diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index dbde23e7e169..15eb1abba91d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -443,6 +443,13 @@ static void dwmac4_clear(struct dma_desc *p) p->des3 = 0; } +static void dwmac4_set_sarc(struct dma_desc *p, u32 sarc_type) +{ + sarc_type <<= TDES3_SA_INSERT_CTRL_SHIFT; + + p->des3 |= cpu_to_le32(sarc_type & TDES3_SA_INSERT_CTRL_MASK); +} + static int set_16kib_bfsize(int mtu) { int ret = 0; @@ -452,6 +459,39 @@ static int set_16kib_bfsize(int mtu) return ret; } +static void dwmac4_set_vlan_tag(struct dma_desc *p, u16 tag, u16 inner_tag, + u32 inner_type) +{ + p->des0 = 0; + p->des1 = 0; + p->des2 = 0; + p->des3 = 0; + + /* Inner VLAN */ + if (inner_type) { + u32 des = inner_tag << TDES2_IVT_SHIFT; + + des &= TDES2_IVT_MASK; + p->des2 = cpu_to_le32(des); + + des = inner_type << TDES3_IVTIR_SHIFT; + des &= TDES3_IVTIR_MASK; + p->des3 = cpu_to_le32(des | TDES3_IVLTV); + } + + /* Outer VLAN */ + p->des3 |= cpu_to_le32(tag & TDES3_VLAN_TAG); + p->des3 |= cpu_to_le32(TDES3_VLTV); + + p->des3 |= cpu_to_le32(TDES3_CONTEXT_TYPE); +} + +static void dwmac4_set_vlan(struct dma_desc *p, u32 type) +{ + type <<= TDES2_VLAN_TAG_SHIFT; + p->des2 |= cpu_to_le32(type & TDES2_VLAN_TAG_MASK); +} + const struct stmmac_desc_ops dwmac4_desc_ops = { .tx_status = dwmac4_wrback_get_tx_status, .rx_status = dwmac4_wrback_get_rx_status, @@ -476,6 +516,9 @@ const struct stmmac_desc_ops dwmac4_desc_ops = { .get_addr = dwmac4_get_addr, .set_addr = dwmac4_set_addr, .clear = dwmac4_clear, + .set_sarc = dwmac4_set_sarc, + .set_vlan_tag = dwmac4_set_vlan_tag, + .set_vlan = dwmac4_set_vlan, }; const struct stmmac_mode_ops dwmac4_ring_mode_ops = { |