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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Noa Osherovich <noaos@mellanox.com>,
	Saeed Mahameed <saeedm@mellanox.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH 4.4 07/27] net/mlx5: Check FW limitations on log_max_qp before setting it
Date: Fri, 13 Jan 2017 12:38:24 +0100	[thread overview]
Message-ID: <20170113113722.954441324@linuxfoundation.org> (raw)
In-Reply-To: <20170113113722.669106991@linuxfoundation.org>

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Noa Osherovich <noaos@mellanox.com>


[ Upstream commit 883371c453b937f9eb581fb4915210865982736f ]

When setting HCA capabilities, set log_max_qp to be the minimum
between the selected profile's value and the HCA limitation.

Fixes: 938fe83c8dcb ('net/mlx5_core: New device capabilities...')
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -432,6 +432,13 @@ static int handle_hca_cap(struct mlx5_co
 	MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size,
 		 to_fw_pkey_sz(128));
 
+	/* Check log_max_qp from HCA caps to set in current profile */
+	if (MLX5_CAP_GEN_MAX(dev, log_max_qp) < profile[prof_sel].log_max_qp) {
+		mlx5_core_warn(dev, "log_max_qp value in current profile is %d, changing it to HCA capability limit (%d)\n",
+			       profile[prof_sel].log_max_qp,
+			       MLX5_CAP_GEN_MAX(dev, log_max_qp));
+		profile[prof_sel].log_max_qp = MLX5_CAP_GEN_MAX(dev, log_max_qp);
+	}
 	if (prof->mask & MLX5_PROF_MASK_QP_SIZE)
 		MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp,
 			 prof->log_max_qp);

  parent reply	other threads:[~2017-01-13 11:39 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20170113113908epcas2p26894f438616da1bf9f7b6b31f735fedc@epcas2p2.samsung.com>
2017-01-13 11:38 ` [PATCH 4.4 00/27] 4.4.43-stable review Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 01/27] netvsc: reduce maximum GSO size Greg Kroah-Hartman
2017-02-09 19:37     ` Ben Hutchings
2017-02-10 21:15       ` Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 02/27] ser_gigaset: return -ENOMEM on error instead of success Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 03/27] net: vrf: Drop conntrack data after pass through VRF device on Tx Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 04/27] ipv6: handle -EFAULT from skb_copy_bits Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 05/27] net, sched: fix soft lockup in tc_classify Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 06/27] net: stmmac: Fix race between stmmac_drv_probe and stmmac_open Greg Kroah-Hartman
2017-01-13 11:38   ` Greg Kroah-Hartman [this message]
2017-01-13 11:38   ` [PATCH 4.4 08/27] net/mlx5: Avoid shadowing numa_node Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 09/27] drop_monitor: add missing call to genlmsg_end Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 10/27] drop_monitor: consider inserted data in genlmsg_end Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 11/27] igmp: Make igmp group member RFC 3376 compliant Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 12/27] ipv4: Do not allow MAIN to be alias for new LOCAL w/ custom rules Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 13/27] r8152: split rtl8152_suspend function Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 14/27] r8152: fix rx issue for runtime suspend Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 15/27] gro: Enter slow-path if there is no tailroom Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 16/27] gro: use min_t() in skb_gro_reset_offset() Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 17/27] gro: Disable frag0 optimization on IPv6 ext headers Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 18/27] net: ipv4: Fix multipath selection with vrf Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 19/27] net: vrf: do not allow table id 0 Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 20/27] HID: hid-cypress: validate length of report Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 21/27] ALSA: firewire-tascam: Fix to handle error from initialization of stream data Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 22/27] powerpc: Fix build warning on 32-bit PPC Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 23/27] ARM: zynq: Reserve correct amount of non-DMA RAM Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 24/27] ARM: OMAP4+: Fix bad fallthrough for cpuidle Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 26/27] ALSA: usb-audio: Add a quirk for Plantronics BT600 Greg Kroah-Hartman
2017-01-13 11:38   ` [PATCH 4.4 27/27] mm/init: fix zone boundary creation Greg Kroah-Hartman
2017-01-13 20:19   ` [PATCH 4.4 00/27] 4.4.43-stable review Guenter Roeck
2017-01-14  7:24     ` Greg Kroah-Hartman
2017-01-13 21:57   ` Shuah Khan

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