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2016-03-02RDS: IB: Re-organise ibmr codesantosh.shilimkar@oracle.com6-347/+422
No functional changes. This is in preperation towards adding fastreg memory resgitration support. Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02RDS: IB: Remove the RDS_IB_SEND_OP dependencysantosh.shilimkar@oracle.com3-20/+29
This helps to combine asynchronous fastreg MR completion handler with send completion handler. No functional change. Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02MAINTAINERS: update RDS entrysantosh.shilimkar@oracle.com1-1/+5
Acked-by: Chien Yen <chien.yen@oracle.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02RDS: Add support for SO_TIMESTAMP for incoming messagessantosh.shilimkar@oracle.com3-2/+45
The SO_TIMESTAMP generates time stamp for each incoming RDS messages User app can enable it by using SO_TIMESTAMP setsocketopt() at SOL_SOCKET level. CMSG data of cmsg type SO_TIMESTAMP contains the time stamp in struct timeval format. Reviewed-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02RDS: Drop stale iWARP RDMA transportsantosh.shilimkar@oracle.com14-4614/+7
RDS iWarp support code has become stale and non testable. As indicated earlier, am dropping the support for it. If new iWarp user(s) shows up in future, we can adapat the RDS IB transprt for the special RDMA READ sink case. iWarp needs an MR for the RDMA READ sink. Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02qed: Remove unused NVM vendor IDYuval Mintz2-10/+0
Remove 2 unused fields from driver code. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02qed: Fix error flow on slowpath startYuval Mintz3-44/+64
In case of problems when initializing the chip, the error flows aren't being properly done. Specifically, it's possible that the chip would be left in a configuration allowing it [internally] to access the host memory, causing fatal problems in the device that would require power cycle to overcome. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02qed: Move statistics to L2 codeYuval Mintz3-245/+324
Current statistics logic is meant for L2, not for all future protocols. Move this content to the proper designated file. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02qed: Support B0 instead of A0Yuval Mintz2-19/+24
BB_A0 is a development model that is will not reach actual clients. In fact, future firmware would simply fail to initialize such chip. This changes the configuration into B0 instead of A0, and adds a safeguard against the slim chance someone would actually try this with an A0 adapter in which case probe would gracefully fail. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02qed: Correct BAR sizes for older MFWRam Amrani1-13/+29
Driver learns the inner bar sized from a register configured by management firmware, but older versions are not setting this register. But since we know which values were configured back then, use them instead. Signed-off-by: Ram Amrani <Ram.Amrani@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02batman-adv: clarify CFG80211 dependencyArnd Bergmann1-1/+1
The driver calls cfg80211_get_station, which may be part of a module, so we must not enable BATMAN_ADV_BATMAN_V if BATMAN_ADV=y and CFG80211=m: net/built-in.o: In function `batadv_v_elp_get_throughput': (text+0x5c62c): undefined reference to `cfg80211_get_station' This clarifies the dependency to cover all combinations. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: c833484e5f38 ("batman-adv: ELP - compute the metric based on the estimated throughput") Acked-by: Antonio Quartulli <a@unstable.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02wan: lmc: Switch to using managed resourcesAmitoj Kaur Chawla1-20/+7
Use managed resource functions devm_kzalloc and pcim_enable_device to simplify error handling. Subsequently, remove unnecessary kfree, pci_disable_device and pci_release_regions. To be compatible with the change, various gotos are replaced with direct returns and unneeded labels are dropped. Also, `sc` was only being freed in the probe function and not the remove function before the change. By using devm_kzalloc this patch also fixes this memory leak. Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: pktgen: use reset to set mac headerZhang Shengju1-2/+2
Since offset is zero, it's not necessary to use set function. Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01sch_mqprio: Fix build with older gcc.David S. Miller1-1/+1
CC [M] net/sched/sch_mqprio.o net/sched/sch_mqprio.c: In function ?mqprio_init?: net/sched/sch_mqprio.c:145: error: unknown field ?tc? specified in initializer net/sched/sch_mqprio.c:145: warning: missing braces around initializer net/sched/sch_mqprio.c:145: warning: (near initialization for ?tc.<anonymous>?) make[2]: *** [net/sched/sch_mqprio.o] Error 1 make[1]: *** [net/sched] Error 2 make: *** [net] Error 2 Several people reported this, surround the unnamed union member initialization with braces to fix. Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01of_mdio: kill useless variable in of_mdiobus_register()Sergei Shtylyov1-3/+1
of_mdiobus_register() declares the 'paddr' variable to hold the result of the of_get_property() but only uses it once after that while the function can be called directly from the *if* statement. Remove that variable and switch to calling of_find_property() instead since we don't care about the "reg" property's value anyway... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01qed: Print additional HW attention infoYuval Mintz2-105/+479
This patch utilizes the attention infrastructure to log additional information that relates only to specific HW blocks. For some of those HW blocks, it also stops automatically disabling the attention generation as the attention is considered benign and thus should only be logged; No fear of it flooding the system. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01qed: Print HW attention reasonsYuval Mintz1-107/+1436
Each HW block contains common information about attention reasons, raising a bit for each one of the different sub-reasons that caused it to raise an attention. This patch extends the infrastructure by allowing logging of the various reasons causing the HW blocks to generate an attention. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01qed: Add support for HW attentionsYuval Mintz2-40/+357
HW is capable of generating attentnions for a multitude of reasons, but current driver is enabling attention generation only for management firmware [required for link notifications]. This patch enables almost all of the possible reasons for HW attentions, logging the HW block generating the attention and preventing further attentions from that source [to prevent possible attention flood]. It also lays the infrastructure for additional exploration of the various attentions. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01qed: Semantic refactoring of interrupt codeYuval Mintz5-77/+111
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: remove skb_sender_cpu_clear()WANG Cong9-18/+0
After commit 52bd2d62ce67 ("net: better skb->sender_cpu and skb->napi_id cohabitation") skb_sender_cpu_clear() becomes empty and can be removed. Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5: Fix global UAR mappingMoshe Lazer6-56/+36
Avoid double mapping of io mapped memory, Device page may be mapped to non-cached(NC) or to write-combining(WC). The code before this fix tries to map it both to WC and NC contrary to what stated in Intel's software developer manual. Here we remove the global WC mapping of all UARS "dev->priv.bf_mapping", since UAR mapping should be decided per UAR (e.g we want different mappings for EQs, CQs vs QPs). Caller will now have to choose whether to map via write-combining API or not. mlx5e SQs will choose write-combining in order to perform BlueFlame writes. Fixes: 88a85f99e51f ('TX latency optimization to save DMA reads') Signed-off-by: Moshe Lazer <moshel@mellanox.com> Reviewed-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5: Make command timeout way shorterOr Gerlitz1-1/+1
The command timeout is terribly long, whole two hours. Make it 60s so if things do go wrong, the user gets feedback in relatively short time, so they can take corrective actions and/or investigate using tools and such. Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters') Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5e: Don't modify CQ before it was createdGal Pressman1-0/+6
Calling mlx5e_set_coalesce while the interface is down will result in modifying CQs that don't exist. Fixes: f62b8bb8f2d3 ('net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality') Signed-off-by: Gal Pressman <galp@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5e: Don't try to modify CQ moderation if it is not supportedGal Pressman2-6/+12
If CQ moderation is not supported by the device, print a warning on netdevice load, and return error when trying to modify/query cq moderation via ethtool. Fixes: f62b8bb8f2d3 ('net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality') Signed-off-by: Gal Pressman <galp@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5e: Set drop RQ's necessary parameters onlyTariq Toukan1-2/+10
By its role, there is no need to set all the other parameters for the drop RQ. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5e: Move common case counters within sq_stats structTariq Toukan1-4/+6
For data cache locality considerations, we moved the nop and csum_offload_inner within sq_stats struct as they are more commonly accessed in xmit path. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5e: Changed naming convention of tx queues in ethtool statsTariq Toukan1-7/+8
Instead of the pair (channel, tc), we now use a single number that goes over all tx queues of a TC, for all TCs. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5e: Placement changed for carrier state updatesTariq Toukan1-2/+2
More proper to declare carrier state UP only after the channels are ready for traffic. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net/mlx5e: Replace async events spinlock with synchronize_irq()Tariq Toukan4-17/+14
We only need to flush the irq handler to make sure it does not queue a work into the global work queue after we start to flush it. So using synchronize_irq() is more appropriate than a spin lock. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: ipv6/l3mdev: Move host route on saved address if necessaryDavid Ahern1-0/+26
Commit f1705ec197e70 allows IPv6 addresses to be retained on a link down. The address can have a cached host route which can point to the wrong FIB table if the L3 enslavement is changed (e.g., route can point to local table instead of VRF table if device is added to an L3 domain). On link up check the table of the cached host route against the FIB table associated with the device and correct if needed. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: sctp: Convert log timestamps to be y2038 safeDeepa Dinamani1-5/+5
SCTP probe log timestamps use struct timespec which is not y2038 safe. Use struct timespec64 which is 2038 safe instead. Use monotonic time instead of real time as only time differences are logged. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Neil Horman <nhorman@tuxdriver.com> Cc: Vlad Yasevich <vyasevich@gmail.com> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: linux-sctp@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: ipv4: tcp_probe: Replace timespec with timespec64Deepa Dinamani1-4/+4
TCP probe log timestamps use struct timespec which is not y2038 safe. Even though timespec might be good enough here as it is used to represent delta time, the plan is to get rid of all uses of timespec in the kernel. Replace with struct timespec64 which is y2038 safe. Prints still use unsigned long format and type. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: James Morris <jmorris@namei.org> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: Patrick McHardy <kaber@trash.net> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: ipv4: Convert IP network timestamps to be y2038 safeDeepa Dinamani4-12/+35
ICMP timestamp messages and IP source route options require timestamps to be in milliseconds modulo 24 hours from midnight UT format. Add inet_current_timestamp() function to support this. The function returns the required timestamp in network byte order. Timestamp calculation is also changed to call ktime_get_real_ts64() which uses struct timespec64. struct timespec64 is y2038 safe. Previously it called getnstimeofday() which uses struct timespec. struct timespec is not y2038 safe. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: James Morris <jmorris@namei.org> Cc: Patrick McHardy <kaber@trash.net> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01Support to encoding decoding skb prio on IFE actionJamal Hadi Salim3-0/+82
Example usage: Set the skb priority using skbedit then allow it to be encoded sudo tc qdisc add dev $ETH root handle 1: prio sudo tc filter add dev $ETH parent 1: protocol ip prio 10 \ u32 match ip protocol 1 0xff flowid 1:2 \ action skbedit prio 17 \ action ife encode \ allow prio \ dst 02:15:15:15:15:15 Note: You dont need the skbedit action if you are already encoding the skb priority earlier. A zero skb priority will not be sent Alternative hard code static priority of decimal 33 (unlike skbedit) then mark of 0x12 every time the filter matches sudo $TC filter add dev $ETH parent 1: protocol ip prio 10 \ u32 match ip protocol 1 0xff flowid 1:2 \ action ife encode \ type 0xDEAD \ use prio 33 \ use mark 0x12 \ dst 02:15:15:15:15:15 Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01Support to encoding decoding skb mark on IFE actionJamal Hadi Salim3-0/+85
Example usage: Set the skb using skbedit then allow it to be encoded sudo tc qdisc add dev $ETH root handle 1: prio sudo tc filter add dev $ETH parent 1: protocol ip prio 10 \ u32 match ip protocol 1 0xff flowid 1:2 \ action skbedit mark 17 \ action ife encode \ allow mark \ dst 02:15:15:15:15:15 Note: You dont need the skbedit action if you are already encoding the skb mark earlier. A zero skb mark, when seen, will not be encoded. Alternative hard code static mark of 0x12 every time the filter matches sudo $TC filter add dev $ETH parent 1: protocol ip prio 10 \ u32 match ip protocol 1 0xff flowid 1:2 \ action ife encode \ type 0xDEAD \ use mark 0x12 \ dst 02:15:15:15:15:15 Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01introduce IFE actionJamal Hadi Salim5-0/+982
This action allows for a sending side to encapsulate arbitrary metadata which is decapsulated by the receiving end. The sender runs in encoding mode and the receiver in decode mode. Both sender and receiver must specify the same ethertype. At some point we hope to have a registered ethertype and we'll then provide a default so the user doesnt have to specify it. For now we enforce the user specify it. Lets show example usage where we encode icmp from a sender towards a receiver with an skbmark of 17; both sender and receiver use ethertype of 0xdead to interop. YYYY: Lets start with Receiver-side policy config: xxx: add an ingress qdisc sudo tc qdisc add dev $ETH ingress xxx: any packets with ethertype 0xdead will be subjected to ife decoding xxx: we then restart the classification so we can match on icmp at prio 3 sudo $TC filter add dev $ETH parent ffff: prio 2 protocol 0xdead \ u32 match u32 0 0 flowid 1:1 \ action ife decode reclassify xxx: on restarting the classification from above if it was an icmp xxx: packet, then match it here and continue to the next rule at prio 4 xxx: which will match based on skb mark of 17 sudo tc filter add dev $ETH parent ffff: prio 3 protocol ip \ u32 match ip protocol 1 0xff flowid 1:1 \ action continue xxx: match on skbmark of 0x11 (decimal 17) and accept sudo tc filter add dev $ETH parent ffff: prio 4 protocol ip \ handle 0x11 fw flowid 1:1 \ action ok xxx: Lets show the decoding policy sudo tc -s filter ls dev $ETH parent ffff: protocol 0xdead xxx: filter pref 2 u32 filter pref 2 u32 fh 800: ht divisor 1 filter pref 2 u32 fh 800::800 order 2048 key ht 800 bkt 0 flowid 1:1 (rule hit 0 success 0) match 00000000/00000000 at 0 (success 0 ) action order 1: ife decode action reclassify index 1 ref 1 bind 1 installed 14 sec used 14 sec type: 0x0 Metadata: allow mark allow hash allow prio allow qmap Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 xxx: Observe that above lists all metadatum it can decode. Typically these submodules will already be compiled into a monolithic kernel or loaded as modules YYYY: Lets show the sender side now .. xxx: Add an egress qdisc on the sender netdev sudo tc qdisc add dev $ETH root handle 1: prio xxx: xxx: Match all icmp packets to 192.168.122.237/24, then xxx: tag the packet with skb mark of decimal 17, then xxx: Encode it with: xxx: ethertype 0xdead xxx: add skb->mark to whitelist of metadatum to send xxx: rewrite target dst MAC address to 02:15:15:15:15:15 xxx: sudo $TC filter add dev $ETH parent 1: protocol ip prio 10 u32 \ match ip dst 192.168.122.237/24 \ match ip protocol 1 0xff \ flowid 1:2 \ action skbedit mark 17 \ action ife encode \ type 0xDEAD \ allow mark \ dst 02:15:15:15:15:15 xxx: Lets show the encoding policy sudo tc -s filter ls dev $ETH parent 1: protocol ip xxx: filter pref 10 u32 filter pref 10 u32 fh 800: ht divisor 1 filter pref 10 u32 fh 800::800 order 2048 key ht 800 bkt 0 flowid 1:2 (rule hit 0 success 0) match c0a87aed/ffffffff at 16 (success 0 ) match 00010000/00ff0000 at 8 (success 0 ) action order 1: skbedit mark 17 index 6 ref 1 bind 1 Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 action order 2: ife encode action pipe index 3 ref 1 bind 1 dst MAC: 02:15:15:15:15:15 type: 0xDEAD Metadata: allow mark Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 xxx: test by sending ping from sender to destination Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01bridge: mcast: add support for more router port information dumpingNikolay Aleksandrov2-3/+27
Allow for more multicast router port information to be dumped such as timer and type attributes. For that that purpose we need to extend the MDBA_ROUTER_PORT attribute similar to how it was done for the mdb entries recently. The new format is thus: [MDBA_ROUTER_PORT] = { <- nested attribute u32 ifindex <- router port ifindex for user-space compatibility [MDBA_ROUTER_PATTR attributes] } This way it remains compatible with older users (they'll simply retrieve the u32 in the beginning) and new users can parse the remaining attributes. It would also allow to add future extensions to the router port without breaking compatibility. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01bridge: mcast: add support for temporary port routerNikolay Aleksandrov2-2/+20
Add support for a temporary router port which doesn't depend only on the incoming query. It can be refreshed if set to the same value, which is a no-op for the rest. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01bridge: mcast: do nothing if port's multicast_router is set to the same valNikolay Aleksandrov1-1/+4
This is needed for the upcoming temporary port router. There's no point to go through the logic if the value is the same. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01bridge: mcast: use names for the different multicast_router typesNikolay Aleksandrov2-28/+40
Using raw values makes it difficult to extend and also understand the code, give them names and do explicit per-option manipulation in br_multicast_set_port_router. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: support VLAN filteringVivien Didelot4-0/+43
Implement port_vlan_filtering in the driver to toggle the related port 802.1Q mode between DISABLED and SECURE, on user request. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: remove reserved VLANsVivien Didelot1-30/+3
Now that ports isolation is correctly configured when joining or leaving a bridge, there is no need to rely on reserved VLANs to isolate unbridged ports anymore. Thus remove them, and disable 802.1Q on setup. This restores the expected behavior of hardware bridging for systems without 802.1Q or VLAN filtering enabled. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: restore VLANTable map controlVivien Didelot1-7/+47
The In Chip Port Based VLAN Table contains bits used to restrict which output ports this input port can send frames to. With the VLAN filtering enabled, these tables work in conjunction with the VLAN Table Unit to allow egressing frames. In order to remove the current dependency to BRIDGE_VLAN_FILTERING for basic hardware bridging to work, it is necessary to restore a fine control of each port's VLANTable, on setup and when a port joins or leaves a bridge. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: assign dynamic FDB to bridgesVivien Didelot1-2/+39
Give a new bridge a fresh FDB, assign it to its members, and restore a fresh FDB to a port leaving a bridge. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: assign default FDB to portsVivien Didelot2-7/+91
Restore per-port FDB. Assign them on setup, allow adding and deleting addresses into them, and dump them. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: assign dynamic FDB to VLANsVivien Didelot2-9/+49
Add a _mv88e6xxx_fid_new function which gives and flushes the lowest FID available. Call it when preparing a new VTU entry. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: extract single FDB dumpVivien Didelot1-33/+46
Move out the code which dumps a single FDB to its own function. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: mv88e6xxx: extract single VLAN retrievalVivien Didelot1-20/+35
Rename _mv88e6xxx_vlan_init in _mv88e6xxx_vtu_new, eventually called from a new _mv88e6xxx_vtu_get function, which abstracts the VTU GetNext VID-1 trick to retrieve a single entry. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: support VLAN filtering switchdev attrVivien Didelot2-0/+23
When a user explicitly requests VLAN filtering with something like: # echo 1 > /sys/class/net/<bridge>/bridge/vlan_filtering Switchdev propagates a SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING port attribute. Add support for it in the DSA layer with a new port_vlan_filtering function to let drivers toggle 802.1Q filtering on user demand. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01mlxsw: spectrum: Introduce port splittingIdo Schimmel3-3/+219
Allow a user to split or unsplit a port using the newly introduced devlink ops. Once split, the original netdev is destroyed and 2 or 4 others are created, according to user configuration. The new ports are like any other port, with the sole difference of supporting a lower maximum speed. When unsplit, the reverse process takes place. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>