| To: | Ben Greear <greearb@xxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [e1000 2.6 10/11] TxDescriptors -> 1024 default |
| From: | "David S. Miller" <davem@xxxxxxxxxx> |
| Date: | Thu, 11 Sep 2003 14:07:46 -0700 |
| Cc: | jgarzik@xxxxxxxxx, scott.feldman@xxxxxxxxx, netdev@xxxxxxxxxxx, ricardoz@xxxxxxxxxx |
| In-reply-to: | <3F60DDCC.5020906@xxxxxxxxxxxxxxx> |
| References: | <Pine.LNX.4.44.0309081953510.1261-100000@xxxxxxxxxxxxxxxxxxxxx> <3F60CA6D.9090503@xxxxxxxxx> <3F60D0F3.8080006@xxxxxxxxxxxxxxx> <20030911131219.0ab8dfdd.davem@xxxxxxxxxx> <3F60DDCC.5020906@xxxxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Thu, 11 Sep 2003 13:40:44 -0700 Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: > So, assume we configure a 10MB socket send queue on our UDP socket... > > Select says its writable up to at least 5MB. > > We write 5MB of 64byte packets "righ now". > > Did we just drop a large number of packets? Yes, we did _iff_ dev->tx_queue_len is less than or equal to (5MB / (64 + sizeof(udp_id_headers))). |
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