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Commit 5647263c authored by Tatyana Nikolova's avatar Tatyana Nikolova Committed by Roland Dreier
Browse files

RDMA/nes: Add support for iWARP Port Mapper user space service 



Signed-off-by: default avatarTatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 30dc5e63

drivers/infiniband/hw/nes/nes.c

+24 −1
Original line number Diff line number Diff line
@@ -68,7 +68,6 @@ MODULE_VERSION(DRV_VERSION); 
int max_mtu = 9000;

int interrupt_mod_interval = 0;





/* Interoperability */

int mpa_version = 1;

module_param(mpa_version, int, 0644);
@@ -112,6 +111,16 @@ static struct pci_device_id nes_pci_table[] = { 


MODULE_DEVICE_TABLE(pci, nes_pci_table);



/* registered nes netlink callbacks */

static struct ibnl_client_cbs nes_nl_cb_table[] = {

	[RDMA_NL_IWPM_REG_PID] = {.dump = iwpm_register_pid_cb},

	[RDMA_NL_IWPM_ADD_MAPPING] = {.dump = iwpm_add_mapping_cb},

	[RDMA_NL_IWPM_QUERY_MAPPING] = {.dump = iwpm_add_and_query_mapping_cb},

	[RDMA_NL_IWPM_HANDLE_ERR] = {.dump = iwpm_mapping_error_cb},

	[RDMA_NL_IWPM_MAPINFO] = {.dump = iwpm_mapping_info_cb},

	[RDMA_NL_IWPM_MAPINFO_NUM] = {.dump = iwpm_ack_mapping_info_cb}

};



static int nes_inetaddr_event(struct notifier_block *, unsigned long, void *);

static int nes_net_event(struct notifier_block *, unsigned long, void *);

static int nes_notifiers_registered;
@@ -672,6 +681,17 @@ static int nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) 
	}

	nes_notifiers_registered++;



	if (ibnl_add_client(RDMA_NL_NES, RDMA_NL_IWPM_NUM_OPS, nes_nl_cb_table))

		printk(KERN_ERR PFX "%s[%u]: Failed to add netlink callback\n",

			__func__, __LINE__);



	ret = iwpm_init(RDMA_NL_NES);

	if (ret) {

		printk(KERN_ERR PFX "%s: port mapper initialization failed\n",

				pci_name(pcidev));

		goto bail7;

	}



	INIT_DELAYED_WORK(&nesdev->work, nes_recheck_link_status);



	/* Initialize network devices */
@@ -710,6 +730,7 @@ static int nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) 


	nes_debug(NES_DBG_INIT, "netdev_count=%d, nesadapter->netdev_count=%d\n",

			nesdev->netdev_count, nesdev->nesadapter->netdev_count);

	ibnl_remove_client(RDMA_NL_NES);



	nes_notifiers_registered--;

	if (nes_notifiers_registered == 0) {
@@ -773,6 +794,8 @@ static void nes_remove(struct pci_dev *pcidev) 
				nesdev->nesadapter->netdev_count--;

			}

		}

	ibnl_remove_client(RDMA_NL_NES);

	iwpm_exit(RDMA_NL_NES);



	nes_notifiers_registered--;

	if (nes_notifiers_registered == 0) {

drivers/infiniband/hw/nes/nes.h

+3 −0
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ 
#include <rdma/ib_pack.h>

#include <rdma/rdma_cm.h>

#include <rdma/iw_cm.h>

#include <rdma/rdma_netlink.h>

#include <rdma/iw_portmap.h>



#define NES_SEND_FIRST_WRITE
@@ -130,6 +132,7 @@ 
#define NES_DBG_IW_TX       0x00040000

#define NES_DBG_SHUTDOWN    0x00080000

#define NES_DBG_PAU         0x00100000

#define NES_DBG_NLMSG       0x00200000

#define NES_DBG_RSVD1       0x10000000

#define NES_DBG_RSVD2       0x20000000

#define NES_DBG_RSVD3       0x40000000

drivers/infiniband/hw/nes/nes_cm.c

+260 −60

File changed.

Preview size limit exceeded, changes collapsed.

drivers/infiniband/hw/nes/nes_cm.h

+9 −3
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.

 * Copyright (c) 2006 - 2014 Intel Corporation.  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
@@ -293,8 +293,8 @@ struct nes_cm_listener { 
	struct list_head           list;

	struct nes_cm_core         *cm_core;

	u8                         loc_mac[ETH_ALEN];

	nes_addr_t                 loc_addr;

	u16                        loc_port;

	nes_addr_t                 loc_addr, mapped_loc_addr;

	u16                        loc_port, mapped_loc_port;

	struct iw_cm_id            *cm_id;

	enum nes_cm_conn_type      conn_type;

	atomic_t                   ref_count;
@@ -308,7 +308,9 @@ struct nes_cm_listener { 
/* per connection node and node state information */

struct nes_cm_node {

	nes_addr_t                loc_addr, rem_addr;

	nes_addr_t                mapped_loc_addr, mapped_rem_addr;

	u16                       loc_port, rem_port;

	u16                       mapped_loc_port, mapped_rem_port;



	u8                        loc_mac[ETH_ALEN];

	u8                        rem_mac[ETH_ALEN];
@@ -364,6 +366,10 @@ struct nes_cm_info { 
	u16 rem_port;

	nes_addr_t loc_addr;

	nes_addr_t rem_addr;

	u16 mapped_loc_port;

	u16 mapped_rem_port;

	nes_addr_t mapped_loc_addr;

	nes_addr_t mapped_rem_addr;



	enum nes_cm_conn_type  conn_type;

	int backlog;