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| author |   Jose Abreu <Jose.Abreu@synopsys.com> | 2019-09-04 15:16:58 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-09-05 12:19:54 +0200 |
| commit | 5904a980f93c6bba44055dd4e7c6cb6cbb8b2a48 (patch) | |
| tree | 5075985101abad4f73d3f328ce3eb20d098c2477 /drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | |
| parent | net: stmmac: selftests: Add selftest for L3/L4 Filters (diff) | |
| download | linux-dev-5904a980f93c6bba44055dd4e7c6cb6cbb8b2a48.tar.xz linux-dev-5904a980f93c6bba44055dd4e7c6cb6cbb8b2a48.zip | |
net: stmmac: xgmac: Implement ARP Offload
Implement the ARP Offload feature in XGMAC cores.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index 9f568b54b339..36262ef8b70a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -1338,6 +1338,22 @@ static int dwxgmac2_config_l4_filter(struct mac_device_info *hw, u32 filter_no, return 0; } +static void dwxgmac2_set_arp_offload(struct mac_device_info *hw, bool en, + u32 addr) +{ + void __iomem *ioaddr = hw->pcsr; + u32 value; + + writel(addr, ioaddr + XGMAC_ARP_ADDR); + + value = readl(ioaddr + XGMAC_RX_CONFIG); + if (en) + value |= XGMAC_CONFIG_ARPEN; + else + value &= ~XGMAC_CONFIG_ARPEN; + writel(value, ioaddr + XGMAC_RX_CONFIG); +} + const struct stmmac_ops dwxgmac210_ops = { .core_init = dwxgmac2_core_init, .set_mac = dwxgmac2_set_mac, @@ -1380,6 +1396,7 @@ const struct stmmac_ops dwxgmac210_ops = { .enable_vlan = dwxgmac2_enable_vlan, .config_l3_filter = dwxgmac2_config_l3_filter, .config_l4_filter = dwxgmac2_config_l4_filter, + .set_arp_offload = dwxgmac2_set_arp_offload, }; int dwxgmac2_setup(struct stmmac_priv *priv) |