Enable/disable RSS for corresponding flow
base on the user's requirement.

Signed-off-by: Junyu Jiang <junyux.ji...@intel.com>
---
 drivers/net/ice/ice_ethdev.c | 181 ++++++++++++++++++++++-------------
 1 file changed, 115 insertions(+), 66 deletions(-)

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index d5110c439..ee88cb49e 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -2436,6 +2436,103 @@ ice_dev_uninit(struct rte_eth_dev *dev)
        return 0;
 }
 
+static void
+ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf)
+{
+       struct ice_hw *hw = ICE_PF_TO_HW(pf);
+       struct ice_vsi *vsi = pf->main_vsi;
+       int ret;
+
+       /**
+        * configure RSS for IPv4 with input set IPv4 src/dst
+        * configure RSS for IPv6 with input set IPv6 src/dst
+        */
+       if (rss_hf & ETH_RSS_IP) {
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
+                                     ICE_FLOW_SEG_HDR_IPV4, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s IPV4 rss flow fail %d",
+                                   __func__, ret);
+
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
+                                     ICE_FLOW_SEG_HDR_IPV6, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s IPV6 rss flow fail %d",
+                                   __func__, ret);
+       }
+       /**
+        *configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst
+        *configure RSS for udp4 with input set IP src/dst, UDP src/dst
+        */
+       if (rss_hf & ETH_RSS_UDP) {
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV6,
+                                     ICE_FLOW_SEG_HDR_UDP |
+                                     ICE_FLOW_SEG_HDR_IPV6, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s UDP_IPV6 rss flow fail %d",
+                                   __func__, ret);
+
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV4,
+                                     ICE_FLOW_SEG_HDR_UDP |
+                                     ICE_FLOW_SEG_HDR_IPV4, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s UDP_IPV4 rss flow fail %d",
+                                   __func__, ret);
+       }
+       /**
+        * configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst
+        * configure RSS for tcp4 with input set IP src/dst, TCP src/dst
+        */
+       if (rss_hf & ETH_RSS_TCP) {
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV6,
+                                     ICE_FLOW_SEG_HDR_TCP |
+                                     ICE_FLOW_SEG_HDR_IPV6, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s TCP_IPV6 rss flow fail %d",
+                                   __func__, ret);
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV4,
+                                     ICE_FLOW_SEG_HDR_TCP |
+                                     ICE_FLOW_SEG_HDR_IPV4, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s TCP_IPV4 rss flow fail %d",
+                                   __func__, ret);
+       }
+       /**
+        * configure RSS for sctp6 with input set IPv6 src/dst
+        * configure RSS for sctp4 with input set IP src/dst
+        */
+       if (rss_hf & ETH_RSS_SCTP) {
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
+                                     ICE_FLOW_SEG_HDR_SCTP |
+                                     ICE_FLOW_SEG_HDR_IPV6, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s SCTP_IPV6 rss flow fail %d",
+                                   __func__, ret);
+               ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
+                                     ICE_FLOW_SEG_HDR_SCTP |
+                                     ICE_FLOW_SEG_HDR_IPV4, 0);
+               if (ret)
+                       PMD_DRV_LOG(ERR, "%s SCTP_IPV4 rss flow fail %d",
+                                   __func__, ret);
+       }
+
+       /* configure RSS for gtpu with input set TEID */
+       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_GTP_U_IPV4_TEID,
+                             ICE_FLOW_SEG_HDR_GTPU_IP, 0);
+       if (ret)
+               PMD_DRV_LOG(ERR, "%s GTPU_TEID rss flow fail %d",
+                           __func__, ret);
+       /**
+        * configure RSS for pppoe/pppod with input set
+        * Source MAC and Session ID
+        */
+       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_PPPOE_SESS_ID_ETH,
+                             ICE_FLOW_SEG_HDR_PPPOE, 0);
+       if (ret)
+               PMD_DRV_LOG(ERR, "%s PPPoE/PPPoD_SessionID rss flow fail %d",
+                           __func__, ret);
+}
+
 static int ice_init_rss(struct ice_pf *pf)
 {
        struct ice_hw *hw = ICE_PF_TO_HW(pf);
@@ -2496,72 +2593,12 @@ static int ice_init_rss(struct ice_pf *pf)
                (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
        ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
 
-       /* configure RSS for IPv4 with input set IPv4 src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
-                             ICE_FLOW_SEG_HDR_IPV4, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s IPV4 rss flow fail %d", __func__, ret);
-
-       /* configure RSS for IPv6 with input set IPv6 src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
-                             ICE_FLOW_SEG_HDR_IPV6, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s IPV6 rss flow fail %d", __func__, ret);
-
-       /* configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV6,
-                             ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s TCP_IPV6 rss flow fail %d", __func__, ret);
-
-       /* configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV6,
-                             ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s UDP_IPV6 rss flow fail %d", __func__, ret);
-
-       /* configure RSS for sctp6 with input set IPv6 src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV6,
-                             ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s SCTP_IPV6 rss flow fail %d",
-                               __func__, ret);
-
-       /* configure RSS for tcp4 with input set IP src/dst, TCP src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_TCP_IPV4,
-                             ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s TCP_IPV4 rss flow fail %d", __func__, ret);
-
-       /* configure RSS for udp4 with input set IP src/dst, UDP src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_HASH_UDP_IPV4,
-                             ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s UDP_IPV4 rss flow fail %d", __func__, ret);
-
-       /* configure RSS for sctp4 with input set IP src/dst */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_IPV4,
-                             ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s SCTP_IPV4 rss flow fail %d",
-                               __func__, ret);
-
-       /* configure RSS for gtpu with input set TEID */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_GTP_U_IPV4_TEID,
-                               ICE_FLOW_SEG_HDR_GTPU_IP, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s GTPU_TEID rss flow fail %d",
-                               __func__, ret);
+       /* Disable RSS */
+       if (rss_conf->rss_hf == 0)
+               return 0;
 
-       /**
-        * configure RSS for pppoe/pppod with input set
-        * Source MAC and Session ID
-        */
-       ret = ice_add_rss_cfg(hw, vsi->idx, ICE_FLOW_HASH_PPPOE_SESS_ID_ETH,
-                               ICE_FLOW_SEG_HDR_PPPOE, 0);
-       if (ret)
-               PMD_DRV_LOG(ERR, "%s PPPoE/PPPoD_SessionID rss flow fail %d",
-                               __func__, ret);
+       /* RSS hash configuration */
+       ice_rss_hash_set(pf, rss_conf->rss_hf);
 
        return 0;
 }
@@ -3675,6 +3712,7 @@ ice_rss_hash_update(struct rte_eth_dev *dev,
 {
        enum ice_status status = ICE_SUCCESS;
        struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+       struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct ice_vsi *vsi = pf->main_vsi;
 
        /* set hash key */
@@ -3682,7 +3720,18 @@ ice_rss_hash_update(struct rte_eth_dev *dev,
        if (status)
                return status;
 
-       /* TODO: hash enable config, ice_add_rss_cfg */
+       if (rss_conf->rss_hf == 0)
+               return -EINVAL;
+
+       status = ice_rem_vsi_rss_cfg(hw, vsi->idx);
+       if (status != ICE_SUCCESS) {
+               PMD_DRV_LOG(ERR, "Failed to remove rss cfg!");
+               return status;
+       }
+
+       /* RSS hash configuration */
+       ice_rss_hash_set(pf, rss_conf->rss_hf);
+
        return 0;
 }
 
-- 
2.17.1

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