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From: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
To: intel-wired-lan@lists.osuosl.org, anthony.l.nguyen@intel.com,
	aleksandr.loktionov@intel.com
Cc: netdev@vger.kernel.org, Lukasz Czapnik <lukasz.czapnik@intel.com>
Subject: [PATCH iwl-net v2 3/3] ice: support RDMA on 4+-port E830 devices
Date: Tue, 15 Sep 2026 14:55:29 +0200	[thread overview]
Message-ID: <20260915125529.3975723-4-aleksandr.loktionov@intel.com> (raw)
In-Reply-To: <20260915125529.3975723-1-aleksandr.loktionov@intel.com>

From: Lukasz Czapnik <lukasz.czapnik@intel.com>

E810 and E82X devices do not support RDMA on configurations with more
than 4 ports. This limitation does not apply to E830 devices, which
have a different hardware design and support RDMA regardless of the
port count.

Narrow the RDMA capability disable condition to skip E830 devices.

Fixes: ba1124f58afd ("ice: Add E830 device IDs, MAC type and registers")
Signed-off-by: Lukasz Czapnik <lukasz.czapnik@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index ef1ce10..d53307b 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -2507,7 +2507,7 @@ ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
 		caps->maxtc = 4;
 		ice_debug(hw, ICE_DBG_INIT, "reducing maxtc to %d (based on #ports)\n",
 			  caps->maxtc);
-		if (caps->rdma) {
+		if (caps->rdma && hw->mac_type != ICE_MAC_E830) {
 			ice_debug(hw, ICE_DBG_INIT, "forcing RDMA off\n");
 			caps->rdma = 0;
 		}
-- 
2.52.0


  parent reply	other threads:[~2026-09-15 12:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-15 12:55 [PATCH iwl-net v2 0/3] ice: fixes for pause reporting, autoneg and RDMA Aleksandr Loktionov
2026-09-15 12:55 ` [PATCH iwl-net v2 1/3] ice: fix asymmetric pause negotiation reporting in ethtool Aleksandr Loktionov
2026-09-16 14:05   ` Simon Horman
2026-09-15 12:55 ` [PATCH iwl-net v2 2/3] ice: fix autoneg disable when link partner doesn't support AN Aleksandr Loktionov
2026-09-16 14:06   ` Simon Horman
2026-09-17  9:22   ` Tomasz Lichwala
2026-09-15 12:55 ` Aleksandr Loktionov [this message]
2026-09-16 14:03   ` [PATCH iwl-net v2 3/3] ice: support RDMA on 4+-port E830 devices Simon Horman
2026-09-17  9:35   ` Tomasz Lichwala

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