diff mbox series

[net-next,13/15] bnxt_en: Support force speed using the new HWRM fields

Message ID 20231201223924.26955-14-michael.chan@broadcom.com (mailing list archive)
State Accepted
Commit 7b60cf2b641a0de8117714dd6653e19a05ab4fda
Delegated to: Netdev Maintainers
Headers show
Series bnxt_en: Support new 5760X P7 devices | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1115 this patch: 1115
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/build_clang success Errors and warnings before: 1142 this patch: 1142
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1143 this patch: 1143
netdev/checkpatch warning WARNING: line length of 82 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Michael Chan Dec. 1, 2023, 10:39 p.m. UTC 
Modify bnxt_force_link_speed() to support the new speeds stored in
link_info->support_speeds2, including the new 400G speed.

Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 .../net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 52 ++++++++++++++++---
 1 file changed, 46 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 7bc0bddbb126..0a7dd48f1da8 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2128,6 +2128,7 @@  bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes)
 	struct bnxt *bp = netdev_priv(dev);
 	struct bnxt_link_info *link_info = &bp->link_info;
 	u16 support_pam4_spds = link_info->support_pam4_speeds;
+	u16 support_spds2 = link_info->support_speeds2;
 	u16 support_spds = link_info->support_speeds;
 	u8 sig_mode = BNXT_SIG_MODE_NRZ;
 	u32 lanes_needed = 1;
@@ -2139,7 +2140,8 @@  bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes)
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100MB;
 		break;
 	case SPEED_1000:
-		if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
+		if ((support_spds & BNXT_LINK_SPEED_MSK_1GB) ||
+		    (support_spds2 & BNXT_LINK_SPEEDS2_MSK_1GB))
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
 		break;
 	case SPEED_2500:
@@ -2147,7 +2149,8 @@  bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes)
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_2_5GB;
 		break;
 	case SPEED_10000:
-		if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
+		if ((support_spds & BNXT_LINK_SPEED_MSK_10GB) ||
+		    (support_spds2 & BNXT_LINK_SPEEDS2_MSK_10GB))
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
 		break;
 	case SPEED_20000:
@@ -2157,26 +2160,34 @@  bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes)
 		}
 		break;
 	case SPEED_25000:
-		if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
+		if ((support_spds & BNXT_LINK_SPEED_MSK_25GB) ||
+		    (support_spds2 & BNXT_LINK_SPEEDS2_MSK_25GB))
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
 		break;
 	case SPEED_40000:
-		if (support_spds & BNXT_LINK_SPEED_MSK_40GB) {
+		if ((support_spds & BNXT_LINK_SPEED_MSK_40GB) ||
+		    (support_spds2 & BNXT_LINK_SPEEDS2_MSK_40GB)) {
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
 			lanes_needed = 4;
 		}
 		break;
 	case SPEED_50000:
-		if ((support_spds & BNXT_LINK_SPEED_MSK_50GB) && lanes != 1) {
+		if (((support_spds & BNXT_LINK_SPEED_MSK_50GB) ||
+		     (support_spds2 & BNXT_LINK_SPEEDS2_MSK_50GB)) &&
+		    lanes != 1) {
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
 			lanes_needed = 2;
 		} else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_50GB) {
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_50GB;
 			sig_mode = BNXT_SIG_MODE_PAM4;
+		} else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_50GB_PAM4) {
+			fw_speed = BNXT_LINK_SPEED_50GB_PAM4;
+			sig_mode = BNXT_SIG_MODE_PAM4;
 		}
 		break;
 	case SPEED_100000:
-		if ((support_spds & BNXT_LINK_SPEED_MSK_100GB) &&
+		if (((support_spds & BNXT_LINK_SPEED_MSK_100GB) ||
+		     (support_spds2 & BNXT_LINK_SPEEDS2_MSK_100GB)) &&
 		    lanes != 2 && lanes != 1) {
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB;
 			lanes_needed = 4;
@@ -2184,6 +2195,14 @@  bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes)
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB;
 			sig_mode = BNXT_SIG_MODE_PAM4;
 			lanes_needed = 2;
+		} else if ((support_spds2 & BNXT_LINK_SPEEDS2_MSK_100GB_PAM4) &&
+			   lanes != 1) {
+			fw_speed = BNXT_LINK_SPEED_100GB_PAM4;
+			sig_mode = BNXT_SIG_MODE_PAM4;
+			lanes_needed = 2;
+		} else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_100GB_PAM4_112) {
+			fw_speed = BNXT_LINK_SPEED_100GB_PAM4_112;
+			sig_mode = BNXT_SIG_MODE_PAM4_112;
 		}
 		break;
 	case SPEED_200000:
@@ -2191,6 +2210,27 @@  bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed, u32 lanes)
 			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB;
 			sig_mode = BNXT_SIG_MODE_PAM4;
 			lanes_needed = 4;
+		} else if ((support_spds2 & BNXT_LINK_SPEEDS2_MSK_200GB_PAM4) &&
+			   lanes != 2) {
+			fw_speed = BNXT_LINK_SPEED_200GB_PAM4;
+			sig_mode = BNXT_SIG_MODE_PAM4;
+			lanes_needed = 4;
+		} else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_200GB_PAM4_112) {
+			fw_speed = BNXT_LINK_SPEED_200GB_PAM4_112;
+			sig_mode = BNXT_SIG_MODE_PAM4_112;
+			lanes_needed = 2;
+		}
+		break;
+	case SPEED_400000:
+		if ((support_spds2 & BNXT_LINK_SPEEDS2_MSK_400GB_PAM4) &&
+		    lanes != 4) {
+			fw_speed = BNXT_LINK_SPEED_400GB_PAM4;
+			sig_mode = BNXT_SIG_MODE_PAM4;
+			lanes_needed = 8;
+		} else if (support_spds2 & BNXT_LINK_SPEEDS2_MSK_400GB_PAM4_112) {
+			fw_speed = BNXT_LINK_SPEED_400GB_PAM4_112;
+			sig_mode = BNXT_SIG_MODE_PAM4_112;
+			lanes_needed = 4;
 		}
 		break;
 	}