From bca516502efe1884515ff9bb8390a00f35464efa Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 22 Oct 2014 12:18:02 +0200 Subject: [PATCH 1/6] qeth: qeth_core_main make local functions static This patch makes some global functions static and removes the prototypes from the header file. Also function qeth_query_card_info is not exported anymore, there is no external user for it, this function should never have been exported in the first place. Signed-off-by: Thomas Richter Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/qeth_core.h | 16 ---------------- drivers/s390/net/qeth_core_main.c | 18 +++++++++++++++--- 2 files changed, 15 insertions(+), 19 deletions(-) diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index e7646ce3d659..7a8bb9f78e76 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -380,11 +380,6 @@ enum qeth_header_ids { #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ -static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) -{ - return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); -} - enum qeth_qdio_buffer_states { /* * inbound: read out by driver; owned by hardware in order to be filled @@ -843,13 +838,6 @@ struct qeth_trap_id { /*some helper functions*/ #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") -static inline struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) -{ - struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) - dev_get_drvdata(&cdev->dev))->dev); - return card; -} - static inline int qeth_get_micros(void) { return (int) (get_tod_clock() >> 12); @@ -894,7 +882,6 @@ const char *qeth_get_cardname_short(struct qeth_card *); int qeth_realloc_buffer_pool(struct qeth_card *, int); int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); void qeth_core_free_discipline(struct qeth_card *); -void qeth_buffer_reclaim_work(struct work_struct *); /* exports for qeth discipline device drivers */ extern struct qeth_card_list_struct qeth_core_card_list; @@ -913,7 +900,6 @@ int qeth_core_hardsetup_card(struct qeth_card *); void qeth_print_status_message(struct qeth_card *); int qeth_init_qdio_queues(struct qeth_card *); int qeth_send_startlan(struct qeth_card *); -int qeth_send_stoplan(struct qeth_card *); int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, int (*reply_cb) (struct qeth_card *, struct qeth_reply *, unsigned long), @@ -954,8 +940,6 @@ int qeth_snmp_command(struct qeth_card *, char __user *); int qeth_query_oat_command(struct qeth_card *, char __user *); int qeth_query_switch_attributes(struct qeth_card *card, struct qeth_switch_info *sw_info); -int qeth_query_card_info(struct qeth_card *card, - struct carrier_info *carrier_info); int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), void *reply_param); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index fd22c811cbe1..098bb0fff9cb 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -718,6 +718,13 @@ static int qeth_check_idx_response(struct qeth_card *card, return 0; } +static struct qeth_card *CARD_FROM_CDEV(struct ccw_device *cdev) +{ + struct qeth_card *card = dev_get_drvdata(&((struct ccwgroup_device *) + dev_get_drvdata(&cdev->dev))->dev); + return card; +} + static void qeth_setup_ccw(struct qeth_channel *channel, unsigned char *iob, __u32 len) { @@ -1431,6 +1438,7 @@ static void qeth_start_kernel_thread(struct work_struct *work) } } +static void qeth_buffer_reclaim_work(struct work_struct *); static int qeth_setup_card(struct qeth_card *card) { @@ -3232,7 +3240,7 @@ int qeth_check_qdio_errors(struct qeth_card *card, struct qdio_buffer *buf, } EXPORT_SYMBOL_GPL(qeth_check_qdio_errors); -void qeth_buffer_reclaim_work(struct work_struct *work) +static void qeth_buffer_reclaim_work(struct work_struct *work) { struct qeth_card *card = container_of(work, struct qeth_card, buffer_reclaim_work.work); @@ -4717,7 +4725,7 @@ static int qeth_query_card_info_cb(struct qeth_card *card, return 0; } -int qeth_query_card_info(struct qeth_card *card, +static int qeth_query_card_info(struct qeth_card *card, struct carrier_info *carrier_info) { struct qeth_cmd_buffer *iob; @@ -4730,7 +4738,6 @@ int qeth_query_card_info(struct qeth_card *card, return qeth_send_ipa_cmd(card, iob, qeth_query_card_info_cb, (void *)carrier_info); } -EXPORT_SYMBOL_GPL(qeth_query_card_info); static inline int qeth_get_qdio_q_format(struct qeth_card *card) { @@ -5113,6 +5120,11 @@ static inline int qeth_create_skb_frag(struct qeth_qdio_buffer *qethbuffer, return 0; } +static inline int qeth_is_last_sbale(struct qdio_buffer_element *sbale) +{ + return (sbale->eflags & SBAL_EFLAGS_LAST_ENTRY); +} + struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card, struct qeth_qdio_buffer *qethbuffer, struct qdio_buffer_element **__element, int *__offset, From 8a5931484853c161801be9fd6824881824cd834e Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 22 Oct 2014 12:18:03 +0200 Subject: [PATCH 2/6] qeth: fix some trace formating issues This patch fixes trace formatting issues using the QETH_CARD_TEXT_ macro. The total size of each trace entry is 8 bytes. Some of the sprintf formats exceed these 8 bytes (for example using abcd:%d and the converted value needs more than 3 bytes). The solution is to shorten the text prepending the value or use a different format (%x). Signed-off-by: Thomas Richter Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/qeth_core_main.c | 6 +++--- drivers/s390/net/qeth_l2_main.c | 2 +- drivers/s390/net/qeth_l3_main.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 098bb0fff9cb..f407e3763432 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -4134,7 +4134,7 @@ static int qeth_setadp_promisc_mode_cb(struct qeth_card *card, qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); if (cmd->hdr.return_code) { - QETH_CARD_TEXT_(card, 4, "prmrc%2.2x", cmd->hdr.return_code); + QETH_CARD_TEXT_(card, 4, "prmrc%x", cmd->hdr.return_code); setparms->data.mode = SET_PROMISC_MODE_OFF; } card->info.promisc_mode = setparms->data.mode; @@ -4501,13 +4501,13 @@ static int qeth_snmp_command_cb(struct qeth_card *card, snmp = &cmd->data.setadapterparms.data.snmp; if (cmd->hdr.return_code) { - QETH_CARD_TEXT_(card, 4, "scer1%i", cmd->hdr.return_code); + QETH_CARD_TEXT_(card, 4, "scer1%x", cmd->hdr.return_code); return 0; } if (cmd->data.setadapterparms.hdr.return_code) { cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; - QETH_CARD_TEXT_(card, 4, "scer2%i", cmd->hdr.return_code); + QETH_CARD_TEXT_(card, 4, "scer2%x", cmd->hdr.return_code); return 0; } data_len = *((__u16 *)QETH_IPA_PDU_LEN_PDU1(data)); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index c2679bfe7f66..d02cd1a67943 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1512,7 +1512,7 @@ static void qeth_bridge_state_change(struct qeth_card *card, QETH_CARD_TEXT(card, 2, "brstchng"); if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { - QETH_CARD_TEXT_(card, 2, "BPsz%.8d", qports->entry_length); + QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); return; } extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index afebb9709763..857a990c74c2 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2502,7 +2502,7 @@ static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) rc = -EFAULT; goto free_and_out; } - QETH_CARD_TEXT_(card, 4, "qacts"); + QETH_CARD_TEXT(card, 4, "qacts"); } free_and_out: kfree(qinfo.udata); From 56530d684e40a3a41fe390b065655fb229541c47 Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 22 Oct 2014 12:18:04 +0200 Subject: [PATCH 3/6] qeth: make local functions static in qeth_l3 module This patch makes 4 local functions static and removes the prototypes from the header file. Signed-off-by: Thomas Richter Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/qeth_l3.h | 4 ---- drivers/s390/net/qeth_l3_main.c | 8 ++++---- 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h index 29c1c00e3a0f..551a4b4c03fd 100644 --- a/drivers/s390/net/qeth_l3.h +++ b/drivers/s390/net/qeth_l3.h @@ -42,10 +42,6 @@ struct qeth_ipato_entry { }; -void qeth_l3_ipaddr4_to_string(const __u8 *, char *); -int qeth_l3_string_to_ipaddr4(const char *, __u8 *); -void qeth_l3_ipaddr6_to_string(const __u8 *, char *); -int qeth_l3_string_to_ipaddr6(const char *, __u8 *); void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *); int qeth_l3_string_to_ipaddr(const char *, enum qeth_prot_versions, __u8 *); int qeth_l3_create_device_attributes(struct device *); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 857a990c74c2..625227ad16ee 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -55,12 +55,12 @@ static int qeth_l3_isxdigit(char *buf) return 1; } -void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) +static void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) { sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); } -int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) +static int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) { int count = 0, rc = 0; unsigned int in[4]; @@ -78,12 +78,12 @@ int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) return 0; } -void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) +static void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) { sprintf(buf, "%pI6", addr); } -int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) +static int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) { const char *end, *end_tmp, *start; __u16 *in; From 3d14f661e6ae968689ff51f2f2f9b07d6ef3e3c6 Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 22 Oct 2014 12:18:05 +0200 Subject: [PATCH 4/6] qeth: s390 ethernet device driver dependency Compile the s390 10GB ethernet device driver only when ETHERNET has been defined in the kernel configuration file. Right now the qeth device driver is always built regardless of which network connectivity is active. Signed-off-by: Thomas Richter Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig index 8b3f55991805..f1b5111bbaba 100644 --- a/drivers/s390/net/Kconfig +++ b/drivers/s390/net/Kconfig @@ -71,7 +71,7 @@ config CLAW config QETH def_tristate y prompt "Gigabit Ethernet device support" - depends on CCW && NETDEVICES && IP_MULTICAST && QDIO + depends on CCW && NETDEVICES && IP_MULTICAST && QDIO && ETHERNET help This driver supports the IBM System z OSA Express adapters in QDIO mode (all media types), HiperSockets interfaces and z/VM From 786f00659afd013ee8795083f3966c28323b3a03 Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 22 Oct 2014 12:18:06 +0200 Subject: [PATCH 5/6] lcs: replace sscanf by kstrto function Since a single integer value is read from the supplied buffer use the kstrto functions instead of sscanf. Signed-off-by: Thomas Richter Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/lcs.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 0a7d87c372b8..92190aa20b9f 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1943,15 +1943,16 @@ static ssize_t lcs_portno_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct lcs_card *card; - int value, rc; + int rc; + s16 value; card = dev_get_drvdata(dev); if (!card) return 0; - rc = sscanf(buf, "%d", &value); - if (rc != 1) + rc = kstrtos16(buf, 0, &value); + if (rc) return -EINVAL; /* TODO: sanity checks */ card->portno = value; @@ -2007,8 +2008,8 @@ lcs_timeout_store (struct device *dev, struct device_attribute *attr, const char if (!card) return 0; - rc = sscanf(buf, "%u", &value); - if (rc != 1) + rc = kstrtouint(buf, 0, &value); + if (rc) return -EINVAL; /* TODO: sanity checks */ card->lancmd_timeout = value; From 652d77ba7be01093bf7e83090267533970028b12 Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 22 Oct 2014 12:18:07 +0200 Subject: [PATCH 6/6] ctcm: replace sscanf by kstrto function Since a single integer value is read from the supplied buffer use the kstrto functions instead of sscanf. Signed-off-by: Thomas Richter Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/ctcm_sysfs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c index 6bcfbbb20f04..47773c4d235a 100644 --- a/drivers/s390/net/ctcm_sysfs.c +++ b/drivers/s390/net/ctcm_sysfs.c @@ -44,8 +44,8 @@ static ssize_t ctcm_buffer_write(struct device *dev, return -ENODEV; } - rc = sscanf(buf, "%u", &bs1); - if (rc != 1) + rc = kstrtouint(buf, 0, &bs1); + if (rc) goto einval; if (bs1 > CTCM_BUFSIZE_LIMIT) goto einval; @@ -151,8 +151,8 @@ static ssize_t ctcm_proto_store(struct device *dev, if (!priv) return -ENODEV; - rc = sscanf(buf, "%d", &value); - if ((rc != 1) || + rc = kstrtoint(buf, 0, &value); + if (rc || !((value == CTCM_PROTO_S390) || (value == CTCM_PROTO_LINUX) || (value == CTCM_PROTO_MPC) ||