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Author SHA1 Message Date
Ingo Molnar
41cb08555c treewide, timers: Rename from_timer() to timer_container_of() 
Move this API to the canonical timer_*() namespace.

[ tglx: Redone against pre rc1 ]

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/aB2X0jCKQO56WdMt@gmail.com
 2025-06-08 09:07:37 +02:00
Thomas Gleixner
8fa7292fee treewide: Switch/rename to timer_delete[_sync]() 
timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree
over and remove the historical wrapper inlines.

Conversion was done with coccinelle plus manual fixups where necessary.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2025-04-05 10:30:12 +02:00
Thomas Gleixner
a601378552 treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE 
Based on the normalized pattern:

    this program is free software you can redistribute it and/or modify it
    under the terms of the gnu general public license version 2 as
    published by the free software foundation  you should have received a
    copy of the gnu general public license along with this program if not
    see <http://www gnu org/licenses/>  this software is provided as is
    and without any express or implied warranties including without
    limitation the implied warranties of merchantability and fitness for a
    particular purpose

extracted by the scancode license scanner the SPDX license identifier

    GPL-2.0-only

has been chosen to replace the boilerplate/reference.

Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2022-06-10 14:51:36 +02:00
Jean Sacren
6167597d44 net: cxgb: fix a typo in kernel doc 
Fix a trivial typo of 'pakcet' in cxgb kernel doc.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2021-11-30 12:18:08 +00:00
Sebastian Andrzej Siewior
82154580a7 chelsio: cxgb: Disable the card on error in threaded interrupt 
t1_fatal_err() is invoked from the interrupt handler. The bad part is
that it invokes (via t1_sge_stop()) del_timer_sync() and tasklet_kill().
Both functions must not be called from an interrupt because it is
possible that it will wait for the completion of the timer/tasklet it
just interrupted.

In case of a fatal error, use t1_interrupts_disable() to disable all
interrupt sources and then wake the interrupt thread with
F_PL_INTR_SGE_ERR as pending flag. The threaded-interrupt will stop the
card via t1_sge_stop() and not re-enable the interrupts again.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2021-02-03 17:41:01 -08:00
Sebastian Andrzej Siewior
fec7fa0a75 chelsio: cxgb: Replace the workqueue with threaded interrupt 
The external interrupt (F_PL_INTR_EXT) needs to be handled in a process
context and this is accomplished by utilizing a workqueue.

The process context can also be provided by a threaded interrupt instead
of a workqueue. The threaded interrupt can be used later for other
interrupt related processing which require non-atomic context without
using yet another workqueue. free_irq() also ensures that the thread is
done which is currently missing (the worker could continue after the
module has been removed).

Save pending flags in pending_thread_intr. Use the same mechanism
to disable F_PL_INTR_EXT as interrupt source like it is used before the
worker is scheduled. Enable the interrupt again once
t1_elmer0_ext_intr_handler() is done.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2021-02-03 17:41:01 -08:00
Allen Pais
6660de07aa chelsio: convert tasklets to use new tasklet_setup() API 
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <apais@linux.microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2020-09-14 13:02:37 -07:00
Christophe JAILLET
9ab9017948 chelsio: switch from 'pci_' to 'dma_' API 
The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below and has been
hand modified to replace GFP_ with a correct flag.
It has been compile tested.

When memory is allocated in 'free_rx_resources()' and
'alloc_tx_resources()' (sge.c) GFP_KERNEL can be used because it is
already used in these functions.

Moreover, they can only be called from a .ndo_open	function. So it is
guarded by the 'rtnl_lock()', which is a mutex.

While at it, a pr_err message in 'init_one()' has been updated accordingly
(s/consistent/coherent).

@@
@@
-    PCI_DMA_BIDIRECTIONAL
+    DMA_BIDIRECTIONAL

@@
@@
-    PCI_DMA_TODEVICE
+    DMA_TO_DEVICE

@@
@@
-    PCI_DMA_FROMDEVICE
+    DMA_FROM_DEVICE

@@
@@
-    PCI_DMA_NONE
+    DMA_NONE

@@
expression e1, e2, e3;
@@
-    pci_alloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3;
@@
-    pci_zalloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3, e4;
@@
-    pci_free_consistent(e1, e2, e3, e4)
+    dma_free_coherent(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_single(e1, e2, e3, e4)
+    dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_single(e1, e2, e3, e4)
+    dma_unmap_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4, e5;
@@
-    pci_map_page(e1, e2, e3, e4, e5)
+    dma_map_page(&e1->dev, e2, e3, e4, e5)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_page(e1, e2, e3, e4)
+    dma_unmap_page(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_sg(e1, e2, e3, e4)
+    dma_map_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_sg(e1, e2, e3, e4)
+    dma_unmap_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+    dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_device(e1, e2, e3, e4)
+    dma_sync_single_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+    dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+    dma_sync_sg_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2;
@@
-    pci_dma_mapping_error(e1, e2)
+    dma_mapping_error(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_dma_mask(e1, e2)
+    dma_set_mask(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_consistent_dma_mask(e1, e2)
+    dma_set_coherent_mask(&e1->dev, e2)

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2020-08-24 17:52:07 -07:00
Colin Ian King
7831216b00 chelsio: clean up indentation issue 
The assignment to size is indented too far, fix this and join
two lines into one.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2019-02-02 20:14:38 -08:00
Kees Cook
cacd2b3fb9 chelsio: Convert timers to use timer_setup() 
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-10-18 12:39:38 +01:00
Allen Pais
66f0689030 drivers: net: cxgb: use setup_timer() helper. 
Use setup_timer function instead of initializing timer with the
    function and data fields.

Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-09-21 11:44:44 -07:00
Johannes Berg
d58ff35122 networking: make skb_push & __skb_push return void pointers 
It seems like a historic accident that these return unsigned char *,
and in many places that means casts are required, more often than not.

Make these functions return void * and remove all the casts across
the tree, adding a (u8 *) cast only where the unsigned char pointer
was used directly, all done with the following spatch:

    @@
    expression SKB, LEN;
    typedef u8;
    identifier fn = { skb_push, __skb_push, skb_push_rcsum };
    @@
    - *(fn(SKB, LEN))
    + *(u8 *)fn(SKB, LEN)

    @@
    expression E, SKB, LEN;
    identifier fn = { skb_push, __skb_push, skb_push_rcsum };
    type T;
    @@
    - E = ((T *)(fn(SKB, LEN)))
    + E = fn(SKB, LEN)

    @@
    expression SKB, LEN;
    identifier fn = { skb_push, __skb_push, skb_push_rcsum };
    @@
    - fn(SKB, LEN)[0]
    + *(u8 *)fn(SKB, LEN)

Note that the last part there converts from push(...)[0] to the
more idiomatic *(u8 *)push(...).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-06-16 11:48:40 -04:00
Eric Dumazet
6ad20165d3 drivers: net: generalize napi_complete_done() 
napi_complete_done() allows to opt-in for gro_flush_timeout,
added back in linux-3.19, commit 3b47d30396
("net: gro: add a per device gro flush timer")

This allows for more efficient GRO aggregation without
sacrifying latencies.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-01-30 15:10:42 -05:00
Florian Westphal
a6086a8937 drivers: net: remove NETDEV_TX_LOCKED 
replace the trylock by a full spin_lock and remove TX_LOCKED return value.
Followup patch will remove TX_LOCKED from the kernel.

Cc: Jon Mason <jdmason@kudzu.us>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-04-26 15:53:05 -04:00
Jiri Pirko
df8a39defa net: rename vlan_tx_* helpers since "tx" is misleading there 
The same macros are used for rx as well. So rename it.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-01-13 17:51:08 -05:00
Alexander Duyck
e0e31216ef cxgb: Use napi_alloc_skb instead of netdev_alloc_skb_ip_align 
In order to use napi_alloc_skb I needed to pass a pointer to struct adapter
instead of struct pci_dev.  This allowed me to access &adapter->napi.

Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-12-10 13:31:57 -05:00
Julia Lawall
5e84e189ce chelsio: fix misspelling of current function in string 
Replace a misspelled function name by %s and then __func__.

This was done using Coccinelle, including the use of Levenshtein distance,
as proposed by Rasmus Villemoes.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-12-09 16:18:47 -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
Jeff Kirsher
0ab75ae81d ethernet: Fix FSF address in file headers 
Several files refer to an old address for the Free Software Foundation
in the file header comment.  Resolve by replacing the address with
the URL <http://www.gnu.org/licenses/> so that we do not have to keep
updating the header comments anytime the address changes.

CC: Santosh Raspatur <santosh@chelsio.com>
CC: Dimitris Michailidis <dm@chelsio.com>
CC: Michael Chan <mchan@broadcom.com>
CC: Santiago Leon <santil@linux.vnet.ibm.com>
CC: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
CC: Olof Johansson <olof@lixom.net>
CC: Manish Chopra <manish.chopra@qlogic.com>
CC: Sony Chacko <sony.chacko@qlogic.com>
CC: Rajesh Borundia <rajesh.borundia@qlogic.com>
CC: Nicolas Pitre <nico@fluxnic.net>
CC: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2013-12-06 12:37:55 -05:00
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
stephen hemminger
e76d120b68 chelsio: use netdev_alloc_skb_ip_align 
Use netdev_alloc_sk_ip_align in the case where packet is copied.
This handles case where NET_IP_ALIGN == 0 as well as adding required header
padding.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2013-03-20 15:24:40 -04:00
Eric Dumazet
70386d40e1 chelsio: add headroom in RX path 
Drivers should reserve some headroom in skb used in receive path,
to avoid future head reallocation.

One possible way to do that is to use dev_alloc_skb() instead
of alloc_skb(), so that NET_SKB_PAD bytes are reserved.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2013-03-20 13:29:34 -04:00
Joe Perches
428ac43f77 chelsio: Use netdev_<level> and pr_<level> 
Use more current logging styles.

Convert printks to pr_<level> and
printks with ("%s: ...", dev->name to netdev_<level>(dev, "...

Add pr_fmt #defines where appropriate.
Coalesce formats.
Use pr_<level>_once where appropriate.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2013-01-07 19:40:30 -08:00
Greg Kroah-Hartman
1dd06ae8db drivers/net: fix up function prototypes after __dev* removals 
The __dev* removal patches for the network drivers ended up messing up
the function prototypes for a bunch of drivers.  This patch fixes all of
them back up to be properly aligned.

Bonus is that this almost removes 100 lines of code, always a nice
surprise.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2012-12-07 14:22:22 -05:00
Jan Glauber
fd3065b25b chelsio: remove get_clock and use ktime_get 
The get_clock() of the chelsio driver clashes with the s390 one.
The chelsio helper reads a timespec via ktime just to convert it
back to ktime. I can see no different outcome from calling
ktime_get directly.

Remove the get_clock and use ktime_get directly.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2012-12-07 12:56:22 -05:00
Bill Pemberton
ff76a3cca3 chelsio: 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 11:16:42 -08:00
Michał Mirosław
c8f44affb7 net: introduce and use netdev_features_t for device features sets 
v2:	add couple missing conversions in drivers
	split unexporting netdev_fix_features()
	implemented %pNF
	convert sock::sk_route_(no?)caps

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2011-11-16 17:43:10 -05:00
Eric Dumazet
9e903e0852 net: add skb frag size accessors 
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>
 2011-10-19 03:10:46 -04:00
Ian Campbell
5d6bcdfe38 net: use DMA_x_DEVICE and dma_mapping_error with skb_frag_dma_map 
When I converted some drivers from pci_map_page to skb_frag_dma_map I
neglected to convert PCI_DMA_xDEVICE into DMA_x_DEVICE and
pci_dma_mapping_error into dma_mapping_error.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2011-10-06 16:17:20 -04:00
Ian Campbell
011392224b chelsio: convert to SKB paged frag API. 
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Divy Le Ray <divy@chelsio.com>
Cc: Dimitris Michailidis <dm@chelsio.com>
Cc: Casey Leedom <leedom@chelsio.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
 2011-10-05 17:36:01 -04:00
Jeff Kirsher
f7917c009c chelsio: Move the Chelsio drivers 
Moves the drivers for the Chelsio chipsets into
drivers/net/ethernet/chelsio/ and the necessary Kconfig and Makefile
changes.

CC: Divy Le Ray <divy@chelsio.com>
CC: Dimitris Michailidis <dm@chelsio.com>
CC: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
 2011-08-10 19:54:52 -07:00