diff options
| author | Weifeng Voon <weifeng.voon@intel.com> | 2019-07-04 00:59:10 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-07-04 12:33:12 -0700 |
| commit | c3efed5ad1b05cf825aa9d5a9068d9f41cb17139 (patch) | |
| tree | b22d9231ca013039d9464ffb7af979b057309e9b | |
| parent | 07a4ddec3ce9b0a533b5f90f582f1057390d5e63 (diff) | |
| download | lwn-c3efed5ad1b05cf825aa9d5a9068d9f41cb17139.tar.gz lwn-c3efed5ad1b05cf825aa9d5a9068d9f41cb17139.zip | |
net: stmmac: Enable dwmac4 jumbo frame more than 8KiB
Enable GMAC v4.xx and beyond to support 16KiB buffer.
Signed-off-by: Weifeng Voon <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index cf6436d3d6c7..dbde23e7e169 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -443,6 +443,15 @@ static void dwmac4_clear(struct dma_desc *p) p->des3 = 0; } +static int set_16kib_bfsize(int mtu) +{ + int ret = 0; + + if (unlikely(mtu >= BUF_SIZE_8KiB)) + ret = BUF_SIZE_16KiB; + return ret; +} + const struct stmmac_desc_ops dwmac4_desc_ops = { .tx_status = dwmac4_wrback_get_tx_status, .rx_status = dwmac4_wrback_get_rx_status, @@ -469,4 +478,6 @@ const struct stmmac_desc_ops dwmac4_desc_ops = { .clear = dwmac4_clear, }; -const struct stmmac_mode_ops dwmac4_ring_mode_ops = { }; +const struct stmmac_mode_ops dwmac4_ring_mode_ops = { + .set_16kib_bfsize = set_16kib_bfsize, +}; |