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Date: Fri, 20 Dec 2013 10:21:19 -0800
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
netdev@...r.kernel.org, gospo@...hat.com, sassmann@...hat.com,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next v3 01/16] i40e: using for_each_set_bit to simplify the code
From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
Using for_each_set_bit() to simplify the code.
Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 64 ++++------------------
1 file changed, 12 insertions(+), 52 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 68e1f8e..1ea0886 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -260,23 +260,17 @@ static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx,
goto irq_list_done;
}
tempmap = vecmap->rxq_map;
- vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (vsi_queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
linklistmap |= (1 <<
(I40E_VIRTCHNL_SUPPORTED_QTYPES *
vsi_queue_id));
- vsi_queue_id =
- find_next_bit(&tempmap, I40E_MAX_VSI_QP, vsi_queue_id + 1);
}
tempmap = vecmap->txq_map;
- vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (vsi_queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
linklistmap |= (1 <<
(I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id
+ 1));
- vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- vsi_queue_id + 1);
}
next_q = find_first_bit(&linklistmap,
@@ -1293,27 +1287,21 @@ static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
/* lookout for the invalid queue index */
tempmap = map->rxq_map;
- vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (vsi_queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
vsi_queue_id)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
}
- vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- vsi_queue_id + 1);
}
tempmap = map->txq_map;
- vsi_queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (vsi_queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
vsi_queue_id)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
}
- vsi_queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- vsi_queue_id + 1);
}
i40e_config_irq_link_list(vf, vsi_id, map);
@@ -1358,31 +1346,23 @@ static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
}
tempmap = vqs->rx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
}
i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_ENABLE);
-
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
tempmap = vqs->tx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
}
i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_ENABLE);
-
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
/* Poll the status register to make sure that the
@@ -1391,29 +1371,23 @@ static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
udelay(10);
tempmap = vqs->rx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_ENABLECHECK)) {
dev_err(&pf->pdev->dev,
"Queue control check failed on RX queue %d of VSI %d VF %d\n",
queue_id, vsi_id, vf->vf_id);
}
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
tempmap = vqs->tx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_ENABLECHECK)) {
dev_err(&pf->pdev->dev,
"Queue control check failed on TX queue %d of VSI %d VF %d\n",
queue_id, vsi_id, vf->vf_id);
}
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
error_param:
@@ -1457,31 +1431,23 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
}
tempmap = vqs->rx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
}
i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_DISABLE);
-
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
tempmap = vqs->tx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
}
i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_DISABLE);
-
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
/* Poll the status register to make sure that the
@@ -1490,29 +1456,23 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
udelay(10);
tempmap = vqs->rx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (i40e_ctrl_vsi_rx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_DISABLECHECK)) {
dev_err(&pf->pdev->dev,
"Queue control check failed on RX queue %d of VSI %d VF %d\n",
queue_id, vsi_id, vf->vf_id);
}
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
tempmap = vqs->tx_queues;
- queue_id = find_first_bit(&tempmap, I40E_MAX_VSI_QP);
- while (queue_id < I40E_MAX_VSI_QP) {
+ for_each_set_bit(queue_id, &tempmap, I40E_MAX_VSI_QP) {
if (i40e_ctrl_vsi_tx_queue(vf, vsi_id, queue_id,
I40E_QUEUE_CTRL_DISABLECHECK)) {
dev_err(&pf->pdev->dev,
"Queue control check failed on TX queue %d of VSI %d VF %d\n",
queue_id, vsi_id, vf->vf_id);
}
- queue_id = find_next_bit(&tempmap, I40E_MAX_VSI_QP,
- queue_id + 1);
}
error_param:
--
1.8.3.1
--
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