> > Previously, TX functions call rte_pktmbuf_is_contiguous to determine > > whether an mbuf is chained. However, rte_pktmbuf_is_contiguous is > > designed to work on the first mbuf of a packet only. In case a packet > > contains three or more segment mbufs in a chain, it may cause > > truncated packets or rte_mbuf_sanity_check panics. > > > > This patch updates TX functions to determine chained mbufs using > > mbuf_head->nb_segs field, which works in all cases. Moreover, it > > maintains that the second cacheline is only accessed when chained mbuf > > is actually present. > > > > Signed-off-by: Junxiao Shi <g...@mail1.yoursunny.com>
Looks ok to me. Thanks for the patch! Reviewed-by: Jakub Grajciar <jgraj...@cisco.com>
