Type Alias mss_mac_queue_t 

pub type mss_mac_queue_t = mss_mac_queue;

//** Per queue specific info for device management structure.

This structure instantiates the queue specific information for managing the MSS Ethernet MAC driver.

Aliased Type

#[repr(C)]
pub struct mss_mac_queue_t {

    pub tx_desc_tab: [mss_mac_tx_desc; 16],
    pub rx_desc_tab: [mss_mac_rx_desc; 64],
    pub tx_caller_info: [*mut c_void; 16],
    pub rx_caller_info: [*mut c_void; 64],
    pub pckt_tx_callback: Option<unsafe extern "C" fn(*mut c_void, u32, *mut mss_mac_tx_desc, *mut c_void)>,
    pub pckt_rx_callback: Option<unsafe extern "C" fn(*mut c_void, u32, *mut u8, u32, *mut mss_mac_rx_desc, *mut c_void)>,
    pub nb_available_tx_desc: u32,
    pub current_tx_desc: u32,
    pub nb_available_rx_desc: u32,
    pub next_free_rx_desc_index: u32,
    pub first_rx_desc_index: u32,
    pub rx_discard: u32,
    pub overflow_counter: u32,
    pub tries: u32,
    pub in_isr: i32,
    pub int_status: *mut u32,
    pub int_mask: *mut u32,
    pub int_enable: *mut u32,
    pub int_disable: *mut u32,
    pub receive_q_ptr: *mut u32,
    pub transmit_q_ptr: *mut u32,
    pub dma_rxbuf_size: *mut u32,
    pub ingress: u64,
    pub egress: u64,
    pub rx_overflow: u64,
    pub hresp_error: u64,
    pub rx_restart: u64,
    pub tx_amba_errors: u64,
    pub tx_restart: u64,
    pub tx_reenable: u64,
}

Fields

tx_desc_tab: [mss_mac_tx_desc; 16]

< Transmit descriptor table

rx_desc_tab: [mss_mac_rx_desc; 64]

< Receive descriptor table

tx_caller_info: [*mut c_void; 16]

< Pointers to tx user specific data

rx_caller_info: [*mut c_void; 64]

< Pointers to rx user specific data

pckt_tx_callback: Option<unsafe extern "C" fn(*mut c_void, u32, *mut mss_mac_tx_desc, *mut c_void)>

< Pointer to transmit handler call back function

pckt_rx_callback: Option<unsafe extern "C" fn(*mut c_void, u32, *mut u8, u32, *mut mss_mac_rx_desc, *mut c_void)>

< Pointer to receive handler call back function

nb_available_tx_desc: u32

< Number of free TX descriptors available

current_tx_desc: u32

< Oldest in the queue…

nb_available_rx_desc: u32

< Number of free RX descriptors available

next_free_rx_desc_index: u32

< Next RX descriptor to allocate

first_rx_desc_index: u32

< Descriptor to process next when receive handler called

rx_discard: u32

< If set, silently discard incoming packets

overflow_counter: u32

< Overflows since last normal receive operation

tries: u32

< Keeps track of failure to sends…

in_isr: i32

< Set when processing ISR so functions don’t call PLIC enable/disable for protection

int_status: *mut u32

< interrupt status

int_mask: *mut u32

< interrupt mask

int_enable: *mut u32

< interrupt enable

int_disable: *mut u32

< interrupt disable

receive_q_ptr: *mut u32

< RX queue pointer

transmit_q_ptr: *mut u32

< TX queue pointer

dma_rxbuf_size: *mut u32

< RX queue buffer size

ingress: u64

< Count of bytes received on this queue

egress: u64

< Count of bytes transmitted on this queue

rx_overflow: u64

< Number of receive overflow events on this queue

hresp_error: u64

< Number of receive hresp error events on this queue

rx_restart: u64

< Number of times reception has been restarted on this queue

tx_amba_errors: u64

< Number of receive amba error events on this queue

tx_restart: u64

< Number of times transmission has been restarted on this queue

tx_reenable: u64

< Number of times transmission has been reenabled on this queue