/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. */ #pragma D depends_on module unix #pragma D depends_on provider tcp inline int TH_FIN = @TH_FIN@; #pragma D binding "1.6.3" TH_FIN inline int TH_SYN = @TH_SYN@; #pragma D binding "1.6.3" TH_SYN inline int TH_RST = @TH_RST@; #pragma D binding "1.6.3" TH_RST inline int TH_PUSH = @TH_PUSH@; #pragma D binding "1.6.3" TH_PUSH inline int TH_ACK = @TH_ACK@; #pragma D binding "1.6.3" TH_ACK inline int TH_URG = @TH_URG@; #pragma D binding "1.6.3" TH_URG inline int TH_ECE = @TH_ECE@; #pragma D binding "1.6.3" TH_ECE inline int TH_CWR = @TH_CWR@; #pragma D binding "1.6.3" TH_CWR inline int32_t TCP_STATE_CLOSED = @TCPS_CLOSED@; #pragma D binding "1.6.3" TCP_STATE_CLOSED inline int32_t TCP_STATE_IDLE = @TCPS_IDLE@; #pragma D binding "1.6.3" TCP_STATE_IDLE inline int32_t TCP_STATE_BOUND = @TCPS_BOUND@; #pragma D binding "1.6.3" TCP_STATE_BOUND inline int32_t TCP_STATE_LISTEN = @TCPS_LISTEN@; #pragma D binding "1.6.3" TCP_STATE_LISTEN inline int32_t TCP_STATE_SYN_SENT = @TCPS_SYN_SENT@; #pragma D binding "1.6.3" TCP_STATE_SYN_SENT inline int32_t TCP_STATE_SYN_RECEIVED = @TCPS_SYN_RCVD@; #pragma D binding "1.6.3" TCP_STATE_SYN_RECEIVED inline int32_t TCP_STATE_ESTABLISHED = @TCPS_ESTABLISHED@; #pragma D binding "1.6.3" TCP_STATE_ESTABLISHED inline int32_t TCP_STATE_CLOSE_WAIT = @TCPS_CLOSE_WAIT@; #pragma D binding "1.6.3" TCP_STATE_CLOSE_WAIT inline int32_t TCP_STATE_FIN_WAIT_1 = @TCPS_FIN_WAIT_1@; #pragma D binding "1.6.3" TCP_STATE_FIN_WAIT_1 inline int32_t TCP_STATE_CLOSING = @TCPS_CLOSING@; #pragma D binding "1.6.3" TCP_STATE_CLOSING inline int32_t TCP_STATE_LAST_ACK = @TCPS_LAST_ACK@; #pragma D binding "1.6.3" TCP_STATE_LAST_ACK inline int32_t TCP_STATE_FIN_WAIT_2 = @TCPS_FIN_WAIT_2@; #pragma D binding "1.6.3" TCP_STATE_FIN_WAIT_2 inline int32_t TCP_STATE_TIME_WAIT = @TCPS_TIME_WAIT@; #pragma D binding "1.6.3" TCP_STATE_TIME_WAIT /* * Convert a TCP state value to a string. */ inline string tcp_state_string[int32_t state] = state == TCP_STATE_CLOSED ? "state-closed" : state == TCP_STATE_IDLE ? "state-idle" : state == TCP_STATE_BOUND ? "state-bound" : state == TCP_STATE_LISTEN ? "state-listen" : state == TCP_STATE_SYN_SENT ? "state-syn-sent" : state == TCP_STATE_SYN_RECEIVED ? "state-syn-received" : state == TCP_STATE_ESTABLISHED ? "state-established" : state == TCP_STATE_CLOSE_WAIT ? "state-close-wait" : state == TCP_STATE_FIN_WAIT_1 ? "state-fin-wait-1" : state == TCP_STATE_CLOSING ? "state-closing" : state == TCP_STATE_LAST_ACK ? "state-last-ack" : state == TCP_STATE_FIN_WAIT_2 ? "state-fin-wait-2" : state == TCP_STATE_TIME_WAIT ? "state-time-wait" : ""; #pragma D binding "1.6.3" tcp_state_string /* * tcpinfo is the TCP header fields. */ typedef struct tcpinfo { uint16_t tcp_sport; /* source port */ uint16_t tcp_dport; /* destination port */ uint32_t tcp_seq; /* sequence number */ uint32_t tcp_ack; /* acknowledgment number */ uint8_t tcp_offset; /* data offset, in bytes */ uint8_t tcp_flags; /* flags */ uint16_t tcp_window; /* window size */ uint16_t tcp_checksum; /* checksum */ uint16_t tcp_urgent; /* urgent data pointer */ tcph_t *tcp_hdr; /* raw TCP header */ } tcpinfo_t; /* * tcpsinfo contains stable TCP details from tcp_t. */ typedef struct tcpsinfo { uintptr_t tcps_addr; int tcps_local; /* is delivered locally, boolean */ int tcps_active; /* active open (from here), boolean */ uint16_t tcps_lport; /* local port */ uint16_t tcps_rport; /* remote port */ string tcps_laddr; /* local address, as a string */ string tcps_raddr; /* remote address, as a string */ int32_t tcps_state; /* TCP state */ uint32_t tcps_iss; /* Initial sequence # sent */ uint32_t tcps_suna; /* sequence # sent but unacked */ uint32_t tcps_snxt; /* next sequence # to send */ uint32_t tcps_rack; /* sequence # we have acked */ uint32_t tcps_rnxt; /* next sequence # expected */ uint32_t tcps_swnd; /* send window size */ int32_t tcps_snd_ws; /* send window scaling */ uint32_t tcps_rwnd; /* receive window size */ int32_t tcps_rcv_ws; /* receive window scaling */ uint32_t tcps_cwnd; /* congestion window */ uint32_t tcps_cwnd_ssthresh; /* threshold for congestion avoidance */ uint32_t tcps_sack_fack; /* SACK sequence # we have acked */ uint32_t tcps_sack_snxt; /* next SACK seq # for retransmission */ uint32_t tcps_rto; /* round-trip timeout, msec */ uint32_t tcps_mss; /* max segment size */ int tcps_retransmit; /* retransmit send event, boolean */ } tcpsinfo_t; /* * tcplsinfo provides the old tcp state for state changes. */ typedef struct tcplsinfo { int32_t tcps_state; /* previous TCP state */ } tcplsinfo_t; /* * __dtrace_tcp_tcph_t is used by the tcpinfo_t * translator to take either * the non-NULL tcph_t * passed in or, if it is NULL, uses arg3 (tcp_t *) * from the tcp:::send and tcp:::recieve probes and translates the tcp_t * * into the tcpinfo_t. When no headers are available - as is the case for * TCP fusion tcp:::send and tcp:::receive - this allows us to present the * consumer with header data based on tcp_t * content and hide TCP fusion * implementation details. */ typedef tcph_t * __dtrace_tcp_tcph_t; #pragma D binding "1.6.3" translator translator tcpinfo_t < tcph_t *T > { tcp_sport = ntohs(*(uint16_t *)T->th_lport); tcp_dport = ntohs(*(uint16_t *)T->th_fport); tcp_seq = ntohl(*(uint32_t *)T->th_seq); tcp_ack = ntohl(*(uint32_t *)T->th_ack); tcp_offset = (*(uint8_t *)T->th_offset_and_rsrvd & 0xf0) >> 2; tcp_flags = *(uint8_t *)T->th_flags; tcp_window = ntohs(*(uint16_t *)T->th_win); tcp_checksum = ntohs(*(uint16_t *)T->th_sum); tcp_urgent = ntohs(*(uint16_t *)T->th_urp); tcp_hdr = T; }; #pragma D binding "1.6.3" translator translator tcpinfo_t < __dtrace_tcp_tcph_t *T > { tcp_sport = T != NULL ? ntohs(*(uint16_t *)((tcph_t *)T)->th_lport) : arg3 != NULL && probename == "send" ? ntohs(((tcp_t *)arg3)->tcp_connp->u_port.connu_ports.connu_lport) : arg3 != NULL && probename == "receive" ? ntohs(((tcp_t *)arg3)->tcp_connp->u_port.connu_ports.connu_fport) : 0; tcp_dport = T != NULL ? ntohs(*(uint16_t *)((tcph_t *)T)->th_fport) : arg3 != NULL && probename == "send" ? ntohs(((tcp_t *)arg3)->tcp_connp->u_port.connu_ports.connu_fport) : arg3 != NULL && probename == "receive" ? ntohs(((tcp_t *)arg3)->tcp_connp->u_port.connu_ports.connu_lport) : 0; tcp_seq = T != NULL ? ntohl(*(uint32_t *)((tcph_t *)T)->th_seq) : arg3 != NULL && probename == "send" ? ((tcp_t *)arg3)->tcp_snxt - ((tcp_t *)arg3)->tcp_last_sent_len : arg3 != NULL && probename == "receive" ? ((tcp_t *)arg3)->tcp_rnxt - ((tcp_t *)arg3)->tcp_last_recv_len : 0; tcp_ack = T != NULL ? ntohl(*(uint32_t *)((tcph_t *)T)->th_ack) : arg3 != NULL && probename == "send" ? ((tcp_t *)arg3)->tcp_rnxt : arg3 != NULL && probename == "receive" ? ((tcp_t *)arg3)->tcp_snxt : 0; tcp_offset = T != NULL ? (*(uint8_t *)((tcph_t *)T)->th_offset_and_rsrvd & 0xf0) >> 2 : @TCP_MIN_HEADER_LENGTH@; tcp_flags = T != NULL ? *(uint8_t *)((tcph_t *)T)->th_flags : TH_ACK; tcp_window = T != NULL ? ntohs(*(uint16_t *)((tcph_t *)T)->th_win) : arg3 != NULL ? ((tcp_t *)arg3)->tcp_swnd : 0; tcp_checksum = T != NULL ? ntohs(*(uint16_t *)((tcph_t *)T)->th_sum) : 0; tcp_urgent = T != NULL ? ntohs(*(uint16_t *)((tcph_t *)T)->th_urp) : 0; tcp_hdr = NULL; }; #pragma D binding "1.6.3" translator translator tcpsinfo_t < tcp_t *T > { tcps_addr = (uintptr_t)T; /* * The following two members should just use tcp_t->tcp_loopback * and tcp_t->tcp_active_open, however these are bit fields and * can't be used until CR 6876830 is fixed. Meanwhile we source * them a different way. */ tcps_local = T ? T->tcp_ipha ? T->tcp_ipha->ipha_src == T->tcp_ipha->ipha_dst : 1 : 0; tcps_active = T ? !T->tcp_saved_listener : 0; tcps_lport = T ? ntohs(T->tcp_connp->u_port.connu_ports.connu_lport) : 0; tcps_rport = T ? ntohs(T->tcp_connp->u_port.connu_ports.connu_fport) : 0; tcps_laddr = T ? inet_ntoa6(&T->tcp_connp->connua_v6addr.connua_laddr) : ""; tcps_raddr = T ? inet_ntoa6(&T->tcp_connp->connua_v6addr.connua_faddr) : ""; tcps_state = T ? T->tcp_state : TCP_STATE_CLOSED; tcps_iss = T ? T->tcp_iss : 0; tcps_suna = T ? T->tcp_suna : 0; tcps_snxt = T ? T->tcp_snxt : 0; tcps_rack = T ? T->tcp_rack : 0; tcps_rnxt = T ? T->tcp_rnxt : 0; tcps_swnd = T ? T->tcp_swnd : 0; tcps_snd_ws = T ? T->tcp_snd_ws : 0; tcps_rwnd = T ? T->tcp_rwnd : 0; tcps_rcv_ws = T ? T->tcp_rcv_ws : 0; tcps_cwnd = T ? T->tcp_cwnd : 0; tcps_cwnd_ssthresh = T ? T->tcp_cwnd_ssthresh : 0; tcps_sack_fack = T ? T->tcp_sack_info.tcp_fack : 0; tcps_sack_snxt = T ? T->tcp_sack_info.tcp_sack_snxt : 0; tcps_rto = T ? T->tcp_rto : 0; tcps_mss = T ? T->tcp_mss : 0; /* * Determine if send is a retransmission by comparing the seq # to * tcp_rexmit_nxt/tcp_rexmit_max - if the value is >= rexmit_nxt and * < rexmit_max, this is a retransmission. Cannot use tcp_rexmit * bitfield value due to CR 6876830. */ tcps_retransmit = T && probename == "send" && arg4 != NULL && ntohl(*(uint32_t *)((tcph_t *)arg4)->th_seq) >= T->tcp_rexmit_nxt && ntohl(*(uint32_t *)((tcph_t *)arg4)->th_seq) < T->tcp_rexmit_max ? 1 : 0; }; /* * Note: although we specify that the old state argument used as the * input to the tcplsinfo_t translator is an int32_t, it reaches us as an * int64_t (since it is a probe argument) so explicitly cast it back to * interpret the negatively-valued states correctly. */ #pragma D binding "1.6.3" translator translator tcplsinfo_t < int64_t I > { tcps_state = (int32_t) I; };