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34 lines
590 B
34 lines
590 B
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (C) 2014 Felix Fietkau <[email protected]> |
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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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