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qtnfmac: keeping track of "generation" for STA info

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Keep generation in per-VIF data structure and increment it whenever STA
list is changed. Use generation value to fill struct station_info when
required.

Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Igor Mitsyanko
2017-12-19 14:28:55 +03:00
committed by Kalle Valo
parent 4d2a7a1cfa
commit 7a4d3a3bc8
5 changed files with 16 additions and 7 deletions
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8
drivers/net/wireless/quantenna/qtnfmac/util.c
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@@ -57,9 +57,10 @@ struct qtnf_sta_node *qtnf_sta_list_lookup_index(struct qtnf_sta_list *list,
return NULL;
}
struct qtnf_sta_node *qtnf_sta_list_add(struct qtnf_sta_list *list,
struct qtnf_sta_node *qtnf_sta_list_add(struct qtnf_vif *vif,
const u8 *mac)
{
struct qtnf_sta_list *list = &vif->sta_list;
struct qtnf_sta_node *node;
if (unlikely(!mac))
@@ -77,13 +78,15 @@ struct qtnf_sta_node *qtnf_sta_list_add(struct qtnf_sta_list *list,
ether_addr_copy(node->mac_addr, mac);
list_add_tail(&node->list, &list->head);
atomic_inc(&list->size);
++vif->generation;
done:
return node;
}
bool qtnf_sta_list_del(struct qtnf_sta_list *list, const u8 *mac)
bool qtnf_sta_list_del(struct qtnf_vif *vif, const u8 *mac)
{
struct qtnf_sta_list *list = &vif->sta_list;
struct qtnf_sta_node *node;
bool ret = false;
@@ -93,6 +96,7 @@ bool qtnf_sta_list_del(struct qtnf_sta_list *list, const u8 *mac)
list_del(&node->list);
atomic_dec(&list->size);
kfree(node);
++vif->generation;
ret = true;
}