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other simplifications in the internal interfaces to the

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memory allocator.
This commit is contained in:
Luigi Rizzo 2012-01-10 23:02:01 +00:00
parent 4bbeefbb07
commit 446ee30192
1 changed files with 13 additions and 11 deletions
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24
sys/dev/netmap/netmap.c
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@ -152,8 +152,10 @@ SYSCTL_INT(_dev_netmap, OID_AUTO, free_buffers,
* Buffer 0 is the 'junk' buffer.
*/
static void
netmap_new_bufs(struct netmap_buf_pool *p, struct netmap_slot *slot, u_int n)
netmap_new_bufs(struct netmap_if *nifp __unused,
struct netmap_slot *slot, u_int n)
{
struct netmap_buf_pool *p = &nm_buf_pool;
uint32_t bi = 0; /* index in the bitmap */
uint32_t mask, j, i = 0; /* slot counter */
@ -182,8 +184,10 @@ netmap_new_bufs(struct netmap_buf_pool *p, struct netmap_slot *slot, u_int n)
static void
netmap_free_buf(struct netmap_buf_pool *p, uint32_t i)
netmap_free_buf(struct netmap_if *nifp __unused, uint32_t i)
{
struct netmap_buf_pool *p = &nm_buf_pool;
uint32_t pos, mask;
if (i >= p->total_buffers) {
D("invalid free index %d", i);
@ -399,15 +403,13 @@ netmap_dtor(void *data)
ring = na->tx_rings[i].ring;
lim = na->tx_rings[i].nkr_num_slots;
for (j = 0; j < lim; j++)
netmap_free_buf(&nm_buf_pool,
ring->slot[j].buf_idx);
netmap_free_buf(nifp, ring->slot[j].buf_idx);
ND("rx queue %d", i);
ring = na->rx_rings[i].ring;
lim = na->rx_rings[i].nkr_num_slots;
for (j = 0; j < lim; j++)
netmap_free_buf(&nm_buf_pool,
ring->slot[j].buf_idx);
netmap_free_buf(nifp, ring->slot[j].buf_idx);
}
NMA_UNLOCK();
netmap_free_rings(na);
@ -516,7 +518,7 @@ error:
*/
ring->avail = kring->nr_hwavail = numdesc - 1;
ring->cur = kring->nr_hwcur = 0;
netmap_new_bufs(&nm_buf_pool, ring->slot, numdesc);
netmap_new_bufs(nifp, ring->slot, numdesc);
ofs += sizeof(struct netmap_ring) +
numdesc * sizeof(struct netmap_slot);
@ -535,7 +537,7 @@ error:
kring->nkr_num_slots = numdesc;
ring->cur = kring->nr_hwcur = 0;
ring->avail = kring->nr_hwavail = 0; /* empty */
netmap_new_bufs(&nm_buf_pool, ring->slot, numdesc);
netmap_new_bufs(nifp, ring->slot, numdesc);
ofs += sizeof(struct netmap_ring) +
numdesc * sizeof(struct netmap_slot);
}
@ -580,8 +582,9 @@ netmap_mmap(__unused struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
{
if (nprot & PROT_EXEC)
return (-1); // XXX -1 or EINVAL ?
ND("request for offset 0x%x", (uint32_t)offset);
*paddr = vtophys(netmap_mem_d->nm_buffer) + offset;
*paddr = netmap_ofstophys(offset);
return (0);
}
@ -953,8 +956,7 @@ error:
nmr->nr_numrings = na->num_queues;
nmr->nr_numslots = na->num_tx_desc;
nmr->nr_memsize = netmap_mem_d->nm_totalsize;
nmr->nr_offset =
((char *) nifp - (char *) netmap_mem_d->nm_buffer);
nmr->nr_offset = netmap_if_offset(nifp);
break;
case NIOCUNREGIF: