Hi,
Scenario:
1. If our device configures netdev->mtu as 1500 and netdev->max_pkt_len
is 9128(above 9k).
2. If the DHCP server sends MTU size as 9K.
As per the code walk-through, I understand that this api "static int
apply_netdev_settings”
get invoke and call the below part of code to handle the above scenario: In
this case, as part of netdev_close , it gets called the intf_close and it
didn’t call the intf_init/open as part of netdev_open api.
/* Close and reopen network device if MTU has increased */
if ( netdev_is_open ( netdev ) && ( mtu > old_mtu ) ) {
netdev_close ( netdev );
if ( ( rc = netdev_open ( netdev ) ) != 0 ) {
DBGC ( netdev, "NETDEV %s could not reopen: "
"%s\n", netdev->name, strerror ( rc ) );
return rc;
}
}
Intf_init api gets called from the below flow which is invoked as part of
device probe api.
alloc_etherdev()---> alloc_netdev()-----> intf_init gets called based on
the number of entries in the configuration.
Could you please let me know if the intf_close gets called as part of
netdev_close api , what is the flow to create the intf/ re-init the intf again
for the above scenario.
Regards
Mohamed Shah R
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