Commit e52e68ee authored by Jérôme Pouiller's avatar Jérôme Pouiller Committed by Greg Kroah-Hartman
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staging: wfx: simplify hif_set_arp_ipv4_filter() usage



The structure hif_mib_arp_ip_addr_table come from hardware API. It is
not intended to be manipulated in upper layers of the driver.

In add, current code for hif_set_arp_ipv4_filter() is too dumb. It
should pack data using the hardware representation instead of leaving
all work to the caller.

Signed-off-by: default avatarJérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200115135338.14374-9-Jerome.Pouiller@silabs.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9ed8b0d0
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+13 −3
Original line number Diff line number Diff line
@@ -260,12 +260,22 @@ static inline int hif_keep_alive_period(struct wfx_vif *wvif, int period)
			     &arg, sizeof(arg));
};

static inline int hif_set_arp_ipv4_filter(struct wfx_vif *wvif,
					  struct hif_mib_arp_ip_addr_table *fp)
static inline int hif_set_arp_ipv4_filter(struct wfx_vif *wvif, int idx,
					  __be32 *addr)
{
	struct hif_mib_arp_ip_addr_table arg = {
		.condition_idx = idx,
		.arp_enable = HIF_ARP_NS_FILTERING_DISABLE,
	};

	if (addr) {
		// Caution: type of addr is __be32
		memcpy(arg.ipv4_address, addr, sizeof(arg.ipv4_address));
		arg.arp_enable = HIF_ARP_NS_FILTERING_ENABLE;
	}
	return hif_write_mib(wvif->wdev, wvif->id,
			     HIF_MIB_ID_ARP_IP_ADDRESSES_TABLE,
			     fp, sizeof(*fp));
			     &arg, sizeof(arg));
}

static inline int hif_use_multi_tx_conf(struct wfx_dev *wdev,
+7 −18
Original line number Diff line number Diff line
@@ -915,30 +915,19 @@ void wfx_bss_info_changed(struct ieee80211_hw *hw,
	struct wfx_vif *wvif = (struct wfx_vif *) vif->drv_priv;
	bool do_join = false;
	int i;
	int nb_arp_addr;

	mutex_lock(&wdev->conf_mutex);

	/* TODO: BSS_CHANGED_QOS */
	if (changed & BSS_CHANGED_ARP_FILTER) {
		struct hif_mib_arp_ip_addr_table filter = { };

		nb_arp_addr = info->arp_addr_cnt;
		if (nb_arp_addr <= 0 || nb_arp_addr > HIF_MAX_ARP_IP_ADDRTABLE_ENTRIES)
			nb_arp_addr = 0;

		for (i = 0; i < HIF_MAX_ARP_IP_ADDRTABLE_ENTRIES; i++) {
			filter.condition_idx = i;
			if (i < nb_arp_addr) {
				// Caution: type of arp_addr_list[i] is __be32
				memcpy(filter.ipv4_address,
				       &info->arp_addr_list[i],
				       sizeof(filter.ipv4_address));
				filter.arp_enable = HIF_ARP_NS_FILTERING_ENABLE;
			} else {
				filter.arp_enable = HIF_ARP_NS_FILTERING_DISABLE;
			}
			hif_set_arp_ipv4_filter(wvif, &filter);
			__be32 *arp_addr = &info->arp_addr_list[i];

			if (info->arp_addr_cnt > HIF_MAX_ARP_IP_ADDRTABLE_ENTRIES)
				arp_addr = NULL;
			if (i >= info->arp_addr_cnt)
				arp_addr = NULL;
			hif_set_arp_ipv4_filter(wvif, i, arp_addr);
		}
	}