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[infiniband] Maintain queue fill level as a property of a work queue

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Both queue owners and drivers often need to keep track of the fill
level, so let's make it a generic property.
This commit is contained in:
Michael Brown
2008-10-03 03:04:21 +01:00
parent d9751edafa
commit 0de5f7af6d
3 changed files with 110 additions and 70 deletions
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15
src/drivers/net/ipoib.c
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@@ -57,8 +57,6 @@ struct ipoib_queue_set {
struct ib_completion_queue *cq;
/** Queue pair */
struct ib_queue_pair *qp;
/** Receive work queue fill level */
unsigned int recv_fill;
/** Receive work queue maximum fill level */
unsigned int recv_max_fill;
};
@@ -565,7 +563,7 @@ static void ipoib_data_complete_recv ( struct ib_device *ibdev __unused,
if ( completion->syndrome ) {
netdev_rx_err ( netdev, iobuf, -EIO );
goto done;
return;
}
iob_put ( iobuf, completion->len );
@@ -574,7 +572,7 @@ static void ipoib_data_complete_recv ( struct ib_device *ibdev __unused,
"contain GRH\n", ipoib );
DBGC_HD ( ipoib, iobuf->data, iob_len ( iobuf ) );
netdev_rx_err ( netdev, iobuf, -EIO );
goto done;
return;
}
iob_pull ( iobuf, sizeof ( struct ib_global_route_header ) );
@@ -583,16 +581,13 @@ static void ipoib_data_complete_recv ( struct ib_device *ibdev __unused,
"contain IPoIB header\n", ipoib );
DBGC_HD ( ipoib, iobuf->data, iob_len ( iobuf ) );
netdev_rx_err ( netdev, iobuf, -EIO );
goto done;
return;
}
ipoib_pshdr = iob_push ( iobuf, sizeof ( *ipoib_pshdr ) );
/* FIXME: fill in a MAC address for the sake of AoE! */
netdev_rx ( netdev, iobuf );
done:
ipoib->data.recv_fill--;
}
/**
@@ -732,7 +727,6 @@ static void ipoib_meta_complete_recv ( struct ib_device *ibdev __unused,
}
done:
ipoib->meta.recv_fill--;
free_iob ( iobuf );
}
@@ -747,7 +741,7 @@ static void ipoib_refill_recv ( struct ipoib_device *ipoib,
struct io_buffer *iobuf;
int rc;
while ( qset->recv_fill < qset->recv_max_fill ) {
while ( qset->qp->recv.fill < qset->recv_max_fill ) {
iobuf = alloc_iob ( IPOIB_PKT_LEN );
if ( ! iobuf )
break;
@@ -755,7 +749,6 @@ static void ipoib_refill_recv ( struct ipoib_device *ipoib,
free_iob ( iobuf );
break;
}
qset->recv_fill++;
}
}