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fm10k: convert NON_Q_VECTORS(hw) into NON_Q_VECTORS

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The driver currently uses a macro to decide whether we should use
NON_Q_VECTORS_PF or NON_Q_VECTORS_VF.

However, we also define NON_Q_VECTORS_VF to the same value as
NON_Q_VECTORS_PF. This means that the macro NON_Q_VECTORS(hw) will
always return the same value.

Let's just remove this macro, and replace it directly with an enum value
on the enum non_q_vectors.

This was detected by cppcheck and fixes the following warnings when
building with BUILD=KERNEL

[fm10k_ethtool.c:1123]: (style) Same value in both branches of ternary
operator.

[fm10k_ethtool.c:1142]: (style) Same value in both branches of ternary
operator.

[fm10k_main.c:1826]: (style) Same value in both branches of ternary
operator.

[fm10k_main.c:1849]: (style) Same value in both branches of ternary
operator.

[fm10k_main.c:1858]: (style) Same value in both branches of ternary
operator.

[fm10k_pci.c:901]: (style) Same value in both branches of ternary
operator.

[fm10k_pci.c:1040]: (style) Same value in both branches of ternary
operator.

[fm10k_pci.c:1726]: (style) Same value in both branches of ternary
operator.

[fm10k_pci.c:1763]: (style) Same value in both branches of ternary
operator.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jacob Keller 2019-07-08 16:12:35 -07:00 committed by Jeff Kirsher
parent d5c2f39500
commit a3ffeaf7c2
4 changed files with 11 additions and 18 deletions
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10
drivers/net/ethernet/intel/fm10k/fm10k.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */ /* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2013 - 2018 Intel Corporation. */ /* Copyright(c) 2013 - 2019 Intel Corporation. */
#ifndef _FM10K_H_ #ifndef _FM10K_H_
#define _FM10K_H_ #define _FM10K_H_
@ -177,14 +177,10 @@ static inline struct netdev_queue *txring_txq(const struct fm10k_ring *ring)
#define MIN_Q_VECTORS 1 #define MIN_Q_VECTORS 1
enum fm10k_non_q_vectors { enum fm10k_non_q_vectors {
FM10K_MBX_VECTOR, FM10K_MBX_VECTOR,
#define NON_Q_VECTORS_VF NON_Q_VECTORS_PF NON_Q_VECTORS
NON_Q_VECTORS_PF
}; };
#define NON_Q_VECTORS(hw) (((hw)->mac.type == fm10k_mac_pf) ? \ #define MIN_MSIX_COUNT(hw) (MIN_Q_VECTORS + NON_Q_VECTORS)
NON_Q_VECTORS_PF : \
NON_Q_VECTORS_VF)
#define MIN_MSIX_COUNT(hw) (MIN_Q_VECTORS + NON_Q_VECTORS(hw))
struct fm10k_q_vector { struct fm10k_q_vector {
struct fm10k_intfc *interface; struct fm10k_intfc *interface;

6
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c
View File

@ -1114,13 +1114,12 @@ static void fm10k_get_channels(struct net_device *dev,
struct ethtool_channels *ch) struct ethtool_channels *ch)
{ {
struct fm10k_intfc *interface = netdev_priv(dev); struct fm10k_intfc *interface = netdev_priv(dev);
struct fm10k_hw *hw = &interface->hw;
/* report maximum channels */ /* report maximum channels */
ch->max_combined = fm10k_max_channels(dev); ch->max_combined = fm10k_max_channels(dev);
/* report info for other vector */ /* report info for other vector */
ch->max_other = NON_Q_VECTORS(hw); ch->max_other = NON_Q_VECTORS;
ch->other_count = ch->max_other; ch->other_count = ch->max_other;
/* record RSS queues */ /* record RSS queues */
@ -1132,14 +1131,13 @@ static int fm10k_set_channels(struct net_device *dev,
{ {
struct fm10k_intfc *interface = netdev_priv(dev); struct fm10k_intfc *interface = netdev_priv(dev);
unsigned int count = ch->combined_count; unsigned int count = ch->combined_count;
struct fm10k_hw *hw = &interface->hw;
/* verify they are not requesting separate vectors */ /* verify they are not requesting separate vectors */
if (!count || ch->rx_count || ch->tx_count) if (!count || ch->rx_count || ch->tx_count)
return -EINVAL; return -EINVAL;
/* verify other_count has not changed */ /* verify other_count has not changed */
if (ch->other_count != NON_Q_VECTORS(hw)) if (ch->other_count != NON_Q_VECTORS)
return -EINVAL; return -EINVAL;
/* verify the number of channels does not exceed hardware limits */ /* verify the number of channels does not exceed hardware limits */

4
drivers/net/ethernet/intel/fm10k/fm10k_main.c
View File

@ -1824,7 +1824,7 @@ static int fm10k_init_msix_capability(struct fm10k_intfc *interface)
v_budget = min_t(u16, v_budget, num_online_cpus()); v_budget = min_t(u16, v_budget, num_online_cpus());
/* account for vectors not related to queues */ /* account for vectors not related to queues */
v_budget += NON_Q_VECTORS(hw); v_budget += NON_Q_VECTORS;
/* At the same time, hardware can only support a maximum of /* At the same time, hardware can only support a maximum of
* hw.mac->max_msix_vectors vectors. With features * hw.mac->max_msix_vectors vectors. With features
@ -1856,7 +1856,7 @@ static int fm10k_init_msix_capability(struct fm10k_intfc *interface)
} }
/* record the number of queues available for q_vectors */ /* record the number of queues available for q_vectors */
interface->num_q_vectors = v_budget - NON_Q_VECTORS(hw); interface->num_q_vectors = v_budget - NON_Q_VECTORS;
return 0; return 0;
} }

9
drivers/net/ethernet/intel/fm10k/fm10k_pci.c
View File

@ -898,7 +898,7 @@ static void fm10k_configure_tx_ring(struct fm10k_intfc *interface,
/* Map interrupt */ /* Map interrupt */
if (ring->q_vector) { if (ring->q_vector) {
txint = ring->q_vector->v_idx + NON_Q_VECTORS(hw); txint = ring->q_vector->v_idx + NON_Q_VECTORS;
txint |= FM10K_INT_MAP_TIMER0; txint |= FM10K_INT_MAP_TIMER0;
} }
@ -1037,7 +1037,7 @@ static void fm10k_configure_rx_ring(struct fm10k_intfc *interface,
/* Map interrupt */ /* Map interrupt */
if (ring->q_vector) { if (ring->q_vector) {
rxint = ring->q_vector->v_idx + NON_Q_VECTORS(hw); rxint = ring->q_vector->v_idx + NON_Q_VECTORS;
rxint |= FM10K_INT_MAP_TIMER1; rxint |= FM10K_INT_MAP_TIMER1;
} }
@ -1720,10 +1720,9 @@ int fm10k_mbx_request_irq(struct fm10k_intfc *interface)
void fm10k_qv_free_irq(struct fm10k_intfc *interface) void fm10k_qv_free_irq(struct fm10k_intfc *interface)
{ {
int vector = interface->num_q_vectors; int vector = interface->num_q_vectors;
struct fm10k_hw *hw = &interface->hw;
struct msix_entry *entry; struct msix_entry *entry;
entry = &interface->msix_entries[NON_Q_VECTORS(hw) + vector]; entry = &interface->msix_entries[NON_Q_VECTORS + vector];
while (vector) { while (vector) {
struct fm10k_q_vector *q_vector; struct fm10k_q_vector *q_vector;
@ -1760,7 +1759,7 @@ int fm10k_qv_request_irq(struct fm10k_intfc *interface)
unsigned int ri = 0, ti = 0; unsigned int ri = 0, ti = 0;
int vector, err; int vector, err;
entry = &interface->msix_entries[NON_Q_VECTORS(hw)]; entry = &interface->msix_entries[NON_Q_VECTORS];
for (vector = 0; vector < interface->num_q_vectors; vector++) { for (vector = 0; vector < interface->num_q_vectors; vector++) {
struct fm10k_q_vector *q_vector = interface->q_vector[vector]; struct fm10k_q_vector *q_vector = interface->q_vector[vector];