[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...@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