Author: yongari
Date: Sun Aug 15 23:48:58 2010
New Revision: 211386
URL: http://svn.freebsd.org/changeset/base/211386
Log:
MFC r210263,210267,210269-210270:
r210263:
Do not report current link state if interface is not UP.
r210267:
Add KASSERT to check number of returned DMA segments.
r210269:
Use bus_get_dma_tag() to get parent tag. Also use
BUS_SPACE_MAXSIZE_32BIT to specify sum of all segment lengths.
Previously it used MAXBSIZE which was wrong.
r210270:
Specify BUS_DMA_ZERO flag to bus_dmamem_alloc(9) and remove bzero()
calls. Also add BUS_DMA_COHERENT flag to bus_dmamem_alloc(9) to
take advantage of efficient synchronization for architectures that
support that feature.
Modified:
stable/7/sys/dev/bce/if_bce.c
Directory Properties:
stable/7/sys/ (props changed)
stable/7/sys/cddl/contrib/opensolaris/ (props changed)
stable/7/sys/contrib/dev/acpica/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
Modified: stable/7/sys/dev/bce/if_bce.c
==============================================================================
--- stable/7/sys/dev/bce/if_bce.c Sun Aug 15 23:47:04 2010
(r211385)
+++ stable/7/sys/dev/bce/if_bce.c Sun Aug 15 23:48:58 2010
(r211386)
@@ -3088,6 +3088,8 @@ bce_dma_map_addr(void *arg, bus_dma_segm
{
bus_addr_t *busaddr = arg;
+ KASSERT(nseg == 1, ("%s(): Too many segments returned (%d)!",
+ __FUNCTION__, nseg));
/* Simulate a mapping failure. */
DBRUNIF(DB_RANDOMTRUE(dma_map_addr_failed_sim_control),
error = ENOMEM);
@@ -3144,10 +3146,10 @@ bce_dma_alloc(device_t dev)
/*
* Allocate the parent bus DMA tag appropriate for PCI.
*/
- if (bus_dma_tag_create(NULL, 1, BCE_DMA_BOUNDARY,
+ if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, BCE_DMA_BOUNDARY,
sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL,
- MAXBSIZE, BUS_SPACE_UNRESTRICTED, BUS_SPACE_MAXSIZE_32BIT,
- 0, NULL, NULL, &sc->parent_tag)) {
+ BUS_SPACE_MAXSIZE_32BIT, 0, BUS_SPACE_MAXSIZE_32BIT, 0, NULL, NULL,
+ &sc->parent_tag)) {
BCE_PRINTF("%s(%d): Could not allocate parent DMA tag!\n",
__FILE__, __LINE__);
rc = ENOMEM;
@@ -3170,15 +3172,14 @@ bce_dma_alloc(device_t dev)
}
if(bus_dmamem_alloc(sc->status_tag, (void **)&sc->status_block,
- BUS_DMA_NOWAIT, &sc->status_map)) {
+ BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT,
+ &sc->status_map)) {
BCE_PRINTF("%s(%d): Could not allocate status block "
"DMA memory!\n", __FILE__, __LINE__);
rc = ENOMEM;
goto bce_dma_alloc_exit;
}
- bzero((char *)sc->status_block, BCE_STATUS_BLK_SZ);
-
error = bus_dmamap_load(sc->status_tag, sc->status_map,
sc->status_block, BCE_STATUS_BLK_SZ, bce_dma_map_addr,
&sc->status_block_paddr, BUS_DMA_NOWAIT);
@@ -3209,15 +3210,13 @@ bce_dma_alloc(device_t dev)
}
if (bus_dmamem_alloc(sc->stats_tag, (void **)&sc->stats_block,
- BUS_DMA_NOWAIT, &sc->stats_map)) {
+ BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT, &sc->stats_map)) {
BCE_PRINTF("%s(%d): Could not allocate statistics block "
"DMA memory!\n", __FILE__, __LINE__);
rc = ENOMEM;
goto bce_dma_alloc_exit;
}
- bzero((char *)sc->stats_block, BCE_STATS_BLK_SZ);
-
error = bus_dmamap_load(sc->stats_tag, sc->stats_map,
sc->stats_block, BCE_STATS_BLK_SZ, bce_dma_map_addr,
&sc->stats_block_paddr, BUS_DMA_NOWAIT);
@@ -3263,7 +3262,7 @@ bce_dma_alloc(device_t dev)
if(bus_dmamem_alloc(sc->ctx_tag,
(void **)&sc->ctx_block[i],
- BUS_DMA_NOWAIT,
+ BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT,
&sc->ctx_map[i])) {
BCE_PRINTF("%s(%d): Could not allocate CTX "
"DMA memory!\n", __FILE__, __LINE__);
@@ -3271,8 +3270,6 @@ bce_dma_alloc(device_t dev)
goto bce_dma_alloc_exit;
}
- bzero((char *)sc->ctx_block[i], BCM_PAGE_SIZE);
-
error = bus_dmamap_load(sc->ctx_tag, sc->ctx_map[i],
sc->ctx_block[i], BCM_PAGE_SIZE, bce_dma_map_addr,
&sc->ctx_paddr[i], BUS_DMA_NOWAIT);
@@ -3308,7 +3305,8 @@ bce_dma_alloc(device_t dev)
for (i = 0; i < TX_PAGES; i++) {
if(bus_dmamem_alloc(sc->tx_bd_chain_tag,
- (void **)&sc->tx_bd_chain[i], BUS_DMA_NOWAIT,
+ (void **)&sc->tx_bd_chain[i],
+ BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT,
&sc->tx_bd_chain_map[i])) {
BCE_PRINTF("%s(%d): Could not allocate TX descriptor "
"chain DMA memory!\n", __FILE__, __LINE__);
@@ -3384,7 +3382,8 @@ bce_dma_alloc(device_t dev)
for (i = 0; i < RX_PAGES; i++) {
if (bus_dmamem_alloc(sc->rx_bd_chain_tag,
- (void **)&sc->rx_bd_chain[i], BUS_DMA_NOWAIT,
+ (void **)&sc->rx_bd_chain[i],
+ BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT,
&sc->rx_bd_chain_map[i])) {
BCE_PRINTF("%s(%d): Could not allocate RX descriptor "
"chain DMA memory!\n", __FILE__, __LINE__);
@@ -3392,8 +3391,6 @@ bce_dma_alloc(device_t dev)
goto bce_dma_alloc_exit;
}
- bzero((char *)sc->rx_bd_chain[i], BCE_RX_CHAIN_PAGE_SZ);
-
error = bus_dmamap_load(sc->rx_bd_chain_tag,
sc->rx_bd_chain_map[i], sc->rx_bd_chain[i],
BCE_RX_CHAIN_PAGE_SZ, bce_dma_map_addr,
@@ -3427,9 +3424,10 @@ bce_dma_alloc(device_t dev)
"size = 0x%jX)\n", __FUNCTION__, (uintmax_t) max_size,
max_segments, (uintmax_t) max_seg_size);
- if (bus_dma_tag_create(sc->parent_tag, 1, BCE_DMA_BOUNDARY,
- sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL, max_size,
- max_segments, max_seg_size, 0, NULL, NULL, &sc->rx_mbuf_tag)) {
+ if (bus_dma_tag_create(sc->parent_tag, 1,
+ BCE_DMA_BOUNDARY, sc->max_bus_addr, BUS_SPACE_MAXADDR, NULL, NULL,
+ max_size, max_segments, max_seg_size, 0, NULL, NULL,
+ &sc->rx_mbuf_tag)) {
BCE_PRINTF("%s(%d): Could not allocate RX mbuf DMA tag!\n",
__FILE__, __LINE__);
rc = ENOMEM;
@@ -3466,7 +3464,8 @@ bce_dma_alloc(device_t dev)
for (i = 0; i < PG_PAGES; i++) {
if (bus_dmamem_alloc(sc->pg_bd_chain_tag,
- (void **)&sc->pg_bd_chain[i], BUS_DMA_NOWAIT,
+ (void **)&sc->pg_bd_chain[i],
+ BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_COHERENT,
&sc->pg_bd_chain_map[i])) {
BCE_PRINTF("%s(%d): Could not allocate page "
"descriptor chain DMA memory!\n",
@@ -3475,8 +3474,6 @@ bce_dma_alloc(device_t dev)
goto bce_dma_alloc_exit;
}
- bzero((char *)sc->pg_bd_chain[i], BCE_PG_CHAIN_PAGE_SZ);
-
error = bus_dmamap_load(sc->pg_bd_chain_tag,
sc->pg_bd_chain_map[i], sc->pg_bd_chain[i],
BCE_PG_CHAIN_PAGE_SZ, bce_dma_map_addr,
@@ -5858,6 +5855,10 @@ bce_ifmedia_sts(struct ifnet *ifp, struc
BCE_LOCK(sc);
+ if ((ifp->if_flags & IFF_UP) == 0) {
+ BCE_UNLOCK(sc);
+ return;
+ }
mii = device_get_softc(sc->bce_miibus);
mii_pollstat(mii);
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