From 7c7b58d46b7636ff3cfb01cc633dda852fda70c8 Mon Sep 17 00:00:00 2001 From: Vijay Khemka Date: Tue, 7 Jan 2020 11:30:33 -0800 Subject: [PATCH] net/ncsi: Send device address as source address After receiving device mac address from device, send this as a source address for further commands instead of broadcast address. This will help in multi host NIC cards. Signed-off-by: Vijay Khemka Signed-off-by: David S. Miller --- net/ncsi/ncsi-cmd.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/net/ncsi/ncsi-cmd.c b/net/ncsi/ncsi-cmd.c index 0187e65176c0..ba9ae482141b 100644 --- a/net/ncsi/ncsi-cmd.c +++ b/net/ncsi/ncsi-cmd.c @@ -369,7 +369,15 @@ int ncsi_xmit_cmd(struct ncsi_cmd_arg *nca) eh = skb_push(nr->cmd, sizeof(*eh)); eh->h_proto = htons(ETH_P_NCSI); eth_broadcast_addr(eh->h_dest); - eth_broadcast_addr(eh->h_source); + + /* If mac address received from device then use it for + * source address as unicast address else use broadcast + * address as source address + */ + if (nca->ndp->gma_flag == 1) + memcpy(eh->h_source, nca->ndp->ndev.dev->dev_addr, ETH_ALEN); + else + eth_broadcast_addr(eh->h_source); /* Start the timer for the request that might not have * corresponding response. Given NCSI is an internal