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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Casey Leedom <leedom@chelsio.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Dimitris Michailidis <dm@chelsio.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch enables the ethtool interface. The implementation is done
using the libphy helper functions.
Signed-off-by: David S. Miller <davem@davemloft.net>
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control these three function declarations and
definitions with same macro CONFIG_PCI_IOV
drivers/net/ethernet/intel/igb/igb_main.c:165:
warning: ‘igb_vf_configure’ declared ‘static’ but never defined
drivers/net/ethernet/intel/igb/igb_main.c:166:
warning: ‘igb_find_enabled_vfs’ declared ‘static’ but never defined
drivers/net/ethernet/intel/igb/igb_main.c:167:
warning: ‘igb_check_vf_assignment’ declared ‘static’ but never defined
Signed-off-by: RongQing Li <roy.qing.li@gmail.com>
Acked-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb->truesize must account for allocated memory, not the used part of
it. Doing this work is important to avoid unexpected OOM situations.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Jon Mason <mason@myri.com>
Acked-by: Jon Mason <mason@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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igbvf allocates half a page per skb fragment. We must account
PAGE_SIZE/2 increments on skb->truesize, not the actual frag length.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb->truesize must account for allocated memory, not the used part of
it. Doing this work is important to avoid unexpected OOM situations.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove manual initialization in set_skb_frag, and instead
use __skb_fill_page_desc() to do the same. Patch tested
on net-next.
Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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"ethtool -e ethX" dumps EEPROM data. Patch sets EEPROM length for device.
Ethtool works alot better when the kernel believes the length is > 0.
From: Allan Chou <allan@asix.com.tw>
Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Problem using big mtu around 4096 bytes is you end allocating (4096
+NET_SKB_PAD + NET_IP_ALIGN + sizeof(struct skb_shared_info) bytes ->
8192 bytes : order-1 pages
It's better to limit the mtu to SKB_MAX_HEAD(NET_SKB_PAD),
to have no more than one page per skb.
Also the patch changes the netdev_alloc_skb_ip_align() done in
init_dma_desc_rings() and uses a variant allowing GFP_KERNEL allocations
allowing the driver to load even in case of memory pressure.
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch enhances the STMMAC driver to support CHAINED mode of
descriptor.
STMMAC supports DMA descriptor to operate both in dual buffer(RING)
and linked-list(CHAINED) mode. In RING mode (default) each descriptor
points to two data buffer pointers whereas in CHAINED mode they point
to only one data buffer pointer.
In CHAINED mode each descriptor will have pointer to next descriptor in
the list, hence creating the explicit chaining in the descriptor itself,
whereas such explicit chaining is not possible in RING mode.
First version of this work has been done by Rayagond.
Then the patch has been reworked avoiding ifdef inside the C code.
A new header file has been added to define all the functions needed for
managing enhanced and normal descriptors.
In fact, these have to be specialized according to the ring/chain usage.
Two new C files have been also added to implement the helper routines
needed to manage: jumbo frames, chain and ring setup (i.e. desc3).
Signed-off-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable the MMC support if it is actually available from the
HW capability register.
Signed-off-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch allows to set the mtu bigger than 1500
in case of normal descriptors.
This is helping some SPEAr customers.
Signed-off-by: Deepak SIKRI <deepak.sikri@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a problem raised on Orly ARM SMP platform
where, in case of fragmented frames, the descriptors
in the TX ring resulted broken. This was due to a missing lock
protection in the tx process.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch stops advertising 1000Base capablities if GMAC is either
configured for MII or RMII mode and on board there is a GPHY plugged on.
Without this patch if an GBit switch is connected on MII interface,
Ethernet stops working at all.
Discovered as part of
https://bugzilla.stlinux.com/show_bug.cgi?id=14148 triage
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes a network namespace misfeature that bonding_masters looked at
current instead of the remembering the context where in which
/sys/class/net/bonding_masters was opened in to see which network
namespace to act upon.
This removes the need for sysfs to handle tagged directories with
untagged members allowing for a conceptually simpler sysfs
implementation.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The port shouldn't be enabled unless its current MUX
state is DISTRIBUTING which is correctly handled by
ad_mux_machine(), otherwise the packet sent can be
lost because the other end may not be ready.
The issue happens on every port initialization, but
as the ports are expected to move quickly to DISTRIBUTING,
it doesn't cause much problem. However, it does cause
constant packet loss if the other peer has the port
configured to stay in STANDBY (i.e. SYNC set to OFF).
Signed-off-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct the wrong parameter for setting EEE for RTL8111E-VL.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to commit 92fc43b4159b518f5baae57301f26d770b0834c9 ("r8169: modify the
flow of the hw reset."), rtl8169_hw_reset stomps during driver shutdown on
RxConfig bits which are needed for WOL on some versions of the hardware.
As these bits were formerly set from the r81{0x, 68}_pll_power_down methods,
factor them out for use in the driver shutdown (rtl_shutdown) handler.
I favored __rtl8169_get_wol() -hardware state indication- over
RTL_FEATURE_WOL as the latter has become a good candidate for removal.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes <hayeswang@realtek.com>
Tested-by: Marc Ballarin <ballarin.marc@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Vitesse driver was using the RGMII_ID interface type to determine if
skew was necessary. However, we want to move away from using that
interface type, as it's really a property of the board's PHY connection.
However, some boards depend on it, so we want to support it, while
allowing new boards to use the more flexible "fixups" approach. To do
this, we extract the code which adds skew into its own function, and
call that function when RGMII_ID has been selected.
Another side-effect of this change is that if your PHY has skew set
already, it doesn't clear it. This way, the fixup code can modify the
register without config_init then clearing it.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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e1000e uses paged frags, so any layer incorrectly pulling bytes from skb
can trigger a BUG in skb_pull()
[951.142737] [<ffffffff813d2f36>] skb_pull+0x15/0x17
[951.142737] [<ffffffffa0286824>] pptp_rcv_core+0x126/0x19a [pptp]
[951.152725] [<ffffffff813d17c4>] sk_receive_skb+0x69/0x105
[951.163558] [<ffffffffa0286993>] pptp_rcv+0xc8/0xdc [pptp]
[951.165092] [<ffffffffa02800a3>] gre_rcv+0x62/0x75 [gre]
[951.165092] [<ffffffff81410784>] ip_local_deliver_finish+0x150/0x1c1
[951.177599] [<ffffffff81410634>] ? ip_local_deliver_finish+0x0/0x1c1
[951.177599] [<ffffffff81410846>] NF_HOOK.clone.7+0x51/0x58
[951.177599] [<ffffffff81410996>] ip_local_deliver+0x51/0x55
[951.177599] [<ffffffff814105b9>] ip_rcv_finish+0x31a/0x33e
[951.177599] [<ffffffff8141029f>] ? ip_rcv_finish+0x0/0x33e
[951.204898] [<ffffffff81410846>] NF_HOOK.clone.7+0x51/0x58
[951.214651] [<ffffffff81410bb5>] ip_rcv+0x21b/0x246
pptp_rcv_core() is a nice example of a function assuming everything it
needs is available in skb head.
Reported-by: Bradley Peterson <despite@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver version updated to 1.5.4.2
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moving to Toeplitz function in RSS calculation.
Reporting rxhash in skb.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Not updating common counters from data path.
The checksum counters are per ring, summarizing them when collecting statistics.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Canceling FCS removal where FW allows for better alignment
of incoming data.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prevent overflow when trying to register more Vlans then the Vlan table in
HW is configured to.
Need to take into acount that the first 2 entries are reserved.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added recovery check of CA wake status in case of wake up timeout.
Added check of CA wake status in case of wake down timeout.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added sanity check for length of CAIF frames, and tear down of
CAIF link-layer device upon protocol error.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CAIF HSI uses a timer for inactivity. Upon timeout HSI-wake signaling
is initiated to allow power-down of the HSI block.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Platform device is no longer removed from caif_hsi at shutdown.
The HSI-platform device must do it's own registration and unregistration.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some platforms do not allow to put HSI block into low-power
mode when FIFO is not empty. The patch flushes (by reading)
FIFO at wake down sequence. Asynchronous read and write is
implemented for that. As a side effect this will also greatly
improve performance.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Under stressed conditions a race could happen when del_timer_sync() was called
from softirq context at the same time when mod_timer_pending() for the same
timer was called from the workqueue. This leaded to a state mismatch in the
CAIF HSI driver and following unexpected link wakeup procedure.
The fix puts del_timer_sync() and mod_timer_pending() calls under a spin lock
to protect against the race condition.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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cfhsi->tx_state was not protected by a spin lock. TX soft-irq could interrupt
cfhsi_tx_done_work work leading to inconsistent state of the driver.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CAIF HSI header may be uninitialized and cause last message to
be repeated if transmit size is ~86 bytes long.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To ease skb->truesize sanitization, its better to be able to localize
all references to skb frags size.
Define accessors : skb_frag_size() to fetch frag size, and
skb_frag_size_{set|add|sub}() to manipulate it.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case we cant transmit skb, we must free it
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bond->recv_probe is called in bond_handle_frame() when
a packet is received, but bond_close() sets it to NULL. So,
a panic occurs when both functions work in parallel.
Why this happen:
After null pointer check of bond->recv_probe, an sk_buff is
duplicated and bond->recv_probe is called in bond_handle_frame.
So, a panic occurs when bond_close() is called between the
check and call of bond->recv_probe.
Patch:
This patch uses a local function pointer of bond->recv_probe
in bond_handle_frame(). So, it can avoid the null pointer
dereference.
Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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LAN89218 is register compatible with LAN911x.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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USE_PHYLIB flag in tg3_remove_one() is being checked incorrectly. This
results tg3_phy_fini->phy_disconnect is never called and when tg3 module
is removed.
In my case this resulted in panics in phy_state_machine calling function
phydev->adjust_link.
So correct this check.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Acked-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no check if netconsole is enabled current.
so when exec echo 1 > enabled;
the reference of net_device will increment always.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Acked-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The extra delay of 2ns to adjust RX clock phase is actually needed
in RGMII mode. Tested on the HDK7108 (STx7108c2).
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The cs89x0 driver was initial placed in the apple/ when it
should have been placed in the cirrus/. This resolves the
issue by moving the dirver and fixing up the respective
Kconfig(s) and Makefile(s).
Thanks to Sascha for reporting the issue.
-v2 Fix a config error that was introduced with v1 by removing
the dependency on MACE for NET_VENDOR_APPLE.
CC: Russell Nelson <nelson@crynwr.com>
CC: Andrew Morton <akpm@linux-foundation.org>
Reported-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fragmented multicast frames are delivered to a single macvlan port,
because ip defrag logic considers other samples are redundant.
Implement a defrag step before trying to send the multicast frame.
Reported-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use 32bit value starting at offset 0x2d for displaying the firmware
version in ethtool. This should work for all current ixgbe HW
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The BerliOS project, which currently hosts our mailinglist, will
close with the end of the year. Now take the chance and remove all
occurrences of the mailinglist address from the source files.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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