Function sctp_lower_sosend

freebsd/netinet/sctp_output.c:12456–13698

}

int
sctp_lower_sosend(struct socket *so,
    struct sockaddr *addr,
    struct uio *uio,
    struct mbuf *i_pak,
    struct mbuf *control,
    int flags,
    struct sctp_sndrcvinfo *srcv
    ,
    struct thread *p
)
{
	struct epoch_tracker et;
	ssize_t sndlen = 0, max_len, local_add_more;
	int error, len;
	struct mbuf *top = NULL;
	int queue_only = 0, queue_only_for_init = 0;
	int free_cnt_applied = 0;
	int un_sent;
	int now_filled = 0;
	unsigned int inqueue_bytes = 0;
	struct sctp_block_entry be;
	struct sctp_inpcb *inp;
	struct sctp_tcb *stcb = NULL;
	struct timeval now;
	struct sctp_nets *net;
	struct sctp_association *asoc;
	struct sctp_inpcb *t_inp;
	int user_marks_eor;
	int create_lock_applied = 0;
	int nagle_applies = 0;
	int some_on_control = 0;
	int got_all_of_the_send = 0;
	int hold_tcblock = 0;
	int non_blocking = 0;
	ssize_t local_soresv = 0;
	uint16_t port;
	uint16_t sinfo_flags;
	sctp_assoc_t sinfo_assoc_id;

	error = 0;
	net = NULL;
	stcb = NULL;
	asoc = NULL;

	t_inp = inp = (struct sctp_inpcb *)so->so_pcb;
	if (inp == NULL) {
		SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_OUTPUT, EINVAL);
		error = EINVAL;
		if (i_pak) {
			SCTP_RELEASE_PKT(i_pak);
		}
		return (error);
	}
	if ((uio == NULL) && (i_pak == NULL)) {
		SCTP_LTRACE_ERR_RET(inp, stcb, net, SCTP_FROM_SCTP_OUTPUT, EINVAL);
		return (EINVAL);
	}