[PATCH net-next 10/10] s390/qeth: constify the MPC initialization data

Julian Wiedmann
2020-07-14T14:23:05Z

We're not modifying these data blobs, so mark them as constant.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
---
drivers/s390/net/qeth_core_main.c | 2 +-
drivers/s390/net/qeth_core_mpc.c | 16 ++++++++--------
drivers/s390/net/qeth_core_mpc.h | 17 ++++++++---------
3 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 01a280b5e8d2..8a76022fceda 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2026,7 +2026,7 @@ static bool qeth_mpc_match_reply(struct qeth_cmd_buffer *iob,
}

static struct qeth_cmd_buffer *qeth_mpc_alloc_cmd(struct qeth_card *card,
- void *data,
+ const void *data,
unsigned int data_length)
{
struct qeth_cmd_buffer *iob;
diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c
index e3f4866c158e..68c2588b9dcc 100644
--- a/drivers/s390/net/qeth_core_mpc.c
+++ b/drivers/s390/net/qeth_core_mpc.c
@@ -10,7 +10,7 @@
#include <asm/cio.h>
#include "qeth_core_mpc.h"

-unsigned char IDX_ACTIVATE_READ[] = {
+const unsigned char IDX_ACTIVATE_READ[] = {
0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x19, 0x01, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc1,
@@ -18,7 +18,7 @@ unsigned char IDX_ACTIVATE_READ[] = {
0x00, 0x00
};

-unsigned char IDX_ACTIVATE_WRITE[] = {
+const unsigned char IDX_ACTIVATE_WRITE[] = {
0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x15, 0x01, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc1,
@@ -26,7 +26,7 @@ unsigned char IDX_ACTIVATE_WRITE[] = {
0x00, 0x00
};

-unsigned char CM_ENABLE[] = {
+const unsigned char CM_ENABLE[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x63,
0x10, 0x00, 0x00, 0x01,
@@ -45,7 +45,7 @@ unsigned char CM_ENABLE[] = {
0xff, 0xff, 0xff
};

-unsigned char CM_SETUP[] = {
+const unsigned char CM_SETUP[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x64,
0x10, 0x00, 0x00, 0x01,
@@ -65,7 +65,7 @@ unsigned char CM_SETUP[] = {
0x04, 0x06, 0xc8, 0x00
};

-unsigned char ULP_ENABLE[] = {
+const unsigned char ULP_ENABLE[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x6b,
0x10, 0x00, 0x00, 0x01,
@@ -85,7 +85,7 @@ unsigned char ULP_ENABLE[] = {
0xf1, 0x00, 0x00
};

-unsigned char ULP_SETUP[] = {
+const unsigned char ULP_SETUP[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x6c,
0x10, 0x00, 0x00, 0x01,
@@ -107,7 +107,7 @@ unsigned char ULP_SETUP[] = {
0x00, 0x00, 0x00, 0x00
};

-unsigned char DM_ACT[] = {
+const unsigned char DM_ACT[] = {
0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x55,
0x10, 0x00, 0x00, 0x01,
@@ -123,7 +123,7 @@ unsigned char DM_ACT[] = {
0x05, 0x40, 0x01, 0x01, 0x00
};

-unsigned char IPA_PDU_HEADER[] = {
+const unsigned char IPA_PDU_HEADER[] = {
0x00, 0xe0, 0x00, 0x00, 0x77, 0x77, 0x77, 0x77,
0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00,
0x10, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index 9d6f39d8f9ab..b459def0fb26 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -13,13 +13,13 @@
#include <uapi/linux/if_ether.h>
#include <uapi/linux/in6.h>

+extern const unsigned char IPA_PDU_HEADER[];
#define IPA_PDU_HEADER_SIZE 0x40
#define QETH_IPA_PDU_LEN_TOTAL(buffer) (buffer + 0x0e)
#define QETH_IPA_PDU_LEN_PDU1(buffer) (buffer + 0x26)
#define QETH_IPA_PDU_LEN_PDU2(buffer) (buffer + 0x29)
#define QETH_IPA_PDU_LEN_PDU3(buffer) (buffer + 0x3a)

-extern unsigned char IPA_PDU_HEADER[];
#define QETH_IPA_CMD_DEST_ADDR(buffer) (buffer + 0x2c)

#define QETH_SEQ_NO_LENGTH 4
@@ -858,7 +858,7 @@ extern const char *qeth_get_ipa_cmd_name(enum qeth_ipa_cmds cmd);
/* END OF IP Assist related definitions */
/*****************************************************************************/

-extern unsigned char CM_ENABLE[];
+extern const unsigned char CM_ENABLE[];
#define CM_ENABLE_SIZE 0x63
#define QETH_CM_ENABLE_ISSUER_RM_TOKEN(buffer) (buffer + 0x2c)
#define QETH_CM_ENABLE_FILTER_TOKEN(buffer) (buffer + 0x53)
@@ -868,7 +868,7 @@ extern unsigned char CM_ENABLE[];
(PDU_ENCAPSULATION(buffer) + 0x13)

-extern unsigned char CM_SETUP[];
+extern const unsigned char CM_SETUP[];
#define CM_SETUP_SIZE 0x64
#define QETH_CM_SETUP_DEST_ADDR(buffer) (buffer + 0x2c)
#define QETH_CM_SETUP_CONNECTION_TOKEN(buffer) (buffer + 0x51)
@@ -877,7 +877,7 @@ extern unsigned char CM_SETUP[];
#define QETH_CM_SETUP_RESP_DEST_ADDR(buffer) \
(PDU_ENCAPSULATION(buffer) + 0x1a)

-extern unsigned char ULP_ENABLE[];
+extern const unsigned char ULP_ENABLE[];
#define ULP_ENABLE_SIZE 0x6b
#define QETH_ULP_ENABLE_LINKNUM(buffer) (buffer + 0x61)
#define QETH_ULP_ENABLE_DEST_ADDR(buffer) (buffer + 0x2c)
@@ -898,7 +898,7 @@ extern unsigned char ULP_ENABLE[];
#define QETH_ULP_ENABLE_PROT_TYPE(buffer) (buffer + 0x50)
#define QETH_IPA_CMD_PROT_TYPE(buffer) (buffer + 0x19)

-extern unsigned char ULP_SETUP[];
+extern const unsigned char ULP_SETUP[];
#define ULP_SETUP_SIZE 0x6c
#define QETH_ULP_SETUP_DEST_ADDR(buffer) (buffer + 0x2c)
#define QETH_ULP_SETUP_CONNECTION_TOKEN(buffer) (buffer + 0x51)
@@ -910,7 +910,7 @@ extern unsigned char ULP_SETUP[];
(PDU_ENCAPSULATION(buffer) + 0x1a)

-extern unsigned char DM_ACT[];
+extern const unsigned char DM_ACT[];
#define DM_ACT_SIZE 0x55
#define QETH_DM_ACT_DEST_ADDR(buffer) (buffer + 0x2c)
#define QETH_DM_ACT_CONNECTION_TOKEN(buffer) (buffer + 0x51)
@@ -921,9 +921,8 @@ extern unsigned char DM_ACT[];
#define QETH_PDU_HEADER_SEQ_NO(buffer) (buffer + 0x1c)
#define QETH_PDU_HEADER_ACK_SEQ_NO(buffer) (buffer + 0x20)

-extern unsigned char IDX_ACTIVATE_READ[];
-extern unsigned char IDX_ACTIVATE_WRITE[];
-
+extern const unsigned char IDX_ACTIVATE_READ[];
+extern const unsigned char IDX_ACTIVATE_WRITE[];
#define IDX_ACTIVATE_SIZE 0x22
#define QETH_IDX_ACT_PNO(buffer) (buffer+0x0b)
#define QETH_IDX_ACT_ISSUER_RM_TOKEN(buffer) (buffer + 0x0c)
--
2.17.1