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Diffstat (limited to 'net/ncsi/ncsi-rsp.c')
-rw-r--r--net/ncsi/ncsi-rsp.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c
index d48374894817..6447a09932f5 100644
--- a/net/ncsi/ncsi-rsp.c
+++ b/net/ncsi/ncsi-rsp.c
@@ -699,9 +699,51 @@ static int ncsi_rsp_handler_oem_bcm(struct ncsi_request *nr)
 	return 0;
 }
 
+/* Response handler for Intel command Get Mac Address */
+static int ncsi_rsp_handler_oem_intel_gma(struct ncsi_request *nr)
+{
+	struct ncsi_dev_priv *ndp = nr->ndp;
+	struct net_device *ndev = ndp->ndev.dev;
+	const struct net_device_ops *ops = ndev->netdev_ops;
+	struct ncsi_rsp_oem_pkt *rsp;
+	struct sockaddr saddr;
+	int ret = 0;
+
+	/* Get the response header */
+	rsp = (struct ncsi_rsp_oem_pkt *)skb_network_header(nr->rsp);
+
+	saddr.sa_family = ndev->type;
+	ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+	memcpy(saddr.sa_data, &rsp->data[INTEL_MAC_ADDR_OFFSET], ETH_ALEN);
+	/* Increase mac address by 1 for BMC's address */
+	eth_addr_inc((u8 *)saddr.sa_data);
+	if (!is_valid_ether_addr((const u8 *)saddr.sa_data))
+		return -ENXIO;
+
+	/* Set the flag for GMA command which should only be called once */
+	ndp->gma_flag = 1;
+
+	ret = ops->ndo_set_mac_address(ndev, &saddr);
+	if (ret < 0)
+		netdev_warn(ndev,
+			    "NCSI: 'Writing mac address to device failed\n");
+
+	return ret;
+}
+
 /* Response handler for Intel card */
 static int ncsi_rsp_handler_oem_intel(struct ncsi_request *nr)
 {
+	struct ncsi_rsp_oem_intel_pkt *intel;
+	struct ncsi_rsp_oem_pkt *rsp;
+
+	/* Get the response header */
+	rsp = (struct ncsi_rsp_oem_pkt *)skb_network_header(nr->rsp);
+	intel = (struct ncsi_rsp_oem_intel_pkt *)(rsp->data);
+
+	if (intel->cmd == NCSI_OEM_INTEL_CMD_GMA)
+		return ncsi_rsp_handler_oem_intel_gma(nr);
+
 	return 0;
 }