Regards _Sugesh
> -----Original Message----- > From: [email protected] [mailto:ovs-dev- > [email protected]] On Behalf Of Ian Stokes > Sent: Friday, August 25, 2017 5:40 PM > To: [email protected] > Subject: [ovs-dev] [RFC PATCH v2 05/10] flow: Modify minflow extract to > handle SPI. > > The patch modifies the miniflow extract function to hande the case where > the network protocol for a packet is ESP. In this case the SPI value in the > ESP > header is extracted and set in the minflow map. > > Signed-off-by: Ian Stokes <[email protected]> > --- > lib/flow.c | 11 ++++++++++- > 1 files changed, 10 insertions(+), 1 deletions(-) > > diff --git a/lib/flow.c b/lib/flow.c > index b2b10aa..428ff7a 100644 > --- a/lib/flow.c > +++ b/lib/flow.c > @@ -643,6 +643,7 @@ miniflow_extract(struct dp_packet *packet, struct > miniflow *dst) > uint8_t nw_frag, nw_tos, nw_ttl, nw_proto; > uint8_t *ct_nw_proto_p = NULL; > ovs_be16 ct_tp_src = 0, ct_tp_dst = 0; > + ovs_be32 esp_spi = 0; > > /* Metadata. */ > if (flow_tnl_dst_is_set(&md->tunnel)) { @@ -920,7 +921,15 @@ > miniflow_extract(struct dp_packet *packet, struct miniflow *dst) > miniflow_push_be16(mf, ct_tp_src, ct_tp_src); > miniflow_push_be16(mf, ct_tp_dst, ct_tp_dst); > } > - } else if (OVS_LIKELY(nw_proto == IPPROTO_SCTP)) { > + } else if (OVS_LIKELY(nw_proto == IPPROTO_ESP)) { > + if (OVS_LIKELY(size >= ESP_HEADER_LEN)) { > + const struct esp_header *esp = data; > + > + esp_spi = esp->spi; > + miniflow_push_be32(mf, spi, esp_spi); > + miniflow_push_be32(mf, pad4, 0); /* Pad for ESP */ [Sugesh] can we use the push_be64? > + } > + }else if (OVS_LIKELY(nw_proto == IPPROTO_SCTP)) { > if (OVS_LIKELY(size >= SCTP_HEADER_LEN)) { > const struct sctp_header *sctp = data; > > -- > 1.7.0.7 > > _______________________________________________ > dev mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
