- 14 Jun, 2023 1 commit
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Uwe Kleine-König authored
After commit b8a1a4cd ("i2c: Provide a temporary .probe_new() call-back type"), all drivers being converted to .probe_new() and then commit 03c835f4 ("i2c: Switch .probe() to not take an id parameter") convert back to (the new) .probe() to be able to eventually drop .probe_new() from struct i2c_driver. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20230612071641.836976-1-u.kleine-koenig@pengutronix.deSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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- 13 Jun, 2023 23 commits
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Jakub Kicinski authored
Jakub Kicinski says: ==================== tools: ynl-gen: improvements for DPLL A set of improvements needed to generate the kernel code for DPLL. ==================== Link: https://lore.kernel.org/r/20230612155920.1787579-1-kuba@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Instead of reimplementing policies in MutliAttr for every underlying type forward the calls to the base type. This will be needed for DPLL which uses a multi-attr nest, and currently gets an invalid NLA_NEST policy generated. Reviewed-by: Jacob Keller <Jacob.e.keller@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Scalar range validation assumes enums start at 0. Teach it to properly calculate the value range. Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Raju Rangoju authored
MAC version 21H supports the 10Mbps speed. So, extend support to platforms that support it. Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com> Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Naveen Mamindlapalli says: ==================== RVU NIX AF driver updates This patch series includes a few enhancements and other updates to the RVU NIX AF driver. The first patch adds devlink option to configure NPC MCAM high priority zone entries reservation. This is useful when the requester needs more high priority entries than default reserved entries. The second patch adds support for RSS hash computation using L3 SRC or DST only, or L4 SRC or DST only. The third patch updates DWRR MTU configuration for CN10KB silicon. HW uses the DWRR MTU to compute DWRR weight. Patch 4 configures the LBK link in TL3_TL2 configuration only when switch mode is enabled. Patch 5 adds an option in the mailbox request to enable/disable DROP_RE bit which drops packets with L2 errors when set. Patch 6 updates SMQ flush mechanism to stop other child nodes from enqueuing any packets while SMQ flush is active. Otherwise SMQ flush may timeout. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Naveen Mamindlapalli authored
When multiple transmit scheduler queues feed a TL1 transmit link, the SMQ flush initiated on a low priority queue might get stuck when a high priority queue fully subscribes the transmit link. This inturn effects interface teardown. To avoid this, temporarily XOFF all TL1's other immediate child transmit scheduler queues and also clear any rate limit configuration on all the scheduler queues in SMQ(flush) hierarchy. Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Nithin Dabilpuram authored
Add option to toggle DROP_RE bit in rx cfg mbox. This helps in modifying the config runtime as opposed to setting available via nix_lf_alloc() mbox at NIX LF init time. Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com> Signed-off-by: Jerin Jacob Kollanukkaran <jerinj@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Subbaraya Sundeep authored
Currently, all the TL3_TL2 nodes are being configured to enable switch LBK channel 63 in them. Instead enable them only when switch mode is enabled. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sunil Goutham authored
The DWRR MTU config added for SDP and RPM/LBK links on CN10K silicon is further extended on CK10KB silicon variant and made it configurable. Now there are 4 DWRR MTU config to choose while setting transmit scheduler's RR_WEIGHT. Here we are reserving one config for each of RPM, SDP and LBK. NIXX_AF_DWRR_MTUX(0) ---> RPM NIXX_AF_DWRR_MTUX(1) ---> SDP NIXX_AF_DWRR_MTUX(2) ---> LBK PF/VF drivers can choose the DWRR_MTU to be used by setting SMQX_CFG[pkt_link_type] to one of above. TLx_SCHEDULE[RR_WEIGHT] is to be as configured 'quantum / 2^DWRR_MTUX[MTU]'. DWRR_MTU of each link is exposed to PF/VF drivers via mailbox for RR_WEIGHT calculation. Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Kiran Kumar K authored
Add support to select L3 SRC or DST only, L4 SRC or DST only for RSS calculation. AF consumer may have requirement as we can select only SRC or DST data for RSS calculation in L3, L4 layers. With this requirement there will be following combinations, IPV[4,6]_SRC_ONLY, IPV[4,6]_DST_ONLY, [TCP,UDP,SCTP]_SRC_ONLY, [TCP,UDP,SCTP]_DST_ONLY. So, instead of creating a bit for each combination, we are using upper 4 bits (31:28) in the flow_key_cfg to represent the SRC, DST selection. 31 => L3_SRC, 30 => L3_DST, 29 => L4_SRC, 28 => L4_DST. These won't be part of flow_cfg, so that we don't need to change the existing ABI. Signed-off-by: Kiran Kumar K <kirankumark@marvell.com> Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Naveen Mamindlapalli authored
The NPC MCAM entries are currently divided into three priority zones in AF driver: high, mid, and low. The high priority zone and low priority zone take up 1/8th (each) of the available MCAM entries, and remaining going to the mid priority zone. The current allocation scheme may not meet certain requirements, such as when a requester needs more high priority zone entries than are reserved. This patch adds a devlink configurable option to increase the number of high priority zone entries that can be allocated by requester. The max number of entries that can be reserved for high priority usage is 100% of available MCAM entries. Usage: 1) Change high priority zone percentage to 75%: devlink -p dev param set pci/0002:01:00.0 name npc_mcam_high_zone_percent \ value 75 cmode runtime 2) Read high priority zone percentage: devlink -p dev param show pci/0002:01:00.0 name npc_mcam_high_zone_percent The devlink set configuration is only permitted when no MCAM entries are assigned, i.e., all MCAM entries are free, indicating that no PF/VF driver is loaded. So user must unload/unbind PF/VF driver/devices before modifying the high priority zone percentage. Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
The test currently specifies "l2_miss" as "true" / "false", but the version that eventually landed in iproute2 uses "1" / "0" [1]. Align the test accordingly. [1] https://lore.kernel.org/netdev/20230607153550.3829340-1-idosch@nvidia.com/ Fixes: 8c33266a ("selftests: forwarding: Add layer 2 miss test cases") Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
David Howells says: ==================== splice, net: Some miscellaneous MSG_SPLICE_PAGES changes Now that the splice_to_socket() has been rewritten so that nothing now uses the ->sendpage() file op[1], some further changes can be made, so here are some miscellaneous changes that can now be done. (1) Remove the ->sendpage() file op. (2) Remove hash_sendpage*() from AF_ALG. (3) Make sunrpc send multiple pages in single sendmsg() call rather than calling sendpage() in TCP (or maybe TLS). (4) Make tcp_bpf_sendpage() a wrapper around tcp_bpf_sendmsg(). (5) Make AF_KCM use sendmsg() when calling down to TCP and then make it send entire fragment lists in single sendmsg calls. Link: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=fd5f4d7da29218485153fd8b4c08da7fc130c79f [1] ==================== Link: https://lore.kernel.org/r/20230609100221.2620633-1-dhowells@redhat.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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David Howells authored
Rewrite the AF_KCM transmission loop to send all the fragments in a single skb or frag_list-skb in one sendmsg() with MSG_SPLICE_PAGES set. The list of fragments in each skb is conveniently a bio_vec[] that can just be attached to a BVEC iter. Note: I'm working out the size of each fragment-skb by adding up bv_len for all the bio_vecs in skb->frags[] - but surely this information is recorded somewhere? For the skbs in head->frag_list, this is equal to skb->data_len, but not for the head. head->data_len includes all the tail frags too. Signed-off-by: David Howells <dhowells@redhat.com> cc: Tom Herbert <tom@herbertland.com> cc: Tom Herbert <tom@quantonium.net> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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David Howells authored
When transmitting data, call down into the transport socket using sendmsg with MSG_SPLICE_PAGES to indicate that content should be spliced rather than using sendpage. Signed-off-by: David Howells <dhowells@redhat.com> cc: Tom Herbert <tom@herbertland.com> cc: Tom Herbert <tom@quantonium.net> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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David Howells authored
Make tcp_bpf_sendpage() a wrapper around tcp_bpf_sendmsg(MSG_SPLICE_PAGES) rather than a loop calling tcp_sendpage(). sendpage() will be removed in the future. Signed-off-by: David Howells <dhowells@redhat.com> cc: John Fastabend <john.fastabend@gmail.com> cc: Jakub Sitnicki <jakub@cloudflare.com> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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David Howells authored
When transmitting data, call down into TCP using sendmsg with MSG_SPLICE_PAGES to indicate that content should be spliced rather than performing sendpage calls to transmit header, data pages and trailer. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Chuck Lever <chuck.lever@oracle.com> cc: Trond Myklebust <trond.myklebust@hammerspace.com> cc: Anna Schumaker <anna@kernel.org> cc: Jeff Layton <jlayton@kernel.org> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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David Howells authored
Remove hash_sendpage*() as nothing should now call it since the rewrite of splice_to_socket()[1]. Signed-off-by: David Howells <dhowells@redhat.com> cc: Herbert Xu <herbert@gondor.apana.org.au> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Link: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=2dc334f1a63a8839b88483a3e73c0f27c9c1791c [1] Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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David Howells authored
Remove file->f_op->sendpage as splicing to a socket now calls sendmsg rather than sendpage. Signed-off-by: David Howells <dhowells@redhat.com> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Zahari Doychev says: ==================== net: flower: add cfm support The first patch adds cfm support to the flow dissector. The second adds the flower classifier support. The third adds a selftest for the flower cfm functionality. ==================== Link: https://lore.kernel.org/r/20230608105648.266575-1-zahari.doychev@linux.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
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Zahari Doychev authored
New cfm flower test case is added to the net forwarding selfttests. Example output: # ./tc_flower_cfm.sh p1 p2 TEST: CFM opcode match test [ OK ] TEST: CFM level match test [ OK ] TEST: CFM opcode and level match test [ OK ] Signed-off-by: Zahari Doychev <zdoychev@maxlinear.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Zahari Doychev authored
Add support to the tc flower classifier to match based on fields in CFM information elements like level and opcode. tc filter add dev ens6 ingress protocol 802.1q \ flower vlan_id 698 vlan_ethtype 0x8902 cfm mdl 5 op 46 \ action drop Signed-off-by: Zahari Doychev <zdoychev@maxlinear.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Zahari Doychev authored
Add support for dissecting cfm packets. The cfm packet header fields maintenance domain level and opcode can be dissected. Signed-off-by: Zahari Doychev <zdoychev@maxlinear.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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- 12 Jun, 2023 16 commits
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Uwe Kleine-König authored
After commit b8a1a4cd ("i2c: Provide a temporary .probe_new() call-back type"), all drivers being converted to .probe_new() and then commit 03c835f4 ("i2c: Switch .probe() to not take an id parameter") convert back to (the new) .probe() to be able to eventually drop .probe_new() from struct i2c_driver. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Tested-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Golle authored
Some of MediaTek's Filogic SoCs come with built-in gigabit Ethernet PHYs which require calibration data from the SoC's efuse. Despite the similar design the driver doesn't share any code with the existing mediatek-ge.c. Add support for such PHYs by introducing a new driver with basic support for MediaTek SoCs MT7981 and MT7988 built-in 1GE PHYs. Signed-off-by: Daniel Golle <daniel@makrotopia.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linuxDavid S. Miller authored
mlx5-updates-2023-06-09 1) Embedded CPU Virtual Functions 2) Lightweight local SFs Daniel Jurgens says: ==================== Embedded CPU Virtual Functions This series enables the creation of virtual functions on Bluefield (the embedded CPU platform). Embedded CPU virtual functions (EC VFs). EC VF creation, deletion and management interfaces are the same as those for virtual functions in a server with a Connect-X NIC. When using EC VFs on the ARM the creation of virtual functions on the host system is still supported. Host VFs eswitch vports occupy a range of 1..max_vfs, the EC VF vport range is max_vfs+1..max_ec_vfs. Every function (PF, ECPF, VF, EC VF, and subfunction) has a function ID associated with it. Prior to this series the function ID and the eswitch vport were the same. That is no longer the case, the EC VF function ID range is 1..max_ec_vfs. When querying or setting the capabilities of an EC VF function an new bit must be set in the query/set HCA cap structure. This is a high level overview of the changes made: - Allocate vports for EC VFs if they are enabled. - Create representors and devlink ports for the EC VF vports. - When querying/setting HCA caps by vport break the assumption that function ID is the same a vport number and adjust accordingly. - Create a new type of page, so that when SRIOV on the ARM is disabled, but remains enabled on the host, the driver can wait for the correct pages. - Update SRIOV code to support EC VF creation/deletion. =================== Lightweight local SFs: Last 3 patches form Shay Drory: SFs are heavy weight and by default they come with the full package of ConnectX features. Usually users want specialized SFs for one specific purpose and using devlink users will almost always override the set of advertises features of an SF and reload it. Shay Drory says: ================ In order to avoid the wasted time and resources on the reload, local SFs will probe without any auxiliary sub-device, so that the SFs can be configured prior to its full probe. The defaults of the enable_* devlink params of these SFs are set to false. Usage example: Create SF: $ devlink port add pci/0000:08:00.0 flavour pcisf pfnum 0 sfnum 11 $ devlink port function set pci/0000:08:00.0/32768 \ hw_addr 00:00:00:00:00:11 state active Enable ETH auxiliary device: $ devlink dev param set auxiliary/mlx5_core.sf.1 \ name enable_eth value true cmode driverinit Now, in order to fully probe the SF, use devlink reload: $ devlink dev reload auxiliary/mlx5_core.sf.1 At this point the user have SF devlink instance with auxiliary device for the Ethernet functionality only. ================
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David S. Miller authored
Eric Dumazet says: ==================== tcp: tx path fully headless This series completes transition of TCP stack tx path to headless packets : All payload now reside in page frags, never in skb->head. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
Now all tcp_stream_alloc_skb() callers pass @size == 0, we can remove this parameter. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
Now all skbs in write queue do not contain any payload in skb->head, we can remove some dead code. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
tcp_send_syn_data() is the last component in TCP transmit path to put payload in skb->head. Switch it to use page frags, so that we can remove dead code later. This allows to put more payload than previous implementation. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Jakub Kicinski says: ==================== net: support extack in dump and simplify ethtool uAPI Ethtool currently requires header nest to be always present even if it doesn't have to carry any attr for a given request. This inflicts unnecessary pain on the users. What makes it worse is that extack was not working in dump's ->start() callback. Address both of those issues. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Ethtool currently requires a header nest (which is used to carry the common family options) in all requests including dumps. $ cli.py --spec netlink/specs/ethtool.yaml --dump channels-get lib.ynl.NlError: Netlink error: Invalid argument nl_len = 64 (48) nl_flags = 0x300 nl_type = 2 error: -22 extack: {'msg': 'request header missing'} $ cli.py --spec netlink/specs/ethtool.yaml --dump channels-get \ --json '{"header":{}}'; ) [{'combined-count': 1, 'combined-max': 1, 'header': {'dev-index': 2, 'dev-name': 'enp1s0'}}] Requiring the header nest to always be there may seem nice from the consistency perspective, but it's not serving any practical purpose. We shouldn't burden the user like this. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Commit 4a19edb6 ("netlink: Pass extack to dump handlers") added extack support to netlink dumps. It was focused on rtnl and since rtnl does not use ->start(), ->done() callbacks it ignored those. Genetlink on the other hand uses ->start() extensively, for parsing and input validation. Pass the extact in via struct netlink_dump_control and link it to cb for the time of ->start(). Both struct netlink_dump_control and extack itself live on the stack so we can't keep the same extack for the duration of the dump. This means that the extack visible in ->start() and each ->dump() callbacks will be different. Corner cases like reporting a warning message in DONE across dump calls are still not supported. We could put the extack (for dumps) in the socket struct, but layering makes it slightly awkward (extack pointer is decided before the DO / DUMP split). The genetlink dump error extacks are now surfaced: $ cli.py --spec netlink/specs/ethtool.yaml --dump channels-get lib.ynl.NlError: Netlink error: Invalid argument nl_len = 64 (48) nl_flags = 0x300 nl_type = 2 error: -22 extack: {'msg': 'request header missing'} Previously extack was missing: $ cli.py --spec netlink/specs/ethtool.yaml --dump channels-get lib.ynl.NlError: Netlink error: Invalid argument nl_len = 36 (20) nl_flags = 0x100 nl_type = 2 error: -22 Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Jakub Kicinski says: ==================== tools: ynl: generate code for the ethtool family And finally ethtool support. Thanks to Stan's work the ethtool family spec is quite complete, so there is a lot of operations to support. I chickened out of stats-get support, they require at the very least type-value support on a u64 scalar. Type-value is an arrangement where a u16 attribute is encoded directly in attribute type. Code gen can support this if the inside is a nest, we just throw in an extra field into that nest to carry the attr type. But a little more coding is needed to for a scalar, because first we need to turn the scalar into a struct with one member, then we can add the attr type. Other than that ethtool required event support (notification which does not share contents with any GET), but the previous series already added that to the codegen. I haven't tested all the ops here, and a few I tried seem to work. ==================== Acked-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Configuring / reading ring sizes and counts is a fairly common operation for ethtool netlink. Present a sample doing that with YNL: $ ./ethtool Channels: enp1s0: combined 1 eni1np1: combined 1 eni2np1: combined 1 Rings: enp1s0: rx 256 tx 256 eni1np1: rx 0 tx 0 eni2np1: rx 0 tx 0 Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Generate the protocol code for ethtool. Skip the stats for now, they are the only outlier in terms of complexity. Stats are a sort-of semi-polymorphic (attr space of a nest depends on value of another attr) or a type-value-scalar, depending on how one wants to look at it... A challenge for another time. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Pad is a separate type. Even though in practice they can only be a u32 the value should be discarded. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Code gen for stats is a bit of a challenge, but from looking at the attrs I think that the format isn't quite right. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
UDP tunnel and cable test messages have a lot of nests, which do not match the names of the enum entries in C uAPI. Some of the structure / nesting also looks wrong. Untangle this a little bit based on the names, comments and educated guesses, I haven't actually tested the results. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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