net/enic: allow multicast in MAC address add callback

enic_set_mac_address() (mac_addr_add callback) currently allows only
non-zero, unicast address to be added. It is overly restrictive.
rte_eth_dev_mac_addr_add() itself allows multicast addresses. And,
some applications do use rte_eth_dev_mac_addr_add() to accept
multicast addresses. So, remove the unicast check in
enic_set_mac_address().

Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com>
Reviewed-by: John Daley <johndale@cisco.com>

drivers/net/enic/enic_main.c

@@ -32,21 +32,6 @@
 #include "vnic_intr.h"
 #include "vnic_nic.h"
 
-static int is_zero_addr(uint8_t *addr)
-{
-	return !(addr[0] |  addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
-}
-
-static int is_mcast_addr(uint8_t *addr)
-{
-	return addr[0] & 1;
-}
-
-static int is_eth_addr_valid(uint8_t *addr)
-{
-	return !is_mcast_addr(addr) && !is_zero_addr(addr);
-}
-
 void
 enic_rxmbuf_queue_release(__rte_unused struct enic *enic, struct vnic_rq *rq)
 {
@@ -177,11 +162,6 @@ int enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
 {
 	int err;
 
-	if (!is_eth_addr_valid(mac_addr)) {
-		dev_err(enic, "invalid mac address\n");
-		return -EINVAL;
-	}
-
 	err = enic_dev_add_addr(enic, mac_addr);
 	if (err)
 		dev_err(enic, "add mac addr failed\n");