From 92b3efec54b36797614650c830a57c4f8786b5c9 Mon Sep 17 00:00:00 2001 From: Tomasz Maciej Nowak Date: Mon, 23 Nov 2020 14:59:45 +0100 Subject: mvebu: sort patches Sort patches according to target/linux/generic/PATCHES. Additionally: - replace hashes in backported patches with the ones from main Linux tree - add descriptions to some patches Signed-off-by: Tomasz Maciej Nowak [remove 004-add_sata_disk_activity_trigger.patch separately] Signed-off-by: Adrian Schmutzler --- ...er-disallow-XDP-program-on-hardware-buffe.patch | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 target/linux/mvebu/patches-5.4/014-mvneta-driver-disallow-XDP-program-on-hardware-buffe.patch (limited to 'target/linux/mvebu/patches-5.4/014-mvneta-driver-disallow-XDP-program-on-hardware-buffe.patch') diff --git a/target/linux/mvebu/patches-5.4/014-mvneta-driver-disallow-XDP-program-on-hardware-buffe.patch b/target/linux/mvebu/patches-5.4/014-mvneta-driver-disallow-XDP-program-on-hardware-buffe.patch new file mode 100644 index 0000000000..e8a41d9eb2 --- /dev/null +++ b/target/linux/mvebu/patches-5.4/014-mvneta-driver-disallow-XDP-program-on-hardware-buffe.patch @@ -0,0 +1,53 @@ +From 79572c98c554dcdb080bca547c871a51716dcdf8 Mon Sep 17 00:00:00 2001 +From: Sven Auhagen +Date: Sat, 25 Jan 2020 08:07:03 +0000 +Subject: [PATCH] mvneta driver disallow XDP program on hardware buffer + management + +Recently XDP Support was added to the mvneta driver +for software buffer management only. +It is still possible to attach an XDP program if +hardware buffer management is used. +It is not doing anything at that point. + +The patch disallows attaching XDP programs to mvneta +if hardware buffer management is used. + +I am sorry about that. It is my first submission and I am having +some troubles with the format of my emails. + +v4 -> v5: +- Remove extra tabs + +v3 -> v4: +- Please ignore v3 I accidentally submitted + my other patch with git-send-mail and v4 is correct + +v2 -> v3: +- My mailserver corrupted the patch + resubmission with git-send-email + +v1 -> v2: +- Fixing the patches indentation + +Signed-off-by: Sven Auhagen +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/marvell/mvneta.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/drivers/net/ethernet/marvell/mvneta.c ++++ b/drivers/net/ethernet/marvell/mvneta.c +@@ -4263,6 +4263,12 @@ static int mvneta_xdp_setup(struct net_d + return -EOPNOTSUPP; + } + ++ if (pp->bm_priv) { ++ NL_SET_ERR_MSG_MOD(extack, ++ "Hardware Buffer Management not supported on XDP"); ++ return -EOPNOTSUPP; ++ } ++ + need_update = !!pp->xdp_prog != !!prog; + if (running && need_update) + mvneta_stop(dev); -- cgit v1.2.3