urb_size */
usbnet_update_max_qlen(dev);
return 0;
}
static const struct net_device_ops ax88178_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_get_stats64 = usbnet_get_stats64,
.ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = asix_set_multicast,
.ndo_do_ioctl = asix_ioctl,
.ndo_change_mtu = ax88178_change_mtu,
};
static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret;
u8 buf[ETH_ALEN] = {0};
usbnet_get_endpoints(dev,intf);
/* Get the MAC address */
ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
}
asix_set_netdev_dev_addr(dev, buf);
/* Initialize MII structure */
dev->mii.dev = dev->net;
dev->mii.mdio_read = asix_mdio_read;
dev->mii.mdio_write = asix_mdio_write;
dev->mii.phy_id_mask = 0x1f;
dev->mii.reg_num_mask = 0xff;
dev->mii.supports_gmii = 1;
dev->mii.phy_id = asix_get_phy_addr(dev);
dev->net->netdev_ops = &ax88178_netdev_ops;
dev->net->ethtool_ops = &ax88178_ethtool_ops;
/* Blink LEDS so users know driver saw dongle */
asix_sw_reset(dev, 0, 0);
msleep(150);
asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
msleep(150);
/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
if (dev->driver_info->flags & FLAG_FRAMING_AX) {
/* hard_mtu is still the default - the device does not support
jumbo eth frames */
dev->rx_urb_size = 2048;
}
dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
if (!dev->driver_priv)
return -ENOMEM;
return 0;
}
static const struct driver_info ax8817x_info = {
.description = "ASIX AX8817x USB 2.0 Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x00130103,
};
static const struct driver_info dlink_dub_e100_info = {
.description = "DLink DUB-E100 USB Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x009f9d9f,
};
static const struct driver_info netgear_fa120_info = {
.description = "Netgear FA-120 USB Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x00130103,
};
static const struct driver_info hawking_uf200_info = {
.description = "Hawking UF200 USB Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x001f1d1f,
};
static const struct driver_info ax88772_info = {
.description = "ASIX AX88772 USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
static const struct driver_info ax88772b_info = {
.description = "ASIX AX88772B USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
.data = FLAG_EEPROM_MAC,
};
static const struct driver_info ax88178_info = {
.description = "ASIX AX88178 USB 2.0 Ethernet",
.bind = ax88178_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88178_link_reset,
.reset = ax88178_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
/*
* USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
* no-name packaging.
* USB device strings are:
* 1: Manufacturer: USBLINK
* 2: Product: HG20F9 USB2.0
* 3: Serial: 000003
* Appears to be compatible with Asix 88772B.
*/
static const struct driver_info hg20f9_info = {
.description = "HG20F9 USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
.data = FLAG_EEPROM_MAC,
};
static const struct usb_device_id products [] = {
{
// Linksys USB200M
USB_DEVICE (0x077b, 0x2226),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Netgear FA120
USB_DEVICE (0x0846, 0x1040),
.driver_info = (unsigned long) &netgear_fa120_info,
}, {
// DLink DUB-E100
USB_DEVICE (0x2001, 0x1a00),
.driver_info = (unsigned long) &dlink_dub_e100_info,
}, {
// Intellinet, ST Lab USB Ethernet
USB_DEVICE (0x0b95, 0x1720),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Hawking UF200, TrendNet TU2-ET100
USB_DEVICE (0x07b8, 0x420a),
.driver_info = (unsigned long) &hawking_uf200_info,
}, {
// Billionton Systems, USB2AR
USB_DEVICE (0x08dd, 0x90ff),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Billionton Systems, GUSB2AM-1G-B
USB_DEVICE(0x08dd, 0x0114),
.driver_info = (unsigned long) &ax88178_info,
}, {
// ATEN UC210T
USB_DEVICE (0x0557, 0x2009),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Buffalo LUA-U2-KTX
USB_DEVICE (0x0411, 0x003d),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Buffalo LUA-U2-GT 10/100/1000
USB_DEVICE (0x0411, 0x006e),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
USB_DEVICE (0x6189, 0x182d),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
USB_DEVICE (0x0df6, 0x0056),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
USB_DEVICE (0x0df6, 0x061c),
.driver_info = (unsigned long) &ax88178_info,
}, {
// corega FEther USB2-TX
USB_DEVICE (0x07aa, 0x0017),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Surecom EP-1427X-2
USB_DEVICE (0x1189, 0x0893),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// goodway corp usb gwusb2e
USB_DEVICE (0x1631, 0x6200),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// JVC MP-PRX1 Port Replicator
USB_DEVICE (0x04f1, 0x3008),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Lenovo U2L100P 10/100
USB_DEVICE (0x17ef, 0x7203),
.driver_info = (unsigned long)&ax88772b_info,
}, {
// ASIX AX88772B 10/100
USB_DEVICE (0x0b95, 0x772b),
.driver_info = (unsigned long) &ax88772b_info,
}, {
// ASIX AX88772 10/100
USB_DEVICE (0x0b95, 0x7720),
.driver_info = (unsigned long) &ax88772_info,
}, {
// ASIX AX88178 10/100/1000
USB_DEVICE (0x0b95, 0x1780),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Logitec LAN-GTJ/U2A
USB_DEVICE (0x0789, 0x0160),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Linksys USB200M Rev 2
USB_DEVICE (0x13b1, 0x0018),
.driver_info = (unsigned long) &ax88772_info,
}, {
// 0Q0 cable ethernet
USB_DEVICE (0x1557, 0x7720),
.driver_info = (unsigned long) &ax88772_info,
}, {
// DLink DUB-E100 H/W Ver B1
USB_DEVICE (0x07d1, 0x3c05),
.driver_info = (unsigned long) &ax88772_info,
}, {
// DLink DUB-E100 H/W Ver B1 Alternate
USB_DEVICE (0x2001, 0x3c05),
.driver_info = (unsigned long) &ax88772_info,
}, {
// DLink DUB-E100 H/W Ver C1
USB_DEVICE (0x2001, 0x1a02),
.driver_info = (unsigned long) &ax88772_info,
}, {
// Linksys USB1000
USB_DEVICE (0x1737, 0x0039),
.driver_info = (unsigned long) &ax88178_info,
}, {
// IO-DATA ETG-US2
USB_DEVICE (0x04bb, 0x0930),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Belkin F5D5055
USB_DEVICE(0x050d, 0x5055),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Apple USB Ethernet Adapter
USB_DEVICE(0x05ac, 0x1402),
.driver_info = (unsigned long) &ax88772_info,
}, {
// Cables-to-Go USB Ethernet Adapter
USB_DEVICE(0x0b95, 0x772a),
.driver_info = (unsigned long) &ax88772_info,
}, {
// ABOCOM for pci
USB_DEVICE(0x14ea, 0xab11),
.driver_info = (unsigned long) &ax88178_info,
}, {
// ASIX 88772a
USB_DEVICE(0x0db0, 0xa877),
.driver_info = (unsigned long) &ax88772_info,
}, {
// Asus USB Ethernet Adapter
USB_DEVICE (0x0b95, 0x7e2b),
.driver_info = (unsigned long)&ax88772b_info,
}, {
/* ASIX 88172a demo board */
USB_DEVICE(0x0b95, 0x172a),
.driver_info = (unsigned long) &ax88172a_info,
}, {
/*
* USBLINK HG20F9 "USB 2.0 LAN"
* Appears to have gazumped Linksys's manufacturer ID but
* doesn't (yet) conflict with any known Linksys product.
*/
USB_DEVICE(0x066b, 0x20f9),
.driver_info = (unsigned long) &hg20f9_info,
},
{ }, // END
};
MODULE_DEVICE_TABLE(usb, products);
static struct usb_driver asix_driver = {
.name = DRIVER_NAME,
.id_table = products,
.probe = usbnet_probe,
.suspend = asix_suspend,
.resume = asix_resume,
.reset_resume = asix_resume,
.disconnect = usbnet_disconnect,
.supports_autosuspend = 1,
.disable_hub_initiated_lpm = 1,
};
module_usb_driver(asix_driver);
MODULE_AUTHOR("David Hollis");
MODULE_VERSION(DRIVER_VERSION);
MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
MODULE_LICENSE("GPL");