net: stmmac: dwxgmac: Account for the primary MAC address for UC filtering

The same filter slots are used to store the main MAC address as well as
the address for the unicast filter. Let's account for that when deciding
whether or not to use promisc when programming the UC list in hardware.

Fixes: 0efedbf11f ("net: stmmac: xgmac: Fix XGMAC selftests")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260826140500.616466-5-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Maxime Chevallier 2026-08-26 16:04:56 +02:00 committed by Jakub Kicinski
parent 82187f42c0
commit 2739d6f9a2

View File

@ -532,7 +532,7 @@ static void dwxgmac2_set_filter(struct mac_device_info *hw,
dwxgmac2_set_mchash(ioaddr, mc_filter, mcbitslog2);
/* Handle multiple unicast addresses */
if (netdev_uc_count(dev) > hw->unicast_filter_entries) {
if (netdev_uc_count(dev) + 1 > hw->unicast_filter_entries) {
value |= XGMAC_FILTER_PR;
} else {
struct netdev_hw_addr *ha;