diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 73 |
1 files changed, 55 insertions, 18 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index d7efc1c..f1256f9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4002,6 +4002,35 @@ static int i40e_pf_wait_txq_disabled(struct i40e_pf *pf) #endif /** + * i40e_get_iscsi_tc_map - Return TC map for iSCSI APP + * @pf: pointer to pf + * + * Get TC map for ISCSI PF type that will include iSCSI TC + * and LAN TC. + **/ +static u8 i40e_get_iscsi_tc_map(struct i40e_pf *pf) +{ + struct i40e_dcb_app_priority_table app; + struct i40e_hw *hw = &pf->hw; + u8 enabled_tc = 1; /* TC0 is always enabled */ + u8 tc, i; + /* Get the iSCSI APP TLV */ + struct i40e_dcbx_config *dcbcfg = &hw->local_dcbx_config; + + for (i = 0; i < dcbcfg->numapps; i++) { + app = dcbcfg->app[i]; + if (app.selector == I40E_APP_SEL_TCPIP && + app.protocolid == I40E_APP_PROTOID_ISCSI) { + tc = dcbcfg->etscfg.prioritytable[app.priority]; + enabled_tc |= (1 << tc); + break; + } + } + + return enabled_tc; +} + +/** * i40e_dcb_get_num_tc - Get the number of TCs from DCBx config * @dcbcfg: the corresponding DCBx configuration structure * @@ -4064,18 +4093,23 @@ static u8 i40e_pf_get_num_tc(struct i40e_pf *pf) if (!(pf->flags & I40E_FLAG_DCB_ENABLED)) return 1; + /* SFP mode will be enabled for all TCs on port */ + if (!(pf->flags & I40E_FLAG_MFP_ENABLED)) + return i40e_dcb_get_num_tc(dcbcfg); + /* MFP mode return count of enabled TCs for this PF */ - if (pf->flags & I40E_FLAG_MFP_ENABLED) { + if (pf->hw.func_caps.iscsi) + enabled_tc = i40e_get_iscsi_tc_map(pf); + else enabled_tc = pf->hw.func_caps.enabled_tcmap; - for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { - if (enabled_tc & (1 << i)) - num_tc++; - } - return num_tc; - } - /* SFP mode will be enabled for all TCs on port */ - return i40e_dcb_get_num_tc(dcbcfg); + /* At least have TC0 */ + enabled_tc = (enabled_tc ? enabled_tc : 0x1); + for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { + if (enabled_tc & (1 << i)) + num_tc++; + } + return num_tc; } /** @@ -4113,12 +4147,15 @@ static u8 i40e_pf_get_tc_map(struct i40e_pf *pf) if (!(pf->flags & I40E_FLAG_DCB_ENABLED)) return i40e_pf_get_default_tc(pf); - /* MFP mode will have enabled TCs set by FW */ - if (pf->flags & I40E_FLAG_MFP_ENABLED) - return pf->hw.func_caps.enabled_tcmap; - /* SFP mode we want PF to be enabled for all TCs */ - return i40e_dcb_get_enabled_tc(&pf->hw.local_dcbx_config); + if (!(pf->flags & I40E_FLAG_MFP_ENABLED)) + return i40e_dcb_get_enabled_tc(&pf->hw.local_dcbx_config); + + /* MPF enabled and iSCSI PF type */ + if (pf->hw.func_caps.iscsi) + return i40e_get_iscsi_tc_map(pf); + else + return pf->hw.func_caps.enabled_tcmap; } /** @@ -4508,9 +4545,6 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf) struct i40e_hw *hw = &pf->hw; int err = 0; - if (pf->hw.func_caps.npar_enable) - goto out; - /* Get the initial DCB configuration */ err = i40e_init_dcb(hw); if (!err) { @@ -7784,7 +7818,8 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) enabled_tc = i40e_pf_get_tc_map(pf); /* MFP mode setup queue map and update VSI */ - if (pf->flags & I40E_FLAG_MFP_ENABLED) { + if ((pf->flags & I40E_FLAG_MFP_ENABLED) && + !(pf->hw.func_caps.iscsi)) { /* NIC type PF */ memset(&ctxt, 0, sizeof(ctxt)); ctxt.seid = pf->main_vsi_seid; ctxt.pf_num = pf->hw.pf_id; @@ -7805,6 +7840,8 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) /* Default/Main VSI is only enabled for TC0 * reconfigure it to enable all TCs that are * available on the port in SFP mode. + * For MFP case the iSCSI PF would use this + * flow to enable LAN+iSCSI TC. */ ret = i40e_vsi_config_tc(vsi, enabled_tc); if (ret) { |