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Message-Id: <1343840975-3252-8-git-send-email-ogerlitz@mellanox.com>
Date: Wed, 1 Aug 2012 20:09:30 +0300
From: Or Gerlitz <ogerlitz@...lanox.com>
To: davem@...emloft.net
Cc: roland@...nel.org, netdev@...r.kernel.org, ali@...lanox.com,
sean.hefty@...el.com, Erez Shitrit <erezsh@...lanox.co.il>,
Or Gerlitz <ogerlitz@...lanox.com>
Subject: [PATCH V2 07/12] net/eipoib: Add private header file
From: Erez Shitrit <erezsh@...lanox.co.il>
The header file includes all structures, macros and non-static
functions which are of use by the driver.
Signed-off-by: Erez Shitrit <erezsh@...lanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
---
drivers/net/eipoib/eth_ipoib.h | 215 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 215 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/eipoib/eth_ipoib.h
diff --git a/drivers/net/eipoib/eth_ipoib.h b/drivers/net/eipoib/eth_ipoib.h
new file mode 100644
index 0000000..9a23f7d
--- /dev/null
+++ b/drivers/net/eipoib/eth_ipoib.h
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) 2012 Mellanox Technologies. All rights reserved
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * openfabric.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 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 _LINUX_ETH_IPOIB_H
+#define _LINUX_ETH_IPOIB_H
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/arp.h>
+#include <linux/if_vlan.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
+#include <linux/if_infiniband.h>
+#include <rdma/ib_verbs.h>
+
+#include <rdma/e_ipoib.h>
+
+/* macros and definitions */
+#define DRV_VERSION "1.0.0"
+#define DRV_RELDATE "June 1, 2012"
+#define DRV_NAME "eth_ipoib"
+#define SDRV_NAME "ipoib"
+#define DRV_DESCRIPTION "IP-over-InfiniBand Para Virtualized Driver"
+#define EIPOIB_ABI_VER 1
+
+#undef pr_fmt
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define GID_LEN 16
+#define GUID_LEN 8
+
+#define PARENT_VLAN_FEATURES (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX)
+
+#define parent_for_each_slave(_parent, slave) \
+ list_for_each_entry(slave, &(_parent)->slave_list, list)\
+
+#define PARENT_IS_OK(_parent) \
+ (((_parent)->dev->flags & IFF_UP) && \
+ netif_running((_parent)->dev) && \
+ ((_parent)->slave_cnt > 0))
+
+#define IS_E_IPOIB_PROTO(_proto) \
+ (((_proto) == htons(ETH_P_ARP)) || \
+ ((_proto) == htons(ETH_P_RARP)) || \
+ ((_proto) == htons(ETH_P_IP)))
+
+enum eipoib_emac_guest_info {
+ VALID,
+ MIGRATED_OUT,
+ INVALID,
+};
+
+/* structs */
+struct eth_arp_data {
+ u8 arp_sha[ETH_ALEN];
+ __be32 arp_sip;
+ u8 arp_dha[ETH_ALEN];
+ __be32 arp_dip;
+} __packed;
+
+struct ipoib_arp_data {
+ u8 arp_sha[INFINIBAND_ALEN];
+ __be32 arp_sip;
+ u8 arp_dha[INFINIBAND_ALEN];
+ __be32 arp_dip;
+} __packed;
+
+/* live migration support structures: */
+struct ip_member {
+ __be32 ip;
+ struct list_head list;
+};
+
+/*
+ * for each slave (emac) saves all the ip over that mac.
+ * the parent keeps that list for live migration.
+ */
+struct guest_emac_info {
+ u8 emac[ETH_ALEN];
+ u16 vlan;
+ struct list_head ip_list;
+ struct list_head list;
+ enum eipoib_emac_guest_info rec_state;
+ int num_of_retries;
+};
+
+struct neigh {
+ struct list_head list;
+ u8 emac[ETH_ALEN];
+ u8 imac[INFINIBAND_ALEN];
+ /* this part is used for neigh_add_list */
+ char cmd[PAGE_SIZE];
+};
+
+struct slave {
+ struct net_device *dev;
+ struct list_head list;
+ u16 pkey;
+ u16 vlan;
+ u8 emac[ETH_ALEN];
+ u8 imac[INFINIBAND_ALEN];
+ struct list_head neigh_list;
+};
+
+struct port_stats {
+ /* update PORT_STATS_LEN (number of stat fields)accordingly */
+ uint64_t tx_parent_dropped;
+ uint64_t tx_vif_miss;
+ uint64_t tx_neigh_miss;
+ uint64_t tx_vlan;
+ uint64_t tx_shared;
+ uint64_t tx_proto_errors;
+ uint64_t tx_skb_errors;
+ uint64_t tx_slave_err;
+
+ uint64_t rx_parent_dropped;
+ uint64_t rx_vif_miss;
+ uint64_t rx_neigh_miss;
+ uint64_t rx_vlan;
+ uint64_t rx_shared;
+ uint64_t rx_proto_errors;
+ uint64_t rx_skb_errors;
+ uint64_t rx_slave_err;
+};
+
+struct parent {
+ struct net_device *dev;
+ int index;
+ struct neigh_parms nparms;
+ struct list_head slave_list;
+ /* never change this value outside the attach/detach wrappers */
+ s32 slave_cnt;
+ rwlock_t lock;
+ struct port_stats port_stats;
+ struct list_head parent_list;
+ u16 flags;
+ struct workqueue_struct *wq;
+ s8 kill_timers;
+ struct delayed_work neigh_learn_work;
+ struct delayed_work vif_learn_work;
+ struct list_head neigh_add_list;
+ union ib_gid gid;
+ char ipoib_main_interface[IFNAMSIZ];
+ /* live migration and bonding support */
+ struct list_head emac_ip_list;
+ struct delayed_work emac_ip_work;
+ struct delayed_work migrate_out_work;
+};
+
+#define eipoib_slave_get_rcu(dev) \
+ ((struct slave *) rcu_dereference(dev->rx_handler_data))
+
+/* name space support for sys/fs */
+struct eipoib_net {
+ struct net *net; /* Associated network namespace */
+ struct class_attribute class_attr_eipoib_interfaces;
+};
+
+/* exported from main.c */
+extern int eipoib_net_id;
+extern struct list_head parent_dev_list;
+
+/* functions prototypes */
+int mod_create_sysfs(struct eipoib_net *eipoib_n);
+void mod_destroy_sysfs(struct eipoib_net *eipoib_n);
+void parent_destroy_sysfs_entry(struct parent *parent);
+int parent_create_sysfs_entry(struct parent *parent);
+int create_slave_symlinks(struct net_device *master,
+ struct net_device *slave);
+void destroy_slave_symlinks(struct net_device *master,
+ struct net_device *slave);
+int parent_enslave(struct net_device *parent_dev,
+ struct net_device *slave_dev);
+int parent_release_slave(struct net_device *parent_dev,
+ struct net_device *slave_dev);
+struct neigh *parent_get_neigh_cmd(char op, char *ifname,
+ u8 *remac, u8 *rimac);
+struct slave *parent_get_vif_cmd(char op, char *ifname, u8 *lemac);
+ssize_t __parent_store_neighs(struct device *d,
+ struct device_attribute *attr,
+ const char *buffer, size_t count);
+void parent_set_ethtool_ops(struct net_device *dev);
+
+#endif /* _LINUX_ETH_IPOIB_H */
--
1.7.1
--
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