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authorRasesh Mody <rasesh.mody@cavium.com>2018-09-29 08:14:30 +0000
committerFerruh Yigit <ferruh.yigit@intel.com>2018-10-11 18:53:48 +0200
commit0b855a345e87460fa5977078c5d8a06ebc567d8e (patch)
tree9d1e03899eceea2d8fa98c12fabbeb111361afea /drivers/net/qede
parent23c5600a884ad464eb4c81181258c8d9ea6d116f (diff)
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net/qede/base: add API to update FW RSS indirection table
Added ecore_update_eth_rss_ind_table_entry() api to update FW RSS indirection table entry according to new interface of FW 8.37.x.x. Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
Diffstat (limited to 'drivers/net/qede')
-rw-r--r--drivers/net/qede/base/ecore_l2.c52
-rw-r--r--drivers/net/qede/base/ecore_l2_api.h24
2 files changed, 76 insertions, 0 deletions
diff --git a/drivers/net/qede/base/ecore_l2.c b/drivers/net/qede/base/ecore_l2.c
index ec40aac..d87ffda 100644
--- a/drivers/net/qede/base/ecore_l2.c
+++ b/drivers/net/qede/base/ecore_l2.c
@@ -2323,3 +2323,55 @@ ecore_eth_tx_queue_maxrate(struct ecore_hwfn *p_hwfn,
return ecore_init_vport_rl(p_hwfn, p_ptt, vport, rate,
p_link->speed);
}
+
+#define RSS_TSTORM_UPDATE_STATUS_MAX_POLL_COUNT 100
+#define RSS_TSTORM_UPDATE_STATUS_POLL_PERIOD_US 1
+
+enum _ecore_status_t
+ecore_update_eth_rss_ind_table_entry(struct ecore_hwfn *p_hwfn,
+ u8 vport_id,
+ u8 ind_table_index,
+ u16 ind_table_value)
+{
+ struct eth_tstorm_rss_update_data update_data = { 0 };
+ void OSAL_IOMEM *addr = OSAL_NULL;
+ enum _ecore_status_t rc;
+ u8 abs_vport_id;
+ u32 cnt = 0;
+
+ OSAL_BUILD_BUG_ON(sizeof(update_data) != sizeof(u64));
+
+ rc = ecore_fw_vport(p_hwfn, vport_id, &abs_vport_id);
+ if (rc != ECORE_SUCCESS)
+ return rc;
+
+ addr = (u8 OSAL_IOMEM *)p_hwfn->regview +
+ GTT_BAR0_MAP_REG_TSDM_RAM +
+ TSTORM_ETH_RSS_UPDATE_OFFSET(p_hwfn->rel_pf_id);
+
+ *(u64 *)(&update_data) = DIRECT_REG_RD64(p_hwfn, addr);
+
+ for (cnt = 0; update_data.valid &&
+ cnt < RSS_TSTORM_UPDATE_STATUS_MAX_POLL_COUNT; cnt++) {
+ OSAL_UDELAY(RSS_TSTORM_UPDATE_STATUS_POLL_PERIOD_US);
+ *(u64 *)(&update_data) = DIRECT_REG_RD64(p_hwfn, addr);
+ }
+
+ if (update_data.valid) {
+ DP_NOTICE(p_hwfn, true,
+ "rss update valid status is not clear! valid=0x%x vport id=%d ind_Table_idx=%d ind_table_value=%d.\n",
+ update_data.valid, vport_id, ind_table_index,
+ ind_table_value);
+
+ return ECORE_AGAIN;
+ }
+
+ update_data.valid = 1;
+ update_data.ind_table_index = ind_table_index;
+ update_data.ind_table_value = ind_table_value;
+ update_data.vport_id = abs_vport_id;
+
+ DIRECT_REG_WR64(p_hwfn, addr, *(u64 *)(&update_data));
+
+ return ECORE_SUCCESS;
+}
diff --git a/drivers/net/qede/base/ecore_l2_api.h b/drivers/net/qede/base/ecore_l2_api.h
index bde825c..21595f3 100644
--- a/drivers/net/qede/base/ecore_l2_api.h
+++ b/drivers/net/qede/base/ecore_l2_api.h
@@ -470,4 +470,28 @@ ecore_configure_rfs_ntuple_filter(struct ecore_hwfn *p_hwfn,
dma_addr_t p_addr, u16 length,
u16 qid, u8 vport_id,
bool b_is_add);
+
+/**
+ * @brief - ecore_update_eth_rss_ind_table_entry
+ *
+ * This function being used to update RSS indirection table entry to FW RAM
+ * instead of using the SP vport update ramrod with rss params.
+ *
+ * Notice:
+ * This function supports only one outstanding command per engine. Ecore
+ * clients which use this function should call ecore_mcp_ind_table_lock() prior
+ * to it and ecore_mcp_ind_table_unlock() after it.
+ *
+ * @params p_hwfn
+ * @params vport_id
+ * @params ind_table_index
+ * @params ind_table_value
+ *
+ * @return enum _ecore_status_t
+ */
+enum _ecore_status_t
+ecore_update_eth_rss_ind_table_entry(struct ecore_hwfn *p_hwfn,
+ u8 vport_id,
+ u8 ind_table_index,
+ u16 ind_table_value);
#endif