Lines Matching +full:function +full:- +full:mask
1 // SPDX-License-Identifier: GPL-2.0
54 /* ksz_supported_apptrust[] - Supported apptrust selectors and Priority Order
58 * the index within the array indicates the priority of the selector - lower
65 * non-configurable precedence where certain types of priority information
68 * 1. Tail Tag - Highest priority, overrides ACL, VLAN PCP, and DSCP priorities.
69 * 2. ACL - Overrides VLAN PCP and DSCP priorities.
70 * 3. VLAN PCP - Overrides DSCP priority.
71 * 4. DSCP - Lowest priority, does not override any other priority source.
77 * DCB_APP_SEL_PCP - Priority Code Point selector
78 * IEEE_8021QAZ_APP_SEL_DSCP - Differentiated Services Code Point selector
90 u8 *mask, int *shift) in ksz_get_default_port_prio_reg() argument
94 *mask = KSZ8_PORT_BASED_PRIO_M; in ksz_get_default_port_prio_reg()
98 *mask = KSZ9477_PORT_BASED_PRIO_M; in ksz_get_default_port_prio_reg()
104 * ksz_get_dscp_prio_reg - Retrieves the DSCP-to-priority-mapping register
108 * @mask: Pointer to the mask to be set
110 * This function retrieves the DSCP to priority mapping register, the number of
111 * DSCP values per register, and the mask to be set.
114 int *per_reg, u8 *mask) in ksz_get_dscp_prio_reg() argument
119 *mask = GENMASK(1, 0); in ksz_get_dscp_prio_reg()
123 *mask = GENMASK(1, 0); in ksz_get_dscp_prio_reg()
127 *mask = GENMASK(2, 0); in ksz_get_dscp_prio_reg()
132 * ksz_get_apptrust_map_and_reg - Retrieves the apptrust map and register
136 * @mask: Pointer to the mask to be set
138 * This function retrieves the apptrust map and register address for the
143 int *reg, u8 *mask) in ksz_get_apptrust_map_and_reg() argument
148 *mask = KSZ8_PORT_DIFFSERV_ENABLE | KSZ8_PORT_802_1P_ENABLE; in ksz_get_apptrust_map_and_reg()
152 *mask = KSZ9477_PORT_802_1P_PRIO_ENABLE | in ksz_get_apptrust_map_and_reg()
158 * ksz_port_get_default_prio - Retrieves the default priority for a port on a
163 * This function fetches the default priority for the specified port on a KSZ
171 struct ksz_device *dev = ds->priv; in ksz_port_get_default_prio()
173 u8 data, mask; in ksz_port_get_default_prio() local
175 ksz_get_default_port_prio_reg(dev, ®, &mask, &shift); in ksz_port_get_default_prio()
181 return (data & mask) >> shift; in ksz_port_get_default_prio()
185 * ksz88x3_port_set_default_prio_quirks - Quirks for default priority
190 * This function implements quirks for setting the default priority on KSZ88x3
207 dev_err(dev->dev, "Port priority configuration is not working on Port 2\n"); in ksz88x3_port_set_default_prio_quirks()
208 return -EINVAL; in ksz88x3_port_set_default_prio_quirks()
219 …dev_err(dev->dev, "Not possible to configure port priority on Port 1 if PCP apptrust on Port 2 is … in ksz88x3_port_set_default_prio_quirks()
220 return -EINVAL; in ksz88x3_port_set_default_prio_quirks()
228 * ksz_port_set_default_prio - Sets the default priority for a port on a KSZ
234 * This function sets the default priority for the specified port on a KSZ
241 struct ksz_device *dev = ds->priv; in ksz_port_set_default_prio()
243 u8 mask; in ksz_port_set_default_prio() local
245 if (prio >= dev->info->num_ipms) in ksz_port_set_default_prio()
246 return -EINVAL; in ksz_port_set_default_prio()
254 ksz_get_default_port_prio_reg(dev, ®, &mask, &shift); in ksz_port_set_default_prio()
256 return ksz_prmw8(dev, port, reg, mask, (prio << shift) & mask); in ksz_port_set_default_prio()
260 * ksz_port_get_dscp_prio - Retrieves the priority for a DSCP value on a KSZ
266 * This function fetches the priority value from switch global DSCP-to-priorty
274 struct ksz_device *dev = ds->priv; in ksz_port_get_dscp_prio()
276 u8 data, mask; in ksz_port_get_dscp_prio() local
278 ksz_get_dscp_prio_reg(dev, ®, &per_reg, &mask); in ksz_port_get_dscp_prio()
280 /* If DSCP remapping is disabled, DSCP bits 3-5 are used as Internal in ksz_port_get_dscp_prio()
288 /* If DSCP remapping is disabled, DSCP bits 3-5 are used as in ksz_port_get_dscp_prio()
306 return (data >> shift) & mask; in ksz_port_get_dscp_prio()
310 * ksz_set_global_dscp_entry - Sets the global DSCP-to-priority mapping entry
315 * This function sets the global DSCP-to-priority mapping entry for the
323 u8 mask; in ksz_set_global_dscp_entry() local
325 ksz_get_dscp_prio_reg(dev, ®, &per_reg, &mask); in ksz_set_global_dscp_entry()
329 return ksz_rmw8(dev, reg + (dscp / per_reg), mask << shift, in ksz_set_global_dscp_entry()
334 * ksz_init_global_dscp_map - Initializes the global DSCP-to-priority mapping
337 * This function initializes the global DSCP-to-priority mapping table for the
375 ipm = ieee8021q_tt_to_tc(tt, dev->info->num_tx_queues); in ksz_init_global_dscp_map()
388 * ksz_port_add_dscp_prio - Adds a DSCP-to-priority mapping entry for a port on
391 * @port: Port number for which to add the DSCP-to-priority mapping entry
399 struct ksz_device *dev = ds->priv; in ksz_port_add_dscp_prio()
401 if (prio >= dev->info->num_ipms) in ksz_port_add_dscp_prio()
402 return -ERANGE; in ksz_port_add_dscp_prio()
408 * ksz_port_del_dscp_prio - Deletes a DSCP-to-priority mapping entry for a port
411 * @port: Port number for which to delete the DSCP-to-priority mapping entry
419 struct ksz_device *dev = ds->priv; in ksz_port_del_dscp_prio()
427 dev->info->num_tx_queues); in ksz_port_del_dscp_prio()
438 * ksz_apptrust_error - Prints an error message for an invalid apptrust selector
441 * This function prints an error message when an invalid apptrust selector is
459 dev_err(dev->dev, "Invalid apptrust selector or priority order. Supported: %s\n", in ksz_apptrust_error()
464 * ksz_port_set_apptrust_validate - Validates the apptrust selectors
470 * This function validates the apptrust selectors provided and ensures that
476 * 1. DCB_APP_SEL_PCP - Priority Code Point selector (highest priority)
477 * 2. IEEE_8021QAZ_APP_SEL_DSCP - Differentiated Services Code Point selector
518 return -EINVAL; in ksz_port_set_apptrust_validate()
522 * ksz88x3_port1_apptrust_quirk - Quirk for apptrust configuration on Port 1
529 * This function implements a quirk for apptrust configuration on Port 1 of
568 …dev_err(dev->dev, "Not possible to enable any apptrust on Port 1 if PCP apptrust on Port 2 is disa… in ksz88x3_port1_apptrust_quirk()
569 return -EINVAL; in ksz88x3_port1_apptrust_quirk()
576 * ksz88x3_port2_apptrust_quirk - Quirk for apptrust configuration on Port 2
583 * This function implements a quirk for apptrust configuration on Port 2 of
593 struct dsa_switch *ds = dev->ds; in ksz88x3_port2_apptrust_quirk()
601 dev_err(dev->dev, "DSCP apptrust is not working on Port 2\n"); in ksz88x3_port2_apptrust_quirk()
602 return -EINVAL; in ksz88x3_port2_apptrust_quirk()
609 return ksz8_all_queues_split(dev, dev->info->num_tx_queues); in ksz88x3_port2_apptrust_quirk()
623 dev_err(dev->dev, "Not possible to disable PCP on Port 2 if any apptrust is enabled on Port 1\n"); in ksz88x3_port2_apptrust_quirk()
624 return -EINVAL; in ksz88x3_port2_apptrust_quirk()
634 …dev_err(dev->dev, "Not possible to disable PCP on Port 2 if non zero default priority is set on Po… in ksz88x3_port2_apptrust_quirk()
635 return -EINVAL; in ksz88x3_port2_apptrust_quirk()
646 * ksz88x3_port_apptrust_quirk - Quirk for apptrust configuration on KSZ88x3
653 * This function implements a quirk for apptrust configuration on KSZ88x3
671 * ksz_port_set_apptrust - Sets the apptrust selectors for a port on a KSZ
678 * This function sets the apptrust selectors for the specified port on a KSZ
687 struct ksz_device *dev = ds->priv; in ksz_port_set_apptrust()
690 u8 mask; in ksz_port_set_apptrust() local
696 ksz_get_apptrust_map_and_reg(dev, &map, ®, &mask); in ksz_port_set_apptrust()
716 return ksz_prmw8(dev, port, reg, mask, data); in ksz_port_set_apptrust()
720 * ksz_port_get_apptrust - Retrieves the apptrust selectors for a port on a KSZ
727 * This function fetches the apptrust selectors for the specified port on a KSZ
735 struct ksz_device *dev = ds->priv; in ksz_port_get_apptrust()
738 u8 mask; in ksz_port_get_apptrust() local
740 ksz_get_apptrust_map_and_reg(dev, &map, ®, &mask); in ksz_port_get_apptrust()
756 * ksz_dcb_init_port - Initializes the DCB configuration for a port on a KSZ
760 * This function initializes the DCB configuration for the specified port on a
775 dev->info->num_tx_queues); in ksz_dcb_init_port()
783 ret = ksz_port_set_default_prio(dev->ds, port, ipm); in ksz_dcb_init_port()
787 return ksz_port_set_apptrust(dev->ds, port, ksz_default_apptrust, in ksz_dcb_init_port()
792 * ksz_dcb_init - Initializes the DCB configuration for a KSZ switch
795 * This function initializes the DCB configuration for a KSZ switch. The global
796 * DSCP-to-priority mapping table is initialized.