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-rw-r--r--drivers/net/ethernet/netronome/nfp/crypto/ipsec.c24
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net.h25
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_common.c108
3 files changed, 87 insertions, 70 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c b/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c
index 6d9d1c89ae6a..063cd371033a 100644
--- a/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c
+++ b/drivers/net/ethernet/netronome/nfp/crypto/ipsec.c
@@ -129,25 +129,21 @@ struct nfp_ipsec_cfg_mssg {
};
};
-static int nfp_ipsec_cfg_cmd_issue(struct nfp_net *nn, int type, int saidx,
- struct nfp_ipsec_cfg_mssg *msg)
+static int nfp_net_ipsec_cfg(struct nfp_net *nn, struct nfp_mbox_amsg_entry *entry)
{
unsigned int offset = nn->tlv_caps.mbox_off + NFP_NET_CFG_MBOX_SIMPLE_VAL;
+ struct nfp_ipsec_cfg_mssg *msg = (struct nfp_ipsec_cfg_mssg *)entry->msg;
int i, msg_size, ret;
ret = nfp_net_mbox_lock(nn, sizeof(*msg));
if (ret)
return ret;
- msg->cmd = type;
- msg->sa_idx = saidx;
- msg->rsp = 0;
msg_size = ARRAY_SIZE(msg->raw);
-
for (i = 0; i < msg_size; i++)
nn_writel(nn, offset + 4 * i, msg->raw[i]);
- ret = nfp_net_mbox_reconfig(nn, NFP_NET_CFG_MBOX_CMD_IPSEC);
+ ret = nfp_net_mbox_reconfig(nn, entry->cmd);
if (ret < 0) {
nn_ctrl_bar_unlock(nn);
return ret;
@@ -486,7 +482,10 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x)
}
/* Allocate saidx and commit the SA */
- err = nfp_ipsec_cfg_cmd_issue(nn, NFP_IPSEC_CFG_MSSG_ADD_SA, saidx, &msg);
+ msg.cmd = NFP_IPSEC_CFG_MSSG_ADD_SA;
+ msg.sa_idx = saidx;
+ err = nfp_net_sched_mbox_amsg_work(nn, NFP_NET_CFG_MBOX_CMD_IPSEC, &msg,
+ sizeof(msg), nfp_net_ipsec_cfg);
if (err) {
xa_erase(&nn->xa_ipsec, saidx);
nn_err(nn, "Failed to issue IPsec command err ret=%d\n", err);
@@ -500,14 +499,17 @@ static int nfp_net_xfrm_add_state(struct xfrm_state *x)
static void nfp_net_xfrm_del_state(struct xfrm_state *x)
{
+ struct nfp_ipsec_cfg_mssg msg = {
+ .cmd = NFP_IPSEC_CFG_MSSG_INV_SA,
+ .sa_idx = x->xso.offload_handle - 1,
+ };
struct net_device *netdev = x->xso.dev;
- struct nfp_ipsec_cfg_mssg msg;
struct nfp_net *nn;
int err;
nn = netdev_priv(netdev);
- err = nfp_ipsec_cfg_cmd_issue(nn, NFP_IPSEC_CFG_MSSG_INV_SA,
- x->xso.offload_handle - 1, &msg);
+ err = nfp_net_sched_mbox_amsg_work(nn, NFP_NET_CFG_MBOX_CMD_IPSEC, &msg,
+ sizeof(msg), nfp_net_ipsec_cfg);
if (err)
nn_warn(nn, "Failed to invalidate SA in hardware\n");
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h
index 432d79d691c2..939cfce15830 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h
@@ -617,9 +617,10 @@ struct nfp_net_dp {
* @vnic_no_name: For non-port PF vNIC make ndo_get_phys_port_name return
* -EOPNOTSUPP to keep backwards compatibility (set by app)
* @port: Pointer to nfp_port structure if vNIC is a port
- * @mc_lock: Protect mc_addrs list
- * @mc_addrs: List of mc addrs to add/del to HW
- * @mc_work: Work to update mc addrs
+ * @mbox_amsg: Asynchronously processed message via mailbox
+ * @mbox_amsg.lock: Protect message list
+ * @mbox_amsg.list: List of message to process
+ * @mbox_amsg.work: Work to process message asynchronously
* @app_priv: APP private data for this vNIC
*/
struct nfp_net {
@@ -721,13 +722,25 @@ struct nfp_net {
struct nfp_port *port;
- spinlock_t mc_lock;
- struct list_head mc_addrs;
- struct work_struct mc_work;
+ struct {
+ spinlock_t lock;
+ struct list_head list;
+ struct work_struct work;
+ } mbox_amsg;
void *app_priv;
};
+struct nfp_mbox_amsg_entry {
+ struct list_head list;
+ int (*cfg)(struct nfp_net *nn, struct nfp_mbox_amsg_entry *entry);
+ u32 cmd;
+ char msg[];
+};
+
+int nfp_net_sched_mbox_amsg_work(struct nfp_net *nn, u32 cmd, const void *data, size_t len,
+ int (*cb)(struct nfp_net *, struct nfp_mbox_amsg_entry *));
+
/* Functions to read/write from/to a BAR
* Performs any endian conversion necessary.
*/
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 18fc9971f1c8..70d7484c82af 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -1334,14 +1334,54 @@ err_unlock:
return err;
}
-struct nfp_mc_addr_entry {
- u8 addr[ETH_ALEN];
- u32 cmd;
- struct list_head list;
-};
+int nfp_net_sched_mbox_amsg_work(struct nfp_net *nn, u32 cmd, const void *data, size_t len,
+ int (*cb)(struct nfp_net *, struct nfp_mbox_amsg_entry *))
+{
+ struct nfp_mbox_amsg_entry *entry;
+
+ entry = kmalloc(sizeof(*entry) + len, GFP_ATOMIC);
+ if (!entry)
+ return -ENOMEM;
+
+ memcpy(entry->msg, data, len);
+ entry->cmd = cmd;
+ entry->cfg = cb;
+
+ spin_lock_bh(&nn->mbox_amsg.lock);
+ list_add_tail(&entry->list, &nn->mbox_amsg.list);
+ spin_unlock_bh(&nn->mbox_amsg.lock);
+
+ schedule_work(&nn->mbox_amsg.work);
+
+ return 0;
+}
+
+static void nfp_net_mbox_amsg_work(struct work_struct *work)
+{
+ struct nfp_net *nn = container_of(work, struct nfp_net, mbox_amsg.work);
+ struct nfp_mbox_amsg_entry *entry, *tmp;
+ struct list_head tmp_list;
+
+ INIT_LIST_HEAD(&tmp_list);
+
+ spin_lock_bh(&nn->mbox_amsg.lock);
+ list_splice_init(&nn->mbox_amsg.list, &tmp_list);
+ spin_unlock_bh(&nn->mbox_amsg.lock);
+
+ list_for_each_entry_safe(entry, tmp, &tmp_list, list) {
+ int err = entry->cfg(nn, entry);
+
+ if (err)
+ nn_err(nn, "Config cmd %d to HW failed %d.\n", entry->cmd, err);
+
+ list_del(&entry->list);
+ kfree(entry);
+ }
+}
-static int nfp_net_mc_cfg(struct nfp_net *nn, const unsigned char *addr, const u32 cmd)
+static int nfp_net_mc_cfg(struct nfp_net *nn, struct nfp_mbox_amsg_entry *entry)
{
+ unsigned char *addr = entry->msg;
int ret;
ret = nfp_net_mbox_lock(nn, NFP_NET_CFG_MULTICAST_SZ);
@@ -1353,26 +1393,7 @@ static int nfp_net_mc_cfg(struct nfp_net *nn, const unsigned char *addr, const u
nn_writew(nn, nn->tlv_caps.mbox_off + NFP_NET_CFG_MULTICAST_MAC_LO,
get_unaligned_be16(addr + 4));
- return nfp_net_mbox_reconfig_and_unlock(nn, cmd);
-}
-
-static int nfp_net_mc_prep(struct nfp_net *nn, const unsigned char *addr, const u32 cmd)
-{
- struct nfp_mc_addr_entry *entry;
-
- entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
- if (!entry)
- return -ENOMEM;
-
- ether_addr_copy(entry->addr, addr);
- entry->cmd = cmd;
- spin_lock_bh(&nn->mc_lock);
- list_add_tail(&entry->list, &nn->mc_addrs);
- spin_unlock_bh(&nn->mc_lock);
-
- schedule_work(&nn->mc_work);
-
- return 0;
+ return nfp_net_mbox_reconfig_and_unlock(nn, entry->cmd);
}
static int nfp_net_mc_sync(struct net_device *netdev, const unsigned char *addr)
@@ -1385,35 +1406,16 @@ static int nfp_net_mc_sync(struct net_device *netdev, const unsigned char *addr)
return -EINVAL;
}
- return nfp_net_mc_prep(nn, addr, NFP_NET_CFG_MBOX_CMD_MULTICAST_ADD);
+ return nfp_net_sched_mbox_amsg_work(nn, NFP_NET_CFG_MBOX_CMD_MULTICAST_ADD, addr,
+ NFP_NET_CFG_MULTICAST_SZ, nfp_net_mc_cfg);
}
static int nfp_net_mc_unsync(struct net_device *netdev, const unsigned char *addr)
{
struct nfp_net *nn = netdev_priv(netdev);
- return nfp_net_mc_prep(nn, addr, NFP_NET_CFG_MBOX_CMD_MULTICAST_DEL);
-}
-
-static void nfp_net_mc_addr_config(struct work_struct *work)
-{
- struct nfp_net *nn = container_of(work, struct nfp_net, mc_work);
- struct nfp_mc_addr_entry *entry, *tmp;
- struct list_head tmp_list;
-
- INIT_LIST_HEAD(&tmp_list);
-
- spin_lock_bh(&nn->mc_lock);
- list_splice_init(&nn->mc_addrs, &tmp_list);
- spin_unlock_bh(&nn->mc_lock);
-
- list_for_each_entry_safe(entry, tmp, &tmp_list, list) {
- if (nfp_net_mc_cfg(nn, entry->addr, entry->cmd))
- nn_err(nn, "Config mc address to HW failed.\n");
-
- list_del(&entry->list);
- kfree(entry);
- }
+ return nfp_net_sched_mbox_amsg_work(nn, NFP_NET_CFG_MBOX_CMD_MULTICAST_DEL, addr,
+ NFP_NET_CFG_MULTICAST_SZ, nfp_net_mc_cfg);
}
static void nfp_net_set_rx_mode(struct net_device *netdev)
@@ -2681,9 +2683,9 @@ int nfp_net_init(struct nfp_net *nn)
if (!nn->dp.netdev)
return 0;
- spin_lock_init(&nn->mc_lock);
- INIT_LIST_HEAD(&nn->mc_addrs);
- INIT_WORK(&nn->mc_work, nfp_net_mc_addr_config);
+ spin_lock_init(&nn->mbox_amsg.lock);
+ INIT_LIST_HEAD(&nn->mbox_amsg.list);
+ INIT_WORK(&nn->mbox_amsg.work, nfp_net_mbox_amsg_work);
return register_netdev(nn->dp.netdev);
@@ -2704,6 +2706,6 @@ void nfp_net_clean(struct nfp_net *nn)
unregister_netdev(nn->dp.netdev);
nfp_net_ipsec_clean(nn);
nfp_ccm_mbox_clean(nn);
- flush_work(&nn->mc_work);
+ flush_work(&nn->mbox_amsg.work);
nfp_net_reconfig_wait_posted(nn);
}