netdev - [PATCH net-next] xsk: make struct xsk_cb_desc available outside CONFIG_XDP

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Message-Id: <20231219110205.1289506-1-vladimir.oltean@nxp.com>
Date: Tue, 19 Dec 2023 13:02:05 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: netdev@...r.kernel.org
Cc: bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Randy Dunlap <rdunlap@...radead.org>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	Björn Töpel <bjorn@...nel.org>,
	Magnus Karlsson <magnus.karlsson@...el.com>,
	Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
	Jonathan Lemon <jonathan.lemon@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Larysa Zaremba <larysa.zaremba@...el.com>
Subject: [PATCH net-next] xsk: make struct xsk_cb_desc available outside CONFIG_XDP_SOCKETS

The ice driver fails to build when CONFIG_XDP_SOCKETS is disabled.

drivers/net/ethernet/intel/ice/ice_base.c:533:21: error:
variable has incomplete type 'struct xsk_cb_desc'
        struct xsk_cb_desc desc = {};
                           ^
include/net/xsk_buff_pool.h:15:8: note:
forward declaration of 'struct xsk_cb_desc'
struct xsk_cb_desc;
       ^

Fixes: d68d707dcbbf ("ice: Support XDP hints in AF_XDP ZC mode")
Closes: https://lore.kernel.org/netdev/8b76dad3-8847-475b-aa17-613c9c978f7a@infradead.org/
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
Posting to net-next since this tree is broken at this stage, not only
bpf-next.

 include/net/xdp_sock_drv.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h
index b62bb8525a5f..526c1e7f505e 100644
--- a/include/net/xdp_sock_drv.h
+++ b/include/net/xdp_sock_drv.h
@@ -12,14 +12,14 @@
 #define XDP_UMEM_MIN_CHUNK_SHIFT 11
 #define XDP_UMEM_MIN_CHUNK_SIZE (1 << XDP_UMEM_MIN_CHUNK_SHIFT)
 
-#ifdef CONFIG_XDP_SOCKETS
-
 struct xsk_cb_desc {
 	void *src;
 	u8 off;
 	u8 bytes;
 };
 
+#ifdef CONFIG_XDP_SOCKETS
+
 void xsk_tx_completed(struct xsk_buff_pool *pool, u32 nb_entries);
 bool xsk_tx_peek_desc(struct xsk_buff_pool *pool, struct xdp_desc *desc);
 u32 xsk_tx_peek_release_desc_batch(struct xsk_buff_pool *pool, u32 max);
-- 
2.34.1