diff options
Diffstat (limited to 'include/net/xsk_buff_pool.h')
-rw-r--r-- | include/net/xsk_buff_pool.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h index eaa8386dbc63..7a9a23e7a604 100644 --- a/include/net/xsk_buff_pool.h +++ b/include/net/xsk_buff_pool.h @@ -147,11 +147,16 @@ static inline bool xp_desc_crosses_non_contig_pg(struct xsk_buff_pool *pool, { bool cross_pg = (addr & (PAGE_SIZE - 1)) + len > PAGE_SIZE; - if (pool->dma_pages_cnt && cross_pg) { + if (likely(!cross_pg)) + return false; + + if (pool->dma_pages_cnt) { return !(pool->dma_pages[addr >> PAGE_SHIFT] & XSK_NEXT_PG_CONTIG_MASK); } - return false; + + /* skb path */ + return addr + len > pool->addrs_cnt; } static inline u64 xp_aligned_extract_addr(struct xsk_buff_pool *pool, u64 addr) |