8d5855a5af
Michael Chan says: ==================== bnxt_en: TX path improvements All patches in this patchset are related to improving the TX path. There are 2 areas of improvements: 1. The TX interrupt logic currently counts the number of TX completions to determine the number of TX SKBs to free. We now change it so that the TX completion will now contain the hardware consumer index information. The driver will keep track of the latest hardware consumer index from the last TX completion and clean up all TX SKBs up to that index. This scheme aligns better with future chips and allows xmit_more code path to be more optimized. 2. The current driver logic requires an additional MSIX for each additional MQPRIO TX ring. This scheme uses too many MSIX vectors if the user enables a large number of MQPRIO TCs. We now use a new scheme that will use the same MSIX for all the MQPRIO TX rings for each ethtool channel. Each ethtool TX channel can have up to 8 MQPRIO TX rings and now they all will share the same MSIX. v2: Rebased v1 posted on Oct 27 2023 right before the close of net-next: https://lore.kernel.org/netdev/20231027232252.36111-1-michael.chan@broadcom.com/ ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
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