From b9a4525450758dd75edbdaee97425ba7546c2b5c Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Tue, 5 Dec 2023 17:01:08 -0800 Subject: intel: legacy: field get conversion Refactor several older Intel drivers to use FIELD_GET(), which reduces lines of code and adds clarity of intent. This code was generated by the following coccinelle/spatch script and then manually repaired. @get@ constant shift,mask; type T; expression a; @@ ( -((T)((a) & mask) >> shift) +FIELD_GET(mask, a) and applied via: spatch --sp-file field_prep.cocci --in-place --dir \ drivers/net/ethernet/intel/ Cc: Julia Lawall CC: Alexander Lobakin Reviewed-by: Marcin Szycik Reviewed-by: Simon Horman Signed-off-by: Jesse Brandeburg Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igb/e1000_82575.c | 29 +++++++++++----------------- drivers/net/ethernet/intel/igb/e1000_i210.c | 15 +++++++------- drivers/net/ethernet/intel/igb/e1000_mac.c | 2 +- drivers/net/ethernet/intel/igb/e1000_nvm.c | 14 ++++++-------- drivers/net/ethernet/intel/igb/e1000_phy.c | 9 +++------ drivers/net/ethernet/intel/igb/igb_ethtool.c | 8 ++++---- drivers/net/ethernet/intel/igb/igb_main.c | 4 ++-- 7 files changed, 35 insertions(+), 46 deletions(-) (limited to 'drivers/net/ethernet/intel/igb') diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 8d6e44ee1895..64dfc362d1dc 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -222,8 +222,7 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw) } /* set lan id */ - hw->bus.func = (rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) >> - E1000_STATUS_FUNC_SHIFT; + hw->bus.func = FIELD_GET(E1000_STATUS_FUNC_MASK, rd32(E1000_STATUS)); /* Set phy->phy_addr and phy->id. */ ret_val = igb_get_phy_id_82575(hw); @@ -262,8 +261,8 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw) if (ret_val) goto out; - data = (data & E1000_M88E1112_MAC_CTRL_1_MODE_MASK) >> - E1000_M88E1112_MAC_CTRL_1_MODE_SHIFT; + data = FIELD_GET(E1000_M88E1112_MAC_CTRL_1_MODE_MASK, + data); if (data == E1000_M88E1112_AUTO_COPPER_SGMII || data == E1000_M88E1112_AUTO_COPPER_BASEX) hw->mac.ops.check_for_link = @@ -330,8 +329,7 @@ static s32 igb_init_nvm_params_82575(struct e1000_hw *hw) u32 eecd = rd32(E1000_EECD); u16 size; - size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >> - E1000_EECD_SIZE_EX_SHIFT); + size = FIELD_GET(E1000_EECD_SIZE_EX_MASK, eecd); /* Added to a constant, "size" becomes the left-shift value * for setting word_size. @@ -2798,7 +2796,7 @@ static s32 igb_get_thermal_sensor_data_generic(struct e1000_hw *hw) return 0; hw->nvm.ops.read(hw, ets_offset, 1, &ets_cfg); - if (((ets_cfg & NVM_ETS_TYPE_MASK) >> NVM_ETS_TYPE_SHIFT) + if (FIELD_GET(NVM_ETS_TYPE_MASK, ets_cfg) != NVM_ETS_TYPE_EMC) return E1000_NOT_IMPLEMENTED; @@ -2808,10 +2806,8 @@ static s32 igb_get_thermal_sensor_data_generic(struct e1000_hw *hw) for (i = 1; i < num_sensors; i++) { hw->nvm.ops.read(hw, (ets_offset + i), 1, &ets_sensor); - sensor_index = ((ets_sensor & NVM_ETS_DATA_INDEX_MASK) >> - NVM_ETS_DATA_INDEX_SHIFT); - sensor_location = ((ets_sensor & NVM_ETS_DATA_LOC_MASK) >> - NVM_ETS_DATA_LOC_SHIFT); + sensor_index = FIELD_GET(NVM_ETS_DATA_INDEX_MASK, ets_sensor); + sensor_location = FIELD_GET(NVM_ETS_DATA_LOC_MASK, ets_sensor); if (sensor_location != 0) hw->phy.ops.read_i2c_byte(hw, @@ -2859,20 +2855,17 @@ static s32 igb_init_thermal_sensor_thresh_generic(struct e1000_hw *hw) return 0; hw->nvm.ops.read(hw, ets_offset, 1, &ets_cfg); - if (((ets_cfg & NVM_ETS_TYPE_MASK) >> NVM_ETS_TYPE_SHIFT) + if (FIELD_GET(NVM_ETS_TYPE_MASK, ets_cfg) != NVM_ETS_TYPE_EMC) return E1000_NOT_IMPLEMENTED; - low_thresh_delta = ((ets_cfg & NVM_ETS_LTHRES_DELTA_MASK) >> - NVM_ETS_LTHRES_DELTA_SHIFT); + low_thresh_delta = FIELD_GET(NVM_ETS_LTHRES_DELTA_MASK, ets_cfg); num_sensors = (ets_cfg & NVM_ETS_NUM_SENSORS_MASK); for (i = 1; i <= num_sensors; i++) { hw->nvm.ops.read(hw, (ets_offset + i), 1, &ets_sensor); - sensor_index = ((ets_sensor & NVM_ETS_DATA_INDEX_MASK) >> - NVM_ETS_DATA_INDEX_SHIFT); - sensor_location = ((ets_sensor & NVM_ETS_DATA_LOC_MASK) >> - NVM_ETS_DATA_LOC_SHIFT); + sensor_index = FIELD_GET(NVM_ETS_DATA_INDEX_MASK, ets_sensor); + sensor_location = FIELD_GET(NVM_ETS_DATA_LOC_MASK, ets_sensor); therm_limit = ets_sensor & NVM_ETS_DATA_HTHRESH_MASK; hw->phy.ops.write_i2c_byte(hw, diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c index 53b396fd194a..503b239868e8 100644 --- a/drivers/net/ethernet/intel/igb/e1000_i210.c +++ b/drivers/net/ethernet/intel/igb/e1000_i210.c @@ -473,7 +473,7 @@ s32 igb_read_invm_version(struct e1000_hw *hw, /* Check if we have second version location used */ else if ((i == 1) && ((*record & E1000_INVM_VER_FIELD_TWO) == 0)) { - version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3; + version = FIELD_GET(E1000_INVM_VER_FIELD_ONE, *record); status = 0; break; } @@ -483,8 +483,8 @@ s32 igb_read_invm_version(struct e1000_hw *hw, else if ((((*record & E1000_INVM_VER_FIELD_ONE) == 0) && ((*record & 0x3) == 0)) || (((*record & 0x3) != 0) && (i != 1))) { - version = (*next_record & E1000_INVM_VER_FIELD_TWO) - >> 13; + version = FIELD_GET(E1000_INVM_VER_FIELD_TWO, + *next_record); status = 0; break; } @@ -493,15 +493,15 @@ s32 igb_read_invm_version(struct e1000_hw *hw, */ else if (((*record & E1000_INVM_VER_FIELD_TWO) == 0) && ((*record & 0x3) == 0)) { - version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3; + version = FIELD_GET(E1000_INVM_VER_FIELD_ONE, *record); status = 0; break; } } if (!status) { - invm_ver->invm_major = (version & E1000_INVM_MAJOR_MASK) - >> E1000_INVM_MAJOR_SHIFT; + invm_ver->invm_major = FIELD_GET(E1000_INVM_MAJOR_MASK, + version); invm_ver->invm_minor = version & E1000_INVM_MINOR_MASK; } /* Read Image Type */ @@ -520,7 +520,8 @@ s32 igb_read_invm_version(struct e1000_hw *hw, ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) || ((((*record & 0x3) != 0) && (i != 1)))) { invm_ver->invm_img_type = - (*next_record & E1000_INVM_IMGTYPE_FIELD) >> 23; + FIELD_GET(E1000_INVM_IMGTYPE_FIELD, + *next_record); status = 0; break; } diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c index 5a23b9cfec6c..fa3dfafd2bb1 100644 --- a/drivers/net/ethernet/intel/igb/e1000_mac.c +++ b/drivers/net/ethernet/intel/igb/e1000_mac.c @@ -56,7 +56,7 @@ s32 igb_get_bus_info_pcie(struct e1000_hw *hw) } reg = rd32(E1000_STATUS); - bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT; + bus->func = FIELD_GET(E1000_STATUS_FUNC_MASK, reg); return 0; } diff --git a/drivers/net/ethernet/intel/igb/e1000_nvm.c b/drivers/net/ethernet/intel/igb/e1000_nvm.c index 0da57e89593a..2dcd64d6dec3 100644 --- a/drivers/net/ethernet/intel/igb/e1000_nvm.c +++ b/drivers/net/ethernet/intel/igb/e1000_nvm.c @@ -708,10 +708,10 @@ void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers) */ if ((etrack_test & NVM_MAJOR_MASK) != NVM_ETRACK_VALID) { hw->nvm.ops.read(hw, NVM_VERSION, 1, &fw_version); - fw_vers->eep_major = (fw_version & NVM_MAJOR_MASK) - >> NVM_MAJOR_SHIFT; - fw_vers->eep_minor = (fw_version & NVM_MINOR_MASK) - >> NVM_MINOR_SHIFT; + fw_vers->eep_major = FIELD_GET(NVM_MAJOR_MASK, + fw_version); + fw_vers->eep_minor = FIELD_GET(NVM_MINOR_MASK, + fw_version); fw_vers->eep_build = (fw_version & NVM_IMAGE_ID_MASK); goto etrack_id; } @@ -753,15 +753,13 @@ void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers) return; } hw->nvm.ops.read(hw, NVM_VERSION, 1, &fw_version); - fw_vers->eep_major = (fw_version & NVM_MAJOR_MASK) - >> NVM_MAJOR_SHIFT; + fw_vers->eep_major = FIELD_GET(NVM_MAJOR_MASK, fw_version); /* check for old style version format in newer images*/ if ((fw_version & NVM_NEW_DEC_MASK) == 0x0) { eeprom_verl = (fw_version & NVM_COMB_VER_MASK); } else { - eeprom_verl = (fw_version & NVM_MINOR_MASK) - >> NVM_MINOR_SHIFT; + eeprom_verl = FIELD_GET(NVM_MINOR_MASK, fw_version); } /* Convert minor value to hex before assigning to output struct * Val to be converted will not be higher than 99, per tool output diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index c84e7356cdb1..cd65008c7ef5 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -1682,8 +1682,7 @@ s32 igb_get_cable_length_m88(struct e1000_hw *hw) if (ret_val) goto out; - index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> - M88E1000_PSSR_CABLE_LENGTH_SHIFT; + index = FIELD_GET(M88E1000_PSSR_CABLE_LENGTH, phy_data); if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) { ret_val = -E1000_ERR_PHY; goto out; @@ -1796,8 +1795,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw) if (ret_val) goto out; - index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> - M88E1000_PSSR_CABLE_LENGTH_SHIFT; + index = FIELD_GET(M88E1000_PSSR_CABLE_LENGTH, phy_data); if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) { ret_val = -E1000_ERR_PHY; goto out; @@ -2578,8 +2576,7 @@ s32 igb_get_cable_length_82580(struct e1000_hw *hw) if (ret_val) goto out; - length = (phy_data & I82580_DSTATUS_CABLE_LENGTH) >> - I82580_DSTATUS_CABLE_LENGTH_SHIFT; + length = FIELD_GET(I82580_DSTATUS_CABLE_LENGTH, phy_data); if (length == E1000_CABLE_LENGTH_UNDEFINED) ret_val = -E1000_ERR_PHY; diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 9d79ea3cd528..b66199c9bb3a 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2432,7 +2432,7 @@ static int igb_get_ts_info(struct net_device *dev, } } -#define ETHER_TYPE_FULL_MASK ((__force __be16)~0) +#define ETHER_TYPE_FULL_MASK cpu_to_be16(FIELD_MAX(U16_MAX)) static int igb_get_ethtool_nfc_entry(struct igb_adapter *adapter, struct ethtool_rxnfc *cmd) { @@ -2730,8 +2730,8 @@ static int igb_rxnfc_write_vlan_prio_filter(struct igb_adapter *adapter, u32 vlapqf; vlapqf = rd32(E1000_VLAPQF); - vlan_priority = (ntohs(input->filter.vlan_tci) & VLAN_PRIO_MASK) - >> VLAN_PRIO_SHIFT; + vlan_priority = FIELD_GET(VLAN_PRIO_MASK, + ntohs(input->filter.vlan_tci)); queue_index = (vlapqf >> (vlan_priority * 4)) & E1000_VLAPQF_QUEUE_MASK; /* check whether this vlan prio is already set */ @@ -2814,7 +2814,7 @@ static void igb_clear_vlan_prio_filter(struct igb_adapter *adapter, u8 vlan_priority; u32 vlapqf; - vlan_priority = (vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; + vlan_priority = FIELD_GET(VLAN_PRIO_MASK, vlan_tci); vlapqf = rd32(E1000_VLAPQF); vlapqf &= ~E1000_VLAPQF_P_VALID(vlan_priority); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 897eb36bb609..4df8d4153aa5 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7295,7 +7295,7 @@ static int igb_set_vf_promisc(struct igb_adapter *adapter, u32 *msgbuf, u32 vf) static int igb_set_vf_multicasts(struct igb_adapter *adapter, u32 *msgbuf, u32 vf) { - int n = (msgbuf[0] & E1000_VT_MSGINFO_MASK) >> E1000_VT_MSGINFO_SHIFT; + int n = FIELD_GET(E1000_VT_MSGINFO_MASK, msgbuf[0]); u16 *hash_list = (u16 *)&msgbuf[1]; struct vf_data_storage *vf_data = &adapter->vf_data[vf]; int i; @@ -7555,7 +7555,7 @@ static int igb_ndo_set_vf_vlan(struct net_device *netdev, int vf, static int igb_set_vf_vlan_msg(struct igb_adapter *adapter, u32 *msgbuf, u32 vf) { - int add = (msgbuf[0] & E1000_VT_MSGINFO_MASK) >> E1000_VT_MSGINFO_SHIFT; + int add = FIELD_GET(E1000_VT_MSGINFO_MASK, msgbuf[0]); int vid = (msgbuf[1] & E1000_VLVF_VLANID_MASK); int ret; -- cgit