From 5ae3e91c3502df90fb0ca9c76ac6eb5c2363264f Mon Sep 17 00:00:00 2001 From: Miao Yan Date: Tue, 22 Dec 2015 22:06:09 -0800 Subject: [PATCH] net/vmxnet3: return correct value for VMXNET3_CMD_GET_DEV_EXTRA_INFO VMXNET3_CMD_GET_DEV_EXTRA_INFO should return 0 for emulation mode This behavior can be observed by the following steps: 1) run a Linux distro on esxi server (5.x+) 2) modify vmxnet3 Linux driver to read the register: VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_DEV_EXTRA_INFO); ret = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD); pr_info("vmxnet3 dev_info: 0x%x\n", ret); The kernel log will have some like the following message: [ 7005.111170] vmxnet3 dev_info: 0x0 Signed-off-by: Miao Yan Reviewed-by: Dmitry Fleytman Signed-off-by: Jason Wang --- hw/net/vmxnet3.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c index 0aff0d4658..da59d7df2c 100644 --- a/hw/net/vmxnet3.c +++ b/hw/net/vmxnet3.c @@ -1658,6 +1658,10 @@ static void vmxnet3_handle_command(VMXNET3State *s, uint64_t cmd) VMW_CBPRN("Set: Get upper part of device ID"); break; + case VMXNET3_CMD_GET_DEV_EXTRA_INFO: + VMW_CBPRN("Set: Get device extra info"); + break; + default: VMW_CBPRN("Received unknown command: %" PRIx64, cmd); break; @@ -1677,6 +1681,7 @@ static uint64_t vmxnet3_get_command_status(VMXNET3State *s) case VMXNET3_CMD_RESET_DEV: case VMXNET3_CMD_QUIESCE_DEV: case VMXNET3_CMD_GET_QUEUE_STATUS: + case VMXNET3_CMD_GET_DEV_EXTRA_INFO: ret = 0; break; -- 2.11.4.GIT