net/ice: enable advanced RSS

[dpdk.git] / drivers / net / ice / ice_ethdev.c

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 49d00bd..d746758 100644 (file)
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -2370,6 +2370,7 @@ static int ice_init_rss(struct ice_pf *pf)
        uint16_t i, nb_q;
        int ret = 0;
        bool is_safe_mode = pf->adapter->is_safe_mode;
+       uint32_t reg;
 
        rss_conf = &dev->data->dev_conf.rx_adv_conf.rss_conf;
        nb_q = dev->data->nb_rx_queues;
@@ -2413,6 +2414,12 @@ static int ice_init_rss(struct ice_pf *pf)
        if (ret)
                return -EINVAL;
 
+       /* Enable registers for symmetric_toeplitz function. */
+       reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
+       reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
+               (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);