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| author | Dmitry Kravkov <dmitry@broadcom.com> | 2011-06-14 01:34:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@conan.davemloft.net> | 2011-06-15 10:56:59 -0400 |
| commit | d1976b2e6478a1b8ff2dc35979e7791e2d668285 (patch) | |
| tree | 43c83d26dd26aec6e6c81ac3869bf24f2f101518 /drivers/net/bnx2x/bnx2x_dcb.h | |
| parent | 60d2fe0312b3301fb5a65e9ed0b44465c8237055 (diff) | |
| download | linux-stable-d1976b2e6478a1b8ff2dc35979e7791e2d668285.tar.gz linux-stable-d1976b2e6478a1b8ff2dc35979e7791e2d668285.tar.bz2 linux-stable-d1976b2e6478a1b8ff2dc35979e7791e2d668285.zip | |
bnx2x: PFC support for 578xx
Add supoprt for 3 COSes for 578xx devices.
Fix HW configuration for PFC feature according to new HSI in link layer.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_dcb.h')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_dcb.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/net/bnx2x/bnx2x_dcb.h b/drivers/net/bnx2x/bnx2x_dcb.h index b3a655ff2bac..2c6a3bca6f28 100644 --- a/drivers/net/bnx2x/bnx2x_dcb.h +++ b/drivers/net/bnx2x/bnx2x_dcb.h @@ -27,22 +27,30 @@ struct bnx2x_dcbx_app_params { u32 traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; }; -#define E2_NUM_OF_COS 2 -#define BNX2X_DCBX_COS_NOT_STRICT 0 -#define BNX2X_DCBX_COS_LOW_STRICT 1 -#define BNX2X_DCBX_COS_HIGH_STRICT 2 +#define DCBX_COS_MAX_NUM_E2 DCBX_E2E3_MAX_NUM_COS +/* bnx2x currently limits numbers of supported COSes to 3 to be extended to 6 */ +#define BNX2X_MAX_COS_SUPPORT 3 +#define DCBX_COS_MAX_NUM_E3B0 BNX2X_MAX_COS_SUPPORT +#define DCBX_COS_MAX_NUM BNX2X_MAX_COS_SUPPORT struct bnx2x_dcbx_cos_params { u32 bw_tbl; u32 pri_bitmask; + /* + * strict priority: valid values are 0..5; 0 is highest priority. + * There can't be two COSes with the same priority. + */ u8 strict; +#define BNX2X_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM +#define BNX2X_DCBX_STRICT_COS_HIGHEST 0 +#define BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1) u8 pauseable; }; struct bnx2x_dcbx_pg_params { u32 enabled; u8 num_of_cos; /* valid COS entries */ - struct bnx2x_dcbx_cos_params cos_params[E2_NUM_OF_COS]; + struct bnx2x_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM]; }; struct bnx2x_dcbx_pfc_params { @@ -134,7 +142,7 @@ struct cos_entry_help_data { }; struct cos_help_data { - struct cos_entry_help_data data[E2_NUM_OF_COS]; + struct cos_entry_help_data data[DCBX_COS_MAX_NUM]; u8 num_of_cos; }; @@ -150,6 +158,8 @@ struct cos_help_data { ((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(bp))) #define DCBX_PFC_PRI_GET_NON_PAUSE(bp, pg_pri) \ (DCBX_PFC_PRI_NON_PAUSE_MASK(bp) & (pg_pri)) +#define DCBX_IS_PFC_PRI_SOME_PAUSE(bp, pg_pri) \ + (0 != DCBX_PFC_PRI_GET_PAUSE(bp, pg_pri)) #define IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pg_pri) \ (pg_pri == DCBX_PFC_PRI_GET_PAUSE((bp), (pg_pri))) #define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(bp, pg_pri)\ @@ -172,7 +182,6 @@ struct pg_help_data { /* forward DCB/PFC related declarations */ struct bnx2x; -void bnx2x_dcb_init_intmem_pfc(struct bnx2x *bp); void bnx2x_dcbx_update(struct work_struct *work); void bnx2x_dcbx_init_params(struct bnx2x *bp); void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled); |