net/sfc/base: support different event descriptor sizes

[dpdk.git] / drivers / net / sfc / base / efx.h

diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 101bb4c..43de0a8 100644 (file)
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -1284,6 +1284,7 @@ typedef struct efx_nic_cfg_s {
        uint32_t                enc_evq_timer_quantum_ns;
        uint32_t                enc_evq_timer_max_us;
        uint32_t                enc_clk_mult;
+       uint32_t                enc_ev_desc_size;
        uint32_t                enc_rx_desc_size;
        uint32_t                enc_tx_desc_size;
        uint32_t                enc_rx_prefix_size;
@@ -1987,9 +1988,28 @@ efx_ev_fini(
 #define        EFX_EVQ_MAXNEVS         32768
 #define        EFX_EVQ_MINNEVS         512
 
+/*
+ * This macro is deprecated and will be removed.
+ * Use the function efx_evq_size() instead.
+ */
 #define        EFX_EVQ_SIZE(_nevs)     ((_nevs) * sizeof (efx_qword_t))
+
+/*
+ * This macro is deprecated and will be removed.
+ * Use the function efx_evq_nbufs() instead.
+ */
 #define        EFX_EVQ_NBUFS(_nevs)    (EFX_EVQ_SIZE(_nevs) / EFX_BUF_SIZE)
 
+extern __checkReturn   size_t
+efx_evq_size(
+       __in    const efx_nic_t *enp,
+       __in    unsigned int ndescs);
+
+extern __checkReturn   unsigned int
+efx_evq_nbufs(
+       __in    const efx_nic_t *enp,
+       __in    unsigned int ndescs);
+
 #define        EFX_EVQ_FLAGS_TYPE_MASK         (0x3)
 #define        EFX_EVQ_FLAGS_TYPE_AUTO         (0x0)
 #define        EFX_EVQ_FLAGS_TYPE_THROUGHPUT   (0x1)