From: Deepak Khungar <deepak.khungar@broadcom.com>
Date: Sat, 22 Apr 2017 00:11:26 +0000 (-0400)
Subject: bnxt_en: Restrict a PF in Multi-Host mode from changing port PHY configuration
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9e54e322ded40f424dcb5a13508e2556919ce12a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

bnxt_en: Restrict a PF in Multi-Host mode from changing port PHY configuration

This change restricts the PF in multi-host mode from setting any port
level PHY configuration.  The settings are controlled by firmware in
Multi-Host mode.

Signed-off-by: Deepak Khungar <deepak.khungar@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 9130628227e0..b3ba66032980 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4482,10 +4482,15 @@ static int bnxt_hwrm_func_qcfg(struct bnxt *bp)
 		vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK;
 	}
 #endif
-	if (BNXT_PF(bp) && (le16_to_cpu(resp->flags) &
-			    (FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED |
-			     FUNC_QCFG_RESP_FLAGS_FW_LLDP_AGENT_ENABLED)))
-		bp->flags |= BNXT_FLAG_FW_LLDP_AGENT;
+	if (BNXT_PF(bp)) {
+		u16 flags = le16_to_cpu(resp->flags);
+
+		if (flags & (FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED |
+			     FUNC_QCFG_RESP_FLAGS_FW_LLDP_AGENT_ENABLED))
+			bp->flags |= BNXT_FLAG_FW_LLDP_AGENT;
+		if (flags & FUNC_QCFG_RESP_FLAGS_MULTI_HOST)
+			bp->flags |= BNXT_FLAG_MULTI_HOST;
+	}
 
 	switch (resp->port_partition_type) {
 	case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0:
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 25fef612de70..3ef42dbc6327 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1005,6 +1005,7 @@ struct bnxt {
 	#define BNXT_FLAG_NO_AGG_RINGS	0x20000
 	#define BNXT_FLAG_RX_PAGE_MODE	0x40000
 	#define BNXT_FLAG_FW_LLDP_AGENT	0x80000
+	#define BNXT_FLAG_MULTI_HOST	0x100000
 	#define BNXT_FLAG_CHIP_NITRO_A0	0x1000000
 
 	#define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA |		\
@@ -1014,7 +1015,8 @@ struct bnxt {
 #define BNXT_PF(bp)		(!((bp)->flags & BNXT_FLAG_VF))
 #define BNXT_VF(bp)		((bp)->flags & BNXT_FLAG_VF)
 #define BNXT_NPAR(bp)		((bp)->port_partition_type)
-#define BNXT_SINGLE_PF(bp)	(BNXT_PF(bp) && !BNXT_NPAR(bp))
+#define BNXT_MH(bp)		((bp)->flags & BNXT_FLAG_MULTI_HOST)
+#define BNXT_SINGLE_PF(bp)	(BNXT_PF(bp) && !BNXT_NPAR(bp) && !BNXT_MH(bp))
 #define BNXT_CHIP_TYPE_NITRO_A0(bp) ((bp)->flags & BNXT_FLAG_CHIP_NITRO_A0)
 #define BNXT_RX_PAGE_MODE(bp)	((bp)->flags & BNXT_FLAG_RX_PAGE_MODE)