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Reuse the json_writer API introduced in an earlier commit to make
bpftool able to generate JSON output on `bpftool prog show *` commands.
A new printing function is created to be passed as an argument to the
disassembler.
Similarly to plain output, opcodes are printed on request.
Outputs from sample programs have been successfully tested against a
JSON validator.
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reuse the json_writer API introduced in an earlier commit to make
bpftool able to generate JSON output on `bpftool prog show *` commands.
For readability, the code from show_prog() has been split into two
functions, one for plain output, one for JSON.
Outputs from sample programs have been successfully tested against a
JSON validator.
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These two options can be used to ask for a JSON output (--j or -json),
and to make this JSON human-readable (-p or --pretty).
A json_writer object is created when JSON is required, and will be used
in follow-up commits to produce JSON output.
Note that --pretty implies --json.
Update for the manual pages and interactive help messages comes in a
later patch of the series.
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add an option parsing facility to bpftool, in prevision of future
options for demanding JSON output. Currently, two options are added:
--help and --version, that act the same as the respective commands
`help` and `version`.
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In prevision of following commits, supposed to add JSON output to the
tool, two files are copied from the iproute2 repository (taken at commit
268a9eee985f): lib/json_writer.c and include/json_writer.h.
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds tracepoint trace_tcp_set_state. Besides usual fields
(s/d ports, IP addresses), old and new state of the socket is also
printed with TP_printk, with __print_symbolic().
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds trace event trace_tcp_destroy_sock.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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New tracepoint trace_tcp_receive_reset is added and called from
tcp_reset(). This tracepoint is define with a new class tcp_event_sk.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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New tracepoint trace_tcp_send_reset is added and called from
tcp_v4_send_reset(), tcp_v6_send_reset() and tcp_send_active_reset().
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some functions that we plan to add trace points require const sk
and/or skb. So we mark these fields as const in the tracepoint.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce event class tcp_event_sk_skb for tcp tracepoints that
have arguments sk and skb.
Existing tracepoint trace_tcp_retransmit_skb() falls into this class.
This patch rewrites the definition of trace_tcp_retransmit_skb() with
tcp_event_sk_skb.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The return value of hns3_clean_tx_ring means tx ring clean result.
Return true means clean complete and there is no more pakcet need
clean. Retrun false means there is packets need clean and napi need
poll again. The last return of hns3_clean_tx_ring is
"return !!budget" as budget will decrease when clean a buffer.
If there is no valid BD in TX ring, return 0 for hns3_clean_tx_ring
will cause napi poll again and never complete the napi poll. This
patch fixes the bug.
Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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HW will use packet length to write packets to buffer or read
packets from buffer. There is a redundant memset when alloc buffer,
the memset have no sense and will increase time-consuming.
This patch removes it.
Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The interface hns3_ring_get_cfg only update TX ring queue_index,
but do not update RX ring queue_index. This patch fixes it.
Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch gets vf count by standard function pci_sriov_get_totalvfs,
instead of info from NIC HW.
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1# patch: 07d2995 net: hns3: add support for ETHTOOL_GRXFH.
2# patch: 5668abd net: hns3: add support for set_ringparam.
1# patch adds ae_algo->ops->get_rss_tuple to hns3_get_rxnfc
and 2# patch delete ae_algo->ops->get_tc_size
from hns3_get_rxnfc.This patch fix the ops check in hns3_get_rxnfc.
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If one buffer had been recieved to stack, driver will alloc a new buffer,
map the buffer to device and replace the old buffer. When map fail, should
only free the new alloced buffer, but not free all buffers in the ring.
Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When alloce new buffer to HW, should unmap the old buffer first.
This old code map the old buffer but not unmap the old buffer,
this patch fixes it.
Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)
Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The enums of constants for netlink tends to become rather large over time.
Documenting them is easier when the kernel-doc is actually next to constant
and not in a different block above the enum.
Also inline kernel-doc allows multi-paragraph description. This could be
required to better document the netlink command types and the expected
return values.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
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Use BUG_ON instead of if condition followed by BUG in do_setlink.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Because SYSTEMPORT is a (semi) normal network device, the stack may attempt to
queue packets on it oustide of the DSA slave transmit path. When that happens,
the DSA layer has not had a chance to tag packets with the appropriate per-port
and per-queue information, and if that happens and we don't have a port 0 queue
0 available (e.g: on boards where this does not exist), we will hit a NULL
pointer de-reference in bcm_sysport_select_queue().
Guard against such cases by testing for the TX ring validity.
Fixes: 84ff33eeb23d ("net: systemport: Establish DSA network device queue mapping")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The KVD linear is currently partitioned into two partitions. One for
single entries and another for groups of 32 entries.
Add another partition consisting of groups of 512 entries which will
allow us to more accurately represent the nexthop weights in non-equal
cost multi-path routing.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The memory region where adjacency entries (nexthops) are stored is
called the KVD linear and is configured during initialization with a
size of 64K.
Extend this area with 32K more entries, that will be partitioned into 64
groups of 0.5K entries, thereby allowing us to support weighted nexthops
with high accuracy.
Change the ratio between both types of hash entries, so as to prevent
reduction in the number of double hash entries, which are used for IPv6
neighbours and routes with a prefix length greater than 64.
Note that the user will be able to control all these sizes once the
devlink resource manager is introduced.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up until now the driver assumed all the nexthops have an equal weight
and wrote each to a single adjacency entry.
This patch takes the `weight` parameter into account and populates the
adjacency group according to the relative weight of each nexthop.
Specifically, the weights of all the nexthops that should be offloaded
are first normalized and then used to calculate the upper adjacency
index of each nexthop. This is done according to the hash-threshold
algorithm used by the kernel for IPv4 multi-path routing.
Adjacency groups are currently limited to 32 entries which limits the
weights that can be used, but follow-up patches will introduce groups of
512 entries.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device has certain restrictions regarding the size of an adjacency
group.
Have the router determine the size of the adjacency group according to
available KVDL allocation sizes and these restrictions.
This was not needed until now since only allocations of up 32 entries
were supported and these are all valid sizes for an adjacency group.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As the first step towards non-equal-cost multi-path support, store each
nexthop's weight.
For IPv6 nexthops always set the weight to 1, as it only supports ECMP.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current KVDL allocation API allows the user to specify the requested
number of entries, but the user has no way of knowing how many entries
were actually allocated.
This works because existing users (e.g., router) request the exact
number they end up using. With the introduction of large adjacency
groups, this will change, as the router will have the ability to choose
from several allocation sizes, where larger allocations provide higher
accuracy with respect to requested weights and better resilience against
nexthop failures.
One option is to have the router try several allocations of descending
size until one succeeds, but a better way is to simply allow it to query
the actual allocation size and then size its request accordingly.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The KVD linear (KVDL) allocator currently consists of a very large
bitmap that reflects the KVDL's usage. The boundaries of each partition
as well as their allocation size are represented using defines.
This representation requires us to patch all the functions that act on a
partition whenever the partitioning scheme is changed. In addition, it
does not enable the dynamic configuration of the KVDL using the
up-coming resource manager.
Add objects to represent these partitions as well as the accompanying
code that acts on them to perform allocations and de-allocations.
In the following patches, this will allow us to easily add another
partition as well as new operations to act on these partitions.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The adjacency group size is part of the match on the adjacency group and
should therefore be exposed using dpipe.
When non-equal-cost multi-path support will be introduced, the group's
size will help users understand the exact number of adjacency entries
each nexthop occupies, as a nexthop will no longer correspond to a
single entry.
The output for a multi-path route with two nexthops, one with weight 255
and the second 1 will be:
Example:
$ devlink dpipe table dump pci/0000:01:00.0 name mlxsw_adj
pci/0000:01:00.0:
index 0
match_value:
type field_exact header mlxsw_meta field adj_index value 65536
type field_exact header mlxsw_meta field adj_size value 512
type field_exact header mlxsw_meta field adj_hash_index value 0
action_value:
type field_modify header ethernet field destination mac value e4:1d:2d:a5:f3:64
type field_modify header mlxsw_meta field erif_port mapping ifindex mapping_value 3 value 1
index 1
match_value:
type field_exact header mlxsw_meta field adj_index value 65536
type field_exact header mlxsw_meta field adj_size value 512
type field_exact header mlxsw_meta field adj_hash_index value 510
action_value:
type field_modify header ethernet field destination mac value e4:1d:2d:a5:f3:65
type field_modify header mlxsw_meta field erif_port mapping ifindex mapping_value 4 value 2
Thus, the first nexthop occupies 510 adjacency entries and the second 2,
which leads to a ratio of 255 to 1.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no reason why we should limit ourselves to matching only
full IPv4 addresses (/32), the same logic applies between the DATA and
MASK ports, so just make it more configurable to accept both.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no reason why we should limit ourselves to matching only full
IPv4 addresses (/32), the same logic applies between the DATA and MASK
ports, so just make it more configurable to accept both.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Inserting IPv6 CFP rules complicates the code a little bit in that we
need to insert two rules side by side and chain them to match a full
IPv6 tuple (src, dst IPv6 + port + protocol).
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to do a HW search of the TCAMs which is something slow
and expensive. Since we already maintain a bitmask of active CFP rules,
just iterate over those, starting from bit 1 (after the reserved entry)
to get a count and index position to store the rule later on.
As a result we can remove the code in bcm_sf2_cfp_rule_get() which acted
on the "search" argument, and remove that argument.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for introducing IPv6 rules support, make the
cfp_udf_layout more flexible and match more accurately how the HW is
designed: we have 3 + 1 slices per protocol, but we may not be using all
of them and we are relative to a particular base offset (slice A for
IPv4 for instance). Also populate the slice number that should be used
(slice 1 for IPv4) based on the lookup function.
Finally, we introduce two helper functions: udf_upper_bits() and
udf_lower_bits() to help setting the UDF_n_* valid bits based on the
number of UDFs valid within a slice. Update the IPv4 rule setting to
make use of it to be more robust wrt. change in number of User Defined
Fields being programmed.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the processing of IPv4 rules into specific functions, allowing us
to clearly identify which parts are generic and which ones are not. Also
create a specific function to insert a rule into the action and policer
RAMs as those tend to be fairly generic.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of open coding the shift for the IP protocol, IP fragment bit
etc. define and/or use existing constants to that end.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While the work callback uses the urb to find cardstate from bas_cardstate,
this may not be valid for timer callbacks. Instead, introduce a direct
pointer back to the cardstate from bas_cardstate for use in timer
callbacks.
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Fixes: 4cfea08e6251 ("isdn/gigaset: Convert timers to use timer_setup()")
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Johan Hovold <johan@kernel.org>
Cc: gigaset307x-common@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix multiple build errors and warnings
1.
test_maps.c: In function ‘test_map_rdonly’:
test_maps.c:1051:30: error: ‘BPF_F_RDONLY’ undeclared (first use in this function)
MAP_SIZE, map_flags | BPF_F_RDONLY);
2.
test_maps.c:1048:6: warning: unused variable ‘i’ [-Wunused-variable]
int i, fd, key = 0, value = 0;
3.
test_maps.c:1087:2: error: called object is not a function or function pointer
assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == EPERM);
4.
./bpf_helpers.h:72:11: error: use of undeclared identifier 'BPF_FUNC_getsockopt'
(void *) BPF_FUNC_getsockopt;
Fixes: e043325b3087 ("bpf: Add tests for eBPF file mode")
Fixes: 6e71b04a8224 ("bpf: Add file mode configuration into bpf maps")
Fixes: cd86d1fd2102 ("bpf: Adding helper function bpf_getsockops")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is the possible reason for different hard to reproduce
problems on my ARMv7-SMP test system.
The symptoms are in recent kernels imprecise external aborts,
and in older kernels various kinds of network stalls and
unexpected page allocation failures.
My testing indicates that the trouble started between v4.5 and v4.6
and prevails up to v4.14.
Using the dirty_tx before acquiring the spin lock is clearly
wrong and was first introduced with v4.6.
Fixes: e3ad57c96715 ("stmmac: review RX/TX ring management")
Signed-off-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When syzkaller team brought us a C repro for the crash [1] that
had been reported many times in the past, I finally could find
the root cause.
If FlowLabel info is merged by fl6_merge_options(), we leave
part of the opt_space storage provided by udp/raw/l2tp with random value
in opt_space.tot_len, unless a control message was provided at sendmsg()
time.
Then ip6_setup_cork() would use this random value to perform a kzalloc()
call. Undefined behavior and crashes.
Fix is to properly set tot_len in fl6_merge_options()
At the same time, we can also avoid consuming memory and cpu cycles
to clear it, if every option is copied via a kmemdup(). This is the
change in ip6_setup_cork().
[1]
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
(ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 6613 Comm: syz-executor0 Not tainted 4.14.0-rc4+ #127
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cb64a100 task.stack: ffff8801cc350000
RIP: 0010:ip6_setup_cork+0x274/0x15c0 net/ipv6/ip6_output.c:1168
RSP: 0018:ffff8801cc357550 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff8801cc357748 RCX: 0000000000000010
RDX: 0000000000000002 RSI: ffffffff842bd1d9 RDI: 0000000000000014
RBP: ffff8801cc357620 R08: ffff8801cb17f380 R09: ffff8801cc357b10
R10: ffff8801cb64a100 R11: 0000000000000000 R12: ffff8801cc357ab0
R13: ffff8801cc357b10 R14: 0000000000000000 R15: ffff8801c3bbf0c0
FS: 00007f9c5c459700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020324000 CR3: 00000001d1cf2000 CR4: 00000000001406f0
DR0: 0000000020001010 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
ip6_make_skb+0x282/0x530 net/ipv6/ip6_output.c:1729
udpv6_sendmsg+0x2769/0x3380 net/ipv6/udp.c:1340
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:762
sock_sendmsg_nosec net/socket.c:633 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:643
SYSC_sendto+0x358/0x5a0 net/socket.c:1750
SyS_sendto+0x40/0x50 net/socket.c:1718
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4520a9
RSP: 002b:00007f9c5c458c08 EFLAGS: 00000216 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9
RDX: 0000000000000001 RSI: 0000000020fd1000 RDI: 0000000000000016
RBP: 0000000000000086 R08: 0000000020e0afe4 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004bb1ee
R13: 00000000ffffffff R14: 0000000000000016 R15: 0000000000000029
Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ea 0f 00 00 48 8d 79 04 48 b8 00 00 00 00 00 fc ff df 45 8b 74 24 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85
RIP: ip6_setup_cork+0x274/0x15c0 net/ipv6/ip6_output.c:1168 RSP: ffff8801cc357550
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If an Ethernet PHY is initialized before the interrupt controller it is
connected to, a message like the following is printed:
irq: no irq domain found for /interrupt-controller@e61c0000 !
However, the actual error is ignored, leading to a non-functional (POLL)
PHY interrupt later:
Micrel KSZ8041RNLI ee700000.ethernet-ffffffff:01: attached PHY driver [Micrel KSZ8041RNLI] (mii_bus:phy_addr=ee700000.ethernet-ffffffff:01, irq=POLL)
Depending on whether the PHY driver will fall back to polling, Ethernet
may or may not work.
To fix this:
1. Switch of_mdiobus_register_phy() from irq_of_parse_and_map() to
of_irq_get().
Unlike the former, the latter returns -EPROBE_DEFER if the
interrupt controller is not yet available, so this condition can be
detected.
Other errors are handled the same as before, i.e. use the passed
mdio->irq[addr] as interrupt.
2. Propagate and handle errors from of_mdiobus_register_phy() and
of_mdiobus_register_device().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix spellos (typos) in textsearch library helpers.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Timer is properly armed on demand from tun_flow_update(),
so there is no need to arm it at tun init.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If tun_flow_cleanup() deleted all flows, no need to
arm the timer again. It will be armed next time
tun_flow_update() is called.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tun_flow_cleanup() being a timer callback, it is already
running in BH context.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Quentin Monnet
Song Liu
Lipeng
Sven Eckelmann
Gustavo A. R. Silva
Florian Fainelli
Ido Schimmel
Kees Cook
Alexei Starovoitov
Bernd Edlinger
Eric Dumazet
Geert Uytterhoeven
Randy Dunlap