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For wmediumd/virtio, handle both the RX channel for links,
as well as the link addresses when links are added/removed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When inserting a link STA, make sure it doesn't exist first
and add lockdep assertions that we cannot modify the hash
table without holding the sta_mtx, so this check is really
correct.
Also return without hashing if the driver failed, and warn
if the hashing fails, which shouldn't happen due to the
check described above.
Fixes: cb71f1d136a6 ("wifi: mac80211: add sta link addition/removal")
Fixes: ba6ddab94fc6 ("wifi: mac80211: maintain link-sta hash table")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We need to copy the address to both the private and public
portion of the link_sta (the private one is needed for the
hash table). Fix this.
Fixes: bbe90107e1d9 ("wifi: mac80211: mlme: refactor link station setup")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Clarify the link ID behaviour in control port TX, we need it
to select the link to transmit on for both MLD and non-MLD
receivers, but select the link address as the SA only if the
receiver is not an MLD.
Fixes: 67207bab9341 ("wifi: cfg80211/mac80211: Support control port TX from specific link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the frame is going to be dropped anyway because
ieee80211_lookup_ra_sta() returned an error (and
even though it's a bit racy, it will likely continue
to do so), return the error out instead of just
silently dropping the frame.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We always need the MLD address and link ID to add or
modify the link STA, so require it in the API.
Fixes: 577e5b8c3924 ("wifi: cfg80211: add API to add/modify/remove a link station")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add more sanity checks to the API handling, we shouldn't
be able to create a station without links, nor should we
be able to add a link to a station that wasn't created as
an MLD with links in the first place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are two issues here: we unhash the link stations only
directly before freeing the station they belong to, and we
also don't unhash all the links correctly in all cases. Fix
these issues.
Fixes: ba6ddab94fc6 ("wifi: mac80211: maintain link-sta hash table")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When modifying a link station, validate that the link address
doesn't change, except the first time the link is created.
Fixes: b95eb7f0eee4 ("wifi: cfg80211/mac80211: separate link params from station params")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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At this point, we've already changed link_id to be zero for
a non-MLO connection, so use the 'mlo' variable rather than
link ID to determine the MLO status of the station.
Fixes: bd363ee53302 ("wifi: mac80211: mlme: set sta.mlo correctly")
Fixes: 81151ce462e5 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If there's a non-MLO client, the A2 must be set to the BSSID
of the link since no translation will happen in lower layers
and it's needed that way for encryption.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are two issues here: we need to do the translation
even in case mac80211 selected a link, and we should only
translate the A3 if it's the BSSID. Fix both.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We should only translate addr3 here if it's the BSSID.
Fixes: 42fb9148c078 ("wifi: mac80211: do link->MLD address translation on RX")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we have a non-MLD STA on an AP MLD, we crash while
adding the station. Fix that, in this case we need to
use the STA's address also on the link data structure.
Fixes: f36fe0a2df03 ("wifi: mac80211: fix up link station creation/insertion")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In my previous changes here, I neglected to take the old
conn_flags into account that might still be present from
the authentication, and thus ieee80211_setup_assoc_link()
can misbehave, as well as the override calculation being
wrong. Fix that by ORing in the old flags.
Fixes: 1845c1d4a455 ("wifi: mac80211: mlme: refactor assoc link setup")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In a few places we need to use the AP (MLD) address, not the
deflink BSSID, the link address translation will happen later.
To make that work properly for fast-xmit, set up the ap_addr
in the vif.cfg earlier.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This patch adds missing includes to headers under include/net.
All these problems are currently masked by the existing users
including the missing dependency before the broken header.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Edward Cree says:
====================
sfc: VF representors for EF100
This series adds representor netdevices for EF100 VFs, as a step towards
supporting TC offload and vDPA usecases in future patches.
In this first series is basic netdevice creation and packet TX; the
following series will add the RX path.
v3: dropped massive mcdi_pcol.h patch which was applied separately.
v2: converted comments on struct efx_nic members added in patch #4 to
kernel-doc (Jakub). While at it, also gave struct efx_rep its own kdoc
since several members had comments on them.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since representors piggy-back on the PF's queues for TX, they can
only accept new TXes while the PF is up. Thus, any operation which
detaches the PF must first detach all its VFreps.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement .ndo_start_xmit() by calling into the parent PF's TX path.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A non-null efv in __ef100_enqueue_skb() indicates that the packet is
from that representor, should be transmitted with a suitable option
descriptor (to instruct the switch to deliver it to the representee),
and should not be accounted to the parent PF's stats or BQL.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An MAE port, or m-port, is a port (source/destination for traffic) on
the Match-Action Engine (the internal switch on EF100).
Representors will use their representee's m-port for two purposes: as
a destination override on TX from the representor, and as a source
match in 'default rules' to steer representee traffic (when not
matched by e.g. a TC flower rule) to representor RX via the parent
PF's receive queue.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Requires storing VF index in struct efx_rep.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No net_device_ops yet, just a placeholder netdev created per VF.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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One PCIe function per network port (more precisely, per m-port group) is
responsible for configuring the Match-Action Engine which performs
switching and packet modification in the slice to support flower/OVS
offload. The GRP_MAE bit in the privilege mask indicates whether a
given function has this capability.
At probe time, call MCDIs to read the calling function's privilege mask,
and store the GRP_MAE bit in a new ef100_nic_data member.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ping sockets don't appear to make any attempt to preserve flow labels
created and set by userspace using IPV6_FLOWINFO_SEND. Instead they are
clobbered by autolabels (if enabled) or zero.
Grab the flowlabel out of the msghdr similar to how rawv6_sendmsg does
it and move the memset up so it doesn't get zeroed after.
Signed-off-by: Alan Brady <alan.brady@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The open code which is netif_is_bridge_port() || netif_is_ovs_port() is
defined as a new helper function on netdev.h like netif_is_any_bridge_port
that can check both IFF flags in 1 go. So use netif_is_any_bridge_port()
function instead of open code. This patch doesn't change logic.
Signed-off-by: Juhee Kang <claudiajkang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The open code which is netif_is_bridge_port() || netif_is_ovs_port() is
defined as a new helper function on netdev.h like netif_is_any_bridge_port
that can check both IFF flags in 1 go. So use netif_is_any_bridge_port()
function instead of open code. This patch doesn't change logic.
Signed-off-by: Juhee Kang <claudiajkang@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Kumar Kartikeya Dwivedi says:
====================
Introduce the following new kfuncs:
- bpf_{xdp,skb}_ct_alloc
- bpf_ct_insert_entry
- bpf_ct_{set,change}_timeout
- bpf_ct_{set,change}_status
The setting of timeout and status on allocated or inserted/looked up CT
is same as the ctnetlink interface, hence code is refactored and shared
with the kfuncs. It is ensured allocated CT cannot be passed to kfuncs
that expected inserted CT, and vice versa. Please see individual patches
for details.
Changelog:
----------
v6 -> v7:
v6: https://lore.kernel.org/bpf/20220719132430.19993-1-memxor@gmail.com
* Use .long to encode flags (Alexei)
* Fix description of KF_RET_NULL in documentation (Toke)
v5 -> v6:
v5: https://lore.kernel.org/bpf/20220623192637.3866852-1-memxor@gmail.com
* Introduce kfunc flags, rework verifier to work with them
* Add documentation for kfuncs
* Add comment explaining TRUSTED_ARGS kfunc flag (Alexei)
* Fix missing offset check for trusted arguments (Alexei)
* Change nf_conntrack test minimum delta value to 8
v4 -> v5:
v4: https://lore.kernel.org/bpf/cover.1653600577.git.lorenzo@kernel.org
* Drop read-only PTR_TO_BTF_ID approach, use struct nf_conn___init (Alexei)
* Drop acquire release pair code that is no longer required (Alexei)
* Disable writes into nf_conn, use dedicated helpers (Florian, Alexei)
* Refactor and share ctnetlink code for setting timeout and status
* Do strict type matching on finding __ref suffix on argument to
prevent passing nf_conn___init as nf_conn (offset = 0, match on walk)
* Remove bpf_ct_opts parameter from bpf_ct_insert_entry
* Update selftests for new additions, add more negative tests
v3 -> v4:
v3: https://lore.kernel.org/bpf/cover.1652870182.git.lorenzo@kernel.org
* split bpf_xdp_ct_add in bpf_xdp_ct_alloc/bpf_skb_ct_alloc and
bpf_ct_insert_entry
* add verifier code to properly populate/configure ct entry
* improve selftests
v2 -> v3:
v2: https://lore.kernel.org/bpf/cover.1652372970.git.lorenzo@kernel.org
* add bpf_xdp_ct_add and bpf_ct_refresh_timeout kfunc helpers
* remove conntrack dependency from selftests
* add support for forcing kfunc args to be referenced and related selftests
v1 -> v2:
v1: https://lore.kernel.org/bpf/1327f8f5696ff2bc60400e8f3b79047914ccc837.1651595019.git.lorenzo@kernel.org
* add bpf_ct_refresh_timeout kfunc selftest
Kumar Kartikeya Dwivedi (10):
bpf: Introduce 8-byte BTF set
tools/resolve_btfids: Add support for 8-byte BTF sets
bpf: Switch to new kfunc flags infrastructure
bpf: Add support for forcing kfunc args to be trusted
bpf: Add documentation for kfuncs
net: netfilter: Deduplicate code in bpf_{xdp,skb}_ct_lookup
net: netfilter: Add kfuncs to set and change CT timeout
selftests/bpf: Add verifier tests for trusted kfunc args
selftests/bpf: Add negative tests for new nf_conntrack kfuncs
selftests/bpf: Fix test_verifier failed test in unprivileged mode
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Loading the BTF won't be permitted without privileges, hence only test
for privileged mode by setting the prog type. This makes the
test_verifier show 0 failures when unprivileged BPF is enabled.
Fixes: 41188e9e9def ("selftest/bpf: Test for use-after-free bug fix in inline_bpf_loop")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-14-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test cases we care about and ensure improper usage is caught and
rejected by the verifier.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-13-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Introduce selftests for the following kfunc helpers:
- bpf_xdp_ct_alloc
- bpf_skb_ct_alloc
- bpf_ct_insert_entry
- bpf_ct_set_timeout
- bpf_ct_change_timeout
- bpf_ct_set_status
- bpf_ct_change_status
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-12-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Make sure verifier rejects the bad cases and ensure the good case keeps
working. The selftests make use of the bpf_kfunc_call_test_ref kfunc
added in the previous patch only for verification.
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-11-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Introduce bpf_ct_set_status and bpf_ct_change_status kfunc helpers in
order to set nf_conn field of allocated entry or update nf_conn status
field of existing inserted entry. Use nf_ct_change_status_common to
share the permitted status field changes between netlink and BPF side
by refactoring ctnetlink_change_status.
It is required to introduce two kfuncs taking nf_conn___init and nf_conn
instead of sharing one because KF_TRUSTED_ARGS flag causes strict type
checking. This would disallow passing nf_conn___init to kfunc taking
nf_conn, and vice versa. We cannot remove the KF_TRUSTED_ARGS flag as we
only want to accept refcounted pointers and not e.g. ct->master.
Hence, bpf_ct_set_* kfuncs are meant to be used on allocated CT, and
bpf_ct_change_* kfuncs are meant to be used on inserted or looked up
CT entry.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-10-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Introduce bpf_ct_set_timeout and bpf_ct_change_timeout kfunc helpers in
order to change nf_conn timeout. This is same as ctnetlink_change_timeout,
hence code is shared between both by extracting it out to
__nf_ct_change_timeout. It is also updated to return an error when it
sees IPS_FIXED_TIMEOUT_BIT bit in ct->status, as that check was missing.
It is required to introduce two kfuncs taking nf_conn___init and nf_conn
instead of sharing one because KF_TRUSTED_ARGS flag causes strict type
checking. This would disallow passing nf_conn___init to kfunc taking
nf_conn, and vice versa. We cannot remove the KF_TRUSTED_ARGS flag as we
only want to accept refcounted pointers and not e.g. ct->master.
Apart from this, bpf_ct_set_timeout is only called for newly allocated
CT so it doesn't need to inspect the status field just yet. Sharing the
helpers even if it was possible would make timeout setting helper
sensitive to order of setting status and timeout after allocation.
Hence, bpf_ct_set_* kfuncs are meant to be used on allocated CT, and
bpf_ct_change_* kfuncs are meant to be used on inserted or looked up
CT entry.
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-9-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Introduce bpf_xdp_ct_alloc, bpf_skb_ct_alloc and bpf_ct_insert_entry
kfuncs in order to insert a new entry from XDP and TC programs.
Introduce bpf_nf_ct_tuple_parse utility routine to consolidate common
code.
We extract out a helper __nf_ct_set_timeout, used by the ctnetlink and
nf_conntrack_bpf code, extract it out to nf_conntrack_core, so that
nf_conntrack_bpf doesn't need a dependency on CONFIG_NF_CT_NETLINK.
Later this helper will be reused as a helper to set timeout of allocated
but not yet inserted CT entry.
The allocation functions return struct nf_conn___init instead of
nf_conn, to distinguish allocated CT from an already inserted or looked
up CT. This is later used to enforce restrictions on what kfuncs
allocated CT can be used with.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-8-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Move common checks inside the common function, and maintain the only
difference the two being how to obtain the struct net * from ctx.
No functional change intended.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-7-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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As the usage of kfuncs grows, we are starting to form consensus on the
kinds of attributes and annotations that kfuncs can have. To better help
developers make sense of the various options available at their disposal
to present an unstable API to the BPF users, document the various kfunc
flags and annotations, their expected usage, and explain the process of
defining and registering a kfunc set.
Cc: KP Singh <kpsingh@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-6-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Teach the verifier to detect a new KF_TRUSTED_ARGS kfunc flag, which
means each pointer argument must be trusted, which we define as a
pointer that is referenced (has non-zero ref_obj_id) and also needs to
have its offset unchanged, similar to how release functions expect their
argument. This allows a kfunc to receive pointer arguments unchanged
from the result of the acquire kfunc.
This is required to ensure that kfunc that operate on some object only
work on acquired pointers and not normal PTR_TO_BTF_ID with same type
which can be obtained by pointer walking. The restrictions applied to
release arguments also apply to trusted arguments. This implies that
strict type matching (not deducing type by recursively following members
at offset) and OBJ_RELEASE offset checks (ensuring they are zero) are
used for trusted pointer arguments.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-5-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Instead of populating multiple sets to indicate some attribute and then
researching the same BTF ID in them, prepare a single unified BTF set
which indicates whether a kfunc is allowed to be called, and also its
attributes if any at the same time. Now, only one call is needed to
perform the lookup for both kfunc availability and its attributes.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-4-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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A flag is a 4-byte symbol that may follow a BTF ID in a set8. This is
used in the kernel to tag kfuncs in BTF sets with certain flags. Add
support to adjust the sorting code so that it passes size as 8 bytes
for 8-byte BTF sets.
Cc: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220721134245.2450-3-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Introduce support for defining flags for kfuncs using a new set of
macros, BTF_SET8_START/BTF_SET8_END, which define a set which contains
8 byte elements (each of which consists of a pair of BTF ID and flags),
using a new BTF_ID_FLAGS macro.
This will be used to tag kfuncs registered for a certain program type
as acquire, release, sleepable, ret_null, etc. without having to create
more and more sets which was proving to be an unscalable solution.
Now, when looking up whether a kfunc is allowed for a certain program,
we can also obtain its kfunc flags in the same call and avoid further
lookups.
The resolve_btfids change is split into a separate patch.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-2-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The accept_untracked_na sysctl changed from a boolean to an integer
when a new knob '2' was added. This patch provides a safeguard to avoid
accepting values that are not defined in the sysctl. When setting a
value greater than 2, the user will get an 'invalid argument' warning.
Fixes: aaa5f515b16b ("net: ipv6: new accept_untracked_na option to accept na only if in-network")
Signed-off-by: Jaehee Park <jhpark1013@gmail.com>
Suggested-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Suggested-by: Roopa Prabhu <roopa@nvidia.com>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20220720183632.376138-1-jhpark1013@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a test for recv timeout. Place it in the tls_err
group, so it only runs for TLS 1.2 and 1.3 but not
for every AEAD out there.
Link: https://lore.kernel.org/r/20220720203701.2179034-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Eric reports we should release the socket lock if the entire
"grab reader lock" operation has failed. The callers assume
they don't have to release it or otherwise unwind.
Reported-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot+16e72110feb2b653ef27@syzkaller.appspotmail.com
Fixes: 4cbc325ed6b4 ("tls: rx: allow only one reader at a time")
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220720203701.2179034-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
can-next 2022-07-21
The patch is by Vincent Mailhol and fixes a use on an uninitialized
variable in the pch_can driver (introduced in last pull request to
net-next).
* tag 'linux-can-next-for-5.20-20220721' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: pch_can: pch_can_error(): initialize errc before using it
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Link: https://lore.kernel.org/r/20220721163042.3448384-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This fixes using hci_conn_abort instead of using hci_conn_abort_sync.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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If a command cannot be sent or there is a internal error an errno maybe
set instead of a command status.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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