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Tony Nguyen says: ==================== ice: fix AF_XDP ZC timeout and concurrency issues Maciej Fijalkowski says: Changes included in this patchset address an issue that customer has been facing when AF_XDP ZC Tx sockets were used in combination with flow control and regular Tx traffic. After executing: ethtool --set-priv-flags $dev link-down-on-close on ethtool -A $dev rx on tx on launching multiple ZC Tx sockets on $dev + pinging remote interface (so that regular Tx traffic is present) and then going through down/up of $dev, Tx timeout occurred and then most of the time ice driver was unable to recover from that state. These patches combined together solve the described above issue on customer side. Main focus here is to forbid producing Tx descriptors when either carrier is not yet initialized or process of bringing interface down has already started. v1: https://lore.kernel.org/netdev/20240708221416.625850-1-anthony.l.nguyen@intel.com/ * '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue: ice: xsk: fix txq interrupt mapping ice: add missing WRITE_ONCE when clearing ice_rx_ring::xdp_prog ice: improve updating ice_{t,r}x_ring::xsk_pool ice: toggle netif_carrier when setting up XSK pool ice: modify error handling when setting XSK pool in ndo_bpf ice: replace synchronize_rcu with synchronize_net ice: don't busy wait for Rx queue disable in ice_qp_dis() ice: respect netif readiness in AF_XDP ZC related ndo's ==================== Link: https://patch.msgid.link/20240729200716.681496-1-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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 reStructuredText 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.