Commit 25683bab authored Oct 06, 2019 by Jose Abreu Committed by David S. Miller Oct 06, 2019

net: stmmac: gmac4+: Not all Unicast addresses may be available



Some setups may not have all Unicast addresses filters available. Check
the number of available filters before trying to setup it.

Fixes: 477286b5 ("stmmac: add GMAC4 core support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b870b0f8

drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -448,7 +448,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw,
		value \|= GMAC_PACKET_FILTER_HPF;

		/* Handle multiple unicast addresses */
		if (netdev_uc_count(dev) > GMAC_MAX_PERFECT_ADDRESSES) {
		if (netdev_uc_count(dev) > hw->unicast_filter_entries) {
		/* Switch to promiscuous mode if more than 128 addrs
		* are required
		*/

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