enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/include/net/xsk_buff_pool.h
..
..
@@ -150,13 +150,8 @@
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 	if (likely(!cross_pg))
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 		return false;
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-	if (pool->dma_pages_cnt) {
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-		return !(pool->dma_pages[addr >> PAGE_SHIFT] &
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-			 XSK_NEXT_PG_CONTIG_MASK);
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-	}
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-
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-	/* skb path */
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-	return addr + len > pool->addrs_cnt;
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+	return pool->dma_pages_cnt &&
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+	       !(pool->dma_pages[addr >> PAGE_SHIFT] & XSK_NEXT_PG_CONTIG_MASK);
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 }
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 static inline u64 xp_aligned_extract_addr(struct xsk_buff_pool *pool, u64 addr)