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tsec(4) style improvements and clean-up.

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This commit is contained in:
Rafal Jaworowski 2009-02-17 14:59:47 +00:00
parent bd37530ee4
commit 64f90c9dff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=188712
3 changed files with 80 additions and 73 deletions
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129
sys/dev/tsec/if_tsec.c
View File

@ -165,34 +165,36 @@ tsec_attach(struct tsec_softc *sc)
/* Allocate a busdma tag for TX mbufs. */
error = bus_dma_tag_create(NULL, /* parent */
TSEC_TXBUFFER_ALIGNMENT, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filtfunc, filtfuncarg */
MCLBYTES * (TSEC_TX_NUM_DESC - 1),/* maxsize */
TSEC_TX_NUM_DESC - 1, /* nsegments */
MCLBYTES, 0, /* maxsegsz, flags */
NULL, NULL, /* lockfunc, lockfuncarg */
&sc->tsec_tx_mtag); /* dmat */
TSEC_TXBUFFER_ALIGNMENT, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filtfunc, filtfuncarg */
MCLBYTES * (TSEC_TX_NUM_DESC - 1), /* maxsize */
TSEC_TX_NUM_DESC - 1, /* nsegments */
MCLBYTES, 0, /* maxsegsz, flags */
NULL, NULL, /* lockfunc, lockfuncarg */
&sc->tsec_tx_mtag); /* dmat */
if (error) {
device_printf(sc->dev, "failed to allocate busdma tag(tx mbufs)\n");
device_printf(sc->dev, "failed to allocate busdma tag "
"(tx mbufs)\n");
tsec_detach(sc);
return (ENXIO);
}
/* Allocate a busdma tag for RX mbufs. */
error = bus_dma_tag_create(NULL, /* parent */
TSEC_RXBUFFER_ALIGNMENT, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filtfunc, filtfuncarg */
MCLBYTES, /* maxsize */
1, /* nsegments */
MCLBYTES, 0, /* maxsegsz, flags */
NULL, NULL, /* lockfunc, lockfuncarg */
&sc->tsec_rx_mtag); /* dmat */
TSEC_RXBUFFER_ALIGNMENT, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filtfunc, filtfuncarg */
MCLBYTES, /* maxsize */
1, /* nsegments */
MCLBYTES, 0, /* maxsegsz, flags */
NULL, NULL, /* lockfunc, lockfuncarg */
&sc->tsec_rx_mtag); /* dmat */
if (error) {
device_printf(sc->dev, "failed to allocate busdma tag(rx mbufs)\n");
device_printf(sc->dev, "failed to allocate busdma tag "
"(rx mbufs)\n");
tsec_detach(sc);
return (ENXIO);
}
@ -213,7 +215,8 @@ tsec_attach(struct tsec_softc *sc)
/* Create RX busdma maps and zero mbuf handlers */
for (i = 0; i < TSEC_RX_NUM_DESC; i++) {
error = bus_dmamap_create(sc->tsec_rx_mtag, 0, &sc->rx_data[i].map);
error = bus_dmamap_create(sc->tsec_rx_mtag, 0,
&sc->rx_data[i].map);
if (error) {
device_printf(sc->dev, "failed to init RX ring\n");
tsec_detach(sc);
@ -227,8 +230,8 @@ tsec_attach(struct tsec_softc *sc)
error = tsec_new_rxbuf(sc->tsec_rx_mtag, sc->rx_data[i].map,
&sc->rx_data[i].mbuf, &sc->rx_data[i].paddr);
if (error) {
device_printf(sc->dev, "can't load rx DMA map %d, error = "
"%d\n", i, error);
device_printf(sc->dev, "can't load rx DMA map %d, "
"error = %d\n", i, error);
tsec_detach(sc);
return (error);
}
@ -354,9 +357,7 @@ tsec_init_locked(struct tsec_softc *sc)
struct tsec_desc *tx_desc = sc->tsec_tx_vaddr;
struct tsec_desc *rx_desc = sc->tsec_rx_vaddr;
struct ifnet *ifp = sc->tsec_ifp;
uint32_t timeout;
uint32_t val;
uint32_t i;
uint32_t timeout, val, i;
TSEC_GLOBAL_LOCK_ASSERT(sc);
tsec_stop(sc);
@ -476,7 +477,8 @@ tsec_init_locked(struct tsec_softc *sc)
for (i = 0; i < TSEC_TX_NUM_DESC; i++) {
tx_desc[i].bufptr = 0;
tx_desc[i].length = 0;
tx_desc[i].flags = ((i == TSEC_TX_NUM_DESC - 1) ? TSEC_TXBD_W : 0);
tx_desc[i].flags = ((i == TSEC_TX_NUM_DESC - 1) ?
TSEC_TXBD_W : 0);
}
bus_dmamap_sync(sc->tsec_tx_dtag, sc->tsec_tx_dmap,
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
@ -541,14 +543,14 @@ static void
tsec_set_mac_address(struct tsec_softc *sc)
{
uint32_t macbuf[2] = { 0, 0 };
char *macbufp;
char *curmac;
char *macbufp, *curmac;
int i;
TSEC_GLOBAL_LOCK_ASSERT(sc);
KASSERT((ETHER_ADDR_LEN <= sizeof(macbuf)),
("tsec_set_mac_address: (%d <= %d", ETHER_ADDR_LEN, sizeof(macbuf)));
("tsec_set_mac_address: (%d <= %d", ETHER_ADDR_LEN,
sizeof(macbuf)));
macbufp = (char *)macbuf;
curmac = (char *)IF_LLADDR(sc->tsec_ifp);
@ -571,8 +573,7 @@ static void
tsec_dma_ctl(struct tsec_softc *sc, int state)
{
device_t dev;
uint32_t dma_flags;
uint32_t timeout;
uint32_t dma_flags, timeout;
dev = sc->dev;
@ -636,10 +637,10 @@ tsec_intrs_ctl(struct tsec_softc *sc, int state)
TSEC_WRITE(sc, TSEC_REG_IMASK, 0);
break;
case 1:
TSEC_WRITE(sc, TSEC_REG_IMASK, TSEC_IMASK_BREN | TSEC_IMASK_RXCEN |
TSEC_IMASK_BSYEN | TSEC_IMASK_EBERREN | TSEC_IMASK_BTEN |
TSEC_IMASK_TXEEN | TSEC_IMASK_TXBEN | TSEC_IMASK_TXFEN |
TSEC_IMASK_XFUNEN | TSEC_IMASK_RXFEN);
TSEC_WRITE(sc, TSEC_REG_IMASK, TSEC_IMASK_BREN |
TSEC_IMASK_RXCEN | TSEC_IMASK_BSYEN | TSEC_IMASK_EBERREN |
TSEC_IMASK_BTEN | TSEC_IMASK_TXEEN | TSEC_IMASK_TXBEN |
TSEC_IMASK_TXFEN | TSEC_IMASK_XFUNEN | TSEC_IMASK_RXFEN);
break;
default:
device_printf(dev, "tsec_intrs_ctl(): unknown state value: %d\n",
@ -711,8 +712,8 @@ tsec_start_locked(struct ifnet *ifp)
if (sc->tsec_link == 0)
return;
bus_dmamap_sync(sc->tsec_tx_dtag, sc->tsec_tx_dmap, BUS_DMASYNC_POSTREAD |
BUS_DMASYNC_POSTWRITE);
bus_dmamap_sync(sc->tsec_tx_dtag, sc->tsec_tx_dmap,
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
for (;;) {
/* Get packet from the queue */
@ -760,8 +761,8 @@ tsec_start_locked(struct ifnet *ifp)
queued++;
BPF_MTAP(ifp, m0);
}
bus_dmamap_sync(sc->tsec_tx_dtag, sc->tsec_tx_dmap, BUS_DMASYNC_PREREAD |
BUS_DMASYNC_PREWRITE);
bus_dmamap_sync(sc->tsec_tx_dtag, sc->tsec_tx_dmap,
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
if (queued) {
/* Enable transmitter and watchdog timer */
@ -793,7 +794,7 @@ tsec_encap(struct tsec_softc *sc, struct mbuf *m0, int fcb_inserted)
/* Create mapping in DMA memory */
error = bus_dmamap_load_mbuf_sg(sc->tsec_tx_mtag,
*mapp, m0, segs, &nsegs, BUS_DMA_NOWAIT);
*mapp, m0, segs, &nsegs, BUS_DMA_NOWAIT);
if (error != 0 || nsegs > TSEC_FREE_TX_DESC(sc) || nsegs <= 0) {
bus_dmamap_unload(sc->tsec_tx_mtag, *mapp);
TSEC_FREE_TX_MAP(sc, mapp);
@ -1032,7 +1033,7 @@ tsec_new_rxbuf(bus_dma_tag_t tag, bus_dmamap_t map, struct mbuf **mbufp,
}
error = bus_dmamap_load_mbuf_sg(tag, map, new_mbuf, seg, &nsegs,
BUS_DMA_NOWAIT);
BUS_DMA_NOWAIT);
KASSERT(nsegs == 1, ("Too many segments returned!"));
if (nsegs != 1 || error)
panic("tsec_new_rxbuf(): nsegs(%d), error(%d)", nsegs, error);
@ -1085,26 +1086,27 @@ tsec_alloc_dma_desc(device_t dev, bus_dma_tag_t *dtag, bus_dmamap_t *dmap,
dtag); /* dmat */
if (error) {
device_printf(dev, "failed to allocate busdma %s tag\n", dname);
device_printf(dev, "failed to allocate busdma %s tag\n",
dname);
(*vaddr) = NULL;
return (ENXIO);
}
error = bus_dmamem_alloc(*dtag, vaddr, BUS_DMA_NOWAIT | BUS_DMA_ZERO,
dmap);
dmap);
if (error) {
device_printf(dev, "failed to allocate %s DMA safe memory\n",
dname);
dname);
bus_dma_tag_destroy(*dtag);
(*vaddr) = NULL;
return (ENXIO);
}
error = bus_dmamap_load(*dtag, *dmap, *vaddr, dsize, tsec_map_dma_addr,
raddr, BUS_DMA_NOWAIT);
error = bus_dmamap_load(*dtag, *dmap, *vaddr, dsize,
tsec_map_dma_addr, raddr, BUS_DMA_NOWAIT);
if (error) {
device_printf(dev, "cannot get address of the %s descriptors\n",
dname);
device_printf(dev, "cannot get address of the %s "
"descriptors\n", dname);
bus_dmamem_free(*dtag, *vaddr, *dmap);
bus_dma_tag_destroy(*dtag);
(*vaddr) = NULL;
@ -1122,7 +1124,8 @@ tsec_free_dma_desc(bus_dma_tag_t dtag, bus_dmamap_t dmap, void *vaddr)
return;
/* Unmap descriptors from DMA memory */
bus_dmamap_sync(dtag, dmap, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
bus_dmamap_sync(dtag, dmap, BUS_DMASYNC_POSTREAD |
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(dtag, dmap);
/* Free descriptors memory */
@ -1140,8 +1143,9 @@ tsec_free_dma(struct tsec_softc *sc)
/* Free TX maps */
for (i = 0; i < TSEC_TX_NUM_DESC; i++)
if (sc->tx_map_data[i] != NULL)
bus_dmamap_destroy(sc->tsec_tx_mtag, sc->tx_map_data[i]);
/* Destroy tag for Tx mbufs */
bus_dmamap_destroy(sc->tsec_tx_mtag,
sc->tx_map_data[i]);
/* Destroy tag for TX mbufs */
bus_dma_tag_destroy(sc->tsec_tx_mtag);
/* Free RX mbufs and maps */
@ -1150,7 +1154,8 @@ tsec_free_dma(struct tsec_softc *sc)
/* Unload buffer from DMA */
bus_dmamap_sync(sc->tsec_rx_mtag, sc->rx_data[i].map,
BUS_DMASYNC_POSTREAD);
bus_dmamap_unload(sc->tsec_rx_mtag, sc->rx_data[i].map);
bus_dmamap_unload(sc->tsec_rx_mtag,
sc->rx_data[i].map);
/* Free buffer */
m_freem(sc->rx_data[i].mbuf);
@ -1160,7 +1165,7 @@ tsec_free_dma(struct tsec_softc *sc)
bus_dmamap_destroy(sc->tsec_rx_mtag,
sc->rx_data[i].map);
}
/* Destroy tag for Rx mbufs */
/* Destroy tag for RX mbufs */
bus_dma_tag_destroy(sc->tsec_rx_mtag);
/* Unload TX/RX descriptors */
@ -1182,10 +1187,8 @@ tsec_stop(struct tsec_softc *sc)
ifp = sc->tsec_ifp;
/* Stop tick engine */
callout_stop(&sc->tsec_callout);
/* Disable interface and watchdog timer */
callout_stop(&sc->tsec_callout);
ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
sc->tsec_watchdog = 0;
@ -1420,7 +1423,8 @@ tsec_transmit_intr_locked(struct tsec_softc *sc)
m0 = TSEC_GET_TX_MBUF(sc);
mapp = TSEC_GET_TX_MAP(sc);
bus_dmamap_sync(sc->tsec_tx_mtag, *mapp, BUS_DMASYNC_POSTWRITE);
bus_dmamap_sync(sc->tsec_tx_mtag, *mapp,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(sc->tsec_tx_mtag, *mapp);
TSEC_FREE_TX_MAP(sc, mapp);
@ -1567,7 +1571,8 @@ tsec_miibus_writereg(device_t dev, int phy, int reg, int value)
sc = device_get_softc(dev);
if (device_get_unit(dev) != phy)
device_printf(dev, "Trying to write to an alien PHY(%d)\n", phy);
device_printf(dev, "Trying to write to an alien PHY(%d)\n",
phy);
sc = tsec0_sc;
@ -1575,7 +1580,8 @@ tsec_miibus_writereg(device_t dev, int phy, int reg, int value)
TSEC_WRITE(sc, TSEC_REG_MIIMCON, value);
timeout = TSEC_READ_RETRY;
while (--timeout && (TSEC_READ(sc, TSEC_REG_MIIMIND) & TSEC_MIIMIND_BUSY))
while (--timeout && (TSEC_READ(sc, TSEC_REG_MIIMIND) &
TSEC_MIIMIND_BUSY))
DELAY(TSEC_READ_DELAY);
if (timeout == 0)
@ -1614,7 +1620,8 @@ tsec_miibus_statchg(device_t dev)
break;
case IFM_NONE:
if (link)
device_printf(dev, "No speed selected but link active!\n");
device_printf(dev, "No speed selected but link "
"active!\n");
sc->tsec_link = 0;
return;
default:

20
sys/dev/tsec/if_tsec.h
View File

@ -141,11 +141,11 @@ struct tsec_softc {
#define TSEC_PUT_GENERIC(hand, tab, count, wrap, val) \
((hand)->tab[TSEC_INC((hand)->count, wrap)] = val)
#define TSEC_BACK_GENERIC(sc, count, wrap) do { \
if ((sc)->count > 0) \
(sc)->count--; \
else \
(sc)->count = (wrap) - 1; \
#define TSEC_BACK_GENERIC(sc, count, wrap) do { \
if ((sc)->count > 0) \
(sc)->count--; \
else \
(sc)->count = (wrap) - 1; \
} while (0)
/* TX maps interface */
@ -197,12 +197,12 @@ struct tsec_softc {
TSEC_CNT_INIT((sc)->tx_dirty_desc_cnt, TSEC_TX_NUM_DESC); \
} while (0)
#define TSEC_GET_CUR_TX_DESC(sc) \
&TSEC_GET_GENERIC(sc, tsec_tx_vaddr, tx_cur_desc_cnt, \
#define TSEC_GET_CUR_TX_DESC(sc) \
&TSEC_GET_GENERIC(sc, tsec_tx_vaddr, tx_cur_desc_cnt, \
TSEC_TX_NUM_DESC)
#define TSEC_GET_DIRTY_TX_DESC(sc) \
&TSEC_GET_GENERIC(sc, tsec_tx_vaddr, tx_dirty_desc_cnt, \
#define TSEC_GET_DIRTY_TX_DESC(sc) \
&TSEC_GET_GENERIC(sc, tsec_tx_vaddr, tx_dirty_desc_cnt, \
TSEC_TX_NUM_DESC)
#define TSEC_BACK_DIRTY_TX_DESC(sc) \
@ -366,4 +366,4 @@ int tsec_suspend(device_t dev); /* XXX */
void tsec_get_hwaddr(struct tsec_softc *sc, uint8_t *addr);
#endif
#endif /* _IF_TSEC_H */

4
sys/dev/tsec/if_tsec_ocp.c
View File

@ -272,8 +272,8 @@ tsec_release_intr(struct tsec_softc *sc, struct resource *ires, void *ihand,
error = bus_release_resource(sc->dev, SYS_RES_IRQ, irid, ires);
if (error)
device_printf(sc->dev, "bus_release_resource() failed for %s intr"
", error %d\n", iname, error);
device_printf(sc->dev, "bus_release_resource() failed for %s "
"intr, error %d\n", iname, error);
}
static int