diff options
| author | Andrei Otcheretianski <andrei.otcheretianski@intel.com> | 2022-06-30 15:27:59 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-07-15 11:43:19 +0200 |
| commit | 67207bab9341418698ae1029b28a44b58c39257e (patch) | |
| tree | 7eebc87214b192fb0d31e3c1cc043043c0198a33 /net/mac80211/tx.c | |
| parent | d2bc52498b6bafb7c2d80347b9f8fea9e3c7fc66 (diff) | |
wifi: cfg80211/mac80211: Support control port TX from specific link
In case of authentication with a legacy station, link addressed EAPOL
frames should be sent. Support it.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 4a7a714de79e..8f25cfe0d543 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -5674,7 +5674,7 @@ void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, const u8 *buf, size_t len, const u8 *dest, __be16 proto, bool unencrypted, - u64 *cookie) + int link_id, u64 *cookie) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; @@ -5714,7 +5714,23 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, ehdr = skb_push(skb, sizeof(struct ethhdr)); memcpy(ehdr->h_dest, dest, ETH_ALEN); - memcpy(ehdr->h_source, sdata->vif.addr, ETH_ALEN); + + if (link_id < 0) { + memcpy(ehdr->h_source, sdata->vif.addr, ETH_ALEN); + } else { + struct ieee80211_bss_conf *link_conf; + + rcu_read_lock(); + link_conf = rcu_dereference(sdata->vif.link_conf[link_id]); + if (!link_conf) { + dev_kfree_skb(skb); + rcu_read_unlock(); + return -ENOLINK; + } + memcpy(ehdr->h_source, link_conf->addr, ETH_ALEN); + rcu_read_unlock(); + } + ehdr->h_proto = proto; skb->dev = dev; |