On 7/4/21 4:48 PM, Mark Cave-Ayland wrote:
> On 03/07/2021 15:19, Philippe Mathieu-Daudé wrote:
>
>> Per the DP83932C datasheet from July 1995:
>>
>> 4.0 SONIC Registers
>> 4.1 THE CAM UNIT
>>
>> The Content Addressable Memory (CAM) consists of sixteen
>> 48-bit entries for complete address filtering of network
>> packets. Each entry corresponds to a 48-bit destination
>> address that is user programmable and can contain any
>> combination of Multicast or Physical addresses. Each entry
>> is partitioned into three 16-bit CAM cells accessible
>> through CAM Address Ports (CAP 2, CAP 1 and CAP 0) with
>> CAP0 corresponding to the least significant 16 bits of
>> the Destination Address and CAP2 corresponding to the
>> most significant bits.
>>
>> Store the CAM registers as 16-bit as it simplifies the code.
>> There is no change in the migration stream.
>>
>> Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
>> ---
>> hw/net/dp8393x.c | 23 ++++++++++-------------
>> 1 file changed, 10 insertions(+), 13 deletions(-)
>> @@ -987,7 +984,7 @@ static const VMStateDescription vmstate_dp8393x = {
>> .version_id = 0,
>> .minimum_version_id = 0,
>> .fields = (VMStateField []) {
>> - VMSTATE_BUFFER_UNSAFE(cam, dp8393xState, 0, 16 * 6),
>> + VMSTATE_BUFFER_UNSAFE(cam, dp8393xState, 0, 16 * 3 * 2),
>> VMSTATE_UINT16_ARRAY(regs, dp8393xState, 0x40),
>> VMSTATE_END_OF_LIST()
>> }
>
> I'd still be inclined to change VMSTATE_BUFFER_UNSAFE for
> VMSTATE_UINT16_ARRAY whilst you can do it without having to worry about
> the migration stream being already broken, but anyhow:
>
> Reviewed-by: Mark Cave-Ayland <[email protected]>
Do you want me to squash:
-- >8 --
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 1d1837dbd38..4c2fa0aabbd 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -951,10 +951,10 @@ static void dp8393x_realize(DeviceState *dev,
Error **errp)
static const VMStateDescription vmstate_dp8393x = {
.name = "dp8393x",
- .version_id = 0,
- .minimum_version_id = 0,
+ .version_id = 1,
+ .minimum_version_id = 1,
.fields = (VMStateField []) {
- VMSTATE_BUFFER_UNSAFE(cam, dp8393xState, 0, 16 * 3 * 2),
+ VMSTATE_UINT16_ARRAY(cam, dp8393xState, 0, 16 * 3),
VMSTATE_UINT16_ARRAY(regs, dp8393xState, 0x40),
VMSTATE_END_OF_LIST()
}
---
Or send it as a new patch?
