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net: ipv6: Fix IPv6 netmask parsing

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It should be possible to specify a netmask when
setting a static IPv6 address.  For example:
setenv ip6addr 2001:cafe:cafe:cafe::100/64

The net_prefix_length and net_ip6 should be updated
properly.

Signed-off-by: Sean Edmond <seanedmond@microsoft.com>
Reviewed-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This commit is contained in:
Sean Edmond 2023-01-06 14:22:55 -08:00 committed by Tom Rini
parent 878a20aa15
commit 796e549822
1 changed files with 6 additions and 3 deletions
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9
net/net6.c
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@ -47,10 +47,13 @@ static int on_ip6addr(const char *name, const char *value, enum env_op op,
}
mask = strchr(value, '/');
len = strlen(value);
if (mask)
net_prefix_length = simple_strtoul(value + len, NULL, 10);
if (mask) {
net_prefix_length = simple_strtoul(mask + 1, NULL, 10);
len = mask - value;
} else {
len = strlen(value);
}
return string_to_ip6(value, len, &net_ip6);
}