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cls_u32: pass offload flags to tc_cls_common_offload_init()

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Pass offload flags to the new implementation of
tc_cls_common_offload_init().  Extack will now only
be set if user requested skip_sw.  hnodes need to
hold onto the flags now to be able to reuse them
on filter removal.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2018-01-24 12:54:22 -08:00 committed by David S. Miller
parent 1b0f80375c
commit f40fe58d13
1 changed files with 6 additions and 4 deletions
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10
net/sched/cls_u32.c
View file

@ -87,6 +87,7 @@ struct tc_u_hnode {
unsigned int divisor;
struct idr handle_idr;
struct rcu_head rcu;
u32 flags;
/* The 'ht' field MUST be the last field in structure to allow for
* more entries allocated at end of structure.
*/
@ -491,7 +492,7 @@ static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h)
struct tcf_block *block = tp->chain->block;
struct tc_cls_u32_offload cls_u32 = {};
tc_cls_common_offload_init_deprecated(&cls_u32.common, tp, NULL);
tc_cls_common_offload_init(&cls_u32.common, tp, h->flags, NULL);
cls_u32.command = TC_CLSU32_DELETE_HNODE;
cls_u32.hnode.divisor = h->divisor;
cls_u32.hnode.handle = h->handle;
@ -509,7 +510,7 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h,
bool offloaded = false;
int err;
tc_cls_common_offload_init_deprecated(&cls_u32.common, tp, extack);
tc_cls_common_offload_init(&cls_u32.common, tp, flags, extack);
cls_u32.command = TC_CLSU32_NEW_HNODE;
cls_u32.hnode.divisor = h->divisor;
cls_u32.hnode.handle = h->handle;
@ -534,7 +535,7 @@ static void u32_remove_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n)
struct tcf_block *block = tp->chain->block;
struct tc_cls_u32_offload cls_u32 = {};
tc_cls_common_offload_init_deprecated(&cls_u32.common, tp, NULL);
tc_cls_common_offload_init(&cls_u32.common, tp, n->flags, NULL);
cls_u32.command = TC_CLSU32_DELETE_KNODE;
cls_u32.knode.handle = n->handle;
@ -550,7 +551,7 @@ static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n,
bool skip_sw = tc_skip_sw(flags);
int err;
tc_cls_common_offload_init_deprecated(&cls_u32.common, tp, extack);
tc_cls_common_offload_init(&cls_u32.common, tp, flags, extack);
cls_u32.command = TC_CLSU32_REPLACE_KNODE;
cls_u32.knode.handle = n->handle;
cls_u32.knode.fshift = n->fshift;
@ -1015,6 +1016,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
ht->handle = handle;
ht->prio = tp->prio;
idr_init(&ht->handle_idr);
ht->flags = flags;
err = u32_replace_hw_hnode(tp, ht, flags, extack);
if (err) {