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2019-04-12netdevsim: move sdev-specific init/uninit code into separate functionsJiri Pirko1-25/+38
In order to improve readability and prepare for future code changes, move sdev specific init/uninit code into separate functions. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12netdevsim: make bpf_offload_dev_create() per-sdev instead of first nsJiri Pirko1-12/+14
offload dev is stored in sdev struct. However, first netdevsim instance is used as a priv. Change this to be sdev to as it is shared among multiple netdevsim instances. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12netdevsim: move sdev specific bpf debugfs files to sdev dirJiri Pirko3-13/+13
Some netdevsim bpf debugfs files are per-sdev, yet they are defined per netdevsim instance. Move them under sdev directory. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12netdevsim: move shared dev creation and destruction into separate fileJiri Pirko4-50/+104
To make code easier to read, move shared dev bits into a separate file. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12Documentation: net: dsa: transition to the rst formatIoana Ciornei5-154/+169
This patch also performs some minor adjustments such as numbering for the receive path sequence, conversion of keywords to inline literals and adding an index page so it looks better in the output of 'make htmldocs'. Signed-off-by: Ioana Ciornei <ciorneiioana@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net: veth: use generic helper to report timestamping infoJulian Wiedmann1-13/+1
For reporting the common set of SW timestamping capabilities, use ethtool_op_get_ts_info() instead of re-implementing it. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net: loopback: use generic helper to report timestamping infoJulian Wiedmann1-13/+1
For reporting the common set of SW timestamping capabilities, use ethtool_op_get_ts_info() instead of re-implementing it. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net: dummy: use generic helper to report timestamping infoJulian Wiedmann1-13/+2
For reporting the common set of SW timestamping capabilities, use ethtool_op_get_ts_info() instead of re-implementing it. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: improve smc_conn_create reason codesKarsten Graul4-59/+58
Rework smc_conn_create() to always return a valid DECLINE reason code. This removes the need to translate the return codes on 4 different places and allows to easily add more detailed return codes by changing smc_conn_create() only. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: improve smc_listen_work reason codesKarsten Graul2-46/+54
Rework smc_listen_work() to provide improved reason codes when an SMC connection is declined. This allows better debugging on user side. This also adds 3 more detailed reason codes in smc_clc.h to indicate what type of device was not found (ism or rdma or both), or if ism cannot talk to the peer. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: code cleanup smc_listen_workKarsten Graul1-15/+14
In smc_listen_work() the variables rc and reason_code are defined which have the same meaning. Eliminate reason_code in favor of the shorter name rc. No functional changes. Rename the functions smc_check_ism() and smc_check_rdma() into smc_find_ism_device() and smc_find_rdma_device() to make there purpose more clear. No functional changes. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: cleanup of get vlan idKarsten Graul3-6/+10
The vlan_id of the underlying CLC socket was retrieved two times during processing of the listen handshaking. Change this to get the vlan id one time in connect and in listen processing, and reuse the id. And add a new CLC DECLINE return code for the case when the retrieval of the vlan id failed. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: consolidate function parametersKarsten Graul7-141/+139
During initialization of an SMC socket a lot of function parameters need to get passed down the function call path. Consolidate the parameters in a helper struct so there are less enough parameters to get all passed by register. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: check for ip prefix and subnetKarsten Graul2-3/+10
The check for a matching ip prefix and subnet was only done for SMC-R in smc_listen_rdma_check() but not when an SMC-D connection was possible. Rename the function into smc_listen_prfx_check() and move its call to a place where it is called for both SMC variants. And add a new CLC DECLINE reason for the case when the IP prefix or subnet check fails so the reason for the failing SMC connection can be found out more easily. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: fallback to TCP after connect problemsKarsten Graul1-4/+4
Correct the CLC decline reason codes for internal problems to not have the sign bit set, negative reason codes are interpreted as not eligible for TCP fallback. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12net/smc: nonblocking connect reworkUrsula Braun2-42/+47
For nonblocking sockets move the kernel_connect() from the connect worker into the initial smc_connect part to return kernel_connect() errors other than -EINPROGRESS to user space. Reviewed-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12xen-netback: add reference from xenvif to backend_info to facilitate coredump analysisDongli Zhang2-16/+19
During coredump analysis, it is not easy to obtain the address of backend_info in xen-netback. So far there are two ways to obtain backend_info: 1. Do what xenbus_device_find() does for vmcore to find the xenbus_device and then derive it from dev_get_drvdata(). 2. Extract backend_info from callstack of xenwatch (e.g., netback_remove() or frontend_changed()). This patch adds a reference from xenvif to backend_info so that it would be much more easier to obtain backend_info during coredump analysis. Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> Acked-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11sctp: Pass sk_buff_head explicitly to sctp_ulpq_tail_event().David Miller3-20/+13
Now the SKB list implementation assumption can be removed. And now that we know that the list head is always non-NULL we can remove the code blocks dealing with that as well. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11sctp: Make sctp_enqueue_event tak an skb list.David Miller2-15/+39
Pass this, instead of an event. Then everything trickles down and we always have events a non-empty list. Then we needs a list creating stub to place into .enqueue_event for sctp_stream_interleave_1. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11sctp: Use helper for sctp_ulpq_tail_event() when hooked up to ->enqueue_eventDavid Miller1-1/+10
This way we can make sure events sent this way to sctp_ulpq_tail_event() are on a list as well. Now all such code paths are fully covered. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11sctp: Always pass skbs on a list to sctp_ulpq_tail_event().David Miller1-6/+10
This way we can simplify the logic and remove assumptions about the implementation of skb lists. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11sctp: Remove superfluous test in sctp_ulpq_reasm_drain().David Miller1-1/+1
Inside the loop, we always start with event non-NULL. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11net: sched: flower: fix filter net reference countingVlad Buslov1-11/+6
Fix net reference counting in fl_change() and remove redundant call to tcf_exts_get_net() from __fl_delete(). __fl_put() already tries to get net before releasing exts and deallocating a filter, so this code caused flower classifier to obtain net twice per filter that is being deleted. Implementation of __fl_delete() called tcf_exts_get_net() to pass its result as 'async' flag to fl_mask_put(). However, 'async' flag is redundant and only complicates fl_mask_put() implementation. This functionality seems to be copied from filter cleanup code, where it was added by Cong with following explanation: This patchset tries to fix the race between call_rcu() and cleanup_net() again. Without holding the netns refcnt the tc_action_net_exit() in netns workqueue could be called before filter destroy works in tc filter workqueue. This patchset moves the netns refcnt from tc actions to tcf_exts, without breaking per-netns tc actions. This doesn't apply to flower mask, which doesn't call any tc action code during cleanup. Simplify fl_mask_put() by removing the flag parameter and always use tcf_queue_work() to free mask objects. Fixes: 061775583e35 ("net: sched: flower: introduce reference counting for filters") Fixes: 1f17f7742eeb ("net: sched: flower: insert filter to ht before offloading it to hw") Fixes: 05cd271fd61a ("cls_flower: Support multiple masks per priority") Reported-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11selftests: Add debugging options to pmtu.shDavid Ahern1-89/+124
pmtu.sh script runs a number of tests and dumps a summary of pass/fail. If a test fails, it is near impossible to debug why. For example: TEST: ipv6: PMTU exceptions [FAIL] There are a lot of commands run behind the scenes for this test. Which one is failing? Add a VERBOSE option to show commands that are run and any output from those commands. Add a PAUSE_ON_FAIL option to halt the script if a test fails allowing users to poke around with the setup in the failed state. In the process, rename tracing to TRACING and move declaration to top with the new variables. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-12bridge: broute: make broute a real ebtables tableFlorian Westphal5-42/+52
This makes broute a normal ebtables table, hooking at PREROUTING. The broute hook is removed. It uses skb->cb to signal to bridge rx handler that the skb should be routed instead of being bridged. This change is backwards compatible with ebtables as no userspace visible parts are changed. This means we can also remove the !ops test in ebt_register_table, it was only there for broute table sake. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-12bridge: netfilter: unroll NF_HOOK helper in bridge input pathFlorian Westphal5-7/+56
Replace NF_HOOK() based invocation of the netfilter hooks with a private copy of nf_hook_slow(). This copy has one difference: it can return the rx handler value expected by the stack, i.e. RX_HANDLER_CONSUMED or RX_HANDLER_PASS. This is needed by the next patch to invoke the ebtables "broute" table via the standard netfilter hooks rather than the custom "br_should_route_hook" indirection that is used now. When the skb is to be "brouted", we must return RX_HANDLER_PASS from the bridge rx input handler, but there is no way to indicate this via NF_HOOK(), unless perhaps by some hack such as exposing bridge_cb in the netfilter core or a percpu flag. text data bss dec filename 3369 56 0 3425 net/bridge/br_input.o.before 3458 40 0 3498 net/bridge/br_input.o.after This allows removal of the "br_should_route_hook" in the next patch. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-12bridge: reduce size of input cb to 16 bytesFlorian Westphal3-16/+16
Reduce size of br_input_skb_cb from 24 to 16 bytes by using bitfield for those values that can only be 0 or 1. igmp is the igmp type value, so it needs to be at least u8. Furthermore, the bridge currently relies on step-by-step initialization of br_input_skb_cb fields as the skb passes through the stack. Explicitly zero out the bridge input cb instead, this avoids having to review/validate that no BR_INPUT_SKB_CB(skb)->foo test can see a 'random' value from previous protocol cb. AFAICS all current fields are always set up before they are read again, so this is not a bug fix. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-12selftests: netfilter: add ebtables broute test caseFlorian Westphal2-1/+147
ebtables -t broute allows to redirect packets in a way that they get pushed up the stack, even if the interface is part of a bridge. In case of IP packets to non-local address, this means those IP packets are routed instead of bridged-forwarded, just as if the bridge would not have existed. Expected test output is: PASS: netns connectivity: ns1 and ns2 can reach each other PASS: ns1/ns2 connectivity with active broute rule PASS: ns1/ns2 connectivity with active broute rule and bridge forward drop Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-12bpf: explicitly prohibit ctx_{in, out} in non-skb BPF_PROG_TEST_RUNStanislav Fomichev1-0/+6
This should allow us later to extend BPF_PROG_TEST_RUN for non-skb case and be sure that nobody is erroneously setting ctx_{in,out}. Fixes: b0b9395d865e ("bpf: support input __sk_buff context in BPF_PROG_TEST_RUN") Reported-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11tools: add smp_* barrier variants to include infrastructureDaniel Borkmann2-2/+15
Add the definition for smp_rmb(), smp_wmb(), and smp_mb() to the tools include infrastructure: this patch adds the implementation for x86-64 and arm64, and have it fall back as currently is for other archs which do not have it implemented at this point. The x86-64 one uses lock + add combination for smp_mb() with address below red zone. This is on top of 09d62154f613 ("tools, perf: add and use optimized ring_buffer_{read_head, write_tail} helpers"), which didn't touch smp_* barrier implementations. Magnus recently rightfully reported however that the latter on x86-64 still wrongly falls back to sfence, lfence and mfence respectively, thus fix that for applications under tools making use of these to avoid such ugly surprises. The main header under tools (include/asm/barrier.h) will in that case not select the fallback implementation. Reported-by: Magnus Karlsson <magnus.karlsson@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-11ipv6: Refactor __ip6_route_redirectDavid Ahern1-23/+33
Move the nexthop evaluation of a fib entry to a helper that can be leveraged for each fib6_nh in a multipath nexthop object. In the move, 'continue' statements means the helper returns false (loop should continue) and 'break' means return true (found the entry of interest). Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Refactor rt6_device_matchDavid Ahern1-13/+25
Move the device and gateway checks in the fib6_next loop to a helper that can be called per fib6_nh entry. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Move fib6_multipath_select down in ip6_pol_routeDavid Ahern1-3/+3
Move the siblings and fib6_multipath_select after the null entry check since a null entry can not have siblings. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Be smarter with null_entry handling in ip6_pol_route_lookupDavid Ahern1-12/+13
Clean up the fib6_null_entry handling in ip6_pol_route_lookup. rt6_device_match can return fib6_null_entry, but fib6_multipath_select can not. Consolidate the fib6_null_entry handling and on the final null_entry check set rt and goto out - no need to defer to a second check after rt6_find_cached_rt. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Refactor find_rr_leafDavid Ahern1-36/+30
find_rr_leaf has 3 loops over fib_entries calling find_match. The loops are very similar with differences in start point and whether the metric is evaluated: 1. start at rr_head, no extra loop compare, check fib metric 2. start at leaf, compare rt against rr_head, check metric 3. start at cont (potential saved point from earlier loops), no extra loop compare, no metric check Create 1 loop that is called 3 different times. This will make a later change with multipath nexthop objects much simpler. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Refactor find_matchDavid Ahern1-18/+32
find_match primarily needs a fib6_nh (and fib6_flags which it passes through to rt6_score_route). Move fib6_check_expired up to the call sites so find_match is only called for relevant entries. Remove the match argument which is mostly a pass through and use the return boolean to decide if match gets set in the call sites. The end result is a helper that can be called per fib6_nh struct which is needed once fib entries reference nexthop objects that have more than one fib6_nh. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Pass fib6_nh and flags to rt6_score_routeDavid Ahern1-8/+10
rt6_score_route only needs the fib6_flags and nexthop data. Change it accordingly. Allows re-use later for nexthop based fib6_nh. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Change rt6_probe to take a fib6_nhDavid Ahern2-12/+12
rt6_probe sends probes for gateways in a nexthop. As such it really depends on a fib6_nh, not a fib entry. Move last_probe to fib6_nh and update rt6_probe to a fib6_nh struct. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Remove rt6_check_devDavid Ahern1-11/+4
rt6_check_dev is a simpler helper with only 1 caller. Fold the code into rt6_score_route. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11ipv6: Only call rt6_check_neigh for nexthop with gatewayDavid Ahern1-9/+7
Change rt6_check_neigh to take a fib6_nh instead of a fib entry. Move the check on fib_flags and whether the nexthop has a gateway up to the one caller. Remove the inline from the definition as well. Not necessary. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11dns: remove redundant zero length namelen checkColin Ian King1-2/+0
The zero namelen check is redundant as it has already been checked for zero at the start of the function. Remove the redundant check. Addresses-Coverity: ("Logically Dead Code") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11selftests_bpf: add L2 encap to test_tc_tunnelAlan Maguire3-59/+277
Update test_tc_tunnel to verify adding inner L2 header encapsulation (an MPLS label or ethernet header) works. Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11bpf: sync bpf.h to tools/ for BPF_F_ADJ_ROOM_ENCAP_L2Alan Maguire1-0/+10
Sync include/uapi/linux/bpf.h with tools/ equivalent to add BPF_F_ADJ_ROOM_ENCAP_L2(len) macro. Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11bpf: add layer 2 encap support to bpf_skb_adjust_roomAlan Maguire2-4/+18
commit 868d523535c2 ("bpf: add bpf_skb_adjust_room encap flags") introduced support to bpf_skb_adjust_room for GSO-friendly GRE and UDP encapsulation. For GSO to work for skbs, the inner headers (mac and network) need to be marked. For L3 encapsulation using bpf_skb_adjust_room, the mac and network headers are identical. Here we provide a way of specifying the inner mac header length for cases where L2 encap is desired. Such an approach can support encapsulated ethernet headers, MPLS headers etc. For example to convert from a packet of form [eth][ip][tcp] to [eth][ip][udp][inner mac][ip][tcp], something like the following could be done: headroom = sizeof(iph) + sizeof(struct udphdr) + inner_maclen; ret = bpf_skb_adjust_room(skb, headroom, BPF_ADJ_ROOM_MAC, BPF_F_ADJ_ROOM_ENCAP_L4_UDP | BPF_F_ADJ_ROOM_ENCAP_L3_IPV4 | BPF_F_ADJ_ROOM_ENCAP_L2(inner_maclen)); Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11selftests_bpf: extend test_tc_tunnel for UDP encapAlan Maguire3-48/+143
commit 868d523535c2 ("bpf: add bpf_skb_adjust_room encap flags") introduced support to bpf_skb_adjust_room for GSO-friendly GRE and UDP encapsulation and later introduced associated test_tc_tunnel tests. Here those tests are extended to cover UDP encapsulation also. Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11tipc: use standard write_lock & unlock functions when creating nodeJon Maloy1-2/+3
In the function tipc_node_create() we protect the peer capability field by using the node rw_lock. However, we access the lock directly instead of using the dedicated functions for this, as we do everywhere else in node.c. This cosmetic spot is fixed here. Fixes: 40999f11ce67 ("tipc: make link capability update thread safe") Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-11bpf: fix missing bpf_check_uarg_tail_zero in BPF_PROG_TEST_RUNStanislav Fomichev2-9/+29
Commit b0b9395d865e ("bpf: support input __sk_buff context in BPF_PROG_TEST_RUN") started using bpf_check_uarg_tail_zero in BPF_PROG_TEST_RUN. However, bpf_check_uarg_tail_zero is not defined for !CONFIG_BPF_SYSCALL: net/bpf/test_run.c: In function ‘bpf_ctx_init’: net/bpf/test_run.c:142:9: error: implicit declaration of function ‘bpf_check_uarg_tail_zero’ [-Werror=implicit-function-declaration] err = bpf_check_uarg_tail_zero(data_in, max_size, size); ^~~~~~~~~~~~~~~~~~~~~~~~ Let's not build net/bpf/test_run.c when CONFIG_BPF_SYSCALL is not set. Reported-by: kbuild test robot <lkp@intel.com> Fixes: b0b9395d865e ("bpf: support input __sk_buff context in BPF_PROG_TEST_RUN") Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11netfilter: nf_nat_masquerade: unify ipv4/6 notifier registrationFlorian Westphal4-95/+44
Only reason for having two different register functions was because of ipt_MASQUERADE and ip6t_MASQUERADE being two different modules. Previous patch merged those into xt_MASQUERADE, so we can merge this too. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-11netfilter: x_tables: merge ip and ipv6 masquerade modulesFlorian Westphal8-124/+87
No need to have separate modules for this. before: text data bss dec filename 2038 1168 0 3206 net/ipv4/netfilter/ipt_MASQUERADE.ko 1526 1024 0 2550 net/ipv6/netfilter/ip6t_MASQUERADE.ko after: text data bss dec filename 2521 1296 0 3817 net/netfilter/xt_MASQUERADE.ko Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-11netfilter: nf_nat: merge ip/ip6 masquerade headersFlorian Westphal6-20/+13
Both are now implemented by nf_nat_masquerade.c, so no need to keep different headers. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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