Thread (2 messages) read the whole thread 2 messages, 2 authors, 2021-11-30

Re: [PATCH net 1/1] ice: xsk: clear status_error0 for each allocated desc

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-11-30 12:20:13
Also in: bpf

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller [off-list ref]:

On Mon, 29 Nov 2021 15:17:46 -0800 you wrote:
From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>

Fix a bug in which the receiving of packets can stop in the zero-copy
driver. Ice HW ignores 3 lower bits from QRX_TAIL register, which means
that tail is bumped only on intervals of 8. Currently with XSK RX
batching in place, ice_alloc_rx_bufs_zc() clears the status_error0 only
of the last descriptor that has been allocated/taken from the XSK buffer
pool. status_error0 includes DD bit that is looked upon by the
ice_clean_rx_irq_zc() to tell if a descriptor can be processed.

[...]
Here is the summary with links:
  - [net,1/1] ice: xsk: clear status_error0 for each allocated desc
    https://git.kernel.org/netdev/net/c/d1ec975f9fa6

You are awesome, thank you!
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