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authorPieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>2019-05-04 04:46:25 -0700
committerDavid S. Miller <davem@davemloft.net>2019-05-05 21:49:24 -0700
commit88c44a5200849c8182eaf36535b4ceae6b90b19d (patch)
tree83ffec01039f485c146d9a926825cb40c2c688f5 /include/net
parent12f02b6b1548367fb548e61105fac6778c1a9173 (diff)
net/sched: add block pointer to tc_cls_common_offload structure
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>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/pkt_cls.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 161fcf8516ac..eed98f8fcb5e 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -100,6 +100,11 @@ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode);
#else
+static inline bool tcf_block_shared(struct tcf_block *block)
+{
+ return false;
+}
+
static inline
int tcf_block_get(struct tcf_block **p_block,
struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
@@ -624,6 +629,7 @@ struct tc_cls_common_offload {
u32 chain_index;
__be16 protocol;
u32 prio;
+ struct tcf_block *block;
struct netlink_ext_ack *extack;
};
@@ -725,11 +731,13 @@ static inline bool tc_in_hw(u32 flags)
static inline void
tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common,
const struct tcf_proto *tp, u32 flags,
+ struct tcf_block *block,
struct netlink_ext_ack *extack)
{
cls_common->chain_index = tp->chain->index;
cls_common->protocol = tp->protocol;
cls_common->prio = tp->prio;
+ cls_common->block = block;
if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE)
cls_common->extack = extack;
}