diff options
| author |   Jose Abreu <Jose.Abreu@synopsys.com> | 2019-09-10 16:41:23 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-09-11 09:21:34 +0100 |
| commit | c1be0022df0dae7b2012231eca2385970382e533 (patch) | |
| tree | 271e54bd5eecec7de9044e1c125a6fe7fe9c7127 /drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | |
| parent | net: stmmac: Prevent divide-by-zero (diff) | |
| download | linux-dev-c1be0022df0dae7b2012231eca2385970382e533.tar.xz linux-dev-c1be0022df0dae7b2012231eca2385970382e533.zip | |
net: stmmac: Add VLAN HASH filtering support in GMAC4+
Adds the support for VLAN HASH Filtering in GMAC4/5 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 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 596311a80d1c..5b43a8df1536 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -731,6 +731,34 @@ static void dwmac4_set_mac_loopback(void __iomem *ioaddr, bool enable) writel(value, ioaddr + GMAC_CONFIG); } +static void dwmac4_update_vlan_hash(struct mac_device_info *hw, u32 hash, + bool is_double) +{ + void __iomem *ioaddr = hw->pcsr; + + writel(hash, ioaddr + GMAC_VLAN_HASH_TABLE); + + if (hash) { + u32 value = GMAC_VLAN_VTHM | GMAC_VLAN_ETV; + if (is_double) { + value |= GMAC_VLAN_EDVLP; + value |= GMAC_VLAN_ESVL; + value |= GMAC_VLAN_DOVLTC; + } + + writel(value, ioaddr + GMAC_VLAN_TAG); + } else { + u32 value = readl(ioaddr + GMAC_VLAN_TAG); + + value &= ~(GMAC_VLAN_VTHM | GMAC_VLAN_ETV); + value &= ~(GMAC_VLAN_EDVLP | GMAC_VLAN_ESVL); + value &= ~GMAC_VLAN_DOVLTC; + value &= ~GMAC_VLAN_VID; + + writel(value, ioaddr + GMAC_VLAN_TAG); + } +} + const struct stmmac_ops dwmac4_ops = { .core_init = dwmac4_core_init, .set_mac = stmmac_set_mac, @@ -761,6 +789,7 @@ const struct stmmac_ops dwmac4_ops = { .debug = dwmac4_debug, .set_filter = dwmac4_set_filter, .set_mac_loopback = dwmac4_set_mac_loopback, + .update_vlan_hash = dwmac4_update_vlan_hash, }; const struct stmmac_ops dwmac410_ops = { @@ -793,6 +822,7 @@ const struct stmmac_ops dwmac410_ops = { .debug = dwmac4_debug, .set_filter = dwmac4_set_filter, .set_mac_loopback = dwmac4_set_mac_loopback, + .update_vlan_hash = dwmac4_update_vlan_hash, }; const struct stmmac_ops dwmac510_ops = { @@ -830,6 +860,7 @@ const struct stmmac_ops dwmac510_ops = { .rxp_config = dwmac5_rxp_config, .flex_pps_config = dwmac5_flex_pps_config, .set_mac_loopback = dwmac4_set_mac_loopback, + .update_vlan_hash = dwmac4_update_vlan_hash, }; int dwmac4_setup(struct stmmac_priv *priv) |