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Cast through void * to silence compiler warning

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The base netmap pointer and offsets involved are provided by the kernel
side of the netmap interface and will have appropriate alignment.

Sponsored by: ADARA Networks
MFC After: 2 weeks
This commit is contained in:
Ed Maste 2012-10-03 21:41:20 +00:00
parent ff12c59d9c
commit 104d9fc776
1 changed files with 8 additions and 7 deletions
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15
sys/net/netmap_user.h
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@ -62,15 +62,16 @@
#ifndef _NET_NETMAP_USER_H_
#define _NET_NETMAP_USER_H_
#define NETMAP_IF(b, o) (struct netmap_if *)((char *)(b) + (o))
#define _NETMAP_OFFSET(type, ptr, offset) \
((type)(void *)((char *)(ptr) + (offset)))
#define NETMAP_TXRING(nifp, index) \
((struct netmap_ring *)((char *)(nifp) + \
(nifp)->ring_ofs[index] ) )
#define NETMAP_IF(b, o) _NETMAP_OFFSET(struct netmap_if *, b, o)
#define NETMAP_RXRING(nifp, index) \
((struct netmap_ring *)((char *)(nifp) + \
(nifp)->ring_ofs[index + (nifp)->ni_tx_rings + 1] ) )
#define NETMAP_TXRING(nifp, index) _NETMAP_OFFSET(struct netmap_ring *, \
nifp, (nifp)->ring_ofs[index] )
#define NETMAP_RXRING(nifp, index) _NETMAP_OFFSET(struct netmap_ring *, \
nifp, (nifp)->ring_ofs[index + (nifp)->ni_tx_rings + 1] )
#define NETMAP_BUF(ring, index) \
((char *)(ring) + (ring)->buf_ofs + ((index)*(ring)->nr_buf_size))