- 16 May, 2022 37 commits
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Menglong Dong authored
The 'drop_reason' that passed to kfree_skb_reason() in tcp_v4_rcv() and tcp_v6_rcv() can be SKB_NOT_DROPPED_YET(0), as it is used as the return value of tcp_inbound_md5_hash(). And it can panic the kernel with NULL pointer in net_dm_packet_report_size() if the reason is 0, as drop_reasons[0] is NULL. Fixes: 1330b6ef ("skb: make drop reason booleanable") Reviewed-by:
Jiang Biao <benbjiang@tencent.com> Reviewed-by:
Hao Peng <flyingpeng@tencent.com> Signed-off-by:
Menglong Dong <imagedong@tencent.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Menglong Dong authored
The SKB_DR_OR() is used to set the drop reason to a value when it is not set or specified yet. SKB_NOT_DROPPED_YET should also be considered as not set. Reviewed-by:
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Menglong Dong authored
Sometimes, we may forget to reset skb drop reason to NOT_SPECIFIED after we make it the return value of the functions with return type of enum skb_drop_reason, such as tcp_inbound_md5_hash. Therefore, its value can be SKB_NOT_DROPPED_YET(0), which is invalid for kfree_skb_reason(). So we check the range of drop reason in kfree_skb_reason() with DEBUG_NET_WARN_ON_ONCE(). Reviewed-by:
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Menglong Dong authored
The 'reason' will be set to 'SKB_DROP_REASON_NOT_SPECIFIED' if it not small that SKB_DROP_REASON_MAX in net_dm_packet_trace_kfree_skb_hit(), but it can't avoid it to be 0, which is invalid and can cause NULL pointer in drop_reasons. Therefore, reset it to SKB_DROP_REASON_NOT_SPECIFIED when 'reason <= 0'. Reviewed-by:
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Guangguan Wang authored
Connect with O_NONBLOCK will not be completed immediately and returns -EINPROGRESS. It is possible to use selector/poll for completion by selecting the socket for writing. After select indicates writability, a second connect function call will return 0 to indicate connected successfully as TCP does, but smc returns -EISCONN. Use socket state for smc to indicate connect state, which can help smc aligning the connect behaviour with TCP. Signed-off-by:
Guangguan Wang <guangguan.wang@linux.alibaba.com> Acked-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
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David S. Miller authored
Eric Dumazet says: ==================== net: add annotations for sk->sk_bound_dev_if While writes on sk->sk_bound_dev_if are protected by socket lock, we have many lockless reads all over the places. This is based on syzbot report found in the first patch changelog. v2: inline ipv6 function only defined if IS_ENABLED(CONFIG_IPV6) (kernel bots) Change the INET6_MATCH() to inet6_match(), this is no longer a macro. Change INET_MATCH() to inet_match() (Olivier Hartkopp & Jakub Kicinski) ==================== Signed-off-by: -
Eric Dumazet authored
This is no longer a macro, but an inlined function. INET_MATCH() -> inet_match() Signed-off-by:
Eric Dumazet <edumazet@google.com> Suggested-by:
Olivier Hartkopp <socketcan@hartkopp.net> Suggested-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
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Eric Dumazet authored
INET6_MATCH() runs without holding a lock on the socket. We probably need to annotate most reads. This patch makes INET6_MATCH() an inline function to ease our changes. v2: inline function only defined if IS_ENABLED(CONFIG_IPV6) Change the name to inet6_match(), this is no longer a macro. Signed-off-by: -
Eric Dumazet authored
Use READ_ONCE() in paths not holding the socket lock. Signed-off-by:
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Eric Dumazet authored
sk->sk_bound_dev_if can change under us, use READ_ONCE() annotation. Signed-off-by:
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Eric Dumazet authored
inet_csk_bind_conflict() can access sk->sk_bound_dev_if for unlocked sockets. Signed-off-by:
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Eric Dumazet authored
When reading listener sk->sk_bound_dev_if locklessly, we must use READ_ONCE(). Signed-off-by:
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Eric Dumazet authored
sock_bindtoindex_locked() needs to use WRITE_ONCE(sk->sk_bound_dev_if, val), because other cpus/threads might locklessly read this field. sock_getbindtodevice(), sock_getsockopt() need READ_ONCE() because they run without socket lock held. Signed-off-by:
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Eric Dumazet authored
inet_request_bound_dev_if() reads sk->sk_bound_dev_if twice while listener socket is not locked. Another cpu could change this field under us. Signed-off-by:
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Eric Dumazet authored
sctp_rcv() reads sk->sk_bound_dev_if twice while the socket is not locked. Another cpu could change this field under us. Fixes: 0fd9a65a ("[SCTP] Support SO_BINDTODEVICE socket option on incoming packets.") Signed-off-by:
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by:
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Eric Dumazet authored
UDP sendmsg() is lockless, and reads sk->sk_bound_dev_if while this field can be changed by another thread. Adds minimal annotations to avoid KCSAN splats for UDP. Following patches will add more annotations to potential lockless readers. BUG: KCSAN: data-race in __ip6_datagram_connect / udpv6_sendmsg write to 0xffff888136d47a94 of 4 bytes by task 7681 on cpu 0: __ip6_datagram_connect+0x6e2/0x930 net/ipv6/datagram.c:221 ip6_datagram_connect+0x2a/0x40 net/ipv6/datagram.c:272 inet_dgram_connect+0x107/0x190 net/ipv4/af_inet.c:576 __sys_connect_file net/socket.c:1900 [inline] __sys_connect+0x197/0x1b0 net/socket.c:1917 __do_sys_connect net/socket.c:1927 [inline] __se_sys_connect net/socket.c:1924 [inline] __x64_sys_connect+0x3d/0x50 net/socket.c:1924 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x50 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888136d47a94 of 4 bytes by task 7670 on cpu 1: udpv6_sendmsg+0xc60/0x16e0 net/ipv6/udp.c:1436 inet6_sendmsg+0x5f/0x80 net/ipv6/af_inet6.c:652 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] ____sys_sendmsg+0x39a/0x510 net/socket.c:2413 ___sys_sendmsg net/socket.c:2467 [inline] __sys_sendmmsg+0x267/0x4c0 net/socket.c:2553 __do_sys_sendmmsg net/socket.c:2582 [inline] __se_sys_sendmmsg net/socket.c:2579 [inline] __x64_sys_sendmmsg+0x53/0x60 net/socket.c:2579 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x50 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000000 -> 0xffffff9b Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 7670 Comm: syz-executor.3 Tainted: G W 5.18.0-rc1-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 I chose to not add Fixes: tag because race has minor consequences and stable teams busy enough. Signed-off-by:
syzbot <syzkaller@googlegroups.com> Signed-off-by:
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David S. Miller authored
Eric Dumazet says: ==================== tcp: BIG TCP implementation This series implements BIG TCP as presented in netdev 0x15: https://netdevconf.info/0x15/session.html?BIG-TCP Jonathan Corbet made a nice summary: https://lwn.net/Articles/884104/ Standard TSO/GRO packet limit is 64KB With BIG TCP, we allow bigger TSO/GRO packet sizes for IPv6 traffic. Note that this feature is by default not enabled, because it might break some eBPF programs assuming TCP header immediately follows IPv6 header. While tcpdump recognizes the HBH/Jumbo header, standard pcap filters are unable to skip over IPv6 extension headers. Reducing number of packets traversing networking stack usually improves performance, as shown on this experiment using a 100Gbit NIC, and 4K MTU. 'Standard' performance with current (74KB) limits. for i in {1..10}; do ./netperf -t TCP_RR -H iroa23 -- -r80000,80000 -O MIN_LATENCY,P90_LATENCY,P99_LATENCY,THROUGHPUT|tail -1; done 77 138 183 8542.19 79 143 178 8215.28 70 117 164 9543.39 80 144 176 8183.71 78 126 155 9108.47 80 146 184 8115.19 71 113 165 9510.96 74 113 164 9518.74 79 137 178 8575.04 73 111 171 9561.73 Now enable BIG TCP on both hosts. ip link set dev eth0 gro_max_size 185000 gso_max_size 185000 for i in {1..10}; do ./netperf -t TCP_RR -H iroa23 -- -r80000,80000 -O MIN_LATENCY,P90_LATENCY,P99_LATENCY,THROUGHPUT|tail -1; done 57 83 117 13871.38 64 118 155 11432.94 65 116 148 11507.62 60 105 136 12645.15 60 103 135 12760.34 60 102 134 12832.64 62 109 132 10877.68 58 82 115 14052.93 57 83 124 14212.58 57 82 119 14196.01 We see an increase of transactions per second, and lower latencies as well. v7: adopt unsafe_memcpy() in mlx5 to avoid FORTIFY warnings. v6: fix a compilation error for CONFIG_IPV6=n in "net: allow gso_max_size to exceed 65536", reported by kernel bots. v5: Replaced two patches (that were adding new attributes) with patches from Alexander Duyck. Idea is to reuse existing gso_max_size/gro_max_size v4: Rebased on top of Jakub series (Merge branch 'tso-gso-limit-split') max_tso_size is now family independent. v3: Fixed a typo in RFC number (Alexander) Added Reviewed-by: tags from Tariq on mlx4/mlx5 parts. v2: Removed the MAX_SKB_FRAGS change, this belongs to a different series. Addressed feedback, for Alexander and nvidia folks. ==================== Signed-off-by:
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Eric Dumazet authored
mlx5 supports LSOv2. IPv6 gro/tcp stacks insert a temporary Hop-by-Hop header with JUMBO TLV for big packets. We need to ignore/skip this HBH header when populating TX descriptor. Note that ipv6_has_hopopt_jumbo() only recognizes very specific packet layout, thus mlx5e_sq_xmit_wqe() is taking care of this layout only. v7: adopt unsafe_memcpy() and MLX5_UNSAFE_MEMCPY_DISCLAIMER v2: clear hopbyhop in mlx5e_tx_get_gso_ihs() v4: fix compile error for CONFIG_MLX5_CORE_IPOIB=y Signed-off-by:
Coco Li <lixiaoyan@google.com> Signed-off-by:
Tariq Toukan <tariqt@nvidia.com> Cc: Saeed Mahameed <saeedm@nvidia.com> Cc: Leon Romanovsky <leon@kernel.org> Signed-off-by:
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Eric Dumazet authored
mlx4 supports LSOv2 just fine. IPv6 stack inserts a temporary Hop-by-Hop header with JUMBO TLV for big packets. We need to ignore the HBH header when populating TX descriptor. Tested: Before: (not enabling bigger TSO/GRO packets) ip link set dev eth0 gso_max_size 65536 gro_max_size 65536 netperf -H lpaa18 -t TCP_RR -T2,2 -l 10 -Cc -- -r 70000,70000 MIGRATED TCP REQUEST/RESPONSE TEST from ::0 (::) port 0 AF_INET6 to lpaa18.prod.google.com () port 0 AF_INET6 : first burst 0 : cpu bind Local /Remote Socket Size Request Resp. Elapsed Trans. CPU CPU S.dem S.dem Send Recv Size Size Time Rate local remote local remote bytes bytes bytes bytes secs. per sec % S % S us/Tr us/Tr 262144 540000 70000 70000 10.00 6591.45 0.86 1.34 62.490 97.446 262144 540000 After: (enabling bigger TSO/GRO packets) ip link set dev eth0 gso_max_size 185000 gro_max_size 185000 netperf -H lpaa18 -t TCP_RR -T2,2 -l 10 -Cc -- -r 70000,70000 MIGRATED TCP REQUEST/RESPONSE TEST from ::0 (::) port 0 AF_INET6 to lpaa18.prod.google.com () port 0 AF_INET6 : first burst 0 : cpu bind Local /Remote Socket Size Request Resp. Elapsed Trans. CPU CPU S.dem S.dem Send Recv Size Size Time Rate local remote local remote bytes bytes bytes bytes secs. per sec % S % S us/Tr us/Tr 262144 540000 70000 70000 10.00 8383.95 0.95 1.01 54.432 57.584 262144 540000 Signed-off-by:
Alexander Duyck <alexanderduyck@fb.com> Signed-off-by:
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Eric Dumazet authored
Set the TSO driver limit to GSO_MAX_SIZE (512 KB). This allows the admin/user to set a GSO limit up to this value. ip link set dev veth10 gso_max_size 200000 Signed-off-by:
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Eric Dumazet authored
Set the driver limit to GSO_MAX_SIZE (512 KB). This allows the admin/user to set a GSO limit up to this value. Tested: ip link set dev lo gso_max_size 200000 netperf -H ::1 -t TCP_RR -l 100 -- -r 80000,80000 & tcpdump shows : 18:28:42.962116 IP6 ::1 > ::1: HBH 40051 > 63780: Flags [P.], seq 3626480001:3626560001, ack 3626560001, win 17743, options [nop,nop,TS val 3771179265 ecr 3771179265], length 80000 18:28:42.962138 IP6 ::1.63780 > ::1.40051: Flags [.], ack 3626560001, win 17743, options [nop,nop,TS val 3771179265 ecr 3771179265], length 0 18:28:42.962152 IP6 ::1 > ::1: HBH 63780 > 40051: Flags [P.], seq 3626560001:3626640001, ack 3626560001, win 17743, options [nop,nop,TS val 3771179265 ecr 3771179265], length 80000 18:28:42.962157 IP6 ::1.40051 > ::1.63780: Flags [.], ack 3626640001, win 17743, options [nop,nop,TS val 3771179265 ecr 3771179265], length 0 18:28:42.962180 IP6 ::1 > ::1: HBH 40051 > 63780: Flags [P.], seq 3626560001:3626640001, ack 3626640001, win 17743, options [nop,nop,TS val 3771179265 ecr 3771179265], length 80000 18:28:42.962214 IP6 ::1.63780 > ::1.40051: Flags [.], ack 3626640001, win 17743, options [nop,nop,TS val 3771179266 ecr 3771179265], length 0 18:28:42.962228 IP6 ::1 > ::1: HBH 63780 > 40051: Flags [P.], seq 3626640001:3626720001, ack 3626640001, win 17743, options [nop,nop,TS val 3771179266 ecr 3771179265], length 80000 18:28:42.962233 IP6 ::1.40051 > ::1.63780: Flags [.], ack 3626720001, win 17743, options [nop,nop,TS val 3771179266 ecr 3771179266], length 0 Signed-off-by:
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Coco Li authored
Instead of simply forcing a 0 payload_len in IPv6 header, implement RFC 2675 and insert a custom extension header. Note that only TCP stack is currently potentially generating jumbograms, and that this extension header is purely local, it wont be sent on a physical link. This is needed so that packet capture (tcpdump and friends) can properly dissect these large packets. Signed-off-by:
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Alexander Duyck authored
Allow the gro_max_size to exceed a value larger than 65536. There weren't really any external limitations that prevented this other than the fact that IPv4 only supports a 16 bit length field. Since we have the option of adding a hop-by-hop header for IPv6 we can allow IPv6 to exceed this value and for IPv4 and non-TCP flows we can cap things at 65536 via a constant rather than relying on gro_max_size. [edumazet] limit GRO_MAX_SIZE to (8 * 65535) to avoid overflows. Signed-off-by:
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Eric Dumazet authored
Following patch will add GRO_IPV6_MAX_SIZE, allowing gro to build BIG TCP ipv6 packets (bigger than 64K). This patch changes ipv6_gro_complete() to insert a HBH/jumbo header so that resulting packet can go through IPv6/TCP stacks. Signed-off-by:
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Eric Dumazet authored
ipv6 tcp and gro stacks will soon be able to build big TCP packets, with an added temporary Hop By Hop header. If GSO is involved for these large packets, we need to remove the temporary HBH header before segmentation happens. v2: perform HBH removal from ipv6_gso_segment() instead of skb_segment() (Alexander feedback) Signed-off-by: -
Eric Dumazet authored
Following patches will need to add and remove local IPv6 jumbogram options to enable BIG TCP. Signed-off-by:
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Eric Dumazet authored
hystart_ack_delay() had the assumption that a TSO packet would not be bigger than GSO_MAX_SIZE. This will no longer be true. We should use sk->sk_gso_max_size instead. This reduces chances of spurious Hystart ACK train detections. Signed-off-by:
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Eric Dumazet authored
Make sure we will not overflow shinfo->gso_segs Minimal TCP MSS size is 8 bytes, and shinfo->gso_segs is a 16bit field. TCP_MIN_GSO_SIZE is currently defined in include/net/tcp.h, it seems cleaner to not bring tcp details into include/linux/netdevice.h Signed-off-by:
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Alexander Duyck authored
The code for gso_max_size was added originally to allow for debugging and workaround of buggy devices that couldn't support TSO with blocks 64K in size. The original reason for limiting it to 64K was because that was the existing limits of IPv4 and non-jumbogram IPv6 length fields. With the addition of Big TCP we can remove this limit and allow the value to potentially go up to UINT_MAX and instead be limited by the tso_max_size value. So in order to support this we need to go through and clean up the remaining users of the gso_max_size value so that the values will cap at 64K for non-TCPv6 flows. In addition we can clean up the GSO_MAX_SIZE value so that 64K becomes GSO_LEGACY_MAX_SIZE and UINT_MAX will now be the upper limit for GSO_MAX_SIZE. v6: (edumazet) fixed a compile error if CONFIG_IPV6=n, in a new sk_trim_gso_size() helper. netif_set_tso_max_size() caps the requested TSO size with GSO_MAX_SIZE. Signed-off-by: -
Eric Dumazet authored
New netlink attributes IFLA_TSO_MAX_SIZE and IFLA_TSO_MAX_SEGS are used to report to user-space the device TSO limits. ip -d link sh dev eth1 ... tso_max_size 65536 tso_max_segs 65535 Signed-off-by:
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David S. Miller authored
Phil Edworthy says: ==================== Add Renesas RZ/V2M Ethernet support The RZ/V2M Ethernet is very similar to R-Car Gen3 Ethernet-AVB, though some small parts are the same as R-Car Gen2. Other differences are: * It has separate data (DI), error (Line 1) and management (Line 2) irqs rather than one irq for all three. * Instead of using the High-speed peripheral bus clock for gPTP, it has a separate gPTP reference clock. v4: * Add clk_disable_unprepare() for gptp ref clk v3: * Really renamed irq_en_dis_regs to irq_en_dis this time * Modified ravb_ptp_extts() to use irq_en_dis * Added Reviewed-by tags v2: * Just net patches in this series * Instead of reusing ch22 and ch24 interrupt names, use the proper names * Renamed irq_en_dis_regs to irq_en_dis * Squashed use of GIC reg versus GIE/GID and got rid of separate gptp_ptm_gic feature. * Move err_mgmt_irqs code under multi_irqs * Minor editing of the commit msgs ==================== Signed-off-by: -
Phil Edworthy authored
RZ/V2M Ethernet is very similar to R-Car Gen3 Ethernet-AVB, though some small parts are the same as R-Car Gen2. Other differences to R-Car Gen3 and Gen2 are: * It has separate data (DI), error (Line 1) and management (Line 2) irqs rather than one irq for all three. * Instead of using the High-speed peripheral bus clock for gPTP, it has a separate gPTP reference clock. Signed-off-by:
Phil Edworthy <phil.edworthy@renesas.com> Reviewed-by:
Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by:
Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by:
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Phil Edworthy authored
RZ/V2M has a separate gPTP reference clock that is used when the AVB-DMAC Mode Register (CCC) gPTP Clock Select (CSEL) bits are set to "01: High-speed peripheral bus clock". Therefore, add a feature that allows this clock to be used for gPTP. Signed-off-by:
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Phil Edworthy authored
R-Car has a combined interrupt line, ch22 = Line0_DiA | Line1_A | Line2_A. RZ/V2M has separate interrupt lines for each of these, so add a feature that allows the driver to get these interrupts and call the common handler. Signed-off-by:
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Phil Edworthy authored
Currently, when the HW has a single interrupt, the driver uses the GIC, TIC, RIC0 registers to enable and disable interrupts. When the HW has multiple interrupts, it uses the GIE, GID, TIE, TID, RIE0, RID0 registers. However, other devices, e.g. RZ/V2M, have multiple irqs and only have the GIC, TIC, RIC0 registers. Therefore, split this into a separate feature. Signed-off-by:
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Phil Edworthy authored
Document the Ethernet AVB IP found on RZ/V2M SoC. It includes the Ethernet controller (E-MAC) and Dedicated Direct memory access controller (DMAC) for transferring transmitted Ethernet frames to and received Ethernet frames from respective storage areas in the RAM at high speed. The AVB-DMAC is compliant with IEEE 802.1BA, IEEE 802.1AS timing and synchronization protocol, IEEE 802.1Qav real-time transfer, and the IEEE 802.1Qat stream reservation protocol. R-Car has a pair of combined interrupt lines: ch22 = Line0_DiA | Line1_A | Line2_A ch23 = Line0_DiB | Line1_B | Line2_B Line0 for descriptor interrupts (which we call dia and dib). Line1 for error related interrupts (which we call err_a and err_b). Line2 for management and gPTP related interrupts (mgmt_a and mgmt_b). RZ/V2M hardware has separate interrupt lines for each of these. It has 3 clocks; the main AXI clock, the AMBA CHI (Coherent Hub Interface) clock and a gPTP reference clock. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-nextDavid S. Miller authored
Pablo Neira Ayuso says: ==================== Netfilter updates for net-next This is v2 including deadlock fix in conntrack ecache rework reported by Jakub Kicinski. The following patchset contains Netfilter updates for net-next, mostly updates to conntrack from Florian Westphal. 1) Add a dedicated list for conntrack event redelivery. 2) Include event redelivery list in conntrack dumps of dying type. 3) Remove per-cpu dying list for event redelivery, not used anymore. 4) Add netns .pre_exit to cttimeout to zap timeout objects before synchronize_rcu() call. 5) Remove nf_ct_unconfirmed_destroy. 6) Add generation id for conntrack extensions for conntrack timeout and helpers. 7) Detach timeout policy from conntrack on cttimeout module removal. 8) Remove __nf_ct_unconfirmed_destroy. 9) Remove unconfirmed list. 10) Remove unconditional local_bh_disable in init_conntrack(). 11) Consolidate conntrack iterator nf_ct_iterate_cleanup(). 12) Detect if ctnetlink listeners exist to short-circuit event path early. 13) Un-inline nf_ct_ecache_ext_add(). 14) Add nf_conntrack_events autodetect ctnetlink listener mode and make it default. 15) Add nf_ct_ecache_exist() to check for event cache extension. 16) Extend flowtable reverse route lookup to include source, iif, tos and mark, from Sven Auhagen. 17) Do not verify zero checksum UDP packets in nf_reject, from Kevin Mitchell. ==================== Signed-off-by:
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- 14 May, 2022 3 commits
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Sridhar Samudrala authored
When ADQ queue groups (TCs) are created via tc mqprio command, RSS contexts and associated RSS indirection tables are configured automatically per TC based on the queue ranges specified for each traffic class. For ex: tc qdisc add dev enp175s0f0 root mqprio num_tc 3 map 0 1 2 \ queues 2@0 8@2 4@10 hw 1 mode channel will create 3 queue groups (TC 0-2) with queue ranges 2, 8 and 4 in 3 queue groups. Each queue group is associated with its own RSS context and RSS indirection table. Add support to expose RSS indirection tables for all ADQ queue groups using ethtool RSS contexts interface. ethtool -x enp175s0f0 context <tc-num> Signed-off-by:
Sridhar Samudrala <sridhar.samudrala@intel.com> Signed-off-by:
Sudheer Mogilappagari <sudheer.mogilappagari@intel.com> Tested-by:
Bharathi Sreenivas <bharathi.sreenivas@intel.com> Signed-off-by:
Tony Nguyen <anthony.l.nguyen@intel.com> Link: https://lore.kernel.org/r/20220512213249.3747424-1-anthony.l.nguyen@intel.comSigned-off-by:
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Lorenzo Bianconi authored
Add the capability to map non-linear xdp frames in XDP_TX and ndo_xdp_xmit callback. Signed-off-by:
Lorenzo Bianconi <lorenzo@kernel.org> Tested-by:
Sandeep Penigalapati <sandeep.penigalapati@intel.com> Signed-off-by:
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Jakub Kicinski authored
Remove napi_weight statics which are set to 64 and never modified, remnants of the out-of-tree napi_weight module param. Acked-by:
Edward Cree <ecree.xilinx@gmail.com> Link: https://lore.kernel.org/r/20220512205603.1536771-1-kuba@kernel.orgSigned-off-by:
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