Lines Matching full:so
167 static u32 isotp_bc_flags(struct isotp_sock *so) in isotp_bc_flags() argument
169 return so->opt.flags & ISOTP_ALL_BC_FLAGS; in isotp_bc_flags()
172 static bool isotp_register_rxid(struct isotp_sock *so) in isotp_register_rxid() argument
175 return (isotp_bc_flags(so) == 0); in isotp_register_rxid()
180 struct isotp_sock *so = container_of(hrtimer, struct isotp_sock, in isotp_rx_timer_handler() local
182 struct sock *sk = &so->sk; in isotp_rx_timer_handler()
184 if (so->rx.state == ISOTP_WAIT_DATA) { in isotp_rx_timer_handler()
193 so->rx.state = ISOTP_IDLE; in isotp_rx_timer_handler()
204 struct isotp_sock *so = isotp_sk(sk); in isotp_send_fc() local
207 nskb = alloc_skb(so->ll.mtu + sizeof(struct can_skb_priv), gfp_any()); in isotp_send_fc()
211 dev = dev_get_by_index(sock_net(sk), so->ifindex); in isotp_send_fc()
224 skb_put_zero(nskb, so->ll.mtu); in isotp_send_fc()
227 ncf->can_id = so->txid; in isotp_send_fc()
229 if (so->opt.flags & CAN_ISOTP_TX_PADDING) { in isotp_send_fc()
230 memset(ncf->data, so->opt.txpad_content, CAN_MAX_DLEN); in isotp_send_fc()
237 ncf->data[ae + 1] = so->rxfc.bs; in isotp_send_fc()
238 ncf->data[ae + 2] = so->rxfc.stmin; in isotp_send_fc()
241 ncf->data[0] = so->opt.ext_address; in isotp_send_fc()
243 ncf->flags = so->ll.tx_flags; in isotp_send_fc()
253 so->rx.bs = 0; in isotp_send_fc()
256 so->lastrxcf_tstamp = ktime_set(0, 0); in isotp_send_fc()
259 hrtimer_start(&so->rxtimer, ktime_set(ISOTP_FC_TIMEOUT, 0), in isotp_send_fc()
318 static int check_pad(struct isotp_sock *so, struct canfd_frame *cf, in check_pad() argument
324 if (!(so->opt.flags & CAN_ISOTP_RX_PADDING)) { in check_pad()
325 if (so->opt.flags & CAN_ISOTP_CHK_PAD_LEN) in check_pad()
333 if ((so->opt.flags & CAN_ISOTP_CHK_PAD_LEN) && in check_pad()
338 if (so->opt.flags & CAN_ISOTP_CHK_PAD_DATA) { in check_pad()
346 static void isotp_send_cframe(struct isotp_sock *so);
348 static int isotp_rcv_fc(struct isotp_sock *so, struct canfd_frame *cf, int ae) in isotp_rcv_fc() argument
350 struct sock *sk = &so->sk; in isotp_rcv_fc()
352 if (so->tx.state != ISOTP_WAIT_FC && in isotp_rcv_fc()
353 so->tx.state != ISOTP_WAIT_FIRST_FC) in isotp_rcv_fc()
356 hrtimer_cancel(&so->txtimer); in isotp_rcv_fc()
359 ((so->opt.flags & ISOTP_CHECK_PADDING) && in isotp_rcv_fc()
360 check_pad(so, cf, ae + FC_CONTENT_SZ, so->opt.rxpad_content))) { in isotp_rcv_fc()
366 so->tx.state = ISOTP_IDLE; in isotp_rcv_fc()
367 wake_up_interruptible(&so->wait); in isotp_rcv_fc()
372 if (so->tx.state == ISOTP_WAIT_FIRST_FC) { in isotp_rcv_fc()
373 so->txfc.bs = cf->data[ae + 1]; in isotp_rcv_fc()
374 so->txfc.stmin = cf->data[ae + 2]; in isotp_rcv_fc()
377 if (so->txfc.stmin > 0x7F && in isotp_rcv_fc()
378 (so->txfc.stmin < 0xF1 || so->txfc.stmin > 0xF9)) in isotp_rcv_fc()
379 so->txfc.stmin = 0x7F; in isotp_rcv_fc()
381 so->tx_gap = ktime_set(0, 0); in isotp_rcv_fc()
383 so->tx_gap = ktime_add_ns(so->tx_gap, so->frame_txtime); in isotp_rcv_fc()
385 if (so->opt.flags & CAN_ISOTP_FORCE_TXSTMIN) in isotp_rcv_fc()
386 so->tx_gap = ktime_add_ns(so->tx_gap, in isotp_rcv_fc()
387 so->force_tx_stmin); in isotp_rcv_fc()
388 else if (so->txfc.stmin < 0x80) in isotp_rcv_fc()
389 so->tx_gap = ktime_add_ns(so->tx_gap, in isotp_rcv_fc()
390 so->txfc.stmin * 1000000); in isotp_rcv_fc()
392 so->tx_gap = ktime_add_ns(so->tx_gap, in isotp_rcv_fc()
393 (so->txfc.stmin - 0xF0) in isotp_rcv_fc()
395 so->tx.state = ISOTP_WAIT_FC; in isotp_rcv_fc()
400 so->tx.bs = 0; in isotp_rcv_fc()
401 so->tx.state = ISOTP_SENDING; in isotp_rcv_fc()
403 hrtimer_start(&so->txtimer, ktime_set(ISOTP_ECHO_TIMEOUT, 0), in isotp_rcv_fc()
405 isotp_send_cframe(so); in isotp_rcv_fc()
410 hrtimer_start(&so->txtimer, ktime_set(ISOTP_FC_TIMEOUT, 0), in isotp_rcv_fc()
423 so->tx.state = ISOTP_IDLE; in isotp_rcv_fc()
424 wake_up_interruptible(&so->wait); in isotp_rcv_fc()
432 struct isotp_sock *so = isotp_sk(sk); in isotp_rcv_sf() local
435 hrtimer_cancel(&so->rxtimer); in isotp_rcv_sf()
436 so->rx.state = ISOTP_IDLE; in isotp_rcv_sf()
441 if ((so->opt.flags & ISOTP_CHECK_PADDING) && in isotp_rcv_sf()
442 check_pad(so, cf, pcilen + len, so->opt.rxpad_content)) { in isotp_rcv_sf()
464 struct isotp_sock *so = isotp_sk(sk); in isotp_rcv_ff() local
469 hrtimer_cancel(&so->rxtimer); in isotp_rcv_ff()
470 so->rx.state = ISOTP_IDLE; in isotp_rcv_ff()
473 so->rx.ll_dl = padlen(cf->len); in isotp_rcv_ff()
476 if (cf->len != so->rx.ll_dl) in isotp_rcv_ff()
480 so->rx.len = (cf->data[ae] & 0x0F) << 8; in isotp_rcv_ff()
481 so->rx.len += cf->data[ae + 1]; in isotp_rcv_ff()
484 if (so->rx.len) { in isotp_rcv_ff()
488 so->rx.len = cf->data[ae + 2] << 24; in isotp_rcv_ff()
489 so->rx.len += cf->data[ae + 3] << 16; in isotp_rcv_ff()
490 so->rx.len += cf->data[ae + 4] << 8; in isotp_rcv_ff()
491 so->rx.len += cf->data[ae + 5]; in isotp_rcv_ff()
496 off = (so->rx.ll_dl > CAN_MAX_DLEN) ? 1 : 0; in isotp_rcv_ff()
498 if (so->rx.len + ae + off + ff_pci_sz < so->rx.ll_dl) in isotp_rcv_ff()
501 if (so->rx.len > MAX_MSG_LENGTH) { in isotp_rcv_ff()
508 so->rx.idx = 0; in isotp_rcv_ff()
509 for (i = ae + ff_pci_sz; i < so->rx.ll_dl; i++) in isotp_rcv_ff()
510 so->rx.buf[so->rx.idx++] = cf->data[i]; in isotp_rcv_ff()
513 so->rx.sn = 1; in isotp_rcv_ff()
514 so->rx.state = ISOTP_WAIT_DATA; in isotp_rcv_ff()
517 if (so->opt.flags & CAN_ISOTP_LISTEN_MODE) in isotp_rcv_ff()
528 struct isotp_sock *so = isotp_sk(sk); in isotp_rcv_cf() local
532 if (so->rx.state != ISOTP_WAIT_DATA) in isotp_rcv_cf()
536 if (so->opt.flags & CAN_ISOTP_FORCE_RXSTMIN) { in isotp_rcv_cf()
537 if (ktime_to_ns(ktime_sub(skb->tstamp, so->lastrxcf_tstamp)) < in isotp_rcv_cf()
538 so->force_rx_stmin) in isotp_rcv_cf()
541 so->lastrxcf_tstamp = skb->tstamp; in isotp_rcv_cf()
544 hrtimer_cancel(&so->rxtimer); in isotp_rcv_cf()
547 if (cf->len > so->rx.ll_dl) in isotp_rcv_cf()
551 if (cf->len < so->rx.ll_dl) { in isotp_rcv_cf()
553 if (so->rx.len - so->rx.idx > so->rx.ll_dl - ae - N_PCI_SZ) in isotp_rcv_cf()
557 if ((cf->data[ae] & 0x0F) != so->rx.sn) { in isotp_rcv_cf()
564 so->rx.state = ISOTP_IDLE; in isotp_rcv_cf()
567 so->rx.sn++; in isotp_rcv_cf()
568 so->rx.sn %= 16; in isotp_rcv_cf()
571 so->rx.buf[so->rx.idx++] = cf->data[i]; in isotp_rcv_cf()
572 if (so->rx.idx >= so->rx.len) in isotp_rcv_cf()
576 if (so->rx.idx >= so->rx.len) { in isotp_rcv_cf()
578 so->rx.state = ISOTP_IDLE; in isotp_rcv_cf()
580 if ((so->opt.flags & ISOTP_CHECK_PADDING) && in isotp_rcv_cf()
581 check_pad(so, cf, i + 1, so->opt.rxpad_content)) { in isotp_rcv_cf()
589 nskb = alloc_skb(so->rx.len, gfp_any()); in isotp_rcv_cf()
593 memcpy(skb_put(nskb, so->rx.len), so->rx.buf, in isotp_rcv_cf()
594 so->rx.len); in isotp_rcv_cf()
603 if (!so->rxfc.bs || ++so->rx.bs < so->rxfc.bs) { in isotp_rcv_cf()
605 hrtimer_start(&so->rxtimer, ktime_set(ISOTP_FC_TIMEOUT, 0), in isotp_rcv_cf()
611 if (so->opt.flags & CAN_ISOTP_LISTEN_MODE) in isotp_rcv_cf()
614 /* we reached the specified blocksize so->rxfc.bs */ in isotp_rcv_cf()
622 struct isotp_sock *so = isotp_sk(sk); in isotp_rcv() local
624 int ae = (so->opt.flags & CAN_ISOTP_EXTEND_ADDR) ? 1 : 0; in isotp_rcv()
630 if (skb->len != so->ll.mtu) in isotp_rcv()
636 if (ae && cf->data[0] != so->opt.rx_ext_address) in isotp_rcv()
645 spin_lock(&so->rx_lock); in isotp_rcv()
647 if (so->opt.flags & CAN_ISOTP_HALF_DUPLEX) { in isotp_rcv()
649 if ((so->tx.state != ISOTP_IDLE && n_pci_type != N_PCI_FC) || in isotp_rcv()
650 (so->rx.state != ISOTP_IDLE && n_pci_type == N_PCI_FC)) in isotp_rcv()
657 isotp_rcv_fc(so, cf, ae); in isotp_rcv()
678 * If so take care of the increased SF PCI size in isotp_rcv()
702 spin_unlock(&so->rx_lock); in isotp_rcv()
705 static void isotp_fill_dataframe(struct canfd_frame *cf, struct isotp_sock *so, in isotp_fill_dataframe() argument
709 int space = so->tx.ll_dl - pcilen; in isotp_fill_dataframe()
710 int num = min_t(int, so->tx.len - so->tx.idx, space); in isotp_fill_dataframe()
713 cf->can_id = so->txid; in isotp_fill_dataframe()
717 if (so->opt.flags & CAN_ISOTP_TX_PADDING) { in isotp_fill_dataframe()
720 memset(cf->data, so->opt.txpad_content, cf->len); in isotp_fill_dataframe()
730 cf->data[pcilen + i] = so->tx.buf[so->tx.idx++]; in isotp_fill_dataframe()
733 cf->data[0] = so->opt.ext_address; in isotp_fill_dataframe()
736 static void isotp_send_cframe(struct isotp_sock *so) in isotp_send_cframe() argument
738 struct sock *sk = &so->sk; in isotp_send_cframe()
743 int ae = (so->opt.flags & CAN_ISOTP_EXTEND_ADDR) ? 1 : 0; in isotp_send_cframe()
745 dev = dev_get_by_index(sock_net(sk), so->ifindex); in isotp_send_cframe()
749 skb = alloc_skb(so->ll.mtu + sizeof(struct can_skb_priv), GFP_ATOMIC); in isotp_send_cframe()
760 skb_put_zero(skb, so->ll.mtu); in isotp_send_cframe()
763 isotp_fill_dataframe(cf, so, ae, 0); in isotp_send_cframe()
766 cf->data[ae] = N_PCI_CF | so->tx.sn++; in isotp_send_cframe()
767 so->tx.sn %= 16; in isotp_send_cframe()
768 so->tx.bs++; in isotp_send_cframe()
770 cf->flags = so->ll.tx_flags; in isotp_send_cframe()
776 if (so->cfecho) in isotp_send_cframe()
777 pr_notice_once("can-isotp: cfecho is %08X != 0\n", so->cfecho); in isotp_send_cframe()
780 so->cfecho = *(u32 *)cf->data; in isotp_send_cframe()
793 static void isotp_create_fframe(struct canfd_frame *cf, struct isotp_sock *so, in isotp_create_fframe() argument
799 cf->can_id = so->txid; in isotp_create_fframe()
800 cf->len = so->tx.ll_dl; in isotp_create_fframe()
802 cf->data[0] = so->opt.ext_address; in isotp_create_fframe()
805 if (so->tx.len > 4095) { in isotp_create_fframe()
809 cf->data[ae + 2] = (u8)(so->tx.len >> 24) & 0xFFU; in isotp_create_fframe()
810 cf->data[ae + 3] = (u8)(so->tx.len >> 16) & 0xFFU; in isotp_create_fframe()
811 cf->data[ae + 4] = (u8)(so->tx.len >> 8) & 0xFFU; in isotp_create_fframe()
812 cf->data[ae + 5] = (u8)so->tx.len & 0xFFU; in isotp_create_fframe()
816 cf->data[ae] = (u8)(so->tx.len >> 8) | N_PCI_FF; in isotp_create_fframe()
817 cf->data[ae + 1] = (u8)so->tx.len & 0xFFU; in isotp_create_fframe()
822 for (i = ae + ff_pci_sz; i < so->tx.ll_dl; i++) in isotp_create_fframe()
823 cf->data[i] = so->tx.buf[so->tx.idx++]; in isotp_create_fframe()
825 so->tx.sn = 1; in isotp_create_fframe()
831 struct isotp_sock *so = isotp_sk(sk); in isotp_rcv_echo() local
835 if (skb->sk != sk || so->cfecho != *(u32 *)cf->data) in isotp_rcv_echo()
839 hrtimer_cancel(&so->txtimer); in isotp_rcv_echo()
842 so->cfecho = 0; in isotp_rcv_echo()
844 if (so->tx.idx >= so->tx.len) { in isotp_rcv_echo()
846 so->tx.state = ISOTP_IDLE; in isotp_rcv_echo()
847 wake_up_interruptible(&so->wait); in isotp_rcv_echo()
851 if (so->txfc.bs && so->tx.bs >= so->txfc.bs) { in isotp_rcv_echo()
853 so->tx.state = ISOTP_WAIT_FC; in isotp_rcv_echo()
854 hrtimer_start(&so->txtimer, ktime_set(ISOTP_FC_TIMEOUT, 0), in isotp_rcv_echo()
860 if (!so->tx_gap) { in isotp_rcv_echo()
862 hrtimer_start(&so->txtimer, ktime_set(ISOTP_ECHO_TIMEOUT, 0), in isotp_rcv_echo()
864 isotp_send_cframe(so); in isotp_rcv_echo()
869 hrtimer_start(&so->txfrtimer, so->tx_gap, HRTIMER_MODE_REL_SOFT); in isotp_rcv_echo()
874 struct isotp_sock *so = container_of(hrtimer, struct isotp_sock, in isotp_tx_timer_handler() local
876 struct sock *sk = &so->sk; in isotp_tx_timer_handler()
879 if (so->tx.state == ISOTP_IDLE || so->tx.state == ISOTP_SHUTDOWN) in isotp_tx_timer_handler()
890 so->tx.state = ISOTP_IDLE; in isotp_tx_timer_handler()
891 wake_up_interruptible(&so->wait); in isotp_tx_timer_handler()
898 struct isotp_sock *so = container_of(hrtimer, struct isotp_sock, in isotp_txfr_timer_handler() local
902 hrtimer_start(&so->txtimer, ktime_set(ISOTP_ECHO_TIMEOUT, 0), in isotp_txfr_timer_handler()
906 if (so->tx.state == ISOTP_SENDING && !so->cfecho) in isotp_txfr_timer_handler()
907 isotp_send_cframe(so); in isotp_txfr_timer_handler()
915 struct isotp_sock *so = isotp_sk(sk); in isotp_sendmsg() local
919 int ae = (so->opt.flags & CAN_ISOTP_EXTEND_ADDR) ? 1 : 0; in isotp_sendmsg()
920 int wait_tx_done = (so->opt.flags & CAN_ISOTP_WAIT_TX_DONE) ? 1 : 0; in isotp_sendmsg()
925 if (!so->bound || so->tx.state == ISOTP_SHUTDOWN) in isotp_sendmsg()
928 while (cmpxchg(&so->tx.state, ISOTP_IDLE, ISOTP_SENDING) != ISOTP_IDLE) { in isotp_sendmsg()
933 if (so->tx.state == ISOTP_SHUTDOWN) in isotp_sendmsg()
937 err = wait_event_interruptible(so->wait, so->tx.state == ISOTP_IDLE); in isotp_sendmsg()
948 off = (so->tx.ll_dl > CAN_MAX_DLEN) ? 1 : 0; in isotp_sendmsg()
951 if ((isotp_bc_flags(so) == CAN_ISOTP_SF_BROADCAST) && in isotp_sendmsg()
952 (size > so->tx.ll_dl - SF_PCI_SZ4 - ae - off)) { in isotp_sendmsg()
957 err = memcpy_from_msg(so->tx.buf, msg, size); in isotp_sendmsg()
961 dev = dev_get_by_index(sock_net(sk), so->ifindex); in isotp_sendmsg()
967 skb = sock_alloc_send_skb(sk, so->ll.mtu + sizeof(struct can_skb_priv), in isotp_sendmsg()
978 so->tx.len = size; in isotp_sendmsg()
979 so->tx.idx = 0; in isotp_sendmsg()
982 skb_put_zero(skb, so->ll.mtu); in isotp_sendmsg()
985 if (so->cfecho) in isotp_sendmsg()
986 pr_notice_once("can-isotp: uninit cfecho %08X\n", so->cfecho); in isotp_sendmsg()
989 if (size <= so->tx.ll_dl - SF_PCI_SZ4 - ae - off) { in isotp_sendmsg()
1002 isotp_fill_dataframe(cf, so, ae, off); in isotp_sendmsg()
1014 so->cfecho = *(u32 *)cf->data; in isotp_sendmsg()
1018 isotp_create_fframe(cf, so, ae); in isotp_sendmsg()
1020 if (isotp_bc_flags(so) == CAN_ISOTP_CF_BROADCAST) { in isotp_sendmsg()
1022 if (so->opt.flags & CAN_ISOTP_FORCE_TXSTMIN) in isotp_sendmsg()
1023 so->tx_gap = ktime_set(0, so->force_tx_stmin); in isotp_sendmsg()
1025 so->tx_gap = ktime_set(0, so->frame_txtime); in isotp_sendmsg()
1028 so->txfc.bs = 0; in isotp_sendmsg()
1031 so->cfecho = *(u32 *)cf->data; in isotp_sendmsg()
1034 so->tx.state = ISOTP_WAIT_FIRST_FC; in isotp_sendmsg()
1040 so->cfecho = 0; in isotp_sendmsg()
1044 hrtimer_start(&so->txtimer, ktime_set(hrtimer_sec, 0), in isotp_sendmsg()
1048 cf->flags = so->ll.tx_flags; in isotp_sendmsg()
1059 hrtimer_cancel(&so->txtimer); in isotp_sendmsg()
1062 so->cfecho = 0; in isotp_sendmsg()
1069 err = wait_event_interruptible(so->wait, so->tx.state == ISOTP_IDLE); in isotp_sendmsg()
1082 so->tx.state = ISOTP_IDLE; in isotp_sendmsg()
1083 hrtimer_cancel(&so->txfrtimer); in isotp_sendmsg()
1084 hrtimer_cancel(&so->txtimer); in isotp_sendmsg()
1087 so->tx.state = ISOTP_IDLE; in isotp_sendmsg()
1088 wake_up_interruptible(&so->wait); in isotp_sendmsg()
1098 struct isotp_sock *so = isotp_sk(sk); in isotp_recvmsg() local
1105 if (!so->bound) in isotp_recvmsg()
1142 struct isotp_sock *so; in isotp_release() local
1148 so = isotp_sk(sk); in isotp_release()
1152 while (wait_event_interruptible(so->wait, so->tx.state == ISOTP_IDLE) == 0 && in isotp_release()
1153 cmpxchg(&so->tx.state, ISOTP_IDLE, ISOTP_SHUTDOWN) != ISOTP_IDLE) in isotp_release()
1157 so->tx.state = ISOTP_SHUTDOWN; in isotp_release()
1158 so->rx.state = ISOTP_IDLE; in isotp_release()
1161 while (isotp_busy_notifier == so) { in isotp_release()
1166 list_del(&so->notifier); in isotp_release()
1172 if (so->bound) { in isotp_release()
1173 if (so->ifindex) { in isotp_release()
1176 dev = dev_get_by_index(net, so->ifindex); in isotp_release()
1178 if (isotp_register_rxid(so)) in isotp_release()
1179 can_rx_unregister(net, dev, so->rxid, in isotp_release()
1180 SINGLE_MASK(so->rxid), in isotp_release()
1183 can_rx_unregister(net, dev, so->txid, in isotp_release()
1184 SINGLE_MASK(so->txid), in isotp_release()
1192 hrtimer_cancel(&so->txfrtimer); in isotp_release()
1193 hrtimer_cancel(&so->txtimer); in isotp_release()
1194 hrtimer_cancel(&so->rxtimer); in isotp_release()
1196 so->ifindex = 0; in isotp_release()
1197 so->bound = 0; in isotp_release()
1212 struct isotp_sock *so = isotp_sk(sk); in isotp_bind() local
1238 if (isotp_register_rxid(so)) { in isotp_bind()
1254 if (so->bound) { in isotp_bind()
1260 if (isotp_register_rxid(so) && rx_id == tx_id) { in isotp_bind()
1275 if (dev->mtu < so->ll.mtu) { in isotp_bind()
1285 if (isotp_register_rxid(so)) in isotp_bind()
1290 so->cfecho = 0; in isotp_bind()
1299 so->ifindex = ifindex; in isotp_bind()
1300 so->rxid = rx_id; in isotp_bind()
1301 so->txid = tx_id; in isotp_bind()
1302 so->bound = 1; in isotp_bind()
1320 struct isotp_sock *so = isotp_sk(sk); in isotp_getname() local
1327 addr->can_ifindex = so->ifindex; in isotp_getname()
1328 addr->can_addr.tp.rx_id = so->rxid; in isotp_getname()
1329 addr->can_addr.tp.tx_id = so->txid; in isotp_getname()
1338 struct isotp_sock *so = isotp_sk(sk); in isotp_setsockopt_locked() local
1341 if (so->bound) in isotp_setsockopt_locked()
1349 if (copy_from_sockptr(&so->opt, optval, optlen)) in isotp_setsockopt_locked()
1353 if (!(so->opt.flags & CAN_ISOTP_RX_EXT_ADDR)) in isotp_setsockopt_locked()
1354 so->opt.rx_ext_address = so->opt.ext_address; in isotp_setsockopt_locked()
1357 if (isotp_bc_flags(so) == ISOTP_ALL_BC_FLAGS) { in isotp_setsockopt_locked()
1359 so->opt.flags &= ~CAN_ISOTP_CF_BROADCAST; in isotp_setsockopt_locked()
1366 if (so->opt.frame_txtime) { in isotp_setsockopt_locked()
1367 if (so->opt.frame_txtime == CAN_ISOTP_FRAME_TXTIME_ZERO) in isotp_setsockopt_locked()
1368 so->frame_txtime = 0; in isotp_setsockopt_locked()
1370 so->frame_txtime = so->opt.frame_txtime; in isotp_setsockopt_locked()
1378 if (copy_from_sockptr(&so->rxfc, optval, optlen)) in isotp_setsockopt_locked()
1386 if (copy_from_sockptr(&so->force_tx_stmin, optval, optlen)) in isotp_setsockopt_locked()
1394 if (copy_from_sockptr(&so->force_rx_stmin, optval, optlen)) in isotp_setsockopt_locked()
1416 memcpy(&so->ll, &ll, sizeof(ll)); in isotp_setsockopt_locked()
1419 so->tx.ll_dl = ll.tx_dl; in isotp_setsockopt_locked()
1452 struct isotp_sock *so = isotp_sk(sk); in isotp_getsockopt() local
1466 val = &so->opt; in isotp_getsockopt()
1471 val = &so->rxfc; in isotp_getsockopt()
1476 val = &so->force_tx_stmin; in isotp_getsockopt()
1481 val = &so->force_rx_stmin; in isotp_getsockopt()
1486 val = &so->ll; in isotp_getsockopt()
1500 static void isotp_notify(struct isotp_sock *so, unsigned long msg, in isotp_notify() argument
1503 struct sock *sk = &so->sk; in isotp_notify()
1508 if (so->ifindex != dev->ifindex) in isotp_notify()
1515 if (so->bound) { in isotp_notify()
1516 if (isotp_register_rxid(so)) in isotp_notify()
1517 can_rx_unregister(dev_net(dev), dev, so->rxid, in isotp_notify()
1518 SINGLE_MASK(so->rxid), in isotp_notify()
1521 can_rx_unregister(dev_net(dev), dev, so->txid, in isotp_notify()
1522 SINGLE_MASK(so->txid), in isotp_notify()
1526 so->ifindex = 0; in isotp_notify()
1527 so->bound = 0; in isotp_notify()
1568 struct isotp_sock *so = isotp_sk(sk); in isotp_init() local
1570 so->ifindex = 0; in isotp_init()
1571 so->bound = 0; in isotp_init()
1573 so->opt.flags = CAN_ISOTP_DEFAULT_FLAGS; in isotp_init()
1574 so->opt.ext_address = CAN_ISOTP_DEFAULT_EXT_ADDRESS; in isotp_init()
1575 so->opt.rx_ext_address = CAN_ISOTP_DEFAULT_EXT_ADDRESS; in isotp_init()
1576 so->opt.rxpad_content = CAN_ISOTP_DEFAULT_PAD_CONTENT; in isotp_init()
1577 so->opt.txpad_content = CAN_ISOTP_DEFAULT_PAD_CONTENT; in isotp_init()
1578 so->opt.frame_txtime = CAN_ISOTP_DEFAULT_FRAME_TXTIME; in isotp_init()
1579 so->frame_txtime = CAN_ISOTP_DEFAULT_FRAME_TXTIME; in isotp_init()
1580 so->rxfc.bs = CAN_ISOTP_DEFAULT_RECV_BS; in isotp_init()
1581 so->rxfc.stmin = CAN_ISOTP_DEFAULT_RECV_STMIN; in isotp_init()
1582 so->rxfc.wftmax = CAN_ISOTP_DEFAULT_RECV_WFTMAX; in isotp_init()
1583 so->ll.mtu = CAN_ISOTP_DEFAULT_LL_MTU; in isotp_init()
1584 so->ll.tx_dl = CAN_ISOTP_DEFAULT_LL_TX_DL; in isotp_init()
1585 so->ll.tx_flags = CAN_ISOTP_DEFAULT_LL_TX_FLAGS; in isotp_init()
1588 so->tx.ll_dl = so->ll.tx_dl; in isotp_init()
1590 so->rx.state = ISOTP_IDLE; in isotp_init()
1591 so->tx.state = ISOTP_IDLE; in isotp_init()
1593 hrtimer_init(&so->rxtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT); in isotp_init()
1594 so->rxtimer.function = isotp_rx_timer_handler; in isotp_init()
1595 hrtimer_init(&so->txtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT); in isotp_init()
1596 so->txtimer.function = isotp_tx_timer_handler; in isotp_init()
1597 hrtimer_init(&so->txfrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT); in isotp_init()
1598 so->txfrtimer.function = isotp_txfr_timer_handler; in isotp_init()
1600 init_waitqueue_head(&so->wait); in isotp_init()
1601 spin_lock_init(&so->rx_lock); in isotp_init()
1604 list_add_tail(&so->notifier, &isotp_notifier_list); in isotp_init()
1613 struct isotp_sock *so = isotp_sk(sk); in isotp_poll() local
1616 poll_wait(file, &so->wait, wait); in isotp_poll()
1619 if ((mask & EPOLLWRNORM) && (so->tx.state != ISOTP_IDLE)) in isotp_poll()