diff options
| author | Li Zetao <lizetao1@huawei.com> | 2023-08-08 14:38:49 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-08-10 01:26:49 +0300 |
| commit | b77049f04ed16cb0ab89b1cca689cd16a3071fd2 (patch) | |
| tree | fccb4c01aa1ab253f67881368af33e3a39d84eff /drivers/net/ethernet/neterion | |
| parent | 052059b663c957aea5a90f206ece4849f88f34bf (diff) | |
| download | linux-b77049f04ed16cb0ab89b1cca689cd16a3071fd2.tar.xz | |
ethernet: s2io: Use ether_addr_to_u64() to convert ethernet address
Use ether_addr_to_u64() to convert an Ethernet address into a u64 value,
instead of directly calculating, as this is exactly what
this function does.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230808113849.4033657-1-lizetao1@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/neterion')
| -rw-r--r-- | drivers/net/ethernet/neterion/s2io.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index 700c05fb05b9..61d8bfd12d5f 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -5091,13 +5091,10 @@ static void do_s2io_restore_unicast_mc(struct s2io_nic *sp) static int do_s2io_add_mc(struct s2io_nic *sp, u8 *addr) { int i; - u64 mac_addr = 0; + u64 mac_addr; struct config_param *config = &sp->config; - for (i = 0; i < ETH_ALEN; i++) { - mac_addr <<= 8; - mac_addr |= addr[i]; - } + mac_addr = ether_addr_to_u64(addr); if ((0ULL == mac_addr) || (mac_addr == S2IO_DISABLE_MAC_ENTRY)) return SUCCESS; @@ -5220,7 +5217,7 @@ static int s2io_set_mac_addr(struct net_device *dev, void *p) static int do_s2io_prog_unicast(struct net_device *dev, const u8 *addr) { struct s2io_nic *sp = netdev_priv(dev); - register u64 mac_addr = 0, perm_addr = 0; + register u64 mac_addr, perm_addr; int i; u64 tmp64; struct config_param *config = &sp->config; @@ -5230,12 +5227,8 @@ static int do_s2io_prog_unicast(struct net_device *dev, const u8 *addr) * change on the device address registered with the OS. It will be * at offset 0. */ - for (i = 0; i < ETH_ALEN; i++) { - mac_addr <<= 8; - mac_addr |= addr[i]; - perm_addr <<= 8; - perm_addr |= sp->def_mac_addr[0].mac_addr[i]; - } + mac_addr = ether_addr_to_u64(addr); + perm_addr = ether_addr_to_u64(sp->def_mac_addr[0].mac_addr); /* check if the dev_addr is different than perm_addr */ if (mac_addr == perm_addr) |