From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48605) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bh7EH-00011t-AY for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:39:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bh7E8-0007Dr-TV for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:39:21 -0400 From: David Gibson Date: Tue, 6 Sep 2016 13:40:51 +1000 Message-Id: <1473133253-17598-65-git-send-email-david@gibson.dropbear.id.au> In-Reply-To: <1473133253-17598-1-git-send-email-david@gibson.dropbear.id.au> References: <1473133253-17598-1-git-send-email-david@gibson.dropbear.id.au> Subject: [Qemu-devel] [PULL 64/66] spapr: implement H_CHANGE_LOGICAL_LAN_MAC h_call List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linearo.org Cc: agraf@suse.de, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, Laurent Vivier , David Gibson From: Laurent Vivier Since kernel v4.0, linux uses H_CHANGE_LOGICAL_LAN_MAC to change lively the MAC address of an ibmveth interface. As QEMU doesn't implement this h_call, we can't change anymore the MAC address of an spapr-vlan interface. Signed-off-by: Laurent Vivier Signed-off-by: David Gibson --- hw/net/spapr_llan.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/hw/net/spapr_llan.c b/hw/net/spapr_llan.c index b273eda..4bb95a5 100644 --- a/hw/net/spapr_llan.c +++ b/hw/net/spapr_llan.c @@ -106,6 +106,7 @@ typedef struct VIOsPAPRVLANDevice { VIOsPAPRDevice sdev; NICConf nicconf; NICState *nic; + MACAddr perm_mac; bool isopen; hwaddr buf_list; uint32_t add_buf_ptr, use_buf_ptr, rx_bufs; @@ -316,6 +317,10 @@ static void spapr_vlan_reset(VIOsPAPRDevice *sdev) spapr_vlan_reset_rx_pool(dev->rx_pool[i]); } } + + memcpy(&dev->nicconf.macaddr.a, &dev->perm_mac.a, + sizeof(dev->nicconf.macaddr.a)); + qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a); } static void spapr_vlan_realize(VIOsPAPRDevice *sdev, Error **errp) @@ -324,6 +329,8 @@ static void spapr_vlan_realize(VIOsPAPRDevice *sdev, Error **errp) qemu_macaddr_default_if_unset(&dev->nicconf.macaddr); + memcpy(&dev->perm_mac.a, &dev->nicconf.macaddr.a, sizeof(dev->perm_mac.a)); + dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf, object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev); qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a); @@ -756,6 +763,27 @@ static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPRMachineState *spapr, return H_SUCCESS; } +static target_ulong h_change_logical_lan_mac(PowerPCCPU *cpu, + sPAPRMachineState *spapr, + target_ulong opcode, + target_ulong *args) +{ + target_ulong reg = args[0]; + target_ulong macaddr = args[1]; + VIOsPAPRDevice *sdev = spapr_vio_find_by_reg(spapr->vio_bus, reg); + VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev); + int i; + + for (i = 0; i < ETH_ALEN; i++) { + dev->nicconf.macaddr.a[ETH_ALEN - i - 1] = macaddr & 0xff; + macaddr >>= 8; + } + + qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a); + + return H_SUCCESS; +} + static Property spapr_vlan_properties[] = { DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev), DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf), @@ -854,6 +882,8 @@ static void spapr_vlan_register_types(void) spapr_register_hypercall(H_ADD_LOGICAL_LAN_BUFFER, h_add_logical_lan_buffer); spapr_register_hypercall(H_MULTICAST_CTRL, h_multicast_ctrl); + spapr_register_hypercall(H_CHANGE_LOGICAL_LAN_MAC, + h_change_logical_lan_mac); type_register_static(&spapr_vlan_info); } -- 2.7.4