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[79.183.43.120]) by smtp.gmail.com with ESMTPSA id l7sm22083171wrw.33.2020.03.16.03.09.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 16 Mar 2020 03:09:39 -0700 (PDT) From: Yuri Benditovich To: qemu-devel@nongnu.org, mst@redhat.com, jasowang@redhat.com Subject: [PATCH v4 0/6] reference implementation of RSS and hash report Date: Mon, 16 Mar 2020 12:09:27 +0200 Message-Id: <20200316100933.11499-1-yuri.benditovich@daynix.com> X-Mailer: git-send-email 2.17.1 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::444 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yan@daynix.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Support for VIRTIO_NET_F_RSS and VIRTIO_NET_F_HASH_REPORT features in QEMU for reference purpose. Implements Toeplitz hash calculation for incoming packets according to configuration provided by driver. Uses calculated hash for decision on receive virtqueue and/or reports the hash in the virtio header Changes from v3 Use pointer for indirections table instead of array Cosmetic changes per v3 review Changes from v2: Implemented migration support Added implementation of hash report Changed reporting of error during processing of command (per review of v2) Cosmetic changes per v2 review Yuri Benditovich (6): virtio-net: introduce RSS and hash report features virtio-net: implement RSS configuration command virtio-net: implement RX RSS processing tap: allow extended virtio header with hash info virtio-net: reference implementation of hash report virtio-net: add migration support for RSS and hash report hw/net/trace-events | 3 + hw/net/virtio-net.c | 437 +++++++++++++++++++++++++++++++-- include/hw/virtio/virtio-net.h | 16 ++ net/tap.c | 11 +- 4 files changed, 439 insertions(+), 28 deletions(-) Reviewed-by: Michael S. Tsirkin