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Wed, 21 Jun 2023 20:02:04 -0700 (PDT) From: Hawkins Jiawei To: jasowang@redhat.com, mst@redhat.com, eperezma@redhat.com Cc: qemu-devel@nongnu.org, yin31149@gmail.com, 18801353760@163.com Subject: [PATCH RFC 1/3] vdpa: Restore MAC address filtering state Date: Thu, 22 Jun 2023 11:01:42 +0800 Message-Id: <00f72fe154a882fd6dc15bc39e3a1ac63f9dadce.1687402580.git.yin31149@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=yin31149@gmail.com; helo=mail-pf1-x42e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This patch refactors vhost_vdpa_net_load_mac() to restore the MAC address filtering state at device's startup. Signed-off-by: Hawkins Jiawei --- net/vhost-vdpa.c | 39 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 38 insertions(+), 1 deletion(-) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index ecfa8852b5..10264d3e96 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -651,8 +651,45 @@ static int vhost_vdpa_net_load_mac(VhostVDPAState *s, const VirtIONet *n) if (unlikely(dev_written < 0)) { return dev_written; } + if (*s->status != VIRTIO_NET_OK) { + return -EINVAL; + } + } + + if (virtio_vdev_has_feature(&n->parent_obj, VIRTIO_NET_F_CTRL_RX)) { + /* Load the MAC address filtering */ + uint32_t uni_entries = n->mac_table.first_multi, + uni_macs_size = uni_entries * ETH_ALEN, + uni_size = sizeof(struct virtio_net_ctrl_mac) + uni_macs_size, + mul_entries = n->mac_table.in_use - uni_entries, + mul_macs_size = mul_entries * ETH_ALEN, + mul_size = sizeof(struct virtio_net_ctrl_mac) + mul_macs_size, + data_size = uni_size + mul_size; + void *data = g_malloc(data_size); + struct virtio_net_ctrl_mac *ctrl_mac; + + /* Pack the non-multicast(unicast) MAC addresses */ + ctrl_mac = data; + ctrl_mac->entries = cpu_to_le32(uni_entries); + memcpy(ctrl_mac->macs, n->mac_table.macs, uni_macs_size); + + /* Pack the multicast MAC addresses */ + ctrl_mac = data + uni_size; + ctrl_mac->entries = cpu_to_le32(mul_entries); + memcpy(ctrl_mac->macs, &n->mac_table.macs[uni_macs_size], + mul_macs_size); + + ssize_t dev_written = vhost_vdpa_net_load_cmd(s, VIRTIO_NET_CTRL_MAC, + VIRTIO_NET_CTRL_MAC_TABLE_SET, + data, data_size); + g_free(data); - return *s->status != VIRTIO_NET_OK; + if (unlikely(dev_written < 0)) { + return dev_written; + } + if (*s->status != VIRTIO_NET_OK) { + return -EINVAL; + } } return 0; From patchwork Thu Jun 22 03:01:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hawkins Jiawei X-Patchwork-Id: 1798186 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Wed, 21 Jun 2023 20:02:11 -0700 (PDT) From: Hawkins Jiawei To: jasowang@redhat.com, mst@redhat.com, eperezma@redhat.com Cc: qemu-devel@nongnu.org, yin31149@gmail.com, 18801353760@163.com Subject: [PATCH RFC 2/3] vdpa: Restore packet receive filtering state relative with _F_CTRL_RX feature Date: Thu, 22 Jun 2023 11:01:43 +0800 Message-Id: <86eeddcd6f6b04e5c1e44e901ddea3b1b8b6c183.1687402580.git.yin31149@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2001:4860:4864:20::36; envelope-from=yin31149@gmail.com; helo=mail-oa1-x36.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This patch introduces vhost_vdpa_net_load_rx_mode() and vhost_vdpa_net_load_rx() to restore the packet receive filtering state in relation to VIRTIO_NET_F_CTRL_RX feature at device's startup. Signed-off-by: Hawkins Jiawei --- net/vhost-vdpa.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 10264d3e96..355a6aef15 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -754,6 +754,76 @@ static int vhost_vdpa_net_load_offloads(VhostVDPAState *s, return *s->status != VIRTIO_NET_OK; } +static int vhost_vdpa_net_load_rx_mode(VhostVDPAState *s, + uint8_t cmd, + uint8_t on) +{ + ssize_t dev_written; + dev_written = vhost_vdpa_net_load_cmd(s, VIRTIO_NET_CTRL_RX, + cmd, &on, sizeof(on)); + if (unlikely(dev_written < 0)) { + return dev_written; + } + if (*s->status != VIRTIO_NET_OK) { + return -EINVAL; + } + + return 0; +} + +static int vhost_vdpa_net_load_rx(VhostVDPAState *s, + const VirtIONet *n) +{ + uint8_t on; + int r; + + if (virtio_vdev_has_feature(&n->parent_obj, VIRTIO_NET_F_CTRL_RX)) { + /* Load the promiscous mode */ + if (n->mac_table.uni_overflow) { + /* + * According to VirtIO standard, "Since there are no guarantees, + * it can use a hash filter or silently switch to + * allmulti or promiscuous mode if it is given too many addresses." + * + * QEMU ignores non-multicast(unicast) MAC addresses and + * marks `uni_overflow` for the device internal state + * if guest sets too many non-multicast(unicast) MAC addresses. + * Therefore, we should turn promiscous mode on in this case. + */ + on = 1; + } else { + on = n->promisc; + } + r = vhost_vdpa_net_load_rx_mode(s, VIRTIO_NET_CTRL_RX_PROMISC, on); + if (r < 0) { + return r; + } + + /* Load the all-multicast mode */ + if (n->mac_table.multi_overflow) { + /* + * According to VirtIO standard, "Since there are no guarantees, + * it can use a hash filter or silently switch to + * allmulti or promiscuous mode if it is given too many addresses." + * + * QEMU ignores multicast MAC addresses and + * marks `multi_overflow` for the device internal state + * if guest sets too many multicast MAC addresses. + * Therefore, we should turn all-multicast mode on in this case. + */ + on = 1; + } else { + on = n->allmulti; + } + r = vhost_vdpa_net_load_rx_mode(s, VIRTIO_NET_CTRL_RX_ALLMULTI, on); + if (r < 0) { + return r; + } + } + + return 0; +} + static int vhost_vdpa_net_load(NetClientState *nc) { VhostVDPAState *s = DO_UPCAST(VhostVDPAState, nc, nc); @@ -780,6 +850,10 @@ static int vhost_vdpa_net_load(NetClientState *nc) if (unlikely(r)) { return r; } + r = vhost_vdpa_net_load_rx(s, n); + if (unlikely(r)) { + return r; + } return 0; } From patchwork Thu Jun 22 03:01:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hawkins Jiawei X-Patchwork-Id: 1798188 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20221208 header.b=VrWPZLpz; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QmlYX46PYz20XS for ; 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Wed, 21 Jun 2023 20:02:17 -0700 (PDT) Received: from localhost ([117.136.38.170]) by smtp.gmail.com with ESMTPSA id y20-20020a1709027c9400b001a9bcedd598sm4161724pll.11.2023.06.21.20.02.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jun 2023 20:02:16 -0700 (PDT) From: Hawkins Jiawei To: jasowang@redhat.com, mst@redhat.com, eperezma@redhat.com Cc: qemu-devel@nongnu.org, yin31149@gmail.com, 18801353760@163.com Subject: [PATCH RFC 3/3] vdpa: Allow VIRTIO_NET_F_CTRL_RX in SVQ Date: Thu, 22 Jun 2023 11:01:44 +0800 Message-Id: <32ae7e729449bde7a4252dd354e27d41f7ad1dac.1687402580.git.yin31149@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::433; envelope-from=yin31149@gmail.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Enable SVQ with VIRTIO_NET_F_CTRL_RX feature. Signed-off-by: Hawkins Jiawei Acked-by: Eugenio Pérez --- net/vhost-vdpa.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 355a6aef15..ca800f97e2 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -99,6 +99,7 @@ static const uint64_t vdpa_svq_device_features = BIT_ULL(VIRTIO_NET_F_MRG_RXBUF) | BIT_ULL(VIRTIO_NET_F_STATUS) | BIT_ULL(VIRTIO_NET_F_CTRL_VQ) | + BIT_ULL(VIRTIO_NET_F_CTRL_RX) | BIT_ULL(VIRTIO_NET_F_MQ) | BIT_ULL(VIRTIO_F_ANY_LAYOUT) | BIT_ULL(VIRTIO_NET_F_CTRL_MAC_ADDR) |