Differential D11085 Diff 29304 sys/netinet/tcp_usrreq.c

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sys/netinet/tcp_usrreq.c

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	#include <netinet/tcp_seq.h>	#include <netinet/tcp_seq.h>
	#include <netinet/tcp_timer.h>	#include <netinet/tcp_timer.h>
	#include <netinet/tcp_var.h>	#include <netinet/tcp_var.h>
		#include <netinet/tcp_log_buf.h>
	#include <netinet/tcpip.h>	#include <netinet/tcpip.h>
	#include <netinet/cc/cc.h>	#include <netinet/cc/cc.h>
	#ifdef TCPPCAP	#ifdef TCPPCAP
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	return (tp->t_fb->tfb_tcp_ctloutput(so, sopt, inp, tp));	return (tp->t_fb->tfb_tcp_ctloutput(so, sopt, inp, tp));
	}	}

		/*
		* If this assert becomes untrue, we need to change the size of the buf
		* variable in tcp_default_ctloutput().
		*/
		#ifdef CTASSERT
		CTASSERT(TCP_CA_NAME_MAX <= TCP_LOG_ID_LEN);
		CTASSERT(TCP_LOG_REASON_LEN <= TCP_LOG_ID_LEN);
		#endif

	int	int
	tcp_default_ctloutput(struct socket so, struct sockopt sopt, struct inpcb inp, struct tcpcb tp)	tcp_default_ctloutput(struct socket so, struct sockopt sopt, struct inpcb inp, struct tcpcb tp)
	{	{
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	u_int ui;	u_int ui;
	struct tcp_info ti;	struct tcp_info ti;
	struct cc_algo *algo;	struct cc_algo *algo;
	char *pbuf, buf[TCP_CA_NAME_MAX];	char *pbuf, buf[TCP_LOG_ID_LEN];
	size_t len;	size_t len;

	/*	/*
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	goto unlock_and_done;	goto unlock_and_done;
	#endif	#endif

		case TCP_LOG:
		INP_WUNLOCK(inp);
		error = sooptcopyin(sopt, &optval, sizeof optval,
		sizeof optval);
		if (error)
		return (error);

		INP_WLOCK_RECHECK(inp);
		error = tcp_log_state_change(tp, optval);
		goto unlock_and_done;

		case TCP_LOGBUF:
		INP_WUNLOCK(inp);
		error = EINVAL;
		break;

		case TCP_LOGID:
		INP_WUNLOCK(inp);
		error = sooptcopyin(sopt, buf, TCP_LOG_ID_LEN - 1, 0);
		if (error)
		break;
		buf[sopt->sopt_valsize] = '\0';
		INP_WLOCK_RECHECK(inp);
		error = tcp_log_set_id(tp, buf);
		/* tcp_log_set_id() unlocks the INP. */
		break;

		case TCP_LOGDUMP:
		case TCP_LOGDUMPID:
		INP_WUNLOCK(inp);
		error =
		sooptcopyin(sopt, buf, TCP_LOG_REASON_LEN - 1, 0);
		if (error)
		break;
		buf[sopt->sopt_valsize] = '\0';
		INP_WLOCK_RECHECK(inp);
		if (sopt->sopt_name == TCP_LOGDUMP) {
		error = tcp_log_dump_tp_logbuf(tp, buf,
		M_WAITOK, true);
		INP_WUNLOCK(inp);
		} else {
		tcp_log_dump_tp_bucket_logbufs(tp, buf);
		/*
		* tcp_log_dump_tp_bucket_logbufs() drops the
		* INP lock.
		*/
		}
		break;

	default:	default:
	INP_WUNLOCK(inp);	INP_WUNLOCK(inp);
	error = ENOPROTOOPT;	error = ENOPROTOOPT;
Context not available.
	error = sooptcopyout(sopt, &optval, sizeof optval);	error = sooptcopyout(sopt, &optval, sizeof optval);
	break;	break;
	#endif	#endif
		case TCP_LOG:
		optval = tp->t_logstate;
		INP_WUNLOCK(inp);
		error = sooptcopyout(sopt, &optval, sizeof(optval));
		break;

		case TCP_LOGBUF:
		/* tcp_log_getlogbuf() does INP_WUNLOCK(inp) */
		error = tcp_log_getlogbuf(sopt, tp);
		break;

		case TCP_LOGID:
		len = tcp_log_get_id(tp, buf);
		INP_WUNLOCK(inp);
		error = sooptcopyout(sopt, buf, len + 1);
		break;

		case TCP_LOGDUMP:
		case TCP_LOGDUMPID:
		INP_WUNLOCK(inp);
		error = EINVAL;
		break;

	default:	default:
	INP_WUNLOCK(inp);	INP_WUNLOCK(inp);
	error = ENOPROTOOPT;	error = ENOPROTOOPT;
Context not available.