From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
To: jgarzik@pobox.com, netdev@vger.kernel.org
Subject: [PATCH] Documentation: add a guideline for hard_start_xmit method not to modify SKB
Date: Sat, 22 Dec 2007 18:22:09 +0100 (CET) [thread overview]
Message-ID: <110604.81450.qm@web52011.mail.re2.yahoo.com> (raw)
From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
Add a guideline for hard_start_xmit method not to
modify SKB.
Signed-off-by: Matti Linnanvuori
<mattilinnanvuori@yahoo.com>
---
--- a/Documentation/networking/driver.txt 2007-12-22
18:50:28.062169500 +0200
+++ b/Documentation/networking/driver.txt 2007-12-22
19:10:58.726566000 +0200
@@ -74,6 +74,9 @@ Transmit path guidelines:
If you return 1 from the hard_start_xmit method,
you must not keep
any reference to that SKB and you must not attempt
to free it up.
+4) A hard_start_xmit method must not modify the
cloned parts of the
+ SKB.
+
Probing guidelines:
1) Any hardware layer address you obtain for your
device should
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next reply other threads:[~2007-12-22 17:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-22 17:22 Matti Linnanvuori [this message]
2008-01-12 22:27 ` [PATCH] Documentation: add a guideline for hard_start_xmit method not to modify SKB Jeff Garzik
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