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* net: ethtool: eee: Remove legacy _u32 from keeeAndrew Lunn2024-02-281-27/+4
| | | | | | | | | | All MAC drivers have been converted to use the link mode members of keee. So remove the _u32 values, and the code in the ethtool core to convert the legacy _u32 values to link modes. Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: add linkmode bitmap support to struct ethtool_keeeHeiner Kallweit2024-01-311-14/+35
| | | | | | | | | | | Add linkmode bitmap members to struct ethtool_keee, but keep the legacy u32 bitmaps for compatibility with existing drivers. Use linkmode "supported" not being empty as indicator that a user wants to use the linkmode bitmap members instead of the legacy bitmaps. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: add suffix _u32 to legacy bitmap members of struct ethtool_keeeHeiner Kallweit2024-01-311-8/+8
| | | | | | | | | | This is in preparation of using the existing names for linkmode bitmaps. Suggested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: adjust struct ethtool_keee to kernel needsHeiner Kallweit2024-01-311-6/+6
| | | | | | | | | | | | | | | | This patch changes the following in struct ethtool_keee - remove member cmd, it's not needed on kernel side - remove reserved fields - switch the semantically boolean members to type bool We don't have to change any user of the boolean members due to the implicit casting from/to bool. A small change is needed where a pointer to bool members is used, in addition remove few now unneeded double negations. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: replace struct ethtool_eee with a new struct ethtool_keee on kernel ↵Heiner Kallweit2024-01-311-5/+5
| | | | | | | | | | | | | | | | | side In order to pass EEE link modes beyond bit 32 to userspace we have to complement the 32 bit bitmaps in struct ethtool_eee with linkmode bitmaps. Therefore, similar to ethtool_link_settings and ethtool_link_ksettings, add a struct ethtool_keee. In a first step it's an identical copy of ethtool_eee. This patch simply does a s/ethtool_eee/ethtool_keee/g for all users. No functional change intended. Suggested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: netlink: always pass genl_info to .prepare_dataJakub Kicinski2023-08-161-1/+1
| | | | | | | | | | | | | | | | We had a number of bugs in the past because developers forgot to fully test dumps, which pass NULL as info to .prepare_data. .prepare_data implementations would try to access info->extack leading to a null-deref. Now that dumps and notifications can access struct genl_info we can pass it in, and remove the info null checks. Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com> # pause Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20230814214723.2924989-11-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* ethtool: netlink: convert commands to common SETJakub Kicinski2023-01-271-47/+31
| | | | | | | Convert all SET commands where new common code is applicable. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: use ethnl_parse_header_dev_put()Eric Dumazet2021-12-151-1/+1
| | | | | | | | | | | | | 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>
* ethtool: fix incorrect datatype in set_eee opsWong Vee Khee2021-04-071-2/+2
| | | | | | | | | | | | | The member 'tx_lpi_timer' is defined with __u32 datatype in the ethtool header file. Hence, we should use ethnl_update_u32() in set_eee ops. Fixes: fd77be7bd43c ("ethtool: set EEE settings with EEE_SET request") Cc: <stable@vger.kernel.org> # 5.10.x Cc: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: link up ethnl_header_policy as a nested policyJakub Kicinski2020-10-061-2/+4
| | | | | | | | | | | To get the most out of parsing by the core, and to allow dumping full policies we need to specify which policy applies to nested attrs. For headers it's ethnl_header_policy. $ sed -i 's@\(ETHTOOL_A_.*HEADER\].*=\) { .type = NLA_NESTED },@\1\n\t\tNLA_POLICY_NESTED(ethnl_header_policy),@' net/ethtool/* Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: trim policy tablesJakub Kicinski2020-10-061-12/+2
| | | | | | | | | | | | | | | Since ethtool uses strict attribute validation there's no need to initialize all attributes in policy tables. 0 is NLA_UNSPEC which is going to be rejected. Remove the NLA_REJECTs. Similarly attributes above maxattrs are rejected, so there's no need to always size the policy tables to ETHTOOL_A_..._MAX. v2: - new patch Suggested-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: wire up set policies to opsJakub Kicinski2020-10-061-8/+3
| | | | | | | | Similarly to get commands wire up the policies of set commands to get parsing by the core and policy dumps. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: wire up get policies to opsJakub Kicinski2020-10-061-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | Wire up policies for get commands in struct nla_policy of the ethtool family. Make use of genetlink code attr validation and parsing, as well as allow dumping policies to user space. For every ETHTOOL_MSG_*_GET: - add 'ethnl_' prefix to policy name - add extern declaration in net/ethtool/netlink.h - wire up the policy & attr in ethtool_genl_ops[]. - remove .request_policy and .max_attr from ethnl_request_ops. Obviously core only records the first "layer" of parsed attrs so we still need to parse the sub-attrs of the nested header attribute. v2: - merge of patches 1 and 2 from v1 - remove stray empty lines in ops - also remove .max_attr Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: add EEE_NTF notificationMichal Kubecek2020-03-301-0/+3
| | | | | | | | | Send ETHTOOL_MSG_EEE_NTF notification whenever EEE settings of a network device are modified using ETHTOOL_MSG_EEE_SET netlink message or ETHTOOL_SEEE ioctl request. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: set EEE settings with EEE_SET requestMichal Kubecek2020-03-301-0/+73
| | | | | | | | | | | | Implement EEE_SET netlink request to set EEE settings of a network device. These are traditionally set with ETHTOOL_SEEE ioctl request. The netlink interface allows setting the EEE status for all link modes supported by kernel but only first 32 link modes can be set at the moment as only those are supported by the ethtool_ops callback. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethtool: provide EEE settings with EEE_GET requestMichal Kubecek2020-03-301-0/+130
Implement EEE_GET request to get EEE settings of a network device. These are traditionally available via ETHTOOL_GEEE ioctl request. The netlink interface allows reporting EEE status for all link modes supported by kernel but only first 32 link modes are provided at the moment as only those are reported by the ethtool_ops callback and drivers. v2: fix alignment (whitespace only) Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
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