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author | 2017-05-16 14:51:32 +0200 | |
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committer | 2017-05-16 14:51:32 +0200 | |
commit | fca143f059a0bddd7d47b8dc2df646a891b0eb0f (patch) | |
tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /lib/librte_kni/rte_kni_fifo.h | |
parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) |
Imported Upstream version 17.05
Diffstat (limited to 'lib/librte_kni/rte_kni_fifo.h')
-rw-r--r-- | lib/librte_kni/rte_kni_fifo.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/librte_kni/rte_kni_fifo.h b/lib/librte_kni/rte_kni_fifo.h index 8cb85873..c7cd5c26 100644 --- a/lib/librte_kni/rte_kni_fifo.h +++ b/lib/librte_kni/rte_kni_fifo.h @@ -91,3 +91,12 @@ kni_fifo_get(struct rte_kni_fifo *fifo, void **data, unsigned num) fifo->read = new_read; return i; } + +/** + * Get the num of elements in the fifo + */ +static inline uint32_t +kni_fifo_count(struct rte_kni_fifo *fifo) +{ + return (fifo->len + fifo->write - fifo->read) & (fifo->len - 1); +} |