diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2019-09-10 16:41:25 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-11 09:21:34 +0100 |
| commit | 1d982e93dff152c04e1852968d71c05b5b491443 (patch) | |
| tree | bee626df36594e624a644b8c327f7dce09f4b3f4 /drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | |
| parent | afdf26ab3c9b7bc13792fd55fc5f2878923fdf9d (diff) | |
net: stmmac: Add support for SA Insertion/Replacement in GMAC4+
Add the support for Source Address Insertion and Replacement in GMAC4
and GMAC5 cores. Two methods are supported: Descriptor based and
register based.
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_descs.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | 8 |
1 files changed, 8 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..8edc9f8787cc 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; @@ -476,6 +483,7 @@ 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, }; const struct stmmac_mode_ops dwmac4_ring_mode_ops = { |