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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: bpf@vger.kernel.org, netdev@vger.kernel.org
Cc: lorenzo.bianconi@redhat.com, davem@davemloft.net,
	kuba@kernel.org, ast@kernel.org, daniel@iogearbox.net,
	shayagr@amazon.com, john.fastabend@gmail.com, dsahern@kernel.org,
	brouer@redhat.com, echaudro@redhat.com, jasowang@redhat.com,
	alexander.duyck@gmail.com, saeed@kernel.org,
	maciej.fijalkowski@intel.com, sameehj@amazon.com
Subject: [PATCH v6 bpf-next 6/8] net: mvneta: enable jumbo frames for XDP
Date: Tue, 19 Jan 2021 21:20:12 +0100	[thread overview]
Message-ID: <6e8d1cc2fb0af6e1b54e97980501ebf6a3e50833.1611086134.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1611086134.git.lorenzo@kernel.org>

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 c273e674e3de..45a3a8cb12fa 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3763,11 +3763,6 @@ 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)) {
@@ -4465,11 +4460,6 @@ 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");
-- 
2.29.2


  parent reply	other threads:[~2021-01-19 20:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19 20:20 [PATCH v6 bpf-next 0/8] mvneta: introduce XDP multi-buffer support Lorenzo Bianconi
2021-01-19 20:20 ` [PATCH v6 bpf-next 1/8] xdp: introduce mb in xdp_buff/xdp_frame Lorenzo Bianconi
2021-01-19 20:20 ` [PATCH v6 bpf-next 2/8] xdp: add xdp_shared_info data structure Lorenzo Bianconi
2021-01-19 20:20 ` [PATCH v6 bpf-next 3/8] net: mvneta: update mb bit before passing the xdp buffer to eBPF layer Lorenzo Bianconi
2021-01-19 20:20 ` [PATCH v6 bpf-next 4/8] xdp: add multi-buff support to xdp_return_{buff/frame} Lorenzo Bianconi
2021-01-19 20:20 ` [PATCH v6 bpf-next 5/8] net: mvneta: add multi buffer support to XDP_TX Lorenzo Bianconi
2021-01-19 20:20 ` Lorenzo Bianconi [this message]
2021-01-19 20:20 ` [PATCH v6 bpf-next 7/8] net: xdp: add multi-buff support to xdp_build_skb_from_fram Lorenzo Bianconi
2021-01-19 20:20 ` [PATCH v6 bpf-next 8/8] bpf: add multi-buff support to the bpf_xdp_adjust_tail() API Lorenzo Bianconi
2021-01-23  1:03 ` [PATCH v6 bpf-next 0/8] mvneta: introduce XDP multi-buffer support Daniel Borkmann
2021-01-31 17:23   ` Lorenzo Bianconi
2021-02-03 13:24     ` Jubran, Samih

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