[PATCH net-next 06/15] s390/qeth: consolidate qeth MAC address helpers
flat view
STALE3230d
From: Julian Wiedmann <hidden>
Date: 2017-12-20 19:11:29
Also in:
linux-s390
Subsystem:
networking drivers, s390 architecture, s390 network drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Heiko Carstens, Vasily Gorbik, Alexander Gordeev, Alexandra Winter, Aswin Karuvally, Linus Torvalds
For adding/removing a MAC address, use just one helper each that handles both unicast and multicast. Saves one level of indirection for multicast addresses, while improving the error reporting for unicast addresses. Signed-off-by: Julian Wiedmann <redacted> --- drivers/s390/net/qeth_l2_main.c | 47 ++++++++++++++++------------------------- 1 file changed, 18 insertions(+), 29 deletions(-)
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 88dd92954eec..94079e2c462d 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c@@ -156,48 +156,37 @@ static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) return rc; } -static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac) +static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) { + enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ? + IPA_CMD_SETGMAC : IPA_CMD_SETVMAC; int rc; - QETH_CARD_TEXT(card, 2, "L2Sgmac"); - rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETGMAC); + QETH_CARD_TEXT(card, 2, "L2Wmac"); + rc = qeth_l2_send_setdelmac(card, mac, cmd); if (rc == -EEXIST) - QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s\n", - mac, QETH_CARD_IFNAME(card)); + QETH_DBF_MESSAGE(2, "MAC %pM already registered on %s\n", + mac, QETH_CARD_IFNAME(card)); else if (rc) - QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %d\n", - mac, QETH_CARD_IFNAME(card), rc); + QETH_DBF_MESSAGE(2, "Failed to register MAC %pM on %s: %d\n", + mac, QETH_CARD_IFNAME(card), rc); return rc; } -static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac) +static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac) { + enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ? + IPA_CMD_DELGMAC : IPA_CMD_DELVMAC; int rc; - QETH_CARD_TEXT(card, 2, "L2Dgmac"); - rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELGMAC); + QETH_CARD_TEXT(card, 2, "L2Rmac"); + rc = qeth_l2_send_setdelmac(card, mac, cmd); if (rc) - QETH_DBF_MESSAGE(2, - "Could not delete group MAC %pM on %s: %d\n", - mac, QETH_CARD_IFNAME(card), rc); + QETH_DBF_MESSAGE(2, "Failed to delete MAC %pM on %s: %d\n", + mac, QETH_CARD_IFNAME(card), rc); return rc; } -static int qeth_l2_write_mac(struct qeth_card *card, struct qeth_mac *mac) -{ - if (is_multicast_ether_addr_64bits(mac->mac_addr)) - return qeth_l2_send_setgroupmac(card, mac->mac_addr); - return qeth_l2_send_setdelmac(card, mac->mac_addr, IPA_CMD_SETVMAC); -} - -static int qeth_l2_remove_mac(struct qeth_card *card, struct qeth_mac *mac) -{ - if (is_multicast_ether_addr_64bits(mac->mac_addr)) - return qeth_l2_send_delgroupmac(card, mac->mac_addr); - return qeth_l2_send_setdelmac(card, mac->mac_addr, IPA_CMD_DELVMAC); -} - static void qeth_l2_del_all_macs(struct qeth_card *card) { struct qeth_mac *mac;
@@ -639,12 +628,12 @@ static void qeth_l2_set_rx_mode(struct net_device *dev) hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) { if (mac->disp_flag == QETH_DISP_ADDR_DELETE) { - qeth_l2_remove_mac(card, mac); + qeth_l2_remove_mac(card, mac->mac_addr); hash_del(&mac->hnode); kfree(mac); } else if (mac->disp_flag == QETH_DISP_ADDR_ADD) { - rc = qeth_l2_write_mac(card, mac); + rc = qeth_l2_write_mac(card, mac->mac_addr); if (rc) { hash_del(&mac->hnode); kfree(mac);
--
2.13.5