diff options
Diffstat (limited to 'drivers/net/enic/enic_pp.c')
| -rw-r--r-- | drivers/net/enic/enic_pp.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/drivers/net/enic/enic_pp.c b/drivers/net/enic/enic_pp.c deleted file mode 100644 index ffaa75dd1ded..000000000000 --- a/drivers/net/enic/enic_pp.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * 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/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/rtnetlink.h> -#include <net/ip.h> - -#include "vnic_vic.h" -#include "enic_res.h" -#include "enic.h" -#include "enic_dev.h" - -static int enic_set_port_profile(struct enic *enic) -{ - struct net_device *netdev = enic->netdev; - struct vic_provinfo *vp; - const u8 oui[3] = VIC_PROVINFO_CISCO_OUI; - const u16 os_type = htons(VIC_GENERIC_PROV_OS_TYPE_LINUX); - char uuid_str[38]; - char client_mac_str[18]; - u8 *client_mac; - int err; - - if (!(enic->pp.set & ENIC_SET_NAME) || !strlen(enic->pp.name)) - return -EINVAL; - - vp = vic_provinfo_alloc(GFP_KERNEL, oui, - VIC_PROVINFO_GENERIC_TYPE); - if (!vp) - return -ENOMEM; - - VIC_PROVINFO_ADD_TLV(vp, - VIC_GENERIC_PROV_TLV_PORT_PROFILE_NAME_STR, - strlen(enic->pp.name) + 1, enic->pp.name); - - if (!is_zero_ether_addr(enic->pp.mac_addr)) - client_mac = enic->pp.mac_addr; - else - client_mac = netdev->dev_addr; - - VIC_PROVINFO_ADD_TLV(vp, - VIC_GENERIC_PROV_TLV_CLIENT_MAC_ADDR, - ETH_ALEN, client_mac); - - snprintf(client_mac_str, sizeof(client_mac_str), "%pM", client_mac); - VIC_PROVINFO_ADD_TLV(vp, - VIC_GENERIC_PROV_TLV_CLUSTER_PORT_UUID_STR, - sizeof(client_mac_str), client_mac_str); - - if (enic->pp.set & ENIC_SET_INSTANCE) { - sprintf(uuid_str, "%pUB", enic->pp.instance_uuid); - VIC_PROVINFO_ADD_TLV(vp, - VIC_GENERIC_PROV_TLV_CLIENT_UUID_STR, - sizeof(uuid_str), uuid_str); - } - - if (enic->pp.set & ENIC_SET_HOST) { - sprintf(uuid_str, "%pUB", enic->pp.host_uuid); - VIC_PROVINFO_ADD_TLV(vp, - VIC_GENERIC_PROV_TLV_HOST_UUID_STR, - sizeof(uuid_str), uuid_str); - } - - VIC_PROVINFO_ADD_TLV(vp, - VIC_GENERIC_PROV_TLV_OS_TYPE, - sizeof(os_type), &os_type); - - err = enic_dev_status_to_errno(enic_dev_init_prov2(enic, vp)); - -add_tlv_failure: - vic_provinfo_free(vp); - - return err; -} - -static int enic_unset_port_profile(struct enic *enic) -{ - int err; - - err = enic_vnic_dev_deinit(enic); - if (err) - return enic_dev_status_to_errno(err); - - enic_reset_addr_lists(enic); - - return 0; -} - -static int enic_are_pp_different(struct enic_port_profile *pp1, - struct enic_port_profile *pp2) -{ - return strcmp(pp1->name, pp2->name) | !!memcmp(pp1->instance_uuid, - pp2->instance_uuid, PORT_UUID_MAX) | - !!memcmp(pp1->host_uuid, pp2->host_uuid, PORT_UUID_MAX) | - !!memcmp(pp1->mac_addr, pp2->mac_addr, ETH_ALEN); -} - -static int enic_pp_preassociate(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp); -static int enic_pp_disassociate(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp); -static int enic_pp_preassociate_rr(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp); -static int enic_pp_associate(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp); - -static int (*enic_pp_handlers[])(struct enic *enic, - struct enic_port_profile *prev_state, int *restore_pp) = { - [PORT_REQUEST_PREASSOCIATE] = enic_pp_preassociate, - [PORT_REQUEST_PREASSOCIATE_RR] = enic_pp_preassociate_rr, - [PORT_REQUEST_ASSOCIATE] = enic_pp_associate, - [PORT_REQUEST_DISASSOCIATE] = enic_pp_disassociate, -}; - -static const int enic_pp_handlers_count = - sizeof(enic_pp_handlers)/sizeof(*enic_pp_handlers); - -static int enic_pp_preassociate(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp) -{ - return -EOPNOTSUPP; -} - -static int enic_pp_disassociate(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp) -{ - return enic_unset_port_profile(enic); -} - -static int enic_pp_preassociate_rr(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp) -{ - int err; - int active = 0; - - if (enic->pp.request != PORT_REQUEST_ASSOCIATE) { - /* If pre-associate is not part of an associate. - We always disassociate first */ - err = enic_pp_handlers[PORT_REQUEST_DISASSOCIATE](enic, - prev_pp, restore_pp); - if (err) - return err; - - *restore_pp = 0; - } - - *restore_pp = 0; - - err = enic_set_port_profile(enic); - if (err) - return err; - - /* If pre-associate is not part of an associate. */ - if (enic->pp.request != PORT_REQUEST_ASSOCIATE) - err = enic_dev_status_to_errno(enic_dev_enable2(enic, active)); - - return err; -} - -static int enic_pp_associate(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp) -{ - int err; - int active = 1; - - /* Check if a pre-associate was called before */ - if (prev_pp->request != PORT_REQUEST_PREASSOCIATE_RR || - (prev_pp->request == PORT_REQUEST_PREASSOCIATE_RR && - enic_are_pp_different(prev_pp, &enic->pp))) { - err = enic_pp_handlers[PORT_REQUEST_DISASSOCIATE]( - enic, prev_pp, restore_pp); - if (err) - return err; - - *restore_pp = 0; - } - - err = enic_pp_handlers[PORT_REQUEST_PREASSOCIATE_RR]( - enic, prev_pp, restore_pp); - if (err) - return err; - - *restore_pp = 0; - - return enic_dev_status_to_errno(enic_dev_enable2(enic, active)); -} - -int enic_process_set_pp_request(struct enic *enic, - struct enic_port_profile *prev_pp, int *restore_pp) -{ - if (enic->pp.request < enic_pp_handlers_count - && enic_pp_handlers[enic->pp.request]) - return enic_pp_handlers[enic->pp.request](enic, - prev_pp, restore_pp); - else - return -EOPNOTSUPP; -} - -int enic_process_get_pp_request(struct enic *enic, int request, - u16 *response) -{ - int err, status = ERR_SUCCESS; - - switch (request) { - - case PORT_REQUEST_PREASSOCIATE_RR: - case PORT_REQUEST_ASSOCIATE: - err = enic_dev_enable2_done(enic, &status); - break; - - case PORT_REQUEST_DISASSOCIATE: - err = enic_dev_deinit_done(enic, &status); - break; - - default: - return -EINVAL; - } - - if (err) - status = err; - - switch (status) { - case ERR_SUCCESS: - *response = PORT_PROFILE_RESPONSE_SUCCESS; - break; - case ERR_EINVAL: - *response = PORT_PROFILE_RESPONSE_INVALID; - break; - case ERR_EBADSTATE: - *response = PORT_PROFILE_RESPONSE_BADSTATE; - break; - case ERR_ENOMEM: - *response = PORT_PROFILE_RESPONSE_INSUFFICIENT_RESOURCES; - break; - case ERR_EINPROGRESS: - *response = PORT_PROFILE_RESPONSE_INPROGRESS; - break; - default: - *response = PORT_PROFILE_RESPONSE_ERROR; - break; - } - - return 0; -} |