diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-04 18:52:21 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-04 18:52:21 +0300 |
commit | 25431e900dc47abb312c9ae8599e8c8ae038eb5a (patch) | |
tree | 3d67ac01e65668d673bfee18cfeb0ed8bc0027fa | |
parent | 0d7a063fa7b918d2a61cdd63232286d4131774de (diff) | |
parent | 55128bc23e9ab44e97f81f6cd349035230ee59a6 (diff) | |
download | linux-25431e900dc47abb312c9ae8599e8c8ae038eb5a.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
sunrpc: fix rdma dependencies
e1000: Fix PCI enable to honor the need_ioport flag
sgi-xp: link XPNET's net_device_ops to its net_device structure
pcnet_cs: Fix misuse of the equality operator.
hso: add new device id's
dca: redesign locks to fix deadlocks
cassini/sungem: limit reaches -1, but 0 tested
net: variables reach -1, but 0 tested
qlge: bugfix: Add missing netif_napi_del call.
qlge: bugfix: Add flash offset for second port.
qlge: bugfix: Fix endian issue when reading flash.
udp: increments sk_drops in __udp_queue_rcv_skb()
net: Fix userland breakage wrt. linux/if_tunnel.h
net: packet socket packet_lookup_frame fix
-rw-r--r-- | drivers/dca/dca-core.c | 51 | ||||
-rw-r--r-- | drivers/misc/sgi-xp/xpnet.c | 3 | ||||
-rw-r--r-- | drivers/net/cassini.c | 4 | ||||
-rw-r--r-- | drivers/net/e1000/e1000_main.c | 2 | ||||
-rw-r--r-- | drivers/net/ibm_newemac/phy.c | 4 | ||||
-rw-r--r-- | drivers/net/pcmcia/pcnet_cs.c | 2 | ||||
-rw-r--r-- | drivers/net/qlge/qlge.h | 10 | ||||
-rw-r--r-- | drivers/net/qlge/qlge_main.c | 25 | ||||
-rw-r--r-- | drivers/net/smc911x.c | 4 | ||||
-rw-r--r-- | drivers/net/smsc9420.c | 12 | ||||
-rw-r--r-- | drivers/net/sungem.c | 2 | ||||
-rw-r--r-- | drivers/net/sungem_phy.c | 2 | ||||
-rw-r--r-- | drivers/net/sunqe.c | 2 | ||||
-rw-r--r-- | drivers/net/tsi108_eth.c | 2 | ||||
-rw-r--r-- | drivers/net/tulip/de2104x.c | 2 | ||||
-rw-r--r-- | drivers/net/usb/hso.c | 4 | ||||
-rw-r--r-- | include/linux/Kbuild | 2 | ||||
-rw-r--r-- | include/linux/if_tunnel.h | 3 | ||||
-rw-r--r-- | net/ipv4/udp.c | 4 | ||||
-rw-r--r-- | net/packet/af_packet.c | 8 | ||||
-rw-r--r-- | net/sunrpc/Kconfig | 2 |
21 files changed, 93 insertions, 57 deletions
diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c index 55433849bfa6..33bd75347518 100644 --- a/drivers/dca/dca-core.c +++ b/drivers/dca/dca-core.c @@ -28,7 +28,7 @@ #include <linux/device.h> #include <linux/dca.h> -#define DCA_VERSION "1.4" +#define DCA_VERSION "1.8" MODULE_VERSION(DCA_VERSION); MODULE_LICENSE("GPL"); @@ -60,16 +60,17 @@ int dca_add_requester(struct device *dev) { struct dca_provider *dca; int err, slot = -ENODEV; + unsigned long flags; if (!dev) return -EFAULT; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); /* check if the requester has not been added already */ dca = dca_find_provider_by_dev(dev); if (dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -EEXIST; } @@ -78,19 +79,21 @@ int dca_add_requester(struct device *dev) if (slot >= 0) break; } - if (slot < 0) { - spin_unlock(&dca_lock); + + spin_unlock_irqrestore(&dca_lock, flags); + + if (slot < 0) return slot; - } err = dca_sysfs_add_req(dca, dev, slot); if (err) { - dca->ops->remove_requester(dca, dev); - spin_unlock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); + if (dca == dca_find_provider_by_dev(dev)) + dca->ops->remove_requester(dca, dev); + spin_unlock_irqrestore(&dca_lock, flags); return err; } - spin_unlock(&dca_lock); return 0; } EXPORT_SYMBOL_GPL(dca_add_requester); @@ -103,25 +106,25 @@ int dca_remove_requester(struct device *dev) { struct dca_provider *dca; int slot; + unsigned long flags; if (!dev) return -EFAULT; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); dca = dca_find_provider_by_dev(dev); if (!dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -ENODEV; } slot = dca->ops->remove_requester(dca, dev); - if (slot < 0) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); + + if (slot < 0) return slot; - } dca_sysfs_remove_req(dca, slot); - spin_unlock(&dca_lock); return 0; } EXPORT_SYMBOL_GPL(dca_remove_requester); @@ -135,17 +138,18 @@ u8 dca_common_get_tag(struct device *dev, int cpu) { struct dca_provider *dca; u8 tag; + unsigned long flags; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); dca = dca_find_provider_by_dev(dev); if (!dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -ENODEV; } tag = dca->ops->get_tag(dca, dev, cpu); - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return tag; } @@ -217,11 +221,16 @@ static BLOCKING_NOTIFIER_HEAD(dca_provider_chain); int register_dca_provider(struct dca_provider *dca, struct device *dev) { int err; + unsigned long flags; err = dca_sysfs_add_provider(dca, dev); if (err) return err; + + spin_lock_irqsave(&dca_lock, flags); list_add(&dca->node, &dca_providers); + spin_unlock_irqrestore(&dca_lock, flags); + blocking_notifier_call_chain(&dca_provider_chain, DCA_PROVIDER_ADD, NULL); return 0; @@ -234,9 +243,15 @@ EXPORT_SYMBOL_GPL(register_dca_provider); */ void unregister_dca_provider(struct dca_provider *dca) { + unsigned long flags; + blocking_notifier_call_chain(&dca_provider_chain, DCA_PROVIDER_REMOVE, NULL); + + spin_lock_irqsave(&dca_lock, flags); list_del(&dca->node); + spin_unlock_irqrestore(&dca_lock, flags); + dca_sysfs_remove_provider(dca); } EXPORT_SYMBOL_GPL(unregister_dca_provider); diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c index 7957f525b2f4..6faefcffcb53 100644 --- a/drivers/misc/sgi-xp/xpnet.c +++ b/drivers/misc/sgi-xp/xpnet.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1999-2008 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1999-2009 Silicon Graphics, Inc. All rights reserved. */ /* @@ -551,6 +551,7 @@ xpnet_init(void) netif_carrier_off(xpnet_device); + xpnet_device->netdev_ops = &xpnet_netdev_ops; xpnet_device->mtu = XPNET_DEF_MTU; /* diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 840b3d1a22f5..bbbc3bb08aa5 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -806,7 +806,7 @@ static int cas_reset_mii_phy(struct cas *cp) cas_phy_write(cp, MII_BMCR, BMCR_RESET); udelay(100); - while (limit--) { + while (--limit) { val = cas_phy_read(cp, MII_BMCR); if ((val & BMCR_RESET) == 0) break; @@ -979,7 +979,7 @@ static void cas_phy_init(struct cas *cp) writel(val, cp->regs + REG_PCS_MII_CTRL); limit = STOP_TRIES; - while (limit-- > 0) { + while (--limit > 0) { udelay(10); if ((readl(cp->regs + REG_PCS_MII_CTRL) & PCS_MII_RESET) == 0) diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index c986978ce761..6bd63cc67b3e 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -940,7 +940,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, err = pci_enable_device(pdev); } else { bars = pci_select_bars(pdev, IORESOURCE_MEM); - err = pci_enable_device(pdev); + err = pci_enable_device_mem(pdev); } if (err) return err; diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c index c40cd8df2212..ac9d964e59ec 100644 --- a/drivers/net/ibm_newemac/phy.c +++ b/drivers/net/ibm_newemac/phy.c @@ -60,7 +60,7 @@ int emac_mii_reset_phy(struct mii_phy *phy) udelay(300); - while (limit--) { + while (--limit) { val = phy_read(phy, MII_BMCR); if (val >= 0 && (val & BMCR_RESET) == 0) break; @@ -84,7 +84,7 @@ int emac_mii_reset_gpcs(struct mii_phy *phy) udelay(300); - while (limit--) { + while (--limit) { val = gpcs_phy_read(phy, MII_BMCR); if (val >= 0 && (val & BMCR_RESET) == 0) break; diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index c38ed777f0a8..a6999403f37b 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -586,7 +586,7 @@ static int pcnet_config(struct pcmcia_device *link) } if ((link->conf.ConfigBase == 0x03c0) - && (link->manf_id == 0x149) && (link->card_id = 0xc1ab)) { + && (link->manf_id == 0x149) && (link->card_id == 0xc1ab)) { printk(KERN_INFO "pcnet_cs: this is an AX88190 card!\n"); printk(KERN_INFO "pcnet_cs: use axnet_cs instead.\n"); goto failed; diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index c1dadadfab18..e6fdce9206cc 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -787,12 +787,12 @@ struct mbox_params { struct flash_params { u8 dev_id_str[4]; - u16 size; - u16 csum; - u16 ver; - u16 sub_dev_id; + __le16 size; + __le16 csum; + __le16 ver; + __le16 sub_dev_id; u8 mac_addr[6]; - u16 res; + __le16 res; }; diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 45421c8b6010..3d1d7b6e55aa 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -641,7 +641,7 @@ static void ql_enable_all_completion_interrupts(struct ql_adapter *qdev) } -static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data) +static int ql_read_flash_word(struct ql_adapter *qdev, int offset, __le32 *data) { int status = 0; /* wait for reg to come ready */ @@ -656,8 +656,11 @@ static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data) FLASH_ADDR, FLASH_ADDR_RDY, FLASH_ADDR_ERR); if (status) goto exit; - /* get the data */ - *data = ql_read32(qdev, FLASH_DATA); + /* This data is stored on flash as an array of + * __le32. Since ql_read32() returns cpu endian + * we need to swap it back. + */ + *data = cpu_to_le32(ql_read32(qdev, FLASH_DATA)); exit: return status; } @@ -666,13 +669,20 @@ static int ql_get_flash_params(struct ql_adapter *qdev) { int i; int status; - u32 *p = (u32 *)&qdev->flash; + __le32 *p = (__le32 *)&qdev->flash; + u32 offset = 0; + + /* Second function's parameters follow the first + * function's. + */ + if (qdev->func) + offset = sizeof(qdev->flash) / sizeof(u32); if (ql_sem_spinlock(qdev, SEM_FLASH_MASK)) return -ETIMEDOUT; for (i = 0; i < sizeof(qdev->flash) / sizeof(u32); i++, p++) { - status = ql_read_flash_word(qdev, i, p); + status = ql_read_flash_word(qdev, i+offset, p); if (status) { QPRINTK(qdev, IFUP, ERR, "Error reading flash.\n"); goto exit; @@ -3826,7 +3836,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *ndev = pci_get_drvdata(pdev); struct ql_adapter *qdev = netdev_priv(ndev); - int err; + int err, i; netif_device_detach(ndev); @@ -3836,6 +3846,9 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) return err; } + for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++) + netif_napi_del(&qdev->rx_ring[i].napi); + err = pci_save_state(pdev); if (err) return err; diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index bf3aa2a1effe..223cde0d43be 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -220,9 +220,9 @@ static void smc911x_reset(struct net_device *dev) /* make sure EEPROM has finished loading before setting GPIO_CFG */ timeout=1000; - while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) { + while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) udelay(10); - } + if (timeout == 0){ PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name); return; diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c index d801900a5036..a1e4b3895b33 100644 --- a/drivers/net/smsc9420.c +++ b/drivers/net/smsc9420.c @@ -498,7 +498,7 @@ static void smsc9420_check_mac_address(struct net_device *dev) static void smsc9420_stop_tx(struct smsc9420_pdata *pd) { u32 dmac_control, mac_cr, dma_intr_ena; - int timeOut = 1000; + int timeout = 1000; /* disable TX DMAC */ dmac_control = smsc9420_reg_read(pd, DMAC_CONTROL); @@ -506,13 +506,13 @@ static void smsc9420_stop_tx(struct smsc9420_pdata *pd) smsc9420_reg_write(pd, DMAC_CONTROL, dmac_control); /* Wait max 10ms for transmit process to stop */ - while (timeOut--) { + while (--timeout) { if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_TS_) break; udelay(10); } - if (!timeOut) + if (!timeout) smsc_warn(IFDOWN, "TX DMAC failed to stop"); /* ACK Tx DMAC stop bit */ @@ -596,7 +596,7 @@ static void smsc9420_free_rx_ring(struct smsc9420_pdata *pd) static void smsc9420_stop_rx(struct smsc9420_pdata *pd) { - int timeOut = 1000; + int timeout = 1000; u32 mac_cr, dmac_control, dma_intr_ena; /* mask RX DMAC interrupts */ @@ -617,13 +617,13 @@ static void smsc9420_stop_rx(struct smsc9420_pdata *pd) smsc9420_pci_flush_write(pd); /* wait up to 10ms for receive to stop */ - while (timeOut--) { + while (--timeout) { if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_RS_) break; udelay(10); } - if (!timeOut) + if (!timeout) smsc_warn(IFDOWN, "RX DMAC did not stop! timeout."); /* ACK the Rx DMAC stop bit */ diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 86c765d83de1..b17efa9cc530 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -148,7 +148,7 @@ static u16 __phy_read(struct gem *gp, int phy_addr, int reg) cmd |= (MIF_FRAME_TAMSB); writel(cmd, gp->regs + MIF_FRAME); - while (limit--) { + while (--limit) { cmd = readl(gp->regs + MIF_FRAME); if (cmd & MIF_FRAME_TALSB) break; diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c index 61843fd57525..78f8cee5fd74 100644 --- a/drivers/net/sungem_phy.c +++ b/drivers/net/sungem_phy.c @@ -79,7 +79,7 @@ static int reset_one_mii_phy(struct mii_phy* phy, int phy_id) udelay(100); - while (limit--) { + while (--limit) { val = __phy_read(phy, phy_id, MII_BMCR); if ((val & BMCR_RESET) == 0) break; diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c index 6e8f377355fe..fe0c3f244562 100644 --- a/drivers/net/sunqe.c +++ b/drivers/net/sunqe.c @@ -227,7 +227,7 @@ static int qe_init(struct sunqe *qep, int from_irq) if (!(sbus_readb(mregs + MREGS_PHYCONFIG) & MREGS_PHYCONFIG_LTESTDIS)) { int tries = 50; - while (tries--) { + while (--tries) { u8 tmp; mdelay(5); diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 75461dbd4876..a9fd2b2ccaf6 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -1237,7 +1237,7 @@ static void tsi108_init_phy(struct net_device *dev) spin_lock_irqsave(&phy_lock, flags); tsi108_write_mii(data, MII_BMCR, BMCR_RESET); - while (i--){ + while (--i) { if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET)) break; udelay(10); diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index d5d53b633cf8..0bf2114738be 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -392,7 +392,7 @@ static void de_rx (struct de_private *de) unsigned drop = 0; int rc; - while (rx_work--) { + while (--rx_work) { u32 status, len; dma_addr_t mapping; struct sk_buff *skb, *copy_skb; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 0d0fa91c0251..fe98acaead97 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -455,6 +455,7 @@ static const struct usb_device_id hso_ids[] = { {icon321_port_device(0x0af0, 0xd033)}, /* Icon-322 */ {USB_DEVICE(0x0af0, 0x7301)}, /* GE40x */ {USB_DEVICE(0x0af0, 0x7361)}, /* GE40x */ + {USB_DEVICE(0x0af0, 0x7381)}, /* GE40x */ {USB_DEVICE(0x0af0, 0x7401)}, /* GI 0401 */ {USB_DEVICE(0x0af0, 0x7501)}, /* GTM 382 */ {USB_DEVICE(0x0af0, 0x7601)}, /* GE40x */ @@ -462,7 +463,8 @@ static const struct usb_device_id hso_ids[] = { {USB_DEVICE(0x0af0, 0x7801)}, {USB_DEVICE(0x0af0, 0x7901)}, {USB_DEVICE(0x0af0, 0x7361)}, - {icon321_port_device(0x0af0, 0xd051)}, + {USB_DEVICE(0x0af0, 0xd057)}, + {USB_DEVICE(0x0af0, 0xd055)}, {} }; MODULE_DEVICE_TABLE(usb, hso_ids); diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 2124c063a7ef..b97cdc516a8f 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -90,7 +90,6 @@ header-y += if_ppp.h header-y += if_slip.h header-y += if_strip.h header-y += if_tun.h -header-y += if_tunnel.h header-y += in_route.h header-y += ioctl.h header-y += ip6_tunnel.h @@ -236,6 +235,7 @@ unifdef-y += if_phonet.h unifdef-y += if_pppol2tp.h unifdef-y += if_pppox.h unifdef-y += if_tr.h +unifdef-y += if_tunnel.h unifdef-y += if_vlan.h unifdef-y += igmp.h unifdef-y += inet_diag.h diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h index aeab2cb32a9c..82c43624c067 100644 --- a/include/linux/if_tunnel.h +++ b/include/linux/if_tunnel.h @@ -2,7 +2,10 @@ #define _IF_TUNNEL_H_ #include <linux/types.h> + +#ifdef __KERNEL__ #include <linux/ip.h> +#endif #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index b7faffe5c029..1ab180bad72a 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1015,9 +1015,11 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) { /* Note that an ENOMEM error is charged twice */ - if (rc == -ENOMEM) + if (rc == -ENOMEM) { UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, is_udplite); + atomic_inc(&sk->sk_drops); + } goto drop; } diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 9454d4ae46df..1fc4a7885c41 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -222,13 +222,13 @@ static void *packet_lookup_frame(struct packet_sock *po, unsigned int position, h.raw = po->pg_vec[pg_vec_pos] + (frame_offset * po->frame_size); switch (po->tp_version) { case TPACKET_V1: - if (status != h.h1->tp_status ? TP_STATUS_USER : - TP_STATUS_KERNEL) + if (status != (h.h1->tp_status ? TP_STATUS_USER : + TP_STATUS_KERNEL)) return NULL; break; case TPACKET_V2: - if (status != h.h2->tp_status ? TP_STATUS_USER : - TP_STATUS_KERNEL) + if (status != (h.h2->tp_status ? TP_STATUS_USER : + TP_STATUS_KERNEL)) return NULL; break; } diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig index dcef600d0bf5..5592883e1e4a 100644 --- a/net/sunrpc/Kconfig +++ b/net/sunrpc/Kconfig @@ -6,7 +6,7 @@ config SUNRPC_GSS config SUNRPC_XPRT_RDMA tristate - depends on SUNRPC && INFINIBAND && EXPERIMENTAL + depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS && EXPERIMENTAL default SUNRPC && INFINIBAND help This option allows the NFS client and server to support |