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@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index d0e9a8091426556c4bb2d2634c28c27c4893d7ff..ea191d8cfcc92b5aac6a9c966ecfb4873e775b2d 100644 (file)
--- 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 4b28fd44576dd88b6f597471e9cc368bbff23907..4c54bc44079816a1acab07e9cc3cc932cec7e01c 100644 (file)
--- 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;