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net/sched: add block pointer to tc_cls_common_offload structure

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Some actions like the police action are stateful and could share state
between devices. This is incompatible with offloading to multiple devices
and drivers might want to test for shared blocks when offloading.
Store a pointer to the tcf_block structure in the tc_cls_common_offload
structure to allow drivers to determine when offloads apply to a shared
block.

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pieter Jansen van Vuuren
2019-05-04 04:46:25 -07:00
committed by David S. Miller
父節點 12f02b6b15
當前提交 88c44a5200
共有 5 個文件被更改，包括 38 次插入 和 17 次删除
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11
net/sched/cls_flower.c
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@@ -389,7 +389,8 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f,
if (!rtnl_held)
rtnl_lock();
tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, extack);
tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, block,
extack);
cls_flower.command = TC_CLSFLOWER_DESTROY;
cls_flower.cookie = (unsigned long) f;
@@ -422,7 +423,8 @@ static int fl_hw_replace_filter(struct tcf_proto *tp,
goto errout;
}
tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, extack);
tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, block,
extack);
cls_flower.command = TC_CLSFLOWER_REPLACE;
cls_flower.cookie = (unsigned long) f;
cls_flower.rule->match.dissector = &f->mask->dissector;
@@ -478,7 +480,8 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f,
if (!rtnl_held)
rtnl_lock();
tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, NULL);
tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, block,
NULL);
cls_flower.command = TC_CLSFLOWER_STATS;
cls_flower.cookie = (unsigned long) f;
cls_flower.classid = f->res.classid;
@@ -1757,7 +1760,7 @@ static int fl_reoffload(struct tcf_proto *tp, bool add, tc_setup_cb_t *cb,
}
tc_cls_common_offload_init(&cls_flower.common, tp, f->flags,
extack);
block, extack);
cls_flower.command = add ?
TC_CLSFLOWER_REPLACE : TC_CLSFLOWER_DESTROY;
cls_flower.cookie = (unsigned long)f;