diff mbox series

[bpf-next,5/6] xsk: wrap duplicated code to function

Message ID 20241002155441.253956-6-maciej.fijalkowski@intel.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series xsk: struct diet and cleanups | expand

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bpf/vmtest-bpf-next-PR success PR summary
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for bpf-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 9 this patch: 9
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netdev/cc_maintainers warning 6 maintainers not CCed: jonathan.lemon@gmail.com pabeni@redhat.com kuba@kernel.org edumazet@google.com hawk@kernel.org john.fastabend@gmail.com
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Commit Message

Fijalkowski, Maciej Oct. 2, 2024, 3:54 p.m. UTC 
Both allocation paths have exactly the same code responsible for getting
and initializing xskb. Pull it out to common function.

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
---
 net/xdp/xsk_buff_pool.c | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)
diff mbox series

Patch

diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index e946ba4a5ccf..ae71da7d2cd6 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -503,6 +503,22 @@  static bool xp_check_aligned(struct xsk_buff_pool *pool, u64 *addr)
 	return *addr < pool->addrs_cnt;
 }
 
+static struct xdp_buff_xsk *xp_get_xskb(struct xsk_buff_pool *pool, u64 addr)
+{
+	struct xdp_buff_xsk *xskb;
+
+	if (pool->unaligned) {
+		xskb = pool->free_heads[--pool->free_heads_cnt];
+		xp_init_xskb_addr(xskb, pool, addr);
+		if (pool->dma_pages)
+			xp_init_xskb_dma(xskb, pool, pool->dma_pages, addr);
+	} else {
+		xskb = &pool->heads[xp_aligned_extract_idx(pool, addr)];
+	}
+
+	return xskb;
+}
+
 static struct xdp_buff_xsk *__xp_alloc(struct xsk_buff_pool *pool)
 {
 	struct xdp_buff_xsk *xskb;
@@ -528,14 +544,7 @@  static struct xdp_buff_xsk *__xp_alloc(struct xsk_buff_pool *pool)
 		break;
 	}
 
-	if (pool->unaligned) {
-		xskb = pool->free_heads[--pool->free_heads_cnt];
-		xp_init_xskb_addr(xskb, pool, addr);
-		if (pool->dma_pages)
-			xp_init_xskb_dma(xskb, pool, pool->dma_pages, addr);
-	} else {
-		xskb = &pool->heads[xp_aligned_extract_idx(pool, addr)];
-	}
+	xskb = xp_get_xskb(pool, addr);
 
 	xskq_cons_release(pool->fq);
 	return xskb;
@@ -593,14 +602,7 @@  static u32 xp_alloc_new_from_fq(struct xsk_buff_pool *pool, struct xdp_buff **xd
 			continue;
 		}
 
-		if (pool->unaligned) {
-			xskb = pool->free_heads[--pool->free_heads_cnt];
-			xp_init_xskb_addr(xskb, pool, addr);
-			if (pool->dma_pages)
-				xp_init_xskb_dma(xskb, pool, pool->dma_pages, addr);
-		} else {
-			xskb = &pool->heads[xp_aligned_extract_idx(pool, addr)];
-		}
+		xskb = xp_get_xskb(pool, addr);
 
 		*xdp = &xskb->xdp;
 		xdp++;