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path: root/drivers/net/ethernet/meta/fbnic/fbnic_mac.h
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Diffstat (limited to 'drivers/net/ethernet/meta/fbnic/fbnic_mac.h')
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_mac.h41
1 files changed, 30 insertions, 11 deletions
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mac.h b/drivers/net/ethernet/meta/fbnic/fbnic_mac.h
index ede5ff0dae22..f08fe8b7c497 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_mac.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_mac.h
@@ -10,6 +10,24 @@ struct fbnic_dev;
#define FBNIC_MAX_JUMBO_FRAME_SIZE 9742
+/* States loosely based on section 136.8.11.7.5 of IEEE 802.3-2022 Ethernet
+ * Standard. These are needed to track the state of the PHY as it has a delay
+ * of several seconds from the time link comes up until it has completed
+ * training that we need to wait to report the link.
+ *
+ * Currently we treat training as a single block as this is managed by the
+ * firmware.
+ *
+ * We have FBNIC_PMD_SEND_DATA set to 0 as the expected default at driver load
+ * and we initialize the structure containing it to zero at allocation.
+ */
+enum {
+ FBNIC_PMD_SEND_DATA = 0x0,
+ FBNIC_PMD_INITIALIZE = 0x1,
+ FBNIC_PMD_TRAINING = 0x2,
+ FBNIC_PMD_LINK_READY = 0x3,
+};
+
enum {
FBNIC_LINK_EVENT_NONE = 0,
FBNIC_LINK_EVENT_UP = 1,
@@ -38,6 +56,7 @@ enum {
FBNIC_AUI_50GAUI1 = 2, /* 53.125GBd 53.125 * 1 */
FBNIC_AUI_100GAUI2 = 3, /* 106.25GBd 53.125 * 2 */
FBNIC_AUI_UNKNOWN = 4,
+ __FBNIC_AUI_MAX__
};
#define FBNIC_AUI_MODE_R2 (FBNIC_AUI_LAUI2)
@@ -55,15 +74,15 @@ enum fbnic_sensor_id {
* void (*init_regs)(struct fbnic_dev *fbd);
* Initialize MAC registers to enable Tx/Rx paths and FIFOs.
*
- * void (*pcs_enable)(struct fbnic_dev *fbd);
- * Configure and enable PCS to enable link if not already enabled
- * void (*pcs_disable)(struct fbnic_dev *fbd);
- * Shutdown the link if we are the only consumer of it.
- * bool (*pcs_get_link)(struct fbnic_dev *fbd);
- * Check PCS link status
- * int (*pcs_get_link_event)(struct fbnic_dev *fbd)
+ * int (*get_link_event)(struct fbnic_dev *fbd)
* Get the current link event status, reports true if link has
* changed to either FBNIC_LINK_EVENT_DOWN or FBNIC_LINK_EVENT_UP
+ * bool (*get_link)(struct fbnic_dev *fbd, u8 aui, u8 fec);
+ * Check link status
+ *
+ * void (*prepare)(struct fbnic_dev *fbd, u8 aui, u8 fec);
+ * Prepare PHY for init by fetching settings, disabling interrupts,
+ * and sending an updated PHY config to FW if needed.
*
* void (*link_down)(struct fbnic_dev *fbd);
* Configure MAC for link down event
@@ -74,10 +93,10 @@ enum fbnic_sensor_id {
struct fbnic_mac {
void (*init_regs)(struct fbnic_dev *fbd);
- int (*pcs_enable)(struct fbnic_dev *fbd);
- void (*pcs_disable)(struct fbnic_dev *fbd);
- bool (*pcs_get_link)(struct fbnic_dev *fbd);
- int (*pcs_get_link_event)(struct fbnic_dev *fbd);
+ int (*get_link_event)(struct fbnic_dev *fbd);
+ bool (*get_link)(struct fbnic_dev *fbd, u8 aui, u8 fec);
+
+ void (*prepare)(struct fbnic_dev *fbd, u8 aui, u8 fec);
void (*get_fec_stats)(struct fbnic_dev *fbd, bool reset,
struct fbnic_fec_stats *fec_stats);