diff options
| author |   Lendacky, Thomas <Thomas.Lendacky@amd.com> | 2014-07-29 08:57:55 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-07-30 18:46:53 -0700 |
| commit | fca2d99428473884e67ef8ea1586e58151ed6ac3 (patch) | |
| tree | e6bcfb2af38d8f8a7eabbbaaef6e5f004bd67dd6 /drivers/net/ethernet/amd/xgbe/xgbe.h | |
| parent | amd-xgbe-phy: Print out the auto-negotiation method used (diff) | |
| download | linux-dev-fca2d99428473884e67ef8ea1586e58151ed6ac3.tar.xz linux-dev-fca2d99428473884e67ef8ea1586e58151ed6ac3.zip | |
amd-xgbe: Add traffic class support
This patch adds support for traffic classes as well as support
for Data Center Bridging interfaces related to traffic classes
and priority flow control.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index f011d88d2211..07bf70a82908 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -126,6 +126,7 @@ #include <linux/ptp_clock_kernel.h> #include <linux/clocksource.h> #include <linux/net_tstamp.h> +#include <net/dcbnl.h> #define XGBE_DRV_NAME "amd-xgbe" @@ -144,6 +145,7 @@ #define XGBE_RX_BUF_ALIGN 64 #define XGBE_MAX_DMA_CHANNELS 16 +#define XGBE_MAX_QUEUES 16 /* DMA cache settings - Outer sharable, write-back, write-allocate */ #define XGBE_DMA_OS_AXDOMAIN 0x2 @@ -184,7 +186,7 @@ #define XGBE_FIFO_SIZE_B(x) (x) #define XGBE_FIFO_SIZE_KB(x) (x * 1024) -#define XGBE_TC_CNT 2 +#define XGBE_TC_MIN_QUANTUM 10 /* Helper macro for descriptor handling * Always use XGBE_GET_DESC_DATA to access the descriptor data @@ -504,6 +506,10 @@ struct xgbe_hw_if { unsigned int nsec); u64 (*get_tstamp_time)(struct xgbe_prv_data *); u64 (*get_tx_tstamp)(struct xgbe_prv_data *); + + /* For Data Center Bridging config */ + void (*config_dcb_tc)(struct xgbe_prv_data *); + void (*config_dcb_pfc)(struct xgbe_prv_data *); }; struct xgbe_desc_if { @@ -545,6 +551,7 @@ struct xgbe_hw_features { unsigned int tso; /* TCP Segmentation Offload */ unsigned int dma_debug; /* DMA Debug Registers */ unsigned int rss; /* Receive Side Scaling */ + unsigned int tc_cnt; /* Number of Traffic Classes */ unsigned int hash_table_size; /* Hash Table Size */ unsigned int l3l4_filter_num; /* Number of L3-L4 Filters */ @@ -663,6 +670,12 @@ struct xgbe_prv_data { struct sk_buff *tx_tstamp_skb; u64 tx_tstamp; + /* DCB support */ + struct ieee_ets *ets; + struct ieee_pfc *pfc; + unsigned int q2tc_map[XGBE_MAX_QUEUES]; + unsigned int prio2q_map[IEEE_8021QAZ_MAX_TCS]; + /* Hardware features of the device */ struct xgbe_hw_features hw_feat; @@ -688,6 +701,9 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *); void xgbe_init_function_ptrs_desc(struct xgbe_desc_if *); struct net_device_ops *xgbe_get_netdev_ops(void); struct ethtool_ops *xgbe_get_ethtool_ops(void); +#ifdef CONFIG_AMD_XGBE_DCB +const struct dcbnl_rtnl_ops *xgbe_get_dcbnl_ops(void); +#endif int xgbe_mdio_register(struct xgbe_prv_data *); void xgbe_mdio_unregister(struct xgbe_prv_data *); |