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netdev: Move CMD_REKEY_OFFLOAD builder to nl80211util

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This commit is contained in:
Denis Kenzior 2023-11-14 10:09:07 -06:00
parent 05c1d34c6e
commit 28798990d2
3 changed files with 30 additions and 25 deletions
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26
src/netdev.c
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@ -2163,30 +2163,6 @@ static void hardware_rekey_cb(struct l_genl_msg *msg, void *data)
}
}
static struct l_genl_msg *netdev_build_cmd_replay_counter(struct netdev *netdev,
const uint8_t *kek,
const uint8_t *kck,
uint64_t replay_ctr)
{
struct l_genl_msg *msg;
msg = l_genl_msg_new_sized(NL80211_CMD_SET_REKEY_OFFLOAD, 512);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
l_genl_msg_enter_nested(msg, NL80211_ATTR_REKEY_DATA);
l_genl_msg_append_attr(msg, NL80211_REKEY_DATA_KEK,
NL80211_KEK_LEN, kek);
l_genl_msg_append_attr(msg, NL80211_REKEY_DATA_KCK,
NL80211_KCK_LEN, kck);
l_genl_msg_append_attr(msg, NL80211_REKEY_DATA_REPLAY_CTR,
NL80211_REPLAY_CTR_LEN, &replay_ctr);
l_genl_msg_leave_nested(msg);
return msg;
}
static void netdev_set_rekey_offload(uint32_t ifindex,
const uint8_t *kek,
const uint8_t *kck,
@ -2207,7 +2183,7 @@ static void netdev_set_rekey_offload(uint32_t ifindex,
return;
l_debug("%d", netdev->index);
msg = netdev_build_cmd_replay_counter(netdev, kek, kck, replay_counter);
msg = nl80211_build_rekey_offload(ifindex, kek, kck, replay_counter);
netdev->rekey_offload_cmd_id = l_genl_family_send(nl80211, msg,
hardware_rekey_cb,
netdev, NULL);

24
src/nl80211util.c
View File

@ -408,6 +408,30 @@ struct l_genl_msg *nl80211_build_new_rx_key_pairwise(uint32_t ifindex,
return msg;
}
struct l_genl_msg *nl80211_build_rekey_offload(uint32_t ifindex,
const uint8_t *kek,
const uint8_t *kck,
uint64_t replay_ctr)
{
struct l_genl_msg *msg;
msg = l_genl_msg_new_sized(NL80211_CMD_SET_REKEY_OFFLOAD, 512);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &ifindex);
l_genl_msg_enter_nested(msg, NL80211_ATTR_REKEY_DATA);
l_genl_msg_append_attr(msg, NL80211_REKEY_DATA_KEK,
NL80211_KEK_LEN, kek);
l_genl_msg_append_attr(msg, NL80211_REKEY_DATA_KCK,
NL80211_KCK_LEN, kck);
l_genl_msg_append_attr(msg, NL80211_REKEY_DATA_REPLAY_CTR,
NL80211_REPLAY_CTR_LEN, &replay_ctr);
l_genl_msg_leave_nested(msg);
return msg;
}
static struct l_genl_msg *nl80211_build_set_station(uint32_t ifindex,
const uint8_t *addr,
struct nl80211_sta_flag_update *flags)

5
src/nl80211util.h
View File

@ -57,6 +57,11 @@ struct l_genl_msg *nl80211_build_new_rx_key_pairwise(uint32_t ifindex,
size_t tk_len,
uint8_t key_id);
struct l_genl_msg *nl80211_build_rekey_offload(uint32_t ifindex,
const uint8_t *kek,
const uint8_t *kck,
uint64_t replay_ctr);
struct l_genl_msg *nl80211_build_set_station_authorized(uint32_t ifindex,
const uint8_t *addr);