(OK) Android-x86-7.1.1/ kernel 4.4.62

gedit kernel/net/mptcp/mptcp_fullmesh.c

static void full_mesh_new_session(const struct sock *meta_sk){struct mptcp_loc_addr *mptcp_local;struct mptcp_cb *mpcb = tcp_sk(meta_sk)->mpcb;struct fullmesh_priv *fmp = fullmesh_get_priv(mpcb);const struct mptcp_fm_ns *fm_ns = fm_get_ns(sock_net(meta_sk));struct tcp_sock *master_tp = tcp_sk(mpcb->master_sk);int i, index, if_idx;union inet_addr saddr, daddr;sa_family_t family;bool meta_v4 = meta_sk->sk_family == AF_INET;/* Init local variables necessary for the rest */if (meta_sk->sk_family == AF_INET || mptcp_v6_is_v4_mapped(meta_sk)) {saddr.ip = inet_sk(meta_sk)->inet_saddr;daddr.ip = inet_sk(meta_sk)->inet_daddr;if_idx = mpcb->master_sk->sk_bound_dev_if;family = AF_INET;#if IS_ENABLED(CONFIG_IPV6)} else {saddr.in6 = inet6_sk(meta_sk)->saddr;daddr.in6 = meta_sk->sk_v6_daddr;if_idx = mpcb->master_sk->sk_bound_dev_if;family = AF_INET6;#endif}rcu_read_lock();mptcp_local = rcu_dereference(fm_ns->local);index = mptcp_find_address(mptcp_local, family, &saddr, if_idx);if (index < 0)goto fallback;if (family == AF_INET)master_tp->mptcp->low_prio = mptcp_local->locaddr4[index].low_prio;elsemaster_tp->mptcp->low_prio = mptcp_local->locaddr6[index].low_prio;master_tp->mptcp->send_mp_prio = master_tp->mptcp->low_prio;full_mesh_add_raddr(mpcb, &daddr, family, 0, 0);mptcp_set_init_addr_bit(mpcb, &daddr, family, index);//ztg add//*printk(KERN_INFO "mptcp: full_mesh_new_session: i = %u\n", mptcp_local->loc4_bits);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr0 = %u\n", mptcp_local->locaddr4[0].addr.s_addr);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr1 = %u\n", mptcp_local->locaddr4[1].addr.s_addr);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr2 = %u\n", mptcp_local->locaddr4[2].addr.s_addr);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr3 = %u\n", mptcp_local->locaddr4[3].addr.s_addr);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr4 = %u\n", mptcp_local->locaddr4[4].addr.s_addr);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr5 = %u\n", mptcp_local->locaddr4[5].addr.s_addr);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr6 = %u\n", mptcp_local->locaddr4[6].addr.s_addr);printk(KERN_INFO "mptcp: full_mesh_new_session: locaddr7 = %u\n", mptcp_local->locaddr4[7].addr.s_addr);//*//* Initialize workqueue-struct */INIT_WORK(&fmp->subflow_work, create_subflow_worker);INIT_DELAYED_WORK(&fmp->subflow_retry_work, retry_subflow_worker);fmp->mpcb = mpcb;// ...}

static void create_subflow_worker(struct work_struct *work){struct fullmesh_priv *fmp = container_of(work, struct fullmesh_priv, subflow_work);struct mptcp_cb *mpcb = fmp->mpcb;struct sock *meta_sk = mpcb->meta_sk;struct mptcp_loc_addr *mptcp_local;const struct mptcp_fm_ns *fm_ns = fm_get_ns(sock_net(meta_sk));int iter = 0, retry = 0;int i;/* We need a local (stable) copy of the address-list. Really, it is not * such a big deal, if the address-list is not 100% up-to-date. */rcu_read_lock_bh();mptcp_local = rcu_dereference_bh(fm_ns->local);mptcp_local = kmemdup(mptcp_local, sizeof(*mptcp_local), GFP_ATOMIC);rcu_read_unlock_bh();if (!mptcp_local)return;next_subflow:if (iter) {release_sock(meta_sk);mutex_unlock(&mpcb->mpcb_mutex);cond_resched();}mutex_lock(&mpcb->mpcb_mutex);lock_sock_nested(meta_sk, SINGLE_DEPTH_NESTING);/* Create the additional subflows for the first pair */if (fmp->first_pair == 0 && mpcb->master_sk) {struct mptcp_loc4 loc;struct mptcp_rem4 rem;loc.addr.s_addr = inet_sk(meta_sk)->inet_saddr;loc.loc4_id = 0;loc.low_prio = 0;loc.if_idx = mpcb->master_sk->sk_bound_dev_if;rem.addr.s_addr = inet_sk(meta_sk)->inet_daddr;rem.port = inet_sk(meta_sk)->inet_dport;rem.rem4_id = 0; /* Default 0 */mptcp_v4_subflows(meta_sk, &loc, &rem);fmp->first_pair = 1;}iter++;if (sock_flag(meta_sk, SOCK_DEAD))goto exit;if (mpcb->master_sk &&    !tcp_sk(mpcb->master_sk)->mptcp->fully_established)goto exit;/*112.26.0.1 (16783984)112.26.1.1 (16849520)112.26.2.1 (16915056)112.26.3.1 (16980592)112.26.4.1 (17046128)112.26.0.6 (100670064)112.26.1.6 (100735600)112.26.2.6 (100801136)112.26.3.6 (100866672)112.26.4.6 (100932208)*///ztg add/*printk(KERN_INFO "mptcp: create_subflow_worker: i = %u\n", fmp->rem4_bits);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr0 = %u\n", fmp->remaddr4[0].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr1 = %u\n", fmp->remaddr4[1].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr2 = %u\n", fmp->remaddr4[2].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr3 = %u\n", fmp->remaddr4[3].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr4 = %u\n", fmp->remaddr4[4].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr5 = %u\n", fmp->remaddr4[5].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr6 = %u\n", fmp->remaddr4[6].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: remaddr7 = %u\n", fmp->remaddr4[7].addr.s_addr);//*/printk(KERN_INFO "mptcp: create_subflow_worker: next_subflow\n");mptcp_for_each_bit_set(fmp->rem4_bits, i) {struct fullmesh_rem4 *rem;u8 remaining_bits;rem = &fmp->remaddr4[i];remaining_bits = ~(rem->bitfield) & mptcp_local->loc4_bits;/* Are there still combinations to handle? */if (remaining_bits) {int i = mptcp_find_free_index(~remaining_bits);struct mptcp_rem4 rem4;rem->bitfield |= (1 << i);rem4.addr = rem->addr;rem4.port = rem->port;rem4.rem4_id = rem->rem4_id;//ztg add//printk(KERN_INFO "mptcp: create_subflow_worker: i = %u\n", remaining_bits);//printk(KERN_INFO "mptcp: create_subflow_worker: locaddr%d = %u\n", i, mptcp_local->locaddr4[i].addr.s_addr);printk(KERN_INFO "mptcp: create_subflow_worker: locaddr = %u --- remaddr = %u\n", mptcp_local->locaddr4[i].addr.s_addr, rem4.addr.s_addr);/* If a route is not yet available then retry once */if (mptcp_init4_subsockets(meta_sk, &mptcp_local->locaddr4[i],   &rem4) == -ENETUNREACH)retry = rem->retry_bitfield |= (1 << i);elsemptcp_v4_subflows(meta_sk,  &mptcp_local->locaddr4[i],  &rem4);goto next_subflow;}}// ...}