diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb.h')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_dcb.h | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h index 75f6efe1e36..64a9fa15c05 100644 --- a/drivers/net/ixgbe/ixgbe_dcb.h +++ b/drivers/net/ixgbe/ixgbe_dcb.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2007 Intel Corporation. + Copyright(c) 1999 - 2009 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -75,6 +75,26 @@ enum strict_prio_type { prio_link }; +/* DCB capability definitions */ +#define IXGBE_DCB_PG_SUPPORT 0x00000001 +#define IXGBE_DCB_PFC_SUPPORT 0x00000002 +#define IXGBE_DCB_BCN_SUPPORT 0x00000004 +#define IXGBE_DCB_UP2TC_SUPPORT 0x00000008 +#define IXGBE_DCB_GSP_SUPPORT 0x00000010 + +#define IXGBE_DCB_8_TC_SUPPORT 0x80 + +struct dcb_support { + /* DCB capabilities */ + u32 capabilities; + + /* Each bit represents a number of TCs configurable in the hw. + * If 8 traffic classes can be configured, the value is 0x80. + */ + u8 traffic_classes; + u8 pfc_traffic_classes; +}; + /* Traffic class bandwidth allocation per direction */ struct tc_bw_alloc { u8 bwg_id; /* Bandwidth Group (BWG) ID */ @@ -108,38 +128,18 @@ enum dcb_rx_pba_cfg { pba_80_48 /* PBA[0-3] each use 80KB, PBA[4-7] each use 48KB */ }; -/* - * This structure contains many values encoded as fixed-point - * numbers, meaning that some of bits are dedicated to the - * magnitude and others to the fraction part. In the comments - * this is shown as f=n, where n is the number of fraction bits. - * These fraction bits are always the low-order bits. The size - * of the magnitude is not specified. - */ -struct bcn_config { - u32 rp_admin_mode[MAX_TRAFFIC_CLASS]; /* BCN enabled, per TC */ - u32 bcna_option[2]; /* BCNA Port + MAC Addr */ - u32 rp_w; /* Derivative Weight, f=3 */ - u32 rp_gi; /* Increase Gain, f=12 */ - u32 rp_gd; /* Decrease Gain, f=12 */ - u32 rp_ru; /* Rate Unit */ - u32 rp_alpha; /* Max Decrease Factor, f=12 */ - u32 rp_beta; /* Max Increase Factor, f=12 */ - u32 rp_ri; /* Initial Rate */ - u32 rp_td; /* Drift Interval Timer */ - u32 rp_rd; /* Drift Increase */ - u32 rp_tmax; /* Severe Congestion Backoff Timer Range */ - u32 rp_rmin; /* Severe Congestion Restart Rate */ - u32 rp_wrtt; /* RTT Moving Average Weight */ +struct dcb_num_tcs { + u8 pg_tcs; + u8 pfc_tcs; }; struct ixgbe_dcb_config { - struct bcn_config bcn; - + struct dcb_support support; + struct dcb_num_tcs num_tcs; struct tc_configuration tc_config[MAX_TRAFFIC_CLASS]; u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */ - - bool round_robin_enable; + bool pfc_mode_enable; + bool round_robin_enable; enum dcb_rx_pba_cfg rx_pba_cfg; |