aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet
diff options
context:
space:
mode:
authorWeifeng Voon <weifeng.voon@intel.com>2019-07-04 00:59:10 +0800
committerDavid S. Miller <davem@davemloft.net>2019-07-04 12:33:12 -0700
commitc3efed5ad1b05cf825aa9d5a9068d9f41cb17139 (patch)
treeb22d9231ca013039d9464ffb7af979b057309e9b /drivers/net/ethernet
parentbonding: add an option to specify a delay between peer notifications (diff)
downloadlinux-dev-c3efed5ad1b05cf825aa9d5a9068d9f41cb17139.tar.xz
linux-dev-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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c13
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,
+};