[openib-general] [PATCH] ib_mad: Fix return posted receive MAD routine

Tue Oct 5 12:03:12 PDT 2004

ib_mad: Fix return posted receive MAD routine

Index: ib_mad.c
===================================================================

--- ib_mad.c    (revision 924)
+++ ib_mad.c    (working copy)
@@ -1327,15 +1327,35 @@
 {
        int i;
        unsigned long flags;
+       struct ib_mad_private_header *mad_priv_hdr;
+       struct ib_mad_recv_buf *rbuf;
+       struct ib_mad_private *recv;
 
        for (i = 0; i < IB_MAD_QPS_CORE; i++) {
                spin_lock_irqsave(&port_priv->recv_list_lock, flags);
                while (!list_empty(&port_priv->recv_posted_mad_list[i])) {
 
-                       /* PCI mapping !!! */
+                       rbuf = list_entry(&port_priv->recv_posted_mad_list[i],
+                                          struct ib_mad_recv_buf, list);
+                       rbuf = (struct ib_mad_recv_buf *)rbuf->list.next;
+                       mad_priv_hdr = container_of(rbuf,
+                                                   struct ib_mad_private_header,
+                                                   recv_buf);
+                       recv = container_of(mad_priv_hdr,
+                                           struct ib_mad_private, header);
 
-                       list_del(&port_priv->recv_posted_mad_list[i]);
+                       /* Remove for posted receive MAD list */
+                       list_del(&recv->header.recv_buf.list);
+ 
+                       /* Undo PCI mapping */
+                       pci_unmap_single(port_priv->device->dma_device,
+                                        pci_unmap_addr(&recv->header, mapping),
+                                        sizeof(struct ib_mad_private) -
+                                        sizeof(struct ib_mad_private_header),
+                                        PCI_DMA_FROMDEVICE);
 
+                       kmem_cache_free(ib_mad_cache, recv);
+
                }
 
                INIT_LIST_HEAD(&port_priv->recv_posted_mad_list[i]);
@@ -1352,14 +1372,7 @@
        unsigned long flags;
 
        spin_lock_irqsave(&port_priv->send_list_lock, flags);
-       while (!list_empty(&port_priv->send_posted_mad_list)) {
-
-               list_del(&port_priv->send_posted_mad_list);
-
-               /* Call completion handler with flushed status !!! */
-
-       }
-
+       /* Just clear port send posted MAD list */
        INIT_LIST_HEAD(&port_priv->send_posted_mad_list);
        port_priv->send_posted_mad_count = 0;
        spin_unlock_irqrestore(&port_priv->send_list_lock, flags);



