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49 * Interface to the GMX hardware.
51 * <hr>$Revision: 70030 $<hr>
54 #ifndef __CVMX_GMX_H__
55 #define __CVMX_GMX_H__
61 /* CSR typedefs have been moved to cvmx-gmx-defs.h */
64 * Disables the sending of flow control (pause) frames on the specified
67 * @param interface Which interface (0 or 1)
68 * @param port_mask Mask (4bits) of which ports on the interface to disable
70 * 1 => disable backpressure
71 * 0 => enable backpressure
73 * @return 0 on success
77 static inline int cvmx_gmx_set_backpressure_override(uint32_t interface, uint32_t port_mask)
79 cvmx_gmxx_tx_ovr_bp_t gmxx_tx_ovr_bp;
80 /* Check for valid arguments */
81 if (port_mask & ~0xf || interface & ~0x1)
83 gmxx_tx_ovr_bp.u64 = 0;
84 gmxx_tx_ovr_bp.s.en = port_mask; /* Per port Enable back pressure override */
85 gmxx_tx_ovr_bp.s.ign_full = port_mask; /* Ignore the RX FIFO full when computing BP */
86 cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmxx_tx_ovr_bp.u64);