- 10 May, 2020 17 commits
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Jakub Kicinski authored
Andrew Lunn says: ==================== Ethernet Cable test support any copper Ethernet PHY have support for performing diagnostics of the cable. Are the cable shorted, broken, not plugged into anything at the other end? And they can report roughly how far along the cable any fault is. Add infrastructure in ethtool and phylib support for triggering a cable test and reporting the results. The Marvell 1G PHY driver is then extended to make use of this infrastructure. For testing, a modified ethtool(1) can be found here: https://github.com/lunn/ethtool.git feature/cable-test-v4. This also contains extra code for TDR dump, which will be added to the kernel in a later patch series. Thanks to Chris Healy for extensive testing. v2: See individual patches but: Remove _REPLY messages Change length into a u32 Grammar fixes Rename functions for consistency Extack for cable test already running Remove ethnl_cable_test_act_ops Add status attributes Rename pairs from numbers to letters v3: See individual patches but: Remove ETHTOOL_MSG_CABLE_TEST_ACT_REPLY from documentation Remove unused cable_test_get_policy Fixed example in document Add ETHTOOL_A_CABLE_NEST_* enum Add ETHTOOL_MSG_CABLE_TEST_NTF to documentation Poison phydev->skb Return -EMSGSIZE when ethnl_bcastmsg_put() fails Return valid error code when nla_nest_start() fails Use u8 for results Actually put u32 length into message s/mavell/marvell/g Remove include of <uapi/linux/ethtool_netlink.h> EMSGSIZE when ethnl_bcastmsg_put() fails Print an error message on failure, since this is a void function. v4: See individual patches but: Remove unwanted blank line ENOTSUPP->EOPNOTSUPP Move EINVAL->EMSGSIZE fix to correct patch ==================== Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Andrew Lunn authored
Given that it takes time to run a cable test, send a notify message at the start, as well as when it is completed. v3: EMSGSIZE when ethnl_bcastmsg_put() fails Print an error message on failure, since this is a void function. Signed-off-by:
Andrew Lunn <andrew@lunn.ch> Reviewed-by:
Michal Kubecek <mkubecek@suse.cz> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Andrew Lunn authored
Since running a cable test is disruptive, put the interface into operative state testing while the test is running. Signed-off-by:
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Andrew Lunn authored
The Marvell PHYs have a couple of different register sets for performing cable tests. Page 7 provides the simplest to use. v3: s/mavell/marvell/g Remove include of <uapi/linux/ethtool_netlink.h> Signed-off-by:
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Andrew Lunn authored
The PHY drivers can use these helpers for reporting the results. The results get translated into netlink attributes which are added to the pre-allocated skbuf. v3: Poison phydev->skb Return -EMSGSIZE when ethnl_bcastmsg_put() fails Return valid error code when nla_nest_start() fails Use u8 for results Actually put u32 length into message v4: s/ENOTSUPP/EOPNOTSUPP/g Signed-off-by:
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Andrew Lunn authored
Provide infrastructure for PHY drivers to report the cable test results. A netlink skb is associated to the phydev. Helpers will be added which can add results to this skb. Once the test has finished the results are sent to user space. When netlink ethtool is not part of the kernel configuration stubs are provided. It is also impossible to trigger a cable test, so the error code returned by the alloc function is of no consequence. v2: Include the status complete in the netlink notification message v4: Replace -EINVAL with -EMSGSIZE Signed-off-by:
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Andrew Lunn authored
Make some helpers for building ethtool netlink messages available outside the compilation unit, so they can be used for building messages which are not simple get/set. Signed-off-by:
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Andrew Lunn authored
Add the attributes needed to report cable test results to userspace. The reports are expected to be per twisted pair. A nested property per pair can report the result of the cable test. A nested property can also report the length of the cable to any fault. v2: Grammar fixes Change length from u16 to u32 s/DEV/HEADER/g Add status attributes Rename pairs from numbers to letters. v3: Fixed example in document Add ETHTOOL_A_CABLE_NEST_* enum Add ETHTOOL_MSG_CABLE_TEST_NTF to documentation Signed-off-by:
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Andrew Lunn authored
Add new ethtool netlink calls to trigger the starting of a PHY cable test. Add Kconfig'ury to ETHTOOL_NETLINK so that PHYLIB is not a module when ETHTOOL_NETLINK is builtin, which would result in kernel linking errors. v2: Remove unwanted white space change Remove ethnl_cable_test_act_ops and use doit handler Rename cable_test_set_policy cable_test_act_policy Remove ETHTOOL_MSG_CABLE_TEST_ACT_REPLY v3: Remove ETHTOOL_MSG_CABLE_TEST_ACT_REPLY from documentation Remove unused cable_test_get_policy Add Reviewed-by tags v4: Remove unwanted blank line Signed-off-by:
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Andrew Lunn authored
Some PHYs are not capable of generating interrupts when a cable test finished. They do however support interrupts for normal operations, like link up/down. As such, the PHY state machine would normally not poll the PHY. Add support for indicating the PHY state machine must poll the PHY when performing a cable test. Signed-off-by:
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Andrew Lunn authored
Running a cable test is desruptive to normal operation of the PHY and can take a 5 to 10 seconds to complete. The RTNL lock cannot be held for this amount of time, and add a new state to the state machine for running a cable test. The driver is expected to implement two functions. The first is used to start a cable test. Once the test has started, it should return. The second function is called once per second, or on interrupt to check if the cable test is complete, and to allow the PHY to report the status. v2: Rename phy_cable_test_abort to phy_abort_cable_test Return different extack when already running test Use phy_init_hw() to reset the PHY Reviewed-by:
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Colin Ian King authored
The variable status is being initializeed with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by:Colin Ian King <colin.king@canonical.com> Acked-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Colin Ian King authored
The variable ret is being initializeed with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: -
Colin Ian King authored
The variable ret is being initializeed with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: -
kbuild test robot authored
drivers/net/dsa/sja1105/sja1105_ethtool.c:481:11-12: Unneeded semicolon Remove unneeded semicolon. Generated by: scripts/coccinelle/misc/semicolon.cocci Fixes: ae1804de ("dsa: sja1105: dynamically allocate stats structure") CC: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
kbuild test robot <lkp@intel.com> Signed-off-by:
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Kevin Hao authored
In the current codes, the octeontx2 uses its own method to allocate the pool buffers, but there are some issues in this implementation. 1. We have to run the otx2_get_page() for each allocation cycle and this is pretty error prone. As I can see there is no invocation of the otx2_get_page() in otx2_pool_refill_task(), this will leave the allocated pages have the wrong refcount and may be freed wrongly. 2. It wastes memory. For example, if we only receive one packet in a NAPI RX cycle, and then allocate a 2K buffer with otx2_alloc_rbuf() to refill the pool buffers and leave the remain area of the allocated page wasted. On a kernel with 64K page, 62K area is wasted. IMHO it is really unnecessary to implement our own method for the buffers allocate, we can reuse the napi_alloc_frag() to simplify our code. Signed-off-by:
Kevin Hao <haokexin@gmail.com> Signed-off-by:
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Gustavo A. R. Silva authored
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] sizeof(flexible-array-member) triggers a warning because flexible array members have incomplete type[1]. There are some instances of code in which the sizeof operator is being incorrectly/erroneously applied to zero-length arrays and the result is zero. Such instances may be hiding some bugs. So, this work (flexible-array member conversions) will also help to get completely rid of those sorts of issues. This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by:Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by:
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- 09 May, 2020 23 commits
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Jakub Kicinski authored
Ido Schimmel says: ==================== mlxsw: spectrum: Enforce some HW limitations for matchall TC offload Jiri says: There are some limitations for TC matchall classifier offload that are given by the mlxsw HW dataplane. It is not possible to do sampling on egress and also the mirror/sample vs. ACL (flower) ordering is fixed. So check this and forbid to offload incorrect setup. ==================== Signed-off-by: -
Jiri Pirko authored
Make sure that the drive restricts incorrect order of inserted matchall vs. flower rules. Signed-off-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Signed-off-by:
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Jiri Pirko authored
Check that matchall rules with sample actions are not possible to be inserted to egress. Signed-off-by:
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Jiri Pirko authored
The file is about to contain matchall restrictions too, so change the name to make it more generic. Signed-off-by:
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Jiri Pirko authored
On ingress, the matchall rules doing mirroring and sampling are offloaded into hardware blocks that are processed before any flower rules. On egress, the matchall mirroring rules are offloaded into hardware block that is processed after all flower rules. Therefore check the priorities of inserted flower rules against existing matchall rules and ensure the correct ordering. Signed-off-by:
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Jiri Pirko authored
On ingress, the matchall rules doing mirroring and sampling are offloaded into hardware blocks that are processed before any flower rules. On egress, the matchall mirroring rules are offloaded into hardware block that is processed after all flower rules. Therefore check the priorities of inserted matchall rules against existing flower rules and ensure the correct ordering. Signed-off-by:
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Jiri Pirko authored
Introduce an infrastructure that allows to get minimum and maximum rule priority for specified chain. This is going to be used by a subsequent patch to enforce ordering between flower and matchall filters. Signed-off-by:
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Jiri Pirko authored
As there are going to be other matchall specific fields in flow structure, put the existing list field into matchall substruct. Signed-off-by:
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Jiri Pirko authored
Introduce an infrastructure that allows to get minimum and maximum rule priority for specified chain. This is going to be used by a subsequent patch to enforce ordering between flower and matchall filters. Signed-off-by:
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Jiri Pirko authored
HW supports packet sampling on ingress only. Check and fail if user is adding sample on egress. Signed-off-by:
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Luo bin authored
adds ndo_set_vf_rate/ndo_set_vf_spoofchk/ndo_set_vf_link_state to configure netdev of virtual function Signed-off-by:
Luo bin <luobin9@huawei.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linuxJakub Kicinski authored
Saeed Mahameed says: ==================== mlx5-updates-2020-05-09 This series includes updates to mlx5 netdev driver and bonding updates to support getting the next active tx slave. 1) merge commit with mlx5-next that includes bonding updates from Maor Bonding: Add support to get xmit slave 2) Maxim makes some general code improvements to TX data path 3) Tariq makes some general code improvements to kTLS and mlx5 accel layer in preparation for mlx5 TLS RX. ==================== Signed-off-by: -
Jakub Kicinski authored
Mark Starovoytov says: ==================== net: atlantic: driver updates This patch series contains several minor cleanups for the previously submitted series. We also add Marvell copyrights on newly touched files. v2: * accommodated review comments related to the last patch in series (MAC generation) v1: https://patchwork.ozlabs.org/cover/1285011/ ==================== Signed-off-by:
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Mark Starovoytov authored
This patch unifies invalid MAC address handling with other drivers. Basically we've switched to using standard APIs (is_valid_ether_addr / eth_hw_addr_random) where possible. It's worth noting that some of engineering Aquantia NICs might be provisioned with a partially zeroed out MAC, which is still invalid, but not caught by is_valid_ether_addr(), so we've added a special handling for this case. Also adding a warning in case of fallback to random MAC, because this shouldn't be needed on production NICs, they should all be provisioned with unique MAC. NB! Default systemd/udevd configuration is 'MACAddressPolicy=persistent'. This causes MAC address to be persisted across driver reloads and reboots. We had to change it to 'none' for verification purposes. Signed-off-by:Mark Starovoytov <mstarovoitov@marvell.com> Signed-off-by:
Igor Russkikh <irusskikh@marvell.com> Signed-off-by:
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Mark Starovoytov authored
This patch removes unnecessary check for boot code survivability before reset request. Signed-off-by:
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Mark Starovoytov authored
No need to call hw_atl_b0_hw_rss_set from hw_atl2_hw_rss_set Signed-off-by:
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Mark Starovoytov authored
TPO2 was introduced in B0 only, no reason to check for it in A0 code. Signed-off-by:
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Mark Starovoytov authored
This patch changes the constant name to a more logical "2G5" (for 2.5G speeds). Signed-off-by:
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Mark Starovoytov authored
This patch fixes a couple of minor merge issues found in macsec_api.c after corresponding patch series has been applied. These are not real bugs, so pushing to net-next. Signed-off-by:
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Mark Starovoytov authored
This patches fixes the review comment made by Jakub Kicinski in the "net: atlantic: A2 support" patch series. Signed-off-by:
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Tariq Toukan authored
The same WQE opcode might be used in different ICOSQ flows and WQE types. To have a better distinguishability, replace it with an enum that better indicates the WQE type and flow it is used for. Signed-off-by:
Tariq Toukan <tariqt@mellanox.com> Reviewed-by:
Maxim Mikityanskiy <maximmi@mellanox.com> Signed-off-by:
Saeed Mahameed <saeedm@mellanox.com>
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Tariq Toukan authored
The include of Ethernet driver header in core is not needed and actually wrong. Remove it. Signed-off-by:
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Tariq Toukan authored
Struct assignment looks more clean, and implies resetting the not assigned fields to zero, instead of holding values from older ring cycles. Signed-off-by:
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