Commit 982b0192 authored by Pawel Chmielewski's avatar Pawel Chmielewski Committed by David S. Miller
Browse files

ice: Refactor finding advertised link speed



Refactor ice_get_link_ksettings to using forced speed to link modes
mapping.

Suggested-by : Alexander Lobakin <aleksander.lobakin@intel.com>
Reviewed-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Reviewed-by: default avatarPrzemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: default avatarPawel Chmielewski <pawel.chmielewski@intel.com>
Signed-off-by: default avatarPaul Greenwalt <paul.greenwalt@intel.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a5b65cd2
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+1 −0
Original line number Diff line number Diff line
@@ -960,6 +960,7 @@ int ice_stop(struct net_device *netdev);
void ice_service_task_schedule(struct ice_pf *pf);
int ice_load(struct ice_pf *pf);
void ice_unload(struct ice_pf *pf);
void ice_adv_lnk_speed_maps_init(void);

/**
 * ice_set_rdma_cap - enable RDMA support
+128 −65
Original line number Diff line number Diff line
@@ -345,6 +345,79 @@ static const struct ice_priv_flag ice_gstrings_priv_flags[] = {

#define ICE_PRIV_FLAG_ARRAY_SIZE	ARRAY_SIZE(ice_gstrings_priv_flags)

static const u32 ice_adv_lnk_speed_100[] __initconst = {
	ETHTOOL_LINK_MODE_100baseT_Full_BIT,
};

static const u32 ice_adv_lnk_speed_1000[] __initconst = {
	ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
	ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
	ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
};

static const u32 ice_adv_lnk_speed_2500[] __initconst = {
	ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
	ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
};

static const u32 ice_adv_lnk_speed_5000[] __initconst = {
	ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
};

static const u32 ice_adv_lnk_speed_10000[] __initconst = {
	ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
};

static const u32 ice_adv_lnk_speed_25000[] __initconst = {
	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
};

static const u32 ice_adv_lnk_speed_40000[] __initconst = {
	ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
	ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
	ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
	ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
};

static const u32 ice_adv_lnk_speed_50000[] __initconst = {
	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};

static const u32 ice_adv_lnk_speed_100000[] __initconst = {
	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
};

static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = {
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000),
	ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000),
};

void __init ice_adv_lnk_speed_maps_init(void)
{
	ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps,
				       ARRAY_SIZE(ice_adv_lnk_speed_maps));
}

static void
__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
		  struct ice_vsi *vsi)
@@ -2007,6 +2080,55 @@ ice_get_link_ksettings(struct net_device *netdev,
	return err;
}

/**
 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed
 * @speed: ethtool forced speed
 */
static u16 ice_speed_to_aq_link(int speed)
{
	int aq_speed;

	switch (speed) {
	case SPEED_10:
		aq_speed = ICE_AQ_LINK_SPEED_10MB;
		break;
	case SPEED_100:
		aq_speed = ICE_AQ_LINK_SPEED_100MB;
		break;
	case SPEED_1000:
		aq_speed = ICE_AQ_LINK_SPEED_1000MB;
		break;
	case SPEED_2500:
		aq_speed = ICE_AQ_LINK_SPEED_2500MB;
		break;
	case SPEED_5000:
		aq_speed = ICE_AQ_LINK_SPEED_5GB;
		break;
	case SPEED_10000:
		aq_speed = ICE_AQ_LINK_SPEED_10GB;
		break;
	case SPEED_20000:
		aq_speed = ICE_AQ_LINK_SPEED_20GB;
		break;
	case SPEED_25000:
		aq_speed = ICE_AQ_LINK_SPEED_25GB;
		break;
	case SPEED_40000:
		aq_speed = ICE_AQ_LINK_SPEED_40GB;
		break;
	case SPEED_50000:
		aq_speed = ICE_AQ_LINK_SPEED_50GB;
		break;
	case SPEED_100000:
		aq_speed = ICE_AQ_LINK_SPEED_100GB;
		break;
	default:
		aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
		break;
	}
	return aq_speed;
}

/**
 * ice_ksettings_find_adv_link_speed - Find advertising link speed
 * @ks: ethtool ksettings
@@ -2014,73 +2136,14 @@ ice_get_link_ksettings(struct net_device *netdev,
static u16
ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
{
	const struct ethtool_forced_speed_map *map;
	u16 adv_link_speed = 0;

	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100baseT_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  1000baseX_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  1000baseT_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  1000baseKX_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  2500baseT_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  2500baseX_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  5000baseT_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseT_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseKR_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseSR_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  10000baseLR_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  25000baseCR_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  25000baseSR_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  25000baseKR_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseCR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseSR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseLR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  40000baseKR4_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  50000baseCR2_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  50000baseKR2_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  50000baseSR2_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
	if (ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseCR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseSR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseLR4_ER4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseKR4_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseCR2_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseSR2_Full) ||
	    ethtool_link_ksettings_test_link_mode(ks, advertising,
						  100000baseKR2_Full))
		adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
	for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {
		map = ice_adv_lnk_speed_maps + i;
		if (linkmode_intersects(ks->link_modes.advertising, map->caps))
			adv_link_speed |= ice_speed_to_aq_link(map->speed);
	}

	return adv_link_speed;
}
+2 −0
Original line number Diff line number Diff line
@@ -5633,6 +5633,8 @@ static int __init ice_module_init(void)
	pr_info("%s\n", ice_driver_string);
	pr_info("%s\n", ice_copyright);

	ice_adv_lnk_speed_maps_init();

	ice_wq = alloc_workqueue("%s", 0, 0, KBUILD_MODNAME);
	if (!ice_wq) {
		pr_err("Failed to create workqueue\n");