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Tsirkin" , Stefan Hajnoczi , Cindy Lu , Liuxiangdong Subject: [PATCH v4 4/7] vdpa: add NetClientState->start() callback Date: Fri, 22 Jul 2022 13:12:42 +0200 Message-Id: <20220722111245.3403062-5-eperezma@redhat.com> In-Reply-To: <20220722111245.3403062-1-eperezma@redhat.com> References: <20220722111245.3403062-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1658489134113100001 It allows per-net client operations right after device's successful start. Vhost-vdpa net will use it to add the CVQ buffers to restore the device status. Signed-off-by: Eugenio P=C3=A9rez --- include/net/net.h | 2 ++ hw/net/vhost_net.c | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index 523136c7ac..ad9e80083a 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -44,6 +44,7 @@ typedef struct NICConf { =20 typedef void (NetPoll)(NetClientState *, bool enable); typedef bool (NetCanReceive)(NetClientState *); +typedef int (NetStart)(NetClientState *); typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, in= t); typedef void (NetCleanup) (NetClientState *); @@ -71,6 +72,7 @@ typedef struct NetClientInfo { NetReceive *receive_raw; NetReceiveIOV *receive_iov; NetCanReceive *can_receive; + NetStart *start; NetCleanup *cleanup; LinkStatusChanged *link_status_changed; QueryRxFilter *query_rx_filter; diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index ccac5b7a64..ddd9ee0441 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -274,6 +274,13 @@ static int vhost_net_start_one(struct vhost_net *net, } } } + + if (net->nc->info->start) { + r =3D net->nc->info->start(net->nc); + if (r < 0) { + goto fail; + } + } return 0; fail: file.fd =3D -1; --=20 2.31.1