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Mon, 11 Aug 2025 14:13:57 -0700 (PDT) Received: from localhost ([2a03:2880:31ff:3::]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-459e5853104sm269695685e9.8.2025.08.11.14.13.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 14:13:56 -0700 (PDT) From: Mohsin Bashir To: netdev@vger.kernel.org Cc: kuba@kernel.org, alexanderduyck@fb.com, andrew+netdev@lunn.ch, ast@kernel.org, bpf@vger.kernel.org, corbet@lwn.net, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, hawk@kernel.org, horms@kernel.org, jdamato@fastly.com, john.fastabend@gmail.com, kernel-team@meta.com, mohsin.bashr@gmail.com, pabeni@redhat.com, sdf@fomichev.me, vadim.fedorenko@linux.dev, aleksander.lobakin@intel.com Subject: [PATCH net-next V2 0/9] eth: fbnic: Add XDP support for fbnic Date: Mon, 11 Aug 2025 14:13:29 -0700 Message-ID: <20250811211338.857992-1-mohsin.bashr@gmail.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch series introduces basic XDP support for fbnic. To enable this, it also includes preparatory changes such as making the HDS threshold configurable via ethtool, updating headroom for fbnic, tracking frag state in shinfo, and prefetching the first cacheline of data. --- Changelog: V2: * P1: Enforce a lower bound on header bytes and start splitting all frames on L2, L3, or L4 header boundaries based on frame size when hds_thresh is below this threshold * P5: - Update commit message - Update fbnic_run_xdp() to add comment about multi-frag check * P8: Address warnings with htmldocs V1: https://lore.kernel.org/netdev/20250723145926.4120434-1-mohsin.bashr@gmail.com/ Mohsin Bashir (9): eth: fbnic: Add support for HDS configuration eth: fbnic: Update Headroom eth: fbnic: Use shinfo to track frags state on Rx eth: fbnic: Prefetch packet headers on Rx eth: fbnic: Add XDP pass, drop, abort support eth: fbnic: Add support for XDP queues eth: fbnic: Add support for XDP_TX action eth: fbnic: Collect packet statistics for XDP eth: fbnic: Report XDP stats via ethtool .../device_drivers/ethernet/meta/fbnic.rst | 11 + .../net/ethernet/meta/fbnic/fbnic_ethtool.c | 82 +++- .../net/ethernet/meta/fbnic/fbnic_netdev.c | 75 ++- .../net/ethernet/meta/fbnic/fbnic_netdev.h | 9 +- drivers/net/ethernet/meta/fbnic/fbnic_txrx.c | 456 +++++++++++++++--- drivers/net/ethernet/meta/fbnic/fbnic_txrx.h | 23 +- 6 files changed, 575 insertions(+), 81 deletions(-) -- 2.47.3