8090c9f504
and t3_push_frames). - Import latest changes to cxgb_main.c and cxgb_sge.c from toestack p4 branch - make driver local copy of tcp_subr.c and tcp_usrreq.c and override tcp_usrreqs so TOE can also functions on versions with unmodified TCP - add cxgb back to the build
1455 lines
35 KiB
C
1455 lines
35 KiB
C
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/**************************************************************************
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Copyright (c) 2007, Chelsio Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Neither the name of the Chelsio Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***************************************************************************/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/pciio.h>
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#include <sys/conf.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus_dma.h>
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#include <sys/rman.h>
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#include <sys/ioccom.h>
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#include <sys/mbuf.h>
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#include <sys/linker.h>
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#include <sys/firmware.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/smp.h>
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#include <sys/sysctl.h>
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#include <sys/syslog.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/proc.h>
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#ifdef CONFIG_DEFINED
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#include <cxgb_include.h>
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#else
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#include <dev/cxgb/cxgb_include.h>
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#endif
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#include <net/if_vlan_var.h>
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#include <net/route.h>
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#define VALIDATE_TID 0
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MALLOC_DEFINE(M_CXGB, "cxgb", "Chelsio 10 Gigabit Ethernet and services");
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TAILQ_HEAD(, cxgb_client) client_list;
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TAILQ_HEAD(, t3cdev) ofld_dev_list;
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TAILQ_HEAD(, adapter) adapter_list;
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static struct mtx cxgb_db_lock;
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static struct rwlock adapter_list_lock;
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static const unsigned int MAX_ATIDS = 64 * 1024;
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static const unsigned int ATID_BASE = 0x100000;
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static int inited = 0;
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static inline int
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offload_activated(struct t3cdev *tdev)
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{
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struct adapter *adapter = tdev2adap(tdev);
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return (isset(&adapter->open_device_map, OFFLOAD_DEVMAP_BIT));
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}
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/**
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* cxgb_register_client - register an offload client
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* @client: the client
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*
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* Add the client to the client list,
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* and call backs the client for each activated offload device
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*/
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void
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cxgb_register_client(struct cxgb_client *client)
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{
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struct t3cdev *tdev;
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mtx_lock(&cxgb_db_lock);
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TAILQ_INSERT_TAIL(&client_list, client, client_entry);
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if (client->add) {
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printf("client->add set\n");
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TAILQ_FOREACH(tdev, &ofld_dev_list, entry) {
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if (offload_activated(tdev)) {
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printf("calling add=%p on %p\n",
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client->add, tdev);
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client->add(tdev);
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} else
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printf("%p not activated\n", tdev);
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}
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}
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mtx_unlock(&cxgb_db_lock);
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}
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/**
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* cxgb_unregister_client - unregister an offload client
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* @client: the client
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*
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* Remove the client to the client list,
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* and call backs the client for each activated offload device.
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*/
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void
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cxgb_unregister_client(struct cxgb_client *client)
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{
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struct t3cdev *tdev;
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mtx_lock(&cxgb_db_lock);
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TAILQ_REMOVE(&client_list, client, client_entry);
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if (client->remove) {
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TAILQ_FOREACH(tdev, &ofld_dev_list, entry) {
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if (offload_activated(tdev))
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client->remove(tdev);
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}
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}
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mtx_unlock(&cxgb_db_lock);
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}
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/**
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* cxgb_add_clients - activate register clients for an offload device
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* @tdev: the offload device
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*
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* Call backs all registered clients once a offload device is activated
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*/
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void
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cxgb_add_clients(struct t3cdev *tdev)
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{
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struct cxgb_client *client;
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mtx_lock(&cxgb_db_lock);
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TAILQ_FOREACH(client, &client_list, client_entry) {
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if (client->add)
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client->add(tdev);
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}
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mtx_unlock(&cxgb_db_lock);
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}
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/**
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* cxgb_remove_clients - activate register clients for an offload device
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* @tdev: the offload device
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*
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* Call backs all registered clients once a offload device is deactivated
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*/
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void
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cxgb_remove_clients(struct t3cdev *tdev)
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{
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struct cxgb_client *client;
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mtx_lock(&cxgb_db_lock);
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TAILQ_FOREACH(client, &client_list, client_entry) {
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if (client->remove)
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client->remove(tdev);
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}
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mtx_unlock(&cxgb_db_lock);
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}
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static int
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is_offloading(struct ifnet *ifp)
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{
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struct adapter *adapter;
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int port;
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rw_rlock(&adapter_list_lock);
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TAILQ_FOREACH(adapter, &adapter_list, adapter_entry) {
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for_each_port(adapter, port) {
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if (ifp == adapter->port[port].ifp) {
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rw_runlock(&adapter_list_lock);
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return 1;
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}
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}
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}
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rw_runlock(&adapter_list_lock);
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return 0;
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}
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static struct ifnet *
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get_iff_from_mac(adapter_t *adapter, const uint8_t *mac, unsigned int vlan)
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{
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int i;
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for_each_port(adapter, i) {
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#ifdef notyet
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const struct vlan_group *grp;
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#endif
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const struct port_info *p = &adapter->port[i];
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struct ifnet *ifp = p->ifp;
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if (!memcmp(p->hw_addr, mac, ETHER_ADDR_LEN)) {
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#ifdef notyet
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if (vlan && vlan != EVL_VLID_MASK) {
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grp = p->vlan_grp;
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dev = grp ? grp->vlan_devices[vlan] : NULL;
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} else
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while (dev->master)
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dev = dev->master;
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#endif
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return (ifp);
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}
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}
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return (NULL);
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}
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static inline void
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failover_fixup(adapter_t *adapter, int port)
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{
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if (adapter->params.rev == 0) {
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struct ifnet *ifp = adapter->port[port].ifp;
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struct cmac *mac = &adapter->port[port].mac;
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if (!(ifp->if_flags & IFF_UP)) {
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/* Failover triggered by the interface ifdown */
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t3_write_reg(adapter, A_XGM_TX_CTRL + mac->offset,
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F_TXEN);
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t3_read_reg(adapter, A_XGM_TX_CTRL + mac->offset);
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} else {
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/* Failover triggered by the interface link down */
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t3_write_reg(adapter, A_XGM_RX_CTRL + mac->offset, 0);
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t3_read_reg(adapter, A_XGM_RX_CTRL + mac->offset);
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t3_write_reg(adapter, A_XGM_RX_CTRL + mac->offset,
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F_RXEN);
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}
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}
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}
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static int
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cxgb_ulp_iscsi_ctl(adapter_t *adapter, unsigned int req, void *data)
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{
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int ret = 0;
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struct ulp_iscsi_info *uiip = data;
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switch (req) {
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case ULP_ISCSI_GET_PARAMS:
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uiip->llimit = t3_read_reg(adapter, A_ULPRX_ISCSI_LLIMIT);
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uiip->ulimit = t3_read_reg(adapter, A_ULPRX_ISCSI_ULIMIT);
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uiip->tagmask = t3_read_reg(adapter, A_ULPRX_ISCSI_TAGMASK);
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/*
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* On tx, the iscsi pdu has to be <= tx page size and has to
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* fit into the Tx PM FIFO.
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*/
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uiip->max_txsz = min(adapter->params.tp.tx_pg_size,
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t3_read_reg(adapter, A_PM1_TX_CFG) >> 17);
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/* on rx, the iscsi pdu has to be < rx page size and the
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whole pdu + cpl headers has to fit into one sge buffer */
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uiip->max_rxsz =
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(unsigned int)min(adapter->params.tp.rx_pg_size,
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(adapter->sge.qs[0].fl[1].buf_size -
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sizeof(struct cpl_rx_data) * 2 -
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sizeof(struct cpl_rx_data_ddp)) );
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break;
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case ULP_ISCSI_SET_PARAMS:
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t3_write_reg(adapter, A_ULPRX_ISCSI_TAGMASK, uiip->tagmask);
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break;
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default:
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ret = (EOPNOTSUPP);
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}
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return ret;
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}
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/* Response queue used for RDMA events. */
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#define ASYNC_NOTIF_RSPQ 0
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static int
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cxgb_rdma_ctl(adapter_t *adapter, unsigned int req, void *data)
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{
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int ret = 0;
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switch (req) {
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case RDMA_GET_PARAMS: {
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struct rdma_info *req = data;
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req->udbell_physbase = rman_get_start(adapter->regs_res);
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req->udbell_len = rman_get_size(adapter->regs_res);
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req->tpt_base = t3_read_reg(adapter, A_ULPTX_TPT_LLIMIT);
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req->tpt_top = t3_read_reg(adapter, A_ULPTX_TPT_ULIMIT);
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req->pbl_base = t3_read_reg(adapter, A_ULPTX_PBL_LLIMIT);
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req->pbl_top = t3_read_reg(adapter, A_ULPTX_PBL_ULIMIT);
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req->rqt_base = t3_read_reg(adapter, A_ULPRX_RQ_LLIMIT);
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req->rqt_top = t3_read_reg(adapter, A_ULPRX_RQ_ULIMIT);
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req->kdb_addr = (void *)(rman_get_start(adapter->regs_res) + A_SG_KDOORBELL);
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break;
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}
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case RDMA_CQ_OP: {
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struct rdma_cq_op *req = data;
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/* may be called in any context */
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mtx_lock(&adapter->sge.reg_lock);
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ret = t3_sge_cqcntxt_op(adapter, req->id, req->op,
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req->credits);
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mtx_unlock(&adapter->sge.reg_lock);
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break;
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}
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case RDMA_GET_MEM: {
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struct ch_mem_range *t = data;
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struct mc7 *mem;
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if ((t->addr & 7) || (t->len & 7))
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return (EINVAL);
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if (t->mem_id == MEM_CM)
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mem = &adapter->cm;
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else if (t->mem_id == MEM_PMRX)
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mem = &adapter->pmrx;
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else if (t->mem_id == MEM_PMTX)
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mem = &adapter->pmtx;
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else
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return (EINVAL);
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ret = t3_mc7_bd_read(mem, t->addr/8, t->len/8, (u64 *)t->buf);
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if (ret)
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return (ret);
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break;
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}
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case RDMA_CQ_SETUP: {
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struct rdma_cq_setup *req = data;
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mtx_lock(&adapter->sge.reg_lock);
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ret = t3_sge_init_cqcntxt(adapter, req->id, req->base_addr,
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req->size, ASYNC_NOTIF_RSPQ,
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req->ovfl_mode, req->credits,
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req->credit_thres);
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mtx_unlock(&adapter->sge.reg_lock);
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break;
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}
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case RDMA_CQ_DISABLE:
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mtx_lock(&adapter->sge.reg_lock);
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ret = t3_sge_disable_cqcntxt(adapter, *(unsigned int *)data);
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mtx_unlock(&adapter->sge.reg_lock);
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break;
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case RDMA_CTRL_QP_SETUP: {
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struct rdma_ctrlqp_setup *req = data;
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mtx_lock(&adapter->sge.reg_lock);
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ret = t3_sge_init_ecntxt(adapter, FW_RI_SGEEC_START, 0,
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SGE_CNTXT_RDMA, ASYNC_NOTIF_RSPQ,
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req->base_addr, req->size,
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FW_RI_TID_START, 1, 0);
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mtx_unlock(&adapter->sge.reg_lock);
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break;
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}
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default:
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ret = EOPNOTSUPP;
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}
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return (ret);
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}
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static int
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cxgb_offload_ctl(struct t3cdev *tdev, unsigned int req, void *data)
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{
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struct adapter *adapter = tdev2adap(tdev);
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struct tid_range *tid;
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struct mtutab *mtup;
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struct iff_mac *iffmacp;
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struct ddp_params *ddpp;
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struct adap_ports *ports;
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int port;
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switch (req) {
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case GET_MAX_OUTSTANDING_WR:
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*(unsigned int *)data = FW_WR_NUM;
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break;
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case GET_WR_LEN:
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*(unsigned int *)data = WR_FLITS;
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break;
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case GET_TX_MAX_CHUNK:
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*(unsigned int *)data = 1 << 20; /* 1MB */
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break;
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case GET_TID_RANGE:
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tid = data;
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tid->num = t3_mc5_size(&adapter->mc5) -
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adapter->params.mc5.nroutes -
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adapter->params.mc5.nfilters -
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adapter->params.mc5.nservers;
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tid->base = 0;
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break;
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case GET_STID_RANGE:
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tid = data;
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tid->num = adapter->params.mc5.nservers;
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tid->base = t3_mc5_size(&adapter->mc5) - tid->num -
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adapter->params.mc5.nfilters -
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adapter->params.mc5.nroutes;
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break;
|
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case GET_L2T_CAPACITY:
|
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*(unsigned int *)data = 2048;
|
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break;
|
|
case GET_MTUS:
|
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mtup = data;
|
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mtup->size = NMTUS;
|
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mtup->mtus = adapter->params.mtus;
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break;
|
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case GET_IFF_FROM_MAC:
|
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iffmacp = data;
|
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iffmacp->dev = get_iff_from_mac(adapter, iffmacp->mac_addr,
|
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iffmacp->vlan_tag & EVL_VLID_MASK);
|
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break;
|
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case GET_DDP_PARAMS:
|
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ddpp = data;
|
|
ddpp->llimit = t3_read_reg(adapter, A_ULPRX_TDDP_LLIMIT);
|
|
ddpp->ulimit = t3_read_reg(adapter, A_ULPRX_TDDP_ULIMIT);
|
|
ddpp->tag_mask = t3_read_reg(adapter, A_ULPRX_TDDP_TAGMASK);
|
|
break;
|
|
case GET_PORTS:
|
|
ports = data;
|
|
ports->nports = adapter->params.nports;
|
|
for_each_port(adapter, port)
|
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ports->lldevs[port] = adapter->port[port].ifp;
|
|
break;
|
|
case FAILOVER:
|
|
port = *(int *)data;
|
|
t3_port_failover(adapter, port);
|
|
failover_fixup(adapter, port);
|
|
break;
|
|
case FAILOVER_DONE:
|
|
port = *(int *)data;
|
|
t3_failover_done(adapter, port);
|
|
break;
|
|
case FAILOVER_CLEAR:
|
|
t3_failover_clear(adapter);
|
|
break;
|
|
case ULP_ISCSI_GET_PARAMS:
|
|
case ULP_ISCSI_SET_PARAMS:
|
|
if (!offload_running(adapter))
|
|
return (EAGAIN);
|
|
return cxgb_ulp_iscsi_ctl(adapter, req, data);
|
|
case RDMA_GET_PARAMS:
|
|
case RDMA_CQ_OP:
|
|
case RDMA_CQ_SETUP:
|
|
case RDMA_CQ_DISABLE:
|
|
case RDMA_CTRL_QP_SETUP:
|
|
case RDMA_GET_MEM:
|
|
if (!offload_running(adapter))
|
|
return (EAGAIN);
|
|
return cxgb_rdma_ctl(adapter, req, data);
|
|
default:
|
|
return (EOPNOTSUPP);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Dummy handler for Rx offload packets in case we get an offload packet before
|
|
* proper processing is setup. This complains and drops the packet as it isn't
|
|
* normal to get offload packets at this stage.
|
|
*/
|
|
static int
|
|
rx_offload_blackhole(struct t3cdev *dev, struct mbuf **m, int n)
|
|
{
|
|
CH_ERR(tdev2adap(dev), "%d unexpected offload packets, first data 0x%x\n",
|
|
n, *mtod(m[0], uint32_t *));
|
|
while (n--)
|
|
m_freem(m[n]);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
dummy_neigh_update(struct t3cdev *dev, struct rtentry *neigh, uint8_t *enaddr,
|
|
struct sockaddr *sa)
|
|
{
|
|
}
|
|
|
|
void
|
|
cxgb_set_dummy_ops(struct t3cdev *dev)
|
|
{
|
|
dev->recv = rx_offload_blackhole;
|
|
dev->arp_update = dummy_neigh_update;
|
|
}
|
|
|
|
/*
|
|
* Free an active-open TID.
|
|
*/
|
|
void *
|
|
cxgb_free_atid(struct t3cdev *tdev, int atid)
|
|
{
|
|
struct tid_info *t = &(T3C_DATA(tdev))->tid_maps;
|
|
union active_open_entry *p = atid2entry(t, atid);
|
|
void *ctx = p->toe_tid.ctx;
|
|
|
|
mtx_lock(&t->atid_lock);
|
|
p->next = t->afree;
|
|
t->afree = p;
|
|
t->atids_in_use--;
|
|
mtx_unlock(&t->atid_lock);
|
|
|
|
return ctx;
|
|
}
|
|
|
|
/*
|
|
* Free a server TID and return it to the free pool.
|
|
*/
|
|
void
|
|
cxgb_free_stid(struct t3cdev *tdev, int stid)
|
|
{
|
|
struct tid_info *t = &(T3C_DATA (tdev))->tid_maps;
|
|
union listen_entry *p = stid2entry(t, stid);
|
|
|
|
mtx_lock(&t->stid_lock);
|
|
p->next = t->sfree;
|
|
t->sfree = p;
|
|
t->stids_in_use--;
|
|
mtx_unlock(&t->stid_lock);
|
|
}
|
|
|
|
/*
|
|
* Free a server TID and return it to the free pool.
|
|
*/
|
|
void *
|
|
cxgb_get_lctx(struct t3cdev *tdev, int stid)
|
|
{
|
|
struct tid_info *t = &(T3C_DATA (tdev))->tid_maps;
|
|
union listen_entry *p = stid2entry(t, stid);
|
|
|
|
return (p->toe_tid.ctx);
|
|
}
|
|
|
|
void
|
|
cxgb_insert_tid(struct t3cdev *tdev, struct cxgb_client *client,
|
|
void *ctx, unsigned int tid)
|
|
{
|
|
struct tid_info *t = &(T3C_DATA (tdev))->tid_maps;
|
|
|
|
t->tid_tab[tid].client = client;
|
|
t->tid_tab[tid].ctx = ctx;
|
|
atomic_add_int(&t->tids_in_use, 1);
|
|
}
|
|
|
|
/*
|
|
* Populate a TID_RELEASE WR. The mbuf must be already propely sized.
|
|
*/
|
|
static inline void
|
|
mk_tid_release(struct mbuf *m, unsigned int tid)
|
|
{
|
|
struct cpl_tid_release *req;
|
|
|
|
m_set_priority(m, CPL_PRIORITY_SETUP);
|
|
req = mtod(m, struct cpl_tid_release *);
|
|
m->m_pkthdr.len = m->m_len = sizeof(*req);
|
|
req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
|
|
OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_TID_RELEASE, tid));
|
|
}
|
|
|
|
static void
|
|
t3_process_tid_release_list(void *data, int pending)
|
|
{
|
|
struct mbuf *m;
|
|
struct t3cdev *tdev = data;
|
|
struct t3c_data *td = T3C_DATA (tdev);
|
|
|
|
mtx_lock(&td->tid_release_lock);
|
|
while (td->tid_release_list) {
|
|
struct toe_tid_entry *p = td->tid_release_list;
|
|
|
|
td->tid_release_list = (struct toe_tid_entry *)p->ctx;
|
|
mtx_unlock(&td->tid_release_lock);
|
|
m = m_get(M_WAIT, MT_DATA);
|
|
mk_tid_release(m, p - td->tid_maps.tid_tab);
|
|
cxgb_ofld_send(tdev, m);
|
|
p->ctx = NULL;
|
|
mtx_lock(&td->tid_release_lock);
|
|
}
|
|
mtx_unlock(&td->tid_release_lock);
|
|
}
|
|
|
|
/* use ctx as a next pointer in the tid release list */
|
|
void
|
|
cxgb_queue_tid_release(struct t3cdev *tdev, unsigned int tid)
|
|
{
|
|
struct t3c_data *td = T3C_DATA (tdev);
|
|
struct toe_tid_entry *p = &td->tid_maps.tid_tab[tid];
|
|
|
|
printf("queuing tid release\n");
|
|
|
|
mtx_lock(&td->tid_release_lock);
|
|
p->ctx = td->tid_release_list;
|
|
td->tid_release_list = p;
|
|
|
|
if (!p->ctx)
|
|
taskqueue_enqueue(tdev->adapter->tq, &td->tid_release_task);
|
|
|
|
mtx_unlock(&td->tid_release_lock);
|
|
}
|
|
|
|
/*
|
|
* Remove a tid from the TID table. A client may defer processing its last
|
|
* CPL message if it is locked at the time it arrives, and while the message
|
|
* sits in the client's backlog the TID may be reused for another connection.
|
|
* To handle this we atomically switch the TID association if it still points
|
|
* to the original client context.
|
|
*/
|
|
void
|
|
cxgb_remove_tid(struct t3cdev *tdev, void *ctx, unsigned int tid)
|
|
{
|
|
struct tid_info *t = &(T3C_DATA (tdev))->tid_maps;
|
|
|
|
if (tid >= t->ntids)
|
|
panic("tid=%d >= t->ntids=%d", tid, t->ntids);
|
|
|
|
if (tdev->type == T3A)
|
|
atomic_cmpset_ptr((uintptr_t *)&t->tid_tab[tid].ctx, (long)NULL, (long)ctx);
|
|
else {
|
|
struct mbuf *m;
|
|
|
|
m = m_get(M_NOWAIT, MT_DATA);
|
|
if (__predict_true(m != NULL)) {
|
|
mk_tid_release(m, tid);
|
|
printf("sending tid release\n");
|
|
|
|
cxgb_ofld_send(tdev, m);
|
|
t->tid_tab[tid].ctx = NULL;
|
|
} else
|
|
cxgb_queue_tid_release(tdev, tid);
|
|
}
|
|
atomic_add_int(&t->tids_in_use, -1);
|
|
}
|
|
|
|
int
|
|
cxgb_alloc_atid(struct t3cdev *tdev, struct cxgb_client *client,
|
|
void *ctx)
|
|
{
|
|
int atid = -1;
|
|
struct tid_info *t = &(T3C_DATA (tdev))->tid_maps;
|
|
|
|
mtx_lock(&t->atid_lock);
|
|
if (t->afree) {
|
|
union active_open_entry *p = t->afree;
|
|
|
|
atid = (p - t->atid_tab) + t->atid_base;
|
|
t->afree = p->next;
|
|
p->toe_tid.ctx = ctx;
|
|
p->toe_tid.client = client;
|
|
t->atids_in_use++;
|
|
}
|
|
mtx_unlock(&t->atid_lock);
|
|
return atid;
|
|
}
|
|
|
|
int
|
|
cxgb_alloc_stid(struct t3cdev *tdev, struct cxgb_client *client,
|
|
void *ctx)
|
|
{
|
|
int stid = -1;
|
|
struct tid_info *t = &(T3C_DATA (tdev))->tid_maps;
|
|
|
|
mtx_lock(&t->stid_lock);
|
|
if (t->sfree) {
|
|
union listen_entry *p = t->sfree;
|
|
|
|
stid = (p - t->stid_tab) + t->stid_base;
|
|
t->sfree = p->next;
|
|
p->toe_tid.ctx = ctx;
|
|
p->toe_tid.client = client;
|
|
t->stids_in_use++;
|
|
}
|
|
mtx_unlock(&t->stid_lock);
|
|
return stid;
|
|
}
|
|
|
|
static int
|
|
do_smt_write_rpl(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
struct cpl_smt_write_rpl *rpl = cplhdr(m);
|
|
|
|
if (rpl->status != CPL_ERR_NONE)
|
|
log(LOG_ERR,
|
|
"Unexpected SMT_WRITE_RPL status %u for entry %u\n",
|
|
rpl->status, GET_TID(rpl));
|
|
|
|
return CPL_RET_BUF_DONE;
|
|
}
|
|
|
|
static int
|
|
do_l2t_write_rpl(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
struct cpl_l2t_write_rpl *rpl = cplhdr(m);
|
|
|
|
if (rpl->status != CPL_ERR_NONE)
|
|
log(LOG_ERR,
|
|
"Unexpected L2T_WRITE_RPL status %u for entry %u\n",
|
|
rpl->status, GET_TID(rpl));
|
|
|
|
return CPL_RET_BUF_DONE;
|
|
}
|
|
|
|
static int
|
|
do_act_open_rpl(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
struct cpl_act_open_rpl *rpl = cplhdr(m);
|
|
unsigned int atid = G_TID(ntohl(rpl->atid));
|
|
struct toe_tid_entry *toe_tid;
|
|
|
|
toe_tid = lookup_atid(&(T3C_DATA (dev))->tid_maps, atid);
|
|
if (toe_tid->ctx && toe_tid->client && toe_tid->client->handlers &&
|
|
toe_tid->client->handlers[CPL_ACT_OPEN_RPL]) {
|
|
return toe_tid->client->handlers[CPL_ACT_OPEN_RPL] (dev, m,
|
|
toe_tid->ctx);
|
|
} else {
|
|
log(LOG_ERR, "%s: received clientless CPL command 0x%x\n",
|
|
dev->name, CPL_ACT_OPEN_RPL);
|
|
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
|
|
}
|
|
}
|
|
|
|
static int
|
|
do_stid_rpl(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
union opcode_tid *p = cplhdr(m);
|
|
unsigned int stid = G_TID(ntohl(p->opcode_tid));
|
|
struct toe_tid_entry *toe_tid;
|
|
|
|
toe_tid = lookup_stid(&(T3C_DATA (dev))->tid_maps, stid);
|
|
if (toe_tid->ctx && toe_tid->client->handlers &&
|
|
toe_tid->client->handlers[p->opcode]) {
|
|
return toe_tid->client->handlers[p->opcode] (dev, m, toe_tid->ctx);
|
|
} else {
|
|
log(LOG_ERR, "%s: received clientless CPL command 0x%x\n",
|
|
dev->name, p->opcode);
|
|
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
|
|
}
|
|
}
|
|
|
|
static int
|
|
do_hwtid_rpl(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
union opcode_tid *p = cplhdr(m);
|
|
unsigned int hwtid;
|
|
struct toe_tid_entry *toe_tid;
|
|
|
|
DPRINTF("do_hwtid_rpl opcode=0x%x\n", p->opcode);
|
|
hwtid = G_TID(ntohl(p->opcode_tid));
|
|
|
|
toe_tid = lookup_tid(&(T3C_DATA (dev))->tid_maps, hwtid);
|
|
if (toe_tid->ctx && toe_tid->client->handlers &&
|
|
toe_tid->client->handlers[p->opcode]) {
|
|
return toe_tid->client->handlers[p->opcode]
|
|
(dev, m, toe_tid->ctx);
|
|
} else {
|
|
log(LOG_ERR, "%s: received clientless CPL command 0x%x\n",
|
|
dev->name, p->opcode);
|
|
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
|
|
}
|
|
}
|
|
|
|
static int
|
|
do_cr(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
struct cpl_pass_accept_req *req = cplhdr(m);
|
|
unsigned int stid = G_PASS_OPEN_TID(ntohl(req->tos_tid));
|
|
struct toe_tid_entry *toe_tid;
|
|
|
|
toe_tid = lookup_stid(&(T3C_DATA (dev))->tid_maps, stid);
|
|
if (toe_tid->ctx && toe_tid->client->handlers &&
|
|
toe_tid->client->handlers[CPL_PASS_ACCEPT_REQ]) {
|
|
return toe_tid->client->handlers[CPL_PASS_ACCEPT_REQ]
|
|
(dev, m, toe_tid->ctx);
|
|
} else {
|
|
log(LOG_ERR, "%s: received clientless CPL command 0x%x\n",
|
|
dev->name, CPL_PASS_ACCEPT_REQ);
|
|
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
|
|
}
|
|
}
|
|
|
|
static int
|
|
do_abort_req_rss(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
union opcode_tid *p = cplhdr(m);
|
|
unsigned int hwtid = G_TID(ntohl(p->opcode_tid));
|
|
struct toe_tid_entry *toe_tid;
|
|
|
|
toe_tid = lookup_tid(&(T3C_DATA (dev))->tid_maps, hwtid);
|
|
if (toe_tid->ctx && toe_tid->client->handlers &&
|
|
toe_tid->client->handlers[p->opcode]) {
|
|
return toe_tid->client->handlers[p->opcode]
|
|
(dev, m, toe_tid->ctx);
|
|
} else {
|
|
struct cpl_abort_req_rss *req = cplhdr(m);
|
|
struct cpl_abort_rpl *rpl;
|
|
|
|
struct mbuf *m = m_get(M_NOWAIT, MT_DATA);
|
|
if (!m) {
|
|
log(LOG_NOTICE, "do_abort_req_rss: couldn't get mbuf!\n");
|
|
goto out;
|
|
}
|
|
|
|
m_set_priority(m, CPL_PRIORITY_DATA);
|
|
#if 0
|
|
__skb_put(skb, sizeof(struct cpl_abort_rpl));
|
|
#endif
|
|
rpl = cplhdr(m);
|
|
rpl->wr.wr_hi =
|
|
htonl(V_WR_OP(FW_WROPCODE_OFLD_HOST_ABORT_CON_RPL));
|
|
rpl->wr.wr_lo = htonl(V_WR_TID(GET_TID(req)));
|
|
OPCODE_TID(rpl) =
|
|
htonl(MK_OPCODE_TID(CPL_ABORT_RPL, GET_TID(req)));
|
|
rpl->cmd = req->status;
|
|
cxgb_ofld_send(dev, m);
|
|
out:
|
|
return CPL_RET_BUF_DONE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
do_act_establish(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
struct cpl_act_establish *req;
|
|
unsigned int atid;
|
|
struct toe_tid_entry *toe_tid;
|
|
|
|
req = cplhdr(m);
|
|
atid = G_PASS_OPEN_TID(ntohl(req->tos_tid));
|
|
toe_tid = lookup_atid(&(T3C_DATA (dev))->tid_maps, atid);
|
|
if (toe_tid && toe_tid->ctx && toe_tid->client->handlers &&
|
|
toe_tid->client->handlers[CPL_ACT_ESTABLISH]) {
|
|
printf("active establish callback\n");
|
|
|
|
return toe_tid->client->handlers[CPL_ACT_ESTABLISH]
|
|
(dev, m, toe_tid->ctx);
|
|
} else {
|
|
printf("toe_tid=%p\n", toe_tid);
|
|
|
|
log(LOG_ERR, "%s: received clientless CPL command 0x%x\n",
|
|
dev->name, CPL_PASS_ACCEPT_REQ);
|
|
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
do_set_tcb_rpl(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
struct cpl_set_tcb_rpl *rpl = cplhdr(m);
|
|
|
|
if (rpl->status != CPL_ERR_NONE)
|
|
log(LOG_ERR,
|
|
"Unexpected SET_TCB_RPL status %u for tid %u\n",
|
|
rpl->status, GET_TID(rpl));
|
|
return CPL_RET_BUF_DONE;
|
|
}
|
|
|
|
static int
|
|
do_trace(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
#if 0
|
|
struct cpl_trace_pkt *p = cplhdr(m);
|
|
|
|
|
|
skb->protocol = 0xffff;
|
|
skb->dev = dev->lldev;
|
|
skb_pull(skb, sizeof(*p));
|
|
skb->mac.raw = mtod(m, (char *));
|
|
netif_receive_skb(skb);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_term(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
unsigned int hwtid = ntohl(m_get_priority(m)) >> 8 & 0xfffff;
|
|
unsigned int opcode = G_OPCODE(ntohl(m->m_pkthdr.csum_data));
|
|
struct toe_tid_entry *toe_tid;
|
|
|
|
toe_tid = lookup_tid(&(T3C_DATA (dev))->tid_maps, hwtid);
|
|
if (toe_tid->ctx && toe_tid->client->handlers &&
|
|
toe_tid->client->handlers[opcode]) {
|
|
return toe_tid->client->handlers[opcode](dev, m, toe_tid->ctx);
|
|
} else {
|
|
log(LOG_ERR, "%s: received clientless CPL command 0x%x\n",
|
|
dev->name, opcode);
|
|
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
cxgb_arp_update_event(void *unused, struct rtentry *rt0,
|
|
uint8_t *enaddr, struct sockaddr *sa)
|
|
{
|
|
|
|
if (TOEDEV(rt0->rt_ifp) == NULL)
|
|
return;
|
|
|
|
RT_ADDREF(rt0);
|
|
RT_UNLOCK(rt0);
|
|
cxgb_neigh_update(rt0, enaddr, sa);
|
|
RT_LOCK(rt0);
|
|
RT_REMREF(rt0);
|
|
}
|
|
|
|
|
|
static void
|
|
cxgb_redirect_event(void *unused, int event, struct rtentry *rt0,
|
|
struct rtentry *rt1, struct sockaddr *sa)
|
|
{
|
|
struct toedev *tdev0, *tdev1;
|
|
|
|
/*
|
|
* ignore events on non-offloaded interfaces
|
|
*/
|
|
tdev0 = TOEDEV(rt0->rt_ifp);
|
|
tdev1 = TOEDEV(rt1->rt_ifp);
|
|
if (tdev0 == NULL && tdev1 == NULL)
|
|
return;
|
|
/*
|
|
* avoid LORs by dropping the route lock but keeping a reference
|
|
*
|
|
*/
|
|
RT_ADDREF(rt0);
|
|
RT_UNLOCK(rt0);
|
|
RT_ADDREF(rt1);
|
|
RT_UNLOCK(rt1);
|
|
|
|
cxgb_redirect(rt0, rt1, sa);
|
|
cxgb_neigh_update(rt1, NULL, sa);
|
|
|
|
RT_LOCK(rt0);
|
|
RT_REMREF(rt0);
|
|
RT_LOCK(rt1);
|
|
RT_REMREF(rt1);
|
|
}
|
|
|
|
/*
|
|
* Process a received packet with an unknown/unexpected CPL opcode.
|
|
*/
|
|
static int
|
|
do_bad_cpl(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
log(LOG_ERR, "%s: received bad CPL command 0x%x\n", dev->name,
|
|
*mtod(m, uint32_t *));
|
|
return (CPL_RET_BUF_DONE | CPL_RET_BAD_MSG);
|
|
}
|
|
|
|
/*
|
|
* Handlers for each CPL opcode
|
|
*/
|
|
static cpl_handler_func cpl_handlers[NUM_CPL_CMDS];
|
|
|
|
/*
|
|
* Add a new handler to the CPL dispatch table. A NULL handler may be supplied
|
|
* to unregister an existing handler.
|
|
*/
|
|
void
|
|
t3_register_cpl_handler(unsigned int opcode, cpl_handler_func h)
|
|
{
|
|
if (opcode < NUM_CPL_CMDS)
|
|
cpl_handlers[opcode] = h ? h : do_bad_cpl;
|
|
else
|
|
log(LOG_ERR, "T3C: handler registration for "
|
|
"opcode %x failed\n", opcode);
|
|
}
|
|
|
|
/*
|
|
* T3CDEV's receive method.
|
|
*/
|
|
int
|
|
process_rx(struct t3cdev *dev, struct mbuf **m, int n)
|
|
{
|
|
while (n--) {
|
|
struct mbuf *m0 = *m++;
|
|
unsigned int opcode = G_OPCODE(ntohl(m0->m_pkthdr.csum_data));
|
|
int ret;
|
|
|
|
DPRINTF("processing op=0x%x m=%p data=%p\n", opcode, m0, m0->m_data);
|
|
|
|
ret = cpl_handlers[opcode] (dev, m0);
|
|
|
|
#if VALIDATE_TID
|
|
if (ret & CPL_RET_UNKNOWN_TID) {
|
|
union opcode_tid *p = cplhdr(m0);
|
|
|
|
log(LOG_ERR, "%s: CPL message (opcode %u) had "
|
|
"unknown TID %u\n", dev->name, opcode,
|
|
G_TID(ntohl(p->opcode_tid)));
|
|
}
|
|
#endif
|
|
if (ret & CPL_RET_BUF_DONE)
|
|
m_freem(m0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Sends an sk_buff to a T3C driver after dealing with any active network taps.
|
|
*/
|
|
int
|
|
cxgb_ofld_send(struct t3cdev *dev, struct mbuf *m)
|
|
{
|
|
int r;
|
|
|
|
r = dev->send(dev, m);
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* cxgb_ofld_recv - process n received offload packets
|
|
* @dev: the offload device
|
|
* @m: an array of offload packets
|
|
* @n: the number of offload packets
|
|
*
|
|
* Process an array of ingress offload packets. Each packet is forwarded
|
|
* to any active network taps and then passed to the offload device's receive
|
|
* method. We optimize passing packets to the receive method by passing
|
|
* it the whole array at once except when there are active taps.
|
|
*/
|
|
int
|
|
cxgb_ofld_recv(struct t3cdev *dev, struct mbuf **m, int n)
|
|
{
|
|
|
|
#if defined(CONFIG_CHELSIO_T3)
|
|
if (likely(!netdev_nit))
|
|
return dev->recv(dev, skb, n);
|
|
|
|
for ( ; n; n--, skb++) {
|
|
skb[0]->dev = dev->lldev;
|
|
dev_queue_xmit_nit(skb[0], dev->lldev);
|
|
skb[0]->dev = NULL;
|
|
dev->recv(dev, skb, 1);
|
|
}
|
|
return 0;
|
|
#else
|
|
return dev->recv(dev, m, n);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
cxgb_neigh_update(struct rtentry *rt, uint8_t *enaddr, struct sockaddr *sa)
|
|
{
|
|
|
|
if (is_offloading(rt->rt_ifp)) {
|
|
struct t3cdev *tdev = T3CDEV(rt->rt_ifp);
|
|
|
|
PANIC_IF(!tdev);
|
|
t3_l2t_update(tdev, rt, enaddr, sa);
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_l2t_ix(struct t3cdev *tdev, u32 tid, struct l2t_entry *e)
|
|
{
|
|
struct mbuf *m;
|
|
struct cpl_set_tcb_field *req;
|
|
|
|
m = m_gethdr(M_NOWAIT, MT_DATA);
|
|
if (!m) {
|
|
log(LOG_ERR, "%s: cannot allocate mbuf!\n", __FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
m_set_priority(m, CPL_PRIORITY_CONTROL);
|
|
req = mtod(m, struct cpl_set_tcb_field *);
|
|
m->m_pkthdr.len = m->m_len = sizeof(*req);
|
|
|
|
req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
|
|
OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid));
|
|
req->reply = 0;
|
|
req->cpu_idx = 0;
|
|
req->word = htons(W_TCB_L2T_IX);
|
|
req->mask = htobe64(V_TCB_L2T_IX(M_TCB_L2T_IX));
|
|
req->val = htobe64(V_TCB_L2T_IX(e->idx));
|
|
tdev->send(tdev, m);
|
|
}
|
|
|
|
void
|
|
cxgb_redirect(struct rtentry *old, struct rtentry *new, struct sockaddr *sa)
|
|
{
|
|
struct ifnet *olddev, *newdev;
|
|
struct tid_info *ti;
|
|
struct t3cdev *tdev;
|
|
u32 tid;
|
|
int update_tcb;
|
|
struct l2t_entry *e;
|
|
struct toe_tid_entry *te;
|
|
|
|
olddev = old->rt_ifp;
|
|
newdev = new->rt_ifp;
|
|
if (!is_offloading(olddev))
|
|
return;
|
|
if (!is_offloading(newdev)) {
|
|
log(LOG_WARNING, "%s: Redirect to non-offload"
|
|
"device ignored.\n", __FUNCTION__);
|
|
return;
|
|
}
|
|
tdev = T3CDEV(olddev);
|
|
PANIC_IF(!tdev);
|
|
if (tdev != T3CDEV(newdev)) {
|
|
log(LOG_WARNING, "%s: Redirect to different "
|
|
"offload device ignored.\n", __FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
/* Add new L2T entry */
|
|
e = t3_l2t_get(tdev, new, new->rt_ifp, sa);
|
|
if (!e) {
|
|
log(LOG_ERR, "%s: couldn't allocate new l2t entry!\n",
|
|
__FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
/* Walk tid table and notify clients of dst change. */
|
|
ti = &(T3C_DATA (tdev))->tid_maps;
|
|
for (tid=0; tid < ti->ntids; tid++) {
|
|
te = lookup_tid(ti, tid);
|
|
PANIC_IF(!te);
|
|
if (te->ctx && te->client && te->client->redirect) {
|
|
update_tcb = te->client->redirect(te->ctx, old, new,
|
|
e);
|
|
if (update_tcb) {
|
|
l2t_hold(L2DATA(tdev), e);
|
|
set_l2t_ix(tdev, tid, e);
|
|
}
|
|
}
|
|
}
|
|
l2t_release(L2DATA(tdev), e);
|
|
}
|
|
|
|
/*
|
|
* Allocate a chunk of memory using kmalloc or, if that fails, vmalloc.
|
|
* The allocated memory is cleared.
|
|
*/
|
|
void *
|
|
cxgb_alloc_mem(unsigned long size)
|
|
{
|
|
|
|
return malloc(size, M_CXGB, M_ZERO|M_NOWAIT);
|
|
}
|
|
|
|
/*
|
|
* Free memory allocated through t3_alloc_mem().
|
|
*/
|
|
void
|
|
cxgb_free_mem(void *addr)
|
|
{
|
|
free(addr, M_CXGB);
|
|
}
|
|
|
|
|
|
/*
|
|
* Allocate and initialize the TID tables. Returns 0 on success.
|
|
*/
|
|
static int
|
|
init_tid_tabs(struct tid_info *t, unsigned int ntids,
|
|
unsigned int natids, unsigned int nstids,
|
|
unsigned int atid_base, unsigned int stid_base)
|
|
{
|
|
unsigned long size = ntids * sizeof(*t->tid_tab) +
|
|
natids * sizeof(*t->atid_tab) + nstids * sizeof(*t->stid_tab);
|
|
|
|
t->tid_tab = cxgb_alloc_mem(size);
|
|
if (!t->tid_tab)
|
|
return (ENOMEM);
|
|
|
|
t->stid_tab = (union listen_entry *)&t->tid_tab[ntids];
|
|
t->atid_tab = (union active_open_entry *)&t->stid_tab[nstids];
|
|
t->ntids = ntids;
|
|
t->nstids = nstids;
|
|
t->stid_base = stid_base;
|
|
t->sfree = NULL;
|
|
t->natids = natids;
|
|
t->atid_base = atid_base;
|
|
t->afree = NULL;
|
|
t->stids_in_use = t->atids_in_use = 0;
|
|
atomic_set_int(&t->tids_in_use, 0);
|
|
mtx_init(&t->stid_lock, "stid", NULL, MTX_DUPOK|MTX_DEF);
|
|
mtx_init(&t->atid_lock, "atid", NULL, MTX_DUPOK|MTX_DEF);
|
|
|
|
/*
|
|
* Setup the free lists for stid_tab and atid_tab.
|
|
*/
|
|
if (nstids) {
|
|
while (--nstids)
|
|
t->stid_tab[nstids - 1].next = &t->stid_tab[nstids];
|
|
t->sfree = t->stid_tab;
|
|
}
|
|
if (natids) {
|
|
while (--natids)
|
|
t->atid_tab[natids - 1].next = &t->atid_tab[natids];
|
|
t->afree = t->atid_tab;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
free_tid_maps(struct tid_info *t)
|
|
{
|
|
cxgb_free_mem(t->tid_tab);
|
|
}
|
|
|
|
static inline void
|
|
add_adapter(adapter_t *adap)
|
|
{
|
|
rw_wlock(&adapter_list_lock);
|
|
TAILQ_INSERT_TAIL(&adapter_list, adap, adapter_entry);
|
|
rw_wunlock(&adapter_list_lock);
|
|
}
|
|
|
|
static inline void
|
|
remove_adapter(adapter_t *adap)
|
|
{
|
|
rw_wlock(&adapter_list_lock);
|
|
TAILQ_REMOVE(&adapter_list, adap, adapter_entry);
|
|
rw_wunlock(&adapter_list_lock);
|
|
}
|
|
|
|
/*
|
|
* XXX
|
|
*/
|
|
#define t3_free_l2t(...)
|
|
|
|
int
|
|
cxgb_offload_activate(struct adapter *adapter)
|
|
{
|
|
struct t3cdev *dev = &adapter->tdev;
|
|
int natids, err;
|
|
struct t3c_data *t;
|
|
struct tid_range stid_range, tid_range;
|
|
struct mtutab mtutab;
|
|
unsigned int l2t_capacity;
|
|
|
|
t = malloc(sizeof(*t), M_CXGB, M_WAITOK|M_ZERO);
|
|
if (!t)
|
|
return (ENOMEM);
|
|
|
|
dev->adapter = adapter;
|
|
|
|
err = (EOPNOTSUPP);
|
|
if (dev->ctl(dev, GET_TX_MAX_CHUNK, &t->tx_max_chunk) < 0 ||
|
|
dev->ctl(dev, GET_MAX_OUTSTANDING_WR, &t->max_wrs) < 0 ||
|
|
dev->ctl(dev, GET_L2T_CAPACITY, &l2t_capacity) < 0 ||
|
|
dev->ctl(dev, GET_MTUS, &mtutab) < 0 ||
|
|
dev->ctl(dev, GET_TID_RANGE, &tid_range) < 0 ||
|
|
dev->ctl(dev, GET_STID_RANGE, &stid_range) < 0) {
|
|
device_printf(adapter->dev, "%s: dev->ctl check failed\n", __FUNCTION__);
|
|
goto out_free;
|
|
}
|
|
|
|
err = (ENOMEM);
|
|
L2DATA(dev) = t3_init_l2t(l2t_capacity);
|
|
if (!L2DATA(dev)) {
|
|
device_printf(adapter->dev, "%s: t3_init_l2t failed\n", __FUNCTION__);
|
|
goto out_free;
|
|
}
|
|
|
|
|
|
natids = min(tid_range.num / 2, MAX_ATIDS);
|
|
err = init_tid_tabs(&t->tid_maps, tid_range.num, natids,
|
|
stid_range.num, ATID_BASE, stid_range.base);
|
|
if (err) {
|
|
device_printf(adapter->dev, "%s: init_tid_tabs failed\n", __FUNCTION__);
|
|
goto out_free_l2t;
|
|
}
|
|
|
|
t->mtus = mtutab.mtus;
|
|
t->nmtus = mtutab.size;
|
|
|
|
TASK_INIT(&t->tid_release_task, 0 /* XXX? */, t3_process_tid_release_list, dev);
|
|
mtx_init(&t->tid_release_lock, "tid release", NULL, MTX_DUPOK|MTX_DEF);
|
|
t->dev = dev;
|
|
|
|
T3C_DATA (dev) = t;
|
|
dev->recv = process_rx;
|
|
dev->arp_update = t3_l2t_update;
|
|
#if 0
|
|
offload_proc_dev_setup(dev);
|
|
#endif
|
|
/* Register netevent handler once */
|
|
if (TAILQ_EMPTY(&adapter_list)) {
|
|
#if defined(CONFIG_CHELSIO_T3_MODULE)
|
|
if (prepare_arp_with_t3core())
|
|
log(LOG_ERR, "Unable to set offload capabilities\n");
|
|
#endif
|
|
}
|
|
printf("adding adapter %p\n", adapter);
|
|
add_adapter(adapter);
|
|
device_printf(adapter->dev, "offload started\n");
|
|
#if 0
|
|
printf("failing as test\n");
|
|
return (ENOMEM);
|
|
#endif
|
|
return (0);
|
|
|
|
out_free_l2t:
|
|
t3_free_l2t(L2DATA(dev));
|
|
L2DATA(dev) = NULL;
|
|
out_free:
|
|
free(t, M_CXGB);
|
|
return (err);
|
|
|
|
}
|
|
|
|
void
|
|
cxgb_offload_deactivate(struct adapter *adapter)
|
|
{
|
|
struct t3cdev *tdev = &adapter->tdev;
|
|
struct t3c_data *t = T3C_DATA(tdev);
|
|
|
|
printf("removing adapter %p\n", adapter);
|
|
remove_adapter(adapter);
|
|
if (TAILQ_EMPTY(&adapter_list)) {
|
|
#if defined(CONFIG_CHELSIO_T3_MODULE)
|
|
restore_arp_sans_t3core();
|
|
#endif
|
|
}
|
|
free_tid_maps(&t->tid_maps);
|
|
T3C_DATA(tdev) = NULL;
|
|
t3_free_l2t(L2DATA(tdev));
|
|
L2DATA(tdev) = NULL;
|
|
free(t, M_CXGB);
|
|
}
|
|
|
|
|
|
static inline void
|
|
register_tdev(struct t3cdev *tdev)
|
|
{
|
|
static int unit;
|
|
|
|
mtx_lock(&cxgb_db_lock);
|
|
snprintf(tdev->name, sizeof(tdev->name), "ofld_dev%d", unit++);
|
|
TAILQ_INSERT_TAIL(&ofld_dev_list, tdev, entry);
|
|
mtx_unlock(&cxgb_db_lock);
|
|
}
|
|
|
|
static inline void
|
|
unregister_tdev(struct t3cdev *tdev)
|
|
{
|
|
mtx_lock(&cxgb_db_lock);
|
|
TAILQ_REMOVE(&ofld_dev_list, tdev, entry);
|
|
mtx_unlock(&cxgb_db_lock);
|
|
}
|
|
|
|
void
|
|
cxgb_adapter_ofld(struct adapter *adapter)
|
|
{
|
|
struct t3cdev *tdev = &adapter->tdev;
|
|
|
|
cxgb_set_dummy_ops(tdev);
|
|
tdev->send = t3_offload_tx;
|
|
tdev->ctl = cxgb_offload_ctl;
|
|
tdev->type = adapter->params.rev == 0 ?
|
|
T3A : T3B;
|
|
|
|
register_tdev(tdev);
|
|
#if 0
|
|
offload_proc_dev_init(tdev);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
cxgb_adapter_unofld(struct adapter *adapter)
|
|
{
|
|
struct t3cdev *tdev = &adapter->tdev;
|
|
#if 0
|
|
offload_proc_dev_cleanup(tdev);
|
|
offload_proc_dev_exit(tdev);
|
|
#endif
|
|
tdev->recv = NULL;
|
|
tdev->arp_update = NULL;
|
|
|
|
unregister_tdev(tdev);
|
|
}
|
|
|
|
void
|
|
cxgb_offload_init(void)
|
|
{
|
|
int i;
|
|
|
|
if (inited++)
|
|
return;
|
|
|
|
mtx_init(&cxgb_db_lock, "ofld db", NULL, MTX_DEF);
|
|
rw_init(&adapter_list_lock, "ofld adap list");
|
|
TAILQ_INIT(&client_list);
|
|
TAILQ_INIT(&ofld_dev_list);
|
|
TAILQ_INIT(&adapter_list);
|
|
|
|
for (i = 0; i < NUM_CPL_CMDS; ++i)
|
|
cpl_handlers[i] = do_bad_cpl;
|
|
|
|
t3_register_cpl_handler(CPL_SMT_WRITE_RPL, do_smt_write_rpl);
|
|
t3_register_cpl_handler(CPL_L2T_WRITE_RPL, do_l2t_write_rpl);
|
|
t3_register_cpl_handler(CPL_PASS_OPEN_RPL, do_stid_rpl);
|
|
t3_register_cpl_handler(CPL_CLOSE_LISTSRV_RPL, do_stid_rpl);
|
|
t3_register_cpl_handler(CPL_PASS_ACCEPT_REQ, do_cr);
|
|
t3_register_cpl_handler(CPL_PASS_ESTABLISH, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_ABORT_RPL_RSS, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_ABORT_RPL, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_RX_URG_NOTIFY, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_RX_DATA, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_TX_DATA_ACK, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_TX_DMA_ACK, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_ACT_OPEN_RPL, do_act_open_rpl);
|
|
t3_register_cpl_handler(CPL_PEER_CLOSE, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_CLOSE_CON_RPL, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_ABORT_REQ_RSS, do_abort_req_rss);
|
|
t3_register_cpl_handler(CPL_ACT_ESTABLISH, do_act_establish);
|
|
t3_register_cpl_handler(CPL_SET_TCB_RPL, do_set_tcb_rpl);
|
|
t3_register_cpl_handler(CPL_RDMA_TERMINATE, do_term);
|
|
t3_register_cpl_handler(CPL_RDMA_EC_STATUS, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_TRACE_PKT, do_trace);
|
|
t3_register_cpl_handler(CPL_RX_DATA_DDP, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_RX_DDP_COMPLETE, do_hwtid_rpl);
|
|
t3_register_cpl_handler(CPL_ISCSI_HDR, do_hwtid_rpl);
|
|
|
|
EVENTHANDLER_REGISTER(route_arp_update_event, cxgb_arp_update_event,
|
|
NULL, EVENTHANDLER_PRI_ANY);
|
|
EVENTHANDLER_REGISTER(route_redirect_event, cxgb_redirect_event,
|
|
NULL, EVENTHANDLER_PRI_ANY);
|
|
|
|
#if 0
|
|
if (offload_proc_init())
|
|
log(LOG_WARNING, "Unable to create /proc/net/cxgb3 dir\n");
|
|
#endif
|
|
}
|
|
|
|
void
|
|
cxgb_offload_exit(void)
|
|
{
|
|
|
|
if (--inited)
|
|
return;
|
|
|
|
mtx_destroy(&cxgb_db_lock);
|
|
rw_destroy(&adapter_list_lock);
|
|
#if 0
|
|
offload_proc_cleanup();
|
|
#endif
|
|
}
|
|
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MODULE_VERSION(if_cxgb, 1);
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