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net: stmmac: xgmac: Not all Unicast addresses may be available

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Some setups may not have all Unicast addresses filters available. Let's
check this before trying to setup filters.

Fixes: 0efedbf11f ("net: stmmac: xgmac: Fix XGMAC selftests")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-09-30 10:19:05 +02:00 committed by David S. Miller
parent 93c2fcb01a
commit 9a2ae7b396
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
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@ -472,7 +472,7 @@ 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) > XGMAC_ADDR_MAX) {
if (netdev_uc_count(dev) > hw->unicast_filter_entries) {
value |= XGMAC_FILTER_PR;
} else {
struct netdev_hw_addr *ha;