- 30 Mar, 2018 40 commits
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David S. Miller authored
Jose Abreu says: ==================== Fix TX Timeout and implement Safety Features Fix the TX Timeout handler to correctly reconfigure the whole system and start implementing features for DWMAC5 cores, specifically the Safety Features. Changes since v1: - Display error stats in ethtool ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Jose Abreu authored
This adds initial suport for DWMAC5 and implements the Automotive Safety Package which is available from core version 5.10. The Automotive Safety Pacakge (also called Safety Features) offers us with error protection in the core by implementing ECC Protection in memories, on-chip data path parity protection, FSM parity and timeout protection and Application/CSR interface timeout protection. In case of an uncorrectable error we call stmmac_global_err() and reconfigure the whole core. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Joao Pinto <jpinto@synopsys.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jose Abreu authored
Currently TX Timeout handler does not behaves as expected and leads to an unrecoverable state. Rework current implementation of TX Timeout handling to actually perform a complete reset of the driver state and IP. We use deferred work to init a task which will be responsible for resetting the system. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Joao Pinto <jpinto@synopsys.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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Jisheng Zhang authored
The style of the rx/tx queue's *_coal member assignment is: static void foo_coal_set(...) { set the coal in hw; update queue's foo_coal member; [1] } In other place, we call foo_coal_set(pp, queue->foo_coal), so the above [1] is duplicated and could be removed. Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Lorenzo Bianconi says: ==================== do not allow adding routes if disable_ipv6 is enabled Do not allow userspace to add static ipv6 routes if disable_ipv6 is enabled. Update disable_ipv6 documentation according to that change Changes since v1: - added an extack message telling the user that IPv6 is disabled on the nexthop device - rebased on-top of net-next ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Lorenzo Bianconi authored
Clarify that when disable_ipv6 is enabled even the ipv6 routes are deleted for the selected interface and from now it will not be possible to add addresses/routes to that interface Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Lorenzo Bianconi authored
Do not allow setting ipv6 routes from userspace if disable_ipv6 has been enabled. The issue can be triggered using the following reproducer: - sysctl net.ipv6.conf.all.disable_ipv6=1 - ip -6 route add a:b:c:d::/64 dev em1 - ip -6 route show a:b:c:d::/64 dev em1 metric 1024 pref medium Fix it checking disable_ipv6 value in ip6_route_info_create routine Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-nextDavid S. Miller authored
Pablo Neira Ayuso says: ==================== Netfilter/IPVS updates for net-next The following patchset contains Netfilter/IPVS updates for your net-next tree. This batch comes with more input sanitization for xtables to address bug reports from fuzzers, preparation works to the flowtable infrastructure and assorted updates. In no particular order, they are: 1) Make sure userspace provides a valid standard target verdict, from Florian Westphal. 2) Sanitize error target size, also from Florian. 3) Validate that last rule in basechain matches underflow/policy since userspace assumes this when decoding the ruleset blob that comes from the kernel, from Florian. 4) Consolidate hook entry checks through xt_check_table_hooks(), patch from Florian. 5) Cap ruleset allocations at 512 mbytes, 134217728 rules and reject very large compat offset arrays, so we have a reasonable upper limit and fuzzers don't exercise the oom-killer. Patches from Florian. 6) Several WARN_ON checks on xtables mutex helper, from Florian. 7) xt_rateest now has a hashtable per net, from Cong Wang. 8) Consolidate counter allocation in xt_counters_alloc(), from Florian. 9) Earlier xt_table_unlock() call in {ip,ip6,arp,eb}tables, patch from Xin Long. 10) Set FLOW_OFFLOAD_DIR_* to IP_CT_DIR_* definitions, patch from Felix Fietkau. 11) Consolidate code through flow_offload_fill_dir(), also from Felix. 12) Inline ip6_dst_mtu_forward() just like ip_dst_mtu_maybe_forward() to remove a dependency with flowtable and ipv6.ko, from Felix. 13) Cache mtu size in flow_offload_tuple object, this is safe for forwarding as f87c10a8 describes, from Felix. 14) Rename nf_flow_table.c to nf_flow_table_core.o, to simplify too modular infrastructure, from Felix. 15) Add rt0, rt2 and rt4 IPv6 routing extension support, patch from Ahmed Abdelsalam. 16) Remove unused parameter in nf_conncount_count(), from Yi-Hung Wei. 17) Support for counting only to nf_conncount infrastructure, patch from Yi-Hung Wei. 18) Add strict NFT_CT_{SRC_IP,DST_IP,SRC_IP6,DST_IP6} key datatypes to nft_ct. 19) Use boolean as return value from ipt_ah and from IPVS too, patch from Gustavo A. R. Silva. 20) Remove useless parameters in nfnl_acct_overquota() and nf_conntrack_broadcast_help(), from Taehee Yoo. 21) Use ipv6_addr_is_multicast() from xt_cluster, also from Taehee Yoo. 22) Statify nf_tables_obj_lookup_byhandle, patch from Fengguang Wu. 23) Fix typo in xt_limit, from Geert Uytterhoeven. 24) Do no use VLAs in Netfilter code, again from Gustavo. 25) Use ADD_COUNTER from ebtables, from Taehee Yoo. 26) Bitshift support for CONNMARK and MARK targets, from Jack Ma. 27) Use pr_*() and add pr_fmt(), from Arushi Singhal. 28) Add synproxy support to ctnetlink. 29) ICMP type and IGMP matching support for ebtables, patches from Matthias Schiffer. 30) Support for the revision infrastructure to ebtables, from Bernie Harris. 31) String match support for ebtables, also from Bernie. 32) Documentation for the new flowtable infrastructure. 33) Use generic comparison functions in ebt_stp, from Joe Perches. 34) Demodularize filter chains in nftables. 35) Register conntrack hooks in case nftables NAT chain is added. 36) Merge assignments with return in a couple of spots in the Netfilter codebase, also from Arushi. 37) Document that xtables percpu counters are stored in the same memory area, from Ben Hutchings. 38) Revert mark_source_chains() sanity checks that break existing rulesets, from Florian Westphal. 39) Use is_zero_ether_addr() in the ipset codebase, from Joe Perches. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Kirill Tkhai says: ==================== Close race between {un, }register_netdevice_notifier and pernet_operations the problem is {,un}register_netdevice_notifier() do not take pernet_ops_rwsem, and they don't see network namespaces, being initialized in setup_net() and cleanup_net(), since at this time net is not hashed to net_namespace_list. This may lead to imbalance, when a notifier is called at time of setup_net()/net is alive, but it's not called at time of cleanup_net(), for the devices, hashed to the net, and vise versa. See (3/3) for the scheme of imbalance. This patchset fixes the problem by acquiring pernet_ops_rwsem at the time of {,un}register_netdevice_notifier() (3/3). (1-2/3) are preparations in xfrm and netfilter subsystems. The problem was introduced a long ago, but backporting won't be easy, since every previous kernel version may have changes in netdevice notifiers, and they all need review and testing. Otherwise, there may be more pernet_operations, which register or unregister netdevice notifiers, and that leads to deadlock (which is was fixed in 1-2/3). This patchset is for net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Kirill Tkhai authored
{un,}register_netdevice_notifier() iterate over all net namespaces hashed to net_namespace_list. But pernet_operations register and unregister netdevices in unhashed net namespace, and they are not seen for netdevice notifiers. This results in asymmetry: 1)Race with register_netdevice_notifier() pernet_operations::init(net) ... register_netdevice() ... call_netdevice_notifiers() ... ... nb is not called ... ... register_netdevice_notifier(nb) -> net skipped ... ... list_add_tail(&net->list, ..) ... Then, userspace stops using net, and it's destructed: pernet_operations::exit(net) unregister_netdevice() call_netdevice_notifiers() ... nb is called ... This always happens with net::loopback_dev, but it may be not the only device. 2)Race with unregister_netdevice_notifier() pernet_operations::init(net) register_netdevice() call_netdevice_notifiers() ... nb is called ... Then, userspace stops using net, and it's destructed: list_del_rcu(&net->list) ... pernet_operations::exit(net) unregister_netdevice_notifier(nb) -> net skipped dev_change_net_namespace() ... call_netdevice_notifiers() ... nb is not called ... unregister_netdevice() call_netdevice_notifiers() ... nb is not called ... This race is more danger, since dev_change_net_namespace() moves real network devices, which use not trivial netdevice notifiers, and if this will happen, the system will be left in unpredictable state. The patch closes the race. During the testing I found two places, where register_netdevice_notifier() is called from pernet init/exit methods (which led to deadlock) and fixed them (see previous patches). The review moved me to one more unusual registration place: raw_init() (can driver). It may be a reason of problems, if someone creates in-kernel CAN_RAW sockets, since they will be destroyed in exit method and raw_release() will call unregister_netdevice_notifier(). But grep over kernel tree does not show, someone creates such sockets from kernel space. Theoretically, there can be more places like this, and which are hidden from review, but we found them on the first bumping there (since there is no a race, it will be 100% reproducible). Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Kirill Tkhai authored
Register netdevice notifier for every iptable entry is not good, since this breaks modularity, and the hidden synchronization is based on rtnl_lock(). This patch reworks the synchronization via new lock, while the rest of logic remains as it was before. This is required for the next patch. Tested via: while :; do unshare -n iptables -t mangle -A OUTPUT -j TEE --gateway 1.1.1.2 --oif lo; done Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Kirill Tkhai authored
Currently, driver registers it from pernet_operations::init method, and this breaks modularity, because initialization of net namespace and netdevice notifiers are orthogonal actions. We don't have per-namespace netdevice notifiers; all of them are global for all devices in all namespaces. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Mike Looijmans says: ==================== of_net: Implement of_get_nvmem_mac_address helper Posted this as a small set now, with an (optional) second patch that shows how the changes work and what I've used to test the code on a Topic Miami board. I've taken the liberty to add appropriate "Acked" and "Review" tags. v4: Replaced "6" with ETH_ALEN v3: Add patch that implements mac in nvmem for the Cadence MACB controller Remove the integrated of_get_mac_address call v2: Use of_nvmem_cell_get to avoid needing the assiciated device Use void* instead of char* Add devicetree binding doc ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Mike Looijmans authored
Call of_get_nvmem_mac_address() to fetch the MAC address from an nvmem cell, if one is provided in the device tree. This allows the address to be stored in an I2C EEPROM device for example. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Mike Looijmans authored
It's common practice to store MAC addresses for network interfaces into nvmem devices. However the code to actually do this in the kernel lacks, so this patch adds of_get_nvmem_mac_address() for drivers to obtain the address from an nvmem cell provider. This is particulary useful on devices where the ethernet interface cannot be configured by the bootloader, for example because it's in an FPGA. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Jakub Kicinski says: ==================== nfp: flower: handle MTU changes This set improves MTU handling for flower offload. The max MTU is correctly capped and physical port MTU is communicated to the FW (and indirectly HW). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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John Hurley authored
Trigger a port mod message to request an MTU change on the NIC when any physical port representor is assigned a new MTU value. The driver waits 10 msec for an ack that the FW has set the MTU. If no ack is received the request is rejected and an appropriate warning flagged. Rather than maintain an MTU queue per repr, one is maintained per app. Because the MTU ndo is protected by the rtnl lock, there can never be contention here. Portmod messages from the NIC are also protected by rtnl so we first check if the portmod is an ack and, if so, handle outside rtnl and the cmsg work queue. Acks are detected by the marking of a bit in a portmod response. They are then verfied by checking the port number and MTU value expected by the app. If the expected MTU is 0 then no acks are currently expected. Also, ensure that the packet headroom reserved by the flower firmware is considered when accepting an MTU change on any repr. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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John Hurley authored
Rename the 'change_mtu' app callback to 'check_mtu'. This is called whenever an MTU change is requested on a netdev. It can reject the change but is not responsible for implementing it. Introduce a new 'repr_change_mtu' app callback that is hit when the MTU of a repr is to be changed. This is responsible for performing the MTU change and verifying it. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Florian Fainelli says: ==================== phylink: API changes This patch series contains two API changes to PHYLINK which will later be used by DSA to migrate to PHYLINK. Because these are API changes that impact other outstanding work (e.g: MVPP2) I would rather get them included sooner to minimize conflicts. Thank you! Changes in v2: - added missing documentation to mac_link_{up,down} that the interface must be configured in mac_config() - added Russell's, Andrew's and my tags ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Russell King authored
Provide a pointer to the SFP bus in struct net_device, so that the ethtool module EEPROM methods can access the SFP directly, rather than needing every user to provide a hook for it. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
In preparation for having DSA transition entirely to PHYLINK, we need to pass a PHY interface type to the mac_link_{up,down} callbacks because we may have to make decisions on that (e.g: turn on/off RGMII interfaces etc.). We do not pass an entire phylink_link_state because not all parameters (pause, duplex etc.) are defined when the link is down, only link and interface are. Update mvneta accordingly since it currently implements phylink_mac_ops. Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Ronak Doshi authored
Shrikrishna Khare would no longer maintain the vmxnet3 driver. Taking over the role of vmxnet3 maintainer. Signed-off-by: Ronak Doshi <doshir@vmware.com> Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller authored
Florian Fainelli says: ==================== net: Broadcom drivers coalescing fixes Following Tal's review of the adaptive RX/TX coalescing feature added to the SYSTEMPORT and GENET driver a number of things showed up: - adaptive TX coalescing is not actually a good idea with the current way the estimator will program the ring, this results in a higher CPU load, NAPI on TX already does a reasonably good job at maintaining the interrupt count low - both SYSTEMPORT and GENET would suffer from the same issues while configuring coalescing parameters where the values would just not be applied correctly based on user settings, so we fix that too Tal, thanks again for your feedback, I would appreciate if you could review that the new behavior appears to be implemented correctly. Thanks! Changes in v2: - added Tal's reviewed-by to the first patch - split DIM initialization from coalescing parameters initialization - avoid duplicating the same code in bcmgenet_set_coalesce() when configuring RX rings - fixed the condition where default DIM parameters would be applied when adaptive RX coalescing would be enabled, do this only if it was disabled before ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
There were a number of issues with setting the RX coalescing parameters: - we would not be preserving values that would have been configured across close/open calls, instead we would always reset to no timeout and 1 interrupt per packet, this would also prevent DIM from setting its default usec/pkts values - when adaptive RX would be turned on, we woud not be fetching the default parameters, we would stay with no timeout/1 packet per interrupt until the estimator kicks in and changes that - finally disabling adaptive RX coalescing while providing parameters would not be honored, and we would stay with whatever DIM had previously determined instead of the user requested parameters Fixes: 9f4ca058 ("net: bcmgenet: Add support for adaptive RX coalescing") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Tal Gilboa <talgi@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
There were a number of issues with setting the RX coalescing parameters: - we would not be preserving values that would have been configured across close/open calls, instead we would always reset to no timeout and 1 interrupt per packet, this would also prevent DIM from setting its default usec/pkts values - when adaptive RX would be turned on, we woud not be fetching the default parameters, we would stay with no timeout/1 packet per interrupt until the estimator kicks in and changes that - finally disabling adaptive RX coalescing while providing parameters would not be honored, and we would stay with whatever DIM had previously determined instead of the user requested parameters Fixes: b6e0e875 ("net: systemport: Implement adaptive interrupt coalescing") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Tal Gilboa <talgi@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
Adaptive TX coalescing is not currently giving us any advantages and ends up making the CPU spin more frequently until TX completion. Deny and disable adaptive TX coalescing for now and rely on static configuration, we can always add it back later. Reviewed-by: Tal Gilboa <talgi@mellanox.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Gal Pressman authored
NETIF_F_HW_VLAN_[CS]TAG_FILTER features require more than just a bit flip in dev->features in order to keep the driver in a consistent state. These features notify the driver of each added/removed vlan, but toggling of vlan-filter does not notify the driver accordingly for each of the existing vlans. This patch implements a similar solution to NETIF_F_RX_UDP_TUNNEL_PORT behavior (which notifies the driver about UDP ports in the same manner that vids are reported). Each toggling of the features propagates to the 8021q module, which iterates over the vlans and call add/kill ndo accordingly. Signed-off-by: Gal Pressman <galp@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Wei Yongjun authored
Fix to return a negative error code from the hash filter init error handling case instead of 0, as done elsewhere in this function. Fixes: 5c31254e ("cxgb4: initialize hash-filter configuration") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Joe Perches authored
To make the test a bit clearer and to reduce object size a little. Miscellanea: o remove now unnecessary static const array $ size ip_set_hash_mac.o* text data bss dec hex filename 22822 4619 64 27505 6b71 ip_set_hash_mac.o.allyesconfig.new 22932 4683 64 27679 6c1f ip_set_hash_mac.o.allyesconfig.old 10443 1040 0 11483 2cdb ip_set_hash_mac.o.defconfig.new 10507 1040 0 11547 2d1b ip_set_hash_mac.o.defconfig.old Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Florian Westphal authored
This reverts commit 0d7df906. Valdis Kletnieks reported that xtables is broken in linux-next since 0d7df906 ("netfilter: x_tables: ensure last rule in base chain matches underflow/policy"), as kernel rejects the (well-formed) ruleset: [ 64.402790] ip6_tables: last base chain position 1136 doesn't match underflow 1344 (hook 1) mark_source_chains is not the correct place for such a check, as it terminates evaluation of a chain once it sees an unconditional verdict (following rules are known to be unreachable). It seems preferrable to fix libiptc instead, so remove this check again. Fixes: 0d7df906 ("netfilter: x_tables: ensure last rule in base chain matches underflow/policy") Reported-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Ben Hutchings authored
Due to the way percpu counters are allocated and freed in blocks, it is not safe to free counters individually. Currently all callers do the right thing, but let's note this restriction. Fixes: ae0ac0ed ("netfilter: x_tables: pack percpu counter allocations") Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Arushi Singhal authored
Merge assignment with return statement to directly return the value. Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
Replace opencoded implementation of nft_set_lookup_global() by call to this function. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
To prepare shorter introduction of shorter function prefix. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
Register conntrack hooks if the user adds NAT chains. Users get confused with the existing behaviour since they will see no packets hitting this chain until they add the first rule that refers to conntrack. This patch adds new ->init() and ->free() indirections to chain types that can be used by NAT chains to invoke the conntrack dependency. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
One module per supported filter chain family type takes too much memory for very little code - too much modularization - place all chain filter definitions in one single file. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
Use WARN_ON() instead since it should not happen that neither family goes over NFPROTO_NUMPROTO nor there is already a chain of this type already registered. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
Use nft_ prefix. By when I added chain types, I forgot to use the nftables prefix. Rename enum nft_chain_type to enum nft_chain_types too, otherwise there is an overlap. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Joe Perches authored
Instead of unnecessary const declarations, use the generic functions to save a little object space. $ size net/bridge/netfilter/ebt_stp.o* text data bss dec hex filename 1250 144 0 1394 572 net/bridge/netfilter/ebt_stp.o.new 1344 144 0 1488 5d0 net/bridge/netfilter/ebt_stp.o.old Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso authored
This patch adds initial documentation for the Netfilter flowtable infrastructure. Reviewed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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