1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2014-2017 Chelsio Communications. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Chelsio Communications nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _CXGBE_H_ 35 #define _CXGBE_H_ 36 37 #include "common.h" 38 #include "t4_regs.h" 39 40 #define CXGBE_MIN_RING_DESC_SIZE 128 /* Min TX/RX descriptor ring size */ 41 #define CXGBE_MAX_RING_DESC_SIZE 4096 /* Max TX/RX descriptor ring size */ 42 43 #define CXGBE_DEFAULT_TX_DESC_SIZE 1024 /* Default TX ring size */ 44 #define CXGBE_DEFAULT_RX_DESC_SIZE 1024 /* Default RX ring size */ 45 46 #define CXGBE_MIN_RX_BUFSIZE ETHER_MIN_MTU /* min buf size */ 47 #define CXGBE_MAX_RX_PKTLEN (9000 + ETHER_HDR_LEN + ETHER_CRC_LEN) /* max pkt */ 48 49 int cxgbe_probe(struct adapter *adapter); 50 void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps); 51 int cxgbe_up(struct adapter *adap); 52 int cxgbe_down(struct port_info *pi); 53 void cxgbe_close(struct adapter *adapter); 54 void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats); 55 void cxgbe_stats_reset(struct port_info *pi); 56 int link_start(struct port_info *pi); 57 void init_rspq(struct adapter *adap, struct sge_rspq *q, unsigned int us, 58 unsigned int cnt, unsigned int size, unsigned int iqe_size); 59 int setup_sge_fwevtq(struct adapter *adapter); 60 void cfg_queues(struct rte_eth_dev *eth_dev); 61 int cfg_queue_count(struct rte_eth_dev *eth_dev); 62 int setup_rss(struct port_info *pi); 63 void cxgbe_enable_rx_queues(struct port_info *pi); 64 65 #endif /* _CXGBE_H_ */ 66