1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /***************************************************************************** 3 * * 4 * File: sge.h * 5 * $Revision: 1.11 $ * 6 * $Date: 2005/06/21 22:10:55 $ * 7 * Description: * 8 * part of the Chelsio 10Gb Ethernet Driver. * 9 * * 10 * * 11 * http://www.chelsio.com * 12 * * 13 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * 14 * All rights reserved. * 15 * * 16 * Maintainers: maintainers@chelsio.com * 17 * * 18 * Authors: Dimitrios Michailidis <dm@chelsio.com> * 19 * Tina Yang <tainay@chelsio.com> * 20 * Felix Marti <felix@chelsio.com> * 21 * Scott Bardone <sbardone@chelsio.com> * 22 * Kurt Ottaway <kottaway@chelsio.com> * 23 * Frank DiMambro <frank@chelsio.com> * 24 * * 25 * History: * 26 * * 27 ****************************************************************************/ 28 29 #ifndef _CXGB_SGE_H_ 30 #define _CXGB_SGE_H_ 31 32 #include <linux/types.h> 33 #include <linux/interrupt.h> 34 #include <asm/byteorder.h> 35 36 struct sge_intr_counts { 37 unsigned int rx_drops; /* # of packets dropped due to no mem */ 38 unsigned int pure_rsps; /* # of non-payload responses */ 39 unsigned int unhandled_irqs; /* # of unhandled interrupts */ 40 unsigned int respQ_empty; /* # times respQ empty */ 41 unsigned int respQ_overflow; /* # respQ overflow (fatal) */ 42 unsigned int freelistQ_empty; /* # times freelist empty */ 43 unsigned int pkt_too_big; /* packet too large (fatal) */ 44 unsigned int pkt_mismatch; 45 unsigned int cmdQ_full[3]; /* not HW IRQ, host cmdQ[] full */ 46 unsigned int cmdQ_restarted[3];/* # of times cmdQ X was restarted */ 47 }; 48 49 struct sge_port_stats { 50 u64 rx_cso_good; /* # of successful RX csum offloads */ 51 u64 tx_cso; /* # of TX checksum offloads */ 52 u64 tx_tso; /* # of TSO requests */ 53 u64 vlan_xtract; /* # of VLAN tag extractions */ 54 u64 vlan_insert; /* # of VLAN tag insertions */ 55 u64 tx_need_hdrroom; /* # of TX skbs in need of more header room */ 56 }; 57 58 struct sk_buff; 59 struct net_device; 60 struct adapter; 61 struct sge_params; 62 struct sge; 63 64 struct sge *t1_sge_create(struct adapter *, struct sge_params *); 65 int t1_sge_configure(struct sge *, struct sge_params *); 66 int t1_sge_set_coalesce_params(struct sge *, struct sge_params *); 67 void t1_sge_destroy(struct sge *); 68 irqreturn_t t1_interrupt_thread(int irq, void *data); 69 irqreturn_t t1_interrupt(int irq, void *cookie); 70 int t1_poll(struct napi_struct *, int); 71 72 netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev); 73 void t1_vlan_mode(struct adapter *adapter, netdev_features_t features); 74 void t1_sge_start(struct sge *); 75 void t1_sge_stop(struct sge *); 76 bool t1_sge_intr_error_handler(struct sge *sge); 77 void t1_sge_intr_enable(struct sge *); 78 void t1_sge_intr_disable(struct sge *); 79 void t1_sge_intr_clear(struct sge *); 80 const struct sge_intr_counts *t1_sge_get_intr_counts(const struct sge *sge); 81 void t1_sge_get_port_stats(const struct sge *sge, int port, struct sge_port_stats *); 82 unsigned int t1_sched_update_parms(struct sge *, unsigned int, unsigned int, 83 unsigned int); 84 85 #endif /* _CXGB_SGE_H_ */ 86