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net/sched: Extend qdisc control block with tc control block

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BPF layer extends the qdisc control block via struct bpf_skb_data_end
and because of that there is no more room to add variables to the
qdisc layer control block without going over the skb->cb size.

Extend the qdisc control block with a tc control block,
and move all tc related variables to there as a pre-step for
extending the tc control block with additional members.

Signed-off-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paul Blakey
2021-12-14 19:24:33 +02:00
committed by Jakub Kicinski
parent 8ca4090fec
commit ec624fe740
7 changed files with 34 additions and 17 deletions
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2
include/net/sch_generic.h
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@@ -447,8 +447,6 @@ struct qdisc_skb_cb {
};
#define QDISC_CB_PRIV_LEN 20
unsigned char data[QDISC_CB_PRIV_LEN];
u16 mru;
bool post_ct;
};
typedef void tcf_chain_head_change_t(struct tcf_proto *tp_head, void *priv);