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 vnic_dev.o vnic_rq.o vnic_vic.o
+ enic_res.o enic_dev.o enic_pp.o vnic_dev.o vnic_rq.o vnic_vic.o
#define DRV_NAME "enic"
#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
-#define DRV_VERSION "2.1.1.12"
+#define DRV_VERSION "2.1.1.13"
#define DRV_COPYRIGHT "Copyright 2008-2011 Cisco Systems, Inc"
#define ENIC_BARS_MAX 6
return &(enic->pdev->dev);
}
+void enic_reset_addr_lists(struct enic *enic);
+
#endif /* _ENIC_H_ */
#include "enic_res.h"
#include "enic.h"
#include "enic_dev.h"
+#include "enic_pp.h"
#define ENIC_NOTIFY_TIMER_PERIOD (2 * HZ)
#define WQ_ENET_MAX_DESC_LEN (1 << WQ_ENET_LEN_BITS)
return net_stats;
}
-static void enic_reset_addr_lists(struct enic *enic)
+void enic_reset_addr_lists(struct enic *enic)
{
enic->mc_count = 0;
enic->uc_count = 0;
return -EINVAL;
}
-static int enic_set_port_profile(struct enic *enic, u8 *mac)
-{
- struct vic_provinfo *vp;
- u8 oui[3] = VIC_PROVINFO_CISCO_OUI;
- u16 os_type = VIC_GENERIC_PROV_OS_TYPE_LINUX;
- char uuid_str[38];
- char client_mac_str[18];
- u8 *client_mac;
- int err;
-
- err = enic_vnic_dev_deinit(enic);
- if (err)
- return err;
-
- enic_reset_addr_lists(enic);
-
- switch (enic->pp.request) {
-
- case PORT_REQUEST_ASSOCIATE:
-
- if (!(enic->pp.set & ENIC_SET_NAME) || !strlen(enic->pp.name))
- return -EINVAL;
-
- if (!is_valid_ether_addr(mac))
- return -EADDRNOTAVAIL;
-
- 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 = mac;
-
- vic_provinfo_add_tlv(vp,
- VIC_GENERIC_PROV_TLV_CLIENT_MAC_ADDR,
- ETH_ALEN, client_mac);
-
- sprintf(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);
- }
-
- os_type = htons(os_type);
- vic_provinfo_add_tlv(vp,
- VIC_GENERIC_PROV_TLV_OS_TYPE,
- sizeof(os_type), &os_type);
-
- err = enic_dev_init_prov(enic, vp);
- vic_provinfo_free(vp);
- if (err)
- return err;
- break;
-
- case PORT_REQUEST_DISASSOCIATE:
- break;
-
- default:
- return -EINVAL;
- }
-
- /* Set flag to indicate that the port assoc/disassoc
- * request has been sent out to fw
- */
- enic->pp.set |= ENIC_PORT_REQUEST_APPLIED;
-
- return 0;
-}
-
static int enic_set_vf_port(struct net_device *netdev, int vf,
struct nlattr *port[])
{
struct enic *enic = netdev_priv(netdev);
- struct enic_port_profile new_pp;
- int err = 0;
+ struct enic_port_profile prev_pp;
+ int err = 0, restore_pp = 1;
- memset(&new_pp, 0, sizeof(new_pp));
+ /* don't support VFs, yet */
+ if (vf != PORT_SELF_VF)
+ return -EOPNOTSUPP;
- if (port[IFLA_PORT_REQUEST]) {
- new_pp.set |= ENIC_SET_REQUEST;
- new_pp.request = nla_get_u8(port[IFLA_PORT_REQUEST]);
- }
+ if (!port[IFLA_PORT_REQUEST])
+ return -EOPNOTSUPP;
+
+ memcpy(&prev_pp, &enic->pp, sizeof(enic->pp));
+ memset(&enic->pp, 0, sizeof(enic->pp));
+
+ enic->pp.set |= ENIC_SET_REQUEST;
+ enic->pp.request = nla_get_u8(port[IFLA_PORT_REQUEST]);
if (port[IFLA_PORT_PROFILE]) {
- new_pp.set |= ENIC_SET_NAME;
- memcpy(new_pp.name, nla_data(port[IFLA_PORT_PROFILE]),
+ enic->pp.set |= ENIC_SET_NAME;
+ memcpy(enic->pp.name, nla_data(port[IFLA_PORT_PROFILE]),
PORT_PROFILE_MAX);
}
if (port[IFLA_PORT_INSTANCE_UUID]) {
- new_pp.set |= ENIC_SET_INSTANCE;
- memcpy(new_pp.instance_uuid,
+ enic->pp.set |= ENIC_SET_INSTANCE;
+ memcpy(enic->pp.instance_uuid,
nla_data(port[IFLA_PORT_INSTANCE_UUID]), PORT_UUID_MAX);
}
if (port[IFLA_PORT_HOST_UUID]) {
- new_pp.set |= ENIC_SET_HOST;
- memcpy(new_pp.host_uuid,
+ enic->pp.set |= ENIC_SET_HOST;
+ memcpy(enic->pp.host_uuid,
nla_data(port[IFLA_PORT_HOST_UUID]), PORT_UUID_MAX);
}
- /* don't support VFs, yet */
- if (vf != PORT_SELF_VF)
- return -EOPNOTSUPP;
-
- if (!(new_pp.set & ENIC_SET_REQUEST))
- return -EOPNOTSUPP;
-
- if (new_pp.request == PORT_REQUEST_ASSOCIATE) {
- /* Special case handling */
- if (!is_zero_ether_addr(enic->pp.vf_mac))
- memcpy(new_pp.mac_addr, enic->pp.vf_mac, ETH_ALEN);
+ /* Special case handling: mac came from IFLA_VF_MAC */
+ if (!is_zero_ether_addr(prev_pp.vf_mac))
+ memcpy(enic->pp.mac_addr, prev_pp.vf_mac, ETH_ALEN);
if (is_zero_ether_addr(netdev->dev_addr))
random_ether_addr(netdev->dev_addr);
- }
- memcpy(&enic->pp, &new_pp, sizeof(struct enic_port_profile));
+ err = enic_process_set_pp_request(enic, &prev_pp, &restore_pp);
+ if (err) {
+ if (restore_pp) {
+ /* Things are still the way they were: Implicit
+ * DISASSOCIATE failed
+ */
+ memcpy(&enic->pp, &prev_pp, sizeof(enic->pp));
+ } else {
+ memset(&enic->pp, 0, sizeof(enic->pp));
+ memset(netdev->dev_addr, 0, ETH_ALEN);
+ }
+ } else {
+ /* Set flag to indicate that the port assoc/disassoc
+ * request has been sent out to fw
+ */
+ enic->pp.set |= ENIC_PORT_REQUEST_APPLIED;
- err = enic_set_port_profile(enic, netdev->dev_addr);
- if (err)
- goto set_port_profile_cleanup;
+ /* If DISASSOCIATE, clean up all assigned/saved macaddresses */
+ if (enic->pp.request == PORT_REQUEST_DISASSOCIATE) {
+ memset(enic->pp.mac_addr, 0, ETH_ALEN);
+ memset(netdev->dev_addr, 0, ETH_ALEN);
+ }
+ }
-set_port_profile_cleanup:
memset(enic->pp.vf_mac, 0, ETH_ALEN);
- if (err || enic->pp.request == PORT_REQUEST_DISASSOCIATE) {
- memset(netdev->dev_addr, 0, ETH_ALEN);
- memset(enic->pp.mac_addr, 0, ETH_ALEN);
- }
-
return err;
}
struct sk_buff *skb)
{
struct enic *enic = netdev_priv(netdev);
- int err, error, done;
u16 response = PORT_PROFILE_RESPONSE_SUCCESS;
+ int err;
if (!(enic->pp.set & ENIC_PORT_REQUEST_APPLIED))
return -ENODATA;
- err = enic_dev_init_done(enic, &done, &error);
+ err = enic_process_get_pp_request(enic, enic->pp.request, &response);
if (err)
- error = err;
-
- switch (error) {
- case ERR_SUCCESS:
- if (!done)
- response = PORT_PROFILE_RESPONSE_INPROGRESS;
- 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;
- default:
- response = PORT_PROFILE_RESPONSE_ERROR;
- break;
- }
+ return err;
NLA_PUT_U16(skb, IFLA_PORT_REQUEST, enic->pp.request);
NLA_PUT_U16(skb, IFLA_PORT_RESPONSE, response);
--- /dev/null
+/*
+ * 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;
+}
--- /dev/null
+/*
+ * 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.
+ *
+ */
+
+#ifndef _ENIC_PP_H_
+#define _ENIC_PP_H_
+
+int enic_process_set_pp_request(struct enic *enic,
+ struct enic_port_profile *prev_pp, int *restore_pp);
+int enic_process_get_pp_request(struct enic *enic, int request,
+ u16 *response);
+
+#endif /* _ENIC_PP_H_ */
git.openpandora.org / pandora-kernel.git / commitdiff