compat: Added macros and headers to support for RHEL7.2

Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.com>

diff --git a/config/rdma.m4 b/config/rdma.m4
index 8176467ae4717d25470ad11a88c984d95710a9fd..bd53a9793755217651f9c23e63a551d98d63dbb5 100644 (file)
--- a/config/rdma.m4
+++ b/config/rdma.m4
@@ -301,7 +301,6 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
                #include <linux/ethtool.h>
        ],[
                const struct ethtool_ops_ext en_ethtool_ops_ext = {
-                       .get_rxfh_indir_size = NULL,
                        .get_rxfh_indir = NULL,
                        .set_rxfh_indir = NULL,
                };
@@ -1586,6 +1585,54 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
                AC_MSG_RESULT(no)
        ])
 
+       AC_MSG_CHECKING([if linux/timecounter.h exists])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/timecounter.h>
+       ],[
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_TIMECOUNTER_H, 1,
+                         [linux/timecounter.h exists])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       # timecounter_adjtime can be in timecounter.h or clocksource.h
+       AC_MSG_CHECKING([if linux/timecounter.h has timecounter_adjtime])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/timecounter.h>
+       ],[
+               struct timecounter x;
+               s64 y = 0;
+               timecounter_adjtime(&x, y);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_TIMECOUNTER_ADJTIME, 1,
+                         [timecounter_adjtime is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if linux/clocksource.h has timecounter_adjtime])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/clocksource.h>
+       ],[
+               struct timecounter x;
+               s64 y = 0;
+               timecounter_adjtime(&x, y);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_TIMECOUNTER_ADJTIME, 1,
+                         [timecounter_adjtime is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
        AC_MSG_CHECKING([if struct ethtool_ops has set_dump])
        LB_LINUX_TRY_COMPILE([
                #include <linux/ethtool.h>
@@ -2161,6 +2208,140 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
        ],[
                AC_MSG_RESULT(no)
        ])
+
+       AC_MSG_CHECKING([if if_vlan.h has is_vlan_dev])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/netdevice.h>
+               #include <linux/if_vlan.h>
+       ],[
+               struct net_device dev;
+               is_vlan_dev(&dev);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_IS_VLAN_DEV, 1,
+                         [is_vlan_dev is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if linux/timecounter.h exists])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/timecounter.h>
+       ],[
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_TIMECOUNTER_H, 1,
+                         [linux/timecounter.h exists])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       # timecounter_adjtime can be in timecounter.h or clocksource.h
+       AC_MSG_CHECKING([if linux/timecounter.h has timecounter_adjtime])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/timecounter.h>
+       ],[
+               struct timecounter x;
+               s64 y = 0;
+               timecounter_adjtime(&x, y);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_TIMECOUNTER_ADJTIME, 1,
+                         [timecounter_adjtime is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if linux/clocksource.h has timecounter_adjtime])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/clocksource.h>
+       ],[
+               struct timecounter x;
+               s64 y = 0;
+               timecounter_adjtime(&x, y);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_TIMECOUNTER_ADJTIME, 1,
+                         [timecounter_adjtime is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if cyclecounter_cyc2ns has 4 parameters])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/timecounter.h>
+       ],[
+               cyclecounter_cyc2ns(NULL, NULL, 0, NULL);
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_CYCLECOUNTER_CYC2NS_4_PARAMS, 1,
+                         [cyclecounter_cyc2ns has 4 parameters])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if netdevice.h struct net_device_ops has ndo_features_check])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/netdevice.h>
+       ],[
+               static const struct net_device_ops mlx4_netdev_ops = {
+                       .ndo_features_check     = NULL,
+               };
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_NETDEV_FEATURES_T, 1,
+                         [netdev_features_t is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if struct ethtool_ops get_rxnfc gets u32 *rule_locs])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/ethtool.h>
+               static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *c,
+                                            u32 *rule_locs)
+               {
+                       return 0;
+               }
+       ],[
+               struct ethtool_ops x = {
+                       .get_rxnfc = mlx4_en_get_rxnfc,
+               };
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_ETHTOOL_OPS_GET_RXNFC_U32_RULE_LOCS, 1,
+                         [ethtool_ops get_rxnfc gets u32 *rule_locs])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+
+       AC_MSG_CHECKING([if ethtool.h enum ethtool_stringset has ETH_SS_RSS_HASH_FUNCS])
+       LB_LINUX_TRY_COMPILE([
+               #include <linux/ethtool.h>
+       ],[
+               enum ethtool_stringset x = ETH_SS_RSS_HASH_FUNCS;
+
+               return 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_ETH_SS_RSS_HASH_FUNCS, 1,
+                         [ETH_SS_RSS_HASH_FUNCS is defined])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
 ])
 #
 # COMPAT_CONFIG_HEADERS

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
new file mode 100644 (file)
index 0000000..c20aa9e
--- /dev/null
+++ b/include/linux/if_vlan.h
@@ -0,0 +1,19 @@
+#ifndef LINUX_IF_VLAN_H
+#define LINUX_IF_VLAN_H
+
+#include_next <linux/if_vlan.h>
+
+#ifndef vlan_tx_tag_present
+#define vlan_tx_tag_present skb_vlan_tag_present
+#define vlan_tx_tag_get skb_vlan_tag_get
+#define vlan_tx_tag_get_id skb_vlan_tag_get_id
+#endif
+
+#ifndef HAVE_IS_VLAN_DEV
+static inline int is_vlan_dev(struct net_device *dev)
+{
+       return dev->priv_flags & IFF_802_1Q_VLAN;
+}
+#endif
+
+#endif /* LINUX_IF_VLAN_H */