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| author | Quentin Monnet <quentin.monnet@netronome.com> | 2018-01-19 17:44:46 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-22 16:28:31 -0500 |
| commit | 631f65ff222211711715aad9a640fb5f954c81f5 (patch) | |
| tree | 1786fba56495fcc85a8a8ed938a947e2d0ddb81a /net/sched/cls_bpf.c | |
| parent | 10a47e0f0930149664dbc44169edc1fef09c4257 (diff) | |
| download | lwn-631f65ff222211711715aad9a640fb5f954c81f5.tar.gz lwn-631f65ff222211711715aad9a640fb5f954c81f5.zip | |
net: sched: cls_bpf: plumb extack support in filter for hardware offload
Pass the extack pointer obtained in the `->change()` filter operation to
cls_bpf_offload() and then to cls_bpf_offload_cmd(). This makes it
possible to use this extack pointer in drivers offloading BPF programs
in a future patch.
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_bpf.c')
| -rw-r--r-- | net/sched/cls_bpf.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index 988ad45d78b8..cd4194b1d5e4 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 = {}; @@ -173,7 +174,7 @@ static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog, 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) { tcf_block_offload_inc(block, &prog->gen_flags); @@ -192,7 +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) != @@ -206,7 +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, @@ -214,7 +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); } @@ -514,7 +516,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, 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; |