kernel/linux.git/net/sched/act_simple.c, branch v6.19.12

net/sched: Remove redundant memset(0) call in reset_policy()

2025-08-13T00:13:29+00:00

The call to nla_strscpy() already zero-pads the tail of the destination buffer which makes the additional memset(0) call redundant. Remove it. Signed-off-by: Thorsten Blum Reviewed-by: Joe Damato Link: https://patch.msgid.link/20250811164039.43250-1-thorsten.blum@linux.dev Signed-off-by: Jakub Kicinski

net/sched: Add module aliases for cls_,sch_,act_ modules

2024-02-02T18:57:55+00:00

No functional change intended, aliases will be used in followup commits. Note for backporters: you may need to add aliases also for modules that are already removed in mainline kernel but still in your version. Patches were generated with the help of Coccinelle scripts like: cat >scripts/coccinelle/misc/tcf_alias.cocci </dev/null | \ sed 's/char module_alias = "\([^"]*\)";/MODULE_ALIAS_NET_CLS("\1");/' And analogously for: static struct tc_action_ops ops = { .kind = K, static struct Qdisc_ops ops = { .id = K, (Someone familiar would be able to fit those into one .cocci file without sed post processing.) Signed-off-by: Michal Koutný Acked-by: Jamal Hadi Salim Reviewed-by: Jiri Pirko Link: https://lore.kernel.org/r/20240201130943.19536-3-mkoutny@suse.com Signed-off-by: Jakub Kicinski

net/sched: introduce ACT_P_BOUND return code

2024-01-04T02:36:24+00:00

Bound actions always return '0' and as of today we rely on '0' being returned in order to properly skip bound actions in tcf_idr_insert_many. In order to further improve maintainability, introduce the ACT_P_BOUND return code. Actions are updated to return 'ACT_P_BOUND' instead of plain '0'. tcf_idr_insert_many is then updated to check for 'ACT_P_BOUND'. Signed-off-by: Pedro Tammela Acked-by: Jamal Hadi Salim Link: https://lore.kernel.org/r/20231229132642.1489088-1-pctammela@mojatatu.com Signed-off-by: Jakub Kicinski

net/sched: avoid indirect act functions on retpoline kernels

2022-12-09T09:18:07+00:00

Expose the necessary tc act functions and wire up act_api to use direct calls in retpoline kernels. Signed-off-by: Pedro Tammela Reviewed-by: Jamal Hadi Salim Reviewed-by: Victor Nogueira Signed-off-by: David S. Miller

net: sched: act_simple: get rid of tcf_simp_walker and tcf_simp_search

2022-09-09T07:24:42+00:00

tcf_simp_walker() and tcf_simp_search() do the same thing as generic walk/search function, so remove them. Signed-off-by: Zhengchao Shao Acked-by: Jamal Hadi Salim Signed-off-by: David S. Miller

net: sched: act: move global static variable net_id to tc_action_ops

2022-09-09T07:24:41+00:00

Each tc action module has a corresponding net_id, so put net_id directly into the structure tc_action_ops. Signed-off-by: Zhengchao Shao Acked-by: Jamal Hadi Salim Signed-off-by: David S. Miller

flow_offload: fill flags to action structure

2021-12-19T14:08:47+00:00

Fill flags to action structure to allow user control if the action should be offloaded to hardware or not. Signed-off-by: Baowen Zheng Signed-off-by: Louis Peens Signed-off-by: Simon Horman Acked-by: Jamal Hadi Salim Signed-off-by: David S. Miller

net: sched: Merge Qdisc::bstats and Qdisc::cpu_bstats data types

2021-10-18T11:54:41+00:00

The only factor differentiating per-CPU bstats data type (struct gnet_stats_basic_cpu) from the packed non-per-CPU one (struct gnet_stats_basic_packed) was a u64_stats sync point inside the former. The two data types are now equivalent: earlier commits added a u64_stats sync point to the latter. Combine both data types into "struct gnet_stats_basic_sync". This eliminates redundancy and simplifies the bstats read/write APIs. Use u64_stats_t for bstats "packets" and "bytes" data types. On 64-bit architectures, u64_stats sync points do not use sequence counter protection. Signed-off-by: Ahmed S. Darwish Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: David S. Miller

net_sched: refactor TC action init API

2021-08-02T09:24:38+00:00

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 Acked-by: Jamal Hadi Salim Cc: Jiri Pirko Signed-off-by: Cong Wang Signed-off-by: David S. Miller

treewide: rename nla_strlcpy to nla_strscpy.

2020-11-16T16:08:54+00:00

Calls to nla_strlcpy are now replaced by calls to nla_strscpy which is the new name of this function. Signed-off-by: Francis Laniel Reviewed-by: Kees Cook Signed-off-by: Jakub Kicinski