diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-13 22:20:35 -0700 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 02:42:06 -0700 |
commit | a6a5580c4d90788d67a77c689d3ab22aa5eecfc3 (patch) | |
tree | 89080daf4b0b4939daadb807f19eca3e977d42cb /drivers/net/enic/enic_res.c | |
parent | 9aa3283595451ca093500ff0977b106e1f465586 (diff) | |
download | op-kernel-dev-a6a5580c4d90788d67a77c689d3ab22aa5eecfc3.zip op-kernel-dev-a6a5580c4d90788d67a77c689d3ab22aa5eecfc3.tar.gz |
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/enic/enic_res.c')
-rw-r--r-- | drivers/net/enic/enic_res.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/drivers/net/enic/enic_res.c b/drivers/net/enic/enic_res.c deleted file mode 100644 index 4a35367..0000000 --- a/drivers/net/enic/enic_res.c +++ /dev/null @@ -1,384 +0,0 @@ -/* - * 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. - * - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/netdevice.h> - -#include "wq_enet_desc.h" -#include "rq_enet_desc.h" -#include "cq_enet_desc.h" -#include "vnic_resource.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" -#include "enic_res.h" -#include "enic.h" - -int enic_get_vnic_config(struct enic *enic) -{ - struct vnic_enet_config *c = &enic->config; - int err; - - err = vnic_dev_mac_addr(enic->vdev, enic->mac_addr); - if (err) { - dev_err(enic_get_dev(enic), - "Error getting MAC addr, %d\n", err); - return err; - } - -#define GET_CONFIG(m) \ - do { \ - err = vnic_dev_spec(enic->vdev, \ - offsetof(struct vnic_enet_config, m), \ - sizeof(c->m), &c->m); \ - if (err) { \ - dev_err(enic_get_dev(enic), \ - "Error getting %s, %d\n", #m, err); \ - return err; \ - } \ - } while (0) - - GET_CONFIG(flags); - GET_CONFIG(wq_desc_count); - GET_CONFIG(rq_desc_count); - GET_CONFIG(mtu); - GET_CONFIG(intr_timer_type); - GET_CONFIG(intr_mode); - GET_CONFIG(intr_timer_usec); - GET_CONFIG(loop_tag); - - c->wq_desc_count = - min_t(u32, ENIC_MAX_WQ_DESCS, - max_t(u32, ENIC_MIN_WQ_DESCS, - c->wq_desc_count)); - c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ - - c->rq_desc_count = - min_t(u32, ENIC_MAX_RQ_DESCS, - max_t(u32, ENIC_MIN_RQ_DESCS, - c->rq_desc_count)); - c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ - - if (c->mtu == 0) - c->mtu = 1500; - c->mtu = min_t(u16, ENIC_MAX_MTU, - max_t(u16, ENIC_MIN_MTU, - c->mtu)); - - c->intr_timer_usec = min_t(u32, c->intr_timer_usec, - vnic_dev_get_intr_coal_timer_max(enic->vdev)); - - dev_info(enic_get_dev(enic), - "vNIC MAC addr %pM wq/rq %d/%d mtu %d\n", - enic->mac_addr, c->wq_desc_count, c->rq_desc_count, c->mtu); - - dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s " - "tso/lro %s/%s rss %s intr mode %s type %s timer %d usec " - "loopback tag 0x%04x\n", - ENIC_SETTING(enic, TXCSUM) ? "yes" : "no", - ENIC_SETTING(enic, RXCSUM) ? "yes" : "no", - ENIC_SETTING(enic, TSO) ? "yes" : "no", - ENIC_SETTING(enic, LRO) ? "yes" : "no", - ENIC_SETTING(enic, RSS) ? "yes" : "no", - c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" : - c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" : - c->intr_mode == VENET_INTR_MODE_ANY ? "any" : - "unknown", - c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" : - c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" : - "unknown", - c->intr_timer_usec, - c->loop_tag); - - return 0; -} - -int enic_add_vlan(struct enic *enic, u16 vlanid) -{ - u64 a0 = vlanid, a1 = 0; - int wait = 1000; - int err; - - err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait); - if (err) - dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err); - - return err; -} - -int enic_del_vlan(struct enic *enic, u16 vlanid) -{ - u64 a0 = vlanid, a1 = 0; - int wait = 1000; - int err; - - err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait); - if (err) - dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err); - - return err; -} - -int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, - u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, - u8 ig_vlan_strip_en) -{ - u64 a0, a1; - u32 nic_cfg; - int wait = 1000; - - vnic_set_nic_cfg(&nic_cfg, rss_default_cpu, - rss_hash_type, rss_hash_bits, rss_base_cpu, - rss_enable, tso_ipid_split_en, ig_vlan_strip_en); - - a0 = nic_cfg; - a1 = 0; - - return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait); -} - -int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len) -{ - u64 a0 = (u64)key_pa, a1 = len; - int wait = 1000; - - return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait); -} - -int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len) -{ - u64 a0 = (u64)cpu_pa, a1 = len; - int wait = 1000; - - return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait); -} - -void enic_free_vnic_resources(struct enic *enic) -{ - unsigned int i; - - for (i = 0; i < enic->wq_count; i++) - vnic_wq_free(&enic->wq[i]); - for (i = 0; i < enic->rq_count; i++) - vnic_rq_free(&enic->rq[i]); - for (i = 0; i < enic->cq_count; i++) - vnic_cq_free(&enic->cq[i]); - for (i = 0; i < enic->intr_count; i++) - vnic_intr_free(&enic->intr[i]); -} - -void enic_get_res_counts(struct enic *enic) -{ - enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ); - enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ); - enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ); - enic->intr_count = vnic_dev_get_res_count(enic->vdev, - RES_TYPE_INTR_CTRL); - - dev_info(enic_get_dev(enic), - "vNIC resources avail: wq %d rq %d cq %d intr %d\n", - enic->wq_count, enic->rq_count, - enic->cq_count, enic->intr_count); -} - -void enic_init_vnic_resources(struct enic *enic) -{ - enum vnic_dev_intr_mode intr_mode; - unsigned int mask_on_assertion; - unsigned int interrupt_offset; - unsigned int error_interrupt_enable; - unsigned int error_interrupt_offset; - unsigned int cq_index; - unsigned int i; - - intr_mode = vnic_dev_get_intr_mode(enic->vdev); - - /* Init RQ/WQ resources. - * - * RQ[0 - n-1] point to CQ[0 - n-1] - * WQ[0 - m-1] point to CQ[n - n+m-1] - * - * Error interrupt is not enabled for MSI. - */ - - switch (intr_mode) { - case VNIC_DEV_INTR_MODE_INTX: - case VNIC_DEV_INTR_MODE_MSIX: - error_interrupt_enable = 1; - error_interrupt_offset = enic->intr_count - 2; - break; - default: - error_interrupt_enable = 0; - error_interrupt_offset = 0; - break; - } - - for (i = 0; i < enic->rq_count; i++) { - cq_index = i; - vnic_rq_init(&enic->rq[i], - cq_index, - error_interrupt_enable, - error_interrupt_offset); - } - - for (i = 0; i < enic->wq_count; i++) { - cq_index = enic->rq_count + i; - vnic_wq_init(&enic->wq[i], - cq_index, - error_interrupt_enable, - error_interrupt_offset); - } - - /* Init CQ resources - * - * CQ[0 - n+m-1] point to INTR[0] for INTx, MSI - * CQ[0 - n+m-1] point to INTR[0 - n+m-1] for MSI-X - */ - - for (i = 0; i < enic->cq_count; i++) { - - switch (intr_mode) { - case VNIC_DEV_INTR_MODE_MSIX: - interrupt_offset = i; - break; - default: - interrupt_offset = 0; - break; - } - - vnic_cq_init(&enic->cq[i], - 0 /* flow_control_enable */, - 1 /* color_enable */, - 0 /* cq_head */, - 0 /* cq_tail */, - 1 /* cq_tail_color */, - 1 /* interrupt_enable */, - 1 /* cq_entry_enable */, - 0 /* cq_message_enable */, - interrupt_offset, - 0 /* cq_message_addr */); - } - - /* Init INTR resources - * - * mask_on_assertion is not used for INTx due to the level- - * triggered nature of INTx - */ - - switch (intr_mode) { - case VNIC_DEV_INTR_MODE_MSI: - case VNIC_DEV_INTR_MODE_MSIX: - mask_on_assertion = 1; - break; - default: - mask_on_assertion = 0; - break; - } - - for (i = 0; i < enic->intr_count; i++) { - vnic_intr_init(&enic->intr[i], - enic->config.intr_timer_usec, - enic->config.intr_timer_type, - mask_on_assertion); - } -} - -int enic_alloc_vnic_resources(struct enic *enic) -{ - enum vnic_dev_intr_mode intr_mode; - unsigned int i; - int err; - - intr_mode = vnic_dev_get_intr_mode(enic->vdev); - - dev_info(enic_get_dev(enic), "vNIC resources used: " - "wq %d rq %d cq %d intr %d intr mode %s\n", - enic->wq_count, enic->rq_count, - enic->cq_count, enic->intr_count, - intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" : - intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" : - intr_mode == VNIC_DEV_INTR_MODE_MSIX ? "MSI-X" : - "unknown"); - - /* Allocate queue resources - */ - - for (i = 0; i < enic->wq_count; i++) { - err = vnic_wq_alloc(enic->vdev, &enic->wq[i], i, - enic->config.wq_desc_count, - sizeof(struct wq_enet_desc)); - if (err) - goto err_out_cleanup; - } - - for (i = 0; i < enic->rq_count; i++) { - err = vnic_rq_alloc(enic->vdev, &enic->rq[i], i, - enic->config.rq_desc_count, - sizeof(struct rq_enet_desc)); - if (err) - goto err_out_cleanup; - } - - for (i = 0; i < enic->cq_count; i++) { - if (i < enic->rq_count) - err = vnic_cq_alloc(enic->vdev, &enic->cq[i], i, - enic->config.rq_desc_count, - sizeof(struct cq_enet_rq_desc)); - else - err = vnic_cq_alloc(enic->vdev, &enic->cq[i], i, - enic->config.wq_desc_count, - sizeof(struct cq_enet_wq_desc)); - if (err) - goto err_out_cleanup; - } - - for (i = 0; i < enic->intr_count; i++) { - err = vnic_intr_alloc(enic->vdev, &enic->intr[i], i); - if (err) - goto err_out_cleanup; - } - - /* Hook remaining resource - */ - - enic->legacy_pba = vnic_dev_get_res(enic->vdev, - RES_TYPE_INTR_PBA_LEGACY, 0); - if (!enic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) { - dev_err(enic_get_dev(enic), - "Failed to hook legacy pba resource\n"); - err = -ENODEV; - goto err_out_cleanup; - } - - return 0; - -err_out_cleanup: - enic_free_vnic_resources(enic); - - return err; -} |