David Venhoff
cfcea9ee67
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
35 lines
590 B
C
35 lines
590 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
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*/
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#include "mt7601u.h"
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void mt76_remove_hdr_pad(struct sk_buff *skb)
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{
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int len = ieee80211_get_hdrlen_from_skb(skb);
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memmove(skb->data + 2, skb->data, len);
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skb_pull(skb, 2);
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}
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int mt76_insert_hdr_pad(struct sk_buff *skb)
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{
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int len = ieee80211_get_hdrlen_from_skb(skb);
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int ret;
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if (len % 4 == 0)
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return 0;
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ret = skb_cow(skb, 2);
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if (ret)
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return ret;
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skb_push(skb, 2);
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memmove(skb->data, skb->data + 2, len);
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skb->data[len] = 0;
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skb->data[len + 1] = 0;
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return 0;
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}
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