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From: Junfeng Guo <junfeng.guo@intel.com>
To: qi.z.zhang@intel.com,
jingjing.wu@intel.com,
beilei.xing@intel.com
Cc: dev@dpdk.org,
junfeng.guo@intel.com
Date: Tue, 15 Sep 2020 14:26:09 +0800
Message-Id: <20200915062609.3786061-3-junfeng.guo@intel.com>
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Subject: [dpdk-dev] [PATCH v3 2/2] net/iavf: support RSS for IPv6 prefix
64bit
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RSS for IPv6 prefix 64bit fields are supported in this patch, so that
we can use prefix instead of full IPv6 address for RSS. The prefix
here only includes the first 64 bits of both SRC and DST IPv6 address.
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
---
drivers/net/iavf/iavf_hash.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index d8a4dc8bf..c270daf5f 100644
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -580,7 +580,28 @@ iavf_refine_proto_hdrs_l234(struct virtchnl_proto_hdrs *proto_hdrs,
}
break;
case VIRTCHNL_PROTO_HDR_IPV6:
+ if (rss_type & RTE_ETH_RSS_L3_PRE64) {
+ REFINE_PROTO_FLD(DEL, IPV6_SRC);
+ REFINE_PROTO_FLD(DEL, IPV6_DST);
+ REFINE_PROTO_FLD(ADD, IPV6_PREFIX64_SRC);
+ REFINE_PROTO_FLD(ADD, IPV6_PREFIX64_DST);
+ }
if (rss_type &
+ (ETH_RSS_IPV6_PRE64 |
+ ETH_RSS_IPV6_PRE64_UDP |
+ ETH_RSS_IPV6_PRE64_TCP |
+ ETH_RSS_IPV6_PRE64_SCTP)) {
+ if (rss_type & ETH_RSS_L3_SRC_ONLY)
+ REFINE_PROTO_FLD(DEL,
+ IPV6_PREFIX64_DST);
+ else if (rss_type & ETH_RSS_L3_DST_ONLY)
+ REFINE_PROTO_FLD(DEL,
+ IPV6_PREFIX64_SRC);
+ else if (rss_type &
+ (ETH_RSS_L4_SRC_ONLY |
+ ETH_RSS_L4_DST_ONLY))
+ hdr->field_selector = 0;
+ } else if (rss_type &
(ETH_RSS_IPV6 |
ETH_RSS_NONFRAG_IPV6_UDP |
ETH_RSS_NONFRAG_IPV6_TCP |
--
2.25.1