[ipoib] Always set the "full membership" bit in the IPv4 broadcast GID

The SM always creates the IPoIB multicast groups with full membership partition keys.
ipxe · Nov 16, 2009 · 50242e4 · 50242e4
1 parent 58b6794
commit 50242e4
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/src/drivers/net/ipoib.c b/src/drivers/net/ipoib.c
@@ -708,7 +708,8 @@ void ipoib_link_state_changed ( struct ib_device *ibdev ) {
 		 sizeof ( mac->gid.u.half[0] ) );
 
 	/* Update broadcast GID based on potentially-new partition key */
-	ipoib->broadcast.gid.u.words[2] = htons ( ibdev->pkey );
+	ipoib->broadcast.gid.u.words[2] =
+		htons ( ibdev->pkey | IB_PKEY_FULL );
 
 	/* Set net device link state to reflect Infiniband link state */
 	rc = ib_link_rc ( ibdev );

diff --git a/src/include/gpxe/infiniband.h b/src/include/gpxe/infiniband.h
@@ -33,6 +33,9 @@ FILE_LICENCE ( GPL2_OR_LATER );
 /** Default Infiniband partition key */
 #define IB_PKEY_DEFAULT 0xffff
 
+/** Infiniband partition key full membership flag */
+#define IB_PKEY_FULL 0x8000
+
 /**
  * Maximum payload size
  *