Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c90d1604 authored by Arjun Vynipadath's avatar Arjun Vynipadath Committed by David S. Miller
Browse files

cxgb4: Support ethtool private flags 



This is used to change TX workrequests, which helps in
host->vf communication.

Signed-off-by: default avatarArjun Vynipadath <arjun@chelsio.com>
Signed-off-by: default avatarCasey Leedom <leedom@chelsio.com>
Signed-off-by: default avatarGanesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d5fbda61

drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c

+42 −0
Original line number Diff line number Diff line
@@ -177,6 +177,10 @@ static char loopback_stats_strings[][ETH_GSTRING_LEN] = { 
	"bg3_frames_trunc       ",

};



static const char cxgb4_priv_flags_strings[][ETH_GSTRING_LEN] = {

	[PRIV_FLAG_PORT_TX_VM_BIT] = "port_tx_vm_wr",

};



static int get_sset_count(struct net_device *dev, int sset)

{

	switch (sset) {
@@ -185,6 +189,8 @@ static int get_sset_count(struct net_device *dev, int sset) 
		       ARRAY_SIZE(adapter_stats_strings) +

		       ARRAY_SIZE(channel_stats_strings) +

		       ARRAY_SIZE(loopback_stats_strings);

	case ETH_SS_PRIV_FLAGS:

		return ARRAY_SIZE(cxgb4_priv_flags_strings);

	default:

		return -EOPNOTSUPP;

	}
@@ -235,6 +241,7 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 
			 FW_HDR_FW_VER_MINOR_G(exprom_vers),

			 FW_HDR_FW_VER_MICRO_G(exprom_vers),

			 FW_HDR_FW_VER_BUILD_G(exprom_vers));

	info->n_priv_flags = ARRAY_SIZE(cxgb4_priv_flags_strings);

}



static void get_strings(struct net_device *dev, u32 stringset, u8 *data)
@@ -250,6 +257,9 @@ static void get_strings(struct net_device *dev, u32 stringset, u8 *data) 
		data += sizeof(channel_stats_strings);

		memcpy(data, loopback_stats_strings,

		       sizeof(loopback_stats_strings));

	} else if (stringset == ETH_SS_PRIV_FLAGS) {

		memcpy(data, cxgb4_priv_flags_strings,

		       sizeof(cxgb4_priv_flags_strings));

	}

}
@@ -1499,6 +1509,36 @@ static int cxgb4_get_module_eeprom(struct net_device *dev, 
			 offset, len, &data[eprom->len - len]);

}



static u32 cxgb4_get_priv_flags(struct net_device *netdev)

{

	struct port_info *pi = netdev_priv(netdev);

	struct adapter *adapter = pi->adapter;



	return (adapter->eth_flags | pi->eth_flags);

}



/**

 *	set_flags - set/unset specified flags if passed in new_flags

 *	@cur_flags: pointer to current flags

 *	@new_flags: new incoming flags

 *	@flags: set of flags to set/unset

 */

static inline void set_flags(u32 *cur_flags, u32 new_flags, u32 flags)

{

	*cur_flags = (*cur_flags & ~flags) | (new_flags & flags);

}



static int cxgb4_set_priv_flags(struct net_device *netdev, u32 flags)

{

	struct port_info *pi = netdev_priv(netdev);

	struct adapter *adapter = pi->adapter;



	set_flags(&adapter->eth_flags, flags, PRIV_FLAGS_ADAP);

	set_flags(&pi->eth_flags, flags, PRIV_FLAGS_PORT);



	return 0;

}



static const struct ethtool_ops cxgb_ethtool_ops = {

	.get_link_ksettings = get_link_ksettings,

	.set_link_ksettings = set_link_ksettings,
@@ -1535,6 +1575,8 @@ static const struct ethtool_ops cxgb_ethtool_ops = { 
	.get_dump_data     = get_dump_data,

	.get_module_info   = cxgb4_get_module_info,

	.get_module_eeprom = cxgb4_get_module_eeprom,

	.get_priv_flags    = cxgb4_get_priv_flags,

	.set_priv_flags    = cxgb4_set_priv_flags,

};



void cxgb4_set_ethtool_ops(struct net_device *netdev)