Differential D45419 Diff 139253 sys/netinet/tcp_subr.c

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sys/netinet/tcp_subr.c

Show First 20 Lines • Show All 353 Lines • ▼ Show 20 Lines	static struct tcp_function_block tcp_def_funcblk = {
.tfb_tcp_block_name = "freebsd",		.tfb_tcp_block_name = "freebsd",
.tfb_tcp_output = tcp_default_output,		.tfb_tcp_output = tcp_default_output,
.tfb_tcp_do_segment = tcp_do_segment,		.tfb_tcp_do_segment = tcp_do_segment,
.tfb_tcp_ctloutput = tcp_default_ctloutput,		.tfb_tcp_ctloutput = tcp_default_ctloutput,
.tfb_tcp_handoff_ok = tcp_default_handoff_ok,		.tfb_tcp_handoff_ok = tcp_default_handoff_ok,
.tfb_tcp_fb_init = tcp_default_fb_init,		.tfb_tcp_fb_init = tcp_default_fb_init,
.tfb_tcp_fb_fini = tcp_default_fb_fini,		.tfb_tcp_fb_fini = tcp_default_fb_fini,
.tfb_switch_failed = tcp_default_switch_failed,		.tfb_switch_failed = tcp_default_switch_failed,
		.tfb_flags = TCP_FUNC_DEFAULT_OK,
};		};

static int tcp_fb_cnt = 0;		static int tcp_fb_cnt = 0;
struct tcp_funchead t_functions;		struct tcp_funchead t_functions;
VNET_DEFINE_STATIC(struct tcp_function_block *, tcp_func_set_ptr) = &tcp_def_funcblk;		VNET_DEFINE_STATIC(struct tcp_function_block *, tcp_func_set_ptr) = &tcp_def_funcblk;
#define V_tcp_func_set_ptr VNET(tcp_func_set_ptr)		#define V_tcp_func_set_ptr VNET(tcp_func_set_ptr)

void		void
▲ Show 20 Lines • Show All 300 Lines • ▼ Show 20 Lines	sysctl_net_inet_default_tcp_functions(SYSCTL_HANDLER_ARGS)
if (error != 0 \|\| req->newptr == NULL)		if (error != 0 \|\| req->newptr == NULL)
return(error);		return(error);

rw_wlock(&tcp_function_lock);		rw_wlock(&tcp_function_lock);
blk = find_tcp_functions_locked(&fs);		blk = find_tcp_functions_locked(&fs);
if ((blk == NULL) \|\|		if ((blk == NULL) \|\|
(blk->tfb_flags & TCP_FUNC_BEING_REMOVED)) {		(blk->tfb_flags & TCP_FUNC_BEING_REMOVED)) {
error = ENOENT;		error = ENOENT;
		goto done;
		}
		if ((blk->tfb_flags & TCP_FUNC_DEFAULT_OK) == 0) {
		error = EINVAL;
goto done;		goto done;
}		}
V_tcp_func_set_ptr = blk;		V_tcp_func_set_ptr = blk;
done:		done:
rw_wunlock(&tcp_function_lock);		rw_wunlock(&tcp_function_lock);
return (error);		return (error);
}		}

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