From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [Bridge] maximum throughput for linux bridge From: "Paul P. Pongco" In-Reply-To: <402D1112.4040902@osdl.org> References: <1076657825.735.72.camel@amidala.mozcom.com> <402D1112.4040902@osdl.org> Content-Type: text/plain Message-Id: <1076942173.741.88.camel@amidala.mozcom.com> Mime-Version: 1.0 Date: Mon, 16 Feb 2004 22:36:14 +0800 Content-Transfer-Encoding: 7bit List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stephen Hemminger Cc: linux-net@vger.kernel.org, bridge@osdl.org Thanks for your reply. > > > It is not a bridge problem, just that bridging puts more stress on the > network driver. Yep, i really suspected it was something with the 3com card. Found something on the bridge FAQ regarding 3com cards (setting interrupt_work=10000). If you have additional options such as indicated on the bridge FAQ available that you know or links that discuss this please let me know. > > The problem is that the 3c905 cards don't support interrupt mitigation, > so when lots > of network traffic hits, they drop data. The 3c59x driver allocates and > copies every > received frame in the interrupt routine. What is needed is a new driver > that does NAPI > (any volunteers)? would you know of any network card that can work as a bridge and at the same time has NAPI drivers? -- Cheers, Paul P. Pongco Mosaic Communications Inc.