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Commit f3c58ace authored by Amerigo Wang's avatar Amerigo Wang Committed by David S. Miller
Browse files

mlx4: remove num_lro parameter 



As suggested by David, this parameter can die, we can use ethtool
to turn LRO on/off. Compile tests only.

Signed-off-by: default avatarWANG Cong <amwang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f502bf2b

drivers/net/mlx4/en_ethtool.c

+0 −2
Original line number Diff line number Diff line
@@ -398,8 +398,6 @@ static int mlx4_ethtool_op_set_flags(struct net_device *dev, u32 data) 
		return -EOPNOTSUPP;



	if (data & ETH_FLAG_LRO) {

		if (mdev->profile.num_lro == 0)

			return -EOPNOTSUPP;

		if (!(dev->features & NETIF_F_LRO))

			changed = 1;

	} else if (dev->features & NETIF_F_LRO) {

drivers/net/mlx4/en_main.c

+0 −5
Original line number Diff line number Diff line
@@ -69,10 +69,6 @@ MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS"); 
/* RSS hash type mask - default to <saddr, daddr, sport, dport> */

MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask");



/* Number of LRO sessions per Rx ring (rounded up to a power of two) */

MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS,

		 "Number of LRO sessions per ring or disabled (0)");



/* Priority pausing */

MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."

			   " Per priority bit mask");
@@ -109,7 +105,6 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev) 


	params->rss_xor = (rss_xor != 0);

	params->rss_mask = rss_mask & 0x1f;

	params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS);

	for (i = 1; i <= MLX4_MAX_PORTS; i++) {

		params->prof[i].rx_pause = 1;

		params->prof[i].rx_ppp = pfcrx;

drivers/net/mlx4/en_netdev.c

+1 −2
Original line number Diff line number Diff line
@@ -1038,7 +1038,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, 
	dev->features |= NETIF_F_HW_VLAN_TX |

			 NETIF_F_HW_VLAN_RX |

			 NETIF_F_HW_VLAN_FILTER;

	if (mdev->profile.num_lro)

	dev->features |= NETIF_F_LRO;

	if (mdev->LSO_support) {

		dev->features |= NETIF_F_TSO;

drivers/net/mlx4/en_rx.c

+2 −2
Original line number Diff line number Diff line
@@ -320,9 +320,9 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv, 
	ring->lro.frag_align_pad = NET_IP_ALIGN;

	ring->lro.ip_summed = CHECKSUM_UNNECESSARY;

	ring->lro.ip_summed_aggr = CHECKSUM_UNNECESSARY;

	ring->lro.max_desc = mdev->profile.num_lro;

	ring->lro.max_desc = MLX4_EN_MAX_LRO_DESCRIPTORS;

	ring->lro.max_aggr = MAX_SKB_FRAGS;

	ring->lro.lro_arr = kcalloc(mdev->profile.num_lro,

	ring->lro.lro_arr = kcalloc(MLX4_EN_MAX_LRO_DESCRIPTORS,

				    sizeof(struct net_lro_desc),

				    GFP_KERNEL);

	if (!ring->lro.lro_arr) {

drivers/net/mlx4/mlx4_en.h

+0 −1
Original line number Diff line number Diff line
@@ -313,7 +313,6 @@ struct mlx4_en_port_profile { 


struct mlx4_en_profile {

	int rss_xor;

	int num_lro;

	u8 rss_mask;

	u32 active_ports;

	u32 small_pkt_int;