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ffec: Support up to three interrupt requests

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This commit is contained in:
Sebastian Huber 2017-09-27 09:33:41 +02:00
parent e2e4bf4999
commit 7f7a3397fc
1 changed files with 33 additions and 17 deletions
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50
freebsd/sys/dev/ffec/if_ffec.c
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@ -133,6 +133,8 @@ static struct ofw_compat_data compat_data[] = {
#define WATCHDOG_TIMEOUT_SECS 5
#define STATS_HARVEST_INTERVAL 3
#define MAX_IRQ_COUNT 3
struct ffec_bufmap {
struct mbuf *mbuf;
bus_dmamap_t map;
@ -152,9 +154,10 @@ struct ffec_softc {
struct ifnet *ifp;
int if_flags;
struct mtx mtx;
struct resource *irq_res;
struct resource *irq_res[MAX_IRQ_COUNT];
int irq_count;
struct resource *mem_res;
void * intr_cookie;
void * intr_cookie[MAX_IRQ_COUNT];
struct callout ffec_callout;
uint8_t phy_conn_type;
uintptr_t fectype;
@ -1364,7 +1367,7 @@ ffec_detach(device_t dev)
{
struct ffec_softc *sc;
bus_dmamap_t map;
int idx;
int idx, irq;
/*
* NB: This function can be called internally to unwind a failure to
@ -1418,11 +1421,15 @@ ffec_detach(device_t dev)
bus_dma_tag_destroy(sc->txdesc_tag);
/* Release bus resources. */
if (sc->intr_cookie)
bus_teardown_intr(dev, sc->irq_res, sc->intr_cookie);
for (irq = 0; irq < sc->irq_count; ++irq) {
if (sc->intr_cookie[irq])
bus_teardown_intr(dev, sc->irq_res[irq],
sc->intr_cookie[irq]);
if (sc->irq_res != NULL)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
if (sc->irq_res[irq] != NULL)
bus_release_resource(dev, SYS_RES_IRQ, 0,
sc->irq_res[irq]);
}
if (sc->mem_res != NULL)
bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res);
@ -1438,7 +1445,7 @@ ffec_attach(device_t dev)
struct ifnet *ifp = NULL;
struct mbuf *m;
phandle_t ofw_node;
int error, rid;
int error, rid, irq;
uint8_t eaddr[ETHER_ADDR_LEN];
char phy_conn_name[32];
uint32_t idx, mscr;
@ -1506,10 +1513,15 @@ ffec_attach(device_t dev)
error = ENOMEM;
goto out;
}
rid = 0;
sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_ACTIVE);
if (sc->irq_res == NULL) {
for (irq = 0; irq < MAX_IRQ_COUNT; ++irq) {
rid = irq;
sc->irq_res[irq] = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&rid, RF_ACTIVE);
if (sc->irq_res[irq] == NULL)
break;
}
sc->irq_count = irq;
if (irq == 0) {
device_printf(dev, "could not allocate interrupt resources.\n");
error = ENOMEM;
goto out;
@ -1666,11 +1678,15 @@ ffec_attach(device_t dev)
WR4(sc, FEC_ECR_REG, FEC_ECR_RESET);
/* Setup interrupt handler. */
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
NULL, ffec_intr, sc, &sc->intr_cookie);
if (error != 0) {
device_printf(dev, "could not setup interrupt handler.\n");
goto out;
for (irq = 0; irq < sc->irq_count; ++irq) {
error = bus_setup_intr(dev, sc->irq_res[irq],
INTR_TYPE_NET | INTR_MPSAFE, NULL, ffec_intr, sc,
&sc->intr_cookie[irq]);
if (error != 0) {
device_printf(dev,
"could not setup interrupt handler.\n");
goto out;
}
}
/*