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2021-09-01habanalabs: add support for f/w resetOded Gabbay5-35/+61
When the f/w runs in secured mode, it can reset the ASIC when certain events occur. In unsecured mode, the driver asks the f/w to reset the ASIC for those events. We need to perform the entire reset procedure but without accessing the ASIC. i.e. without halting the engines and without sending messages to the f/w. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: block ICACHE_BASE_ADDERESS_HIGH in TPCOded Gabbay1-0/+8
This register shouldn't be modified by user. Prefetch is disabled in Gaudi. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: cannot sleep while holding spinlockfarah kassabri2-3/+1
Fix 2 areas in the code where it's possible the code will go to sleep while holding a spinlock. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: farah kassabri <fkassabri@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: never copy_from_user inside spinlockOded Gabbay1-23/+12
copy_from_user might sleep so we can never call it when we have a spinlock. Moreover, it is not necessary in waiting for user interrupt, because if multiple threads will call this function on the same interrupt, each one will have it's own fence object inside the driver. The user address might be the same, but it doesn't really matter to us, as we only read from it. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: remove unnecessary device status checkOded Gabbay1-4/+6
Checking if the device is operational when entering the function to wait for user interrupt is not something that is useful or necessary. It is not done in any other wait_for_cs ioctl path. If the device becomes non-operational during the wait, the reset function will make sure the process wait is interrupted. Instead, move the check to the beginning of hl_wait_ioctl(). It will block any attempt to wait on CS or user interrupt once the device is already marked as non-operational. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: disable IRQ in user interrupts spinlockOded Gabbay1-12/+13
Because this spinlock is taken in an interrupt handler, we must use the spin_lock_irqsave/irqrestore version to disable the interrupts on the local CPU. Otherwise, we can have a potential deadlock (if the interrupt handler is scheduled to run on the same cpu that the code who took the lock was running on). Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: add "in device creation" statusOmer Shpigelman5-17/+20
On init, the disabled state is cleared right before hw_init and that causes the device to report on "Operational" state before the device initialization is finished. Although the char device is not yet exposed to the user at this stage, the sysfs entries are exposed. This can cause errors in monitoring applications that use the sysfs entries. In order to avoid this, a new state "in device creation" is introduced to ne reported when the device is not disabled but is still in init flow. Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: invalidate PMMU mem cache on initOded Gabbay1-0/+3
This must be done to clear the internal mem cache so we won't get ecc errors on the first invalidation. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: size should be printed in decimalOded Gabbay1-2/+2
It's more readable for the size to be in decimal. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: define DC POWER for secured PMCOded Gabbay2-1/+7
In secured mode, the CGM is disabled. Therefore, the DC power is higher. Without taking it into consideration, the utilization is 12-15% at idle. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: unmask out of bounds SLM access interruptTomer Tayar1-1/+1
The out of bounds SLM access TPC interrupt indicates a severe compiler bug and needs to be informed to user. This interrupt is currently masked so unmask it. Signed-off-by: Tomer Tayar <ttayar@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: add userptr_lookup node in debugfsYuri Nudelman4-19/+101
It is useful to have the ability to see which user address was pinned to which physical address during the initial mapping. We already have all that info stored, but no means to search this data (which may be quite large). Signed-off-by: Yuri Nudelman <ynudelman@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: fetch TPC/MME ECC errors from F/WOfir Bitton1-0/+6
In case F/W security is enabled driver cannot access ECC registers, hence driver must fetch the ECC info from F/W. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: modify multi-CS to wait on stream mastersOhad Sharabi6-28/+77
During the integration, the multi-CS requirements were refined: - The multi CS call shall wait on "per-ASIC" predefined stream masters instead of set of streams. - Stream masters are set of QIDs used by the upper SW layers (synapse) for completion (must be an external/HW queue). Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: add monitored SOBs to state dumpAlon Mizrahi2-2/+37
Current "state dump" is lacking of monitored SOB IDs. Add for convenience. Signed-off-by: Alon Mizrahi <amizrahi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: restore user registers when context opensOded Gabbay1-2/+12
Because we don't have multiple contexts in GAUDI, and to minimize calls to is_idle function (which uses many register reads), move the call to clear the user registers to the opening of the single user context. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: increase boot fit timeoutOded Gabbay2-1/+5
Various f/w versions have different timeouts, so increase the default timeout to accommodate all the options. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: update to latest firmware headersOded Gabbay2-6/+121
Add several new packets between driver and firmware. Add matching compatibility bits for backward compatibility. Add support for 4K event types. Add information about pcie errors. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: minimize number of register readsOded Gabbay2-9/+11
Because the register reads might be trapped by the hypervisor in certain deployments, minimize the number of reads during runtime by moving static initializations to functions that occur during device initialization instead of context open. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: fix mmu node address resolution in debugfsYuri Nudelman1-1/+1
The address resolution via debugfs was not taking into consideration the page offset, resulting in a wrong address. Signed-off-by: Yuri Nudelman <ynudelman@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: save pid per userptrYuri Nudelman3-4/+7
Currently userptr endpoint in debugfs prints out virtual addresses in the user process memory space, without specifying their owner process ID. User space virtual address is meaningless without knowing the owner process. Signed-off-by: Yuri Nudelman <ynudelman@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: move scrubbing to late initOded Gabbay1-5/+5
HW init is mostly about configuring registers. Therefore, it is better to activate DMAs only in late init and afterwards. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs/gaudi: scrub HBM to a specific valueOfir Bitton1-2/+7
In order to enhance debuggability, we will scrub the whole HBM to a specific value, in case HBM scrubbing is enabled. Scrubbing will be performed after reset and after user closes the FD. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: add validity check for event ID received from F/WOfir Bitton2-0/+12
Currently there is no validity check for event ID received from F/W, Thus exposing driver to memory overrun. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: clear msg_to_cpu_reg to avoid misread after resetKoby Elbaz1-16/+12
For some ASICs, the f/w reads the msg_to_cpu_reg value after reset, and for some it doesn't. Therefore, to be sure f/w doesn't read a wrong value after reset, we need to clear this register before the reset occurs. Signed-off-by: Koby Elbaz <kelbaz@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: make set_pci_regions asic functionOhad Sharabi3-4/+8
In order to better support variants of the same ASIC the set_pci_regions function is now an ASIC function which allows each ASIC to implement it internally, thus keeping all definitions static to the file. Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: convert PCI BAR offset to u64Ohad Sharabi1-1/+1
Done as the bar size can exceed 4GB. Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-09-01habanalabs: expose server type in INFO IOCTLOded Gabbay7-5/+65
Add the server type property to the hl_info_hw_ip_info structure that is exposed to the user via the INFO IOCTL. This is needed by the userspace s/w stack to know the connections map of the internal links that connect the ASIC among themselves inside the server. The F/W will tell us, as part of the NIC information, the server type that the GAUDI is located in. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-08-31net: Add depends on OF_NET for LiteX's LiteETHSlark Xiao1-0/+1
Current settings may produce a build error when CONFIG_OF_NET is disabled. The CONFIG_OF_NET controls a headfile <linux/of.h> and some functions in <linux/of_net.h>. Signed-off-by: Slark Xiao <slark_xiao@163.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-08-31ipv6: seg6: remove duplicated includeLv Ruyi1-1/+0
Remove all but the first include of net/lwtunnel.h from 'seg6_local.c. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: hns3: remove unnecessary spacesHao Chen2-2/+2
This patch removes some unnecessary spaces for cleanup. Signed-off-by: Hao Chen <chenhao288@hisilicon.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: hns3: add some required spacesHao Chen5-25/+25
Add some required spaces to improve readability. Signed-off-by: Hao Chen <chenhao288@hisilicon.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: hns3: clean up a type mismatch warningGuojia Liao1-1/+8
abs() returns signed long, which could not convert the type as unsigned, and it may cause a mismatch type warning from static tools. To fix it, this patch uses an variable to save the abs()'s result and does a explicit conversion. Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: hns3: refine function hns3_set_default_feature()Jian Shen1-46/+16
Currently, the driver sets default feature for netdev->features, netdev->hw_features, netdev->vlan_features and netdev->hw_enc_features separately. It's fussy, because most of the feature bits are same. So refine it by copy value from netdev->features. Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31ipv6: remove duplicated 'net/lwtunnel.h' includeLv Ruyi1-1/+0
Remove all but the first include of net/lwtunnel.h from seg6_iptunnel.c. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: w5100: check return value after calling platform_get_resource()Yang Yingliang1-0/+2
It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx()Cai Huoqing4-36/+9
Use the devm_platform_ioremap_resource_byname() helper instead of calling platform_get_resource_byname() and devm_ioremap_resource() separately Use the devm_platform_ioremap_resource() helper instead of calling platform_get_resource() and devm_ioremap_resource() separately Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: mdio: mscc-miim: Make use of the helper function devm_platform_ioremap_resource()Cai Huoqing1-8/+4
Use the devm_platform_ioremap_resource() helper instead of calling platform_get_resource() and devm_ioremap_resource() separately Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: mdio-ipq4019: Make use of devm_platform_ioremap_resource()Cai Huoqing1-4/+1
Use the devm_platform_ioremap_resource() helper instead of calling platform_get_resource() and devm_ioremap_resource() separately Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31fou: remove sparse errorsEric Dumazet2-6/+6
We need to add __rcu qualifier to avoid these errors: net/ipv4/fou.c:250:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:250:18: expected struct net_offload const **offloads net/ipv4/fou.c:250:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:251:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:251:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:251:15: struct net_offload const * net/ipv4/fou.c:272:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:272:18: expected struct net_offload const **offloads net/ipv4/fou.c:272:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:273:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:273:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:273:15: struct net_offload const * net/ipv4/fou.c:442:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:442:18: expected struct net_offload const **offloads net/ipv4/fou.c:442:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:443:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:443:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:443:15: struct net_offload const * net/ipv4/fou.c:489:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:489:18: expected struct net_offload const **offloads net/ipv4/fou.c:489:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:490:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:490:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:490:15: struct net_offload const * net/ipv4/udp_offload.c:170:26: warning: incorrect type in assignment (different address spaces) net/ipv4/udp_offload.c:170:26: expected struct net_offload const **offloads net/ipv4/udp_offload.c:170:26: got struct net_offload const [noderef] __rcu ** net/ipv4/udp_offload.c:171:23: error: incompatible types in comparison expression (different address spaces): net/ipv4/udp_offload.c:171:23: struct net_offload const [noderef] __rcu * net/ipv4/udp_offload.c:171:23: struct net_offload const * Fixes: efc98d08e1ec ("fou: eliminate IPv4,v6 specific GRO functions") Fixes: 8bce6d7d0d1e ("udp: Generalize skb_udp_segment") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31ipv4: fix endianness issue in inet_rtm_getroute_build_skb()Eric Dumazet1-1/+1
The UDP length field should be in network order. This removes the following sparse error: net/ipv4/route.c:3173:27: warning: incorrect type in assignment (different base types) net/ipv4/route.c:3173:27: expected restricted __be16 [usertype] len net/ipv4/route.c:3173:27: got unsigned long Fixes: 404eb77ea766 ("ipv4: support sport, dport and ip_proto in RTM_GETROUTE") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Roopa Prabhu <roopa@nvidia.com> Cc: David Ahern <dsahern@kernel.org> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31octeontx2-af: Set proper errorcode for IPv4 checksum errorsSunil Goutham1-3/+4
With current config, for packets with IPv4 checksum errors, errorcode is being set to UNKNOWN. Hence added a separate errorcodes for outer and inner IPv4 checksum and changed NPC configuration accordingly. Also turn on L2 multicast address check in NPC protocol check block. Fixes: 6b3321bacc5a ("octeontx2-af: Enable packet length and csum validation") Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31octeontx2-af: Fix static code analyzer reported issuesSubbaraya Sundeep1-3/+3
This patch fixes the static code analyzer reported issues in rvu_npc.c. The reported errors are different sizes of operands in bitops and returning uninitialized values. Fixes: 651cd2652339 ("octeontx2-af: MCAM entry installation support") Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31octeontx2-af: Fix mailbox errors in nix_rss_flowkey_cfgSubbaraya Sundeep1-3/+3
In npc_update_vf_flow_entry function the loop cursor 'index' is being changed inside the loop causing the loop to spin forever. This in turn hogs the kworker thread forever and no other mbox message is processed by AF driver after that. Fix this by using another variable in the loop. Fixes: 55307fcb9258 ("octeontx2-af: Add mbox messages to install and delete MCAM rules") Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31octeontx2-af: Fix loop in free and unmap counterSubbaraya Sundeep1-1/+2
When the given counter does not belong to the entry then code ends up in infinite loop because the loop cursor, entry is not getting updated further. This patch fixes that by updating entry for every iteration. Fixes: a958dd59f9ce ("octeontx2-af: Map or unmap NPC MCAM entry and counter") Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31af_unix: fix potential NULL deref in unix_dgram_connect()Eric Dumazet1-3/+6
syzbot was able to trigger NULL deref in unix_dgram_connect() [1] This happens in if (unix_peer(sk)) sk->sk_state = other->sk_state = TCP_ESTABLISHED; // crash because @other is NULL Because locks have been dropped, unix_peer() might be non NULL, while @other is NULL (AF_UNSPEC case) We need to move code around, so that we no longer access unix_peer() and sk_state while locks have been released. [1] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 0 PID: 10341 Comm: syz-executor239 Not tainted 5.14.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unix_dgram_connect+0x32a/0xc60 net/unix/af_unix.c:1226 Code: 00 00 45 31 ed 49 83 bc 24 f8 05 00 00 00 74 69 e8 eb 5b a6 f9 48 8d 7d 12 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 e0 07 00 00 RSP: 0018:ffffc9000a89fcd8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000002 RSI: ffffffff87cf4ef5 RDI: 0000000000000012 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88802e1917c3 R10: ffffffff87cf4eba R11: 0000000000000001 R12: ffff88802e191740 R13: 0000000000000000 R14: ffff88802e191d38 R15: ffff88802e1917c0 FS: 00007f3eb0052700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004787d0 CR3: 0000000029c0a000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sys_connect_file+0x155/0x1a0 net/socket.c:1890 __sys_connect+0x161/0x190 net/socket.c:1907 __do_sys_connect net/socket.c:1917 [inline] __se_sys_connect net/socket.c:1914 [inline] __x64_sys_connect+0x6f/0xb0 net/socket.c:1914 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x446a89 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3eb0052208 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00000000004cc4d8 RCX: 0000000000446a89 RDX: 000000000000006e RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00000000004cc4d0 R08: 00007f3eb0052700 R09: 0000000000000000 R10: 00007f3eb0052700 R11: 0000000000000246 R12: 00000000004cc4dc R13: 00007ffd791e79cf R14: 00007f3eb0052300 R15: 0000000000022000 Modules linked in: ---[ end trace 4eb809357514968c ]--- RIP: 0010:unix_dgram_connect+0x32a/0xc60 net/unix/af_unix.c:1226 Code: 00 00 45 31 ed 49 83 bc 24 f8 05 00 00 00 74 69 e8 eb 5b a6 f9 48 8d 7d 12 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 e0 07 00 00 RSP: 0018:ffffc9000a89fcd8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000 RDX: 0000000000000002 RSI: ffffffff87cf4ef5 RDI: 0000000000000012 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88802e1917c3 R10: ffffffff87cf4eba R11: 0000000000000001 R12: ffff88802e191740 R13: 0000000000000000 R14: ffff88802e191d38 R15: ffff88802e1917c0 FS: 00007f3eb0052700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd791fe960 CR3: 0000000029c0a000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Fixes: 83301b5367a9 ("af_unix: Set TCP_ESTABLISHED for datagram sockets too") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Cong Wang <cong.wang@bytedance.com> Cc: Alexei Starovoitov <ast@kernel.org> Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31dpaa2-eth: Replace strlcpy with strscpyJason Wang1-4/+4
The strlcpy should not be used because it doesn't limit the source length. As linus says, it's a completely useless function if you can't implicitly trust the source string - but that is almost always why people think they should use it! All in all the BSD function will lead some potential bugs. But the strscpy doesn't require reading memory from the src string beyond the specified "count" bytes, and since the return value is easier to error-check than strlcpy()'s. In addition, the implementation is robust to the string changing out from underneath it, unlike the current strlcpy() implementation. Thus, We prefer using strscpy instead of strlcpy. Signed-off-by: Jason Wang <wangborong@cdjrlc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31octeontx2-af: Use NDC TX for transmit packet dataGeetha sowjanya2-0/+4
For better performance set hardware to use NDC TX for reading packet data specified NIX_SEND_SG_S. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: bridge: use mld2r_ngrec instead of icmpv6_dataunMichelleJin1-5/+5
br_ip6_multicast_mld2_report function uses icmp6h to parse mld2_report packet. mld2r_ngrec defines mld2r_hdr.icmp6_dataun.un_data16[1] in include/net/mld.h. So, it is more compact to use mld2r rather than icmp6h. By doing printk test, it is confirmed that icmp6h->icmp6_dataun.un_data16[1] and mld2r->mld2r_ngrec are indeed equivalent. Also, sizeof(*mld2r) and sizeof(*icmp6h) are equivalent, too. Signed-off-by: MichelleJin <shjy180909@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-31net: qualcomm: fix QCA7000 checksum handlingStefan Wahren2-2/+2
Based on tests the QCA7000 doesn't support checksum offloading. So assume ip_summed is CHECKSUM_NONE and let the kernel take care of the checksum handling. This fixes data transfer issues in noisy environments. Reported-by: Michael Heimpold <michael.heimpold@in-tech.com> Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000") Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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