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vmxnet3: Add support for VMXNET3_CMD_GET_ADAPTIVE_RING_INFO command 

Some drivers (e.g. vmware-tools) issue the VMXNET3_CMD_GET_ADAPTIVE_RING_INFO
command.

Currently, due to lack of support, a bogus value (-1) is returned.

Support this command, returning the "adaptive-ring disabled" flag.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Shmulik Ladkani 2015-09-18 08:55:04 +03:00 committed by Jason Wang
parent 8304402033
commit d62241eb6d
2 changed files with 14 additions and 1 deletions
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9
hw/net/vmxnet3.c
View File

@ -1631,6 +1631,11 @@ static void vmxnet3_handle_command(VMXNET3State *s, uint64_t cmd)
VMW_CBPRN("Set: VMXNET3_CMD_GET_CONF_INTR - interrupt configuration"); VMW_CBPRN("Set: VMXNET3_CMD_GET_CONF_INTR - interrupt configuration");
break; break;
case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO:
VMW_CBPRN("Set: VMXNET3_CMD_GET_ADAPTIVE_RING_INFO - "
"adaptive ring info flags");
break;
default: default:
VMW_CBPRN("Received unknown command: %" PRIx64, cmd); VMW_CBPRN("Received unknown command: %" PRIx64, cmd);
break; break;
@ -1670,6 +1675,10 @@ static uint64_t vmxnet3_get_command_status(VMXNET3State *s)
ret = vmxnet3_get_interrupt_config(s); ret = vmxnet3_get_interrupt_config(s);
break; break;
case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO:
ret = VMXNET3_DISABLE_ADAPTIVE_RING;
break;
default: default:
VMW_WRPRN("Received request for unknown command: %x", s->last_command); VMW_WRPRN("Received request for unknown command: %x", s->last_command);
ret = -1; ret = -1;

6
hw/net/vmxnet3.h
View File

@ -198,9 +198,13 @@ enum {
VMXNET3_CMD_GET_DID_LO, /* 0xF00D0005 */ VMXNET3_CMD_GET_DID_LO, /* 0xF00D0005 */
VMXNET3_CMD_GET_DID_HI, /* 0xF00D0006 */ VMXNET3_CMD_GET_DID_HI, /* 0xF00D0006 */
VMXNET3_CMD_GET_DEV_EXTRA_INFO, /* 0xF00D0007 */ VMXNET3_CMD_GET_DEV_EXTRA_INFO, /* 0xF00D0007 */
VMXNET3_CMD_GET_CONF_INTR /* 0xF00D0008 */ VMXNET3_CMD_GET_CONF_INTR, /* 0xF00D0008 */
VMXNET3_CMD_GET_ADAPTIVE_RING_INFO /* 0xF00D0009 */
}; };
/* Adaptive Ring Info Flags */
#define VMXNET3_DISABLE_ADAPTIVE_RING 1
/* /*
* Little Endian layout of bitfields - * Little Endian layout of bitfields -
* Byte 0 : 7.....len.....0 * Byte 0 : 7.....len.....0