kernel/pending: refresh some patches

Fix: #421
This commit is contained in:
AmadeusGhost 2021-07-23 12:20:01 +08:00
parent 22c1d103a0
commit 8553655c5f
3 changed files with 45 additions and 156 deletions

View File

@ -38,58 +38,13 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
return mac;
}
+typedef int(*mtd_mac_address_read)(struct mtd_info *mtd, loff_t from, u_char *buf);
+
+static int read_mtd_mac_address(struct mtd_info *mtd, loff_t from, u_char *mac)
+{
+ size_t retlen;
+
+ return mtd_read(mtd, from, 6, &retlen, mac);
+}
+
+static int read_mtd_mac_address_ascii(struct mtd_info *mtd, loff_t from, u_char *mac)
+{
+ size_t retlen;
+ char buf[17];
+
+ if (mtd_read(mtd, from, 12, &retlen, buf)) {
+ return -1;
+ }
+ if (sscanf(buf, "%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx",
+ &mac[0], &mac[1], &mac[2], &mac[3],
+ &mac[4], &mac[5]) == 6) {
+ return 0;
+ }
+ if (mtd_read(mtd, from+12, 5, &retlen, buf+12)) {
+ return -1;
+ }
+ if (sscanf(buf, "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
+ &mac[0], &mac[1], &mac[2], &mac[3],
+ &mac[4], &mac[5]) == 6) {
+ return 0;
+ }
+ return -1;
+}
+
+static struct mtd_mac_address_property {
+ char *name;
+ mtd_mac_address_read read;
+} mtd_mac_address_properties[] = {
+ {
+ .name = "mtd-mac-address",
+ .read = read_mtd_mac_address,
+ }, {
+ .name = "mtd-mac-address-ascii",
+ .read = read_mtd_mac_address_ascii,
+ },
+};
+
+static const void *of_get_mac_address_mtd(struct device_node *np)
+{
+#ifdef CONFIG_MTD
+ struct device_node *mtd_np = NULL;
+ struct property *prop;
+ int size, ret = -1;
+ size_t retlen;
+ int size, ret;
+ struct mtd_info *mtd;
+ const char *part;
+ const __be32 *list;
@ -97,35 +52,27 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+ u8 mac[ETH_ALEN];
+ void *addr;
+
+ for (i = 0; i < ARRAY_SIZE(mtd_mac_address_properties); i++) {
+ list = of_get_property(np, mtd_mac_address_properties[i].name, &size);
+ if (!list || (size != (2 * sizeof(*list))))
+ continue;
+
+ phandle = be32_to_cpup(list++);
+ if (phandle)
+ mtd_np = of_find_node_by_phandle(phandle);
+
+ if (!mtd_np)
+ continue;
+
+ part = of_get_property(mtd_np, "label", NULL);
+ if (!part)
+ part = mtd_np->name;
+
+ mtd = get_mtd_device_nm(part);
+ if (IS_ERR(mtd))
+ continue;
+
+ ret = mtd_mac_address_properties[i].read(mtd, be32_to_cpup(list), mac);
+ put_mtd_device(mtd);
+ if (!ret) {
+ break;
+ }
+ }
+ if (ret) {
+ list = of_get_property(np, "mtd-mac-address", &size);
+ if (!list || (size != (2 * sizeof(*list))))
+ return NULL;
+ }
+
+ phandle = be32_to_cpup(list++);
+ if (phandle)
+ mtd_np = of_find_node_by_phandle(phandle);
+
+ if (!mtd_np)
+ return NULL;
+
+ part = of_get_property(mtd_np, "label", NULL);
+ if (!part)
+ part = mtd_np->name;
+
+ mtd = get_mtd_device_nm(part);
+ if (IS_ERR(mtd))
+ return NULL;
+
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
+ put_mtd_device(mtd);
+
+ if (!is_valid_ether_addr(mac))
+ return NULL;

View File

@ -9,7 +9,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2661,7 +2661,7 @@ static inline int pskb_network_may_pull(
@@ -2650,7 +2650,7 @@ static inline int pskb_network_may_pull(
* NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8)
*/
#ifndef NET_SKB_PAD

View File

@ -40,63 +40,13 @@ index 6e411821583e..f072e2509cc9 100644
return mac;
}
+typedef int(*mtd_mac_address_read)(struct mtd_info *mtd, loff_t from, u_char *buf);
+
+static int read_mtd_mac_address(struct mtd_info *mtd, loff_t from, u_char *mac)
+{
+ size_t retlen;
+
+ return mtd_read(mtd, from, 6, &retlen, mac);
+}
+
+static int read_mtd_mac_address_ascii(struct mtd_info *mtd, loff_t from, u_char *mac)
+{
+ size_t retlen;
+ char buf[17];
+
+ if (mtd_read(mtd, from, 12, &retlen, buf)) {
+ return -1;
+ }
+ if (sscanf(buf, "%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx",
+ &mac[0], &mac[1], &mac[2], &mac[3],
+ &mac[4], &mac[5]) == 6) {
+ if (mac[0] == '\0' && mac[1] == '\0') { /* First 2 bytes are zero, probably a bug. Trying to re-read */
+ buf[4] = '\0'; /* Make it null-terminated */
+ if (sscanf(buf, "%4hx", mac) == 1)
+ *(uint16_t*)mac = htons(*(uint16_t*)mac);
+ }
+ return 0;
+ }
+ if (mtd_read(mtd, from+12, 5, &retlen, buf+12)) {
+ return -1;
+ }
+ if (sscanf(buf, "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
+ &mac[0], &mac[1], &mac[2], &mac[3],
+ &mac[4], &mac[5]) == 6) {
+ return 0;
+ }
+ return -1;
+}
+
+static struct mtd_mac_address_property {
+ char *name;
+ mtd_mac_address_read read;
+} mtd_mac_address_properties[] = {
+ {
+ .name = "mtd-mac-address",
+ .read = read_mtd_mac_address,
+ }, {
+ .name = "mtd-mac-address-ascii",
+ .read = read_mtd_mac_address_ascii,
+ },
+};
+
+static const void *of_get_mac_address_mtd(struct device_node *np)
+{
+#ifdef CONFIG_MTD
+ struct device_node *mtd_np = NULL;
+ struct property *prop;
+ int size, ret = -1;
+ size_t retlen;
+ int size, ret;
+ struct mtd_info *mtd;
+ const char *part;
+ const __be32 *list;
@ -104,35 +54,27 @@ index 6e411821583e..f072e2509cc9 100644
+ u8 mac[ETH_ALEN];
+ void *addr;
+
+ for (i = 0; i < ARRAY_SIZE(mtd_mac_address_properties); i++) {
+ list = of_get_property(np, mtd_mac_address_properties[i].name, &size);
+ if (!list || (size != (2 * sizeof(*list))))
+ continue;
+
+ phandle = be32_to_cpup(list++);
+ if (phandle)
+ mtd_np = of_find_node_by_phandle(phandle);
+
+ if (!mtd_np)
+ continue;
+
+ part = of_get_property(mtd_np, "label", NULL);
+ if (!part)
+ part = mtd_np->name;
+
+ mtd = get_mtd_device_nm(part);
+ if (IS_ERR(mtd))
+ continue;
+
+ ret = mtd_mac_address_properties[i].read(mtd, be32_to_cpup(list), mac);
+ put_mtd_device(mtd);
+ if (!ret) {
+ break;
+ }
+ }
+ if (ret) {
+ list = of_get_property(np, "mtd-mac-address", &size);
+ if (!list || (size != (2 * sizeof(*list))))
+ return NULL;
+ }
+
+ phandle = be32_to_cpup(list++);
+ if (phandle)
+ mtd_np = of_find_node_by_phandle(phandle);
+
+ if (!mtd_np)
+ return NULL;
+
+ part = of_get_property(mtd_np, "label", NULL);
+ if (!part)
+ part = mtd_np->name;
+
+ mtd = get_mtd_device_nm(part);
+ if (IS_ERR(mtd))
+ return NULL;
+
+ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, mac);
+ put_mtd_device(mtd);
+
+ if (!is_valid_ether_addr(mac))
+ return NULL;