[ofw] [IPoIB][patch 1/3] Adding support to dell guid and user-define mask for guid generation - revisited

[Alex Naslednikov]

This patch adds support for Dell GUID
Signed-off by: Alexander Naslednikov (xalex at mellanox.co.il)
Index: D:/Windows/MLNX_WINOF/ulp/ipoib/kernel/ipoib_xfr_mgr.h
===================================================================
--- D:/Windows/MLNX_WINOF/ulp/ipoib/kernel/ipoib_xfr_mgr.h
(revision 3206)
+++ D:/Windows/MLNX_WINOF/ulp/ipoib/kernel/ipoib_xfr_mgr.h
(revision 3214)
@@ -231,6 +231,35 @@
 	
 	return IB_SUCCESS;
 }
+
+/****f* IPOIB/ipoib_mac_from_dell_guid
+* NAME
+*	ipoib_mac_from_dell_guid
+*
+* DESCRIPTION
+*	Generates an ethernet MAC address given a DELL port GUID.
+*
+* SYNOPSIS
+*/
+static inline ib_api_status_t
+ipoib_mac_from_dell_guid(
+	IN		const	net64_t
port_guid,
+		OUT			mac_addr_t* const
p_mac_addr )
+{
+	const uint8_t	*p_guid = (const uint8_t*)&port_guid;
+
+	/* Port guid is in network byte order.  OUI is in lower 3 bytes.
*/
+	ASSERT( p_guid[0] == 0x00 && p_guid[1] == 0x18 && p_guid[2] ==
0x8b );
+	
+	p_mac_addr->addr[0] = p_guid[0];
+	p_mac_addr->addr[1] = p_guid[1];
+	p_mac_addr->addr[2] = p_guid[2];
+	p_mac_addr->addr[3] = p_guid[5];
+	p_mac_addr->addr[4] = p_guid[6];
+	p_mac_addr->addr[5] = p_guid[7];
+	
+	return IB_SUCCESS;
+}
 /*
 * PARAMETERS
 *	port_guid
@@ -244,6 +273,20 @@
 *	IB_SUCCESS
 *		The MAC address was successfully converted.
 *
+*********/
+/*
+* PARAMETERS
+*	port_guid
+*		The port GUID, in network byte order, for which to
generate a
+*		MAC address.
+*
+*	p_mac_addr
+*		Pointer to a mac address in which to store the results.
+*
+* RETURN VALUES
+*	IB_SUCCESS
+*		The MAC address was successfully converted.
+*
 *	IB_INVALID_GUID
 *		The port GUID provided was not a known GUID format.
 *
@@ -444,6 +487,12 @@
 			if( status == IB_SUCCESS )
 				return IB_SUCCESS;
 		}
+		else if( p_guid[1] == 0x18 && p_guid[2] == 0x8b )
+		{
+			status = ipoib_mac_from_dell_guid( port_guid,
p_mac_addr );
+			if( status == IB_SUCCESS )
+				return IB_SUCCESS;
+		}
 	}
 
 	/* Value of zero is reserved. */
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