Introduction ============ libcxgb4 is a userspace driver for the Chelsio T5 iWARP RNICs. It works as a plug-in module for libibverbs that allows programs to use Chelsio RNICs directly from userspace. See the libibverbs package for more information. Using libcxgb4 =================== libcxgb4 will be loaded and used automatically by programs linked with libibverbs. The iw_cxgbe kernel module must be loaded for Chelsio RNIC devices to be detected and used. Supported Hardware ================== libcxgb4 supports the Chelsio T5 family of adapters.