[dpdk-dev] [PATCH v1] net/ice: support default RSS for IP fragment packet

[dpdk-dev] [PATCH v1] net/ice: support default RSS for IP fragment packet

[Wenjun Wu]

This patch adds default RSS support for IPv4 and IPv6 fragment packet.

Signed-off-by: Wenjun Wu <wenjun1.wu@intel.com>
---
 drivers/net/ice/ice_ethdev.c | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 5a18663430..63f735d1ff 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -2857,7 +2857,9 @@ ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf)
 	ETH_RSS_NONFRAG_IPV4_TCP | \
 	ETH_RSS_NONFRAG_IPV6_TCP | \
 	ETH_RSS_NONFRAG_IPV4_SCTP | \
-	ETH_RSS_NONFRAG_IPV6_SCTP)
+	ETH_RSS_NONFRAG_IPV6_SCTP | \
+	ETH_RSS_FRAG_IPV4 | \
+	ETH_RSS_FRAG_IPV6)
 
 	ret = ice_rem_vsi_rss_cfg(hw, vsi->idx);
 	if (ret)
@@ -3012,6 +3014,24 @@ ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf)
 				    __func__, ret);
 	}
 
+	if (rss_hf & ETH_RSS_FRAG_IPV4) {
+		cfg.addl_hdrs = ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_FRAG;
+		cfg.hash_flds = ICE_FLOW_HASH_IPV4 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_ID);
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, &cfg);
+		if (ret)
+			PMD_DRV_LOG(ERR, "%s IPV4_FRAG rss flow fail %d",
+				    __func__, ret);
+	}
+
+	if (rss_hf & ETH_RSS_FRAG_IPV6) {
+		cfg.addl_hdrs = ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_FRAG;
+		cfg.hash_flds = ICE_FLOW_HASH_IPV6 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_ID);
+		ret = ice_add_rss_cfg_wrap(pf, vsi->idx, &cfg);
+		if (ret)
+			PMD_DRV_LOG(ERR, "%s IPV6_FRAG rss flow fail %d",
+				    __func__, ret);
+	}
+
 	pf->rss_hf = rss_hf & ICE_RSS_HF_ALL;
 }
 
-- 
2.25.1

Re: [dpdk-dev] [PATCH v1] net/ice: support default RSS for IP fragment packet

[Zhang, Qi Z]

> -----Original Message-----
> From: Wu, Wenjun1 <wenjun1.wu@intel.com>
> Sent: Monday, July 5, 2021 2:43 PM
> To: dev@dpdk.org; Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>
> Cc: Wu, Wenjun1 <wenjun1.wu@intel.com>
> Subject: [PATCH v1] net/ice: support default RSS for IP fragment packet
> 
> This patch adds default RSS support for IPv4 and IPv6 fragment packet.
> 
> Signed-off-by: Wenjun Wu <wenjun1.wu@intel.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi