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Commit 75908376 authored by Alexander Guller's avatar Alexander Guller Committed by David S. Miller
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net/mlx4_core: Make sure the max number of QPs per MCG isn't exceeded 



In B0 steering mode when adding QPs to the default MCG entry need
to check that maximal number of QPs per MCG entry was not exceeded.

Signed-off-by: default avatarAlexander Guller <alexg@mellanox.com>
Reviewed-by: default avatarAviad Yehezkel <aviadye@mellanox.co.il>
Signed-off-by: default avatarEugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: default avatarAmir Vadai <amirv@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aab2bb0e

drivers/net/ethernet/mellanox/mlx4/mcg.c

+7 −1
Original line number Diff line number Diff line
@@ -477,8 +477,14 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, 
	/* now need to add all the promisc qps to default entry */

	memset(mgm, 0, sizeof *mgm);

	members_count = 0;

	list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list)

	list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list) {

		if (members_count == dev->caps.num_qp_per_mgm) {

			/* entry is full */

			err = -ENOMEM;

			goto out_list;

		}

		mgm->qp[members_count++] = cpu_to_be32(dqp->qpn & MGM_QPN_MASK);

	}

	mgm->members_count = cpu_to_be32(members_count | MLX4_PROT_ETH << 30);



	err = mlx4_WRITE_PROMISC(dev, port, steer, mailbox);