net/ice/base: consolidate MAC config set
authorQi Zhang <qi.z.zhang@intel.com>
Mon, 15 Jun 2020 02:04:27 +0000 (10:04 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Tue, 16 Jun 2020 17:21:07 +0000 (19:21 +0200)
Consolidate implementation of ice_aq_set_mac_cfg for switch mode
and NIC mode. As per the specification, the driver needs to call
set_mac_cfg (opcode 0x0603) to be able to exercise jumbo frames.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Jeb Cramer <jeb.j.cramer@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@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_common.c
drivers/net/ice/base/ice_hw_autogen.h

index 4b4555f..051eb8c 100644 (file)
@@ -409,6 +409,43 @@ ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
        return ICE_SUCCESS;
 }
 
+/**
+ * ice_fill_tx_timer_and_fc_thresh
+ * @hw: pointer to the HW struct
+ * @cmd: pointer to MAC cfg structure
+ *
+ * Add Tx timer and FC refresh threshold info to Set MAC Config AQ command
+ * descriptor
+ */
+static void
+ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
+                               struct ice_aqc_set_mac_cfg *cmd)
+{
+       u16 fc_thres_val, tx_timer_val;
+       u32 val;
+
+       /* We read back the transmit timer and fc threshold value of
+        * LFC. Thus, we will use index =
+        * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
+        *
+        * Also, because we are opearating on transmit timer and fc
+        * threshold of LFC, we don't turn on any bit in tx_tmr_priority
+        */
+#define IDX_OF_LFC PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX
+
+       /* Retrieve the transmit timer */
+       val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(IDX_OF_LFC));
+       tx_timer_val = val &
+               PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M;
+       cmd->tx_tmr_value = CPU_TO_LE16(tx_timer_val);
+
+       /* Retrieve the fc threshold */
+       val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(IDX_OF_LFC));
+       fc_thres_val = val & PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M;
+
+       cmd->fc_refresh_threshold = CPU_TO_LE16(fc_thres_val);
+}
+
 /**
  * ice_aq_set_mac_cfg
  * @hw: pointer to the HW struct
@@ -420,10 +457,8 @@ ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
 enum ice_status
 ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
 {
-       u16 fc_threshold_val, tx_timer_val;
        struct ice_aqc_set_mac_cfg *cmd;
        struct ice_aq_desc desc;
-       u32 reg_val;
 
        cmd = &desc.params.set_mac_cfg;
 
@@ -434,27 +469,7 @@ ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
 
        cmd->max_frame_size = CPU_TO_LE16(max_frame_size);
 
-       /* We read back the transmit timer and fc threshold value of
-        * LFC. Thus, we will use index =
-        * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
-        *
-        * Also, because we are opearating on transmit timer and fc
-        * threshold of LFC, we don't turn on any bit in tx_tmr_priority
-        */
-#define IDX_OF_LFC PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX
-
-       /* Retrieve the transmit timer */
-       reg_val = rd32(hw,
-                      PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(IDX_OF_LFC));
-       tx_timer_val = reg_val &
-               PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M;
-       cmd->tx_tmr_value = CPU_TO_LE16(tx_timer_val);
-
-       /* Retrieve the fc threshold */
-       reg_val = rd32(hw,
-                      PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(IDX_OF_LFC));
-       fc_threshold_val = reg_val & MAKEMASK(0xFFFF, 0);
-       cmd->fc_refresh_threshold = CPU_TO_LE16(fc_threshold_val);
+       ice_fill_tx_timer_and_fc_thresh(hw, cmd);
 
        return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
 }
@@ -719,6 +734,10 @@ enum ice_status ice_init_hw(struct ice_hw *hw)
        status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
        ice_free(hw, mac_buf);
 
+       if (status)
+               goto err_unroll_fltr_mgmt_struct;
+       /* enable jumbo frame support at MAC level */
+       status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
        if (status)
                goto err_unroll_fltr_mgmt_struct;
        /* Obtain counter base index which would be used by flow director */
index 1c9c84d..572f481 100644 (file)
 #define PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M MAKEMASK(0xFFFF, 0)
 #define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(_i) (0x001E3800 + ((_i) * 32)) /* _i=0...8 */ /* Reset Source: GLOBR */
 #define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_MAX_INDEX 8
-#define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_S 0
-#define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M MAKEMASK(0xFFFF, 0)
+#define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_S 0
+#define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M MAKEMASK(0xFFFF, 0)
 #define PRTMAC_HSEC_CTL_TX_SA_PART1            0x001E3960 /* Reset Source: GLOBR */
 #define PRTMAC_HSEC_CTL_TX_SA_PART1_HSEC_CTL_TX_SA_PART1_S 0
 #define PRTMAC_HSEC_CTL_TX_SA_PART1_HSEC_CTL_TX_SA_PART1_M MAKEMASK(0xFFFFFFFF, 0)