Lines Matching refs:np
65 #define np_info(np, fmt, ...) \ argument
66 pr_info("%s: " fmt, np->name, ##__VA_ARGS__)
67 #define np_err(np, fmt, ...) \ argument
68 pr_err("%s: " fmt, np->name, ##__VA_ARGS__)
69 #define np_notice(np, fmt, ...) \ argument
70 pr_notice("%s: " fmt, np->name, ##__VA_ARGS__)
269 static struct sk_buff *find_skb(struct netpoll *np, int len, int reserve) in find_skb() argument
284 netpoll_poll_dev(np->dev); in find_skb()
307 void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, in netpoll_send_skb_on_dev() argument
317 npinfo = rcu_dereference_bh(np->dev->npinfo); in netpoll_send_skb_on_dev()
344 netpoll_poll_dev(np->dev); in netpoll_send_skb_on_dev()
362 void netpoll_send_udp(struct netpoll *np, const char *msg, int len) in netpoll_send_udp() argument
375 if (np->ipv6) in netpoll_send_udp()
380 total_len = ip_len + LL_RESERVED_SPACE(np->dev); in netpoll_send_udp()
382 skb = find_skb(np, total_len + np->dev->needed_tailroom, in netpoll_send_udp()
393 udph->source = htons(np->local_port); in netpoll_send_udp()
394 udph->dest = htons(np->remote_port); in netpoll_send_udp()
397 if (np->ipv6) { in netpoll_send_udp()
399 udph->check = csum_ipv6_magic(&np->local_ip.in6, in netpoll_send_udp()
400 &np->remote_ip.in6, in netpoll_send_udp()
419 ip6h->saddr = np->local_ip.in6; in netpoll_send_udp()
420 ip6h->daddr = np->remote_ip.in6; in netpoll_send_udp()
427 udph->check = csum_tcpudp_magic(np->local_ip.ip, in netpoll_send_udp()
428 np->remote_ip.ip, in netpoll_send_udp()
447 put_unaligned(np->local_ip.ip, &(iph->saddr)); in netpoll_send_udp()
448 put_unaligned(np->remote_ip.ip, &(iph->daddr)); in netpoll_send_udp()
456 ether_addr_copy(eth->h_source, np->dev->dev_addr); in netpoll_send_udp()
457 ether_addr_copy(eth->h_dest, np->remote_mac); in netpoll_send_udp()
459 skb->dev = np->dev; in netpoll_send_udp()
461 netpoll_send_skb(np, skb); in netpoll_send_udp()
465 void netpoll_print_options(struct netpoll *np) in netpoll_print_options() argument
467 np_info(np, "local port %d\n", np->local_port); in netpoll_print_options()
468 if (np->ipv6) in netpoll_print_options()
469 np_info(np, "local IPv6 address %pI6c\n", &np->local_ip.in6); in netpoll_print_options()
471 np_info(np, "local IPv4 address %pI4\n", &np->local_ip.ip); in netpoll_print_options()
472 np_info(np, "interface '%s'\n", np->dev_name); in netpoll_print_options()
473 np_info(np, "remote port %d\n", np->remote_port); in netpoll_print_options()
474 if (np->ipv6) in netpoll_print_options()
475 np_info(np, "remote IPv6 address %pI6c\n", &np->remote_ip.in6); in netpoll_print_options()
477 np_info(np, "remote IPv4 address %pI4\n", &np->remote_ip.ip); in netpoll_print_options()
478 np_info(np, "remote ethernet address %pM\n", np->remote_mac); in netpoll_print_options()
502 int netpoll_parse_options(struct netpoll *np, char *opt) in netpoll_parse_options() argument
512 if (kstrtou16(cur, 10, &np->local_port)) in netpoll_parse_options()
523 ipv6 = netpoll_parse_ip_addr(cur, &np->local_ip); in netpoll_parse_options()
527 np->ipv6 = (bool)ipv6; in netpoll_parse_options()
537 strlcpy(np->dev_name, cur, sizeof(np->dev_name)); in netpoll_parse_options()
548 np_info(np, "warning: whitespace is not allowed\n"); in netpoll_parse_options()
549 if (kstrtou16(cur, 10, &np->remote_port)) in netpoll_parse_options()
559 ipv6 = netpoll_parse_ip_addr(cur, &np->remote_ip); in netpoll_parse_options()
562 else if (ipversion_set && np->ipv6 != (bool)ipv6) in netpoll_parse_options()
565 np->ipv6 = (bool)ipv6; in netpoll_parse_options()
570 if (!mac_pton(cur, np->remote_mac)) in netpoll_parse_options()
574 netpoll_print_options(np); in netpoll_parse_options()
579 np_info(np, "couldn't parse config at '%s'!\n", cur); in netpoll_parse_options()
584 int __netpoll_setup(struct netpoll *np, struct net_device *ndev) in __netpoll_setup() argument
590 np->dev = ndev; in __netpoll_setup()
591 strlcpy(np->dev_name, ndev->name, IFNAMSIZ); in __netpoll_setup()
594 np_err(np, "%s doesn't support polling, aborting\n", in __netpoll_setup()
595 np->dev_name); in __netpoll_setup()
613 ops = np->dev->netdev_ops; in __netpoll_setup()
624 npinfo->netpoll = np; in __netpoll_setup()
638 int netpoll_setup(struct netpoll *np) in netpoll_setup() argument
645 if (np->dev_name[0]) { in netpoll_setup()
647 ndev = __dev_get_by_name(net, np->dev_name); in netpoll_setup()
650 np_err(np, "%s doesn't exist, aborting\n", np->dev_name); in netpoll_setup()
657 np_err(np, "%s is a slave device, aborting\n", np->dev_name); in netpoll_setup()
665 np_info(np, "device %s not up yet, forcing it\n", np->dev_name); in netpoll_setup()
670 np_err(np, "failed to open %s\n", ndev->name); in netpoll_setup()
679 np_notice(np, "timeout waiting for carrier\n"); in netpoll_setup()
691 np_notice(np, "carrier detect appears untrustworthy, waiting 4 seconds\n"); in netpoll_setup()
697 if (!np->local_ip.ip) { in netpoll_setup()
698 if (!np->ipv6) { in netpoll_setup()
708 np_err(np, "no IP address for %s, aborting\n", in netpoll_setup()
709 np->dev_name); in netpoll_setup()
714 np->local_ip.ip = ifa->ifa_local; in netpoll_setup()
715 np_info(np, "local IP %pI4\n", &np->local_ip.ip); in netpoll_setup()
728 !!(ipv6_addr_type(&np->remote_ip.in6) & IPV6_ADDR_LINKLOCAL)) in netpoll_setup()
730 np->local_ip.in6 = ifp->addr; in netpoll_setup()
737 np_err(np, "no IPv6 address for %s, aborting\n", in netpoll_setup()
738 np->dev_name); in netpoll_setup()
741 np_info(np, "local IPv6 %pI6c\n", &np->local_ip.in6); in netpoll_setup()
743 np_err(np, "IPv6 is not supported %s, aborting\n", in netpoll_setup()
744 np->dev_name); in netpoll_setup()
754 err = __netpoll_setup(np, ndev); in netpoll_setup()
793 void __netpoll_cleanup(struct netpoll *np) in __netpoll_cleanup() argument
797 npinfo = rtnl_dereference(np->dev->npinfo); in __netpoll_cleanup()
806 ops = np->dev->netdev_ops; in __netpoll_cleanup()
808 ops->ndo_netpoll_cleanup(np->dev); in __netpoll_cleanup()
810 RCU_INIT_POINTER(np->dev->npinfo, NULL); in __netpoll_cleanup()
813 RCU_INIT_POINTER(np->dev->npinfo, NULL); in __netpoll_cleanup()
817 void __netpoll_free(struct netpoll *np) in __netpoll_free() argument
823 __netpoll_cleanup(np); in __netpoll_free()
824 kfree(np); in __netpoll_free()
828 void netpoll_cleanup(struct netpoll *np) in netpoll_cleanup() argument
831 if (!np->dev) in netpoll_cleanup()
833 __netpoll_cleanup(np); in netpoll_cleanup()
834 dev_put(np->dev); in netpoll_cleanup()
835 np->dev = NULL; in netpoll_cleanup()