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2020-07-13mlxsw: spectrum_span: Add APIs to enable / disable global mirroring triggersIdo Schimmel2-0/+139
While the binding of global mirroring triggers to a SPAN agent is global, packets are only mirrored if they belong to a port and TC on which the trigger was enabled. This allows, for example, to mirror packets that were tail-dropped on a specific netdev. Implement the operations that allow to enable / disable a global mirroring trigger on a specific port and TC. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13mlxsw: spectrum_span: Add support for global mirroring triggersIdo Schimmel2-3/+104
Global mirroring triggers are triggers that are only keyed by their trigger, as opposed to per-port triggers, which are keyed by their trigger and port. Such triggers allow mirroring packets that were tail/early dropped or ECN marked to a SPAN agent. Implement the previously added trigger operations for these global triggers. Since such triggers are only supported from Spectrum-2 onwards, have the Spectrum-1 operations return an error. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13mlxsw: spectrum_span: Prepare for global mirroring triggersIdo Schimmel2-17/+103
Currently, a SPAN agent can only be bound to a per-port trigger where the trigger is either an incoming packet (INGRESS) or an outgoing packet (EGRESS) to / from the port. The subsequent patch will introduce the concept of global mirroring triggers. The binding / unbinding of global triggers is different than that of per-port triggers. Such triggers also need to be enabled / disabled on a per-{port, TC} basis and are only supported from Spectrum-2 onwards. Add trigger operations that allow us to abstract these differences. Only implement the operations for per-port triggers. Next patch will implement the operations for global triggers. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13mlxsw: spectrum_span: Move SPAN operations out of global fileIdo Schimmel4-51/+55
The per-ASIC SPAN operations are relevant to the SPAN module and therefore should be implemented there and not in the main driver file. Move them. These operations will be extended later on. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13mlxsw: reg: Add Monitoring Port Analyzer Global RegisterAmit Cohen1-0/+52
This register is used for global port analyzer configurations. Signed-off-by: Amit Cohen <amitc@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13mlxsw: reg: Add Monitoring Mirror Trigger Enable RegisterAmit Cohen1-0/+50
This register is used to configure the mirror enable for different mirror reasons. Signed-off-by: Amit Cohen <amitc@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: sched: Pass qdisc reference in struct flow_block_offloadPetr Machata9-32/+38
Previously, shared blocks were only relevant for the pseudo-qdiscs ingress and clsact. Recently, a qevent facility was introduced, which allows to bind blocks to well-defined slots of a qdisc instance. RED in particular got two qevents: early_drop and mark. Drivers that wish to offload these blocks will be sent the usual notification, and need to know which qdisc it is related to. To that end, extend flow_block_offload with a "sch" pointer, and initialize as appropriate. This prompts changes in the indirect block facility, which now tracks the scheduler in addition to the netdevice. Update signatures of several functions similarly. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: x25: kerneldoc fixesAndrew Lunn2-2/+2
Simple fixes which require no deep knowledge of the code. Cc: Andrew Hendry <andrew.hendry@gmail.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: wireless: kerneldoc fixesAndrew Lunn2-2/+3
Simple fixes which require no deep knowledge of the code. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: tipc: kerneldoc fixesAndrew Lunn7-16/+13
Simple fixes which require no deep knowledge of the code. Cc: Jon Maloy <jmaloy@redhat.com> Cc: Ying Xue <ying.xue@windriver.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Jon Maloy <jmaloy@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: switchdev: kerneldoc fixesAndrew Lunn1-2/+1
Simple fixes which require no deep knowledge of the code. Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: socket: Move kerneldoc next to function it documentsAndrew Lunn1-9/+8
Fix the warning "Function parameter or member 'inode' not described in '__sock_release'' due to the kerneldoc being placed before __sock_release() not sock_release(), which does not take an inode parameter. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: sched: kerneldoc fixesAndrew Lunn2-2/+2
Simple fixes which require no deep knowledge of the code. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: rxrpc: kerneldoc fixesAndrew Lunn1-1/+1
Simple fixes which require no deep knowledge of the code. Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: openvswitch: kerneldoc fixesAndrew Lunn2-4/+5
Simple fixes which require no deep knowledge of the code. Cc: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: nfc: kerneldoc fixesAndrew Lunn2-4/+3
Simple fixes which require no deep knowledge of the code. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: netlabel: kerneldoc fixesAndrew Lunn1-1/+1
Simple fixes which require no deep knowledge of the code. Cc: Paul Moore <paul@paul-moore.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: netfilter: kerneldoc fixesAndrew Lunn3-9/+9
Simple fixes which require no deep knowledge of the code. Cc: Pablo Neira Ayuso <pablo@netfilter.org> Cc: Jozsef Kadlecsik <kadlec@netfilter.org> Cc: Florian Westphal <fw@strlen.de> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: mac80211: kerneldoc fixesAndrew Lunn1-3/+1
Simple fixes which require no deep knowledge of the code. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: llc: kerneldoc fixesAndrew Lunn5-5/+9
Simple fixes which require no deep knowledge of the code. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: ipv6: kerneldoc fixesAndrew Lunn4-7/+13
Simple fixes which require no deep knowledge of the code. Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: ipv4: kerneldoc fixesAndrew Lunn6-7/+13
Simple fixes which require no deep knowledge of the code. Cc: Paul Moore <paul@paul-moore.com> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: decnet: kerneldoc fixesAndrew Lunn1-0/+2
Simple fixes which require no deep knowledge of the code. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: dccp: kerneldoc fixesAndrew Lunn6-0/+17
Simple fixes which require no deep knowledge of the code. Cc: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: core: kerneldoc fixesAndrew Lunn1-0/+1
Simple fixes which require no deep knowledge of the code. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: can: kerneldoc fixesAndrew Lunn1-0/+2
Simple fixes which require no deep knowledge of the code. Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: 9p: kerneldoc fixesAndrew Lunn2-4/+5
Simple fixes which require no deep knowledge of the code. Cc: Eric Van Hensbergen <ericvh@gmail.com> Cc: Latchesar Ionkov <lucho@ionkov.net> Cc: Dominique Martinet <asmadeus@codewreck.org> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: ipa: fix kerneldoc commentsAlex Elder16-39/+64
This commit affects comments (and in one case, whitespace) only. Throughout the IPA code, return statements are documented using "@Return:", whereas they should use "Return:" instead. Fix these mistakes. In function definitions, some parameters are missing their comment to describe them. And in structure definitions, some fields are missing their comment to describe them. Add these missing descriptions. Some arguments changed name and type along the way, but their descriptions were not updated (an endpoint pointer is now used in many places that previously used an endpoint ID). Fix these incorrect parameter descriptions. In the description for the ipa_clock structure, one field had a semicolon instead of a colon in its description. Fix this. Add a missing function description for ipa_gsi_endpoint_data_empty(). All of these issues were identified when building with "W=1". Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13atm: Replace HTTP links with HTTPS onesAlexander A. Klimov2-2/+2
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13WAN: Replace HTTP links with HTTPS onesAlexander A. Klimov4-4/+4
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13AX.25 Kconfig: Replace HTTP links with HTTPS onesAlexander A. Klimov1-5/+5
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13dccp: Replace HTTP links with HTTPS onesAlexander A. Klimov6-7/+7
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: fddi: skfp: Remove addr_to_string().Tetsuo Handa3-44/+27
kbuild test robot found that addr_to_string() is available only when DEBUG is defined. And I found that what that function is doing is what %pM will do. Thus, replace %s with %pM and remove thread-unsafe addr_to_string() function. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-13net: bridge: fix undefined br_vlan_can_enter_range in tunnel codeNikolay Aleksandrov1-0/+6
If bridge vlan filtering is not defined we won't have br_vlan_can_enter_range and thus will get a compile error as was reported by Stephen and the build bot. So let's define a stub for when vlan filtering is not used. Fixes: 94339443686b ("net: bridge: notify on vlan tunnel changes done via the old api") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-12net: sky2: switch from 'pci_' to 'dma_' APIChristophe JAILLET1-42/+45
The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below and has been hand modified to replace GPF_ with a correct flag. It has been compile tested. When memory is allocated in 'sky2_alloc_buffers()', GFP_KERNEL can be used because some other memory allocations in the same function already use this flag. When memory is allocated in 'sky2_probe()', GFP_KERNEL can be used because another memory allocations in the same function already uses this flag. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-12net: skge: switch from 'pci_' to 'dma_' APIChristophe JAILLET1-40/+36
The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below and has been hand modified to replace GPF_ with a correct flag. It has been compile tested. When memory is allocated in 'skge_up()', GFP_KERNEL can be used because some other memory allocations done a few lines below in 'skge_ring_alloc()' already use this flag. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-12net: fec: Set max MTU size to allow the MTU to be changedAndrew Lunn1-0/+2
The FEC allocates 2K buffers, but looses some of it due to alignment. It can however support an MTU bigger than the default. This is particularly interesting when used in combination with Ethernet switches supporting DSA, which have extra headers. The DSA core will try to increase the MTU to support these extra headers. If the max size defaults to that of standard Ethernet we get a warning. By setting the max to what the driver actually supports, we avoid this warning. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-12net: dsa: mv88e6xxx: Implement MTU changeAndrew Lunn1-0/+27
The Marvell Switches support jumbo packages. So implement the callbacks needed for changing the MTU. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-12net: bridge: notify on vlan tunnel changes done via the old apiNikolay Aleksandrov1-2/+47
If someone uses the old vlan API to configure tunnel mappings we'll only generate the old-style full port notification. That would be a problem if we are monitoring the new vlan notifications for changes. The patch resolves the issue by adding vlan notifications to the old tunnel netlink code. As usual we try to compress the notifications for as many vlans in a range as possible, thus a vlan tunnel change is considered able to enter the "current" vlan notification range if: 1. vlan exists 2. it has actually changed (curr_change == true) 3. it passes all standard vlan notification range checks done by br_vlan_can_enter_range() such as option equality, id continuity etc Note that vlan tunnel changes (add/del) are considered a part of vlan options so only RTM_NEWVLAN notification is generated with the relevant information inside. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10mips: Remove compiler check in unroll macroNathan Chancellor1-3/+1
CONFIG_CC_IS_GCC is undefined when Clang is used, which breaks the build (see our Travis link below). Clang 8 was chosen as a minimum version for this check because there were some improvements around __builtin_constant_p in that release. In reality, MIPS was not even buildable until clang 9 so that check was not technically necessary. Just remove all compiler checks and just assume that we have a working compiler. Fixes: d4e60453266b ("Restore gcc check in mips asm/unroll.h") Link: https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/359642821 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-10inet: Remove an unnecessary argument of syn_ack_recalc().Kuniyuki Iwashima1-20/+13
Commit 0c3d79bce48034018e840468ac5a642894a521a3 ("tcp: reduce SYN-ACK retrans for TCP_DEFER_ACCEPT") introduces syn_ack_recalc() which decides if a minisock is held and a SYN+ACK is retransmitted or not. If rskq_defer_accept is not zero in syn_ack_recalc(), max_retries always has the same value because max_retries is overwritten by rskq_defer_accept in reqsk_timer_handler(). This commit adds three changes: - remove redundant non-zero check for rskq_defer_accept in reqsk_timer_handler(). - remove max_retries from the arguments of syn_ack_recalc() and use rskq_defer_accept instead. - rename thresh to max_syn_ack_retries for readability. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp> Reviewed-by: Benjamin Herrenschmidt <benh@amazon.com> CC: Julian Anastasov <ja@ssi.bg> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10mlxsw: pci: Fix use-after-free in case of failed devlink reloadIdo Schimmel1-16/+38
In case devlink reload failed, it is possible to trigger a use-after-free when querying the kernel for device info via 'devlink dev info' [1]. This happens because as part of the reload error path the PCI command interface is de-initialized and its mailboxes are freed. When the devlink '->info_get()' callback is invoked the device is queried via the command interface and the freed mailboxes are accessed. Fix this by initializing the command interface once during probe and not during every reload. This is consistent with the other bus used by mlxsw (i.e., 'mlxsw_i2c') and also allows user space to query the running firmware version (for example) from the device after a failed reload. [1] BUG: KASAN: use-after-free in memcpy include/linux/string.h:406 [inline] BUG: KASAN: use-after-free in mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675 Write of size 4096 at addr ffff88810ae32000 by task syz-executor.1/2355 CPU: 1 PID: 2355 Comm: syz-executor.1 Not tainted 5.8.0-rc2+ #29 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xf6/0x16e lib/dump_stack.c:118 print_address_description.constprop.0+0x1c/0x250 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530 check_memory_region_inline mm/kasan/generic.c:186 [inline] check_memory_region+0x14e/0x1b0 mm/kasan/generic.c:192 memcpy+0x39/0x60 mm/kasan/common.c:106 memcpy include/linux/string.h:406 [inline] mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675 mlxsw_cmd_exec+0x249/0x550 drivers/net/ethernet/mellanox/mlxsw/core.c:2335 mlxsw_cmd_access_reg drivers/net/ethernet/mellanox/mlxsw/cmd.h:859 [inline] mlxsw_core_reg_access_cmd drivers/net/ethernet/mellanox/mlxsw/core.c:1938 [inline] mlxsw_core_reg_access+0x2f6/0x540 drivers/net/ethernet/mellanox/mlxsw/core.c:1985 mlxsw_reg_query drivers/net/ethernet/mellanox/mlxsw/core.c:2000 [inline] mlxsw_devlink_info_get+0x17f/0x6e0 drivers/net/ethernet/mellanox/mlxsw/core.c:1090 devlink_nl_info_fill.constprop.0+0x13c/0x2d0 net/core/devlink.c:4588 devlink_nl_cmd_info_get_dumpit+0x246/0x460 net/core/devlink.c:4648 genl_lock_dumpit+0x85/0xc0 net/netlink/genetlink.c:575 netlink_dump+0x515/0xe50 net/netlink/af_netlink.c:2245 __netlink_dump_start+0x53d/0x830 net/netlink/af_netlink.c:2353 genl_family_rcv_msg_dumpit.isra.0+0x296/0x300 net/netlink/genetlink.c:638 genl_family_rcv_msg net/netlink/genetlink.c:733 [inline] genl_rcv_msg+0x78d/0x9d0 net/netlink/genetlink.c:753 netlink_rcv_skb+0x152/0x440 net/netlink/af_netlink.c:2469 genl_rcv+0x24/0x40 net/netlink/genetlink.c:764 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x53a/0x750 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x850/0xd90 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0x150/0x190 net/socket.c:672 ____sys_sendmsg+0x6d8/0x840 net/socket.c:2363 ___sys_sendmsg+0xff/0x170 net/socket.c:2417 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2450 do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: a9c8336f6544 ("mlxsw: core: Add support for devlink info command") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10mlxsw: spectrum_router: Remove inappropriate usage of WARN_ON()Ido Schimmel1-1/+1
We should not trigger a warning when a memory allocation fails. Remove the WARN_ON(). The warning is constantly triggered by syzkaller when it is injecting faults: [ 2230.758664] FAULT_INJECTION: forcing a failure. [ 2230.758664] name failslab, interval 1, probability 0, space 0, times 0 [ 2230.762329] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28 ... [ 2230.898175] WARNING: CPU: 3 PID: 1407 at drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:6265 mlxsw_sp_router_fib_event+0xfad/0x13e0 [ 2230.898179] Kernel panic - not syncing: panic_on_warn set ... [ 2230.898183] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28 [ 2230.898190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 Fixes: 3057224e014c ("mlxsw: spectrum_router: Implement FIB offload in deferred work") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10net/mlx5e: Move devlink-health rx and tx reporters to devlink portVladyslav Tarasiuk2-15/+7
Utilize new devlink-health port reporters API to move rx and tx reporters from device to port. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10net/mlx5e: Move devlink port register and unregister callsVladyslav Tarasiuk1-10/+5
Register devlink ports upon NIC init. TX and RX health reporters handle errors which may occur early on at driver initialization. And because these reporters are to be moved to port context, they require devlink ports to be already registered. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10devlink: Add devlink health port reporters APIVladyslav Tarasiuk2-0/+59
In order to use new devlink port health reporters infrastructure, add corresponding constructor and destructor functions. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10devlink: Implement devlink health reporters on per-port basisVladyslav Tarasiuk2-17/+79
Add devlink-health reporter support on per-port basis. The main difference existing devlink-health is that port reporters are stored in per-devlink_port lists. Upon creation of such health reporter the reference to a port it belongs to is stored in reporter struct. Fill the port index attribute in devlink-health response to allow devlink userspace utility to distinguish between device and port reporters. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10devlink: Create generic devlink health reporter search functionVladyslav Tarasiuk1-4/+14
Add a generic __devlink_health_reporter_find_by_name() that can be used with arbitrary devlink health reporter list. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10devlink: Rework devlink health reporter destructorVladyslav Tarasiuk1-13/+24
Devlink keeps its own reference to every reporter in a list and inits refcount to 1 upon reporter's creation. Existing destructor waits to free the memory indefinitely using msleep() until all references except devlink's own are put. Rework this mechanism by moving memory free routine to a separate function, which is called when the last reporter reference is put. Besides, it allows to call __devlink_health_reporter_destroy() while locked on a reporters list mutex in symmetry to __devlink_health_reporter_create(), which is required in follow-up patch. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10devlink: Refactor devlink health reporter constructorVladyslav Tarasiuk1-17/+28
Prepare a common routine in devlink_health_reporter_create() for usage in similar functions for devlink port health reporters. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com> Reviewed-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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