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ipv6: constify dev_addr passing 

In preparation for netdev->dev_addr being constant
make all relevant arguments in ndisc constant.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2021-10-12 08:58:38 -07:00
parent 2ef6db76ba
commit 1a8a23d2da
3 changed files with 5 additions and 5 deletions
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2
include/net/ndisc.h
View File

@ -137,7 +137,7 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
u8 *opt, int opt_len,
struct ndisc_options *ndopts);
void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
void __ndisc_fill_addr_option(struct sk_buff *skb, int type, const void *data,
int data_len, int pad);
#define NDISC_OPS_REDIRECT_DATA_SPACE 2

4
net/ipv6/addrconf.c
View File

@ -2237,12 +2237,12 @@ static int addrconf_ifid_6lowpan(u8 *eui, struct net_device *dev)
static int addrconf_ifid_ieee1394(u8 *eui, struct net_device *dev)
{
union fwnet_hwaddr *ha;
const union fwnet_hwaddr *ha;
if (dev->addr_len != FWNET_ALEN)
return -1;
ha = (union fwnet_hwaddr *)dev->dev_addr;
ha = (const union fwnet_hwaddr *)dev->dev_addr;
memcpy(eui, &ha->uc.uniq_id, sizeof(ha->uc.uniq_id));
eui[0] ^= 2;

4
net/ipv6/ndisc.c
View File

@ -142,7 +142,7 @@ struct neigh_table nd_tbl = {
};
EXPORT_SYMBOL_GPL(nd_tbl);
void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
void __ndisc_fill_addr_option(struct sk_buff *skb, int type, const void *data,
int data_len, int pad)
{
int space = __ndisc_opt_addr_space(data_len, pad);
@ -165,7 +165,7 @@ void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
EXPORT_SYMBOL_GPL(__ndisc_fill_addr_option);
static inline void ndisc_fill_addr_option(struct sk_buff *skb, int type,
void *data, u8 icmp6_type)
const void *data, u8 icmp6_type)
{
__ndisc_fill_addr_option(skb, type, data, skb->dev->addr_len,
ndisc_addr_option_pad(skb->dev->type));