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authorMichael Brown2009-07-09 16:52:04 +0200
committerMichael Brown2009-07-18 00:06:34 +0200
commitf1d92fa8865c281cb7da31f2e3b62ece3f2f9ca1 (patch)
treed07c05965bd108d02d3c1b6fd1ac1574f70200d5 /src/include
parent[infiniband] Always create an SMA and a GMA (diff)
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[infiniband] Allow external QPN to differ from real QPN
Most IB hardware seems not to allow allocation of the genuine QPNs 0 and 1, so allow for the externally-visible QPN (as constructed and parsed by ib_packet, where used) to differ from the real hardware-allocated QPN.
Diffstat (limited to 'src/include')
-rw-r--r--src/include/gpxe/infiniband.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/include/gpxe/infiniband.h b/src/include/gpxe/infiniband.h
index 9c1f57a08..dacb13e4b 100644
--- a/src/include/gpxe/infiniband.h
+++ b/src/include/gpxe/infiniband.h
@@ -96,8 +96,15 @@ struct ib_queue_pair {
struct ib_device *ibdev;
/** List of queue pairs on this Infiniband device */
struct list_head list;
- /** Queue Pair Number */
+ /** Queue pair number */
unsigned long qpn;
+ /** Externally-visible queue pair number
+ *
+ * This may differ from the real queue pair number (e.g. when
+ * the HCA cannot use the management QPNs 0 and 1 as hardware
+ * QPNs and needs to remap them).
+ */
+ unsigned long ext_qpn;
/** Queue pair type */
enum ib_queue_pair_type type;
/** Queue key */