From f44aa9ef7950a56daa3a5b41f069761f945f1a1f Mon Sep 17 00:00:00 2001 From: John Hurley Date: Wed, 23 May 2018 19:22:52 -0700 Subject: [PATCH] net: include hash policy in LAG changeupper info LAG upper event notifiers contain the tx type used by the LAG device. Extend this to also include the hash policy used for tx types that utilize hashing. Signed-off-by: John Hurley Signed-off-by: David S. Miller --- drivers/net/bonding/bond_main.c | 27 ++++++++++++++++++++++++++- drivers/net/team/team.c | 1 + include/linux/netdevice.h | 11 +++++++++++ 3 files changed, 38 insertions(+), 1 deletion(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index fea17b92b1ae..bd53a71f6b00 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1218,12 +1218,37 @@ static enum netdev_lag_tx_type bond_lag_tx_type(struct bonding *bond) } } +static enum netdev_lag_hash bond_lag_hash_type(struct bonding *bond, + enum netdev_lag_tx_type type) +{ + if (type != NETDEV_LAG_TX_TYPE_HASH) + return NETDEV_LAG_HASH_NONE; + + switch (bond->params.xmit_policy) { + case BOND_XMIT_POLICY_LAYER2: + return NETDEV_LAG_HASH_L2; + case BOND_XMIT_POLICY_LAYER34: + return NETDEV_LAG_HASH_L34; + case BOND_XMIT_POLICY_LAYER23: + return NETDEV_LAG_HASH_L23; + case BOND_XMIT_POLICY_ENCAP23: + return NETDEV_LAG_HASH_E23; + case BOND_XMIT_POLICY_ENCAP34: + return NETDEV_LAG_HASH_E34; + default: + return NETDEV_LAG_HASH_UNKNOWN; + } +} + static int bond_master_upper_dev_link(struct bonding *bond, struct slave *slave, struct netlink_ext_ack *extack) { struct netdev_lag_upper_info lag_upper_info; + enum netdev_lag_tx_type type; - lag_upper_info.tx_type = bond_lag_tx_type(bond); + type = bond_lag_tx_type(bond); + lag_upper_info.tx_type = type; + lag_upper_info.hash_type = bond_lag_hash_type(bond, type); return netdev_master_upper_dev_link(slave->dev, bond->dev, slave, &lag_upper_info, extack); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index d6ff881165d0..e6730a01d130 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1129,6 +1129,7 @@ static int team_upper_dev_link(struct team *team, struct team_port *port, int err; lag_upper_info.tx_type = team->mode->lag_tx_type; + lag_upper_info.hash_type = NETDEV_LAG_HASH_UNKNOWN; err = netdev_master_upper_dev_link(port->dev, team->dev, NULL, &lag_upper_info, extack); if (err) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index debdb6286170..8452f72087ef 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2332,8 +2332,19 @@ enum netdev_lag_tx_type { NETDEV_LAG_TX_TYPE_HASH, }; +enum netdev_lag_hash { + NETDEV_LAG_HASH_NONE, + NETDEV_LAG_HASH_L2, + NETDEV_LAG_HASH_L34, + NETDEV_LAG_HASH_L23, + NETDEV_LAG_HASH_E23, + NETDEV_LAG_HASH_E34, + NETDEV_LAG_HASH_UNKNOWN, +}; + struct netdev_lag_upper_info { enum netdev_lag_tx_type tx_type; + enum netdev_lag_hash hash_type; }; struct netdev_lag_lower_state_info { -- 2.11.0