From f18beba3cb3d85ed6e0f44fdff9256c50adcc5e1 Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Sun, 6 Oct 2024 11:12:16 +0200
Subject: Kernel/Networking: Modify outgoing packet in place

This avoids creation of new buffers and unnecessary memcpys. The old
interface still exists for UDP but will be removed when I am less lazy.

From testing it does not appear to have any performance improvement but
this is most likely due to other bottlenecks as extra copies should
always be worse.
---
 kernel/drivers/rtl8139.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'kernel/drivers/rtl8139.h')

diff --git a/kernel/drivers/rtl8139.h b/kernel/drivers/rtl8139.h
index c61e6de..ebefd77 100644
--- a/kernel/drivers/rtl8139.h
+++ b/kernel/drivers/rtl8139.h
@@ -2,3 +2,5 @@
 void get_mac_address(u8 mac[6]);
 void rtl8139_init(void);
 void rtl8139_send_data(u8 *data, u16 data_size);
+u8 *nic_get_buffer(void);
+void nic_send_buffer(u16 data_size);
-- 
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