diff options
author | Shai Malin <smalin@marvell.com> | 2021-09-13 10:50:24 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-09-13 14:41:32 +0300 |
commit | f55e36d5ab76c3097ff36ecea60b91c6b0d80fc8 (patch) | |
tree | 696ca10cd8d47e8281897c44327a61f92d3f3695 /drivers/net/ethernet/qlogic/qede/qede_filter.c | |
parent | 626bf91a292e2035af5b9d9cce35c5c138dfe06d (diff) | |
download | linux-f55e36d5ab76c3097ff36ecea60b91c6b0d80fc8.tar.xz |
qed: Improve the stack space of filter_config()
As it was reported and discussed in: https://lore.kernel.org/lkml/CAHk-=whF9F89vsfH8E9TGc0tZA-yhzi2Di8wOtquNB5vRkFX5w@mail.gmail.com/
This patch improves the stack space of qede_config_rx_mode() by
splitting filter_config() to 3 functions and removing the
union qed_filter_type_params.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Shai Malin <smalin@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede_filter.c')
-rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_filter.c | 47 |
1 files changed, 19 insertions, 28 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index a2e4dfb5cb44..f99b085b56a5 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -619,30 +619,28 @@ static int qede_set_ucast_rx_mac(struct qede_dev *edev, enum qed_filter_xcast_params_type opcode, unsigned char mac[ETH_ALEN]) { - struct qed_filter_params filter_cmd; + struct qed_filter_ucast_params ucast; - memset(&filter_cmd, 0, sizeof(filter_cmd)); - filter_cmd.type = QED_FILTER_TYPE_UCAST; - filter_cmd.filter.ucast.type = opcode; - filter_cmd.filter.ucast.mac_valid = 1; - ether_addr_copy(filter_cmd.filter.ucast.mac, mac); + memset(&ucast, 0, sizeof(ucast)); + ucast.type = opcode; + ucast.mac_valid = 1; + ether_addr_copy(ucast.mac, mac); - return edev->ops->filter_config(edev->cdev, &filter_cmd); + return edev->ops->filter_config_ucast(edev->cdev, &ucast); } static int qede_set_ucast_rx_vlan(struct qede_dev *edev, enum qed_filter_xcast_params_type opcode, u16 vid) { - struct qed_filter_params filter_cmd; + struct qed_filter_ucast_params ucast; - memset(&filter_cmd, 0, sizeof(filter_cmd)); - filter_cmd.type = QED_FILTER_TYPE_UCAST; - filter_cmd.filter.ucast.type = opcode; - filter_cmd.filter.ucast.vlan_valid = 1; - filter_cmd.filter.ucast.vlan = vid; + memset(&ucast, 0, sizeof(ucast)); + ucast.type = opcode; + ucast.vlan_valid = 1; + ucast.vlan = vid; - return edev->ops->filter_config(edev->cdev, &filter_cmd); + return edev->ops->filter_config_ucast(edev->cdev, &ucast); } static int qede_config_accept_any_vlan(struct qede_dev *edev, bool action) @@ -1057,18 +1055,17 @@ static int qede_set_mcast_rx_mac(struct qede_dev *edev, enum qed_filter_xcast_params_type opcode, unsigned char *mac, int num_macs) { - struct qed_filter_params filter_cmd; + struct qed_filter_mcast_params mcast; int i; - memset(&filter_cmd, 0, sizeof(filter_cmd)); - filter_cmd.type = QED_FILTER_TYPE_MCAST; - filter_cmd.filter.mcast.type = opcode; - filter_cmd.filter.mcast.num = num_macs; + memset(&mcast, 0, sizeof(mcast)); + mcast.type = opcode; + mcast.num = num_macs; for (i = 0; i < num_macs; i++, mac += ETH_ALEN) - ether_addr_copy(filter_cmd.filter.mcast.mac[i], mac); + ether_addr_copy(mcast.mac[i], mac); - return edev->ops->filter_config(edev->cdev, &filter_cmd); + return edev->ops->filter_config_mcast(edev->cdev, &mcast); } int qede_set_mac_addr(struct net_device *ndev, void *p) @@ -1194,7 +1191,6 @@ void qede_config_rx_mode(struct net_device *ndev) { enum qed_filter_rx_mode_type accept_flags; struct qede_dev *edev = netdev_priv(ndev); - struct qed_filter_params rx_mode; unsigned char *uc_macs, *temp; struct netdev_hw_addr *ha; int rc, uc_count; @@ -1220,10 +1216,6 @@ void qede_config_rx_mode(struct net_device *ndev) netif_addr_unlock_bh(ndev); - /* Configure the struct for the Rx mode */ - memset(&rx_mode, 0, sizeof(struct qed_filter_params)); - rx_mode.type = QED_FILTER_TYPE_RX_MODE; - /* Remove all previous unicast secondary macs and multicast macs * (configure / leave the primary mac) */ @@ -1271,8 +1263,7 @@ void qede_config_rx_mode(struct net_device *ndev) qede_config_accept_any_vlan(edev, false); } - rx_mode.filter.accept_flags = accept_flags; - edev->ops->filter_config(edev->cdev, &rx_mode); + edev->ops->filter_config_rx_mode(edev->cdev, accept_flags); out: kfree(uc_macs); } |