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If the number of Traffic Classes (TC) is decreased, the FW will no longer remove TC nodes, but will send a pending change notification. This will allow RDMA to destroy corresponding Control QP markers. After RDMA finishes outstanding operations, the ice driver will send an execute MIB Pending change admin queue command to FW to finish DCB configuration change. The FW will buffer all incoming Pending changes, so there can be only one active Pending change. RDMA driver guarantees to remove Control QP markers within 5000 ms. Hence, LLDP response timeout txTTL (default 30 sec) will be met. In the case of a Pending change, LLDP MIB Change Event (opcode 0x0A01) will contain the whole new MIB. But Get LLDP MIB (opcode 0x0A00) AQ call would still return an old MIB, as the Pending change hasn't been applied yet. Add ice_get_dcb_cfg_from_mib_change() function to retrieve DCBX config from LLDP MIB Change Event's buffer for Pending changes. Co-developed-by: Dave Ertman <david.m.ertman@intel.com> Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Signed-off-by: Anatolii Gerasymenko <anatolii.gerasymenko@intel.com> Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.