Commit Graph

265 Commits

Author SHA1 Message Date
Chun-Hao Lin
ee7a1beb97 r8169:call "rtl8168_driver_start" "rtl8168_driver_stop" only when hardware dash function is enabled
These two functions are used to inform dash firmware that driver is been
brought up or brought down. So call these two functions only when hardware dash
function is enabled.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:18 -04:00
Chun-Hao Lin
2a9b4d9670 r8169:modify the behavior of function "rtl8168_oob_notify"
In function "rtl8168_oob_notify", using function "rtl_eri_write" to access
eri register 0xe8, instead of using MAC register "ERIDR" and "ERIAR" to
access it.

For using function "rtl_eri_write" in function "rtl8168_oob_notify", need to
move down "rtl8168_oob_notify" related functions under the function
"rtl_eri_write".

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:18 -04:00
Chun-Hao Lin
2f8c040ce6 r8169:change the name of function "r8168dp_check_dash" to "r8168_check_dash"
DASH function not only RTL8168DP can support, but also RTL8168EP.
So change the name of function "r8168dp_check_dash" to "r8168_check_dash".

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:18 -04:00
Chun-Hao Lin
706123d06c r8169:change the name of function"rtl_w1w0_eri"
Change the name of function "rtl_w1w0_eri" to "rtl_w0w1_eri".

In this function, the local variable "val" is "write zeros then write ones".
Please see below code.

(val & ~m) | p

In this patch, change the function name from "xx_w1w0_xx" to "xx_w0w1_xx".
The changed function name is more suitable for it's behavior.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:18 -04:00
Chun-Hao Lin
7656442824 r8169:for function "rtl_w1w0_phy" change its name and behavior
Change function name from "rtl_w1w0_phy" to "rtl_w0w1_phy".
And its behavior from "write ones then write zeros" to
"write zeros then write ones".

In Realtek internal driver, bitwise operations are almost "write zeros then
write ones". For easy to port hardware parameters from Realtek internal driver
to Linux kernal driver "r8169", we would like to change this function's
behavior and its name.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:17 -04:00
Chun-Hao Lin
ac85bcdbc0 r8169:add more chips to support magic packet v2
For RTL8168F RTL8168FB RTL8168G RTL8168GU RTL8411 RTL8411B RTL8402 RTL8107E,
the magic packet enable bit is changed to eri 0xde bit0.

In this patch, change magic packet enable bit of these chips to eri 0xde bit0.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:17 -04:00
Chun-Hao Lin
89cceb2729 r8169:add support more chips to get mac address from backup mac address register
RTL8168FB RTL8168G RTL8168GU RTL8411 RTL8411B RTL8106EUS RTL8402 can
support get mac address from backup mac address register.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:17 -04:00
Chun-Hao Lin
42fde73710 r8169:add disable/enable RTL8411B pll function
RTL8411B can support disable/enable pll function.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:17 -04:00
Chun-Hao Lin
b8e5e6ad71 r8169:add disable/enable RTL8168G pll function
RTL8168G also can disable/enable pll function.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:17 -04:00
Chun-Hao Lin
05b9687bb3 r8169:change uppercase number to lowercase number
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-01 15:33:17 -04:00
David S. Miller
1f6d80358d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	arch/mips/net/bpf_jit.c
	drivers/net/can/flexcan.c

Both the flexcan and MIPS bpf_jit conflicts were cases of simple
overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-23 12:09:27 -04:00
Dan Carpenter
85911d7110 r8169: fix an if condition
There is an extra semi-colon so __rtl8169_set_features() is called every
time.

Fixes: 929a031dfd ('r8169: adjust __rtl8169_set_features')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Hayes Wang <hayeswang@realtek.com>--
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-22 15:19:17 -04:00
hayeswang
929a031dfd r8169: adjust __rtl8169_set_features
Remove the "changed" test in __rtl8169_set_features(). Instead, do
simple test in rtl8169_set_features().

Set the RxChkSum and RxVlan through __rtl8169_set_features() in
rtl_open().

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-16 15:55:53 -04:00
hayeswang
36d8e82541 r8169: fix setting rx vlan
The setting should depend on the new features not the current one.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-13 16:52:44 -04:00
hayeswang
48c20407f4 r8169: fix the default setting of rx vlan
If the parameter "features" of __rtl8169_set_features() is equal to
dev->features, the variable "changed" is alwayes 0, and nothing would
be changed.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-13 16:52:44 -04:00
Francois Romieu
a3bf5c429e r8169: add missing MODULE_FIRMWARE.
Leftover from 6e1d0b8988 ("r8169:add
support for RTL8168H and RTL8107E").

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-28 15:22:27 -07:00
Chun-Hao Lin
6e1d0b8988 r8169:add support for RTL8168H and RTL8107E
RTL8168H is Realtek PCIe Gigabit Ethernet controller.
RTL8107E is Realtek PCIe Fast Ethernet controller.

This patch add support for these two chips.

Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-22 12:33:47 -07:00
Benoit Taine
9baa3c34ac PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines.  This issue was reported by checkpatch.

A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):

// <smpl>

@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@

- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;

// </smpl>

[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-08-12 12:15:14 -06:00
Varka Bhadram
96b3bff4c9 ethernet: realtek: use pci_device_id
This patch use the struct pci_device_id instead of using macro
DEFINE_PCI_DEVICE_TABLE which is deprecated and should not be used.
And also moves these ids after probe and remove functionalities.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-23 14:56:40 -07:00
Varka Bhadram
5490c27218 ethernet: realtek: use module_pci_driver
This patch converts to use the macro module_pci_driver, which makes
the code smaller and simpler.

Previously in this driver we are having driver version info will be
printed log buffer based on whether the driver selected as module
or statically into image itself. By using the module_pci_driver that
part of the code removed. For the first time of the device init,
we are making the version info to be printed once.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-23 14:56:40 -07:00
David S. Miller
8fd90bb889 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/infiniband/hw/cxgb4/device.c

The cxgb4 conflict was simply overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-22 00:44:59 -07:00
Michel Dänzer
7a9810e7bd r8169: Enable RX_MULTI_EN for RTL_GIGA_MAC_VER_40
The ethernet port on my ASUS A88X Pro mainboard stopped working
several times a day, with messages like these in dmesg:

AMD-Vi: Event logged [IO_PAGE_FAULT device=05:00.0 domain=0x001e address=0x0000000000003000 flags=0x0050]

Searching the web for these messages led me to similar reports about
different hardware supported by r8169, and eventually to commits
3ced8c955e ('r8169: enforce RX_MULTI_EN
for the 8168f.') and eb2dc35d99 ('r8169:
RxConfig hack for the 8168evl'). So I tried this change, and it fixes
the problem for me.

Signed-off-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-16 22:23:55 -07:00
David S. Miller
1a98c69af1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-16 14:09:34 -07:00
hayeswang
e974604b45 r8169: support IPv6
Support the IPv6 hw checksum for RTL8111C and later chips. Note
that the hw has the limitation for the transport offset. The
checksum must be calculated by sw, when the transport offset is
out of the range which the hw accepts.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-11 14:32:54 -07:00
hayeswang
bdfa4ed681 r8169: use Giant Send
Replace large send with giant send for TSO for RTL8111C and later ICs.
The large send setting of the RTL8111DP is different from the other
chips. However, the giant send setting is the same for all the chips
which support it. Use the giant send to synchronize the settings.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-11 14:32:54 -07:00
hayeswang
5888d3fc45 r8169: split rtl8169_tso_csum
According to the txd_version, split rtl8169_tso_csum() into
rtl8169_tso_csum_v1() and rtl8169_tso_csum_v2().

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-11 14:32:54 -07:00
hayeswang
b51ecea852 r8169: disable L23
For RTL8411, RTL8111G, RTL8402, RTL8105, and RTL8106, disable the feature
of entering the L2/L3 link state of the PCIe. When the nic starts the process
of entering the L2/L3 link state and the PCI reset occurs before the work
is finished, the work would be queued and continue after the next the PCI
reset occurs. This causes the device stays in L2/L3 link state, and the system
couldn't find the device.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-09 16:42:08 -07:00
Wilfried Klaebe
7ad24ea4bf net: get rid of SET_ETHTOOL_OPS
net: get rid of SET_ETHTOOL_OPS

Dave Miller mentioned he'd like to see SET_ETHTOOL_OPS gone.
This does that.

Mostly done via coccinelle script:
@@
struct ethtool_ops *ops;
struct net_device *dev;
@@
-       SET_ETHTOOL_OPS(dev, ops);
+       dev->ethtool_ops = ops;

Compile tested only, but I'd seriously wonder if this broke anything.

Suggested-by: Dave Miller <davem@davemloft.net>
Signed-off-by: Wilfried Klaebe <w-lkml@lebenslange-mailadresse.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-13 17:43:20 -04:00
Eric W. Biederman
57a7744e09 net: Replace u64_stats_fetch_begin_bh to u64_stats_fetch_begin_irq
Replace the bh safe variant with the hard irq safe variant.

We need a hard irq safe variant to deal with netpoll transmitting
packets from hard irq context, and we need it in most if not all of
the places using the bh safe variant.

Except on 32bit uni-processor the code is exactly the same so don't
bother with a bh variant, just have a hard irq safe variant that
everyone can use.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-14 22:41:36 -04:00
David S. Miller
85dcce7a73 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/usb/r8152.c
	drivers/net/xen-netback/netback.c

Both the r8152 and netback conflicts were simple overlapping
changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-14 22:31:55 -04:00
Eric W. Biederman
50ff44be40 8139cp: Don't receive packets when the napi budget == 0
Processing any incoming packets with a with a napi budget of 0
is incorrect driver behavior.

This matters as netpoll will shortly call drivers with a budget of 0
to avoid receive packet processing happening in hard irq context.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-13 15:18:45 -04:00
Eric W. Biederman
989c9ba104 r8169: Call dev_kfree_skby_any instead of dev_kfree_skb.
Replace dev_kfree_skb with dev_kfree_skb_any in functions that can
be called in hard irq and other contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-12 16:22:12 -04:00
Eric W. Biederman
a2ccd2e4bd 8139too: Call dev_kfree_skby_any instead of dev_kfree_skb.
Replace dev_kfree_skb with dev_kfree_skb_any in functions that can
be called in hard irq and other contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-12 16:22:12 -04:00
Eric W. Biederman
508f81d517 8139cp: Call dev_kfree_skby_any instead of kfree_skb.
Replace kfree_skb with dev_kfree_skb_any in cp_start_xmit
as it can be called in both hard irq and other contexts.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-12 16:22:12 -04:00
hayeswang
f75761b6b5 r8169: fix the incorrect tx descriptor version
The tx descriptor version of RTL8111B belong to RTL_TD_0.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-12 00:11:43 -04:00
Kyle McMartin
340fea3d7f r8169: initialize rtl8169_stats seqlock
Boris reports he's seeing:
> [    9.195943] INFO: trying to register non-static key.
> [    9.196031] the code is fine but needs lockdep annotation.
> [    9.196031] turning off the locking correctness validator.
> [    9.196031] CPU: 1 PID: 933 Comm: modprobe Not tainted 3.14.0-rc4+ #1
with the r8169 driver.

These are occuring because the seqcount embedded in u64_stats_sync on
32-bit SMP is uninitialized which is making lockdep unhappy.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-24 20:32:23 -05:00
Paul Gortmaker
a81ab36bf5 drivers/net: delete non-required instances of include <linux/init.h>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.   Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

This covers everything under drivers/net except for wireless, which
has been submitted separately.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-16 11:53:26 -08:00
Yang Yingliang
7fe0ee099a net: 8139cp: fix a BUG_ON triggered by wrong bytes_compl
Using iperf to send packets(GSO mode is on), a bug is triggered:

[  212.672781] kernel BUG at lib/dynamic_queue_limits.c:26!
[  212.673396] invalid opcode: 0000 [#1] SMP
[  212.673882] Modules linked in: 8139cp(O) nls_utf8 edd fuse loop dm_mod ipv6 i2c_piix4 8139too i2c_core intel_agp joydev pcspkr hid_generic intel_gtt floppy sr_mod mii button sg cdrom ext3 jbd mbcache usbhid hid uhci_hcd ehci_hcd usbcore sd_mod usb_common crc_t10dif crct10dif_common processor thermal_sys hwmon scsi_dh_emc scsi_dh_rdac scsi_dh_hp_sw scsi_dh ata_generic ata_piix libata scsi_mod [last unloaded: 8139cp]
[  212.676084] CPU: 0 PID: 4124 Comm: iperf Tainted: G           O 3.12.0-0.7-default+ #16
[  212.676084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
[  212.676084] task: ffff8800d83966c0 ti: ffff8800db4c8000 task.ti: ffff8800db4c8000
[  212.676084] RIP: 0010:[<ffffffff8122e23f>]  [<ffffffff8122e23f>] dql_completed+0x17f/0x190
[  212.676084] RSP: 0018:ffff880116e03e30  EFLAGS: 00010083
[  212.676084] RAX: 00000000000005ea RBX: 0000000000000f7c RCX: 0000000000000002
[  212.676084] RDX: ffff880111dd0dc0 RSI: 0000000000000bd4 RDI: ffff8800db6ffcc0
[  212.676084] RBP: ffff880116e03e48 R08: 0000000000000992 R09: 0000000000000000
[  212.676084] R10: ffffffff8181e400 R11: 0000000000000004 R12: 000000000000000f
[  212.676084] R13: ffff8800d94ec840 R14: ffff8800db440c80 R15: 000000000000000e
[  212.676084] FS:  00007f6685a3c700(0000) GS:ffff880116e00000(0000) knlGS:0000000000000000
[  212.676084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  212.676084] CR2: 00007f6685ad6460 CR3: 00000000db714000 CR4: 00000000000006f0
[  212.676084] Stack:
[  212.676084]  ffff8800db6ffc00 000000000000000f ffff8800d94ec840 ffff880116e03eb8
[  212.676084]  ffffffffa041509f ffff880116e03e88 0000000f16e03e88 ffff8800d94ec000
[  212.676084]  00000bd400059858 000000050000000f ffffffff81094c36 ffff880116e03eb8
[  212.676084] Call Trace:
[  212.676084]  <IRQ>
[  212.676084]  [<ffffffffa041509f>] cp_interrupt+0x4ef/0x590 [8139cp]
[  212.676084]  [<ffffffff81094c36>] ? ktime_get+0x56/0xd0
[  212.676084]  [<ffffffff8108cf73>] handle_irq_event_percpu+0x53/0x170
[  212.676084]  [<ffffffff8108d0cc>] handle_irq_event+0x3c/0x60
[  212.676084]  [<ffffffff8108fdb5>] handle_fasteoi_irq+0x55/0xf0
[  212.676084]  [<ffffffff810045df>] handle_irq+0x1f/0x30
[  212.676084]  [<ffffffff81003c8b>] do_IRQ+0x5b/0xe0
[  212.676084]  [<ffffffff8142beaa>] common_interrupt+0x6a/0x6a
[  212.676084]  <EOI>
[  212.676084]  [<ffffffffa0416a21>] ? cp_start_xmit+0x621/0x97c [8139cp]
[  212.676084]  [<ffffffffa0416a09>] ? cp_start_xmit+0x609/0x97c [8139cp]
[  212.676084]  [<ffffffff81378ed9>] dev_hard_start_xmit+0x2c9/0x550
[  212.676084]  [<ffffffff813960a9>] sch_direct_xmit+0x179/0x1d0
[  212.676084]  [<ffffffff813793f3>] dev_queue_xmit+0x293/0x440
[  212.676084]  [<ffffffff813b0e46>] ip_finish_output+0x236/0x450
[  212.676084]  [<ffffffff810e59e7>] ? __alloc_pages_nodemask+0x187/0xb10
[  212.676084]  [<ffffffff813b10e8>] ip_output+0x88/0x90
[  212.676084]  [<ffffffff813afa64>] ip_local_out+0x24/0x30
[  212.676084]  [<ffffffff813aff0d>] ip_queue_xmit+0x14d/0x3e0
[  212.676084]  [<ffffffff813c6fd1>] tcp_transmit_skb+0x501/0x840
[  212.676084]  [<ffffffff813c8323>] tcp_write_xmit+0x1e3/0xb20
[  212.676084]  [<ffffffff81363237>] ? skb_page_frag_refill+0x87/0xd0
[  212.676084]  [<ffffffff813c8c8b>] tcp_push_one+0x2b/0x40
[  212.676084]  [<ffffffff813bb7e6>] tcp_sendmsg+0x926/0xc90
[  212.676084]  [<ffffffff813e1d21>] inet_sendmsg+0x61/0xc0
[  212.676084]  [<ffffffff8135e861>] sock_aio_write+0x101/0x120
[  212.676084]  [<ffffffff81107cf1>] ? vma_adjust+0x2e1/0x5d0
[  212.676084]  [<ffffffff812163e0>] ? timerqueue_add+0x60/0xb0
[  212.676084]  [<ffffffff81130b60>] do_sync_write+0x60/0x90
[  212.676084]  [<ffffffff81130d44>] ? rw_verify_area+0x54/0xf0
[  212.676084]  [<ffffffff81130f66>] vfs_write+0x186/0x190
[  212.676084]  [<ffffffff811317fd>] SyS_write+0x5d/0xa0
[  212.676084]  [<ffffffff814321e2>] system_call_fastpath+0x16/0x1b
[  212.676084] Code: ca 41 89 dc 41 29 cc 45 31 db 29 c2 41 89 c5 89 d0 45 29 c5 f7 d0 c1 e8 1f e9 43 ff ff ff 66 0f 1f 44 00 00 31 c0 e9 7b ff ff ff <0f> 0b eb fe 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 c7 47 40 00
[  212.676084] RIP  [<ffffffff8122e23f>] dql_completed+0x17f/0x190
------------[ cut here ]------------

When a skb has frags, bytes_compl plus skb->len nr_frags times in cp_tx().
It's not the correct value(actually, it should plus skb->len once) and it
will trigger the BUG_ON(bytes_compl > num_queued - dql->num_completed).
So only increase bytes_compl when finish sending all frags. pkts_compl also
has a wrong value, fix it too.

It's introduced by commit 871f0d4c ("8139cp: enable bql").

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-11-29 16:18:23 -05:00
David Chang
1bac107242 r8169: check ALDPS bit and disable it if enabled for the 8168g
Windows driver will enable ALDPS function, but linux driver and firmware
do not have any configuration related to ALDPS function for 8168g.
So restart system to linux and remove the NIC cable, LAN enter ALDPS,
then LAN RX will be disabled.

This issue can be easily reproduced on dual boot windows and linux
system with RTL_GIGA_MAC_VER_40 chip.

Realtek said, ALDPS function can be disabled by configuring to PHY,
switch to page 0x0A43, reg0x10 bit2=0.

Signed-off-by: David Chang <dchang@suse.com>
Acked-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-11-29 16:16:39 -05:00
Linus Torvalds
5e30025a31 Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core locking changes from Ingo Molnar:
 "The biggest changes:

   - add lockdep support for seqcount/seqlocks structures, this
     unearthed both bugs and required extra annotation.

   - move the various kernel locking primitives to the new
     kernel/locking/ directory"

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  block: Use u64_stats_init() to initialize seqcounts
  locking/lockdep: Mark __lockdep_count_forward_deps() as static
  lockdep/proc: Fix lock-time avg computation
  locking/doc: Update references to kernel/mutex.c
  ipv6: Fix possible ipv6 seqlock deadlock
  cpuset: Fix potential deadlock w/ set_mems_allowed
  seqcount: Add lockdep functionality to seqcount/seqlock structures
  net: Explicitly initialize u64_stats_sync structures for lockdep
  locking: Move the percpu-rwsem code to kernel/locking/
  locking: Move the lglocks code to kernel/locking/
  locking: Move the rwsem code to kernel/locking/
  locking: Move the rtmutex code to kernel/locking/
  locking: Move the semaphore core to kernel/locking/
  locking: Move the spinlock code to kernel/locking/
  locking: Move the lockdep code to kernel/locking/
  locking: Move the mutex code to kernel/locking/
  hung_task debugging: Add tracepoint to report the hang
  x86/locking/kconfig: Update paravirt spinlock Kconfig description
  lockstat: Report avg wait and hold times
  lockdep, x86/alternatives: Drop ancient lockdep fixup message
  ...
2013-11-14 16:30:30 +09:00
John Stultz
827da44c61 net: Explicitly initialize u64_stats_sync structures for lockdep
In order to enable lockdep on seqcount/seqlock structures, we
must explicitly initialize any locks.

The u64_stats_sync structure, uses a seqcount, and thus we need
to introduce a u64_stats_init() function and use it to initialize
the structure.

This unfortunately adds a lot of fairly trivial initialization code
to a number of drivers. But the benefit of ensuring correctness makes
this worth while.

Because these changes are required for lockdep to be enabled, and the
changes are quite trivial, I've not yet split this patch out into 30-some
separate patches, as I figured it would be better to get the various
maintainers thoughts on how to best merge this change along with
the seqcount lockdep enablement.

Feedback would be appreciated!

Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: James Morris <jmorris@namei.org>
Cc: Jesse Gross <jesse@nicira.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Mirko Lindner <mlindner@marvell.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Roger Luethi <rl@hellgate.ch>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Simon Horman <horms@verge.net.au>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Wensong Zhang <wensong@linux-vs.org>
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/1381186321-4906-2-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-11-06 12:40:25 +01:00
Jingoo Han
0f423ffe94 net: r8169: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-22 02:11:52 -04:00
Jingoo Han
64caa38751 net: 8139too: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-22 02:11:52 -04:00
Jingoo Han
ca30ab2cef net: 8139cp: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-22 02:11:52 -04:00
françois romieu
3ced8c955e r8169: enforce RX_MULTI_EN for the 8168f.
Same narrative as eb2dc35d99 ("r8169: RxConfig
hack for the 8168evl.") regarding AMD IOMMU errors.

RTL_GIGA_MAC_VER_36 - 8168f as well - has not been reported to behave the
same.

Tested-by: David R <david@unsolicited.net>
Tested-by: Frédéric Leroy <fredo@starox.org>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-12 02:38:43 -04:00
David S. Miller
b05930f5d1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/wireless/iwlwifi/pcie/trans.c
	include/linux/inetdevice.h

The inetdevice.h conflict involves moving the IPV4_DEVCONF values
into a UAPI header, overlapping additions of some new entries.

The iwlwifi conflict is a context overlap.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-26 16:37:08 -04:00
Peter Wu
15edae91cb r8169: fix invalid register dump
For some reason, my PCIe RTL8111E onboard NIC on a GA-Z68X-UD3H-B3
motherboard reads as FFs when reading from MMIO with a block size
larger than 7. Therefore change to reading blocks of four bytes.

Ben Hutchings noted that the buffer is large enough to hold all
registers, so now all registers are read.

Signed-off-by: Peter Wu <lekensteyn@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-22 14:25:58 -07:00
Peter Wu
8f9d513803 r8169: remember WOL preferences on driver load
Do not clear Broadcast/Multicast/Unicast Wake Flag or LanWake in
Config5. This is necessary to preserve WOL state when the driver is
loaded. Although the r8168 vendor driver does not write Config5 (it has
been commented out), Hayes Wang from Realtek said that masking bits like
this is more sensible.

Signed-off-by: Peter Wu <lekensteyn@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-20 16:48:32 -07:00
Peter Wu
e7fb06a1b4 r8169,sis190: remove unnecessary length check
The ethtool core will lower the requested length to the one returned by
get_regs_len, therefore no additional check is needed in the get_regs
function.

Reported-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Peter Wu <lekensteyn@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-20 14:57:42 -07:00
Dave Jones
d06f518746 8139cp: Fix skb leak in rx_status_loop failure path.
Introduced in cf3c4c0306
("8139cp: Add dma_mapping_error checking")

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-09 11:17:03 -07:00
Lekensteyn
9bb8eeb554 r8169: remove "PHY reset until link up" log spam
This message was added in commit a7154cb8 (June 2004, [PATCH] r8169:
link handling and phy reset rework) and is printed every ten seconds
when no cable is connected and runtime power management is disabled.
(Before that commit, "Reset RTL8169s PHY" would be printed instead.)

Signed-off-by: Peter Wu <lekensteyn@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-02 14:55:09 -07:00
Neil Horman
cf3c4c0306 8139cp: Add dma_mapping_error checking
Self explanitory dma_mapping_error addition to the 8139 driver, based on this:
https://bugzilla.redhat.com/show_bug.cgi?id=947250

It showed several backtraces arising for dma_map_* usage without checking the
return code on the mapping.  Add the check and abort the rx/tx operation if its
failed.  Untested as I have no hardware and the reporter has wandered off, but
seems pretty straightforward.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-31 17:01:43 -07:00
Lekensteyn
4ea72445bd r8169: fix lockdep warning when removing interface
The work queue is initialised in rtl_open (when the interface goes up),
but canceled in rtl_remove_one (when the PCI device gets removed). If
the network interface is not brought up, then the work queue struct is
not initialised. When the device is removed, the attempt to cancel the
uninitialised work queue causes a lockdep warning.

This patch fixes the issue by moving cancel_work_sync to rtl_close (to
match rtl_open). (Note that rtl_close is also called via
unregister_netdev in rtl_remove_one.)

Signed-off-by: Peter Wu <lekensteyn@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-24 15:42:59 -07:00
hayeswang
45dd95c443 r8169: add a new chip for RTL8411
Add a new chip for RTL8411 series.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-10 17:43:12 -07:00
Yijing Wang
1ca01512a2 net/trivial: replace numeric with standard PM state macros
Use standard PM state macros PCI_Dx instead of numeric 0/1/2..

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-28 22:11:48 -07:00
Ben Hutchings
a1606c7dc6 net: Move MII out from under NET_CORE and hide it
All drivers that select MII also need to select NET_CORE because MII
depends on it.  This is a bit ridiculous because NET_CORE is just a
menu option that doesn't enable any code by itself.

There is also no need for it to be a visible option, since its users
all select it.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-19 22:22:56 -07:00
stephen hemminger
98962baad7 8139cp: reset BQL when ring tx ring cleared
This patch cures transmit timeout's with DHCP observed
while running under KVM. When the transmit ring is cleaned out,
the Byte Queue Limit values need to be reset.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-20 14:02:35 -07:00
françois romieu
b423e9ae49 r8169: fix offloaded tx checksum for small packets.
8168evl offloaded checksums are wrong since commit
e5195c1f31 ("r8169: fix 8168evl frame padding.")
pads small packets to 60 bytes (without ethernet checksum). Typical symptoms
appear as UDP checksums which are wrong by the count of added bytes.

It isn't worth compensating. Let the driver checksum.

Due to the skb length changes, TSO code is moved before the Tx descriptor gets
written.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Holger Hoffstätte <holger.hoffstaette@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-20 00:01:07 -07:00
David S. Miller
58717686cf Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
	drivers/net/ethernet/emulex/benet/be.h
	include/net/tcp.h
	net/mac802154/mac802154.h

Most conflicts were minor overlapping stuff.

The be2net driver brought in some fixes that added __vlan_put_tag
calls, which in net-next take an additional argument.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-30 03:55:20 -04:00
Stefan Bader
e5195c1f31 r8169: fix 8168evl frame padding.
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: hayeswang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 14:10:29 -04:00
Patrick McHardy
86a9bad3ab net: vlan: add protocol argument to packet tagging functions
Add a protocol argument to the VLAN packet tagging functions. In case of HW
tagging, we need that protocol available in the ndo_start_xmit functions,
so it is stored in a new field in the skb. The new field fits into a hole
(on 64 bit) and doesn't increase the sks's size.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19 14:46:06 -04:00
Patrick McHardy
f646968f8f net: vlan: rename NETIF_F_HW_VLAN_* feature flags to NETIF_F_HW_VLAN_CTAG_*
Rename the hardware VLAN acceleration features to include "CTAG" to indicate
that they only support CTAGs. Follow up patches will introduce 802.1ad
server provider tagging (STAGs) and require the distinction for hardware not
supporting acclerating both.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19 14:45:26 -04:00
David S. Miller
d978a6361a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/nfc/microread/mei.c
	net/netfilter/nfnetlink_queue_core.c

Pull in 'net' to get Eric Biederman's AF_UNIX fix, upon which
some cleanups are going to go on-top.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 18:37:01 -04:00
hayeswang
58152cd46f r8169: add a new chip for RTL8106E
Add a new chip for RTL8106E series.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:13 -04:00
hayeswang
1a9646497b r8169: adjust the flow of hw_start
The suggestion as following:
- initial settings or default settings
- rtl_hw_start_xxx. rtl_hw_start_xxx may change some default settings.
- enable tx/rx. This has to be after the above two steps.
- rtl_set_rx_mode. AcceptXXXs have to be enabled after enabling tx/rx.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:13 -04:00
hayeswang
57538c4a89 r8169: add a new chip for RTL8111G
Add a new chip for RTL8111G series.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:13 -04:00
hayeswang
beb330a441 r8169: Update the RTL8111G parameters
- replace rtl8168g-1.fw with rtl8168g-2.fw which support new method.
- fix PHY power down is useless.
- disable rx early which causes the rx abnormal.
- enable auto fifo.
- set 10M IFG to default value.
- fix the conflict between jumbo frame and flow control.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:13 -04:00
hayeswang
eee3786f7d r8169: Modify the method for setting firmware
Remove useless action PHY_READ_EFUSE, PHY_READ_MAC_BYTE, PHY_WRITE_MAC_BYTE,
PHY_WRITE_ERI_WORD. And define the new action PHY_MDIO_CHG.

PHY_MDIO_CHG is used to modify the mdio operation. By the way, the
firmware could support setting mac ocp.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:13 -04:00
hayeswang
fe7524c097 r8169: Update PHY settings of RTL8111G
Add the new settings and correct the wrong settings.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:13 -04:00
hayeswang
41f44d1389 r8169: Modify the mothod for PHY settings of RTL8111G
Replace the current settings with rtl_writephy and rtl_readphy.
For the hardware, the settings are same with previous ones. This
make the setting method like the previous chips.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:13 -04:00
hayeswang
0427d0152e r8169: Remove firmware code
Some codes are belong to binary codes and should be removed.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:44:12 -04:00
hayeswang
e2409d8343 r8169: fix auto speed down issue
It would cause no link after suspending or shutdowning when the
nic changes the speed to 10M and connects to a link partner which
forces the speed to 100M.

Check the link partner ability to determine which speed to set.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-04 17:46:02 -04:00
Joe Perches
720a43efd3 drivers:net: Remove unnecessary OOM messages after netdev_alloc_skb
Emitting netdev_alloc_skb and netdev_alloc_skb_ip_align OOM
messages is unnecessary as there is already a dump_stack
after allocation failures.

Other trivial changes around these removals:

Convert a few comparisons of pointer to 0 to !pointer.
Change flow to remove unnecessary label.
Remove now unused variable.
Hoist assignment from if.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-09 16:09:19 -05:00
françois romieu
faf1e7857a r8169: honor jumbo settings when chipset is requested to start.
Some hardware start settings implicitely assume an usual 1500 bytes mtu
that can't be guaranteed because changes of mtu may be requested both
before and after the hardware is started.

Reported-by: Tomi Orava <tomimo@ncircle.nullnet.fi>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-28 15:37:29 -05:00
Linus Torvalds
06991c28f3 Driver core patches for 3.9-rc1
Here is the big driver core merge for 3.9-rc1
 
 There are two major series here, both of which touch lots of drivers all
 over the kernel, and will cause you some merge conflicts:
   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.
   - remove CONFIG_EXPERIMENTAL
 
 If you need me to provide a merged tree to handle these resolutions,
 please let me know.
 
 Other than those patches, there's not much here, some minor fixes and
 updates.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg Kroah-Hartman:
 "Here is the big driver core merge for 3.9-rc1

  There are two major series here, both of which touch lots of drivers
  all over the kernel, and will cause you some merge conflicts:

   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.

   - remove CONFIG_EXPERIMENTAL

  Other than those patches, there's not much here, some minor fixes and
  updates"

Fix up trivial conflicts

* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
  base: memory: fix soft/hard_offline_page permissions
  drivercore: Fix ordering between deferred_probe and exiting initcalls
  backlight: fix class_find_device() arguments
  TTY: mark tty_get_device call with the proper const values
  driver-core: constify data for class_find_device()
  firmware: Ignore abort check when no user-helper is used
  firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
  firmware: Make user-mode helper optional
  firmware: Refactoring for splitting user-mode helper code
  Driver core: treat unregistered bus_types as having no devices
  watchdog: Convert to devm_ioremap_resource()
  thermal: Convert to devm_ioremap_resource()
  spi: Convert to devm_ioremap_resource()
  power: Convert to devm_ioremap_resource()
  mtd: Convert to devm_ioremap_resource()
  mmc: Convert to devm_ioremap_resource()
  mfd: Convert to devm_ioremap_resource()
  media: Convert to devm_ioremap_resource()
  iommu: Convert to devm_ioremap_resource()
  drm: Convert to devm_ioremap_resource()
  ...
2013-02-21 12:05:51 -08:00
David S. Miller
9f6d98c298 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

The bnx2x gso_type setting bug fix in 'net' conflicted with
changes in 'net-next' that broke the gso_* setting logic
out into a seperate function, which also fixes the bug in
question.  Thus, use the 'net-next' version.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-12 18:58:28 -05:00
Francois Romieu
4521e1a942 Revert "r8169: enable internal ASPM and clock request settings".
This reverts commit d64ec84151.

Jörg Otte reported his 8168evl to increase boot time link detection
from 1.6 to 10 s.

Hayes suggests reverting it for the time being.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Cc: Jörg Otte <jrg.otte@gmail.com>
2013-02-09 00:04:08 +01:00
Francois Romieu
eef63cc1c6 Revert "r8169: enable ALDPS for power saving".
This reverts commit e0c0755779.

Jörg Otte reported his 8168evl to fail boot time link detection.

Hayes suggests reverting it for the time being.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Cc: Jörg Otte <jrg.otte@gmail.com>
2013-02-08 23:43:20 +01:00
David S. Miller
f1e7b73acc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Bring in the 'net' tree so that we can get some ipv4/ipv6 bug
fixes that some net-next work will build upon.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-29 15:32:13 -05:00
françois romieu
ce11ff5e59 r8169: fix vlan tag read ordering.
Control of receive descriptor must not be returned to ethernet chipset
before vlan tag processing is done.

VLAN tag receive word is now reset both in normal and error path.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Spotted-by: Timo Teras <timo.teras@iki.fi>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-27 19:28:58 -05:00
Timo Teräs
5d0feaff23 r8169: remove the obsolete and incorrect AMD workaround
This was introduced in commit 6dccd16 "r8169: merge with version
6.001.00 of Realtek's r8169 driver". I did not find the version
6.001.00 online, but in 6.002.00 or any later r8169 from Realtek
this hunk is no longer present.

Also commit 05af214 "r8169: fix Ethernet Hangup for RTL8110SC
rev d" claims to have fixed this issue otherwise.

The magic compare mask of 0xfffe000 is dubious as it masks
parts of the Reserved part, and parts of the VLAN tag. But this
does not make much sense as the VLAN tag parts are perfectly
valid there. In matter of fact this seems to be triggered with
any VLAN tagged packet as RxVlanTag bit is matched. I would
suspect 0xfffe0000 was intended to test reserved part only.

Finally, this hunk is evil as it can cause more packets to be
handled than what was NAPI quota causing net/core/dev.c:
net_rx_action(): WARN_ON_ONCE(work > weight) to trigger, and
mess up the NAPI state causing device to hang.

As result, any system using VLANs and having high receive
traffic (so that NAPI poll budget limits rtl_rx) would result
in device hang.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-23 13:51:47 -05:00
Timo Teräs
9fba0812c1 r8169: remove unneeded dirty_rx index
After commit 6f0333b ("r8169: use 50% less ram for RX ring") the rx
ring buffers are always copied making dirty_rx useless.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-16 18:02:09 -05:00
Kees Cook
5af9857d78 drivers/net/ethernet/realtek: remove depends on CONFIG_EXPERIMENTAL
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: "David S. Miller" <davem@davemloft.net>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: David S. Miller <davem@davemloft.net>
2013-01-11 11:38:40 -08:00
Jiri Pirko
aaeb6cdfa5 remove init of dev->perm_addr in drivers
perm_addr is initialized correctly in register_netdevice() so to init it in
drivers is no longer needed.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-08 18:00:48 -08:00
John Greene
83c34fd00d 8139cp: Prevent dev_close/cp_interrupt race on MTU change
commit:  cb64edb6b8 upstream

Above commit may introduce a race between cp_interrupt and dev_close
/ change MTU / dev_open up state. Changes cp_interrupt to tolerate
this.  Change spin_locking in cp_interrupt to avoid possible
but unobserved race.

Reported-by: "Francois Romieu" <romieu@fr.zoreil.com>

Tested on virtual hardware, Tx MTU size up to 4096, max tx payload
    was ping -s 4068 for MTU of 4096. No real hardware, need test
    assist.

Signed-off-by: "John Greene" <jogreene@redhat.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: "David Woodhouse" <David.Woodhouse@intel.com>
Tested-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-19 14:30:59 -08:00
Linus Torvalds
6be35c700f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking changes from David Miller:

1) Allow to dump, monitor, and change the bridge multicast database
   using netlink.  From Cong Wang.

2) RFC 5961 TCP blind data injection attack mitigation, from Eric
   Dumazet.

3) Networking user namespace support from Eric W. Biederman.

4) tuntap/virtio-net multiqueue support by Jason Wang.

5) Support for checksum offload of encapsulated packets (basically,
   tunneled traffic can still be checksummed by HW).  From Joseph
   Gasparakis.

6) Allow BPF filter access to VLAN tags, from Eric Dumazet and
   Daniel Borkmann.

7) Bridge port parameters over netlink and BPDU blocking support
   from Stephen Hemminger.

8) Improve data access patterns during inet socket demux by rearranging
   socket layout, from Eric Dumazet.

9) TIPC protocol updates and cleanups from Ying Xue, Paul Gortmaker, and
   Jon Maloy.

10) Update TCP socket hash sizing to be more in line with current day
    realities.  The existing heurstics were choosen a decade ago.
    From Eric Dumazet.

11) Fix races, queue bloat, and excessive wakeups in ATM and
    associated drivers, from Krzysztof Mazur and David Woodhouse.

12) Support DOVE (Distributed Overlay Virtual Ethernet) extensions
    in VXLAN driver, from David Stevens.

13) Add "oops_only" mode to netconsole, from Amerigo Wang.

14) Support set and query of VEB/VEPA bridge mode via PF_BRIDGE, also
    allow DCB netlink to work on namespaces other than the initial
    namespace.  From John Fastabend.

15) Support PTP in the Tigon3 driver, from Matt Carlson.

16) tun/vhost zero copy fixes and improvements, plus turn it on
    by default, from Michael S. Tsirkin.

17) Support per-association statistics in SCTP, from Michele
    Baldessari.

And many, many, driver updates, cleanups, and improvements.  Too
numerous to mention individually.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1722 commits)
  net/mlx4_en: Add support for destination MAC in steering rules
  net/mlx4_en: Use generic etherdevice.h functions.
  net: ethtool: Add destination MAC address to flow steering API
  bridge: add support of adding and deleting mdb entries
  bridge: notify mdb changes via netlink
  ndisc: Unexport ndisc_{build,send}_skb().
  uapi: add missing netconf.h to export list
  pkt_sched: avoid requeues if possible
  solos-pci: fix double-free of TX skb in DMA mode
  bnx2: Fix accidental reversions.
  bna: Driver Version Updated to 3.1.2.1
  bna: Firmware update
  bna: Add RX State
  bna: Rx Page Based Allocation
  bna: TX Intr Coalescing Fix
  bna: Tx and Rx Optimizations
  bna: Code Cleanup and Enhancements
  ath9k: check pdata variable before dereferencing it
  ath5k: RX timestamp is reported at end of frame
  ath9k_htc: RX timestamp is reported at end of frame
  ...
2012-12-12 18:07:07 -08:00
françois romieu
9ecb9aabaf r8169: workaround for missing extended GigaMAC registers
GigaMAC registers have been reported left unitialized in several
situations:
- after cold boot from power-off state
- after S3 resume

Tweaking rtl_hw_phy_config takes care of both.

This patch removes an excess entry (",") at the end of the exgmac_reg
array as well.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-08 20:27:33 -05:00
David S. Miller
682d7978ae Networking: Remove __dev* markings from the networking drivers
This is a series of patches that remove the dev* attributes for all
 networking drivers, with the exception of wireless drivers, those are in
 a different branch.
 
 Use of __devinit, __devexit_p, __devinitdata, __devinitconst, and
 __devexit are no longer needed since CONFIG_HOTPLUG is being removed as
 an option.
 
 Note, there are some devinit compiler section mismatch warnings due to
 this series, but they are fixed up when merged with my driver-next
 branch, which fixes the PCI device id warnings, and removes the modpost
 detection, as it's no longer needed.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'dev_removal' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/net-next

Networking:  Remove __dev* markings from the networking drivers

This is a series of patches that remove the dev* attributes for all
networking drivers, with the exception of wireless drivers, those are in
a different branch.

Use of __devinit, __devexit_p, __devinitdata, __devinitconst, and
__devexit are no longer needed since CONFIG_HOTPLUG is being removed as
an option.

Note, there are some devinit compiler section mismatch warnings due to
this series, but they are fixed up when merged with my driver-next
branch, which fixes the PCI device id warnings, and removes the modpost
detection, as it's no longer needed.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-03 15:35:28 -05:00
Bill Pemberton
b4e54a9442 8139too: remove __dev* attributes
CONFIG_HOTPLUG is going away as an option.  As result the __dev*
markings will be going away.

Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-12-03 11:16:45 -08:00
Bill Pemberton
baf6329353 r8169: remove __dev* attributes
CONFIG_HOTPLUG is going away as an option.  As result the __dev*
markings will be going away.

Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Realtek linux nic maintainers <nic_swsd@realtek.com>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-12-03 11:16:45 -08:00
John Greene
cb64edb6b8 8139cp: properly support change of MTU values [v2]
The 8139cp driver has a change_mtu function that has not been
enabled since the dawn of the git repository. However, the
generic eth_change_mtu is not used in its place, so that
invalid MTU values can be set on the interface.

Original patch salvages the broken code for the single case of
setting the MTU while the interface is down, which is safe
and also includes the range check.  Now enhanced to support up
or down interface.

v2: fix case where rxbufsz isn't changed in the up state case

Original patch from
http://lkml.indiana.edu/hypermail/linux/kernel/1202.2/00770.html

Testing: has been test on virtual 8139cp setup without issue,
have no access real hardware 8139cp, need testing help.

Signed-off-by: "John Greene" <jogreene@redhat.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-03 13:51:16 -05:00
françois romieu
892a925e42 8139cp: fix coherent mapping leak in error path.
cp_open
[...]
        rc = cp_alloc_rings(cp);
        if (rc)
                return rc;

cp_alloc_rings
[...]
        mem = dma_alloc_coherent(&cp->pdev->dev, CP_RING_BYTES,
                                 &cp->ring_dma, GFP_KERNEL);

- cp_alloc_rings never frees the coherent mapping it allocates
- neither do cp_open when cp_alloc_rings fails

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-01 20:39:17 -05:00
David Woodhouse
01ffc0a7f1 8139cp: re-enable interrupts after tx timeout
Recovery doesn't work too well if we leave interrupts disabled...

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-25 15:56:31 -05:00
David Woodhouse
871f0d4c15 8139cp: enable bql
This adds support for byte queue limits on RTL8139C+

Tested on real hardware.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-By: Dave Täht <dave.taht@bufferbloat.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-25 15:54:23 -05:00
David Woodhouse
a9dbe40fc1 8139cp: set ring address after enabling C+ mode
This fixes (for me) a regression introduced by commit b01af457 ("8139cp:
set ring address before enabling receiver"). That commit configured the
descriptor ring addresses earlier in the initialisation sequence, in
order to avoid the possibility of triggering stray DMA before the
correct address had been set up.

Unfortunately, it seems that the hardware will scribble garbage into the
TxRingAddr registers when we enable "plus mode" Tx in the CpCmd
register. Observed on a Traverse Geos router board.

To deal with this, while not reintroducing the problem which led to the
original commit, we augment cp_start_hw() to write to the CpCmd register
*first*, then set the descriptor ring addresses, and then finally to
enable Rx and Tx in the original 8139 Cmd register. The datasheet
actually indicates that we should enable Tx/Rx in the Cmd register
*before* configuring the descriptor addresses, but that would appear to
re-introduce the problem that the offending commit b01af457 was trying
to solve. And this variant appears to work fine on real hardware.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: stable@kernel.org [3.5+]
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-25 15:53:31 -05:00
David S. Miller
071e3ef4a9 Revert "8139cp: revert "set ring address before enabling receiver""
This reverts commit b26623dab7.

This reverts the revert, in net-next we'll try another scheme
to fix this bug using patches from David Woodhouse.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-25 15:52:09 -05:00
David S. Miller
24bc518a68 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/wireless/iwlwifi/pcie/tx.c

Minor iwlwifi conflict in TX queue disabling between 'net', which
removed a bogus warning, and 'net-next' which added some status
register poking code.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-25 12:49:17 -05:00
françois romieu
b26623dab7 8139cp: revert "set ring address before enabling receiver"
This patch reverts b01af4579e.

The original patch was tested with emulated hardware. Real
hardware chokes.

Fixes https://bugzilla.kernel.org/show_bug.cgi?id=47041

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-23 13:59:43 -05:00
Kirill Smelkov
810f4893e9 r8169: Drop tp arg from rtl8169_tx_vlan_tag()
Since eab6d18d (vlan: Don't check for vlan group before
vlan_tx_tag_present.) we don't check tp->vlgrp and thus
tp is not needed in this function.

Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2012-11-11 23:32:58 +01:00
Dayanidhi Sreenivasan
ac50974b37 r8169: remove unused macros.
Signed-off-by: Dayanidhi Sreenivasan <dayanidhi.sreenivasan@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2012-11-11 23:19:08 +01:00