[PATCH v9 bpf-next 06/14] net: mvneta: enable jumbo frames for XDP

Lorenzo Bianconi
2021-06-14T12:51:01Z

Enable the capability to receive jumbo frames even if the interface is
running in XDP mode

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/ethernet/marvell/mvneta.c | 10 ----------
1 file changed, 10 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index ab57be38ba03..505bec673ff7 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3780,11 +3780,6 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu)
mtu = ALIGN(MVNETA_RX_PKT_SIZE(mtu), 8);
}

- if (pp->xdp_prog && mtu > MVNETA_MAX_RX_BUF_SIZE) {
- netdev_info(dev, "Illegal MTU value %d for XDP mode\n", mtu);
- return -EINVAL;
- }
-
dev->mtu = mtu;

if (!netif_running(dev)) {
@@ -4486,11 +4481,6 @@ static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog *prog,
struct mvneta_port *pp = netdev_priv(dev);
struct bpf_prog *old_prog;

- if (prog && dev->mtu > MVNETA_MAX_RX_BUF_SIZE) {
- NL_SET_ERR_MSG_MOD(extack, "MTU too large for XDP");
- return -EOPNOTSUPP;
- }
-
if (pp->bm_priv) {
NL_SET_ERR_MSG_MOD(extack,
"Hardware Buffer Management not supported on XDP");
--
2.31.1