From: Andre Muezerie <andremue@linux.microsoft.com>
To: andremue@linux.microsoft.com
Cc: anatoly.burakov@intel.com, bruce.richardson@intel.com,
dev@dpdk.org, ian.stokes@intel.com, jochen.behrens@broadcom.com,
vladimir.medvedkin@intel.com, stephen@networkplumber.org
Subject: [PATCH v4] drivers/net: use 64-bit shift and avoid signed/unsigned mismatch
Date: Wed, 5 Feb 2025 11:32:24 -0800 [thread overview]
Message-ID: <1738783944-10172-1-git-send-email-andremue@linux.microsoft.com> (raw)
In-Reply-To: <1735246770-731-1-git-send-email-andremue@linux.microsoft.com>
This patch avoids warnings like the ones below emitted by MSVC:
1)
../drivers/net/ice/base/ice_flg_rd.c(71): warning C4334: '<<':
result of 32-bit shift implicitly converted to 64 bits
(was 64-bit shift intended?)
2)
../drivers/net/ice/ice_dcf_sched.c(177): warning C4018: '>=':
signed/unsigned mismatch
The fix for (1) is to use 64-bit shifting when appropriate
(according to what the result is used for).
The fix for (2) is to explicitly cast the variables used in the
comparison.
Signed-off-by: Andre Muezerie <andremue@linux.microsoft.com>
---
drivers/net/intel/i40e/i40e_ethdev.c | 22 +++++++++++-----------
drivers/net/intel/iavf/iavf_ethdev.c | 2 +-
drivers/net/intel/iavf/iavf_rxtx.c | 2 +-
drivers/net/intel/iavf/iavf_vchnl.c | 2 +-
drivers/net/intel/ice/base/meson.build | 19 +++++++++++++------
drivers/net/intel/ice/ice_dcf_sched.c | 2 +-
drivers/net/intel/ice/ice_ethdev.c | 4 ++--
drivers/net/intel/ice/ice_rxtx.c | 2 +-
drivers/net/intel/ixgbe/ixgbe_ethdev.c | 2 +-
drivers/net/vmxnet3/vmxnet3_ethdev.h | 6 +++---
10 files changed, 35 insertions(+), 28 deletions(-)
diff --git a/drivers/net/intel/i40e/i40e_ethdev.c b/drivers/net/intel/i40e/i40e_ethdev.c
index bf5560ccc8..7a962c239d 100644
--- a/drivers/net/intel/i40e/i40e_ethdev.c
+++ b/drivers/net/intel/i40e/i40e_ethdev.c
@@ -3094,7 +3094,7 @@ i40e_stat_update_48_in_64(struct i40e_hw *hw, uint32_t hireg,
/* enlarge the limitation when statistics counters overflowed */
if (offset_loaded) {
if (I40E_RXTX_BYTES_L_48_BIT(*prev_stat) > *stat)
- *stat += (uint64_t)1 << I40E_48_BIT_WIDTH;
+ *stat += RTE_BIT64(I40E_48_BIT_WIDTH);
*stat += I40E_RXTX_BYTES_H_16_BIT(*prev_stat);
}
*prev_stat = *stat;
@@ -4494,7 +4494,7 @@ i40e_macaddr_remove(struct rte_eth_dev *dev, uint32_t index)
pool_sel = dev->data->mac_pool_sel[index];
for (i = 0; i < sizeof(pool_sel) * CHAR_BIT; i++) {
- if (pool_sel & (1ULL << i)) {
+ if (pool_sel & RTE_BIT64(i)) {
if (i == 0)
vsi = pf->main_vsi;
else {
@@ -4630,7 +4630,7 @@ i40e_dev_rss_reta_update(struct rte_eth_dev *dev,
for (i = 0; i < reta_size; i++) {
idx = i / RTE_ETH_RETA_GROUP_SIZE;
shift = i % RTE_ETH_RETA_GROUP_SIZE;
- if (reta_conf[idx].mask & (1ULL << shift))
+ if (reta_conf[idx].mask & RTE_BIT64(shift))
lut[i] = reta_conf[idx].reta[shift];
}
ret = i40e_set_rss_lut(pf->main_vsi, lut, reta_size);
@@ -4674,7 +4674,7 @@ i40e_dev_rss_reta_query(struct rte_eth_dev *dev,
for (i = 0; i < reta_size; i++) {
idx = i / RTE_ETH_RETA_GROUP_SIZE;
shift = i % RTE_ETH_RETA_GROUP_SIZE;
- if (reta_conf[idx].mask & (1ULL << shift))
+ if (reta_conf[idx].mask & RTE_BIT64(shift))
reta_conf[idx].reta[shift] = lut[i];
}
@@ -6712,7 +6712,7 @@ i40e_vmdq_setup(struct rte_eth_dev *dev)
loop = sizeof(vmdq_conf->pool_map[0].pools) * CHAR_BIT;
for (i = 0; i < vmdq_conf->nb_pool_maps; i++) {
for (j = 0; j < loop && j < pf->nb_cfg_vmdq_vsi; j++) {
- if (vmdq_conf->pool_map[i].pools & (1UL << j)) {
+ if (vmdq_conf->pool_map[i].pools & RTE_BIT64(j)) {
PMD_INIT_LOG(INFO, "Add vlan %u to vmdq pool %u",
vmdq_conf->pool_map[i].vlan_id, j);
@@ -6761,7 +6761,7 @@ i40e_stat_update_32(struct i40e_hw *hw,
*stat = (uint64_t)(new_data - *offset);
else
*stat = (uint64_t)((new_data +
- ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
+ RTE_BIT64(I40E_32_BIT_WIDTH)) - *offset);
}
static void
@@ -6789,7 +6789,7 @@ i40e_stat_update_48(struct i40e_hw *hw,
*stat = new_data - *offset;
else
*stat = (uint64_t)((new_data +
- ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
+ RTE_BIT64(I40E_48_BIT_WIDTH)) - *offset);
*stat &= I40E_48_BIT_MASK;
}
@@ -7730,7 +7730,7 @@ i40e_config_hena(const struct i40e_adapter *adapter, uint64_t flags)
return hena;
for (i = RTE_ETH_FLOW_UNKNOWN + 1; i < I40E_FLOW_TYPE_MAX; i++) {
- if (flags & (1ULL << i))
+ if (flags & RTE_BIT64(i))
hena |= adapter->pctypes_tbl[i];
}
@@ -7749,7 +7749,7 @@ i40e_parse_hena(const struct i40e_adapter *adapter, uint64_t flags)
for (i = RTE_ETH_FLOW_UNKNOWN + 1; i < I40E_FLOW_TYPE_MAX; i++) {
if (flags & adapter->pctypes_tbl[i])
- rss_hf |= (1ULL << i);
+ rss_hf |= RTE_BIT64(i);
}
return rss_hf;
}
@@ -10162,7 +10162,7 @@ i40e_flowtype_to_pctype(const struct i40e_adapter *adapter, uint16_t flow_type)
if (flow_type < I40E_FLOW_TYPE_MAX) {
pctype_mask = adapter->pctypes_tbl[flow_type];
for (i = I40E_FILTER_PCTYPE_MAX - 1; i > 0; i--) {
- if (pctype_mask & (1ULL << i))
+ if (pctype_mask & RTE_BIT64(i))
return (enum i40e_filter_pctype)i;
}
}
@@ -10174,7 +10174,7 @@ i40e_pctype_to_flowtype(const struct i40e_adapter *adapter,
enum i40e_filter_pctype pctype)
{
uint16_t flowtype;
- uint64_t pctype_mask = 1ULL << pctype;
+ uint64_t pctype_mask = RTE_BIT64(pctype);
for (flowtype = RTE_ETH_FLOW_UNKNOWN + 1; flowtype < I40E_FLOW_TYPE_MAX;
flowtype++) {
diff --git a/drivers/net/intel/iavf/iavf_ethdev.c b/drivers/net/intel/iavf/iavf_ethdev.c
index 328c224c93..9cd2b0c867 100644
--- a/drivers/net/intel/iavf/iavf_ethdev.c
+++ b/drivers/net/intel/iavf/iavf_ethdev.c
@@ -2485,7 +2485,7 @@ iavf_init_proto_xtr(struct rte_eth_dev *dev)
if (!xtr_ol->required)
continue;
- if (!(vf->supported_rxdid & BIT(rxdid))) {
+ if (!(vf->supported_rxdid & RTE_BIT64(rxdid))) {
PMD_DRV_LOG(ERR,
"rxdid[%u] is not supported in hardware",
rxdid);
diff --git a/drivers/net/intel/iavf/iavf_rxtx.c b/drivers/net/intel/iavf/iavf_rxtx.c
index c48c98e5e6..657963750d 100644
--- a/drivers/net/intel/iavf/iavf_rxtx.c
+++ b/drivers/net/intel/iavf/iavf_rxtx.c
@@ -3871,7 +3871,7 @@ iavf_set_rx_function(struct rte_eth_dev *dev)
PMD_DRV_LOG(NOTICE, "request RXDID[%d] in Queue[%d] is legacy, "
"set rx_pkt_burst as legacy for all queues", rxq->rxdid, i);
use_flex = false;
- } else if (!(vf->supported_rxdid & BIT(rxq->rxdid))) {
+ } else if (!(vf->supported_rxdid & RTE_BIT64(rxq->rxdid))) {
PMD_DRV_LOG(NOTICE, "request RXDID[%d] in Queue[%d] is not supported, "
"set rx_pkt_burst as legacy for all queues", rxq->rxdid, i);
use_flex = false;
diff --git a/drivers/net/intel/iavf/iavf_vchnl.c b/drivers/net/intel/iavf/iavf_vchnl.c
index c74466735d..6feca8435e 100644
--- a/drivers/net/intel/iavf/iavf_vchnl.c
+++ b/drivers/net/intel/iavf/iavf_vchnl.c
@@ -1263,7 +1263,7 @@ iavf_configure_queues(struct iavf_adapter *adapter,
#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
if (vf->vf_res->vf_cap_flags &
VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
- if (vf->supported_rxdid & BIT(rxq[i]->rxdid)) {
+ if (vf->supported_rxdid & RTE_BIT64(rxq[i]->rxdid)) {
vc_qp->rxq.rxdid = rxq[i]->rxdid;
PMD_DRV_LOG(NOTICE, "request RXDID[%d] in Queue[%d]",
vc_qp->rxq.rxdid, i);
diff --git a/drivers/net/intel/ice/base/meson.build b/drivers/net/intel/ice/base/meson.build
index addb922ac9..dc5956f92c 100644
--- a/drivers/net/intel/ice/base/meson.build
+++ b/drivers/net/intel/ice/base/meson.build
@@ -31,18 +31,25 @@ sources = [
'ice_vf_mbx.c',
]
-error_cflags = [
- '-Wno-unused-but-set-variable',
- '-Wno-unused-variable',
- '-Wno-unused-parameter',
-]
+if is_ms_compiler
+ error_cflags = [
+ '/wd4101', # unreferenced local variable
+ '/wd4334', # result of 32-bit shift implicitly converted to 64 bits
+ ]
+else
+ error_cflags = [
+ '-Wno-unused-but-set-variable',
+ '-Wno-unused-variable',
+ '-Wno-unused-parameter',
+ ]
+endif
# Bugzilla ID: 678
if (toolchain == 'gcc' and cc.version().version_compare('>=11.0.0'))
error_cflags += ['-Wno-array-bounds']
endif
-if is_windows and cc.get_id() != 'clang'
+if is_windows and not is_ms_compiler and cc.get_id() != 'clang'
cflags += ['-fno-asynchronous-unwind-tables']
endif
diff --git a/drivers/net/intel/ice/ice_dcf_sched.c b/drivers/net/intel/ice/ice_dcf_sched.c
index 7967c35533..2832d223d1 100644
--- a/drivers/net/intel/ice/ice_dcf_sched.c
+++ b/drivers/net/intel/ice/ice_dcf_sched.c
@@ -174,7 +174,7 @@ ice_dcf_node_param_check(struct ice_dcf_hw *hw, uint32_t node_id,
}
/* for non-leaf node */
- if (node_id >= 8 * hw->num_vfs) {
+ if (node_id >= (uint32_t)(8 * hw->num_vfs)) {
if (params->nonleaf.wfq_weight_mode) {
error->type =
RTE_TM_ERROR_TYPE_NODE_PARAMS_WFQ_WEIGHT_MODE;
diff --git a/drivers/net/intel/ice/ice_ethdev.c b/drivers/net/intel/ice/ice_ethdev.c
index 80eee03204..6f6f618a2f 100644
--- a/drivers/net/intel/ice/ice_ethdev.c
+++ b/drivers/net/intel/ice/ice_ethdev.c
@@ -2469,13 +2469,13 @@ ice_get_supported_rxdid(struct ice_hw *hw)
uint32_t regval;
int i;
- supported_rxdid |= BIT(ICE_RXDID_LEGACY_1);
+ supported_rxdid |= RTE_BIT64(ICE_RXDID_LEGACY_1);
for (i = ICE_RXDID_FLEX_NIC; i < ICE_FLEX_DESC_RXDID_MAX_NUM; i++) {
regval = ICE_READ_REG(hw, GLFLXP_RXDID_FLAGS(i, 0));
if ((regval >> GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_S)
& GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_M)
- supported_rxdid |= BIT(i);
+ supported_rxdid |= RTE_BIT64(i);
}
return supported_rxdid;
}
diff --git a/drivers/net/intel/ice/ice_rxtx.c b/drivers/net/intel/ice/ice_rxtx.c
index 8dd8644b16..87a9d93e89 100644
--- a/drivers/net/intel/ice/ice_rxtx.c
+++ b/drivers/net/intel/ice/ice_rxtx.c
@@ -399,7 +399,7 @@ ice_program_hw_rx_queue(struct ice_rx_queue *rxq)
PMD_DRV_LOG(DEBUG, "Port (%u) - Rx queue (%u) is set with RXDID : %u",
rxq->port_id, rxq->queue_id, rxdid);
- if (!(pf->supported_rxdid & BIT(rxdid))) {
+ if (!(pf->supported_rxdid & RTE_BIT64(rxdid))) {
PMD_DRV_LOG(ERR, "currently package doesn't support RXDID (%u)",
rxdid);
return -EINVAL;
diff --git a/drivers/net/intel/ixgbe/ixgbe_ethdev.c b/drivers/net/intel/ixgbe/ixgbe_ethdev.c
index 5f18fbaad5..078f7b47c3 100644
--- a/drivers/net/intel/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/intel/ixgbe/ixgbe_ethdev.c
@@ -2722,7 +2722,7 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
ixgbe_set_vf_rate_limit(
dev, vf,
vfinfo[vf].tx_rate[idx],
- 1 << idx);
+ RTE_BIT64(idx));
}
ixgbe_restore_statistics_mapping(dev);
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.h b/drivers/net/vmxnet3/vmxnet3_ethdev.h
index e9ded6663d..e59cb285f4 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.h
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.h
@@ -186,14 +186,14 @@ static inline uint8_t
vmxnet3_get_ring_idx(struct vmxnet3_hw *hw, uint32 rqID)
{
return (rqID >= hw->num_rx_queues &&
- rqID < 2 * hw->num_rx_queues) ? 1 : 0;
+ rqID < (uint32)2 * hw->num_rx_queues) ? 1 : 0;
}
static inline bool
vmxnet3_rx_data_ring(struct vmxnet3_hw *hw, uint32 rqID)
{
- return (rqID >= 2 * hw->num_rx_queues &&
- rqID < 3 * hw->num_rx_queues);
+ return (rqID >= (uint32)2 * hw->num_rx_queues &&
+ rqID < (uint32)3 * hw->num_rx_queues);
}
/*
--
2.47.2.vfs.0.1
next prev parent reply other threads:[~2025-02-05 19:32 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-26 20:59 [PATCH] drivers_net: use 64-bit shift and avoid signed/unsigned mismatch Andre Muezerie
2025-01-06 10:54 ` Bruce Richardson
2025-01-06 21:16 ` Andre Muezerie
2025-01-06 21:16 ` [PATCH v2] drivers/net: " Andre Muezerie
2025-01-14 18:41 ` Stephen Hemminger
2025-01-14 21:08 ` Andre Muezerie
2025-01-14 23:30 ` Stephen Hemminger
2025-01-14 21:05 ` [PATCH v3] " Andre Muezerie
2025-02-05 18:35 ` Stephen Hemminger
2025-02-05 19:38 ` Andre Muezerie
2025-02-05 19:32 ` Andre Muezerie [this message]
2025-02-06 11:07 ` [PATCH v4] " Bruce Richardson
2025-02-07 15:46 ` Andre Muezerie
2025-02-07 15:56 ` Bruce Richardson
2025-02-07 17:47 ` Andre Muezerie
2025-02-07 17:56 ` Stephen Hemminger
2025-02-07 17:41 ` [PATCH v5 0/1] use 64-bit shift, " Andre Muezerie
2025-02-07 17:41 ` [PATCH v5 1/1] drivers/net: use 64-bit shift and " Andre Muezerie
2025-02-07 19:00 ` [PATCH v5 0/1] use 64-bit shift, " Stephen Hemminger
2025-02-07 19:01 ` Stephen Hemminger
2025-02-10 9:35 ` Bruce Richardson
2025-02-10 16:07 ` Bruce Richardson
2025-02-10 20:32 ` Andre Muezerie
2025-02-10 21:02 ` Andre Muezerie
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