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Date: Thu, 8 Oct 2015 18:32:48 -0700 From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> To: davem@...emloft.net Cc: Greg Bowers <gregory.j.bowers@...el.com>, netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com> Subject: [net-next 10/16] i40e: Support FW CEE DCB UP to TC map nibble swap From: Greg Bowers <gregory.j.bowers@...el.com> Changes parsing of AQ command Get CEE DCBX OPER CFG (0x0A07). Change is required because FW creates the oper_prio_tc nibbles reversed from those in the CEE Priority Group sub-TLV. Change-ID: I7d9d8641bb430d30e286fc3fac909866ef8a0de8 Signed-off-by: Greg Bowers <gregory.j.bowers@...el.com> Tested-by: Andrew Bowers <andrewx.bowers@...el.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> --- drivers/net/ethernet/intel/i40e/i40e_dcb.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.c b/drivers/net/ethernet/intel/i40e/i40e_dcb.c index fbec7d7..6fa07ef 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_dcb.c +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.c @@ -681,15 +681,18 @@ static void i40e_cee_to_dcb_config( /* CEE PG data to ETS config */ dcbcfg->etscfg.maxtcs = cee_cfg->oper_num_tc; + /* Note that the FW creates the oper_prio_tc nibbles reversed + * from those in the CEE Priority Group sub-TLV. + */ for (i = 0; i < 4; i++) { tc = (u8)((cee_cfg->oper_prio_tc[i] & - I40E_CEE_PGID_PRIO_1_MASK) >> - I40E_CEE_PGID_PRIO_1_SHIFT); - dcbcfg->etscfg.prioritytable[i*2] = tc; - tc = (u8)((cee_cfg->oper_prio_tc[i] & I40E_CEE_PGID_PRIO_0_MASK) >> I40E_CEE_PGID_PRIO_0_SHIFT); - dcbcfg->etscfg.prioritytable[i*2 + 1] = tc; + dcbcfg->etscfg.prioritytable[i * 2] = tc; + tc = (u8)((cee_cfg->oper_prio_tc[i] & + I40E_CEE_PGID_PRIO_1_MASK) >> + I40E_CEE_PGID_PRIO_1_SHIFT); + dcbcfg->etscfg.prioritytable[i * 2 + 1] = tc; } for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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