net: split netdev features to separate header

Move features definitions to separate header so that linux/skbuff.h won't
need to include linux/netdevice.h after netdev_features_t is introduced.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
new file mode 100644 (file)
index 0000000..32640ed
--- /dev/null
+++ b/include/linux/netdev_features.h
@@ -0,0 +1,90 @@
+/*
+ * Network device features.
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _LINUX_NETDEV_FEATURES_H
+#define _LINUX_NETDEV_FEATURES_H
+
+/* Net device feature bits; if you change something,
+ * also update netdev_features_strings[] in ethtool.c */
+
+#define NETIF_F_SG             1       /* Scatter/gather IO. */
+#define NETIF_F_IP_CSUM                2       /* Can checksum TCP/UDP over IPv4. */
+#define NETIF_F_NO_CSUM                4       /* Does not require checksum. F.e. loopack. */
+#define NETIF_F_HW_CSUM                8       /* Can checksum all the packets. */
+#define NETIF_F_IPV6_CSUM      16      /* Can checksum TCP/UDP over IPV6 */
+#define NETIF_F_HIGHDMA                32      /* Can DMA to high memory. */
+#define NETIF_F_FRAGLIST       64      /* Scatter/gather IO. */
+#define NETIF_F_HW_VLAN_TX     128     /* Transmit VLAN hw acceleration */
+#define NETIF_F_HW_VLAN_RX     256     /* Receive VLAN hw acceleration */
+#define NETIF_F_HW_VLAN_FILTER 512     /* Receive filtering on VLAN */
+#define NETIF_F_VLAN_CHALLENGED        1024    /* Device cannot handle VLAN packets */
+#define NETIF_F_GSO            2048    /* Enable software GSO. */
+#define NETIF_F_LLTX           4096    /* LockLess TX - deprecated. Please */
+                                       /* do not use LLTX in new drivers */
+#define NETIF_F_NETNS_LOCAL    8192    /* Does not change network namespaces */
+#define NETIF_F_GRO            16384   /* Generic receive offload */
+#define NETIF_F_LRO            32768   /* large receive offload */
+
+/* the GSO_MASK reserves bits 16 through 23 */
+#define NETIF_F_FCOE_CRC       (1 << 24) /* FCoE CRC32 */
+#define NETIF_F_SCTP_CSUM      (1 << 25) /* SCTP checksum offload */
+#define NETIF_F_FCOE_MTU       (1 << 26) /* Supports max FCoE MTU, 2158 bytes*/
+#define NETIF_F_NTUPLE         (1 << 27) /* N-tuple filters supported */
+#define NETIF_F_RXHASH         (1 << 28) /* Receive hashing offload */
+#define NETIF_F_RXCSUM         (1 << 29) /* Receive checksumming offload */
+#define NETIF_F_NOCACHE_COPY   (1 << 30) /* Use no-cache copyfromuser */
+#define NETIF_F_LOOPBACK       (1 << 31) /* Enable loopback */
+
+/* Segmentation offload features */
+#define NETIF_F_GSO_SHIFT      16
+#define NETIF_F_GSO_MASK       0x00ff0000
+#define NETIF_F_TSO            (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
+#define NETIF_F_UFO            (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
+#define NETIF_F_GSO_ROBUST     (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
+#define NETIF_F_TSO_ECN                (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
+#define NETIF_F_TSO6           (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
+#define NETIF_F_FSO            (SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)
+
+/* Features valid for ethtool to change */
+/* = all defined minus driver/device-class-related */
+#define NETIF_F_NEVER_CHANGE   (NETIF_F_VLAN_CHALLENGED | \
+                                NETIF_F_LLTX | NETIF_F_NETNS_LOCAL)
+#define NETIF_F_ETHTOOL_BITS   (0xff3fffff & ~NETIF_F_NEVER_CHANGE)
+
+/* List of features with software fallbacks. */
+#define NETIF_F_GSO_SOFTWARE   (NETIF_F_TSO | NETIF_F_TSO_ECN | \
+                                NETIF_F_TSO6 | NETIF_F_UFO)
+
+#define NETIF_F_GEN_CSUM       (NETIF_F_HW_CSUM | NETIF_F_NO_CSUM)
+#define NETIF_F_V4_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)
+#define NETIF_F_V6_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
+#define NETIF_F_ALL_CSUM       (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
+
+#define NETIF_F_ALL_TSO        (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)
+
+#define NETIF_F_ALL_FCOE       (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
+                                NETIF_F_FSO)
+
+/*
+ * If one device supports one of these features, then enable them
+ * for all in netdev_increment_features.
+ */
+#define NETIF_F_ONE_FOR_ALL    (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
+                                NETIF_F_SG | NETIF_F_HIGHDMA |         \
+                                NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)
+/*
+ * If one device doesn't support one of these features, then disable it
+ * for all in netdev_increment_features.
+ */
+#define NETIF_F_ALL_FOR_ALL    (NETIF_F_NOCACHE_COPY | NETIF_F_FSO)
+
+/* changeable features with no special hardware requirements */
+#define NETIF_F_SOFT_FEATURES  (NETIF_F_GSO | NETIF_F_GRO)
+
+#endif /* _LINUX_NETDEV_FEATURES_H */

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e34717a792b4ec0fe322d1a3e02606b51db9f421..9cf6e90b171d50c2ad8efcb6c537e5d70a7d8061 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -51,6 +51,8 @@
 #include <net/dcbnl.h>
 #endif
 
+#include <linux/netdev_features.h>
+
 struct vlan_group;
 struct netpoll_info;
 struct phy_device;
@@ -1005,84 +1007,6 @@ struct net_device {
        /* mask of features inheritable by VLAN devices */
        u32                     vlan_features;
 
-       /* Net device feature bits; if you change something,
-        * also update netdev_features_strings[] in ethtool.c */
-
-#define NETIF_F_SG             1       /* Scatter/gather IO. */
-#define NETIF_F_IP_CSUM                2       /* Can checksum TCP/UDP over IPv4. */
-#define NETIF_F_NO_CSUM                4       /* Does not require checksum. F.e. loopack. */
-#define NETIF_F_HW_CSUM                8       /* Can checksum all the packets. */
-#define NETIF_F_IPV6_CSUM      16      /* Can checksum TCP/UDP over IPV6 */
-#define NETIF_F_HIGHDMA                32      /* Can DMA to high memory. */
-#define NETIF_F_FRAGLIST       64      /* Scatter/gather IO. */
-#define NETIF_F_HW_VLAN_TX     128     /* Transmit VLAN hw acceleration */
-#define NETIF_F_HW_VLAN_RX     256     /* Receive VLAN hw acceleration */
-#define NETIF_F_HW_VLAN_FILTER 512     /* Receive filtering on VLAN */
-#define NETIF_F_VLAN_CHALLENGED        1024    /* Device cannot handle VLAN packets */
-#define NETIF_F_GSO            2048    /* Enable software GSO. */
-#define NETIF_F_LLTX           4096    /* LockLess TX - deprecated. Please */
-                                       /* do not use LLTX in new drivers */
-#define NETIF_F_NETNS_LOCAL    8192    /* Does not change network namespaces */
-#define NETIF_F_GRO            16384   /* Generic receive offload */
-#define NETIF_F_LRO            32768   /* large receive offload */
-
-/* the GSO_MASK reserves bits 16 through 23 */
-#define NETIF_F_FCOE_CRC       (1 << 24) /* FCoE CRC32 */
-#define NETIF_F_SCTP_CSUM      (1 << 25) /* SCTP checksum offload */
-#define NETIF_F_FCOE_MTU       (1 << 26) /* Supports max FCoE MTU, 2158 bytes*/
-#define NETIF_F_NTUPLE         (1 << 27) /* N-tuple filters supported */
-#define NETIF_F_RXHASH         (1 << 28) /* Receive hashing offload */
-#define NETIF_F_RXCSUM         (1 << 29) /* Receive checksumming offload */
-#define NETIF_F_NOCACHE_COPY   (1 << 30) /* Use no-cache copyfromuser */
-#define NETIF_F_LOOPBACK       (1 << 31) /* Enable loopback */
-
-       /* Segmentation offload features */
-#define NETIF_F_GSO_SHIFT      16
-#define NETIF_F_GSO_MASK       0x00ff0000
-#define NETIF_F_TSO            (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
-#define NETIF_F_UFO            (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
-#define NETIF_F_GSO_ROBUST     (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
-#define NETIF_F_TSO_ECN                (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
-#define NETIF_F_TSO6           (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
-#define NETIF_F_FSO            (SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)
-
-       /* Features valid for ethtool to change */
-       /* = all defined minus driver/device-class-related */
-#define NETIF_F_NEVER_CHANGE   (NETIF_F_VLAN_CHALLENGED | \
-                                 NETIF_F_LLTX | NETIF_F_NETNS_LOCAL)
-#define NETIF_F_ETHTOOL_BITS   (0xff3fffff & ~NETIF_F_NEVER_CHANGE)
-
-       /* List of features with software fallbacks. */
-#define NETIF_F_GSO_SOFTWARE   (NETIF_F_TSO | NETIF_F_TSO_ECN | \
-                                NETIF_F_TSO6 | NETIF_F_UFO)
-
-
-#define NETIF_F_GEN_CSUM       (NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)
-#define NETIF_F_V4_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)
-#define NETIF_F_V6_CSUM                (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
-#define NETIF_F_ALL_CSUM       (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
-
-#define NETIF_F_ALL_TSO        (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)
-
-#define NETIF_F_ALL_FCOE       (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
-                                NETIF_F_FSO)
-
-       /*
-        * If one device supports one of these features, then enable them
-        * for all in netdev_increment_features.
-        */
-#define NETIF_F_ONE_FOR_ALL    (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
-                                NETIF_F_SG | NETIF_F_HIGHDMA |         \
-                                NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)
-       /*
-        * If one device doesn't support one of these features, then disable it
-        * for all in netdev_increment_features.
-        */
-#define NETIF_F_ALL_FOR_ALL    (NETIF_F_NOCACHE_COPY | NETIF_F_FSO)
-
-       /* changeable features with no special hardware requirements */
-#define NETIF_F_SOFT_FEATURES  (NETIF_F_GSO | NETIF_F_GRO)
-
        /* Interface index. Unique device identifier    */
        int                     ifindex;
        int                     iflink;