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authorPedro Tammela <pctammela@mojatatu.com>2023-02-15 00:15:31 +0300
committerPaolo Abeni <pabeni@redhat.com>2023-02-16 12:39:28 +0300
commit7d12057b45fbc1e1315d327dca13e8d6b5019113 (patch)
treebc7d97961f06864eb2d3e27158ec44d97ce0cf31 /include/net
parent10d13421a6ae414ab91d4f2103fc90d1f4216736 (diff)
downloadlinux-7d12057b45fbc1e1315d327dca13e8d6b5019113.tar.xz
net/sched: act_nat: transition to percpu stats and rcu
The tc action act_nat was using shared stats and taking the per action lock in the datapath. Improve it by using percpu stats and rcu. perf before: - 10.48% tcf_nat_act - 81.83% _raw_spin_lock 81.08% native_queued_spin_lock_slowpath perf after: - 0.48% tcf_nat_act tdc results: 1..27 ok 1 7565 - Add nat action on ingress with default control action ok 2 fd79 - Add nat action on ingress with pipe control action ok 3 eab9 - Add nat action on ingress with continue control action ok 4 c53a - Add nat action on ingress with reclassify control action ok 5 76c9 - Add nat action on ingress with jump control action ok 6 24c6 - Add nat action on ingress with drop control action ok 7 2120 - Add nat action on ingress with maximum index value ok 8 3e9d - Add nat action on ingress with invalid index value ok 9 f6c9 - Add nat action on ingress with invalid IP address ok 10 be25 - Add nat action on ingress with invalid argument ok 11 a7bd - Add nat action on ingress with DEFAULT IP address ok 12 ee1e - Add nat action on ingress with ANY IP address ok 13 1de8 - Add nat action on ingress with ALL IP address ok 14 8dba - Add nat action on egress with default control action ok 15 19a7 - Add nat action on egress with pipe control action ok 16 f1d9 - Add nat action on egress with continue control action ok 17 6d4a - Add nat action on egress with reclassify control action ok 18 b313 - Add nat action on egress with jump control action ok 19 d9fc - Add nat action on egress with drop control action ok 20 a895 - Add nat action on egress with DEFAULT IP address ok 21 2572 - Add nat action on egress with ANY IP address ok 22 37f3 - Add nat action on egress with ALL IP address ok 23 6054 - Add nat action on egress with cookie ok 24 79d6 - Add nat action on ingress with cookie ok 25 4b12 - Replace nat action with invalid goto chain control ok 26 b811 - Delete nat action with valid index ok 27 a521 - Delete nat action with invalid index Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Pedro Tammela <pctammela@mojatatu.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/tc_act/tc_nat.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/net/tc_act/tc_nat.h b/include/net/tc_act/tc_nat.h
index c14407160812..c869274ac529 100644
--- a/include/net/tc_act/tc_nat.h
+++ b/include/net/tc_act/tc_nat.h
@@ -5,13 +5,17 @@
#include <linux/types.h>
#include <net/act_api.h>
-struct tcf_nat {
- struct tc_action common;
-
+struct tcf_nat_parms {
__be32 old_addr;
__be32 new_addr;
__be32 mask;
u32 flags;
+ struct rcu_head rcu;
+};
+
+struct tcf_nat {
+ struct tc_action common;
+ struct tcf_nat_parms __rcu *parms;
};
#define to_tcf_nat(a) ((struct tcf_nat *)a)