On Wed, Dec 17, 2014 at 04:44:15PM +0000, Kavanagh, Mark B wrote: > Hi, > > DPDK 1.8.0 removes the data pointer from the mbuf structure, such that the > start of the data in the segment buffer must be calculated (i.e. buf_addr + > data_off = 'data'). > > Given this, what is the best approach to set the mbuf data to NULL > (previously mbuf.data = NULL)? > > As I see it, given an initialized mbuf, such that buf_addr is non-null, and > data_off =RTE_PKTMBUF_HEADROOM, is it fair to say that the best solution is > to memset to 0 from location (buf_addr + data_off) for a length of (data_len > - data_off)? > > Thanks in advance, > Mark
Why not just set data_len = 0 to indicate an empty mbuf?
