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47 * Interface to the GMX hardware.
49 * <hr>$Revision: 41586 $<hr>
52 #ifndef __CVMX_GMX_H__
53 #define __CVMX_GMX_H__
59 /* CSR typedefs have been moved to cvmx-csr-*.h */
62 * Disables the sending of flow control (pause) frames on the specified
65 * @param interface Which interface (0 or 1)
66 * @param port_mask Mask (4bits) of which ports on the interface to disable
68 * 1 => disable backpressure
69 * 0 => enable backpressure
71 * @return 0 on success
75 static inline int cvmx_gmx_set_backpressure_override(uint32_t interface, uint32_t port_mask)
77 cvmx_gmxx_tx_ovr_bp_t gmxx_tx_ovr_bp;
78 /* Check for valid arguments */
79 if (port_mask & ~0xf || interface & ~0x1)
81 gmxx_tx_ovr_bp.u64 = 0;
82 gmxx_tx_ovr_bp.s.en = port_mask; /* Per port Enable back pressure override */
83 gmxx_tx_ovr_bp.s.ign_full = port_mask; /* Ignore the RX FIFO full when computing BP */
84 cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmxx_tx_ovr_bp.u64);