- 19 Aug, 2019 7 commits
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David S. Miller authored
Heiner Kallweit says: ==================== net: phy: realtek: support NBase-T MMD EEE registers on RTL8125 Add missing EEE-related constants, including the new MMD EEE registers for NBase-T / 802.3bz. Based on that emulate the new 802.3bz MMD EEE registers for 2.5Gbps EEE on RTL8125. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Heiner Kallweit authored
Emulate the 802.3bz MMD EEE registers for 2.5Gbps EEE on RTL8125. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Heiner Kallweit authored
Add EEE-related constants. This includes the new MMD EEE registers for NBase-T / 802.3bz. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Vlad Buslov authored
RCU list block_ing_cb_list is protected by rcu read lock in flow_block_ing_cmd() and with flow_indr_block_ing_cb_lock mutex in all functions that use it. However, flow_block_ing_cmd() needs to call blocking functions while iterating block_ing_cb_list which leads to following suspicious RCU usage warning: [ 401.510948] ============================= [ 401.510952] WARNING: suspicious RCU usage [ 401.510993] 5.3.0-rc3+ #589 Not tainted [ 401.510996] ----------------------------- [ 401.511001] include/linux/rcupdate.h:265 Illegal context switch in RCU read-side critical section! [ 401.511004] other info that might help us debug this: [ 401.511008] rcu_scheduler_active = 2, debug_locks = 1 [ 401.511012] 7 locks held by test-ecmp-add-v/7576: [ 401.511015] #0: 00000000081d71a5 (sb_writers#4){.+.+}, at: vfs_write+0x166/0x1d0 [ 401.511037] #1: 000000002bd338c3 (&of->mutex){+.+.}, at: kernfs_fop_write+0xef/0x1b0 [ 401.511051] #2: 00000000c921c634 (kn->count#317){.+.+}, at: kernfs_fop_write+0xf7/0x1b0 [ 401.511062] #3: 00000000a19cdd56 (&dev->mutex){....}, at: sriov_numvfs_store+0x6b/0x130 [ 401.511079] #4: 000000005425fa52 (pernet_ops_rwsem){++++}, at: unregister_netdevice_notifier+0x30/0x140 [ 401.511092] #5: 00000000c5822793 (rtnl_mutex){+.+.}, at: unregister_netdevice_notifier+0x35/0x140 [ 401.511101] #6: 00000000c2f3507e (rcu_read_lock){....}, at: flow_block_ing_cmd+0x5/0x130 [ 401.511115] stack backtrace: [ 401.511121] CPU: 21 PID: 7576 Comm: test-ecmp-add-v Not tainted 5.3.0-rc3+ #589 [ 401.511124] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017 [ 401.511127] Call Trace: [ 401.511138] dump_stack+0x85/0xc0 [ 401.511146] ___might_sleep+0x100/0x180 [ 401.511154] __mutex_lock+0x5b/0x960 [ 401.511162] ? find_held_lock+0x2b/0x80 [ 401.511173] ? __tcf_get_next_chain+0x1d/0xb0 [ 401.511179] ? mark_held_locks+0x49/0x70 [ 401.511194] ? __tcf_get_next_chain+0x1d/0xb0 [ 401.511198] __tcf_get_next_chain+0x1d/0xb0 [ 401.511251] ? uplink_rep_async_event+0x70/0x70 [mlx5_core] [ 401.511261] tcf_block_playback_offloads+0x39/0x160 [ 401.511276] tcf_block_setup+0x1b0/0x240 [ 401.511312] ? mlx5e_rep_indr_setup_tc_cb+0xca/0x290 [mlx5_core] [ 401.511347] ? mlx5e_rep_indr_tc_block_unbind+0x50/0x50 [mlx5_core] [ 401.511359] tc_indr_block_get_and_ing_cmd+0x11b/0x1e0 [ 401.511404] ? mlx5e_rep_indr_tc_block_unbind+0x50/0x50 [mlx5_core] [ 401.511414] flow_block_ing_cmd+0x7e/0x130 [ 401.511453] ? mlx5e_rep_indr_tc_block_unbind+0x50/0x50 [mlx5_core] [ 401.511462] __flow_indr_block_cb_unregister+0x7f/0xf0 [ 401.511502] mlx5e_nic_rep_netdevice_event+0x75/0xb0 [mlx5_core] [ 401.511513] unregister_netdevice_notifier+0xe9/0x140 [ 401.511554] mlx5e_cleanup_rep_tx+0x6f/0xe0 [mlx5_core] [ 401.511597] mlx5e_detach_netdev+0x4b/0x60 [mlx5_core] [ 401.511637] mlx5e_vport_rep_unload+0x71/0xc0 [mlx5_core] [ 401.511679] esw_offloads_disable+0x5b/0x90 [mlx5_core] [ 401.511724] mlx5_eswitch_disable.cold+0xdf/0x176 [mlx5_core] [ 401.511759] mlx5_device_disable_sriov+0xab/0xb0 [mlx5_core] [ 401.511794] mlx5_core_sriov_configure+0xaf/0xd0 [mlx5_core] [ 401.511805] sriov_numvfs_store+0xf8/0x130 [ 401.511817] kernfs_fop_write+0x122/0x1b0 [ 401.511826] vfs_write+0xdb/0x1d0 [ 401.511835] ksys_write+0x65/0xe0 [ 401.511847] do_syscall_64+0x5c/0xb0 [ 401.511857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.511862] RIP: 0033:0x7fad892d30f8 [ 401.511868] Code: 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 25 96 0d 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 60 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 401.511871] RSP: 002b:00007ffca2a9fad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 401.511875] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fad892d30f8 [ 401.511878] RDX: 0000000000000002 RSI: 000055afeb072a90 RDI: 0000000000000001 [ 401.511881] RBP: 000055afeb072a90 R08: 00000000ffffffff R09: 000000000000000a [ 401.511884] R10: 000055afeb058710 R11: 0000000000000246 R12: 0000000000000002 [ 401.511887] R13: 00007fad893a8780 R14: 0000000000000002 R15: 00007fad893a3740 To fix the described incorrect RCU usage, convert block_ing_cb_list from RCU list to regular list and protect it with flow_indr_block_ing_cb_lock mutex in flow_block_ing_cmd(). Fixes: 1150ab0f ("flow_offload: support get multi-subsystem block") Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller authored
Merge conflict of mlx5 resolved using instructions in merge commit 9566e650. Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Fix jmp to 1st instruction in x64 JIT, from Alexei Starovoitov. 2) Severl kTLS fixes in mlx5 driver, from Tariq Toukan. 3) Fix severe performance regression due to lack of SKB coalescing of fragments during local delivery, from Guillaume Nault. 4) Error path memory leak in sch_taprio, from Ivan Khoronzhuk. 5) Fix batched events in skbedit packet action, from Roman Mashak. 6) Propagate VLAN TX offload to hw_enc_features in bond and team drivers, from Yue Haibing. 7) RXRPC local endpoint refcounting fix and read after free in rxrpc_queue_local(), from David Howells. 8) Fix endian bug in ibmveth multicast list handling, from Thomas Falcon. 9) Oops, make nlmsg_parse() wrap around the correct function, __nlmsg_parse not __nla_parse(). Fix from David Ahern. 10) Memleak in sctp_scend_reset_streams(), fro Zheng Bin. 11) Fix memory leak in cxgb4, from Wenwen Wang. 12) Yet another race in AF_PACKET, from Eric Dumazet. 13) Fix false detection of retransmit failures in tipc, from Tuong Lien. 14) Use after free in ravb_tstamp_skb, from Tho Vu. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits) ravb: Fix use-after-free ravb_tstamp_skb netfilter: nf_tables: map basechain priority to hardware priority net: sched: use major priority number as hardware priority wimax/i2400m: fix a memory leak bug net: cavium: fix driver name ibmvnic: Unmap DMA address of TX descriptor buffers after use bnxt_en: Fix to include flow direction in L2 key bnxt_en: Use correct src_fid to determine direction of the flow bnxt_en: Suppress HWRM errors for HWRM_NVM_GET_VARIABLE command bnxt_en: Fix handling FRAG_ERR when NVM_INSTALL_UPDATE cmd fails bnxt_en: Improve RX doorbell sequence. bnxt_en: Fix VNIC clearing logic for 57500 chips. net: kalmia: fix memory leaks cx82310_eth: fix a memory leak bug bnx2x: Fix VF's VLAN reconfiguration in reload. Bluetooth: Add debug setting for changing minimum encryption key size tipc: fix false detection of retransmit failures lan78xx: Fix memory leaks MAINTAINERS: r8169: Update path to the driver MAINTAINERS: PHY LIBRARY: Update files in the record ...
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David Howells authored
The maximum key description size is 4095. Commit f771fde8 ("keys: Simplify key description management") inadvertantly reduced that to 255 and made sizes between 256 and 4095 work weirdly, and any size whereby size & 255 == 0 would cause an assertion in __key_link_begin() at the following line: BUG_ON(index_key->desc_len == 0); This can be fixed by simply increasing the size of desc_len in struct keyring_index_key to a u16. Note the argument length test in keyutils only checked empty descriptions and descriptions with a size around the limit (ie. 4095) and not for all the values in between, so it missed this. This has been addressed and https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/keyutils.git/commit/?id=066bf56807c26cd3045a25f355b34c1d8a20a5aa now exhaustively tests all possible lengths of type, description and payload and then some. The assertion failure looks something like: kernel BUG at security/keys/keyring.c:1245! ... RIP: 0010:__key_link_begin+0x88/0xa0 ... Call Trace: key_create_or_update+0x211/0x4b0 __x64_sys_add_key+0x101/0x200 do_syscall_64+0x5b/0x1e0 entry_SYSCALL_64_after_hwframe+0x44/0xa9 It can be triggered by: keyctl add user "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" a @s Fixes: f771fde8 ("keys: Simplify key description management") Reported-by: kernel test robot <rong.a.chen@intel.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 18 Aug, 2019 33 commits
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Linus Torvalds authored
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Yonglong Liu authored
This patch adds the call to phy_attached_info() to the hns driver to identify which exact PHY drivers is in use. Suggested-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Tho Vu authored
When a Tx timestamp is requested, a pointer to the skb is stored in the ravb_tstamp_skb struct. This was done without an skb_get. There exists the possibility that the skb could be freed by ravb_tx_free (when ravb_tx_free is called from ravb_start_xmit) before the timestamp was processed, leading to a use-after-free bug. Use skb_get when filling a ravb_tstamp_skb struct, and add appropriate frees/consumes when a ravb_tstamp_skb struct is freed. Fixes: c156633f ("Renesas Ethernet AVB driver proper") Signed-off-by: Tho Vu <tho.vu.wh@rvc.renesas.com> Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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Stefan Roese authored
This patch adds support for the MediaTek MT7628/88 SoCs to the common MediaTek ethernet driver. Some minor changes are needed for this and a bigger change, as the MT7628 does not support QDMA (only PDMA). Signed-off-by: Stefan Roese <sr@denx.de> Cc: René van Dorst <opensource@vdorst.com> Cc: Daniel Golle <daniel@makrotopia.org> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Stefan Roese authored
Rename the NEXT_RX_DESP_IDX macro to NEXT_DESP_IDX, so that it better can be used for TX ops as well. This will be used in the upcoming MT7628/88 support (same functionality for RX and TX in this macro). Signed-off-by: Stefan Roese <sr@denx.de> Cc: René van Dorst <opensource@vdorst.com> Cc: Daniel Golle <daniel@makrotopia.org> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Stefan Roese authored
Currently all QDMA registers are named "MTK_QDMA_foo" in this driver with one exception: MTK_QMTK_INT_STATUS. This patch renames MTK_QMTK_INT_STATUS to MTK_QDMA_INT_STATUS so that all macros follow this rule. Signed-off-by: Stefan Roese <sr@denx.de> Cc: René van Dorst <opensource@vdorst.com> Cc: Daniel Golle <daniel@makrotopia.org> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Stefan Roese authored
Add compatible for the ethernet IP core on MT7628/88 SoCs. Its compatible with the older Ralink Rt5350F SoC. And OpenWrt already uses this compatible string for the MT76x8. Signed-off-by: Stefan Roese <sr@denx.de> Cc: René van Dorst <opensource@vdorst.com> Cc: Daniel Golle <daniel@makrotopia.org> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Cc: devicetree@vger.kernel.org Cc: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Ivan Vecera authored
Adaptive coalescing is managed per adapter not per event queue so it does not needed to store 'enable' flag for each event queue. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Pablo Neira Ayuso says: ==================== flow_offload hardware priority fixes This patchset contains two updates for the flow_offload users: 1) Pass the major tc priority to drivers so they do not have to lshift it. This is a preparation patch for the fix coming in patch #2. 2) Set the hardware priority from the netfilter basechain priority, some drivers break when using the existing hardware priority number that is set to zero. v5: fix patch 2/2 to address a clang warning and to simplify the priority mapping. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso authored
This patch adds initial support for offloading basechains using the priority range from 1 to 65535. This is restricting the netfilter priority range to 16-bit integer since this is what most drivers assume so far from tc. It should be possible to extend this range of supported priorities later on once drivers are updated to support for 32-bit integer priorities. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso authored
tc transparently maps the software priority number to hardware. Update it to pass the major priority which is what most drivers expect. Update drivers too so they do not need to lshift the priority field of the flow_cls_common_offload object. The stmmac driver is an exception, since this code assumes the tc software priority is fine, therefore, lshift it just to be conservative. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Wenwen Wang authored
In i2400m_barker_db_init(), 'options_orig' is allocated through kstrdup() to hold the original command line options. Then, the options are parsed. However, if an error occurs during the parsing process, 'options_orig' is not deallocated, leading to a memory leak bug. To fix this issue, free 'options_orig' before returning the error. Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
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Stephen Hemminger authored
The driver name gets exposed in sysfs under /sys/bus/pci/drivers so it should look like other devices. Change it to be common format (instead of "Cavium PTP"). This is a trivial fix that was observed by accident because Debian kernels were building this driver into kernel (bug). Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jon Maloy authored
The policy for handling the skb list locks on the send and receive paths is simple. - On the send path we never need to grab the lock on the 'xmitq' list when the destination is an exernal node. - On the receive path we always need to grab the lock on the 'inputq' list, irrespective of source node. However, when transmitting node local messages those will eventually end up on the receive path of a local socket, meaning that the argument 'xmitq' in tipc_node_xmit() will become the 'ínputq' argument in the function tipc_sk_rcv(). This has been handled by always initializing the spinlock of the 'xmitq' list at message creation, just in case it may end up on the receive path later, and despite knowing that the lock in most cases never will be used. This approach is inaccurate and confusing, and has also concealed the fact that the stated 'no lock grabbing' policy for the send path is violated in some cases. We now clean up this by never initializing the lock at message creation, instead doing this at the moment we find that the message actually will enter the receive path. At the same time we fix the four locations where we incorrectly access the spinlock on the send/error path. This patch also reverts commit d12cffe9 ("tipc: ensure head->lock is initialised") which has now become redundant. CC: Eric Dumazet <edumazet@google.com> Reported-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Reviewed-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Thomas Falcon authored
There's no need to wait until a completion is received to unmap TX descriptor buffers that have been passed to the hypervisor. Instead unmap it when the hypervisor call has completed. This patch avoids the possibility that a buffer will not be unmapped because a TX completion is lost or mishandled. Reported-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com> Tested-by: Devesh K. Singh <devesh_singh@in.ibm.com> Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Michael Chan says: ==================== bnxt_en: Bug fixes. 2 Bug fixes related to 57500 shutdown sequence and doorbell sequence, 2 TC Flower bug fixes related to the setting of the flow direction, 1 NVRAM update bug fix, and a minor fix to suppress an unnecessary error message. Please queue for -stable as well. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Somnath Kotur authored
FW expects the driver to provide unique flow reference handles for Tx or Rx flows. When a Tx flow and an Rx flow end up sharing a reference handle, flow offload does not seem to work. This could happen in the case of 2 flows having their L2 fields wildcarded but in different direction. Fix to incorporate the flow direction as part of the L2 key v2: Move the dir field to the end of the bnxt_tc_l2_key struct to fix the warning reported by kbuild test robot <lkp@intel.com>. There is existing code that initializes the structure using nested initializer and will warn with the new u8 field added to the beginning. The structure also packs nicer when this new u8 is added to the end of the structure [MChan]. Fixes: abd43a13 ("bnxt_en: Support for 64-bit flow handle.") Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Venkat Duvvuru authored
Direction of the flow is determined using src_fid. For an RX flow, src_fid is PF's fid and for TX flow, src_fid is VF's fid. Direction of the flow must be specified, when getting statistics for that flow. Currently, for DECAP flow, direction is determined incorrectly, i.e., direction is initialized as TX for DECAP flow, instead of RX. Because of which, stats are not reported for this DECAP flow, though it is offloaded and there is traffic for that flow, resulting in flow age out. This patch fixes the problem by determining the DECAP flow's direction using correct fid. Set the flow direction in all cases for consistency even if 64-bit flow handle is not used. Fixes: abd43a13 ("bnxt_en: Support for 64-bit flow handle.") Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Vasundhara Volam authored
For newly added NVM parameters, older firmware may not have the support. Suppress the error message to avoid the unncessary error message which is triggered when devlink calls the driver during initialization. Fixes: 782a624d ("bnxt_en: Add bnxt_en initial params table and register it.") Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Vasundhara Volam authored
If FW returns FRAG_ERR in response error code, driver is resending the command only when HWRM command returns success. Fix the code to resend NVM_INSTALL_UPDATE command with DEFRAG install flags, if FW returns FRAG_ERR in its response error code. Fixes: cb4d1d62 ("bnxt_en: Retry failed NVM_INSTALL_UPDATE with defragmentation flag enabled.") Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan authored
When both RX buffers and RX aggregation buffers have to be replenished at the end of NAPI, post the RX aggregation buffers first before RX buffers. Otherwise, we may run into a situation where there are only RX buffers without RX aggregation buffers for a split second. This will cause the hardware to abort the RX packet and report buffer errors, which will cause unnecessary cleanup by the driver. Ringing the Aggregation ring doorbell first before the RX ring doorbell will prevent some of these buffer errors. Use the same sequence during ring initialization as well. Fixes: 697197e5 ("bnxt_en: Re-structure doorbells.") Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan authored
During device shutdown, the VNIC clearing sequence needs to be modified to free the VNIC first before freeing the RSS contexts. The current code is doing the reverse and we can get mis-directed RX completions to CP ring ID 0 when the RSS contexts are freed and zeroed. The clearing of RSS contexts is not required with the new sequence. Refactor the VNIC clearing logic into a new function bnxt_clear_vnic() and do the chip specific VNIC clearing sequence. Fixes: 7b3af4f7 ("bnxt_en: Add RSS support for 57500 chips.") Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Wenwen Wang authored
In kalmia_init_and_get_ethernet_addr(), 'usb_buf' is allocated through kmalloc(). In the following execution, if the 'status' returned by kalmia_send_init_packet() is not 0, 'usb_buf' is not deallocated, leading to memory leaks. To fix this issue, add the 'out' label to free 'usb_buf'. Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
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Wenwen Wang authored
In cx82310_bind(), 'dev->partial_data' is allocated through kmalloc(). Then, the execution waits for the firmware to become ready. If the firmware is not ready in time, the execution is terminated. However, the allocated 'dev->partial_data' is not deallocated on this path, leading to a memory leak bug. To fix this issue, free 'dev->partial_data' before returning the error. Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Huazhong Tan says: ==================== net: hns3: add some cleanups & bugfix This patch-set includes cleanups and bugfix for the HNS3 ethernet controller driver. [patch 01/06 - 03/06] adds some cleanups. [patch 04/06] changes the print level of RAS. [patch 05/06] fixes a bug related to MAC TNL. [patch 06/06] adds phy_attached_info(). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Yonglong Liu authored
This patch adds the call to phy_attached_info() to the hns3 driver to identify which exact PHY drivers and models is in use. Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Reviewed-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Huazhong Tan authored
MAC TNL interrupt is used to collect statistic info about link status changing suddenly when netdev is running. But when stopping netdev, the enabled MAC TNL interrupt is unnecessary, and may add some noises to the statistic info. So this patch disables it before stopping MAC. Fixes: a6345787 ("net: hns3: Add handling of MAC tunnel interruption") Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Reviewed-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Xiaofei Tan authored
This patch changes print level of RAS error log from warning to error. Because RAS error and its recovery process could cause application failure. Also uses %u instead of %d when the parameter is unsigned. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Weihang Li <liweihang@hisilicon.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Guojia Liao authored
The pointer type parameter should be declare as const for preventing from its pointed value being unexpected modified. The uninitialized variable can not be return directly. The default return value is 0 if no abnormal result. This patch fixes the preceding two errors, deletes redundant declaration of a function and align one parameter. Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Weihang Li <liweihang@hisilicon.com> Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Guojia Liao authored
Some temporary variables do not need to be initialized that they will be set before used, so this patch deletes the initialization value of these temporary variables. Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huzhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Guojia Liao authored
To explain some code, this patch adds some comments, and modifies or merges some comments to make them more neat. Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Zhongzhu Liu <liuzhongzhu@huawei.com> Signed-off-by: Weihang Li <liweihang@hisilicon.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linuxLinus Torvalds authored
Pull MTD fix from Richard Weinberger: "A single fix for MTD to correctly set the spi-nor WP pin" * tag 'fixes-for-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: mtd: spi-nor: Fix the disabling of write protection at init
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Manish Chopra authored
Commit 04f05230 ("bnx2x: Remove configured vlans as part of unload sequence."), introduced a regression in driver that as a part of VF's reload flow, VLANs created on the VF doesn't get re-configured in hardware as vlan metadata/info was not getting cleared for the VFs which causes vlan PING to stop. This patch clears the vlan metadata/info so that VLANs gets re-configured back in the hardware in VF's reload flow and PING/traffic continues for VLANs created over the VFs. Fixes: 04f05230 ("bnx2x: Remove configured vlans as part of unload sequence.") Signed-off-by: Manish Chopra <manishc@marvell.com> Signed-off-by: Sudarsana Kalluru <skalluru@marvell.com> Signed-off-by: Shahed Shaikh <shshaikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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