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2018-09-11liquidio: Removed droq lockIntiyaz Basha3-37/+3
With the changes in patch 1 and 2, droq lock is not required. So removing droq lock. Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Acked-by: Derek Chickles <derek.chickles@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-11liquidio: Per queue oom work queueIntiyaz Basha6-73/+110
Removed oom task unconditional rescheduling every 250ms and created per queue oom work queue for refilling buffers. The oom task refills only if the available descriptors is fallen to 64. There will be no packets coming in after hitting this level. So NAPI will not run until oom task refills the buffers. Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Acked-by: Derek Chickles <derek.chickles@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-11liquidio: Disabling tasklet when NAPI is activeIntiyaz Basha2-1/+29
Control packets are processed in tasklet when interface is down and in NAPI when interface is up. So tasklet can be disabled when interface up and re-enabled when interface is down. Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Acked-by: Derek Chickles <derek.chickles@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-11xen-netback: remove unecessary condition check before debugfs_remove_recursivezhong jiang1-2/+1
debugfs_remove_recursive has taken IS_ERR_OR_NULL into account. So just remove the condition check before debugfs_remove_recursive. Signed-off-by: zhong jiang <zhongjiang@huawei.com> Reviewed-by: Paul Durrant <paul.durrant@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-11net: xenbus: remove redundant condition check before debugfs_remove_recursivezhong jiang1-2/+1
debugfs_remove_recursive has taken the IS_ERR_OR_NULL into account. Just remove the unnecessary condition check. Signed-off-by: zhong jiang <zhongjiang@huawei.com> Reviewed-by: Paul Durrant <paul.durrant@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-11net: dsa: b53: Uninitialized variable in b53_adjust_link()Dan Carpenter1-1/+1
The "pause" variable is only initialized on BCM5301x. Fixes: 5e004460f874 ("net: dsa: b53: Add helper to set link parameters") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10htb: use anonymous union for simplicityCong Wang1-49/+49
cl->leaf.q is slightly more readable than cl->un.leaf.q. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10net_sched: remove redundant qdisc lock classesCong Wang1-7/+0
We no longer take any spinlock on RX path for ingress qdisc, so this lockdep annotation is no longer needed. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10net: sched: cls_flower: dump offload count valueVlad Buslov3-2/+7
Change flower in_hw_count type to fixed-size u32 and dump it as TCA_FLOWER_IN_HW_COUNT. This change is necessary to properly test shared blocks and re-offload functionality. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10rtl818x: Remove SKB list assumptions.David S. Miller1-5/+8
Eliminate the assumption that SKBs and SKB list heads can be cast to eachother in SKB list handling code. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10can: Remove SKB list assumptions in rx-offload.cDavid S. Miller1-3/+5
Eliminate code which assumes that SKBs and skb_queue_head objects can be cast to eachother during list processing. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10net: Add and use skb_list_del_init().David S. Miller3-9/+9
It documents what is happening, and eliminates the spurious list pointer poisoning. In the long term, in order to get proper list head debugging, we might want to use the list poison value as the indicator that an SKB is a singleton and not on a list. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10net: Add and use skb_mark_not_on_list().David S. Miller22-28/+33
An SKB is not on a list if skb->next is NULL. Codify this convention into a helper function and use it where we are dequeueing an SKB and need to mark it as such. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10brcmfmac: Use __skb_peek().David S. Miller2-2/+2
Instead of direct SKB list pointer accesses. In these situations, we absolutely know that the SKB queue in question is non-empty. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10staging: rtl8192e: Use __skb_peek().David S. Miller1-1/+1
Instead of direct list head pointer accesses. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10bnx2fc_fcoe: Use skb_queue_walk_safe().David S. Miller1-5/+1
Instead of direct list pointer accesses. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10p54: Use skb_peek_tail() instead of direct head pointer accesses.David S. Miller1-2/+2
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10sctp: Use skb_queue_is_first().David S. Miller1-1/+1
Instead of direct skb_queue_head pointer accesses. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10lan78xx: Do not access skb_queue_head list pointers directly.David S. Miller1-2/+2
Use skb_queue_walk() instead. Adjust inner loop test to utilize and skb_queue_is_first(). Unfortunately we have to keep pkt_cnt around because it is used by a latter loop in this function. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10mac80211: Don't access sk_queue_head->next directly.David S. Miller1-1/+3
Use __skb_peek() instead. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10ppp: Remove direct skb_queue_head list pointer access.David S. Miller2-1/+12
Add a helper, __skb_peek(), and use it in ppp_mp_reconstruct(). Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10infiniband: nes: Use skb_peek_next() and skb_queue_walk().David S. Miller1-5/+3
Instead of direct SKB list accesses. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10sch_netem: Move private queue handler to generic location.David S. Miller2-11/+12
By hand copies of SKB list handlers do not belong in individual packet schedulers. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10sch_htb: Remove local SKB queue handling code.David S. Miller2-23/+6
Instead, adjust __qdisc_enqueue_tail() such that HTB can use it instead. The only other caller of __qdisc_enqueue_tail() is qdisc_enqueue_tail() so we can move the backlog and return value handling (which HTB doesn't need/want) to the latter. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10net/ipv6: Remove rt6i_prefsrcDavid Ahern3-30/+2
After the conversion to fib6_info, rt6i_prefsrc has a single user that reads the value and otherwise it is only set. The one reader can be converted to use rt->from so rt6i_prefsrc can be removed, reducing rt6_info by another 20 bytes. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-10cxgb4: remove redundant assignment to vlan_cmd.dropnovlan_fmColin Ian King1-1/+0
A recent commit updated vlan_cmd.dropnovlan_fm but failed to remove the older assignment. Fix this by removing the former redundant assignment. Detected by CoverityScan, CID#1473290 ("Unused value") Fixes: a89cdd8e7c74 ("cxgb4: impose mandatory VLAN usage when non-zero TAG ID") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-08failover: Fix error return code in net_failover_createYueHaibing1-1/+3
if failover_register failed, 'err' code should be set correctly Fixes: cfc80d9a1163 ("net: Introduce net_failover driver") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-08net: stmmac: Enable TC Ops for GMAC >= 4Jose Abreu1-3/+3
GMAC >= 4 also supports CBS. Lets enable the TC Ops for these versions. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Joao Pinto <jpinto@synopsys.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-08net: sched: act_nat: remove dependency on rtnl lockVlad Buslov1-6/+9
According to the new locking rule, we have to take tcf_lock for both ->init() and ->dump(), as RTNL will be removed. Use tcf spinlock to protect private nat action data from concurrent modification during dump. (nat init already uses tcf spinlock when changing action state) Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-08net: sched: act_skbedit: remove dependency on rtnl lockVlad Buslov1-9/+14
According to the new locking rule, we have to take tcf_lock for both ->init() and ->dump(), as RTNL will be removed. Use tcf lock to protect skbedit action struct private data from concurrent modification in init and dump. Use rcu swap operation to reassign params pointer under protection of tcf lock. (old params value is not used by init, so there is no need of standalone rcu dereference step) Remove rtnl lock assertion that is no longer required. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-08i40e(vf): remove i40e_ethtool_stats.h header fileJacob Keller4-444/+436
Essentially reverts commit 8fd75c58a09a ("i40e: move ethtool stats boiler plate code to i40e_ethtool_stats.h", 2018-08-30), and additionally moves the similar code in i40evf into i40evf_ethtool.c. The code was intially moved from i40e_ethtool.c into i40e_ethtool_stats.h as a way of better logically organizing the code. This has two problems. First, we can't have an inline function with variadic arguments on all platforms. Second, it gave the appearance that we had plans to share code between the i40e and i40evf drivers, due to having a near copy of the contents in the i40evf/i40e_ethtool_stats.h file. Patches which actually attempt to combine or share code between the i40e and i40evf drivers have not materialized, and are likely a ways off. Rather than fixing the one function which causes build issues, just move this code back into the i40e_ethtool.c and i40evf_ethtool.c files. Note that we also change these functions back from static inlines to just statics, since they're no longer in a header file. We can revisit this if/when work is done to actually attempt to share code between drivers. Alternatively, this stats code could be made more generic so that it can be shared across drivers as part of ethtool kernel work. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-07net: dsa: b53: Fix build with B53_SRAB enabled and not B53_SERDESFlorian Fainelli2-0/+9
In case B53_SRAB is enabled, but not B53_SERDES, we can get the following linking error: ERROR: "b53_serdes_init" [drivers/net/dsa/b53/b53_srab.ko] undefined! We also need to ifdef the body of b53_srab_serdes_map_lane() since it would not be used when B53_SERDES is disabled and that would produce a warning. Fixes: 0e01491de646 ("net: dsa: b53: Add SerDes support") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-07cxgb4: impose mandatory VLAN usage when non-zero TAG IDCasey Leedom2-0/+4
When a non-zero VLAN Tag ID is passed to t4_set_vlan_acl() then impose mandatory VLAN Usage with that VLAN ID. I.e any other VLAN ID should result in packets getting dropped. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-07liquidio: lio_fetch_vf_stats() can be statickbuild test robot1-1/+1
Fixes: 488752220b4a ("liquidio: Add spoof checking on a VF MAC address") Signed-off-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-07nfp: replace spin_lock_bh with spin_lock in tasklet callbackjun qian1-2/+2
As you are already in a tasklet, it is unnecessary to call spin_lock_bh. Signed-off-by: jun qian <hangdianqj@163.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-07net: dsa: Expose tagging protocol to user-spaceFlorian Fainelli4-0/+79
There is no way for user-space to know what a given DSA network device's tagging protocol is. Expose this information through a dsa/tagging attribute which reflects the tagging protocol currently in use. This is helpful for configuration (e.g: none behaves dramatically different wrt. bridges) as well as for packet capture tools when there is not a proper Ethernet type available. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-07freescale: ethernet: remove unnecessary unlikely()Igor Stoppa1-5/+3
Both WARN_ON() and WARN_ONCE() already contain an unlikely(), so it's not necessary to wrap it into another. Signed-off-by: Igor Stoppa <igor.stoppa@huawei.com> Cc: Madalin Bucur <madalin.bucur@nxp.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06bnxt_en: remove set but not used variable 'addr_type'YueHaibing1-15/+0
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c: In function 'bnxt_tc_parse_flow': drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c:186:6: warning: variable 'addr_type' set but not used [-Wunused-but-set-variable] Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06openvswitch: Derive IP protocol number for IPv6 later fragsYi-Hung Wei1-13/+9
Currently, OVS only parses the IP protocol number for the first IPv6 fragment, but sets the IP protocol number for the later fragments to be NEXTHDF_FRAGMENT. This patch tries to derive the IP protocol number for the IPV6 later frags so that we can match that. Signed-off-by: Yi-Hung Wei <yihung.wei@gmail.com> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06liquidio CN23XX: Remove set but not used variable 'ring_flag'YueHaibing1-3/+1
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c: In function 'cn23xx_setup_octeon_vf_device': drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c:619:20: warning: variable 'ring_flag' set but not used [-Wunused-but-set-variable] Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06liquidio: Add spoof checking on a VF MAC addressWeilin Chang8-12/+187
1. Provide the API to set/unset the spoof checking feature. 2. Add a function to periodically provide the count of found packets with spoof VF MAC address. 3. Prevent VF MAC address changing while the spoofchk of the VF is on unless the changing MAC address is issued from PF. Signed-off-by: Weilin Chang <weilin.chang@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06net: dsa: b53: Add SerDes supportFlorian Fainelli7-0/+490
Add support for the Northstar Plus SerDes which is accessed through a special page of the switch. Since this is something that most people probably will not want to use, make it a configurable option with a default on ARCH_BCM_NSP where it is the most useful currently. The SerDes supports both SGMII and 1000baseX modes for both lanes, and 2500baseX for one of the lanes, and is internally looking like a seemingly standard MII PHY, except for the few bits that got repurposed. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06net: dsa: b53: Add PHYLINK supportFlorian Fainelli2-0/+139
Add support for PHYLINK, things are reasonably straight forward since we do not yet support SerDes interfaces, that leaves us with just MLO_AN_PHY and MLO_AN_FIXED to deal with. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06net: dsa: b53: Add helper to set link parametersFlorian Fainelli1-29/+60
Extract the logic from b53_adjust_link() responsible for overriding a given port's link, speed, duplex and pause settings and make two helper functions to set the port's configuration and the port's link settings. We will make use of both, as separate functions while adding PHYLINK support next. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06net: dsa: b53: Make SRAB driver manage port interruptsFlorian Fainelli1-0/+105
Update the SRAB driver to manage per-port interrupts. Since we cannot sleep during b53_io_ops, schedule a workqueue whenever we get a port specific interrupt. We will later make use of this to call back into PHYLINK when there is e.g: a link state change. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06net: dsa: b53: Add ability to enable/disable port interruptsFlorian Fainelli2-0/+11
Some switches expose individual interrupt line(s) for port specific event(s), allow configuring these interrupts at an appropriate time during port_enable/disable callbacks where all port specific resources are known to be set-up and ready for use. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-06qed*: Utilize FW 8.37.7.0Denis Bolotin6-202/+367
This patch adds a new qed firmware with fixes and support for new features. Fixes: - Fix a rare case of device crash with iWARP, iSCSI or FCoE offload. - Fix GRE tunneled traffic when iWARP offload is enabled. - Fix RoCE failure in ib_send_bw when using inline data. - Fix latency optimization flow for inline WQEs. - BigBear 100G fix RDMA: - Reduce task context size. - Application page sizes above 2GB support. - Performance improvements. ETH: - Tenant DCB support. - Replace RSS indirection table update interface. Misc: - Debug Tools changes. Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com> Signed-off-by: Ariel Elior <ariel.elior@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-05ipv6: add inet6_fill_argsChristian Brauner1-34/+55
inet6_fill_if{addr,mcaddr, acaddr}() already took 6 arguments which meant the 7th argument would need to be pushed onto the stack on x86. Add a new struct inet6_fill_args which holds common information passed to inet6_fill_if{addr,mcaddr, acaddr}() and shortens the functions to three pointer arguments. Signed-off-by: Christian Brauner <christian@brauner.io> Cc: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-05ipv4: add inet_fill_argsChristian Brauner1-15/+33
inet_fill_ifaddr() already took 6 arguments which meant the 7th argument would need to be pushed onto the stack on x86. Add a new struct inet_fill_args which holds common information passed to inet_fill_ifaddr() and shortens the function to three pointer arguments. Signed-off-by: Christian Brauner <christian@brauner.io> Cc: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-05rtnetlink: s/IFLA_IF_NETNSID/IFLA_TARGET_NETNSID/gChristian Brauner1-16/+16
IFLA_TARGET_NETNSID is the new alias for IFLA_IF_NETNSID. This commit replaces all occurrences of IFLA_IF_NETNSID with the new alias to indicate that this identifier is the preferred one. Signed-off-by: Christian Brauner <christian@brauner.io> Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com> Cc: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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