diff options
| author |   Jose Abreu <Jose.Abreu@synopsys.com> | 2019-08-17 20:54:50 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-08-17 12:43:59 -0700 |
| commit | 30d932279dc226d4471c823618dba5c1ea1e681e (patch) | |
| tree | fa69e278f5c14d249eadc38e2ef5ce7f105e1854 /drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | |
| parent | net: stmmac: xgmac: Add EEE support (diff) | |
| download | linux-dev-30d932279dc226d4471c823618dba5c1ea1e681e.tar.xz linux-dev-30d932279dc226d4471c823618dba5c1ea1e681e.zip | |
net: stmmac: Add support for VLAN Insertion Offload
Adds the logic to insert a given VLAN ID in a packet. This is offloaded
to HW and its descriptor based. For now, only XGMAC implements the
necessary callbacks.
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 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index d8483d088711..e534a3aaf4a3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -1150,6 +1150,19 @@ static void dwxgmac2_sarc_configure(void __iomem *ioaddr, int val) writel(value, ioaddr + XGMAC_TX_CONFIG); } +static void dwxgmac2_enable_vlan(struct mac_device_info *hw, u32 type) +{ + void __iomem *ioaddr = hw->pcsr; + u32 value; + + value = readl(ioaddr + XGMAC_VLAN_INCL); + value |= XGMAC_VLAN_VLTI; + value |= XGMAC_VLAN_CSVL; /* Only use SVLAN */ + value &= ~XGMAC_VLAN_VLC; + value |= (type << XGMAC_VLAN_VLC_SHIFT) & XGMAC_VLAN_VLC; + writel(value, ioaddr + XGMAC_VLAN_INCL); +} + const struct stmmac_ops dwxgmac210_ops = { .core_init = dwxgmac2_core_init, .set_mac = dwxgmac2_set_mac, @@ -1189,6 +1202,7 @@ const struct stmmac_ops dwxgmac210_ops = { .get_mac_tx_timestamp = dwxgmac2_get_mac_tx_timestamp, .flex_pps_config = dwxgmac2_flex_pps_config, .sarc_configure = dwxgmac2_sarc_configure, + .enable_vlan = dwxgmac2_enable_vlan, }; int dwxgmac2_setup(struct stmmac_priv *priv) |