diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index d2439b85a790..71d2c5cfdad9 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -66,8 +66,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.93" -#define DRV_MODULE_RELDATE "May 22, 2008" +#define DRV_MODULE_VERSION "3.94" +#define DRV_MODULE_RELDATE "August 14, 2008" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -536,6 +536,7 @@ static int tg3_ape_lock(struct tg3 *tp, int locknum) return 0; switch (locknum) { + case TG3_APE_LOCK_GRC: case TG3_APE_LOCK_MEM: break; default: @@ -573,6 +574,7 @@ static void tg3_ape_unlock(struct tg3 *tp, int locknum) return; switch (locknum) { + case TG3_APE_LOCK_GRC: case TG3_APE_LOCK_MEM: break; default: @@ -1017,16 +1019,44 @@ static void tg3_mdio_fini(struct tg3 *tp) } } +/* tp->lock is held. */ +static inline void tg3_generate_fw_event(struct tg3 *tp) +{ + u32 val; + + val = tr32(GRC_RX_CPU_EVENT); + val |= GRC_RX_CPU_DRIVER_EVENT; + tw32_f(GRC_RX_CPU_EVENT, val); + + tp->last_event_jiffies = jiffies; +} + +#define TG3_FW_EVENT_TIMEOUT_USEC 2500 + /* tp->lock is held. */ static void tg3_wait_for_event_ack(struct tg3 *tp) { int i; + unsigned int delay_cnt; + long time_remain; - /* Wait for up to 2.5 milliseconds */ - for (i = 0; i < 250000; i++) { + /* If enough time has passed, no wait is necessary. */ + time_remain = (long)(tp->last_event_jiffies + 1 + + usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) - + (long)jiffies; + if (time_remain < 0) + return; + + /* Check if we can shorten the wait time. */ + delay_cnt = jiffies_to_usecs(time_remain); + if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC) + delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC; + delay_cnt = (delay_cnt >> 3) + 1; + + for (i = 0; i < delay_cnt; i++) { if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT)) break; - udelay(10); + udelay(8); } } @@ -1075,9 +1105,7 @@ static void tg3_ump_link_report(struct tg3 *tp) val = 0; tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val); - val = tr32(GRC_RX_CPU_EVENT); - val |= GRC_RX_CPU_DRIVER_EVENT; - tw32_f(GRC_RX_CPU_EVENT, val); + tg3_generate_fw_event(tp); } static void tg3_link_report(struct tg3 *tp) @@ -2124,6 +2152,13 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)) mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE; + if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) { + mac_mode |= tp->mac_mode & + (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN); + if (mac_mode & MAC_MODE_APE_TX_EN) + mac_mode |= MAC_MODE_TDE_ENABLE; + } + tw32_f(MAC_MODE, mac_mode); udelay(100); @@ -5493,7 +5528,7 @@ static void tg3_ape_send_event(struct tg3 *tp, u32 event) return; apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS); - if (apedata != APE_FW_STATUS_READY) + if (!(apedata & APE_FW_STATUS_READY)) return; /* Wait for up to 1 millisecond for APE to service previous event. */ @@ -5760,6 +5795,8 @@ static int tg3_chip_reset(struct tg3 *tp) tg3_mdio_stop(tp); + tg3_ape_lock(tp, TG3_APE_LOCK_GRC); + /* No matching tg3_nvram_unlock() after this because * chip reset below will undo the nvram lock. */ @@ -5908,12 +5945,19 @@ static int tg3_chip_reset(struct tg3 *tp) } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) { tp->mac_mode = MAC_MODE_PORT_MODE_GMII; tw32_f(MAC_MODE, tp->mac_mode); + } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) { + tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN); + if (tp->mac_mode & MAC_MODE_APE_TX_EN) + tp->mac_mode |= MAC_MODE_TDE_ENABLE; + tw32_f(MAC_MODE, tp->mac_mode); } else tw32_f(MAC_MODE, 0); udelay(40); tg3_mdio_start(tp); + tg3_ape_unlock(tp, TG3_APE_LOCK_GRC); + err = tg3_poll_fw(tp); if (err) return err; @@ -5935,6 +5979,7 @@ static int tg3_chip_reset(struct tg3 *tp) tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg); if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) { tp->tg3_flags |= TG3_FLAG_ENABLE_ASF; + tp->last_event_jiffies = jiffies; if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE; } @@ -5948,15 +5993,12 @@ static void tg3_stop_fw(struct tg3 *tp) { if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) { - u32 val; - /* Wait for RX cpu to ACK the previous event. */ tg3_wait_for_event_ack(tp); tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW); - val = tr32(GRC_RX_CPU_EVENT); - val |= GRC_RX_CPU_DRIVER_EVENT; - tw32(GRC_RX_CPU_EVENT, val); + + tg3_generate_fw_event(tp); /* Wait for RX cpu to ACK this event. */ tg3_wait_for_event_ack(tp); @@ -7406,7 +7448,11 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) udelay(10); } - tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE | + if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) + tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN; + else + tp->mac_mode = 0; + tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE | MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE; if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) && !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) && @@ -7840,9 +7886,8 @@ static void tg3_timer(unsigned long __opaque) * resets. */ if (!--tp->asf_counter) { - if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) { - u32 val; - + if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) && + !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) { tg3_wait_for_event_ack(tp); tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, @@ -7850,9 +7895,8 @@ static void tg3_timer(unsigned long __opaque) tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4); /* 5 seconds timeout */ tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5); - val = tr32(GRC_RX_CPU_EVENT); - val |= GRC_RX_CPU_DRIVER_EVENT; - tw32_f(GRC_RX_CPU_EVENT, val); + + tg3_generate_fw_event(tp); } tp->asf_counter = tp->asf_multiplier; } @@ -8422,6 +8466,11 @@ static inline unsigned long get_stat64(tg3_stat64_t *val) return ret; } +static inline u64 get_estat64(tg3_stat64_t *val) +{ + return ((u64)val->high << 32) | ((u64)val->low); +} + static unsigned long calc_crc_errors(struct tg3 *tp) { struct tg3_hw_stats *hw_stats = tp->hw_stats; @@ -8450,7 +8499,7 @@ static unsigned long calc_crc_errors(struct tg3 *tp) #define ESTAT_ADD(member) \ estats->member = old_estats->member + \ - get_stat64(&hw_stats->member) + get_estat64(&hw_stats->member) static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp) { @@ -12416,6 +12465,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) tp->misc_host_ctrl); } + /* Preserve the APE MAC_MODE bits */ + if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) + tp->mac_mode = tr32(MAC_MODE) | + MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN; + else + tp->mac_mode = TG3_DEF_MAC_MODE; + /* these are limited to 10/100 only */ if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 && (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) || @@ -13275,7 +13331,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tp->pdev = pdev; tp->dev = dev; tp->pm_cap = pm_cap; - tp->mac_mode = TG3_DEF_MAC_MODE; tp->rx_mode = TG3_DEF_RX_MODE; tp->tx_mode = TG3_DEF_TX_MODE; diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index df07842172b7..f5b8cab8d4b5 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -325,6 +325,8 @@ #define MAC_MODE_TDE_ENABLE 0x00200000 #define MAC_MODE_RDE_ENABLE 0x00400000 #define MAC_MODE_FHDE_ENABLE 0x00800000 +#define MAC_MODE_APE_RX_EN 0x08000000 +#define MAC_MODE_APE_TX_EN 0x10000000 #define MAC_STATUS 0x00000404 #define MAC_STATUS_PCS_SYNCED 0x00000001 #define MAC_STATUS_SIGNAL_DET 0x00000002 @@ -1889,6 +1891,7 @@ #define APE_EVENT_STATUS_EVENT_PENDING 0x80000000 /* APE convenience enumerations. */ +#define TG3_APE_LOCK_GRC 1 #define TG3_APE_LOCK_MEM 4 #define TG3_EEPROM_SB_F1R2_MBA_OFF 0x10 @@ -2429,7 +2432,10 @@ struct tg3 { struct tg3_ethtool_stats estats; struct tg3_ethtool_stats estats_prev; + union { unsigned long phy_crc_errors; + unsigned long last_event_jiffies; + }; u32 rx_offset; u32 tg3_flags; diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 06b28142b3ab..c216de528b08 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -80,7 +80,8 @@ extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, struct net_device *dev, int strict); -extern int ipv6_dev_get_saddr(struct net_device *dev, +extern int ipv6_dev_get_saddr(struct net *net, + struct net_device *dev, const struct in6_addr *daddr, unsigned int srcprefs, struct in6_addr *saddr); diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index bc391ba101e9..5f53db7e4e57 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -107,6 +107,7 @@ struct rt6_rtnl_dump_arg { struct sk_buff *skb; struct netlink_callback *cb; + struct net *net; }; extern int rt6_dump_route(struct rt6_info *rt, void *p_arg); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 16fc6f454a31..cca921ea8550 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2914,6 +2914,68 @@ static int ipv4_sysctl_rtcache_flush_strategy(ctl_table *table, return 0; } +static void rt_secret_reschedule(int old) +{ + struct net *net; + int new = ip_rt_secret_interval; + int diff = new - old; + + if (!diff) + return; + + rtnl_lock(); + for_each_net(net) { + int deleted = del_timer_sync(&net->ipv4.rt_secret_timer); + + if (!new) + continue; + + if (deleted) { + long time = net->ipv4.rt_secret_timer.expires - jiffies; + + if (time <= 0 || (time += diff) <= 0) + time = 0; + + net->ipv4.rt_secret_timer.expires = time; + } else + net->ipv4.rt_secret_timer.expires = new; + + net->ipv4.rt_secret_timer.expires += jiffies; + add_timer(&net->ipv4.rt_secret_timer); + } + rtnl_unlock(); +} + +static int ipv4_sysctl_rt_secret_interval(ctl_table *ctl, int write, + struct file *filp, + void __user *buffer, size_t *lenp, + loff_t *ppos) +{ + int old = ip_rt_secret_interval; + int ret = proc_dointvec_jiffies(ctl, write, filp, buffer, lenp, ppos); + + rt_secret_reschedule(old); + + return ret; +} + +static int ipv4_sysctl_rt_secret_interval_strategy(ctl_table *table, + int __user *name, + int nlen, + void __user *oldval, + size_t __user *oldlenp, + void __user *newval, + size_t newlen) +{ + int old = ip_rt_secret_interval; + int ret = sysctl_jiffies(table, name, nlen, oldval, oldlenp, newval, + newlen); + + rt_secret_reschedule(old); + + return ret; +} + static ctl_table ipv4_route_table[] = { { .ctl_name = NET_IPV4_ROUTE_GC_THRESH, @@ -3048,8 +3110,8 @@ static ctl_table ipv4_route_table[] = { .data = &ip_rt_secret_interval, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec_jiffies, - .strategy = &sysctl_jiffies, + .proc_handler = &ipv4_sysctl_rt_secret_interval, + .strategy = &ipv4_sysctl_rt_secret_interval_strategy, }, { .ctl_name = 0 } }; @@ -3126,10 +3188,12 @@ static __net_init int rt_secret_timer_init(struct net *net) net->ipv4.rt_secret_timer.data = (unsigned long)net; init_timer_deferrable(&net->ipv4.rt_secret_timer); - net->ipv4.rt_secret_timer.expires = - jiffies + net_random() % ip_rt_secret_interval + - ip_rt_secret_interval; - add_timer(&net->ipv4.rt_secret_timer); + if (ip_rt_secret_interval) { + net->ipv4.rt_secret_timer.expires = + jiffies + net_random() % ip_rt_secret_interval + + ip_rt_secret_interval; + add_timer(&net->ipv4.rt_secret_timer); + } return 0; } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a7842c54f58a..e2d3b7580b76 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1106,13 +1106,12 @@ out: return ret; } -int ipv6_dev_get_saddr(struct net_device *dst_dev, +int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev, const struct in6_addr *daddr, unsigned int prefs, struct in6_addr *saddr) { struct ipv6_saddr_score scores[2], *score = &scores[0], *hiscore = &scores[1]; - struct net *net = dev_net(dst_dev); struct ipv6_saddr_dst dst; struct net_device *dev; int dst_type; diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index 8d05527524e3..f5de3f9dc692 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -93,7 +93,8 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp, if (flags & RT6_LOOKUP_F_SRCPREF_COA) srcprefs |= IPV6_PREFER_SRC_COA; - if (ipv6_dev_get_saddr(ip6_dst_idev(&rt->u.dst)->dev, + if (ipv6_dev_get_saddr(net, + ip6_dst_idev(&rt->u.dst)->dev, &flp->fl6_dst, srcprefs, &saddr)) goto again; diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 52dddc25d3e6..29c7c99e69f7 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -378,6 +378,7 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb) arg.skb = skb; arg.cb = cb; + arg.net = net; w->args = &arg; for (h = s_h; h < FIB_TABLE_HASHSZ; h++, s_e = 0) { diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index a4402de425d9..0e844c2736a7 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -934,7 +934,7 @@ static int ip6_dst_lookup_tail(struct sock *sk, goto out_err_release; if (ipv6_addr_any(&fl->fl6_src)) { - err = ipv6_dev_get_saddr(ip6_dst_idev(*dst)->dev, + err = ipv6_dev_get_saddr(net, ip6_dst_idev(*dst)->dev, &fl->fl6_dst, sk ? inet6_sk(sk)->srcprefs : 0, &fl->fl6_src); diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index beb48e3f038a..f1c62ba0f56b 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -549,7 +549,7 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh, override = 0; in6_ifa_put(ifp); } else { - if (ipv6_dev_get_saddr(dev, daddr, + if (ipv6_dev_get_saddr(dev_net(dev), dev, daddr, inet6_sk(dev_net(dev)->ipv6.ndisc_sk)->srcprefs, &tmpaddr)) return; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 41b165ffb369..9af6115f0f50 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2106,7 +2106,8 @@ static inline size_t rt6_nlmsg_size(void) + nla_total_size(sizeof(struct rta_cacheinfo)); } -static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt, +static int rt6_fill_node(struct net *net, + struct sk_buff *skb, struct rt6_info *rt, struct in6_addr *dst, struct in6_addr *src, int iif, int type, u32 pid, u32 seq, int prefix, int nowait, unsigned int flags) @@ -2189,7 +2190,7 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt, } else if (dst) { struct inet6_dev *idev = ip6_dst_idev(&rt->u.dst); struct in6_addr saddr_buf; - if (ipv6_dev_get_saddr(idev ? idev->dev : NULL, + if (ipv6_dev_get_saddr(net, idev ? idev->dev : NULL, dst, 0, &saddr_buf) == 0) NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf); } @@ -2234,7 +2235,8 @@ int rt6_dump_route(struct rt6_info *rt, void *p_arg) } else prefix = 0; - return rt6_fill_node(arg->skb, rt, NULL, NULL, 0, RTM_NEWROUTE, + return rt6_fill_node(arg->net, + arg->skb, rt, NULL, NULL, 0, RTM_NEWROUTE, NETLINK_CB(arg->cb->skb).pid, arg->cb->nlh->nlmsg_seq, prefix, 0, NLM_F_MULTI); } @@ -2300,7 +2302,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl); skb->dst = &rt->u.dst; - err = rt6_fill_node(skb, rt, &fl.fl6_dst, &fl.fl6_src, iif, + err = rt6_fill_node(net, skb, rt, &fl.fl6_dst, &fl.fl6_src, iif, RTM_NEWROUTE, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, 0, 0, 0); if (err < 0) { @@ -2327,7 +2329,7 @@ void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info) if (skb == NULL) goto errout; - err = rt6_fill_node(skb, rt, NULL, NULL, 0, + err = rt6_fill_node(net, skb, rt, NULL, NULL, 0, event, info->pid, seq, 0, 0, 0); if (err < 0) { /* -EMSGSIZE implies BUG in rt6_nlmsg_size() */ diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 8f1e0543b3c4..08e4cbbe3f04 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -52,12 +52,14 @@ static struct dst_entry *xfrm6_dst_lookup(int tos, xfrm_address_t *saddr, static int xfrm6_get_saddr(xfrm_address_t *saddr, xfrm_address_t *daddr) { struct dst_entry *dst; + struct net_device *dev; dst = xfrm6_dst_lookup(0, NULL, daddr); if (IS_ERR(dst)) return -EHOSTUNREACH; - ipv6_dev_get_saddr(ip6_dst_idev(dst)->dev, + dev = ip6_dst_idev(dst)->dev; + ipv6_dev_get_saddr(dev_net(dev), dev, (struct in6_addr *)&daddr->a6, 0, (struct in6_addr *)&saddr->a6); dst_release(dst); diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index d2b6f54a6261..5cafdd4c8018 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -280,7 +280,7 @@ replay: if (n->nlmsg_type == RTM_DELTFILTER && t->tcm_handle == 0) { spin_lock_bh(root_lock); *back = tp->next; - spin_lock_bh(root_lock); + spin_unlock_bh(root_lock); tfilter_notify(skb, n, tp, fh, RTM_DELTFILTER); tcf_destroy(tp); diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 483a01d0740a..47f91afa0211 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -319,7 +319,8 @@ static void sctp_v6_get_saddr(struct sctp_sock *sk, __func__, asoc, dst, NIP6(daddr->v6.sin6_addr)); if (!asoc) { - ipv6_dev_get_saddr(dst ? ip6_dst_idev(dst)->dev : NULL, + ipv6_dev_get_saddr(sock_net(sctp_opt2sk(sk)), + dst ? ip6_dst_idev(dst)->dev : NULL, &daddr->v6.sin6_addr, inet6_sk(&sk->inet.sk)->srcprefs, &saddr->v6.sin6_addr);