netdev - [PATCH net-next 10/14] net: sched: cls_u32: add res to offload information

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Date:   Mon, 19 Nov 2018 15:21:46 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net
Cc:     oss-drivers@...ronome.com, netdev@...r.kernel.org,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH net-next 10/14] net: sched: cls_u32: add res to offload information

In case of egress offloads the class/flowid assigned by the filter
may be very important for offloaded Qdisc selection.  Provide this
info to drivers.

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: John Hurley <john.hurley@...ronome.com>
---
 include/net/pkt_cls.h | 1 +
 net/sched/cls_u32.c   | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index d0e9a8091426..ea191d8cfcc9 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -643,6 +643,7 @@ struct tc_cls_common_offload {
 
 struct tc_cls_u32_knode {
 	struct tcf_exts *exts;
+	struct tcf_result *res;
 	struct tc_u32_sel *sel;
 	u32 handle;
 	u32 val;
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 4b28fd44576d..4c54bc440798 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -558,6 +558,7 @@ static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n,
 	cls_u32.knode.mask = 0;
 #endif
 	cls_u32.knode.sel = &n->sel;
+	cls_u32.knode.res = &n->res;
 	cls_u32.knode.exts = &n->exts;
 	if (n->ht_down)
 		cls_u32.knode.link_handle = ht->handle;
@@ -1206,6 +1207,7 @@ static int u32_reoffload_knode(struct tcf_proto *tp, struct tc_u_knode *n,
 		cls_u32.knode.mask = 0;
 #endif
 		cls_u32.knode.sel = &n->sel;
+		cls_u32.knode.res = &n->res;
 		cls_u32.knode.exts = &n->exts;
 		if (n->ht_down)
 			cls_u32.knode.link_handle = ht->handle;
-- 
2.17.1