net/ice/base: reduce profile to recip info get from firmware
authorQi Zhang <qi.z.zhang@intel.com>
Wed, 26 Aug 2020 10:39:47 +0000 (18:39 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Fri, 18 Sep 2020 16:55:09 +0000 (18:55 +0200)
Only need to get profile_to_recip info from firmware for
profiles used by switch, no need for other free profile
in order that we can reduce the time consumed when
download a switch rule.

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Qiming Yang <qiming.yang@intel.com>
drivers/net/ice/base/ice_flex_pipe.c
drivers/net/ice/base/ice_switch.c
drivers/net/ice/base/ice_type.h

index 923d994..8d918ef 100644 (file)
@@ -1344,6 +1344,88 @@ fw_ddp_compat_free_alloc:
        return status;
 }
 
+/**
+ * ice_sw_fv_handler
+ * @sect_type: section type
+ * @section: pointer to section
+ * @index: index of the field vector entry to be returned
+ * @offset: ptr to variable that receives the offset in the field vector table
+ *
+ * This is a callback function that can be passed to ice_pkg_enum_entry.
+ * This function treats the given section as of type ice_sw_fv_section and
+ * enumerates offset field. "offset" is an index into the field vector table.
+ */
+static void *
+ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
+{
+       struct ice_sw_fv_section *fv_section =
+               (struct ice_sw_fv_section *)section;
+
+       if (!section || sect_type != ICE_SID_FLD_VEC_SW)
+               return NULL;
+       if (index >= LE16_TO_CPU(fv_section->count))
+               return NULL;
+       if (offset)
+               /* "index" passed in to this function is relative to a given
+                * 4k block. To get to the true index into the field vector
+                * table need to add the relative index to the base_offset
+                * field of this section
+                */
+               *offset = LE16_TO_CPU(fv_section->base_offset) + index;
+       return fv_section->fv + index;
+}
+
+/**
+ * ice_get_prof_index_max - get the max profile index for used profile
+ * @hw: pointer to the HW struct
+ *
+ * Calling this function will get the max profile index for used profile
+ * and store the index number in struct ice_switch_info *switch_info
+ * in hw for following use.
+ */
+static int ice_get_prof_index_max(struct ice_hw *hw)
+{
+       u16 prof_index = 0, j, max_prof_index = 0;
+       struct ice_pkg_enum state;
+       struct ice_seg *ice_seg;
+       bool flag = false;
+       struct ice_fv *fv;
+       u32 offset;
+
+       ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
+
+       if (!hw->seg)
+               return ICE_ERR_PARAM;
+
+       ice_seg = hw->seg;
+
+       do {
+               fv = (struct ice_fv *)
+                       ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW,
+                                          &offset, ice_sw_fv_handler);
+               if (!fv)
+                       break;
+               ice_seg = NULL;
+
+               /* in the profile that not be used, the prot_id is set to 0xff
+                * and the off is set to 0x1ff for all the field vectors.
+                */
+               for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
+                       if (fv->ew[j].prot_id != ICE_PROT_INVALID ||
+                           fv->ew[j].off != ICE_FV_OFFSET_INVAL)
+                               flag = true;
+               if (flag && prof_index > max_prof_index)
+                       max_prof_index = prof_index;
+
+               prof_index++;
+               flag = false;
+       } while (fv);
+
+       hw->switch_info->max_used_prof_index = max_prof_index;
+
+       return ICE_SUCCESS;
+}
+
 /**
  * ice_init_pkg - initialize/download package
  * @hw: pointer to the hardware structure
@@ -1423,6 +1505,7 @@ enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
                 */
                ice_init_pkg_regs(hw);
                ice_fill_blk_tbls(hw);
+               ice_get_prof_index_max(hw);
        } else {
                ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
                          status);
@@ -1499,38 +1582,6 @@ static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
        return bld;
 }
 
-/**
- * ice_sw_fv_handler
- * @sect_type: section type
- * @section: pointer to section
- * @index: index of the field vector entry to be returned
- * @offset: ptr to variable that receives the offset in the field vector table
- *
- * This is a callback function that can be passed to ice_pkg_enum_entry.
- * This function treats the given section as of type ice_sw_fv_section and
- * enumerates offset field. "offset" is an index into the field vector
- * vector table.
- */
-static void *
-ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset)
-{
-       struct ice_sw_fv_section *fv_section =
-               (struct ice_sw_fv_section *)section;
-
-       if (!section || sect_type != ICE_SID_FLD_VEC_SW)
-               return NULL;
-       if (index >= LE16_TO_CPU(fv_section->count))
-               return NULL;
-       if (offset)
-               /* "index" passed in to this function is relative to a given
-                * 4k block. To get to the true index into the field vector
-                * table need to add the relative index to the base_offset
-                * field of this section
-                */
-               *offset = LE16_TO_CPU(fv_section->base_offset) + index;
-       return fv_section->fv + index;
-}
-
 /**
  * ice_get_sw_prof_type - determine switch profile type
  * @hw: pointer to the HW structure
index a82af6f..4d193b3 100644 (file)
@@ -1591,7 +1591,7 @@ static void ice_get_recp_to_prof_map(struct ice_hw *hw)
        ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
        u16 i;
 
-       for (i = 0; i < ICE_MAX_NUM_PROFILES; i++) {
+       for (i = 0; i < hw->switch_info->max_used_prof_index + 1; i++) {
                u16 j;
 
                ice_zero_bitmap(profile_to_recipe[i], ICE_MAX_NUM_RECIPES);
index 997f97e..266f550 100644 (file)
@@ -792,6 +792,7 @@ struct ice_switch_info {
        struct LIST_HEAD_TYPE vsi_list_map_head;
        struct ice_sw_recipe *recp_list;
        u16 prof_res_bm_init;
+       u16 max_used_prof_index;
 
        ice_declare_bitmap(prof_res_bm[ICE_MAX_NUM_PROFILES], ICE_MAX_FV_WORDS);
 };