cregit-Linux how code gets into the kernel

Release 4.15 net/sctp/ipv6.c

Directory: net/sctp
/* SCTP kernel implementation
 * (C) Copyright IBM Corp. 2002, 2004
 * Copyright (c) 2001 Nokia, Inc.
 * Copyright (c) 2001 La Monte H.P. Yarroll
 * Copyright (c) 2002-2003 Intel Corp.
 *
 * This file is part of the SCTP kernel implementation
 *
 * SCTP over IPv6.
 *
 * This SCTP implementation is free software;
 * you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This SCTP implementation 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU CC; see the file COPYING.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Please send any bug reports or fixes you make to the
 * email address(es):
 *    lksctp developers <linux-sctp@vger.kernel.org>
 *
 * Written or modified by:
 *    Le Yanqun             <yanqun.le@nokia.com>
 *    Hui Huang             <hui.huang@nokia.com>
 *    La Monte H.P. Yarroll <piggy@acm.org>
 *    Sridhar Samudrala     <sri@us.ibm.com>
 *    Jon Grimm             <jgrimm@us.ibm.com>
 *    Ardelle Fan           <ardelle.fan@intel.com>
 *
 * Based on:
 *      linux/net/ipv6/tcp_ipv6.c
 */


#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/net.h>
#include <linux/in.h>
#include <linux/in6.h>
#include <linux/netdevice.h>
#include <linux/init.h>
#include <linux/ipsec.h>
#include <linux/slab.h>

#include <linux/ipv6.h>
#include <linux/icmpv6.h>
#include <linux/random.h>
#include <linux/seq_file.h>

#include <net/protocol.h>
#include <net/ndisc.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <net/transp_v6.h>
#include <net/addrconf.h>
#include <net/ip6_route.h>
#include <net/inet_common.h>
#include <net/inet_ecn.h>
#include <net/sctp/sctp.h>

#include <linux/uaccess.h>

static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
					 union sctp_addr *s2);
static void sctp_v6_to_addr(union sctp_addr *addr, struct in6_addr *saddr,
			      __be16 port);
static int sctp_v6_cmp_addr(const union sctp_addr *addr1,
			    const union sctp_addr *addr2);

/* Event handler for inet6 address addition/deletion events.
 * The sctp_local_addr_list needs to be protocted by a spin lock since
 * multiple notifiers (say IPv4 and IPv6) may be running at the same
 * time and thus corrupt the list.
 * The reader side is protected with RCU.
 */

static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev, void *ptr) { struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; struct sctp_sockaddr_entry *addr = NULL; struct sctp_sockaddr_entry *temp; struct net *net = dev_net(ifa->idev->dev); int found = 0; switch (ev) { case NETDEV_UP: addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC); if (addr) { addr->a.v6.sin6_family = AF_INET6; addr->a.v6.sin6_port = 0; addr->a.v6.sin6_addr = ifa->addr; addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex; addr->valid = 1; spin_lock_bh(&net->sctp.local_addr_lock); list_add_tail_rcu(&addr->list, &net->sctp.local_addr_list); sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_NEW); spin_unlock_bh(&net->sctp.local_addr_lock); } break; case NETDEV_DOWN: spin_lock_bh(&net->sctp.local_addr_lock); list_for_each_entry_safe(addr, temp, &net->sctp.local_addr_list, list) { if (addr->a.sa.sa_family == AF_INET6 && ipv6_addr_equal(&addr->a.v6.sin6_addr, &ifa->addr)) { sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_DEL); found = 1; addr->valid = 0; list_del_rcu(&addr->list); break; } } spin_unlock_bh(&net->sctp.local_addr_lock); if (found) kfree_rcu(addr, rcu); break; } return NOTIFY_DONE; }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala16555.37%111.11%
Vladislav Yasevich5117.11%111.11%
Eric W. Biedermann4414.77%111.11%
Michio Honda144.70%111.11%
Pavel Emelyanov103.36%111.11%
Chidambar 'ilLogict' Zinnoury103.36%111.11%
Lai Jiangshan20.67%111.11%
Alexey Dobriyan10.34%111.11%
Adrian Bunk10.34%111.11%
Total298100.00%9100.00%

static struct notifier_block sctp_inet6addr_notifier = { .notifier_call = sctp_inet6addr_event, }; /* ICMP error handler. */
static void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, u8 type, u8 code, int offset, __be32 info) { struct inet6_dev *idev; struct sock *sk; struct sctp_association *asoc; struct sctp_transport *transport; struct ipv6_pinfo *np; __u16 saveip, savesctp; int err; struct net *net = dev_net(skb->dev); idev = in6_dev_get(skb->dev); /* Fix up skb to look at the embedded net header. */ saveip = skb->network_header; savesctp = skb->transport_header; skb_reset_network_header(skb); skb_set_transport_header(skb, offset); sk = sctp_err_lookup(net, AF_INET6, skb, sctp_hdr(skb), &asoc, &transport); /* Put back, the original pointers. */ skb->network_header = saveip; skb->transport_header = savesctp; if (!sk) { __ICMP6_INC_STATS(net, idev, ICMP6_MIB_INERRORS); goto out; } /* Warning: The sock lock is held. Remember to call * sctp_err_finish! */ switch (type) { case ICMPV6_PKT_TOOBIG: if (ip6_sk_accept_pmtu(sk)) sctp_icmp_frag_needed(sk, asoc, transport, ntohl(info)); goto out_unlock; case ICMPV6_PARAMPROB: if (ICMPV6_UNK_NEXTHDR == code) { sctp_icmp_proto_unreachable(sk, asoc, transport); goto out_unlock; } break; case NDISC_REDIRECT: sctp_icmp_redirect(sk, transport, skb); goto out_unlock; default: break; } np = inet6_sk(sk); icmpv6_err_convert(type, code, &err); if (!sock_owned_by_user(sk) && np->recverr) { sk->sk_err = err; sk->sk_error_report(sk); } else { /* Only an error on timeout */ sk->sk_err_soft = err; } out_unlock: sctp_err_finish(sk, transport); out: if (likely(idev != NULL)) in6_dev_put(idev); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm19160.63%313.64%
David S. Miller4714.92%29.09%
Sridhar Samudrala247.62%14.55%
Arnaldo Carvalho de Melo196.03%418.18%
Eric W. Biedermann154.76%29.09%
Hannes Frederic Sowa72.22%14.55%
Daniel Borkmann41.27%29.09%
Brian Haley20.63%14.55%
Simon Horman10.32%14.55%
Denis V. Lunev10.32%14.55%
Xin Long10.32%14.55%
Hideaki Yoshifuji / 吉藤英明10.32%14.55%
Eric Dumazet10.32%14.55%
Al Viro10.32%14.55%
Total315100.00%22100.00%


static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport) { struct sock *sk = skb->sk; struct ipv6_pinfo *np = inet6_sk(sk); struct flowi6 *fl6 = &transport->fl.u.ip6; int res; pr_debug("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n", __func__, skb, skb->len, &fl6->saddr, &fl6->daddr); IP6_ECN_flow_xmit(sk, fl6->flowlabel); if (!(transport->param_flags & SPP_PMTUD_ENABLE)) skb->ignore_df = 1; SCTP_INC_STATS(sock_net(sk), SCTP_MIB_OUTSCTPPACKS); rcu_read_lock(); res = ip6_xmit(sk, skb, fl6, sk->sk_mark, rcu_dereference(np->opt), np->tclass); rcu_read_unlock(); return res; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm4933.56%211.76%
Daniel Borkmann2215.07%211.76%
Eric Dumazet2114.38%211.76%
Sridhar Samudrala1913.01%317.65%
Herbert Xu1610.96%15.88%
David S. Miller74.79%15.88%
Harvey Harrison42.74%317.65%
Pablo Neira Ayuso42.74%15.88%
Eric W. Biedermann32.05%15.88%
Américo Wang10.68%15.88%
Total146100.00%17100.00%

/* Returns the dst cache entry for the given source and destination ip * addresses. */
static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr, struct flowi *fl, struct sock *sk) { struct sctp_association *asoc = t->asoc; struct dst_entry *dst = NULL; struct flowi6 *fl6 = &fl->u.ip6; struct sctp_bind_addr *bp; struct ipv6_pinfo *np = inet6_sk(sk); struct sctp_sockaddr_entry *laddr; union sctp_addr *daddr = &t->ipaddr; union sctp_addr dst_saddr; struct in6_addr *final_p, final; enum sctp_scope scope; __u8 matchlen = 0; memset(fl6, 0, sizeof(struct flowi6)); fl6->daddr = daddr->v6.sin6_addr; fl6->fl6_dport = daddr->v6.sin6_port; fl6->flowi6_proto = IPPROTO_SCTP; if (ipv6_addr_type(&daddr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL) fl6->flowi6_oif = daddr->v6.sin6_scope_id; else if (asoc) fl6->flowi6_oif = asoc->base.sk->sk_bound_dev_if; pr_debug("%s: dst=%pI6 ", __func__, &fl6->daddr); if (asoc) fl6->fl6_sport = htons(asoc->base.bind_addr.port); if (saddr) { fl6->saddr = saddr->v6.sin6_addr; fl6->fl6_sport = saddr->v6.sin6_port; pr_debug("src=%pI6 - ", &fl6->saddr); } rcu_read_lock(); final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final); rcu_read_unlock(); dst = ip6_dst_lookup_flow(sk, fl6, final_p); if (!asoc || saddr) goto out; bp = &asoc->base.bind_addr; scope = sctp_scope(daddr); /* ip6_dst_lookup has filled in the fl6->saddr for us. Check * to see if we can use it. */ if (!IS_ERR(dst)) { /* Walk through the bind address list and look for a bind * address that matches the source address of the returned dst. */ sctp_v6_to_addr(&dst_saddr, &fl6->saddr, htons(bp->port)); rcu_read_lock(); list_for_each_entry_rcu(laddr, &bp->address_list, list) { if (!laddr->valid || laddr->state == SCTP_ADDR_DEL || (laddr->state != SCTP_ADDR_SRC && !asoc->src_out_of_asoc_ok)) continue; /* Do not compare against v4 addrs */ if ((laddr->a.sa.sa_family == AF_INET6) && (sctp_v6_cmp_addr(&dst_saddr, &laddr->a))) { rcu_read_unlock(); goto out; } } rcu_read_unlock(); /* None of the bound addresses match the source address of the * dst. So release it. */ dst_release(dst); dst = NULL; } /* Walk through the bind address list and try to get the * best source address for a given destination. */ rcu_read_lock(); list_for_each_entry_rcu(laddr, &bp->address_list, list) { struct dst_entry *bdst; __u8 bmatchlen; if (!laddr->valid || laddr->state != SCTP_ADDR_SRC || laddr->a.sa.sa_family != AF_INET6 || scope > sctp_scope(&laddr->a)) continue; fl6->saddr = laddr->a.v6.sin6_addr; fl6->fl6_sport = laddr->a.v6.sin6_port; final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final); bdst = ip6_dst_lookup_flow(sk, fl6, final_p); if (!IS_ERR(bdst) && ipv6_chk_addr(dev_net(bdst->dev), &laddr->a.v6.sin6_addr, bdst->dev, 1)) { if (!IS_ERR_OR_NULL(dst)) dst_release(dst); dst = bdst; break; } bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a); if (matchlen > bmatchlen) continue; if (!IS_ERR_OR_NULL(dst)) dst_release(dst); dst = bdst; matchlen = bmatchlen; } rcu_read_unlock(); out: if (!IS_ERR_OR_NULL(dst)) { struct rt6_info *rt; rt = (struct rt6_info *)dst; t->dst = dst; t->dst_cookie = rt6_get_cookie(rt); pr_debug("rt6_dst:%pI6/%d rt6_src:%pI6\n", &rt->rt6i_dst.addr, rt->rt6i_dst.plen, &fl6->saddr); } else { t->dst = NULL; pr_debug("no route\n"); } }

Contributors

PersonTokensPropCommitsCommitProp
Vladislav Yasevich18826.40%410.53%
Xin Long11916.71%25.26%
Sridhar Samudrala10214.33%410.53%
Weixing Shi709.83%12.63%
Daniel Borkmann699.69%410.53%
Jon Grimm648.99%410.53%
David S. Miller304.21%37.89%
Zheng Li172.39%12.63%
Eric Dumazet152.11%25.26%
Martin KaFai Lau101.40%25.26%
Harvey Harrison70.98%25.26%
Fan Du60.84%12.63%
Hideaki Yoshifuji / 吉藤英明50.70%37.89%
Alexey Dobriyan30.42%12.63%
Ville Nuorvala30.42%12.63%
Al Viro20.28%12.63%
Daniel Lezcano10.14%12.63%
Tommi Rantala10.14%12.63%
Total712100.00%38100.00%

/* Returns the number of consecutive initial bits that match in the 2 ipv6 * addresses. */
static inline int sctp_v6_addr_match_len(union sctp_addr *s1, union sctp_addr *s2) { return ipv6_addr_diff(&s1->v6.sin6_addr, &s2->v6.sin6_addr); }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala3188.57%266.67%
Hideaki Yoshifuji / 吉藤英明411.43%133.33%
Total35100.00%3100.00%

/* Fills in the source address(saddr) based on the destination address(daddr) * and asoc's bind address list. */
static void sctp_v6_get_saddr(struct sctp_sock *sk, struct sctp_transport *t, struct flowi *fl) { struct flowi6 *fl6 = &fl->u.ip6; union sctp_addr *saddr = &t->saddr; pr_debug("%s: asoc:%p dst:%p\n", __func__, t->asoc, t->dst); if (t->dst) { saddr->v6.sin6_family = AF_INET6; saddr->v6.sin6_addr = fl6->saddr; } }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala4452.38%220.00%
Vladislav Yasevich3035.71%220.00%
Hideaki Yoshifuji / 吉藤英明55.95%110.00%
Jon Grimm22.38%220.00%
Alexey Dobriyan11.19%110.00%
Daniel Borkmann11.19%110.00%
Harvey Harrison11.19%110.00%
Total84100.00%10100.00%

/* Make a copy of all potential local addresses. */
static void sctp_v6_copy_addrlist(struct list_head *addrlist, struct net_device *dev) { struct inet6_dev *in6_dev; struct inet6_ifaddr *ifp; struct sctp_sockaddr_entry *addr; rcu_read_lock(); if ((in6_dev = __in6_dev_get(dev)) == NULL) { rcu_read_unlock(); return; } read_lock_bh(&in6_dev->lock); list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { /* Add the address to the local list. */ addr = kzalloc(sizeof(*addr), GFP_ATOMIC); if (addr) { addr->a.v6.sin6_family = AF_INET6; addr->a.v6.sin6_port = 0; addr->a.v6.sin6_addr = ifp->addr; addr->a.v6.sin6_scope_id = dev->ifindex; addr->valid = 1; INIT_LIST_HEAD(&addr->list); list_add_tail(&addr->list, addrlist); } } read_unlock_bh(&in6_dev->lock); rcu_read_unlock(); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm13780.59%330.00%
Stephen Hemminger84.71%110.00%
Vladislav Yasevich63.53%110.00%
Daniel Borkmann63.53%110.00%
Hideaki Yoshifuji / 吉藤英明63.53%110.00%
Al Viro42.35%110.00%
Jarek Poplawski21.18%110.00%
Alexey Dobriyan10.59%110.00%
Total170100.00%10100.00%

/* Initialize a sockaddr_storage from in incoming skb. */
static void sctp_v6_from_skb(union sctp_addr *addr, struct sk_buff *skb, int is_saddr) { /* Always called on head skb, so this is safe */ struct sctphdr *sh = sctp_hdr(skb); struct sockaddr_in6 *sa = &addr->v6; addr->v6.sin6_family = AF_INET6; addr->v6.sin6_flowinfo = 0; /* FIXME */ addr->v6.sin6_scope_id = ((struct inet6_skb_parm *)skb->cb)->iif; if (is_saddr) { sa->sin6_port = sh->source; sa->sin6_addr = ipv6_hdr(skb)->saddr; } else { sa->sin6_port = sh->dest; sa->sin6_addr = ipv6_hdr(skb)->daddr; } }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm9375.61%240.00%
Marcelo Ricardo Leitner2016.26%120.00%
Arnaldo Carvalho de Melo64.88%120.00%
Alexey Dobriyan43.25%120.00%
Total123100.00%5100.00%

/* Initialize an sctp_addr from a socket. */
static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk) { addr->v6.sin6_family = AF_INET6; addr->v6.sin6_port = 0; addr->v6.sin6_addr = sk->sk_v6_rcv_saddr; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm3992.86%125.00%
Alexey Dobriyan12.38%125.00%
Eric Dumazet12.38%125.00%
Al Viro12.38%125.00%
Total42100.00%4100.00%

/* Initialize sk->sk_rcv_saddr from sctp_addr. */
static void sctp_v6_to_sk_saddr(union sctp_addr *addr, struct sock *sk) { if (addr->sa.sa_family == AF_INET) { sk->sk_v6_rcv_saddr.s6_addr32[0] = 0; sk->sk_v6_rcv_saddr.s6_addr32[1] = 0; sk->sk_v6_rcv_saddr.s6_addr32[2] = htonl(0x0000ffff); sk->sk_v6_rcv_saddr.s6_addr32[3] = addr->v4.sin_addr.s_addr; } else { sk->sk_v6_rcv_saddr = addr->v6.sin6_addr; } }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm8792.55%240.00%
Eric Dumazet55.32%120.00%
Sridhar Samudrala11.06%120.00%
Alexey Dobriyan11.06%120.00%
Total94100.00%5100.00%

/* Initialize sk->sk_daddr from sctp_addr. */
static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk) { if (addr->sa.sa_family == AF_INET) { sk->sk_v6_daddr.s6_addr32[0] = 0; sk->sk_v6_daddr.s6_addr32[1] = 0; sk->sk_v6_daddr.s6_addr32[2] = htonl(0x0000ffff); sk->sk_v6_daddr.s6_addr32[3] = addr->v4.sin_addr.s_addr; } else { sk->sk_v6_daddr = addr->v6.sin6_addr; } }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm6468.09%125.00%
Sridhar Samudrala2425.53%125.00%
Eric Dumazet55.32%125.00%
Alexey Dobriyan11.06%125.00%
Total94100.00%4100.00%

/* Initialize a sctp_addr from an address parameter. */
static void sctp_v6_from_addr_param(union sctp_addr *addr, union sctp_addr_param *param, __be16 port, int iif) { addr->v6.sin6_family = AF_INET6; addr->v6.sin6_port = port; addr->v6.sin6_flowinfo = 0; /* BUG */ addr->v6.sin6_addr = param->v6.addr; addr->v6.sin6_scope_id = iif; }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala6597.01%133.33%
Al Viro11.49%133.33%
Alexey Dobriyan11.49%133.33%
Total67100.00%3100.00%

/* Initialize an address parameter from a sctp_addr and return the length * of the address parameter. */
static int sctp_v6_to_addr_param(const union sctp_addr *addr, union sctp_addr_param *param) { int length = sizeof(struct sctp_ipv6addr_param); param->v6.param_hdr.type = SCTP_PARAM_IPV6_ADDRESS; param->v6.param_hdr.length = htons(length); param->v6.addr = addr->v6.sin6_addr; return length; }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala6093.75%125.00%
Xin Long23.12%125.00%
Al Viro11.56%125.00%
Alexey Dobriyan11.56%125.00%
Total64100.00%4100.00%

/* Initialize a sctp_addr from struct in6_addr. */
static void sctp_v6_to_addr(union sctp_addr *addr, struct in6_addr *saddr, __be16 port) { addr->sa.sa_family = AF_INET6; addr->v6.sin6_port = port; addr->v6.sin6_flowinfo = 0; addr->v6.sin6_addr = *saddr; addr->v6.sin6_scope_id = 0; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm2236.67%225.00%
Alexander Potapenko1626.67%112.50%
Sridhar Samudrala1525.00%225.00%
Vladislav Yasevich46.67%112.50%
Alexey Dobriyan23.33%112.50%
Al Viro11.67%112.50%
Total60100.00%8100.00%

/* Compare addresses exactly. * v4-mapped-v6 is also in consideration. */
static int sctp_v6_cmp_addr(const union sctp_addr *addr1, const union sctp_addr *addr2) { if (addr1->sa.sa_family != addr2->sa.sa_family) { if (addr1->sa.sa_family == AF_INET && addr2->sa.sa_family == AF_INET6 && ipv6_addr_v4mapped(&addr2->v6.sin6_addr)) { if (addr2->v6.sin6_port == addr1->v4.sin_port && addr2->v6.sin6_addr.s6_addr32[3] == addr1->v4.sin_addr.s_addr) return 1; } if (addr2->sa.sa_family == AF_INET && addr1->sa.sa_family == AF_INET6 && ipv6_addr_v4mapped(&addr1->v6.sin6_addr)) { if (addr1->v6.sin6_port == addr2->v4.sin_port && addr1->v6.sin6_addr.s6_addr32[3] == addr2->v4.sin_addr.s_addr) return 1; } return 0; } if (addr1->v6.sin6_port != addr2->v6.sin6_port) return 0; if (!ipv6_addr_equal(&addr1->v6.sin6_addr, &addr2->v6.sin6_addr)) return 0; /* If this is a linklocal address, compare the scope_id. */ if (ipv6_addr_type(&addr1->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL) { if (addr1->v6.sin6_scope_id && addr2->v6.sin6_scope_id && (addr1->v6.sin6_scope_id != addr2->v6.sin6_scope_id)) { return 0; } } return 1; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm23489.31%450.00%
Xin Long176.49%112.50%
Sridhar Samudrala72.67%112.50%
Brian Haley20.76%112.50%
Hideaki Yoshifuji / 吉藤英明20.76%112.50%
Total262100.00%8100.00%

/* Initialize addr struct to INADDR_ANY. */
static void sctp_v6_inaddr_any(union sctp_addr *addr, __be16 port) { memset(addr, 0x00, sizeof(union sctp_addr)); addr->v6.sin6_family = AF_INET6; addr->v6.sin6_port = port; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm4297.67%266.67%
Al Viro12.33%133.33%
Total43100.00%3100.00%

/* Is this a wildcard address? */
static int sctp_v6_is_any(const union sctp_addr *addr) { return ipv6_addr_any(&addr->v6.sin6_addr); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm2191.30%150.00%
Brian Haley28.70%150.00%
Total23100.00%2100.00%

/* Should this be available for binding? */
static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp) { int type; struct net *net = sock_net(&sp->inet.sk); const struct in6_addr *in6 = (const struct in6_addr *)&addr->v6.sin6_addr; type = ipv6_addr_type(in6); if (IPV6_ADDR_ANY == type) return 1; if (type == IPV6_ADDR_MAPPED) { if (sp && ipv6_only_sock(sctp_opt2sk(sp))) return 0; sctp_v6_map_v4(addr); return sctp_get_af_specific(AF_INET)->available(addr, sp); } if (!(type & IPV6_ADDR_UNICAST)) return 0; return sp->inet.freebind || net->ipv6.sysctl.ip_nonlocal_bind || ipv6_chk_addr(net, in6, NULL, 0); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm9966.89%222.22%
Xin Long2818.92%111.11%
Sridhar Samudrala117.43%111.11%
Eric W. Biedermann42.70%111.11%
Eric Dumazet21.35%111.11%
Ville Nuorvala21.35%111.11%
Arnaldo Carvalho de Melo10.68%111.11%
Daniel Lezcano10.68%111.11%
Total148100.00%9100.00%

/* This function checks if the address is a valid address to be used for * SCTP. * * Output: * Return 0 - If the address is a non-unicast or an illegal address. * Return 1 - If the address is a unicast. */
static int sctp_v6_addr_valid(union sctp_addr *addr, struct sctp_sock *sp, const struct sk_buff *skb) { int ret = ipv6_addr_type(&addr->v6.sin6_addr); /* Support v4-mapped-v6 address. */ if (ret == IPV6_ADDR_MAPPED) { /* Note: This routine is used in input, so v4-mapped-v6 * are disallowed here when there is no sctp_sock. */ if (sp && ipv6_only_sock(sctp_opt2sk(sp))) return 0; sctp_v6_map_v4(addr); return sctp_get_af_specific(AF_INET)->addr_valid(addr, sp, skb); } /* Is this a non-unicast address */ if (!(ret & IPV6_ADDR_UNICAST)) return 0; return 1; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm7376.04%350.00%
Sridhar Samudrala1313.54%116.67%
Vladislav Yasevich88.33%116.67%
Arnaldo Carvalho de Melo22.08%116.67%
Total96100.00%6100.00%

/* What is the scope of 'addr'? */
static enum sctp_scope sctp_v6_scope(union sctp_addr *addr) { enum sctp_scope retval; int v6scope; /* The IPv6 scope is really a set of bit fields. * See IFA_* in <net/if_inet6.h>. Map to a generic SCTP scope. */ v6scope = ipv6_addr_scope(&addr->v6.sin6_addr); switch (v6scope) { case IFA_HOST: retval = SCTP_SCOPE_LOOPBACK; break; case IFA_LINK: retval = SCTP_SCOPE_LINK; break; case IFA_SITE: retval = SCTP_SCOPE_PRIVATE; break; default: retval = SCTP_SCOPE_GLOBAL; break; } return retval; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm6591.55%150.00%
Xin Long68.45%150.00%
Total71100.00%2100.00%

/* Create and initialize a new sk for the socket to be returned by accept(). */
static struct sock *sctp_v6_create_accept_sk(struct sock *sk, struct sctp_association *asoc, bool kern) { struct sock *newsk; struct ipv6_pinfo *newnp, *np = inet6_sk(sk); struct sctp6_sock *newsctp6sk; struct ipv6_txoptions *opt; newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, kern); if (!newsk) goto out; sock_init_data(NULL, newsk); sctp_copy_sock(newsk, sk, asoc); sock_reset_flag(sk, SOCK_ZAPPED); newsctp6sk = (struct sctp6_sock *)newsk; inet_sk(newsk)->pinet6 = &newsctp6sk->inet6; sctp_sk(newsk)->v4mapped = sctp_sk(sk)->v4mapped; newnp = inet6_sk(newsk); memcpy(newnp, np, sizeof(struct ipv6_pinfo)); newnp->ipv6_mc_list = NULL; newnp->ipv6_ac_list = NULL; newnp->ipv6_fl_list = NULL; rcu_read_lock(); opt = rcu_dereference(np->opt); if (opt) opt = ipv6_dup_options(newsk, opt); RCU_INIT_POINTER(newnp->opt, opt); rcu_read_unlock(); /* Initialize sk's sport, dport, rcv_saddr and daddr for getsockname() * and getpeername(). */ sctp_v6_to_sk_daddr(&asoc->peer.primary_addr, newsk); newsk->sk_v6_rcv_saddr = sk->sk_v6_rcv_saddr; sk_refcnt_debug_inc(newsk); if (newsk->sk_prot->init(newsk)) { sk_common_release(newsk); newsk = NULL; } out: return newsk; }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala14153.61%420.00%
Eric Dumazet6022.81%210.00%
Dave Johnson145.32%15.00%
Arnaldo Carvalho de Melo114.18%525.00%
Matija Glavinic Pecotic83.04%15.00%
Thomas Graf72.66%15.00%
Vladislav Yasevich62.28%15.00%
Jon Grimm62.28%15.00%
David Howells41.52%15.00%
Eric W. Biedermann31.14%210.00%
Hideaki Yoshifuji / 吉藤英明31.14%15.00%
Total263100.00%20100.00%

/* Format a sockaddr for return to user space. This makes sure the return is * AF_INET or AF_INET6 depending on the SCTP_I_WANT_MAPPED_V4_ADDR option. */
static int sctp_v6_addr_to_user(struct sctp_sock *sp, union sctp_addr *addr) { if (sp->v4mapped) { if (addr->sa.sa_family == AF_INET) sctp_v4_map_v6(addr); } else { if (addr->sa.sa_family == AF_INET6 && ipv6_addr_v4mapped(&addr->v6.sin6_addr)) sctp_v6_map_v4(addr); } if (addr->sa.sa_family == AF_INET) return sizeof(struct sockaddr_in); return sizeof(struct sockaddr_in6); }

Contributors

PersonTokensPropCommitsCommitProp
Jason Gunthorpe6167.03%133.33%
Jon Grimm2931.87%133.33%
Arnaldo Carvalho de Melo11.10%133.33%
Total91100.00%3100.00%

/* Where did this skb come from? */
static int sctp_v6_skb_iif(const struct sk_buff *skb) { return IP6CB(skb)->iif; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm1680.00%150.00%
Marcelo Ricardo Leitner420.00%150.00%
Total20100.00%2100.00%

/* Was this packet marked by Explicit Congestion Notification? */
static int sctp_v6_is_ce(const struct sk_buff *skb) { return *((__u32 *)(ipv6_hdr(skb))) & (__force __u32)htonl(1 << 20); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm3181.58%133.33%
Xin Long410.53%133.33%
Arnaldo Carvalho de Melo37.89%133.33%
Total38100.00%3100.00%

/* Dump the v6 addr to the seq file. */
static void sctp_v6_seq_dump_addr(struct seq_file *seq, union sctp_addr *addr) { seq_printf(seq, "%pI6 ", &addr->v6.sin6_addr); }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala2893.33%133.33%
Harvey Harrison26.67%266.67%
Total30100.00%3100.00%


static void sctp_v6_ecn_capable(struct sock *sk) { inet6_sk(sk)->tclass |= INET_ECN_ECT_0; }

Contributors

PersonTokensPropCommitsCommitProp
Vladislav Yasevich20100.00%1100.00%
Total20100.00%1100.00%

/* Initialize a PF_INET msgname from a ulpevent. */
static void sctp_inet6_event_msgname(struct sctp_ulpevent *event, char *msgname, int *addrlen) { union sctp_addr *addr; struct sctp_association *asoc; union sctp_addr *paddr; if (!msgname) return; addr = (union sctp_addr *)msgname; asoc = event->asoc; paddr = &asoc->peer.primary_addr; if (paddr->sa.sa_family == AF_INET) { addr->v4.sin_family = AF_INET; addr->v4.sin_port = htons(asoc->peer.port); addr->v4.sin_addr = paddr->v4.sin_addr; } else { addr->v6.sin6_family = AF_INET6; addr->v6.sin6_flowinfo = 0; if (ipv6_addr_type(&paddr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL) addr->v6.sin6_scope_id = paddr->v6.sin6_scope_id; else addr->v6.sin6_scope_id = 0; addr->v6.sin6_port = htons(asoc->peer.port); addr->v6.sin6_addr = paddr->v6.sin6_addr; } *addrlen = sctp_v6_addr_to_user(sctp_sk(asoc->base.sk), addr); }

Contributors

PersonTokensPropCommitsCommitProp
Jason Gunthorpe11956.94%112.50%
Jon Grimm8440.19%562.50%
Sridhar Samudrala52.39%112.50%
Alexey Dobriyan10.48%112.50%
Total209100.00%8100.00%

/* Initialize a msg_name from an inbound skb. */
static void sctp_inet6_skb_msgname(struct sk_buff *skb, char *msgname, int *addr_len) { union sctp_addr *addr; struct sctphdr *sh; if (!msgname) return; addr = (union sctp_addr *)msgname; sh = sctp_hdr(skb); if (ip_hdr(skb)->version == 4) { addr->v4.sin_family = AF_INET; addr->v4.sin_port = sh->source; addr->v4.sin_addr.s_addr = ip_hdr(skb)->saddr; } else { addr->v6.sin6_family = AF_INET6; addr->v6.sin6_flowinfo = 0; addr->v6.sin6_port = sh->source; addr->v6.sin6_addr = ipv6_hdr(skb)->saddr; if (ipv6_addr_type(&addr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL) addr->v6.sin6_scope_id = sctp_v6_skb_iif(skb); else addr->v6.sin6_scope_id = 0; } *addr_len = sctp_v6_addr_to_user(sctp_sk(skb->sk), addr); }

Contributors

PersonTokensPropCommitsCommitProp
Jason Gunthorpe8444.68%111.11%
Jon Grimm7841.49%222.22%
Arnaldo Carvalho de Melo126.38%333.33%
Eric W. Biedermann94.79%111.11%
Marcelo Ricardo Leitner42.13%111.11%
Alexey Dobriyan10.53%111.11%
Total188100.00%9100.00%

/* Do we support this AF? */
static int sctp_inet6_af_supported(sa_family_t family, struct sctp_sock *sp) { switch (family) { case AF_INET6: return 1; /* v4-mapped-v6 addresses */ case AF_INET: if (!__ipv6_only_sock(sctp_opt2sk(sp))) return 1; /* fallthru */ default: return 0; } }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm3979.59%240.00%
Sridhar Samudrala816.33%120.00%
Marcelo Ricardo Leitner12.04%120.00%
Arnaldo Carvalho de Melo12.04%120.00%
Total49100.00%5100.00%

/* Address matching with wildcards allowed. This extra level * of indirection lets us choose whether a PF_INET6 should * disallow any v4 addresses if we so choose. */
static int sctp_inet6_cmp_addr(const union sctp_addr *addr1, const union sctp_addr *addr2, struct sctp_sock *opt) { struct sctp_af *af1, *af2; struct sock *sk = sctp_opt2sk(opt); af1 = sctp_get_af_specific(addr1->sa.sa_family); af2 = sctp_get_af_specific(addr2->sa.sa_family); if (!af1 || !af2) return 0; /* If the socket is IPv6 only, v4 addrs will not match */ if (__ipv6_only_sock(sk) && af1 != af2) return 0; /* Today, wildcard AF_INET/AF_INET6. */ if (sctp_is_any(sk, addr1) || sctp_is_any(sk, addr2)) return 1; if (addr1->sa.sa_family != addr2->sa.sa_family) return 0; return af1->cmp_addr(addr1, addr2); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm10677.94%240.00%
Vladislav Yasevich2921.32%240.00%
Arnaldo Carvalho de Melo10.74%120.00%
Total136100.00%5100.00%

/* Verify that the provided sockaddr looks bindable. Common verification, * has already been taken care of. */
static int sctp_inet6_bind_verify(struct sctp_sock *opt, union sctp_addr *addr) { struct sctp_af *af; /* ASSERT: address family has already been verified. */ if (addr->sa.sa_family != AF_INET6) af = sctp_get_af_specific(addr->sa.sa_family); else { int type = ipv6_addr_type(&addr->v6.sin6_addr); struct net_device *dev; if (type & IPV6_ADDR_LINKLOCAL) { struct net *net; if (!addr->v6.sin6_scope_id) return 0; net = sock_net(&opt->inet.sk); rcu_read_lock(); dev = dev_get_by_index_rcu(net, addr->v6.sin6_scope_id); if (!dev || !(opt->inet.freebind || net->ipv6.sysctl.ip_nonlocal_bind || ipv6_chk_addr(net, &addr->v6.sin6_addr, dev, 0))) { rcu_read_unlock(); return 0; } rcu_read_unlock(); } af = opt->pf->af; } return af->available(addr, opt); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm10255.43%327.27%
Eric W. Biedermann2010.87%218.18%
Vladislav Yasevich2010.87%19.09%
Laszlo Toth168.70%19.09%
Sridhar Samudrala147.61%19.09%
Eric Dumazet94.89%19.09%
Daniel Lezcano21.09%19.09%
Arnaldo Carvalho de Melo10.54%19.09%
Total184100.00%11100.00%

/* Verify that the provided sockaddr looks sendable. Common verification, * has already been taken care of. */
static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr) { struct sctp_af *af = NULL; /* ASSERT: address family has already been verified. */ if (addr->sa.sa_family != AF_INET6) af = sctp_get_af_specific(addr->sa.sa_family); else { int type = ipv6_addr_type(&addr->v6.sin6_addr); struct net_device *dev; if (type & IPV6_ADDR_LINKLOCAL) { if (!addr->v6.sin6_scope_id) return 0; rcu_read_lock(); dev = dev_get_by_index_rcu(sock_net(&opt->inet.sk), addr->v6.sin6_scope_id); rcu_read_unlock(); if (!dev) return 0; } af = opt->pf->af; } return af != NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm10376.87%116.67%
Sridhar Samudrala139.70%116.67%
Eric W. Biedermann107.46%233.33%
Eric Dumazet75.22%116.67%
Arnaldo Carvalho de Melo10.75%116.67%
Total134100.00%6100.00%

/* Fill in Supported Address Type information for INIT and INIT-ACK * chunks. Note: In the future, we may want to look at sock options * to determine whether a PF_INET6 socket really wants to have IPV4 * addresses. * Returns number of addresses supported. */
static int sctp_inet6_supported_addrs(const struct sctp_sock *opt, __be16 *types) { types[0] = SCTP_PARAM_IPV6_ADDRESS; if (!opt || !ipv6_only_sock(sctp_opt2sk(opt))) { types[1] = SCTP_PARAM_IPV4_ADDRESS; return 2; } return 1; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm2955.77%125.00%
Vladislav Yasevich2140.38%125.00%
Al Viro11.92%125.00%
Arnaldo Carvalho de Melo11.92%125.00%
Total52100.00%4100.00%

/* Handle SCTP_I_WANT_MAPPED_V4_ADDR for getpeername() and getsockname() */
static int sctp_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len, int peer) { int rc; rc = inet6_getname(sock, uaddr, uaddr_len, peer); if (rc != 0) return rc; *uaddr_len = sctp_v6_addr_to_user(sctp_sk(sock->sk), (union sctp_addr *)uaddr); return rc; }

Contributors

PersonTokensPropCommitsCommitProp
Jason Gunthorpe71100.00%1100.00%
Total71100.00%1100.00%

static const struct proto_ops inet6_seqpacket_ops = { .family = PF_INET6, .owner = THIS_MODULE, .release = inet6_release, .bind = inet6_bind, .connect = inet_dgram_connect, .socketpair = sock_no_socketpair, .accept = inet_accept, .getname = sctp_getname, .poll = sctp_poll, .ioctl = inet6_ioctl, .listen = sctp_inet_listen, .shutdown = inet_shutdown, .setsockopt = sock_common_setsockopt, .getsockopt = sock_common_getsockopt, .sendmsg = inet_sendmsg, .recvmsg = inet_recvmsg, .mmap = sock_no_mmap, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, #endif }; static struct inet_protosw sctpv6_seqpacket_protosw = { .type = SOCK_SEQPACKET, .protocol = IPPROTO_SCTP, .prot = &sctpv6_prot, .ops = &inet6_seqpacket_ops, .flags = SCTP_PROTOSW_FLAG }; static struct inet_protosw sctpv6_stream_protosw = { .type = SOCK_STREAM, .protocol = IPPROTO_SCTP, .prot = &sctpv6_prot, .ops = &inet6_seqpacket_ops, .flags = SCTP_PROTOSW_FLAG, };
static int sctp6_rcv(struct sk_buff *skb) { return sctp_rcv(skb) ? -1 : 0; }

Contributors

PersonTokensPropCommitsCommitProp
David S. Miller1568.18%133.33%
Jon Grimm522.73%133.33%
Herbert Xu29.09%133.33%
Total22100.00%3100.00%

static const struct inet6_protocol sctpv6_protocol = { .handler = sctp6_rcv, .err_handler = sctp_v6_err, .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL, }; static struct sctp_af sctp_af_inet6 = { .sa_family = AF_INET6, .sctp_xmit = sctp_v6_xmit, .setsockopt = ipv6_setsockopt, .getsockopt = ipv6_getsockopt, .get_dst = sctp_v6_get_dst, .get_saddr = sctp_v6_get_saddr, .copy_addrlist = sctp_v6_copy_addrlist, .from_skb = sctp_v6_from_skb, .from_sk = sctp_v6_from_sk, .from_addr_param = sctp_v6_from_addr_param, .to_addr_param = sctp_v6_to_addr_param, .cmp_addr = sctp_v6_cmp_addr, .scope = sctp_v6_scope, .addr_valid = sctp_v6_addr_valid, .inaddr_any = sctp_v6_inaddr_any, .is_any = sctp_v6_is_any, .available = sctp_v6_available, .skb_iif = sctp_v6_skb_iif, .is_ce = sctp_v6_is_ce, .seq_dump_addr = sctp_v6_seq_dump_addr, .ecn_capable = sctp_v6_ecn_capable, .net_header_len = sizeof(struct ipv6hdr), .sockaddr_len = sizeof(struct sockaddr_in6), #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, #endif }; static struct sctp_pf sctp_pf_inet6 = { .event_msgname = sctp_inet6_event_msgname, .skb_msgname = sctp_inet6_skb_msgname, .af_supported = sctp_inet6_af_supported, .cmp_addr = sctp_inet6_cmp_addr, .bind_verify = sctp_inet6_bind_verify, .send_verify = sctp_inet6_send_verify, .supported_addrs = sctp_inet6_supported_addrs, .create_accept_sk = sctp_v6_create_accept_sk, .addr_to_user = sctp_v6_addr_to_user, .to_sk_saddr = sctp_v6_to_sk_saddr, .to_sk_daddr = sctp_v6_to_sk_daddr, .af = &sctp_af_inet6, }; /* Initialize IPv6 support and register with socket layer. */
void sctp_v6_pf_init(void) { /* Register the SCTP specific PF_INET6 functions. */ sctp_register_pf(&sctp_pf_inet6, PF_INET6); /* Register the SCTP specific AF_INET6 functions. */ sctp_register_af(&sctp_af_inet6); }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala1460.87%125.00%
Jon Grimm417.39%125.00%
Vladislav Yasevich313.04%125.00%
Neil Horman28.70%125.00%
Total23100.00%4100.00%


void sctp_v6_pf_exit(void) { list_del(&sctp_af_inet6.list); }

Contributors

PersonTokensPropCommitsCommitProp
Vladislav Yasevich15100.00%1100.00%
Total15100.00%1100.00%

/* Initialize IPv6 support and register with socket layer. */
int sctp_v6_protosw_init(void) { int rc; rc = proto_register(&sctpv6_prot, 1); if (rc) return rc; /* Add SCTPv6(UDP and TCP style) to inetsw6 linked list. */ inet6_register_protosw(&sctpv6_seqpacket_protosw); inet6_register_protosw(&sctpv6_stream_protosw); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala1739.53%228.57%
Arnaldo Carvalho de Melo1227.91%228.57%
Vladislav Yasevich920.93%114.29%
David S. Miller36.98%114.29%
Jon Grimm24.65%114.29%
Total43100.00%7100.00%


void sctp_v6_protosw_exit(void) { inet6_unregister_protosw(&sctpv6_seqpacket_protosw); inet6_unregister_protosw(&sctpv6_stream_protosw); proto_unregister(&sctpv6_prot); }

Contributors

PersonTokensPropCommitsCommitProp
Vladislav Yasevich25100.00%1100.00%
Total25100.00%1100.00%

/* Register with inet6 layer. */
int sctp_v6_add_protocol(void) { /* Register notifier for inet6 address additions/deletions. */ register_inet6addr_notifier(&sctp_inet6addr_notifier); if (inet6_add_protocol(&sctpv6_protocol, IPPROTO_SCTP) < 0) return -EAGAIN; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala2884.85%240.00%
Arnaldo Carvalho de Melo39.09%120.00%
Jon Grimm13.03%120.00%
Patrick McHardy13.03%120.00%
Total33100.00%5100.00%

/* Unregister with inet6 layer. */
void sctp_v6_del_protocol(void) { inet6_del_protocol(&sctpv6_protocol, IPPROTO_SCTP); unregister_inet6addr_notifier(&sctp_inet6addr_notifier); }

Contributors

PersonTokensPropCommitsCommitProp
Sridhar Samudrala1676.19%250.00%
Arnaldo Carvalho de Melo419.05%125.00%
Jon Grimm14.76%125.00%
Total21100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Jon Grimm227543.60%1810.47%
Sridhar Samudrala94718.15%1911.05%
Vladislav Yasevich4789.16%137.56%
Jason Gunthorpe3506.71%10.58%
Xin Long1783.41%84.65%
Eric Dumazet1272.43%105.81%
Arnaldo Carvalho de Melo1262.41%158.72%
Eric W. Biedermann1082.07%84.65%
David S. Miller1041.99%74.07%
Daniel Borkmann1021.95%74.07%
Weixing Shi861.65%10.58%
Marcelo Ricardo Leitner290.56%31.74%
Hideaki Yoshifuji / 吉藤英明260.50%84.65%
Alexey Dobriyan200.38%21.16%
Herbert Xu180.34%21.16%
Zheng Li170.33%10.58%
Alexander Potapenko160.31%10.58%
Laszlo Toth160.31%10.58%
Dmitry Mishin150.29%10.58%
Dave Johnson140.27%10.58%
Harvey Harrison140.27%31.74%
Michio Honda140.27%10.58%
Al Viro130.25%95.23%
Pavel Emelyanov100.19%10.58%
Chidambar 'ilLogict' Zinnoury100.19%10.58%
Martin KaFai Lau100.19%21.16%
Patrick McHardy90.17%10.58%
Stephen Hemminger80.15%10.58%
Matija Glavinic Pecotic80.15%10.58%
Joe Perches70.13%10.58%
Thomas Graf70.13%10.58%
Hannes Frederic Sowa70.13%10.58%
Brian Haley60.11%31.74%
Fan Du60.11%10.58%
Neil Horman50.10%10.58%
Ville Nuorvala50.10%21.16%
David Howells40.08%10.58%
Pablo Neira Ayuso40.08%10.58%
Daniel Lezcano40.08%21.16%
Tom Lendacky30.06%10.58%
Lai Jiangshan20.04%10.58%
Jarek Poplawski20.04%10.58%
Linus Torvalds10.02%10.58%
Tommi Rantala10.02%10.58%
Denis V. Lunev10.02%10.58%
Tejun Heo10.02%10.58%
Adrian Bunk10.02%10.58%
Jeff Kirsher10.02%10.58%
Simon Horman10.02%10.58%
Américo Wang10.02%10.58%
Total5218100.00%172100.00%
Directory: net/sctp
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