| /* |
| * teamd_bpf_chef.h - Cooking BPF functions for teamd |
| * Copyright (C) 2012-2015 Jiri Pirko <jiri@resnulli.us> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _TEAMD_BPF_CHEF_H_ |
| #define _TEAMD_BPF_CHEF_H_ |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| enum hashing_protos { |
| PROTO_ETH, |
| PROTO_VLAN, |
| PROTO_IP, |
| PROTO_IPV4, |
| PROTO_IPV6, |
| PROTO_L3, |
| PROTO_TCP, |
| PROTO_UDP, |
| PROTO_SCTP, |
| PROTO_L4, |
| }; |
| |
| /* |
| * Description of to-be-compiled BPF function. |
| * Pattern will be used to check if packet matches that. If not, nothing is |
| * done. If yes, final hash will be computed from given fields. |
| */ |
| struct teamd_bpf_desc_frag { |
| char * name; |
| enum hashing_protos hproto; |
| }; |
| |
| void teamd_bpf_desc_compile_start(struct sock_fprog *fprog); |
| void teamd_bpf_desc_compile_release(struct sock_fprog *fprog); |
| int teamd_bpf_desc_compile(struct sock_fprog *fprog); |
| int teamd_bpf_desc_compile_finish(struct sock_fprog *fprog); |
| int teamd_bpf_desc_add_frag(struct sock_fprog *fprog, |
| const struct teamd_bpf_desc_frag *frag); |
| |
| #endif /* _TEAMD_BPF_CHEF_H_ */ |