On Fri, Dec 02, 2016 at 06:10:05PM +0300, Stanislav Kholmanskikh wrote: > get_card_packet() from ofnet.c allocates a netbuff based on the device's MTU: > > nb = grub_netbuff_alloc (dev->mtu + 64 + 2); > > In the case when the MTU is large, and the received packet is > relatively small, this leads to allocation of significantly more memory, > than it's required. An example could be transmission of TFTP packets > with 0x400 blksize via a network card with 0x10000 MTU. > > This patch implements a per-card receive buffer in a way similar to efinet.c, > and makes get_card_packet() allocate a netbuff of the received data size. > > Signed-off-by: Stanislav Kholmanskikh <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]> Daniel _______________________________________________ Grub-devel mailing list [email protected] https://lists.gnu.org/mailman/listinfo/grub-devel
