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| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2019-09-10 16:41:27 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-11 09:21:34 +0100 |
| commit | c9b10043d0b8c57a75b61649e62f644962516efb (patch) | |
| tree | 7d0066fd8f516bf140e562c84076412ce08db72f /drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | |
| parent | e94e3f3b51cebd08eb3157a7f1fa9bae96703f18 (diff) | |
| download | linux-stable-c9b10043d0b8c57a75b61649e62f644962516efb.tar.gz linux-stable-c9b10043d0b8c57a75b61649e62f644962516efb.tar.bz2 linux-stable-c9b10043d0b8c57a75b61649e62f644962516efb.zip | |
net: stmmac: ARP Offload for GMAC4+ Cores
Implement the ARP Offload feature in GMAC4 and GMAC5 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/dwmac4_core.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index a99effe61325..9b4b5f69fc02 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -782,6 +782,22 @@ static void dwmac4_enable_vlan(struct mac_device_info *hw, u32 type) writel(value, ioaddr + GMAC_VLAN_INCL); } +static void dwmac4_set_arp_offload(struct mac_device_info *hw, bool en, + u32 addr) +{ + void __iomem *ioaddr = hw->pcsr; + u32 value; + + writel(addr, ioaddr + GMAC_ARP_ADDR); + + value = readl(ioaddr + GMAC_CONFIG); + if (en) + value |= GMAC_CONFIG_ARPEN; + else + value &= ~GMAC_CONFIG_ARPEN; + writel(value, ioaddr + GMAC_CONFIG); +} + const struct stmmac_ops dwmac4_ops = { .core_init = dwmac4_core_init, .set_mac = stmmac_set_mac, @@ -815,6 +831,7 @@ const struct stmmac_ops dwmac4_ops = { .update_vlan_hash = dwmac4_update_vlan_hash, .sarc_configure = dwmac4_sarc_configure, .enable_vlan = dwmac4_enable_vlan, + .set_arp_offload = dwmac4_set_arp_offload, }; const struct stmmac_ops dwmac410_ops = { @@ -850,6 +867,7 @@ const struct stmmac_ops dwmac410_ops = { .update_vlan_hash = dwmac4_update_vlan_hash, .sarc_configure = dwmac4_sarc_configure, .enable_vlan = dwmac4_enable_vlan, + .set_arp_offload = dwmac4_set_arp_offload, }; const struct stmmac_ops dwmac510_ops = { @@ -890,6 +908,7 @@ const struct stmmac_ops dwmac510_ops = { .update_vlan_hash = dwmac4_update_vlan_hash, .sarc_configure = dwmac4_sarc_configure, .enable_vlan = dwmac4_enable_vlan, + .set_arp_offload = dwmac4_set_arp_offload, }; int dwmac4_setup(struct stmmac_priv *priv) |