netdev - Re: [PATCH net-next 7/7] net: sched: call reoffload op on block callback reg

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Message-ID: <20180625205832.GI2161@nanopsycho>
Date:   Mon, 25 Jun 2018 22:58:32 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     davem@...emloft.net, xiyou.wangcong@...il.com, jhs@...atatu.com,
        gerlitz.or@...il.com, netdev@...r.kernel.org,
        oss-drivers@...ronome.com, John Hurley <john.hurley@...ronome.com>
Subject: Re: [PATCH net-next 7/7] net: sched: call reoffload op on block
 callback reg

Mon, Jun 25, 2018 at 06:34:31AM CEST, jakub.kicinski@...ronome.com wrote:
>From: John Hurley <john.hurley@...ronome.com>

[...]	
	
>+static int
>+tcf_block_playback_offloads(struct tcf_block *block, tc_setup_cb_t *cb,
>+			    void *cb_priv, bool add, bool offload_in_use,
>+			    struct netlink_ext_ack *extack)
>+{
>+	struct tcf_chain *chain;
>+	struct tcf_proto *tp;
>+	int err;
>+
>+	list_for_each_entry(chain, &block->chain_list, list) {
>+		for (tp = rtnl_dereference(chain->filter_chain); tp;
>+		     tp = rtnl_dereference(tp->next)) {
>+			if (tp->ops->reoffload) {
>+				err = tp->ops->reoffload(tp, add, cb, cb_priv,
>+							 extack);
>+				if (err && add)
>+					goto err_playback_remove;
>+			} else if (add && offload_in_use) {
>+				err = -EOPNOTSUPP;
>+				NL_SET_ERR_MSG(extack, "Filter replay failed - a filters doesn't support re-offloading");

This msg sounds weird. Please fix it.

Otherwise this looks very good to me! Thanks!