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The ip6tables rpfilter match has an extra check to skip packets with
"::" source address.
Extend this to ipv6 fib expression. Else ipv6 duplicate address detection
packets will fail rpf route check -- lookup returns -ENETUNREACH.
While at it, extend the prerouting check to also cover the ingress hook.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1543
Fixes: f6d0cbcf09c5 ("netfilter: nf_tables: add fib expression")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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nft_set_elem_expr_alloc() needs an initialized set if expression sets on
the NFT_EXPR_GC flag. Move set fields initialization before expression
setup.
[4512935.019450] ==================================================================
[4512935.019456] BUG: KASAN: null-ptr-deref in nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019487] Read of size 8 at addr 0000000000000070 by task nft/23532
[4512935.019494] CPU: 1 PID: 23532 Comm: nft Not tainted 5.12.0-rc4+ #48
[...]
[4512935.019502] Call Trace:
[4512935.019505] dump_stack+0x89/0xb4
[4512935.019512] ? nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019536] ? nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019560] kasan_report.cold.12+0x5f/0xd8
[4512935.019566] ? nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019590] nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019615] nf_tables_newset+0xc7f/0x1460 [nf_tables]
Reported-by: syzbot+ce96ca2b1d0b37c6422d@syzkaller.appspotmail.com
Fixes: 65038428b2c6 ("netfilter: nf_tables: allow to specify stateful expression in set definition")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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These are not permitted by the spec, just drop them.
Link: https://lore.kernel.org/r/20210609161305.23def022b750.Ibd6dd3cdce573dae262fcdc47f8ac52b883a9c50@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When reconfiguration fails, we shut down everything, but we
cannot call cfg80211_shutdown_all_interfaces() with the wiphy
mutex held. Since cfg80211 now calls it on resume errors, we
only need to do likewise for where we call reconfig (whether
directly or indirectly), but not under the wiphy lock.
Cc: stable@vger.kernel.org
Fixes: 2fe8ef106238 ("cfg80211: change netdev registration/unregistration semantics")
Link: https://lore.kernel.org/r/20210608113226.78233c80f548.Iecc104aceb89f0568f50e9670a9cb191a1c8887b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If resume fails, we should shut down all interfaces as the
hardware is probably dead. This was/is already done now in
mac80211, but we need to change that due to locking issues,
so move it here and do it without the wiphy lock held.
Cc: stable@vger.kernel.org
Fixes: 2fe8ef106238 ("cfg80211: change netdev registration/unregistration semantics")
Link: https://lore.kernel.org/r/20210608113226.d564ca69de7c.I2e3c3e5d410b72a4f63bade4fb075df041b3d92f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When I moved around the code here, I neglected that we could still
call register_netdev() or similar without the wiphy mutex held,
which then calls cfg80211_register_wdev() - that's also done from
cfg80211_register_netdevice(), but the phy80211 symlink creation
was only there. Now, the symlink isn't needed for a *pure* wdev,
but a netdev not registered via cfg80211_register_wdev() should
still have the symlink, so move the creation to the right place.
Cc: stable@vger.kernel.org
Fixes: 2fe8ef106238 ("cfg80211: change netdev registration/unregistration semantics")
Link: https://lore.kernel.org/r/20210608113226.a5dc4c1e488c.Ia42fe663cefe47b0883af78c98f284c5555bbe5d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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cfg80211 now calls suspend/resume with the wiphy lock
held, and while there's a problem with that needing
to be fixed, we should do the same in debugfs.
Cc: stable@vger.kernel.org
Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver")
Link: https://lore.kernel.org/r/20210608113226.14020430e449.I78e19db0a55a8295a376e15ac4cf77dbb4c6fb51@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Its set but never read. Reduces size of xfrm_type to 64 bytes on 64bit.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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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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Syzbot reported memory leak in rds. The problem
was in unputted refcount in case of error.
int rds_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
int msg_flags)
{
...
if (!rds_next_incoming(rs, &inc)) {
...
}
After this "if" inc refcount incremented and
if (rds_cmsg_recv(inc, msg, rs)) {
ret = -EFAULT;
goto out;
}
...
out:
return ret;
}
in case of rds_cmsg_recv() fail the refcount won't be
decremented. And it's easy to see from ftrace log, that
rds_inc_addref() don't have rds_inc_put() pair in
rds_recvmsg() after rds_cmsg_recv()
1) | rds_recvmsg() {
1) 3.721 us | rds_inc_addref();
1) 3.853 us | rds_message_inc_copy_to_user();
1) + 10.395 us | rds_cmsg_recv();
1) + 34.260 us | }
Fixes: bdbe6fbc6a2f ("RDS: recv.c")
Reported-and-tested-by: syzbot+5134cdf021c4ed5aaa5f@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.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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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:
====================
Here is a batman-adv bugfix:
- Avoid WARN_ON timing related checks, by Sven Eckelmann
====================
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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The preposition "for" should be changed to preposition "of".
Signed-off-by: gushengxian <gushengxian@yulong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When 'nla_parse_nested_deprecated' failed, it's no need to
BUG() here, return -EINVAL is ok.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reported by syzkaller:
BUG: memory leak
unreferenced object 0xffff888105df7000 (size 64):
comm "syz-executor842", pid 360, jiffies 4294824824 (age 22.546s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000e67ed558>] kmalloc include/linux/slab.h:590 [inline]
[<00000000e67ed558>] kzalloc include/linux/slab.h:720 [inline]
[<00000000e67ed558>] netlbl_cipsov4_add_std net/netlabel/netlabel_cipso_v4.c:145 [inline]
[<00000000e67ed558>] netlbl_cipsov4_add+0x390/0x2340 net/netlabel/netlabel_cipso_v4.c:416
[<0000000006040154>] genl_family_rcv_msg_doit.isra.0+0x20e/0x320 net/netlink/genetlink.c:739
[<00000000204d7a1c>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
[<00000000204d7a1c>] genl_rcv_msg+0x2bf/0x4f0 net/netlink/genetlink.c:800
[<00000000c0d6a995>] netlink_rcv_skb+0x134/0x3d0 net/netlink/af_netlink.c:2504
[<00000000d78b9d2c>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
[<000000009733081b>] netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
[<000000009733081b>] netlink_unicast+0x4a0/0x6a0 net/netlink/af_netlink.c:1340
[<00000000d5fd43b8>] netlink_sendmsg+0x789/0xc70 net/netlink/af_netlink.c:1929
[<000000000a2d1e40>] sock_sendmsg_nosec net/socket.c:654 [inline]
[<000000000a2d1e40>] sock_sendmsg+0x139/0x170 net/socket.c:674
[<00000000321d1969>] ____sys_sendmsg+0x658/0x7d0 net/socket.c:2350
[<00000000964e16bc>] ___sys_sendmsg+0xf8/0x170 net/socket.c:2404
[<000000001615e288>] __sys_sendmsg+0xd3/0x190 net/socket.c:2433
[<000000004ee8b6a5>] do_syscall_64+0x37/0x90 arch/x86/entry/common.c:47
[<00000000171c7cee>] entry_SYSCALL_64_after_hwframe+0x44/0xae
The memory of doi_def->map.std pointing is allocated in
netlbl_cipsov4_add_std, but no place has freed it. It should be
freed in cipso_v4_doi_free which frees the cipso DOI resource.
Fixes: 96cb8e3313c7a ("[NetLabel]: CIPSOv4 and Unlabeled packet integration")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Nanyong Sun <sunnanyong@huawei.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Syzbot reports that when you have AP_VLAN interfaces that are up
and close the AP interface they belong to, we get a deadlock. No
surprise - since we dev_close() them with the wiphy mutex held,
which goes back into the netdev notifier in cfg80211 and tries to
acquire the wiphy mutex there.
To fix this, we need to do two things:
1) prevent changing iftype while AP_VLANs are up, we can't
easily fix this case since cfg80211 already calls us with
the wiphy mutex held, but change_interface() is relatively
rare in drivers anyway, so changing iftype isn't used much
(and userspace has to fall back to down/change/up anyway)
2) pull the dev_close() loop over VLANs out of the wiphy mutex
section in the normal stop case
Cc: stable@vger.kernel.org
Reported-by: syzbot+452ea4fbbef700ff0a56@syzkaller.appspotmail.com
Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver")
Link: https://lore.kernel.org/r/20210517160322.9b8f356c0222.I392cb0e2fa5a1a94cf2e637555d702c7e512c1ff@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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IFF_POINTOPOINT interfaces use NUD_NOARP entries for IPv6. It's possible to
fill up the neighbour table with enough entries that it will overflow for
valid connections after that.
This behaviour is more prevalent after commit 58956317c8de ("neighbor:
Improve garbage collection") is applied, as it prevents removal from
entries that are not NUD_FAILED, unless they are more than 5s old.
Fixes: 58956317c8de (neighbor: Improve garbage collection)
Reported-by: Kasper Dupont <kasperd@gjkwv.06.feb.2021.kasperd.net>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
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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In commit c47cc304990a ("net: kcm: fix memory leak in kcm_sendmsg")
I misunderstood the root case of the memory leak and came up with
completely broken fix.
So, simply revert this commit to avoid GPF reported by
syzbot.
Im so sorry for this situation.
Fixes: c47cc304990a ("net: kcm: fix memory leak in kcm_sendmsg")
Reported-by: syzbot+65badd5e74ec62cb67dc@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.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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When get_module_eeprom_by_page() is not implemented by the driver, NULL
pointer dereference can occur [1].
Fix by testing if get_module_eeprom_by_page() is implemented instead of
get_module_info().
[1]
BUG: kernel NULL pointer dereference, address: 0000000000000000
[...]
CPU: 0 PID: 251 Comm: ethtool Not tainted 5.13.0-rc3-custom-00940-g3822d0670c9d #989
Call Trace:
eeprom_prepare_data+0x101/0x2d0
ethnl_default_doit+0xc2/0x290
genl_family_rcv_msg_doit+0xdc/0x140
genl_rcv_msg+0xd7/0x1d0
netlink_rcv_skb+0x49/0xf0
genl_rcv+0x1f/0x30
netlink_unicast+0x1f6/0x2c0
netlink_sendmsg+0x1f9/0x400
__sys_sendto+0xe1/0x130
__x64_sys_sendto+0x1b/0x20
do_syscall_64+0x3a/0x70
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: c97a31f66ebc ("ethtool: wire in generic SFP module access")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Moshe Shemesh <moshe@nvidia.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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Add description for parameters of htb_add_to_wait_tree() to fix
gcc W=1 warnings:
net/sched/sch_htb.c:308: warning: Function parameter or member 'q' not described in 'htb_add_to_wait_tree'
net/sched/sch_htb.c:308: warning: Function parameter or member 'cl' not described in 'htb_add_to_wait_tree'
net/sched/sch_htb.c:308: warning: Function parameter or member 'delay' not described in 'htb_add_to_wait_tree'
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This nfnl subsystem allows to dump the list of all active netfiler hooks,
e.g. defrag, conntrack, nf/ip/arp/ip6tables and so on.
This helps to see what kind of features are currently enabled in
the network stack.
Sample output from nft tool using this infra:
$ nft list hook ip input
family ip hook input {
+0000000010 nft_do_chain_inet [nf_tables] # nft table firewalld INPUT
+0000000100 nf_nat_ipv4_local_in [nf_nat]
+2147483647 ipv4_confirm [nf_conntrack]
}
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This will allow a followup patch to treat the 'ops->priv' pointer
as nft_chain argument without having to first walk the table/chains
to check if there is a matching base chain pointer.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Currently the aging period for tcp/udp connections is hard coded to
30 seconds. Aged tcp/udp connections configure a hard coded 120/30
seconds pickup timeout for conntrack.
This configuration may be too aggressive or permissive for some users.
Dynamically configure the nf flow table GC timeout intervals according
to the user defined values.
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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UDP connections may be offloaded from nf conntrack to nf flow table.
Offloaded connections are aged after 30 seconds of inactivity.
Once aged, ownership is returned to conntrack with a hard coded pickup
time of 30 seconds, after which the connection may be deleted.
eted. The current aging intervals may be too aggressive for some users.
Provide users with the ability to control the nf flow table offload
aging and pickup time intervals via sysctl parameter as a pre-step for
configuring the nf flow table GC timeout intervals.
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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