linux: enable some useful networking options

All options are enabled by default on Debian and some other
distributions, so these should be safe.

+14
+14
pkgs/os-specific/linux/kernel/common-config.nix
··· 112 112 IPV6_PRIVACY y 113 113 ''} 114 114 NETFILTER_ADVANCED y 115 + IP_ROUTE_VERBOSE y 116 + IP_MROUTE_MULTIPLE_TABLES y 115 117 IP_VS_PROTO_TCP y 116 118 IP_VS_PROTO_UDP y 117 119 IP_VS_PROTO_ESP y 118 120 IP_VS_PROTO_AH y 119 121 IP_DCCP_CCID3 n # experimental 122 + IPV6_ROUTER_PREF y 123 + IPV6_ROUTE_INFO y 124 + IPV6_OPTIMISTIC_DAD y 125 + IPV6_MULTIPLE_TABLES y 126 + IPV6_SUBTREES y 127 + IPV6_MROUTE y 128 + IPV6_MROUTE_MULTIPLE_TABLES y 129 + IPV6_PIMSM_V2 y 120 130 CLS_U32_PERF y 121 131 CLS_U32_MARK y 122 132 ${optionalString (stdenv.system == "x86_64-linux") '' ··· 126 136 NET_CLS_BPF m 127 137 NET_ACT_BPF m 128 138 ''} 139 + L2TP_V3 y 140 + L2TP_IP m 141 + L2TP_ETH m 142 + BRIDGE_VLAN_FILTERING y 129 143 130 144 # Wireless networking. 131 145 CFG80211_WEXT? y # Without it, ipw2200 drivers don't build