diff mbox series

[v6,net-next,09/12] net: sched: save full flags for tc action

Message ID 20211209092806.12336-10-simon.horman@corigine.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series allow user to offload tc action to net device | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2 this patch: 2
netdev/cc_maintainers warning 2 maintainers not CCed: kuba@kernel.org davem@davemloft.net
netdev/build_clang success Errors and warnings before: 20 this patch: 20
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 27 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Simon Horman Dec. 9, 2021, 9:28 a.m. UTC 
From: Baowen Zheng <baowen.zheng@corigine.com>

Save full action flags and return user flags when return flags to
user space.

Save full action flags to distinguish if the action is created
independent from classifier.

We made this change mainly for further patch to reoffload tc actions.

Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
---
 net/sched/act_api.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Comments

Jamal Hadi Salim Dec. 11, 2021, 7:54 p.m. UTC | #1 
On 2021-12-09 04:28, Simon Horman wrote:
> From: Baowen Zheng<baowen.zheng@corigine.com>
> 
> Save full action flags and return user flags when return flags to
> user space.
> 
> Save full action flags to distinguish if the action is created
> independent from classifier.
> 
> We made this change mainly for further patch to reoffload tc actions.
> 
> Signed-off-by: Baowen Zheng<baowen.zheng@corigine.com>
> Signed-off-by: Simon Horman<simon.horman@corigine.com>

Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>

cheers,
jamal
diff mbox series

Patch

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 4e309b8e49bb..e11a73b5934c 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -668,7 +668,7 @@  int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
 	p->tcfa_tm.install = jiffies;
 	p->tcfa_tm.lastuse = jiffies;
 	p->tcfa_tm.firstuse = 0;
-	p->tcfa_flags = flags & TCA_ACT_FLAGS_USER_MASK;
+	p->tcfa_flags = flags;
 	if (est) {
 		err = gen_new_estimator(&p->tcfa_bstats, p->cpu_bstats,
 					&p->tcfa_rate_est,
@@ -995,6 +995,7 @@  tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
 	int err = -EINVAL;
 	unsigned char *b = skb_tail_pointer(skb);
 	struct nlattr *nest;
+	u32 flags;
 
 	if (tcf_action_dump_terse(skb, a, false))
 		goto nla_put_failure;
@@ -1009,9 +1010,10 @@  tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
 			       a->used_hw_stats, TCA_ACT_HW_STATS_ANY))
 		goto nla_put_failure;
 
-	if (a->tcfa_flags &&
+	flags = a->tcfa_flags & TCA_ACT_FLAGS_USER_MASK;
+	if (flags &&
 	    nla_put_bitfield32(skb, TCA_ACT_FLAGS,
-			       a->tcfa_flags, a->tcfa_flags))
+			       flags, flags))
 		goto nla_put_failure;
 
 	if (nla_put_u32(skb, TCA_ACT_IN_HW_COUNT, a->in_hw_count))