bpf/progs/test_tc_tunnel.c

62 union l4hdr {
69 	union l4hdr l4hdr;
75 	union l4hdr l4hdr;
179 		olen += sizeof(h_outer.l4hdr.gre);
180 		h_outer.l4hdr.gre.protocol = bpf_htons(l2_proto);
181 		h_outer.l4hdr.gre.flags = 0;
185 		olen += sizeof(h_outer.l4hdr.udp);
186 		h_outer.l4hdr.udp.source = __bpf_constant_htons(cfg_udp_src);
187 		h_outer.l4hdr.udp.dest = bpf_htons(udp_dst);
188 		h_outer.l4hdr.udp.check = 0;
189 		h_outer.l4hdr.udp.len = bpf_htons(bpf_ntohs(iph_inner.tot_len) +
190 						  sizeof(h_outer.l4hdr.udp) +
310 		olen += sizeof(h_outer.l4hdr.gre);
311 		h_outer.l4hdr.gre.protocol = bpf_htons(l2_proto);
312 		h_outer.l4hdr.gre.flags = 0;
316 		olen += sizeof(h_outer.l4hdr.udp);
317 		h_outer.l4hdr.udp.source = __bpf_constant_htons(cfg_udp_src);
318 		h_outer.l4hdr.udp.dest = bpf_htons(udp_dst);
320 			  sizeof(h_outer.l4hdr.udp) + l2_len;
321 		h_outer.l4hdr.udp.check = 0;
322 		h_outer.l4hdr.udp.len = bpf_htons(tot_len);