Thread (24 messages) 24 messages, 6 authors, 2020-10-01

[PATCH v3 net-next 11/12] net: mvneta: enable jumbo frames for XDP

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STALE2205d SUPERSEDED

From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: 2020-09-30 15:43:11
Also in: bpf
Subsystem: marvell mvneta ethernet driver, networking drivers, the rest · Maintainers: Marcin Wojtas, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Revision v3 of 19 in this series.

Revisions (19)
  1. v3 current
  2. v4 [diff vs current]
  3. v5 [diff vs current]
  4. v7 [diff vs current]
  5. v8 [diff vs current]
  6. v9 [diff vs current]
  7. v11 [diff vs current]
  8. v12 [diff vs current]
  9. v13 [diff vs current]
  10. v14 [diff vs current]
  11. v15 [diff vs current]
  12. v16 [diff vs current]
  13. v17 [diff vs current]
  14. v18 [diff vs current]
  15. v19 [diff vs current]
  16. v20 [diff vs current]
  17. v21 [diff vs current]
  18. v22 [diff vs current]
  19. v23 [diff vs current]
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 f709650974ea..e3352ed13ea8 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3743,11 +3743,6 @@ 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)) {
@@ -4445,11 +4440,6 @@ 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, "Jumbo frames not supported on XDP");
-		return -EOPNOTSUPP;
-	}
-
 	if (pp->bm_priv) {
 		NL_SET_ERR_MSG_MOD(extack,
 				   "Hardware Buffer Management not supported on XDP");
-- 
2.26.2
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