1 /* 2 * IPV6 GSO/GRO offload support 3 * Linux INET6 implementation 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 8 * 2 of the License, or (at your option) any later version. 9 * 10 * IPV6 Extension Header GSO/GRO support 11 */ 12 #include <net/protocol.h> 13 #include "ip6_offload.h" 14 15 static const struct net_offload rthdr_offload = { 16 .flags = INET6_PROTO_GSO_EXTHDR, 17 }; 18 19 static const struct net_offload dstopt_offload = { 20 .flags = INET6_PROTO_GSO_EXTHDR, 21 }; 22 23 int __init ipv6_exthdrs_offload_init(void) 24 { 25 int ret; 26 27 ret = inet6_add_offload(&rthdr_offload, IPPROTO_ROUTING); 28 if (ret) 29 goto out; 30 31 ret = inet6_add_offload(&dstopt_offload, IPPROTO_DSTOPTS); 32 if (ret) 33 goto out_rt; 34 35 out: 36 return ret; 37 38 out_rt: 39 inet_del_offload(&rthdr_offload, IPPROTO_ROUTING); 40 goto out; 41 } 42