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authorMichael I. Bushnell <mib@gnu.org>1995-08-17 18:07:59 +0000
committerMichael I. Bushnell <mib@gnu.org>1995-08-17 18:07:59 +0000
commitdf1a6442d470db1cc6cdf38f7ed74f4e98e00c86 (patch)
tree9b78af828a58ae8bc9020b3716c8abad9fcb3bf4 /pfinet/ethernet.c
parent2f1ad5d86373356f5ac22df95a0b6a2751cc0dbf (diff)
Initial revision
Diffstat (limited to 'pfinet/ethernet.c')
-rw-r--r--pfinet/ethernet.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/pfinet/ethernet.c b/pfinet/ethernet.c
new file mode 100644
index 00000000..4f01b4ae
--- /dev/null
+++ b/pfinet/ethernet.c
@@ -0,0 +1,53 @@
+/*
+ Copyright (C) 1995 Free Software Foundation, Inc.
+ Written by Michael I. Bushnell, p/BSG.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ The GNU Hurd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+
+device_t etherdevice;
+
+void
+ethernet_main_loop (void)
+{
+ error_t err;
+ vm_address_t packet;
+ vm_size_t packetlen;
+
+ /* Listen to packets forever. When one arrives,
+ it's an "interrupt", so drop to interrupt layer, and call
+ the generic code. */
+ for (;;)
+ {
+ err = device_read (etherdevice, 0, 0, vm_page_size, &packet,
+ &packetlen);
+ if (err)
+ {
+ perror ("Reading from ethernet");
+ continue;
+ }
+
+
+
+
+
+
+void
+start_ethernet (void)
+{
+ cthread_detach (cthread_fork ((cthread_fn_t) ethernet_main_loop, 0));
+}