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Message-Id: <1480639304-18757-2-git-send-email-isubramanian@apm.com>
Date: Thu, 1 Dec 2016 16:41:37 -0800
From: Iyappan Subramanian <isubramanian@....com>
To: davem@...emloft.net, netdev@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org, patches@....com,
Iyappan Subramanian <isubramanian@....com>,
Quan Nguyen <qnguyen@....com>
Subject: [PATCH net-next 1/8] drivers: net: xgene: Add helper function
This is a prepartion patch and adds xgene_enet_get_fpsel() helper
function to get buffer pool number.
Signed-off-by: Iyappan Subramanian <isubramanian@....com>
Signed-off-by: Quan Nguyen <qnguyen@....com>
---
drivers/net/ethernet/apm/xgene/xgene_enet_cle.c | 4 ++--
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 19 +++++++------------
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 8 ++++++++
drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c | 20 +++++++-------------
drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 20 +++++++-------------
5 files changed, 31 insertions(+), 40 deletions(-)
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
index 23d72af..7aac0fb 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
@@ -346,7 +346,7 @@ static int xgene_cle_set_rss_idt(struct xgene_enet_pdata *pdata)
for (i = 0; i < XGENE_CLE_IDT_ENTRIES; i++) {
idx = i % pdata->rxq_cnt;
pool_id = pdata->rx_ring[idx]->buf_pool->id;
- fpsel = xgene_enet_ring_bufnum(pool_id) - 0x20;
+ fpsel = xgene_enet_get_fpsel(pool_id);
dstqid = xgene_enet_dst_ring_num(pdata->rx_ring[idx]);
nfpsel = 0;
idt_reg = 0;
@@ -706,7 +706,7 @@ static int xgene_enet_cle_init(struct xgene_enet_pdata *pdata)
def_qid = xgene_enet_dst_ring_num(pdata->rx_ring[0]);
pool_id = pdata->rx_ring[0]->buf_pool->id;
- def_fpsel = xgene_enet_ring_bufnum(pool_id) - 0x20;
+ def_fpsel = xgene_enet_get_fpsel(pool_id);
memset(dbptr, 0, sizeof(struct xgene_cle_dbptr) * DB_MAX_PTRS);
dbptr[DB_RES_ACCEPT].fpsel = def_fpsel;
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 5390ae8..1007074 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -555,7 +555,7 @@ static void xgene_enet_cle_bypass(struct xgene_enet_pdata *pdata,
u32 cb;
u32 fpsel;
- fpsel = xgene_enet_ring_bufnum(bufpool_id) - 0x20;
+ fpsel = xgene_enet_get_fpsel(bufpool_id);
xgene_enet_rd_csr(pdata, CLE_BYPASS_REG0_0_ADDR, &cb);
cb |= CFG_CLE_BYPASS_EN0;
@@ -652,16 +652,14 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
static void xgene_enet_clear(struct xgene_enet_pdata *pdata,
struct xgene_enet_desc_ring *ring)
{
- u32 addr, val, data;
-
- val = xgene_enet_ring_bufnum(ring->id);
+ u32 addr, data;
if (xgene_enet_is_bufpool(ring->id)) {
addr = ENET_CFGSSQMIFPRESET_ADDR;
- data = BIT(val - 0x20);
+ data = BIT(xgene_enet_get_fpsel(ring->id));
} else {
addr = ENET_CFGSSQMIWQRESET_ADDR;
- data = BIT(val);
+ data = BIT(xgene_enet_ring_bufnum(ring->id));
}
xgene_enet_wr_ring_if(pdata, addr, data);
@@ -671,24 +669,21 @@ static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata)
{
struct device *dev = &pdata->pdev->dev;
struct xgene_enet_desc_ring *ring;
- u32 pb, val;
+ u32 pb;
int i;
pb = 0;
for (i = 0; i < pdata->rxq_cnt; i++) {
ring = pdata->rx_ring[i]->buf_pool;
+ pb |= BIT(xgene_enet_get_fpsel(ring->id));
- val = xgene_enet_ring_bufnum(ring->id);
- pb |= BIT(val - 0x20);
}
xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIFPRESET_ADDR, pb);
pb = 0;
for (i = 0; i < pdata->txq_cnt; i++) {
ring = pdata->tx_ring[i];
-
- val = xgene_enet_ring_bufnum(ring->id);
- pb |= BIT(val);
+ pb |= BIT(xgene_enet_ring_bufnum(ring->id));
}
xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIWQRESET_ADDR, pb);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
index 06e598c..e73cbb1 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
@@ -346,6 +346,14 @@ static inline bool xgene_enet_is_bufpool(u16 id)
return ((id & RING_BUFNUM_MASK) >= 0x20) ? true : false;
}
+static inline u8 xgene_enet_get_fpsel(u16 id)
+{
+ if (xgene_enet_is_bufpool(id))
+ return xgene_enet_ring_bufnum(id) - RING_BUFNUM_BUFPOOL;
+
+ return 0;
+}
+
static inline u16 xgene_enet_get_numslots(u16 id, u32 size)
{
bool is_bufpool = xgene_enet_is_bufpool(id);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
index d12e9cb..8e4209c 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c
@@ -501,7 +501,7 @@ static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p,
data = CFG_CLE_BYPASS_EN0;
xgene_enet_wr_csr(p, cle_bypass_reg0 + offset, data);
- fpsel = xgene_enet_ring_bufnum(bufpool_id) - 0x20;
+ fpsel = xgene_enet_get_fpsel(bufpool_id);
data = CFG_CLE_DSTQID0(dst_ring_num) | CFG_CLE_FPSEL0(fpsel);
xgene_enet_wr_csr(p, cle_bypass_reg1 + offset, data);
}
@@ -509,16 +509,14 @@ static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p,
static void xgene_enet_clear(struct xgene_enet_pdata *pdata,
struct xgene_enet_desc_ring *ring)
{
- u32 addr, val, data;
-
- val = xgene_enet_ring_bufnum(ring->id);
+ u32 addr, data;
if (xgene_enet_is_bufpool(ring->id)) {
addr = ENET_CFGSSQMIFPRESET_ADDR;
- data = BIT(val - 0x20);
+ data = BIT(xgene_enet_get_fpsel(ring->id));
} else {
addr = ENET_CFGSSQMIWQRESET_ADDR;
- data = BIT(val);
+ data = BIT(xgene_enet_ring_bufnum(ring->id));
}
xgene_enet_wr_ring_if(pdata, addr, data);
@@ -528,24 +526,20 @@ static void xgene_enet_shutdown(struct xgene_enet_pdata *p)
{
struct device *dev = &p->pdev->dev;
struct xgene_enet_desc_ring *ring;
- u32 pb, val;
+ u32 pb;
int i;
pb = 0;
for (i = 0; i < p->rxq_cnt; i++) {
ring = p->rx_ring[i]->buf_pool;
-
- val = xgene_enet_ring_bufnum(ring->id);
- pb |= BIT(val - 0x20);
+ pb |= BIT(xgene_enet_get_fpsel(ring->id));
}
xgene_enet_wr_ring_if(p, ENET_CFGSSQMIFPRESET_ADDR, pb);
pb = 0;
for (i = 0; i < p->txq_cnt; i++) {
ring = p->tx_ring[i];
-
- val = xgene_enet_ring_bufnum(ring->id);
- pb |= BIT(val);
+ pb |= BIT(xgene_enet_ring_bufnum(ring->id));
}
xgene_enet_wr_ring_if(p, ENET_CFGSSQMIWQRESET_ADDR, pb);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
index d1758b0..f97e599 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c
@@ -359,7 +359,7 @@ static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata,
CFG_CLE_IP_PROTOCOL0_SET(&cb, 3);
xgene_enet_wr_csr(pdata, XCLE_BYPASS_REG0_ADDR, cb);
- fpsel = xgene_enet_ring_bufnum(bufpool_id) - 0x20;
+ fpsel = xgene_enet_get_fpsel(bufpool_id);
xgene_enet_rd_csr(pdata, XCLE_BYPASS_REG1_ADDR, &cb);
CFG_CLE_DSTQID0_SET(&cb, dst_ring_num);
CFG_CLE_FPSEL0_SET(&cb, fpsel);
@@ -370,24 +370,20 @@ static void xgene_enet_shutdown(struct xgene_enet_pdata *pdata)
{
struct device *dev = &pdata->pdev->dev;
struct xgene_enet_desc_ring *ring;
- u32 pb, val;
+ u32 pb;
int i;
pb = 0;
for (i = 0; i < pdata->rxq_cnt; i++) {
ring = pdata->rx_ring[i]->buf_pool;
-
- val = xgene_enet_ring_bufnum(ring->id);
- pb |= BIT(val - 0x20);
+ pb |= BIT(xgene_enet_get_fpsel(ring->id));
}
xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIFPRESET_ADDR, pb);
pb = 0;
for (i = 0; i < pdata->txq_cnt; i++) {
ring = pdata->tx_ring[i];
-
- val = xgene_enet_ring_bufnum(ring->id);
- pb |= BIT(val);
+ pb |= BIT(xgene_enet_ring_bufnum(ring->id));
}
xgene_enet_wr_ring_if(pdata, ENET_CFGSSQMIWQRESET_ADDR, pb);
@@ -400,16 +396,14 @@ static void xgene_enet_shutdown(struct xgene_enet_pdata *pdata)
static void xgene_enet_clear(struct xgene_enet_pdata *pdata,
struct xgene_enet_desc_ring *ring)
{
- u32 addr, val, data;
-
- val = xgene_enet_ring_bufnum(ring->id);
+ u32 addr, data;
if (xgene_enet_is_bufpool(ring->id)) {
addr = ENET_CFGSSQMIFPRESET_ADDR;
- data = BIT(val - 0x20);
+ data = BIT(xgene_enet_get_fpsel(ring->id));
} else {
addr = ENET_CFGSSQMIWQRESET_ADDR;
- data = BIT(val);
+ data = BIT(xgene_enet_ring_bufnum(ring->id));
}
xgene_enet_wr_ring_if(pdata, addr, data);
--
1.9.1
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