diff options
| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2016-05-28 15:28:51 -0400 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2016-05-28 15:28:51 -0400 |
| commit | 662c7e5073fa7ddfb80ad9594365063cedd3fa23 (patch) | |
| tree | a56ce2a5fecdbb750dfe5570d1e7333c8d1fd3fa /src | |
| parent | ccf1c70800ef4fd7220599a1f6214ac592d51a3c (diff) | |
| parent | 2b00a4e03dc375465de7f60f3a6937cbe8ffdf31 (diff) | |
Merge pull request #3326 from tomty89/update-2
networkd: IPv6 fixes
Diffstat (limited to 'src')
| -rw-r--r-- | src/basic/missing.h | 1 | ||||
| -rw-r--r-- | src/network/networkd-link.c | 32 |
2 files changed, 29 insertions, 4 deletions
diff --git a/src/basic/missing.h b/src/basic/missing.h index 2077ada72d..51dafcaca9 100644 --- a/src/basic/missing.h +++ b/src/basic/missing.h @@ -577,6 +577,7 @@ struct btrfs_ioctl_quota_ctl_args { #define IN6_ADDR_GEN_MODE_EUI64 0 #define IN6_ADDR_GEN_MODE_NONE 1 +#define IN6_ADDR_GEN_MODE_STABLE_PRIVACY 2 #endif #if !HAVE_DECL_IFLA_MACVLAN_FLAGS diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index a021fc886f..0d9d228796 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -110,7 +110,11 @@ static bool link_ipv6_enabled(Link *link) { if (!socket_ipv6_is_supported()) return false; - return link_dhcp6_enabled(link) || link_ipv6ll_enabled(link) || network_has_static_ipv6_addresses(link->network); + if (link->network->bridge) + return false; + + /* DHCPv6 client will not be started if no IPv6 link-local address is configured. */ + return link_ipv6ll_enabled(link) || network_has_static_ipv6_addresses(link->network); } static bool link_lldp_rx_enabled(Link *link) { @@ -1567,6 +1571,13 @@ static int link_up(Link *link) { if (r < 0) return log_link_error_errno(link, r, "Could not allocate RTM_SETLINK message: %m"); + /* set it free if not enslaved with networkd */ + if (!link->network->bridge && !link->network->bond) { + r = sd_netlink_message_append_u32(req, IFLA_MASTER, 0); + if (r < 0) + return log_link_error_errno(link, r, "Could not append IFLA_MASTER attribute: %m"); + } + r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP); if (r < 0) return log_link_error_errno(link, r, "Could not set link flags: %m"); @@ -1577,8 +1588,8 @@ static int link_up(Link *link) { return log_link_error_errno(link, r, "Could not set MAC address: %m"); } - /* If IPv6 not configured (no static IPv6 address and neither DHCPv6 nor IPv6LL is enabled) - for this interface then disable IPv6 else enable it. */ + /* If IPv6 not configured (no static IPv6 address and IPv6LL autoconfiguration is disabled) + for this interface, or if it is a bridge slave, then disable IPv6 else enable it. */ (void) link_enable_ipv6(link); if (link->network->mtu) { @@ -1607,7 +1618,20 @@ static int link_up(Link *link) { if (r < 0) return log_link_error_errno(link, r, "Could not open AF_INET6 container: %m"); - ipv6ll_mode = link_ipv6ll_enabled(link) ? IN6_ADDR_GEN_MODE_EUI64 : IN6_ADDR_GEN_MODE_NONE; + if (!link_ipv6ll_enabled(link)) + ipv6ll_mode = IN6_ADDR_GEN_MODE_NONE; + else { + const char *p = NULL; + _cleanup_free_ char *stable_secret = NULL; + + p = strjoina("/proc/sys/net/ipv6/conf/", link->ifname, "/stable_secret"); + r = read_one_line_file(p, &stable_secret); + + if (r < 0) + ipv6ll_mode = IN6_ADDR_GEN_MODE_EUI64; + else + ipv6ll_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY; + } r = sd_netlink_message_append_u8(req, IFLA_INET6_ADDR_GEN_MODE, ipv6ll_mode); if (r < 0) return log_link_error_errno(link, r, "Could not append IFLA_INET6_ADDR_GEN_MODE: %m"); |