Initial commit from HTC m7ul-3.4.10-jb-crc-ddcfb8c
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
new file mode 100644
index 0000000..7937d74
--- /dev/null
+++ b/include/linux/tcp.h
@@ -0,0 +1,448 @@
+/*
+ * INET An implementation of the TCP/IP protocol suite for the LINUX
+ * operating system. INET is implemented using the BSD Socket
+ * interface as the means of communication with the user level.
+ *
+ * Definitions for the TCP protocol.
+ *
+ * Version: @(#)tcp.h 1.0.2 04/28/93
+ *
+ * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ * This program 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 of the License, or (at your option) any later version.
+ */
+#ifndef _LINUX_TCP_H
+#define _LINUX_TCP_H
+
+#include <linux/types.h>
+#include <asm/byteorder.h>
+#include <linux/socket.h>
+
+struct tcphdr {
+ __be16 source;
+ __be16 dest;
+ __be32 seq;
+ __be32 ack_seq;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u16 res1:4,
+ doff:4,
+ fin:1,
+ syn:1,
+ rst:1,
+ psh:1,
+ ack:1,
+ urg:1,
+ ece:1,
+ cwr:1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+ __u16 doff:4,
+ res1:4,
+ cwr:1,
+ ece:1,
+ urg:1,
+ ack:1,
+ psh:1,
+ rst:1,
+ syn:1,
+ fin:1;
+#else
+#error "Adjust your <asm/byteorder.h> defines"
+#endif
+ __be16 window;
+ __sum16 check;
+ __be16 urg_ptr;
+};
+
+union tcp_word_hdr {
+ struct tcphdr hdr;
+ __be32 words[5];
+};
+
+#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])
+
+enum {
+ TCP_FLAG_CWR = __constant_htonl(0x00800000),
+ TCP_FLAG_ECE = __constant_htonl(0x00400000),
+ TCP_FLAG_URG = __constant_htonl(0x00200000),
+ TCP_FLAG_ACK = __constant_htonl(0x00100000),
+ TCP_FLAG_PSH = __constant_htonl(0x00080000),
+ TCP_FLAG_RST = __constant_htonl(0x00040000),
+ TCP_FLAG_SYN = __constant_htonl(0x00020000),
+ TCP_FLAG_FIN = __constant_htonl(0x00010000),
+ TCP_RESERVED_BITS = __constant_htonl(0x0F000000),
+ TCP_DATA_OFFSET = __constant_htonl(0xF0000000)
+};
+
+#define TCP_MSS_DEFAULT 536U
+#define TCP_MSS_DESIRED 1220U
+
+#define TCP_NODELAY 1
+#define TCP_MAXSEG 2
+#define TCP_CORK 3
+#define TCP_KEEPIDLE 4
+#define TCP_KEEPINTVL 5
+#define TCP_KEEPCNT 6
+#define TCP_SYNCNT 7
+#define TCP_LINGER2 8
+#define TCP_DEFER_ACCEPT 9
+#define TCP_WINDOW_CLAMP 10
+#define TCP_INFO 11
+#define TCP_QUICKACK 12
+#define TCP_CONGESTION 13
+#define TCP_MD5SIG 14
+#define TCP_COOKIE_TRANSACTIONS 15
+#define TCP_THIN_LINEAR_TIMEOUTS 16
+#define TCP_THIN_DUPACK 17
+#define TCP_USER_TIMEOUT 18
+
+#define TCPI_OPT_TIMESTAMPS 1
+#define TCPI_OPT_SACK 2
+#define TCPI_OPT_WSCALE 4
+#define TCPI_OPT_ECN 8
+#define TCPI_OPT_ECN_SEEN 16
+
+enum tcp_ca_state {
+ TCP_CA_Open = 0,
+#define TCPF_CA_Open (1<<TCP_CA_Open)
+ TCP_CA_Disorder = 1,
+#define TCPF_CA_Disorder (1<<TCP_CA_Disorder)
+ TCP_CA_CWR = 2,
+#define TCPF_CA_CWR (1<<TCP_CA_CWR)
+ TCP_CA_Recovery = 3,
+#define TCPF_CA_Recovery (1<<TCP_CA_Recovery)
+ TCP_CA_Loss = 4
+#define TCPF_CA_Loss (1<<TCP_CA_Loss)
+};
+
+struct tcp_info {
+ __u8 tcpi_state;
+ __u8 tcpi_ca_state;
+ __u8 tcpi_retransmits;
+ __u8 tcpi_probes;
+ __u8 tcpi_backoff;
+ __u8 tcpi_options;
+ __u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
+ __u8 tcpi_count;
+
+ __u32 tcpi_rto;
+ __u32 tcpi_ato;
+ __u32 tcpi_snd_mss;
+ __u32 tcpi_rcv_mss;
+
+ __u32 tcpi_unacked;
+ __u32 tcpi_sacked;
+ __u32 tcpi_lost;
+ __u32 tcpi_retrans;
+ __u32 tcpi_fackets;
+
+
+ __u32 tcpi_last_data_sent;
+ __u32 tcpi_last_ack_sent;
+ __u32 tcpi_last_data_recv;
+ __u32 tcpi_last_ack_recv;
+
+
+ __u32 tcpi_pmtu;
+ __u32 tcpi_rcv_ssthresh;
+ __u32 tcpi_rtt;
+ __u32 tcpi_rttvar;
+ __u32 tcpi_snd_ssthresh;
+ __u32 tcpi_snd_cwnd;
+ __u32 tcpi_advmss;
+ __u32 tcpi_reordering;
+
+ __u32 tcpi_rcv_rtt;
+ __u32 tcpi_rcv_space;
+
+ __u32 tcpi_total_retrans;
+};
+
+#define TCP_MD5SIG_MAXKEYLEN 80
+
+struct tcp_md5sig {
+ struct __kernel_sockaddr_storage tcpm_addr;
+ __u16 __tcpm_pad1;
+ __u16 tcpm_keylen;
+ __u32 __tcpm_pad2;
+ __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN];
+};
+
+#define TCP_COOKIE_MIN 8
+#define TCP_COOKIE_MAX 16
+#define TCP_COOKIE_PAIR_SIZE (2*TCP_COOKIE_MAX)
+
+#define TCP_COOKIE_IN_ALWAYS (1 << 0)
+#define TCP_COOKIE_OUT_NEVER (1 << 1)
+
+#define TCP_S_DATA_IN (1 << 2)
+#define TCP_S_DATA_OUT (1 << 3)
+
+struct tcp_cookie_transactions {
+ __u16 tcpct_flags;
+ __u8 __tcpct_pad1;
+ __u8 tcpct_cookie_desired;
+ __u16 tcpct_s_data_desired;
+ __u16 tcpct_used;
+ __u8 tcpct_value[TCP_MSS_DEFAULT];
+};
+
+#ifdef __KERNEL__
+
+#include <linux/skbuff.h>
+#include <linux/dmaengine.h>
+#include <net/sock.h>
+#include <net/inet_connection_sock.h>
+#include <net/inet_timewait_sock.h>
+
+static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
+{
+ return (struct tcphdr *)skb_transport_header(skb);
+}
+
+static inline unsigned int tcp_hdrlen(const struct sk_buff *skb)
+{
+ return tcp_hdr(skb)->doff * 4;
+}
+
+static inline unsigned int tcp_optlen(const struct sk_buff *skb)
+{
+ return (tcp_hdr(skb)->doff - 5) * 4;
+}
+
+struct tcp_sack_block_wire {
+ __be32 start_seq;
+ __be32 end_seq;
+};
+
+struct tcp_sack_block {
+ u32 start_seq;
+ u32 end_seq;
+};
+
+#define TCP_SACK_SEEN (1 << 0)
+#define TCP_FACK_ENABLED (1 << 1)
+#define TCP_DSACK_SEEN (1 << 2)
+
+struct tcp_options_received {
+ long ts_recent_stamp;
+ u32 ts_recent;
+ u32 rcv_tsval;
+ u32 rcv_tsecr;
+ u16 saw_tstamp : 1,
+ tstamp_ok : 1,
+ dsack : 1,
+ wscale_ok : 1,
+ sack_ok : 4,
+ snd_wscale : 4,
+ rcv_wscale : 4;
+ u8 cookie_plus:6,
+ cookie_out_never:1,
+ cookie_in_always:1;
+ u8 num_sacks;
+ u16 user_mss;
+ u16 mss_clamp;
+};
+
+static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
+{
+ rx_opt->tstamp_ok = rx_opt->sack_ok = 0;
+ rx_opt->wscale_ok = rx_opt->snd_wscale = 0;
+ rx_opt->cookie_plus = 0;
+}
+
+#define TCP_NUM_SACKS 4
+
+struct tcp_cookie_values;
+struct tcp_request_sock_ops;
+
+struct tcp_request_sock {
+ struct inet_request_sock req;
+#ifdef CONFIG_TCP_MD5SIG
+
+ const struct tcp_request_sock_ops *af_specific;
+#endif
+ u32 rcv_isn;
+ u32 snt_isn;
+ u32 snt_synack;
+};
+
+static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req)
+{
+ return (struct tcp_request_sock *)req;
+}
+
+struct tcp_sock {
+
+ struct inet_connection_sock inet_conn;
+ u16 tcp_header_len;
+ u16 xmit_size_goal_segs;
+
+ __be32 pred_flags;
+
+ u32 rcv_nxt;
+ u32 copied_seq;
+ u32 rcv_wup;
+ u32 snd_nxt;
+
+ u32 snd_una;
+ u32 snd_sml;
+ u32 rcv_tstamp;
+ u32 lsndtime;
+
+
+ struct {
+ struct sk_buff_head prequeue;
+ struct task_struct *task;
+ struct iovec *iov;
+ int memory;
+ int len;
+#ifdef CONFIG_NET_DMA
+
+ struct dma_chan *dma_chan;
+ int wakeup;
+ struct dma_pinned_list *pinned_list;
+ dma_cookie_t dma_cookie;
+#endif
+ } ucopy;
+
+ u32 snd_wl1;
+ u32 snd_wnd;
+ u32 max_window;
+ u32 mss_cache;
+
+ u32 window_clamp;
+ u32 rcv_ssthresh;
+
+ u32 frto_highmark;
+ u16 advmss;
+ u8 frto_counter;
+ u8 nonagle : 4,
+ thin_lto : 1,
+ thin_dupack : 1,
+ unused : 2;
+
+ u32 srtt;
+ u32 mdev;
+ u32 mdev_max;
+ u32 rttvar;
+ u32 rtt_seq;
+
+ u32 packets_out;
+ u32 retrans_out;
+
+ u16 urg_data;
+ u8 ecn_flags;
+ u8 reordering;
+ u32 snd_up;
+
+ u8 keepalive_probes;
+ struct tcp_options_received rx_opt;
+
+ u32 snd_ssthresh;
+ u32 snd_cwnd;
+ u32 snd_cwnd_cnt;
+ u32 snd_cwnd_clamp;
+ u32 snd_cwnd_used;
+ u32 snd_cwnd_stamp;
+ u32 prior_cwnd;
+ u32 prr_delivered;
+ u32 prr_out;
+
+ u32 rcv_wnd;
+ u32 write_seq;
+ u32 pushed_seq;
+ u32 lost_out;
+ u32 sacked_out;
+ u32 fackets_out;
+ u32 tso_deferred;
+ u32 bytes_acked;
+
+
+ struct sk_buff* lost_skb_hint;
+ struct sk_buff *scoreboard_skb_hint;
+ struct sk_buff *retransmit_skb_hint;
+
+ struct sk_buff_head out_of_order_queue;
+
+
+ struct tcp_sack_block duplicate_sack[1];
+ struct tcp_sack_block selective_acks[4];
+
+ struct tcp_sack_block recv_sack_cache[4];
+
+ struct sk_buff *highest_sack;
+
+ int lost_cnt_hint;
+ u32 retransmit_high;
+
+ u32 lost_retrans_low;
+
+ u32 prior_ssthresh;
+ u32 high_seq;
+
+ u32 retrans_stamp;
+ u32 undo_marker;
+ int undo_retrans;
+ u32 total_retrans;
+
+ u32 urg_seq;
+ unsigned int keepalive_time;
+ unsigned int keepalive_intvl;
+
+ int linger2;
+
+ struct {
+ u32 rtt;
+ u32 seq;
+ u32 time;
+ } rcv_rtt_est;
+
+ struct {
+ int space;
+ u32 seq;
+ u32 time;
+ } rcvq_space;
+
+ struct {
+ u32 probe_seq_start;
+ u32 probe_seq_end;
+ } mtu_probe;
+
+#ifdef CONFIG_TCP_MD5SIG
+ const struct tcp_sock_af_ops *af_specific;
+
+ struct tcp_md5sig_info __rcu *md5sig_info;
+#endif
+
+ struct tcp_cookie_values *cookie_values;
+};
+
+static inline struct tcp_sock *tcp_sk(const struct sock *sk)
+{
+ return (struct tcp_sock *)sk;
+}
+
+struct tcp_timewait_sock {
+ struct inet_timewait_sock tw_sk;
+ u32 tw_rcv_nxt;
+ u32 tw_snd_nxt;
+ u32 tw_rcv_wnd;
+ u32 tw_ts_recent;
+ long tw_ts_recent_stamp;
+#ifdef CONFIG_TCP_MD5SIG
+ struct tcp_md5sig_key *tw_md5_key;
+#endif
+ struct tcp_cookie_values *tw_cookie_values;
+};
+
+static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk)
+{
+ return (struct tcp_timewait_sock *)sk;
+}
+
+#endif
+
+#endif