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From: Qi Zhang <qi.z.zhang@intel.com>
To: thomas@monjalon.net
Cc: dev@dpdk.org, ferruh.yigit@intel.com, Junfeng Guo <junfeng.guo@intel.com>,
Qi Zhang <qi.z.zhang@intel.com>
Date: Wed, 8 Jul 2020 21:37:01 +0800
Message-Id: <20200708133703.48945-1-qi.z.zhang@intel.com>
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Subject: [dpdk-dev] [PATCH v5 1/3] ethdev: add new RSS types for IPv6 prefix
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From: Junfeng Guo <junfeng.guo@intel.com>
This patch defines new RSS offload types for IPv6 prefix with 32, 40, 48,
56, 64, 96 bits of both SRC and DST IPv6 address.
Ref https://tools.ietf.org/html/rfc6052.
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
v5:
- add 40 56, 96 according to RFC6052
- add more description about the new macros.
lib/librte_ethdev/rte_ethdev.h | 109 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 631b146bd..a857102c9 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -539,6 +539,19 @@ struct rte_eth_rss_conf {
#define ETH_RSS_L2_SRC_ONLY (1ULL << 59)
#define ETH_RSS_L2_DST_ONLY (1ULL << 58)
+/*
+ * Only select IPV6 address prefix as RSS input set according to
+ * https://tools.ietf.org/html/rfc6052
+ * Must be combined with ETH_RSS_IPV6, ETH_RSS_NONFRAG_IPV6_UDP,
+ * ETH_RSS_NONFRAG_IPV6_TCP, ETH_RSS_NONFRAG_IPV6_SCTP.
+ */
+#define ETH_RSS_L3_PRE32 (1ULL << 57)
+#define ETH_RSS_L3_PRE40 (1ULL << 56)
+#define ETH_RSS_L3_PRE48 (1ULL << 55)
+#define ETH_RSS_L3_PRE56 (1ULL << 54)
+#define ETH_RSS_L3_PRE64 (1ULL << 53)
+#define ETH_RSS_L3_PRE96 (1ULL << 52)
+
/**
* For input set change of hash filter, if SRC_ONLY and DST_ONLY of
* the same level are used simultaneously, it is the same case as
@@ -561,6 +574,102 @@ rte_eth_rss_hf_refine(uint64_t rss_hf)
return rss_hf;
}
+#define ETH_RSS_IPV6_PRE32 ( \
+ ETH_RSS_IPV6 | \
+ ETH_RSS_L3_PRE32)
+
+#define ETH_RSS_IPV6_PRE40 ( \
+ ETH_RSS_IPV6 | \
+ ETH_RSS_L3_PRE40)
+
+#define ETH_RSS_IPV6_PRE48 ( \
+ ETH_RSS_IPV6 | \
+ ETH_RSS_L3_PRE48)
+
+#define ETH_RSS_IPV6_PRE56 ( \
+ ETH_RSS_IPV6 | \
+ ETH_RSS_L3_PRE56)
+
+#define ETH_RSS_IPV6_PRE64 ( \
+ ETH_RSS_IPV6 | \
+ ETH_RSS_L3_PRE64)
+
+#define ETH_RSS_IPV6_PRE96 ( \
+ ETH_RSS_IPV6 | \
+ ETH_RSS_L3_PRE96)
+
+#define ETH_RSS_IPV6_PRE32_UDP ( \
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_L3_PRE32)
+
+#define ETH_RSS_IPV6_PRE40_UDP ( \
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_L3_PRE40)
+
+#define ETH_RSS_IPV6_PRE48_UDP ( \
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_L3_PRE48)
+
+#define ETH_RSS_IPV6_PRE56_UDP ( \
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_L3_PRE56)
+
+#define ETH_RSS_IPV6_PRE64_UDP ( \
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_L3_PRE64)
+
+#define ETH_RSS_IPV6_PRE96_UDP ( \
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_L3_PRE96)
+
+#define ETH_RSS_IPV6_PRE32_TCP ( \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_L3_PRE32)
+
+#define ETH_RSS_IPV6_PRE40_TCP ( \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_L3_PRE40)
+
+#define ETH_RSS_IPV6_PRE48_TCP ( \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_L3_PRE48)
+
+#define ETH_RSS_IPV6_PRE56_TCP ( \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_L3_PRE56)
+
+#define ETH_RSS_IPV6_PRE64_TCP ( \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_L3_PRE64)
+
+#define ETH_RSS_IPV6_PRE96_TCP ( \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_L3_PRE96)
+
+#define ETH_RSS_IPV6_PRE32_SCTP ( \
+ ETH_RSS_NONFRAG_IPV6_SCTP | \
+ ETH_RSS_L3_PRE32)
+
+#define ETH_RSS_IPV6_PRE40_SCTP ( \
+ ETH_RSS_NONFRAG_IPV6_SCTP | \
+ ETH_RSS_L3_PRE40)
+
+#define ETH_RSS_IPV6_PRE48_SCTP ( \
+ ETH_RSS_NONFRAG_IPV6_SCTP | \
+ ETH_RSS_L3_PRE48)
+
+#define ETH_RSS_IPV6_PRE56_SCTP ( \
+ ETH_RSS_NONFRAG_IPV6_SCTP | \
+ ETH_RSS_L3_PRE56)
+
+#define ETH_RSS_IPV6_PRE64_SCTP ( \
+ ETH_RSS_NONFRAG_IPV6_SCTP | \
+ ETH_RSS_L3_PRE64)
+
+#define ETH_RSS_IPV6_PRE96_SCTP ( \
+ ETH_RSS_NONFRAG_IPV6_SCTP | \
+ ETH_RSS_L3_PRE96)
+
#define ETH_RSS_IP ( \
ETH_RSS_IPV4 | \
ETH_RSS_FRAG_IPV4 | \
--
2.13.6