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net: deprecate eth_change_mtu, remove usage

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With centralized MTU checking, there's nothing productive done by
eth_change_mtu that isn't already done in dev_set_mtu, so mark it as
deprecated and remove all usage of it in the kernel. All callers have been
audited for calls to alloc_etherdev* or ether_setup directly, which means
they all have a valid dev->min_mtu and dev->max_mtu. Now eth_change_mtu
prints out a netdev_warn about being deprecated, for the benefit of
out-of-tree drivers that might be utilizing it.

Of note, dvb_net.c actually had dev->mtu = 4096, while using
eth_change_mtu, meaning that if you ever tried changing it's mtu, you
couldn't set it above 1500 anymore. It's now getting dev->max_mtu also set
to 4096 to remedy that.

v2: fix up lantiq_etop, missed breakage due to drive not compiling on x86

CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarod Wilson
2016-10-07 22:04:34 -04:00
committed by David S. Miller
parent 61e84623ac
commit a52ad514fd
143 changed files with 16 additions and 156 deletions
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1
drivers/net/ethernet/dec/tulip/de2104x.c
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@@ -1956,7 +1956,6 @@ static const struct net_device_ops de_netdev_ops = {
.ndo_start_xmit = de_start_xmit,
.ndo_get_stats = de_get_stats,
.ndo_tx_timeout = de_tx_timeout,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};

1
drivers/net/ethernet/dec/tulip/de4x5.c
View File

@@ -1085,7 +1085,6 @@ static const struct net_device_ops de4x5_netdev_ops = {
.ndo_get_stats = de4x5_get_stats,
.ndo_set_rx_mode = set_multicast_list,
.ndo_do_ioctl = de4x5_ioctl,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address= eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};

1
drivers/net/ethernet/dec/tulip/dmfe.c
View File

@@ -352,7 +352,6 @@ static const struct net_device_ops netdev_ops = {
.ndo_stop = dmfe_stop,
.ndo_start_xmit = dmfe_start_xmit,
.ndo_set_rx_mode = dmfe_set_filter_mode,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER

1
drivers/net/ethernet/dec/tulip/tulip_core.c
View File

@@ -1282,7 +1282,6 @@ static const struct net_device_ops tulip_netdev_ops = {
.ndo_get_stats = tulip_get_stats,
.ndo_do_ioctl = private_ioctl,
.ndo_set_rx_mode = set_rx_mode,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER

1
drivers/net/ethernet/dec/tulip/uli526x.c
View File

@@ -269,7 +269,6 @@ static const struct net_device_ops netdev_ops = {
.ndo_stop = uli526x_stop,
.ndo_start_xmit = uli526x_start_xmit,
.ndo_set_rx_mode = uli526x_set_filter_mode,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER

1
drivers/net/ethernet/dec/tulip/winbond-840.c
View File

@@ -353,7 +353,6 @@ static const struct net_device_ops netdev_ops = {
.ndo_set_rx_mode = set_rx_mode,
.ndo_do_ioctl = netdev_ioctl,
.ndo_tx_timeout = tx_timeout,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};

1
drivers/net/ethernet/dec/tulip/xircom_cb.c
View File

@@ -174,7 +174,6 @@ static const struct net_device_ops netdev_ops = {
.ndo_open = xircom_open,
.ndo_stop = xircom_close,
.ndo_start_xmit = xircom_start_xmit,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER