Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [TG3]: Disable TSO on 5906 if CLKREQ is enabled.
  [TCP]: Fix up sysctl_tcp_mem initialization.
  [NETFILTER]: ip6_tables: use correct nexthdr value in ipv6_find_hdr()
  [NETFILTER]: ip6_tables: fixed conflicted optname for getsockopt
  [NETFILTER]: Use pskb_trim in {ip,ip6,nfnetlink}_queue
  [NETFILTER]: nfnetlink_log: fix byteorder of NFULA_SEQ_GLOBAL
  [TG3]: Increase 5906 firmware poll time.

drivers/net/tg3.c

@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.68"
-#define DRV_MODULE_RELDATE	"November 02, 2006"
+#define DRV_MODULE_VERSION	"3.69"
+#define DRV_MODULE_RELDATE	"November 15, 2006"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -4728,10 +4728,11 @@ static int tg3_poll_fw(struct tg3 *tp)
 	u32 val;
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
-		for (i = 0; i < 400; i++) {
+		/* Wait up to 20ms for init done. */
+		for (i = 0; i < 200; i++) {
 			if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
 				return 0;
-			udelay(10);
+			udelay(100);
 		}
 		return -ENODEV;
 	}
@@ -10365,7 +10366,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	u32 pci_state_reg, grc_misc_cfg;
 	u32 val;
 	u16 pci_cmd;
-	int err;
+	int err, pcie_cap;
 
 	/* Force memory write invalidate off.  If we leave it on,
 	 * then on 5700_BX chips we have to enable a workaround.
@@ -10540,8 +10541,19 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
 		tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
 
-	if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
+	pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
+	if (pcie_cap != 0) {
 		tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
+			u16 lnkctl;
+
+			pci_read_config_word(tp->pdev,
+					     pcie_cap + PCI_EXP_LNKCTL,
+					     &lnkctl);
+			if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
+				tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
+		}
+	}
 
 	/* If we have an AMD 762 or VIA K8T800 chipset, write
 	 * reordering to the mailbox registers done by the host
@@ -11808,6 +11820,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 	else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
 	    tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
 	    (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
 		tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
 	} else {

include/linux/in6.h

@@ -225,7 +225,7 @@ struct in6_flowlabel_req
 #endif
 
 /*
- * Netfilter
+ * Netfilter (1)
  *
  * Following socket options are used in ip6_tables;
  * see include/linux/netfilter_ipv6/ip6_tables.h.
@@ -240,4 +240,14 @@ struct in6_flowlabel_req
 #define IPV6_RECVTCLASS		66
 #define IPV6_TCLASS		67
 
+/*
+ * Netfilter (2)
+ *
+ * Following socket options are used in ip6_tables;
+ * see include/linux/netfilter_ipv6/ip6_tables.h.
+ *
+ * IP6T_SO_GET_REVISION_MATCH	68
+ * IP6T_SO_GET_REVISION_TARGET	69
+ */
+
 #endif

include/linux/netfilter/x_tables.h

@@ -96,22 +96,6 @@ struct _xt_align
 /* Error verdict. */
 #define XT_ERROR_TARGET "ERROR"
 
-/*
- * New IP firewall options for [gs]etsockopt at the RAW IP level.
- * Unlike BSD Linux inherits IP options so you don't have to use a raw
- * socket for this. Instead we check rights in the calls. */
-#define XT_BASE_CTL		64	/* base for firewall socket options */
-
-#define XT_SO_SET_REPLACE	(XT_BASE_CTL)
-#define XT_SO_SET_ADD_COUNTERS	(XT_BASE_CTL + 1)
-#define XT_SO_SET_MAX		XT_SO_SET_ADD_COUNTERS
-
-#define XT_SO_GET_INFO			(XT_BASE_CTL)
-#define XT_SO_GET_ENTRIES		(XT_BASE_CTL + 1)
-#define XT_SO_GET_REVISION_MATCH	(XT_BASE_CTL + 2)
-#define XT_SO_GET_REVISION_TARGET	(XT_BASE_CTL + 3)
-#define XT_SO_GET_MAX			XT_SO_GET_REVISION_TARGET
-
 #define SET_COUNTER(c,b,p) do { (c).bcnt = (b); (c).pcnt = (p); } while(0)
 #define ADD_COUNTER(c,b,p) do { (c).bcnt += (b); (c).pcnt += (p); } while(0)
 

include/linux/netfilter_arp/arp_tables.h

@@ -112,19 +112,20 @@ struct arpt_entry
  * New IP firewall options for [gs]etsockopt at the RAW IP level.
  * Unlike BSD Linux inherits IP options so you don't have to use a raw
  * socket for this. Instead we check rights in the calls.
+ *
+ * ATTENTION: check linux/in.h before adding new number here.
  */
-#define ARPT_CTL_OFFSET		32
-#define ARPT_BASE_CTL		(XT_BASE_CTL+ARPT_CTL_OFFSET)
-
-#define ARPT_SO_SET_REPLACE		(XT_SO_SET_REPLACE+ARPT_CTL_OFFSET)
-#define ARPT_SO_SET_ADD_COUNTERS	(XT_SO_SET_ADD_COUNTERS+ARPT_CTL_OFFSET)
-#define ARPT_SO_SET_MAX			(XT_SO_SET_MAX+ARPT_CTL_OFFSET)
-
-#define ARPT_SO_GET_INFO		(XT_SO_GET_INFO+ARPT_CTL_OFFSET)
-#define ARPT_SO_GET_ENTRIES		(XT_SO_GET_ENTRIES+ARPT_CTL_OFFSET)
-/* #define ARPT_SO_GET_REVISION_MATCH	XT_SO_GET_REVISION_MATCH  */
-#define ARPT_SO_GET_REVISION_TARGET	(XT_SO_GET_REVISION_TARGET+ARPT_CTL_OFFSET)
-#define ARPT_SO_GET_MAX			(XT_SO_GET_REVISION_TARGET+ARPT_CTL_OFFSET)
+#define ARPT_BASE_CTL		96
+
+#define ARPT_SO_SET_REPLACE		(ARPT_BASE_CTL)
+#define ARPT_SO_SET_ADD_COUNTERS	(ARPT_BASE_CTL + 1)
+#define ARPT_SO_SET_MAX			ARPT_SO_SET_ADD_COUNTERS
+
+#define ARPT_SO_GET_INFO		(ARPT_BASE_CTL)
+#define ARPT_SO_GET_ENTRIES		(ARPT_BASE_CTL + 1)
+/* #define ARPT_SO_GET_REVISION_MATCH	(APRT_BASE_CTL + 2) */
+#define ARPT_SO_GET_REVISION_TARGET	(ARPT_BASE_CTL + 3)
+#define ARPT_SO_GET_MAX			(ARPT_SO_GET_REVISION_TARGET)
 
 /* CONTINUE verdict for targets */
 #define ARPT_CONTINUE XT_CONTINUE

include/linux/netfilter_ipv4/ip_tables.h

@@ -101,18 +101,21 @@ struct ipt_entry
 /*
  * New IP firewall options for [gs]etsockopt at the RAW IP level.
  * Unlike BSD Linux inherits IP options so you don't have to use a raw
- * socket for this. Instead we check rights in the calls. */
-#define IPT_BASE_CTL		XT_BASE_CTL
-
-#define IPT_SO_SET_REPLACE	XT_SO_SET_REPLACE
-#define IPT_SO_SET_ADD_COUNTERS	XT_SO_SET_ADD_COUNTERS
-#define IPT_SO_SET_MAX		XT_SO_SET_MAX
-
-#define IPT_SO_GET_INFO			XT_SO_GET_INFO
-#define IPT_SO_GET_ENTRIES		XT_SO_GET_ENTRIES
-#define IPT_SO_GET_REVISION_MATCH	XT_SO_GET_REVISION_MATCH
-#define IPT_SO_GET_REVISION_TARGET	XT_SO_GET_REVISION_TARGET
-#define IPT_SO_GET_MAX			XT_SO_GET_REVISION_TARGET
+ * socket for this. Instead we check rights in the calls.
+ *
+ * ATTENTION: check linux/in.h before adding new number here.
+ */
+#define IPT_BASE_CTL		64
+
+#define IPT_SO_SET_REPLACE	(IPT_BASE_CTL)
+#define IPT_SO_SET_ADD_COUNTERS	(IPT_BASE_CTL + 1)
+#define IPT_SO_SET_MAX		IPT_SO_SET_ADD_COUNTERS
+
+#define IPT_SO_GET_INFO			(IPT_BASE_CTL)
+#define IPT_SO_GET_ENTRIES		(IPT_BASE_CTL + 1)
+#define IPT_SO_GET_REVISION_MATCH	(IPT_BASE_CTL + 2)
+#define IPT_SO_GET_REVISION_TARGET	(IPT_BASE_CTL + 3)
+#define IPT_SO_GET_MAX			IPT_SO_GET_REVISION_TARGET
 
 #define IPT_CONTINUE XT_CONTINUE
 #define IPT_RETURN XT_RETURN

include/linux/netfilter_ipv6/ip6_tables.h

@@ -107,18 +107,21 @@ struct ip6t_entry
 /*
  * New IP firewall options for [gs]etsockopt at the RAW IP level.
  * Unlike BSD Linux inherits IP options so you don't have to use
- * a raw socket for this. Instead we check rights in the calls. */
-#define IP6T_BASE_CTL			XT_BASE_CTL
-
-#define IP6T_SO_SET_REPLACE		XT_SO_SET_REPLACE
-#define IP6T_SO_SET_ADD_COUNTERS	XT_SO_SET_ADD_COUNTERS
-#define IP6T_SO_SET_MAX			XT_SO_SET_MAX
-
-#define IP6T_SO_GET_INFO		XT_SO_GET_INFO
-#define IP6T_SO_GET_ENTRIES		XT_SO_GET_ENTRIES
-#define	IP6T_SO_GET_REVISION_MATCH	XT_SO_GET_REVISION_MATCH
-#define	IP6T_SO_GET_REVISION_TARGET	XT_SO_GET_REVISION_TARGET
-#define IP6T_SO_GET_MAX			XT_SO_GET_REVISION_TARGET
+ * a raw socket for this. Instead we check rights in the calls.
+ *
+ * ATTENTION: check linux/in6.h before adding new number here.
+ */
+#define IP6T_BASE_CTL			64
+
+#define IP6T_SO_SET_REPLACE		(IP6T_BASE_CTL)
+#define IP6T_SO_SET_ADD_COUNTERS	(IP6T_BASE_CTL + 1)
+#define IP6T_SO_SET_MAX			IP6T_SO_SET_ADD_COUNTERS
+
+#define IP6T_SO_GET_INFO		(IP6T_BASE_CTL)
+#define IP6T_SO_GET_ENTRIES		(IP6T_BASE_CTL + 1)
+#define IP6T_SO_GET_REVISION_MATCH	(IP6T_BASE_CTL + 4)
+#define IP6T_SO_GET_REVISION_TARGET	(IP6T_BASE_CTL + 5)
+#define IP6T_SO_GET_MAX			IP6T_SO_GET_REVISION_TARGET
 
 /* CONTINUE verdict for targets */
 #define IP6T_CONTINUE XT_CONTINUE

include/linux/pci_regs.h

@@ -371,6 +371,7 @@
 #define  PCI_EXP_DEVSTA_TRPND	0x20	/* Transactions Pending */
 #define PCI_EXP_LNKCAP		12	/* Link Capabilities */
 #define PCI_EXP_LNKCTL		16	/* Link Control */
+#define  PCI_EXP_LNKCTL_CLKREQ_EN 0x100	/* Enable clkreq */
 #define PCI_EXP_LNKSTA		18	/* Link Status */
 #define PCI_EXP_SLTCAP		20	/* Slot Capabilities */
 #define PCI_EXP_SLTCTL		24	/* Slot Control */

net/ipv4/netfilter/ip_queue.c

@@ -351,9 +351,10 @@ ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
 	if (v->data_len < sizeof(*user_iph))
 		return 0;
 	diff = v->data_len - e->skb->len;
-	if (diff < 0)
-		skb_trim(e->skb, v->data_len);
-	else if (diff > 0) {
+	if (diff < 0) {
+		if (pskb_trim(e->skb, v->data_len))
+			return -ENOMEM;
+	} else if (diff > 0) {
 		if (v->data_len > 0xFFFF)
 			return -EINVAL;
 		if (diff > skb_tailroom(e->skb)) {

net/ipv4/tcp.c

@@ -2316,9 +2316,10 @@ void __init tcp_init(void)
 		sysctl_max_syn_backlog = 128;
 	}
 
-	sysctl_tcp_mem[0] =  768 << order;
-	sysctl_tcp_mem[1] = 1024 << order;
-	sysctl_tcp_mem[2] = 1536 << order;
+	/* Allow no more than 3/4 kernel memory (usually less) allocated to TCP */
+	sysctl_tcp_mem[0] = (1536 / sizeof (struct inet_bind_hashbucket)) << order;
+	sysctl_tcp_mem[1] = sysctl_tcp_mem[0] * 4 / 3;
+	sysctl_tcp_mem[2] = sysctl_tcp_mem[0] * 2;
 
 	limit = ((unsigned long)sysctl_tcp_mem[1]) << (PAGE_SHIFT - 7);
 	max_share = min(4UL*1024*1024, limit);

net/ipv6/netfilter/ip6_queue.c

@@ -349,9 +349,10 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
 	if (v->data_len < sizeof(*user_iph))
 		return 0;
 	diff = v->data_len - e->skb->len;
-	if (diff < 0)
-		skb_trim(e->skb, v->data_len);
-	else if (diff > 0) {
+	if (diff < 0) {
+		if (pskb_trim(e->skb, v->data_len))
+			return -ENOMEM;
+	} else if (diff > 0) {
 		if (v->data_len > 0xFFFF)
 			return -EINVAL;
 		if (diff > skb_tailroom(e->skb)) {

net/ipv6/netfilter/ip6_tables.c

@@ -1494,7 +1494,7 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
 			if (_frag_off) {
 				if (target < 0 &&
 				    ((!ipv6_ext_hdr(hp->nexthdr)) ||
-				     nexthdr == NEXTHDR_NONE)) {
+				     hp->nexthdr == NEXTHDR_NONE)) {
 					if (fragoff)
 						*fragoff = _frag_off;
 					return hp->nexthdr;

net/netfilter/nfnetlink_log.c

@@ -544,7 +544,7 @@ __build_packet_message(struct nfulnl_instance *inst,
 	}
 	/* global sequence number */
 	if (inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) {
-		tmp_uint = atomic_inc_return(&global_seq);
+		tmp_uint = htonl(atomic_inc_return(&global_seq));
 		NFA_PUT(inst->skb, NFULA_SEQ_GLOBAL, sizeof(tmp_uint), &tmp_uint);
 	}
 

net/netfilter/nfnetlink_queue.c

@@ -622,9 +622,10 @@ nfqnl_mangle(void *data, int data_len, struct nfqnl_queue_entry *e)
 	int diff;
 
 	diff = data_len - e->skb->len;
-	if (diff < 0)
-		skb_trim(e->skb, data_len);
-	else if (diff > 0) {
+	if (diff < 0) {
+		if (pskb_trim(e->skb, data_len))
+			return -ENOMEM;
+	} else if (diff > 0) {
 		if (data_len > 0xFFFF)
 			return -EINVAL;
 		if (diff > skb_tailroom(e->skb)) {