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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, sameehj@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
Subject: [PATCH v8 bpf-next 06/14] net: mvneta: enable jumbo frames for XDP
Date: Thu,  8 Apr 2021 14:50:58 +0200	[thread overview]
Message-ID: <ccfee0a32656a9b081cec769b469dea8d184383f.1617885385.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1617885385.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 e95d8df0fcdb..8489a7522453 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3771,11 +3771,6 @@ 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)) {
@@ -4477,11 +4472,6 @@ 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");
-- 
2.30.2


  parent reply	other threads:[~2021-04-08 12:51 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08 12:50 [PATCH v8 bpf-next 00/14] mvneta: introduce XDP multi-buffer support Lorenzo Bianconi
2021-04-08 12:50 ` [PATCH v8 bpf-next 01/14] xdp: introduce mb in xdp_buff/xdp_frame Lorenzo Bianconi
2021-04-08 18:17   ` Vladimir Oltean
2021-04-09 16:03     ` Lorenzo Bianconi
2021-04-29 13:36   ` Jesper Dangaard Brouer
2021-04-29 13:54     ` Lorenzo Bianconi
2021-04-08 12:50 ` [PATCH v8 bpf-next 02/14] xdp: add xdp_shared_info data structure Lorenzo Bianconi
2021-04-08 13:39   ` Vladimir Oltean
2021-04-08 14:26     ` Lorenzo Bianconi
2021-04-08 18:06   ` kernel test robot
2021-04-08 12:50 ` [PATCH v8 bpf-next 03/14] net: mvneta: update mb bit before passing the xdp buffer to eBPF layer Lorenzo Bianconi
2021-04-08 18:19   ` Vladimir Oltean
2021-04-09 16:24     ` Lorenzo Bianconi
2021-04-08 12:50 ` [PATCH v8 bpf-next 04/14] xdp: add multi-buff support to xdp_return_{buff/frame} Lorenzo Bianconi
2021-04-08 18:30   ` Vladimir Oltean
2021-04-09 16:28     ` Lorenzo Bianconi
2021-04-08 12:50 ` [PATCH v8 bpf-next 05/14] net: mvneta: add multi buffer support to XDP_TX Lorenzo Bianconi
2021-04-08 18:40   ` Vladimir Oltean
2021-04-09 16:36     ` Lorenzo Bianconi
2021-04-08 12:50 ` Lorenzo Bianconi [this message]
2021-04-08 12:50 ` [PATCH v8 bpf-next 07/14] net: xdp: add multi-buff support to xdp_build_skb_from_fram Lorenzo Bianconi
2021-04-08 12:51 ` [PATCH v8 bpf-next 08/14] bpf: add multi-buff support to the bpf_xdp_adjust_tail() API Lorenzo Bianconi
2021-04-08 19:15   ` Vladimir Oltean
2021-04-08 20:54     ` Vladimir Oltean
2021-04-09 18:13       ` Lorenzo Bianconi
2021-04-08 12:51 ` [PATCH v8 bpf-next 09/14] bpd: add multi-buffer support to xdp copy helpers Lorenzo Bianconi
2021-04-08 20:57   ` Vladimir Oltean
2021-04-09 18:19     ` Lorenzo Bianconi
2021-04-08 21:04   ` Vladimir Oltean
2021-04-14  8:08     ` Eelco Chaudron
2021-04-08 12:51 ` [PATCH v8 bpf-next 10/14] bpf: add new frame_length field to the XDP ctx Lorenzo Bianconi
2021-04-08 12:51 ` [PATCH v8 bpf-next 11/14] bpf: move user_size out of bpf_test_init Lorenzo Bianconi
2021-04-08 12:51 ` [PATCH v8 bpf-next 12/14] bpf: introduce multibuff support to bpf_prog_test_run_xdp() Lorenzo Bianconi
2021-04-08 12:51 ` [PATCH v8 bpf-next 13/14] bpf: test_run: add xdp_shared_info pointer in bpf_test_finish signature Lorenzo Bianconi
2021-04-08 12:51 ` [PATCH v8 bpf-next 14/14] bpf: update xdp_adjust_tail selftest to include multi-buffer Lorenzo Bianconi
2021-04-09  0:56 ` [PATCH v8 bpf-next 00/14] mvneta: introduce XDP multi-buffer support John Fastabend
2021-04-09 20:16   ` Lorenzo Bianconi
2021-04-13 15:16   ` Eelco Chaudron
2021-04-16 14:27 ` Magnus Karlsson
2021-04-16 21:29   ` Lorenzo Bianconi
2021-04-16 23:00     ` Daniel Borkmann
2021-04-18 16:18   ` Jesper Dangaard Brouer
2021-04-19  6:20     ` Magnus Karlsson
2021-04-19  6:55       ` Lorenzo Bianconi
2021-04-20 13:49         ` Magnus Karlsson
2021-04-21 12:47           ` Jesper Dangaard Brouer
2021-04-21 14:12             ` Magnus Karlsson
2021-04-21 15:39               ` Jesper Dangaard Brouer
2021-04-22 10:24                 ` Magnus Karlsson
2021-04-22 14:42                   ` Jesper Dangaard Brouer
2021-04-22 15:05                     ` Crash for i40e on net-next (was: [PATCH v8 bpf-next 00/14] mvneta: introduce XDP multi-buffer support) Jesper Dangaard Brouer
2021-04-23  5:28                       ` Magnus Karlsson
2021-04-23 16:43                         ` Alexander Duyck
2021-04-25  9:45                           ` Magnus Karlsson
2021-04-27 18:28   ` [PATCH v8 bpf-next 00/14] mvneta: introduce XDP multi-buffer support Lorenzo Bianconi
2021-04-28  7:41     ` Magnus Karlsson
2021-04-29 12:49       ` Jesper Dangaard Brouer

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