The new helper drm_of_lvds_get_dual_link_pixel_order() introduced in
commit 6529007522 has a fallback stub when CONFIG_OF is not set, but
the stub is declared in drm_of.h without a static inline. This causes
multiple definitions of the function to be linked when the CONFIG_OF
option isn't set. Fix it by making the stub static inline.
Fixes: 6529007522 ("drm: of: Add drm_of_lvds_get_dual_link_pixel_order")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191219103703.8547-1-laurent.pinchart+renesas@ideasonboard.com
param->rx_mini_pending is __u32 variable, it will never
be less than zero.
Signed-off-by: yuehaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the driver is built-in but ipv6 is a module, the flower
support produces a link error:
drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.o: In function `nfp_tunnel_keep_alive_v6':
tunnel_conf.c:(.text+0x2aa8): undefined reference to `nd_tbl'
Add a Kconfig dependency to avoid that configuration.
Fixes: 9ea9bfa122 ("nfp: flower: support ipv6 tunnel keep-alive messages from fw")
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the enetc driver is disabled, the mdio support fails to
get built:
drivers/net/dsa/ocelot/felix_vsc9959.o: In function `vsc9959_mdio_bus_alloc':
felix_vsc9959.c:(.text+0x19c): undefined reference to `enetc_hw_alloc'
felix_vsc9959.c:(.text+0x1d1): undefined reference to `enetc_mdio_read'
felix_vsc9959.c:(.text+0x1d8): undefined reference to `enetc_mdio_write'
Change the Makefile to enter the subdirectory for this as well.
Fixes: bdeced75b1 ("net: dsa: felix: Add PCS operations for PHYLINK")
Fixes: 6517798dd3 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use constant EnAnaPLL for bit 14 as in vendor driver. The vendor
driver sets this bit for chip version 02 only, but I'm not aware of
any issues, so better leave it as it is.
In addition remove the useless debug message.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Smatch complains that the NULL checking isn't done consistently:
net/ethtool/strset.c:253 strset_prepare_data()
error: we previously assumed 'dev' could be null (see line 233)
It looks like there is a missing return on this path.
Fixes: 71921690f9 ("ethtool: provide string sets with STRSET_GET request")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "ret < 0" comparison is never true because "ret" is still zero.
Fixes: 728480f124 ("ethtool: default handlers for GET requests")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
If ethnl_default_parse() fails then we need to free a couple
memory allocations before returning.
Fixes: 728480f124 ("ethtool: default handlers for GET requests")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli says:
====================
Broadcom tags support for 531x5/539x families
This patch series finally allows us to enable Broadcom tags on the
BCM531x5/BCM539x switch series which are very often cascaded onto
another on-chip Broadcom switch. Because of that we need to be able to
detect that Broadcom tags are already enabled on our DSA master which
happens to be a DSA slave in that case since they are not part of the
same DSA switch tree, the protocol does not support that.
Due to the way DSA works, get_tag_protocol() is called prior to
ds->ops->setup and we do not have all data structures set-up (in
particular dsa_port::cpu_dp is not filed yet) so doing this at the time
get_tag_protocol() is called and without exporting a helper function is
desirable to limit our footprint into the framework.
Having the core (net/dsa/dsa2.c) return and enforce DSA_TAG_PROTO_NONE
was considered and done initially but this leaves the driver outside of
the decision to force/fallback to a particular protocol, instead of
letting it in control. Also there is no reason to suspect that all
tagging protocols are problematic, e.g.: "inner" Marvell EDSA with
"outer" Broadcom tag may work just fine, and vice versa.
This was tested on:
- Lamobo R1 which now has working Broadcom tags for its external BCM53125 switch
- BCM7445 which has a BCM53125 hanging off one of its internal switch
port, the BCM53125 still works with DSA_TAG_PROTO_NONE
- BCM7278 which has a peculiar dual CPU port set-up (so dual IMP mode
needs to be enabled)
- Northstar Plus with DSA_TAG_PROTO_BRCM_PREPEND and no external
switches hanging off the internal switch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The BCM531x5 and BCM539x families require that the IMP port be enabled
within the management page and that management mode (SM_SW_FWD_MODE) be
turned on. Once this is done, everything works as expected, including
multicast with standalone DSA devices or bridge devices.
Because such switches are frequencly cascaded with other internal
Broadcom switches on which we want to enable Broadcom tags, update
b53_can_enable_brcm_tags() to check the kind of DSA master tagging
protocol being used, if it is one of the two supported Broadcom tagging
protocols, force DSA_TAG_PROTO_NONE.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It is possible to stack multiple DSA switches in a way that they are not
part of the tree (disjoint) but the DSA master of a switch is a DSA
slave of another. When that happens switch drivers may have to know this
is the case so as to determine whether their tagging protocol has a
remove chance of working.
This is useful for specific switch drivers such as b53 where devices
have been known to be stacked in the wild without the Broadcom tag
protocol supporting that feature. This allows b53 to continue supporting
those devices by forcing the disabling of Broadcom tags on the outermost
switches if necessary.
The get_tag_protocol() function is therefore updated to gain an
additional enum dsa_tag_protocol argument which denotes the current
tagging protocol used by the DSA master we are attached to, else
DSA_TAG_PROTO_NONE for the top of the dsa_switch_tree.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current 'tipc_wait_for_connect()' function does a wait-loop for the
condition 'sk->sk_state != TIPC_CONNECTING' to conclude if the socket
connecting has done. However, when the condition is met, it returns '0'
even in the case the connecting is actually failed, the socket state is
set to 'TIPC_DISCONNECTING' (e.g. when the server socket has closed..).
This results in a wrong return code for the 'connect()' call from user,
making it believe that the connection is established and go ahead with
building, sending a message, etc. but finally failed e.g. '-EPIPE'.
This commit fixes the issue by changing the wait condition to the
'tipc_sk_connected(sk)', so the function will return '0' only when the
connection is really established. Otherwise, either the socket 'sk_err'
if any or '-ETIMEDOUT'/'-EINTR' will be returned correspondingly.
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a socket is suddenly shutdown or released, it will reject all the
unreceived messages in its receive queue. This applies to a connected
socket too, whereas there is only one 'FIN' message required to be sent
back to its peer in this case.
In case there are many messages in the queue and/or some connections
with such messages are shutdown at the same time, the link layer will
easily get overflowed at the 'TIPC_SYSTEM_IMPORTANCE' backlog level
because of the message rejections. As a result, the link will be taken
down. Moreover, immediately when the link is re-established, the socket
layer can continue to reject the messages and the same issue happens...
The commit refactors the '__tipc_shutdown()' function to only send one
'FIN' in the situation mentioned above. For the connectionless case, it
is unavoidable but usually there is no rejections for such socket
messages because they are 'dest-droppable' by default.
In addition, the new code makes the other socket states clear
(e.g.'TIPC_LISTEN') and treats as a separate case to avoid misbehaving.
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vikas Gupta says:
====================
Devlink notification after recovery complete by bnxt_en driver
This patchset adds following feature in devlink
1) Recovery complete direct call API to be used by drivers when it
successfully completes. It is required as recovery triggered by
devlink may return with EINPROGRESS and eventually recovery
completes in different context.
2) A notification when health status is updated by reporter.
Patchset also contains required changes in bnxt_en driver to
mark recovery in progress when recovery is triggered from kernel
devlink.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Return EINPROGRESS to devlink health reporter recover as we are not yet
done and call devlink_health_reporter_recovery_done once reset is
successfully completed from workqueue context.
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
add a devlink notification when reporter update the health
state.
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It is possible that a reporter recovery completion do not finish
successfully when recovery is triggered via
devlink_health_reporter_recover as recovery could be processed in
different context. In such scenario an error is returned by driver when
recover hook is invoked and successful recovery completion is
intimated later.
Expose devlink recover done API to update recovery stats.
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The rk3399-roc-pc uses a MP8859 DC/DC converter for 12V supply.
This supplies 5V only in default state after booting.
Now we can control the output voltage via I2C interface.
Add a node for the driver to reach 12V.
Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Link: https://lore.kernel.org/r/20200106211633.2882-6-m.reichl@fivetechno.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Missing netns context in arp_tables, from Florian Westphal.
2) Underflow in flowtable reference counter, from wenxu.
3) Fix incorrect ethernet destination address in flowtable offload,
from wenxu.
4) Check for status of neighbour entry, from wenxu.
5) Fix NAT port mangling, from wenxu.
6) Unbind callbacks from destroy path to cleanup hardware properly
on flowtable removal.
7) Fix missing casting statistics timestamp, add nf_flowtable_time_stamp
and use it.
8) NULL pointer exception when timeout argument is null in conntrack
dccp and sctp protocol helpers, from Florian Westphal.
9) Possible nul-dereference in ipset with IPSET_ATTR_LINENO, also from
Florian.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The recovery mode pin is currently named 'REC_MODE_L', which is
how the signal is called in the schematics. The Chrome OS ABI
requires the pin to be named 'RECOVERY_SW_L', which is also how
it is called on all other veyron devices. Rename the pin to match
the ABI.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200108092908.1.I3afd3535b65460e79f3976e9ebfa392a0dd75e01@changeid
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Jason A. Donenfeld says:
====================
reduce open coded skb->next access for gso segment walking
This patchset introduces the skb_list_walk_safe helper macro, in order
to add some sanity to the myrid ways drivers have of walking through gso
segments. The goal is to reduce future bugs commonly caused by open
coding these sorts of things, and to in the future make it easier to
swap out the underlying list representation.
This first patch series addresses the easy uses of drivers iterating
over the returned list of skb_gso_segments, for drivers that live in
drivers/net/*. There are still other use cases to tackle later for
net/*, and after these low-hanging fruits are taken care of, I imagine
there are more subtle cases of gso segment walking that isn't just a
direct return value from skb_gso_segments, and eventually this will have
to be tackled. This series is the first in that direction.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As part of the continual effort to remove direct usage of skb->next and
skb->prev, this patch adds a helper for iterating through the
singly-linked variant of skb lists, which are used for lists of GSO
packet. The name "skb_list_..." has been chosen to match the existing
function, "kfree_skb_list, which also operates on these singly-linked
lists, and the "..._walk_safe" part is the same idiom as elsewhere in
the kernel.
This patch removes the helper from wireguard and puts it into
linux/skbuff.h, while making it a bit more robust for general usage. In
particular, parenthesis are added around the macro argument usage, and it
now accounts for trying to iterate through an already-null skb pointer,
which will simply run the iteration zero times. This latter enhancement
means it can be used to replace both do { ... } while and while (...)
open-coded idioms.
This should take care of these three possible usages, which match all
current methods of iterations.
skb_list_walk_safe(segs, skb, next) { ... }
skb_list_walk_safe(skb, skb, next) { ... }
skb_list_walk_safe(segs, skb, segs) { ... }
Gcc appears to generate efficient code for each of these.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Split R-Car H3 support in two independent drivers,
- Miscellaneous fixes and cleanups.
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Merge tag 'sh-pfc-for-v5.6-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: sh-pfc: Updates for v5.5
- Split R-Car H3 support in two independent drivers,
- Miscellaneous fixes and cleanups.
When procfs is disabled, the fdinfo code causes a harmless
warning:
net/socket.c:1000:13: error: 'sock_show_fdinfo' defined but not used [-Werror=unused-function]
static void sock_show_fdinfo(struct seq_file *m, struct file *f)
Move the function definition up so we can use a single #ifdef
around it.
Fixes: b4653342b1 ("net: Allow to show socket-specific information in /proc/[pid]/fdinfo/[fd]")
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The set uadt functions assume lineno is never NULL, but it is in
case of ip_set_utest().
syzkaller managed to generate a netlink message that calls this with
LINENO attr present:
general protection fault: 0000 [#1] PREEMPT SMP KASAN
RIP: 0010:hash_mac4_uadt+0x1bc/0x470 net/netfilter/ipset/ip_set_hash_mac.c:104
Call Trace:
ip_set_utest+0x55b/0x890 net/netfilter/ipset/ip_set_core.c:1867
nfnetlink_rcv_msg+0xcf2/0xfb0 net/netfilter/nfnetlink.c:229
netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
nfnetlink_rcv+0x1ba/0x460 net/netfilter/nfnetlink.c:563
pass a dummy lineno storage, its easier than patching all set
implementations.
This seems to be a day-0 bug.
Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Reported-by: syzbot+34bd2369d38707f3f4a7@syzkaller.appspotmail.com
Fixes: a7b4f989a6 ("netfilter: ipset: IP set core support")
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The timeout pointer can be NULL which means we should modify the
per-nets timeout instead.
All do this, except sctp and dccp which instead give:
general protection fault: 0000 [#1] PREEMPT SMP KASAN
net/netfilter/nf_conntrack_proto_dccp.c:682
ctnl_timeout_parse_policy+0x150/0x1d0 net/netfilter/nfnetlink_cttimeout.c:67
cttimeout_default_set+0x150/0x1c0 net/netfilter/nfnetlink_cttimeout.c:368
nfnetlink_rcv_msg+0xcf2/0xfb0 net/netfilter/nfnetlink.c:229
netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
Reported-by: syzbot+46a4ad33f345d1dd346e@syzkaller.appspotmail.com
Fixes: c779e84960 ("netfilter: conntrack: remove get_timeout() indirection")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
drivers/soc/fsl/qe/gpio.c: In function qe_pin_request:
drivers/soc/fsl/qe/gpio.c:163:26: warning: variable mm_gc set but not used [-Wunused-but-set-variable]
commit 1e714e54b5 ("powerpc: qe_lib-gpio: use gpiochip data pointer")
left behind this unused variable.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
vep_vector_number is actually a 16 bit register which should be read with
ioread16() instead of ioread32().
Fixes: 080b47def5 ("MicroSemi Switchtec management interface driver")
Link: https://lore.kernel.org/r/20200106190337.2428-3-logang@deltatee.com
Reported-by: Doug Meyer <dmeyer@gigaio.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Use dma_set_mask_and_coherent() instead of dma_set_coherent_mask() as the
Switchtec hardware fully supports 64bit addressing and we should set both
the streaming and coherent masks the same.
[logang@deltatee.com: reworked commit message]
Fixes: aff614c633 ("switchtec: Set DMA coherent mask")
Link: https://lore.kernel.org/r/20200106190337.2428-2-logang@deltatee.com
Signed-off-by: Wesley Sheng <wesley.sheng@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Alex Maftei says:
====================
sfc: code refactoring
Splitting some of the driver code into different files, which will
later be used in another driver for a new product.
====================
Reviewed-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Once again, a tiny bit of refactoring was required to stitch the code
together (i.e. adding headers). The moved code deals with managing tx
queues and mappings.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The moved code deals with managing rx buffers and queues.
A tiny bit of refactoring was required in other files to stitch the
code together.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reallocation and copying code is included, as well as some housekeeping
code.
Other files have been patched up a bit to accommodate the changes.
Small code styling fixes included.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Also includes interrupt enabling/disabling code.
Small code styling fixes included.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Just a handful of function, but also removed many 'static' identifiers
so the code builds. These will, of course, be moved.
Module parameters for IRQ moderation threshold also moved.
Small code styling fixes included.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hardware monitor code and the reset work queue code were also
moved, with supporting macros and parameters, because they are assigned
to function pointers in the struct.
Small code styling fixes included.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The rest of the reset code will be moved later.
Small code styling fixes included.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code that manages the datapath (starting, stopping, including the
port-related bits) will be common.
Three functions have been added that contain bits from other
functions. These will be moved to their final files in later patches.
Small code styling fixes included.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
