- 01 5月, 2020 15 次提交
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由 Karsten Graul 提交于
The connection layer in af_smc.c is now using the new LLC flow framework, which made the link state DELETING obsolete. Remove the state and the respective helpers. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
The new SMC-R multiple link support will support a maximum of 3 links, and one CONFIRM_RKEY LLC message can transport 3 rkeys of an rmb buffer. There is no need for the LLC message type CONFIRM_RKEY_CONTINUE which is needed when more than 3 rkeys per rmb buffer needs to be exchanged. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Use the LLC flow framework for the processing of DELETE_RKEY messages that were received from the peer. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Use the LLC flow framework for the processing of CONFIRM_RKEY messages that were received from the peer. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Introduce smc_rtoken_set() to set the rtoken for a new link to an existing rmb whose rtoken is given, and smc_rtoken_set2() to set an rtoken for a new link whose link_id is given. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Get rid of the extra function and move the two-liner for the TEST_LINK response processing into the event handler function. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Adapt smc_llc_do_delete_rkey() to use the LLC flow and support multiple links when deleting the rkeys for rmb buffers at the peer. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Adapt smc_llc_do_confirm_rkey() to use the LLC flow and support the rkeys of multiple links when the CONFIRM_RKEY LLC message is build. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Change the code that processes the SMC client part of connection establishment to use the LLC flow framework (CONFIRM_LINK request messages). Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Change the code that processes the SMC server part of connection establishment to use the LLC flow framework (CONFIRM_LINK response messages). Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Introduce smc_llc_eval_conf_link() to evaluate the CONFIRM_LINK message contents. This implements this logic at the LLC layer. The function will be used by af_smc.c to process the received LLC layer messages. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Add a type field to the link group which reflects the current link group redundancy state. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Introduce smc_llc_enqueue() to enqueue LLC messages, and adapt smc_llc_rx_handler() to enqueue all received LLC messages. smc_llc_enqueue() also makes it possible to enqueue LLC messages from local code. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
The new framework allows to start specific types of LLC control flows, protects active flows and makes it possible to wait for flows to finish before starting a new flow. This mechanism is used for the LLC control layer to model flows like 'add link' or 'delete link' which need to send/receive several LLC messages and are not allowed to get interrupted by the wrong type of messages. 'Add link' or 'Delete link' messages arriving in the middle of a flow are delayed and processed when the current flow finished. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yunjian Wang 提交于
The method ndo_start_xmit() returns a value of type netdev_tx_t. Fix the ndo function to use the correct type. Signed-off-by: NYunjian Wang <wangyunjian@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 30 4月, 2020 16 次提交
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由 Karsten Graul 提交于
Introduce smc_llc_lgr_init() and smc_llc_lgr_clear() to implement all llc layer specific initialization and cleanup in module smc_llc.c. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
The locks for sndbufs and rmbs are never used from atomic context. Using a mutex for these locks will allow to nest locks with other mutexes. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
When llc responses are received then possible waiters for this response are to be notified. This can be done in tasklet context, without to use a work in the llc work queue. Move all code that handles llc responses into smc_llc_rx_response(). Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Incoming llc messages are processed in irq tasklet context, and a worker is used to send outgoing messages. The worker is needed because getting a send buffer could result in a wait for a free buffer. To make sure all incoming llc messages are processed in a serialized way introduce an event queue and create a new queue entry for each message which is queued to this event queue. A new worker processes the event queue entries in order. And remove the use of a separate worker to send outgoing llc messages because the messages are processed in worker context already. With this event queue the serialized llc_wq work queue is obsolete, remove it. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Cancel the testlink worker during link clear processing and remove the extra function smc_llc_link_inactive(). Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
The testlink work waits for a response to the testlink request and blocks the single threaded llc_wq. This type of work does not have to be serialized and can be moved to the system work queue. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Before a link can be reused it must have been cleared. Lowest current link state is INACTIVE, which does not mean that the link is already cleared. Add a new state UNUSED that is set when the link is cleared and can be reused. Add helper smc_llc_usable_link() to find an active link in a link group, and smc_link_usable() to determine if a link is usable. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Extend smc_rmb_rtoken_handling() and smc_rtoken_delete() to support multiple links. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
As a preparation for the support of multiple links remove the usage of a static link id (SMC_SINGLE_LINK) and allow dynamic link ids. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
As a preparation for the support of multiple links remove the usage of a static link id (SMC_SINGLE_LINK) and allow dynamic link ids. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
The link_id is the index of the link in the array of the link group. When a link in the array is reused for a new link, a different unique link_id should be used, otherwise the index in the array could collide with the previous link at this array position. Use a new variable link_idx as array index, and make link_id an increasing unique id value. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
Move the initialization of a new link into its own function, separate from smc_lgr_create, to allow more than one link per link group. Do an extra check if the IB device initialization was successful, and reset the link state if any error occurs during smcr_link_init(). And rename two existing functions to use the prefix smcr_ to indicate that they belong to the SMC-R code path. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Karsten Graul 提交于
The pnet table stored pnet ids in the smc device structures. When a device is going down its smc device structure is freed, and when the device is brought online again it no longer has a pnet id set. Rework the pnet table implementation to store the device name with their assigned pnet id and apply the pnet id to devices when they are registered. Signed-off-by: NKarsten Graul <kgraul@linux.ibm.com> Reviewed-by: NUrsula Braun <ubraun@linux.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YueHaibing 提交于
There's no callers in-tree anymore since commit 84287bb3 ("ila: add checksum neutral map auto"). Signed-off-by: NYueHaibing <yuehaibing@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YueHaibing 提交于
There's no callers in-tree anymore. Signed-off-by: NYueHaibing <yuehaibing@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yunjian Wang 提交于
The method ndo_start_xmit() returns a value of type netdev_tx_t. Fix the ndo function to use the correct type. Signed-off-by: NYunjian Wang <wangyunjian@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 4月, 2020 9 次提交
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由 Mauro Carvalho Chehab 提交于
Not much to be done here: - add SPDX header; - add a document title; - mark a literal as such, in order to avoid a warning; - add to networking/index.rst. Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mauro Carvalho Chehab 提交于
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - mark lists as such; - mark tables as such; - use footnote markup; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mauro Carvalho Chehab 提交于
- add SPDX header; - mark code blocks and literals as such; - mark tables as such; - mark lists as such; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mauro Carvalho Chehab 提交于
- add SPDX header; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mauro Carvalho Chehab 提交于
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark lists as such; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mauro Carvalho Chehab 提交于
There isn't much to be done here. Just: - add SPDX header; - add a document title. Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mauro Carvalho Chehab 提交于
There isn't much to be done here. Just: - add SPDX header; - add a document title. Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Roopa Prabhu 提交于
Current route nexthop API maintains user space compatibility with old route API by default. Dumps and netlink notifications support both new and old API format. In systems which have moved to the new API, this compatibility mode cancels some of the performance benefits provided by the new nexthop API. This patch adds new sysctl nexthop_compat_mode which is on by default but provides the ability to turn off compatibility mode allowing systems to run entirely with the new routing API. Old route API behaviour and support is not modified by this sysctl. Uses a single sysctl to cover both ipv4 and ipv6 following other sysctls. Covers dumps and delete notifications as suggested by David Ahern. Signed-off-by: NRoopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: NDavid Ahern <dsahern@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Roopa Prabhu 提交于
Used in subsequent work to skip route delete notifications on nexthop deletes. Suggested-by: NDavid Ahern <dsahern@gmail.com> Signed-off-by: NRoopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: NDavid Ahern <dsahern@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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