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2021-03-28ip6_tunnel:: Correct function name parse_tvl_tnl_enc_lim() in the kerneldoc ↵Xiongfeng Wang
comments Fix the following W=1 kernel build warning(s): net/ipv6/ip6_tunnel.c:401: warning: expecting prototype for parse_tvl_tnl_enc_lim(). Prototype was for ip6_tnl_parse_tlv_enc_lim() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28net: 9p: Correct function names in the kerneldoc commentsXiongfeng Wang
Fix the following W=1 kernel build warning(s): net/9p/client.c:133: warning: expecting prototype for parse_options(). Prototype was for parse_opts() instead net/9p/client.c:269: warning: expecting prototype for p9_req_alloc(). Prototype was for p9_tag_alloc() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-289p/trans_fd: Correct function name p9_mux_destroy() in the kerneldocXiongfeng Wang
Fix the following W=1 kernel build warning(s): net/9p/trans_fd.c:881: warning: expecting prototype for p9_mux_destroy(). Prototype was for p9_conn_destroy() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28net: 9p: Correct function name errstr2errno() in the kerneldoc commentsXiongfeng Wang
Fix the following W=1 kernel build warning(s): net/9p/error.c:207: warning: expecting prototype for errstr2errno(). Prototype was for p9_errstr2errno() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28net: core: Correct function name netevent_unregister_notifier() in the kerneldocXiongfeng Wang
Fix the following W=1 kernel build warning(s): net/core/netevent.c:45: warning: expecting prototype for netevent_unregister_notifier(). Prototype was for unregister_netevent_notifier() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28net: core: Correct function name dev_uc_flush() in the kerneldocXiongfeng Wang
Fix the following W=1 kernel build warning(s): net/core/dev_addr_lists.c:732: warning: expecting prototype for dev_uc_flush(). Prototype was for dev_uc_init() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28netlabel: Correct function name netlbl_mgmt_add() in the kerneldoc commentsXiongfeng Wang
Fix the following W=1 kernel build warning(s): net/netlabel/netlabel_mgmt.c:78: warning: expecting prototype for netlbl_mgmt_add(). Prototype was for netlbl_mgmt_add_common() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28l3mdev: Correct function names in the kerneldoc commentsXiongfeng Wang
Fix the following W=1 kernel build warning(s): net/l3mdev/l3mdev.c:111: warning: expecting prototype for l3mdev_master_ifindex(). Prototype was for l3mdev_master_ifindex_rcu() instead net/l3mdev/l3mdev.c:145: warning: expecting prototype for l3mdev_master_upper_ifindex_by_index(). Prototype was for l3mdev_master_upper_ifindex_by_index_rcu() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28nexthop: Rename artifacts related to legacy multipath nexthop groupsPetr Machata
After resilient next-hop groups have been added recently, there are two types of multipath next-hop groups: the legacy "mpath", and the new "resilient". Calling the legacy next-hop group type "mpath" is unfortunate, because that describes the fact that a packet could be forwarded in one of several paths, which is also true for the resilient next-hop groups. Therefore, to make the naming clearer, rename various artifacts to reflect the assumptions made. Therefore as of this patch: - The flag for multipath groups is nh_grp_entry::is_multipath. This includes the legacy and resilient groups, as well as any future group types that behave as multipath groups. Functions that assume this have "mpath" in the name. - The flag for legacy multipath groups is nh_grp_entry::hash_threshold. Functions that assume this have "hthr" in the name. - The flag for resilient groups is nh_grp_entry::resilient. Functions that assume this have "res" in the name. Besides the above, struct nh_grp_entry::mpath was renamed to ::hthr as well. UAPI artifacts were obviously left intact. Suggested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28net: vsock: Fix a typoLu Wei
Modify "occured" to "occurred" in net/vmw_vsock/af_vsock.c. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28net: sctp: Fix some typosLu Wei
Modify "unkown" to "unknown" in net/sctp/sm_make_chunk.c and Modify "orginal" to "original" in net/sctp/socket.c. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28net: rds: Fix a typoLu Wei
Modify "beween" to "between" in net/rds/send.c. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28xfrm_user.c: Added a punctuationBhaskar Chowdhury
s/wouldnt/wouldn\'t/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28xfrm_policy.c : Mundane typo fixBhaskar Chowdhury
s/sucessful/successful/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28sm_statefuns.c: Mundane spello fixesBhaskar Chowdhury
s/simulataneous/simultaneous/ ....in three dirrent places. s/tempory/temporary/ s/interpeter/interpreter/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28reg.c: Fix a spelloBhaskar Chowdhury
s/ingoring/ignoring/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28node.c: A typo fixBhaskar Chowdhury
s/synching/syncing/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28netfilter: nf_conntrack_acct.c: A typo fixBhaskar Chowdhury
s/Accouting/Accounting/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28netfilter: ipvs: A spello fixBhaskar Chowdhury
s/registerd/registered/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Reviewed-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28ncsi: internal.h: Fix a spelloBhaskar Chowdhury
s/Firware/Firmware/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28mptcp: subflow.c: Fix a typoBhaskar Chowdhury
s/concerened/concerned/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28mac80211: cfg.c: A typo fixBhaskar Chowdhury
s/assocaited/associated/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28llc: llc_core.c: COuple of typo fixesBhaskar Chowdhury
s/searchs/searches/ ....two different places. Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28kcm: kcmsock.c: Couple of typo fixesBhaskar Chowdhury
s/synchonization/synchronization/ s/aready/already/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28iucv: af_iucv.c: Couple of typo fixesBhaskar Chowdhury
s/unitialized/uninitialized/ s/notifcations/notifications/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28ipv6: route.c: A spello fixBhaskar Chowdhury
s/notfication/notification/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28ipv6: addrconf.c: Fix a typoBhaskar Chowdhury
s/Identifers/Identifiers/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28ipv4: tcp_lp.c: Couple of typo fixesBhaskar Chowdhury
s/resrved/reserved/ s/within/within/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28ipv4: ip_output.c: Couple of typo fixesBhaskar Chowdhury
s/readibility/readability/ s/insufficent/insufficient/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28bearer.h: Spellos fixedBhaskar Chowdhury
s/initalized/initialized/ ...three different places Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28af_x25.c: Fix a spelloBhaskar Chowdhury
s/facilties/facilities/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28bpf: tcp: Remove comma which is causing build errorAtul Gopinathan
Currently, building the bpf-next source with the CONFIG_BPF_SYSCALL enabled is causing a compilation error: "net/ipv4/bpf_tcp_ca.c:209:28: error: expected identifier or '(' before ',' token" Fix this by removing an unnecessary comma. Fixes: e78aea8b2170 ("bpf: tcp: Put some tcp cong functions in allowlist for bpf-tcp-cc") Reported-by: syzbot+0b74d8ec3bf0cc4e4209@syzkaller.appspotmail.com Signed-off-by: Atul Gopinathan <atulgopinathan@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210328120515.113895-1-atulgopinathan@gmail.com
2021-03-26bpf: selftests: Add kfunc_call testMartin KaFai Lau
This patch adds a few kernel function bpf_kfunc_call_test*() for the selftest's test_run purpose. They will be allowed for tc_cls prog. The selftest calling the kernel function bpf_kfunc_call_test*() is also added in this patch. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210325015252.1551395-1-kafai@fb.com
2021-03-26bpf: tcp: Put some tcp cong functions in allowlist for bpf-tcp-ccMartin KaFai Lau
This patch puts some tcp cong helper functions, tcp_slow_start() and tcp_cong_avoid_ai(), into the allowlist for the bpf-tcp-cc program. A few tcp cc implementation functions are also put into the allowlist. A potential use case is the bpf-tcp-cc implementation may only want to override a subset of a tcp_congestion_ops. For others, the bpf-tcp-cc can directly call the kernel counter parts instead of re-implementing (or copy-and-pasting) them to the bpf program. They will only be available to the bpf-tcp-cc typed program. The allowlist functions are not bounded to a fixed ABI contract. When any of them has changed, the bpf-tcp-cc program has to be changed like any in-tree/out-of-tree kernel tcp-cc implementations do also. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210325015201.1546345-1-kafai@fb.com
2021-03-26tcp: Rename bictcp function prefix to cubictcpMartin KaFai Lau
The cubic functions in tcp_cubic.c are using the bictcp prefix as in tcp_bic.c. This patch gives it the proper name cubictcp because the later patch will allow the bpf prog to directly call the cubictcp implementation. Renaming them will avoid the name collision when trying to find the intended one to call during bpf prog load time. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210325015155.1545532-1-kafai@fb.com
2021-03-26net: llc: Correct function name llc_pdu_set_pf_bit() in headerYang Yingliang
Fix the following make W=1 kernel build warning: net/llc/llc_pdu.c:36: warning: expecting prototype for pdu_set_pf_bit(). Prototype was for llc_pdu_set_pf_bit() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26net: llc: Correct function name llc_sap_action_unitdata_ind() in headerYang Yingliang
Fix the following make W=1 kernel build warning: net/llc/llc_s_ac.c:38: warning: expecting prototype for llc_sap_action_unit_data_ind(). Prototype was for llc_sap_action_unitdata_ind() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26net: llc: Correct some function names in headerYang Yingliang
Fix the following make W=1 kernel build warning: net/llc/llc_c_ev.c:622: warning: expecting prototype for conn_ev_qlfy_last_frame_eq_1(). Prototype was for llc_conn_ev_qlfy_last_frame_eq_1() instead net/llc/llc_c_ev.c:636: warning: expecting prototype for conn_ev_qlfy_last_frame_eq_0(). Prototype was for llc_conn_ev_qlfy_last_frame_eq_0() instead Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26tipc: fix kernel-doc warningsHoang Le
Fix kernel-doc warning introduced in commit b83e214b2e04 ("tipc: add extack messages for bearer/media failure"): net/tipc/bearer.c:248: warning: Function parameter or member 'extack' not described in 'tipc_enable_bearer' Fixes: b83e214b2e04 ("tipc: add extack messages for bearer/media failure") Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mld: add mc_lock for protecting per-interface mld dataTaehee Yoo
The purpose of this lock is to avoid a bottleneck in the query/report event handler logic. By previous patches, almost all mld data is protected by RTNL. So, the query and report event handler, which is data path logic acquires RTNL too. Therefore if a lot of query and report events are received, it uses RTNL for a long time. So it makes the control-plane bottleneck because of using RTNL. In order to avoid this bottleneck, mc_lock is added. mc_lock protect only per-interface mld data and per-interface mld data is used in the query/report event handler logic. So, no longer rtnl_lock is needed in the query/report event handler logic. Therefore bottleneck will be disappeared by mc_lock. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mld: add new workqueues for process mld eventsTaehee Yoo
When query/report packets are received, mld module processes them. But they are processed under BH context so it couldn't use sleepable functions. So, in order to switch context, the two workqueues are added which processes query and report event. In the struct inet6_dev, mc_{query | report}_queue are added so it is per-interface queue. And mc_{query | report}_work are workqueue structure. When the query or report event is received, skb is queued to proper queue and worker function is scheduled immediately. Workqueues and queues are protected by spinlock, which is mc_{query | report}_lock, and worker functions are protected by RTNL. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mld: convert ifmcaddr6 to RCUTaehee Yoo
The ifmcaddr6 has been protected by inet6_dev->lock(rwlock) so that the critical section is atomic context. In order to switch this context, changing locking is needed. The ifmcaddr6 actually already protected by RTNL So if it's converted to use RCU, its control path context can be switched to sleepable. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mld: convert ip6_sf_list to RCUTaehee Yoo
The ip6_sf_list has been protected by mca_lock(spin_lock) so that the critical section is atomic context. In order to switch this context, changing locking is needed. The ip6_sf_list actually already protected by RTNL So if it's converted to use RCU, its control path context can be switched to sleepable. But It doesn't remove mca_lock yet because ifmcaddr6 isn't converted to RCU yet. So, It's not fully converted to the sleepable context. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mld: convert ipv6_mc_socklist->sflist to RCUTaehee Yoo
The sflist has been protected by rwlock so that the critical section is atomic context. In order to switch this context, changing locking is needed. The sflist actually already protected by RTNL So if it's converted to use RCU, its control path context can be switched to sleepable. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mld: get rid of inet6_dev->mc_lockTaehee Yoo
The purpose of mc_lock is to protect inet6_dev->mc_tomb. But mc_tomb is already protected by RTNL and all functions, which manipulate mc_tomb are called under RTNL. So, mc_lock is not needed. Furthermore, it is spinlock so the critical section is atomic. In order to reduce atomic context, it should be removed. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mld: convert from timer to delayed workTaehee Yoo
mcast.c has several timers for delaying works. Timer's expire handler is working under atomic context so it can't use sleepable things such as GFP_KERNEL, mutex, etc. In order to use sleepable APIs, it converts from timers to delayed work. But there are some critical sections, which is used by both process and BH context. So that it still uses spin_lock_bh() and rwlock. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26ethtool: fec: fix FEC_NONE checkJakub Kicinski
Dan points out we need to use the mask not the bit (which is 0). Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 42ce127d9864 ("ethtool: fec: sanitize ethtool_fecparam->fec") Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mptcp: rename mptcp_pm_nl_add_addr_send_ackGeliang Tang
Since mptcp_pm_nl_add_addr_send_ack is now used for both ADD_ADDR and RM_ADDR cases, rename it to mptcp_pm_nl_addr_send_ack. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mptcp: send ack for rm_addrGeliang Tang
This patch changes the sending ACK conditions for the ADD_ADDR, send an ACK packet for RM_ADDR too. In mptcp_pm_remove_addr, invoke mptcp_pm_nl_add_addr_send_ack to send the ACK packet. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-26mptcp: drop useless addr_signal clearGeliang Tang
msk->pm.addr_signal is cleared in mptcp_pm_add_addr_signal, no need to clear it in mptcp_pm_nl_add_addr_send_ack again. Drop it. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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