cxgb4: function namespace cleanup (v3)

Make functions only used in one file local.
Remove lots of dead code, relating to unsupported functions
in mainline driver like RSS, IPv6, and TCP offload.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/cxgb4/cxgb4.h

@@ -592,7 +592,6 @@ void t4_os_portmod_changed(const struct adapter *adap, int port_id);
 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
 
 void *t4_alloc_mem(size_t size);
-void t4_free_mem(void *addr);
 
 void t4_free_sge_resources(struct adapter *adap);
 irq_handler_t t4_intr_handler(struct adapter *adap);
@@ -651,7 +650,6 @@ static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
 
 void t4_intr_enable(struct adapter *adapter);
 void t4_intr_disable(struct adapter *adapter);
-void t4_intr_clear(struct adapter *adapter);
 int t4_slow_intr_handler(struct adapter *adapter);
 
 int t4_wait_dev_ready(struct adapter *adap);
@@ -664,24 +662,16 @@ int t4_check_fw_version(struct adapter *adapter);
 int t4_prep_adapter(struct adapter *adapter);
 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
 void t4_fatal_err(struct adapter *adapter);
-int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
-			int filter_index, int enable);
-void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
-			 int filter_index, int *enabled);
 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
 			int start, int n, const u16 *rspq, unsigned int nrspq);
 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
 		       unsigned int flags);
-int t4_read_rss(struct adapter *adapter, u16 *entries);
 int t4_mc_read(struct adapter *adap, u32 addr, __be32 *data, u64 *parity);
 int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
 		u64 *parity);
 
 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
-void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
-
 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
-void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st);
 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
 			 struct tp_tcp_stats *v6);
 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
@@ -711,8 +701,6 @@ int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
 		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
 		unsigned int *rss_size);
-int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
-	       unsigned int vf, unsigned int viid);
 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
 		int mtu, int promisc, int all_multi, int bcast, int vlanex,
 		bool sleep_ok);
@@ -731,9 +719,6 @@ int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
 	       unsigned int mmd, unsigned int reg, u16 *valp);
 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
 	       unsigned int mmd, unsigned int reg, u16 val);
-int t4_iq_start_stop(struct adapter *adap, unsigned int mbox, bool start,
-		     unsigned int pf, unsigned int vf, unsigned int iqid,
-		     unsigned int fl0id, unsigned int fl1id);
 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
 	       unsigned int fl0id, unsigned int fl1id);

drivers/net/cxgb4/cxgb4_main.c

@@ -880,7 +880,7 @@ void *t4_alloc_mem(size_t size)
 /*
  * Free memory allocated through alloc_mem().
  */
-void t4_free_mem(void *addr)
+static void t4_free_mem(void *addr)
 {
 	if (is_vmalloc_addr(addr))
 		vfree(addr);
@@ -2206,8 +2206,8 @@ static void mk_tid_release(struct sk_buff *skb, unsigned int chan,
  * Queue a TID release request and if necessary schedule a work queue to
  * process it.
  */
-void cxgb4_queue_tid_release(struct tid_info *t, unsigned int chan,
-			     unsigned int tid)
+static void cxgb4_queue_tid_release(struct tid_info *t, unsigned int chan,
+				    unsigned int tid)
 {
 	void **p = &t->tid_tab[tid];
 	struct adapter *adap = container_of(t, struct adapter, tids);
@@ -2222,7 +2222,6 @@ void cxgb4_queue_tid_release(struct tid_info *t, unsigned int chan,
 	}
 	spin_unlock_bh(&adap->tid_release_lock);
 }
-EXPORT_SYMBOL(cxgb4_queue_tid_release);
 
 /*
  * Process the list of pending TID release requests.
@@ -2354,48 +2353,6 @@ int cxgb4_create_server(const struct net_device *dev, unsigned int stid,
 }
 EXPORT_SYMBOL(cxgb4_create_server);
 
-/**
- *	cxgb4_create_server6 - create an IPv6 server
- *	@dev: the device
- *	@stid: the server TID
- *	@sip: local IPv6 address to bind server to
- *	@sport: the server's TCP port
- *	@queue: queue to direct messages from this server to
- *
- *	Create an IPv6 server for the given port and address.
- *	Returns <0 on error and one of the %NET_XMIT_* values on success.
- */
-int cxgb4_create_server6(const struct net_device *dev, unsigned int stid,
-			 const struct in6_addr *sip, __be16 sport,
-			 unsigned int queue)
-{
-	unsigned int chan;
-	struct sk_buff *skb;
-	struct adapter *adap;
-	struct cpl_pass_open_req6 *req;
-
-	skb = alloc_skb(sizeof(*req), GFP_KERNEL);
-	if (!skb)
-		return -ENOMEM;
-
-	adap = netdev2adap(dev);
-	req = (struct cpl_pass_open_req6 *)__skb_put(skb, sizeof(*req));
-	INIT_TP_WR(req, 0);
-	OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_PASS_OPEN_REQ6, stid));
-	req->local_port = sport;
-	req->peer_port = htons(0);
-	req->local_ip_hi = *(__be64 *)(sip->s6_addr);
-	req->local_ip_lo = *(__be64 *)(sip->s6_addr + 8);
-	req->peer_ip_hi = cpu_to_be64(0);
-	req->peer_ip_lo = cpu_to_be64(0);
-	chan = rxq_to_chan(&adap->sge, queue);
-	req->opt0 = cpu_to_be64(TX_CHAN(chan));
-	req->opt1 = cpu_to_be64(CONN_POLICY_ASK |
-				SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue));
-	return t4_mgmt_tx(adap, skb);
-}
-EXPORT_SYMBOL(cxgb4_create_server6);
-
 /**
  *	cxgb4_best_mtu - find the entry in the MTU table closest to an MTU
  *	@mtus: the HW MTU table
@@ -2455,25 +2412,6 @@ unsigned int cxgb4_port_idx(const struct net_device *dev)
 }
 EXPORT_SYMBOL(cxgb4_port_idx);
 
-/**
- *	cxgb4_netdev_by_hwid - return the net device of a HW port
- *	@pdev: identifies the adapter
- *	@id: the HW port id
- *
- *	Return the net device associated with the interface with the given HW
- *	id.
- */
-struct net_device *cxgb4_netdev_by_hwid(struct pci_dev *pdev, unsigned int id)
-{
-	const struct adapter *adap = pci_get_drvdata(pdev);
-
-	if (!adap || id >= NCHAN)
-		return NULL;
-	id = adap->chan_map[id];
-	return id < MAX_NPORTS ? adap->port[id] : NULL;
-}
-EXPORT_SYMBOL(cxgb4_netdev_by_hwid);
-
 void cxgb4_get_tcp_stats(struct pci_dev *pdev, struct tp_tcp_stats *v4,
 			 struct tp_tcp_stats *v6)
 {

drivers/net/cxgb4/cxgb4_uld.h

@@ -139,16 +139,11 @@ int cxgb4_alloc_stid(struct tid_info *t, int family, void *data);
 void cxgb4_free_atid(struct tid_info *t, unsigned int atid);
 void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family);
 void cxgb4_remove_tid(struct tid_info *t, unsigned int qid, unsigned int tid);
-void cxgb4_queue_tid_release(struct tid_info *t, unsigned int chan,
-			     unsigned int tid);
 
 struct in6_addr;
 
 int cxgb4_create_server(const struct net_device *dev, unsigned int stid,
 			__be32 sip, __be16 sport, unsigned int queue);
-int cxgb4_create_server6(const struct net_device *dev, unsigned int stid,
-			 const struct in6_addr *sip, __be16 sport,
-			 unsigned int queue);
 
 static inline void set_wr_txq(struct sk_buff *skb, int prio, int queue)
 {
@@ -233,7 +228,6 @@ int cxgb4_ofld_send(struct net_device *dev, struct sk_buff *skb);
 unsigned int cxgb4_port_chan(const struct net_device *dev);
 unsigned int cxgb4_port_viid(const struct net_device *dev);
 unsigned int cxgb4_port_idx(const struct net_device *dev);
-struct net_device *cxgb4_netdev_by_hwid(struct pci_dev *pdev, unsigned int id);
 unsigned int cxgb4_best_mtu(const unsigned short *mtus, unsigned short mtu,
 			    unsigned int *idx);
 void cxgb4_get_tcp_stats(struct pci_dev *pdev, struct tp_tcp_stats *v4,

drivers/net/cxgb4/l2t.c

@@ -481,40 +481,6 @@ void t4_l2t_update(struct adapter *adap, struct neighbour *neigh)
 		handle_failed_resolution(adap, arpq);
 }
 
-/*
- * Allocate an L2T entry for use by a switching rule.  Such entries need to be
- * explicitly freed and while busy they are not on any hash chain, so normal
- * address resolution updates do not see them.
- */
-struct l2t_entry *t4_l2t_alloc_switching(struct l2t_data *d)
-{
-	struct l2t_entry *e;
-
-	write_lock_bh(&d->lock);
-	e = alloc_l2e(d);
-	if (e) {
-		spin_lock(&e->lock);          /* avoid race with t4_l2t_free */
-		e->state = L2T_STATE_SWITCHING;
-		atomic_set(&e->refcnt, 1);
-		spin_unlock(&e->lock);
-	}
-	write_unlock_bh(&d->lock);
-	return e;
-}
-
-/*
- * Sets/updates the contents of a switching L2T entry that has been allocated
- * with an earlier call to @t4_l2t_alloc_switching.
- */
-int t4_l2t_set_switching(struct adapter *adap, struct l2t_entry *e, u16 vlan,
-			 u8 port, u8 *eth_addr)
-{
-	e->vlan = vlan;
-	e->lport = port;
-	memcpy(e->dmac, eth_addr, ETH_ALEN);
-	return write_l2e(adap, e, 0);
-}
-
 struct l2t_data *t4_init_l2t(void)
 {
 	int i;

drivers/net/cxgb4/l2t.h

@@ -100,9 +100,6 @@ struct l2t_entry *cxgb4_l2t_get(struct l2t_data *d, struct neighbour *neigh,
 				unsigned int priority);
 
 void t4_l2t_update(struct adapter *adap, struct neighbour *neigh);
-struct l2t_entry *t4_l2t_alloc_switching(struct l2t_data *d);
-int t4_l2t_set_switching(struct adapter *adap, struct l2t_entry *e, u16 vlan,
-			 u8 port, u8 *eth_addr);
 struct l2t_data *t4_init_l2t(void);
 void do_l2t_write_rpl(struct adapter *p, const struct cpl_l2t_write_rpl *rpl);