- 25 Nov, 2021 9 commits
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Maciej Żenczykowski authored
CAP_NET_ADMIN is and should continue to be about configuring the system as a whole, not about configuring per-socket or per-packet parameters. Sending and receiving raw packets is what CAP_NET_RAW is all about. It can already send packets with any VLAN tag, and any IPv4 TOS mark, and any IPv6 TCLASS mark, simply by virtue of building such a raw packet. Not to mention using any protocol and source/ /destination ip address/port tuple. These are the fields that networking gear uses to prioritize packets. Hence, a CAP_NET_RAW process is already capable of affecting traffic prioritization after it hits the wire. This change makes it capable of affecting traffic prioritization even in the host at the nic and before that in the queueing disciplines (provided skb->priority is actually being used for prioritization, and not the TOS/TCLASS field) Hence it makes sense to allow a CAP_NET_RAW process to set the priority of sockets and thus packets it sends. Signed-off-by:
Maciej Żenczykowski <maze@google.com> Link: https://lore.kernel.org/r/20211123203702.193221-1-zenczykowski@gmail.comSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Ansuel Smith authored
Fix warning reported by bot. Make sure hash is init to 0 and fix wrong logic for hash_type in qca8k_lag_can_offload. Reported-by:
kernel test robot <lkp@intel.com> Fixes: def97530 ("net: dsa: qca8k: add LAG support") Signed-off-by:
Ansuel Smith <ansuelsmth@gmail.com> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20211123154446.31019-1-ansuelsmth@gmail.comSigned-off-by:
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Rahul Lakkireddy authored
Even if firmware fails to recognize the plugged-in port module type, allow reading port module EEPROM anyway. This helps in obtaining necessary diagnostics information for debugging and analysis. Signed-off-by:
Manoj Malviya <manojmalviya@chelsio.com> Signed-off-by:
Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Link: https://lore.kernel.org/r/1637682437-31407-1-git-send-email-rahul.lakkireddy@chelsio.comSigned-off-by:
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Ido Schimmel authored
Cited commit converted simple_strtoul() to kstrtoul() as suggested by the former's documentation. However, it also forced all the inputs to be decimal resulting in user space breakage. Fix by setting the base to '0' so that the base is automatically detected. Before: # ip link add name br0 type bridge vlan_filtering 1 # echo "0x88a8" > /sys/class/net/br0/bridge/vlan_protocol bash: echo: write error: Invalid argument After: # ip link add name br0 type bridge vlan_filtering 1 # echo "0x88a8" > /sys/class/net/br0/bridge/vlan_protocol # echo $? 0 Fixes: 520fbdf7 ("net/bridge: replace simple_strtoul to kstrtol") Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Acked-by:
Nikolay Aleksandrov <nikolay@nvidia.com> Link: https://lore.kernel.org/r/20211124101122.3321496-1-idosch@idosch.orgSigned-off-by:
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Jakub Kicinski authored
Eric Dumazet says: ==================== gro: remove redundant rcu_read_lock Recent trees got an increase of rcu_read_{lock|unlock} costs, it is time to get rid of the not needed pairs. ==================== Link: https://lore.kernel.org/r/20211123225608.2155163-1-eric.dumazet@gmail.comSigned-off-by: -
Eric Dumazet authored
All gro_complete() handlers are called from napi_gro_complete() while rcu_read_lock() has been called. There is no point stacking more rcu_read_lock() Signed-off-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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Eric Dumazet authored
All gro_receive() handlers are called from dev_gro_receive() while rcu_read_lock() has been called. There is no point stacking more rcu_read_lock() Signed-off-by:
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Gerhard Engleder authored
The following warning is fixed, by removing the unused resource size: drivers/net/ethernet/engleder/tsnep_main.c:1155:21-24: WARNING: Suspicious code. resource_size is maybe missing with io Reported-by:
Abaci Robot <abaci@linux.alibaba.com> Signed-off-by:
Gerhard Engleder <gerhard@engleder-embedded.com> Link: https://lore.kernel.org/r/20211124205225.13985-1-gerhard@engleder-embedded.comSigned-off-by:
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Yang Li authored
Remove .owner field if calls are used which set it automatically Eliminate the following coccicheck warning: ./drivers/net/ethernet/engleder/tsnep_main.c:1263:3-8: No need to set .owner here. The core will do it. Reported-by:
Yang Li <yang.lee@linux.alibaba.com> Reviewed-by:
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- 24 Nov, 2021 10 commits
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David S. Miller authored
Guangbin Huang says: ==================== net: hns3: updates for -next This series includes some updates for the HNS3 ethernet driver. ==================== Signed-off-by:David S. Miller <davem@davemloft.net>
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Yufeng Mo authored
When tx timeout occurs, the info of dql maybe helpful, so print these info to hns3_get_tx_timeo_queue_info(). Signed-off-by:
Yufeng Mo <moyufeng@huawei.com> Signed-off-by:
Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by:
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Jie Wang authored
Currently, there is no way to get drop packet number of multicast and broadcast in IGU hardware module, it is not convenient to find problem when multicast packet or broadcast packet is dropped in IGU, so this patch adds statistics for them in debugfs. Signed-off-by:
Jie Wang <wangjie125@huawei.com> Signed-off-by:
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Yufeng Mo authored
Printing the whole MAC addresse may bring security risks. Therefore, the MAC address is partially encrypted to improve security. Signed-off-by:
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Yufeng Mo authored
When the mbx or reset message arrives, the driver is informed through an interrupt. This task can be processed only after the workqueue is scheduled. In some cases, this workqueue scheduling takes a long time. As a result, the mbx or reset service task cannot be processed in time. So add some warning message to improve debugging efficiency for this case. Signed-off-by:
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Jiapeng Chong authored
Eliminate the follow smatch warning: drivers/net/usb/lan78xx.c:4961 lan78xx_resume() warn: inconsistent indenting. Reported-by:
Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by:
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Jakub Kicinski authored
Kuniyuki Iwashima says: ==================== dccp/tcp: Minor fixes for inet_csk_listen_start(). The first patch removes an unused argument, and the second removes a stale comment. ==================== Link: https://lore.kernel.org/r/20211122101622.50572-1-kuniyu@amazon.co.jpSigned-off-by:
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Kuniyuki Iwashima authored
This patch inlines dccp_listen_start() and removes a stale comment in inet_dccp_listen() so that it looks like inet_listen(). Signed-off-by:
Kuniyuki Iwashima <kuniyu@amazon.co.jp> Reviewed-by:
Richard Sailer <richard_siegfried@systemli.org> Signed-off-by:
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Kuniyuki Iwashima authored
The commit 1295e2cf ("inet: minor optimization for backlog setting in listen(2)") added change so that sk_max_ack_backlog is initialised earlier in inet_dccp_listen() and inet_listen(). Since then, we no longer use backlog in inet_csk_listen_start(), so let's remove it. Signed-off-by:
Yafang Shao <laoar.shao@gmail.com> Reviewed-by:
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Kurt Kanzenbach authored
The clock domain crossing error (CDC) is calculated at every fetch of Tx or Rx timestamps. It includes a division. Especially on arm32 based systems it is expensive. It also requires two conditionals in the hotpath. Add a compensation value cache to struct plat_stmmacenet_data and subtract it unconditionally in the RX/TX functions which spares the conditionals. The value is initialized to 0 and if supported calculated in the PTP initialization code. Suggested-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Kurt Kanzenbach <kurt@linutronix.de> Link: https://lore.kernel.org/r/20211122111931.135135-1-kurt@linutronix.deSigned-off-by:
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- 23 Nov, 2021 14 commits
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Jakub Kicinski authored
.ndo_change_proto_down was added seemingly to enable out-of-tree implementations. Over 2.5yrs later we still have no real users upstream. Hardwire the generic implementation for now, we can revert once real users materialize. (rocker is a test vehicle, not a user.) We need to drop the optimization on the sysfs side, because unlike ndos priv_flags will be changed at runtime, so we'd need READ_ONCE/WRITE_ONCE everywhere.. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queueDavid S. Miller authored
Tony Nguyen says: ==================== 100GbE Intel Wired LAN Driver Updates 2021-11-22 Shiraz Saleem says: Currently E800 devices come up as RoCEv2 devices by default. This series add supports for users to configure iWARP or RoCEv2 functionality per PCI function. devlink parameters is used to realize this and is keyed off similar work in [1]. [1] https://lore.kernel.org/linux-rdma/20210810132424.9129-1-parav@nvidia.com/ ==================== Signed-off-by:
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David S. Miller authored
Marek Behún says: ==================== Add 5gbase-r support for mvpp2 this adds support for 5gbase-r for mvpp2 driver. Current versions of TF-A firmware support changing the PHY to 5gbase-r via SMC calls, at least on Macchiatobin. Tested on Macchiatobin. ==================== Signed-off-by: -
Marek Behún authored
Add support for PHY_INTERFACE_MODE_5GBASER. Signed-off-by:
Marek Behún <kabel@kernel.org> Signed-off-by:
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Marek Behún authored
Add support for PHY_INTERFACE_MODE_5GBASER mode within the Marvell CP110 common PHY driver. This is currently only supported via SMC calls to TF-A. Legacy support may be added later, if needed. Signed-off-by:
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Gerhard Engleder authored
Commit 4dfb9982 ("tsn: Fix build.") fixed compilation with const dev_addr. In tsnep_netdev_set_mac_address() the call of ether_addr_copy() was replaced with dev_set_mac_address(), which calls ndo_set_mac_address(). This results in an endless recursive loop because ndo_set_mac_address is set to tsnep_netdev_set_mac_address. Call eth_hw_addr_set() instead of dev_set_mac_address() in ndo_set_mac_address()/tsnep_netdev_set_mac_address() to copy the address as intended. [ 26.563303] Insufficient stack space to handle exception! [ 26.563312] ESR: 0x96000047 -- DABT (current EL) [ 26.563317] FAR: 0xffff80000a507fc0 [ 26.563320] Task stack: [0xffff80000a508000..0xffff80000a50c000] [ 26.563324] IRQ stack: [0xffff80000a0c0000..0xffff80000a0c4000] [ 26.563327] Overflow stack: [0xffff00007fbaf2b0..0xffff00007fbb02b0] [ 26.563333] CPU: 3 PID: 381 Comm: ifconfig Not tainted 5.16.0-rc1-zynqmp #60 [ 26.563340] Hardware name: TSN endpoint (DT) [ 26.563343] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.563351] pc : inetdev_event+0x4/0x560 [ 26.563364] lr : raw_notifier_call_chain+0x54/0x78 [ 26.563372] sp : ffff80000a508040 [ 26.563374] x29: ffff80000a508040 x28: ffff00000132b800 x27: 0000000000000000 [ 26.563386] x26: 0000000000000000 x25: ffff800000ea5058 x24: 0904030201020001 [ 26.563396] x23: ffff800000ea5058 x22: ffff80000a5080e0 x21: 0000000000000009 [ 26.563405] x20: 00000000fffffffa x19: ffff80000a009510 x18: 0000000000000000 [ 26.563414] x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffffd1341030 [ 26.563422] x14: ffffffffffffffff x13: 0000000000000020 x12: 0101010101010101 [ 26.563432] x11: 0000000000000020 x10: 0101010101010101 x9 : 7f7f7f7f7f7f7f7f [ 26.563441] x8 : 7f7f7f7f7f7f7f7f x7 : fefefeff30677364 x6 : 0000000080808080 [ 26.563450] x5 : 0000000000000000 x4 : ffff800008dee170 x3 : ffff80000a50bd42 [ 26.563459] x2 : ffff80000a5080e0 x1 : 0000000000000009 x0 : ffff80000a0092d0 [ 26.563470] Kernel panic - not syncing: kernel stack overflow [ 26.563474] CPU: 3 PID: 381 Comm: ifconfig Not tainted 5.16.0-rc1-zynqmp #60 [ 26.563481] Hardware name: TSN endpoint (DT) [ 26.563484] Call trace: [ 26.563486] dump_backtrace+0x0/0x1b0 [ 26.563497] show_stack+0x18/0x68 [ 26.563504] dump_stack_lvl+0x68/0x84 [ 26.563513] dump_stack+0x18/0x34 [ 26.563519] panic+0x164/0x324 [ 26.563524] nmi_panic+0x64/0x98 [ 26.563533] panic_bad_stack+0x108/0x128 [ 2k6.563539] handle_bad_stack+0x38/0x68 [ 26.563548] __bad_stack+0x88/0x8c [ 26.563553] inetdev_event+0x4/0x560 [ 26.563560] call_netdevice_notifiers_info+0x58/0xa8 [ 26.563569] dev_set_mac_address+0x78/0x110 [ 26.563576] tsnep_netdev_set_mac_address+0x38/0x60 [tsnep] [ 26.563591] dev_set_mac_address+0xc4/0x110 [ 26.563599] tsnep_netdev_set_mac_address+0x38/0x60 [tsnep] ... [ 26.565444] dev_set_mac_address+0xc4/0x110 [ 26.565452] tsnep_netdev_set_mac_address+0x38/0x60 [tsnep] [ 26.565462] dev_set_mac_address+0xc4/0x110 [ 26.565469] dev_set_mac_address_user+0x44/0x68 [ 26.565477] dev_ifsioc+0x30c/0x568 [ 26.565483] dev_ioctl+0x124/0x3f0 [ 26.565489] sock_do_ioctl+0xb4/0xf8 [ 26.565497] sock_ioctl+0x2f4/0x398 [ 26.565503] __arm64_sys_ioctl+0xa8/0xe8 [ 26.565511] invoke_syscall+0x44/0x108 [ 26.565520] el0_svc_common.constprop.3+0x94/0xf8 [ 26.565527] do_el0_svc+0x24/0x88 [ 26.565534] el0_svc+0x20/0x50 [ 26.565541] el0t_64_sync_handler+0x90/0xb8 [ 26.565548] el0t_64_sync+0x180/0x184 [ 26.565556] SMP: stopping secondary CPUs [ 26.565622] Kernel Offset: disabled [ 26.565624] CPU features: 0x0,00004002,00000846 [ 26.565628] Memory Limit: none [ 27.843428] ---[ end Kernel panic - not syncing: kernel stack overflow ]--- Fixes: 4dfb9982 ("tsn: Fix build.") Signed-off-by:
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David S. Miller authored
Ansuel Smith says: ==================== Add mirror and LAG support to qca8k With the continue of adding 'Multiple feature to qca8k' The switch supports mirror mode and LAG. In mirror mode a port is set as mirror and other port are configured to both igress or egress mode. With no port configured for mirror, the mirror port is disabled and reverted to normal port. The switch supports max 4 LAG with 4 different member max. Current supported mode is Hash mode in both L2 or L2+3 mode. There is a problematic implementation for the hash mode where with multiple LAG configured, someone has to remove them to change the hash mode as it's global. When a member of the LAG is disconnected, the traffic is redirected to the other port. Some warning are present from checkpatch but can't really be fixed as it would result in making the regs less readable. (They really did their best with the LAG reg logic and complexity) ==================== Signed-off-by: -
Ansuel Smith authored
Add LAG support to this switch. In Documentation this is described as trunk mode. A max of 4 LAGs are supported and each can support up to 4 port. The current tx mode supported is Hash mode with both L2 and L2+3 mode. When no port are present in the trunk, the trunk is disabled in the switch. When a port is disconnected, the traffic is redirected to the other available port. The hash mode is global and each LAG require to have the same hash mode set. To change the hash mode when multiple LAG are configured, it's required to remove each LAG and set the desired hash mode to the last. An error is printed when it's asked to set a not supported hadh mode. Signed-off-by:
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Ansuel Smith authored
The switch supports mirror mode. Only one port can set as mirror port and every other port can set to both ingress and egress mode. The mirror port is disabled and reverted to normal operation once every port is removed from sending packet to it. Signed-off-by:
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Yajun Deng authored
Add neigh_confirm() for the confirmed member in struct neighbour, it can be called as an independent unit by other functions. Signed-off-by:
Yajun Deng <yajun.deng@linux.dev> Reviewed-by:
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Jeremy Kerr authored
This change adds a MCTP Serial transport binding, as defined by DMTF specificiation DSP0253 - "MCTP Serial Transport Binding". This is implemented as a new serial line discipline, and can be attached to arbitrary tty devices. From the Kconfig description: This driver provides an MCTP-over-serial interface, through a serial line-discipline, as defined by DMTF specification "DSP0253 - MCTP Serial Transport Binding". By attaching the ldisc to a serial device, we get a new net device to transport MCTP packets. This allows communication with external MCTP endpoints which use serial as their transport. It can also be used as an easy way to provide MCTP connectivity between virtual machines, by forwarding data between simple virtual serial devices. Say y here if you need to connect to MCTP endpoints over serial. To compile as a module, use m; the module will be called mctp-serial. Once the N_MCTP line discipline is set [using ioctl(TCIOSETD)], we get a new netdev suitable for MCTP communication. The 'mctp' utility[1] provides a simple wrapper for this ioctl, using 'link serial <device>': # mctp link serial /dev/ttyS0 & # mctp link dev lo index 1 address 0x00:00:00:00:00:00 net 1 mtu 65536 up dev mctpserial0 index 5 address 0x(no-addr) net 1 mtu 68 down [1]: https://github.com/CodeConstruct/mctpSigned-off-by:
Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by:
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David S. Miller authored
Ido Schimmel says: ==================== mlxsw: Various updates Patch #1 removes deadcode reported by Coverity. Patch #2 adds a shutdown method in the PCI driver to ensure the kexeced kernel starts working with a device that is in a sane state. ==================== Signed-off-by: -
Danielle Ratson authored
On an arm64 platform with the Spectrum ASIC, after loading and executing a new kernel via kexec, the following trace [1] is observed. This seems to be caused by the fact that the device is not properly shutdown before executing the new kernel. Fix this by implementing a shutdown method which mirrors the remove method, as recommended by the kexec maintainer [2][3]. [1] BUG: Bad page state in process devlink pfn:22f73d page:fffffe00089dcf40 refcount:-1 mapcount:0 mapping:0000000000000000 index:0x0 flags: 0x2ffff00000000000() raw: 2ffff00000000000 0000000000000000 ffffffff089d0201 0000000000000000 raw: 0000000000000000 0000000000000000 ffffffffffffffff 0000000000000000 page dumped because: nonzero _refcount Modules linked in: CPU: 1 PID: 16346 Comm: devlink Tainted: G B 5.8.0-rc6-custom-273020-gac6b365b1bf5 #44 Hardware name: Marvell Armada 7040 TX4810M (DT) Call trace: dump_backtrace+0x0/0x1d0 show_stack+0x1c/0x28 dump_stack+0xbc/0x118 bad_page+0xcc/0xf8 check_free_page_bad+0x80/0x88 __free_pages_ok+0x3f8/0x418 __free_pages+0x38/0x60 kmem_freepages+0x200/0x2a8 slab_destroy+0x28/0x68 slabs_destroy+0x60/0x90 ___cache_free+0x1b4/0x358 kfree+0xc0/0x1d0 skb_free_head+0x2c/0x38 skb_release_data+0x110/0x1a0 skb_release_all+0x2c/0x38 consume_skb+0x38/0x130 __dev_kfree_skb_any+0x44/0x50 mlxsw_pci_rdq_fini+0x8c/0xb0 mlxsw_pci_queue_fini.isra.0+0x28/0x58 mlxsw_pci_queue_group_fini+0x58/0x88 mlxsw_pci_aqs_fini+0x2c/0x60 mlxsw_pci_fini+0x34/0x50 mlxsw_core_bus_device_unregister+0x104/0x1d0 mlxsw_devlink_core_bus_device_reload_down+0x2c/0x48 devlink_reload+0x44/0x158 devlink_nl_cmd_reload+0x270/0x290 genl_rcv_msg+0x188/0x2f0 netlink_rcv_skb+0x5c/0x118 genl_rcv+0x3c/0x50 netlink_unicast+0x1bc/0x278 netlink_sendmsg+0x194/0x390 __sys_sendto+0xe0/0x158 __arm64_sys_sendto+0x2c/0x38 el0_svc_common.constprop.0+0x70/0x168 do_el0_svc+0x28/0x88 el0_sync_handler+0x88/0x190 el0_sync+0x140/0x180 [2] https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1195432.html [3] https://patchwork.kernel.org/project/linux-scsi/patch/20170212214920.28866-1-anton@ozlabs.org/#20116693 Cc: Eric Biederman <ebiederm@xmission.com> Signed-off-by:
Danielle Ratson <danieller@nvidia.com> Signed-off-by:
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Danielle Ratson authored
The function idr_for_each_entry() already checks that the next entry in the IDR is not NULL. Therefore, checking that again in every iteration leads to deadcode. Remove the unnecessary check in order to avoid that. Addresses-Coverity: ("Logically dead code") Signed-off-by:
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- 22 Nov, 2021 7 commits
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Shiraz Saleem authored
Set the RDMA protocol to use at driver bind time based on the ice PF's rdma_mode flag. Signed-off-by:
Shiraz Saleem <shiraz.saleem@intel.com> Tested-by:
Leszek Kaliszczuk <leszek.kaliszczuk@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com>
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Shiraz Saleem authored
Allow support for 'enable_iwarp' and 'enable_roce' devlink params to turn on/off iWARP or RoCE protocol support for E800 devices. For example, a user can turn on iWARP functionality with, devlink dev param set pci/0000:07:00.0 name enable_iwarp value true cmode runtime This add an iWARP auxiliary rdma device, ice.iwarp.<>, under this PF. A user request to enable both iWARP and RoCE under the same PF is rejected since this device does not support both protocols simultaneously on the same port. Signed-off-by:
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Shiraz Saleem authored
Add a new device generic parameter to enable and disable iWARP functionality on a multi-protocol RDMA device. Signed-off-by:
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David S. Miller authored
Ansuel Smith says: ==================== Multiple cleanup and feature for qca8k This is a reduced version of the old massive series. Refer to the changelog to know what is removed from this. We clean and convert the driver to GENMASK FIELD_PREP to clean multiple use of various naming scheme. (example we have a mix of _MASK, _S _M, and various name) The idea is to ""simplify"" and remove some shift and data handling by using FIELD API. The patch contains various checkpatch warning and are ignored to not create more mess in the header file. (fixing the too long line warning would results in regs definition less readable) We conver the driver to regmap API as ipq40xx SoC is based on the same reg structure and we need to generilize the read/write access to split the driver to commond and specific code. The conversion to regmap is NOT done for the read/write/rmw operation, the function are reworked to use the regmap helper instead. This is done to keep the patch delta low but will come sooner or later when the code will be split. Any new feature will directly use the regmap helper and the reg set/clear and the busy wait function are migrated to regmap helper as the use of these function is low. We also add a minor patch for MIB counter as qca8337 is missing 2 extra counter, support for mdb and ageing settings. v3: - Try to reduce regmap conversion patch v2: - Move regmap init to sw_probe instead of moving switch id check. - Removed LAGs, mirror extra features will come later in another smaller series. - Squash 2 ageing patch - Add more description about the regmap patch - Rework mdb patch to do operation under the same lock ==================== Signed-off-by: -
Ansuel Smith authored
Add support for mdb add/del function. The ARL table is used to insert the rule. The rule will be searched, deleted and reinserted with the port mask updated. The function will check if the rule has to be updated or insert directly with no deletion of the old rule. If every port is removed from the port mask, the rule is removed. The rule is set STATIC in the ARL table (aka it doesn't age) to not be flushed by fast age function. Signed-off-by:
Vladimir Oltean <olteanv@gmail.com> Signed-off-by:
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Ansuel Smith authored
qca8k support setting ageing time in step of 7s. Add support for it and set the max value accepted of 7645m. Documentation talks about support for 10000m but that values doesn't make sense as the value doesn't match the max value in the reg. Signed-off-by:
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Ansuel Smith authored
The switch supports fast aging by flushing any rule in the ARL table for a specific port. Signed-off-by:
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