Projectname
large_stringclasses
15 values
Filepath
large_stringlengths
4
106
Function
large_stringlengths
11
3.45k
Label
list
Linux Kernel
net/mpls/af_mpls.c
static int mpls_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, struct netlink_ext_ack *extack) { struct mpls_route_config *cfg; int err; cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); if (!cfg) return -ENOMEM; err = rtm_to_route_config(skb, nlh, cfg, extack); if (err <...
[ 0, 0 ]
Linux Kernel
net/mpls/af_mpls.c
static int mpls_valid_fib_dump_req(struct net *net, const struct nlmsghdr *nlh, struct fib_dump_filter *filter, struct netlink_callback *cb) { struct netlink_ext_ack *extack = cb->extack; struct nlattr *tb[RTA_MAX + 1]; struct rtmsg *rtm; int...
[ 1, 0 ]
Linux Kernel
net/mpls/af_mpls.c
static inline size_t lfib_nlmsg_size(struct mpls_route *rt) { size_t payload = NLMSG_ALIGN(sizeof(struct rtmsg)) + nla_total_size(4) + nla_total_size(1); /* RTA_TTL_PROPAGATE */ if (rt->rt_nhn == 1) { struct mpls_nh *nh = rt->rt_nh; if (nh->nh_dev) payload += nla_total_size(4); ...
[ 1, 0 ]
Linux Kernel
net/mpls/af_mpls.c
static int mpls_net_init(struct net *net) { struct ctl_table *table; int i; net->mpls.platform_labels = 0; net->mpls.platform_label = NULL; net->mpls.ip_ttl_propagate = 1; net->mpls.default_ttl = 255; table = kmemdup(mpls_table, sizeof(mpls_table), GFP_KERNEL); if (table == NULL) return -ENOMEM; ...
[ 1, 0 ]
Linux Kernel
net/mpls/af_mpls.c
static int __init mpls_init(void) { int err; BUILD_BUG_ON(sizeof(struct mpls_shim_hdr) != 4); err = register_pernet_subsys(&mpls_net_ops); if (err) goto out; err = register_netdevice_notifier(&mpls_dev_notifier); if (err) goto out_unregister_pernet; dev_add_pack(&mpls_packet_type); rtnl_af...
[ 0, 0 ]
Linux Kernel
net/mpls/mpls_iptunnel.c
static unsigned int mpls_encap_size(struct mpls_iptunnel_encap *en) { return en->labels * sizeof(struct mpls_shim_hdr); }
[ 1, 0 ]
Linux Kernel
net/mptcp/crypto.c
void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac) { u8 input[SHA256_BLOCK_SIZE + SHA256_DIGEST_SIZE]; u8 key1be[8]; u8 key2be[8]; int i; if (WARN_ON_ONCE(len > SHA256_DIGEST_SIZE)) len = SHA256_DIGEST_SIZE; put_unaligned_be64(key1, key1be); put_unaligned_be64(key2, key2be)...
[ 1, 0 ]
Linux Kernel
net/mptcp/ctrl.c
static struct mptcp_pernet *mptcp_get_pernet(const struct net *net) { return net_generic(net, mptcp_pernet_id); }
[ 0, 0 ]
Linux Kernel
net/mptcp/ctrl.c
unsigned int mptcp_get_add_addr_timeout(const struct net *net) { return mptcp_get_pernet(net)->add_addr_timeout; }
[ 0, 0 ]
Linux Kernel
net/mptcp/ctrl.c
static int mptcp_pernet_new_table(struct net *net, struct mptcp_pernet *pernet) { return 0; }
[ 0, 0 ]
Linux Kernel
net/mptcp/diag.c
void mptcp_diag_subflow_init(struct tcp_ulp_ops *ops) { ops->get_info = subflow_get_info; ops->get_info_size = subflow_get_info_size; }
[ 0, 0 ]
Linux Kernel
net/mptcp/mib.c
void mptcp_seq_show(struct seq_file *seq) { unsigned long sum[ARRAY_SIZE(mptcp_snmp_list) - 1]; struct net *net = seq->private; int i; seq_puts(seq, "MPTcpExt:"); for (i = 0; mptcp_snmp_list[i].name; i++) seq_printf(seq, " %s", mptcp_snmp_list[i].name); seq_puts(seq, "\nMPTcpExt:"); memset(sum, 0,...
[ 1, 0 ]
Linux Kernel
net/mptcp/mib.h
static inline void MPTCP_INC_STATS(struct net *net, enum linux_mptcp_mib_field field) { if (likely(net->mib.mptcp_statistics)) SNMP_INC_STATS(net->mib.mptcp_statistics, field); }
[ 0, 0 ]
Linux Kernel
net/mptcp/options.c
static bool mptcp_established_options_mp_prio(struct sock *sk, unsigned int *size, unsigned int remaining, struct mptcp_out_options *opts) { struct mptcp_subflow_context *subflow =...
[ 1, 0 ]
Linux Kernel
net/mptcp/options.c
static bool add_addr_hmac_valid(struct mptcp_sock *msk, struct mptcp_options_received *mp_opt) { u64 hmac = 0; if (mp_opt->echo) return true; hmac = add_addr_generate_hmac(msk->remote_key, msk->local_key, &mp_opt->addr); pr_debug("msk=%p, ahmac=%llu, mp_opt->ahmac=%llu\n"...
[ 0, 0 ]
Linux Kernel
net/mptcp/options.c
static __sum16 mptcp_make_csum(const struct mptcp_ext *mpext) { return __mptcp_make_csum(mpext->data_seq, mpext->subflow_seq, mpext->data_len, ~csum_unfold(mpext->csum)); }
[ 0, 0 ]
Linux Kernel
net/mptcp/options.c
__be32 mptcp_get_reset_option(const struct sk_buff *skb) { const struct mptcp_ext *ext = mptcp_get_ext(skb); u8 flags, reason; if (ext) { flags = ext->reset_transient; reason = ext->reset_reason; return mptcp_option(MPTCPOPT_RST, TCPOLEN_MPTCP_RST, flags, reason); } return htonl(0u); }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm.c
int mptcp_pm_announce_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool echo) { u8 add_addr = READ_ONCE(msk->pm.addr_signal); pr_debug("msk=%p, local_id=%d, echo=%d", msk, addr->id, echo); lockdep_assert_held(&msk->pm.lock); if (add_addr & (echo ? BIT(MPTC...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm.c
bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk) { struct mptcp_pm_data *pm = &msk->pm; unsigned int subflows_max; int ret = 0; if (mptcp_pm_is_userspace(msk)) return mptcp_userspace_pm_active(msk); subflows_max = mptcp_pm_get_subflows_max(msk); pr_debug("msk=%p subflows=%d max=%d allow=%d", m...
[ 1, 0 ]
Linux Kernel
net/mptcp/pm.c
void mptcp_pm_subflow_check_next(struct mptcp_sock *msk, const struct sock *ssk, const struct mptcp_subflow_context *subflow) { struct mptcp_pm_data *pm = &msk->pm; bool update_subflows; update_subflows = (subflow->request_join || subflow->mp_join) && mptcp_pm_is_kernel(msk...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm.c
void mptcp_pm_add_addr_send_ack(struct mptcp_sock *msk) { if (!mptcp_pm_should_add_signal(msk)) return; mptcp_pm_schedule_work(msk, MPTCP_PM_ADD_ADDR_SEND_ACK); }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm.c
bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, const struct sk_buff *skb, unsigned int opt_size, unsigned int remaining, struct mptcp_addr_info *addr, bool *echo, bool *drop_other_suboptions) { int ret = false; u8 add_a...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static void local_address(const struct sock_common *skc, struct mptcp_addr_info *addr) { addr->family = skc->skc_family; addr->port = htons(skc->skc_num); if (addr->family == AF_INET) addr->addr.s_addr = skc->skc_rcv_saddr; #if IS_ENABLED(CONFIG_MPTCP_IPV6) else if (addr->family =...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static bool lookup_subflow_by_daddr(const struct list_head *list, const struct mptcp_addr_info *daddr) { struct mptcp_subflow_context *subflow; struct mptcp_addr_info cur; struct sock_common *skc; list_for_each_entry(subflow, list, node) { skc = (struct sock_common *)mp...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
unsigned int mptcp_pm_get_add_addr_accept_max(const struct mptcp_sock *msk) { struct pm_nl_pernet *pernet = pm_nl_get_pernet_from_msk(msk); return READ_ONCE(pernet->add_addr_accept_max); }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
bool mptcp_pm_nl_check_work_pending(struct mptcp_sock *msk) { struct pm_nl_pernet *pernet = pm_nl_get_pernet_from_msk(msk); if (msk->pm.subflows == mptcp_pm_get_subflows_max(msk) || (find_next_and_bit(pernet->id_bitmap, msk->pm.id_avail_bitmap, MPTCP_PM_MAX_ADDR_ID + 1, ...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
struct mptcp_pm_add_entry * mptcp_pm_del_add_timer(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool check_id) { struct mptcp_pm_add_entry *entry; struct sock *sk = (struct sock *)msk; spin_lock_bh(&msk->pm.lock); entry = mptcp_lookup_anno_list_by_saddr(msk, addr); if (...
[ 1, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
void mptcp_pm_free_anno_list(struct mptcp_sock *msk) { struct mptcp_pm_add_entry *entry, *tmp; struct sock *sk = (struct sock *)msk; LIST_HEAD(free_list); pr_debug("msk=%p", msk); spin_lock_bh(&msk->pm.lock); list_splice_init(&msk->pm.anno_list, &free_list); spin_unlock_bh(&msk->pm.lock); list_for_e...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static void mptcp_pm_send_ack(struct mptcp_sock *msk, struct mptcp_subflow_context *subflow, bool prio, bool backup) { spin_unlock_bh(&msk->pm.lock); __mptcp_pm_send_ack(msk, subflow, prio, backup); spin_lock_bh(&msk->pm.lock); }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static struct mptcp_pm_addr_entry * __lookup_addr(struct pm_nl_pernet *pernet, const struct mptcp_addr_info *info, bool lookup_by_id) { struct mptcp_pm_addr_entry *entry; list_for_each_entry(entry, &pernet->local_addr_list, list) { if ((!lookup_by_id && mptcp_addresses_equal(&entry->add...
[ 1, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static void mptcp_pm_nl_subflow_established(struct mptcp_sock *msk) { mptcp_pm_create_subflow_or_signal_addr(msk); }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static bool mptcp_local_id_match(const struct mptcp_sock *msk, u8 local_id, u8 id) { return local_id == id || (!local_id && msk->mpc_endpoint_id == id); }
[ 1, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static int mptcp_pm_family_to_addr(int family) { #if IS_ENABLED(CONFIG_MPTCP_IPV6) if (family == AF_INET6) return MPTCP_PM_ADDR_ATTR_ADDR6; #endif return MPTCP_PM_ADDR_ATTR_ADDR4; }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static int mptcp_pm_parse_pm_addr_attr(struct nlattr *tb[], const struct nlattr *attr, struct genl_info *info, struct mptcp_addr_info *addr, bool require_family) { ...
[ 1, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
int mptcp_pm_get_flags_and_ifindex_by_id(struct mptcp_sock *msk, unsigned int id, u8 *flags, int *ifindex) { struct mptcp_pm_addr_entry *entry; struct sock *sk = (struct sock *)msk; struct net *net = sock_net(sk); *flags = 0; ...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool force) { struct mptcp_rm_list list = {.nr = 0}; bool ret; list.ids[list.nr++] = addr->id; ret = remove_anno_list_by_saddr(msk, add...
[ 1, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static void __flush_addrs(struct list_head *list) { while (!list_empty(list)) { struct mptcp_pm_addr_entry *cur; cur = list_entry(list->next, struct mptcp_pm_addr_entry, list); list_del_rcu(&cur->list); __mptcp_pm_release_addr_entry(cur); } }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static void __reset_counters(struct pm_nl_pernet *pernet) { WRITE_ONCE(pernet->add_addr_signal_max, 0); WRITE_ONCE(pernet->add_addr_accept_max, 0); WRITE_ONCE(pernet->local_addr_max, 0); pernet->addrs = 0; }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static int mptcp_nl_fill_addr(struct sk_buff *skb, struct mptcp_pm_addr_entry *entry) { struct mptcp_addr_info *addr = &entry->addr; struct nlattr *attr; attr = nla_nest_start(skb, MPTCP_PM_ATTR_ADDR); if (!attr) return -EMSGSIZE; if (nla_put_u16(skb, MPTCP_PM_ADDR_ATTR_FA...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static int mptcp_nl_cmd_get_limits(struct sk_buff *skb, struct genl_info *info) { struct pm_nl_pernet *pernet = genl_info_pm_nl(info); struct sk_buff *msg; void *reply; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; reply = genlmsg_put_re...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static void mptcp_nl_mcast_send(struct net *net, struct sk_buff *nlskb, gfp_t gfp) { genlmsg_multicast_netns(&mptcp_genl_family, net, nlskb, 0, MPTCP_PM_EV_GRP_OFFSET, gfp); }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static int mptcp_event_sub_established(struct sk_buff *skb, const struct mptcp_sock *msk, const struct sock *ssk) { return mptcp_event_put_token_and_ssk(skb, msk, ssk); }
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static int mptcp_event_created(struct sk_buff *skb, const struct mptcp_sock *msk, const struct sock *ssk) { int err = nla_put_u32(skb, MPTCP_ATTR_TOKEN, msk->token); if (err) return err; if (nla_put_u8(skb, MPTCP_ATTR_SERVER_SIDE, READ_ONCE(msk-...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
void mptcp_event_addr_announced(const struct sock *ssk, const struct mptcp_addr_info *info) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); struct mptcp_sock *msk = mptcp_sk(subflow->conn); struct net *net = sock_net(ssk); struct nlmsghdr *nlh; struct sk_buff...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_netlink.c
static int __net_init pm_nl_init_net(struct net *net) { struct pm_nl_pernet *pernet = pm_nl_get_pernet(net); INIT_LIST_HEAD_RCU(&pernet->local_addr_list); pernet->subflows_max = 2; pernet->next_id = 1; pernet->stale_loss_cnt = 4; spin_lock_init(&pernet->lock); /* No need to initialize other pernet fiel...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_userspace.c
void mptcp_free_local_addr_list(struct mptcp_sock *msk) { struct mptcp_pm_addr_entry *entry, *tmp; struct sock *sk = (struct sock *)msk; LIST_HEAD(free_list); if (!mptcp_pm_is_userspace(msk)) return; spin_lock_bh(&msk->pm.lock); list_splice_init(&msk->pm.userspace_pm_local_addr_list, &free_list); s...
[ 1, 0 ]
Linux Kernel
net/mptcp/pm_userspace.c
int mptcp_userspace_pm_get_flags_and_ifindex_by_id(struct mptcp_sock *msk, unsigned int id, u8 *flags, int *ifindex) { struct mptcp_pm_addr_entry *entry, *match = NULL; *flags = 0; *ifindex = 0; spin_lock_bh...
[ 0, 0 ]
Linux Kernel
net/mptcp/pm_userspace.c
int mptcp_nl_cmd_remove(struct sk_buff *skb, struct genl_info *info) { struct nlattr *token = info->attrs[MPTCP_PM_ATTR_TOKEN]; struct nlattr *id = info->attrs[MPTCP_PM_ATTR_LOC_ID]; struct mptcp_pm_addr_entry *match = NULL; struct mptcp_pm_addr_entry *entry; struct mptcp_sock *msk; LIST_HEAD(free_list); ...
[ 1, 0 ]
Linux Kernel
net/mptcp/pm_userspace.c
static struct sock *mptcp_nl_find_ssk(struct mptcp_sock *msk, const struct mptcp_addr_info *local, const struct mptcp_addr_info *remote) { struct mptcp_subflow_context *subflow; if (local->family != remote->family) return NULL; mpt...
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static u64 mptcp_wnd_end(const struct mptcp_sock *msk) { return READ_ONCE(msk->wnd_end); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int __mptcp_socket_create(struct mptcp_sock *msk) { struct mptcp_subflow_context *subflow; struct sock *sk = (struct sock *)msk; struct socket *ssock; int err; err = mptcp_subflow_create_socket(sk, &ssock); if (err) return err; msk->first = ssock->sk; msk->subflow = ssock; subflow = mptcp...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void __mptcp_rmem_reclaim(struct sock *sk, int amount) { amount >>= PAGE_SHIFT; mptcp_sk(sk)->rmem_fwd_alloc -= amount << PAGE_SHIFT; __sk_mem_reduce_allocated(sk, amount); }
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_rfree(struct sk_buff *skb) { unsigned int len = skb->truesize; struct sock *sk = skb->sk; atomic_sub(len, &sk->sk_rmem_alloc); mptcp_rmem_uncharge(sk, len); }
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
void mptcp_set_owner_r(struct sk_buff *skb, struct sock *sk) { skb_orphan(skb); skb->sk = sk; skb->destructor = mptcp_rfree; atomic_add(skb->truesize, &sk->sk_rmem_alloc); mptcp_rmem_charge(sk, skb->truesize); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk, struct sk_buff *skb, unsigned int offset, size_t copy_len) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); struct sock *sk = (struct sock *)msk; struct sk_buff *tail; ...
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static bool mptcp_pending_data_fin(struct sock *sk, u64 *seq) { struct mptcp_sock *msk = mptcp_sk(sk); if (READ_ONCE(msk->rcv_data_fin) && ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_FIN_WAIT1 | TCPF_FIN_WAIT2))) { u64 rcv_data_fin_seq = READ_ONCE(msk->rcv_data_fin_seq); if (msk->ack_seq...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static inline bool tcp_can_send_ack(const struct sock *ssk) { return !((1 << inet_sk_state_load(ssk)) & (TCPF_SYN_SENT | TCPF_SYN_RECV | TCPF_TIME_WAIT | TCPF_CLOSE | TCPF_LISTEN)); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
void __mptcp_subflow_send_ack(struct sock *ssk) { if (tcp_can_send_ack(ssk)) tcp_send_ack(ssk); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_send_ack(struct mptcp_sock *msk) { struct mptcp_subflow_context *subflow; mptcp_for_each_subflow(msk, subflow) mptcp_subflow_send_ack(mptcp_subflow_tcp_sock(subflow)); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_cleanup_rbuf(struct mptcp_sock *msk) { int old_space = READ_ONCE(msk->old_wspace); struct mptcp_subflow_context *subflow; struct sock *sk = (struct sock *)msk; int space = __mptcp_space(sk); bool cleanup, rx_empty; cleanup = (space > 0) && (space >= (old_space << 1)); rx_empty = !__mpt...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static bool move_skbs_to_msk(struct mptcp_sock *msk, struct sock *ssk) { struct sock *sk = (struct sock *)msk; unsigned int moved = 0; __mptcp_move_skbs_from_subflow(msk, ssk, &moved); __mptcp_ofo_queue(msk); if (unlikely(ssk->sk_err)) { if (!sock_owned_by_user(sk)) __mptcp_error_report(sk); el...
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
void mptcp_data_ready(struct sock *sk, struct sock *ssk) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); struct mptcp_sock *msk = mptcp_sk(sk); int sk_rbuf, ssk_rbuf; if (unlikely(subflow->disposable)) return; ssk_rbuf = READ_ONCE(ssk->sk_rcvbuf); sk_rbuf = READ_ONCE(sk->sk_rcvbuf); ...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_check_for_eof(struct mptcp_sock *msk) { struct mptcp_subflow_context *subflow; struct sock *sk = (struct sock *)msk; int receivers = 0; mptcp_for_each_subflow(msk, subflow) receivers += !subflow->rx_eof; if (receivers) return; if (!(sk->sk_shutdown & RCV_SHUTDOWN)) { /* hopefully...
[ 0, 1 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_clean_una_wakeup(struct sock *sk) { mptcp_data_lock(sk); __mptcp_clean_una_wakeup(sk); mptcp_data_unlock(sk); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_enter_memory_pressure(struct sock *sk) { struct mptcp_subflow_context *subflow; struct mptcp_sock *msk = mptcp_sk(sk); bool first = true; sk_stream_moderate_sndbuf(sk); mptcp_for_each_subflow(msk, subflow) { struct sock *ssk = mptcp_subflow_tcp_sock(subflow); if (first) tcp_...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static struct mptcp_data_frag * mptcp_carve_data_frag(const struct mptcp_sock *msk, struct page_frag *pfrag, int orig_offset) { int offset = ALIGN(orig_offset, sizeof(long)); struct mptcp_data_frag *dfrag; dfrag = (struct mptcp_data_frag *)(page_to_virt(pfrag->page) + offset); dfrag->dat...
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static struct sk_buff *__mptcp_do_alloc_tx_skb(struct sock *sk, gfp_t gfp) { struct sk_buff *skb; skb = alloc_skb_fclone(MAX_TCP_HEADER, gfp); if (likely(skb)) { if (likely(__mptcp_add_ext(skb, gfp))) { skb_reserve(skb, MAX_TCP_HEADER); skb->ip_summed = CHECKSUM_PARTIAL; INIT_LIST_HEAD(&sk...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static struct sk_buff *mptcp_alloc_tx_skb(struct sock *sk, struct sock *ssk, bool data_lock_held) { gfp_t gfp = data_lock_held ? GFP_ATOMIC : sk->sk_allocation; return __mptcp_alloc_tx_skb(sk, ssk, gfp); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
void mptcp_subflow_set_active(struct mptcp_subflow_context *subflow) { if (!subflow->stale) return; subflow->stale = 0; MPTCP_INC_STATS(sock_net(mptcp_subflow_tcp_sock(subflow)), MPTCP_MIB_SUBFLOWRECOVER); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void __mptcp_subflow_push_pending(struct sock *sk, struct sock *ssk, bool first) { struct mptcp_sock *msk = mptcp_sk(sk); struct mptcp_sendmsg_info info = { .data_lock_held = true, }; struct mptcp_data_frag *dfrag; struct sock *xmit_ssk; int len, copied ...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int mptcp_sendmsg_fastopen(struct sock *sk, struct sock *ssk, struct msghdr *msg, size_t len, int *copied_syn) { unsigned int saved_flags = msg->msg_flags; struct mptcp_sock *msk = mptcp_sk(sk); int ret; lock_sock(ssk); msg->msg_flags...
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static struct sock *mptcp_subflow_get_retrans(struct mptcp_sock *msk) { struct sock *backup = NULL, *pick = NULL; struct mptcp_subflow_context *subflow; int min_stale_count = INT_MAX; sock_owned_by_me((const struct sock *)msk); if (__mptcp_check_fallback(msk)) return NULL; mptcp_for_each_subflow(msk,...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static unsigned int mptcp_sync_mss(struct sock *sk, u32 pmtu) { return 0; }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void __mptcp_retrans(struct sock *sk) { struct mptcp_sock *msk = mptcp_sk(sk); struct mptcp_sendmsg_info info = {}; struct mptcp_data_frag *dfrag; size_t copied = 0; struct sock *ssk; int ret; mptcp_clean_una_wakeup(sk); ssk = mptcp_subflow_get_retrans(msk); dfrag = mptcp_rtx_head(sk); if (...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_ca_reset(struct sock *sk) { struct inet_connection_sock *icsk = inet_csk(sk); tcp_assign_congestion_control(sk); strcpy(mptcp_sk(sk)->ca_name, icsk->icsk_ca_ops->name); tcp_cleanup_congestion_control(sk); icsk->icsk_ca_ops = NULL; }
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int mptcp_init_sock(struct sock *sk) { struct net *net = sock_net(sk); int ret; ret = __mptcp_init_sock(sk); if (ret) return ret; if (!mptcp_is_enabled(net)) return -ENOPROTOOPT; if (unlikely(!net->mib.mptcp_statistics) && !mptcp_mib_alloc(net)) return -ENOMEM; ret = __mptcp_socket_...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void __mptcp_clear_xmit(struct sock *sk) { struct mptcp_sock *msk = mptcp_sk(sk); struct mptcp_data_frag *dtmp, *dfrag; WRITE_ONCE(msk->first_pending, NULL); list_for_each_entry_safe(dfrag, dtmp, &msk->rtx_queue, list) dfrag_clear(sk, dfrag); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void __mptcp_wr_shutdown(struct sock *sk) { struct mptcp_sock *msk = mptcp_sk(sk); pr_debug("msk=%p snd_data_fin_enable=%d shutdown=%x state=%d pending=%d", msk, msk->snd_data_fin_enable, sk->sk_shutdown, sk->sk_state, !!mptcp_send_head(sk)); WRITE_ONCE(msk->write_seq, msk->write_se...
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_close(struct sock *sk, long timeout) { bool do_cancel_work; lock_sock(sk); do_cancel_work = __mptcp_close(sk, timeout); release_sock(sk); if (do_cancel_work) mptcp_cancel_work(sk); sock_put(sk); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int mptcp_disconnect(struct sock *sk, int flags) { struct mptcp_sock *msk = mptcp_sk(sk); inet_sk_state_store(sk, TCP_CLOSE); mptcp_stop_timer(sk); sk_stop_timer(sk, &sk->sk_timer); if (msk->token) mptcp_event(MPTCP_EVENT_CLOSED, msk, NULL, GFP_KERNEL); mptcp_destroy_common(msk, MPTCP_CF_FAST...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
void __mptcp_check_push(struct sock *sk, struct sock *ssk) { if (!mptcp_send_head(sk)) return; if (!sock_owned_by_user(sk)) __mptcp_subflow_push_pending(sk, ssk, false); else __set_bit(MPTCP_PUSH_PENDING, &mptcp_sk(sk)->cb_flags); } #define MPTCP_FLAGS_PROCESS_CTX_NEED ...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static void mptcp_unhash(struct sock *sk) {}
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
void mptcp_finish_connect(struct sock *ssk) { struct mptcp_subflow_context *subflow; struct mptcp_sock *msk; struct sock *sk; subflow = mptcp_subflow_ctx(ssk); sk = subflow->conn; msk = mptcp_sk(sk); pr_debug("msk=%p, token=%u", sk, subflow->token); subflow->map_seq = subflow->iasn; subflow->map_su...
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int mptcp_forward_alloc_get(const struct sock *sk) { return sk->sk_forward_alloc + mptcp_sk(sk)->rmem_fwd_alloc; }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int mptcp_ioctl_outq(const struct mptcp_sock *msk, u64 v) { const struct sock *sk = (void *)msk; u64 delta; if (sk->sk_state == TCP_LISTEN) return -EINVAL; if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) return 0; delta = msk->write_seq - v; if (__mptcp_check_fallback(msk) && ms...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int mptcp_stream_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags) { int ret; lock_sock(sock->sk); mptcp_sk(sock->sk)->connect_flags = flags; ret = __inet_stream_connect(sock, uaddr, addr_len, flags, 0); release_sock(sock->sk); return ret;...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.c
static int mptcp_listen(struct socket *sock, int backlog) { struct mptcp_sock *msk = mptcp_sk(sock->sk); struct socket *ssock; int err; pr_debug("msk=%p", msk); lock_sock(sock->sk); ssock = __mptcp_nmpc_socket(msk); if (!ssock) { err = -EINVAL; goto unlock; } mptcp_token_destroy(msk); in...
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline bool before64(__u64 seq1, __u64 seq2) { return (__s64)(seq1 - seq2) < 0; }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline void msk_owned_by_me(const struct mptcp_sock *msk) { sock_owned_by_me((const struct sock *)msk); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline struct mptcp_data_frag *mptcp_send_next(struct sock *sk) { struct mptcp_sock *msk = mptcp_sk(sk); struct mptcp_data_frag *cur; cur = msk->first_pending; return list_is_last(&cur->list, &msk->rtx_queue) ? NULL : list_next_entry(cur, list); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline u64 mptcp_expand_seq(u64 old_seq, u64 cur_seq, bool use_64bit) { if (use_64bit) return cur_seq; return __mptcp_expand_seq(old_seq, cur_seq); }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline void mptcp_token_init_request(struct request_sock *req) { mptcp_subflow_rsk(req)->token_node.pprev = NULL; }
[ 0, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline int mptcp_rm_addr_len(const struct mptcp_rm_list *rm_list) { if (rm_list->nr == 0 || rm_list->nr > MPTCP_RM_IDS_MAX) return -EINVAL; return TCPOLEN_MPTCP_RM_ADDR_BASE + roundup(rm_list->nr - 1, 4) + 1; }
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline bool is_active_ssk(struct mptcp_subflow_context *subflow) { return (subflow->request_mptcp || subflow->request_join); }
[ 1, 0 ]
Linux Kernel
net/mptcp/protocol.h
static inline void subflow_init_req_cookie_join_save( const struct mptcp_subflow_request_sock *subflow_req, struct sk_buff *skb) { }
[ 0, 0 ]
Linux Kernel
net/mptcp/sockopt.c
static void sockopt_seq_inc(struct mptcp_sock *msk) { u32 seq = (msk->setsockopt_seq + 1) & 0x00ffffff; msk->setsockopt_seq = sockopt_seq_reset((struct sock *)msk) + seq; }
[ 1, 0 ]
Linux Kernel
net/mptcp/sockopt.c
static int mptcp_setsockopt_sol_socket_linger(struct mptcp_sock *msk, sockptr_t optval, unsigned int optlen) { struct mptcp_subflow_context *subflow; struct sock *sk = (struct sock *)msk; struct linger ling; sockptr_t k...
[ 1, 0 ]
Linux Kernel
net/mptcp/sockopt.c
static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname, sockptr_t optval, unsigned int optlen) { struct sock *sk = (struct sock *)msk; int ret = -EOPNOTSUPP; struct socket *ssock; switch (optname) { case IPV6_V6ONLY: case IPV6_TRANSPARENT: case IPV6_FREEBIND: ...
[ 1, 0 ]
Linux Kernel
net/mptcp/sockopt.c
static int mptcp_setsockopt_sol_tcp_congestion(struct mptcp_sock *msk, sockptr_t optval, unsigned int optlen) { struct mptcp_subflow_context *subflow; struct sock *sk = (struct sock *)msk; char name[TCP_CA_NAME_MAX]; ...
[ 1, 0 ]
Linux Kernel
net/mptcp/sockopt.c
static int mptcp_setsockopt_sol_tcp_nodelay(struct mptcp_sock *msk, sockptr_t optval, unsigned int optlen) { struct mptcp_subflow_context *subflow; struct sock *sk = (struct sock *)msk; int val; if (optlen < sizeof(int)) ...
[ 1, 0 ]