diff options
| author |   Jose Abreu <Jose.Abreu@synopsys.com> | 2019-08-07 10:03:14 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-08-08 22:20:19 -0700 |
| commit | 3cd1cfcba26e2ebbadcd84ba118e785b8963e11b (patch) | |
| tree | e071438b38d6048168a9408d5f91cff88e7af753 /drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | |
| parent | net: stmmac: selftests: Add RSS test (diff) | |
| download | linux-dev-3cd1cfcba26e2ebbadcd84ba118e785b8963e11b.tar.xz linux-dev-3cd1cfcba26e2ebbadcd84ba118e785b8963e11b.zip | |
net: stmmac: Implement VLAN Hash Filtering in XGMAC
Implement the VLAN Hash Filtering feature in XGMAC core.
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 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index 04eec85acc59..e2dbebeb59e9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -490,6 +490,46 @@ static int dwxgmac2_rss_configure(struct mac_device_info *hw, return 0; } +static void dwxgmac2_update_vlan_hash(struct mac_device_info *hw, u32 hash, + bool is_double) +{ + void __iomem *ioaddr = hw->pcsr; + + writel(hash, ioaddr + XGMAC_VLAN_HASH_TABLE); + + if (hash) { + u32 value = readl(ioaddr + XGMAC_PACKET_FILTER); + + value |= XGMAC_FILTER_VTFE; + + writel(value, ioaddr + XGMAC_PACKET_FILTER); + + value |= XGMAC_VLAN_VTHM | XGMAC_VLAN_ETV; + if (is_double) { + value |= XGMAC_VLAN_EDVLP; + value |= XGMAC_VLAN_ESVL; + value |= XGMAC_VLAN_DOVLTC; + } + + writel(value, ioaddr + XGMAC_VLAN_TAG); + } else { + u32 value = readl(ioaddr + XGMAC_PACKET_FILTER); + + value &= ~XGMAC_FILTER_VTFE; + + writel(value, ioaddr + XGMAC_PACKET_FILTER); + + value = readl(ioaddr + XGMAC_VLAN_TAG); + + value &= ~(XGMAC_VLAN_VTHM | XGMAC_VLAN_ETV); + value &= ~(XGMAC_VLAN_EDVLP | XGMAC_VLAN_ESVL); + value &= ~XGMAC_VLAN_DOVLTC; + value &= ~XGMAC_VLAN_VID; + + writel(value, ioaddr + XGMAC_VLAN_TAG); + } +} + const struct stmmac_ops dwxgmac210_ops = { .core_init = dwxgmac2_core_init, .set_mac = dwxgmac2_set_mac, @@ -521,6 +561,7 @@ const struct stmmac_ops dwxgmac210_ops = { .set_filter = dwxgmac2_set_filter, .set_mac_loopback = dwxgmac2_set_mac_loopback, .rss_configure = dwxgmac2_rss_configure, + .update_vlan_hash = dwxgmac2_update_vlan_hash, }; int dwxgmac2_setup(struct stmmac_priv *priv) |