Merge tag 'v4.8' into patchwork

Linux 4.8

* tag 'v4.8': (1761 commits)
  Linux 4.8
  ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7
  MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems
  include/linux/property.h: fix typo/compile error
  ocfs2: fix deadlock on mmapped page in ocfs2_write_begin_nolock()
  mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()
  MAINTAINERS: Switch to kernel.org email address for Javi Merino
  x86/entry/64: Fix context tracking state warning when load_gs_index fails
  x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have CPUID
  x86/vdso: Fix building on big endian host
  x86/boot: Fix another __read_cr4() case on 486
  sctp: fix the issue sctp_diag uses lock_sock in rcu_read_lock
  sctp: change to check peer prsctp_capable when using prsctp polices
  sctp: remove prsctp_param from sctp_chunk
  sctp: move sent_count to the memory hole in sctp_chunk
  tg3: Avoid NULL pointer dereference in tg3_io_error_detected()
  x86/init: Fix cr4_init_shadow() on CR4-less machines
  MIPS: Fix detection of unsupported highmem with cache aliases
  MIPS: Malta: Fix IOCU disable switch read for MIPS64
  MIPS: Fix BUILD_ROLLBACK_PROLOGUE for microMIPS
  ...

6 files changed, 50 insertions, 16 deletions

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 2e2aa9fec9bb..edd23386b47d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -419,8 +419,8 @@ struct link_config {
 	unsigned short supported;        /* link capabilities */
 	unsigned short advertising;      /* advertised capabilities */
 	unsigned short lp_advertising;   /* peer advertised capabilities */
-	unsigned short requested_speed;  /* speed user has requested */
-	unsigned short speed;            /* actual link speed */
+	unsigned int   requested_speed;  /* speed user has requested */
+	unsigned int   speed;            /* actual link speed */
 	unsigned char  requested_fc;     /* flow control user has requested */
 	unsigned char  fc;               /* actual link flow control */
 	unsigned char  autoneg;          /* autonegotiating? */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c45de49dc963..3ceafb55d6da 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4305,10 +4305,17 @@ static const struct pci_error_handlers cxgb4_eeh = {
 	.resume         = eeh_resume,
 };
 
+/* Return true if the Link Configuration supports "High Speeds" (those greater
+ * than 1Gb/s).
+ */
 static inline bool is_x_10g_port(const struct link_config *lc)
 {
-	return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0 ||
-	       (lc->supported & FW_PORT_CAP_SPEED_40G) != 0;
+	unsigned int speeds, high_speeds;
+
+	speeds = FW_PORT_CAP_SPEED_V(FW_PORT_CAP_SPEED_G(lc->supported));
+	high_speeds = speeds & ~(FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G);
+
+	return high_speeds != 0;
 }
 
 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
@@ -4335,6 +4342,11 @@ static void cfg_queues(struct adapter *adap)
 #endif
 	int ciq_size;
 
+	/* Reduce memory usage in kdump environment, disable all offload.
+	 */
+	if (is_kdump_kernel())
+		adap->params.offload = 0;
+
 	for_each_port(adap, i)
 		n10g += is_x_10g_port(&adap2pinfo(adap, i)->link_cfg);
 #ifdef CONFIG_CHELSIO_T4_DCB
@@ -4365,11 +4377,6 @@ static void cfg_queues(struct adapter *adap)
 	if (q10g > netif_get_num_default_rss_queues())
 		q10g = netif_get_num_default_rss_queues();
 
-	/* Reduce memory usage in kdump environment, disable all offload.
-	 */
-	if (is_kdump_kernel())
-		adap->params.offload = 0;
-
 	for_each_port(adap, i) {
 		struct port_info *pi = adap2pinfo(adap, i);
 
@@ -4756,8 +4763,12 @@ static void print_port_info(const struct net_device *dev)
 		bufp += sprintf(bufp, "1000/");
 	if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G)
 		bufp += sprintf(bufp, "10G/");
+	if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G)
+		bufp += sprintf(bufp, "25G/");
 	if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G)
 		bufp += sprintf(bufp, "40G/");
+	if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G)
+		bufp += sprintf(bufp, "100G/");
 	if (bufp != buf)
 		--bufp;
 	sprintf(bufp, "BASE-%s", t4_get_port_type_description(pi->port_type));
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index dc92c80a75f4..660204bff726 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -3627,7 +3627,8 @@ void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf)
 }
 
 #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\
-		     FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \
+		     FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_25G | \
+		     FW_PORT_CAP_SPEED_40G | FW_PORT_CAP_SPEED_100G | \
 		     FW_PORT_CAP_ANEG)
 
 /**
@@ -7196,8 +7197,12 @@ void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl)
 		speed = 1000;
 	else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G))
 		speed = 10000;
+	else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_25G))
+		speed = 25000;
 	else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G))
 		speed = 40000;
+	else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100G))
+		speed = 100000;
 
 	lc = &pi->link_cfg;
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index a89b30720e38..30507d44422c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -2265,6 +2265,12 @@ enum fw_port_cap {
 	FW_PORT_CAP_802_3_ASM_DIR	= 0x8000,
 };
 
+#define FW_PORT_CAP_SPEED_S     0
+#define FW_PORT_CAP_SPEED_M     0x3f
+#define FW_PORT_CAP_SPEED_V(x)  ((x) << FW_PORT_CAP_SPEED_S)
+#define FW_PORT_CAP_SPEED_G(x) \
+	(((x) >> FW_PORT_CAP_SPEED_S) & FW_PORT_CAP_SPEED_M)
+
 enum fw_port_mdi {
 	FW_PORT_CAP_MDI_UNCHANGED,
 	FW_PORT_CAP_MDI_AUTO,
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
index 8ee541431e8b..17a2bbcf93f0 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
@@ -108,8 +108,8 @@ struct link_config {
 	unsigned int   supported;        /* link capabilities */
 	unsigned int   advertising;      /* advertised capabilities */
 	unsigned short lp_advertising;   /* peer advertised capabilities */
-	unsigned short requested_speed;  /* speed user has requested */
-	unsigned short speed;            /* actual link speed */
+	unsigned int   requested_speed;  /* speed user has requested */
+	unsigned int   speed;            /* actual link speed */
 	unsigned char  requested_fc;     /* flow control user has requested */
 	unsigned char  fc;               /* actual link flow control */
 	unsigned char  autoneg;          /* autonegotiating? */
@@ -271,10 +271,17 @@ static inline bool is_10g_port(const struct link_config *lc)
 	return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0;
 }
 
+/* Return true if the Link Configuration supports "High Speeds" (those greater
+ * than 1Gb/s).
+ */
 static inline bool is_x_10g_port(const struct link_config *lc)
 {
-	return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0 ||
-		(lc->supported & FW_PORT_CAP_SPEED_40G) != 0;
+	unsigned int speeds, high_speeds;
+
+	speeds = FW_PORT_CAP_SPEED_V(FW_PORT_CAP_SPEED_G(lc->supported));
+	high_speeds = speeds & ~(FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G);
+
+	return high_speeds != 0;
 }
 
 static inline unsigned int core_ticks_per_usec(const struct adapter *adapter)
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
index 427bfa71388b..b5622b1689e9 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
@@ -314,8 +314,9 @@ int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size,
 }
 
 #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\
-		     FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \
-		     FW_PORT_CAP_SPEED_100G | FW_PORT_CAP_ANEG)
+		     FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_25G | \
+		     FW_PORT_CAP_SPEED_40G | FW_PORT_CAP_SPEED_100G | \
+		     FW_PORT_CAP_ANEG)
 
 /**
  *	init_link_config - initialize a link's SW state
@@ -1712,8 +1713,12 @@ int t4vf_handle_fw_rpl(struct adapter *adapter, const __be64 *rpl)
 			speed = 1000;
 		else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G))
 			speed = 10000;
+		else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_25G))
+			speed = 25000;
 		else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G))
 			speed = 40000;
+		else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100G))
+			speed = 100000;
 
 		/*
 		 * Scan all of our "ports" (Virtual Interfaces) looking for