1 /***************************************************************************** 2 * * 3 * File: sge.h * 4 * $Revision: 1.11 $ * 5 * $Date: 2005/06/21 22:10:55 $ * 6 * Description: * 7 * part of the Chelsio 10Gb Ethernet Driver. * 8 * * 9 * This program is free software; you can redistribute it and/or modify * 10 * it under the terms of the GNU General Public License, version 2, as * 11 * published by the Free Software Foundation. * 12 * * 13 * You should have received a copy of the GNU General Public License along * 14 * with this program; if not, see <http://www.gnu.org/licenses/>. * 15 * * 16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * 17 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * 19 * * 20 * http://www.chelsio.com * 21 * * 22 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * 23 * All rights reserved. * 24 * * 25 * Maintainers: maintainers@chelsio.com * 26 * * 27 * Authors: Dimitrios Michailidis <dm@chelsio.com> * 28 * Tina Yang <tainay@chelsio.com> * 29 * Felix Marti <felix@chelsio.com> * 30 * Scott Bardone <sbardone@chelsio.com> * 31 * Kurt Ottaway <kottaway@chelsio.com> * 32 * Frank DiMambro <frank@chelsio.com> * 33 * * 34 * History: * 35 * * 36 ****************************************************************************/ 37 38 #ifndef _CXGB_SGE_H_ 39 #define _CXGB_SGE_H_ 40 41 #include <linux/types.h> 42 #include <linux/interrupt.h> 43 #include <asm/byteorder.h> 44 45 struct sge_intr_counts { 46 unsigned int rx_drops; /* # of packets dropped due to no mem */ 47 unsigned int pure_rsps; /* # of non-payload responses */ 48 unsigned int unhandled_irqs; /* # of unhandled interrupts */ 49 unsigned int respQ_empty; /* # times respQ empty */ 50 unsigned int respQ_overflow; /* # respQ overflow (fatal) */ 51 unsigned int freelistQ_empty; /* # times freelist empty */ 52 unsigned int pkt_too_big; /* packet too large (fatal) */ 53 unsigned int pkt_mismatch; 54 unsigned int cmdQ_full[3]; /* not HW IRQ, host cmdQ[] full */ 55 unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */ 56 }; 57 58 struct sge_port_stats { 59 u64 rx_cso_good; /* # of successful RX csum offloads */ 60 u64 tx_cso; /* # of TX checksum offloads */ 61 u64 tx_tso; /* # of TSO requests */ 62 u64 vlan_xtract; /* # of VLAN tag extractions */ 63 u64 vlan_insert; /* # of VLAN tag insertions */ 64 u64 tx_need_hdrroom; /* # of TX skbs in need of more header room */ 65 }; 66 67 struct sk_buff; 68 struct net_device; 69 struct adapter; 70 struct sge_params; 71 struct sge; 72 73 struct sge *t1_sge_create(struct adapter *, struct sge_params *); 74 int t1_sge_configure(struct sge *, struct sge_params *); 75 int t1_sge_set_coalesce_params(struct sge *, struct sge_params *); 76 void t1_sge_destroy(struct sge *); 77 irqreturn_t t1_interrupt(int irq, void *cookie); 78 int t1_poll(struct napi_struct *, int); 79 80 netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev); 81 void t1_vlan_mode(struct adapter *adapter, netdev_features_t features); 82 void t1_sge_start(struct sge *); 83 void t1_sge_stop(struct sge *); 84 int t1_sge_intr_error_handler(struct sge *); 85 void t1_sge_intr_enable(struct sge *); 86 void t1_sge_intr_disable(struct sge *); 87 void t1_sge_intr_clear(struct sge *); 88 const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge); 89 void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *); 90 unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int, 91 unsigned int); 92 93 #endif /* _CXGB_SGE_H_ */ 94