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authorHadar Hen Zion <hadarh@mellanox.com>2016-12-04 16:25:19 +0300
committerDavid S. Miller <davem@davemloft.net>2016-12-05 23:06:58 +0300
commita6e169312971219a34927e8fdece60046fafb8ba (patch)
tree3dffea390e5937f265986672f53165ae34b8790d /net/sched
parent96d5822c1d812ed30da035795a4408f43fe533f3 (diff)
downloadlinux-a6e169312971219a34927e8fdece60046fafb8ba.tar.xz
net/sched: cls_flower: Set the filter Hardware device for all use-cases
Check if the returned device from tcf_exts_get_dev function supports tc offload and in case the rule can't be offloaded, set the filter hw_dev parameter to the original device given by the user. The filter hw_device parameter should always be set by fl_hw_replace_filter function, since this pointer is used by dump stats and destroy filter for each flower rule (offloaded or not). Fixes: 7091d8c7055d ('net/sched: cls_flower: Add offload support using egress Hardware device') Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Reported-by: Simon Horman <horms@verge.net.au> Tested-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/cls_flower.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index c5cea78491dc..29a9e6d9f274 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -236,8 +236,11 @@ static int fl_hw_replace_filter(struct tcf_proto *tp,
int err;
if (!tc_can_offload(dev, tp)) {
- if (tcf_exts_get_dev(dev, &f->exts, &f->hw_dev))
+ if (tcf_exts_get_dev(dev, &f->exts, &f->hw_dev) ||
+ (f->hw_dev && !tc_can_offload(f->hw_dev, tp))) {
+ f->hw_dev = dev;
return tc_skip_sw(f->flags) ? -EINVAL : 0;
+ }
dev = f->hw_dev;
tc->egress_dev = true;
} else {