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Commit e61e62b9 authored by Björn Töpel's avatar Björn Töpel Committed by Daniel Borkmann
Browse files

xsk: moved struct xdp_umem definition 



Moved struct xdp_umem to xdp_sock.h, in order to prepare for zero-copy
support.

Signed-off-by: default avatarBjörn Töpel <bjorn.topel@intel.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 763f9b41

include/net/xdp_sock.h

+23 −1
Original line number Diff line number Diff line
@@ -6,12 +6,34 @@ 
#ifndef _LINUX_XDP_SOCK_H

#define _LINUX_XDP_SOCK_H



#include <linux/workqueue.h>

#include <linux/if_xdp.h>

#include <linux/mutex.h>

#include <linux/mm.h>

#include <net/sock.h>



struct net_device;

struct xsk_queue;

struct xdp_umem;



struct xdp_umem_props {

	u64 chunk_mask;

	u64 size;

};



struct xdp_umem {

	struct xsk_queue *fq;

	struct xsk_queue *cq;

	struct page **pgs;

	struct xdp_umem_props props;

	u32 headroom;

	u32 chunk_size_nohr;

	struct user_struct *user;

	struct pid *pid;

	unsigned long address;

	refcount_t users;

	struct work_struct work;

	u32 npgs;

};



struct xdp_sock {

	/* struct sock must be the first member of struct xdp_sock */

net/xdp/xdp_umem.c

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/mm.h>



#include "xdp_umem.h"

#include "xsk_queue.h"



#define XDP_UMEM_MIN_CHUNK_SIZE 2048

net/xdp/xdp_umem.h

+1 −21
Original line number Diff line number Diff line
@@ -6,27 +6,7 @@ 
#ifndef XDP_UMEM_H_

#define XDP_UMEM_H_



#include <linux/mm.h>

#include <linux/if_xdp.h>

#include <linux/workqueue.h>



#include "xsk_queue.h"

#include "xdp_umem_props.h"



struct xdp_umem {

	struct xsk_queue *fq;

	struct xsk_queue *cq;

	struct page **pgs;

	struct xdp_umem_props props;

	u32 headroom;

	u32 chunk_size_nohr;

	struct user_struct *user;

	struct pid *pid;

	unsigned long address;

	refcount_t users;

	struct work_struct work;

	u32 npgs;

};

#include <net/xdp_sock.h>



static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr)

{

net/xdp/xsk_queue.h

+1 −2
Original line number Diff line number Diff line
@@ -8,8 +8,7 @@ 


#include <linux/types.h>

#include <linux/if_xdp.h>



#include "xdp_umem_props.h"

#include <net/xdp_sock.h>



#define RX_BATCH_SIZE 16