cvs commit: src/sys/dev/cxgb cxgb_adapter.h cxgb_sge.c

Kip Macy kmacy at
Wed Apr 4 05:29:18 UTC 2007

kmacy       2007-04-04 05:29:18 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/cxgb         cxgb_adapter.h cxgb_sge.c 
  Make DMA tags per-queue to facilate parallel mappings
  Defer mbuf allocation and initialization until after data has already been
  received in a cluster
  This reduces cpu utilization somewhat, but it only improves the rx path.
  Recent changes to TCP appear to make us rate limited by the TX path.
  This is the first step in reducing mbuf management overhead for manipulating
  MFC after: 3 days
  Revision  Changes    Path
  1.7       +4 -1      src/sys/dev/cxgb/cxgb_adapter.h
  1.6       +106 -60   src/sys/dev/cxgb/cxgb_sge.c

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