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net: bootp: Make root path (option 17) length configurable

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to adjust the root path length.
Eg to 256 from Linux Kernel

Signed-off-by: Andre Kalb <andre.kalb@sma.de>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
[trini: Guard extern so that !CONFIG_NET platforms will build]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Andre Kalb 2022-01-28 09:40:32 +01:00 committed by Tom Rini
parent 56edbb5eaf
commit 5e6e41b3ba
3 changed files with 10 additions and 2 deletions
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4
include/net.h
View file

@ -536,7 +536,9 @@ extern struct in_addr net_dns_server2;
#endif
extern char net_nis_domain[32]; /* Our IS domain */
extern char net_hostname[32]; /* Our hostname */
extern char net_root_path[64]; /* Our root path */
#ifdef CONFIG_NET
extern char net_root_path[CONFIG_BOOTP_MAX_ROOT_PATH_LEN]; /* Our root path */
#endif
/** END OF BOOTP EXTENTIONS **/
extern u8 net_ethaddr[ARP_HLEN]; /* Our ethernet address */
extern u8 net_server_ethaddr[ARP_HLEN]; /* Boot server enet address */

6
net/Kconfig
View file

@ -168,6 +168,12 @@ config BOOTP_SERVERIP
variable, not the BOOTP server. This affects the operation of both
bootp and tftp.
config BOOTP_MAX_ROOT_PATH_LEN
int "Option 17 root path length"
default 64
help
Select maximal length of option 17 root path.
endif # if NET
config SYS_RX_ETH_BUFFER

2
net/bootp.c
View file

@ -59,7 +59,7 @@ ulong bootp_start;
ulong bootp_timeout;
char net_nis_domain[32] = {0,}; /* Our NIS domain */
char net_hostname[32] = {0,}; /* Our hostname */
char net_root_path[64] = {0,}; /* Our bootpath */
char net_root_path[CONFIG_BOOTP_MAX_ROOT_PATH_LEN] = {0,}; /* Our bootpath */
static ulong time_taken_max;