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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_flex_pipe.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_flex_pipe.c106
1 files changed, 92 insertions, 14 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
index fa2ebd548b1c..afe77f7a3199 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
@@ -2506,20 +2506,22 @@ static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
* ice_alloc_tcam_ent - allocate hardware TCAM entry
* @hw: pointer to the HW struct
* @blk: the block to allocate the TCAM for
+ * @btm: true to allocate from bottom of table, false to allocate from top
* @tcam_idx: pointer to variable to receive the TCAM entry
*
* This function allocates a new entry in a Profile ID TCAM for a specific
* block.
*/
static enum ice_status
-ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx)
+ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm,
+ u16 *tcam_idx)
{
u16 res_type;
if (!ice_tcam_ent_rsrc_type(blk, &res_type))
return ICE_ERR_PARAM;
- return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx);
+ return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx);
}
/**
@@ -4113,12 +4115,67 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
return 0;
}
+/* The entries here needs to match the order of enum ice_ptype_attrib */
+static const struct ice_ptype_attrib_info ice_ptype_attributes[] = {
+ { ICE_GTP_PDU_EH, ICE_GTP_PDU_FLAG_MASK },
+ { ICE_GTP_SESSION, ICE_GTP_FLAGS_MASK },
+ { ICE_GTP_DOWNLINK, ICE_GTP_FLAGS_MASK },
+ { ICE_GTP_UPLINK, ICE_GTP_FLAGS_MASK },
+};
+
+/**
+ * ice_get_ptype_attrib_info - get PTYPE attribute information
+ * @type: attribute type
+ * @info: pointer to variable to the attribute information
+ */
+static void
+ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type,
+ struct ice_ptype_attrib_info *info)
+{
+ *info = ice_ptype_attributes[type];
+}
+
+/**
+ * ice_add_prof_attrib - add any PTG with attributes to profile
+ * @prof: pointer to the profile to which PTG entries will be added
+ * @ptg: PTG to be added
+ * @ptype: PTYPE that needs to be looked up
+ * @attr: array of attributes that will be considered
+ * @attr_cnt: number of elements in the attribute array
+ */
+static enum ice_status
+ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype,
+ const struct ice_ptype_attributes *attr, u16 attr_cnt)
+{
+ bool found = false;
+ u16 i;
+
+ for (i = 0; i < attr_cnt; i++)
+ if (attr[i].ptype == ptype) {
+ found = true;
+
+ prof->ptg[prof->ptg_cnt] = ptg;
+ ice_get_ptype_attrib_info(attr[i].attrib,
+ &prof->attr[prof->ptg_cnt]);
+
+ if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
+ return ICE_ERR_MAX_LIMIT;
+ }
+
+ if (!found)
+ return ICE_ERR_DOES_NOT_EXIST;
+
+ return 0;
+}
+
/**
* ice_add_prof - add profile
* @hw: pointer to the HW struct
* @blk: hardware block
* @id: profile tracking ID
* @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits)
+ * @attr: array of attributes
+ * @attr_cnt: number of elements in attr array
* @es: extraction sequence (length of array is determined by the block)
* @masks: mask for extraction sequence
*
@@ -4129,6 +4186,7 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
*/
enum ice_status
ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
+ const struct ice_ptype_attributes *attr, u16 attr_cnt,
struct ice_fv_word *es, u16 *masks)
{
u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
@@ -4198,7 +4256,6 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
BITS_PER_BYTE) {
u16 ptype;
u8 ptg;
- u8 m;
ptype = byte * BITS_PER_BYTE + bit;
@@ -4213,15 +4270,25 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
continue;
set_bit(ptg, ptgs_used);
- prof->ptg[prof->ptg_cnt] = ptg;
-
- if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
+ /* Check to see there are any attributes for
+ * this PTYPE, and add them if found.
+ */
+ status = ice_add_prof_attrib(prof, ptg, ptype,
+ attr, attr_cnt);
+ if (status == ICE_ERR_MAX_LIMIT)
break;
+ if (status) {
+ /* This is simple a PTYPE/PTG with no
+ * attribute
+ */
+ prof->ptg[prof->ptg_cnt] = ptg;
+ prof->attr[prof->ptg_cnt].flags = 0;
+ prof->attr[prof->ptg_cnt].mask = 0;
- /* nothing left in byte, then exit */
- m = ~(u8)((1 << (bit + 1)) - 1);
- if (!(ptypes[byte] & m))
- break;
+ if (++prof->ptg_cnt >=
+ ICE_MAX_PTG_PER_PROFILE)
+ break;
+ }
}
bytes--;
@@ -4732,7 +4799,12 @@ ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
}
/* for re-enabling, reallocate a TCAM */
- status = ice_alloc_tcam_ent(hw, blk, &tcam->tcam_idx);
+ /* for entries with empty attribute masks, allocate entry from
+ * the bottom of the TCAM table; otherwise, allocate from the
+ * top of the table in order to give it higher priority
+ */
+ status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0,
+ &tcam->tcam_idx);
if (status)
return status;
@@ -4742,8 +4814,8 @@ ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
return ICE_ERR_NO_MEMORY;
status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
- tcam->ptg, vsig, 0, 0, vl_msk, dc_msk,
- nm_msk);
+ tcam->ptg, vsig, 0, tcam->attr.flags,
+ vl_msk, dc_msk, nm_msk);
if (status)
goto err_ice_prof_tcam_ena_dis;
@@ -4891,7 +4963,12 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
}
/* allocate the TCAM entry index */
- status = ice_alloc_tcam_ent(hw, blk, &tcam_idx);
+ /* for entries with empty attribute masks, allocate entry from
+ * the bottom of the TCAM table; otherwise, allocate from the
+ * top of the table in order to give it higher priority
+ */
+ status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0,
+ &tcam_idx);
if (status) {
devm_kfree(ice_hw_to_dev(hw), p);
goto err_ice_add_prof_id_vsig;
@@ -4900,6 +4977,7 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
t->tcam[i].ptg = map->ptg[i];
t->tcam[i].prof_id = map->prof_id;
t->tcam[i].tcam_idx = tcam_idx;
+ t->tcam[i].attr = map->attr[i];
t->tcam[i].in_use = true;
p->type = ICE_TCAM_ADD;