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[SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}

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To clearly state the intent of copying to linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-03-31 11:55:19 -03:00
committed by David S. Miller
parent 3dbad80ac7
commit 27d7ff46a3
63 changed files with 185 additions and 127 deletions
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24
drivers/net/chelsio/sge.c
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@@ -2095,10 +2095,14 @@ static void espibug_workaround_t204(unsigned long data)
0x0, 0x7, 0x43, 0x0, 0x0, 0x0
};
memcpy(skb->data + sizeof(struct cpl_tx_pkt),
ch_mac_addr, ETH_ALEN);
memcpy(skb->data + skb->len - 10,
ch_mac_addr, ETH_ALEN);
skb_copy_to_linear_data_offset(skb,
sizeof(struct cpl_tx_pkt),
ch_mac_addr,
ETH_ALEN);
skb_copy_to_linear_data_offset(skb,
skb->len - 10,
ch_mac_addr,
ETH_ALEN);
skb->cb[0] = 0xff;
}
@@ -2125,10 +2129,14 @@ static void espibug_workaround(unsigned long data)
if (!skb->cb[0]) {
u8 ch_mac_addr[ETH_ALEN] =
{0x0, 0x7, 0x43, 0x0, 0x0, 0x0};
memcpy(skb->data + sizeof(struct cpl_tx_pkt),
ch_mac_addr, ETH_ALEN);
memcpy(skb->data + skb->len - 10, ch_mac_addr,
ETH_ALEN);
skb_copy_to_linear_data_offset(skb,
sizeof(struct cpl_tx_pkt),
ch_mac_addr,
ETH_ALEN);
skb_copy_to_linear_data_offset(skb,
skb->len - 10,
ch_mac_addr,
ETH_ALEN);
skb->cb[0] = 0xff;
}