- 23 Apr, 2024 15 commits
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Chintan Vankar authored
In the current mechanism of timestamping, am65-cpsw-nuss driver enables hardware timestamping for all received packets by setting the TSTAMP_EN bit in CPTS_CONTROL register, which directs the CPTS module to timestamp all received packets, followed by passing timestamp via DMA descriptors. This mechanism causes CPSW Port to Lock up. To prevent port lock up, don't enable rx packet timestamping by setting TSTAMP_EN bit in CPTS_CONTROL register. The workaround for timestamping received packets is to utilize the CPTS Event FIFO that records timestamps corresponding to certain events. The CPTS module is configured to generate timestamps for Multicast Ethernet, UDP/IPv4 and UDP/IPv6 PTP packets. Update supported hwtstamp_rx_filters values for CPSW's timestamping capability. Fixes: b1f66a5b ("net: ethernet: ti: am65-cpsw-nuss: enable packet timestamping support") Signed-off-by:
Chintan Vankar <c-vankar@ti.com> Signed-off-by:
Paolo Abeni <pabeni@redhat.com>
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Chintan Vankar authored
Add a new function "am65_cpts_rx_timestamp()" which checks for PTP packets from header and timestamps them. Add another function "am65_cpts_find_rx_ts()" which finds CPTS FIFO Event to get the timestamp of received PTP packet. Signed-off-by:
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Paolo Abeni authored
Arınç ÜNAL says: ==================== Read PHY address of switch from device tree on MT7530 DSA subdriver This patch series makes the driver read the PHY address the switch listens on from the device tree which, in result, brings support for MT7530 switches listening on a different PHY address than 31. And the patch series simplifies the core operations. Signed-off-by:
Arınç ÜNAL <arinc.unal@arinc9.com> ==================== Link: https://lore.kernel.org/r/20240418-b4-for-netnext-mt7530-phy-addr-from-dt-and-simplify-core-ops-v3-0-3b5fb249b004@arinc9.comSigned-off-by:
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Arınç ÜNAL authored
The core_rmw() function calls core_read_mmd_indirect() to read the requested register, and then calls core_write_mmd_indirect() to write the requested value to the register. Because Clause 22 is used to access Clause 45 registers, some operations on core_write_mmd_indirect() are unnecessarily run. Get rid of core_read_mmd_indirect() and core_write_mmd_indirect(), and run only the necessary operations on core_write() and core_rmw(). Reviewed-by:
Daniel Golle <daniel@makrotopia.org> Tested-by:
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Arınç ÜNAL authored
Read the PHY address the switch listens on from the reg property of the switch node on the device tree. This change brings support for MT7530 switches on boards with such bootstrapping configuration where the switch listens on a different PHY address than the hardcoded PHY address on the driver, 31. As described on the "MT7621 Programming Guide v0.4" document, the MT7530 switch and its PHYs can be configured to listen on the range of 7-12, 15-20, 23-28, and 31 and 0-4 PHY addresses. There are operations where the switch PHY registers are used. For the PHY address of the control PHY, transform the MT753X_CTRL_PHY_ADDR constant into a macro and use it. The PHY address for the control PHY is 0 when the switch listens on 31. In any other case, it is one greater than the PHY address the switch listens on. Reviewed-by:
Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by:
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Asbjørn Sloth Tønnesen authored
This driver currently doesn't support any control flags. Use flow_rule_has_control_flags() to check for control flags, such as can be set through `tc flower ... ip_flags frag`. In case any control flags are masked, flow_rule_has_control_flags() sets a NL extended error message, and we return -EOPNOTSUPP. Only compile-tested. Signed-off-by:
Asbjørn Sloth Tønnesen <ast@fiberby.net> Reviewed-by:
Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240418161821.189263-1-ast@fiberby.netSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Asbjørn Sloth Tønnesen authored
This driver currently doesn't support any control flags. Use flow_rule_match_has_control_flags() to check for control flags, such as can be set through `tc flower ... ip_flags frag`. In case any control flags are masked, flow_rule_match_has_control_flags() sets a NL extended error message, and we return -EOPNOTSUPP. Only compile-tested. Signed-off-by:
Ioana Ciornei <ioana.ciornei@nxp.com> Tested-by:
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Asbjørn Sloth Tønnesen authored
This driver currently doesn't support any control flags. Use flow_rule_match_has_control_flags() to check for control flags, such as can be set through `tc flower ... ip_flags frag`. In case any control flags are masked, flow_rule_match_has_control_flags() sets a NL extended error message, and we return -EOPNOTSUPP. Only compile-tested. Only compile tested, no hardware available. Signed-off-by:
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Jun Gu authored
Ensure that the provided netdev name is not one of its aliases to prevent unnecessary creation and destruction of the vport by ovs-vswitchd. Signed-off-by:
Jun Gu <jun.gu@easystack.cn> Acked-by:
Eelco Chaudron <echaudro@redhat.com> Link: https://lore.kernel.org/r/20240419061425.132723-1-jun.gu@easystack.cnSigned-off-by:
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Jakub Kicinski authored
Donald Hunter says: ==================== netlink: Add nftables spec w/ multi messages This series adds a ynl spec for nftables and extends ynl with a --multi command line option that makes it possible to send transactional batches for nftables. This series includes a patch for nfnetlink which adds ACK processing for batch begin/end messages. If you'd prefer that to be sent separately to nf-next then I can do so, but I included it here so that it gets seen in context. An example of usage is: ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nftables.yaml \ --multi batch-begin '{"res-id": 10}' \ --multi newtable '{"name": "test", "nfgen-family": 1}' \ --multi newchain '{"name": "chain", "table": "test", "nfgen-family": 1}' \ --multi batch-end '{"res-id": 10}' [None, None, None, None] It can also be used for bundling get requests: ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nftables.yaml \ --multi gettable '{"name": "test", "nfgen-family": 1}' \ --multi getchain '{"name": "chain", "table": "test", "nfgen-family": 1}' \ --output-json [{"name": "test", "use": 1, "handle": 1, "flags": [], "nfgen-family": 1, "version": 0, "res-id": 2}, {"table": "test", "name": "chain", "handle": 1, "use": 0, "nfgen-family": 1, "version": 0, "res-id": 2}] There are 2 issues that may be worth resolving: - ynl reports errors by raising an NlError exception so only the first error gets reported. This could be changed to add errors to the list of responses so that multiple errors could be reported. - If any message does not get a response (e.g. batch-begin w/o patch 2) then ynl waits indefinitely. A recv timeout could be added which would allow ynl to terminate. ==================== Link: https://lore.kernel.org/r/20240418104737.77914-1-donald.hunter@gmail.comSigned-off-by: -
Donald Hunter authored
The NLM_F_ACK flag is ignored for nfnetlink batch begin and end messages. This is a problem for ynl which wants to receive an ack for every message it sends, not just the commands in between the begin/end messages. Add processing for ACKs for begin/end messages and provide responses when requested. I have checked that iproute2, pyroute2 and systemd are unaffected by this change since none of them use NLM_F_ACK for batch begin/end. Signed-off-by:
Donald Hunter <donald.hunter@gmail.com> Link: https://lore.kernel.org/r/20240418104737.77914-5-donald.hunter@gmail.comSigned-off-by:
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Donald Hunter authored
Add a "--multi <do-op> <json>" command line to ynl that makes it possible to add several operations to a single netlink request payload. The --multi command line option is repeated for each operation. This is used by the nftables family for transaction batches. For example: ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nftables.yaml \ --multi batch-begin '{"res-id": 10}' \ --multi newtable '{"name": "test", "nfgen-family": 1}' \ --multi newchain '{"name": "chain", "table": "test", "nfgen-family": 1}' \ --multi batch-end '{"res-id": 10}' [None, None, None, None] It can also be used for bundling get requests: ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nftables.yaml \ --multi gettable '{"name": "test", "nfgen-family": 1}' \ --multi getchain '{"name": "chain", "table": "test", "nfgen-family": 1}' \ --output-json [{"name": "test", "use": 1, "handle": 1, "flags": [], "nfgen-family": 1, "version": 0, "res-id": 2}, {"table": "test", "name": "chain", "handle": 1, "use": 0, "nfgen-family": 1, "version": 0, "res-id": 2}] Signed-off-by: -
Donald Hunter authored
NetlinkProtocol.decode() was looking up ops by response value which breaks when it is used for extack decoding of directional ops. Instead, pass the op to decode(). Signed-off-by:
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Donald Hunter authored
Add a spec for nftables that has nearly complete coverage of the ops, but limited coverage of rule types and subexpressions. Signed-off-by:
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Jakub Kicinski authored
Pavel Begunkov says: ==================== implement io_uring notification (ubuf_info) stacking (net part) To have per request buffer notifications each zerocopy io_uring send request allocates a new ubuf_info. However, as an skb can carry only one uarg, it may force the stack to create many small skbs hurting performance in many ways. The patchset implements notification, i.e. an io_uring's ubuf_info extension, stacking. It attempts to link ubuf_info's into a list, allowing to have multiple of them per skb. liburing/examples/send-zerocopy shows up 6 times performance improvement for TCP with 4KB bytes per send, and levels it with MSG_ZEROCOPY. Without the patchset it requires much larger sends to utilise all potential. bytes | before | after (Kqps) 1200 | 195 | 1023 4000 | 193 | 1386 8000 | 154 | 1058 ==================== Link: https://lore.kernel.org/all/cover.1713369317.git.asml.silence@gmail.comSigned-off-by:
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- 22 Apr, 2024 22 commits
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Pavel Begunkov authored
At the moment an skb can only have one ubuf_info associated with it, which might be a performance problem for zerocopy sends in cases like TCP via io_uring. Add a callback for assigning ubuf_info to skb, this way we will implement smarter assignment later like linking ubuf_info together. Note, it's an optional callback, which should be compatible with skb_zcopy_set(), that's because the net stack might potentially decide to clone an skb and take another reference to ubuf_info whenever it wishes. Also, a correct implementation should always be able to bind to an skb without prior ubuf_info, otherwise we could end up in a situation when the send would not be able to progress. Reviewed-by:
Jens Axboe <axboe@kernel.dk> Reviewed-by:
David Ahern <dsahern@kernel.org> Signed-off-by:
Pavel Begunkov <asml.silence@gmail.com> Reviewed-by:
Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/all/b7918aadffeb787c84c9e72e34c729dc04f3a45d.1713369317.git.asml.silence@gmail.comSigned-off-by:
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Pavel Begunkov authored
We'll need to associate additional callbacks with ubuf_info, introduce a structure holding ubuf_info callbacks. Apart from a more smarter io_uring notification management introduced in next patches, it can be used to generalise msg_zerocopy_put_abort() and also store ->sg_from_iter, which is currently passed in struct msghdr. Reviewed-by:
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Jakub Kicinski authored
Eric Dumazet says: ==================== tcp: avoid sending too small packets tcp_sendmsg() cooks 'large' skbs, that are later split if needed from tcp_write_xmit(). After a split, the leftover skb size is smaller than the optimal size, and this causes a performance drop. In this series, tcp_grow_skb() helper is added to shift payload from the second skb in the write queue to the first skb to always send optimal sized skbs. This increases TSO efficiency, and decreases number of ACK packets. ==================== Link: https://lore.kernel.org/r/20240418214600.1291486-1-edumazet@google.comSigned-off-by:
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Eric Dumazet authored
While investigating TCP performance, I found that TCP would sometimes send big skbs followed by a single MSS skb, in a 'locked' pattern. For instance, BIG TCP is enabled, MSS is set to have 4096 bytes of payload per segment. gso_max_size is set to 181000. This means that an optimal TCP packet size should contain 44 * 4096 = 180224 bytes of payload, However, I was seeing packets sizes interleaved in this pattern: 172032, 8192, 172032, 8192, 172032, 8192, <repeat> tcp_tso_should_defer() heuristic is defeated, because after a split of a packet in write queue for whatever reason (this might be a too small CWND or a small enough pacing_rate), the leftover packet in the queue is smaller than the optimal size. It is time to try to make 'leftover packets' bigger so that tcp_tso_should_defer() can give its full potential. After this patch, we can see the following output: 14:13:34.009273 IP6 sender > receiver: Flags [P.], seq 4048380:4098360, ack 1, win 256, options [nop,nop,TS val 3425678144 ecr 1561784500], length 49980 14:13:34.010272 IP6 sender > receiver: Flags [P.], seq 4098360:4148340, ack 1, win 256, options [nop,nop,TS val 3425678145 ecr 1561784501], length 49980 14:13:34.011271 IP6 sender > receiver: Flags [P.], seq 4148340:4198320, ack 1, win 256, options [nop,nop,TS val 3425678146 ecr 1561784502], length 49980 14:13:34.012271 IP6 sender > receiver: Flags [P.], seq 4198320:4248300, ack 1, win 256, options [nop,nop,TS val 3425678147 ecr 1561784503], length 49980 14:13:34.013272 IP6 sender > receiver: Flags [P.], seq 4248300:4298280, ack 1, win 256, options [nop,nop,TS val 3425678148 ecr 1561784504], length 49980 14:13:34.014271 IP6 sender > receiver: Flags [P.], seq 4298280:4348260, ack 1, win 256, options [nop,nop,TS val 3425678149 ecr 1561784505], length 49980 14:13:34.015272 IP6 sender > receiver: Flags [P.], seq 4348260:4398240, ack 1, win 256, options [nop,nop,TS val 3425678150 ecr 1561784506], length 49980 14:13:34.016270 IP6 sender > receiver: Flags [P.], seq 4398240:4448220, ack 1, win 256, options [nop,nop,TS val 3425678151 ecr 1561784507], length 49980 14:13:34.017269 IP6 sender > receiver: Flags [P.], seq 4448220:4498200, ack 1, win 256, options [nop,nop,TS val 3425678152 ecr 1561784508], length 49980 14:13:34.018276 IP6 sender > receiver: Flags [P.], seq 4498200:4548180, ack 1, win 256, options [nop,nop,TS val 3425678153 ecr 1561784509], length 49980 14:13:34.019259 IP6 sender > receiver: Flags [P.], seq 4548180:4598160, ack 1, win 256, options [nop,nop,TS val 3425678154 ecr 1561784510], length 49980 With 200 concurrent flows on a 100Gbit NIC, we can see a reduction of TSO packets (and ACK packets) of about 30 %. Signed-off-by:
Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20240418214600.1291486-4-edumazet@google.comSigned-off-by:
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Eric Dumazet authored
tcp_write_xmit() calls tcp_init_tso_segs() to set gso_size and gso_segs on the packet. tcp_init_tso_segs() requires the stack to maintain an up to date tcp_skb_pcount(), and this makes sense for packets in rtx queue. Not so much for packets still in the write queue. In the following patch, we don't want to deal with tcp_skb_pcount() when moving payload from 2nd skb to 1st skb in the write queue. Signed-off-by:
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Eric Dumazet authored
tcp_cwnd_test() has a special handing for the last packet in the write queue if it is smaller than one MSS and has the FIN flag. This is in violation of TCP RFC, and seems quite dubious. This packet can be sent only if the current CWND is bigger than the number of packets in flight. Making tcp_cwnd_test() result independent of the first skb in the write queue is needed for the last patch of the series. Signed-off-by:
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Jakub Kicinski authored
Tariq Toukan says: ==================== mlx5e per-queue coalescing This patchset adds ethtool per-queue coalescing support for the mlx5e driver. The series introduce some changes needed as preparations for the final patch which adds the support and implements the callbacks. Main changes: - DIM code movements into its own header file. - Switch to dynamic allocation of the DIM struct in the RQs/SQs. - Allow coalescing config change without channels reset when possible. ==================== Link: https://lore.kernel.org/r/20240419080445.417574-1-tariqt@nvidia.comSigned-off-by:
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Rahul Rameshbabu authored
Use mlx5 on-the-fly coalescing configuration support to enable individual channel configuration. Co-developed-by:
Nabil S. Alramli <dev@nalramli.com> Signed-off-by:
Joe Damato <jdamato@fastly.com> Signed-off-by:
Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by:
Saeed Mahameed <saeedm@nvidia.com> Signed-off-by:
Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/r/20240419080445.417574-6-tariqt@nvidia.comSigned-off-by:
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Rahul Rameshbabu authored
When CQE mode or DIM state is changed, gracefully reconfigure channels to handle new configuration. Previously, would create new channels that would reflect the changes rather than update the original channels. Co-developed-by:
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Rahul Rameshbabu authored
Make it possible for the DIM structure to be torn down while an SQ or RQ is still active. Changing the CQ period mode is an example where the previous sampling done with the DIM structure would need to be invalidated. Co-developed-by:
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Rahul Rameshbabu authored
Use core DIM CQ period mode enum values for the CQ parameter for the period mode. Translate the value to the specific mlx5 device constant for the selected period mode when creating a CQ. Avoid needing to translate mlx5 device constants to DIM constants for core DIM functionality. Co-developed-by:
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Rahul Rameshbabu authored
Create a header specifically for DIM-related declarations. Move existing DIM-specific functionality from en.h. Future DIM-related functionality will be declared in en/dim.h in subsequent patches. Co-developed-by:
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Jakub Kicinski authored
Pawel Dembicki says: ==================== net: dsa: vsc73xx: convert to PHYLINK and do some cleanup This patch series is a result of splitting a larger patch series [0], where some parts needed to be refactored. The first patch switches from a poll loop to read_poll_timeout. The second patch is a simple conversion to phylink because adjust_link won't work anymore. The third patch is preparation for future use. Using the "phy_interface_mode_is_rgmii" macro allows for the proper recognition of all RGMII modes. Patches 4-5 involve some cleanup: The fourth patch introduces a definition with the maximum number of ports to avoid using magic numbers. The next one fills in documentation. [0] https://patchwork.kernel.org/project/netdevbpf/list/?series=841034&state=%2A&archive=both ==================== Link: https://lore.kernel.org/r/20240417205048.3542839-1-paweldembicki@gmail.comSigned-off-by:
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Pawel Dembicki authored
This commit adds updates to the documentation describing the structures used in vsc73xx. This will help prevent kdoc-related issues in the future. Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Reviewed-by:
Vladimir Oltean <olteanv@gmail.com> Signed-off-by:
Pawel Dembicki <paweldembicki@gmail.com> Link: https://lore.kernel.org/r/20240417205048.3542839-6-paweldembicki@gmail.comSigned-off-by:
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Pawel Dembicki authored
This patch introduces a new define: VSC73XX_MAX_NUM_PORTS, which can be used in the future instead of a hardcoded value. Currently, the only hardcoded value is vsc->ds->num_ports. It is being replaced with the new define. Suggested-by:
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Pawel Dembicki authored
It's preparation for future use. At this moment, the RGMII port is used only for a connection to the MAC interface, but in the future, someone could connect a PHY to it. Using the "phy_interface_mode_is_rgmii" macro allows for the proper recognition of all RGMII modes. Suggested-by:
Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by:
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Pawel Dembicki authored
This patch replaces the adjust_link api with the phylink apis that provide equivalent functionality. The remaining functionality from the adjust_link is now covered in the mac_link_* and mac_config from phylink_mac_ops structure. Removes: .adjust_link Adds phylink_mac_ops structure: .mac_config .mac_link_up .mac_link_down Signed-off-by:
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Pawel Dembicki authored
Switch the delay loop during the Arbiter empty check from vsc73xx_adjust_link() to use read_poll_timeout(). Functionally, one msleep() call is eliminated at the end of the loop in the timeout case. As Russell King suggested: "This [change] avoids the issue that on the last iteration, the code reads the register, tests it, finds the condition that's being waiting for is false, _then_ waits and end up printing the error message - that last wait is rather useless, and as the arbiter state isn't checked after waiting, it could be that we had success during the last wait." Suggested-by:
Russell King <linux@armlinux.org.uk> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Reviewed-by:
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Eric Dumazet authored
After commit 1eeb5043 ("tcp/dccp: do not care about families in inet_twsk_purge()") tcp_twsk_purge() is no longer potentially called from a module. Signed-off-by:
Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Geetha sowjanya authored
Support offloading of skbedit mark action. For example, to mark with 0x0008, with dest ip 60.60.60.2 on eth2 interface: # tc qdisc add dev eth2 ingress # tc filter add dev eth2 ingress protocol ip flower \ dst_ip 60.60.60.2 action skbedit mark 0x0008 skip_sw Signed-off-by:Geetha sowjanya <gakula@marvell.com> Reviewed-by:
Jacob Keller <jacob.e.keller@intel.com> Reviewed-by:
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Julien Panis authored
When an ethX port is disabled in the device tree, an error is returned by xdp_rxq_info_reg() function while transitioning the CPSW device to the up state. The message 'Missing net_device from driver' is output. This patch fixes the issue by registering xdp_rxq info only if ethX port is enabled (i.e. ndev pointer is not NULL). Fixes: 8acacc40 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support") Link: https://lore.kernel.org/all/260d258f-87a1-4aac-8883-aab4746b32d8@ti.com/Reported-by:
Siddharth Vadapalli <s-vadapalli@ti.com> Closes: https://gist.github.com/Siddharth-Vadapalli-at-TI/5ed0e436606001c247a7da664f75edeeSigned-off-by:
Julien Panis <jpanis@baylibre.com> Signed-off-by:
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Thomas Weißschuh authored
To be able to constify instances of struct ctl_tables it is necessary to remove ways through which non-const versions are exposed from the sysctl core. One of these is the ctl_table_arg member of struct ctl_table_header. Constify this reference as a prerequisite for the full constification of struct ctl_table instances. No functional change. Signed-off-by:
Thomas Weißschuh <linux@weissschuh.net> Reviewed-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
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- 20 Apr, 2024 3 commits
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Jakub Kicinski authored
Florian Westphal says: ==================== testing: make netfilter selftests functional in vng environment This is the second batch of the netfilter selftest move. Changes since v1: - makefile and kernel config are updated to have all required features - fix makefile with missing bits to make kselftest-install work - test it via vng as per https://github.com/linux-netdev/nipa/wiki/How-to-run-netdev-selftests-CI-style (Thanks Jakub!) - squash a few fixes, e.g. nft_queue.sh v1 had a race w. NFNETLINK_QUEUE=m - add a settings file with 8m timeout, for nft_concat_range.sh sake. That script can be sped up a bit, I think, but its not contained in this batch yet. - toss the first two bogus rebase artifacts (Matthieu Baerts) scripts are moved to lib.sh infra. This allows to use busywait helper and ditch various 'sleep 2' all over the place. Tested on Fedora 39: vng --build --config tools/testing/selftests/net/netfilter/config make -C tools/testing/selftests/ TARGETS=net/netfilter vng -v --run . --user root --cpus 2 -- \ make -C tools/testing/selftests TARGETS=net/netfilter run_tests ... all tests pass except nft_audit.sh which SKIPs due to nft version mismatch (Fedora is on nft 1.0.7 which lacks reset keyword support). Missing/WIP bits: - speed up nf_concat_range.sh test - extend flowtable selftest - shellcheck fixups for remaining scripts ==================== Link: https://lore.kernel.org/r/20240418152744.15105-1-fw@strlen.deSigned-off-by:
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Florian Westphal authored
Jakub reports the Makefile missed a few updates to make kselftest-install work for the netfilter tests and points out that config file lacks many dependencies such as VETH support. The settings file (timeout 8m) is added for nft_concat_range.sh script which can take several minutes to complete. Fixes: 3f189349 ("selftests: netfilter: move to net subdir") Reported-by:
Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20240418152744.15105-13-fw@strlen.deSigned-off-by:
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Florian Westphal authored
This testcase doesn't work if auditd is running, audit_logread will not receive any data in that case. Add a nftables feature test for the reset keyword and skip this test if that fails. While at it, do a few minor shellcheck cleanups. Signed-off-by:
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