From: Michael Brown <mcb30@ipxe.org>
Date: Wed, 13 Mar 2013 22:34:06 +0000 (+0000)
Subject: [efi] Add last_opened_snpdev()
X-Git-Tag: v1.20.1~1565
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db014f3c23be19e11964d48f2bcb25b54a9bf722;p=thirdparty%2Fipxe.git

[efi] Add last_opened_snpdev()

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/include/ipxe/efi/efi_snp.h b/src/include/ipxe/efi/efi_snp.h
index c86760908..074d1b27d 100644
--- a/src/include/ipxe/efi/efi_snp.h
+++ b/src/include/ipxe/efi/efi_snp.h
@@ -71,5 +71,6 @@ struct efi_snp_device {
 
 extern int efi_snp_hii_install ( struct efi_snp_device *snpdev );
 extern void efi_snp_hii_uninstall ( struct efi_snp_device *snpdev );
+extern struct efi_snp_device * last_opened_snpdev ( void );
 
 #endif /* _IPXE_EFI_SNP_H */
diff --git a/src/interface/efi/efi_snp.c b/src/interface/efi/efi_snp.c
index 200275966..48a6f397e 100644
--- a/src/interface/efi/efi_snp.c
+++ b/src/interface/efi/efi_snp.c
@@ -1005,3 +1005,18 @@ struct net_driver efi_snp_driver __net_driver = {
 	.notify = efi_snp_notify,
 	.remove = efi_snp_remove,
 };
+
+/**
+ * Get most recently opened SNP device
+ *
+ * @ret snpdev		Most recently opened SNP device, or NULL
+ */
+struct efi_snp_device * last_opened_snpdev ( void ) {
+	struct net_device *netdev;
+
+	netdev = last_opened_netdev();
+	if ( ! netdev )
+		return NULL;
+
+	return efi_snp_demux ( netdev );
+}