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mgb: correct macro argument name

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mgb had a longstanding typo in function-like macro MGB_NEXT_RING_IDX's
argument, but the macro had no consumers.  r365061 introduced a use of
the macro, after which mgb failed to build.

MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2020-09-03 02:17:55 +00:00
parent 18f917a90e
commit 49492b213f
1 changed files with 2 additions and 2 deletions
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4
sys/dev/mgb/if_mgb.h
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@ -178,8 +178,8 @@
#define MGB_DESC_GET_FRAME_LEN(_desc) \
(((_desc)->ctl & MGB_DESC_FRAME_LEN_MASK) >> 16)
#define MGB_NEXT_RING_IDX(_idx) (((_idx) == MGB_DMA_RING_SIZE - 1) ? 0 : ((_idx_) + 1))
#define MGB_PREV_RING_IDX(_idx) (((_idx) == 0) ? (MGB_DMA_RING_SIZE - 1) : ((_idx_) - 1))
#define MGB_NEXT_RING_IDX(_idx) (((_idx) == MGB_DMA_RING_SIZE - 1) ? 0 : ((_idx) + 1))
#define MGB_PREV_RING_IDX(_idx) (((_idx) == 0) ? (MGB_DMA_RING_SIZE - 1) : ((_idx) - 1))
#define MGB_RING_SPACE(_sc) \
((((_sc)->tx_ring_data.last_head - (_sc)->tx_ring_data.last_tail - 1) \
+ MGB_DMA_RING_SIZE ) % MGB_DMA_RING_SIZE )