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openwrt/package/network/services/hostapd/patches/030-driver_nl80211-rewrite-neigh-code-to-not-depend-on-l.patch
Eneas U de Queiroz 24d0e74627 hostapd: bump to 2024-03-09 
This brings many changes, including fixes for a couple of memory leaks,
and improved interoperability with 802.11r.  There are also many changes
related to 802.11be, which is not enabled at this time.

Fixed upstream:
 - 022-hostapd-fix-use-of-uninitialized-stack-variables.patch
 - 180-driver_nl80211-fix-setting-QoS-map-on-secondary-BSSs.patch
 - 993-2023-10-28-ACS-Fix-typo-in-bw_40-frequency-array.patch

Switch PKG_SOURCE_URL to https, since http is not currently working.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Tested-by: Ilya Katsnelson <me@0upti.me>
Tested by: Andrew Sim <andrewsimz@gmail.com>
2024-04-04 12:12:43 +02:00

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6.9 KiB
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From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 28 Jul 2021 05:49:46 +0200
Subject: [PATCH] driver_nl80211: rewrite neigh code to not depend on
libnl3-route
Removes an unnecessary dependency and also makes the code smaller
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -18,9 +18,6 @@
#include <netlink/genl/genl.h>
#include <netlink/genl/ctrl.h>
#include <netlink/genl/family.h>
-#ifdef CONFIG_LIBNL3_ROUTE
-#include <netlink/route/neighbour.h>
-#endif /* CONFIG_LIBNL3_ROUTE */
#include <linux/rtnetlink.h>
#include <netpacket/packet.h>
#include <linux/errqueue.h>
@@ -5859,26 +5856,29 @@ fail:
static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
{
-#ifdef CONFIG_LIBNL3_ROUTE
struct wpa_driver_nl80211_data *drv = bss->drv;
- struct rtnl_neigh *rn;
- struct nl_addr *nl_addr;
+ struct ndmsg nhdr = {
+ .ndm_state = NUD_PERMANENT,
+ .ndm_ifindex = bss->ifindex,
+ .ndm_family = AF_BRIDGE,
+ };
+ struct nl_msg *msg;
int err;
- rn = rtnl_neigh_alloc();
- if (!rn)
+ msg = nlmsg_alloc_simple(RTM_DELNEIGH, NLM_F_CREATE);
+ if (!msg)
return;
- rtnl_neigh_set_family(rn, AF_BRIDGE);
- rtnl_neigh_set_ifindex(rn, bss->ifindex);
- nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
- if (!nl_addr) {
- rtnl_neigh_put(rn);
- return;
- }
- rtnl_neigh_set_lladdr(rn, nl_addr);
+ if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0)
+ goto errout;
+
+ if (nla_put(msg, NDA_LLADDR, ETH_ALEN, (void *)addr))
+ goto errout;
+
+ if (nl_send_auto_complete(drv->rtnl_sk, msg) < 0)
+ goto errout;
- err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
+ err = nl_wait_for_ack(drv->rtnl_sk);
if (err < 0) {
wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
@@ -5888,9 +5888,8 @@ static void rtnl_neigh_delete_fdb_entry(
MACSTR, MAC2STR(addr));
}
- nl_addr_put(nl_addr);
- rtnl_neigh_put(rn);
-#endif /* CONFIG_LIBNL3_ROUTE */
+errout:
+ nlmsg_free(msg);
}
@@ -8615,7 +8614,6 @@ static void *i802_init(struct hostapd_da
(params->num_bridge == 0 || !params->bridge[0]))
add_ifidx(drv, br_ifindex, drv->ifindex);
-#ifdef CONFIG_LIBNL3_ROUTE
if (bss->added_if_into_bridge || bss->already_in_bridge) {
int err;
@@ -8632,7 +8630,6 @@ static void *i802_init(struct hostapd_da
goto failed;
}
}
-#endif /* CONFIG_LIBNL3_ROUTE */
if (drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_RX) {
wpa_printf(MSG_DEBUG,
@@ -12071,13 +12068,14 @@ static int wpa_driver_br_add_ip_neigh(vo
const u8 *ipaddr, int prefixlen,
const u8 *addr)
{
-#ifdef CONFIG_LIBNL3_ROUTE
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
- struct rtnl_neigh *rn;
- struct nl_addr *nl_ipaddr = NULL;
- struct nl_addr *nl_lladdr = NULL;
- int family, addrsize;
+ struct ndmsg nhdr = {
+ .ndm_state = NUD_PERMANENT,
+ .ndm_ifindex = bss->br_ifindex,
+ };
+ struct nl_msg *msg;
+ int addrsize;
int res;
if (!ipaddr || prefixlen == 0 || !addr)
@@ -12096,85 +12094,66 @@ static int wpa_driver_br_add_ip_neigh(vo
}
if (version == 4) {
- family = AF_INET;
+ nhdr.ndm_family = AF_INET;
addrsize = 4;
} else if (version == 6) {
- family = AF_INET6;
+ nhdr.ndm_family = AF_INET6;
addrsize = 16;
} else {
return -EINVAL;
}
- rn = rtnl_neigh_alloc();
- if (rn == NULL)
+ msg = nlmsg_alloc_simple(RTM_NEWNEIGH, NLM_F_CREATE);
+ if (!msg)
return -ENOMEM;
- /* set the destination ip address for neigh */
- nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
- if (nl_ipaddr == NULL) {
- wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
- res = -ENOMEM;
+ res = -ENOMEM;
+ if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0)
goto errout;
- }
- nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
- res = rtnl_neigh_set_dst(rn, nl_ipaddr);
- if (res) {
- wpa_printf(MSG_DEBUG,
- "nl80211: neigh set destination addr failed");
+
+ if (nla_put(msg, NDA_DST, addrsize, (void *)ipaddr))
goto errout;
- }
- /* set the corresponding lladdr for neigh */
- nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
- if (nl_lladdr == NULL) {
- wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
- res = -ENOMEM;
+ if (nla_put(msg, NDA_LLADDR, ETH_ALEN, (void *)addr))
goto errout;
- }
- rtnl_neigh_set_lladdr(rn, nl_lladdr);
- rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
- rtnl_neigh_set_state(rn, NUD_PERMANENT);
+ res = nl_send_auto_complete(drv->rtnl_sk, msg);
+ if (res < 0)
+ goto errout;
- res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
+ res = nl_wait_for_ack(drv->rtnl_sk);
if (res) {
wpa_printf(MSG_DEBUG,
"nl80211: Adding bridge ip neigh failed: %s",
nl_geterror(res));
}
errout:
- if (nl_lladdr)
- nl_addr_put(nl_lladdr);
- if (nl_ipaddr)
- nl_addr_put(nl_ipaddr);
- if (rn)
- rtnl_neigh_put(rn);
+ nlmsg_free(msg);
return res;
-#else /* CONFIG_LIBNL3_ROUTE */
- return -1;
-#endif /* CONFIG_LIBNL3_ROUTE */
}
static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
const u8 *ipaddr)
{
-#ifdef CONFIG_LIBNL3_ROUTE
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
- struct rtnl_neigh *rn;
- struct nl_addr *nl_ipaddr;
- int family, addrsize;
+ struct ndmsg nhdr = {
+ .ndm_state = NUD_PERMANENT,
+ .ndm_ifindex = bss->br_ifindex,
+ };
+ struct nl_msg *msg;
+ int addrsize;
int res;
if (!ipaddr)
return -EINVAL;
if (version == 4) {
- family = AF_INET;
+ nhdr.ndm_family = AF_INET;
addrsize = 4;
} else if (version == 6) {
- family = AF_INET6;
+ nhdr.ndm_family = AF_INET6;
addrsize = 16;
} else {
return -EINVAL;
@@ -12192,41 +12171,30 @@ static int wpa_driver_br_delete_ip_neigh
return -1;
}
- rn = rtnl_neigh_alloc();
- if (rn == NULL)
+ msg = nlmsg_alloc_simple(RTM_DELNEIGH, NLM_F_CREATE);
+ if (!msg)
return -ENOMEM;
- /* set the destination ip address for neigh */
- nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
- if (nl_ipaddr == NULL) {
- wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
- res = -ENOMEM;
+ res = -ENOMEM;
+ if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0)
goto errout;
- }
- res = rtnl_neigh_set_dst(rn, nl_ipaddr);
- if (res) {
- wpa_printf(MSG_DEBUG,
- "nl80211: neigh set destination addr failed");
+
+ if (nla_put(msg, NDA_DST, addrsize, (void *)ipaddr))
goto errout;
- }
- rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
+ res = nl_send_auto_complete(drv->rtnl_sk, msg);
+ if (res < 0)
+ goto errout;
- res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
+ res = nl_wait_for_ack(drv->rtnl_sk);
if (res) {
wpa_printf(MSG_DEBUG,
"nl80211: Deleting bridge ip neigh failed: %s",
nl_geterror(res));
}
errout:
- if (nl_ipaddr)
- nl_addr_put(nl_ipaddr);
- if (rn)
- rtnl_neigh_put(rn);
+ nlmsg_free(msg);
return res;
-#else /* CONFIG_LIBNL3_ROUTE */
- return -1;
-#endif /* CONFIG_LIBNL3_ROUTE */
}
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