- 18 Apr, 2017 11 commits
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Markus Elfring authored
Replace the specification of two data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by:
Markus Elfring <elfring@users.sourceforge.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Markus Elfring authored
* A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. * Replace the specification of a data structure by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by:
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Markus Elfring authored
MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The script “checkpatch.pl” pointed information out like the following. Comparison to NULL could be written … Thus fix the affected source code places. Signed-off-by:
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Markus Elfring authored
A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Signed-off-by:
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Markus Elfring authored
Replace the specification of two data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by:
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Markus Elfring authored
* A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "devm_kmalloc_array". This issue was detected by using the Coccinelle software. * Replace the specification of a data type by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by:
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Florian Westphal authored
commit 83e7e4ce ("mac80211: Use rhltable instead of rhashtable") removed the last user that made use of 'insecure_elasticity' parameter, i.e. the default of 16 is used everywhere. Replace it with a constant. Signed-off-by:
Florian Westphal <fw@strlen.de> Signed-off-by:
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David S. Miller authored
Xin Long says: ==================== sctp: add proper process for duplicated stream reconf requests Now sctp stream reconf will process a request again even if it's seqno is less than asoc->strreset_inseq. It may cause a replay attack. This patchset is to avoid it by add proper process for all duplicated stream reconf requests. ==================== Signed-off-by: -
Xin Long authored
This patch is to fix the replay attack issue for strreset asoc requests. When a duplicated strreset asoc request is received, reply it with bad seqno if it's seqno < asoc->strreset_inseq - 2, and reply it with the result saved in asoc if it's seqno >= asoc->strreset_inseq - 2. But note that if the result saved in asoc is performed, the sender's next tsn and receiver's next tsn for the response chunk should be set. It's safe to get them from asoc. Because if it's changed, which means the peer has received the response already, the new response with wrong tsn won't be accepted by peer. Signed-off-by:
Xin Long <lucien.xin@gmail.com> Signed-off-by:
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Xin Long authored
This patch is to fix the replay attack issue for strreset and addstrm in requests. When a duplicated strreset in or addstrm in request is received, reply it with bad seqno if it's seqno < asoc->strreset_inseq - 2, and reply it with the result saved in asoc if it's seqno >= asoc->strreset_inseq - 2. For strreset in or addstrm in request, if the receiver side processes it successfully, a strreset out or addstrm out request(as a response for that request) will be sent back to peer. reconf_time will retransmit the out request even if it's lost. So when receiving a duplicated strreset in or addstrm in request and it's result was performed, it shouldn't reply this request, but drop it instead. Signed-off-by:
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Xin Long authored
Now sctp stream reconf will process a request again even if it's seqno is less than asoc->strreset_inseq. If one request has been done successfully and some data chunks have been accepted and then a duplicated strreset out request comes, the streamin's ssn will be cleared. It will cause that stream will never receive chunks any more because of unsynchronized ssn. It allows a replay attack. A similar issue also exists when processing addstrm out requests. It will cause more extra streams being added. This patch is to fix it by saving the last 2 results into asoc. When a duplicated strreset out or addstrm out request is received, reply it with bad seqno if it's seqno < asoc->strreset_inseq - 2, and reply it with the result saved in asoc if it's seqno >= asoc->strreset_inseq - 2. Note that it saves last 2 results instead of only last 1 result, because two requests can be sent together in one chunk. And note that when receiving a duplicated request, the receiver side will still reply it even if the peer has received the response. It's safe, As the response will be dropped by the peer. Signed-off-by:
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- 17 Apr, 2017 29 commits
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Chonggang Li authored
Bonding driver changes the skb->dev to the bonding-master before passing the packet to stack for further processing. This, however does not make sense for the link-local packets and it loses "the link info" once its skb->dev is changed to bonding-master. This patch changes this behavior for link-local packets by not changing the skb->dev to the bonding-master and maintaining it as it is, i.e. the link on which the packet arrived. Signed-off-by:
Chonggang Li <chonggangli@google.com> Signed-off-by:
Mahesh Bandewar <maheshb@google.com> Signed-off-by:
Maciej Żenczykowski <maze@google.com> Signed-off-by:
Jay Vosburgh <jay.vosburgh@canonical.com> Signed-off-by:
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David Ahern authored
Add netlink_ext_ack arg to rtnl_doit_func. Pass extack arg to nlmsg_parse for doit functions that call it directly. This is the first step to using extended error reporting in rtnetlink. >From here individual subsystems can be updated to set netlink_ext_ack as needed. Signed-off-by:
David Ahern <dsa@cumulusnetworks.com> Signed-off-by:
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David Lebrun authored
When a locally generated packet receives an SRH with two or more segments, the remaining headroom is too small to push an ethernet header. This patch ensures that the headroom is large enough after SRH push. The BUG generated the following trace. [ 192.950285] skbuff: skb_under_panic: text:ffffffff81809675 len:198 put:14 head:ffff88006f306400 data:ffff88006f3063fa tail:0xc0 end:0x2c0 dev:A-1 [ 192.952456] ------------[ cut here ]------------ [ 192.953218] kernel BUG at net/core/skbuff.c:105! [ 192.953411] invalid opcode: 0000 [#1] PREEMPT SMP [ 192.953411] Modules linked in: [ 192.953411] CPU: 5 PID: 3433 Comm: ping6 Not tainted 4.11.0-rc3+ #237 [ 192.953411] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014 [ 192.953411] task: ffff88007c2d42c0 task.stack: ffffc90000ef4000 [ 192.953411] RIP: 0010:skb_panic+0x61/0x70 [ 192.953411] RSP: 0018:ffffc90000ef7900 EFLAGS: 00010286 [ 192.953411] RAX: 0000000000000085 RBX: 00000000000086dd RCX: 0000000000000201 [ 192.953411] RDX: 0000000080000201 RSI: ffffffff81d104c5 RDI: 00000000ffffffff [ 192.953411] RBP: ffffc90000ef7920 R08: 0000000000000001 R09: 0000000000000000 [ 192.953411] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 192.953411] R13: ffff88007c5a4000 R14: ffff88007b363d80 R15: 00000000000000b8 [ 192.953411] FS: 00007f94b558b700(0000) GS:ffff88007fd40000(0000) knlGS:0000000000000000 [ 192.953411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 192.953411] CR2: 00007fff5ecd5080 CR3: 0000000074141000 CR4: 00000000001406e0 [ 192.953411] Call Trace: [ 192.953411] skb_push+0x3b/0x40 [ 192.953411] eth_header+0x25/0xc0 [ 192.953411] neigh_resolve_output+0x168/0x230 [ 192.953411] ? ip6_finish_output2+0x242/0x8f0 [ 192.953411] ip6_finish_output2+0x242/0x8f0 [ 192.953411] ? ip6_finish_output2+0x76/0x8f0 [ 192.953411] ip6_finish_output+0xa8/0x1d0 [ 192.953411] ip6_output+0x64/0x2d0 [ 192.953411] ? ip6_output+0x73/0x2d0 [ 192.953411] ? ip6_dst_check+0xb5/0xc0 [ 192.953411] ? dst_cache_per_cpu_get.isra.2+0x40/0x80 [ 192.953411] seg6_output+0xb0/0x220 [ 192.953411] lwtunnel_output+0xcf/0x210 [ 192.953411] ? lwtunnel_output+0x59/0x210 [ 192.953411] ip6_local_out+0x38/0x70 [ 192.953411] ip6_send_skb+0x2a/0xb0 [ 192.953411] ip6_push_pending_frames+0x48/0x50 [ 192.953411] rawv6_sendmsg+0xa39/0xf10 [ 192.953411] ? __lock_acquire+0x489/0x890 [ 192.953411] ? __mutex_lock+0x1fc/0x970 [ 192.953411] ? __lock_acquire+0x489/0x890 [ 192.953411] ? __mutex_lock+0x1fc/0x970 [ 192.953411] ? tty_ioctl+0x283/0xec0 [ 192.953411] inet_sendmsg+0x45/0x1d0 [ 192.953411] ? _copy_from_user+0x54/0x80 [ 192.953411] sock_sendmsg+0x33/0x40 [ 192.953411] SYSC_sendto+0xef/0x170 [ 192.953411] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 192.953411] ? trace_hardirqs_on_caller+0x12b/0x1b0 [ 192.953411] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.953411] SyS_sendto+0x9/0x10 [ 192.953411] entry_SYSCALL_64_fastpath+0x1f/0xc2 [ 192.953411] RIP: 0033:0x7f94b453db33 [ 192.953411] RSP: 002b:00007fff5ecd0578 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 192.953411] RAX: ffffffffffffffda RBX: 00007fff5ecd16e0 RCX: 00007f94b453db33 [ 192.953411] RDX: 0000000000000040 RSI: 000055a78352e9c0 RDI: 0000000000000003 [ 192.953411] RBP: 00007fff5ecd1690 R08: 000055a78352c940 R09: 000000000000001c [ 192.953411] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a783321e10 [ 192.953411] R13: 000055a7839890c0 R14: 0000000000000004 R15: 0000000000000000 [ 192.953411] Code: 00 00 48 89 44 24 10 8b 87 c4 00 00 00 48 89 44 24 08 48 8b 87 d8 00 00 00 48 c7 c7 90 58 d2 81 48 89 04 24 31 c0 e8 4f 70 9a ff <0f> 0b 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 48 8b 97 d8 00 00 [ 192.953411] RIP: skb_panic+0x61/0x70 RSP: ffffc90000ef7900 [ 193.000186] ---[ end trace bd0b89fabdf2f92c ]--- [ 193.000951] Kernel panic - not syncing: Fatal exception in interrupt [ 193.001137] Kernel Offset: disabled [ 193.001169] ---[ end Kernel panic - not syncing: Fatal exception in interrupt Fixes: 19d5a26f ("ipv6: sr: expand skb head only if necessary") Signed-off-by:
David Lebrun <david.lebrun@uclouvain.be> Signed-off-by:
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Ilan Tayari authored
Commit 07b26c94 ("gso: Support partial splitting at the frag_list pointer") assumes that all SKBs in a frag_list (except maybe the last one) contain the same amount of GSO payload. This assumption is not always correct, resulting in the following warning message in the log: skb_segment: too many frags For example, mlx5 driver in Striding RQ mode creates some RX SKBs with one frag, and some with 2 frags. After GRO, the frag_list SKBs end up having different amounts of payload. If this frag_list SKB is then forwarded, the aforementioned assumption is violated. Validate the assumption, and fall back to software GSO if it not true. Fixes: 07b26c94 ("gso: Support partial splitting at the frag_list pointer") Signed-off-by:
Ilan Tayari <ilant@mellanox.com> Signed-off-by:
Ilya Lesokhin <ilyal@mellanox.com> Signed-off-by:
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Xin Long authored
Now when processing strreset out responses, it gets outreq->list_of_streams only when result is performed. But if result is not performed, str_p will be NULL. It will cause panic in sctp_ulpevent_make_stream_reset_event if nums is not 0. This patch is to fix it by getting outreq->list_of_streams earlier, and also to improve some codes for the strreset inreq process. Signed-off-by:
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Chenbo Feng authored
BPF helper functions get_socket_cookie and get_socket_uid can be used for network traffic classifications, among others. Expose them also to programs of type BPF_PROG_TYPE_CGROUP_SKB. As of commit 8f917bba ("bpf: pass sk to helper functions") the required skb->sk function is available at both cgroup bpf ingress and egress hooks. With these two new helper, cg_skb_func_proto is effectively the same as sk_filter_func_proto. Change since V1: Instead of add the helper to cg_skb_func_proto, redirect the cg_skb_func_proto to sk_filter_func_proto since all helper function in sk_filter_func_proto are applicable to cg_skb_func_proto now. Signed-off-by:
Chenbo Feng <fengc@google.com> Acked-by:
Alexei Starovoitov <ast@kernel.org> Acked-by:
Daniel Borkmann <daniel@iogearbox.net> Signed-off-by:
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Simon Xiao authored
The netvsc device supports full duplex by default. This warnings in log from bonding device which did not like seeing UNKNOWN duplex. Signed-off-by:
Simon Xiao <sixiao@microsoft.com> Signed-off-by:
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stephen hemminger authored
The statistics functionis called with RTNL held during probe but with RCU held during access from /proc and elsewhere. This is safe so update the lockdep annotation. Signed-off-by:
Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by:
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Dan Carpenter authored
This is a copy and paste buglet. We meant to test for ->write_mmd but we test for ->read_mmd. Fixes: 1ee6b9bc ("net: phy: make phy_(read|write)_mmd() generic MMD accessors") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
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David S. Miller authored
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Johan Hedberg says: ==================== pull request: bluetooth-next 2017-04-14 Here's the main batch of Bluetooth & 802.15.4 patches for the 4.12 kernel. - Many fixes to 6LoWPAN, in particular for BLE - New CA8210 IEEE 802.15.4 device driver (accounting for most of the lines of code added in this pull request) - Added Nokia Bluetooth (UART) HCI driver - Some serdev & TTY changes that are dependencies for the Nokia driver (with acks from relevant maintainers and an agreement that these come through the bluetooth tree) - Support for new Intel Bluetooth device - Various other minor cleanups/fixes here and there Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by:
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David S. Miller authored
Martin KaFai Lau says: ==================== bpf: LRU performance and test-program improvements The first 4 patches make a few improvements to the LRU tests. Patch 5/6 is to improve the performance of BPF_F_NO_COMMON_LRU map. Patch 6/6 adds an example in using LRU map with map-in-map. ==================== Signed-off-by: -
Martin KaFai Lau authored
This patch adds a map-in-map LRU example. If we know only a subset of cores will use the LRU, we can allocate a common LRU list per targeting core and store it into an array-of-hashs. It allows using the common LRU map with map-update performance comparable to the BPF_F_NO_COMMON_LRU map but without wasting memory on the unused cores that we know they will never access the LRU map. BPF_F_NO_COMMON_LRU: > map_perf_test 32 8 10000000 10000000 | awk '{sum += $3}END{print sum}' 9234314 (9.23M/s) map-in-map LRU: > map_perf_test 512 8 1260000 80000000 | awk '{sum += $3}END{print sum}' 9962743 (9.96M/s) Notes that the max_entries for the map-in-map LRU test is 1260000 which is the max_entries for each inner LRU map. 8 processes have been started, so 8 * 1260000 = 10080000 (~10M) which is close to what is used in the BPF_F_NO_COMMON_LRU test. Signed-off-by:Martin KaFai Lau <kafai@fb.com> Signed-off-by:
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Martin KaFai Lau authored
After doing map_perf_test with a much bigger BPF_F_NO_COMMON_LRU map, the perf report shows a lot of time spent in rotating the inactive list (i.e. __bpf_lru_list_rotate_inactive): > map_perf_test 32 8 10000 1000000 | awk '{sum += $3}END{print sum}' 19644783 (19M/s) > map_perf_test 32 8 10000000 10000000 | awk '{sum += $3}END{print sum}' 6283930 (6.28M/s) By inactive, it usually means the element is not in cache. Hence, there is a need to tune the PERCPU_NR_SCANS value. This patch finds a better number of elements to scan during each list rotation. The PERCPU_NR_SCANS (which is defined the same as PERCPU_FREE_TARGET) decreases from 16 elements to 4 elements. This change only affects the BPF_F_NO_COMMON_LRU map. The test_lru_dist does not show meaningful difference between 16 and 4. Our production L4 load balancer which uses the LRU map for conntrack-ing also shows little change in cache hit rate. Since both benchmark and production data show no cache-hit difference, PERCPU_NR_SCANS is lowered from 16 to 4. We can consider making it configurable if we find a usecase later that shows another value works better and/or use a different rotation strategy. After this change: > map_perf_test 32 8 10000000 10000000 | awk '{sum += $3}END{print sum}' 9240324 (9.2M/s) i.e. 6.28M/s -> 9.2M/s The test_lru_dist has not shown meaningful difference: > test_lru_dist zipf.100k.a1_01.out 4000 1: nr_misses: 31575 (Before) vs 31566 (After) > test_lru_dist zipf.100k.a0_01.out 40000 1 nr_misses: 67036 (Before) vs 67031 (After) Signed-off-by: -
Martin KaFai Lau authored
The current bpf_map_def is statically defined during compile time. This patch allows the *_user.c program to change it during runtime. It is done by adding load_bpf_file_fixup_map() which takes a callback. The callback will be called before creating each map so that it has a chance to modify the bpf_map_def. The current usecase is to change max_entries in map_perf_test. It is interesting to test with a much bigger map size in some cases (e.g. the following patch on bpf_lru_map.c). However, it is hard to find one size to fit all testing environment. Hence, it is handy to take the max_entries as a cmdline arg and then configure the bpf_map_def during runtime. This patch adds two cmdline args. One is to configure the map's max_entries. Another is to configure the max_cnt which controls how many times a syscall is called. Signed-off-by:
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Martin KaFai Lau authored
One more LRU test will be added later in this patch series. In this patch, we first move all existing LRU map tests into a single syscall (connect) first so that the future new LRU test can be added without hunting another syscall. One of the map name is also changed from percpu_lru_hash_map to nocommon_lru_hash_map to avoid the confusion with percpu_hash_map. Signed-off-by:
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Martin KaFai Lau authored
This patch does the following cleanup on test_lru_map.c 1) Fix indentation (Replace spaces by tabs) 2) Remove redundant BPF_F_NO_COMMON_LRU test 3) Simplify some comments Signed-off-by:
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Martin KaFai Lau authored
test_lru_sanity3 is not applicable to BPF_F_NO_COMMON_LRU. It just happens to work when PERCPU_FREE_TARGET == 16. This patch: 1) Disable test_lru_sanity3 for BPF_F_NO_COMMON_LRU 2) Add test_lru_sanity6 to test list rotation for the BPF_F_NO_COMMON_LRU map. Signed-off-by:
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Jisheng Zhang authored
Recently, suspend/resume and WOL support are added into mvneta driver. If we enable WOL, then we get some error as below on Marvell BG4CT platforms during suspend: [ 184.149723] dpm_run_callback(): mdio_bus_suspend+0x0/0x50 returns -16 [ 184.149727] PM: Device f7b62004.mdio-mi:00 failed to suspend: error -16 -16 means -EBUSY, phy_suspend() will return -EBUSY if it finds the device has WOL enabled. We fix this issue by properly setting the netdev's power.can_wakeup and power.wakeup, i.e 1. in mvneta_mdio_probe(), call device_set_wakeup_capable() to set power.can_wakeup if the phy support WOL. 2. in mvneta_ethtool_set_wol(), call device_set_wakeup_enable() to set power.wakeup if WOL has been successfully enabled in phy. Signed-off-by:
Jisheng Zhang <jszhang@marvell.com> Signed-off-by:
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Nikolay Aleksandrov authored
Recently we added support for SW fdbs to take over HW ones, but that results in changing a user-visible fdb flag thus we need to send a notification, also it's consistent with how HW takes over SW entries. Signed-off-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by:
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WANG Cong authored
struct kcm_clone only contains fd, and kcm_clone() only writes this struct, so there is no need to copy it from user. Cc: Tom Herbert <tom@herbertland.com> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
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Jiri Pirko authored
The section is not specific only to "TC classifiers", but applies to the whole TC subsystem. Also, add couple of forgotten headers. Signed-off-by:
Jiri Pirko <jiri@mellanox.com> Acked-by:
Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by:
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Russell King authored
Simplify the loop in phy_supported_speeds(). Signed-off-by:
Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by:
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Russell King authored
phylib has some undesirable behaviour when forcing a link mode through ethtool. phylib uses this code: idx = phy_find_valid(phy_find_setting(phydev->speed, phydev->duplex), features); to find an index in the settings table. phy_find_setting() starts at index 0, and scans upwards looking for an exact speed and duplex match. When it doesn't find it, it returns MAX_NUM_SETTINGS - 1, which is 10baseT-Half duplex. phy_find_valid() then scans from the point (and effectively only checks one entry) before bailing out, returning MAX_NUM_SETTINGS - 1. phy_sanitize_settings() then sets ->speed to SPEED_10 and ->duplex to DUPLEX_HALF whether or not 10baseT-Half is supported or not. This goes against all the comments against these functions, and 10baseT-Half may not even be supported by the hardware. Rework these functions, introducing a new method of scanning the table. There are two modes of lookup that phylib wants: exact, and inexact. - in exact mode, we return either an exact match or failure - in inexact mode, we return an exact match if it exists, a match at the highest speed that is not greater than the requested speed (ignoring duplex), or failing that, the lowest supported speed, or failure. The biggest difference is that we always check whether the entry is supported before further consideration, so all unsupported entries are not considered as candidates. This results in arguably saner behaviour, better matches the comments, and is probably what users would expect. This becomes important as ethernet speeds increase, PHYs exist which do not support the 10Mbit speeds, and half-duplex is likely to become obsolete - it's already not even an option on 10Gbit and faster links. Signed-off-by:
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stephen hemminger authored
Since 3.12 it has been possible to configure the default queuing discipline via sysctl. This patch adds ability to configure the default queue discipline in kernel configuration. This is useful for environments where configuring the value from userspace is difficult to manage. The default is still the same as before (pfifo_fast) and it is possible to change after kernel init with sysctl. This is similar to how TCP congestion control works. Signed-off-by:
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David S. Miller authored
Manish Chopra says: ==================== qed/qede: aRFS support This series adds support for Accelerated Flow Steering in qede driver for TCP/UDP over IPv4/IPv6 protocols. Please consider applying this series to "net-next" ==================== Signed-off-by: -
Chopra, Manish authored
This patch adds support for aRFS for TCP and UDP protocols with IPv4/IPv6. Signed-off-by:
Manish Chopra <manish.chopra@cavium.com> Signed-off-by:
Yuval Mintz <yuval.mintz@cavium.com> Signed-off-by:
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Chopra, Manish authored
This patch adds necessary APIs to interface with qede aRFS support in successive patch. It also reserves separate PTT entry for aRFS, [as being in fastpath flow] for hardware access instead of trying to acquire it at run time from the ptt pool. Signed-off-by:
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Martin Wetterwald authored
This chip is used by a lot of embedded devices and also by the Raspberry Pi 1, 2 & 3 which were created to promote the study of computer sciences. Students wanting to learn kernel / network device driver programming through those devices can only rely on the Linux kernel driver source to make their own. This commit adds a lot of comments to the registers definition to expand the register names. Cc: Steve Glendinning <steve.glendinning@shawell.net> Cc: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> CC: David Miller <davem@davemloft.net> Signed-off-by:
Martin Wetterwald <martin@wetterwald.eu> Reviewed-by:
Steve Glendinning <steve.glendinning@shawell.net> Acked-by:
Woojung Huh <Woojung.Huh@microchip.com> Signed-off-by:
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R. Parameswaran authored
The MTU overhead calculation in L2TP device set-up merged via commit b784e7eb needs to be adjusted to lock the tunnel socket while referencing the sub-data structures to derive the socket's IP overhead. Reported-by:
Guillaume Nault <g.nault@alphalink.fr> Tested-by:
R. Parameswaran <rparames@brocade.com> Signed-off-by:
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