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net: bcmgenet: add GENET_Q16_RX_BD_CNT and hw_params->rx_bds_per_q

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In preparation for supporting multiple Rx queues, add GENET_Q16_RX_BD_CNT
and hw_params->rx_bds_per_q.

Signed-off-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petri Gynther 2015-03-05 17:40:14 -08:00 committed by David S. Miller
parent 3feafeed16
commit 3feafa0215
2 changed files with 9 additions and 2 deletions
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10
drivers/net/ethernet/broadcom/genet/bcmgenet.c
View File

@ -54,6 +54,8 @@
/* Default highest priority queue for multi queue support */
#define GENET_Q0_PRIORITY 0
#define GENET_Q16_RX_BD_CNT \
(TOTAL_DESC - priv->hw_params->rx_queues * priv->hw_params->rx_bds_per_q)
#define GENET_Q16_TX_BD_CNT \
(TOTAL_DESC - priv->hw_params->tx_queues * priv->hw_params->tx_bds_per_q)
@ -2488,6 +2490,7 @@ static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
.tx_queues = 0,
.tx_bds_per_q = 0,
.rx_queues = 0,
.rx_bds_per_q = 0,
.bp_in_en_shift = 16,
.bp_in_mask = 0xffff,
.hfb_filter_cnt = 16,
@ -2501,6 +2504,7 @@ static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
.tx_queues = 4,
.tx_bds_per_q = 32,
.rx_queues = 0,
.rx_bds_per_q = 0,
.bp_in_en_shift = 16,
.bp_in_mask = 0xffff,
.hfb_filter_cnt = 16,
@ -2517,6 +2521,7 @@ static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
.tx_queues = 4,
.tx_bds_per_q = 32,
.rx_queues = 0,
.rx_bds_per_q = 0,
.bp_in_en_shift = 17,
.bp_in_mask = 0x1ffff,
.hfb_filter_cnt = 48,
@ -2533,6 +2538,7 @@ static struct bcmgenet_hw_params bcmgenet_hw_params[] = {
.tx_queues = 4,
.tx_bds_per_q = 32,
.rx_queues = 0,
.rx_bds_per_q = 0,
.bp_in_en_shift = 17,
.bp_in_mask = 0x1ffff,
.hfb_filter_cnt = 48,
@ -2632,7 +2638,7 @@ static void bcmgenet_set_hw_params(struct bcmgenet_priv *priv)
#endif
pr_debug("Configuration for version: %d\n"
"TXq: %1d, TXqBDs: %1d, RXq: %1d\n"
"TXq: %1d, TXqBDs: %1d, RXq: %1d, RXqBDs: %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"
@ -2640,7 +2646,7 @@ static void bcmgenet_set_hw_params(struct bcmgenet_priv *priv)
"Words/BD: %d\n",
priv->version,
params->tx_queues, params->tx_bds_per_q,
params->rx_queues,
params->rx_queues, params->rx_bds_per_q,
params->bp_in_en_shift, params->bp_in_mask,
params->hfb_filter_cnt, params->qtag_mask,
params->tbuf_offset, params->hfb_offset,

1
drivers/net/ethernet/broadcom/genet/bcmgenet.h
View File

@ -505,6 +505,7 @@ struct bcmgenet_hw_params {
u8 tx_queues;
u8 tx_bds_per_q;
u8 rx_queues;
u8 rx_bds_per_q;
u8 bp_in_en_shift;
u32 bp_in_mask;
u8 hfb_filter_cnt;