On 10/20/2015 12:43 AM, Stephen Hemminger wrote: > On Mon, 19 Oct 2015 16:28:30 +0000 > "Xie, Huawei" <huawei.xie at intel.com> wrote: > >> On 10/19/2015 1:16 PM, Stephen Hemminger wrote: >>> Virtio supports a feature that allows sender to put transmit >>> header prepended to data. It requires that the mbuf be writeable, correct >>> alignment, and the feature has been negotiatied. If all this works out, >>> then it will be the optimum way to transmit a single segment packet. >> "When using legacy interfaces, transitional drivers which have not >> negotiated VIRTIO_F_ANY_LAYOUT >> MUST use a single descriptor for the struct virtio_net_hdr on both >> transmit and receive, with the >> network data in the following descriptors." > The code checks for the any layout feature, what is the problem? My reply is removed. I said virtio RX is already implemented using this feature by default without negotiation(at the time of implementation, no idea of this feature), is the RX implementation wrong?
- [dpdk-dev] [PATCH 1/5] virtio: clean up spa... Xie, Huawei
- [dpdk-dev] [PATCH 2/5] virtio: don't use unlikely for no... Stephen Hemminger
- [dpdk-dev] [PATCH 3/5] virtio: use indirect ring element... Stephen Hemminger
- [dpdk-dev] [PATCH 3/5] virtio: use indirect ring el... Xie, Huawei
- [dpdk-dev] [PATCH 3/5] virtio: use indirect rin... Stephen Hemminger
- [dpdk-dev] [PATCH 3/5] virtio: use indirect... Xie, Huawei
- [dpdk-dev] [PATCH 3/5] virtio: use indirect ring el... Thomas Monjalon
- [dpdk-dev] [PATCH 4/5] virtio: use any layout on transmi... Stephen Hemminger
- [dpdk-dev] [PATCH 4/5] virtio: use any layout on tr... Xie, Huawei
- [dpdk-dev] [PATCH 4/5] virtio: use any layout o... Stephen Hemminger
- [dpdk-dev] [PATCH 4/5] virtio: use any layo... Xie, Huawei
- [dpdk-dev] [PATCH 4/5] virtio: use any ... Stephen Hemminger
- [dpdk-dev] [PATCH 4/5] virtio: use any layout o... Stephen Hemminger
- [dpdk-dev] [PATCH 5/5] virtio: optimize transmit enqueue Stephen Hemminger
- [dpdk-dev] [PATCH v2 0/5] virtio: Tx performance improve... Thomas Monjalon
- [dpdk-dev] [PATCH v2 0/5] virtio: Tx performance im... Xie, Huawei
- [dpdk-dev] [PATCH v2 0/5] virtio: Tx performanc... Xie, Huawei
- [dpdk-dev] [PATCH v2 0/5] virtio: Tx performanc... Stephen Hemminger
- [dpdk-dev] [PATCH v2 0/5] virtio: Tx perfor... Xie, Huawei
- [dpdk-dev] [PATCH v2 0/5] virtio: Tx pe... Stephen Hemminger