{"id":817982,"url":"http://patchwork.ozlabs.org/api/patches/817982/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20170924195716.3433-17-xypron.glpk@gmx.de/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170924195716.3433-17-xypron.glpk@gmx.de>","list_archive_url":null,"date":"2017-09-24T19:57:15","name":"[U-Boot,16/17] efi_selftest: allow printing MAC addresses","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"3bb879ea0bcf94030cedb41f250bede3fb86b787","submitter":{"id":61270,"url":"http://patchwork.ozlabs.org/api/people/61270/?format=json","name":"Heinrich Schuchardt","email":"xypron.glpk@gmx.de"},"delegate":{"id":3400,"url":"http://patchwork.ozlabs.org/api/users/3400/?format=json","username":"agraf","first_name":"Alexander","last_name":"Graf","email":"agraf@suse.de"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20170924195716.3433-17-xypron.glpk@gmx.de/mbox/","series":[{"id":4841,"url":"http://patchwork.ozlabs.org/api/series/4841/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=4841","date":"2017-09-24T19:57:03","name":"efi_loader: Simple Network Protocol","version":1,"mbox":"http://patchwork.ozlabs.org/series/4841/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/817982/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/817982/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "},"content":"Add %pm as format string to print a MAC address.\nThis is helpful when analyzing network problems.\n\nSigned-off-by: Heinrich Schuchardt \n---\n lib/efi_selftest/efi_selftest_console.c | 41 ++++++++++++++++++++++++++++++++-\n 1 file changed, 40 insertions(+), 1 deletion(-)","diff":"diff --git a/lib/efi_selftest/efi_selftest_console.c b/lib/efi_selftest/efi_selftest_console.c\nindex 7b5b724a61..840e2290c6 100644\n--- a/lib/efi_selftest/efi_selftest_console.c\n+++ b/lib/efi_selftest/efi_selftest_console.c\n@@ -12,6 +12,37 @@\n struct efi_simple_text_output_protocol *con_out;\n struct efi_simple_input_interface *con_in;\n \n+/*\n+ * Print a MAC address to an u16 string\n+ *\n+ * @pointer: mac address\n+ * @buf: pointer to buffer address\n+ * on return position of terminating zero word\n+ */\n+static void mac(void *pointer, u16 **buf)\n+{\n+\tint i, j;\n+\tu16 c;\n+\tu8 *p = (u8 *)pointer;\n+\tu8 byte;\n+\tu16 *pos = *buf;\n+\n+\tfor (i = 0; i < ARP_HLEN; ++i) {\n+\t\tif (i)\n+\t\t\t*pos++ = ':';\n+\t\tbyte = p[i];\n+\t\tfor (j = 4; j >= 0; j -= 4) {\n+\t\t\tc = (byte >> j) & 0x0f;\n+\t\t\tc += '0';\n+\t\t\tif (c > '9')\n+\t\t\t\tc += 'a' - '9' - 1;\n+\t\t\t*pos++ = c;\n+\t\t}\n+\t}\n+\t*pos = 0;\n+\t*buf = pos;\n+}\n+\n /*\n * Print a pointer to an u16 string\n *\n@@ -146,7 +177,15 @@ void efi_st_printf(const char *fmt, ...)\n \t\t\t\tint2dec(va_arg(args, s32), &pos);\n \t\t\t\tbreak;\n \t\t\tcase 'p':\n-\t\t\t\tpointer(va_arg(args, void*), &pos);\n+\t\t\t\t++c;\n+\t\t\t\tswitch (*c) {\n+\t\t\t\tcase 'm':\n+\t\t\t\t\tmac(va_arg(args, void*), &pos);\n+\t\t\t\t\tbreak;\n+\t\t\t\tdefault:\n+\t\t\t\t\t--c;\n+\t\t\t\t\tpointer(va_arg(args, void*), &pos);\n+\t\t\t\t}\n \t\t\t\tbreak;\n \t\t\tcase 's':\n \t\t\t\ts = va_arg(args, const char *);\n","prefixes":["U-Boot","16/17"]}