kernel: backport switch user API changes after r36283

3.3 and 3.6 kernels do not make use of the UAPI headers, still they need
to provide an up-to-date switch.h copy for swconfig to build.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 36295

target/linux/generic/patches-3.3/a03-swconfig-revert-UAPI-disintegration.patch

@@ -1,6 +1,6 @@
 --- a/include/linux/switch.h
 +++ b/include/linux/switch.h
-@@ -13,11 +13,86 @@
+@@ -13,11 +13,95 @@
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
@@ -35,6 +35,7 @@
 +	SWITCH_ATTR_NAME,
 +	SWITCH_ATTR_VLANS,
 +	SWITCH_ATTR_PORTS,
++	SWITCH_ATTR_PORTMAP,
 +	SWITCH_ATTR_CPU_PORT,
 +	/* attributes */
 +	SWITCH_ATTR_OP_ID,
@@ -51,6 +52,14 @@
 +	SWITCH_ATTR_MAX
 +};
 +
++enum {
++	/* port map */
++	SWITCH_PORTMAP_PORTS,
++	SWITCH_PORTMAP_SEGMENT,
++	SWITCH_PORTMAP_VIRT,
++	SWITCH_PORTMAP_MAX
++};
++
 +/* commands */
 +enum {
 +	SWITCH_CMD_UNSPEC,
@@ -90,7 +99,7 @@
  
  struct switch_dev;
  struct switch_op;
-@@ -157,4 +232,6 @@ struct switch_attr {
+@@ -164,4 +248,6 @@ struct switch_attr {
  	int max;
  };