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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: netdev@vger.kernel.org
Cc: bpf@vger.kernel.org, davem@davemloft.net, sameehj@amazon.com,
	kuba@kernel.org, john.fastabend@gmail.com, daniel@iogearbox.net,
	ast@kernel.org, shayagr@amazon.com, brouer@redhat.com,
	echaudro@redhat.com, lorenzo.bianconi@redhat.com,
	dsahern@kernel.org
Subject: [PATCH v3 net-next 11/12] net: mvneta: enable jumbo frames for XDP
Date: Wed, 30 Sep 2020 17:42:02 +0200	[thread overview]
Message-ID: <4b9ba38a87b570569cb05bd94f487168fdd83fa8.1601478613.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1601478613.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 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


  parent reply	other threads:[~2020-09-30 15:43 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-30 15:41 [PATCH v3 net-next 00/12] mvneta: introduce XDP multi-buffer support Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 01/12] xdp: introduce mb in xdp_buff/xdp_frame Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 02/12] xdp: initialize xdp_buff mb bit to 0 in all XDP drivers Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 03/12] net: mvneta: update mb bit before passing the xdp buffer to eBPF layer Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 04/12] xdp: add multi-buff support to xdp_return_{buff/frame} Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 05/12] net: mvneta: add multi buffer support to XDP_TX Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 06/12] bpf: helpers: add multibuffer support Lorenzo Bianconi
2020-09-30 19:11   ` Alexei Starovoitov
2020-10-01  9:47     ` Jesper Dangaard Brouer
2020-10-01 15:05     ` Lorenzo Bianconi
2020-10-01 15:40       ` Alexei Starovoitov
2020-10-01 15:44         ` Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 07/12] samples/bpf: add bpf program that uses xdp mb helpers Lorenzo Bianconi
2020-09-30 15:41 ` [PATCH v3 net-next 08/12] bpf: move user_size out of bpf_test_init Lorenzo Bianconi
2020-09-30 15:42 ` [PATCH v3 net-next 09/12] bpf: introduce multibuff support to bpf_prog_test_run_xdp() Lorenzo Bianconi
2020-09-30 15:42 ` [PATCH v3 net-next 10/12] bpf: add xdp multi-buffer selftest Lorenzo Bianconi
2020-10-01  7:43   ` Eelco Chaudron
2020-09-30 15:42 ` Lorenzo Bianconi [this message]
2020-09-30 15:42 ` [PATCH v3 net-next 12/12] bpf: cpumap: introduce xdp multi-buff support Lorenzo Bianconi
2020-09-30 16:31 ` [PATCH v3 net-next 00/12] mvneta: introduce XDP multi-buffer support Jakub Kicinski
2020-09-30 16:39   ` Lorenzo Bianconi
2020-09-30 21:40     ` Jakub Kicinski
2020-09-30 19:47 ` John Fastabend
2020-10-01  9:04   ` Lorenzo Bianconi

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