diff options
author | Jan-Bernd Themann <ossthema@de.ibm.com> | 2006-09-13 17:44:31 +0200 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-09-13 13:23:52 -0400 |
commit | 7a291083225af6e22ffaa46b3d91cfc1a1ccaab4 (patch) | |
tree | c87a93ee7d5c1c63ce98dc90a62cd0b4dfc4318f /drivers/net | |
parent | 7de745e56244156233e5cdd62b462e52e638d408 (diff) |
[PATCH] ehea: IBM eHEA Ethernet Device Driver
Hi Jeff,
I fixed the __iomem issue and tested the driver with sparse. Looks good so far.
Thanks for your effort.
Jan-Bernd Themann
Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com>
drivers/net/Kconfig | 9
drivers/net/Makefile | 1
drivers/net/ehea/Makefile | 6
drivers/net/ehea/ehea.h | 447 ++++++
drivers/net/ehea/ehea_ethtool.c | 294 ++++
drivers/net/ehea/ehea_hcall.h | 51
drivers/net/ehea/ehea_hw.h | 287 ++++
drivers/net/ehea/ehea_main.c | 2654 ++++++++++++++++++++++++++++++++++++++++
drivers/net/ehea/ehea_phyp.c | 705 ++++++++++
drivers/net/ehea/ehea_phyp.h | 455 ++++++
drivers/net/ehea/ehea_qmr.c | 582 ++++++++
drivers/net/ehea/ehea_qmr.h | 358 +++++
12 files changed, 5849 insertions(+)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/Kconfig | 9 | ||||
-rw-r--r-- | drivers/net/Makefile | 1 | ||||
-rw-r--r-- | drivers/net/ehea/Makefile | 6 | ||||
-rw-r--r-- | drivers/net/ehea/ehea.h | 447 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_ethtool.c | 294 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_hcall.h | 51 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_hw.h | 287 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_main.c | 2654 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_phyp.c | 705 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_phyp.h | 455 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_qmr.c | 582 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_qmr.h | 358 |
12 files changed, 5849 insertions, 0 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index a36fc60bd889..d30ab6b492d1 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2360,6 +2360,15 @@ config CHELSIO_T1 To compile this driver as a module, choose M here: the module will be called cxgb. +config EHEA + tristate "eHEA Ethernet support" + depends on IBMEBUS + ---help--- + This driver supports the IBM pSeries eHEA ethernet adapter. + + To compile the driver as a module, choose M here. The module + will be called ehea. + config IXGB tristate "Intel(R) PRO/10GbE support" depends on PCI diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 6ff17649c0fc..0f329e56345e 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_E1000) += e1000/ obj-$(CONFIG_IBM_EMAC) += ibm_emac/ obj-$(CONFIG_IXGB) += ixgb/ obj-$(CONFIG_CHELSIO_T1) += chelsio/ +obj-$(CONFIG_EHEA) += ehea/ obj-$(CONFIG_BONDING) += bonding/ obj-$(CONFIG_GIANFAR) += gianfar_driver.o diff --git a/drivers/net/ehea/Makefile b/drivers/net/ehea/Makefile new file mode 100644 index 000000000000..775d9969b5c2 --- /dev/null +++ b/drivers/net/ehea/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the eHEA ethernet device driver for IBM eServer System p +# +ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o ehea_phyp.o +obj-$(CONFIG_EHEA) += ehea.o + diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h new file mode 100644 index 000000000000..87c510f22aca --- /dev/null +++ b/drivers/net/ehea/ehea.h @@ -0,0 +1,447 @@ +/* + * linux/drivers/net/ehea/ehea.h + * + * eHEA ethernet device driver for IBM eServer System p + * + * (C) Copyright IBM Corp. 2006 + * + * Authors: + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __EHEA_H__ +#define __EHEA_H__ + +#include <linux/module.h> +#include <linux/ethtool.h> +#include <linux/vmalloc.h> +#include <linux/if_vlan.h> + +#include <asm/ibmebus.h> +#include <asm/abs_addr.h> +#include <asm/io.h> + +#define DRV_NAME "ehea" +#define DRV_VERSION "EHEA_0027" + +#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \ + | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) + +#define EHEA_MAX_ENTRIES_RQ1 32767 +#define EHEA_MAX_ENTRIES_RQ2 16383 +#define EHEA_MAX_ENTRIES_RQ3 16383 +#define EHEA_MAX_ENTRIES_SQ 32767 +#define EHEA_MIN_ENTRIES_QP 127 + +#define EHEA_NUM_TX_QP 1 + +#ifdef EHEA_SMALL_QUEUES +#define EHEA_MAX_CQE_COUNT 1023 +#define EHEA_DEF_ENTRIES_SQ 1023 +#define EHEA_DEF_ENTRIES_RQ1 4095 +#define EHEA_DEF_ENTRIES_RQ2 1023 +#define EHEA_DEF_ENTRIES_RQ3 1023 +#else +#define EHEA_MAX_CQE_COUNT 32000 +#define EHEA_DEF_ENTRIES_SQ 16000 +#define EHEA_DEF_ENTRIES_RQ1 32080 +#define EHEA_DEF_ENTRIES_RQ2 4020 +#define EHEA_DEF_ENTRIES_RQ3 4020 +#endif + +#define EHEA_MAX_ENTRIES_EQ 20 + +#define EHEA_SG_SQ 2 +#define EHEA_SG_RQ1 1 +#define EHEA_SG_RQ2 0 +#define EHEA_SG_RQ3 0 + +#define EHEA_MAX_PACKET_SIZE 9022 /* for jumbo frames */ +#define EHEA_RQ2_PKT_SIZE 1522 +#define EHEA_L_PKT_SIZE 256 /* low latency */ + +#define EHEA_POLL_MAX_RWQE 1000 + +/* Send completion signaling */ +#define EHEA_SIG_IV_LONG 1 + +/* Protection Domain Identifier */ +#define EHEA_PD_ID 0xaabcdeff + +#define EHEA_RQ2_THRESHOLD 1 +#define EHEA_RQ3_THRESHOLD 9 /* use RQ3 threshold of 1522 bytes */ + +#define EHEA_SPEED_10G 10000 +#define EHEA_SPEED_1G 1000 +#define EHEA_SPEED_100M 100 +#define EHEA_SPEED_10M 10 +#define EHEA_SPEED_AUTONEG 0 + +/* Broadcast/Multicast registration types */ +#define EHEA_BCMC_SCOPE_ALL 0x08 +#define EHEA_BCMC_SCOPE_SINGLE 0x00 +#define EHEA_BCMC_MULTICAST 0x04 +#define EHEA_BCMC_BROADCAST 0x00 +#define EHEA_BCMC_UNTAGGED 0x02 +#define EHEA_BCMC_TAGGED 0x00 +#define EHEA_BCMC_VLANID_ALL 0x01 +#define EHEA_BCMC_VLANID_SINGLE 0x00 + +/* Use this define to kmallocate pHYP control blocks */ +#define H_CB_ALIGNMENT 4096 + +#define EHEA_CACHE_LINE 128 + +/* Memory Regions */ +#define EHEA_MR_MAX_TX_PAGES 20 +#define EHEA_MR_TX_DATA_PN 3 +#define EHEA_MR_ACC_CTRL 0x00800000 +#define EHEA_RWQES_PER_MR_RQ2 10 +#define EHEA_RWQES_PER_MR_RQ3 10 + +#define EHEA_WATCH_DOG_TIMEOUT 10*HZ + +/* utility functions */ + +#define ehea_info(fmt, args...) \ + printk(KERN_INFO DRV_NAME ": " fmt "\n", ## args) + +#define ehea_error(fmt, args...) \ + printk(KERN_ERR DRV_NAME ": Error in %s: " fmt "\n", __func__, ## args) + +#ifdef DEBUG +#define ehea_debug(fmt, args...) \ + printk(KERN_DEBUG DRV_NAME ": " fmt, ## args) +#else +#define ehea_debug(fmt, args...) do {} while (0) +#endif + +void ehea_dump(void *adr, int len, char *msg); + +#define EHEA_BMASK(pos, length) (((pos) << 16) + (length)) + +#define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1)) + +#define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff) + +#define EHEA_BMASK_MASK(mask) \ + (0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff)) + +#define EHEA_BMASK_SET(mask, value) \ + ((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask)) + +#define EHEA_BMASK_GET(mask, value) \ + (EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask))) + +/* + * Generic ehea page + */ +struct ehea_page { + u8 entries[PAGE_SIZE]; +}; + +/* + * Generic queue in linux kernel virtual memory + */ +struct hw_queue { + u64 current_q_offset; /* current queue entry */ + struct ehea_page **queue_pages; /* array of pages belonging to queue */ + u32 qe_size; /* queue entry size */ + u32 queue_length; /* queue length allocated in bytes */ + u32 pagesize; + u32 toggle_state; /* toggle flag - per page */ + u32 reserved; /* 64 bit alignment */ +}; + +/* + * For pSeries this is a 64bit memory address where + * I/O memory is mapped into CPU address space + */ +struct h_epa { + void __iomem *addr; +}; + +struct h_epa_user { + u64 addr; +}; + +struct h_epas { + struct h_epa kernel; /* kernel space accessible resource, + set to 0 if unused */ + struct h_epa_user user; /* user space accessible resource + set to 0 if unused */ +}; + +struct ehea_qp; +struct ehea_cq; +struct ehea_eq; +struct ehea_port; +struct ehea_av; + +/* + * Queue attributes passed to ehea_create_qp() + */ +struct ehea_qp_init_attr { + /* input parameter */ + u32 qp_token; /* queue token */ + u8 low_lat_rq1; + u8 signalingtype; /* cqe generation flag */ + u8 rq_count; /* num of receive queues */ + u8 eqe_gen; /* eqe generation flag */ + u16 max_nr_send_wqes; /* max number of send wqes */ + u16 max_nr_rwqes_rq1; /* max number of receive wqes */ + u16 max_nr_rwqes_rq2; + u16 max_nr_rwqes_rq3; + u8 wqe_size_enc_sq; + u8 wqe_size_enc_rq1; + u8 wqe_size_enc_rq2; + u8 wqe_size_enc_rq3; + u8 swqe_imm_data_len; /* immediate data length for swqes */ + u16 port_nr; + u16 rq2_threshold; + u16 rq3_threshold; + u64 send_cq_handle; + u64 recv_cq_handle; + u64 aff_eq_handle; + + /* output parameter */ + u32 qp_nr; + u16 act_nr_send_wqes; + u16 act_nr_rwqes_rq1; + u16 act_nr_rwqes_rq2; + u16 act_nr_rwqes_rq3; + u8 act_wqe_size_enc_sq; + u8 act_wqe_size_enc_rq1; + u8 act_wqe_size_enc_rq2; + u8 act_wqe_size_enc_rq3; + u32 nr_sq_pages; + u32 nr_rq1_pages; + u32 nr_rq2_pages; + u32 nr_rq3_pages; + u32 liobn_sq; + u32 liobn_rq1; + u32 liobn_rq2; + u32 liobn_rq3; +}; + +/* + * Event Queue attributes, passed as paramter + */ +struct ehea_eq_attr { + u32 type; + u32 max_nr_of_eqes; + u8 eqe_gen; /* generate eqe flag */ + u64 eq_handle; + u32 act_nr_of_eqes; + u32 nr_pages; + u32 ist1; /* Interrupt service token */ + u32 ist2; + u32 ist3; + u32 ist4; +}; + + +/* + * Event Queue + */ +struct ehea_eq { + struct ehea_adapter *adapter; + struct hw_queue hw_queue; + u64 fw_handle; + struct h_epas epas; + spinlock_t spinlock; + struct ehea_eq_attr attr; +}; + +/* + * HEA Queues + */ +struct ehea_qp { + struct ehea_adapter *adapter; + u64 fw_handle; /* QP handle for firmware calls */ + struct hw_queue hw_squeue; + struct hw_queue hw_rqueue1; + struct hw_queue hw_rqueue2; + struct hw_queue hw_rqueue3; + struct h_epas epas; + struct ehea_qp_init_attr init_attr; +}; + +/* + * Completion Queue attributes + */ +struct ehea_cq_attr { + /* input parameter */ + u32 max_nr_of_cqes; + u32 cq_token; + u64 eq_handle; + + /* output parameter */ + u32 act_nr_of_cqes; + u32 nr_pages; +}; + +/* + * Completion Queue + */ +struct ehea_cq { + struct ehea_adapter *adapter; + u64 fw_handle; + struct hw_queue hw_queue; + struct h_epas epas; + struct ehea_cq_attr attr; +}; + +/* + * Memory Region + */ +struct ehea_mr { + u64 handle; + u64 vaddr; + u32 lkey; +}; + +/* + * Port state information + */ +struct port_state { + int poll_max_processed; + int poll_receive_errors; + int ehea_poll; + int queue_stopped; + int min_swqe_avail; + u64 sqc_stop_sum; + int pkt_send; + int pkt_xmit; + int send_tasklet; + int nwqe; +}; + +#define EHEA_IRQ_NAME_SIZE 20 + +/* + * Queue SKB Array + */ +struct ehea_q_skb_arr { + struct sk_buff **arr; /* skb array for queue */ + int len; /* array length */ + int index; /* array index */ + int os_skbs; /* rq2/rq3 only: outstanding skbs */ +}; + +/* + * Port resources + */ +struct ehea_port_res { + struct ehea_mr send_mr; /* send memory region */ + struct ehea_mr recv_mr; /* receive memory region */ + spinlock_t xmit_lock; + struct ehea_port *port; + char int_recv_name[EHEA_IRQ_NAME_SIZE]; + char int_send_name[EHEA_IRQ_NAME_SIZE]; + struct ehea_qp *qp; + struct ehea_cq *send_cq; + struct ehea_cq *recv_cq; + struct ehea_eq *send_eq; + struct ehea_eq *recv_eq; + spinlock_t send_lock; + struct ehea_q_skb_arr rq1_skba; + struct ehea_q_skb_arr rq2_skba; + struct ehea_q_skb_arr rq3_skba; + struct ehea_q_skb_arr sq_skba; + spinlock_t netif_queue; + int queue_stopped; + int swqe_refill_th; + atomic_t swqe_avail; + int swqe_ll_count; + int swqe_count; + u32 swqe_id_counter; + u64 tx_packets; + struct tasklet_struct send_comp_task; + spinlock_t recv_lock; + struct port_state p_state; + u64 rx_packets; + u32 poll_counter; +}; + + +struct ehea_adapter { + u64 handle; + u8 num_ports; + struct ehea_port *port[16]; + struct ehea_eq *neq; /* notification event queue */ + struct workqueue_struct *ehea_wq; + struct tasklet_struct neq_tasklet; + struct ehea_mr mr; + u32 pd; /* protection domain */ + u64 max_mc_mac; /* max number of multicast mac addresses */ +}; + + +struct ehea_mc_list { + struct list_head list; + u64 macaddr; +}; + +#define EHEA_PORT_UP 1 +#define EHEA_PORT_DOWN 0 +#define EHEA_MAX_PORT_RES 16 +struct ehea_port { + struct ehea_adapter *adapter; /* adapter that owns this port */ + struct net_device *netdev; + struct net_device_stats stats; + struct ehea_port_res port_res[EHEA_MAX_PORT_RES]; + struct device_node *of_dev_node; /* Open Firmware Device Node */ + struct ehea_mc_list *mc_list; /* Multicast MAC addresses */ + struct vlan_group *vgrp; + struct ehea_eq *qp_eq; + struct work_struct reset_task; + struct semaphore port_lock; + char int_aff_name[EHEA_IRQ_NAME_SIZE]; + int allmulti; /* Indicates IFF_ALLMULTI state */ + int promisc; /* Indicates IFF_PROMISC state */ + int num_add_tx_qps; + int resets; + u64 mac_addr; + u32 logical_port_id; + u32 port_speed; + u32 msg_enable; + u32 sig_comp_iv; + u32 state; + u8 full_duplex; + u8 autoneg; + u8 num_def_qps; +}; + +struct port_res_cfg { + int max_entries_rcq; + int max_entries_scq; + int max_entries_sq; + int max_entries_rq1; + int max_entries_rq2; + int max_entries_rq3; +}; + + +void ehea_set_ethtool_ops(struct net_device *netdev); +int ehea_sense_port_attr(struct ehea_port *port); +int ehea_set_portspeed(struct ehea_port *port, u32 port_speed); + +#endif /* __EHEA_H__ */ diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c new file mode 100644 index 000000000000..6906af6277c8 --- /dev/null +++ b/drivers/net/ehea/ehea_ethtool.c @@ -0,0 +1,294 @@ +/* + * linux/drivers/net/ehea/ehea_ethtool.c + * + * eHEA ethernet device driver for IBM eServer System p + * + * (C) Copyright IBM Corp. 2006 + * + * Authors: + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "ehea.h" +#include "ehea_phyp.h" + +static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ehea_port *port = netdev_priv(dev); + int ret; + + ret = ehea_sense_port_attr(port); + + if (ret) + return ret; + + if (netif_carrier_ok(dev)) { + switch(port->port_speed) { + case EHEA_SPEED_10M: cmd->speed = SPEED_10; break; + case EHEA_SPEED_100M: cmd->speed = SPEED_100; break; + case EHEA_SPEED_1G: cmd->speed = SPEED_1000; break; + case EHEA_SPEED_10G: cmd->speed = SPEED_10000; break; + } + cmd->duplex = port->full_duplex == 1 ? + DUPLEX_FULL : DUPLEX_HALF; + } else { + cmd->speed = -1; + cmd->duplex = -1; + } + + cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full + | SUPPORTED_100baseT_Full | SUPPORTED_100baseT_Half + | SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half + | SUPPORTED_Autoneg | SUPPORTED_FIBRE); + + cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg + | ADVERTISED_FIBRE); + + cmd->port = PORT_FIBRE; + cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE; + + return 0; +} + +static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ehea_port *port = netdev_priv(dev); + int ret = 0; + u32 sp; + + if (cmd->autoneg == AUTONEG_ENABLE) { + sp = EHEA_SPEED_AUTONEG; + goto doit; + } + + switch(cmd->speed) { + case SPEED_10: + if (cmd->duplex == DUPLEX_FULL) + sp = H_SPEED_10M_F; + else + sp = H_SPEED_10M_H; + break; + + case SPEED_100: + if (cmd->duplex == DUPLEX_FULL) + sp = H_SPEED_100M_F; + else + sp = H_SPEED_100M_H; + break; + + case SPEED_1000: + if (cmd->duplex == DUPLEX_FULL) + sp = H_SPEED_1G_F; + else + ret = -EINVAL; + break; + + case SPEED_10000: + if (cmd->duplex == DUPLEX_FULL) + sp = H_SPEED_10G_F; + else + ret = -EINVAL; + break; + + default: + ret = -EINVAL; + break; + } + + if (ret) + goto out; +doit: + ret = ehea_set_portspeed(port, sp); + + if (!ret) + ehea_info("%s: Port speed succesfully set: %dMbps " + "%s Duplex", + port->netdev->name, port->port_speed, + port->full_duplex == 1 ? "Full" : "Half"); +out: + return ret; +} + +static int ehea_nway_reset(struct net_device *dev) +{ + struct ehea_port *port = netdev_priv(dev); + int ret; + + ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG); + + if (!ret) + ehea_info("%s: Port speed succesfully set: %dMbps " + "%s Duplex", + port->netdev->name, port->port_speed, + port->full_duplex == 1 ? "Full" : "Half"); + return ret; +} + +static void ehea_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + strlcpy(info->driver, DRV_NAME, sizeof(info->driver) - 1); + strlcpy(info->version, DRV_VERSION, sizeof(info->version) - 1); +} + +static u32 ehea_get_msglevel(struct net_device *dev) +{ + struct ehea_port *port = netdev_priv(dev); + return port->msg_enable; +} + +static void ehea_set_msglevel(struct net_device *dev, u32 value) +{ + struct ehea_port *port = netdev_priv(dev); + port->msg_enable = value; +} + +static u32 ehea_get_rx_csum(struct net_device *dev) +{ + return 1; +} + +static char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = { + {"poll_max_processed"}, + {"queue_stopped"}, + {"min_swqe_avail"}, + {"poll_receive_err"}, + {"pkt_send"}, + {"pkt_xmit"}, + {"send_tasklet"}, + {"ehea_poll"}, + {"nwqe"}, + {"swqe_available_0"}, + {"sig_comp_iv"}, + {"swqe_refill_th"}, + {"port resets"}, + {"rxo"}, + {"rx64"}, + {"rx65"}, + {"rx128"}, + {"rx256"}, + {"rx512"}, + {"rx1024"}, + {"txo"}, + {"tx64"}, + {"tx65"}, + {"tx128"}, + {"tx256"}, + {"tx512"}, + {"tx1024"}, +}; + +static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + if (stringset == ETH_SS_STATS) { + memcpy(data, &ehea_ethtool_stats_keys, + sizeof(ehea_ethtool_stats_keys)); + } +} + +static int ehea_get_stats_count(struct net_device *dev) +{ + return ARRAY_SIZE(ehea_ethtool_stats_keys); +} + +static void ehea_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + u64 hret; + int i; + struct ehea_port *port = netdev_priv(dev); + struct ehea_adapter *adapter = port->adapter; + struct ehea_port_res *pr = &port->port_res[0]; + struct port_state *p_state = &pr->p_state; + struct hcp_ehea_port_cb6 *cb6; + + for (i = 0; i < ehea_get_stats_count(dev); i++) + data[i] = 0; + + i = 0; + + data[i++] = p_state->poll_max_processed; + data[i++] = p_state->queue_stopped; + data[i++] = p_state->min_swqe_avail; + data[i++] = p_state->poll_receive_errors; + data[i++] = p_state->pkt_send; + data[i++] = p_state->pkt_xmit; + data[i++] = p_state->send_tasklet; + data[i++] = p_state->ehea_poll; + data[i++] = p_state->nwqe; + data[i++] = atomic_read(&port->port_res[0].swqe_avail); + data[i++] = port->sig_comp_iv; + data[i++] = port->port_res[0].swqe_refill_th; + data[i++] = port->resets; + + cb6 = kzalloc(H_CB_ALIGNMENT, GFP_KERNEL); + if (!cb6) { + ehea_error("no mem for cb6"); + return; + } + + hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id, + H_PORT_CB6, H_PORT_CB6_ALL, cb6); + if (netif_msg_hw(port)) + ehea_dump(cb6, sizeof(*cb6), "ehea_get_ethtool_stats"); + + if (hret == H_SUCCESS) { + data[i++] = cb6->rxo; + data[i++] = cb6->rx64; + data[i++] = cb6->rx65; + data[i++] = cb6->rx128; + data[i++] = cb6->rx256; + data[i++] = cb6->rx512; + data[i++] = cb6->rx1024; + data[i++] = cb6->txo; + data[i++] = cb6->tx64; + data[i++] = cb6->tx65; + data[i++] = cb6->tx128; + data[i++] = cb6->tx256; + data[i++] = cb6->tx512; + data[i++] = cb6->tx1024; + } else + ehea_error("query_ehea_port failed"); + + kfree(cb6); +} + +struct ethtool_ops ehea_ethtool_ops = { + .get_settings = ehea_get_settings, + .get_drvinfo = ehea_get_drvinfo, + .get_msglevel = ehea_get_msglevel, + .set_msglevel = ehea_set_msglevel, + .get_link = ethtool_op_get_link, + .get_tx_csum = ethtool_op_get_tx_csum, + .get_sg = ethtool_op_get_sg, + .get_tso = ethtool_op_get_tso, + .set_tso = ethtool_op_set_tso, + .get_strings = ehea_get_strings, + .get_stats_count = ehea_get_stats_count, + .get_ethtool_stats = ehea_get_ethtool_stats, + .get_rx_csum = ehea_get_rx_csum, + .set_settings = ehea_set_settings, + .nway_reset = ehea_nway_reset, /* Restart autonegotiation */ +}; + +void ehea_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops); +} diff --git a/drivers/net/ehea/ehea_hcall.h b/drivers/net/ehea/ehea_hcall.h new file mode 100644 index 000000000000..8e7d1c3edc60 --- /dev/null +++ b/drivers/net/ehea/ehea_hcall.h @@ -0,0 +1,51 @@ +/* + * linux/drivers/net/ehea/ehea_hcall.h + * + * eHEA ethernet device driver for IBM eServer System p + * + * (C) Copyright IBM Corp. 2006 + * + * Authors: + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __EHEA_HCALL_H__ +#define __EHEA_HCALL_H__ + +/** + * This file contains HCALL defines that are to be included in the appropriate + * kernel files later + */ + +#define H_ALLOC_HEA_RESOURCE 0x278 +#define H_MODIFY_HEA_QP 0x250 +#define H_QUERY_HEA_QP 0x254 +#define H_QUERY_HEA 0x258 +#define H_QUERY_HEA_PORT 0x25C +#define H_MODIFY_HEA_PORT 0x260 +#define H_REG_BCMC 0x264 +#define H_DEREG_BCMC 0x268 +#define H_REGISTER_HEA_RPAGES 0x26C +#define H_DISABLE_AND_GET_HEA 0x270 +#define H_GET_HEA_INFO 0x274 +#define H_ADD_CONN 0x284 +#define H_DEL_CONN 0x288 + +#endif /* __EHEA_HCALL_H__ */ diff --git a/drivers/net/ehea/ehea_hw.h b/drivers/net/ehea/ehea_hw.h new file mode 100644 index 000000000000..e3a7d07f88cc --- /dev/null +++ b/drivers/net/ehea/ehea_hw.h @@ -0,0 +1,287 @@ +/* + * linux/drivers/net/ehea/ehea_hw.h + * + * eHEA ethernet device driver for IBM eServer System p + * + * (C) Copyright IBM Corp. 2006 + * + * Authors: + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __EHEA_HW_H__ +#define __EHEA_HW_H__ + +#define QPX_SQA_VALUE EHEA_BMASK_IBM(48,63) +#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48,63) +#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48,63) +#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48,63) + +#define QPTEMM_OFFSET(x) offsetof(struct ehea_qptemm, x) + +struct ehea_qptemm { + u64 qpx_hcr; + u64 qpx_c; + u64 qpx_herr; + u64 qpx_aer; + u64 qpx_sqa; + u64 qpx_sqc; + u64 qpx_rq1a; + u64 qpx_rq1c; + u64 qpx_st; + u64 qpx_aerr; + u64 qpx_tenure; + u64 qpx_reserved1[(0x098 - 0x058) / 8]; + u64 qpx_portp; + u64 qpx_reserved2[(0x100 - 0x0A0) / 8]; + u64 qpx_t; + u64 qpx_sqhp; + u64 qpx_sqptp; + u64 qpx_reserved3[(0x140 - 0x118) / 8]; + u64 qpx_sqwsize; + u64 qpx_reserved4[(0x170 - 0x148) / 8]; + u64 qpx_sqsize; + u64 qpx_reserved5[(0x1B0 - 0x178) / 8]; + u64 qpx_sigt; + u64 qpx_wqecnt; + u64 qpx_rq1hp; + u64 qpx_rq1ptp; + u64 qpx_rq1size; + u64 qpx_reserved6[(0x220 - 0x1D8) / 8]; + u64 qpx_rq1wsize; + u64 qpx_reserved7[(0x240 - 0x228) / 8]; + u64 qpx_pd; + u64 qpx_scqn; + u64 qpx_rcqn; + u64 qpx_aeqn; + u64 reserved49; + u64 qpx_ram; + u64 qpx_reserved8[(0x300 - 0x270) / 8]; + u64 qpx_rq2a; + u64 qpx_rq2c; + u64 qpx_rq2hp; + u64 qpx_rq2ptp; + u64 qpx_rq2size; + u64 qpx_rq2wsize; + u64 qpx_rq2th; + u64 qpx_rq3a; + u64 qpx_rq3c; + u64 qpx_rq3hp; + u64 qpx_rq3ptp; + u64 qpx_rq3size; + u64 qpx_rq3wsize; + u64 qpx_rq3th; + u64 qpx_lpn; + u64 qpx_reserved9[(0x400 - 0x378) / 8]; + u64 reserved_ext[(0x500 - 0x400) / 8]; + u64 reserved2[(0x1000 - 0x500) / 8]; +}; + +#define MRx_HCR_LPARID_VALID EHEA_BMASK_IBM(0, 0) + +#define MRMWMM_OFFSET(x) offsetof(struct ehea_mrmwmm, x) + +struct ehea_mrmwmm { + u64 mrx_hcr; + u64 mrx_c; + u64 mrx_herr; + u64 mrx_aer; + u64 mrx_pp; + u64 reserved1; + u64 reserved2; + u64 reserved3; + u64 reserved4[(0x200 - 0x40) / 8]; + u64 mrx_ctl[64]; +}; + +#define QPEDMM_OFFSET(x) offsetof(struct ehea_qpedmm, x) + +struct ehea_qpedmm { + + u64 reserved0[(0x400) / 8]; + u64 qpedx_phh; + u64 qpedx_ppsgp; + u64 qpedx_ppsgu; + u64 qpedx_ppdgp; + u64 qpedx_ppdgu; + u64 qpedx_aph; + u64 qpedx_apsgp; + u64 qpedx_apsgu; + u64 qpedx_apdgp; + u64 qpedx_apdgu; + u64 qpedx_apav; + u64 qpedx_apsav; + u64 qpedx_hcr; + u64 reserved1[4]; + u64 qpedx_rrl0; + u64 qpedx_rrrkey0; + u64 qpedx_rrva0; + u64 reserved2; + u64 qpedx_rrl1; + u64 qpedx_rrrkey1; + u64 qpedx_rrva1; + u64 reserved3; + u64 qpedx_rrl2; + u64 qpedx_rrrkey2; + u64 qpedx_rrva2; + u64 reserved4; + u64 qpedx_rrl3; + u64 qpedx_rrrkey3; + u64 qpedx_rrva3; +}; + +#define CQX_FECADDER EHEA_BMASK_IBM(32, 63) +#define CQX_FEC_CQE_CNT EHEA_BMASK_IBM(32, 63) +#define CQX_N1_GENERATE_COMP_EVENT EHEA_BMASK_IBM(0, 0) +#define CQX_EP_EVENT_PENDING EHEA_BMASK_IBM(0, 0) + +#define CQTEMM_OFFSET(x) offsetof(struct ehea_cqtemm, x) + +struct ehea_cqtemm { + u64 cqx_hcr; + u64 cqx_c; + u64 cqx_herr; + u64 cqx_aer; + u64 cqx_ptp; + u64 cqx_tp; + u64 cqx_fec; + u64 cqx_feca; + u64 cqx_ep; + u64 cqx_eq; + u64 reserved1; + u64 cqx_n0; + u64 cqx_n1; + u64 reserved2[(0x1000 - 0x60) / 8]; +}; + +#define EQTEMM_OFFSET(x) offsetof(struct ehea_eqtemm, x) + +struct ehea_eqtemm { + u64 eqx_hcr; + u64 eqx_c; + u64 eqx_herr; + u64 eqx_aer; + u64 eqx_ptp; + u64 eqx_tp; + u64 eqx_ssba; + u64 eqx_psba; + u64 eqx_cec; + u64 eqx_meql; + u64 eqx_xisbi; + u64 eqx_xisc; + u64 eqx_it; +}; + +static inline u64 epa_load(struct h_epa epa, u32 offset) +{ + return readq((void __iomem *)(epa.addr + offset)); +} + +static inline void epa_store(struct h_epa epa, u32 offset, u64 value) +{ + writeq(value, (void __iomem *)(epa.addr + offset)); + epa_load(epa, offset); /* synchronize explicitly to eHEA */ +} + +static inline void epa_store_acc(struct h_epa epa, u32 offset, u64 value) +{ + writeq(value, (void __iomem *)(epa.addr + offset)); +} + +#define epa_store_eq(epa, offset, value)\ + epa_store(epa, EQTEMM_OFFSET(offset), value) +#define epa_load_eq(epa, offset)\ + epa_load(epa, EQTEMM_OFFSET(offset)) + +#define epa_store_cq(epa, offset, value)\ + epa_store(epa, CQTEMM_OFFSET(offset), value) +#define epa_load_cq(epa, offset)\ + epa_load(epa, CQTEMM_OFFSET(offset)) + +#define epa_store_qp(epa, offset, value)\ + epa_store(epa, QPTEMM_OFFSET(offset), value) +#define epa_load_qp(epa, offset)\ + epa_load(epa, QPTEMM_OFFSET(offset)) + +#define epa_store_qped(epa, offset, value)\ + epa_store(epa, QPEDMM_OFFSET(offset), value) +#define epa_load_qped(epa, offset)\ + epa_load(epa, QPEDMM_OFFSET(offset)) + +#define epa_store_mrmw(epa, offset, value)\ + epa_store(epa, MRMWMM_OFFSET(offset), value) +#define epa_load_mrmw(epa, offset)\ + epa_load(epa, MRMWMM_OFFSET(offset)) + +#define epa_store_base(epa, offset, value)\ + epa_store(epa, HCAGR_OFFSET(offset), value) +#define epa_load_base(epa, offset)\ + epa_load(epa, HCAGR_OFFSET(offset)) + +static inline void ehea_update_sqa(struct ehea_qp *qp, u16 nr_wqes) +{ + struct h_epa epa = qp->epas.kernel; + epa_store_acc(epa, QPTEMM_OFFSET(qpx_sqa), + EHEA_BMASK_SET(QPX_SQA_VALUE, nr_wqes)); +} + +static inline void ehea_update_rq3a(struct ehea_qp *qp, u16 nr_wqes) +{ + struct h_epa epa = qp->epas.kernel; + epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq3a), + EHEA_BMASK_SET(QPX_RQ1A_VALUE, nr_wqes)); +} |