diff options
Diffstat (limited to 'net/sched/cls_u32.c')
| -rw-r--r-- | net/sched/cls_u32.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 21e84abe4226..60c892c36a60 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -487,12 +487,13 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key) return 0; } -static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h) +static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h, + struct netlink_ext_ack *extack) { struct tcf_block *block = tp->chain->block; struct tc_cls_u32_offload cls_u32 = {}; - tc_cls_common_offload_init(&cls_u32.common, tp, h->flags, NULL); + tc_cls_common_offload_init(&cls_u32.common, tp, h->flags, extack); cls_u32.command = TC_CLSU32_DELETE_HNODE; cls_u32.hnode.divisor = h->divisor; cls_u32.hnode.handle = h->handle; @@ -518,7 +519,7 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h, err = tc_setup_cb_call(block, NULL, TC_SETUP_CLSU32, &cls_u32, skip_sw); if (err < 0) { - u32_clear_hw_hnode(tp, h); + u32_clear_hw_hnode(tp, h, NULL); return err; } else if (err > 0) { offloaded = true; @@ -530,12 +531,13 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h, return 0; } -static void u32_remove_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n) +static void u32_remove_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n, + struct netlink_ext_ack *extack) { struct tcf_block *block = tp->chain->block; struct tc_cls_u32_offload cls_u32 = {}; - tc_cls_common_offload_init(&cls_u32.common, tp, n->flags, NULL); + tc_cls_common_offload_init(&cls_u32.common, tp, n->flags, extack); cls_u32.command = TC_CLSU32_DELETE_KNODE; cls_u32.knode.handle = n->handle; @@ -569,7 +571,7 @@ static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n, err = tc_setup_cb_call(block, NULL, TC_SETUP_CLSU32, &cls_u32, skip_sw); if (err < 0) { - u32_remove_hw_knode(tp, n); + u32_remove_hw_knode(tp, n, NULL); return err; } else if (err > 0) { tcf_block_offload_inc(block, &n->flags); @@ -581,7 +583,8 @@ static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n, return 0; } -static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht) +static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht, + struct netlink_ext_ack *extack) { struct tc_u_knode *n; unsigned int h; @@ -591,7 +594,7 @@ static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht) RCU_INIT_POINTER(ht->ht[h], rtnl_dereference(n->next)); tcf_unbind_filter(tp, &n->res); - u32_remove_hw_knode(tp, n); + u32_remove_hw_knode(tp, n, extack); idr_remove_ext(&ht->handle_idr, n->handle); if (tcf_exts_get_net(&n->exts)) call_rcu(&n->rcu, u32_delete_key_freepf_rcu); @@ -601,7 +604,8 @@ static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht) } } -static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht) +static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht, + struct netlink_ext_ack *extack) { struct tc_u_common *tp_c = tp->data; struct tc_u_hnode __rcu **hn; @@ -609,14 +613,14 @@ static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht) WARN_ON(ht->refcnt); - u32_clear_hnode(tp, ht); + u32_clear_hnode(tp, ht, extack); hn = &tp_c->hlist; for (phn = rtnl_dereference(*hn); phn; hn = &phn->next, phn = rtnl_dereference(*hn)) { if (phn == ht) { - u32_clear_hw_hnode(tp, ht); + u32_clear_hw_hnode(tp, ht, extack); idr_destroy(&ht->handle_idr); idr_remove_ext(&tp_c->handle_idr, ht->handle); RCU_INIT_POINTER(*hn, ht->next); @@ -647,7 +651,7 @@ static void u32_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack) WARN_ON(root_ht == NULL); if (root_ht && --root_ht->refcnt == 0) - u32_destroy_hnode(tp, root_ht); + u32_destroy_hnode(tp, root_ht, extack); if (--tp_c->refcnt == 0) { struct tc_u_hnode *ht; @@ -658,7 +662,7 @@ static void u32_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack) ht; ht = rtnl_dereference(ht->next)) { ht->refcnt--; - u32_clear_hnode(tp, ht); + u32_clear_hnode(tp, ht, extack); } while ((ht = rtnl_dereference(tp_c->hlist)) != NULL) { @@ -685,7 +689,7 @@ static int u32_delete(struct tcf_proto *tp, void *arg, bool *last, goto out; if (TC_U32_KEY(ht->handle)) { - u32_remove_hw_knode(tp, (struct tc_u_knode *)ht); + u32_remove_hw_knode(tp, (struct tc_u_knode *)ht, extack); ret = u32_delete_key(tp, (struct tc_u_knode *)ht); goto out; } @@ -697,7 +701,7 @@ static int u32_delete(struct tcf_proto *tp, void *arg, bool *last, if (ht->refcnt == 1) { ht->refcnt--; - u32_destroy_hnode(tp, ht); + u32_destroy_hnode(tp, ht, extack); } else { NL_SET_ERR_MSG_MOD(extack, "Can not delete in-use filter"); return -EBUSY; |