summaryrefslogtreecommitdiffstats
path: root/net/sched/cls_bpf.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sched/cls_bpf.c')
-rw-r--r--net/sched/cls_bpf.c40
1 files changed, 24 insertions, 16 deletions
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index a62586e2dbdb..c11e0fe23a17 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -147,7 +147,8 @@ static bool cls_bpf_is_ebpf(const struct cls_bpf_prog *prog)
}
static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
- struct cls_bpf_prog *oldprog)
+ struct cls_bpf_prog *oldprog,
+ struct netlink_ext_ack *extack)
{
struct tcf_block *block = tp->chain->block;
struct tc_cls_bpf_offload cls_bpf = {};
@@ -158,7 +159,7 @@ static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
skip_sw = prog && tc_skip_sw(prog->gen_flags);
obj = prog ?: oldprog;
- tc_cls_common_offload_init(&cls_bpf.common, tp);
+ tc_cls_common_offload_init(&cls_bpf.common, tp, extack);
cls_bpf.command = TC_CLSBPF_OFFLOAD;
cls_bpf.exts = &obj->exts;
cls_bpf.prog = prog ? prog->filter : NULL;
@@ -167,13 +168,16 @@ static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
cls_bpf.exts_integrated = obj->exts_integrated;
cls_bpf.gen_flags = obj->gen_flags;
+ if (oldprog)
+ tcf_block_offload_dec(block, &oldprog->gen_flags);
+
err = tc_setup_cb_call(block, NULL, TC_SETUP_CLSBPF, &cls_bpf, skip_sw);
if (prog) {
if (err < 0) {
- cls_bpf_offload_cmd(tp, oldprog, prog);
+ cls_bpf_offload_cmd(tp, oldprog, prog, extack);
return err;
} else if (err > 0) {
- prog->gen_flags |= TCA_CLS_FLAGS_IN_HW;
+ tcf_block_offload_inc(block, &prog->gen_flags);
}
}
@@ -189,7 +193,8 @@ static u32 cls_bpf_flags(u32 flags)
}
static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
- struct cls_bpf_prog *oldprog)
+ struct cls_bpf_prog *oldprog,
+ struct netlink_ext_ack *extack)
{
if (prog && oldprog &&
cls_bpf_flags(prog->gen_flags) !=
@@ -203,7 +208,7 @@ static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
if (!prog && !oldprog)
return 0;
- return cls_bpf_offload_cmd(tp, prog, oldprog);
+ return cls_bpf_offload_cmd(tp, prog, oldprog, extack);
}
static void cls_bpf_stop_offload(struct tcf_proto *tp,
@@ -211,7 +216,7 @@ static void cls_bpf_stop_offload(struct tcf_proto *tp,
{
int err;
- err = cls_bpf_offload_cmd(tp, NULL, prog);
+ err = cls_bpf_offload_cmd(tp, NULL, prog, NULL);
if (err)
pr_err("Stopping hardware offload failed: %d\n", err);
}
@@ -222,7 +227,7 @@ static void cls_bpf_offload_update_stats(struct tcf_proto *tp,
struct tcf_block *block = tp->chain->block;
struct tc_cls_bpf_offload cls_bpf = {};
- tc_cls_common_offload_init(&cls_bpf.common, tp);
+ tc_cls_common_offload_init(&cls_bpf.common, tp, NULL);
cls_bpf.command = TC_CLSBPF_STATS;
cls_bpf.exts = &prog->exts;
cls_bpf.prog = prog->filter;
@@ -299,7 +304,8 @@ static void __cls_bpf_delete(struct tcf_proto *tp, struct cls_bpf_prog *prog)
__cls_bpf_delete_prog(prog);
}
-static int cls_bpf_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int cls_bpf_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct cls_bpf_head *head = rtnl_dereference(tp->root);
@@ -399,15 +405,16 @@ static int cls_bpf_prog_from_efd(struct nlattr **tb, struct cls_bpf_prog *prog,
prog->bpf_name = name;
prog->filter = fp;
- if (fp->dst_needed && !(tp->q->flags & TCQ_F_INGRESS))
- netif_keep_dst(qdisc_dev(tp->q));
+ if (fp->dst_needed)
+ tcf_block_netif_keep_dst(tp->chain->block);
return 0;
}
static int cls_bpf_set_parms(struct net *net, struct tcf_proto *tp,
struct cls_bpf_prog *prog, unsigned long base,
- struct nlattr **tb, struct nlattr *est, bool ovr)
+ struct nlattr **tb, struct nlattr *est, bool ovr,
+ struct netlink_ext_ack *extack)
{
bool is_bpf, is_ebpf, have_exts = false;
u32 gen_flags = 0;
@@ -418,7 +425,7 @@ static int cls_bpf_set_parms(struct net *net, struct tcf_proto *tp,
if ((!is_bpf && !is_ebpf) || (is_bpf && is_ebpf))
return -EINVAL;
- ret = tcf_exts_validate(net, tp, tb, est, &prog->exts, ovr);
+ ret = tcf_exts_validate(net, tp, tb, est, &prog->exts, ovr, extack);
if (ret < 0)
return ret;
@@ -456,7 +463,7 @@ static int cls_bpf_set_parms(struct net *net, struct tcf_proto *tp,
static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
- void **arg, bool ovr)
+ void **arg, bool ovr, struct netlink_ext_ack *extack)
{
struct cls_bpf_head *head = rtnl_dereference(tp->root);
struct cls_bpf_prog *oldprog = *arg;
@@ -504,11 +511,12 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
prog->handle = handle;
}
- ret = cls_bpf_set_parms(net, tp, prog, base, tb, tca[TCA_RATE], ovr);
+ ret = cls_bpf_set_parms(net, tp, prog, base, tb, tca[TCA_RATE], ovr,
+ extack);
if (ret < 0)
goto errout_idr;
- ret = cls_bpf_offload(tp, prog, oldprog);
+ ret = cls_bpf_offload(tp, prog, oldprog, extack);
if (ret)
goto errout_parms;