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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for net-next, mostly
rather small housekeeping patches:
1) Remove unused variable in IPVS, from GuoYong Zheng.
2) Use memset_after in conntrack, from Kees Cook.
3) Remove leftover function in nfnetlink_queue, from Florian Westphal.
4) Remove redundant test on bool in conntrack, from Bernard Zhao.
5) egress support for nft_fwd, from Lukas Wunner.
6) Make pppoe work for br_netfilter, from Florian Westphal.
7) Remove unused variable in conntrack resize routine, from luo penghao.
* git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next:
netfilter: conntrack: Remove useless assignment statements
netfilter: bridge: add support for pppoe filtering
netfilter: nft_fwd_netdev: Support egress hook
netfilter: ctnetlink: remove useless type conversion to bool
netfilter: nf_queue: remove leftover synchronize_rcu
netfilter: conntrack: Use memset_startat() to zero struct nf_conn
ipvs: remove unused variable for ip_vs_new_dest
====================
Link: https://lore.kernel.org/r/20211215234911.170741-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The old_size assignment here will not be used anymore
The clang_analyzer complains as follows:
Value stored to 'old_size' is never read
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Commit 0976b888a150 ("ethtool: fix null-ptr-deref on ref tracker")
made the write to req_info.dev conditional, but as Eric points out
in a different follow up the structure is often allocated on the
stack and not kzalloc()'d so seems safer to always write the dev,
in case it's garbage on input.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Most notable changes are in af_packet, tipc ones are trivial.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jon Maloy <jmaloy@redhat.com>
Cc: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
mlxsw: Add support for VxLAN with IPv6 underlay
So far, mlxsw only supported VxLAN with IPv4 underlay. This patchset
extends mlxsw to also support VxLAN with IPv6 underlay. The main
difference is related to the way IPv6 addresses are handled by the
device. See patch #1 for a detailed explanation.
Patch #1 creates a common hash table to store the mapping from IPv6
addresses to KVDL indexes. This table is useful for both IP-in-IP and
VxLAN tunnels with an IPv6 underlay.
Patch #2 converts the IP-in-IP code to use the new hash table.
Patches #3-#6 are preparations.
Patch #7 finally adds support for VxLAN with IPv6 underlay.
Patch #8 removes a test case that checked that VxLAN configurations with
IPv6 underlay are vetoed by the driver.
A follow-up patchset will add forwarding selftests.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, there is a test case to verify that VxLAN with IPv6 underlay
is forbidden.
Remove this test case as support for VxLAN with IPv6 underlay was added
by the previous patch.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, mlxsw driver supports VxLAN with IPv4 underlay only.
Add support for IPv6 underlay.
The main differences are:
* Learning is not supported for IPv6 FDB entries, use static entries and
do not allow 'learning' flag for IPv6 VxLAN.
* IPv6 addresses for FDB entries should be saved as part of KVDL.
Use the new API to allocate and release entries for IPv6 addresses.
* Spectrum ASICs do not fill UDP checksum, while in software IPv6 UDP
packets with checksum zero are dropped.
Force the relevant flags which allow the VxLAN device to generate UDP
packets with zero checksum and also receive them.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
FDB entries that perform VxLAN encapsulation with an IPv6 underlay hold
a reference on a resource. Namely, the KVDL entry where the IPv6
underlay destination IP is stored. When such an FDB entry is deleted, it
needs to drop the reference from the corresponding KVDL entry.
To that end, maintain a hash table that maps an FDB entry (i.e., {MAC,
FID}) to the IPv6 address used by it.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a function to fill IPv6 unicast FDB entries. Use the common function
for common fields.
Unlike IPv4 entries, the underlay IP address is not filled in the
register payload, but instead a pointer to KVDL is used.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the function which adds/removes unicast tunnel FDB entries is
shared between IPv4 and IPv6, while for IPv6 it warns because there is
no support for it.
The code for IPv6 will be more complicated because it needs to
allocate/release a KVDL pointer for the underlay IPv6 address.
As a preparation for IPv6 underlay support, split the code according to
address family.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As part of 'can_offload' checks, there is a check of VxLAN flags.
The supported flags for IPv6 VxLAN will be different from the existing
flags because of some limitations.
As preparation for IPv6 underlay support, make this check per address
family.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the common hash table introduced by the previous patch instead of
the IP-in-IP specific implementation.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The device supports forwarding entries such as routes and FDBs that
perform tunnel (e.g., VXLAN, IP-in-IP) encapsulation or decapsulation.
When the underlay is IPv6, these entries do not encode the 128 bit IPv6
address used for encapsulation / decapsulation. Instead, these entries
encode a 24 bit pointer to an array called KVDL where the IPv6 address
is stored.
Currently, only IP-in-IP with IPv6 underlay is supported, but subsequent
patches will add support for VxLAN with IPv6 underlay. To avoid
duplicating the logic required to store and retrieve these IPv6
addresses, introduce a hash table that will store the mapping between
IPv6 addresses and their KVDL index.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Parsing Infrastructure for TC actions:
The series introduce a TC action infrastructure to help
parsing TC actions in a generic way for both FDB and NIC rules.
To help maintain the parsing code of TC actions, we the parsing code to
action parser per action TC type in separate files, instead of having one
big switch case loop, duplicated between FDB and NIC parsers as before this
patchset.
Each TC flow_action->id is represented by a dedicated mlx5e_tc_act handler
which has callbacks to check if the specific action is offload supported and
to parse the specific action.
We move each case (TC action) handling into the specific handler, which is
responsible for parsing and determining if the action is supported.
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Merge tag 'mlx5-updates-2021-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saed Mahameed says:
====================
mlx5-updates-2021-12-14
Parsing Infrastructure for TC actions:
The series introduce a TC action infrastructure to help
parsing TC actions in a generic way for both FDB and NIC rules.
To help maintain the parsing code of TC actions, we the parsing code to
action parser per action TC type in separate files, instead of having one
big switch case loop, duplicated between FDB and NIC parsers as before this
patchset.
Each TC flow_action->id is represented by a dedicated mlx5e_tc_act handler
which has callbacks to check if the specific action is offload supported and
to parse the specific action.
We move each case (TC action) handling into the specific handler, which is
responsible for parsing and determining if the action is supported.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Nguyen says:
====================
100GbE Intel Wired LAN Driver Updates 2021-12-14
This series contains updates to ice driver only.
Haiyue adds support to query hardware for supported PTYPEs.
Jeff changes PTYPE validation to utilize the capabilities queried from
the hardware instead of maintaining a per DDP support list.
Brett refactors promiscuous functions to provide common and clear
interfaces to call for configuration.
Wojciech modifies DDP package load to simplify determining the final
state of the load.
Tony removes the use of ice_status from the driver. This involves
removing string conversion functions, converting variables and values to
standard errors, and clean up. He also removes an unused define.
Dan Carpenter removes unneeded casts.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
1. During normal suspend (WoL not enabled) process, system has posibility
to hang. The root cause is TXF interrupt coming after clocks disabled,
system hang when accessing registers from interrupt handler. To fix this
issue, disable all interrupts when system suspend.
2. System also has posibility to hang with WoL enabled during suspend,
after entering stop mode, then magic pattern coming after clocks
disabled, system will be waked up, and interrupt handler will be called,
system hang when access registers. To fix this issue, disable wakeup
irq in .suspend(), and enable it in .resume().
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support to get mac from device-tree using of_get_ethdev_address.
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to the current implementation of emac_rx, every arrived packet
will be processed in the while loop. So, there is no remain packet last
time. The skb_last field and this branch for dealing with it is
unnecessary.
Signed-off-by: Conley Lee <conleylee@foxmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It seems I missed that most ethnl_parse_header_dev_get() callers
declare an on-stack struct ethnl_req_info, and that they simply call
dev_put(req_info.dev) when about to return.
Add ethnl_parse_header_dev_put() helper to properly untrack
reference taken by ethnl_parse_header_dev_get().
Fixes: e4b8954074f6 ("netlink: add net device refcount tracker to struct ethnl_req_info")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move goto action checks from parse nic/fdb funcs into the tc action
infra goto post parse op.
While moving this part also use NL_SET_ERR_MSG_MOD() instead of
NL_SET_ERR_MSG().
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Move vlan prio tag rewrite handling into tc action infra vlan post parse op.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The post_parse() op should be called after the parse op was called
for all actions. It could be an action state is dependent on other
actions. In the new op an action can fail the parse if the state
is not valid anymore.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
There is no reason to wait with the kmalloc to after parsing all
other actions. There could still be a failure later and before
offloading the rule. So alloc the mem when parsing.
The memory is being released on mlx5e_flow_put() which is called
also on error flow.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Introduce a common function to implement the generic parsing loop.
The same function can be used for parsing NIC and FDB (Switchdev mode) flows.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add parsing support by implementing struct mlx5e_tc_act
for this action.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Add an infrastructure to help parsing tc actions in a generic way.
Supporting an action parser means implementing struct mlx5e_tc_act
for that action.
The infrastructure will give the possibility to be generic when parsing tc
actions, i.e. parse_tc_nic_actions() and parse_tc_fdb_actions().
To parse tc actions a user needs to allocate a parse_state instance
and pass it when iterating over the tc actions parsers.
If a parser doesn't exists then a user can treat it as unsupported.
To add an action parser a user needs to implement two callbacks.
The can_offload() callback to quickly check if an action can be offloaded.
The parse_action() callback to do actual parsing and prepare for offload.
Add implementation for drop, trap, mark and accept action parsers with this
commit to act as examples and implement usage of the new infrastructure for
those actions.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Kurt Kanzenbach says:
====================
net: dsa: hellcreek: Fix handling of MGMT protocols
this series fixes some minor issues with regards to management protocols
such as PTP and STP in the hellcreek DSA driver. Configure static FDB
for these protocols. The end result is:
|root@tsn:~# mv88e6xxx_dump --atu
|Using device <platform/ff240000.switch>
|ATU:
|FID MAC 0123 Age OBT Pass Static Reprio Prio
| 0 01:1b:19:00:00:00 1100 1 X X 6
| 1 01:00:5e:00:01:81 1100 1 X X 6
| 2 33:33:00:00:01:81 1100 1 X X 6
| 3 01:80:c2:00:00:0e 1100 1 X X X 6
| 4 01:00:5e:00:00:6b 1100 1 X X X 6
| 5 33:33:00:00:00:6b 1100 1 X X X 6
| 6 01:80:c2:00:00:00 1100 1 X X X 6
Previous version:
* https://lore.kernel.org/r/20211213101810.121553-1-kurt@linutronix.de/
Changes since v1:
* Target net-next, as this never worked correctly and is not critical
* Add STP and PTP over UDP rules
* Use pass_blocked for PDelay messages only (Richard Cochran)
====================
Link: https://lore.kernel.org/r/20211214134508.57806-1-kurt@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The switch supports PTP for UDP transport too. Therefore, add the missing static
FDB entries to ensure correct forwarding of these packets.
Fixes: ddd56dfe52c9 ("net: dsa: hellcreek: Add PTP clock support")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Allow PTP peer delay measurements on blocked ports by STP. In case of topology
changes the PTP stack can directly start with the correct delays.
Fixes: ddd56dfe52c9 ("net: dsa: hellcreek: Add PTP clock support")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Treat STP as management traffic. STP traffic is designated for the CPU port
only. In addition, STP traffic has to pass blocked ports.
Fixes: e4b27ebc780f ("net: dsa: Add DSA driver for Hirschmann Hellcreek switches")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The insertion of static FDB entries ignores the pass_blocked bit. That bit is
evaluated with regards to STP. Add the missing functionality.
Fixes: e4b27ebc780f ("net: dsa: Add DSA driver for Hirschmann Hellcreek switches")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The "bitmap" variable is already an unsigned long so there is no need
for this cast.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
As all functions now return standard error codes, propagate the values
being returned instead of converting them to generic values.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
ice_status previously had a variable to contain these values where other
error codes had a variable as well. With ice_status now being an int,
there is no need for two variables to hold error values. In cases where
this occurs, remove one of the excess variables and use a single one.
Some initialization of variables are no longer needed and have been
removed.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Clean up code after changing ice_status to int. Rearrange to fix reverse
Christmas tree and pull lines up where applicable.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Replace uses of ice_status to, as equivalent as possible, error codes.
Remove enum ice_status and its helper conversion function as they are no
longer needed.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
