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path: root/drivers/net/ixgbe/ixgbe_dcb.h
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb.h')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb.h54
1 files changed, 27 insertions, 27 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h
index 0da5c6d5bca..64a9fa15c05 100644
--- a/drivers/net/ixgbe/ixgbe_dcb.h
+++ b/drivers/net/ixgbe/ixgbe_dcb.h
@@ -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;