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aa84505fb0
The Chelsio driver does not return the correct values from the transmit routine. It works because the values don't conflict, but it is using the wrong defines. And -ENOMEM is not a legal return value. Since t1_sge_tx is only called in one place, making it static allows compiler to be potentially inline it. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
104 lines
5.3 KiB
C
104 lines
5.3 KiB
C
/*****************************************************************************
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* *
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* File: sge.h *
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* $Revision: 1.11 $ *
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* $Date: 2005/06/21 22:10:55 $ *
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* Description: *
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* part of the Chelsio 10Gb Ethernet Driver. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License, version 2, as *
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* published by the Free Software Foundation. *
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* *
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* You should have received a copy of the GNU General Public License along *
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* with this program; if not, write to the Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* http://www.chelsio.com *
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* *
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* Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
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* All rights reserved. *
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* *
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* Maintainers: maintainers@chelsio.com *
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* *
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* Authors: Dimitrios Michailidis <dm@chelsio.com> *
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* Tina Yang <tainay@chelsio.com> *
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* Felix Marti <felix@chelsio.com> *
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* Scott Bardone <sbardone@chelsio.com> *
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* Kurt Ottaway <kottaway@chelsio.com> *
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* Frank DiMambro <frank@chelsio.com> *
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* *
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* History: *
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* *
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****************************************************************************/
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#ifndef _CXGB_SGE_H_
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#define _CXGB_SGE_H_
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <asm/byteorder.h>
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#ifndef IRQ_RETVAL
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#define IRQ_RETVAL(x)
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typedef void irqreturn_t;
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#endif
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typedef irqreturn_t (*intr_handler_t)(int, void *, struct pt_regs *);
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struct sge_intr_counts {
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unsigned int respQ_empty; /* # times respQ empty */
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unsigned int respQ_overflow; /* # respQ overflow (fatal) */
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unsigned int freelistQ_empty; /* # times freelist empty */
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unsigned int pkt_too_big; /* packet too large (fatal) */
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unsigned int pkt_mismatch;
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unsigned int cmdQ_full[3]; /* not HW IRQ, host cmdQ[] full */
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unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */
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unsigned int ethernet_pkts; /* # of Ethernet packets received */
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unsigned int offload_pkts; /* # of offload packets received */
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unsigned int offload_bundles; /* # of offload pkt bundles delivered */
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unsigned int pure_rsps; /* # of non-payload responses */
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unsigned int unhandled_irqs; /* # of unhandled interrupts */
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unsigned int tx_ipfrags;
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unsigned int tx_reg_pkts;
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unsigned int tx_lso_pkts;
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unsigned int tx_do_cksum;
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};
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struct sge_port_stats {
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unsigned long rx_cso_good; /* # of successful RX csum offloads */
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unsigned long tx_cso; /* # of TX checksum offloads */
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unsigned long vlan_xtract; /* # of VLAN tag extractions */
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unsigned long vlan_insert; /* # of VLAN tag extractions */
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unsigned long tso; /* # of TSO requests */
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unsigned long rx_drops; /* # of packets dropped due to no mem */
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};
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struct sk_buff;
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struct net_device;
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struct adapter;
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struct sge_params;
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struct sge;
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struct sge *t1_sge_create(struct adapter *, struct sge_params *);
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int t1_sge_configure(struct sge *, struct sge_params *);
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int t1_sge_set_coalesce_params(struct sge *, struct sge_params *);
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void t1_sge_destroy(struct sge *);
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intr_handler_t t1_select_intr_handler(adapter_t *adapter);
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int t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
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void t1_set_vlan_accel(struct adapter *adapter, int on_off);
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void t1_sge_start(struct sge *);
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void t1_sge_stop(struct sge *);
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int t1_sge_intr_error_handler(struct sge *);
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void t1_sge_intr_enable(struct sge *);
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void t1_sge_intr_disable(struct sge *);
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void t1_sge_intr_clear(struct sge *);
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const struct sge_intr_counts *t1_sge_get_intr_counts(struct sge *sge);
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const struct sge_port_stats *t1_sge_get_port_stats(struct sge *sge, int port);
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#endif /* _CXGB_SGE_H_ */
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