This patchset add the support of port to port feature. Port-to-port packets are looped back through the host/NIC memory, without software involvement, using the LAN RX and LAN TX DMA engines.
And this patchset only support the same port for Tx and Rx queue. This patchset is based on the cpfl PMD code: http://patches.dpdk.org/project/dpdk/cover/20230213021956.2953088-1-mingxia....@intel.com/ Mingxia Liu (5): net/cpfl: add some structure for hairpin queue net/cpfl: update device initialization for hairpin queue net/cpfl: add hairpin queue enable and setup net/cpfl: support hairpin queue start and stop net/cpfl: adjust RSS LUT to exclude hairpin queue drivers/common/idpf/idpf_common_device.c | 52 ++ drivers/common/idpf/idpf_common_device.h | 2 + drivers/common/idpf/idpf_common_virtchnl.c | 100 ++- drivers/common/idpf/idpf_common_virtchnl.h | 12 + drivers/common/idpf/version.map | 5 + drivers/net/cpfl/cpfl_ethdev.c | 292 +++++-- drivers/net/cpfl/cpfl_ethdev.h | 8 +- drivers/net/cpfl/cpfl_rxtx.c | 855 +++++++++++++++++++-- drivers/net/cpfl/cpfl_rxtx.h | 71 +- drivers/net/cpfl/cpfl_rxtx_vec_common.h | 22 +- 10 files changed, 1272 insertions(+), 147 deletions(-) -- 2.25.1