From: Yingjie Wang wangyingjie55@126.com
commit b7ba6cfabc42fc846eb96e33f1edcd3ea6290a27 upstream.
In rvu_mbox_handler_cgx_mac_addr_get() and rvu_mbox_handler_cgx_mac_addr_set(), the msg is expected only from PFs that are mapped to CGX LMACs. It should be checked before mapping, so we add the is_cgx_config_permitted() in the functions.
Fixes: 96be2e0da85e ("octeontx2-af: Support for MAC address filters in CGX") Signed-off-by: Yingjie Wang wangyingjie55@126.com Reviewed-by: Geetha sowjanyagakula@marvell.com Link: https://lore.kernel.org/r/1610719804-35230-1-git-send-email-wangyingjie55@12... Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c @@ -454,6 +454,9 @@ int rvu_mbox_handler_cgx_mac_addr_set(st int pf = rvu_get_pf(req->hdr.pcifunc); u8 cgx_id, lmac_id;
+ if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc)) + return -EPERM; + rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
cgx_lmac_addr_set(cgx_id, lmac_id, req->mac_addr); @@ -470,6 +473,9 @@ int rvu_mbox_handler_cgx_mac_addr_get(st int rc = 0, i; u64 cfg;
+ if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc)) + return -EPERM; + rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
rsp->hdr.rc = rc;