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2014-02-17bonding: Convert memcpy(foo, bar, ETH_ALEN) to ether_addr_copy(foo, bar)Joe Perches3-25/+25
ether_addr_copy is smaller and faster for some architectures. This relies on a stack frame being at least __aligned(2) for one use of an Ethernet address on the stack. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17bonding: Convert c99 commentsJoe Perches1-88/+87
Neatening only. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17bonding: Neaten pr_<level>Joe Perches6-122/+110
Add missing terminating newlines. Convert uses of pr_info to pr_cont in bond_check_params. Standardize upper/lower case styles. Typo fixes, remove unnecessary parentheses and periods. Alignment neatening. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17bonding: Convert pr_warning to pr_warn, neateningJoe Perches4-73/+67
Use more current logging style. Coalesce formats, realign arguments, drop unnecessary periods. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14bonding:fix checkpatch warnings braces {}Wang Yufen1-10/+5
Signed-off-by: Wang Yufen <wangyufen@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14bonding:fix checkpatch warnings braces {}Wang Yufen1-13/+7
Signed-off-by: Wang Yufen <wangyufen@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14bonding:fix checkpatch warnings braces {}Wang Yufen1-12/+6
Signed-off-by: Wang Yufen <wangyufen@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14bonding:fix checkpatch warnings braces {}Wang Yufen1-12/+6
Signed-off-by: Wang Yufen <wangyufen@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14bonding:fix checkpatch errors comments and spaceWang Yufen1-3/+3
Signed-off-by: Wang Yufen <wangyufen@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14bonding:fix checkpatch errors with foo* bar|foo * barWang Yufen1-3/+3
Signed-off-by: Wang Yufen <wangyufen@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14net,bonding: fix bond_options.c direct rwlock.h includeMike Galbraith1-1/+1
drivers/net/bonding/bond_options.c includes rwlock.h directly, which is a nono, and which also breaks RT kernel build. Signed-off-by: Mike Galbraith <bitbucket@online.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13bonding: remove the redundant judgements for bond_option_queue_id_set()dingtianhong1-2/+1
The dev_valid_name() will check the buffer length for input name, no need to check it twice. Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Reviewed-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13bonding: remove the redundant judgements for bond_set_mac_address()dingtianhong1-8/+0
The dev_set_mac_address() will check the dev->netdev_ops->ndo_set_mac_address, so no need to check it in bond_set_mac_address(). Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Reviewed-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13bonding: Fix deadlock in bonding driver when using netpolldingtianhong1-0/+7
The bonding driver take write locks and spin locks that are shared by the tx path in enslave processing and notification processing, If the netconsole is in use, the bonding can call printk which puts us in the netpoll tx path, if the netconsole is attached to the bonding driver, result in deadlock. So add protection for these place, by checking the netpoll_block_tx state, we can defer the sending of the netconsole frames until a later time using the retransmit feature of netpoll_send_skb that is triggered on the return code NETDEV_TX_BUSY. Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-10bonding: remove unwanted bond lock for enslave processingdingtianhong1-1/+0
The bond enslave processing don't hold bond->lock anymore, so release an unlocked rw lock will cause warning message, remove the unwanted read_unlock(&bond->lock). Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Acked-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04bonding: fail_over_mac should only affect AB mode in bond_set_mac_address()dingtianhong1-1/+2
The fail_over_mac could be set to active or follow in any time for all modes, so if the fail_over_mac is not none and the current mode is not active-backup, the bond_set_mac_address() could not change the master and slave's MAC address. In bond_set_mac_address(), the fail_over_mac should only affect AB mode, so modify to check the mode in addition to fail_over_mac when setting bond's MAC address. Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04bonding: fail_over_mac should only affect AB mode at enslave and removal processingdingtianhong1-7/+15
According to bonding.txt, the fail_over_ma should only affect active-backup mode, but I found that the fail_over_mac could be set to active or follow in all modes, this will cause new slave could not be set to bond's MAC address at enslave processing and restore its own MAC address at removal processing. The correct way to fix the problem is that we should not add restrictions when setting options, just need to modify the bond enslave and removal processing to check the mode in addition to fail_over_mac when setting a slave's MAC during enslavement. The change active slave processing already only calls the fail_over_mac function when in active-backup mode. Thanks for Jay's suggestion. The patch also modify the pr_warning() to pr_warn(). Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28bonding: fix locking in bond_loadbalance_arp_mon()Ding Tianhong2-12/+30
The commit 1d3ee88ae0d605629bf369 (bonding: add netlink attributes to slave link dev) has add rtmsg_ifinfo() in bond_set_active_slave() and bond_set_backup_slave(), so the two function need to called in RTNL lock, but bond_loadbalance_arp_mon() only calling these functions in RCU, warning message will occurs. fix this by add a new function bond_slave_state_change(), which will reset the slave's state after slave link check, so remove the bond_set_xxx_slave() from the cycle and only record the slave_state_changed, this will call the new function to set all slaves to new state in RTNL later. Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-27bonding: restructure locking of bond_ab_arp_probe()Veaceslav Falico1-21/+36
Currently we're calling it from under RCU context, however we're using some functions that require rtnl to be held. Fix this by restructuring the locking - don't call it under any locks, aquire rcu_read_lock() if we're sending _only_ (i.e. we have the active slave present), and use rtnl locking otherwise - if we need to modify (in)active flags of a slave. CC: Jay Vosburgh <fubar@us.ibm.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-27bonding: RCUify bond_ab_arp_probeVeaceslav Falico1-10/+6
Currently bond_ab_arp_probe() is always called under rcu_read_lock(), however to work with curr_active_slave we're still holding the curr_slave_lock. To remove that curr_slave_lock - rcu_dereference the bond's curr_active_slave and use it further - so that we're sure the slave won't go away, and we don't care if it will change in the meanwhile. CC: Jay Vosburgh <fubar@us.ibm.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds13-1597/+2868
Pull networking updates from David Miller: 1) BPF debugger and asm tool by Daniel Borkmann. 2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann. 3) Correct reciprocal_divide and update users, from Hannes Frederic Sowa and Daniel Borkmann. 4) Currently we only have a "set" operation for the hw timestamp socket ioctl, add a "get" operation to match. From Ben Hutchings. 5) Add better trace events for debugging driver datapath problems, also from Ben Hutchings. 6) Implement auto corking in TCP, from Eric Dumazet. Basically, if we have a small send and a previous packet is already in the qdisc or device queue, defer until TX completion or we get more data. 7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko. 8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel Borkmann. 9) Share IP header compression code between Bluetooth and IEEE802154 layers, from Jukka Rissanen. 10) Fix ipv6 router reachability probing, from Jiri Benc. 11) Allow packets to be captured on macvtap devices, from Vlad Yasevich. 12) Support tunneling in GRO layer, from Jerry Chu. 13) Allow bonding to be configured fully using netlink, from Scott Feldman. 14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can already get the TCI. From Atzm Watanabe. 15) New "Heavy Hitter" qdisc, from Terry Lam. 16) Significantly improve the IPSEC support in pktgen, from Fan Du. 17) Allow ipv4 tunnels to cache routes, just like sockets. From Tom Herbert. 18) Add Proportional Integral Enhanced packet scheduler, from Vijay Subramanian. 19) Allow openvswitch to mmap'd netlink, from Thomas Graf. 20) Key TCP metrics blobs also by source address, not just destination address. From Christoph Paasch. 21) Support 10G in generic phylib. From Andy Fleming. 22) Try to short-circuit GRO flow compares using device provided RX hash, if provided. From Tom Herbert. The wireless and netfilter folks have been busy little bees too. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits) net/cxgb4: Fix referencing freed adapter ipv6: reallocate addrconf router for ipv6 address when lo device up fib_frontend: fix possible NULL pointer dereference rtnetlink: remove IFLA_BOND_SLAVE definition rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info qlcnic: update version to 5.3.55 qlcnic: Enhance logic to calculate msix vectors. qlcnic: Refactor interrupt coalescing code for all adapters. qlcnic: Update poll controller code path qlcnic: Interrupt code cleanup qlcnic: Enhance Tx timeout debugging. qlcnic: Use bool for rx_mac_learn. bonding: fix u64 division rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC sfc: Use the correct maximum TX DMA ring size for SFC9100 Add Shradha Shah as the sfc driver maintainer. net/vxlan: Share RX skb de-marking and checksum checks with ovs tulip: cleanup by using ARRAY_SIZE() ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called net/cxgb4: Don't retrieve stats during recovery ...
2014-01-23bonding: fix u64 divisionNikolay Aleksandrov1-10/+14
After the option conversion downdelay and updelay divide a u64 and on a 32 bit this causes the following errors: ERROR: "__udivdi3" [drivers/net/bonding/bonding.ko] undefined! ERROR: "__umoddi3" [drivers/net/bonding/bonding.ko] undefined! Fix it by using a normal int instead because newval->value is capped at INT_MAX by the way the option is defined. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: Don't allow bond devices to change network namespaces.Weilong Chen1-0/+3
Like bridge, bonding as netdevice doesn't cross netns boundaries. Bonding ports and bonding itself live in same netns. Signed-off-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert netlink to use slave data info apiJiri Pirko3-4/+19
Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22rtnetlink: put "BOND" into nl attribute names which are related to bondingJiri Pirko1-6/+6
Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: change name of sysfs dir for bonding slavesJiri Pirko1-1/+1
Allow user to identify easily what the attributes are related to. Change the name of the group to "bonding_slave" to be similar to master which is named "bonding". Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: clean the primary slave if there is no slave matching new primarydingtianhong1-0/+6
If the new primay is not matching any slave in the bond, the bond should record it to params, clean the primary slave and select a new active slave. Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert slaves to use the new option APINikolay Aleksandrov3-47/+59
This patch adds the necessary changes so slaves would use the new bonding option API. Also move the option to its own set function in bond_options.c and fix some style errors. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert lp_interval to use the new option APINikolay Aleksandrov5-22/+22
This patch adds the necessary changes so lp_interval would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert resend_igmp to use the new option APINikolay Aleksandrov5-24/+26
This patch adds the necessary changes so resend_igmp would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert all_slaves_active to use the new option APINikolay Aleksandrov5-28/+25
This patch adds the necessary changes so all_slaves_active would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert queue_id to use the new option APINikolay Aleksandrov3-61/+77
This patch adds the necessary changes so queue_id would use the new bonding option API. Also move it to its own set function in bond_options.c and fix some style errors. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert active_slave to use the new option APINikolay Aleksandrov6-35/+36
This patch adds the necessary changes so active_slave would use the new bonding option API. Also some trivial/style fixes. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert use_carrier to use the new option APINikolay Aleksandrov5-23/+25
This patch adds the necessary changes so use_carrier would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert primary_reselect to use the new option APINikolay Aleksandrov7-44/+43
This patch adds the necessary changes so primary_reselect would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert primary to use the new option APINikolay Aleksandrov5-22/+22
This patch adds the necessary changes so primary would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert miimon to use the new option APINikolay Aleksandrov6-30/+24
This patch adds the necessary changes so miimon would use the new bonding option API. The "default" definition has been removed as it was 0. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert num_peer_notif to use the new option APINikolay Aleksandrov5-17/+24
This patch adds the necessary changes so num_peer_notif would use the new bonding option API. When the auto-sysfs generation is done an alias should be added for this option as there're currently 2 entries in sysfs for it. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert ad_select to use the new option APINikolay Aleksandrov7-50/+41
This patch adds the necessary changes so ad_select would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert min_links to use the new option APINikolay Aleksandrov5-19/+18
This patch adds the necessary changes so min_links would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert lacp_rate to use the new option APINikolay Aleksandrov6-51/+37
This patch adds the necessary changes so lacp_rate would use the new bonding option API. Also some trivial/style error fixes. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert updelay to use the new option APINikolay Aleksandrov5-33/+27
This patch adds the necessary changes so updelay would use the new bonding option API. Also some trivial style fixes. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert downdelay to use the new option APINikolay Aleksandrov5-32/+27
This patch adds the necessary changes so downdelay would use the new bonding option API. Also some trivial style fixes. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert arp_ip_target to use the new option APINikolay Aleksandrov5-41/+53
This patch adds the necessary changes so arp_ip_target would use the new bonding option API. This option is an exception because of the way it's currently implemented that's why its netlink code is a bit different from the other options to keep the functionality as before and at the same time to have a single set function. This patch also fixes a few stylistic errors. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert arp_interval to use the new option APINikolay Aleksandrov6-35/+32
This patch adds the necessary changes so arp_interval would use the new bonding option API. The "default" definition has been removed as it was 0. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert fail_over_mac to use the new option APINikolay Aleksandrov7-50/+43
This patch adds the necessary changes so fail_over_mac would use the new bonding option API. Also fixes a trivial copy/paste error in bond_check_params where the wrong variable was used for the error msg. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert arp_all_targets to use the new option APINikolay Aleksandrov6-41/+36
This patch adds the necessary changes so arp_all_targets would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert arp_validate to use the new option APINikolay Aleksandrov6-52/+45
This patch adds the necessary changes so arp_validate would use the new bonding option API. Also fix some trivial/style errors. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert xmit_hash_policy to use the new option APINikolay Aleksandrov7-46/+41
This patch adds the necessary changes so xmit_hash_policy would use the new bonding option API. Also fix some trivial/style errors. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22bonding: convert packets_per_slave to use the new option APINikolay Aleksandrov6-32/+27
This patch adds the necessary changes so packets_per_slave would use the new bonding option API. Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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