/***************************************************************************** * * * File: sge.h * * $Revision: 1.11 $ * * $Date: 2005/06/21 22:10:55 $ * * Description: * * part of the Chelsio 10Gb Ethernet Driver. * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License, version 2, as * * published by the Free Software Foundation. * * * * You should have received a copy of the GNU General Public License along * * with this program; if not, see <http://www.gnu.org/licenses/>. * * * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * * * http://www.chelsio.com * * * * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * * All rights reserved. * * * * Maintainers: maintainers@chelsio.com * * * * Authors: Dimitrios Michailidis <dm@chelsio.com> * * Tina Yang <tainay@chelsio.com> * * Felix Marti <felix@chelsio.com> * * Scott Bardone <sbardone@chelsio.com> * * Kurt Ottaway <kottaway@chelsio.com> * * Frank DiMambro <frank@chelsio.com> * * * * History: * * * ****************************************************************************/ #ifndef _CXGB_SGE_H_ #define _CXGB_SGE_H_ #include <linux/types.h> #include <linux/interrupt.h> #include <asm/byteorder.h> struct sge_intr_counts { unsigned int rx_drops; /* # of packets dropped due to no mem */ unsigned int pure_rsps; /* # of non-payload responses */ unsigned int unhandled_irqs; /* # of unhandled interrupts */ unsigned int respQ_empty; /* # times respQ empty */ unsigned int respQ_overflow; /* # respQ overflow (fatal) */ unsigned int freelistQ_empty; /* # times freelist empty */ unsigned int pkt_too_big; /* packet too large (fatal) */ unsigned int pkt_mismatch; unsigned int cmdQ_full[3]; /* not HW IRQ, host cmdQ[] full */ unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */ }; struct sge_port_stats { u64 rx_cso_good; /* # of successful RX csum offloads */ u64 tx_cso; /* # of TX checksum offloads */ u64 tx_tso; /* # of TSO requests */ u64 vlan_xtract; /* # of VLAN tag extractions */ u64 vlan_insert; /* # of VLAN tag insertions */ u64 tx_need_hdrroom; /* # of TX skbs in need of more header room */ }; struct sk_buff; struct net_device; struct adapter; struct sge_params; struct sge; struct sge *t1_sge_create(struct adapter *, struct sge_params *); int t1_sge_configure(struct sge *, struct sge_params *); int t1_sge_set_coalesce_params(struct sge *, struct sge_params *); void t1_sge_destroy(struct sge *); irqreturn_t t1_interrupt(int irq, void *cookie); int t1_poll(struct napi_struct *, int); netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev); void t1_vlan_mode(struct adapter *adapter, netdev_features_t features); void t1_sge_start(struct sge *); void t1_sge_stop(struct sge *); int t1_sge_intr_error_handler(struct sge *); void t1_sge_intr_enable(struct sge *); void t1_sge_intr_disable(struct sge *); void t1_sge_intr_clear(struct sge *); const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge); void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *); unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int, unsigned int); #endif /* _CXGB_SGE_H_ */ |