net/bnxt: add SRAM manager model

[dpdk.git] / drivers / net / bnxt / tf_core / tf_device.c

diff --git a/drivers/net/bnxt/tf_core/tf_device.c b/drivers/net/bnxt/tf_core/tf_device.c
index 55cf558..25a7166 100644 (file)
--- a/drivers/net/bnxt/tf_core/tf_device.c
+++ b/drivers/net/bnxt/tf_core/tf_device.c
@@ -11,10 +11,14 @@
 #include "tf_rm.h"
 #ifdef TF_TCAM_SHARED
 #include "tf_tcam_shared.h"
+#include "tf_tbl_sram.h"
 #endif /* TF_TCAM_SHARED */
 
 struct tf;
 
+/* Number of slices per row for WC TCAM */
+uint16_t g_wc_num_slices_per_row = TF_WC_TCAM_1_SLICE_PER_ROW;
+
 /* Forward declarations */
 static int tf_dev_unbind_p4(struct tf *tfp);
 static int tf_dev_unbind_p58(struct tf *tfp);
@@ -83,7 +87,8 @@ static int
 tf_dev_bind_p4(struct tf *tfp,
               bool shadow_copy,
               struct tf_session_resources *resources,
-              struct tf_dev_info *dev_handle)
+              struct tf_dev_info *dev_handle,
+              enum tf_wc_num_slice wc_num_slices)
 {
        int rc;
        int frc;
@@ -131,7 +136,6 @@ tf_dev_bind_p4(struct tf *tfp,
        if (rsv_cnt) {
                tbl_cfg.num_elements = TF_TBL_TYPE_MAX;
                tbl_cfg.cfg = tf_tbl_p4;
-               tbl_cfg.shadow_copy = shadow_copy;
                tbl_cfg.resources = resources;
                rc = tf_tbl_bind(tfp, &tbl_cfg);
                if (rc) {
@@ -151,6 +155,7 @@ tf_dev_bind_p4(struct tf *tfp,
                tcam_cfg.cfg = tf_tcam_p4;
                tcam_cfg.shadow_copy = shadow_copy;
                tcam_cfg.resources = resources;
+               tcam_cfg.wc_num_slices = wc_num_slices;
 #ifdef TF_TCAM_SHARED
                rc = tf_tcam_shared_bind(tfp, &tcam_cfg);
 #else /* !TF_TCAM_SHARED */
@@ -216,20 +221,20 @@ tf_dev_bind_p4(struct tf *tfp,
                return -ENOMEM;
        }
 
-       if (!tf_session_is_shared_session(tfs)) {
-               /*
-                * IF_TBL
-                */
-               if_tbl_cfg.num_elements = TF_IF_TBL_TYPE_MAX;
-               if_tbl_cfg.cfg = tf_if_tbl_p4;
-               if_tbl_cfg.shadow_copy = shadow_copy;
-               rc = tf_if_tbl_bind(tfp, &if_tbl_cfg);
-               if (rc) {
-                       TFP_DRV_LOG(ERR,
-                                   "IF Table initialization failure\n");
-                       goto fail;
-               }
+       /*
+        * IF_TBL
+        */
+       if_tbl_cfg.num_elements = TF_IF_TBL_TYPE_MAX;
+       if_tbl_cfg.cfg = tf_if_tbl_p4;
+       if_tbl_cfg.shadow_copy = shadow_copy;
+       rc = tf_if_tbl_bind(tfp, &if_tbl_cfg);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "IF Table initialization failure\n");
+               goto fail;
+       }
 
+       if (!tf_session_is_shared_session(tfs)) {
                /*
                 * GLOBAL_CFG
                 */
@@ -271,6 +276,12 @@ tf_dev_unbind_p4(struct tf *tfp)
 {
        int rc = 0;
        bool fail = false;
+       struct tf_session *tfs;
+
+       /* Retrieve the session information */
+       rc = tf_session_get_session_internal(tfp, &tfs);
+       if (rc)
+               return rc;
 
        /* Unbind all the support modules. As this is only done on
         * close we only report errors as everything has to be cleaned
@@ -318,18 +329,20 @@ tf_dev_unbind_p4(struct tf *tfp)
                fail = true;
        }
 
-       rc = tf_if_tbl_unbind(tfp);
-       if (rc) {
-               TFP_DRV_LOG(INFO,
-                           "Device unbind failed, IF Table Type\n");
-               fail = true;
-       }
+       if (!tf_session_is_shared_session(tfs)) {
+               rc = tf_if_tbl_unbind(tfp);
+               if (rc) {
+                       TFP_DRV_LOG(INFO,
+                                   "Device unbind failed, IF Table Type\n");
+                       fail = true;
+               }
 
-       rc = tf_global_cfg_unbind(tfp);
-       if (rc) {
-               TFP_DRV_LOG(INFO,
-                           "Device unbind failed, Global Cfg Type\n");
-               fail = true;
+               rc = tf_global_cfg_unbind(tfp);
+               if (rc) {
+                       TFP_DRV_LOG(INFO,
+                                   "Device unbind failed, Global Cfg Type\n");
+                       fail = true;
+               }
        }
 
        if (fail)
@@ -361,7 +374,8 @@ static int
 tf_dev_bind_p58(struct tf *tfp,
                bool shadow_copy,
                struct tf_session_resources *resources,
-               struct tf_dev_info *dev_handle)
+               struct tf_dev_info *dev_handle,
+               enum tf_wc_num_slice wc_num_slices)
 {
        int rc;
        int frc;
@@ -406,7 +420,6 @@ tf_dev_bind_p58(struct tf *tfp,
        if (rsv_cnt) {
                tbl_cfg.num_elements = TF_TBL_TYPE_MAX;
                tbl_cfg.cfg = tf_tbl_p58;
-               tbl_cfg.shadow_copy = shadow_copy;
                tbl_cfg.resources = resources;
                rc = tf_tbl_bind(tfp, &tbl_cfg);
                if (rc) {
@@ -415,6 +428,13 @@ tf_dev_bind_p58(struct tf *tfp,
                        goto fail;
                }
                no_rsv_flag = false;
+
+               rc = tf_tbl_sram_bind(tfp);
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "SRAM table initialization failure\n");
+                       goto fail;
+               }
        }
 
        rsv_cnt = tf_dev_reservation_check(TF_TCAM_TBL_TYPE_MAX,
@@ -425,6 +445,7 @@ tf_dev_bind_p58(struct tf *tfp,
                tcam_cfg.cfg = tf_tcam_p58;
                tcam_cfg.shadow_copy = shadow_copy;
                tcam_cfg.resources = resources;
+               tcam_cfg.wc_num_slices = wc_num_slices;
 #ifdef TF_TCAM_SHARED
                rc = tf_tcam_shared_bind(tfp, &tcam_cfg);
 #else /* !TF_TCAM_SHARED */
@@ -472,17 +493,17 @@ tf_dev_bind_p58(struct tf *tfp,
        /*
         * IF_TBL
         */
-       if (!tf_session_is_shared_session(tfs)) {
-               if_tbl_cfg.num_elements = TF_IF_TBL_TYPE_MAX;
-               if_tbl_cfg.cfg = tf_if_tbl_p58;
-               if_tbl_cfg.shadow_copy = shadow_copy;
-               rc = tf_if_tbl_bind(tfp, &if_tbl_cfg);
-               if (rc) {
-                       TFP_DRV_LOG(ERR,
-                                   "IF Table initialization failure\n");
-                       goto fail;
-               }
+       if_tbl_cfg.num_elements = TF_IF_TBL_TYPE_MAX;
+       if_tbl_cfg.cfg = tf_if_tbl_p58;
+       if_tbl_cfg.shadow_copy = shadow_copy;
+       rc = tf_if_tbl_bind(tfp, &if_tbl_cfg);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "IF Table initialization failure\n");
+               goto fail;
+       }
 
+       if (!tf_session_is_shared_session(tfs)) {
                /*
                 * GLOBAL_CFG
                 */
@@ -557,6 +578,18 @@ tf_dev_unbind_p58(struct tf *tfp)
                fail = true;
        }
 
+       /* Unbind the SRAM table prior to table as the table manager
+        * owns and frees the table DB while the SRAM table manager owns
+        * and manages it's internal data structures.  SRAM table manager
+        * relies on the table rm_db to exist.
+        */
+       rc = tf_tbl_sram_unbind(tfp);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Device unbind failed, SRAM table\n");
+               fail = true;
+       }
+
        rc = tf_tbl_unbind(tfp);
        if (rc) {
                TFP_DRV_LOG(INFO,
@@ -571,14 +604,14 @@ tf_dev_unbind_p58(struct tf *tfp)
                fail = true;
        }
 
-       if (!tf_session_is_shared_session(tfs)) {
-               rc = tf_if_tbl_unbind(tfp);
-               if (rc) {
-                       TFP_DRV_LOG(ERR,
-                                   "Device unbind failed, IF Table Type\n");
-                       fail = true;
-               }
+       rc = tf_if_tbl_unbind(tfp);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Device unbind failed, IF Table Type\n");
+               fail = true;
+       }
 
+       if (!tf_session_is_shared_session(tfs)) {
                rc = tf_global_cfg_unbind(tfp);
                if (rc) {
                        TFP_DRV_LOG(ERR,
@@ -598,6 +631,7 @@ tf_dev_bind(struct tf *tfp __rte_unused,
            enum tf_device_type type,
            bool shadow_copy,
            struct tf_session_resources *resources,
+           uint16_t wc_num_slices,
            struct tf_dev_info *dev_handle)
 {
        switch (type) {
@@ -607,13 +641,15 @@ tf_dev_bind(struct tf *tfp __rte_unused,
                return tf_dev_bind_p4(tfp,
                                      shadow_copy,
                                      resources,
-                                     dev_handle);
+                                     dev_handle,
+                                     wc_num_slices);
        case TF_DEVICE_TYPE_THOR:
                dev_handle->type = type;
                return tf_dev_bind_p58(tfp,
                                       shadow_copy,
                                       resources,
-                                      dev_handle);
+                                      dev_handle,
+                                      wc_num_slices);
        default:
                TFP_DRV_LOG(ERR,
                            "No such device\n");