Merge commit 'v2.6.38-rc1' into kbuild/packaging

1 files changed, 252 insertions, 66 deletions

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index ef4a2d84d922..1908929204a9 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -14,6 +14,7 @@
 #define _LINUX_ETHTOOL_H
 
 #include <linux/types.h>
+#include <linux/if_ether.h>
 
 /* This should work for both 32 and 64 bit userland. */
 struct ethtool_cmd {
@@ -61,6 +62,13 @@ struct ethtool_drvinfo {
                                 /* For PCI devices, use pci_name(pci_dev). */
         char    reserved1[32];
         char    reserved2[12];
+                                /*
+                                 * Some struct members below are filled in
+                                 * using ops->get_sset_count().  Obtaining
+                                 * this info from ethtool_drvinfo is now
+                                 * deprecated; Use ETHTOOL_GSSET_INFO
+                                 * instead.
+                                 */
         __u32   n_priv_flags;   /* number of flags valid in ETHTOOL_GPFLAGS */
         __u32   n_stats;        /* number of u64's from ETHTOOL_GSTATS */
         __u32   testinfo_len;
@@ -242,6 +250,7 @@ enum ethtool_stringset {
         ETH_SS_TEST             = 0,
         ETH_SS_STATS,
         ETH_SS_PRIV_FLAGS,
+        ETH_SS_NTUPLE_FILTERS,
 };
 
 /* for passing string sets for data tagging */
@@ -252,6 +261,17 @@ struct ethtool_gstrings {
         __u8    data[0];
 };
 
+struct ethtool_sset_info {
+        __u32   cmd;            /* ETHTOOL_GSSET_INFO */
+        __u32   reserved;
+        __u64   sset_mask;      /* input: each bit selects an sset to query */
+                                /* output: each bit a returned sset */
+        __u32   data[0];        /* ETH_SS_xxx count, in order, based on bits
+                                   in sset_mask.  One bit implies one
+                                   __u32, two bits implies two
+                                   __u32's, etc. */
+};
+
 enum ethtool_test_flags {
         ETH_TEST_FL_OFFLINE     = (1 << 0),     /* online / offline */
         ETH_TEST_FL_FAILED      = (1 << 1),     /* test passed / failed */
@@ -289,13 +309,28 @@ struct ethtool_perm_addr {
  * flag differs from the read-only value.
  */
 enum ethtool_flags {
+        ETH_FLAG_TXVLAN         = (1 << 7),     /* TX VLAN offload enabled */
+        ETH_FLAG_RXVLAN         = (1 << 8),     /* RX VLAN offload enabled */
         ETH_FLAG_LRO            = (1 << 15),    /* LRO is enabled */
+        ETH_FLAG_NTUPLE         = (1 << 27),    /* N-tuple filters enabled */
+        ETH_FLAG_RXHASH         = (1 << 28),
 };
 
 /* The following structures are for supporting RX network flow
- * classification configuration. Note, all multibyte fields, e.g.,
- * ip4src, ip4dst, psrc, pdst, spi, etc. are expected to be in network
- * byte order.
+ * classification and RX n-tuple configuration. Note, all multibyte
+ * fields, e.g., ip4src, ip4dst, psrc, pdst, spi, etc. are expected to
+ * be in network byte order.
+ */
+
+/**
+ * struct ethtool_tcpip4_spec - flow specification for TCP/IPv4 etc.
+ * @ip4src: Source host
+ * @ip4dst: Destination host
+ * @psrc: Source port
+ * @pdst: Destination port
+ * @tos: Type-of-service
+ *
+ * This can be used to specify a TCP/IPv4, UDP/IPv4 or SCTP/IPv4 flow.
  */
 struct ethtool_tcpip4_spec {
         __be32  ip4src;
@@ -305,6 +340,15 @@ struct ethtool_tcpip4_spec {
         __u8    tos;
 };
 
+/**
+ * struct ethtool_ah_espip4_spec - flow specification for IPsec/IPv4
+ * @ip4src: Source host
+ * @ip4dst: Destination host
+ * @spi: Security parameters index
+ * @tos: Type-of-service
+ *
+ * This can be used to specify an IPsec transport or tunnel over IPv4.
+ */
 struct ethtool_ah_espip4_spec {
         __be32  ip4src;
         __be32  ip4dst;
@@ -312,21 +356,17 @@ struct ethtool_ah_espip4_spec {
         __u8    tos;
 };
 
-struct ethtool_rawip4_spec {
-        __be32  ip4src;
-        __be32  ip4dst;
-        __u8    hdata[64];
-};
-
-struct ethtool_ether_spec {
-        __be16  ether_type;
-        __u8    frame_size;
-        __u8    eframe[16];
-};
-
 #define ETH_RX_NFC_IP4  1
-#define ETH_RX_NFC_IP6  2
 
+/**
+ * struct ethtool_usrip4_spec - general flow specification for IPv4
+ * @ip4src: Source host
+ * @ip4dst: Destination host
+ * @l4_4_bytes: First 4 bytes of transport (layer 4) header
+ * @tos: Type-of-service
+ * @ip_ver: Value must be %ETH_RX_NFC_IP4; mask must be 0
+ * @proto: Transport protocol number; mask must be 0
+ */
 struct ethtool_usrip4_spec {
         __be32  ip4src;
         __be32  ip4dst;
@@ -336,6 +376,15 @@ struct ethtool_usrip4_spec {
         __u8    proto;
 };
 
+/**
+ * struct ethtool_rx_flow_spec - specification for RX flow filter
+ * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW
+ * @h_u: Flow fields to match (dependent on @flow_type)
+ * @m_u: Masks for flow field bits to be ignored
+ * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC
+ *      if packets should be discarded
+ * @location: Index of filter in hardware table
+ */
 struct ethtool_rx_flow_spec {
         __u32           flow_type;
         union {
@@ -344,25 +393,124 @@ struct ethtool_rx_flow_spec {
                 struct ethtool_tcpip4_spec              sctp_ip4_spec;
                 struct ethtool_ah_espip4_spec           ah_ip4_spec;
                 struct ethtool_ah_espip4_spec           esp_ip4_spec;
-                struct ethtool_rawip4_spec              raw_ip4_spec;
-                struct ethtool_ether_spec               ether_spec;
                 struct ethtool_usrip4_spec              usr_ip4_spec;
-                __u8                                    hdata[64];
-        } h_u, m_u; /* entry, mask */
+                struct ethhdr                           ether_spec;
+                __u8                                    hdata[72];
+        } h_u, m_u;
         __u64           ring_cookie;
         __u32           location;
 };
 
+/**
+ * struct ethtool_rxnfc - command to get or set RX flow classification rules
+ * @cmd: Specific command number - %ETHTOOL_GRXFH, %ETHTOOL_SRXFH,
+ *      %ETHTOOL_GRXRINGS, %ETHTOOL_GRXCLSRLCNT, %ETHTOOL_GRXCLSRULE,
+ *      %ETHTOOL_GRXCLSRLALL, %ETHTOOL_SRXCLSRLDEL or %ETHTOOL_SRXCLSRLINS
+ * @flow_type: Type of flow to be affected, e.g. %TCP_V4_FLOW
+ * @data: Command-dependent value
+ * @fs: Flow filter specification
+ * @rule_cnt: Number of rules to be affected
+ * @rule_locs: Array of valid rule indices
+ *
+ * For %ETHTOOL_GRXFH and %ETHTOOL_SRXFH, @data is a bitmask indicating
+ * the fields included in the flow hash, e.g. %RXH_IP_SRC.  The following
+ * structure fields must not be used.
+ *
+ * For %ETHTOOL_GRXRINGS, @data is set to the number of RX rings/queues
+ * on return.
+ *
+ * For %ETHTOOL_GRXCLSRLCNT, @rule_cnt is set to the number of defined
+ * rules on return.
+ *
+ * For %ETHTOOL_GRXCLSRULE, @fs.@location specifies the index of an
+ * existing filter rule on entry and @fs contains the rule on return.
+ *
+ * For %ETHTOOL_GRXCLSRLALL, @rule_cnt specifies the array size of the
+ * user buffer for @rule_locs on entry.  On return, @data is the size
+ * of the filter table and @rule_locs contains the indices of the
+ * defined rules.
+ *
+ * For %ETHTOOL_SRXCLSRLINS, @fs specifies the filter rule to add or
+ * update.  @fs.@location specifies the index to use and must not be
+ * ignored.
+ *
+ * For %ETHTOOL_SRXCLSRLDEL, @fs.@location specifies the index of an
+ * existing filter rule on entry.
+ *
+ * Implementation of indexed classification rules generally requires a
+ * TCAM.
+ */
 struct ethtool_rxnfc {
         __u32                           cmd;
         __u32                           flow_type;
-        /* The rx flow hash value or the rule DB size */
         __u64                           data;
         struct ethtool_rx_flow_spec     fs;
         __u32                           rule_cnt;
         __u32                           rule_locs[0];
 };
 
+/**
+ * struct ethtool_rxfh_indir - command to get or set RX flow hash indirection
+ * @cmd: Specific command number - %ETHTOOL_GRXFHINDIR or %ETHTOOL_SRXFHINDIR
+ * @size: On entry, the array size of the user buffer.  On return from
+ *      %ETHTOOL_GRXFHINDIR, the array size of the hardware indirection table.
+ * @ring_index: RX ring/queue index for each hash value
+ */
+struct ethtool_rxfh_indir {
+        __u32   cmd;
+        __u32   size;
+        __u32   ring_index[0];
+};
+
+/**
+ * struct ethtool_rx_ntuple_flow_spec - specification for RX flow filter
+ * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW
+ * @h_u: Flow field values to match (dependent on @flow_type)
+ * @m_u: Masks for flow field value bits to be ignored
+ * @vlan_tag: VLAN tag to match
+ * @vlan_tag_mask: Mask for VLAN tag bits to be ignored
+ * @data: Driver-dependent data to match
+ * @data_mask: Mask for driver-dependent data bits to be ignored
+ * @action: RX ring/queue index to deliver to (non-negative) or other action
+ *      (negative, e.g. %ETHTOOL_RXNTUPLE_ACTION_DROP)
+ *
+ * For flow types %TCP_V4_FLOW, %UDP_V4_FLOW and %SCTP_V4_FLOW, where
+ * a field value and mask are both zero this is treated as if all mask
+ * bits are set i.e. the field is ignored.
+ */
+struct ethtool_rx_ntuple_flow_spec {
+        __u32            flow_type;
+        union {
+                struct ethtool_tcpip4_spec              tcp_ip4_spec;
+                struct ethtool_tcpip4_spec              udp_ip4_spec;
+                struct ethtool_tcpip4_spec              sctp_ip4_spec;
+                struct ethtool_ah_espip4_spec           ah_ip4_spec;
+                struct ethtool_ah_espip4_spec           esp_ip4_spec;
+                struct ethtool_usrip4_spec              usr_ip4_spec;
+                struct ethhdr                           ether_spec;
+                __u8                                    hdata[72];
+        } h_u, m_u;
+
+        __u16           vlan_tag;
+        __u16           vlan_tag_mask;
+        __u64           data;
+        __u64           data_mask;
+
+        __s32           action;
+#define ETHTOOL_RXNTUPLE_ACTION_DROP    (-1)    /* drop packet */
+#define ETHTOOL_RXNTUPLE_ACTION_CLEAR   (-2)    /* clear filter */
+};
+
+/**
+ * struct ethtool_rx_ntuple - command to set or clear RX flow filter
+ * @cmd: Command number - %ETHTOOL_SRXNTUPLE
+ * @fs: Flow filter specification
+ */
+struct ethtool_rx_ntuple {
+        __u32                                   cmd;
+        struct ethtool_rx_ntuple_flow_spec      fs;
+};
+
 #define ETHTOOL_FLASH_MAX_FILENAME      128
 enum ethtool_flash_op_type {
         ETHTOOL_FLASH_ALL_REGIONS       = 0,
@@ -377,6 +525,20 @@ struct ethtool_flash {
 
 #ifdef __KERNEL__
 
+#include <linux/rculist.h>
+
+struct ethtool_rx_ntuple_flow_spec_container {
+        struct ethtool_rx_ntuple_flow_spec fs;
+        struct list_head list;
+};
+
+struct ethtool_rx_ntuple_list {
+#define ETHTOOL_MAX_NTUPLE_LIST_ENTRY 1024
+#define ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY 14
+        struct list_head        list;
+        unsigned int            count;
+};
+
 struct net_device;
 
 /* Some generic methods drivers may use in their ethtool_ops */
@@ -393,7 +555,8 @@ int ethtool_op_set_tso(struct net_device *dev, u32 data);
 u32 ethtool_op_get_ufo(struct net_device *dev);
 int ethtool_op_set_ufo(struct net_device *dev, u32 data);
 u32 ethtool_op_get_flags(struct net_device *dev);
-int ethtool_op_set_flags(struct net_device *dev, u32 data);
+int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported);
+void ethtool_ntuple_flush(struct net_device *dev);
 
 /**
  * &ethtool_ops - Alter and report network device settings
@@ -426,12 +589,12 @@ int ethtool_op_set_flags(struct net_device *dev, u32 data);
  * get_ufo: Report whether UDP fragmentation offload is enabled
  * set_ufo: Turn UDP fragmentation offload on or off
  * self_test: Run specified self-tests
- * get_strings: Return a set of strings that describe the requested objects 
+ * get_strings: Return a set of strings that describe the requested objects
  * phys_id: Identify the device
  * get_stats: Return statistics about the device
  * get_flags: get 32-bit flags bitmap
  * set_flags: set 32-bit flags bitmap
- * 
+ *
  * Description:
  *
  * get_settings:
@@ -467,14 +630,20 @@ struct ethtool_ops {
         int     (*nway_reset)(struct net_device *);
         u32     (*get_link)(struct net_device *);
         int     (*get_eeprom_len)(struct net_device *);
-        int     (*get_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
-        int     (*set_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
+        int     (*get_eeprom)(struct net_device *,
+                              struct ethtool_eeprom *, u8 *);
+        int     (*set_eeprom)(struct net_device *,
+                              struct ethtool_eeprom *, u8 *);
         int     (*get_coalesce)(struct net_device *, struct ethtool_coalesce *);
         int     (*set_coalesce)(struct net_device *, struct ethtool_coalesce *);
-        void    (*get_ringparam)(struct net_device *, struct ethtool_ringparam *);
-        int     (*set_ringparam)(struct net_device *, struct ethtool_ringparam *);
-        void    (*get_pauseparam)(struct net_device *, struct ethtool_pauseparam*);
-        int     (*set_pauseparam)(struct net_device *, struct ethtool_pauseparam*);
+        void    (*get_ringparam)(struct net_device *,
+                                 struct ethtool_ringparam *);
+        int     (*set_ringparam)(struct net_device *,
+                                 struct ethtool_ringparam *);
+        void    (*get_pauseparam)(struct net_device *,
+                                  struct ethtool_pauseparam*);
+        int     (*set_pauseparam)(struct net_device *,
+                                  struct ethtool_pauseparam*);
         u32     (*get_rx_csum)(struct net_device *);
         int     (*set_rx_csum)(struct net_device *, u32);
         u32     (*get_tx_csum)(struct net_device *);
@@ -486,20 +655,29 @@ struct ethtool_ops {
         void    (*self_test)(struct net_device *, struct ethtool_test *, u64 *);
         void    (*get_strings)(struct net_device *, u32 stringset, u8 *);
         int     (*phys_id)(struct net_device *, u32);
-        void    (*get_ethtool_stats)(struct net_device *, struct ethtool_stats *, u64 *);
+        void    (*get_ethtool_stats)(struct net_device *,
+                                     struct ethtool_stats *, u64 *);
         int     (*begin)(struct net_device *);
         void    (*complete)(struct net_device *);
-        u32     (*get_ufo)(struct net_device *);
-        int     (*set_ufo)(struct net_device *, u32);
-        u32     (*get_flags)(struct net_device *);
-        int     (*set_flags)(struct net_device *, u32);
-        u32     (*get_priv_flags)(struct net_device *);
-        int     (*set_priv_flags)(struct net_device *, u32);
+        u32     (*get_ufo)(struct net_device *);
+        int     (*set_ufo)(struct net_device *, u32);
+        u32     (*get_flags)(struct net_device *);
+        int     (*set_flags)(struct net_device *, u32);
+        u32     (*get_priv_flags)(struct net_device *);
+        int     (*set_priv_flags)(struct net_device *, u32);
         int     (*get_sset_count)(struct net_device *, int);
-        int     (*get_rxnfc)(struct net_device *, struct ethtool_rxnfc *, void *);
+        int     (*get_rxnfc)(struct net_device *,
+                             struct ethtool_rxnfc *, void *);
         int     (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
-        int     (*flash_device)(struct net_device *, struct ethtool_flash *);
+        int     (*flash_device)(struct net_device *, struct ethtool_flash *);
         int     (*reset)(struct net_device *, u32 *);
+        int     (*set_rx_ntuple)(struct net_device *,
+                                 struct ethtool_rx_ntuple *);
+        int     (*get_rx_ntuple)(struct net_device *, u32 stringset, void *);
+        int     (*get_rxfh_indir)(struct net_device *,
+                                  struct ethtool_rxfh_indir *);
+        int     (*set_rxfh_indir)(struct net_device *,
+                                  const struct ethtool_rxfh_indir *);
 };
 #endif /* __KERNEL__ */
 
@@ -513,7 +691,9 @@ struct ethtool_ops {
 #define ETHTOOL_GMSGLVL         0x00000007 /* Get driver message level */
 #define ETHTOOL_SMSGLVL         0x00000008 /* Set driver msg level. */
 #define ETHTOOL_NWAY_RST        0x00000009 /* Restart autonegotiation. */
-#define ETHTOOL_GLINK           0x0000000a /* Get link status (ethtool_value) */
+/* Get link status for host, i.e. whether the interface *and* the
+ * physical port (if there is one) are up (ethtool_value). */
+#define ETHTOOL_GLINK           0x0000000a
 #define ETHTOOL_GEEPROM         0x0000000b /* Get EEPROM data */
 #define ETHTOOL_SEEPROM         0x0000000c /* Set EEPROM data. */
 #define ETHTOOL_GCOALESCE       0x0000000e /* Get coalesce config */
@@ -546,18 +726,23 @@ struct ethtool_ops {
 #define ETHTOOL_GPFLAGS         0x00000027 /* Get driver-private flags bitmap */
 #define ETHTOOL_SPFLAGS         0x00000028 /* Set driver-private flags bitmap */
 
-#define ETHTOOL_GRXFH           0x00000029 /* Get RX flow hash configuration */
-#define ETHTOOL_SRXFH           0x0000002a /* Set RX flow hash configuration */
+#define ETHTOOL_GRXFH           0x00000029 /* Get RX flow hash configuration */
+#define ETHTOOL_SRXFH           0x0000002a /* Set RX flow hash configuration */
 #define ETHTOOL_GGRO            0x0000002b /* Get GRO enable (ethtool_value) */
 #define ETHTOOL_SGRO            0x0000002c /* Set GRO enable (ethtool_value) */
-#define ETHTOOL_GRXRINGS        0x0000002d /* Get RX rings available for LB */
-#define ETHTOOL_GRXCLSRLCNT     0x0000002e /* Get RX class rule count */
-#define ETHTOOL_GRXCLSRULE      0x0000002f /* Get RX classification rule */
-#define ETHTOOL_GRXCLSRLALL     0x00000030 /* Get all RX classification rule */
-#define ETHTOOL_SRXCLSRLDEL     0x00000031 /* Delete RX classification rule */
-#define ETHTOOL_SRXCLSRLINS     0x00000032 /* Insert RX classification rule */
-#define ETHTOOL_FLASHDEV        0x00000033 /* Flash firmware to device */
-#define ETHTOOL_RESET           0x00000034 /* Reset hardware */
+#define ETHTOOL_GRXRINGS        0x0000002d /* Get RX rings available for LB */
+#define ETHTOOL_GRXCLSRLCNT     0x0000002e /* Get RX class rule count */
+#define ETHTOOL_GRXCLSRULE      0x0000002f /* Get RX classification rule */
+#define ETHTOOL_GRXCLSRLALL     0x00000030 /* Get all RX classification rule */
+#define ETHTOOL_SRXCLSRLDEL     0x00000031 /* Delete RX classification rule */
+#define ETHTOOL_SRXCLSRLINS     0x00000032 /* Insert RX classification rule */
+#define ETHTOOL_FLASHDEV        0x00000033 /* Flash firmware to device */
+#define ETHTOOL_RESET           0x00000034 /* Reset hardware */
+#define ETHTOOL_SRXNTUPLE       0x00000035 /* Add an n-tuple filter to device */
+#define ETHTOOL_GRXNTUPLE       0x00000036 /* Get n-tuple filters from device */
+#define ETHTOOL_GSSET_INFO      0x00000037 /* Get string set info */
+#define ETHTOOL_GRXFHINDIR      0x00000038 /* Get RX flow hash indir'n table */
+#define ETHTOOL_SRXFHINDIR      0x00000039 /* Set RX flow hash indir'n table */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET          ETHTOOL_GSET
@@ -663,22 +848,23 @@ struct ethtool_ops {
 #define WAKE_MAGIC              (1 << 5)
 #define WAKE_MAGICSECURE        (1 << 6) /* only meaningful if WAKE_MAGIC */
 
-/* L3-L4 network traffic flow types */
-#define TCP_V4_FLOW     0x01
-#define UDP_V4_FLOW     0x02
-#define SCTP_V4_FLOW    0x03
-#define AH_ESP_V4_FLOW  0x04
-#define TCP_V6_FLOW     0x05
-#define UDP_V6_FLOW     0x06
-#define SCTP_V6_FLOW    0x07
-#define AH_ESP_V6_FLOW  0x08
-#define AH_V4_FLOW      0x09
-#define ESP_V4_FLOW     0x0a
-#define AH_V6_FLOW      0x0b
-#define ESP_V6_FLOW     0x0c
-#define IP_USER_FLOW    0x0d
-#define IPV4_FLOW       0x10
-#define IPV6_FLOW       0x11
+/* L2-L4 network traffic flow types */
+#define TCP_V4_FLOW     0x01    /* hash or spec (tcp_ip4_spec) */
+#define UDP_V4_FLOW     0x02    /* hash or spec (udp_ip4_spec) */
+#define SCTP_V4_FLOW    0x03    /* hash or spec (sctp_ip4_spec) */
+#define AH_ESP_V4_FLOW  0x04    /* hash only */
+#define TCP_V6_FLOW     0x05    /* hash only */
+#define UDP_V6_FLOW     0x06    /* hash only */
+#define SCTP_V6_FLOW    0x07    /* hash only */
+#define AH_ESP_V6_FLOW  0x08    /* hash only */
+#define AH_V4_FLOW      0x09    /* hash or spec (ah_ip4_spec) */
+#define ESP_V4_FLOW     0x0a    /* hash or spec (esp_ip4_spec) */
+#define AH_V6_FLOW      0x0b    /* hash only */
+#define ESP_V6_FLOW     0x0c    /* hash only */
+#define IP_USER_FLOW    0x0d    /* spec only (usr_ip4_spec) */
+#define IPV4_FLOW       0x10    /* hash only */
+#define IPV6_FLOW       0x11    /* hash only */
+#define ETHER_FLOW      0x12    /* spec only (ether_spec) */
 
 /* L3-L4 network traffic flow hash options */
 #define RXH_L2DA        (1 << 1)