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tc: allow offloading of block ids

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Blocks, in tc classifiers, allow the grouping of multiple qdiscs with an
associated block id. Whenever a filter is added to/removed from this
block, the filter is added to/removed from all associated qdiscs.

Extend TC offload functions to take a block id as a parameter. If the id
is zero then the dqisc is not considered part of a block.

Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
This commit is contained in:
John Hurley
2018-06-28 17:03:02 +01:00
committed by Simon Horman
parent e461481330
commit 093c9458fb
4 changed files with 98 additions and 42 deletions
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4
lib/netdev-linux.c
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@@ -2275,7 +2275,7 @@ netdev_linux_set_policing(struct netdev *netdev_,
COVERAGE_INC(netdev_set_policing);
/* Remove any existing ingress qdisc. */
error = tc_add_del_ingress_qdisc(ifindex, false);
error = tc_add_del_ingress_qdisc(ifindex, false, 0);
if (error) {
VLOG_WARN_RL(&rl, "%s: removing policing failed: %s",
netdev_name, ovs_strerror(error));
@@ -2283,7 +2283,7 @@ netdev_linux_set_policing(struct netdev *netdev_,
}
if (kbits_rate) {
error = tc_add_del_ingress_qdisc(ifindex, true);
error = tc_add_del_ingress_qdisc(ifindex, true, 0);
if (error) {
VLOG_WARN_RL(&rl, "%s: adding policing qdisc failed: %s",
netdev_name, ovs_strerror(error));