@@ -13,103 +13,169 @@
#include <rte_memcpy.h>
#include <rte_rawdev.h>
+/**
+ * @file rte_pmd_bphy.h
+ *
+ * Marvell CGX and BPHY PMD specific structures and interface
+ *
+ * This API allows applications to manage BPHY memory in user space along with
+ * installing interrupt handlers for low latency signal processing.
+ */
+
#ifdef __cplusplus
extern "C" {
#endif
+/** Available message types */
enum cnxk_bphy_cgx_msg_type {
+ /** Type used to obtain link information */
CNXK_BPHY_CGX_MSG_TYPE_GET_LINKINFO,
+ /** Type used to disable internal loopback */
CNXK_BPHY_CGX_MSG_TYPE_INTLBK_DISABLE,
+ /** Type used to enable loopback */
CNXK_BPHY_CGX_MSG_TYPE_INTLBK_ENABLE,
+ /** Type used to disable PTP on RX */
CNXK_BPHY_CGX_MSG_TYPE_PTP_RX_DISABLE,
+ /** Type used to enable PTP on RX */
CNXK_BPHY_CGX_MSG_TYPE_PTP_RX_ENABLE,
+ /** Type used to set link mode */
CNXK_BPHY_CGX_MSG_TYPE_SET_LINK_MODE,
+ /** Type used to set link state */
CNXK_BPHY_CGX_MSG_TYPE_SET_LINK_STATE,
+ /** Type used to start transmission and packet reception */
CNXK_BPHY_CGX_MSG_TYPE_START_RXTX,
+ /** Type used to stop transmission and packet reception */
CNXK_BPHY_CGX_MSG_TYPE_STOP_RXTX,
+ /** Type used to obtain supported FEC */
CNXK_BPHY_CGX_MSG_TYPE_GET_SUPPORTED_FEC,
+ /** Type used to set FEC */
CNXK_BPHY_CGX_MSG_TYPE_SET_FEC,
};
+/** Available link speeds */
enum cnxk_bphy_cgx_eth_link_speed {
- CNXK_BPHY_CGX_ETH_LINK_SPEED_NONE,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_10M,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_100M,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_1G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_2HG,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_5G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_10G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_20G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_25G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_40G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_50G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_80G,
- CNXK_BPHY_CGX_ETH_LINK_SPEED_100G,
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_NONE, /**< None */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_10M, /**< 10 Mbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_100M, /**< 100 Mbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_1G, /**< 1 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_2HG, /**< 2.5 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_5G, /**< 5 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_10G, /**< 10 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_20G, /**< 20 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_25G, /**< 25 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_40G, /**< 40 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_50G, /**< 50 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_80G, /**< 80 Gbps */
+ CNXK_BPHY_CGX_ETH_LINK_SPEED_100G, /**< 100 Gbps */
__CNXK_BPHY_CGX_ETH_LINK_SPEED_MAX
};
+/** Available FEC modes */
enum cnxk_bphy_cgx_eth_link_fec {
+ /** Disable FEC */
CNXK_BPHY_CGX_ETH_LINK_FEC_NONE,
+ /** Base FEC (IEEE 802.3 CLause 74) */
CNXK_BPHY_CGX_ETH_LINK_FEC_BASE_R,
+ /** Reed-Solomon FEC */
CNXK_BPHY_CGX_ETH_LINK_FEC_RS,
__CNXK_BPHY_CGX_ETH_LINK_FEC_MAX
};
+/** Available link modes */
enum cnxk_bphy_cgx_eth_link_mode {
+ /** SGMII */
CNXK_BPHY_CGX_ETH_LINK_MODE_SGMII_BIT,
+ /** 1000BASE-X */
CNXK_BPHY_CGX_ETH_LINK_MODE_1000_BASEX_BIT,
+ /** QSGMII */
CNXK_BPHY_CGX_ETH_LINK_MODE_QSGMII_BIT,
+ /** 10GBASE-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_10G_C2C_BIT,
+ /** 10GBASE-C2M */
CNXK_BPHY_CGX_ETH_LINK_MODE_10G_C2M_BIT,
+ /** 10GBASE-KR */
CNXK_BPHY_CGX_ETH_LINK_MODE_10G_KR_BIT,
+ /** 20GBASE-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_20G_C2C_BIT,
+ /** 25GBASE-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_25G_C2C_BIT,
+ /** 25GBASE-C2M */
CNXK_BPHY_CGX_ETH_LINK_MODE_25G_C2M_BIT,
+ /** 25GBASE-2-C2M */
CNXK_BPHY_CGX_ETH_LINK_MODE_25G_2_C2C_BIT,
+ /** 25GBASE-CR */
CNXK_BPHY_CGX_ETH_LINK_MODE_25G_CR_BIT,
+ /** 25GBASE-KR */
CNXK_BPHY_CGX_ETH_LINK_MODE_25G_KR_BIT,
+ /** 40GBASE-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_40G_C2C_BIT,
+ /** 40GBASE-C2M */
CNXK_BPHY_CGX_ETH_LINK_MODE_40G_C2M_BIT,
+ /** 40GBASE-CR4 */
CNXK_BPHY_CGX_ETH_LINK_MODE_40G_CR4_BIT,
+ /** 40GBASE-KR4 */
CNXK_BPHY_CGX_ETH_LINK_MODE_40G_KR4_BIT,
+ /** 40GAUI-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_40GAUI_C2C_BIT,
+ /** 50GBASE-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_50G_C2C_BIT,
+ /** 50GBASE-C2M */
CNXK_BPHY_CGX_ETH_LINK_MODE_50G_C2M_BIT,
+ /** 50GBASE-4-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_50G_4_C2C_BIT,
+ /** 50GBASE-CR */
CNXK_BPHY_CGX_ETH_LINK_MODE_50G_CR_BIT,
+ /** 50GBASE-KR */
CNXK_BPHY_CGX_ETH_LINK_MODE_50G_KR_BIT,
+ /** 80GAUI-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_80GAUI_C2C_BIT,
+ /** 100GBASE-C2C */
CNXK_BPHY_CGX_ETH_LINK_MODE_100G_C2C_BIT,
+ /** 100GBASE-C2M */
CNXK_BPHY_CGX_ETH_LINK_MODE_100G_C2M_BIT,
+ /** 100GBASE-CR4 */
CNXK_BPHY_CGX_ETH_LINK_MODE_100G_CR4_BIT,
+ /** 100GBASE-KR4 */
CNXK_BPHY_CGX_ETH_LINK_MODE_100G_KR4_BIT,
__CNXK_BPHY_CGX_ETH_LINK_MODE_MAX
};
struct cnxk_bphy_cgx_msg_link_mode {
+ /** Setting for full-duplex */
bool full_duplex;
+ /** Setting for automatic link negotiation */
bool autoneg;
+ /** Link speed */
enum cnxk_bphy_cgx_eth_link_speed speed;
+ /** Link mode */
enum cnxk_bphy_cgx_eth_link_mode mode;
};
struct cnxk_bphy_cgx_msg_link_info {
+ /** Link state information */
bool link_up;
+ /** Link full duplex state */
bool full_duplex;
+ /** Link speed */
enum cnxk_bphy_cgx_eth_link_speed speed;
+ /** Link auto-negotiation setting */
bool autoneg;
+ /** FEC mode */
enum cnxk_bphy_cgx_eth_link_fec fec;
+ /** Link configuration */
enum cnxk_bphy_cgx_eth_link_mode mode;
};
struct cnxk_bphy_cgx_msg_set_link_state {
+ /** Defines link state result */
bool state; /* up or down */
};
struct cnxk_bphy_cgx_msg {
+ /** Message type */
enum cnxk_bphy_cgx_msg_type type;
- /*
- * data depends on message type and whether
+ /**
+ * Data depends on message type and whether
* it's a request or a response
*/
void *data;
@@ -117,42 +183,63 @@ struct cnxk_bphy_cgx_msg {
#define CNXK_BPHY_DEF_QUEUE 0
+/**
+ * BPHY interrupt handler
+ *
+ * @param irq_num
+ * Zero-based interrupt number
+ * @param isr_data
+ * Cookie passed to interrupt handler
+ */
typedef void (*cnxk_bphy_intr_handler_t)(int irq_num, void *isr_data);
struct cnxk_bphy_mem {
+ /** Memory for BAR0 */
struct rte_mem_resource res0;
+ /** Memory for BAR2 */
struct rte_mem_resource res2;
};
+/** Available IRQ configuration commands */
enum cnxk_bphy_irq_msg_type {
+ /** Type used to initialize interrupts */
CNXK_BPHY_IRQ_MSG_TYPE_INIT,
+ /** Type used to deinitialize interrupts */
CNXK_BPHY_IRQ_MSG_TYPE_FINI,
+ /** Type used to register interrupt */
CNXK_BPHY_IRQ_MSG_TYPE_REGISTER,
+ /** Type used to unregister interrupt */
CNXK_BPHY_IRQ_MSG_TYPE_UNREGISTER,
+ /** Type used to retrieve BPHY memory */
CNXK_BPHY_IRQ_MSG_TYPE_MEM_GET,
+ /** Type used to retrieve NPA PF function */
CNXK_BPHY_MSG_TYPE_NPA_PF_FUNC,
+ /** Type used to retrieve NPA SSO function */
CNXK_BPHY_MSG_TYPE_SSO_PF_FUNC,
};
struct cnxk_bphy_irq_msg {
+ /** Message command type */
enum cnxk_bphy_irq_msg_type type;
- /*
- * The data field, depending on message type, may point to
- * - (enq) full struct cnxk_bphy_irq_info for registration request
- * - (enq) struct cnxk_bphy_irq_info with irq_num set for unregistration
- * - (deq) struct cnxk_bphy_mem for memory range request response
- * - (xxx) NULL
+ /**
+ * Data depends on message type and whether
+ * it is a request or a response
*/
void *data;
};
struct cnxk_bphy_irq_info {
+ /** Interrupt number */
int irq_num;
+ /** Interrupt handler */
cnxk_bphy_intr_handler_t handler;
+ /** Interrupt handler cookie */
void *data;
+ /** CPU zero-based number for interrupt execution */
int cpu;
};
+/** @internal helper routine for enqueuing/dequeuing messages */
static __rte_always_inline int
__rte_pmd_bphy_enq_deq(uint16_t dev_id, unsigned int queue, void *req,
void *rsp, size_t rsp_size)
@@ -187,6 +274,15 @@ __rte_pmd_bphy_enq_deq(uint16_t dev_id, unsigned int queue, void *req,
return 0;
}
+/**
+ * Initialize BPHY subsystem
+ *
+ * @param dev_id
+ * The identifier of the device
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_intr_init(uint16_t dev_id)
{
@@ -198,6 +294,15 @@ rte_pmd_bphy_intr_init(uint16_t dev_id)
NULL, 0);
}
+/**
+ * Deinitialize BPHY subsystem
+ *
+ * @param dev_id
+ * The identifier of the device
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_intr_fini(uint16_t dev_id)
{
@@ -209,6 +314,23 @@ rte_pmd_bphy_intr_fini(uint16_t dev_id)
NULL, 0);
}
+/**
+ * Register BPHY interrupt handler
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param irq_num
+ * Zero-based interrupt number
+ * @param handler
+ * Interrupt handler to be executed
+ * @param data
+ * Data to be passed to interrupt handler
+ * @param cpu
+ * CPU number which will be handling interrupt
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_intr_register(uint16_t dev_id, int irq_num,
cnxk_bphy_intr_handler_t handler, void *data,
@@ -229,6 +351,17 @@ rte_pmd_bphy_intr_register(uint16_t dev_id, int irq_num,
NULL, 0);
}
+/**
+ * Unregister BPHY interrupt handler
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param irq_num
+ * Zero-based interrupt number used during registration
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_intr_unregister(uint16_t dev_id, int irq_num)
{
@@ -244,6 +377,17 @@ rte_pmd_bphy_intr_unregister(uint16_t dev_id, int irq_num)
NULL, 0);
}
+/**
+ * Obtain BPHY memory
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param mem
+ * Memory structure which will be filled for memory access
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_intr_mem_get(uint16_t dev_id, struct cnxk_bphy_mem *mem)
{
@@ -255,6 +399,17 @@ rte_pmd_bphy_intr_mem_get(uint16_t dev_id, struct cnxk_bphy_mem *mem)
mem, sizeof(*mem));
}
+/**
+ * Obtain NPA PF func
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param pf_func
+ * NPA PF function to obtain
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_npa_pf_func_get(uint16_t dev_id, uint16_t *pf_func)
{
@@ -266,6 +421,17 @@ rte_pmd_bphy_npa_pf_func_get(uint16_t dev_id, uint16_t *pf_func)
pf_func, sizeof(*pf_func));
}
+/**
+ * Obtain SSO PF func
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param pf_func
+ * SSO PF function to obtain
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_sso_pf_func_get(uint16_t dev_id, uint16_t *pf_func)
{
@@ -277,6 +443,19 @@ rte_pmd_bphy_sso_pf_func_get(uint16_t dev_id, uint16_t *pf_func)
pf_func, sizeof(*pf_func));
}
+/**
+ * Obtain link information
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ * @param info
+ * Link information structure
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_get_link_info(uint16_t dev_id, uint16_t lmac,
struct cnxk_bphy_cgx_msg_link_info *info)
@@ -288,6 +467,17 @@ rte_pmd_bphy_cgx_get_link_info(uint16_t dev_id, uint16_t lmac,
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, info, sizeof(*info));
}
+/**
+ * Disable loopback mode for an interface
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_intlbk_disable(uint16_t dev_id, uint16_t lmac)
{
@@ -298,6 +488,17 @@ rte_pmd_bphy_cgx_intlbk_disable(uint16_t dev_id, uint16_t lmac)
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Enable loopback mode for an interface
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_intlbk_enable(uint16_t dev_id, uint16_t lmac)
{
@@ -308,6 +509,17 @@ rte_pmd_bphy_cgx_intlbk_enable(uint16_t dev_id, uint16_t lmac)
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Disable PTP on RX path
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_ptp_rx_disable(uint16_t dev_id, uint16_t lmac)
{
@@ -318,6 +530,17 @@ rte_pmd_bphy_cgx_ptp_rx_disable(uint16_t dev_id, uint16_t lmac)
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Enable PTP on RX path
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_ptp_rx_enable(uint16_t dev_id, uint16_t lmac)
{
@@ -328,6 +551,19 @@ rte_pmd_bphy_cgx_ptp_rx_enable(uint16_t dev_id, uint16_t lmac)
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Set link mode for a CGX
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ * @param mode
+ * Link mode to set
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_set_link_mode(uint16_t dev_id, uint16_t lmac,
struct cnxk_bphy_cgx_msg_link_mode *mode)
@@ -340,6 +576,19 @@ rte_pmd_bphy_cgx_set_link_mode(uint16_t dev_id, uint16_t lmac,
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Set link state for a CGX
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ * @param up
+ * Link state to set
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_set_link_state(uint16_t dev_id, uint16_t lmac, bool up)
{
@@ -354,6 +603,17 @@ rte_pmd_bphy_cgx_set_link_state(uint16_t dev_id, uint16_t lmac, bool up)
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Start CGX
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_start_rxtx(uint16_t dev_id, uint16_t lmac)
{
@@ -364,6 +624,17 @@ rte_pmd_bphy_cgx_start_rxtx(uint16_t dev_id, uint16_t lmac)
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Stop CGX
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_stop_rxtx(uint16_t dev_id, uint16_t lmac)
{
@@ -374,6 +645,19 @@ rte_pmd_bphy_cgx_stop_rxtx(uint16_t dev_id, uint16_t lmac)
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, NULL, 0);
}
+/**
+ * Get supported list FEC mode
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ * @param fec
+ * FEC structure which holds information
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_get_supported_fec(uint16_t dev_id, uint16_t lmac,
enum cnxk_bphy_cgx_eth_link_fec *fec)
@@ -385,6 +669,19 @@ rte_pmd_bphy_cgx_get_supported_fec(uint16_t dev_id, uint16_t lmac,
return __rte_pmd_bphy_enq_deq(dev_id, lmac, &msg, fec, sizeof(*fec));
}
+/**
+ * Set FEC mode for a device
+ *
+ * @param dev_id
+ * The identifier of the device
+ * @param lmac
+ * LMAC number for operation
+ * @param fec
+ * FEC structure which holds information to set
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
static __rte_always_inline int
rte_pmd_bphy_cgx_set_fec(uint16_t dev_id, uint16_t lmac,
enum cnxk_bphy_cgx_eth_link_fec fec)