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net: dsa: tag_ocelot: let DSA core deal with TX reallocation
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -143,13 +143,6 @@ static struct sk_buff *ocelot_xmit(struct sk_buff *skb,
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struct ocelot_port *ocelot_port;
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u8 *prefix, *injection;
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u64 qos_class, rew_op;
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int err;
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err = skb_cow_head(skb, OCELOT_TOTAL_TAG_LEN);
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if (unlikely(err < 0)) {
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netdev_err(netdev, "Cannot make room for tag.\n");
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return NULL;
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}
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ocelot_port = ocelot->ports[dp->index];
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