diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h index 88b8981b4..9b40a85cc 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h @@ -285,12 +285,31 @@ static inline int is_t4(enum chip_type chip) return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4; } +/** + * hash_mac_addr - return the hash value of a MAC address + * @addr: the 48-bit Ethernet MAC address + * + * Hashes a MAC address according to the hash function used by hardware + * inexact (hash) address matching. + */ +static inline int hash_mac_addr(const u8 *addr) +{ + u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2]; + u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5]; + + a ^= b; + a ^= (a >> 12); + a ^= (a >> 6); + return a & 0x3f; +} + int t4vf_wait_dev_ready(struct adapter *); int t4vf_port_init(struct adapter *, int); int t4vf_fw_reset(struct adapter *); int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *); +int t4vf_fl_pkt_align(struct adapter *adapter); enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS }; int t4vf_bar2_sge_qregs(struct adapter *adapter, unsigned int qid, @@ -320,6 +339,8 @@ int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int, bool); int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int, const u8 **, u16 *, u64 *, bool); +int t4vf_free_mac_filt(struct adapter *, unsigned int, unsigned int naddr, + const u8 **, bool); int t4vf_change_mac(struct adapter *, unsigned int, int, const u8 *, bool); int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool); int t4vf_get_port_stats(struct adapter *, int, struct t4vf_port_stats *); |