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Prepare af_vsock.c for SEQPACKET support: rename some functions such
as setsockopt(), getsockopt(), connect(), recvmsg(), sendmsg() in general
manner, because they are shared with stream sockets.
Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct a grammatical error.
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The TX timestamping procedure for SJA1105 is a bit unconventional
because the transmit procedure itself is unconventional.
Control packets (and therefore PTP as well) are transmitted to a
specific port in SJA1105 using "management routes" which must be written
over SPI to the switch. These are one-shot rules that match by
destination MAC address on traffic coming from the CPU port, and select
the precise destination port for that packet. So to transmit a packet
from NET_TX softirq context, we actually need to defer to a process
context so that we can perform that SPI write before we send the packet.
The DSA master dev_queue_xmit() runs in process context, and we poll
until the switch confirms it took the TX timestamp, then we annotate the
skb clone with that TX timestamp. This is why the sja1105 driver does
not need an skb queue for TX timestamping.
But the SJA1110 is a bit (not much!) more conventional, and you can
request 2-step TX timestamping through the DSA header, as well as give
the switch a cookie (timestamp ID) which it will give back to you when
it has the timestamp. So now we do need a queue for keeping the skb
clones until their TX timestamps become available.
The interesting part is that the metadata frames from SJA1105 haven't
disappeared completely. On SJA1105 they were used as follow-ups which
contained RX timestamps, but on SJA1110 they are actually TX completion
packets, which contain a variable (up to 32) array of timestamps.
Why an array? Because:
- not only is the TX timestamp on the egress port being communicated,
but also the RX timestamp on the CPU port. Nice, but we don't care
about that, so we ignore it.
- because a packet could be multicast to multiple egress ports, each
port takes its own timestamp, and the TX completion packet contains
the individual timestamps on each port.
This is unconventional because switches typically have a timestamping
FIFO and raise an interrupt, but this one doesn't. So the tagger needs
to detect and parse meta frames, and call into the main switch driver,
which pairs the timestamps with the skbs in the TX timestamping queue
which are waiting for one.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SJA1110 has improved a few things compared to SJA1105:
- To send a control packet from the host port with SJA1105, one needed
to program a one-shot "management route" over SPI. This is no longer
true with SJA1110, you can actually send "in-band control extensions"
in the packets sent by DSA, these are in fact DSA tags which contain
the destination port and switch ID.
- When receiving a control packet from the switch with SJA1105, the
source port and switch ID were written in bytes 3 and 4 of the
destination MAC address of the frame (which was a very poor shot at a
DSA header). If the control packet also had an RX timestamp, that
timestamp was sent in an actual follow-up packet, so there were
reordering concerns on multi-core/multi-queue DSA masters, where the
metadata frame with the RX timestamp might get processed before the
actual packet to which that timestamp belonged (there is no way to
pair a packet to its timestamp other than the order in which they were
received). On SJA1110, this is no longer true, control packets have
the source port, switch ID and timestamp all in the DSA tags.
- Timestamps from the switch were partial: to get a 64-bit timestamp as
required by PTP stacks, one would need to take the partial 24-bit or
32-bit timestamp from the packet, then read the current PTP time very
quickly, and then patch in the high bits of the current PTP time into
the captured partial timestamp, to reconstruct what the full 64-bit
timestamp must have been. That is awful because packet processing is
done in NAPI context, but reading the current PTP time is done over
SPI and therefore needs sleepable context.
But it also aggravated a few things:
- Not only is there a DSA header in SJA1110, but there is a DSA trailer
in fact, too. So DSA needs to be extended to support taggers which
have both a header and a trailer. Very unconventional - my understanding
is that the trailer exists because the timestamps couldn't be prepared
in time for putting them in the header area.
- Like SJA1105, not all packets sent to the CPU have the DSA tag added
to them, only control packets do:
* the ones which match the destination MAC filters/traps in
MAC_FLTRES1 and MAC_FLTRES0
* the ones which match FDB entries which have TRAP or TAKETS bits set
So we could in theory hack something up to request the switch to take
timestamps for all packets that reach the CPU, and those would be
DSA-tagged and contain the source port / switch ID by virtue of the
fact that there needs to be a timestamp trailer provided. BUT:
- The SJA1110 does not parse its own DSA tags in a way that is useful
for routing in cross-chip topologies, a la Marvell. And the sja1105
driver already supports cross-chip bridging from the SJA1105 days.
It does that by automatically setting up the DSA links as VLAN trunks
which contain all the necessary tag_8021q RX VLANs that must be
communicated between the switches that span the same bridge. So when
using tag_8021q on sja1105, it is possible to have 2 switches with
ports sw0p0, sw0p1, sw1p0, sw1p1, and 2 VLAN-unaware bridges br0 and
br1, and br0 can take sw0p0 and sw1p0, and br1 can take sw0p1 and
sw1p1, and forwarding will happen according to the expected rules of
the Linux bridge.
We like that, and we don't want that to go away, so as a matter of
fact, the SJA1110 tagger still needs to support tag_8021q.
So the sja1110 tagger is a hybrid between tag_8021q for data packets,
and the native hardware support for control packets.
On RX, packets have a 13-byte trailer if they contain an RX timestamp.
That trailer is padded in such a way that its byte 8 (the start of the
"residence time" field - not parsed by Linux because we don't care) is
aligned on a 16 byte boundary. So the padding has a variable length
between 0 and 15 bytes. The DSA header contains the offset of the
beginning of the padding relative to the beginning of the frame (and the
end of the padding is obviously the end of the packet minus 13 bytes,
the length of the trailer). So we discard it.
Packets which don't have a trailer contain the source port and switch ID
information in the header (they are "trap-to-host" packets). Packets
which have a trailer contain the source port and switch ID in the trailer.
On TX, the destination port mask and switch ID is always in the trailer,
so we always need to say in the header that a trailer is present.
The header needs a custom EtherType and this was chosen as 0xdadc, after
0xdada which is for Marvell and 0xdadb which is for VLANs in
VLAN-unaware mode on SJA1105 (and SJA1110 in fact too).
Because we use tag_8021q in concert with the native tagging protocol,
control packets will have 2 DSA tags.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In SJA1105, RX timestamps for packets sent to the CPU are transmitted in
separate follow-up packets (metadata frames). These contain partial
timestamps (24 or 32 bits) which are kept in SJA1105_SKB_CB(skb)->meta_tstamp.
Thankfully, SJA1110 improved that, and the RX timestamps are now
transmitted in-band with the actual packet, in the timestamp trailer.
The RX timestamps are now full-width 64 bits.
Because we process the RX DSA tags in the rcv() method in the tagger,
but we would like to preserve the DSA code structure in that we populate
the skb timestamp in the port_rxtstamp() call which only happens later,
the implication is that we must somehow pass the 64-bit timestamp from
the rcv() method all the way to port_rxtstamp(). We can use the skb->cb
for that.
Rename the meta_tstamp from struct sja1105_skb_cb from "meta_tstamp" to
"tstamp", and increase its size to 64 bits.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The added value of this function is that it can deal with both the case
where the VLAN header is in the skb head, as well as in the offload field.
This is something I was not able to do using other functions in the
network stack.
Since both ocelot-8021q and sja1105 need to do the same stuff, let's
make it a common service provided by tag_8021q.
This is done as refactoring for the new SJA1110 tagger, which partly
uses tag_8021q as well (just like SJA1105), and will be the third caller.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This makes no sense and is not needed, it is probably a debugging
leftover.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some really really weird switches just couldn't decide whether to use a
normal or a tail tagger, so they just did both.
This creates problems for DSA, because we only have the concept of an
'overhead' which can be applied to the headroom or to the tailroom of
the skb (like for example during the central TX reallocation procedure),
depending on the value of bool tail_tag, but not to both.
We need to generalize DSA to cater for these odd switches by
transforming the 'overhead / tail_tag' pair into 'needed_headroom /
needed_tailroom'.
The DSA master's MTU is increased to account for both.
The flow dissector code is modified such that it only calls the DSA
adjustment callback if the tagger has a non-zero header length.
Taggers are trivially modified to declare either needed_headroom or
needed_tailroom, based on the tail_tag value that they currently
declare.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for `tfrc_invert_loss_event_rate` to fix the W=1 warnings:
net/dccp/ccids/lib/tfrc_equation.c:695: warning: Function parameter or
member 'loss_event_rate' not described in 'tfrc_invert_loss_event_rate'
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Richard Sailer <richard_siegfried@systemli.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert list_for_each() to list_for_each_entry() where
applicable. This simplifies the code.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert list_for_each() to list_for_each_entry() where
applicable. This simplifies the code.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a spelling mistake.
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the use of copular verb.
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the use of indefinite article.
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the repeated word "and".
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the repeated word "be".
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for net-next:
1) Add nfgenmsg field to nfnetlink's struct nfnl_info and use it.
2) Remove nft_ctx_init_from_elemattr() and nft_ctx_init_from_setattr()
helper functions.
3) Add the nf_ct_pernet() helper function to fetch the conntrack
pernetns data area.
4) Expose TCP and UDP flowtable offload timeouts through sysctl,
from Oz Shlomo.
5) Add nfnetlink_hook subsystem to fetch the netfilter hook
pipeline configuration, from Florian Westphal. This also includes
a new field to annotate the hook type as metadata.
6) Fix unsafe memory access to non-linear skbuff in the new SCTP
chunk support for nft_exthdr, from Phil Sutter.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The WARN_ON() macro takes a condition, it doesn't take a message. Use
WARN() instead.
Fixes: 1897db2ec310 ("devlink: Allow setting tx rate for devlink rate leaf objects")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a mistake in grammar.
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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coverity scanner says:
2187 if (nft_is_base_chain(chain)) {
vvv CID 1505166: Memory - corruptions (UNINIT)
vvv Using uninitialized value "basechain".
2188 basechain->ops.hook_ops_type = NF_HOOK_OP_NF_TABLES;
... I don't see how nft_is_base_chain() can evaluate to true
while basechain pointer is garbage.
However, it seems better to place the NF_HOOK_OP_NF_TABLES annotation
in nft_basechain_hook_init() instead.
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1505166 ("Memory - corruptions")
Fixes: 65b8b7bfc5284f ("netfilter: annotate nf_tables base hook ops")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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nfnetlink_hook.c: In function 'nfnl_hook_put_nft_chain_info':
nfnetlink_hook.c:76:7: error: implicit declaration of 'nft_is_active'
This macro is only defined when NF_TABLES is enabled.
While its possible to also add an ifdef-guard, the infrastructure
is currently not useful without nf_tables.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 252956528caa ("netfilter: add new hook nfnl subsystem")
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Currently the array net->nf.hooks_ipv6 is accessed by index hook
before hook is sanity checked. Fix this by moving the sanity check
to before the array access.
Addresses-Coverity: ("Out-of-bounds access")
Fixes: e2cf17d3774c ("netfilter: add new hook nfnl subsystem")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fix some mistakes in grammar.
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While iterating through an SCTP packet's chunks, skb_header_pointer() is
called for the minimum expected chunk header size. If (that part of) the
skbuff is non-linear, the following memcpy() may read data past
temporary buffer '_sch'. Use skb_copy_bits() instead which does the
right thing in this situation.
Fixes: 133dc203d77df ("netfilter: nft_exthdr: Support SCTP chunks")
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Convert list_for_each() to list_for_each_entry() where
applicable. This simplifies the code.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert list_for_each() to list_for_each_entry() where
applicable. This simplifies the code.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert list_for_each() to list_for_each_entry() where
applicable. This simplifies the code.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
pull request for net-next: batman-adv 2021-06-08
here is a feature/cleanup pull request of batman-adv to go into net-next.
Please pull or let me know of any problem!
This feature/cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- consistently send iface index/name in genlmsg, by Sven Eckelmann
- improve broadcast queueing, by Linus Lüssing (2 patches)
- add support for routable IPv4 multicast with bridged setups,
by Linus Lüssing
- remove repeated declarations, by Shaokun Zhang
- fix spelling mistakes, by Zheng Yongjun
- clean up hard interface handling after dropping sysfs support,
by Sven Eckelmann (4 patches)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up to now several high speed NICs have custom mechanisms of recycling
the allocated memory they use for their payloads.
Our page_pool API already has recycling capabilities that are always
used when we are running in 'XDP mode'. So let's tweak the API and the
kernel network stack slightly and allow the recycling to happen even
during the standard operation.
The API doesn't take into account 'split page' policies used by those
drivers currently, but can be extended once we have users for that.
The idea is to be able to intercept the packet on skb_release_data().
If it's a buffer coming from our page_pool API recycle it back to the
pool for further usage or just release the packet entirely.
To achieve that we introduce a bit in struct sk_buff (pp_recycle:1) and
a field in struct page (page->pp) to store the page_pool pointer.
Storing the information in page->pp allows us to recycle both SKBs and
their fragments.
We could have skipped the skb bit entirely, since identical information
can bederived from struct page. However, in an effort to affect the free path
as less as possible, reading a single bit in the skb which is already
in cache, is better that trying to derive identical information for the
page stored data.
The driver or page_pool has to take care of the sync operations on it's own
during the buffer recycling since the buffer is, after opting-in to the
recycling, never unmapped.
Since the gain on the drivers depends on the architecture, we are not
enabling recycling by default if the page_pool API is used on a driver.
In order to enable recycling the driver must call skb_mark_for_recycle()
to store the information we need for recycling in page->pp and
enabling the recycling bit, or page_pool_store_mem_info() for a fragment.
Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Co-developed-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a prerequisite patch, the next one is enabling recycling of
skbs and fragments. Add an extra argument on __skb_frag_unref() to
handle recycling, and update the current users of the function with that.
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is needed by the page_pool to avoid recycling a page not allocated
via page_pool.
The page->signature field is aliased to page->lru.next and
page->compound_head, but it can't be set by mistake because the
signature value is a bad pointer, and can't trigger a false positive
in PageTail() because the last bit is 0.
Co-developed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix some spelling mistakes in comments:
negociated ==> negotiated
dont ==> don't
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix some spelling mistakes in comments:
constuct ==> construct
chanels ==> channels
Detination ==> Destination
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix some spelling mistakes in comments:
Dont ==> Don't
timout ==> timeout
incomming ==> incoming
necesarry ==> necessary
substract ==> subtract
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix some spelling mistakes in comments:
Interate ==> Iterate
sucess ==> success
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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interrupt should be changed to interrupting.
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The pktgen_{run, reset, stop}_all_threads() has the same code,
so add pktgen_handle_all_threads() for it.
Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bug fixes overlapping feature additions and refactoring, mostly.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_lookup_leaf()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:773: warning: Function parameter or member 'hprio' not described in 'htb_lookup_leaf'
net/sched/sch_htb.c:773: warning: Function parameter or member 'prio' not described in 'htb_lookup_leaf'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_do_events()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:708: warning: Function parameter or member 'q' not described in 'htb_do_events'
net/sched/sch_htb.c:708: warning: Function parameter or member 'level' not described in 'htb_do_events'
net/sched/sch_htb.c:708: warning: Function parameter or member 'start' not described in 'htb_do_events'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_charge_class()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:663: warning: Function parameter or member 'q' not described in 'htb_charge_class'
net/sched/sch_htb.c:663: warning: Function parameter or member 'cl' not described in 'htb_charge_class'
net/sched/sch_htb.c:663: warning: Function parameter or member 'level' not described in 'htb_charge_class'
net/sched/sch_htb.c:663: warning: Function parameter or member 'skb' not described in 'htb_charge_class'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_deactivate()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:578: warning: Function parameter or member 'q' not described in 'htb_deactivate'
net/sched/sch_htb.c:578: warning: Function parameter or member 'cl' not described in 'htb_deactivate'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_activate()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:562: warning: Function parameter or member 'q' not described in 'htb_activate'
net/sched/sch_htb.c:562: warning: Function parameter or member 'cl' not described in 'htb_activate'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_change_class_mode()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:533: warning: Function parameter or member 'q' not described in 'htb_change_class_mode'
net/sched/sch_htb.c:533: warning: Function parameter or member 'cl' not described in 'htb_change_class_mode'
net/sched/sch_htb.c:533: warning: Function parameter or member 'diff' not described in 'htb_change_class_mode'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_class_mode()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:507: warning: Function parameter or member 'cl' not described in 'htb_class_mode'
net/sched/sch_htb.c:507: warning: Function parameter or member 'diff' not described in 'htb_class_mode'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_deactivate_prios()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:442: warning: Function parameter or member 'q' not described in 'htb_deactivate_prios'
net/sched/sch_htb.c:442: warning: Function parameter or member 'cl' not described in 'htb_deactivate_prios'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_activate_prios()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:407: warning: Function parameter or member 'q' not described in 'htb_activate_prios'
net/sched/sch_htb.c:407: warning: Function parameter or member 'cl' not described in 'htb_activate_prios'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_remove_class_from_row()
to fix gcc W=1 warnings:
net/sched/sch_htb.c:380: warning: Function parameter or member 'q' not described in 'htb_remove_class_from_row'
net/sched/sch_htb.c:380: warning: Function parameter or member 'cl' not described in 'htb_remove_class_from_row'
net/sched/sch_htb.c:380: warning: Function parameter or member 'mask' not described in 'htb_remove_class_from_row'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_add_class_to_row() to fix
gcc W=1 warnings:
net/sched/sch_htb.c:351: warning: Function parameter or member 'q' not described in 'htb_add_class_to_row'
net/sched/sch_htb.c:351: warning: Function parameter or member 'cl' not described in 'htb_add_class_to_row'
net/sched/sch_htb.c:351: warning: Function parameter or member 'mask' not described in 'htb_add_class_to_row'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add description for parameters of htb_next_rb_node() to fix
gcc W=1 warnings:
net/sched/sch_htb.c:339: warning: Function parameter or member 'n' not described in 'htb_next_rb_node'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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