diff options
| author | Victor Nogueira <[email protected]> | 2023-12-19 18:16:19 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2023-12-26 21:20:08 +0000 |
| commit | 913b47d3424e7d99eaf34b798c47dfa840c64a08 (patch) | |
| tree | 9bc8fe26272a2fb1d1ae0fe011c3367fceced8c0 /net/sched/sch_api.c | |
| parent | net: remove SOCK_DEBUG macro (diff) | |
| download | kernel-913b47d3424e7d99eaf34b798c47dfa840c64a08.tar.gz kernel-913b47d3424e7d99eaf34b798c47dfa840c64a08.zip | |
net/sched: Introduce tc block netdev tracking infra
This commit makes tc blocks track which ports have been added to them.
And, with that, we'll be able to use this new information to send
packets to the block's ports. Which will be done in the patch #3 of this
series.
Suggested-by: Jiri Pirko <[email protected]>
Co-developed-by: Jamal Hadi Salim <[email protected]>
Signed-off-by: Jamal Hadi Salim <[email protected]>
Co-developed-by: Pedro Tammela <[email protected]>
Signed-off-by: Pedro Tammela <[email protected]>
Signed-off-by: Victor Nogueira <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/sched/sch_api.c')
| -rw-r--r-- | net/sched/sch_api.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index e9eaf637220e..299086bb6205 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1180,6 +1180,43 @@ skip: return 0; } +static int qdisc_block_add_dev(struct Qdisc *sch, struct net_device *dev, + struct netlink_ext_ack *extack) +{ + const struct Qdisc_class_ops *cl_ops = sch->ops->cl_ops; + struct tcf_block *block; + int err; + + block = cl_ops->tcf_block(sch, TC_H_MIN_INGRESS, NULL); + if (block) { + err = xa_insert(&block->ports, dev->ifindex, dev, GFP_KERNEL); + if (err) { + NL_SET_ERR_MSG(extack, + "ingress block dev insert failed"); + return err; + } + } + + block = cl_ops->tcf_block(sch, TC_H_MIN_EGRESS, NULL); + if (block) { + err = xa_insert(&block->ports, dev->ifindex, dev, GFP_KERNEL); + if (err) { + NL_SET_ERR_MSG(extack, + "Egress block dev insert failed"); + goto err_out; + } + } + + return 0; + +err_out: + block = cl_ops->tcf_block(sch, TC_H_MIN_INGRESS, NULL); + if (block) + xa_erase(&block->ports, dev->ifindex); + + return err; +} + static int qdisc_block_indexes_set(struct Qdisc *sch, struct nlattr **tca, struct netlink_ext_ack *extack) { @@ -1350,6 +1387,10 @@ static struct Qdisc *qdisc_create(struct net_device *dev, qdisc_hash_add(sch, false); trace_qdisc_create(ops, dev, parent); + err = qdisc_block_add_dev(sch, dev, extack); + if (err) + goto err_out4; + return sch; err_out4: |