Subject: Re: Ethernet frame padding changes
To: None <>
From: Izumi Tsutsui <>
List: tech-kern
Date: 07/06/2004 22:34:38
In article <> wrote:

> * rtl81x9.c and if_vr.c force a copy of every packet that's padded.

These chips require that each packet is 4-byte aligned
((mtod(m_head, uintptr_t) & 3) == 0) to DMA, and I wonder
how much mbufs which have data less than ETHER_PAD_LEN are
4-byte aligned...
Izumi Tsutsui