> Subject: [PATCH 12/13] net/intel: improve Tx path selection logic > > Rework the relevant priority of context descriptor vs SIMD width when > selecting a Tx path so that presence of context descriptors is only > considered when all else is equal. > > Normally, path select takes place without having to worry about context > descriptors, since offloads requiring context descriptors are specified > using the offloads bitmap for each Tx path. However, in some cases, the > need to use a context descriptor is not encodable via this offload path, > e.g. VLAN offload for iavf can sometimes use the data descriptor and > sometimes the context depending on what PF specifies at runtime. To > account for those cases, we separate out the use of contexts from the > path features, but instead note it as part of the path information, and > add an additional parameter to the Tx path selection for drivers to > mandate a context descriptor be present. Otherwise, ctx is largely > ignored in path selection, except as a last-resort tie-breaker between > two paths. > > Signed-off-by: Bruce Richardson <[email protected]>
Acked-by: Ciara Loftus <[email protected]> > --- > drivers/net/intel/common/tx.h | 41 +++++++++++++++++--------- > drivers/net/intel/cpfl/cpfl_rxtx.c | 3 +- > drivers/net/intel/i40e/i40e_rxtx.c | 2 +- > drivers/net/intel/iavf/iavf_rxtx.c | 46 ++++++++++++++++-------------- > drivers/net/intel/ice/ice_rxtx.c | 3 +- > drivers/net/intel/idpf/idpf_rxtx.c | 3 +- > 6 files changed, 58 insertions(+), 40 deletions(-) >
