- 14 4月, 2016 5 次提交
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由 Andrew Lunn 提交于
The drivers now allocate their own memory for private usage. Remove the allocation from the core code. Signed-off-by: NAndrew Lunn <andrew@lunn.ch> Acked-by: NFlorian Fainelli <f.fainelli@gmail.com> Tested-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andrew Lunn 提交于
Now the switch devices have a dev pointer, make use of it for allocating the drivers private data structures using a devm_kzalloc(). Signed-off-by: NAndrew Lunn <andrew@lunn.ch> Acked-by: NFlorian Fainelli <f.fainelli@gmail.com> Tested-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andrew Lunn 提交于
By passing a device structure to the switch devices, it allows them to use devm_* methods for resource management. Signed-off-by: NAndrew Lunn <andrew@lunn.ch> Acked-by: NFlorian Fainelli <f.fainelli@gmail.com> Tested-by: NVivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Merge tag 'mac80211-next-for-davem-2016-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== To synchronize with Kalle, here's just a big change that affects all drivers - removing the duplicated enum ieee80211_band and replacing it by enum nl80211_band. On top of that, just a small documentation update. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jon Paul Maloy 提交于
We remove a couple of leftover fields in struct tipc_bearer. Those were used by the old broadcast implementation, and are not needed any longer. There is no functional changes in this commit. Acked-by: NYing Xue <ying.xue@windriver.com> Signed-off-by: NJon Maloy <jon.maloy@ericsson.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 4月, 2016 12 次提交
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由 David S. Miller 提交于
John Crispin says: ==================== net: mediatek: make the driver pass stress tests While testing the driver we managed to get the TX path to stall and fail to recover. When dual MAC support was added to the driver, the whole queue stop/wake code was not properly adapted. There was also a regression in the locking of the xmit function. The fact that watchdog_timeo was not set and that the tx_timeout code failed to properly reset the dma, irq and queue just made the mess complete. This series make the driver pass stress testing. With this series applied the testbed has been running for several days and still has not locked up. We have a second setup that has a small hack patch applied to randomly stop irqs and/or one of the queues and successfully manages to recover from these simulated tx stalls. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
The QID field gets set to the mac id. This made the DMA linked list queue the traffic of each MAC on a different internal queue. However during long term testing we found that this will cause traffic stalls as the multi queue setup requires a more complete initialisation which is not part of the upstream driver yet. This patch removes the code setting the QID field, resulting in all traffic ending up in queue 0 which works without any special setup. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
The worker always touches both netdevs. It is ethernet core and not MAC specific. We only need one worker, which belongs into the ethernets core struct. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
The driver supports 2 MACs. Both run on the same DMA ring. If we hit a TX timeout we need to stop both netdevs before restarting them again. If we don't do this, mtk_stop() wont shutdown DMA and the consecutive call to mtk_open() wont restart DMA and enable IRQs. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
Inside the TX path there is a lock inside the tx_map function. This is however too late. The patch moves the lock to the start of the xmit function right before the free count check of the DMA ring happens. If we do not do this, the code becomes racy leading to TX stalls and dropped packets. This happens as there are 2 netdevs running on the same physical DMA ring. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
The driver supports 2 MACs. Both run on the same DMA ring. If we go above/below the TX rings threshold value, we always need to wake/stop the queue of both devices. Not doing to can cause TX stalls and packet drops on one of the devices. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
HW reset is triggered in the mtk_hw_init() function. There is no need to also reset the core during probe. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
The code used to also support the PDMA engine, which had 2 packet pointers per descriptor. Because of this we had to divide the result by 2 and round it up. This is no longer needed as the code only supports QDMA. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Crispin 提交于
The original commit failed to set watchdog_timeo. This patch sets watchdog_timeo to HZ. Signed-off-by: NJohn Crispin <blogic@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next由 David S. Miller 提交于
Pablo Neira Ayuso says: ==================== Netfilter updates for net-next The following patchset contains the first batch of Netfilter updates for your net-next tree. 1) Define pr_fmt() in nf_conntrack, from Weongyo Jeong. 2) Define and register netfilter's afinfo for the bridge family, this comes in preparation for native nfqueue's bridge for nft, from Stephane Bryant. 3) Add new attributes to store layer 2 and VLAN headers to nfqueue, also from Stephane Bryant. 4) Parse new NFQA_VLAN and NFQA_L2HDR nfqueue netlink attributes coming from userspace, from Stephane Bryant. 5) Use net->ipv6.devconf_all->hop_limit instead of hardcoded hop_limit in IPv6 SYNPROXY, from Liping Zhang. 6) Remove unnecessary check for dst == NULL in nf_reject_ipv6, from Haishuang Yan. 7) Deinline ctnetlink event report functions, from Florian Westphal. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Westphal 提交于
Not performance critical, it is only invoked when an expectation is added/destroyed. While at it, kill unused nf_ct_expect_event() wrapper. Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>
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由 Florian Westphal 提交于
Way too large; move it to nf_conntrack_ecache.c. Reduces total object size by 1216 byte on my machine. Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>
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- 12 4月, 2016 23 次提交
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由 David S. Miller 提交于
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Johan Hedberg says: ==================== pull request: bluetooth-next 2016-04-12 Here's a set of Bluetooth & 802.15.4 patches intended for the 4.7 kernel: - Fix for race condition in vhci driver - Memory leak fix for ieee802154/adf7242 driver - Improvements to deal with single-mode (LE-only) Bluetooth controllers - Fix for allowing the BT_SECURITY_FIPS security level - New BCM2E71 ACPI ID - NULL pointer dereference fix fox hci_ldisc driver Let me know if there are any issues pulling. Thanks. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Johannes Berg 提交于
This enum is already perfectly aliased to enum nl80211_band, and the only reason for it is that we get IEEE80211_NUM_BANDS out of it. There's no really good reason to not declare the number of bands in nl80211 though, so do that and remove the cfg80211 one. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Jouni Malinen 提交于
The roaming cases for the Connect command were not fully covered and neither Connect nor Associate command uses of the prev_bssid parameter were very clear. Add details to describe how the prev_bssid argument is supposed to be used and when the driver should use association or reassociation. Signed-off-by: NJouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Andrew Lunn 提交于
MDIO devices can be stacked upon each other. The current code supports two levels, which until recently has been enough for a DSA mdio bus on top of another bus. Now we have hardware which has an MDIO mux in the middle. Define an MDIO MUTEX class with three levels. Signed-off-by: NAndrew Lunn <andrew@lunn.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
David Howells says: ==================== RxRPC: 2nd rewrite part 1 Okay, I'm in the process of rewriting the RxRPC rewrite. The primary aim of this second rewrite is to strictly control the number of active connections we know about and to get rid of connections we don't need much more quickly. On top of this, there are fixes to the protocol handling which will all occur in later parts. Here's the first set of patches from the second go, aimed at net-next. These are all fixes and cleanups preparatory to the main event. Notable parts of this set include: (1) A fix for the AFS filesystem to wait for outstanding calls to complete before closing the RxRPC socket. (2) Differentiation of local and remote abort codes. At a future point userspace will get to see this via control message data on recvmsg(). (3) Absorb the rxkad module into the af_rxrpc module to prevent a dependency loop. (4) Create a null security module and unconditionalise calls into the security module that's in force (there will always be a security module applied to a connection, even if it's just the null one). ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
Create a null security type for security index 0 and get rid of all conditional calls to the security operations. We expect normally to be using security, so this should be of little negative impact. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
Absorb the rxkad security module into the af_rxrpc module so that there's only one module file. This avoids a circular dependency whereby rxkad pins af_rxrpc and cached connections pin rxkad but can't be manually evicted (they will expire eventually and cease pinning). With this change, af_rxrpc can just be unloaded, despite having cached connections. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
Don't assume transport address family and size when using the peer address to send a packet. Instead, use the start of the transport address rather than any particular element of the union and use the transport address length noted inside the sockaddr_rxrpc struct. This will be necessary when IPv6 support is introduced. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
Don't pass gfp around in incoming call handling functions, but rather hard code it at the points where we actually need it since the value comes from within the rxrpc driver and is always the same. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
In the rxrpc_connection and rxrpc_call structs, there's one field to hold the abort code, no matter whether that value was generated locally to be sent or was received from the peer via an abort packet. Split the abort code fields in two for cleanliness sake and add an error field to hold the Linux error number to the rxrpc_call struct too (sometimes this is generated in a context where we can't return it to userspace directly). Furthermore, add a skb mark to indicate a packet that caused a local abort to be generated so that recvmsg() can pick up the correct abort code. A future addition will need to be to indicate to userspace the difference between aborts via a control message. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
Static arrays of strings should be const char *const[]. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
Move some miscellaneous bits out into their own file to make it easier to split the call handling. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
Disable a debugging statement that has been left enabled Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Howells 提交于
The afs filesystem needs to wait for any outstanding asynchronous calls (such as FS.GiveUpCallBacks cleaning up the callbacks lodged with a server) to complete before closing the AF_RXRPC socket when unloading the module. This may occur if the module is removed too quickly after unmounting all filesystems. This will produce an error report that looks like: AFS: Assertion failed 1 == 0 is false 0x1 == 0x0 is false ------------[ cut here ]------------ kernel BUG at ../fs/afs/rxrpc.c:135! ... RIP: 0010:[<ffffffffa004111c>] afs_close_socket+0xec/0x107 [kafs] ... Call Trace: [<ffffffffa004a160>] afs_exit+0x1f/0x57 [kafs] [<ffffffff810c30a0>] SyS_delete_module+0xec/0x17d [<ffffffff81610417>] entry_SYSCALL_64_fastpath+0x12/0x6b Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Willem de Bruijn says: ==================== net: fix udp pull header breakage Commit e6afc8ac ("udp: remove headers from UDP packets before queueing") modified udp receive processing to pull headers before enqueue and to not expect them on dequeue. The patch missed protocols on top of udp with in-kernel implementations that have their own skb_recv_datagram calls and dequeue logic. Modify these datapaths to also no longer expect a udp header at skb->data. Sunrpc and rxrpc are the only two protocols that call this function and contain references to udphr (some others, like tipc, are based on encap_rcv, which acts before enqueue, before the the header pull). ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Willem de Bruijn 提交于
Commit e6afc8ac modified the udp receive path by pulling the udp header before queuing an skbuff onto the receive queue. Rxrpc also calls skb_recv_datagram to dequeue an skb from a udp socket. Modify this receive path to also no longer expect udp headers. Fixes: e6afc8ac ("udp: remove headers from UDP packets before queueing") Signed-off-by: NWillem de Bruijn <willemb@google.com> Tested-by: NThierry Reding <treding@nvidia.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Willem de Bruijn 提交于
Commit e6afc8ac modified the udp receive path by pulling the udp header before queuing an skbuff onto the receive queue. Sunrpc also calls skb_recv_datagram to dequeue an skb from a udp socket. Modify this receive path to also no longer expect udp headers. Fixes: e6afc8ac ("udp: remove headers from UDP packets before queueing") Reported-by: NFranklin S Cooper Jr. <fcooper@ti.com> Signed-off-by: NWillem de Bruijn <willemb@google.com> Tested-by: NThierry Reding <treding@nvidia.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David Ahern 提交于
Multipath route lookups should consider knowledge about next hops and not select a hop that is known to be failed. Example: [h2] [h3] 15.0.0.5 | | 3| 3| [SP1] [SP2]--+ 1 2 1 2 | | /-------------+ | | \ / | | X | | / \ | | / \---------------\ | 1 2 1 2 12.0.0.2 [TOR1] 3-----------------3 [TOR2] 12.0.0.3 4 4 \ / \ / \ / -------| |-----/ 1 2 [TOR3] 3| | [h1] 12.0.0.1 host h1 with IP 12.0.0.1 has 2 paths to host h3 at 15.0.0.5: root@h1:~# ip ro ls ... 12.0.0.0/24 dev swp1 proto kernel scope link src 12.0.0.1 15.0.0.0/16 nexthop via 12.0.0.2 dev swp1 weight 1 nexthop via 12.0.0.3 dev swp1 weight 1 ... If the link between tor3 and tor1 is down and the link between tor1 and tor2 then tor1 is effectively cut-off from h1. Yet the route lookups in h1 are alternating between the 2 routes: ping 15.0.0.5 gets one and ssh 15.0.0.5 gets the other. Connections that attempt to use the 12.0.0.2 nexthop fail since that neighbor is not reachable: root@h1:~# ip neigh show ... 12.0.0.3 dev swp1 lladdr 00:02:00:00:00:1b REACHABLE 12.0.0.2 dev swp1 FAILED ... The failed path can be avoided by considering known neighbor information when selecting next hops. If the neighbor lookup fails we have no knowledge about the nexthop, so give it a shot. If there is an entry then only select the nexthop if the state is sane. This is similar to what fib_detect_death does. To maintain backward compatibility use of the neighbor information is based on a new sysctl, fib_multipath_use_neigh. Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com> Reviewed-by: NJulian Anastasov <ja@ssi.bg> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Grygorii Strashko says: ==================== drivers: net: cpsw: fix ale calls and drop host_port field from cpsw_priv This clean up series intended to: - fix port_mask parameters in ale calls and drop unnecessary shifts - drop host_port field from struct cpsw_priv ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Grygorii Strashko 提交于
The host_port field is constantly assigned to 0 and this value has never changed (since time when cpsw driver was introduced. More over, if this field will be assigned to non 0 value it will break current driver functionality. Hence, there are no reasons to continue maintaining this host_port field and it can be removed, and the HOST_PORT_NUM and ALE_PORT_HOST defines can be used instead. Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Grygorii Strashko 提交于
ALE APIs expect to receive port masks as input values for arguments port_mask, untag, reg_mcast, unreg_mcast. But there are few places in code where port masks are passed left-shifted by cpsw_priv->host_port, like below: cpsw_ale_add_vlan(priv->ale, priv->data.default_vlan, ALE_ALL_PORTS << priv->host_port, ALE_ALL_PORTS << priv->host_port, 0, 0); and cpsw is still working just because priv->host_port == 0 and has never ever been changed. Hence, fix port_mask parameters in ALE APIs calls and drop "<< priv->host_port" from all places where it's used to shift valid port mask. Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Benc 提交于
The protocol is 16bit, not 32bit. Fixes: e1e5314d ("vxlan: implement GPE") Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NJiri Benc <jbenc@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Vaishali Thakkar 提交于
Use the function resource_size instead of explicit computation. Problem found using Coccinelle. Signed-off-by: NVaishali Thakkar <vaishali.thakkar@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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