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brcmfmac: disable packet filtering in promiscuous mode 

Disable arp and nd offload to allow all packets sending to host.

Reported-by: Phil Elwell <phil@raspberrypi.org>
Tested-by: Phil Elwell <phil@raspberrypi.org>
Reviewed-by: Arend Van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Franky Lin 2017-11-08 14:36:32 +01:00 committed by Kalle Valo
parent 2fd3877b5b
commit 6c219b0088
3 changed files with 39 additions and 41 deletions
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41
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
View File

@ -472,47 +472,6 @@ send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
return err;
}
static s32
brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
{
s32 err;
u32 mode;
if (enable)
mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
else
mode = 0;
/* Try to set and enable ARP offload feature, this may fail, then it */
/* is simply not supported and err 0 will be returned */
err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
if (err) {
brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
mode, err);
err = 0;
} else {
err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
if (err) {
brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
enable, err);
err = 0;
} else
brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
enable, mode);
}
err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
if (err) {
brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
enable, err);
err = 0;
} else
brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
enable, mode);
return err;
}
static void
brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
{

38
drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
View File

@ -71,6 +71,43 @@ struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx)
return ifp;
}
void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
{
s32 err;
u32 mode;
if (enable)
mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
else
mode = 0;
/* Try to set and enable ARP offload feature, this may fail, then it */
/* is simply not supported and err 0 will be returned */
err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
if (err) {
brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
mode, err);
} else {
err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
if (err) {
brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
enable, err);
} else {
brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
enable, mode);
}
}
err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
if (err) {
brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
enable, err);
} else {
brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
enable, mode);
}
}
static void _brcmf_set_multicast_list(struct work_struct *work)
{
struct brcmf_if *ifp;
@ -134,6 +171,7 @@ static void _brcmf_set_multicast_list(struct work_struct *work)
if (err < 0)
brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n",
err);
brcmf_configure_arp_nd_offload(ifp, !cmd_value);
}
#if IS_ENABLED(CONFIG_IPV6)

1
drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
View File

@ -203,6 +203,7 @@ int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp);
/* Return pointer to interface name */
char *brcmf_ifname(struct brcmf_if *ifp);
struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable);
int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
bool is_p2pdev, const char *name, u8 *mac_addr);