projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /* |
| 2 | * Minimal wrappers to allow compiling kni on older kernels. | |
| 3 | */ | |
| 4 | ||
| 11fdf7f2 TL |
5 | #include <linux/version.h> |
| 6 | ||
| 7c673cae FG |
7 | #ifndef RHEL_RELEASE_VERSION |
| 8 | #define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b)) | |
| 9 | #endif | |
| 10 | ||
| 11 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \ | |
| 12 | (!(defined(RHEL_RELEASE_CODE) && \ | |
| 13 | RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4))) | |
| 14 | ||
| 15 | #define kstrtoul strict_strtoul | |
| 16 | ||
| 17 | #endif /* < 2.6.39 */ | |
| 18 | ||
| 19 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33) | |
| 20 | #define HAVE_SIMPLIFIED_PERNET_OPERATIONS | |
| 21 | #endif | |
| 22 | ||
| 23 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35) | |
| 24 | #define sk_sleep(s) ((s)->sk_sleep) | |
| 25 | #else | |
| 26 | #define HAVE_SOCKET_WQ | |
| 27 | #endif | |
| 28 | ||
| 29 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0) | |
| 30 | #define HAVE_STATIC_SOCK_MAP_FD | |
| 31 | #else | |
| 32 | #define kni_sock_map_fd(s) sock_map_fd(s, 0) | |
| 33 | #endif | |
| 34 | ||
| 35 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) | |
| 36 | #define HAVE_CHANGE_CARRIER_CB | |
| 37 | #endif | |
| 38 | ||
| 39 | #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0) | |
| 40 | #define ether_addr_copy(dst, src) memcpy(dst, src, ETH_ALEN) | |
| 41 | #endif | |
| 42 | ||
| 43 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0) | |
| 44 | #define HAVE_IOV_ITER_MSGHDR | |
| 45 | #endif | |
| 46 | ||
| 47 | #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0) | |
| 48 | #define HAVE_KIOCB_MSG_PARAM | |
| 49 | #define HAVE_REBUILD_HEADER | |
| 50 | #endif | |
| 51 | ||
| 52 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
| 53 | #define HAVE_SK_ALLOC_KERN_PARAM | |
| 54 | #endif | |
| 55 | ||
| 56 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) | |
| 57 | #define HAVE_TRANS_START_HELPER | |
| 58 | #endif | |
| 59 | ||
| 60 | /* | |
| 61 | * KNI uses NET_NAME_UNKNOWN macro to select correct version of alloc_netdev() | |
| 62 | * For old kernels just backported the commit that enables the macro | |
| 63 | * (685343fc3ba6) but still uses old API, it is required to undefine macro to | |
| 64 | * select correct version of API, this is safe since KNI doesn't use the value. | |
| 65 | * This fix is specific to RedHat/CentOS kernels. | |
| 66 | */ | |
| 67 | #if (defined(RHEL_RELEASE_CODE) && \ | |
| 68 | (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 8)) && \ | |
| 69 | (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))) | |
| 70 | #undef NET_NAME_UNKNOWN | |
| 71 | #endif | |
| 11fdf7f2 TL |
72 | |
| 73 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0) | |
| 74 | #define HAVE_SIGNAL_FUNCTIONS_OWN_HEADER | |
| 75 | #endif |