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-rw-r--r--drivers/net/dsa/b53/b53_common.c2
-rw-r--r--drivers/net/dsa/b53/b53_priv.h24
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_ethtool.c14
-rw-r--r--drivers/net/ethernet/cavium/liquidio/octeon_nic.c4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h8
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c3
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c59
-rw-r--r--include/net/ip_fib.h1
-rw-r--r--net/dsa/dsa.c5
-rw-r--r--net/dsa/dsa_priv.h1
-rw-r--r--net/dsa/slave.c1
-rw-r--r--net/ipv4/fib_semantics.c2
-rw-r--r--net/ipv4/route.c20
-rw-r--r--net/ipv6/addrconf.c7
14 files changed, 99 insertions, 52 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 947adda3397d..d5370c227043 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1137,7 +1137,7 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
int ret;
/* Convert the array into a 64-bit MAC */
- mac = b53_mac_to_u64(addr);
+ mac = ether_addr_to_u64(addr);
/* Perform a read for the given MAC and VID */
b53_write48(dev, B53_ARLIO_PAGE, B53_MAC_ADDR_IDX, mac);
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h
index f192a673caba..1f4b07b77de2 100644
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -22,6 +22,7 @@
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/phy.h>
+#include <linux/etherdevice.h>
#include <net/dsa.h>
#include "b53_regs.h"
@@ -325,25 +326,6 @@ struct b53_arl_entry {
u8 is_static:1;
};
-static inline void b53_mac_from_u64(u64 src, u8 *dst)
-{
- unsigned int i;
-
- for (i = 0; i < ETH_ALEN; i++)
- dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff;
-}
-
-static inline u64 b53_mac_to_u64(const u8 *src)
-{
- unsigned int i;
- u64 dst = 0;
-
- for (i = 0; i < ETH_ALEN; i++)
- dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i);
-
- return dst;
-}
-
static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
u64 mac_vid, u32 fwd_entry)
{
@@ -352,14 +334,14 @@ static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
ent->is_age = !!(fwd_entry & ARLTBL_AGE);
ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
- b53_mac_from_u64(mac_vid, ent->mac);
+ u64_to_ether_addr(mac_vid, ent->mac);
ent->vid = mac_vid >> ARLTBL_VID_S;
}
static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
const struct b53_arl_entry *ent)
{
- *mac_vid = b53_mac_to_u64(ent->mac);
+ *mac_vid = ether_addr_to_u64(ent->mac);
*mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
*fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
if (ent->is_valid)
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index b00c3002360e..50384cede8be 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -296,12 +296,16 @@ lio_ethtool_get_channels(struct net_device *dev,
rx_count = CFG_GET_NUM_RXQS_NIC_IF(conf6x, lio->ifidx);
tx_count = CFG_GET_NUM_TXQS_NIC_IF(conf6x, lio->ifidx);
} else if (OCTEON_CN23XX_PF(oct)) {
- struct octeon_config *conf23 = CHIP_CONF(oct, cn23xx_pf);
- max_rx = CFG_GET_OQ_MAX_Q(conf23);
- max_tx = CFG_GET_IQ_MAX_Q(conf23);
- rx_count = CFG_GET_NUM_RXQS_NIC_IF(conf23, lio->ifidx);
- tx_count = CFG_GET_NUM_TXQS_NIC_IF(conf23, lio->ifidx);
+ max_rx = oct->sriov_info.num_pf_rings;
+ max_tx = oct->sriov_info.num_pf_rings;
+ rx_count = lio->linfo.num_rxpciq;
+ tx_count = lio->linfo.num_txpciq;
+ } else if (OCTEON_CN23XX_VF(oct)) {
+ max_tx = oct->sriov_info.rings_per_vf;
+ max_rx = oct->sriov_info.rings_per_vf;
+ rx_count = lio->linfo.num_rxpciq;
+ tx_count = lio->linfo.num_txpciq;
}
channel->max_rx = max_rx;
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_nic.c b/drivers/net/ethernet/cavium/liquidio/octeon_nic.c
index c3d6a8228362..0243be8dd56f 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_nic.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_nic.c
@@ -49,7 +49,7 @@ octeon_alloc_soft_command_resp(struct octeon_device *oct,
/* Add in the response related fields. Opcode and Param are already
* there.
*/
- if (OCTEON_CN23XX_PF(oct)) {
+ if (OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) {
ih3 = (struct octeon_instr_ih3 *)&sc->cmd.cmd3.ih3;
rdp = (struct octeon_instr_rdp *)&sc->cmd.cmd3.rdp;
irh = (struct octeon_instr_irh *)&sc->cmd.cmd3.irh;
@@ -70,7 +70,7 @@ octeon_alloc_soft_command_resp(struct octeon_device *oct,
*sc->status_word = COMPLETION_WORD_INIT;
- if (OCTEON_CN23XX_PF(oct))
+ if (OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct))
sc->cmd.cmd3.rptr = sc->dmarptr;
else
sc->cmd.cmd2.rptr = sc->dmarptr;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 9a49c421f86c..ad0096e74813 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -787,6 +787,10 @@ struct vf_info {
bool pf_set_mac;
};
+struct mbox_list {
+ struct list_head list;
+};
+
struct adapter {
void __iomem *regs;
void __iomem *bar2;
@@ -849,6 +853,10 @@ struct adapter {
struct work_struct db_drop_task;
bool tid_release_task_busy;
+ /* lock for mailbox cmd list */
+ spinlock_t mbox_lock;
+ struct mbox_list mlist;
+
/* support for mailbox command/reply logging */
#define T4_OS_LOG_MBOX_CMDS 256
struct mbox_cmd_log *mbox_log;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 6f951877430b..9d2fe5140b88 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4707,6 +4707,9 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
spin_lock_init(&adapter->stats_lock);
spin_lock_init(&adapter->tid_release_lock);
spin_lock_init(&adapter->win0_lock);
+ spin_lock_init(&adapter->mbox_lock);
+
+ INIT_LIST_HEAD(&adapter->mlist.list);
INIT_WORK(&adapter->tid_release_task, process_tid_release_list);
INIT_WORK(&adapter->db_full_task, process_db_full);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index cd5f437448d3..3c2effe6eefc 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -284,6 +284,7 @@ int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1, 1, 3, 5, 10, 10, 20, 50, 100, 200
};
+ struct mbox_list entry;
u16 access = 0;
u16 execute = 0;
u32 v;
@@ -311,11 +312,61 @@ int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
timeout = -timeout;
}
+ /* Queue ourselves onto the mailbox access list. When our entry is at
+ * the front of the list, we have rights to access the mailbox. So we
+ * wait [for a while] till we're at the front [or bail out with an
+ * EBUSY] ...
+ */
+ spin_lock(&adap->mbox_lock);
+ list_add_tail(&entry.list, &adap->mlist.list);
+ spin_unlock(&adap->mbox_lock);
+
+ delay_idx = 0;
+ ms = delay[0];
+
+ for (i = 0; ; i += ms) {
+ /* If we've waited too long, return a busy indication. This
+ * really ought to be based on our initial position in the
+ * mailbox access list but this is a start. We very rearely
+ * contend on access to the mailbox ...
+ */
+ if (i > FW_CMD_MAX_TIMEOUT) {
+ spin_lock(&adap->mbox_lock);
+ list_del(&entry.list);
+ spin_unlock(&adap->mbox_lock);
+ ret = -EBUSY;
+ t4_record_mbox(adap, cmd, size, access, ret);
+ return ret;
+ }
+
+ /* If we're at the head, break out and start the mailbox
+ * protocol.
+ */
+ if (list_first_entry(&adap->mlist.list, struct mbox_list,
+ list) == &entry)
+ break;
+
+ /* Delay for a bit before checking again ... */
+ if (sleep_ok) {
+ ms = delay[delay_idx]; /* last element may repeat */
+ if (delay_idx < ARRAY_SIZE(delay) - 1)
+ delay_idx++;
+ msleep(ms);
+ } else {
+ mdelay(ms);
+ }
+ }
+
+ /* Loop trying to get ownership of the mailbox. Return an error
+ * if we can't gain ownership.
+ */
v = MBOWNER_G(t4_read_reg(adap, ctl_reg));
for (i = 0; v == MBOX_OWNER_NONE && i < 3; i++)
v = MBOWNER_G(t4_read_reg(adap, ctl_reg));
-
if (v != MBOX_OWNER_DRV) {
+ spin_lock(&adap->mbox_lock);
+ list_del(&entry.list);
+ spin_unlock(&adap->mbox_lock);
ret = (v == MBOX_OWNER_FW) ? -EBUSY : -ETIMEDOUT;
t4_record_mbox(adap, cmd, MBOX_LEN, access, ret);
return ret;
@@ -366,6 +417,9 @@ int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
execute = i + ms;
t4_record_mbox(adap, cmd_rpl,
MBOX_LEN, access, execute);
+ spin_lock(&adap->mbox_lock);
+ list_del(&entry.list);
+ spin_unlock(&adap->mbox_lock);
return -FW_CMD_RETVAL_G((int)res);
}
}
@@ -375,6 +429,9 @@ int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
dev_err(adap->pdev_dev, "command %#x in mailbox %d timed out\n",
*(const u8 *)cmd, mbox);
t4_report_fw_error(adap);
+ spin_lock(&adap->mbox_lock);
+ list_del(&entry.list);
+ spin_unlock(&adap->mbox_lock);
return ret;
}
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 5f376af377c7..57c2a863d0b2 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -344,7 +344,6 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb);
int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
u8 tos, int oif, struct net_device *dev,
struct in_device *idev, u32 *itag);
-void fib_select_default(const struct flowi4 *flp, struct fib_result *res);
#ifdef CONFIG_IP_ROUTE_CLASSID
static inline int fib_num_tclassid_users(struct net *net)
{
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 89e66b623d73..3f85be0aae34 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -27,8 +27,6 @@
#include <linux/gpio/consumer.h>
#include "dsa_priv.h"
-char dsa_driver_version[] = "0.1";
-
static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb,
struct net_device *dev)
{
@@ -926,9 +924,6 @@ static int dsa_probe(struct platform_device *pdev)
struct dsa_switch_tree *dst;
int ret;
- pr_notice_once("Distributed Switch Architecture driver version %s\n",
- dsa_driver_version);
-
if (pdev->dev.of_node) {
ret = dsa_of_probe(&pdev->dev);
if (ret)
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 6cfd7388834e..63ae1484abae 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -49,7 +49,6 @@ struct dsa_slave_priv {
};
/* dsa.c */
-extern char dsa_driver_version[];
int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev,
struct device_node *port_dn, int port);
void dsa_cpu_dsa_destroy(struct device_node *port_dn);
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index ffd91969b830..5cd5b8137c08 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -673,7 +673,6 @@ static void dsa_slave_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
strlcpy(drvinfo->driver, "dsa", sizeof(drvinfo->driver));
- strlcpy(drvinfo->version, dsa_driver_version, sizeof(drvinfo->version));
strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
strlcpy(drvinfo->bus_info, "platform", sizeof(drvinfo->bus_info));
}
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 7a5b4c7d9a87..05c911d21782 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1434,7 +1434,7 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force)
}
/* Must be invoked inside of an RCU protected region. */
-void fib_select_default(const struct flowi4 *flp, struct fib_result *res)
+static void fib_select_default(const struct flowi4 *flp, struct fib_result *res)
{
struct fib_info *fi = NULL, *last_resort = NULL;
struct hlist_head *fa_head = res->fa_head;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0fcac8e7a2b2..7b52ac20145b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2454,7 +2454,7 @@ EXPORT_SYMBOL_GPL(ip_route_output_flow);
static int rt_fill_info(struct net *net, __be32 dst, __be32 src, u32 table_id,
struct flowi4 *fl4, struct sk_buff *skb, u32 portid,
- u32 seq, int event, int nowait, unsigned int flags)
+ u32 seq, int event)
{
struct rtable *rt = skb_rtable(skb);
struct rtmsg *r;
@@ -2463,7 +2463,7 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src, u32 table_id,
u32 error;
u32 metrics[RTAX_MAX];
- nlh = nlmsg_put(skb, portid, seq, event, sizeof(*r), flags);
+ nlh = nlmsg_put(skb, portid, seq, event, sizeof(*r), 0);
if (!nlh)
return -EMSGSIZE;
@@ -2541,18 +2541,12 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src, u32 table_id,
IPV4_DEVCONF_ALL(net, MC_FORWARDING)) {
int err = ipmr_get_route(net, skb,
fl4->saddr, fl4->daddr,
- r, nowait, portid);
+ r, 0, portid);
if (err <= 0) {
- if (!nowait) {
- if (err == 0)
- return 0;
- goto nla_put_failure;
- } else {
- if (err == -EMSGSIZE)
- goto nla_put_failure;
- error = err;
- }
+ if (err == 0)
+ return 0;
+ goto nla_put_failure;
}
} else
#endif
@@ -2665,7 +2659,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh)
err = rt_fill_info(net, dst, src, table_id, &fl4, skb,
NETLINK_CB(in_skb).portid, nlh->nlmsg_seq,
- RTM_NEWROUTE, 0, 0);
+ RTM_NEWROUTE);
if (err < 0)
goto errout_free;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c1e124bc8e1e..ac9bd5620f81 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4888,6 +4888,13 @@ static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
struct net *net = dev_net(ifa->idev->dev);
int err = -ENOBUFS;
+ /* Don't send DELADDR notification for TENTATIVE address,
+ * since NEWADDR notification is sent only after removing
+ * TENTATIVE flag.
+ */
+ if (ifa->flags & IFA_F_TENTATIVE && event == RTM_DELADDR)
+ return;
+
skb = nlmsg_new(inet6_ifaddr_msgsize(), GFP_ATOMIC);
if (!skb)
goto errout;