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

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Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Tatyana Nikolova 2014-03-26 17:07:57 -05:00 committed by Roland Dreier
parent 30dc5e63d6
commit 5647263cb1
4 changed files with 296 additions and 64 deletions
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25
drivers/infiniband/hw/nes/nes.c
View file

@ -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) {

3
drivers/infiniband/hw/nes/nes.h
View file

@ -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

320
drivers/infiniband/hw/nes/nes_cm.c
View file

@ -1,5 +1,5 @@
/*
* 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
@ -59,6 +59,7 @@
#include <net/route.h>
#include <net/ip_fib.h>
#include <net/tcp.h>
#include <linux/fcntl.h>
#include "nes.h"
@ -166,7 +167,6 @@ int nes_rem_ref_cm_node(struct nes_cm_node *cm_node)
{
return rem_ref_cm_node(cm_node->cm_core, cm_node);
}
/**
* create_event
*/
@ -482,11 +482,11 @@ static void form_cm_frame(struct sk_buff *skb,
iph->ttl = 0x40;
iph->protocol = 0x06; /* IPPROTO_TCP */
iph->saddr = htonl(cm_node->loc_addr);
iph->daddr = htonl(cm_node->rem_addr);
iph->saddr = htonl(cm_node->mapped_loc_addr);
iph->daddr = htonl(cm_node->mapped_rem_addr);
tcph->source = htons(cm_node->loc_port);
tcph->dest = htons(cm_node->rem_port);
tcph->source = htons(cm_node->mapped_loc_port);
tcph->dest = htons(cm_node->mapped_rem_port);
tcph->seq = htonl(cm_node->tcp_cntxt.loc_seq_num);
if (flags & SET_ACK) {
@ -525,6 +525,100 @@ static void form_cm_frame(struct sk_buff *skb,
cm_packets_created++;
}
/*
* nes_create_sockaddr - Record ip addr and tcp port in a sockaddr struct
*/
static void nes_create_sockaddr(__be32 ip_addr, __be16 port,
struct sockaddr_storage *addr)
{
struct sockaddr_in *nes_sockaddr = (struct sockaddr_in *)addr;
nes_sockaddr->sin_family = AF_INET;
memcpy(&nes_sockaddr->sin_addr.s_addr, &ip_addr, sizeof(__be32));
nes_sockaddr->sin_port = port;
}
/*
* nes_create_mapinfo - Create a mapinfo object in the port mapper data base
*/
static int nes_create_mapinfo(struct nes_cm_info *cm_info)
{
struct sockaddr_storage local_sockaddr;
struct sockaddr_storage mapped_sockaddr;
nes_create_sockaddr(htonl(cm_info->loc_addr), htons(cm_info->loc_port),
&local_sockaddr);
nes_create_sockaddr(htonl(cm_info->mapped_loc_addr),
htons(cm_info->mapped_loc_port), &mapped_sockaddr);
return iwpm_create_mapinfo(&local_sockaddr,
&mapped_sockaddr, RDMA_NL_NES);
}
/*
* nes_remove_mapinfo - Remove a mapinfo object from the port mapper data base
* and send a remove mapping op message to
* the userspace port mapper
*/
static int nes_remove_mapinfo(u32 loc_addr, u16 loc_port,
u32 mapped_loc_addr, u16 mapped_loc_port)
{
struct sockaddr_storage local_sockaddr;
struct sockaddr_storage mapped_sockaddr;
nes_create_sockaddr(htonl(loc_addr), htons(loc_port), &local_sockaddr);
nes_create_sockaddr(htonl(mapped_loc_addr), htons(mapped_loc_port),
&mapped_sockaddr);
iwpm_remove_mapinfo(&local_sockaddr, &mapped_sockaddr);
return iwpm_remove_mapping(&local_sockaddr, RDMA_NL_NES);
}
/*
* nes_form_pm_msg - Form a port mapper message with mapping info
*/
static void nes_form_pm_msg(struct nes_cm_info *cm_info,
struct iwpm_sa_data *pm_msg)
{
nes_create_sockaddr(htonl(cm_info->loc_addr), htons(cm_info->loc_port),
&pm_msg->loc_addr);
nes_create_sockaddr(htonl(cm_info->rem_addr), htons(cm_info->rem_port),
&pm_msg->rem_addr);
}
/*
* nes_form_reg_msg - Form a port mapper message with dev info
*/
static void nes_form_reg_msg(struct nes_vnic *nesvnic,
struct iwpm_dev_data *pm_msg)
{
memcpy(pm_msg->dev_name, nesvnic->nesibdev->ibdev.name,
IWPM_DEVNAME_SIZE);
memcpy(pm_msg->if_name, nesvnic->netdev->name, IWPM_IFNAME_SIZE);
}
/*
* nes_record_pm_msg - Save the received mapping info
*/
static void nes_record_pm_msg(struct nes_cm_info *cm_info,
struct iwpm_sa_data *pm_msg)
{
struct sockaddr_in *mapped_loc_addr =
(struct sockaddr_in *)&pm_msg->mapped_loc_addr;
struct sockaddr_in *mapped_rem_addr =
(struct sockaddr_in *)&pm_msg->mapped_rem_addr;
if (mapped_loc_addr->sin_family == AF_INET) {
cm_info->mapped_loc_addr =
ntohl(mapped_loc_addr->sin_addr.s_addr);
cm_info->mapped_loc_port = ntohs(mapped_loc_addr->sin_port);
}
if (mapped_rem_addr->sin_family == AF_INET) {
cm_info->mapped_rem_addr =
ntohl(mapped_rem_addr->sin_addr.s_addr);
cm_info->mapped_rem_port = ntohs(mapped_rem_addr->sin_port);
}
}
/**
* print_core - dump a cm core
*/
@ -1147,8 +1241,11 @@ static struct nes_cm_node *find_node(struct nes_cm_core *cm_core,
loc_addr, loc_port,
cm_node->rem_addr, cm_node->rem_port,
rem_addr, rem_port);
if ((cm_node->loc_addr == loc_addr) && (cm_node->loc_port == loc_port) &&
(cm_node->rem_addr == rem_addr) && (cm_node->rem_port == rem_port)) {
if ((cm_node->mapped_loc_addr == loc_addr) &&
(cm_node->mapped_loc_port == loc_port) &&
(cm_node->mapped_rem_addr == rem_addr) &&
(cm_node->mapped_rem_port == rem_port)) {
add_ref_cm_node(cm_node);
spin_unlock_irqrestore(&cm_core->ht_lock, flags);
return cm_node;
@ -1165,18 +1262,28 @@ static struct nes_cm_node *find_node(struct nes_cm_core *cm_core,
* find_listener - find a cm node listening on this addr-port pair
*/
static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core,
nes_addr_t dst_addr, u16 dst_port, enum nes_cm_listener_state listener_state)
nes_addr_t dst_addr, u16 dst_port,
enum nes_cm_listener_state listener_state, int local)
{
unsigned long flags;
struct nes_cm_listener *listen_node;
nes_addr_t listen_addr;
u16 listen_port;
/* walk list and find cm_node associated with this session ID */
spin_lock_irqsave(&cm_core->listen_list_lock, flags);
list_for_each_entry(listen_node, &cm_core->listen_list.list, list) {
if (local) {
listen_addr = listen_node->loc_addr;
listen_port = listen_node->loc_port;
} else {
listen_addr = listen_node->mapped_loc_addr;
listen_port = listen_node->mapped_loc_port;
}
/* compare node pair, return node handle if a match */
if (((listen_node->loc_addr == dst_addr) ||
listen_node->loc_addr == 0x00000000) &&
(listen_node->loc_port == dst_port) &&
if (((listen_addr == dst_addr) ||
listen_addr == 0x00000000) &&
(listen_port == dst_port) &&
(listener_state & listen_node->listener_state)) {
atomic_inc(&listen_node->ref_count);
spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
@ -1189,7 +1296,6 @@ static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core,
return NULL;
}
/**
* add_hte_node - add a cm node to the hash table
*/
@ -1310,9 +1416,20 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
if (listener->nesvnic)
nes_manage_apbvt(listener->nesvnic, listener->loc_port,
PCI_FUNC(listener->nesvnic->nesdev->pcidev->devfn), NES_MANAGE_APBVT_DEL);
if (listener->nesvnic) {
nes_manage_apbvt(listener->nesvnic,
listener->mapped_loc_port,
PCI_FUNC(listener->nesvnic->nesdev->pcidev->devfn),
NES_MANAGE_APBVT_DEL);
nes_remove_mapinfo(listener->loc_addr,
listener->loc_port,
listener->mapped_loc_addr,
listener->mapped_loc_port);
nes_debug(NES_DBG_NLMSG,
"Delete APBVT mapped_loc_port = %04X\n",
listener->mapped_loc_port);
}
nes_debug(NES_DBG_CM, "destroying listener (%p)\n", listener);
@ -1454,6 +1571,11 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core,
cm_node->loc_port = cm_info->loc_port;
cm_node->rem_port = cm_info->rem_port;
cm_node->mapped_loc_addr = cm_info->mapped_loc_addr;
cm_node->mapped_rem_addr = cm_info->mapped_rem_addr;
cm_node->mapped_loc_port = cm_info->mapped_loc_port;
cm_node->mapped_rem_port = cm_info->mapped_rem_port;
cm_node->mpa_frame_rev = mpa_version;
cm_node->send_rdma0_op = SEND_RDMA_READ_ZERO;
cm_node->mpav2_ird_ord = 0;
@ -1500,8 +1622,10 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core,
cm_node->loopbackpartner = NULL;
/* get the mac addr for the remote node */
oldarpindex = nes_arp_table(nesdev, cm_node->rem_addr, NULL, NES_ARP_RESOLVE);
arpindex = nes_addr_resolve_neigh(nesvnic, cm_info->rem_addr, oldarpindex);
oldarpindex = nes_arp_table(nesdev, cm_node->mapped_rem_addr,
NULL, NES_ARP_RESOLVE);
arpindex = nes_addr_resolve_neigh(nesvnic,
cm_node->mapped_rem_addr, oldarpindex);
if (arpindex < 0) {
kfree(cm_node);
return NULL;
@ -1563,11 +1687,14 @@ static int rem_ref_cm_node(struct nes_cm_core *cm_core,
mini_cm_dec_refcnt_listen(cm_core, cm_node->listener, 0);
} else {
if (cm_node->apbvt_set && cm_node->nesvnic) {
nes_manage_apbvt(cm_node->nesvnic, cm_node->loc_port,
PCI_FUNC(
cm_node->nesvnic->nesdev->pcidev->devfn),
nes_manage_apbvt(cm_node->nesvnic, cm_node->mapped_loc_port,
PCI_FUNC(cm_node->nesvnic->nesdev->pcidev->devfn),
NES_MANAGE_APBVT_DEL);
}
nes_debug(NES_DBG_NLMSG, "Delete APBVT mapped_loc_port = %04X\n",
cm_node->mapped_loc_port);
nes_remove_mapinfo(cm_node->loc_addr, cm_node->loc_port,
cm_node->mapped_loc_addr, cm_node->mapped_loc_port);
}
atomic_dec(&cm_core->node_cnt);
@ -2235,17 +2362,21 @@ static void process_packet(struct nes_cm_node *cm_node, struct sk_buff *skb,
* mini_cm_listen - create a listen node with params
*/
static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *cm_core,
struct nes_vnic *nesvnic, struct nes_cm_info *cm_info)
struct nes_vnic *nesvnic, struct nes_cm_info *cm_info)
{
struct nes_cm_listener *listener;
struct iwpm_dev_data pm_reg_msg;
struct iwpm_sa_data pm_msg;
unsigned long flags;
int iwpm_err = 0;
nes_debug(NES_DBG_CM, "Search for 0x%08x : 0x%04x\n",
cm_info->loc_addr, cm_info->loc_port);
/* cannot have multiple matching listeners */
listener = find_listener(cm_core, htonl(cm_info->loc_addr),
htons(cm_info->loc_port), NES_CM_LISTENER_EITHER_STATE);
listener = find_listener(cm_core, cm_info->loc_addr, cm_info->loc_port,
NES_CM_LISTENER_EITHER_STATE, 1);
if (listener && listener->listener_state == NES_CM_LISTENER_ACTIVE_STATE) {
/* find automatically incs ref count ??? */
atomic_dec(&listener->ref_count);
@ -2254,6 +2385,22 @@ static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *cm_core,
}
if (!listener) {
nes_form_reg_msg(nesvnic, &pm_reg_msg);
iwpm_err = iwpm_register_pid(&pm_reg_msg, RDMA_NL_NES);
if (iwpm_err) {
nes_debug(NES_DBG_NLMSG,
"Port Mapper reg pid fail (err = %d).\n", iwpm_err);
}
if (iwpm_valid_pid() && !iwpm_err) {
nes_form_pm_msg(cm_info, &pm_msg);
iwpm_err = iwpm_add_mapping(&pm_msg, RDMA_NL_NES);
if (iwpm_err)
nes_debug(NES_DBG_NLMSG,
"Port Mapper query fail (err = %d).\n", iwpm_err);
else
nes_record_pm_msg(cm_info, &pm_msg);
}
/* create a CM listen node (1/2 node to compare incoming traffic to) */
listener = kzalloc(sizeof(*listener), GFP_ATOMIC);
if (!listener) {
@ -2261,8 +2408,10 @@ static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *cm_core,
return NULL;
}
listener->loc_addr = htonl(cm_info->loc_addr);
listener->loc_port = htons(cm_info->loc_port);
listener->loc_addr = cm_info->loc_addr;
listener->loc_port = cm_info->loc_port;
listener->mapped_loc_addr = cm_info->mapped_loc_addr;
listener->mapped_loc_port = cm_info->mapped_loc_port;
listener->reused_node = 0;
atomic_set(&listener->ref_count, 1);
@ -2324,14 +2473,18 @@ static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
if (cm_info->loc_addr == cm_info->rem_addr) {
loopbackremotelistener = find_listener(cm_core,
ntohl(nesvnic->local_ipaddr), cm_node->rem_port,
NES_CM_LISTENER_ACTIVE_STATE);
cm_node->mapped_loc_addr, cm_node->mapped_rem_port,
NES_CM_LISTENER_ACTIVE_STATE, 0);
if (loopbackremotelistener == NULL) {
create_event(cm_node, NES_CM_EVENT_ABORTED);
} else {
loopback_cm_info = *cm_info;
loopback_cm_info.loc_port = cm_info->rem_port;
loopback_cm_info.rem_port = cm_info->loc_port;
loopback_cm_info.mapped_loc_port =
cm_info->mapped_rem_port;
loopback_cm_info.mapped_rem_port =
cm_info->mapped_loc_port;
loopback_cm_info.cm_id = loopbackremotelistener->cm_id;
loopbackremotenode = make_cm_node(cm_core, nesvnic,
&loopback_cm_info, loopbackremotelistener);
@ -2560,6 +2713,12 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
nfo.rem_addr = ntohl(iph->saddr);
nfo.rem_port = ntohs(tcph->source);
/* If port mapper is available these should be mapped address info */
nfo.mapped_loc_addr = ntohl(iph->daddr);
nfo.mapped_loc_port = ntohs(tcph->dest);
nfo.mapped_rem_addr = ntohl(iph->saddr);
nfo.mapped_rem_port = ntohs(tcph->source);
tmp_daddr = cpu_to_be32(iph->daddr);
tmp_saddr = cpu_to_be32(iph->saddr);
@ -2568,8 +2727,8 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
do {
cm_node = find_node(cm_core,
nfo.rem_port, nfo.rem_addr,
nfo.loc_port, nfo.loc_addr);
nfo.mapped_rem_port, nfo.mapped_rem_addr,
nfo.mapped_loc_port, nfo.mapped_loc_addr);
if (!cm_node) {
/* Only type of packet accepted are for */
@ -2578,9 +2737,9 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
skb_handled = 0;
break;
}
listener = find_listener(cm_core, nfo.loc_addr,
nfo.loc_port,
NES_CM_LISTENER_ACTIVE_STATE);
listener = find_listener(cm_core, nfo.mapped_loc_addr,
nfo.mapped_loc_port,
NES_CM_LISTENER_ACTIVE_STATE, 0);
if (!listener) {
nfo.cm_id = NULL;
nfo.conn_type = 0;
@ -3184,10 +3343,12 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
nes_cm_init_tsa_conn(nesqp, cm_node);
nesqp->nesqp_context->tcpPorts[0] = cpu_to_le16(ntohs(laddr->sin_port));
nesqp->nesqp_context->tcpPorts[1] = cpu_to_le16(ntohs(raddr->sin_port));
nesqp->nesqp_context->tcpPorts[0] =
cpu_to_le16(cm_node->mapped_loc_port);
nesqp->nesqp_context->tcpPorts[1] =
cpu_to_le16(cm_node->mapped_rem_port);
nesqp->nesqp_context->ip0 = cpu_to_le32(ntohl(raddr->sin_addr.s_addr));
nesqp->nesqp_context->ip0 = cpu_to_le32(cm_node->mapped_rem_addr);
nesqp->nesqp_context->misc2 |= cpu_to_le32(
(u32)PCI_FUNC(nesdev->pcidev->devfn) <<
@ -3211,9 +3372,9 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
memset(&nes_quad, 0, sizeof(nes_quad));
nes_quad.DstIpAdrIndex =
cpu_to_le32((u32)PCI_FUNC(nesdev->pcidev->devfn) << 24);
nes_quad.SrcIpadr = raddr->sin_addr.s_addr;
nes_quad.TcpPorts[0] = raddr->sin_port;
nes_quad.TcpPorts[1] = laddr->sin_port;
nes_quad.SrcIpadr = htonl(cm_node->mapped_rem_addr);
nes_quad.TcpPorts[0] = htons(cm_node->mapped_rem_port);
nes_quad.TcpPorts[1] = htons(cm_node->mapped_loc_port);
/* Produce hash key */
crc_value = get_crc_value(&nes_quad);
@ -3315,6 +3476,9 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
int apbvt_set = 0;
struct sockaddr_in *laddr = (struct sockaddr_in *)&cm_id->local_addr;
struct sockaddr_in *raddr = (struct sockaddr_in *)&cm_id->remote_addr;
struct iwpm_dev_data pm_reg_msg;
struct iwpm_sa_data pm_msg;
int iwpm_err = 0;
if (cm_id->remote_addr.ss_family != AF_INET)
return -ENOSYS;
@ -3352,20 +3516,44 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
nes_debug(NES_DBG_CM, "mpa private data len =%u\n",
conn_param->private_data_len);
/* set up the connection params for the node */
cm_info.loc_addr = ntohl(laddr->sin_addr.s_addr);
cm_info.loc_port = ntohs(laddr->sin_port);
cm_info.rem_addr = ntohl(raddr->sin_addr.s_addr);
cm_info.rem_port = ntohs(raddr->sin_port);
cm_info.cm_id = cm_id;
cm_info.conn_type = NES_CM_IWARP_CONN_TYPE;
/* No port mapper available, go with the specified peer information */
cm_info.mapped_loc_addr = cm_info.loc_addr;
cm_info.mapped_loc_port = cm_info.loc_port;
cm_info.mapped_rem_addr = cm_info.rem_addr;
cm_info.mapped_rem_port = cm_info.rem_port;
nes_form_reg_msg(nesvnic, &pm_reg_msg);
iwpm_err = iwpm_register_pid(&pm_reg_msg, RDMA_NL_NES);
if (iwpm_err) {
nes_debug(NES_DBG_NLMSG,
"Port Mapper reg pid fail (err = %d).\n", iwpm_err);
}
if (iwpm_valid_pid() && !iwpm_err) {
nes_form_pm_msg(&cm_info, &pm_msg);
iwpm_err = iwpm_add_and_query_mapping(&pm_msg, RDMA_NL_NES);
if (iwpm_err)
nes_debug(NES_DBG_NLMSG,
"Port Mapper query fail (err = %d).\n", iwpm_err);
else
nes_record_pm_msg(&cm_info, &pm_msg);
}
if (laddr->sin_addr.s_addr != raddr->sin_addr.s_addr) {
nes_manage_apbvt(nesvnic, ntohs(laddr->sin_port),
PCI_FUNC(nesdev->pcidev->devfn),
NES_MANAGE_APBVT_ADD);
nes_manage_apbvt(nesvnic, cm_info.mapped_loc_port,
PCI_FUNC(nesdev->pcidev->devfn), NES_MANAGE_APBVT_ADD);
apbvt_set = 1;
}
/* set up the connection params for the node */
cm_info.loc_addr = htonl(laddr->sin_addr.s_addr);
cm_info.loc_port = htons(laddr->sin_port);
cm_info.rem_addr = htonl(raddr->sin_addr.s_addr);
cm_info.rem_port = htons(raddr->sin_port);
cm_info.cm_id = cm_id;
cm_info.conn_type = NES_CM_IWARP_CONN_TYPE;
if (nes_create_mapinfo(&cm_info))
return -ENOMEM;
cm_id->add_ref(cm_id);
@ -3375,10 +3563,14 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
&cm_info);
if (!cm_node) {
if (apbvt_set)
nes_manage_apbvt(nesvnic, ntohs(laddr->sin_port),
nes_manage_apbvt(nesvnic, cm_info.mapped_loc_port,
PCI_FUNC(nesdev->pcidev->devfn),
NES_MANAGE_APBVT_DEL);
nes_debug(NES_DBG_NLMSG, "Delete mapped_loc_port = %04X\n",
cm_info.mapped_loc_port);
nes_remove_mapinfo(cm_info.loc_addr, cm_info.loc_port,
cm_info.mapped_loc_addr, cm_info.mapped_loc_port);
cm_id->rem_ref(cm_id);
return -ENOMEM;
}
@ -3424,13 +3616,16 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
nesvnic->local_ipaddr, laddr->sin_addr.s_addr);
/* setup listen params in our api call struct */
cm_info.loc_addr = nesvnic->local_ipaddr;
cm_info.loc_port = laddr->sin_port;
cm_info.loc_addr = ntohl(nesvnic->local_ipaddr);
cm_info.loc_port = ntohs(laddr->sin_port);
cm_info.backlog = backlog;
cm_info.cm_id = cm_id;
cm_info.conn_type = NES_CM_IWARP_CONN_TYPE;
/* No port mapper available, go with the specified info */
cm_info.mapped_loc_addr = cm_info.loc_addr;
cm_info.mapped_loc_port = cm_info.loc_port;
cm_node = g_cm_core->api->listen(g_cm_core, nesvnic, &cm_info);
if (!cm_node) {
@ -3442,7 +3637,10 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
cm_id->provider_data = cm_node;
if (!cm_node->reused_node) {
err = nes_manage_apbvt(nesvnic, ntohs(laddr->sin_port),
if (nes_create_mapinfo(&cm_info))
return -ENOMEM;
err = nes_manage_apbvt(nesvnic, cm_node->mapped_loc_port,
PCI_FUNC(nesvnic->nesdev->pcidev->devfn),
NES_MANAGE_APBVT_ADD);
if (err) {
@ -3567,9 +3765,11 @@ static void cm_event_connected(struct nes_cm_event *event)
nes_cm_init_tsa_conn(nesqp, cm_node);
/* set the QP tsa context */
nesqp->nesqp_context->tcpPorts[0] = cpu_to_le16(ntohs(laddr->sin_port));
nesqp->nesqp_context->tcpPorts[1] = cpu_to_le16(ntohs(raddr->sin_port));
nesqp->nesqp_context->ip0 = cpu_to_le32(ntohl(raddr->sin_addr.s_addr));
nesqp->nesqp_context->tcpPorts[0] =
cpu_to_le16(cm_node->mapped_loc_port);
nesqp->nesqp_context->tcpPorts[1] =
cpu_to_le16(cm_node->mapped_rem_port);
nesqp->nesqp_context->ip0 = cpu_to_le32(cm_node->mapped_rem_addr);
nesqp->nesqp_context->misc2 |= cpu_to_le32(
(u32)PCI_FUNC(nesdev->pcidev->devfn) <<
@ -3599,9 +3799,9 @@ static void cm_event_connected(struct nes_cm_event *event)
nes_quad.DstIpAdrIndex =
cpu_to_le32((u32)PCI_FUNC(nesdev->pcidev->devfn) << 24);
nes_quad.SrcIpadr = raddr->sin_addr.s_addr;
nes_quad.TcpPorts[0] = raddr->sin_port;
nes_quad.TcpPorts[1] = laddr->sin_port;
nes_quad.SrcIpadr = htonl(cm_node->mapped_rem_addr);
nes_quad.TcpPorts[0] = htons(cm_node->mapped_rem_port);
nes_quad.TcpPorts[1] = htons(cm_node->mapped_loc_port);
/* Produce hash key */
crc_value = get_crc_value(&nes_quad);
@ -3629,7 +3829,7 @@ static void cm_event_connected(struct nes_cm_event *event)
cm_event.ird = cm_node->ird_size;
cm_event.ord = cm_node->ord_size;
cm_event_laddr->sin_addr.s_addr = event->cm_info.rem_addr;
cm_event_laddr->sin_addr.s_addr = htonl(event->cm_info.rem_addr);
ret = cm_id->event_handler(cm_id, &cm_event);
nes_debug(NES_DBG_CM, "OFA CM event_handler returned, ret=%d\n", ret);

12
drivers/infiniband/hw/nes/nes_cm.h
View file

@ -1,5 +1,5 @@
/*
* 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;