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SUSE:SLE-15-SP4:Update
linux-glibc-devel
net_sched-refactor-TC-action-init-API.patch
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File net_sched-refactor-TC-action-init-API.patch of Package linux-glibc-devel
From 695176bfe5dec2051f950bdac0ae0b21e29e6de3 Mon Sep 17 00:00:00 2001 From: Cong Wang <cong.wang@bytedance.com> Date: Thu, 29 Jul 2021 16:12:14 -0700 Subject: [PATCH] net_sched: refactor TC action init API Git-commit: 695176bfe5dec2051f950bdac0ae0b21e29e6de3 Patch-mainline: v5.15-rc1 References: bsc#1189998 TC action ->init() API has 10 parameters, it becomes harder to read. Some of them are just boolean and can be replaced by flags. Similarly for the internal API tcf_action_init() and tcf_exts_validate(). This patch converts them to flags and fold them into the upper 16 bits of "flags", whose lower 16 bits are still reserved for user-space. More specifically, the following kernel flags are introduced: TCA_ACT_FLAGS_POLICE replace 'name' in a few contexts, to distinguish whether it is compatible with policer. TCA_ACT_FLAGS_BIND replaces 'bind', to indicate whether this action is bound to a filter. TCA_ACT_FLAGS_REPLACE replaces 'ovr' in most contexts, means we are replacing an existing action. TCA_ACT_FLAGS_NO_RTNL replaces 'rtnl_held' but has the opposite meaning, because we still hold RTNL in most cases. The only user-space flag TCA_ACT_FLAGS_NO_PERCPU_STATS is untouched and still stored as before. I have tested this patch with tdc and I do not see any failure related to this patch. Tested-by: Vlad Buslov <vladbu@nvidia.com> Acked-by: Jamal Hadi Salim<jhs@mojatatu.com> Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Cong Wang <cong.wang@bytedance.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- include/net/act_api.h | 22 ++++++++----- include/net/pkt_cls.h | 2 +- include/net/sch_generic.h | 2 +- include/uapi/linux/pkt_cls.h | 1 + net/sched/act_api.c | 61 ++++++++++++++++++------------------ net/sched/act_bpf.c | 4 +-- net/sched/act_connmark.c | 4 +-- net/sched/act_csum.c | 7 +++-- net/sched/act_ct.c | 4 +-- net/sched/act_ctinfo.c | 4 +-- net/sched/act_gact.c | 4 +-- net/sched/act_gate.c | 4 +-- net/sched/act_ife.c | 9 +++--- net/sched/act_ipt.c | 21 +++++++------ net/sched/act_mirred.c | 4 +-- net/sched/act_mpls.c | 4 +-- net/sched/act_nat.c | 6 ++-- net/sched/act_pedit.c | 4 +-- net/sched/act_police.c | 4 +-- net/sched/act_sample.c | 7 +++-- net/sched/act_simple.c | 4 +-- net/sched/act_skbedit.c | 4 +-- net/sched/act_skbmod.c | 3 +- net/sched/act_tunnel_key.c | 4 +-- net/sched/act_vlan.c | 4 +-- net/sched/cls_api.c | 28 ++++++++++------- net/sched/cls_basic.c | 10 +++--- net/sched/cls_bpf.c | 8 ++--- net/sched/cls_cgroup.c | 6 ++-- net/sched/cls_flow.c | 6 ++-- net/sched/cls_flower.c | 18 +++++------ net/sched/cls_fw.c | 13 ++++---- net/sched/cls_matchall.c | 17 +++++----- net/sched/cls_route.c | 10 +++--- net/sched/cls_rsvp.h | 7 ++--- net/sched/cls_tcindex.c | 10 +++--- net/sched/cls_u32.c | 24 +++++++------- 37 files changed, 185 insertions(+), 169 deletions(-) diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h index 025c40fef93d..6836ccb9c45d 100644 --- a/include/linux/pkt_cls.h +++ b/include/linux/pkt_cls.h @@ -22,6 +22,7 @@ enum { __TCA_ACT_MAX }; +/* See other TCA_ACT_FLAGS_ * flags in include/net/act_api.h. */ #define TCA_ACT_FLAGS_NO_PERCPU_STATS 1 /* Don't use percpu allocator for * actions stats. */
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