[dpdk-dev] [PATCH v5] net/iavf: support outer IP hash for no inner GTPU

Zhang, AlvinX alvinx.zhang at intel.com
Tue Sep 15 03:54:50 CEST 2020


Thanks Zhangqi.

> -----Original Message-----
> From: Zhang, Qi Z <qi.z.zhang at intel.com>
> Sent: Monday, September 14, 2020 6:33 PM
> To: Zhang, AlvinX <alvinx.zhang at intel.com>; Guo, Jia <jia.guo at intel.com>
> Cc: dev at dpdk.org
> Subject: RE: [PATCH v5] net/iavf: support outer IP hash for no inner GTPU
> 
> 
> 
> > -----Original Message-----
> > From: Zhang, AlvinX <alvinx.zhang at intel.com>
> > Sent: Monday, September 14, 2020 5:03 PM
> > To: Guo, Jia <jia.guo at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>
> > Cc: dev at dpdk.org; Zhang, AlvinX <alvinx.zhang at intel.com>
> > Subject: [PATCH v5] net/iavf: support outer IP hash for no inner GTPU
> >
> > From: Alvin Zhang <alvinx.zhang at intel.com>
> >
> > Outer IP hash can be configured as input sets for no inner GTPU packets.
> >
> > Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
> > ---
> >
> > V2: Modify codes according to comments.
> > V3: Refact all codes.
> > V4: Fix compatibility issues.
> > V5: Modify codes according to comments.
> >
> >  drivers/net/iavf/iavf_hash.c | 48
> > ++++++++++++++++++++++++++------------------
> >  1 file changed, 28 insertions(+), 20 deletions(-)
> >
> > diff --git a/drivers/net/iavf/iavf_hash.c
> > b/drivers/net/iavf/iavf_hash.c index
> > ff77d71..d0a6396 100644
> > --- a/drivers/net/iavf/iavf_hash.c
> > +++ b/drivers/net/iavf/iavf_hash.c
> > @@ -348,6 +348,7 @@ struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
> > {iavf_pattern_eth_vlan_ipv4_udp,IAVF_RSS_TYPE_VLAN_IPV4_UDP,
> > &outer_ipv4_udp_tmplt},
> >  {iavf_pattern_eth_vlan_ipv4_tcp,IAVF_RSS_TYPE_VLAN_IPV4_TCP,
> > &outer_ipv4_tcp_tmplt},
> >  {iavf_pattern_eth_vlan_ipv4_sctp,IAVF_RSS_TYPE_VLAN_IPV4_SCTP,
> > &outer_ipv4_sctp_tmplt},
> > +{iavf_pattern_eth_ipv4_gtpu,ETH_RSS_IPV4,
> > &outer_ipv4_udp_tmplt},
> >  {iavf_pattern_eth_ipv4_gtpu_ipv4,IAVF_RSS_TYPE_GTPU_IPV4,
> > &inner_ipv4_tmplt},
> >  {iavf_pattern_eth_ipv4_gtpu_ipv4_udp,
> > IAVF_RSS_TYPE_GTPU_IPV4_UDP,&inner_ipv4_udp_tmplt},
> >  {iavf_pattern_eth_ipv4_gtpu_ipv4_tcp,
> > IAVF_RSS_TYPE_GTPU_IPV4_TCP,&inner_ipv4_tcp_tmplt},
> > @@ -374,6 +375,7 @@ struct virtchnl_proto_hdrs ipv6_pfcp_tmplt = {
> > {iavf_pattern_eth_vlan_ipv6_udp,IAVF_RSS_TYPE_VLAN_IPV6_UDP,
> > &outer_ipv6_udp_tmplt},
> >  {iavf_pattern_eth_vlan_ipv6_tcp,IAVF_RSS_TYPE_VLAN_IPV6_TCP,
> > &outer_ipv6_tcp_tmplt},
> >  {iavf_pattern_eth_vlan_ipv6_sctp,IAVF_RSS_TYPE_VLAN_IPV6_SCTP,
> > &outer_ipv6_sctp_tmplt},
> > +{iavf_pattern_eth_ipv6_gtpu,ETH_RSS_IPV6,
> > &outer_ipv6_udp_tmplt},
> >  {iavf_pattern_eth_ipv4_gtpu_ipv6,IAVF_RSS_TYPE_GTPU_IPV6,
> > &inner_ipv6_tmplt},
> >  {iavf_pattern_eth_ipv4_gtpu_ipv6_udp,
> > IAVF_RSS_TYPE_GTPU_IPV6_UDP,&inner_ipv6_udp_tmplt},
> >  {iavf_pattern_eth_ipv4_gtpu_ipv6_tcp,
> > IAVF_RSS_TYPE_GTPU_IPV6_TCP,&inner_ipv6_tcp_tmplt},
> > @@ -698,31 +700,37 @@ struct virtchnl_proto_hdrs
> > *iavf_hash_default_hdrs[] = {  struct virtchnl_proto_hdr *hdr2;  int
> > i;
> >
> > -if (!(phint & IAVF_PHINT_GTPU_MSK) ||
> > -    proto_hdrs->tunnel_level == 0)
> > +if (!(phint & IAVF_PHINT_GTPU_MSK))
> >  return;
> >
> > -/* shift headers 1 layer */
> > -for (i = proto_hdrs->count; i > 0; i--) {
> > -hdr1 = &proto_hdrs->proto_hdr[i];
> > -hdr2 = &proto_hdrs->proto_hdr[i - 1];
> > +if (proto_hdrs->tunnel_level == TUNNEL_LEVEL_INNER) {
> > +/* shift headers 1 layer */
> > +for (i = proto_hdrs->count; i > 0; i--) {
> > +hdr1 = &proto_hdrs->proto_hdr[i];
> > +hdr2 = &proto_hdrs->proto_hdr[i - 1];
> >
> > -*hdr1 = *hdr2;
> > -}
> > +*hdr1 = *hdr2;
> > +}
> >
> > -/* adding gtpu header at layer 0 */
> > -proto_hdrs->count++;
> > -hdr1 = &proto_hdrs->proto_hdr[0];
> > -hdr1->field_selector = 0;
> > -
> > -if (phint & IAVF_PHINT_GTPU_EH_DWN)
> > -VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_DWN); -else if
> (phint &
> > IAVF_PHINT_GTPU_EH_UP) -VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1,
> > GTPU_EH_PDU_UP); -else if (phint & IAVF_PHINT_GTPU_EH)
> > -VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH); -else if (phint &
> > IAVF_PHINT_GTPU)
> > +/* adding gtpu header at layer 0 */
> > +proto_hdrs->count++;
> > +hdr1 = &proto_hdrs->proto_hdr[0];
> > +hdr1->field_selector = 0;
> > +
> > +if (phint & IAVF_PHINT_GTPU_EH_DWN)
> > +VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_DWN); else if
> (phint &
> > +IAVF_PHINT_GTPU_EH_UP) VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1,
> > +GTPU_EH_PDU_UP); else if (phint & IAVF_PHINT_GTPU_EH)
> > +VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH); else if (phint &
> > +IAVF_PHINT_GTPU) VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_IP); }
> else {
> > +hdr1 = &proto_hdrs->proto_hdr[proto_hdrs->count];
> > +hdr1->field_selector = 0;
> > +proto_hdrs->count++;
> >  VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_IP);
> 
> Its better to also check phint for outer case, could be implemented as below
> 
> If (inner) {
> Shift
> Hdr = hdrs[0]
> }
> else {
> Hdr = hdrs[count]
> }
> 
> hdr-count++
> 
> if (phint & IAVF_PHINT_GTPU_EH_DWN)
> VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH_PDU_DWN); else if (phint &
> IAVF_PHINT_GTPU_EH_UP) VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1,
> GTPU_EH_PDU_UP); else if (phint & IAVF_PHINT_GTPU_EH)
> VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_EH); else if (phint &
> IAVF_PHINT_GTPU) VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, GTPU_IP);
> 
> 
> > +}
> >  }
> >
> >  static void iavf_refine_proto_hdrs(struct virtchnl_proto_hdrs
> > *proto_hdrs,
> > --
> > 1.8.3.1
> 



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