diff options
Diffstat (limited to 'sys/netinet/tcp_subr.c')
| -rw-r--r-- | sys/netinet/tcp_subr.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index e6fdb7d..ddbd129 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -263,9 +263,20 @@ static struct tcp_function_block tcp_def_funcblk = { 0 }; +int t_functions_inited = 0; struct tcp_funchead t_functions; static struct tcp_function_block *tcp_func_set_ptr = &tcp_def_funcblk; +static void +init_tcp_functions(void) +{ + if (t_functions_inited == 0) { + TAILQ_INIT(&t_functions); + rw_init_flags(&tcp_function_lock, "tcp_func_lock" , 0); + t_functions_inited = 1; + } +} + static struct tcp_function_block * find_tcp_functions_locked(struct tcp_function_set *fs) { @@ -503,6 +514,9 @@ register_tcp_functions(struct tcp_function_block *blk, int wait) struct tcp_function *n; struct tcp_function_set fs; + if (t_functions_inited == 0) { + init_tcp_functions(); + } if ((blk->tfb_tcp_output == NULL) || (blk->tfb_tcp_do_segment == NULL) || (blk->tfb_tcp_ctloutput == NULL) || @@ -681,8 +695,7 @@ tcp_init(void) tcp_finwait2_timeout = TCPTV_FINWAIT2_TIMEOUT; tcp_tcbhashsize = hashsize; /* Setup the tcp function block list */ - TAILQ_INIT(&t_functions); - rw_init_flags(&tcp_function_lock, "tcp_func_lock" , 0); + init_tcp_functions(); register_tcp_functions(&tcp_def_funcblk, M_WAITOK); if (tcp_soreceive_stream) { |
