TechPanelGM/kernel_xiaomi_sm8250
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: stmmac: Enable 16KB buffer size

Browse Source 
commit b2f3a481c4cd62f78391b836b64c0a6e72b503d2 upstream.

XGMAC supports maximum MTU that can go to 16KB. Lets add this check in
the calculation of RX buffer size.

Fixes: 7ac6653a08 ("stmmac: Move the STMicroelectronics driver")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jose Abreu
2019-12-18 11:17:42 +01:00
committed by Greg Kroah-Hartman
parent 76a8497e12
commit 140e63d7fc
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@@ -1082,7 +1082,9 @@ static int stmmac_set_bfsize(int mtu, int bufsize)
{ {
int ret = bufsize; int ret = bufsize;
if (mtu >= BUF_SIZE_4KiB) if (mtu >= BUF_SIZE_8KiB)
ret = BUF_SIZE_16KiB;
else if (mtu >= BUF_SIZE_4KiB)
ret = BUF_SIZE_8KiB; ret = BUF_SIZE_8KiB;
else if (mtu >= BUF_SIZE_2KiB) else if (mtu >= BUF_SIZE_2KiB)
ret = BUF_SIZE_4KiB; ret = BUF_SIZE_4KiB;