59 	struct ps_process *psp = arg;  in ps_bpf_recvbpf()  local
60 	struct bpf *bpf = psp->psp_bpf;  in ps_bpf_recvbpf()
64 		.ps_id = psp->psp_id,  in ps_bpf_recvbpf()
65 		.ps_cmd = psp->psp_id.psi_cmd,  in ps_bpf_recvbpf()
80 				logerr("%s: %s", psp->psp_ifname, __func__);  in ps_bpf_recvbpf()
86 			eloop_event_delete(psp->psp_ctx->eloop, bpf->bpf_fd);  in ps_bpf_recvbpf()
88 			psp->psp_bpf = NULL;  in ps_bpf_recvbpf()
94 		len = ps_sendpsmdata(psp->psp_ctx, psp->psp_ctx->ps_data_fd,  in ps_bpf_recvbpf()
106 	struct ps_process *psp = arg;  in ps_bpf_recvmsgcb()  local
110 	logerrx("%s: IN cmd %x, psp %p", __func__, psm->ps_cmd, psp);  in ps_bpf_recvmsgcb()
127 	if (psp->psp_bpf == NULL) {  in ps_bpf_recvmsgcb()
132 	return bpf_send(psp->psp_bpf, psp->psp_proto,  in ps_bpf_recvmsgcb()
139 	struct ps_process *psp = arg;  in ps_bpf_recvmsg()  local
141 	if (ps_recvpsmsg(psp->psp_ctx, psp->psp_fd, events,  in ps_bpf_recvmsg()
147 ps_bpf_start_bpf(struct ps_process *psp)  in ps_bpf_start_bpf()  argument
149 	struct dhcpcd_ctx *ctx = psp->psp_ctx;  in ps_bpf_start_bpf()
151 	struct in_addr *ia = &psp->psp_id.psi_addr.psa_in_addr;  in ps_bpf_start_bpf()
158 	setproctitle("[BPF %s] %s%s%s", psp->psp_protostr, psp->psp_ifname,  in ps_bpf_start_bpf()
160 	ps_freeprocesses(ctx, psp);  in ps_bpf_start_bpf()
162 	psp->psp_bpf = bpf_open(&psp->psp_ifp, psp->psp_filter, ia);  in ps_bpf_start_bpf()
163 	if (psp->psp_bpf == NULL)  in ps_bpf_start_bpf()
166 	else if (ps_rights_limit_fd(psp->psp_bpf->bpf_fd) == -1)  in ps_bpf_start_bpf()
169 	else if (eloop_event_add(ctx->eloop, psp->psp_bpf->bpf_fd, ELE_READ,  in ps_bpf_start_bpf()
170 	    ps_bpf_recvbpf, psp) == -1)  in ps_bpf_start_bpf()
173 		psp->psp_work_fd = psp->psp_bpf->bpf_fd;  in ps_bpf_start_bpf()
185 	struct ps_process *psp;  in ps_bpf_cmd()  local
193 	psp = ps_findprocess(ctx, &psm->ps_id);  in ps_bpf_cmd()
196 	logerrx("%s: IN cmd %x, psp %p", __func__, psm->ps_cmd, psp);  in ps_bpf_cmd()
216 	if (psp != NULL)  in ps_bpf_cmd()
219 	psp = ps_newprocess(ctx, &psm->ps_id);  in ps_bpf_cmd()
220 	if (psp == NULL)  in ps_bpf_cmd()
223 	ifp = &psp->psp_ifp;  in ps_bpf_cmd()
227 	ifp->ctx = psp->psp_ctx;  in ps_bpf_cmd()
231 	memcpy(psp->psp_ifname, ifp->name, sizeof(psp->psp_ifname));  in ps_bpf_cmd()
236 		psp->psp_proto = ETHERTYPE_ARP;  in ps_bpf_cmd()
237 		psp->psp_protostr = "ARP";  in ps_bpf_cmd()
238 		psp->psp_filter = bpf_arp;  in ps_bpf_cmd()
242 		psp->psp_proto = ETHERTYPE_IP;  in ps_bpf_cmd()
243 		psp->psp_protostr = "BOOTP";  in ps_bpf_cmd()
244 		psp->psp_filter = bpf_bootp;  in ps_bpf_cmd()
252 	snprintf(psp->psp_name, sizeof(psp->psp_name), "BPF %s%s%s",  in ps_bpf_cmd()
253 	    psp->psp_protostr,  in ps_bpf_cmd()
256 	start = ps_startprocess(psp, ps_bpf_recvmsg, NULL,  in ps_bpf_cmd()
260 		ps_freeprocess(psp);  in ps_bpf_cmd()
267 		    psp->psp_ifname, psp->psp_name, psp->psp_pid);  in ps_bpf_cmd()