-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
# if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
-#ifndef HAVE_SYSCTL_UNNUMBERED
-
-enum {
- SOCKLND_TIMEOUT = 1,
- SOCKLND_CREDITS,
- SOCKLND_PEER_CREDITS,
- SOCKLND_NCONNDS,
- SOCKLND_RECONNECTS_MIN,
- SOCKLND_RECONNECTS_MAX,
- SOCKLND_EAGER_ACK,
- SOCKLND_ZERO_COPY,
- SOCKLND_TYPED,
- SOCKLND_BULK_MIN,
- SOCKLND_RX_BUFFER_SIZE,
- SOCKLND_TX_BUFFER_SIZE,
- SOCKLND_NAGLE,
- SOCKLND_IRQ_AFFINITY,
- SOCKLND_ROUND_ROBIN,
- SOCKLND_KEEPALIVE,
- SOCKLND_KEEPALIVE_IDLE,
- SOCKLND_KEEPALIVE_COUNT,
- SOCKLND_KEEPALIVE_INTVL,
- SOCKLND_BACKOFF_INIT,
- SOCKLND_BACKOFF_MAX,
- SOCKLND_PROTOCOL,
- SOCKLND_ZERO_COPY_RECV,
- SOCKLND_ZERO_COPY_RECV_MIN_NFRAGS
-};
-#else
-
-#define SOCKLND_TIMEOUT CTL_UNNUMBERED
-#define SOCKLND_CREDITS CTL_UNNUMBERED
-#define SOCKLND_PEER_CREDITS CTL_UNNUMBERED
-#define SOCKLND_NCONNDS CTL_UNNUMBERED
-#define SOCKLND_RECONNECTS_MIN CTL_UNNUMBERED
-#define SOCKLND_RECONNECTS_MAX CTL_UNNUMBERED
-#define SOCKLND_EAGER_ACK CTL_UNNUMBERED
-#define SOCKLND_ZERO_COPY CTL_UNNUMBERED
-#define SOCKLND_TYPED CTL_UNNUMBERED
-#define SOCKLND_BULK_MIN CTL_UNNUMBERED
-#define SOCKLND_RX_BUFFER_SIZE CTL_UNNUMBERED
-#define SOCKLND_TX_BUFFER_SIZE CTL_UNNUMBERED
-#define SOCKLND_NAGLE CTL_UNNUMBERED
-#define SOCKLND_IRQ_AFFINITY CTL_UNNUMBERED
-#define SOCKLND_ROUND_ROBIN CTL_UNNUMBERED
-#define SOCKLND_KEEPALIVE CTL_UNNUMBERED
-#define SOCKLND_KEEPALIVE_IDLE CTL_UNNUMBERED
-#define SOCKLND_KEEPALIVE_COUNT CTL_UNNUMBERED
-#define SOCKLND_KEEPALIVE_INTVL CTL_UNNUMBERED
-#define SOCKLND_BACKOFF_INIT CTL_UNNUMBERED
-#define SOCKLND_BACKOFF_MAX CTL_UNNUMBERED
-#define SOCKLND_PROTOCOL CTL_UNNUMBERED
-#define SOCKLND_ZERO_COPY_RECV CTL_UNNUMBERED
-#define SOCKLND_ZERO_COPY_RECV_MIN_NFRAGS CTL_UNNUMBERED
-#endif
-
-static cfs_sysctl_table_t ksocknal_ctl_table[] = {
- {
- .ctl_name = SOCKLND_TIMEOUT,
- .procname = "timeout",
- .data = &ksocknal_tunables.ksnd_timeout,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_CREDITS,
- .procname = "credits",
- .data = &ksocknal_tunables.ksnd_credits,
- .maxlen = sizeof (int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_PEER_CREDITS,
- .procname = "peer_credits",
- .data = &ksocknal_tunables.ksnd_peercredits,
- .maxlen = sizeof (int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_NCONNDS,
- .procname = "nconnds",
- .data = &ksocknal_tunables.ksnd_nconnds,
- .maxlen = sizeof (int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_RECONNECTS_MIN,
- .procname = "min_reconnectms",
- .data = &ksocknal_tunables.ksnd_min_reconnectms,
- .maxlen = sizeof (int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_RECONNECTS_MAX,
- .procname = "max_reconnectms",
- .data = &ksocknal_tunables.ksnd_max_reconnectms,
- .maxlen = sizeof (int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_EAGER_ACK,
- .procname = "eager_ack",
- .data = &ksocknal_tunables.ksnd_eager_ack,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_ZERO_COPY,
- .procname = "zero_copy",
- .data = &ksocknal_tunables.ksnd_zc_min_payload,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_ZERO_COPY_RECV,
- .procname = "zero_copy_recv",
- .data = &ksocknal_tunables.ksnd_zc_recv,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
-
- {
- .ctl_name = SOCKLND_ZERO_COPY_RECV_MIN_NFRAGS,
- .procname = "zero_copy_recv",
- .data = &ksocknal_tunables.ksnd_zc_recv_min_nfrags,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_TYPED,
- .procname = "typed",
- .data = &ksocknal_tunables.ksnd_typed_conns,
- .maxlen = sizeof (int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_BULK_MIN,
- .procname = "min_bulk",
- .data = &ksocknal_tunables.ksnd_min_bulk,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_RX_BUFFER_SIZE,
- .procname = "rx_buffer_size",
- .data = &ksocknal_tunables.ksnd_rx_buffer_size,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_TX_BUFFER_SIZE,
- .procname = "tx_buffer_size",
- .data = &ksocknal_tunables.ksnd_tx_buffer_size,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_NAGLE,
- .procname = "nagle",
- .data = &ksocknal_tunables.ksnd_nagle,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
+static struct ctl_table ksocknal_ctl_table[] = {
+ {
+ INIT_CTL_NAME
+ .procname = "timeout",
+ .data = &ksocknal_tunables.ksnd_timeout,
+ .maxlen = sizeof (int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "credits",
+ .data = &ksocknal_tunables.ksnd_credits,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "peer_credits",
+ .data = &ksocknal_tunables.ksnd_peertxcredits,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "peer_buffer_credits",
+ .data = &ksocknal_tunables.ksnd_peerrtrcredits,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "peer_timeout",
+ .data = &ksocknal_tunables.ksnd_peertimeout,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "nconnds",
+ .data = &ksocknal_tunables.ksnd_nconnds,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "min_reconnectms",
+ .data = &ksocknal_tunables.ksnd_min_reconnectms,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "max_reconnectms",
+ .data = &ksocknal_tunables.ksnd_max_reconnectms,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "eager_ack",
+ .data = &ksocknal_tunables.ksnd_eager_ack,
+ .maxlen = sizeof (int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "zero_copy",
+ .data = &ksocknal_tunables.ksnd_zc_min_payload,
+ .maxlen = sizeof (int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "zero_copy_recv",
+ .data = &ksocknal_tunables.ksnd_zc_recv,
+ .maxlen = sizeof (int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "zero_copy_recv",
+ .data = &ksocknal_tunables.ksnd_zc_recv_min_nfrags,
+ .maxlen = sizeof (int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "typed",
+ .data = &ksocknal_tunables.ksnd_typed_conns,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "min_bulk",
+ .data = &ksocknal_tunables.ksnd_min_bulk,
+ .maxlen = sizeof (int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "rx_buffer_size",
+ .data = &ksocknal_tunables.ksnd_rx_buffer_size,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "tx_buffer_size",
+ .data = &ksocknal_tunables.ksnd_tx_buffer_size,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "nagle",
+ .data = &ksocknal_tunables.ksnd_nagle,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
#ifdef CPU_AFFINITY
- {
- .ctl_name = SOCKLND_IRQ_AFFINITY,
- .procname = "irq_affinity",
- .data = &ksocknal_tunables.ksnd_irq_affinity,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
+ {
+ INIT_CTL_NAME
+ .procname = "irq_affinity",
+ .data = &ksocknal_tunables.ksnd_irq_affinity,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
#endif
- {
- .ctl_name = SOCKLND_ROUND_ROBIN,
- .procname = "round_robin",
- .data = &ksocknal_tunables.ksnd_round_robin,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_KEEPALIVE,
- .procname = "keepalive",
- .data = &ksocknal_tunables.ksnd_keepalive,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_KEEPALIVE_IDLE,
- .procname = "keepalive_idle",
- .data = &ksocknal_tunables.ksnd_keepalive_idle,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_KEEPALIVE_COUNT,
- .procname = "keepalive_count",
- .data = &ksocknal_tunables.ksnd_keepalive_count,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_KEEPALIVE_INTVL,
- .procname = "keepalive_intvl",
- .data = &ksocknal_tunables.ksnd_keepalive_intvl,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
+ {
+ INIT_CTL_NAME
+ .procname = "round_robin",
+ .data = &ksocknal_tunables.ksnd_round_robin,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "keepalive",
+ .data = &ksocknal_tunables.ksnd_keepalive,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "keepalive_idle",
+ .data = &ksocknal_tunables.ksnd_keepalive_idle,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "keepalive_count",
+ .data = &ksocknal_tunables.ksnd_keepalive_count,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "keepalive_intvl",
+ .data = &ksocknal_tunables.ksnd_keepalive_intvl,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
#ifdef SOCKNAL_BACKOFF
- {
- .ctl_name = SOCKLND_BACKOFF_INIT,
- .procname = "backoff_init",
- .data = &ksocknal_tunables.ksnd_backoff_init,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = SOCKLND_BACKOFF_MAX,
- .procname = "backoff_max",
- .data = &ksocknal_tunables.ksnd_backoff_max,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
+ {
+ INIT_CTL_NAME
+ .procname = "backoff_init",
+ .data = &ksocknal_tunables.ksnd_backoff_init,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "backoff_max",
+ .data = &ksocknal_tunables.ksnd_backoff_max,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
#endif
#if SOCKNAL_VERSION_DEBUG
- {
- .ctl_name = SOCKLND_PROTOCOL,
- .procname = "protocol",
- .data = &ksocknal_tunables.ksnd_protocol,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
+ {
+ INIT_CTL_NAME
+ .procname = "protocol",
+ .data = &ksocknal_tunables.ksnd_protocol,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
#endif
- {0}
+ { 0 }
};
-
-cfs_sysctl_table_t ksocknal_top_ctl_table[] = {
- {
- .ctl_name = CTL_SOCKLND,
- .procname = "socknal",
- .data = NULL,
- .maxlen = 0,
- .mode = 0555,
- .child = ksocknal_ctl_table
- },
- { 0 }
+struct ctl_table ksocknal_top_ctl_table[] = {
+ {
+ INIT_CTL_NAME
+ .procname = "socknal",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0555,
+ .child = ksocknal_ctl_table
+ },
+ { 0 }
};
int
ksocknal_lib_tunables_init ()
{
- if (!*ksocknal_tunables.ksnd_typed_conns) {
- int rc = -EINVAL;
+ if (!*ksocknal_tunables.ksnd_typed_conns) {
+ int rc = -EINVAL;
#if SOCKNAL_VERSION_DEBUG
- if (*ksocknal_tunables.ksnd_protocol < 3)
- rc = 0;
+ if (*ksocknal_tunables.ksnd_protocol < 3)
+ rc = 0;
#endif
- if (rc != 0) {
- CERROR("Protocol V3.x MUST have typed connections\n");
- return rc;
- }
- }
+ if (rc != 0) {
+ CERROR("Protocol V3.x MUST have typed connections\n");
+ return rc;
+ }
+ }
- if (*ksocknal_tunables.ksnd_zc_recv_min_nfrags < 2)
- *ksocknal_tunables.ksnd_zc_recv_min_nfrags = 2;
- if (*ksocknal_tunables.ksnd_zc_recv_min_nfrags > LNET_MAX_IOV)
- *ksocknal_tunables.ksnd_zc_recv_min_nfrags = LNET_MAX_IOV;
+ if (*ksocknal_tunables.ksnd_zc_recv_min_nfrags < 2)
+ *ksocknal_tunables.ksnd_zc_recv_min_nfrags = 2;
+ if (*ksocknal_tunables.ksnd_zc_recv_min_nfrags > LNET_MAX_IOV)
+ *ksocknal_tunables.ksnd_zc_recv_min_nfrags = LNET_MAX_IOV;
- ksocknal_tunables.ksnd_sysctl =
- cfs_register_sysctl_table(ksocknal_top_ctl_table, 0);
+ ksocknal_tunables.ksnd_sysctl =
+ register_sysctl_table(ksocknal_top_ctl_table);
- if (ksocknal_tunables.ksnd_sysctl == NULL)
- CWARN("Can't setup /proc tunables\n");
+ if (ksocknal_tunables.ksnd_sysctl == NULL)
+ CWARN("Can't setup /proc tunables\n");
- return 0;
+ return 0;
}
void
ksocknal_lib_tunables_fini ()
{
- if (ksocknal_tunables.ksnd_sysctl != NULL)
- cfs_unregister_sysctl_table(ksocknal_tunables.ksnd_sysctl);
+ if (ksocknal_tunables.ksnd_sysctl != NULL)
+ unregister_sysctl_table(ksocknal_tunables.ksnd_sysctl);
}
#else
int
}
#endif /* # if CONFIG_SYSCTL && !CFS_SYSFS_MODULE_PARM */
-void
-ksocknal_lib_bind_irq (unsigned int irq)
-{
-#if (defined(CONFIG_SMP) && defined(CPU_AFFINITY))
- int bind;
- int cpu;
- char cmdline[64];
- ksock_irqinfo_t *info;
- char *argv[] = {"/bin/sh",
- "-c",
- cmdline,
- NULL};
- char *envp[] = {"HOME=/",
- "PATH=/sbin:/bin:/usr/sbin:/usr/bin",
- NULL};
-
- LASSERT (irq < NR_IRQS);
- if (irq == 0) /* software NIC or affinity disabled */
- return;
-
- info = &ksocknal_data.ksnd_irqinfo[irq];
-
- cfs_write_lock_bh (&ksocknal_data.ksnd_global_lock);
-
- LASSERT (info->ksni_valid);
- bind = !info->ksni_bound;
- info->ksni_bound = 1;
-
- cfs_write_unlock_bh (&ksocknal_data.ksnd_global_lock);
-
- if (!bind) /* bound already */
- return;
-
- cpu = ksocknal_irqsched2cpu(info->ksni_sched);
- snprintf (cmdline, sizeof (cmdline),
- "echo %d > /proc/irq/%u/smp_affinity", 1 << cpu, irq);
-
- LCONSOLE_INFO("Binding irq %u to CPU %d with cmd: %s\n",
- irq, cpu, cmdline);
-
- /* FIXME: Find a better method of setting IRQ affinity...
- */
-
- USERMODEHELPER(argv[0], argv, envp);
-#endif
-}
-
int
ksocknal_lib_get_conn_addrs (ksock_conn_t *conn)
{
return 0;
}
-unsigned int
-ksocknal_lib_sock_irq (struct socket *sock)
-{
- int irq = 0;
-#ifdef CPU_AFFINITY
- struct dst_entry *dst;
-
- if (!*ksocknal_tunables.ksnd_irq_affinity)
- return 0;
-
- dst = sk_dst_get (sock->sk);
- if (dst != NULL) {
- if (dst->dev != NULL) {
- irq = dst->dev->irq;
- if (irq >= NR_IRQS) {
- CERROR ("Unexpected IRQ %x\n", irq);
- irq = 0;
- }
- }
- dst_release (dst);
- }
-
-#endif
- return irq;
-}
-
int
ksocknal_lib_zc_capable(ksock_conn_t *conn)
{
- int caps = conn->ksnc_sock->sk->sk_route_caps;
+ int caps = conn->ksnc_sock->sk->sk_route_caps;
- if (conn->ksnc_proto == &ksocknal_protocol_v1x)
- return 0;
+ if (conn->ksnc_proto == &ksocknal_protocol_v1x)
+ return 0;
- /* ZC if the socket supports scatter/gather and doesn't need software
- * checksums */
- return ((caps & NETIF_F_SG) != 0 &&
- (caps & (NETIF_F_IP_CSUM | NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)) != 0);
+ /* ZC if the socket supports scatter/gather and doesn't need software
+ * checksums */
+ return ((caps & NETIF_F_SG) != 0 && (caps & NETIF_F_ALL_CSUM) != 0);
}
int
-ksocknal_lib_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)
+ksocknal_lib_send_iov(ksock_conn_t *conn, ksock_tx_t *tx)
{
- struct socket *sock = conn->ksnc_sock;
- int nob;
- int rc;
+ struct socket *sock = conn->ksnc_sock;
+ int nob;
+ int rc;
- if (*ksocknal_tunables.ksnd_enable_csum && /* checksum enabled */
- conn->ksnc_proto == &ksocknal_protocol_v2x && /* V2.x connection */
- tx->tx_nob == tx->tx_resid && /* frist sending */
- tx->tx_msg.ksm_csum == 0) /* not checksummed */
- ksocknal_lib_csum_tx(tx);
+ if (*ksocknal_tunables.ksnd_enable_csum && /* checksum enabled */
+ conn->ksnc_proto == &ksocknal_protocol_v2x && /* V2.x connection */
+ tx->tx_nob == tx->tx_resid && /* frist sending */
+ tx->tx_msg.ksm_csum == 0) /* not checksummed */
+ ksocknal_lib_csum_tx(tx);
- /* NB we can't trust socket ops to either consume our iovs
- * or leave them alone. */
+ /* NB we can't trust socket ops to either consume our iovs
+ * or leave them alone. */
- {
+ {
#if SOCKNAL_SINGLE_FRAG_TX
- struct iovec scratch;
- struct iovec *scratchiov = &scratch;
- unsigned int niov = 1;
+ struct iovec scratch;
+ struct iovec *scratchiov = &scratch;
+ unsigned int niov = 1;
#else
struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
- unsigned int niov = tx->tx_niov;
+ unsigned int niov = tx->tx_niov;
#endif
- struct msghdr msg = {
- .msg_name = NULL,
- .msg_namelen = 0,
- .msg_iov = scratchiov,
- .msg_iovlen = niov,
- .msg_control = NULL,
- .msg_controllen = 0,
- .msg_flags = MSG_DONTWAIT
- };
- mm_segment_t oldmm = get_fs();
+ struct msghdr msg = { .msg_flags = MSG_DONTWAIT };
int i;
- for (nob = i = 0; i < niov; i++) {
- scratchiov[i] = tx->tx_iov[i];
- nob += scratchiov[i].iov_len;
- }
+ for (nob = i = 0; i < niov; i++) {
+ scratchiov[i] = tx->tx_iov[i];
+ nob += scratchiov[i].iov_len;
+ }
- if (!list_empty(&conn->ksnc_tx_queue) ||
- nob < tx->tx_resid)
- msg.msg_flags |= MSG_MORE;
+ if (!list_empty(&conn->ksnc_tx_queue) ||
+ nob < tx->tx_resid)
+ msg.msg_flags |= MSG_MORE;
- set_fs (KERNEL_DS);
- rc = sock_sendmsg(sock, &msg, nob);
- set_fs (oldmm);
- }
- return rc;
+ rc = kernel_sendmsg(sock, &msg, (struct kvec *)scratchiov,
+ niov, nob);
+ }
+ return rc;
}
int
-ksocknal_lib_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx)
+ksocknal_lib_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx)
{
struct socket *sock = conn->ksnc_sock;
lnet_kiov_t *kiov = tx->tx_kiov;
CDEBUG(D_NET, "page %p + offset %x for %d\n",
page, offset, kiov->kiov_len);
- if (!list_empty(&conn->ksnc_tx_queue) ||
+ if (!list_empty(&conn->ksnc_tx_queue) ||
fragsize < tx->tx_resid)
msgflg |= MSG_MORE;
rc = sk->sk_prot->sendpage(sk, page,
offset, fragsize, msgflg);
} else {
- rc = tcp_sendpage(sock, page, offset, fragsize, msgflg);
+ rc = cfs_tcp_sendpage(sk, page, offset, fragsize,
+ msgflg);
}
} else {
#if SOCKNAL_SINGLE_FRAG_TX || !SOCKNAL_RISK_KMAP_DEADLOCK
- struct iovec scratch;
- struct iovec *scratchiov = &scratch;
- unsigned int niov = 1;
+ struct iovec scratch;
+ struct iovec *scratchiov = &scratch;
+ unsigned int niov = 1;
#else
#ifdef CONFIG_HIGHMEM
#warning "XXX risk of kmap deadlock on multiple frags..."
#endif
- struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
- unsigned int niov = tx->tx_nkiov;
+ struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
+ unsigned int niov = tx->tx_nkiov;
#endif
- struct msghdr msg = {
- .msg_name = NULL,
- .msg_namelen = 0,
- .msg_iov = scratchiov,
- .msg_iovlen = niov,
- .msg_control = NULL,
- .msg_controllen = 0,
- .msg_flags = MSG_DONTWAIT
- };
- mm_segment_t oldmm = get_fs();
- int i;
-
- for (nob = i = 0; i < niov; i++) {
- scratchiov[i].iov_base = kmap(kiov[i].kiov_page) +
- kiov[i].kiov_offset;
- nob += scratchiov[i].iov_len = kiov[i].kiov_len;
- }
+ struct msghdr msg = { .msg_flags = MSG_DONTWAIT };
+ int i;
- if (!list_empty(&conn->ksnc_tx_queue) ||
- nob < tx->tx_resid)
- msg.msg_flags |= MSG_MORE;
+ for (nob = i = 0; i < niov; i++) {
+ scratchiov[i].iov_base = kmap(kiov[i].kiov_page) +
+ kiov[i].kiov_offset;
+ nob += scratchiov[i].iov_len = kiov[i].kiov_len;
+ }
- set_fs (KERNEL_DS);
- rc = sock_sendmsg(sock, &msg, nob);
- set_fs (oldmm);
+ if (!list_empty(&conn->ksnc_tx_queue) ||
+ nob < tx->tx_resid)
+ msg.msg_flags |= MSG_MORE;
- for (i = 0; i < niov; i++)
- kunmap(kiov[i].kiov_page);
- }
- return rc;
+ rc = kernel_sendmsg(sock, &msg, (struct kvec *)scratchiov, niov, nob);
+
+ for (i = 0; i < niov; i++)
+ kunmap(kiov[i].kiov_page);
+ }
+ return rc;
}
void
ksocknal_lib_recv_iov (ksock_conn_t *conn)
{
#if SOCKNAL_SINGLE_FRAG_RX
- struct iovec scratch;
- struct iovec *scratchiov = &scratch;
- unsigned int niov = 1;
+ struct iovec scratch;
+ struct iovec *scratchiov = &scratch;
+ unsigned int niov = 1;
#else
- struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
- unsigned int niov = conn->ksnc_rx_niov;
+ struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
+ unsigned int niov = conn->ksnc_rx_niov;
#endif
- struct iovec *iov = conn->ksnc_rx_iov;
- struct msghdr msg = {
- .msg_name = NULL,
- .msg_namelen = 0,
- .msg_iov = scratchiov,
- .msg_iovlen = niov,
- .msg_control = NULL,
- .msg_controllen = 0,
- .msg_flags = 0
- };
- mm_segment_t oldmm = get_fs();
+ struct iovec *iov = conn->ksnc_rx_iov;
+ struct msghdr msg = {
+ .msg_flags = 0
+ };
int nob;
int i;
int rc;
}
LASSERT (nob <= conn->ksnc_rx_nob_wanted);
- set_fs (KERNEL_DS);
- rc = sock_recvmsg (conn->ksnc_sock, &msg, nob, MSG_DONTWAIT);
- /* NB this is just a boolean..........................^ */
- set_fs (oldmm);
+ rc = kernel_recvmsg(conn->ksnc_sock, &msg,
+ (struct kvec *)scratchiov, niov, nob, MSG_DONTWAIT);
saved_csum = 0;
if (conn->ksnc_proto == &ksocknal_protocol_v2x) {
for (nob = i = 0; i < niov; i++) {
if ((kiov[i].kiov_offset != 0 && i > 0) ||
- (kiov[i].kiov_offset + kiov[i].kiov_len != CFS_PAGE_SIZE && i < niov - 1))
+ (kiov[i].kiov_offset + kiov[i].kiov_len !=
+ PAGE_CACHE_SIZE && i < niov - 1))
return NULL;
pages[i] = kiov[i].kiov_page;
#ifdef CONFIG_HIGHMEM
#warning "XXX risk of kmap deadlock on multiple frags..."
#endif
- struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
- struct page **pages = conn->ksnc_scheduler->kss_rx_scratch_pgs;
- unsigned int niov = conn->ksnc_rx_nkiov;
+ struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;
+ struct page **pages = conn->ksnc_scheduler->kss_rx_scratch_pgs;
+ unsigned int niov = conn->ksnc_rx_nkiov;
#endif
- lnet_kiov_t *kiov = conn->ksnc_rx_kiov;
- struct msghdr msg = {
- .msg_name = NULL,
- .msg_namelen = 0,
- .msg_iov = scratchiov,
- .msg_control = NULL,
- .msg_controllen = 0,
- .msg_flags = 0
- };
- mm_segment_t oldmm = get_fs();
+ lnet_kiov_t *kiov = conn->ksnc_rx_kiov;
+ struct msghdr msg = {
+ .msg_flags = 0
+ };
int nob;
int i;
int rc;
void *addr;
int sum;
int fragnob;
+ int n;
/* NB we can't trust socket ops to either consume our iovs
* or leave them alone. */
- if ((addr = ksocknal_lib_kiov_vmap(kiov, niov, scratchiov, pages)) != NULL) {
- nob = scratchiov[0].iov_len;
- msg.msg_iovlen = 1;
+ if ((addr = ksocknal_lib_kiov_vmap(kiov, niov, scratchiov, pages)) != NULL) {
+ nob = scratchiov[0].iov_len;
+ n = 1;
- } else {
- for (nob = i = 0; i < niov; i++) {
- nob += scratchiov[i].iov_len = kiov[i].kiov_len;
- scratchiov[i].iov_base = kmap(kiov[i].kiov_page) +
- kiov[i].kiov_offset;
- }
- msg.msg_iovlen = niov;
- }
+ } else {
+ for (nob = i = 0; i < niov; i++) {
+ nob += scratchiov[i].iov_len = kiov[i].kiov_len;
+ scratchiov[i].iov_base = kmap(kiov[i].kiov_page) +
+ kiov[i].kiov_offset;
+ }
+ n = niov;
+ }
- LASSERT (nob <= conn->ksnc_rx_nob_wanted);
+ LASSERT (nob <= conn->ksnc_rx_nob_wanted);
- set_fs (KERNEL_DS);
- rc = sock_recvmsg (conn->ksnc_sock, &msg, nob, MSG_DONTWAIT);
- /* NB this is just a boolean.......................^ */
- set_fs (oldmm);
+ rc = kernel_recvmsg(conn->ksnc_sock, &msg,
+ (struct kvec *)scratchiov, n, nob, MSG_DONTWAIT);
if (conn->ksnc_msg.ksm_csum != 0) {
for (i = 0, sum = rc; sum > 0; i++, sum -= fragnob) {
return (0);
}
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-struct tcp_opt *sock2tcp_opt(struct sock *sk)
-{
- return &(sk->tp_pinfo.af_tcp);
-}
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,10))
-#define sock2tcp_opt(sk) tcp_sk(sk)
-#else
-struct tcp_opt *sock2tcp_opt(struct sock *sk)
-{
- struct tcp_sock *s = (struct tcp_sock *)sk;
- return &s->tcp;
-}
-#endif
-
void
ksocknal_lib_push_conn (ksock_conn_t *conn)
{
struct sock *sk;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11))
- struct tcp_opt *tp;
-#else
struct tcp_sock *tp;
-#endif
int nonagle;
int val = 1;
int rc;
if (rc != 0) /* being shut down */
return;
- sk = conn->ksnc_sock->sk;
- tp = sock2tcp_opt(sk);
+ sk = conn->ksnc_sock->sk;
+ tp = tcp_sk(sk);
lock_sock (sk);
nonagle = tp->nonagle;
* socket call back in Linux
*/
static void
-ksocknal_data_ready (struct sock *sk, int n)
+#ifdef HAVE_SK_DATA_READY_ONE_ARG
+ksocknal_data_ready(struct sock *sk)
+#else
+ksocknal_data_ready(struct sock *sk, int n)
+#endif
{
- ksock_conn_t *conn;
- ENTRY;
+ ksock_conn_t *conn;
+ ENTRY;
/* interleave correctly with closing sockets... */
LASSERT(!in_irq());
- cfs_read_lock (&ksocknal_data.ksnd_global_lock);
+ read_lock(&ksocknal_data.ksnd_global_lock);
- conn = sk->sk_user_data;
- if (conn == NULL) { /* raced with ksocknal_terminate_conn */
- LASSERT (sk->sk_data_ready != &ksocknal_data_ready);
- sk->sk_data_ready (sk, n);
- } else
- ksocknal_read_callback(conn);
+ conn = sk->sk_user_data;
+ if (conn == NULL) { /* raced with ksocknal_terminate_conn */
+ LASSERT(sk->sk_data_ready != &ksocknal_data_ready);
+#ifdef HAVE_SK_DATA_READY_ONE_ARG
+ sk->sk_data_ready(sk);
+#else
+ sk->sk_data_ready(sk, n);
+#endif
+ } else
+ ksocknal_read_callback(conn);
- cfs_read_unlock (&ksocknal_data.ksnd_global_lock);
+ read_unlock(&ksocknal_data.ksnd_global_lock);
- EXIT;
+ EXIT;
}
static void
/* interleave correctly with closing sockets... */
LASSERT(!in_irq());
- cfs_read_lock (&ksocknal_data.ksnd_global_lock);
+ read_lock(&ksocknal_data.ksnd_global_lock);
conn = sk->sk_user_data;
wspace = SOCKNAL_WSPACE(sk);
" ready" : " blocked"),
(conn == NULL) ? "" : (conn->ksnc_tx_scheduled ?
" scheduled" : " idle"),
- (conn == NULL) ? "" : (list_empty (&conn->ksnc_tx_queue) ?
+ (conn == NULL) ? "" : (list_empty(&conn->ksnc_tx_queue) ?
" empty" : " queued"));
if (conn == NULL) { /* raced with ksocknal_terminate_conn */
LASSERT (sk->sk_write_space != &ksocknal_write_space);
sk->sk_write_space (sk);
- cfs_read_unlock (&ksocknal_data.ksnd_global_lock);
+ read_unlock(&ksocknal_data.ksnd_global_lock);
return;
}
clear_bit (SOCK_NOSPACE, &sk->sk_socket->flags);
}
- cfs_read_unlock (&ksocknal_data.ksnd_global_lock);
+ read_unlock(&ksocknal_data.ksnd_global_lock);
}
void
int
ksocknal_lib_memory_pressure(ksock_conn_t *conn)
{
- int rc = 0;
- ksock_sched_t *sched;
-
- sched = conn->ksnc_scheduler;
- cfs_spin_lock_bh (&sched->kss_lock);
-
+ int rc = 0;
+ ksock_sched_t *sched;
+
+ sched = conn->ksnc_scheduler;
+ spin_lock_bh(&sched->kss_lock);
+
if (!SOCK_TEST_NOSPACE(conn->ksnc_sock) &&
!conn->ksnc_tx_ready) {
/* SOCK_NOSPACE is set when the socket fills
* after a timeout */
rc = -ENOMEM;
}
-
- cfs_spin_unlock_bh (&sched->kss_lock);
-
- return rc;
-}
-
-__u64
-ksocknal_lib_new_incarnation(void)
-{
- struct timeval tv;
-
- /* The incarnation number is the time this module loaded and it
- * identifies this particular instance of the socknal. Hopefully
- * we won't be able to reboot more frequently than 1MHz for the
- * forseeable future :) */
-
- do_gettimeofday(&tv);
-
- return (((__u64)tv.tv_sec) * 1000000) + tv.tv_usec;
-}
-
-int
-ksocknal_lib_bind_thread_to_cpu(int id)
-{
-#if defined(CONFIG_SMP) && defined(CPU_AFFINITY)
- id = ksocknal_sched2cpu(id);
- if (cpu_online(id)) {
- cpumask_t m = CPU_MASK_NONE;
- cpu_set(id, m);
- set_cpus_allowed(current, m);
- return 0;
- }
- return -1;
+ spin_unlock_bh(&sched->kss_lock);
-#else
- return 0;
-#endif
+ return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff