From 216902ae770e21e739cd3b530b0b3ab3c28641d3 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Wed, 8 Apr 2020 09:19:12 -0700 Subject: ionic: set station addr only if needed The code was working too hard and in some cases was trying to delete filters that weren't there, generating a potentially misleading error message. IONIC_CMD_RX_FILTER_DEL (32) failed: IONIC_RC_ENOENT (-2) Fixes: 2a654540be10 ("ionic: Add Rx filter and rx_mode ndo support") Signed-off-by: Shannon Nelson Signed-off-by: David S. Miller --- drivers/net/ethernet/pensando/ionic/ionic_lif.c | 32 +++++++++++++++---------- 1 file changed, 19 insertions(+), 13 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index f8f437aec027..5acf4f46c268 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -2341,24 +2341,30 @@ static int ionic_station_set(struct ionic_lif *lif) err = ionic_adminq_post_wait(lif, &ctx); if (err) return err; - + netdev_dbg(lif->netdev, "found initial MAC addr %pM\n", + ctx.comp.lif_getattr.mac); if (is_zero_ether_addr(ctx.comp.lif_getattr.mac)) return 0; - memcpy(addr.sa_data, ctx.comp.lif_getattr.mac, netdev->addr_len); - addr.sa_family = AF_INET; - err = eth_prepare_mac_addr_change(netdev, &addr); - if (err) { - netdev_warn(lif->netdev, "ignoring bad MAC addr from NIC %pM - err %d\n", - addr.sa_data, err); - return 0; - } + if (!ether_addr_equal(ctx.comp.lif_getattr.mac, netdev->dev_addr)) { + memcpy(addr.sa_data, ctx.comp.lif_getattr.mac, netdev->addr_len); + addr.sa_family = AF_INET; + err = eth_prepare_mac_addr_change(netdev, &addr); + if (err) { + netdev_warn(lif->netdev, "ignoring bad MAC addr from NIC %pM - err %d\n", + addr.sa_data, err); + return 0; + } - netdev_dbg(lif->netdev, "deleting station MAC addr %pM\n", - netdev->dev_addr); - ionic_lif_addr(lif, netdev->dev_addr, false); + if (!is_zero_ether_addr(netdev->dev_addr)) { + netdev_dbg(lif->netdev, "deleting station MAC addr %pM\n", + netdev->dev_addr); + ionic_lif_addr(lif, netdev->dev_addr, false); + } + + eth_commit_mac_addr_change(netdev, &addr); + } - eth_commit_mac_addr_change(netdev, &addr); netdev_dbg(lif->netdev, "adding station MAC addr %pM\n", netdev->dev_addr); ionic_lif_addr(lif, netdev->dev_addr, true); -- cgit