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134 lines
4.4 KiB
Diff
134 lines
4.4 KiB
Diff
From 6c219b0088158da839a5be63c5b3d96c145501d2 Mon Sep 17 00:00:00 2001
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From: Franky Lin <franky.lin@broadcom.com>
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Date: Wed, 8 Nov 2017 14:36:32 +0100
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Subject: [PATCH] brcmfmac: disable packet filtering in promiscuous mode
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Disable arp and nd offload to allow all packets sending to host.
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Reported-by: Phil Elwell <phil@raspberrypi.org>
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Tested-by: Phil Elwell <phil@raspberrypi.org>
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Reviewed-by: Arend Van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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.../broadcom/brcm80211/brcmfmac/cfg80211.c | 41 ----------------------
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.../wireless/broadcom/brcm80211/brcmfmac/core.c | 38 ++++++++++++++++++++
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.../wireless/broadcom/brcm80211/brcmfmac/core.h | 1 +
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3 files changed, 39 insertions(+), 41 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -472,47 +472,6 @@ send_key_to_dongle(struct brcmf_if *ifp,
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return err;
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}
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-static s32
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-brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
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-{
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- s32 err;
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- u32 mode;
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-
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- if (enable)
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- mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
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- else
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- mode = 0;
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-
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- /* Try to set and enable ARP offload feature, this may fail, then it */
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- /* is simply not supported and err 0 will be returned */
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- err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
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- if (err) {
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- brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
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- mode, err);
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- err = 0;
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- } else {
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- err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
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- if (err) {
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- brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
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- enable, err);
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- err = 0;
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- } else
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- brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
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- enable, mode);
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- }
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-
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- err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
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- if (err) {
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- brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
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- enable, err);
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- err = 0;
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- } else
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- brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
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- enable, mode);
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-
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- return err;
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-}
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-
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static void
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brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
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{
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
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@@ -71,6 +71,43 @@ struct brcmf_if *brcmf_get_ifp(struct br
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return ifp;
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}
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+void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
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+{
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+ s32 err;
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+ u32 mode;
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+
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+ if (enable)
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+ mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
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+ else
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+ mode = 0;
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+
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+ /* Try to set and enable ARP offload feature, this may fail, then it */
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+ /* is simply not supported and err 0 will be returned */
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+ err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
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+ if (err) {
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+ brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
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+ mode, err);
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+ } else {
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+ err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
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+ if (err) {
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+ brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
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+ enable, err);
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+ } else {
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+ brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
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+ enable, mode);
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+ }
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+ }
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+
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+ err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
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+ if (err) {
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+ brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
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+ enable, err);
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+ } else {
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+ brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
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+ enable, mode);
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+ }
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+}
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+
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static void _brcmf_set_multicast_list(struct work_struct *work)
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{
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struct brcmf_if *ifp;
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@@ -134,6 +171,7 @@ static void _brcmf_set_multicast_list(st
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if (err < 0)
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brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n",
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err);
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+ brcmf_configure_arp_nd_offload(ifp, !cmd_value);
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}
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#if IS_ENABLED(CONFIG_IPV6)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
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@@ -203,6 +203,7 @@ int brcmf_netdev_wait_pend8021x(struct b
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/* Return pointer to interface name */
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char *brcmf_ifname(struct brcmf_if *ifp);
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struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
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+void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable);
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int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
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struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
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bool is_p2pdev, const char *name, u8 *mac_addr);
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