Commit d62241eb authored by Shmulik Ladkani's avatar Shmulik Ladkani Committed by Jason Wang
Browse files

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: default avatarShmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
parent 83044020

hw/net/vmxnet3.c

+9 −0
Original line number Diff line number Diff line
@@ -1631,6 +1631,11 @@ static void vmxnet3_handle_command(VMXNET3State *s, uint64_t cmd) 
        VMW_CBPRN("Set: VMXNET3_CMD_GET_CONF_INTR - interrupt configuration");

        break;



    case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO:

        VMW_CBPRN("Set: VMXNET3_CMD_GET_ADAPTIVE_RING_INFO - "

                  "adaptive ring info flags");

        break;



    default:

        VMW_CBPRN("Received unknown command: %" PRIx64, cmd);

        break;
@@ -1670,6 +1675,10 @@ static uint64_t vmxnet3_get_command_status(VMXNET3State *s) 
        ret = vmxnet3_get_interrupt_config(s);

        break;



    case VMXNET3_CMD_GET_ADAPTIVE_RING_INFO:

        ret = VMXNET3_DISABLE_ADAPTIVE_RING;

        break;



    default:

        VMW_WRPRN("Received request for unknown command: %x", s->last_command);

        ret = -1;

hw/net/vmxnet3.h

+5 −1
Original line number Diff line number Diff line
@@ -198,9 +198,13 @@ enum { 
    VMXNET3_CMD_GET_DID_LO,                               /* 0xF00D0005 */

    VMXNET3_CMD_GET_DID_HI,                               /* 0xF00D0006 */

    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 -

 *    Byte 0 :    7.....len.....0