netdev - [PATCH v2 net-next 08/11] qed: Enable RoCE parser searching on fp init

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Date:   Tue, 23 May 2017 09:41:25 +0300
From:   Yuval Mintz <Yuval.Mintz@...ium.com>
To:     <davem@...emloft.net>, <netdev@...r.kernel.org>
CC:     Michal Kalderon <Michal.Kalderon@...ium.com>,
        Yuval Mintz <Yuval.Mintz@...ium.com>
Subject: [PATCH v2 net-next 08/11] qed: Enable RoCE parser searching on fp init

From: Michal Kalderon <Michal.Kalderon@...ium.com>

Since we're closing the parser searching for RDMA when stoping the
fastpath, we need to re-enable it when starting the fastpath once again.

Signed-off-by: Michal Kalderon <Michal.Kalderon@...ium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@...ium.com>
---
 drivers/net/ethernet/qlogic/qed/qed_dev.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 3262aaa..072d950 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -1948,6 +1948,13 @@ int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn)
 	if (!p_ptt)
 		return -EAGAIN;
 
+	/* If roce info is allocated it means roce is initialized and should
+	 * be enabled in searcher.
+	 */
+	if (p_hwfn->p_rdma_info &&
+	    p_hwfn->b_rdma_enabled_in_prs)
+		qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 0x1);
+
 	/* Re-open incoming traffic */
 	qed_wr(p_hwfn, p_ptt, NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0);
 	qed_ptt_release(p_hwfn, p_ptt);
-- 
1.9.3