diff options
Diffstat (limited to 'drivers/net/ethernet/ibm')
31 files changed, 18123 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ibm/Kconfig b/drivers/net/ethernet/ibm/Kconfig new file mode 100644 index 000000000000..4c7ef980f1c6 --- /dev/null +++ b/drivers/net/ethernet/ibm/Kconfig @@ -0,0 +1,47 @@ +# +# IBM device configuration. +# + +config NET_VENDOR_IBM + bool "IBM devices" + depends on MCA || PPC_PSERIES || PPC_PSERIES || PPC_DCR || \ + (IBMEBUS && INET && SPARSEMEM) + ---help--- + If you have a network (Ethernet) card belonging to this class, say Y + and read the Ethernet-HOWTO, available from + <http://www.tldp.org/docs.html#howto>. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about IBM devices. If you say Y, you will be asked for + your specific card in the following questions. + +if NET_VENDOR_IBM + +config IBMVETH + tristate "IBM LAN Virtual Ethernet support" + depends on PPC_PSERIES + ---help--- + This driver supports virtual ethernet adapters on newer IBM iSeries + and pSeries systems. + + To compile this driver as a module, choose M here. The module will + be called ibmveth. + +config ISERIES_VETH + tristate "iSeries Virtual Ethernet driver support" + depends on PPC_ISERIES + +source "drivers/net/ethernet/ibm/emac/Kconfig" + +config EHEA + tristate "eHEA Ethernet support" + depends on IBMEBUS && INET && SPARSEMEM + select INET_LRO + ---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. + +endif # NET_VENDOR_IBM diff --git a/drivers/net/ethernet/ibm/Makefile b/drivers/net/ethernet/ibm/Makefile new file mode 100644 index 000000000000..5a7d4e9ac803 --- /dev/null +++ b/drivers/net/ethernet/ibm/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for th IBM network device drivers. +# + +obj-$(CONFIG_IBMVETH) += ibmveth.o +obj-$(CONFIG_ISERIES_VETH) += iseries_veth.o +obj-$(CONFIG_IBM_EMAC) += emac/ +obj-$(CONFIG_EHEA) += ehea/ diff --git a/drivers/net/ethernet/ibm/ehea/Makefile b/drivers/net/ethernet/ibm/ehea/Makefile new file mode 100644 index 000000000000..775d9969b5c2 --- /dev/null +++ b/drivers/net/ethernet/ibm/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/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h new file mode 100644 index 000000000000..7dd5e6a0d998 --- /dev/null +++ b/drivers/net/ethernet/ibm/ehea/ehea.h @@ -0,0 +1,504 @@ +/* + * 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 <linux/inet_lro.h> + +#include <asm/ibmebus.h> +#include <asm/abs_addr.h> +#include <asm/io.h> + +#define DRV_NAME "ehea" +#define DRV_VERSION "EHEA_0107" + +/* eHEA capability flags */ +#define DLPAR_PORT_ADD_REM 1 +#define DLPAR_MEM_ADD 2 +#define DLPAR_MEM_REM 4 +#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM | DLPAR_MEM_ADD | DLPAR_MEM_REM) + +#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_SMALL_QUEUES +#define EHEA_NUM_TX_QP 1 +#define EHEA_LRO_MAX_AGGR 64 + +#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 4080 +#define EHEA_DEF_ENTRIES_SQ 4080 +#define EHEA_DEF_ENTRIES_RQ1 8160 +#define EHEA_DEF_ENTRIES_RQ2 2040 +#define EHEA_DEF_ENTRIES_RQ3 2040 +#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 MAX_LRO_DESCRIPTORS 8 + +/* Send completion signaling */ + +/* 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 + +#define EHEA_CACHE_LINE 128 + +/* Memory Regions */ +#define EHEA_MR_ACC_CTRL 0x00800000 + +#define EHEA_BUSMAP_START 0x8000000000000000ULL +#define EHEA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL +#define EHEA_DIR_INDEX_SHIFT 13 /* 8k Entries in 64k block */ +#define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2) +#define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT) +#define EHEA_MAP_SIZE (0x10000) /* currently fixed map size */ +#define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1) + + +#define EHEA_WATCH_DOG_TIMEOUT 10*HZ + +/* utility functions */ + +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 */ +}; + +/* + * Memory map data structures + */ +struct ehea_dir_bmap +{ + u64 ent[EHEA_MAP_ENTRIES]; +}; +struct ehea_top_bmap +{ + struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES]; +}; +struct ehea_bmap +{ + struct ehea_top_bmap *top[EHEA_MAP_ENTRIES]; +}; + +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 parameter + */ +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 { + struct ehea_adapter *adapter; + u64 handle; + u64 vaddr; + u32 lkey; +}; + +/* + * Port state information + */ +struct port_stats { + int poll_receive_errors; + int queue_stopped; + int err_tcp_cksum; + int err_ip_cksum; + int err_frame_crc; +}; + +#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 napi_struct napi; + struct port_stats p_stats; + 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 *eq; + 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; + int sq_skba_size; + spinlock_t netif_queue; + int queue_stopped; + int swqe_refill_th; + atomic_t swqe_avail; + int swqe_ll_count; + u32 swqe_id_counter; + u64 tx_packets; + u64 tx_bytes; + u64 rx_packets; + u64 rx_bytes; + u32 poll_counter; + struct net_lro_mgr lro_mgr; + struct net_lro_desc lro_desc[MAX_LRO_DESCRIPTORS]; + int sq_restart_flag; +}; + + +#define EHEA_MAX_PORTS 16 + +#define EHEA_NUM_PORTRES_FW_HANDLES 6 /* QP handle, SendCQ handle, + RecvCQ handle, EQ handle, + SendMR handle, RecvMR handle */ +#define EHEA_NUM_PORT_FW_HANDLES 1 /* EQ handle */ +#define EHEA_NUM_ADAPTER_FW_HANDLES 2 /* MR handle, NEQ handle */ + +struct ehea_adapter { + u64 handle; + struct platform_device *ofdev; + struct ehea_port *port[EHEA_MAX_PORTS]; + struct ehea_eq *neq; /* notification event queue */ + struct tasklet_struct neq_tasklet; + struct ehea_mr mr; + u32 pd; /* protection domain */ + u64 max_mc_mac; /* max number of multicast mac addresses */ + int active_ports; + struct list_head list; +}; + + +struct ehea_mc_list { + struct list_head list; + u64 macaddr; +}; + +/* kdump support */ +struct ehea_fw_handle_entry { + u64 adh; /* Adapter Handle */ + u64 fwh; /* Firmware Handle */ +}; + +struct ehea_fw_handle_array { + struct ehea_fw_handle_entry *arr; + int num_entries; + struct mutex lock; +}; + +struct ehea_bcmc_reg_entry { + u64 adh; /* Adapter Handle */ + u32 port_id; /* Logical Port Id */ + u8 reg_type; /* Registration Type */ + u64 macaddr; +}; + +struct ehea_bcmc_reg_array { + struct ehea_bcmc_reg_entry *arr; + int num_entries; + spinlock_t lock; +}; + +#define EHEA_PORT_UP 1 +#define EHEA_PORT_DOWN 0 +#define EHEA_PHY_LINK_UP 1 +#define EHEA_PHY_LINK_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 platform_device ofdev; /* Open Firmware Device */ + struct ehea_mc_list *mc_list; /* Multicast MAC addresses */ + struct ehea_eq *qp_eq; + struct work_struct reset_task; + struct mutex port_lock; + char int_aff_name[EHEA_IRQ_NAME_SIZE]; + int allmulti; /* Indicates IFF_ALLMULTI state */ + int promisc; /* Indicates IFF_PROMISC state */ + int num_tx_qps; + int num_add_tx_qps; + int num_mcs; + int resets; + unsigned long flags; + u64 mac_addr; + u32 logical_port_id; + u32 port_speed; + u32 msg_enable; + u32 sig_comp_iv; + u32 state; + u32 lro_max_aggr; + u8 phy_link; + u8 full_duplex; + u8 autoneg; + u8 num_def_qps; + wait_queue_head_t swqe_avail_wq; + wait_queue_head_t restart_wq; +}; + +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; +}; + +enum ehea_flag_bits { + __EHEA_STOP_XFER, + __EHEA_DISABLE_PORT_RESET +}; + +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/ethernet/ibm/ehea/ehea_ethtool.c b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c new file mode 100644 index 000000000000..7f642aef5e82 --- /dev/null +++ b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c @@ -0,0 +1,295 @@ +/* + * 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. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#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); + u32 speed; + 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: + speed = SPEED_10; + break; + case EHEA_SPEED_100M: + speed = SPEED_100; + break; + case EHEA_SPEED_1G: + speed = SPEED_1000; + break; + case EHEA_SPEED_10G: + speed = SPEED_10000; + break; + default: + speed = -1; + break; /* BUG */ + } + cmd->duplex = port->full_duplex == 1 ? + DUPLEX_FULL : DUPLEX_HALF; + } else { + speed = ~0; + cmd->duplex = -1; + } + ethtool_cmd_speed_set(cmd, speed); + + if (cmd->speed == SPEED_10000) { + cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); + cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); + cmd->port = PORT_FIBRE; + } else { + cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full + | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full + | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg + | SUPPORTED_TP); + cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg + | ADVERTISED_TP); + cmd->port = PORT_TP; + } + + 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) + netdev_info(dev, + "Port speed successfully set: %dMbps %s Duplex\n", + 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) + netdev_info(port->netdev, + "Port speed successfully set: %dMbps %s Duplex\n", + 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)); + strlcpy(info->version, DRV_VERSION, sizeof(info->version)); +} + +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 char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = { + {"sig_comp_iv"}, + {"swqe_refill_th"}, + {"port resets"}, + {"Receive errors"}, + {"TCP cksum errors"}, + {"IP cksum errors"}, + {"Frame cksum errors"}, + {"num SQ stopped"}, + {"SQ stopped"}, + {"PR0 free_swqes"}, + {"PR1 free_swqes"}, + {"PR2 free_swqes"}, + {"PR3 free_swqes"}, + {"PR4 free_swqes"}, + {"PR5 free_swqes"}, + {"PR6 free_swqes"}, + {"PR7 free_swqes"}, + {"LRO aggregated"}, + {"LRO flushed"}, + {"LRO no_desc"}, +}; + +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_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(ehea_ethtool_stats_keys); + default: + return -EOPNOTSUPP; + } +} + +static void ehea_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + int i, k, tmp; + struct ehea_port *port = netdev_priv(dev); + + for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++) + data[i] = 0; + i = 0; + + data[i++] = port->sig_comp_iv; + data[i++] = port->port_res[0].swqe_refill_th; + data[i++] = port->resets; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.poll_receive_errors; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.err_tcp_cksum; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.err_ip_cksum; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.err_frame_crc; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.queue_stopped; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp |= port->port_res[k].queue_stopped; + data[i++] = tmp; + + for (k = 0; k < 8; k++) + data[i++] = atomic_read(&port->port_res[k].swqe_avail); + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp |= port->port_res[k].lro_mgr.stats.aggregated; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp |= port->port_res[k].lro_mgr.stats.flushed; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp |= port->port_res[k].lro_mgr.stats.no_desc; + data[i++] = tmp; + +} + +const 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_strings = ehea_get_strings, + .get_sset_count = ehea_get_sset_count, + .get_ethtool_stats = ehea_get_ethtool_stats, + .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/ethernet/ibm/ehea/ehea_hw.h b/drivers/net/ethernet/ibm/ehea/ehea_hw.h new file mode 100644 index 000000000000..567981b4b2cc --- /dev/null +++ b/drivers/net/ethernet/ibm/ehea/ehea_hw.h @@ -0,0 +1,292 @@ +/* + * 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 |