diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-13 22:20:35 -0700 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 02:42:06 -0700 |
commit | a6a5580c4d90788d67a77c689d3ab22aa5eecfc3 (patch) | |
tree | 89080daf4b0b4939daadb807f19eca3e977d42cb /drivers/net/ethernet | |
parent | 9aa3283595451ca093500ff0977b106e1f465586 (diff) |
enic: Move the Cisco driver
Move the Cisco driver into drivers/net/ethernet/cisco/ and make the
necessary Kconfig and Makefile changes.
CC: Christian Benvenuti <benve@cisco.com>
CC: Vasanthy Kolluri <vkolluri@cisco.com>
CC: Roopa Prabhu <roprabhu@cisco.com>
CC: David Wang <dwang2@cisco.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet')
36 files changed, 7499 insertions, 0 deletions
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index f23f1b26b64e..18b634e27508 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -17,6 +17,7 @@ source "drivers/net/ethernet/amd/Kconfig" source "drivers/net/ethernet/broadcom/Kconfig" source "drivers/net/ethernet/brocade/Kconfig" source "drivers/net/ethernet/chelsio/Kconfig" +source "drivers/net/ethernet/cisco/Kconfig" source "drivers/net/ethernet/emulex/Kconfig" source "drivers/net/ethernet/neterion/Kconfig" source "drivers/net/ethernet/ibm/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 27e4da658136..288179b3d0c6 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_NET_VENDOR_AMD) += amd/ obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/ obj-$(CONFIG_NET_VENDOR_BROCADE) += brocade/ obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/ +obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/ obj-$(CONFIG_NET_VENDOR_EMULEX) += emulex/ obj-$(CONFIG_NET_VENDOR_EXAR) += neterion/ obj-$(CONFIG_NET_VENDOR_IBM) += ibm/ diff --git a/drivers/net/ethernet/cisco/Kconfig b/drivers/net/ethernet/cisco/Kconfig new file mode 100644 index 000000000000..bbd534880670 --- /dev/null +++ b/drivers/net/ethernet/cisco/Kconfig @@ -0,0 +1,22 @@ +# +# Cisco device configuration +# + +config NET_VENDOR_CISCO + bool "Cisco devices" + depends on PCI && INET + ---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 Cisco cards. If you say Y, you will be asked for + your specific card in the following questions. + +if NET_VENDOR_CISCO + +source "drivers/net/ethernet/cisco/enic/Kconfig" + +endif # NET_VENDOR_CISCO diff --git a/drivers/net/ethernet/cisco/Makefile b/drivers/net/ethernet/cisco/Makefile new file mode 100644 index 000000000000..6c7437bc4a92 --- /dev/null +++ b/drivers/net/ethernet/cisco/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the Cisco device drivers. +# + +obj-$(CONFIG_ENIC) += enic/ diff --git a/drivers/net/ethernet/cisco/enic/Kconfig b/drivers/net/ethernet/cisco/enic/Kconfig new file mode 100644 index 000000000000..9cc706a6cffd --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/Kconfig @@ -0,0 +1,9 @@ +# +# Cisco device configuration +# + +config ENIC + tristate "Cisco VIC Ethernet NIC Support" + depends on PCI && INET + ---help--- + This enables the support for the Cisco VIC Ethernet card. diff --git a/drivers/net/ethernet/cisco/enic/Makefile b/drivers/net/ethernet/cisco/enic/Makefile new file mode 100644 index 000000000000..9d4974bba247 --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/Makefile @@ -0,0 +1,5 @@ +obj-$(CONFIG_ENIC) := enic.o + +enic-y := enic_main.o vnic_cq.o vnic_intr.o vnic_wq.o \ + enic_res.o enic_dev.o enic_pp.o vnic_dev.o vnic_rq.o vnic_vic.o + diff --git a/drivers/net/ethernet/cisco/enic/cq_desc.h b/drivers/net/ethernet/cisco/enic/cq_desc.h new file mode 100644 index 000000000000..d6dd1b4edf6e --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/cq_desc.h @@ -0,0 +1,80 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _CQ_DESC_H_ +#define _CQ_DESC_H_ + +/* + * Completion queue descriptor types + */ +enum cq_desc_types { + CQ_DESC_TYPE_WQ_ENET = 0, + CQ_DESC_TYPE_DESC_COPY = 1, + CQ_DESC_TYPE_WQ_EXCH = 2, + CQ_DESC_TYPE_RQ_ENET = 3, + CQ_DESC_TYPE_RQ_FCP = 4, +}; + +/* Completion queue descriptor: 16B + * + * All completion queues have this basic layout. The + * type_specfic area is unique for each completion + * queue type. + */ +struct cq_desc { + __le16 completed_index; + __le16 q_number; + u8 type_specfic[11]; + u8 type_color; +}; + +#define CQ_DESC_TYPE_BITS 4 +#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1) +#define CQ_DESC_COLOR_MASK 1 +#define CQ_DESC_COLOR_SHIFT 7 +#define CQ_DESC_Q_NUM_BITS 10 +#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1) +#define CQ_DESC_COMP_NDX_BITS 12 +#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1) + +static inline void cq_desc_dec(const struct cq_desc *desc_arg, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + const struct cq_desc *desc = desc_arg; + const u8 type_color = desc->type_color; + + *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK; + + /* + * Make sure color bit is read from desc *before* other fields + * are read from desc. Hardware guarantees color bit is last + * bit (byte) written. Adding the rmb() prevents the compiler + * and/or CPU from reordering the reads which would potentially + * result in reading stale values. + */ + + rmb(); + + *type = type_color & CQ_DESC_TYPE_MASK; + *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK; + *completed_index = le16_to_cpu(desc->completed_index) & + CQ_DESC_COMP_NDX_MASK; +} + +#endif /* _CQ_DESC_H_ */ diff --git a/drivers/net/ethernet/cisco/enic/cq_enet_desc.h b/drivers/net/ethernet/cisco/enic/cq_enet_desc.h new file mode 100644 index 000000000000..c2c0680a1146 --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/cq_enet_desc.h @@ -0,0 +1,185 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _CQ_ENET_DESC_H_ +#define _CQ_ENET_DESC_H_ + +#include "cq_desc.h" + +/* Ethernet completion queue descriptor: 16B */ +struct cq_enet_wq_desc { + __le16 completed_index; + __le16 q_number; + u8 reserved[11]; + u8 type_color; +}; + +static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); +} + +/* Completion queue descriptor: Ethernet receive queue, 16B */ +struct cq_enet_rq_desc { + __le16 completed_index_flags; + __le16 q_number_rss_type_flags; + __le32 rss_hash; + __le16 bytes_written_flags; + __le16 vlan; + __le16 checksum_fcoe; + u8 flags; + u8 type_color; +}; + +#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12) +#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13) +#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15) + +#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \ + ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1) +#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6 + +#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14) + +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14 +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \ + ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1) +#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15) + +#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS 12 +#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_MASK \ + ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS) - 1) +#define CQ_ENET_RQ_DESC_VLAN_TCI_CFI_MASK (0x1 << 12) +#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS 3 +#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_MASK \ + ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS) - 1) +#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_SHIFT 13 + +#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 8 +#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8 +#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8 + +#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1) +#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1) +#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3) +#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6) +#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7) + +static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index, + u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type, + u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error, + u8 *vlan_stripped, u16 *vlan_tci, u16 *checksum, u8 *fcoe_sof, + u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof, + u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok, + u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok) +{ + u16 completed_index_flags; + u16 q_number_rss_type_flags; + u16 bytes_written_flags; + + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); + + completed_index_flags = le16_to_cpu(desc->completed_index_flags); + q_number_rss_type_flags = + le16_to_cpu(desc->q_number_rss_type_flags); + bytes_written_flags = le16_to_cpu(desc->bytes_written_flags); + + *ingress_port = (completed_index_flags & + CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0; + *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ? + 1 : 0; + *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ? + 1 : 0; + *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ? + 1 : 0; + + *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) & + CQ_ENET_RQ_DESC_RSS_TYPE_MASK); + *csum_not_calc = (q_number_rss_type_flags & + CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0; + + *rss_hash = le32_to_cpu(desc->rss_hash); + + *bytes_written = bytes_written_flags & + CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK; + *packet_error = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0; + *vlan_stripped = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0; + + /* + * Tag Control Information(16) = user_priority(3) + cfi(1) + vlan(12) + */ + *vlan_tci = le16_to_cpu(desc->vlan); + + if (*fcoe) { + *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) & + CQ_ENET_RQ_DESC_FCOE_SOF_MASK); + *fcoe_fc_crc_ok = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0; + *fcoe_enc_error = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0; + *fcoe_eof = (u8)((desc->checksum_fcoe >> + CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) & + CQ_ENET_RQ_DESC_FCOE_EOF_MASK); + *checksum = 0; + } else { + *fcoe_sof = 0; + *fcoe_fc_crc_ok = 0; + *fcoe_enc_error = 0; + *fcoe_eof = 0; + *checksum = le16_to_cpu(desc->checksum_fcoe); + } + + *tcp_udp_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0; + *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0; + *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0; + *ipv4_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0; + *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0; + *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0; + *ipv4_fragment = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0; + *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0; +} + +#endif /* _CQ_ENET_DESC_H_ */ diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h new file mode 100644 index 000000000000..ce76d9a8ca6e --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/enic.h @@ -0,0 +1,124 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _ENIC_H_ +#define _ENIC_H_ + +#include "vnic_enet.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "vnic_nic.h" +#include "vnic_rss.h" + +#define DRV_NAME "enic" +#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" +#define DRV_VERSION "2.1.1.24" +#define DRV_COPYRIGHT "Copyright 2008-2011 Cisco Systems, Inc" + +#define ENIC_BARS_MAX 6 + +#define ENIC_WQ_MAX 1 +#define ENIC_RQ_MAX 1 +#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) +#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) + +struct enic_msix_entry { + int requested; + char devname[IFNAMSIZ]; + irqreturn_t (*isr)(int, void *); + void *devid; +}; + +#define ENIC_PORT_REQUEST_APPLIED (1 << 0) +#define ENIC_SET_REQUEST (1 << 1) +#define ENIC_SET_NAME (1 << 2) +#define ENIC_SET_INSTANCE (1 << 3) +#define ENIC_SET_HOST (1 << 4) + +struct enic_port_profile { + u32 set; + u8 request; + char name[PORT_PROFILE_MAX]; + u8 instance_uuid[PORT_UUID_MAX]; + u8 host_uuid[PORT_UUID_MAX]; + u8 vf_mac[ETH_ALEN]; + u8 mac_addr[ETH_ALEN]; +}; + +/* Per-instance private data structure */ +struct enic { + struct net_device *netdev; + struct pci_dev *pdev; + struct vnic_enet_config config; + struct vnic_dev_bar bar[ENIC_BARS_MAX]; + struct vnic_dev *vdev; + struct timer_list notify_timer; + struct work_struct reset; + struct work_struct change_mtu_work; + struct msix_entry msix_entry[ENIC_INTR_MAX]; + struct enic_msix_entry msix[ENIC_INTR_MAX]; + u32 msg_enable; + spinlock_t devcmd_lock; + u8 mac_addr[ETH_ALEN]; + u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; + u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN]; + unsigned int flags; + unsigned int mc_count; + unsigned int uc_count; + u32 port_mtu; + u32 rx_coalesce_usecs; + u32 tx_coalesce_usecs; + struct enic_port_profile pp; + + /* work queue cache line section */ + ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX]; + spinlock_t wq_lock[ENIC_WQ_MAX]; + unsigned int wq_count; + u16 loop_enable; + u16 loop_tag; + + /* receive queue cache line section */ + ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX]; + unsigned int rq_count; + u64 rq_truncated_pkts; + u64 rq_bad_fcs; + struct napi_struct napi[ENIC_RQ_MAX]; + + /* interrupt resource cache line section */ + ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX]; + unsigned int intr_count; + u32 __iomem *legacy_pba; /* memory-mapped */ + + /* completion queue cache line section */ + ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX]; + unsigned int cq_count; +}; + +static inline struct device *enic_get_dev(struct enic *enic) +{ + return &(enic->pdev->dev); +} + +void enic_reset_addr_lists(struct enic *enic); + +#endif /* _ENIC_H_ */ diff --git a/drivers/net/ethernet/cisco/enic/enic_dev.c b/drivers/net/ethernet/cisco/enic/enic_dev.c new file mode 100644 index 000000000000..fd6247b3c0ee --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/enic_dev.c @@ -0,0 +1,286 @@ +/* + * Copyright 2011 Cisco Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include <linux/pci.h> +#include <linux/etherdevice.h> + +#include "vnic_dev.h" +#include "vnic_vic.h" +#include "enic_res.h" +#include "enic.h" +#include "enic_dev.h" + +int enic_dev_fw_info(struct enic *enic, struct vnic_devcmd_fw_info **fw_info) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_fw_info(enic->vdev, fw_info); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_stats_dump(struct enic *enic, struct vnic_stats **vstats) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_stats_dump(enic->vdev, vstats); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_add_station_addr(struct enic *enic) +{ + int err; + + if (!is_valid_ether_addr(enic->netdev->dev_addr)) + return -EADDRNOTAVAIL; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_add_addr(enic->vdev, enic->netdev->dev_addr); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_del_station_addr(struct enic *enic) +{ + int err; + + if (!is_valid_ether_addr(enic->netdev->dev_addr)) + return -EADDRNOTAVAIL; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_del_addr(enic->vdev, enic->netdev->dev_addr); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_packet_filter(struct enic *enic, int directed, int multicast, + int broadcast, int promisc, int allmulti) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_packet_filter(enic->vdev, directed, + multicast, broadcast, promisc, allmulti); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_add_addr(struct enic *enic, u8 *addr) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_add_addr(enic->vdev, addr); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_del_addr(struct enic *enic, u8 *addr) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_del_addr(enic->vdev, addr); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_notify_unset(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_notify_unset(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_hang_notify(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_hang_notify(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev, + IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_enable(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_enable_wait(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_disable(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_disable(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_intr_coal_timer_info(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_intr_coal_timer_info(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_vnic_dev_deinit(struct enic *enic) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_deinit(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_init_prov2(struct enic *enic, struct vic_provinfo *vp) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_init_prov2(enic->vdev, + (u8 *)vp, vic_provinfo_size(vp)); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_deinit_done(struct enic *enic, int *status) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_deinit_done(enic->vdev, status); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +/* rtnl lock is held */ +void enic_vlan_rx_add_vid(struct net_device *netdev, u16 vid) +{ + struct enic *enic = netdev_priv(netdev); + + spin_lock(&enic->devcmd_lock); + enic_add_vlan(enic, vid); + spin_unlock(&enic->devcmd_lock); +} + +/* rtnl lock is held */ +void enic_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) +{ + struct enic *enic = netdev_priv(netdev); + + spin_lock(&enic->devcmd_lock); + enic_del_vlan(enic, vid); + spin_unlock(&enic->devcmd_lock); +} + +int enic_dev_enable2(struct enic *enic, int active) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_enable2(enic->vdev, active); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_enable2_done(struct enic *enic, int *status) +{ + int err; + + spin_lock(&enic->devcmd_lock); + err = vnic_dev_enable2_done(enic->vdev, status); + spin_unlock(&enic->devcmd_lock); + + return err; +} + +int enic_dev_status_to_errno(int devcmd_status) +{ + switch (devcmd_status) { + case ERR_SUCCESS: + return 0; + case ERR_EINVAL: + return -EINVAL; + case ERR_EFAULT: + return -EFAULT; + case ERR_EPERM: + return -EPERM; + case ERR_EBUSY: + return -EBUSY; + case ERR_ECMDUNKNOWN: + case ERR_ENOTSUPPORTED: + return -EOPNOTSUPP; + case ERR_EBADSTATE: + return -EINVAL; + case ERR_ENOMEM: + return -ENOMEM; + case ERR_ETIMEDOUT: + return -ETIMEDOUT; + case ERR_ELINKDOWN: + return -ENETDOWN; + case ERR_EINPROGRESS: + return -EINPROGRESS; + case ERR_EMAXRES: + default: + return (devcmd_status < 0) ? devcmd_status : -1; + } +} diff --git a/drivers/net/ethernet/cisco/enic/enic_dev.h b/drivers/net/ethernet/cisco/enic/enic_dev.h new file mode 100644 index 000000000000..ff8e87fdfc1d --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/enic_dev.h @@ -0,0 +1,45 @@ +/* + * Copyright 2011 Cisco Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * |