mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
b3284df1c8
No external dependencies on any module, place this in the core.
Increase is about 1800 byte for xfrm_input.o.
The beet helpers get added to internal header, as they can be reused
from xfrm_output.c in the next patch (kernel contains several
copies of them in the xfrm{4,6}_mode_beet.c files).
Before:
text data bss dec filename
5578 176 2364 8118 net/xfrm/xfrm_input.o
1180 64 0 1244 net/ipv4/xfrm4_mode_beet.o
171 40 0 211 net/ipv4/xfrm4_mode_transport.o
1163 40 0 1203 net/ipv4/xfrm4_mode_tunnel.o
1083 52 0 1135 net/ipv6/xfrm6_mode_beet.o
172 40 0 212 net/ipv6/xfrm6_mode_ro.o
172 40 0 212 net/ipv6/xfrm6_mode_transport.o
1056 40 0 1096 net/ipv6/xfrm6_mode_tunnel.o
After:
text data bss dec filename
7373 200 2364 9937 net/xfrm/xfrm_input.o
587 44 0 631 net/ipv4/xfrm4_mode_beet.o
171 32 0 203 net/ipv4/xfrm4_mode_transport.o
649 32 0 681 net/ipv4/xfrm4_mode_tunnel.o
625 44 0 669 net/ipv6/xfrm6_mode_beet.o
172 32 0 204 net/ipv6/xfrm6_mode_ro.o
172 32 0 204 net/ipv6/xfrm6_mode_transport.o
599 32 0 631 net/ipv6/xfrm6_mode_tunnel.o
v2: pass inner_mode to xfrm_inner_mode_encap_remove to fix
AF_UNSPEC selector breakage (bisected by Benedict Wong)
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
39 lines
889 B
C
39 lines
889 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#include <linux/ipv6.h>
|
|
#include <net/dsfield.h>
|
|
#include <net/xfrm.h>
|
|
|
|
#ifndef XFRM_INOUT_H
|
|
#define XFRM_INOUT_H 1
|
|
|
|
static inline void xfrm6_beet_make_header(struct sk_buff *skb)
|
|
{
|
|
struct ipv6hdr *iph = ipv6_hdr(skb);
|
|
|
|
iph->version = 6;
|
|
|
|
memcpy(iph->flow_lbl, XFRM_MODE_SKB_CB(skb)->flow_lbl,
|
|
sizeof(iph->flow_lbl));
|
|
iph->nexthdr = XFRM_MODE_SKB_CB(skb)->protocol;
|
|
|
|
ipv6_change_dsfield(iph, 0, XFRM_MODE_SKB_CB(skb)->tos);
|
|
iph->hop_limit = XFRM_MODE_SKB_CB(skb)->ttl;
|
|
}
|
|
|
|
static inline void xfrm4_beet_make_header(struct sk_buff *skb)
|
|
{
|
|
struct iphdr *iph = ip_hdr(skb);
|
|
|
|
iph->ihl = 5;
|
|
iph->version = 4;
|
|
|
|
iph->protocol = XFRM_MODE_SKB_CB(skb)->protocol;
|
|
iph->tos = XFRM_MODE_SKB_CB(skb)->tos;
|
|
|
|
iph->id = XFRM_MODE_SKB_CB(skb)->id;
|
|
iph->frag_off = XFRM_MODE_SKB_CB(skb)->frag_off;
|
|
iph->ttl = XFRM_MODE_SKB_CB(skb)->ttl;
|
|
}
|
|
|
|
#endif
|