| From 699ee38bca47b22ee46e560587a3a0a5630075f3 Mon Sep 17 00:00:00 2001 |
| From: Michael-CY Lee <michael-cy.lee@mediatek.com> |
| Date: Mon, 25 Mar 2024 16:26:34 +0800 |
| Subject: [PATCH 61/89] mtk: mac80211: assign link address to the header of |
| broadcast mgmt |
| |
| AAD calculation should use link addr as input for broadcast mgmt. skb. |
| This commit assigns link address to the header of cloned broadcast mgmt. |
| for the correct AAD calculation. |
| |
| Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com> |
| --- |
| net/mac80211/offchannel.c | 16 +++++++++++++--- |
| 1 file changed, 13 insertions(+), 3 deletions(-) |
| |
| diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c |
| index dd3ebee..9e4f26a 100644 |
| --- a/net/mac80211/offchannel.c |
| +++ b/net/mac80211/offchannel.c |
| @@ -1024,16 +1024,26 @@ int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| if (is_multicast_ether_addr(mgmt->da) && hweight16(links) > 1) { |
| unsigned int link; |
| struct sk_buff *dskb; |
| + struct ieee80211_hdr *hdr; |
| + struct ieee80211_bss_conf *conf; |
| |
| for_each_set_bit(link, &links, IEEE80211_MLD_MAX_NUM_LINKS) { |
| + conf = rcu_dereference(sdata->vif.link_conf[link]); |
| + if (!conf) |
| + continue; |
| + |
| dskb = skb_clone(skb, GFP_ATOMIC); |
| - if (dskb) { |
| - ieee80211_tx_skb_tid(sdata, dskb, 7, link); |
| - } else { |
| + if (!dskb) { |
| ret = -ENOMEM; |
| kfree_skb(skb); |
| goto out_unlock; |
| } |
| + |
| + /* Assign link address */ |
| + hdr = (void *)dskb->data; |
| + memcpy(hdr->addr2, conf->addr, ETH_ALEN); |
| + memcpy(hdr->addr3, conf->addr, ETH_ALEN); |
| + ieee80211_tx_skb_tid(sdata, dskb, 7, link); |
| } |
| kfree_skb(skb); |
| } else { |
| -- |
| 2.18.0 |
| |