net/i40e: support flow director space tracking

[dpdk.git] / drivers / net / i40e / i40e_ethdev.c

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 393b532..dca84a1 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -26,6 +26,7 @@
 #include <rte_dev.h>
 #include <rte_tailq.h>
 #include <rte_hash_crc.h>
+#include <rte_bitmap.h>
 
 #include "i40e_logs.h"
 #include "base/i40e_prototype.h"
@@ -1045,8 +1046,11 @@ static int
 i40e_init_fdir_filter_list(struct rte_eth_dev *dev)
 {
        struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
        struct i40e_fdir_info *fdir_info = &pf->fdir;
        char fdir_hash_name[RTE_HASH_NAMESIZE];
+       uint32_t alloc = hw->func_caps.fd_filters_guaranteed;
+       uint32_t best = hw->func_caps.fd_filters_best_effort;
        int ret;
 
        struct rte_hash_parameters fdir_hash_params = {
@@ -1067,6 +1071,7 @@ i40e_init_fdir_filter_list(struct rte_eth_dev *dev)
                PMD_INIT_LOG(ERR, "Failed to create fdir hash table!");
                return -EINVAL;
        }
+
        fdir_info->hash_map = rte_zmalloc("i40e_fdir_hash_map",
                                          sizeof(struct i40e_fdir_filter *) *
                                          I40E_MAX_FDIR_FILTER_NUM,
@@ -1077,6 +1082,15 @@ i40e_init_fdir_filter_list(struct rte_eth_dev *dev)
                ret = -ENOMEM;
                goto err_fdir_hash_map_alloc;
        }
+
+       fdir_info->fdir_space_size = alloc + best;
+       fdir_info->fdir_actual_cnt = 0;
+       fdir_info->fdir_guarantee_total_space = alloc;
+       fdir_info->fdir_guarantee_free_space =
+               fdir_info->fdir_guarantee_total_space;
+
+       PMD_DRV_LOG(INFO, "FDIR guarantee space: %u, best_effort space %u.", alloc, best);
+
        return 0;
 
 err_fdir_hash_map_alloc:
@@ -1101,6 +1115,30 @@ i40e_init_customized_info(struct i40e_pf *pf)
        pf->esp_support = false;
 }
 
+static void
+i40e_init_filter_invalidation(struct i40e_pf *pf)
+{
+       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+       struct i40e_fdir_info *fdir_info = &pf->fdir;
+       uint32_t glqf_ctl_reg = 0;
+
+       glqf_ctl_reg = i40e_read_rx_ctl(hw, I40E_GLQF_CTL);
+       if (!pf->support_multi_driver) {
+               fdir_info->fdir_invalprio = 1;
+               glqf_ctl_reg |= I40E_GLQF_CTL_INVALPRIO_MASK;
+               PMD_DRV_LOG(INFO, "FDIR INVALPRIO set to guaranteed first");
+               i40e_write_rx_ctl(hw, I40E_GLQF_CTL, glqf_ctl_reg);
+       } else {
+               if (glqf_ctl_reg & I40E_GLQF_CTL_INVALPRIO_MASK) {
+                       fdir_info->fdir_invalprio = 1;
+                       PMD_DRV_LOG(INFO, "FDIR INVALPRIO is: guaranteed first");
+               } else {
+                       fdir_info->fdir_invalprio = 0;
+                       PMD_DRV_LOG(INFO, "FDIR INVALPRIO is: shared first");
+               }
+       }
+}
+
 void
 i40e_init_queue_region_conf(struct rte_eth_dev *dev)
 {
@@ -1654,6 +1692,9 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused)
        /* Initialize customized information */
        i40e_init_customized_info(pf);
 
+       /* Initialize the filter invalidation configuration */
+       i40e_init_filter_invalidation(pf);
+
        ret = i40e_init_ethtype_filter_list(dev);
        if (ret < 0)
                goto err_init_ethtype_filter_list;