diff options
Diffstat (limited to 'net/atm/mpoa_caches.c')
| -rw-r--r-- | net/atm/mpoa_caches.c | 55 |
1 files changed, 26 insertions, 29 deletions
diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c index 4ccaa16b1eb1..f7a2f0e41105 100644 --- a/net/atm/mpoa_caches.c +++ b/net/atm/mpoa_caches.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/atmmpc.h> #include <linux/slab.h> @@ -116,7 +117,7 @@ static in_cache_entry *in_cache_add_entry(__be32 dst_ip, memcpy(entry->MPS_ctrl_ATM_addr, client->mps_ctrl_addr, ATM_ESA_LEN); entry->ctrl_info.in_dst_ip = dst_ip; - do_gettimeofday(&(entry->tv)); + entry->time = ktime_get_seconds(); entry->retry_time = client->parameters.mpc_p4; entry->count = 1; entry->entry_state = INGRESS_INVALID; @@ -147,7 +148,7 @@ static int cache_hit(in_cache_entry *entry, struct mpoa_client *mpc) if (qos != NULL) msg.qos = qos->qos; msg_to_mpoad(&msg, mpc); - do_gettimeofday(&(entry->reply_wait)); + entry->reply_wait = ktime_get_seconds(); entry->entry_state = INGRESS_RESOLVING; } if (entry->shortcut != NULL) @@ -170,7 +171,7 @@ static int cache_hit(in_cache_entry *entry, struct mpoa_client *mpc) if (qos != NULL) msg.qos = qos->qos; msg_to_mpoad(&msg, mpc); - do_gettimeofday(&(entry->reply_wait)); + entry->reply_wait = ktime_get_seconds(); } return CLOSED; @@ -179,8 +180,7 @@ static int cache_hit(in_cache_entry *entry, struct mpoa_client *mpc) static void in_cache_put(in_cache_entry *entry) { if (refcount_dec_and_test(&entry->use)) { - memset(entry, 0, sizeof(in_cache_entry)); - kfree(entry); + kfree_sensitive(entry); } } @@ -226,17 +226,16 @@ static void in_cache_remove_entry(in_cache_entry *entry, static void clear_count_and_expired(struct mpoa_client *client) { in_cache_entry *entry, *next_entry; - struct timeval now; + time64_t now; - do_gettimeofday(&now); + now = ktime_get_seconds(); write_lock_bh(&client->ingress_lock); entry = client->in_cache; while (entry != NULL) { entry->count = 0; next_entry = entry->next; - if ((now.tv_sec - entry->tv.tv_sec) - > entry->ctrl_info.holding_time) { + if ((now - entry->time) > entry->ctrl_info.holding_time) { dprintk("holding time expired, ip = %pI4\n", &entry->ctrl_info.in_dst_ip); client->in_ops->remove_entry(entry, client); @@ -252,35 +251,35 @@ static void check_resolving_entries(struct mpoa_client *client) struct atm_mpoa_qos *qos; in_cache_entry *entry; - struct timeval now; + time64_t now; struct k_message msg; - do_gettimeofday(&now); + now = ktime_get_seconds(); read_lock_bh(&client->ingress_lock); entry = client->in_cache; while (entry != NULL) { if (entry->entry_state == INGRESS_RESOLVING) { - if ((now.tv_sec - entry->hold_down.tv_sec) < - client->parameters.mpc_p6) { + + if ((now - entry->hold_down) + < client->parameters.mpc_p6) { entry = entry->next; /* Entry in hold down */ continue; } - if ((now.tv_sec - entry->reply_wait.tv_sec) > - entry->retry_time) { + if ((now - entry->reply_wait) > entry->retry_time) { entry->retry_time = MPC_C1 * (entry->retry_time); /* * Retry time maximum exceeded, * put entry in hold down. */ if (entry->retry_time > client->parameters.mpc_p5) { - do_gettimeofday(&(entry->hold_down)); + entry->hold_down = ktime_get_seconds(); entry->retry_time = client->parameters.mpc_p4; entry = entry->next; continue; } /* Ask daemon to send a resolution request. */ - memset(&(entry->hold_down), 0, sizeof(struct timeval)); + memset(&entry->hold_down, 0, sizeof(time64_t)); msg.type = SND_MPOA_RES_RTRY; memcpy(msg.MPS_ctrl, client->mps_ctrl_addr, ATM_ESA_LEN); msg.content.in_info = entry->ctrl_info; @@ -288,7 +287,7 @@ static void check_resolving_entries(struct mpoa_client *client) if (qos != NULL) msg.qos = qos->qos; msg_to_mpoad(&msg, client); - do_gettimeofday(&(entry->reply_wait)); + entry->reply_wait = ktime_get_seconds(); } } entry = entry->next; @@ -299,18 +298,18 @@ static void check_resolving_entries(struct mpoa_client *client) /* Call this every MPC-p5 seconds. */ static void refresh_entries(struct mpoa_client *client) { - struct timeval now; + time64_t now; struct in_cache_entry *entry = client->in_cache; ddprintk("refresh_entries\n"); - do_gettimeofday(&now); + now = ktime_get_seconds(); read_lock_bh(&client->ingress_lock); while (entry != NULL) { if (entry->entry_state == INGRESS_RESOLVED) { if (!(entry->refresh_time)) entry->refresh_time = (2 * (entry->ctrl_info.holding_time))/3; - if ((now.tv_sec - entry->reply_wait.tv_sec) > + if ((now - entry->reply_wait) > entry->refresh_time) { dprintk("refreshing an entry.\n"); entry->entry_state = INGRESS_REFRESHING; @@ -416,8 +415,7 @@ static eg_cache_entry *eg_cache_get_by_src_ip(__be32 ipaddr, static void eg_cache_put(eg_cache_entry *entry) { if (refcount_dec_and_test(&entry->use)) { - memset(entry, 0, sizeof(eg_cache_entry)); - kfree(entry); + kfree_sensitive(entry); } } @@ -479,7 +477,7 @@ static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, memcpy(entry->MPS_ctrl_ATM_addr, client->mps_ctrl_addr, ATM_ESA_LEN); entry->ctrl_info = msg->content.eg_info; - do_gettimeofday(&(entry->tv)); + entry->time = ktime_get_seconds(); entry->entry_state = EGRESS_RESOLVED; dprintk("new_eg_cache_entry cache_id %u\n", ntohl(entry->ctrl_info.cache_id)); @@ -494,7 +492,7 @@ static eg_cache_entry *eg_cache_add_entry(struct k_message *msg, static void update_eg_cache_entry(eg_cache_entry *entry, uint16_t holding_time) { - do_gettimeofday(&(entry->tv)); + entry->time = ktime_get_seconds(); entry->entry_state = EGRESS_RESOLVED; entry->ctrl_info.holding_time = holding_time; } @@ -502,17 +500,16 @@ static void update_eg_cache_entry(eg_cache_entry *entry, uint16_t holding_time) static void clear_expired(struct mpoa_client *client) { eg_cache_entry *entry, *next_entry; - struct timeval now; + time64_t now; struct k_message msg; - do_gettimeofday(&now); + now = ktime_get_seconds(); write_lock_irq(&client->egress_lock); entry = client->eg_cache; while (entry != NULL) { next_entry = entry->next; - if ((now.tv_sec - entry->tv.tv_sec) - > entry->ctrl_info.holding_time) { + if ((now - entry->time) > entry->ctrl_info.holding_time) { msg.type = SND_EGRESS_PURGE; msg.content.eg_info = entry->ctrl_info; dprintk("egress_cache: holding time expired, cache_id = %u.\n", |
