From: Jakub Kicinski Date: Thu, 24 Feb 2022 04:33:15 +0000 (-0800) Subject: Merge branch 'add-ethtool-support-for-completion-queue-event-size' X-Git-Tag: v6.6.17~7931^2~264 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e422eef268baa0d08f969d1330f13929a7efc138;p=platform%2Fkernel%2Flinux-rpi.git Merge branch 'add-ethtool-support-for-completion-queue-event-size' Subbaraya Sundeep says: ==================== Add ethtool support for completion queue event size After a packet is sent or received by NIC then NIC posts a completion queue event which consists of transmission status (like send success or error) and received status(like pointers to packet fragments). These completion events may also use a ring similar to rx and tx rings. This patchset introduces cqe-size ethtool parameter to modify the size of the completion queue event if NIC hardware has that capability. A bigger completion queue event can have more receive buffer pointers inturn NIC can transfer a bigger frame from wire as long as hardware(MAC) receive frame size limit is not exceeded. Patch 1 adds support setting/getting cqe-size via ethtool -G and ethtool -g. Patch 2 includes octeontx2 driver changes to use completion queue event size set from ethtool -G. ==================== Link: https://lore.kernel.org/r/1645555153-4932-1-git-send-email-sbhatta@marvell.com Signed-off-by: Jakub Kicinski --- e422eef268baa0d08f969d1330f13929a7efc138