numam-dpdk/drivers/net/nfb/nfb_rxmode.c
Martin Spinler dc7920c76c net/nfb: check array size before access
The driver wrongly assumed the presence of at least one rxmac in every
firmware and accessed to non-existing unit

Signed-off-by: Martin Spinler <spinler@cesnet.cz>
Acked-by: Jakub Neruda <neruda@netcope.com>
2020-04-21 13:57:06 +02:00

112 lines
2.4 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2019 Cesnet
* Copyright(c) 2019 Netcope Technologies, a.s. <info@netcope.com>
* All rights reserved.
*/
#include "nfb_rxmode.h"
#include "nfb.h"
int
nfb_eth_promiscuous_enable(struct rte_eth_dev *dev)
{
struct pmd_internals *internals = (struct pmd_internals *)
dev->data->dev_private;
uint16_t i;
internals->rx_filter_original = RXMAC_MAC_FILTER_PROMISCUOUS;
for (i = 0; i < internals->max_rxmac; ++i) {
nc_rxmac_mac_filter_enable(internals->rxmac[i],
RXMAC_MAC_FILTER_PROMISCUOUS);
}
return 0;
}
int
nfb_eth_promiscuous_disable(struct rte_eth_dev *dev)
{
struct pmd_internals *internals = (struct pmd_internals *)
dev->data->dev_private;
uint16_t i;
internals->rx_filter_original = RXMAC_MAC_FILTER_TABLE;
/* if promisc is not enabled, do nothing */
if (!nfb_eth_promiscuous_get(dev))
return 0;
for (i = 0; i < internals->max_rxmac; ++i) {
nc_rxmac_mac_filter_enable(internals->rxmac[i],
RXMAC_MAC_FILTER_TABLE);
}
return 0;
}
int
nfb_eth_promiscuous_get(struct rte_eth_dev *dev)
{
struct pmd_internals *internals = (struct pmd_internals *)
dev->data->dev_private;
struct nc_rxmac_status status;
status.mac_filter = RXMAC_MAC_FILTER_PROMISCUOUS;
if (internals->max_rxmac > 0)
nc_rxmac_read_status(internals->rxmac[0], &status);
return (status.mac_filter == RXMAC_MAC_FILTER_PROMISCUOUS);
}
int
nfb_eth_allmulticast_enable(struct rte_eth_dev *dev)
{
struct pmd_internals *internals = (struct pmd_internals *)
dev->data->dev_private;
uint16_t i;
for (i = 0; i < internals->max_rxmac; ++i) {
nc_rxmac_mac_filter_enable(internals->rxmac[i],
RXMAC_MAC_FILTER_TABLE_BCAST_MCAST);
}
return 0;
}
int
nfb_eth_allmulticast_disable(struct rte_eth_dev *dev)
{
struct pmd_internals *internals = (struct pmd_internals *)
dev->data->dev_private;
uint16_t i;
/* if multicast is not enabled do nothing */
if (!nfb_eth_allmulticast_get(dev))
return 0;
for (i = 0; i < internals->max_rxmac; ++i) {
nc_rxmac_mac_filter_enable(internals->rxmac[i],
internals->rx_filter_original);
}
return 0;
}
int
nfb_eth_allmulticast_get(struct rte_eth_dev *dev)
{
struct pmd_internals *internals = (struct pmd_internals *)
dev->data->dev_private;
struct nc_rxmac_status status;
status.mac_filter = RXMAC_MAC_FILTER_PROMISCUOUS;
if (internals->max_rxmac > 0)
nc_rxmac_read_status(internals->rxmac[0], &status);
return (status.mac_filter == RXMAC_MAC_FILTER_TABLE_BCAST_MCAST);
}