- 26 Feb, 2022 6 commits
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Jakub Kicinski authored
Matt Johnston says: ==================== Small fixes for MCTP This series has 3 fixes for MCTP. ==================== Link: https://lore.kernel.org/r/20220225053938.643605-1-matt@codeconstruct.com.auSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Matt Johnston authored
We should be testing the length before fitting into the u8 byte_count. This is just a sanity check, the MCTP stack should have limited to MTU which is checked, and we check consistency later in mctp_i2c_xmit(). Found by Smatch mctp_i2c_header_create() warn: impossible condition '(hdr->byte_count > 255) => (0-255 > 255)' Signed-off-by:Matt Johnston <matt@codeconstruct.com.au> Signed-off-by:
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Matt Johnston authored
The skb is handed off to netif_rx() which may free it. Found by Smatch. Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Matt Johnston authored
Previously if an unregister notify handler ran twice (waiting for netdev to be released) it would print a warning in mctp_unregister() every subsequent time the unregister notify occured. Instead we only need to worry about the case where a mctp_ptr is set on an unknown device type. Signed-off-by:
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Wong Vee Khee authored
Intel AlderLake-S platform is capable of running on 2.5GBps link speed. This patch enables 2.5Gbps link speed on AlderLake-S platform. Signed-off-by:
Wong Vee Khee <vee.khee.wong@linux.intel.com> Link: https://lore.kernel.org/r/20220225023325.474242-1-vee.khee.wong@linux.intel.comSigned-off-by:
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Colin Ian King authored
Currently an invalid port throws a WARN_ON warning however invalid uninitialized values in reg and cpu_port_index are being used later on. Fix this by returning -EINVAL for an invalid port value. Addresses clang-scan warnings: drivers/net/dsa/qca8k.c:1981:3: warning: 2nd function call argument is an uninitialized value [core.CallAndMessage] drivers/net/dsa/qca8k.c:1999:9: warning: 2nd function call argument is an uninitialized value [core.CallAndMessage] Fixes: 7544b3ff ("net: dsa: qca8k: move pcs configuration") Signed-off-by:
Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20220224220557.147075-1-colin.i.king@gmail.comSigned-off-by:
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- 25 Feb, 2022 33 commits
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David S. Miller authored
Russell King says: ==================== net: dsa: sja1105: phylink updates This series updates the phylink implementation in sja1105 to use the supported_interfaces bitmap, convert to the mac_select_pcs() interface, mark as non-legacy, and get rid of the validation method. As a final step, enable switching between SGMII and 2500BASE-X as it is a feature that Vladimir desires. Specifically, the patches in this series: 1. Populates the supported_interfaces bitmap. 2. As a result of the supported_interfaces bitmap being populated, sja1105 no longer needs to check the interface mode as phylink will do this. 3. Switch away from using phylink_set_pcs(), using the mac_select_pcs() method instead. 4. Mark the driver as not-legacy 5. Fill in mac_capabilities using _exactly_ the same conditions as is currently used to decide which link modes to support, and convert to use phylink_generic_validate() 6. Add brand new support to permit switching between SGMII and 2500BASE-X modes of operation as per Vladimir's single patch that performs steps 1, 2, 5 and 6 in one go. There are some additional changes in Vladimir's single patch that I have not included: * validation of priv->phy_mode[] in sja1105_phylink_get_caps(). The driver has already validated the phy_mode for each port in sja1105_init_mii_settings(), and a failure here will prevent the driver reaching sja1105_phylink_get_caps(). * Changing the decisions on which mac_capabilities to set. Vladimir's patch always sets MAC_10FD | MAC_100FD | MAC_1000FD despite the current code clearly making the 1G speed conditional on the xmii_mode for the port. The change in decision making may be visible when in PHY_INTERFACE_MODE_INTERNAL mode, for which the phylink_generic_validate() will pass through all the MAC capabilities as ethtool link modes. Hence, if we have PHY_INTERFACE_MODE_INTERNAL but supports_rgmii[] or supports_sgmii[] is non-zero, currently we do not get 1G speeds. With Vladimir's additional change, we will get 1G speeds. While it is not clear whether that can happen, I feel changing the decision making should be a separate patch. * The decision for MAC_2500FD is made differently - sja1105_init_mii_settings() allows PHY_INTERFACE_MODE_2500BASEX when supports_2500basex[] is non-zero, and is not based on any other condition such as supports_sgmii[] or supports_rgmii[]. Vladimir's patch makes it additionally conditional on those supports_.gmii[] settings, which is a functional change that should be made in a separate patch - and if desired, then sja1105_init_mii_settings() should also be updated at the same time. Consequently, I believe that my previous objections to Vladimir's single patch approach are well founded and justified, even through Vladimir is the maintainer of this driver. I have no objection to the additional changes, I just don't think they should all be wrapped up into a single patch that converts the way validation is done _and_ also makes a bunch of other functional changes. RFC->non-RFC: added Vladimir's Reviewed-by's, fixed the typo in the commit message of patch 6, and removed the phrase at the end of a comment as requested. ==================== Signed-off-by:David S. Miller <davem@davemloft.net>
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Russell King (Oracle) authored
Vladimir Oltean suggests that sja1105 can support switching between SGMII and 2500BASE-X modes. Augment sja1105_phylink_get_caps() to fill in both interface modes if they can be supported. Signed-off-by:
Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by:
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Russell King (Oracle) authored
Populate the MAC capabilities for the SJA1105 DSA switch using the same decision making which sja1105_phylink_validate() uses. Remove the now obsolete sja1105_phylink_validate() implementation to allow DSA to use phylink_generic_validate() for this switch driver. As noted by Vladimir, this fixes an inconsequential bug which allowed gigabit and lower interface modes to be indicated when operating in 2500base-X mode. Reviewed-by:
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Russell King (Oracle) authored
The sja1105 DSA driver does not have a phylink_mac_config() method implementation, it is safe to mark this as a non-legacy driver. Reviewed-by:
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Russell King (Oracle) authored
Convert the PCS selection to use mac_select_pcs, which allows the PCS to perform any validation it needs, and removes the need to set the PCS in the mac_config() callback, delving into the higher DSA levels to do so. Reviewed-by:
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Russell King (Oracle) authored
When the supported interfaces bitmap is populated, phylink will itself check that the interface mode is present in this bitmap. Drivers no longer need to perform this check themselves. Remove these checks. Reviewed-by:
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Russell King (Oracle) authored
Populate the supported interfaces bitmap for the SJA1105 DSA switch. This switch only supports a static model of configuration, so we restrict the interface modes to the configured setting. Reviewed-by:
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Toms Atteka authored
This change adds a new OpenFlow field OFPXMT_OFB_IPV6_EXTHDR and packets can be filtered using ipv6_ext flag. Signed-off-by:
Toms Atteka <cpp.code.lv@gmail.com> Acked-by:
Pravin B Shelar <pshelar@ovn.org> Signed-off-by:
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Jakub Kicinski authored
Simon Horman says: ==================== nfp: flow-independent tc action hardware offload Baowen Zheng says: Allow nfp NIC to offload tc actions independent of flows. The motivation for this work is to offload tc actions independent of flows for nfp NIC. We allow nfp driver to provide hardware offload of OVS metering feature - which calls for policers that may be used by multiple flows and whose lifecycle is independent of any flows that use them. When nfp driver tries to offload a flow table using the independent action, the driver will search if the action is already offloaded to the hardware. If not, the flow table offload will fail. When the nfp NIC successes to offload an action, the user can check in_hw_count when dumping the tc action. Tc cli command to offload and dump an action: # tc actions add action police rate 100mbit burst 10000k index 200 skip_sw # tc -s -d actions list action police total acts 1 action order 0: police 0xc8 rate 100Mbit burst 10000Kb mtu 2Kb action reclassify overhead 0b linklayer ethernet ref 1 bind 0 installed 142 sec used 0 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 skip_sw in_hw in_hw_count 1 used_hw_stats delayed ==================== Link: https://lore.kernel.org/r/20220223162302.97609-1-simon.horman@corigine.comSigned-off-by: -
Baowen Zheng authored
Add NFP_FL_FEATS_QOS_METER to host features to enable meter offload in driver. Before adding this feature, we will not offload any police action since we will check the host features before offloading any police action. Signed-off-by:
Baowen Zheng <baowen.zheng@corigine.com> Signed-off-by:
Louis Peens <louis.peens@corigine.com> Signed-off-by:
Simon Horman <simon.horman@corigine.com> Signed-off-by:
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Baowen Zheng authored
Offload flow table if the action is already offloaded to hardware when flow table uses this action. Change meter id to type of u32 to support all the action index. Signed-off-by:
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Baowen Zheng authored
Add a process to update action stats from hardware. This stats data will be updated to tc action when dumping actions or filters. Signed-off-by:
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Baowen Zheng authored
Add a hash table to store meter table. This meter table will also be used by flower action. Signed-off-by:
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Baowen Zheng authored
Add process to offload tc action to hardware. Currently we only support to offload police action. Add meter capability to check if firmware supports meter offload. Signed-off-by:
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Baowen Zheng authored
Add an policer API to support ingress/egress meter. Change ingress police to compatible with the new API. Signed-off-by:
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Dmitry Safonov authored
The functions do essentially the same work to verify TCP-MD5 sign. Code can be merged into one family-independent function in order to reduce copy'n'paste and generated code. Later with TCP-AO option added, this will allow to create one function that's responsible for segment verification, that will have all the different checks for MD5/AO/non-signed packets, which in turn will help to see checks for all corner-cases in one function, rather than spread around different families and functions. Cc: Eric Dumazet <edumazet@google.com> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Signed-off-by:
Dmitry Safonov <dima@arista.com> Reviewed-by:
David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20220223175740.452397-1-dima@arista.comSigned-off-by:
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Jakub Kicinski authored
Vladimir Oltean says: ==================== FDB entries on DSA LAG interfaces This work permits having static and local FDB entries on LAG interfaces that are offloaded by DSA ports. New API needs to be introduced in drivers. To maintain consistency with the bridging offload code, I've taken the liberty to reorganize the data structures added by Tobias in the DSA core a little bit. Tested on NXP LS1028A (felix switch). Would appreciate feedback/testing on other platforms too. Testing procedure was the one described here: https://patchwork.kernel.org/project/netdevbpf/cover/20210205130240.4072854-1-vladimir.oltean@nxp.com/ with this script: ip link del bond0 ip link add bond0 type bond mode 802.3ad ip link set swp1 down && ip link set swp1 master bond0 && ip link set swp1 up ip link set swp2 down && ip link set swp2 master bond0 && ip link set swp2 up ip link del br0 ip link add br0 type bridge && ip link set br0 up ip link set br0 arp off ip link set bond0 master br0 && ip link set bond0 up ip link set swp0 master br0 && ip link set swp0 up ip link set dev bond0 type bridge_slave flood off learning off bridge fdb add dev bond0 <mac address of other eno0> master static I'm noticing a problem in 'bridge fdb dump' with the 'self' entries, and I didn't solve this. On Ocelot, an entry learned on a LAG is reported as being on the first member port of it (so instead of saying 'self bond0', it says 'self swp1'). This is better than not seeing the entry at all, but when DSA queries for the FDBs on a port via ds->ops->port_fdb_dump, it never queries for FDBs on a LAG. Not clear what we should do there, we aren't in control of the ->ndo_fdb_dump of the bonding/team drivers. Alternatively, we could just consider the 'self' entries reported via ndo_fdb_dump as "better than nothing", and concentrate on the 'master' entries that are in sync with the bridge when packets are flooded to software. ==================== Link: https://lore.kernel.org/r/20220223140054.3379617-1-vladimir.oltean@nxp.comSigned-off-by:
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Vladimir Oltean authored
This adds the logic in the Felix DSA driver and Ocelot switch library. For Ocelot switches, the DEST_IDX that is the output of the MAC table lookup is a logical port (equal to physical port, if no LAG is used, or a dynamically allocated number otherwise). The allocation we have in place for LAG IDs is different from DSA's, so we can't use that: - DSA allocates a continuous range of LAG IDs starting from 1 - Ocelot appears to require that physical ports and LAG IDs are in the same space of [0, num_phys_ports), and additionally, ports that aren't in a LAG must have physical port id == logical port id The implication is that an FDB entry towards a LAG might need to be deleted and reinstalled when the LAG ID changes. Signed-off-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
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Vladimir Oltean authored
This change introduces support for installing static FDB entries towards a bridge port that is a LAG of multiple DSA switch ports, as well as support for filtering towards the CPU local FDB entries emitted for LAG interfaces that are bridge ports. Conceptually, host addresses on LAG ports are identical to what we do for plain bridge ports. Whereas FDB entries _towards_ a LAG can't simply be replicated towards all member ports like we do for multicast, or VLAN. Instead we need new driver API. Hardware usually considers a LAG to be a "logical port", and sets the entire LAG as the forwarding destination. The physical egress port selection within the LAG is made by hashing policy, as usual. To represent the logical port corresponding to the LAG, we pass by value a copy of the dsa_lag structure to all switches in the tree that have at least one port in that LAG. To illustrate why a refcounted list of FDB entries is needed in struct dsa_lag, it is enough to say that: - a LAG may be a bridge port and may therefore receive FDB events even while it isn't yet offloaded by any DSA interface - DSA interfaces may be removed from a LAG while that is a bridge port; we don't want FDB entries lingering around, but we don't want to remove entries that are still in use, either For all the cases below to work, the idea is to always keep an FDB entry on a LAG with a reference count equal to the DSA member ports. So: - if a port joins a LAG, it requests the bridge to replay the FDB, and the FDB entries get created, or their refcount gets bumped by one - if a port leaves a LAG, the FDB replay deletes or decrements refcount by one - if an FDB is installed towards a LAG with ports already present, that entry is created (if it doesn't exist) and its refcount is bumped by the amount of ports already present in the LAG echo "Adding FDB entry to bond with existing ports" ip link del bond0 ip link add bond0 type bond mode 802.3ad ip link set swp1 down && ip link set swp1 master bond0 && ip link set swp1 up ip link set swp2 down && ip link set swp2 master bond0 && ip link set swp2 up ip link del br0 ip link add br0 type bridge ip link set bond0 master br0 bridge fdb add dev bond0 00:01:02:03:04:05 master static ip link del br0 ip link del bond0 echo "Adding FDB entry to empty bond" ip link del bond0 ip link add bond0 type bond mode 802.3ad ip link del br0 ip link add br0 type bridge ip link set bond0 master br0 bridge fdb add dev bond0 00:01:02:03:04:05 master static ip link set swp1 down && ip link set swp1 master bond0 && ip link set swp1 up ip link set swp2 down && ip link set swp2 master bond0 && ip link set swp2 up ip link del br0 ip link del bond0 echo "Adding FDB entry to empty bond, then removing ports one by one" ip link del bond0 ip link add bond0 type bond mode 802.3ad ip link del br0 ip link add br0 type bridge ip link set bond0 master br0 bridge fdb add dev bond0 00:01:02:03:04:05 master static ip link set swp1 down && ip link set swp1 master bond0 && ip link set swp1 up ip link set swp2 down && ip link set swp2 master bond0 && ip link set swp2 up ip link set swp1 nomaster ip link set swp2 nomaster ip link del br0 ip link del bond0 Signed-off-by:
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Vladimir Oltean authored
When switchdev_handle_fdb_event_to_device() replicates a FDB event emitted for the bridge or for a LAG port and DSA offloads that, we should notify back to switchdev that the FDB entry on the original device is what was offloaded, not on the DSA slave devices that the event is replicated on. Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Vladimir Oltean authored
By construction, the struct net_device *dev passed to dsa_slave_switchdev_event_work() via struct dsa_switchdev_event_work is always a DSA slave device. Therefore, it is redundant to pass struct dsa_switch and int port information in the deferred work structure. This can be retrieved at all times from the provided struct net_device via dsa_slave_to_port(). For the same reason, we can drop the dsa_is_user_port() check in dsa_fdb_offload_notify(). Signed-off-by:
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Vladimir Oltean authored
When the switchdev_handle_fdb_event_to_device() event replication helper was created, my original thought was that FDB events on LAG interfaces should most likely be special-cased, not just replicated towards all switchdev ports beneath that LAG. So this replication helper currently does not recurse through switchdev lower interfaces of LAG bridge ports, but rather calls the lag_mod_cb() if that was provided. No switchdev driver uses this helper for FDB events on LAG interfaces yet, so that was an assumption which was yet to be tested. It is certainly usable for that purpose, as my RFC series shows: https://patchwork.kernel.org/project/netdevbpf/cover/20220210125201.2859463-1-vladimir.oltean@nxp.com/ however this approach is slightly convoluted because: - the switchdev driver gets a "dev" that isn't its own net device, but rather the LAG net device. It must call switchdev_lower_dev_find(dev) in order to get a handle of any of its own net devices (the ones that pass check_cb). - in order for FDB entries on LAG ports to be correctly refcounted per the number of switchdev ports beneath that LAG, we haven't escaped the need to iterate through the LAG's lower interfaces. Except that is now the responsibility of the switchdev driver, because the replication helper just stopped half-way. So, even though yes, FDB events on LAG bridge ports must be special-cased, in the end it's simpler to let switchdev_handle_fdb_* just iterate through the LAG port's switchdev lowers, and let the switchdev driver figure out that those physical ports are under a LAG. The switchdev_handle_fdb_event_to_device() helper takes a "foreign_dev_check" callback so it can figure out whether @dev can autonomously forward to @foreign_dev. DSA fills this method properly: if the LAG is offloaded by another port in the same tree as @dev, then it isn't foreign. If it is a software LAG, it is foreign - forwarding happens in software. Whether an interface is foreign or not decides whether the replication helper will go through the LAG's switchdev lowers or not. Since the lan966x doesn't properly fill this out, FDB events on software LAG uppers will get called. By changing lan966x_foreign_dev_check(), we can suppress them. Whereas DSA will now start receiving FDB events for its offloaded LAG uppers, so we need to return -EOPNOTSUPP, since we currently don't do the right thing for them. Cc: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by:
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Vladimir Oltean authored
The main purpose of this change is to create a data structure for a LAG as seen by DSA. This is similar to what we have for bridging - we pass a copy of this structure by value to ->port_lag_join and ->port_lag_leave. For now we keep the lag_dev, id and a reference count in it. Future patches will add a list of FDB entries for the LAG (these also need to be refcounted to work properly). The LAG structure is created using dsa_port_lag_create() and destroyed using dsa_port_lag_destroy(), just like we have for bridging. Because now, the dsa_lag itself is refcounted, we can simplify dsa_lag_map() and dsa_lag_unmap(). These functions need to keep a LAG in the dst->lags array only as long as at least one port uses it. The refcounting logic inside those functions can be removed now - they are called only when we should perform the operation. dsa_lag_dev() is renamed to dsa_lag_by_id() and now returns the dsa_lag structure instead of the lag_dev net_device. dsa_lag_foreach_port() now takes the dsa_lag structure as argument. dst->lags holds an array of dsa_lag structures. dsa_lag_map() now also saves the dsa_lag->id value, so that linear walking of dst->lags in drivers using dsa_lag_id() is no longer necessary. They can just look at lag.id. dsa_port_lag_id_get() is a helper, similar to dsa_port_bridge_num_get(), which can be used by drivers to get the LAG ID assigned by DSA to a given port. Signed-off-by:
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Vladimir Oltean authored
Make the intent of the code more clear by using the dedicated helper for iterating over the ports of a switch. Signed-off-by:
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Vladimir Oltean authored
The DSA LAG API will be changed to become more similar with the bridge data structures, where struct dsa_bridge holds an unsigned int num, which is generated by DSA and is one-based. We have a similar thing going with the DSA LAG, except that isn't stored anywhere, it is calculated dynamically by dsa_lag_id() by iterating through dst->lags. The idea of encoding an invalid (or not requested) LAG ID as zero for the purpose of simplifying checks in drivers means that the LAG IDs passed by DSA to drivers need to be one-based too. So back-and-forth conversion is needed when indexing the dst->lags array, as well as in drivers which assume a zero-based index. Signed-off-by:
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Vladimir Oltean authored
In preparation of converting struct net_device *dp->lag_dev into a struct dsa_lag *dp->lag, we need to rename, for consistency purposes, all occurrences of the "lag" variable in qca8k to "lag_dev". Signed-off-by:
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Vladimir Oltean authored
In preparation of converting struct net_device *dp->lag_dev into a struct dsa_lag *dp->lag, we need to rename, for consistency purposes, all occurrences of the "lag" variable in mv88e6xxx to "lag_dev". Signed-off-by:
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Vladimir Oltean authored
In preparation of converting struct net_device *dp->lag_dev into a struct dsa_lag *dp->lag, we need to rename, for consistency purposes, all occurrences of the "lag" variable in the DSA core to "lag_dev". Signed-off-by:
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Oleksij Rempel authored
This functions are mostly same except of one hard coded "in_pm" variable. So, rework them to reduce maintenance overhead. Signed-off-by:
Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20220223110633.3006551-1-o.rempel@pengutronix.deSigned-off-by:
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Yang Yingliang authored
rhashtable_lookup_fast() returns NULL pointer not ERR_PTR(), so it can return fib_node directly in prestera_kern_fib_cache_find(). Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20220223084954.1771075-2-yangyingliang@huawei.comSigned-off-by:
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Yang Yingliang authored
rhashtable_lookup_fast() returns NULL pointer not ERR_PTR(), so it can return fib_node directly in prestera_fib_node_find(). Reported-by:
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Casper Andersson authored
Though the SparX-5i can control IPv4/6 multicasts separately from non-IP multicasts, these are all muxed onto the bridge's BR_MCAST_FLOOD flag. Signed-off-by:
Casper Andersson <casper.casan@gmail.com> Reviewed-by:
Horatiu Vultur <horatiu.vultur@microchip.com> Link: https://lore.kernel.org/r/20220223082700.qrot7lepwqcdnyzw@wse-c0155Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski authored
tools/testing/selftests/net/mptcp/mptcp_join.sh 34aa6e3b ("selftests: mptcp: add ip mptcp wrappers") 857898eb ("selftests: mptcp: add missing join check") 6ef84b15 ("selftests: mptcp: more robust signal race test") https://lore.kernel.org/all/20220221131842.468893-1-broonie@kernel.org/ drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/ct.c fb7e76ea ("net/mlx5e: TC, Skip redundant ct clear actions") c63741b4 ("net/mlx5e: Fix MPLSoUDP encap to use MPLS action information") 09bf9792 ("net/mlx5e: TC, Move pedit_headers_action to parse_attr") 84ba8062 ("net/mlx5e: Test CT and SAMPLE on flow attr") efe6f961 ("net/mlx5e: CT, Don't set flow flag CT for ct clear flow") 3b49a7ed ("net/mlx5e: TC, Reject rules with multiple CT actions") Signed-off-by:
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- 24 Feb, 2022 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds authored
Pull pci fixes from Bjorn Helgaas: - Fix a merge error that broke PCI device enumeration on mvebu platforms, including Turris Omnia (Armada 385) (Pali Rohár) - Avoid using ATS on all AMD Navi10 and Navi14 GPUs because some VBIOSes don't account for "harvested" (disabled) parts of the chip when initializing caches (Alex Deucher) * tag 'pci-v5.17-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: Mark all AMD Navi10 and Navi14 GPU ATS as broken PCI: mvebu: Fix device enumeration regression
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