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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
| commit | bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch) | |
| tree | 2f6dffd2d3e4dd67355a224de7e7a960335a92fd /drivers/net/wireless/b43/dma.h | |
| parent | 11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff) | |
| parent | 3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff) | |
| download | op-kernel-dev-bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71.zip op-kernel-dev-bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71.tar.gz | |
Merge commit 'origin/master' into next
Conflicts:
include/linux/kvm.h
Diffstat (limited to 'drivers/net/wireless/b43/dma.h')
| -rw-r--r-- | drivers/net/wireless/b43/dma.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h index f0b0838..e607b39 100644 --- a/drivers/net/wireless/b43/dma.h +++ b/drivers/net/wireless/b43/dma.h @@ -1,7 +1,7 @@ #ifndef B43_DMA_H_ #define B43_DMA_H_ -#include <linux/ieee80211.h> +#include <linux/err.h> #include "b43.h" @@ -157,7 +157,6 @@ struct b43_dmadesc_generic { } __attribute__ ((__packed__)); /* Misc DMA constants */ -#define B43_DMA_RINGMEMSIZE PAGE_SIZE #define B43_DMA0_RX_FRAMEOFFSET 30 /* DMA engine tuning knobs */ @@ -165,6 +164,10 @@ struct b43_dmadesc_generic { #define B43_RXRING_SLOTS 64 #define B43_DMA0_RX_BUFFERSIZE IEEE80211_MAX_FRAME_LEN +/* Pointer poison */ +#define B43_DMA_PTR_POISON ((void *)ERR_PTR(-ENOMEM)) +#define b43_dma_ptr_is_poisoned(ptr) (unlikely((ptr) == B43_DMA_PTR_POISON)) + struct sk_buff; struct b43_private; @@ -243,6 +246,12 @@ struct b43_dmaring { /* The QOS priority assigned to this ring. Only used for TX rings. * This is the mac80211 "queue" value. */ u8 queue_prio; + /* Pointers and size of the originally allocated and mapped memory + * region for the descriptor ring. */ + void *alloc_descbase; + dma_addr_t alloc_dmabase; + unsigned int alloc_descsize; + /* Pointer to our wireless device. */ struct b43_wldev *dev; #ifdef CONFIG_B43_DEBUG /* Maximum number of used slots. */ |
