diff options
author | Rob Herring <rob.herring@calxeda.com> | 2012-12-02 21:00:29 -0600 |
---|---|---|
committer | Joe Hershberger <joe.hershberger@ni.com> | 2013-06-24 19:10:14 -0500 |
commit | 98f646764d237b1776638cc83efba61bf92d8709 (patch) | |
tree | 9af005e2299baa7c71c5adae154c34f19da97fd1 | |
parent | 58d9ff936f106d8319a4be8a253a66adc2772736 (diff) |
pxe: add ipappend support
Add ipappend support to pass network device information to the kernel.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
-rw-r--r-- | common/cmd_pxe.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/common/cmd_pxe.c b/common/cmd_pxe.c index 3958e215d7..1fb75d8ae9 100644 --- a/common/cmd_pxe.c +++ b/common/cmd_pxe.c @@ -452,6 +452,7 @@ struct pxe_label { char *append; char *initrd; char *fdt; + int ipappend; int attempted; int localboot; int localboot_val; @@ -585,7 +586,11 @@ static int label_boot(struct pxe_label *label) { char *bootm_argv[] = { "bootm", NULL, NULL, NULL, NULL }; char initrd_str[22]; + char mac_str[29] = ""; + char ip_str[68] = ""; + char *bootargs; int bootm_argc = 3; + int len = 0; label_print(label); @@ -624,9 +629,39 @@ static int label_boot(struct pxe_label *label) return 1; } - if (label->append) { - setenv("bootargs", label->append); - printf("append: %s\n", label->append); + if (label->ipappend & 0x1) { + sprintf(ip_str, " ip=%s:%s:%s:%s", + getenv("ipaddr"), getenv("serverip"), + getenv("gatewayip"), getenv("netmask")); + len += strlen(ip_str); + } + + if (label->ipappend & 0x2) { + int err; + strcpy(mac_str, " BOOTIF="); + err = format_mac_pxe(mac_str + 8, sizeof(mac_str) - 8); + if (err < 0) + mac_str[0] = '\0'; + len += strlen(mac_str); + } + + if (label->append) + len += strlen(label->append); + + if (len) { + bootargs = malloc(len + 1); + if (!bootargs) + return 1; + bootargs[0] = '\0'; + if (label->append) + strcpy(bootargs, label->append); + strcat(bootargs, ip_str); + strcat(bootargs, mac_str); + + setenv("bootargs", bootargs); + printf("append: %s\n", bootargs); + + free(bootargs); } bootm_argv[1] = getenv("kernel_addr_r"); @@ -689,6 +724,7 @@ enum token_type { T_INCLUDE, T_FDT, T_ONTIMEOUT, + T_IPAPPEND, T_INVALID }; @@ -718,6 +754,7 @@ static const struct token keywords[] = { {"include", T_INCLUDE}, {"fdt", T_FDT}, {"ontimeout", T_ONTIMEOUT,}, + {"ipappend", T_IPAPPEND,}, {NULL, T_INVALID} }; @@ -1109,6 +1146,10 @@ static int parse_label(char **c, struct pxe_menu *cfg) err = parse_integer(c, &label->localboot_val); break; + case T_IPAPPEND: + err = parse_integer(c, &label->ipappend); + break; + case T_EOL: break; |