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net: add skb_[inner_]tcp_all_headers helpers

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Most drivers use "skb_transport_offset(skb) + tcp_hdrlen(skb)"
to compute headers length for a TCP packet, but others
use more convoluted (but equivalent) ways.

Add skb_tcp_all_headers() and skb_inner_tcp_all_headers()
helpers to harmonize this a bit.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2022-06-30 15:07:50 +00:00
committed by David S. Miller
parent 04740c53ca
commit 504148fedb
48 changed files with 119 additions and 115 deletions
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8
drivers/net/ethernet/qlogic/qede/qede_fp.c
View File

@ -260,11 +260,9 @@ static int map_frag_to_bd(struct qede_tx_queue *txq,
static u16 qede_get_skb_hlen(struct sk_buff *skb, bool is_encap_pkt)
{
if (is_encap_pkt)
return (skb_inner_transport_header(skb) +
inner_tcp_hdrlen(skb) - skb->data);
else
return (skb_transport_header(skb) +
tcp_hdrlen(skb) - skb->data);
return skb_inner_tcp_all_headers(skb);
return skb_tcp_all_headers(skb);
}
/* +2 for 1st BD for headers and 2nd BD for headlen (if required) */