diff options
Diffstat (limited to 'drivers/net/ibm_newemac/tah.h')
| -rw-r--r-- | drivers/net/ibm_newemac/tah.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ibm_newemac/tah.h b/drivers/net/ibm_newemac/tah.h index a068b5658da..1246ea3f911 100644 --- a/drivers/net/ibm_newemac/tah.h +++ b/drivers/net/ibm_newemac/tah.h @@ -38,9 +38,26 @@ struct tah_regs { /* TAH device */ +/* + * Default MTU values for common networks. + * Note that the first value may not correct as + * we will use the device's current MTU for SSR0 + */ +#define TAH_SS_DEFAULT { 1500, \ + 1400, \ + 1280, \ + 1006, \ + 576, \ + 68 } +#define TAH_NO_SSR 6 struct tah_instance { struct tah_regs __iomem *base; + /* Current setting for TAHx_SSRx */ + u32 ss_array[TAH_NO_SSR]; + /* List of indexes of ordered TAH_x_SSRx values (from high to low)*/ + u32 ss_order[TAH_NO_SSR]; + /* Only one EMAC whacks us at a time */ struct mutex lock; @@ -69,6 +86,9 @@ struct tah_instance { #define TAH_MR_TFS_10KB 0x00a00000 #define TAH_MR_DTFP 0x00100000 #define TAH_MR_DIG 0x00080000 +#define TAH_SSR_2_SS(val) (((val) >> 17) & 0x1fff) +/* s is number of half words */ +#define SS_2_TAH_SSR(s) (((s) & 0x1fff) << 17) #ifdef CONFIG_IBM_NEW_EMAC_TAH @@ -79,6 +99,8 @@ extern void tah_detach(struct of_device *ofdev, int channel); extern void tah_reset(struct of_device *ofdev); extern int tah_get_regs_len(struct of_device *ofdev); extern void *tah_dump_regs(struct of_device *ofdev, void *buf); +extern void tah_set_ssr(struct of_device *ofdev, int index, int seg_size); +extern u32 tah_get_ssr(struct of_device *ofdev, int index); #else |