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sysctl-util: support AF_MPLS

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To support writing/reading e.g. /proc/sys/net/mpls/conf/eth0/input .
This commit is contained in:
Yu Watanabe 2024-12-07 05:03:56 +09:00 committed by Luca Boccassi
parent d218ecc733
commit dcd333168e
1 changed files with 13 additions and 6 deletions
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19
src/basic/sysctl-util.c
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@ -115,22 +115,29 @@ int sysctl_writef(const char *property, const char *format, ...) {
return sysctl_write(property, v);
}
static const char* af_to_sysctl_dir(int af) {
if (af == AF_MPLS)
return "mpls";
return af_to_ipv4_ipv6(af);
}
int sysctl_write_ip_property(int af, const char *ifname, const char *property, const char *value, Hashmap **shadow) {
const char *p;
assert(property);
assert(value);
if (!IN_SET(af, AF_INET, AF_INET6))
if (!IN_SET(af, AF_INET, AF_INET6, AF_MPLS))
return -EAFNOSUPPORT;
if (ifname) {
if (!ifname_valid_full(ifname, IFNAME_VALID_SPECIAL))
return -EINVAL;
p = strjoina("net/", af_to_ipv4_ipv6(af), "/conf/", ifname, "/", property);
p = strjoina("net/", af_to_sysctl_dir(af), "/conf/", ifname, "/", property);
} else
p = strjoina("net/", af_to_ipv4_ipv6(af), "/", property);
p = strjoina("net/", af_to_sysctl_dir(af), "/", property);
return sysctl_write_full(p, value, shadow);
}
@ -181,16 +188,16 @@ int sysctl_read_ip_property(int af, const char *ifname, const char *property, ch
assert(property);
if (!IN_SET(af, AF_INET, AF_INET6))
if (!IN_SET(af, AF_INET, AF_INET6, AF_MPLS))
return -EAFNOSUPPORT;
if (ifname) {
if (!ifname_valid_full(ifname, IFNAME_VALID_SPECIAL))
return -EINVAL;
p = strjoina("net/", af_to_ipv4_ipv6(af), "/conf/", ifname, "/", property);
p = strjoina("net/", af_to_sysctl_dir(af), "/conf/", ifname, "/", property);
} else
p = strjoina("net/", af_to_ipv4_ipv6(af), "/", property);
p = strjoina("net/", af_to_sysctl_dir(af), "/", property);
return sysctl_read(p, ret);
}