net/ngbe: support flow control

[dpdk.git] / drivers / net / ngbe / base / ngbe_mbx.h

diff --git a/drivers/net/ngbe/base/ngbe_mbx.h b/drivers/net/ngbe/base/ngbe_mbx.h
index d280945..d47da27 100644 (file)
--- a/drivers/net/ngbe/base/ngbe_mbx.h
+++ b/drivers/net/ngbe/base/ngbe_mbx.h
@@ -6,6 +6,84 @@
 #ifndef _NGBE_MBX_H_
 #define _NGBE_MBX_H_
 
+#define NGBE_ERR_MBX           -100
+
+/* If it's a NGBE_VF_* msg then it originates in the VF and is sent to the
+ * PF.  The reverse is true if it is NGBE_PF_*.
+ * Message ACK's are the value or'd with 0xF0000000
+ */
+/* Messages below or'd with this are the ACK */
+#define NGBE_VT_MSGTYPE_ACK    0x80000000
+/* Messages below or'd with this are the NACK */
+#define NGBE_VT_MSGTYPE_NACK   0x40000000
+/* Indicates that VF is still clear to send requests */
+#define NGBE_VT_MSGTYPE_CTS    0x20000000
+
+#define NGBE_VT_MSGINFO_SHIFT  16
+/* bits 23:16 are used for extra info for certain messages */
+#define NGBE_VT_MSGINFO_MASK   (0xFF << NGBE_VT_MSGINFO_SHIFT)
+
+/*
+ * each element denotes a version of the API; existing numbers may not
+ * change; any additions must go at the end
+ */
+enum ngbe_pfvf_api_rev {
+       ngbe_mbox_api_null,
+       ngbe_mbox_api_10,       /* API version 1.0, linux/freebsd VF driver */
+       ngbe_mbox_api_11,       /* API version 1.1, linux/freebsd VF driver */
+       ngbe_mbox_api_12,       /* API version 1.2, linux/freebsd VF driver */
+       ngbe_mbox_api_13,       /* API version 1.3, linux/freebsd VF driver */
+       ngbe_mbox_api_20,       /* API version 2.0, solaris Phase1 VF driver */
+       /* This value should always be last */
+       ngbe_mbox_api_unknown,  /* indicates that API version is not known */
+};
+
+/* mailbox API, legacy requests */
+#define NGBE_VF_RESET          0x01 /* VF requests reset */
+#define NGBE_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
+#define NGBE_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
+#define NGBE_VF_SET_VLAN       0x04 /* VF requests PF to set VLAN */
+
+/* mailbox API, version 1.0 VF requests */
+#define NGBE_VF_SET_LPE        0x05 /* VF requests PF to set VMOLR.LPE */
+#define NGBE_VF_SET_MACVLAN    0x06 /* VF requests PF for unicast filter */
+#define NGBE_VF_API_NEGOTIATE  0x08 /* negotiate API version */
+
+/* mailbox API, version 1.1 VF requests */
+#define NGBE_VF_GET_QUEUES     0x09 /* get queue configuration */
+
+/* mailbox API, version 1.2 VF requests */
+#define NGBE_VF_GET_RETA      0x0a    /* VF request for RETA */
+#define NGBE_VF_GET_RSS_KEY    0x0b    /* get RSS key */
+#define NGBE_VF_UPDATE_XCAST_MODE      0x0c
+
+/* mode choices for NGBE_VF_UPDATE_XCAST_MODE */
+enum ngbevf_xcast_modes {
+       NGBEVF_XCAST_MODE_NONE = 0,
+       NGBEVF_XCAST_MODE_MULTI,
+       NGBEVF_XCAST_MODE_ALLMULTI,
+       NGBEVF_XCAST_MODE_PROMISC,
+};
+
+/* GET_QUEUES return data indices within the mailbox */
+#define NGBE_VF_TX_QUEUES      1       /* number of Tx queues supported */
+#define NGBE_VF_RX_QUEUES      2       /* number of Rx queues supported */
+#define NGBE_VF_TRANS_VLAN     3       /* Indication of port vlan */
+#define NGBE_VF_DEF_QUEUE      4       /* Default queue offset */
+
+/* length of permanent address message returned from PF */
+#define NGBE_VF_PERMADDR_MSG_LEN       4
+s32 ngbe_read_mbx(struct ngbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
+s32 ngbe_write_mbx(struct ngbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
+s32 ngbe_check_for_msg(struct ngbe_hw *hw, u16 mbx_id);
+s32 ngbe_check_for_ack(struct ngbe_hw *hw, u16 mbx_id);
+s32 ngbe_check_for_rst(struct ngbe_hw *hw, u16 mbx_id);
 void ngbe_init_mbx_params_pf(struct ngbe_hw *hw);
 
+s32 ngbe_read_mbx_pf(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number);
+s32 ngbe_write_mbx_pf(struct ngbe_hw *hw, u32 *msg, u16 size, u16 vf_number);
+s32 ngbe_check_for_msg_pf(struct ngbe_hw *hw, u16 vf_number);
+s32 ngbe_check_for_ack_pf(struct ngbe_hw *hw, u16 vf_number);
+s32 ngbe_check_for_rst_pf(struct ngbe_hw *hw, u16 vf_number);
+
 #endif /* _NGBE_MBX_H_ */