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[infiniband] Centralise assumption of 2048-byte payloads

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IPoIB and the SMA have separate constants for the packet size to be
used to I/O buffer allocations.  Merge these into the single
IB_MAX_PAYLOAD_SIZE constant.

(Various other points in the Infiniband stack have hard-coded
assumptions of a 2048-byte payload; we don't currently support
variable MTUs.)
This commit is contained in:
Michael Brown
2009-07-17 22:50:33 +01:00
parent 7ba33f7826
commit 1f5c0239b4
8 changed files with 22 additions and 18 deletions
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6
src/drivers/net/ipoib.c
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@@ -838,7 +838,7 @@ static int ipoib_open ( struct net_device *netdev ) {
IPOIB_META_NUM_CQES, &ipoib_meta_cq_op,
IPOIB_META_NUM_SEND_WQES,
IPOIB_META_NUM_RECV_WQES,
IPOIB_PKT_LEN, IB_GLOBAL_QKEY ) ) != 0 ) {
IB_GLOBAL_QKEY ) ) != 0 ) {
DBGC ( ipoib, "IPoIB %p could not allocate metadata QP: %s\n",
ipoib, strerror ( rc ) );
goto err_create_meta_qset;
@@ -850,7 +850,7 @@ static int ipoib_open ( struct net_device *netdev ) {
IPOIB_DATA_NUM_CQES, &ipoib_data_cq_op,
IPOIB_DATA_NUM_SEND_WQES,
IPOIB_DATA_NUM_RECV_WQES,
IPOIB_PKT_LEN, IB_GLOBAL_QKEY ) ) != 0 ) {
IB_GLOBAL_QKEY ) ) != 0 ) {
DBGC ( ipoib, "IPoIB %p could not allocate data QP: %s\n",
ipoib, strerror ( rc ) );
goto err_create_data_qset;
@@ -1040,7 +1040,7 @@ struct net_device * alloc_ipoibdev ( size_t priv_size ) {
if ( netdev ) {
netdev->ll_protocol = &ipoib_protocol;
netdev->ll_broadcast = ( uint8_t * ) &ipoib_broadcast;
netdev->max_pkt_len = IPOIB_PKT_LEN;
netdev->max_pkt_len = IB_MAX_PAYLOAD_SIZE;
}
return netdev;
}