Commit aed284c7 authored by Mintz, Yuval's avatar Mintz, Yuval Committed by David S. Miller

qede: Split filtering logic to its own file

This takes the various filtering logic of the driver and
moves them into their own dedicated file - qede_filter.c.
Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cdda926d
obj-$(CONFIG_QEDE) := qede.o
qede-y := qede_main.o qede_fp.o qede_ethtool.o
qede-y := qede_main.o qede_fp.o qede_filter.o qede_ethtool.o
qede-$(CONFIG_DCB) += qede_dcbnl.o
qede-$(CONFIG_QED_RDMA) += qede_roce.o
......@@ -419,9 +419,31 @@ int qede_free_tx_pkt(struct qede_dev *edev,
struct qede_tx_queue *txq, int *len);
int qede_poll(struct napi_struct *napi, int budget);
irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie);
/* Filtering function definitions */
void qede_force_mac(void *dev, u8 *mac, bool forced);
int qede_set_mac_addr(struct net_device *ndev, void *p);
int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid);
int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid);
void qede_vlan_mark_nonconfigured(struct qede_dev *edev);
int qede_configure_vlan_filters(struct qede_dev *edev);
int qede_set_features(struct net_device *dev, netdev_features_t features);
void qede_set_rx_mode(struct net_device *ndev);
void qede_config_rx_mode(struct net_device *ndev);
void qede_fill_rss_params(struct qede_dev *edev,
struct qed_update_vport_rss_params *rss, u8 *update);
void qede_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti);
void qede_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti);
int qede_xdp(struct net_device *dev, struct netdev_xdp *xdp);
#ifdef CONFIG_DCB
void qede_set_dcbnl_ops(struct net_device *ndev);
#endif
void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level);
void qede_set_ethtool_ops(struct net_device *netdev);
void qede_reload(struct qede_dev *edev,
......
/* QLogic qede NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and /or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <net/udp_tunnel.h>
#include <linux/bitops.h>
#include <linux/qed/qed_if.h>
#include "qede.h"
void qede_force_mac(void *dev, u8 *mac, bool forced)
{
struct qede_dev *edev = dev;
/* MAC hints take effect only if we haven't set one already */
if (is_valid_ether_addr(edev->ndev->dev_addr) && !forced)
return;
ether_addr_copy(edev->ndev->dev_addr, mac);
ether_addr_copy(edev->primary_mac, mac);
}
static int qede_set_ucast_rx_mac(struct qede_dev *edev,
enum qed_filter_xcast_params_type opcode,
unsigned char mac[ETH_ALEN])
{
struct qed_filter_params filter_cmd;
memset(&filter_cmd, 0, sizeof(filter_cmd));
filter_cmd.type = QED_FILTER_TYPE_UCAST;
filter_cmd.filter.ucast.type = opcode;
filter_cmd.filter.ucast.mac_valid = 1;
ether_addr_copy(filter_cmd.filter.ucast.mac, mac);
return edev->ops->filter_config(edev->cdev, &filter_cmd);
}
static int qede_set_ucast_rx_vlan(struct qede_dev *edev,
enum qed_filter_xcast_params_type opcode,
u16 vid)
{
struct qed_filter_params filter_cmd;
memset(&filter_cmd, 0, sizeof(filter_cmd));
filter_cmd.type = QED_FILTER_TYPE_UCAST;
filter_cmd.filter.ucast.type = opcode;
filter_cmd.filter.ucast.vlan_valid = 1;
filter_cmd.filter.ucast.vlan = vid;
return edev->ops->filter_config(edev->cdev, &filter_cmd);
}
static void qede_config_accept_any_vlan(struct qede_dev *edev, bool action)
{
struct qed_update_vport_params params;
int rc;
/* Proceed only if action actually needs to be performed */
if (edev->accept_any_vlan == action)
return;
memset(&params, 0, sizeof(params));
params.vport_id = 0;
params.accept_any_vlan = action;
params.update_accept_any_vlan_flg = 1;
rc = edev->ops->vport_update(edev->cdev, &params);
if (rc) {
DP_ERR(edev, "Failed to %s accept-any-vlan\n",
action ? "enable" : "disable");
} else {
DP_INFO(edev, "%s accept-any-vlan\n",
action ? "enabled" : "disabled");
edev->accept_any_vlan = action;
}
}
int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_vlan *vlan, *tmp;
int rc = 0;
DP_VERBOSE(edev, NETIF_MSG_IFUP, "Adding vlan 0x%04x\n", vid);
vlan = kzalloc(sizeof(*vlan), GFP_KERNEL);
if (!vlan) {
DP_INFO(edev, "Failed to allocate struct for vlan\n");
return -ENOMEM;
}
INIT_LIST_HEAD(&vlan->list);
vlan->vid = vid;
vlan->configured = false;
/* Verify vlan isn't already configured */
list_for_each_entry(tmp, &edev->vlan_list, list) {
if (tmp->vid == vlan->vid) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"vlan already configured\n");
kfree(vlan);
return -EEXIST;
}
}
/* If interface is down, cache this VLAN ID and return */
__qede_lock(edev);
if (edev->state != QEDE_STATE_OPEN) {
DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
"Interface is down, VLAN %d will be configured when interface is up\n",
vid);
if (vid != 0)
edev->non_configured_vlans++;
list_add(&vlan->list, &edev->vlan_list);
goto out;
}
/* Check for the filter limit.
* Note - vlan0 has a reserved filter and can be added without
* worrying about quota
*/
if ((edev->configured_vlans < edev->dev_info.num_vlan_filters) ||
(vlan->vid == 0)) {
rc = qede_set_ucast_rx_vlan(edev,
QED_FILTER_XCAST_TYPE_ADD,
vlan->vid);
if (rc) {
DP_ERR(edev, "Failed to configure VLAN %d\n",
vlan->vid);
kfree(vlan);
goto out;
}
vlan->configured = true;
/* vlan0 filter isn't consuming out of our quota */
if (vlan->vid != 0)
edev->configured_vlans++;
} else {
/* Out of quota; Activate accept-any-VLAN mode */
if (!edev->non_configured_vlans)
qede_config_accept_any_vlan(edev, true);
edev->non_configured_vlans++;
}
list_add(&vlan->list, &edev->vlan_list);
out:
__qede_unlock(edev);
return rc;
}
static void qede_del_vlan_from_list(struct qede_dev *edev,
struct qede_vlan *vlan)
{
/* vlan0 filter isn't consuming out of our quota */
if (vlan->vid != 0) {
if (vlan->configured)
edev->configured_vlans--;
else
edev->non_configured_vlans--;
}
list_del(&vlan->list);
kfree(vlan);
}
int qede_configure_vlan_filters(struct qede_dev *edev)
{
int rc = 0, real_rc = 0, accept_any_vlan = 0;
struct qed_dev_eth_info *dev_info;
struct qede_vlan *vlan = NULL;
if (list_empty(&edev->vlan_list))
return 0;
dev_info = &edev->dev_info;
/* Configure non-configured vlans */
list_for_each_entry(vlan, &edev->vlan_list, list) {
if (vlan->configured)
continue;
/* We have used all our credits, now enable accept_any_vlan */
if ((vlan->vid != 0) &&
(edev->configured_vlans == dev_info->num_vlan_filters)) {
accept_any_vlan = 1;
continue;
}
DP_VERBOSE(edev, NETIF_MSG_IFUP, "Adding vlan %d\n", vlan->vid);
rc = qede_set_ucast_rx_vlan(edev, QED_FILTER_XCAST_TYPE_ADD,
vlan->vid);
if (rc) {
DP_ERR(edev, "Failed to configure VLAN %u\n",
vlan->vid);
real_rc = rc;
continue;
}
vlan->configured = true;
/* vlan0 filter doesn't consume our VLAN filter's quota */
if (vlan->vid != 0) {
edev->non_configured_vlans--;
edev->configured_vlans++;
}
}
/* enable accept_any_vlan mode if we have more VLANs than credits,
* or remove accept_any_vlan mode if we've actually removed
* a non-configured vlan, and all remaining vlans are truly configured.
*/
if (accept_any_vlan)
qede_config_accept_any_vlan(edev, true);
else if (!edev->non_configured_vlans)
qede_config_accept_any_vlan(edev, false);
return real_rc;
}
int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_vlan *vlan = NULL;
int rc = 0;
DP_VERBOSE(edev, NETIF_MSG_IFDOWN, "Removing vlan 0x%04x\n", vid);
/* Find whether entry exists */
__qede_lock(edev);
list_for_each_entry(vlan, &edev->vlan_list, list)
if (vlan->vid == vid)
break;
if (!vlan || (vlan->vid != vid)) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Vlan isn't configured\n");
goto out;
}
if (edev->state != QEDE_STATE_OPEN) {
/* As interface is already down, we don't have a VPORT
* instance to remove vlan filter. So just update vlan list
*/
DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
"Interface is down, removing VLAN from list only\n");
qede_del_vlan_from_list(edev, vlan);
goto out;
}
/* Remove vlan */
if (vlan->configured) {
rc = qede_set_ucast_rx_vlan(edev, QED_FILTER_XCAST_TYPE_DEL,
vid);
if (rc) {
DP_ERR(edev, "Failed to remove VLAN %d\n", vid);
goto out;
}
}
qede_del_vlan_from_list(edev, vlan);
/* We have removed a VLAN - try to see if we can
* configure non-configured VLAN from the list.
*/
rc = qede_configure_vlan_filters(edev);
out:
__qede_unlock(edev);
return rc;
}
void qede_vlan_mark_nonconfigured(struct qede_dev *edev)
{
struct qede_vlan *vlan = NULL;
if (list_empty(&edev->vlan_list))
return;
list_for_each_entry(vlan, &edev->vlan_list, list) {
if (!vlan->configured)
continue;
vlan->configured = false;
/* vlan0 filter isn't consuming out of our quota */
if (vlan->vid != 0) {
edev->non_configured_vlans++;
edev->configured_vlans--;
}
DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
"marked vlan %d as non-configured\n", vlan->vid);
}
edev->accept_any_vlan = false;
}
static void qede_set_features_reload(struct qede_dev *edev,
struct qede_reload_args *args)
{
edev->ndev->features = args->u.features;
}
int qede_set_features(struct net_device *dev, netdev_features_t features)
{
struct qede_dev *edev = netdev_priv(dev);
netdev_features_t changes = features ^ dev->features;
bool need_reload = false;
/* No action needed if hardware GRO is disabled during driver load */
if (changes & NETIF_F_GRO) {
if (dev->features & NETIF_F_GRO)
need_reload = !edev->gro_disable;
else
need_reload = edev->gro_disable;
}
if (need_reload) {
struct qede_reload_args args;
args.u.features = features;
args.func = &qede_set_features_reload;
/* Make sure that we definitely need to reload.
* In case of an eBPF attached program, there will be no FW
* aggregations, so no need to actually reload.
*/
__qede_lock(edev);
if (edev->xdp_prog)
args.func(edev, &args);
else
qede_reload(edev, &args, true);
__qede_unlock(edev);
return 1;
}
return 0;
}
void qede_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti)
{
struct qede_dev *edev = netdev_priv(dev);
u16 t_port = ntohs(ti->port);
switch (ti->type) {
case UDP_TUNNEL_TYPE_VXLAN:
if (edev->vxlan_dst_port)
return;
edev->vxlan_dst_port = t_port;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Added vxlan port=%d\n",
t_port);
set_bit(QEDE_SP_VXLAN_PORT_CONFIG, &edev->sp_flags);
break;
case UDP_TUNNEL_TYPE_GENEVE:
if (edev->geneve_dst_port)
return;
edev->geneve_dst_port = t_port;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Added geneve port=%d\n",
t_port);
set_bit(QEDE_SP_GENEVE_PORT_CONFIG, &edev->sp_flags);
break;
default:
return;
}
schedule_delayed_work(&edev->sp_task, 0);
}
void qede_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti)
{
struct qede_dev *edev = netdev_priv(dev);
u16 t_port = ntohs(ti->port);
switch (ti->type) {
case UDP_TUNNEL_TYPE_VXLAN:
if (t_port != edev->vxlan_dst_port)
return;
edev->vxlan_dst_port = 0;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Deleted vxlan port=%d\n",
t_port);
set_bit(QEDE_SP_VXLAN_PORT_CONFIG, &edev->sp_flags);
break;
case UDP_TUNNEL_TYPE_GENEVE:
if (t_port != edev->geneve_dst_port)
return;
edev->geneve_dst_port = 0;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Deleted geneve port=%d\n",
t_port);
set_bit(QEDE_SP_GENEVE_PORT_CONFIG, &edev->sp_flags);
break;
default:
return;
}
schedule_delayed_work(&edev->sp_task, 0);
}
static void qede_xdp_reload_func(struct qede_dev *edev,
struct qede_reload_args *args)
{
struct bpf_prog *old;
old = xchg(&edev->xdp_prog, args->u.new_prog);
if (old)
bpf_prog_put(old);
}
static int qede_xdp_set(struct qede_dev *edev, struct bpf_prog *prog)
{
struct qede_reload_args args;
if (prog && prog->xdp_adjust_head) {
DP_ERR(edev, "Does not support bpf_xdp_adjust_head()\n");
return -EOPNOTSUPP;
}
/* If we're called, there was already a bpf reference increment */
args.func = &qede_xdp_reload_func;
args.u.new_prog = prog;
qede_reload(edev, &args, false);
return 0;
}
int qede_xdp(struct net_device *dev, struct netdev_xdp *xdp)
{
struct qede_dev *edev = netdev_priv(dev);
switch (xdp->command) {
case XDP_SETUP_PROG:
return qede_xdp_set(edev, xdp->prog);
case XDP_QUERY_PROG:
xdp->prog_attached = !!edev->xdp_prog;
return 0;
default:
return -EINVAL;
}
}
static int qede_set_mcast_rx_mac(struct qede_dev *edev,
enum qed_filter_xcast_params_type opcode,
unsigned char *mac, int num_macs)
{
struct qed_filter_params filter_cmd;
int i;
memset(&filter_cmd, 0, sizeof(filter_cmd));
filter_cmd.type = QED_FILTER_TYPE_MCAST;
filter_cmd.filter.mcast.type = opcode;
filter_cmd.filter.mcast.num = num_macs;
for (i = 0; i < num_macs; i++, mac += ETH_ALEN)
ether_addr_copy(filter_cmd.filter.mcast.mac[i], mac);
return edev->ops->filter_config(edev->cdev, &filter_cmd);
}
int qede_set_mac_addr(struct net_device *ndev, void *p)
{
struct qede_dev *edev = netdev_priv(ndev);
struct sockaddr *addr = p;
int rc;
ASSERT_RTNL(); /* @@@TBD To be removed */
DP_INFO(edev, "Set_mac_addr called\n");
if (!is_valid_ether_addr(addr->sa_data)) {
DP_NOTICE(edev, "The MAC address is not valid\n");
return -EFAULT;
}
if (!edev->ops->check_mac(edev->cdev, addr->sa_data)) {
DP_NOTICE(edev, "qed prevents setting MAC\n");
return -EINVAL;
}
ether_addr_copy(ndev->dev_addr, addr->sa_data);
if (!netif_running(ndev)) {
DP_NOTICE(edev, "The device is currently down\n");
return 0;
}
/* Remove the previous primary mac */
rc = qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_DEL,
edev->primary_mac);
if (rc)
return rc;
edev->ops->common->update_mac(edev->cdev, addr->sa_data);
/* Add MAC filter according to the new unicast HW MAC address */
ether_addr_copy(edev->primary_mac, ndev->dev_addr);
return qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_ADD,
edev->primary_mac);
}
static int
qede_configure_mcast_filtering(struct net_device *ndev,
enum qed_filter_rx_mode_type *accept_flags)
{
struct qede_dev *edev = netdev_priv(ndev);
unsigned char *mc_macs, *temp;
struct netdev_hw_addr *ha;
int rc = 0, mc_count;
size_t size;
size = 64 * ETH_ALEN;
mc_macs = kzalloc(size, GFP_KERNEL);
if (!mc_macs) {
DP_NOTICE(edev,
"Failed to allocate memory for multicast MACs\n");
rc = -ENOMEM;
goto exit;
}
temp = mc_macs;
/* Remove all previously configured MAC filters */
rc = qede_set_mcast_rx_mac(edev, QED_FILTER_XCAST_TYPE_DEL,
mc_macs, 1);
if (rc)
goto exit;
netif_addr_lock_bh(ndev);
mc_count = netdev_mc_count(ndev);
if (mc_count < 64) {
netdev_for_each_mc_addr(ha, ndev) {
ether_addr_copy(temp, ha->addr);
temp += ETH_ALEN;
}
}
netif_addr_unlock_bh(ndev);
/* Check for all multicast @@@TBD resource allocation */
if ((ndev->flags & IFF_ALLMULTI) || (mc_count > 64)) {
if (*accept_flags == QED_FILTER_RX_MODE_TYPE_REGULAR)
*accept_flags = QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC;
} else {
/* Add all multicast MAC filters */
rc = qede_set_mcast_rx_mac(edev, QED_FILTER_XCAST_TYPE_ADD,
mc_macs, mc_count);
}
exit:
kfree(mc_macs);
return rc;
}
void qede_set_rx_mode(struct net_device *ndev)
{
struct qede_dev *edev = netdev_priv(ndev);
set_bit(QEDE_SP_RX_MODE, &edev->sp_flags);
schedule_delayed_work(&edev->sp_task, 0);
}
/* Must be called with qede_lock held */
void qede_config_rx_mode(struct net_device *ndev)
{
enum qed_filter_rx_mode_type accept_flags;
struct qede_dev *edev = netdev_priv(ndev);
struct qed_filter_params rx_mode;
unsigned char *uc_macs, *temp;
struct netdev_hw_addr *ha;
int rc, uc_count;
size_t size;
netif_addr_lock_bh(ndev);
uc_count = netdev_uc_count(ndev);
size = uc_count * ETH_ALEN;
uc_macs = kzalloc(size, GFP_ATOMIC);
if (!uc_macs) {
DP_NOTICE(edev, "Failed to allocate memory for unicast MACs\n");
netif_addr_unlock_bh(ndev);
return;
}
temp = uc_macs;
netdev_for_each_uc_addr(ha, ndev) {
ether_addr_copy(temp, ha->addr);
temp += ETH_ALEN;
}
netif_addr_unlock_bh(ndev);
/* Configure the struct for the Rx mode */
memset(&rx_mode, 0, sizeof(struct qed_filter_params));
rx_mode.type = QED_FILTER_TYPE_RX_MODE;
/* Remove all previous unicast secondary macs and multicast macs
* (configrue / leave the primary mac)
*/
rc = qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_REPLACE,
edev->primary_mac);
if (rc)
goto out;
/* Check for promiscuous */
if ((ndev->flags & IFF_PROMISC) ||
(uc_count > edev->dev_info.num_mac_filters - 1)) {
accept_flags = QED_FILTER_RX_MODE_TYPE_PROMISC;
} else {
/* Add MAC filters according to the unicast secondary macs */
int i;
temp = uc_macs;
for (i = 0; i < uc_count; i++) {
rc = qede_set_ucast_rx_mac(edev,
QED_FILTER_XCAST_TYPE_ADD,
temp);
if (rc)
goto out;
temp += ETH_ALEN;
}
rc = qede_configure_mcast_filtering(ndev, &accept_flags);
if (rc)
goto out;
}
/* take care of VLAN mode */
if (ndev->flags & IFF_PROMISC) {
qede_config_accept_any_vlan(edev, true);
} else if (!edev->non_configured_vlans) {
/* It's possible that accept_any_vlan mode is set due to a
* previous setting of IFF_PROMISC. If vlan credits are
* sufficient, disable accept_any_vlan.
*/
qede_config_accept_any_vlan(edev, false);
}
rx_mode.filter.accept_flags = accept_flags;
edev->ops->filter_config(edev->cdev, &rx_mode);
out:
kfree(uc_macs);
}
......@@ -210,18 +210,6 @@ static struct pci_driver qede_pci_driver = {
#endif
};
static void qede_force_mac(void *dev, u8 *mac, bool forced)
{
struct qede_dev *edev = dev;
/* MAC hints take effect only if we haven't set one already */
if (is_valid_ether_addr(edev->ndev->dev_addr) && !forced)
return;
ether_addr_copy(edev->ndev->dev_addr, mac);
ether_addr_copy(edev->primary_mac, mac);
}
static struct qed_eth_cb_ops qede_ll_ops = {
{
.link_update = qede_link_update,
......@@ -319,39 +307,6 @@ module_exit(qede_cleanup);
static int qede_open(struct net_device *ndev);
static int qede_close(struct net_device *ndev);
static int qede_set_mac_addr(struct net_device *ndev, void *p);
static void qede_set_rx_mode(struct net_device *ndev);
static void qede_config_rx_mode(struct net_device *ndev);
static int qede_set_ucast_rx_mac(struct qede_dev *edev,
enum qed_filter_xcast_params_type opcode,
unsigned char mac[ETH_ALEN])
{
struct qed_filter_params filter_cmd;
memset(&filter_cmd, 0, sizeof(filter_cmd));
filter_cmd.type = QED_FILTER_TYPE_UCAST;
filter_cmd.filter.ucast.type = opcode;
filter_cmd.filter.ucast.mac_valid = 1;
ether_addr_copy(filter_cmd.filter.ucast.mac, mac);
return edev->ops->filter_config(edev->cdev, &filter_cmd);
}
static int qede_set_ucast_rx_vlan(struct qede_dev *edev,
enum qed_filter_xcast_params_type opcode,
u16 vid)
{
struct qed_filter_params filter_cmd;
memset(&filter_cmd, 0, sizeof(filter_cmd));
filter_cmd.type = QED_FILTER_TYPE_UCAST;
filter_cmd.filter.ucast.type = opcode;
filter_cmd.filter.ucast.vlan_valid = 1;
filter_cmd.filter.ucast.vlan = vid;
return edev->ops->filter_config(edev->cdev, &filter_cmd);
}
void qede_fill_by_demand_stats(struct qede_dev *edev)
{
......@@ -519,409 +474,6 @@ static int qede_set_vf_link_state(struct net_device *dev, int vfidx,
}
#endif
static void qede_config_accept_any_vlan(struct qede_dev *edev, bool action)
{
struct qed_update_vport_params params;
int rc;
/* Proceed only if action actually needs to be performed */
if (edev->accept_any_vlan == action)
return;
memset(&params, 0, sizeof(params));
params.vport_id = 0;
params.accept_any_vlan = action;
params.update_accept_any_vlan_flg = 1;
rc = edev->ops->vport_update(edev->cdev, &params);
if (rc) {
DP_ERR(edev, "Failed to %s accept-any-vlan\n",
action ? "enable" : "disable");
} else {
DP_INFO(edev, "%s accept-any-vlan\n",
action ? "enabled" : "disabled");
edev->accept_any_vlan = action;
}
}
static int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_vlan *vlan, *tmp;
int rc = 0;
DP_VERBOSE(edev, NETIF_MSG_IFUP, "Adding vlan 0x%04x\n", vid);
vlan = kzalloc(sizeof(*vlan), GFP_KERNEL);
if (!vlan) {
DP_INFO(edev, "Failed to allocate struct for vlan\n");
return -ENOMEM;
}
INIT_LIST_HEAD(&vlan->list);
vlan->vid = vid;
vlan->configured = false;
/* Verify vlan isn't already configured */
list_for_each_entry(tmp, &edev->vlan_list, list) {
if (tmp->vid == vlan->vid) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"vlan already configured\n");
kfree(vlan);
return -EEXIST;
}
}
/* If interface is down, cache this VLAN ID and return */
__qede_lock(edev);
if (edev->state != QEDE_STATE_OPEN) {
DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
"Interface is down, VLAN %d will be configured when interface is up\n",
vid);
if (vid != 0)
edev->non_configured_vlans++;
list_add(&vlan->list, &edev->vlan_list);
goto out;
}
/* Check for the filter limit.
* Note - vlan0 has a reserved filter and can be added without
* worrying about quota
*/
if ((edev->configured_vlans < edev->dev_info.num_vlan_filters) ||
(vlan->vid == 0)) {
rc = qede_set_ucast_rx_vlan(edev,
QED_FILTER_XCAST_TYPE_ADD,
vlan->vid);
if (rc) {
DP_ERR(edev, "Failed to configure VLAN %d\n",
vlan->vid);
kfree(vlan);
goto out;
}
vlan->configured = true;
/* vlan0 filter isn't consuming out of our quota */
if (vlan->vid != 0)
edev->configured_vlans++;
} else {
/* Out of quota; Activate accept-any-VLAN mode */
if (!edev->non_configured_vlans)
qede_config_accept_any_vlan(edev, true);
edev->non_configured_vlans++;
}
list_add(&vlan->list, &edev->vlan_list);
out:
__qede_unlock(edev);
return rc;
}
static void qede_del_vlan_from_list(struct qede_dev *edev,
struct qede_vlan *vlan)
{
/* vlan0 filter isn't consuming out of our quota */
if (vlan->vid != 0) {
if (vlan->configured)
edev->configured_vlans--;
else
edev->non_configured_vlans--;
}
list_del(&vlan->list);
kfree(vlan);
}
static int qede_configure_vlan_filters(struct qede_dev *edev)
{
int rc = 0, real_rc = 0, accept_any_vlan = 0;
struct qed_dev_eth_info *dev_info;
struct qede_vlan *vlan = NULL;
if (list_empty(&edev->vlan_list))
return 0;
dev_info = &edev->dev_info;
/* Configure non-configured vlans */
list_for_each_entry(vlan, &edev->vlan_list, list) {
if (vlan->configured)
continue;
/* We have used all our credits, now enable accept_any_vlan */
if ((vlan->vid != 0) &&
(edev->configured_vlans == dev_info->num_vlan_filters)) {
accept_any_vlan = 1;
continue;
}
DP_VERBOSE(edev, NETIF_MSG_IFUP, "Adding vlan %d\n", vlan->vid);
rc = qede_set_ucast_rx_vlan(edev, QED_FILTER_XCAST_TYPE_ADD,
vlan->vid);
if (rc) {
DP_ERR(edev, "Failed to configure VLAN %u\n",
vlan->vid);
real_rc = rc;
continue;
}
vlan->configured = true;
/* vlan0 filter doesn't consume our VLAN filter's quota */
if (vlan->vid != 0) {
edev->non_configured_vlans--;
edev->configured_vlans++;
}
}
/* enable accept_any_vlan mode if we have more VLANs than credits,
* or remove accept_any_vlan mode if we've actually removed
* a non-configured vlan, and all remaining vlans are truly configured.
*/
if (accept_any_vlan)
qede_config_accept_any_vlan(edev, true);
else if (!edev->non_configured_vlans)
qede_config_accept_any_vlan(edev, false);
return real_rc;
}
static int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
{
struct qede_dev *edev = netdev_priv(dev);
struct qede_vlan *vlan = NULL;
int rc = 0;
DP_VERBOSE(edev, NETIF_MSG_IFDOWN, "Removing vlan 0x%04x\n", vid);
/* Find whether entry exists */
__qede_lock(edev);
list_for_each_entry(vlan, &edev->vlan_list, list)
if (vlan->vid == vid)
break;
if (!vlan || (vlan->vid != vid)) {
DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
"Vlan isn't configured\n");
goto out;
}
if (edev->state != QEDE_STATE_OPEN) {
/* As interface is already down, we don't have a VPORT
* instance to remove vlan filter. So just update vlan list
*/
DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
"Interface is down, removing VLAN from list only\n");
qede_del_vlan_from_list(edev, vlan);
goto out;
}
/* Remove vlan */
if (vlan->configured) {
rc = qede_set_ucast_rx_vlan(edev, QED_FILTER_XCAST_TYPE_DEL,
vid);
if (rc) {
DP_ERR(edev, "Failed to remove VLAN %d\n", vid);
goto out;
}
}
qede_del_vlan_from_list(edev, vlan);
/* We have removed a VLAN - try to see if we can
* configure non-configured VLAN from the list.
*/
rc = qede_configure_vlan_filters(edev);
out:
__qede_unlock(edev);
return rc;
}
static void qede_vlan_mark_nonconfigured(struct qede_dev *edev)
{
struct qede_vlan *vlan = NULL;
if (list_empty(&edev->vlan_list))
return;
list_for_each_entry(vlan, &edev->vlan_list, list) {
if (!vlan->configured)
continue;
vlan->configured = false;
/* vlan0 filter isn't consuming out of our quota */
if (vlan->vid != 0) {
edev->non_configured_vlans++;
edev->configured_vlans--;
}
DP_VERBOSE(edev, NETIF_MSG_IFDOWN,
"marked vlan %d as non-configured\n", vlan->vid);
}
edev->accept_any_vlan = false;
}
static void qede_set_features_reload(struct qede_dev *edev,
struct qede_reload_args *args)
{
edev->ndev->features = args->u.features;
}
int qede_set_features(struct net_device *dev, netdev_features_t features)
{
struct qede_dev *edev = netdev_priv(dev);
netdev_features_t changes = features ^ dev->features;
bool need_reload = false;
/* No action needed if hardware GRO is disabled during driver load */
if (changes & NETIF_F_GRO) {
if (dev->features & NETIF_F_GRO)
need_reload = !edev->gro_disable;
else
need_reload = edev->gro_disable;
}
if (need_reload) {
struct qede_reload_args args;
args.u.features = features;
args.func = &qede_set_features_reload;
/* Make sure that we definitely need to reload.
* In case of an eBPF attached program, there will be no FW
* aggregations, so no need to actually reload.
*/
__qede_lock(edev);
if (edev->xdp_prog)
args.func(edev, &args);
else
qede_reload(edev, &args, true);
__qede_unlock(edev);
return 1;
}
return 0;
}
static void qede_udp_tunnel_add(struct net_device *dev,
struct udp_tunnel_info *ti)
{
struct qede_dev *edev = netdev_priv(dev);
u16 t_port = ntohs(ti->port);
switch (ti->type) {
case UDP_TUNNEL_TYPE_VXLAN:
if (edev->vxlan_dst_port)
return;
edev->vxlan_dst_port = t_port;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Added vxlan port=%d\n",
t_port);
set_bit(QEDE_SP_VXLAN_PORT_CONFIG, &edev->sp_flags);
break;
case UDP_TUNNEL_TYPE_GENEVE:
if (edev->geneve_dst_port)
return;
edev->geneve_dst_port = t_port;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Added geneve port=%d\n",
t_port);
set_bit(QEDE_SP_GENEVE_PORT_CONFIG, &edev->sp_flags);
break;
default:
return;
}
schedule_delayed_work(&edev->sp_task, 0);
}
static void qede_udp_tunnel_del(struct net_device *dev,
struct udp_tunnel_info *ti)
{
struct qede_dev *edev = netdev_priv(dev);
u16 t_port = ntohs(ti->port);
switch (ti->type) {
case UDP_TUNNEL_TYPE_VXLAN:
if (t_port != edev->vxlan_dst_port)
return;
edev->vxlan_dst_port = 0;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Deleted vxlan port=%d\n",
t_port);
set_bit(QEDE_SP_VXLAN_PORT_CONFIG, &edev->sp_flags);
break;
case UDP_TUNNEL_TYPE_GENEVE:
if (t_port != edev->geneve_dst_port)
return;
edev->geneve_dst_port = 0;
DP_VERBOSE(edev, QED_MSG_DEBUG, "Deleted geneve port=%d\n",
t_port);
set_bit(QEDE_SP_GENEVE_PORT_CONFIG, &edev->sp_flags);
break;
default:
return;
}
schedule_delayed_work(&edev->sp_task, 0);
}
static void qede_xdp_reload_func(struct qede_dev *edev,
struct qede_reload_args *args)
{
struct bpf_prog *old;
old = xchg(&edev->xdp_prog, args->u.new_prog);
if (old)
bpf_prog_put(old);
}
static int qede_xdp_set(struct qede_dev *edev, struct bpf_prog *prog)
{
struct qede_reload_args args;
if (prog && prog->xdp_adjust_head) {
DP_ERR(edev, "Does not support bpf_xdp_adjust_head()\n");
return -EOPNOTSUPP;
}
/* If we're called, there was already a bpf reference increment */
args.func = &qede_xdp_reload_func;
args.u.new_prog = prog;
qede_reload(edev, &args, false);
return 0;
}
static int qede_xdp(struct net_device *dev, struct netdev_xdp *xdp)
{
struct qede_dev *edev = netdev_priv(dev);
switch (xdp->command) {
case XDP_SETUP_PROG:
return qede_xdp_set(edev, xdp->prog);
case XDP_QUERY_PROG:
xdp->prog_attached = !!edev->xdp_prog;
return 0;
default:
return -EINVAL;
}
}
static const struct net_device_ops qede_netdev_ops = {
.ndo_open = qede_open,
.ndo_stop = qede_close,
......@@ -2237,23 +1789,6 @@ static int qede_start_queues(struct qede_dev *edev, bool clear_stats)
return 0;
}
static int qede_set_mcast_rx_mac(struct qede_dev *edev,
enum qed_filter_xcast_params_type opcode,
unsigned char *mac, int num_macs)
{
struct qed_filter_params filter_cmd;
int i;
memset(&filter_cmd, 0, sizeof(filter_cmd));
filter_cmd.type = QED_FILTER_TYPE_MCAST;
filter_cmd.filter.mcast.type = opcode;
filter_cmd.filter.mcast.num = num_macs;
for (i = 0; i < num_macs; i++, mac += ETH_ALEN)
ether_addr_copy(filter_cmd.filter.mcast.mac[i], mac);
return edev->ops->filter_config(edev->cdev, &filter_cmd);
}
enum qede_unload_mode {
QEDE_UNLOAD_NORMAL,
......@@ -2484,192 +2019,3 @@ static void qede_link_update(void *dev, struct qed_link_output *link)
}
}
}
static int qede_set_mac_addr(struct net_device *ndev, void *p)
{
struct qede_dev *edev = netdev_priv(ndev);
struct sockaddr *addr = p;
int rc;
ASSERT_RTNL(); /* @@@TBD To be removed */
DP_INFO(edev, "Set_mac_addr called\n");
if (!is_valid_ether_addr(addr->sa_data)) {
DP_NOTICE(edev, "The MAC address is not valid\n");
return -EFAULT;
}
if (!edev->ops->check_mac(edev->cdev, addr->sa_data)) {
DP_NOTICE(edev, "qed prevents setting MAC\n");
return -EINVAL;
}
ether_addr_copy(ndev->dev_addr, addr->sa_data);
if (!netif_running(ndev)) {
DP_NOTICE(edev, "The device is currently down\n");
return 0;
}
/* Remove the previous primary mac */
rc = qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_DEL,
edev->primary_mac);
if (rc)
return rc;
edev->ops->common->update_mac(edev->cdev, addr->sa_data);
/* Add MAC filter according to the new unicast HW MAC address */
ether_addr_copy(edev->primary_mac, ndev->dev_addr);
return qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_ADD,
edev->primary_mac);
}
static int
qede_configure_mcast_filtering(struct net_device *ndev,
enum qed_filter_rx_mode_type *accept_flags)
{
struct qede_dev *edev = netdev_priv(ndev);
unsigned char *mc_macs, *temp;
struct netdev_hw_addr *ha;
int rc = 0, mc_count;
size_t size;
size = 64 * ETH_ALEN;
mc_macs = kzalloc(size, GFP_KERNEL);
if (!mc_macs) {
DP_NOTICE(edev,
"Failed to allocate memory for multicast MACs\n");
rc = -ENOMEM;
goto exit;
}
temp = mc_macs;
/* Remove all previously configured MAC filters */
rc = qede_set_mcast_rx_mac(edev, QED_FILTER_XCAST_TYPE_DEL,
mc_macs, 1);
if (rc)
goto exit;
netif_addr_lock_bh(ndev);
mc_count = netdev_mc_count(ndev);
if (mc_count < 64) {
netdev_for_each_mc_addr(ha, ndev) {
ether_addr_copy(temp, ha->addr);
temp += ETH_ALEN;
}
}
netif_addr_unlock_bh(ndev);
/* Check for all multicast @@@TBD resource allocation */
if ((ndev->flags & IFF_ALLMULTI) ||
(mc_count > 64)) {
if (*accept_flags == QED_FILTER_RX_MODE_TYPE_REGULAR)
*accept_flags = QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC;
} else {
/* Add all multicast MAC filters */
rc = qede_set_mcast_rx_mac(edev, QED_FILTER_XCAST_TYPE_ADD,
mc_macs, mc_count);
}
exit:
kfree(mc_macs);
return rc;
}
static void qede_set_rx_mode(struct net_device *ndev)
{
struct qede_dev *edev = netdev_priv(ndev);
set_bit(QEDE_SP_RX_MODE, &edev->sp_flags);
schedule_delayed_work(&edev->sp_task, 0);
}
/* Must be called with qede_lock held */
static void qede_config_rx_mode(struct net_device *ndev)
{
enum qed_filter_rx_mode_type accept_flags = QED_FILTER_TYPE_UCAST;
struct qede_dev *edev = netdev_priv(ndev);
struct qed_filter_params rx_mode;
unsigned char *uc_macs, *temp;
struct netdev_hw_addr *ha;
int rc, uc_count;
size_t size;
netif_addr_lock_bh(ndev);
uc_count = netdev_uc_count(ndev);
size = uc_count * ETH_ALEN;
uc_macs = kzalloc(size, GFP_ATOMIC);
if (!uc_macs) {
DP_NOTICE(edev, "Failed to allocate memory for unicast MACs\n");
netif_addr_unlock_bh(ndev);
return;
}
temp = uc_macs;
netdev_for_each_uc_addr(ha, ndev) {
ether_addr_copy(temp, ha->addr);
temp += ETH_ALEN;
}
netif_addr_unlock_bh(ndev);
/* Configure the struct for the Rx mode */
memset(&rx_mode, 0, sizeof(struct qed_filter_params));
rx_mode.type = QED_FILTER_TYPE_RX_MODE;
/* Remove all previous unicast secondary macs and multicast macs
* (configrue / leave the primary mac)
*/
rc = qede_set_ucast_rx_mac(edev, QED_FILTER_XCAST_TYPE_REPLACE,
edev->primary_mac);
if (rc)
goto out;
/* Check for promiscuous */
if ((ndev->flags & IFF_PROMISC) ||
(uc_count > edev->dev_info.num_mac_filters - 1)) {
accept_flags = QED_FILTER_RX_MODE_TYPE_PROMISC;
} else {
/* Add MAC filters according to the unicast secondary macs */
int i;
temp = uc_macs;
for (i = 0; i < uc_count; i++) {
rc = qede_set_ucast_rx_mac(edev,
QED_FILTER_XCAST_TYPE_ADD,
temp);
if (rc)
goto out;
temp += ETH_ALEN;
}
rc = qede_configure_mcast_filtering(ndev, &accept_flags);
if (rc)
goto out;
}
/* take care of VLAN mode */
if (ndev->flags & IFF_PROMISC) {
qede_config_accept_any_vlan(edev, true);
} else if (!edev->non_configured_vlans) {
/* It's possible that accept_any_vlan mode is set due to a
* previous setting of IFF_PROMISC. If vlan credits are
* sufficient, disable accept_any_vlan.
*/
qede_config_accept_any_vlan(edev, false);
}
rx_mode.filter.accept_flags = accept_flags;
edev->ops->filter_config(edev->cdev, &rx_mode);
out:
kfree(uc_macs);
}
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment