diff mbox series

[net-next] xsk: make struct xsk_cb_desc available outside CONFIG_XDP_SOCKETS

Message ID 20231219110205.1289506-1-vladimir.oltean@nxp.com (mailing list archive)
State Accepted
Commit 8dc4c410006531ddad981ca9578f83cb93860819
Delegated to: Netdev Maintainers
Headers show
Series [net-next] xsk: make struct xsk_cb_desc available outside CONFIG_XDP_SOCKETS | expand

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Commit Message

Vladimir Oltean Dec. 19, 2023, 11:02 a.m. UTC 
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@nxp.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(-)

Comments

Larysa Zaremba Dec. 19, 2023, 11:26 a.m. UTC | #1 
On Tue, Dec 19, 2023 at 01:02:05PM +0200, Vladimir Oltean wrote:
> 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@nxp.com>

This probably should go through bpf-next. Other than that, fix looks fine:

Acked-by: Larysa Zaremba <larysa.zaremba@intel.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
>
Vladimir Oltean Dec. 19, 2023, 11:47 a.m. UTC | #2 
On Tue, Dec 19, 2023 at 12:26:50PM +0100, Larysa Zaremba wrote:
> On Tue, Dec 19, 2023 at 01:02:05PM +0200, Vladimir Oltean wrote:
> > 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@nxp.com>
> 
> This probably should go through bpf-next. Other than that, fix looks fine:
> 
> Acked-by: Larysa Zaremba <larysa.zaremba@intel.com>
> 
> > ---
> > Posting to net-next since this tree is broken at this stage, not only
> > bpf-next.

It was a conscious decision. Build fixes are more time critical than
most other patches, and net-next is more likely to suffer from a failure
with CONFIG_XDP_SOCKETS disabled than bpf-next is. But, sure, it's up to
maintainers to figure out how to deal with it.
Maciej Fijalkowski Dec. 19, 2023, 4:47 p.m. UTC | #3 
On Tue, Dec 19, 2023 at 01:02:05PM +0200, Vladimir Oltean wrote:
> 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@nxp.com>

Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>

Thanks Vladimir for acting upon this. Later on let us think about moving
this definition to xdp_sock.h maybe.

> ---
> 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
>
Randy Dunlap Dec. 19, 2023, 10:57 p.m. UTC | #4 
On 12/19/23 03:02, Vladimir Oltean wrote:
> 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@nxp.com>


Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested

Thanks.

> ---
> 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);
patchwork-bot+netdevbpf@kernel.org Jan. 2, 2024, 11:40 p.m. UTC | #5 
Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 19 Dec 2023 13:02:05 +0200 you wrote:
> 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;
>        ^
> 
> [...]

Here is the summary with links:
  - [net-next] xsk: make struct xsk_cb_desc available outside CONFIG_XDP_SOCKETS
    https://git.kernel.org/netdev/net-next/c/8dc4c4100065

You are awesome, thank you!
diff mbox series

Patch

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);