diff options
| -rw-r--r-- | hw/net/i82596.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/hw/net/i82596.c b/hw/net/i82596.c index fe9f2390a9..ecdb9aa4f8 100644 --- a/hw/net/i82596.c +++ b/hw/net/i82596.c @@ -43,6 +43,9 @@ #define SCB_STATUS_CNA 0x2000 /* CU left active state */ #define SCB_STATUS_RNR 0x1000 /* RU left active state */ +#define SCB_COMMAND_ACK_MASK \ + (SCB_STATUS_CX | SCB_STATUS_FR | SCB_STATUS_CNA | SCB_STATUS_RNR) + #define CU_IDLE 0 #define CU_SUSPENDED 1 #define CU_ACTIVE 2 @@ -348,14 +351,7 @@ static void examine_scb(I82596State *s) /* and clear the scb command word */ set_uint16(s->scb + 2, 0); - if (command & BIT(31)) /* ACK-CX */ - s->scb_status &= ~SCB_STATUS_CX; - if (command & BIT(30)) /*ACK-FR */ - s->scb_status &= ~SCB_STATUS_FR; - if (command & BIT(29)) /*ACK-CNA */ - s->scb_status &= ~SCB_STATUS_CNA; - if (command & BIT(28)) /*ACK-RNR */ - s->scb_status &= ~SCB_STATUS_RNR; + s->scb_status &= ~(command & SCB_COMMAND_ACK_MASK); switch (cuc) { case 0: /* no change */ |