[dpdk-dev] [PATCH 0/3] [PMD] [VHOST] *** Support zero copy RX/TX in user space vhost ***
Ouyang Changchun
changchun.ouyang at intel.com
Mon May 19 13:15:38 CEST 2014
Short summary:
* Add API to support queue start and stop functionality for RX/TX, and implement them in IXGBE PMD;
* Enable hardware loopback functionality in VMDQ mode;
* Implement mbuf metadata macros to facilitate refering to space in mbuf headroom;
* Support user space vhost zero copy RX/TX, it removes packets copying between host and guest in RX/TX;
Ouyang Changchun (3):
1. It contains the following 2 parts:
a) Add API to support queue start and stop functionality for RX/TX, and implement them in IXGBE PMD;
b) Enable hardware loopback functionality in VMDQ mode;
2. Implement mbuf metadata macros to facilitate refering to space in mbuf headroom;
3. Support user space vhost zero copy, it removes packets copying between host and guest in RX/TX.
examples/vhost/main.c | 1405 ++++++++++++++++++++++++++----
examples/vhost/virtio-net.c | 120 ++-
examples/vhost/virtio-net.h | 15 +-
lib/librte_eal/linuxapp/eal/eal_memory.c | 2 +-
lib/librte_ether/rte_ethdev.c | 104 +++
lib/librte_ether/rte_ethdev.h | 80 ++
lib/librte_mbuf/rte_mbuf.h | 17 +
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 4 +
lib/librte_pmd_ixgbe/ixgbe_ethdev.h | 8 +
lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 233 ++++-
lib/librte_pmd_ixgbe/ixgbe_rxtx.h | 6 +
11 files changed, 1800 insertions(+), 194 deletions(-)
--
1.9.0
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