[PATCH 2/6] bnx2x: fix loopback for non 10G link
From: Dmitry Kravkov <hidden>
Date: 2011-07-24 14:10:45
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Yaniv Rosner <redacted> Also fixes minor formatting in that function. Signed-off-by: Dmitry Kravkov <redacted> Signed-off-by: Yaniv Rosner <redacted> Signed-off-by: Eilon Greenstein <redacted> --- drivers/net/bnx2x/bnx2x_main.c | 24 ++++++++++++++++++------ 1 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index e1ec1a3..48490da 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c@@ -2151,10 +2151,12 @@ u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode) u8 rc; int cfx_idx = bnx2x_get_link_cfg_idx(bp); u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx]; - /* Initialize link parameters structure variables */ - /* It is recommended to turn off RX FC for jumbo frames - for better performance */ - if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000)) + /* + * Initialize link parameters structure variables + * It is recommended to turn off RX FC for jumbo frames + * for better performance + */ + if (CHIP_IS_E1x(bp) && (bp->dev->mtu > 5000)) bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX; else bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
@@ -2162,8 +2164,18 @@ u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode) bnx2x_acquire_phy_lock(bp); if (load_mode == LOAD_DIAG) { - bp->link_params.loopback_mode = LOOPBACK_XGXS; - bp->link_params.req_line_speed[cfx_idx] = SPEED_10000; + struct link_params *lp = &bp->link_params; + lp->loopback_mode = LOOPBACK_XGXS; + /* do PHY loopback at 10G speed, if possible */ + if (lp->req_line_speed[cfx_idx] < SPEED_10000) { + if (lp->speed_cap_mask[cfx_idx] & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) + lp->req_line_speed[cfx_idx] = + SPEED_10000; + else + lp->req_line_speed[cfx_idx] = + SPEED_1000; + } } rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
--
1.7.2.2