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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-11-12 14:58:14 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-14 08:51:28 -0800 |
| commit | d577a3d279c3c60adabdcc4b7a414d37dea7b8b2 (patch) | |
| tree | 7ab3b16069f04ba74abdc118ba5198597440e4f6 /net | |
| parent | bf2a752bea027ec5a0bc5b4042d78b32715ad198 (diff) | |
| download | linux-d577a3d279c3c60adabdcc4b7a414d37dea7b8b2.tar.gz linux-d577a3d279c3c60adabdcc4b7a414d37dea7b8b2.tar.bz2 linux-d577a3d279c3c60adabdcc4b7a414d37dea7b8b2.zip | |
net: sched: mq: offload a graft notification
Drivers offloading Qdiscs should have reasonable certainty
the offloaded behaviour matches the SW path. This is impossible
if the driver does not know about all Qdiscs or when Qdiscs move
and are reused. Send a graft notification from MQ.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/sch_mq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index 1db5c1bf6ddd..203659bc3906 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -193,6 +193,7 @@ static int mq_graft(struct Qdisc *sch, unsigned long cl, struct Qdisc *new, struct Qdisc **old, struct netlink_ext_ack *extack) { struct netdev_queue *dev_queue = mq_queue_get(sch, cl); + struct tc_mq_qopt_offload graft_offload; struct net_device *dev = qdisc_dev(sch); if (dev->flags & IFF_UP) @@ -203,6 +204,14 @@ static int mq_graft(struct Qdisc *sch, unsigned long cl, struct Qdisc *new, new->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; if (dev->flags & IFF_UP) dev_activate(dev); + + graft_offload.handle = sch->handle; + graft_offload.graft_params.queue = cl - 1; + graft_offload.graft_params.child_handle = new ? new->handle : 0; + graft_offload.command = TC_MQ_GRAFT; + + qdisc_offload_graft_helper(qdisc_dev(sch), sch, new, *old, + TC_SETUP_QDISC_MQ, &graft_offload, extack); return 0; } |