| Message ID | 1562173150-808-1-git-send-email-weifeng.voon@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | David Miller |
| Headers | show |
| Series | [v1,net-next] net: stmmac: Enable dwmac4 jumbo frame more than 8KiB | expand |
From: Voon Weifeng <weifeng.voon@intel.com> Date: Thu, 4 Jul 2019 00:59:10 +0800 > From: Weifeng Voon <weifeng.voon@intel.com> > > 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> Applied.
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 @@ static void dwmac4_clear(struct dma_desc *p) .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, +};