- 14 12月, 2011 15 次提交
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由 Jack Morgenstein 提交于
Passing async events to slaves: In SRIOV mode, each slave creates its own async EQ, but only the master can register directly with the FW to receive async events. Async events which should be passed to slaves (such as a WQ_ACCESS_ERROR for a QP owned by a slave) are generated at the slave by the master using the GEN_EQE FW command. Wrapper functions: mlx4_MAP_EQ_wrapper Only the master can map an EQ. The slave commands to map their EQs arrive at the master via the comm channel. The master then invokes the wrapper function to do the work (and enter the resource in the tracking database). New events: COMM_CHANNEL and FLR The COMM_CHANNEL event arrives only at the master, and signals that a slave has posted a command on the comm channel. The FLR event is generated by the FW when a guest operating a VF unexpectedly goes down. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
MTTs are resources which are allocated and tracked by the PF driver. In multifunction mode, the allocation and icm mapping is done in the resource tracker (later patch in this sequence). To accomplish this, we have "work" functions whose names start with "__", and "request" functions (same name, no __). If we are operating in multifunction mode, the request function actually results in comm-channel commands being sent (ALLOC_RES or FREE_RES). The PF-driver comm-channel handler will ultimately invoke the "work" (__) function and return the result. If we are not in multifunction mode, the "work" handler is invoked immediately. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
CQs are resources which are allocated and tracked by the PF driver. In multifunction mode, the allocation and icm mapping is done in the resource tracker (later patch in this sequence). To accomplish this, we have "work" functions whose names start with "__", and "request" functions (same name, no __). If we are operating in multifunction mode, the request function actually results in comm-channel commands being sent (ALLOC_RES or FREE_RES). The PF-driver comm-channel handler will ultimately invoke the "work" (__) function and return the result. If we are not in multifunction mode, the "work" handler is invoked immediately. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
QPs are resources which are allocated and tracked by the PF driver. In multifunction mode, the allocation and icm mapping is done in the resource tracker (later patch in this sequence). To accomplish this, we have "work" functions whose names start with "__", and "request" functions (same name, no __). If we are operating in multifunction mode, the request function actually results in comm-channel commands being sent (ALLOC_RES or FREE_RES). The PF-driver comm-channel handler will ultimately invoke the "work" (__) function and return the result. If we are not in multifunction mode, the "work" handler is invoked immediately. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
SRQs are resources which are allocated and tracked by the PF driver. In multifunction mode, the allocation and icm mapping is done in the resource tracker (later patch in this sequence). To accomplish this, we have "work" functions whose names start with "__", and "request" functions (same name, no __). If we are operating in multifunction mode, the request function actually results in comm-channel commands being sent (ALLOC_RES or FREE_RES). The PF-driver comm-channel handler will ultimately invoke the "work" (__) function and return the result. If we are not in multifunction mode, the "work" handler is invoked immediately. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Marcel Apfelbaum 提交于
The following commands are added here: 1. QUERY_FUNC_CAP and its wrapper. This function is used by VFs when they start up to receive configuration information from the PF, such as resource quotas for this VF, which ports should be used (currently two), what protocol is running on the port (currently Ethernet ONLY, or port not active). 2. QUERY_PORT and its wrapper. Previously, this FW command was invoked directly by the ETH driver (en_port.c) using mlx4_cmd_box. Virtualization is now required here (the VF's MAC address must be substituted for the PFs MAC address returned by the FW). We changed the invocation in the ETH driver to use mlx4_QUERY_PORT, and added the wrapper. 3. QUERY_HCA. Used by the VF to determine how the HCA was initialized. For now, we need only the multicast table member entry size (log2_mc_table_entry_sz, in the ConnectX PRM). No wrapper is needed here, because the data may be passed as is to the VF without modification). In this command, we have added a GLOBAL_CAPS field for passing required configuration information from FW to a VF (this field is to allow safely adding new SRIOV capabilities which require support in VF drivers, too). Bits will set here by FW in response to PF-driver configuration commands which will activate as yet undefined new SRIOV features. The VF will test to see that all required capabilities indicated by this field are supported (i.e., if a bit is set and the VF driver does not recognize that bit, it must abort its initialization). Currently, no bits are set. 4. Added a CLOSE_PORT wrapper. The PF context needs to keep track of how many VF contexts have the port open. The PF context will not actually issue the FW close port command until the last port user issues a CLOSE_PORT request. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NYevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: NMarcel Apfelbaum <marcela@mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yevgeny Petrilin 提交于
When SRIOV is enabled, pf and vfs communicate via shared comm channel. The vf gets its side of the comm channel via a VF BAR. Each VF (slave) creates its vHCR (virtual HCA Command Register), Its DMA address is passed to the PF (master) using Communication Channel Register. The same Register is used to notify the master of commands posted by the slaves and for the master to pass events to the slaves, such as command completions and asynchronous events. The vHCR format is identical to the HCR format, except for the 'go' and 't' bits, which are reserved in the vHCR. Posting commands to the vHCR is identical to the way it is done with the HCR, albeit that the function/PF token fields are used instead of the HCR go bit. Specifically: - When the function prepares a new command in the vHCR, it issues the Post_vHCR_cmd communication channel command and toggles the value of the function token; when PF token has an equal value, the command has been accepted and a new command may be posted. - When the PF detects a Post_vHCR_cmd command, it concludes that a new command is available in the vHCR; after processing the command, the PF toggles the PF token to match the function token. When the 'e' bit is not set, the completion of a Post_vHCR_cmd command also indicates the completion the vHCR command. If, however, the 'e' bit is set, the completion of a Post_vHCR_cmd command only indicates that the vHCR command has been accepted for execution by the PF. Function commands are processed by the PF as follows: -DMA (using the ACCESS_MEM command) the vHCR image into a shadow buffer. -Validate that the opcode is non-privileged, and that the opcode- and input-modifiers are legal. -DMA the in-box (if required) into a shadow buffer. -Validate the command: o Resource ranges (e.g., QP ranges). o Partition key. o Ranges of referenced resources (e.g., CQs within QP contexts). -If the 'e' bit is set o complete the Post_vHCR_cmd command -Execute the command on the HCR. -DMA the results to the vHCR out-box (if required). -If the 'e' bit is set o Indicate command completion by generating a completion event using the GEN_EQE command -Otherwise o DMA the command status to the vHCR o Complete the Post_vHCR_cmd command Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NYevgeny Petrillin <yevgenyp@mellanox.com> Signed-off-by: NLiran Liss <liranl@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
When SRIOV is enabled on the chip (at FW burning time), the HCA uses only 17 bits for the PD. The remaining 7 high-order bits are ignored. Change the allocator to return only 17 bits for the PD. The MSB 7 bits will be used to encode the slave number for consistency checking later on in the resource tracker. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
For SRIOV, some Hypervisor commands can be executed directly (native = 1). Others should go through the command wrapper flow (for tracking resource usage, for example, or for changing some HCA configurations that slaves need to be notified of). This patch sets the groundwork for this capability -- adding the correct value of "native" in each case. Note that if SRIOV is not activated, this parameter has no effect. Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
Port mask now has additional state. Port can be set as "none". In this case neither the mlx4_en or mlx4_ib drivers take ownership of the port. In multifunction mode there is an option to set the vfs as single ported devices. (in single function mode, both physical ports belong to same function) Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NYevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
These changes will not affect module operation as yet. They are only to get some structs and enums in place for use by subsequent patches (making those smaller). Added here: * sriov state structs and inlines (mlx4_is_master/slave/mfunc) * comm-channel and vhcr support structures * enum values for new FW and comm-channel virtual commands (i.e., commands, passed via the comm channel to the PF-driver). * prototypes for many command wrapper functions (used by the PF context for processing FW commands passed to it by the VFs). * struct mlx4_eqe is moved from eq.c to mlx4.h (it will be used by other mlx4_core source files). Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
Reported-by: NChristoph Paasch <christoph.paasch@uclouvain.be> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sathya Perla 提交于
- use adapter->num_vfs (and not the module param) to store the actual number of vfs created. Use the same variable to reflect SRIOV enable/disable state. So, drop the adapter->sriov_enabled field. - use for_all_vfs() macro in VF configuration code - drop the "vf_" prefix for the fields of be_vf_cfg; the prefix is redundant and removing it helps reduce line wrap Signed-off-by: NSathya Perla <sathya.perla@emulex.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sathya Perla 提交于
The ethtool "-g" option is supposed to report the max queue length and user modified queue length for RX and TX queues. be2net doesn't support user modification of queue lengths. So, the correct values for these would be the max numbers. be2net incorrectly reports the queue used values for these fields. Signed-off-by: NSathya Perla <sathya.perla@emulex.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dmitry Kravkov 提交于
Since commit e52fcb24 newly allocated skb for small packets are not updated properly and dropped by stack. Signed-off-by: NDmitry Kravkov <dmitry@broadcom.com> Signed-off-by: NEilon Greenstein <eilong@broadcom.com> Acked-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 12月, 2011 13 次提交
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由 Hagen Paul Pfeifer 提交于
This extension can be used to simulate special link layer characteristics. Simulate because packet data is not modified, only the calculation base is changed to delay a packet based on the original packet size and artificial cell information. packet_overhead can be used to simulate a link layer header compression scheme (e.g. set packet_overhead to -20) or with a positive packet_overhead value an additional MAC header can be simulated. It is also possible to "replace" the 14 byte Ethernet header with something else. cell_size and cell_overhead can be used to simulate link layer schemes, based on cells, like some TDMA schemes. Another application area are MAC schemes using a link layer fragmentation with a (small) header each. Cell size is the maximum amount of data bytes within one cell. Cell overhead is an additional variable to change the per-cell-overhead (e.g. 5 byte header per fragment). Example (5 kbit/s, 20 byte per packet overhead, cell-size 100 byte, per cell overhead 5 byte): tc qdisc add dev eth0 root netem rate 5kbit 20 100 5 Signed-off-by: NHagen Paul Pfeifer <hagen@jauu.net> Signed-off-by: NFlorian Westphal <fw@strlen.de> Acked-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch introduces kmem.tcp.max_usage_in_bytes file, living in the kmem_cgroup filesystem. The root cgroup will display a value equal to RESOURCE_MAX. This is to avoid introducing any locking schemes in the network paths when cgroups are not being actively used. All others, will see the maximum memory ever used by this cgroup. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NHiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch introduces kmem.tcp.failcnt file, living in the kmem_cgroup filesystem. Following the pattern in the other memcg resources, this files keeps a counter of how many times allocation failed due to limits being hit in this cgroup. The root cgroup will always show a failcnt of 0. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NHiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch introduces kmem.tcp.usage_in_bytes file, living in the kmem_cgroup filesystem. It is a simple read-only file that displays the amount of kernel memory currently consumed by the cgroup. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NHiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch uses the "tcp.limit_in_bytes" field of the kmem_cgroup to effectively control the amount of kernel memory pinned by a cgroup. This value is ignored in the root cgroup, and in all others, caps the value specified by the admin in the net namespaces' view of tcp_sysctl_mem. If namespaces are being used, the admin is allowed to set a value bigger than cgroup's maximum, the same way it is allowed to set pretty much unlimited values in a real box. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NHiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch allows each namespace to independently set up its levels for tcp memory pressure thresholds. This patch alone does not buy much: we need to make this values per group of process somehow. This is achieved in the patches that follows in this patchset. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch introduces memory pressure controls for the tcp protocol. It uses the generic socket memory pressure code introduced in earlier patches, and fills in the necessary data in cg_proto struct. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtisu.com> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
The goal of this work is to move the memory pressure tcp controls to a cgroup, instead of just relying on global conditions. To avoid excessive overhead in the network fast paths, the code that accounts allocated memory to a cgroup is hidden inside a static_branch(). This branch is patched out until the first non-root cgroup is created. So when nobody is using cgroups, even if it is mounted, no significant performance penalty should be seen. This patch handles the generic part of the code, and has nothing tcp-specific. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtsu.com> CC: Kirill A. Shutemov <kirill@shutemov.name> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> CC: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch replaces all uses of struct sock fields' memory_pressure, memory_allocated, sockets_allocated, and sysctl_mem to acessor macros. Those macros can either receive a socket argument, or a mem_cgroup argument, depending on the context they live in. Since we're only doing a macro wrapping here, no performance impact at all is expected in the case where we don't have cgroups disabled. Signed-off-by: NGlauber Costa <glommer@parallels.com> Reviewed-by: NHiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> CC: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Glauber Costa 提交于
This patch lays down the foundation for the kernel memory component of the Memory Controller. As of today, I am only laying down the following files: * memory.independent_kmem_limit * memory.kmem.limit_in_bytes (currently ignored) * memory.kmem.usage_in_bytes (always zero) Signed-off-by: NGlauber Costa <glommer@parallels.com> CC: Kirill A. Shutemov <kirill@shutemov.name> CC: Paul Menage <paul@paulmenage.org> CC: Greg Thelen <gthelen@google.com> CC: Johannes Weiner <jweiner@redhat.com> CC: Michal Hocko <mhocko@suse.cz> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Laszlo Ersek 提交于
After a guest is live migrated, the xen-netfront driver emits a gratuitous ARP message, so that networking hardware on the target host's subnet can take notice, and public routing to the guest is re-established. However, if the packet appears on the backend interface before the backend is added to the target host's bridge, the packet is lost, and the migrated guest's peers become unable to talk to the guest. A sufficient two-parts condition to prevent the above is: (1) ensure that the backend only moves to Connected xenbus state after its hotplug scripts completed, ie. the netback interface got added to the bridge; and (2) ensure the frontend only queues the gARP when it sees the backend move to Connected. These two together provide complete ordering. Sub-condition (1) is already satisfied by commit f942dc25 in Linus' tree, based on commit 6b0b80ca7165 from [1]. In general, the full condition is sufficient, not necessary, because, according to [2], live migration has been working for a long time without satisfying sub-condition (2). However, after 6b0b80ca7165 was backported to the RHEL-5 host to ensure (1), (2) still proved necessary in the RHEL-6 guest. This patch intends to provide (2) for upstream. The Reviewed-by line comes from [3]. [1] git://xenbits.xen.org/people/ianc/linux-2.6.git#upstream/dom0/backend/netback-history [2] http://old-list-archives.xen.org/xen-devel/2011-06/msg01969.html [3] http://old-list-archives.xen.org/xen-devel/2011-07/msg00484.htmlSigned-off-by: NLaszlo Ersek <lersek@redhat.com> Reviewed-by: NIan Campbell <ian.campbell@citrix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John W. Linville 提交于
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
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- 12 12月, 2011 6 次提交
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由 Sven Eckelmann 提交于
Don't write more than the requested number of bytes of an batman-adv icmp packet to the userspace buffer. Otherwise unrelated userspace memory might get overridden by the kernel. Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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由 Sven Eckelmann 提交于
The access_ok read check can be directly done in copy_from_user since a failure of access_ok is handled the same way as an error in __copy_from_user. Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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由 Paul Kot 提交于
Writing a icmp_packet_rr and then reading icmp_packet can lead to kernel memory corruption, if __user *buf is just below TASK_SIZE. Signed-off-by: NPaul Kot <pawlkt@gmail.com> [sven@narfation.org: made it checkpatch clean] Signed-off-by: NSven Eckelmann <sven@narfation.org> Signed-off-by: NMarek Lindner <lindner_marek@yahoo.de>
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由 Eric Dumazet 提交于
Instead of testing defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ajit Khaparde 提交于
disable Tx vlan offloading in certain cases. Signed-off-by: NAjit Khaparde <ajit.khaparde@emulex.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ajit Khaparde 提交于
update pmem_fifo_overflow_drop, rx_priority_pause_frames counters. Signed-off-by: NAjit Khaparde <ajit.khaparde@emulex.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 12月, 2011 2 次提交
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由 Pavel Emelyanov 提交于
Wrap the udp6 lookup into the proper ifdef-s. Signed-off-by: NPavel Emelyanov <xemul@parallels.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pavel Emelyanov 提交于
Eric Dumazet reported, that when inet_diag is built-in the udp_diag also goes built-in and when ipv6 is a module the udp6 lookup symbol is not found. LD .tmp_vmlinux1 net/built-in.o: In function `udp_dump_one': udp_diag.c:(.text+0xa2b40): undefined reference to `__udp6_lib_lookup' make: *** [.tmp_vmlinux1] Erreur 1 Fix this by making udp diag build mode depend on both -- inet diag and ipv6. Reported-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NPavel Emelyanov <xemul@parallels.com> Acked-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 12月, 2011 4 次提交
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由 Nikolay Martynov 提交于
It looks like the regression was introduced between 20111202 and 20111205 (linux-next tree). Symptoms: connection to AP seem to be established, but no data goes though it in any way. Tested on intel 5300. Peek at the changes have shown that it looks like at least part of the code wasn't merged properly. It was originally committed into iwl_agn.c but code in question was moved to iwl-mac80211.c. This patch puts code in place and my card works again. Signed-off-by: NNikolay Martynov <mar.kolya@gmail.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 John W. Linville 提交于
CC [M] drivers/net/wireless/wl12xx/tx.o drivers/net/wireless/wl12xx/tx.c: In function ‘wl1271_tx_fill_hdr’: drivers/net/wireless/wl12xx/tx.c:288:6: warning: ‘tx_attr’ may be used uninitialized in this function Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Pavel Emelyanov 提交于
Copy-s/tcp/udp/-paste from TCP bits. Signed-off-by: NPavel Emelyanov <xemul@parallels.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pavel Emelyanov 提交于
Do the same as TCP does -- iterate the given udp_table, filter sockets with bytecode and dump sockets into reply message. The same filtering as for TCP applies, though only some of the state bits really matter. Signed-off-by: NPavel Emelyanov <xemul@parallels.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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