Commit f8cb6156 authored by Zhang Changzhong's avatar Zhang Changzhong
Browse files

kabi: net: reserve space for xdp subsystem related structure 

hulk inclusion
category: other
bugzilla: https://gitee.com/openeuler/kernel/issues/I8OWRC



----------------------------------------------------

Reserve some fields beforehand for xdp framework related structures
prone to change.

Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parent 46064348

include/net/xdp.h

+19 −0
Original line number Diff line number Diff line
@@ -54,6 +54,9 @@ enum xdp_mem_type { 
struct xdp_mem_info {

	u32 type; /* enum xdp_mem_type, but known size type */

	u32 id;



	KABI_RESERVE(1)

	KABI_RESERVE(2)

};



struct page_pool;
@@ -74,6 +77,9 @@ struct xdp_rxq_info { 


struct xdp_txq_info {

	struct net_device *dev;



	KABI_RESERVE(1)

	KABI_RESERVE(2)

};



enum xdp_buff_flags {
@@ -92,6 +98,11 @@ struct xdp_buff { 
	struct xdp_txq_info *txq;

	u32 frame_sz; /* frame size to deduce data_hard_end/reserved tailroom*/

	u32 flags; /* supported values defined in xdp_buff_flags */



	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

	KABI_RESERVE(4)

};



static __always_inline bool xdp_buff_has_frags(struct xdp_buff *xdp)
@@ -181,6 +192,11 @@ struct xdp_frame { 
	struct net_device *dev_rx; /* used by cpumap */

	u32 frame_sz;

	u32 flags; /* supported values defined in xdp_buff_flags */



	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

	KABI_RESERVE(4)

};



static __always_inline bool xdp_frame_has_frags(struct xdp_frame *frame)
@@ -198,6 +214,9 @@ struct xdp_frame_bulk { 
	int count;

	void *xa;

	void *q[XDP_BULK_QUEUE_SIZE];



	KABI_RESERVE(1)

	KABI_RESERVE(2)

};



static __always_inline void xdp_frame_bulk_init(struct xdp_frame_bulk *bq)