Add the background for this patch https://mails.dpdk.org/archives/dev/2018-November/119391.html
> -----Original Message----- > From: Zhao1, Wei > Sent: Wednesday, November 21, 2018 5:49 PM > To: dev@dpdk.org > Cc: sta...@dpdk.org; Ananyev, Konstantin <konstantin.anan...@intel.com>; > Zhao1, Wei <wei.zh...@intel.com> > Subject: [PATCH] examples/ipv4_multicast: remove useless mbuf info copy > > There is not need for these useless information and it had better be > removed in oder not to confusing users. > > Signed-off-by: Wei Zhao <wei.zh...@intel.com> > --- > examples/ipv4_multicast/main.c | 8 -------- > 1 file changed, 8 deletions(-) > > diff --git a/examples/ipv4_multicast/main.c > b/examples/ipv4_multicast/main.c index 428ca46..1eef291 100644 > --- a/examples/ipv4_multicast/main.c > +++ b/examples/ipv4_multicast/main.c > @@ -254,18 +254,10 @@ mcast_out_pkt(struct rte_mbuf *pkt, int use_clone) > /* prepend new header */ > hdr->next = pkt; > > - > /* update header's fields */ > hdr->pkt_len = (uint16_t)(hdr->data_len + pkt->pkt_len); > hdr->nb_segs = pkt->nb_segs + 1; > > - /* copy metadata from source packet*/ > - hdr->port = pkt->port; > - hdr->vlan_tci = pkt->vlan_tci; > - hdr->vlan_tci_outer = pkt->vlan_tci_outer; > - hdr->tx_offload = pkt->tx_offload; > - hdr->hash = pkt->hash; > - > __rte_mbuf_sanity_check(hdr, 1); > return hdr; > } > -- > 2.7.5
