- 12 5月, 2017 1 次提交
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由 Daniel Borkmann 提交于
After commit b5cdae32 ("net: Generic XDP") we automatically fall back to a generic XDP variant if the driver does not support native XDP. Allow for an option where the user can specify that always the native XDP variant should be selected and in case it's not supported by a driver, just bail out. Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 04 5月, 2017 1 次提交
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由 Michal Schmidt 提交于
IFLA_PHYS_PORT_NAME is a string attribute, so terminate it with \0. Otherwise libnl3 fails to validate netlink messages with this attribute. "ip -detail a" assumes too that the attribute is NUL-terminated when printing it. It often was, due to padding. I noticed this as libvirtd failing to start on a system with sfc driver after upgrading it to Linux 4.11, i.e. when sfc added support for phys_port_name. Signed-off-by: NMichal Schmidt <mschmidt@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 01 5月, 2017 1 次提交
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由 Jakub Kicinski 提交于
Drivers usually have a number of restrictions for running XDP - most common being buffer sizes, LRO and number of rings. Even though some drivers try to be helpful and print error messages experience shows that users don't often consult kernel logs on netlink errors. Try to use the new extended ack mechanism to carry the message back to user space. Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 26 4月, 2017 1 次提交
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由 David S. Miller 提交于
This provides a generic SKB based non-optimized XDP path which is used if either the driver lacks a specific XDP implementation, or the user requests it via a new IFLA_XDP_FLAGS value named XDP_FLAGS_SKB_MODE. It is arguable that perhaps I should have required something like this as part of the initial XDP feature merge. I believe this is critical for two reasons: 1) Accessibility. More people can play with XDP with less dependencies. Yes I know we have XDP support in virtio_net, but that just creates another depedency for learning how to use this facility. I wrote this to make life easier for the XDP newbies. 2) As a model for what the expected semantics are. If there is a pure generic core implementation, it serves as a semantic example for driver folks adding XDP support. One thing I have not tried to address here is the issue of XDP_PACKET_HEADROOM, thanks to Daniel for spotting that. It seems incredibly expensive to do a skb_cow(skb, XDP_PACKET_HEADROOM) or whatever even if the XDP program doesn't try to push headers at all. I think we really need the verifier to somehow propagate whether certain XDP helpers are used or not. v5: - Handle both negative and positive offset after running prog - Fix mac length in XDP_TX case (Alexei) - Use rcu_dereference_protected() in free_netdev (kbuild test robot) v4: - Fix MAC header adjustmnet before calling prog (David Ahern) - Disable LRO when generic XDP is installed (Michael Chan) - Bypass qdisc et al. on XDP_TX and record the event (Alexei) - Do not perform generic XDP on reinjected packets (DaveM) v3: - Make sure XDP program sees packet at MAC header, push back MAC header if we do XDP_TX. (Alexei) - Elide GRO when generic XDP is in use. (Alexei) - Add XDP_FLAG_SKB_MODE flag which the user can use to request generic XDP even if the driver has an XDP implementation. (Alexei) - Report whether SKB mode is in use in rtnl_xdp_fill() via XDP_FLAGS attribute. (Daniel) v2: - Add some "fall through" comments in switch statements based upon feedback from Andrew Lunn - Use RCU for generic xdp_prog, thanks to Johannes Berg. Tested-by: NAndy Gospodarek <andy@greyhouse.net> Tested-by: NJesper Dangaard Brouer <brouer@redhat.com> Tested-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 18 4月, 2017 1 次提交
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由 David Ahern 提交于
Add netlink_ext_ack arg to rtnl_doit_func. Pass extack arg to nlmsg_parse for doit functions that call it directly. This is the first step to using extended error reporting in rtnetlink. >From here individual subsystems can be updated to set netlink_ext_ack as needed. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 14 4月, 2017 10 次提交
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由 Johannes Berg 提交于
Pass the new extended ACK reporting struct to all of the generic netlink parsing functions. For now, pass NULL in almost all callers (except for some in the core.) Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Johannes Berg 提交于
Add the base infrastructure and UAPI for netlink extended ACK reporting. All "manual" calls to netlink_ack() pass NULL for now and thus don't get extended ACK reporting. Big thanks goes to Pablo Neira Ayuso for not only bringing up the whole topic at netconf (again) but also coming up with the nlattr passing trick and various other ideas. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Reviewed-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
Changing tx queue length generates identical messages: [LINK]22: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether 02:04:f4:b7:5c:d2 brd ff:ff:ff:ff:ff:ff promiscuity 0 dummy numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 [LINK]22: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether 02:04:f4:b7:5c:d2 brd ff:ff:ff:ff:ff:ff promiscuity 0 dummy numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535 Remove NETDEV_CHANGE_TX_QUEUE_LEN from the list of notifiers that generate notifications. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
NETDEV_CHANGEUPPER is an internal event; do not generate userspace notifications. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
CHANGELOWERSTATE is an internal event; do not generate userspace notifications. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
PRECHANGEUPPER is an internal event; do not generate userspace notifications. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
Changing the master device for a link generates many messages; the one generated for POST_TYPE_CHANGE is redundant: [LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master br1 state UNKNOWN group default link/ether 02:02:02:02:02:03 brd ff:ff:ff:ff:ff:ff [LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master br1 state UNKNOWN group default link/ether 02:02:02:02:02:03 brd ff:ff:ff:ff:ff:ff Remove POST_TYPE_CHANGE from the list of notifiers that generate notifications. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
Changing hardware address generates redundant messages: [LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether 02:02:02:02:02:02 brd ff:ff:ff:ff:ff:ff [LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether 02:02:02:02:02:02 brd ff:ff:ff:ff:ff:ff Do not send a notification for the CHANGEADDR notifier. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
NETDEV_UDP_TUNNEL_PUSH_INFO is an internal notifier; nothing userspace can do so don't generate a netlink notification. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
Changing MTU on a link currently causes 3 messages to be sent to userspace: [LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1490 qdisc noqueue state UNKNOWN group default link/ether f2:52:5c:6d:21:f3 brd ff:ff:ff:ff:ff:ff [LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether f2:52:5c:6d:21:f3 brd ff:ff:ff:ff:ff:ff [LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default link/ether f2:52:5c:6d:21:f3 brd ff:ff:ff:ff:ff:ff Remove the messages sent for PRE_CHANGE_MTU and CHANGE_MTU netdev events. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 4月, 2017 1 次提交
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由 David S. Miller 提交于
This reverts commit def12888. As per discussion between Roopa Prabhu and David Ahern, it is advisable that we instead have the code collect the setlink triggered events into a bitmask emitted in the IFLA_EVENT netlink attribute. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 05 4月, 2017 2 次提交
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由 Vlad Yasevich 提交于
When netdev events happen, a rtnetlink_event() handler will send messages for every event in it's white list. These messages contain current information about a particular device, but they do not include the iformation about which event just happened. The consumer of the message has to try to infer this information. In some cases (ex: NETDEV_NOTIFY_PEERS), that is not possible. This patch adds a new extension to RTM_NEWLINK message called IFLA_EVENT that would have an encoding of the which event triggered this message. This would allow the the message consumer to easily determine if it is interested in a particular event or not. Signed-off-by: NVladislav Yasevich <vyasevic@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Vlad Yasevich 提交于
The rtnetlink_event currently functions as a blacklist where we block cerntain netdev events from being sent to user space. As a result, events have been added to the system that userspace probably doesn't care about. This patch converts the implementation to the white list so that newly events would have to be specifically added to the list to be sent to userspace. This would force new event implementers to consider whether a given event is usefull to user space or if it's just a kernel event. Signed-off-by: NVladislav Yasevich <vyasevic@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 23 3月, 2017 1 次提交
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由 David Ahern 提交于
Use the rtnl_dump_all to dump all netconf handlers that have been registered. Allows userspace to send a dump request for PF_UNSPEC and get all families. Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 2月, 2017 1 次提交
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由 Tobias Klauser 提交于
There is only one possible error path which reaches the err label, so return ERR_PTR(-ENOMEM) directly if alloc_netdev_mqs() fails. This also allows to omit the err variable. Signed-off-by: NTobias Klauser <tklauser@distanz.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 18 2月, 2017 1 次提交
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由 Daniel Borkmann 提交于
When allocating rtnl dump messages, struct ifla_port_vsi is never dumped, so we can save header plus payload in rtnl_port_size(). Infact, attribute IFLA_PORT_VSI_TYPE and struct ifla_port_vsi are not used anywhere in the kernel. We only need to keep the nla policy should applications in user space be filling this out. Same NLA_BINARY issue exists as was fixed in 364d5716 ("rtnetlink: ifla_vf_policy: fix misuses of NLA_BINARY") and others, but then again IFLA_PORT_VSI_TYPE is not used anywhere, so just add a comment that it's unused. Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 2月, 2017 1 次提交
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由 Theuns Verwoerd 提交于
Allow a master interface to be specified as one of the parameters when creating a new interface via rtnl_newlink. Previously this would require invoking interface creation, waiting for it to complete, and then separately binding that new interface to a master. In particular, this is used when creating a macvlan child interface for VRRP in a VRF configuration, allowing the interface creator to specify directly what master interface should be inherited by the child, without having to deal with asynchronous complications and potential race conditions. Signed-off-by: NTheuns Verwoerd <theuns.verwoerd@alliedtelesis.co.nz> Acked-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 21 1月, 2017 1 次提交
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由 Phil Sutter 提交于
Now that pci_bus_type has num_vf callback set, dev_num_vf can be implemented in a bus type independent way and the check for whether a PCI device is being handled in rtnetlink can be dropped. Signed-off-by: NPhil Sutter <phil@nwl.cc> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 18 1月, 2017 1 次提交
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由 Robert Shearman 提交于
Add the functionality for including address-family-specific per-link stats in RTM_GETSTATS messages. This is done through adding a new IFLA_STATS_AF_SPEC attribute under which address family attributes are nested and then the AF-specific attributes can be further nested. This follows the model of IFLA_AF_SPEC on RTM_*LINK messages and it has the advantage of presenting an easily extended hierarchy. The rtnl_af_ops structure is extended to provide AFs with the opportunity to fill and provide the size of their stats attributes. One alternative would have been to provide AFs with the ability to add attributes directly into the RTM_GETSTATS message without a nested hierarchy. I discounted this approach as it increases the rate at which the 32 attribute number space is used up and it makes implementation a little more tricky for stats dump resuming (at the moment the order in which attributes are added to the message has to match the numeric order of the attributes). Another alternative would have been to register per-AF RTM_GETSTATS handlers. I discounted this approach as I perceived a common use-case to be getting all the stats for an interface and this approach would necessitate multiple requests/dumps to retrieve them all. Signed-off-by: NRobert Shearman <rshearma@brocade.com> Acked-by: NRoopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 30 12月, 2016 1 次提交
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由 Mathias Krause 提交于
We miss to check if the netlink message is actually big enough to contain a struct if_stats_msg. Add a check to prevent userland from sending us short messages that would make us access memory beyond the end of the message. Fixes: 10c9ead9 ("rtnetlink: add new RTM_GETSTATS message to dump...") Signed-off-by: NMathias Krause <minipli@googlemail.com> Cc: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 25 12月, 2016 1 次提交
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由 Linus Torvalds 提交于
This was entirely automated, using the script by Al: PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*<asm/uaccess.h>' sed -i -e "s!$PATT!#include <linux/uaccess.h>!" \ $(git grep -l "$PATT"|grep -v ^include/linux/uaccess.h) to do the replacement at the end of the merge window. Requested-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 02 12月, 2016 2 次提交
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由 Tobias Klauser 提交于
Use the correct attribute constant names IFLA_GSO_MAX_{SEGS,SIZE} instead of IFLA_MAX_GSO_{SEGS,SIZE} for the comments int nlmsg_size(). Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: NTobias Klauser <tklauser@distanz.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Zhang Shengju 提交于
Before this patch, function ndo_dflt_fdb_dump() will always return code from uc fdb dump. The reture code of mc fdb dump is lost. Signed-off-by: NZhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 30 11月, 2016 1 次提交
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由 Daniel Borkmann 提交于
Add an IFLA_XDP_FLAGS attribute that can be passed for setting up XDP along with IFLA_XDP_FD, which eventually allows user space to implement typical add/replace/delete logic for programs. Right now, calling into dev_change_xdp_fd() will always replace previous programs. When passed XDP_FLAGS_UPDATE_IF_NOEXIST, we can handle this more graceful when requested by returning -EBUSY in case we try to attach a new program, but we find that another one is already attached. This will be used by upcoming front-end for iproute2 as well. Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 25 11月, 2016 1 次提交
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由 Or Gerlitz 提交于
Some drivers would need to check few internal matters for that. To be used in downstream mlx5 commit. Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 24 11月, 2016 1 次提交
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由 Zhang Shengju 提交于
For RT netlink, calcit() function should return the minimal size for netlink dump message. This will make sure that dump message for every network device can be stored. Currently, rtnl_calcit() function doesn't account the size of header of netlink message, this patch will fix it. Signed-off-by: NZhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 20 11月, 2016 1 次提交
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由 Zhang Shengju 提交于
If the link is filtered out, loop index should also be updated. If not, loop index will not be correct. Fixes: dc599f76 ("net: Add support for filtering link dump by master device and kind") Signed-off-by: NZhang Shengju <zhangshengju@cmss.chinamobile.com> Acked-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 11月, 2016 1 次提交
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由 Sabrina Dubroca 提交于
Add missing NDA_VLAN attribute's size. Fixes: 1e53d5bb ("net: Pass VLAN ID to rtnl_fdb_notify.") Signed-off-by: NSabrina Dubroca <sd@queasysnail.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 16 11月, 2016 2 次提交
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由 Sabrina Dubroca 提交于
rtnl_xdp_size() only considers the size of the actual payload attribute, and misses the space taken by the attribute used for nesting (IFLA_XDP). Fixes: d1fdd913 ("rtnl: add option for setting link xdp prog") Signed-off-by: NSabrina Dubroca <sd@queasysnail.net> Reviewed-by: NBrenden Blanco <bblanco@plumgrid.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sabrina Dubroca 提交于
The size reported by rtnl_vfinfo_size doesn't match the space used by rtnl_fill_vfinfo. rtnl_vfinfo_size currently doesn't account for the nest attributes used by statistics (added in commit 3b766cd8), nor for struct ifla_vf_tx_rate (since commit ed616689, which added ifla_vf_rate to the dump without removing ifla_vf_tx_rate, but replaced ifla_vf_tx_rate with ifla_vf_rate in the size computation). Fixes: 3b766cd8 ("net/core: Add reading VF statistics through the PF netdevice") Fixes: ed616689 ("net-next:v4: Add support to configure SR-IOV VF minimum and maximum Tx rate through ip tool") Signed-off-by: NSabrina Dubroca <sd@queasysnail.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 11月, 2016 1 次提交
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由 Mathias Krause 提交于
To avoid having dangling function pointers left behind, reset calcit in rtnl_unregister(), too. This is no issue so far, as only the rtnl core registers a netlink handler with a calcit hook which won't be unregistered, but may become one if new code makes use of the calcit hook. Fixes: c7ac8679 ("rtnetlink: Compute and store minimum ifinfo...") Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: NMathias Krause <minipli@googlemail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 14 10月, 2016 1 次提交
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由 Dan Carpenter 提交于
The "vf_vlan_info" struct ends with a 2 byte struct hole so we have to memset it to ensure that no stack information is revealed to user space. Fixes: 79aab093 ('net: Update API for VF vlan protocol 802.1ad support') Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 10月, 2016 1 次提交
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由 Arnd Bergmann 提交于
With the newly added support for IFLA_VF_VLAN_LIST netlink messages, we get a warning about potential uninitialized variable use in the parsing of the user input when enabling the -Wmaybe-uninitialized warning: net/core/rtnetlink.c: In function 'do_setvfinfo': net/core/rtnetlink.c:1756:9: error: 'ivvl$' may be used uninitialized in this function [-Werror=maybe-uninitialized] I have not been able to prove whether it is possible to arrive in this code with an empty IFLA_VF_VLAN_LIST block, but if we do, then ndo_set_vf_vlan gets called with uninitialized arguments. This adds an explicit check for an empty list, making it obvious to the reader and the compiler that this cannot happen. Fixes: 79aab093 ("net: Update API for VF vlan protocol 802.1ad support") Signed-off-by: NArnd Bergmann <arnd@arndb.de> Reviewed-by: NMoshe Shemesh <moshe@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 24 9月, 2016 1 次提交
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由 Moshe Shemesh 提交于
Introduce new rtnl UAPI that exposes a list of vlans per VF, giving the ability for user-space application to specify it for the VF, as an option to support 802.1ad. We adjusted IP Link tool to support this option. For future use cases, the new UAPI supports multiple vlans. For now we limit the list size to a single vlan in kernel. Add IFLA_VF_VLAN_LIST in addition to IFLA_VF_VLAN to keep backward compatibility with older versions of IP Link tool. Add a vlan protocol parameter to the ndo_set_vf_vlan callback. We kept 802.1Q as the drivers' default vlan protocol. Suitable ip link tool command examples: Set vf vlan protocol 802.1ad: ip link set eth0 vf 1 vlan 100 proto 802.1ad Set vf to VST (802.1Q) mode: ip link set eth0 vf 1 vlan 100 proto 802.1Q Or by omitting the new parameter ip link set eth0 vf 1 vlan 100 Signed-off-by: NMoshe Shemesh <moshe@mellanox.com> Signed-off-by: NTariq Toukan <tariqt@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 9月, 2016 1 次提交
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由 Nogah Frankel 提交于
Add a nested attribute of offload stats to if_stats_msg named IFLA_STATS_LINK_OFFLOAD_XSTATS. Under it, add SW stats, meaning stats only per packets that went via slowpath to the cpu, named IFLA_OFFLOAD_XSTATS_CPU_HIT. Signed-off-by: NNogah Frankel <nogahf@mellanox.com> Signed-off-by: NJiri Pirko <jiri@mellanox.com> Acked-by: NNikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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