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2019-09-13netfilter: conntrack: remove two unused functions from nf_conntrack_timestamp.h.Jeremy Sowden1-16/+0
Two inline functions defined in nf_conntrack_timestamp.h, `nf_ct_tstamp_enabled` and `nf_ct_set_tstamp`, are not called anywhere. Remove them. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: remove CONFIG_NF_CONNTRACK checks from nf_conntrack_zones.h.Jeremy Sowden1-4/+1
nf_conntrack_zones.h was wrapped in a CONFIG_NF_CONNTRACK check in order to fix compilation failures: 37ee3d5b3e97 ("netfilter: nf_defrag_ipv4: fix compilation error with NF_CONNTRACK=n") Subsequent changes mean that these failures will no longer occur and the check is unnecessary. Remove it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: remove CONFIG_NETFILTER checks from headers.Jeremy Sowden16-56/+10
`struct nf_hook_ops`, `struct nf_hook_state` and the `nf_hookfn` function typedef appear in function and struct declarations and definitions in a number of netfilter headers. The structs and typedef themselves are defined by linux/netfilter.h but only when CONFIG_NETFILTER is enabled. Define them unconditionally and add forward declarations in order to remove CONFIG_NETFILTER conditionals from the other headers. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: remove CONFIG_NF_CONNTRACK check from nf_conntrack_acct.h.Jeremy Sowden1-2/+0
There is a superfluous `#if IS_ENABLED(CONFIG_NF_CONNTRACK)` check wrapping some function declarations. Remove it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: move code to linux/nf_conntrack_common.h.Jeremy Sowden4-37/+40
Move some `struct nf_conntrack` code from linux/skbuff.h to linux/nf_conntrack_common.h. Together with a couple of helpers for getting and setting skb->_nfct, it allows us to remove CONFIG_NF_CONNTRACK checks from net/netfilter/nf_conntrack.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: br_netfilter: update stub br_nf_pre_routing_ipv6 parameter to `void *priv`.Jeremy Sowden1-1/+1
The real br_nf_pre_routing_ipv6 function, defined when CONFIG_IPV6 is enabled, expects `void *priv`, not `const struct nf_hook_ops *ops`. Update the stub br_nf_pre_routing_ipv6, defined when CONFIG_IPV6 is disabled, to match. Fixes: 06198b34a3e0 ("netfilter: Pass priv instead of nf_hook_ops to netfilter hooks") Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: wrap two inline functions in config checks.Jeremy Sowden2-0/+6
nf_conntrack_synproxy.h contains three inline functions. The contents of two of them are wrapped in CONFIG_NETFILTER_SYNPROXY checks and just return NULL if it is not enabled. The third does nothing if they return NULL, so wrap its contents as well. nf_ct_timeout_data is only called if CONFIG_NETFILTER_TIMEOUT is enabled. Wrap its contents in a CONFIG_NETFILTER_TIMEOUT check like the other inline functions in nf_conntrack_timeout.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: replace defined(CONFIG...) || defined(CONFIG...MODULE) with IS_ENABLED(CONFIG...).Jeremy Sowden4-5/+5
A few headers contain instances of: #if defined(CONFIG_XXX) or defined(CONFIG_XXX_MODULE) Replace them with: #if IS_ENABLED(CONFIG_XXX) Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: conntrack: use consistent style when defining inline functionsJeremy Sowden1-32/+50
The header contains some inline functions defined as: static inline f (...) { #ifdef CONFIG_NF_CONNTRACK_EVENTS ... #else ... #endif } and a few others as: #ifdef CONFIG_NF_CONNTRACK_EVENTS static inline f (...) { ... } #else static inline f (...) { ... } #endif Prefer the former style, which is more numerous. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: move nf_bridge_frag_data struct definition to a more appropriate header.Jeremy Sowden5-23/+23
There is a struct definition function in nf_conntrack_bridge.h which is not specific to conntrack and is used elswhere in netfilter. Move it into netfilter_bridge.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: synproxy: move code between headers.Jeremy Sowden2-39/+38
There is some non-conntrack code in the nf_conntrack_synproxy.h header. Move it to the nf_synproxy.h header. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: move inline nf_ip6_ext_hdr() function to a more appropriate header.Jeremy Sowden4-16/+16
There is an inline function in ip6_tables.h which is not specific to ip6tables and is used elswhere in netfilter. Move it into netfilter_ipv6.h and update the callers. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: remove nf_conntrack_icmpv6.h header.Jeremy Sowden3-23/+0
nf_conntrack_icmpv6.h contains two object macros which duplicate macros in linux/icmpv6.h. The latter definitions are also visible wherever it is included, so remove it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: update include directives.Jeremy Sowden15-18/+27
Include some headers in files which require them, and remove others which are not required. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: inline xt_hashlimit, ebt_802_3 and xt_physdev headersJeremy Sowden6-35/+16
Three netfilter headers are only included once. Inline their contents at those sites and remove them. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: ip_tables: remove unused function declarations.Jeremy Sowden2-4/+1
Two headers include declarations of functions which are never defined. Remove them. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: fix coding-style errors.Jeremy Sowden11-23/+23
Several header-files, Kconfig files and Makefiles have trailing white-space. Remove it. In netfilter/Kconfig, indent the type of CONFIG_NETFILTER_NETLINK_ACCT correctly. There are semicolons at the end of two function definitions in include/net/netfilter/nf_conntrack_acct.h and include/net/netfilter/nf_conntrack_ecache.h. Remove them. Fix indentation in nf_conntrack_l4proto.h. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: fix include guards.Jeremy Sowden2-4/+9
nf_conntrack_labels.h has no include guard. Add it. The comment following the #endif in the nf_flow_table.h include guard referred to the wrong macro. Fix it. Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: nf_tables_offload: remove rules when the device unregisterswenxu3-5/+51
If the net_device unregisters, clean up the offload rules before the chain is destroy. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: nf_tables_offload: refactor the nft_flow_offload_rule functionwenxu1-7/+13
Pass rule, chain and flow_rule object parameters to nft_flow_offload_rule to reuse it. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: nf_tables_offload: refactor the nft_flow_offload_chain functionwenxu1-7/+13
Pass chain and policy parameters to nft_flow_offload_chain to reuse it. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-13netfilter: nf_tables_offload: add __nft_offload_get_chain functionwenxu1-18/+34
Add __nft_offload_get_chain function to get basechain from device. This function requires that caller holds the per-netns nftables mutex. This patch implicitly fixes missing offload flags check and proper mutex from nft_indr_block_cb(). Fixes: 9a32669fecfb ("netfilter: nf_tables_offload: support indr block call") Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-10netfilter: nft_{fwd,dup}_netdev: add offload supportPablo Neira Ayuso7-3/+70
This patch adds support for packet mirroring and redirection. The nft_fwd_dup_netdev_offload() function configures the flow_action object for the fwd and the dup actions. Extend nft_flow_rule_destroy() to release the net_device object when the flow_rule object is released, since nft_fwd_dup_netdev_offload() bumps the net_device reference counter. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: wenxu <wenxu@ucloud.cn>
2019-09-10netfilter: nft_synproxy: add synproxy stateful object supportFernando Fernandez Mancera2-22/+124
Register a new synproxy stateful object type into the stateful object infrastructure. Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-08netfilter: nf_tables_offload: move indirect flow_block callback logic to corePablo Neira Ayuso3-15/+24
Add nft_offload_init() and nft_offload_exit() function to deal with the init and the exit path of the offload infrastructure. Rename nft_indr_block_get_and_ing_cmd() to nft_indr_block_cb(). Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-08netfilter: nf_tables_offload: avoid excessive stack usageArnd Bergmann1-7/+13
The nft_offload_ctx structure is much too large to put on the stack: net/netfilter/nf_tables_offload.c:31:23: error: stack frame size of 1200 bytes in function 'nft_flow_rule_create' [-Werror,-Wframe-larger-than=] Use dynamic allocation here, as we do elsewhere in the same function. Fixes: c9626a2cbdb2 ("netfilter: nf_tables: add hardware offload support") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-08netfilter: nf_tables: Fix an Oops in nf_tables_updobj() error handlingDan Carpenter1-3/+3
The "newobj" is an error pointer so we can't pass it to kfree(). It doesn't need to be freed so we can remove that and I also renamed the error label. Fixes: d62d0ba97b58 ("netfilter: nf_tables: Introduce stateful object update operation") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Fernando Fernandez Mancera <ffmancera@riseup.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-09-07Merge branch 'net-tls-small-TX-offload-optimizations'David S. Miller1-39/+91
Jakub Kicinski says: ==================== net/tls: small TX offload optimizations This set brings small TLS TX device optimizations. The biggest gain comes from fixing a misuse of non temporal copy instructions. On a synthetic workload modelled after customer's RFC application I see 3-5% percent gain. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net/tls: align non temporal copy to cache linesJakub Kicinski1-5/+28
Unlike normal TCP code TLS has to touch the cache lines it copies into to fill header info. On memory-heavy workloads having non temporal stores and normal accesses targeting the same cache line leads to significant overhead. Measured 3% overhead running 3600 round robin connections with additional memory heavy workload. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net/tls: remove the record tail optimizationJakub Kicinski1-20/+47
For TLS device offload the tag/message authentication code are filled in by the device. The kernel merely reserves space for them. Because device overwrites it, the contents of the tag make do no matter. Current code tries to save space by reusing the header as the tag. This, however, leads to an additional frag being created and defeats buffer coalescing (which trickles all the way down to the drivers). Remove this optimization, and try to allocate the space for the tag in the usual way, leave the memory uninitialized. If memory allocation fails rewind the record pointer so that we use the already copied user data as tag. Note that the optimization was actually buggy, as the tag for TLS 1.2 is 16 bytes, but header is just 13, so the reuse may had looked past the end of the page.. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net/tls: use RCU for the adder to the offload record listJakub Kicinski1-8/+13
All modifications to TLS record list happen under the socket lock. Since records form an ordered queue readers are only concerned about elements being removed, additions can happen concurrently. Use RCU primitives to ensure the correct access types (READ_ONCE/WRITE_ONCE). Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net/tls: unref frags in orderJakub Kicinski1-6/+3
It's generally more cache friendly to walk arrays in order, especially those which are likely not in cache. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-nextDavid S. Miller13-110/+197
Johan Hedberg says: ==================== pull request: bluetooth-next 2019-09-06 Here's the main bluetooth-next pull request for the 5.4 kernel. - Cleanups & fixes to btrtl driver - Fixes for Realtek devices in btusb, e.g. for suspend handling - Firmware loading support for BCM4345C5 - hidp_send_message() return value handling fixes - Added support for utilizing Fast Advertising Interval - Various other minor cleanups & fixes Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: hns3: make array spec_opcode static const, makes object smallerColin Ian King1-1/+1
Don't populate the array spec_opcode on the stack but instead make it static const. Makes the object code smaller by 48 bytes. Before: text data bss dec hex filename 6914 1040 128 8082 1f92 hns3/hns3vf/hclgevf_cmd.o After: text data bss dec hex filename 6866 1040 128 8034 1f62 hns3/hns3vf/hclgevf_cmd.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07be2net: make two arrays static const, makes object smallerColin Ian King1-2/+2
Don't populate the arrays on the stack but instead make them static const. Makes the object code smaller by 281 bytes. Before: text data bss dec hex filename 87553 5672 0 93225 16c29 benet/be_cmds.o After: text data bss dec hex filename 87112 5832 0 92944 16b10 benet/be_cmds.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07ionic: Remove unused including <linux/version.h>YueHaibing1-1/+0
Remove including <linux/version.h> that don't need it. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07Merge branch 'stmmac-next'David S. Miller4-16/+78
Jose Abreu says: ==================== net: stmmac: Improvements and fixes for -next Improvements and fixes for recently introduced features. All for -next tree. More info in commit logs. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: stmmac: Limit max speeds of XGMAC if asked toJose Abreu1-9/+16
We may have some SoCs that can't achieve XGMAC max speed. Limit it if asked to. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: stmmac: selftests: Add Split Header testJose Abreu1-0/+42
Add a test to validate that Split Header feature is working correctly. It works by using the rececently introduced counter that increments each time a packet with split header is received. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: stmmac: dwmac4: Enable RX Jumbo frame supportJose Abreu2-7/+2
We are already doing it by default in the TX path so we can also enable Jumbo Frame support in the RX path independently of MTU value. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: stmmac: selftests: Set RX tail pointer in Flow Control testJose Abreu1-0/+6
We need to set the RX tail pointer so that RX engine starts working again after finishing the Flow Control test. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: stmmac: selftests: Add missing checks for support of SAJose Abreu1-0/+12
Add checks for support of Source Address Insertion/Replacement before running the test. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07ipmr: remove hard code cache_resolve_queue_len limitHangbin Liu2-4/+4
This is a re-post of previous patch wrote by David Miller[1]. Phil Karn reported[2] that on busy networks with lots of unresolved multicast routing entries, the creation of new multicast group routes can be extremely slow and unreliable. The reason is we hard-coded multicast route entries with unresolved source addresses(cache_resolve_queue_len) to 10. If some multicast route never resolves and the unresolved source addresses increased, there will be no ability to create new multicast route cache. To resolve this issue, we need either add a sysctl entry to make the cache_resolve_queue_len configurable, or just remove cache_resolve_queue_len limit directly, as we already have the socket receive queue limits of mrouted socket, pointed by David. >From my side, I'd perfer to remove the cache_resolve_queue_len limit instead of creating two more(IPv4 and IPv6 version) sysctl entry. [1] https://lkml.org/lkml/2018/7/22/11 [2] https://lkml.org/lkml/2018/7/21/343 v3: instead of remove cache_resolve_queue_len totally, let's only remove the hard code limit when allocate the unresolved cache, as Eric Dumazet suggested, so we don't need to re-count it in other places. v2: hold the mfc_unres_lock while walking the unresolved list in queue_count(), as Nikolay Aleksandrov remind. Reported-by: Phil Karn <karn@ka9q.net> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07Merge branch 'hv_netvsc-features'David S. Miller3-5/+24
Haiyang Zhang says: ==================== hv_netvsc: Enable sg as tunable, sync offload settings to VF NIC This patch set fixes an issue in SG tuning, and sync offload settings from synthetic NIC to VF NIC. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07hv_netvsc: Sync offloading features to VF NICHaiyang Zhang1-2/+20
VF NIC may go down then come up during host servicing events. This causes the VF NIC offloading feature settings to roll back to the defaults. This patch can synchronize features from synthetic NIC to the VF NIC during ndo_set_features (ethtool -K), and netvsc_register_vf when VF comes back after host events. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Cc: Mark Bloch <markb@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07hv_netvsc: Allow scatter-gather feature to be tunableHaiyang Zhang3-3/+4
In a previous patch, the NETIF_F_SG was missing after the code changes. That caused the SG feature to be "fixed". This patch includes it into hw_features, so it is tunable again. Fixes: 23312a3be999 ("netvsc: negotiate checksum and segmentation parameters") Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07Merge tag 'mlx5-updates-2019-09-05' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linuxDavid S. Miller15-47/+207
Saeed Mahameed says: ==================== mlx5-updates-2019-09-05 1) Allover mlx5 cleanups 2) Added port congestion counters to ethtool stats: Add 3 counters per priority to ethtool using PPCNT: 2.1) rx_prio[p]_buf_discard - the number of packets discarded by device due to lack of per host receive buffers 2.2) rx_prio[p]_cong_discard - the number of packets discarded by device due to per host congestion 2.3) rx_prio[p]_marked - the number of packets ECN marked by device due to per host congestion ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07tcp: ulp: fix possible crash in tcp_diag_get_aux_size()Eric Dumazet1-1/+1
tcp_diag_get_aux_size() can be called with sockets in any state. icsk_ulp_ops is only present for full sockets. For SYN_RECV or TIME_WAIT ones we would access garbage. Fixes: 61723b393292 ("tcp: ulp: add functions to dump ulp-specific information") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Luke Hsiao <lukehsiao@google.com> Reported-by: Neal Cardwell <ncardwell@google.com> Cc: Davide Caratti <dcaratti@redhat.com> Acked-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: fib_notifier: move fib_notifier_ops from struct net into per-net structJiri Pirko2-9/+23
No need for fib_notifier_ops to be in struct net. It is used only by fib_notifier as a private data. Use net_generic to introduce per-net fib_notifier struct and move fib_notifier_ops there. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07ethernet: micrel: Use DIV_ROUND_CLOSEST directly to make it readablezhong jiang1-1/+1
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d but is perhaps more readable. Signed-off-by: zhong jiang <zhongjiang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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