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net: define the TSO header size in net/tso.h

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The TSO header size was defined in many drivers. Factorize the code and
define its size in net/tso.h.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Antoine Ténart 2017-08-23 09:46:54 +02:00 committed by David S. Miller
parent 5f9ae3d9e7
commit f9cbe9a556
5 changed files with 2 additions and 7 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/net/ethernet/cavium/thunder/nicvf_queues.h
View file

@ -277,7 +277,6 @@ struct snd_queue {
u16 xdp_free_cnt; u16 xdp_free_cnt;
bool is_xdp; bool is_xdp;
#define TSO_HEADER_SIZE 128
/* For TSO segment's header */ /* For TSO segment's header */
char *tso_hdrs; char *tso_hdrs;
dma_addr_t tso_hdrs_phys; dma_addr_t tso_hdrs_phys;

1
drivers/net/ethernet/freescale/fec_main.c
View file

@ -226,7 +226,6 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address");
#define COPYBREAK_DEFAULT 256 #define COPYBREAK_DEFAULT 256
#define TSO_HEADER_SIZE 128
/* Max number of allowed TCP segments for software TSO */ /* Max number of allowed TCP segments for software TSO */
#define FEC_MAX_TSO_SEGS 100 #define FEC_MAX_TSO_SEGS 100
#define FEC_MAX_SKB_DESCS (FEC_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS) #define FEC_MAX_SKB_DESCS (FEC_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)

2
drivers/net/ethernet/marvell/mv643xx_eth.c
View file

@ -183,8 +183,6 @@ static char mv643xx_eth_driver_version[] = "1.4";
#define DEFAULT_TX_QUEUE_SIZE 512 #define DEFAULT_TX_QUEUE_SIZE 512
#define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES) #define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)
#define TSO_HEADER_SIZE 128
/* Max number of allowed TCP segments for software TSO */ /* Max number of allowed TCP segments for software TSO */
#define MV643XX_MAX_TSO_SEGS 100 #define MV643XX_MAX_TSO_SEGS 100
#define MV643XX_MAX_SKB_DESCS (MV643XX_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS) #define MV643XX_MAX_SKB_DESCS (MV643XX_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)

3
drivers/net/ethernet/marvell/mvneta.c
View file

@ -281,9 +281,6 @@
*/ */
#define MVNETA_RSS_LU_TABLE_SIZE 1 #define MVNETA_RSS_LU_TABLE_SIZE 1
/* TSO header size */
#define TSO_HEADER_SIZE 128
/* Max number of Rx descriptors */ /* Max number of Rx descriptors */
#define MVNETA_MAX_RXD 128 #define MVNETA_MAX_RXD 128

2
include/net/tso.h
View file

@ -3,6 +3,8 @@
#include <net/ip.h> #include <net/ip.h>
#define TSO_HEADER_SIZE 128
struct tso_t { struct tso_t {
int next_frag_idx; int next_frag_idx;
void *data; void *data;