diff options
Diffstat (limited to 'drivers/infiniband/hw/usnic/usnic_common_util.h')
| -rw-r--r-- | drivers/infiniband/hw/usnic/usnic_common_util.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_common_util.h b/drivers/infiniband/hw/usnic/usnic_common_util.h index 128550a4f9e2..afd8bfa379ed 100644 --- a/drivers/infiniband/hw/usnic/usnic_common_util.h +++ b/drivers/infiniband/hw/usnic/usnic_common_util.h @@ -36,6 +36,23 @@ usnic_mac_to_gid(const char *const mac, char *raw_gid) } static inline void +usnic_mac_ip_to_gid(const char *const mac, const uint32_t inaddr, char *raw_gid) +{ + raw_gid[0] = 0xfe; + raw_gid[1] = 0x80; + memset(&raw_gid[2], 0, 2); + memcpy(&raw_gid[4], &inaddr, 4); + raw_gid[8] = mac[0]^2; + raw_gid[9] = mac[1]; + raw_gid[10] = mac[2]; + raw_gid[11] = 0xff; + raw_gid[12] = 0xfe; + raw_gid[13] = mac[3]; + raw_gid[14] = mac[4]; + raw_gid[15] = mac[5]; +} + +static inline void usnic_write_gid_if_id_from_mac(char *mac, char *raw_gid) { raw_gid[8] = mac[0]^2; |