rtnetlink: Add more well known protocol values

FRRouting installs routes into the kernel associated with
the originating protocol.  Add these values to the well
known values in rtnetlink.h.
Signed-off-by: NDonald Sharp <sharpd@cumulusnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/uapi/linux/rtnetlink.h

@@ -254,6 +254,11 @@ enum {
 #define RTPROT_DHCP	16      /* DHCP client */
 #define RTPROT_MROUTED	17      /* Multicast daemon */
 #define RTPROT_BABEL	42      /* Babel daemon */
+#define RTPROT_BGP	186     /* BGP Routes */
+#define RTPROT_ISIS	187     /* ISIS Routes */
+#define RTPROT_OSPF	188     /* OSPF Routes */
+#define RTPROT_RIP	189     /* RIP Routes */
+#define RTPROT_EIGRP	192     /* EIGRP Routes */
 
 /* rtm_scope