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net: bcmgenet: rename bcmgenet_hw_params->bds_cnt and GENET_DEFAULT_BD_CNT 

bcmgenet_hw_params->bds_cnt and GENET_DEFAULT_BD_CNT are used only in Tx init.
Rename them accordingly:
- bcmgenet_hw_params->bds_cnt => bcmgenet_hw_params->tx_bds_per_q
- GENET_DEFAULT_BD_CNT => GENET_Q16_TX_BD_CNT

Signed-off-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petri Gynther 2015-02-23 11:00:46 -08:00 committed by David S. Miller
parent 014012a491
commit 51a966a718
2 changed files with 16 additions and 15 deletions
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29
drivers/net/ethernet/broadcom/genet/bcmgenet.c
View File

@ -54,8 +54,8 @@
/* Default highest priority queue for multi queue support */
#define GENET_Q0_PRIORITY 0
#define GENET_DEFAULT_BD_CNT \
(TOTAL_DESC - priv->hw_params->tx_queues * priv->hw_params->bds_cnt)
#define GENET_Q16_TX_BD_CNT \
(TOTAL_DESC - priv->hw_params->tx_queues * priv->hw_params->tx_bds_per_q)
#define RX_BUF_LENGTH 2048
#define SKB_ALIGNMENT 32
@ -1782,7 +1782,7 @@ static int bcmgenet_init_rx_ring(struct bcmgenet_priv *priv,
* with queue 0 being the highest priority queue.
*
* Queue 16 is the default Tx queue with
* GENET_DEFAULT_BD_CNT = 256 - 4 * 32 = 128 descriptors.
* GENET_Q16_TX_BD_CNT = 256 - 4 * 32 = 128 descriptors.
*
* The transmit control block pool is then partitioned as follows:
* - Tx queue 0 uses tx_cbs[0..31]
@ -1811,9 +1811,9 @@ static void bcmgenet_init_tx_queues(struct net_device *dev)
/* Initialize Tx priority queues */
for (i = 0; i < priv->hw_params->tx_queues; i++) {
bcmgenet_init_tx_ring(priv, i, priv->hw_params->bds_cnt,
i * priv->hw_params->bds_cnt,
(i + 1) * priv->hw_params->bds_cnt);
bcmgenet_init_tx_ring(priv, i, priv->hw_params->tx_bds_per_q,
i * priv->hw_params->tx_bds_per_q,
(i + 1) * priv->hw_params->tx_bds_per_q);
ring_cfg |= (1 << i);
dma_ctrl |= (1 << (i + DMA_RING_BUF_EN_SHIFT));
dma_priority[DMA_PRIO_REG_INDEX(i)] |=
@ -1821,9 +1821,9 @@ static void bcmgenet_init_tx_queues(struct net_device *dev)
}
/* Initialize Tx default queue 16 */
bcmgenet_init_tx_ring(priv, DESC_INDEX, GENET_DEFAULT_BD_CNT,
bcmgenet_init_tx_ring(priv, DESC_INDEX, GENET_Q16_TX_BD_CNT,
priv->hw_params->tx_queues *
priv->hw_params->bds_cnt,
priv->hw_params->tx_bds_per_q,
TOTAL_DESC);
ring_cfg |= (1 << DESC_INDEX);
dma_ctrl |= (1 << (DESC_INDEX + DMA_RING_BUF_EN_SHIFT));
@ -2427,8 +2427,8 @@ static const struct net_device_ops bcmgenet_netdev_ops = {
static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
[GENET_V1] = {
.tx_queues = 0,
.tx_bds_per_q = 0,
.rx_queues = 0,
.bds_cnt = 0,
.bp_in_en_shift = 16,
.bp_in_mask = 0xffff,
.hfb_filter_cnt = 16,
@ -2440,8 +2440,8 @@ static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
},
[GENET_V2] = {
.tx_queues = 4,
.tx_bds_per_q = 32,
.rx_queues = 4,
.bds_cnt = 32,
.bp_in_en_shift = 16,
.bp_in_mask = 0xffff,
.hfb_filter_cnt = 16,
@ -2456,8 +2456,8 @@ static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
},
[GENET_V3] = {
.tx_queues = 4,
.tx_bds_per_q = 32,
.rx_queues = 4,
.bds_cnt = 32,
.bp_in_en_shift = 17,
.bp_in_mask = 0x1ffff,
.hfb_filter_cnt = 48,
@ -2472,8 +2472,8 @@ static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
},
[GENET_V4] = {
.tx_queues = 4,
.tx_bds_per_q = 32,
.rx_queues = 4,
.bds_cnt = 32,
.bp_in_en_shift = 17,
.bp_in_mask = 0x1ffff,
.hfb_filter_cnt = 48,
@ -2573,14 +2573,15 @@ static void bcmgenet_set_hw_params(struct bcmgenet_priv *priv)
#endif
pr_debug("Configuration for version: %d\n"
"TXq: %1d, RXq: %1d, BDs: %1d\n"
"TXq: %1d, TXqBDs: %1d, RXq: %1d\n"
"BP << en: %2d, BP msk: 0x%05x\n"
"HFB count: %2d, QTAQ msk: 0x%05x\n"
"TBUF: 0x%04x, HFB: 0x%04x, HFBreg: 0x%04x\n"
"RDMA: 0x%05x, TDMA: 0x%05x\n"
"Words/BD: %d\n",
priv->version,
params->tx_queues, params->rx_queues, params->bds_cnt,
params->tx_queues, params->tx_bds_per_q,
params->rx_queues,
params->bp_in_en_shift, params->bp_in_mask,
params->hfb_filter_cnt, params->qtag_mask,
params->tbuf_offset, params->hfb_offset,

2
drivers/net/ethernet/broadcom/genet/bcmgenet.h
View File

@ -503,8 +503,8 @@ enum bcmgenet_version {
*/
struct bcmgenet_hw_params {
u8 tx_queues;
u8 tx_bds_per_q;
u8 rx_queues;
u8 bds_cnt;
u8 bp_in_en_shift;
u32 bp_in_mask;
u8 hfb_filter_cnt;