mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-04 00:15:49 -04:00
Code Issues Packages Projects Releases Wiki Activity

net: airoha: Add airoha_qdma pointer in airoha_tx_irq_queue/airoha_queue structures

Browse Source 
Move airoha_eth pointer in airoha_qdma structure from
airoha_tx_irq_queue/airoha_queue ones. This is a preliminary patch to
introduce support for multi-QDMA controllers available on EN7581.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/074565b82fd0ceefe66e186f21133d825dbd48eb.1722522582.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lorenzo Bianconi
2024-08-01 16:35:06 +02:00
committed by Jakub Kicinski
parent 19e47fc2ae
commit 9a2500ab22
1 changed files with 41 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
drivers/net/ethernet/mediatek/airoha_eth.c
View File

@@ -728,7 +728,7 @@ struct airoha_queue_entry {
};
struct airoha_queue {
struct airoha_eth *eth;
struct airoha_qdma *qdma;
/* protect concurrent queue accesses */
spinlock_t lock;
@@ -747,7 +747,7 @@ struct airoha_queue {
};
struct airoha_tx_irq_queue {
struct airoha_eth *eth;
struct airoha_qdma *qdma;
struct napi_struct napi;
u32 *q;
@@ -784,6 +784,7 @@ struct airoha_hw_stats {
};
struct airoha_qdma {
struct airoha_eth *eth;
void __iomem *regs;
/* protect concurrent irqmask accesses */
@@ -1388,8 +1389,8 @@ static int airoha_fe_init(struct airoha_eth *eth)
static int airoha_qdma_fill_rx_queue(struct airoha_queue *q)
{
enum dma_data_direction dir = page_pool_get_dma_dir(q->page_pool);
struct airoha_qdma *qdma = &q->eth->qdma[0];
struct airoha_eth *eth = q->eth;
struct airoha_qdma *qdma = q->qdma;
struct airoha_eth *eth = qdma->eth;
int qid = q - &qdma->q_rx[0];
int nframes = 0;
@@ -1457,8 +1458,8 @@ static int airoha_qdma_get_gdm_port(struct airoha_eth *eth,
static int airoha_qdma_rx_process(struct airoha_queue *q, int budget)
{
enum dma_data_direction dir = page_pool_get_dma_dir(q->page_pool);
struct airoha_qdma *qdma = &q->eth->qdma[0];
struct airoha_eth *eth = q->eth;
struct airoha_qdma *qdma = q->qdma;
struct airoha_eth *eth = qdma->eth;
int qid = q - &qdma->q_rx[0];
int done = 0;
@@ -1521,7 +1522,6 @@ static int airoha_qdma_rx_process(struct airoha_queue *q, int budget)
static int airoha_qdma_rx_napi_poll(struct napi_struct *napi, int budget)
{
struct airoha_queue *q = container_of(napi, struct airoha_queue, napi);
struct airoha_qdma *qdma = &q->eth->qdma[0];
int cur, done = 0;
do {
@@ -1530,14 +1530,13 @@ static int airoha_qdma_rx_napi_poll(struct napi_struct *napi, int budget)
} while (cur && done < budget);
if (done < budget && napi_complete(napi))
airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX1,
airoha_qdma_irq_enable(q->qdma, QDMA_INT_REG_IDX1,
RX_DONE_INT_MASK);
return done;
}
static int airoha_qdma_init_rx_queue(struct airoha_eth *eth,
struct airoha_queue *q,
static int airoha_qdma_init_rx_queue(struct airoha_queue *q,
struct airoha_qdma *qdma, int ndesc)
{
const struct page_pool_params pp_params = {
@@ -1547,15 +1546,16 @@ static int airoha_qdma_init_rx_queue(struct airoha_eth *eth,
.dma_dir = DMA_FROM_DEVICE,
.max_len = PAGE_SIZE,
.nid = NUMA_NO_NODE,
.dev = eth->dev,
.dev = qdma->eth->dev,
.napi = &q->napi,
};
struct airoha_eth *eth = qdma->eth;
int qid = q - &qdma->q_rx[0], thr;
dma_addr_t dma_addr;
q->buf_size = PAGE_SIZE / 2;
q->ndesc = ndesc;
q->eth = eth;
q->qdma = qdma;
q->entry = devm_kzalloc(eth->dev, q->ndesc * sizeof(*q->entry),
GFP_KERNEL);
@@ -1595,7 +1595,7 @@ static int airoha_qdma_init_rx_queue(struct airoha_eth *eth,
static void airoha_qdma_cleanup_rx_queue(struct airoha_queue *q)
{
struct airoha_eth *eth = q->eth;
struct airoha_eth *eth = q->qdma->eth;
while (q->queued) {
struct airoha_queue_entry *e = &q->entry[q->tail];
@@ -1609,8 +1609,7 @@ static void airoha_qdma_cleanup_rx_queue(struct airoha_queue *q)
}
}
static int airoha_qdma_init_rx(struct airoha_eth *eth,
struct airoha_qdma *qdma)
static int airoha_qdma_init_rx(struct airoha_qdma *qdma)
{
int i;
@@ -1622,8 +1621,8 @@ static int airoha_qdma_init_rx(struct airoha_eth *eth,
continue;
}
err = airoha_qdma_init_rx_queue(eth, &qdma->q_rx[i],
qdma, RX_DSCP_NUM(i));
err = airoha_qdma_init_rx_queue(&qdma->q_rx[i], qdma,
RX_DSCP_NUM(i));
if (err)
return err;
}
@@ -1639,9 +1638,9 @@ static int airoha_qdma_tx_napi_poll(struct napi_struct *napi, int budget)
int id, done = 0;
irq_q = container_of(napi, struct airoha_tx_irq_queue, napi);
eth = irq_q->eth;
qdma = &eth->qdma[0];
qdma = irq_q->qdma;
id = irq_q - &qdma->q_tx_irq[0];
eth = qdma->eth;
while (irq_q->queued > 0 && done < budget) {
u32 qid, last, val = irq_q->q[irq_q->head];
@@ -1723,16 +1722,16 @@ static int airoha_qdma_tx_napi_poll(struct napi_struct *napi, int budget)
return done;
}
static int airoha_qdma_init_tx_queue(struct airoha_eth *eth,
struct airoha_queue *q,
static int airoha_qdma_init_tx_queue(struct airoha_queue *q,
struct airoha_qdma *qdma, int size)
{
struct airoha_eth *eth = qdma->eth;
int i, qid = q - &qdma->q_tx[0];
dma_addr_t dma_addr;
spin_lock_init(&q->lock);
q->ndesc = size;
q->eth = eth;
q->qdma = qdma;
q->free_thr = 1 + MAX_SKB_FRAGS;
q->entry = devm_kzalloc(eth->dev, q->ndesc * sizeof(*q->entry),
@@ -1761,11 +1760,11 @@ static int airoha_qdma_init_tx_queue(struct airoha_eth *eth,
return 0;
}
static int airoha_qdma_tx_irq_init(struct airoha_eth *eth,
struct airoha_tx_irq_queue *irq_q,
static int airoha_qdma_tx_irq_init(struct airoha_tx_irq_queue *irq_q,
struct airoha_qdma *qdma, int size)
{
int id = irq_q - &qdma->q_tx_irq[0];
struct airoha_eth *eth = qdma->eth;
dma_addr_t dma_addr;
netif_napi_add_tx(eth->napi_dev, &irq_q->napi,
@@ -1777,7 +1776,7 @@ static int airoha_qdma_tx_irq_init(struct airoha_eth *eth,
memset(irq_q->q, 0xff, size * sizeof(u32));
irq_q->size = size;
irq_q->eth = eth;
irq_q->qdma = qdma;
airoha_qdma_wr(qdma, REG_TX_IRQ_BASE(id), dma_addr);
airoha_qdma_rmw(qdma, REG_TX_IRQ_CFG(id), TX_IRQ_DEPTH_MASK,
@@ -1788,21 +1787,20 @@ static int airoha_qdma_tx_irq_init(struct airoha_eth *eth,
return 0;
}
static int airoha_qdma_init_tx(struct airoha_eth *eth,
struct airoha_qdma *qdma)
static int airoha_qdma_init_tx(struct airoha_qdma *qdma)
{
int i, err;
for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++) {
err = airoha_qdma_tx_irq_init(eth, &qdma->q_tx_irq[i],
qdma, IRQ_QUEUE_LEN(i));
err = airoha_qdma_tx_irq_init(&qdma->q_tx_irq[i], qdma,
IRQ_QUEUE_LEN(i));
if (err)
return err;
}
for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
err = airoha_qdma_init_tx_queue(eth, &qdma->q_tx[i],
qdma, TX_DSCP_NUM);
err = airoha_qdma_init_tx_queue(&qdma->q_tx[i], qdma,
TX_DSCP_NUM);
if (err)
return err;
}
@@ -1812,7 +1810,7 @@ static int airoha_qdma_init_tx(struct airoha_eth *eth,
static void airoha_qdma_cleanup_tx_queue(struct airoha_queue *q)
{
struct airoha_eth *eth = q->eth;
struct airoha_eth *eth = q->qdma->eth;
spin_lock_bh(&q->lock);
while (q->queued) {
@@ -1829,9 +1827,9 @@ static void airoha_qdma_cleanup_tx_queue(struct airoha_queue *q)
spin_unlock_bh(&q->lock);
}
static int airoha_qdma_init_hfwd_queues(struct airoha_eth *eth,
struct airoha_qdma *qdma)
static int airoha_qdma_init_hfwd_queues(struct airoha_qdma *qdma)
{
struct airoha_eth *eth = qdma->eth;
dma_addr_t dma_addr;
u32 status;
int size;
@@ -1869,8 +1867,7 @@ static int airoha_qdma_init_hfwd_queues(struct airoha_eth *eth,
REG_LMGR_INIT_CFG);
}
static void airoha_qdma_init_qos(struct airoha_eth *eth,
struct airoha_qdma *qdma)
static void airoha_qdma_init_qos(struct airoha_qdma *qdma)
{
airoha_qdma_clear(qdma, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_SCALE_MASK);
airoha_qdma_set(qdma, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_BASE_MASK);
@@ -1920,8 +1917,7 @@ static void airoha_qdma_init_qos(struct airoha_eth *eth,
FIELD_PREP(SLA_SLOW_TICK_RATIO_MASK, 40));
}
static int airoha_qdma_hw_init(struct airoha_eth *eth,
struct airoha_qdma *qdma)
static int airoha_qdma_hw_init(struct airoha_qdma *qdma)
{
int i;
@@ -1958,7 +1954,7 @@ static int airoha_qdma_hw_init(struct airoha_eth *eth,
GLOBAL_CFG_TX_WB_DONE_MASK |
FIELD_PREP(GLOBAL_CFG_MAX_ISSUE_NUM_MASK, 2));
airoha_qdma_init_qos(eth, qdma);
airoha_qdma_init_qos(qdma);
/* disable qdma rx delay interrupt */
for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
@@ -2034,6 +2030,8 @@ static int airoha_qdma_init(struct platform_device *pdev,
int err;
spin_lock_init(&qdma->irq_lock);
qdma->eth = eth;
qdma->irq = platform_get_irq(pdev, 0);
if (qdma->irq < 0)
return qdma->irq;
@@ -2043,19 +2041,19 @@ static int airoha_qdma_init(struct platform_device *pdev,
if (err)
return err;
err = airoha_qdma_init_rx(eth, qdma);
err = airoha_qdma_init_rx(qdma);
if (err)
return err;
err = airoha_qdma_init_tx(eth, qdma);
err = airoha_qdma_init_tx(qdma);
if (err)
return err;
err = airoha_qdma_init_hfwd_queues(eth, qdma);
err = airoha_qdma_init_hfwd_queues(qdma);
if (err)
return err;
err = airoha_qdma_hw_init(eth, qdma);
err = airoha_qdma_hw_init(qdma);
if (err)
return err;