20 	struct phy_port *port;  in phy_port_alloc()  local
22 	port = kzalloc_obj(*port);  in phy_port_alloc()
23 	if (!port)  in phy_port_alloc()
26 	linkmode_zero(port->supported);  in phy_port_alloc()
27 	INIT_LIST_HEAD(&port->head);  in phy_port_alloc()
29 	return port;  in phy_port_alloc()
35  * @port: The port to destroy
37 void phy_port_destroy(struct phy_port *port)  in phy_port_destroy()  argument
39 	kfree(port);  in phy_port_destroy()
45  * @dn: device_node representation of the port, following the
54 	struct phy_port *port;  in phy_of_parse_port()  local
88 	port = phy_port_alloc();  in phy_of_parse_port()
89 	if (!port)  in phy_of_parse_port()
92 	port->pairs = pairs;  in phy_of_parse_port()
93 	port->mediums = BIT(medium);  in phy_of_parse_port()
95 	return port;  in phy_of_parse_port()
100  * phy_port_update_supported() - Setup the port->supported field
101  * @port: the port to update
103  * Once the port's medium list and number of pairs has been configured based
105  * called to update the port's supported linkmodes list.
107  * Any mode that was manually set in the port's supported list remains set.
109 void phy_port_update_supported(struct phy_port *port)  in phy_port_update_supported()  argument
118 	if (!port->pairs)  in phy_port_update_supported()
119 		for_each_set_bit(mode, port->supported,  in phy_port_update_supported()
121 			port->pairs = max_t(int, port->pairs,  in phy_port_update_supported()
124 	for_each_set_bit(i, &port->mediums, __ETHTOOL_LINK_MEDIUM_LAST) {  in phy_port_update_supported()
127 		phy_caps_medium_get_supported(med_supported, i, port->pairs);  in phy_port_update_supported()
131 	/* If port->supported is already populated, filter it out with the  in phy_port_update_supported()
133 	 * support as the port's supported list.  in phy_port_update_supported()
135 	if (linkmode_empty(port->supported))  in phy_port_update_supported()
136 		linkmode_copy(port->supported, supported);  in phy_port_update_supported()
138 		linkmode_and(port->supported, supported, port->supported);  in phy_port_update_supported()
144 	if (port->is_mii && !port->mediums) {  in phy_port_update_supported()
148 		for_each_set_bit(interface, port->interfaces,  in phy_port_update_supported()
152 		phy_caps_linkmodes(link_caps, port->supported);  in phy_port_update_supported()
158  * phy_port_filter_supported() - Make sure that port->supported match port->mediums
159  * @port: The port to filter
161  * After updating a port's mediums to a more restricted subset, this helper will
162  * make sure that port->supported only contains linkmodes that are compatible
163  * with port->mediums.
165 static void phy_port_filter_supported(struct phy_port *port)  in phy_port_filter_supported()  argument
170 	for_each_set_bit(i, &port->mediums, __ETHTOOL_LINK_MEDIUM_LAST)  in phy_port_filter_supported()
171 		phy_caps_medium_get_supported(supported, i, port->pairs);  in phy_port_filter_supported()
173 	linkmode_and(port->supported, port->supported, supported);  in phy_port_filter_supported()
177  * phy_port_restrict_mediums - Mask away some of the port's supported mediums
178  * @port: The port to act upon
179  * @mediums: A mask of mediums to support on the port
181  * This helper allows removing some mediums from a port's list of supported
182  * mediums, which occurs once we have enough information about the port to
187 int phy_port_restrict_mediums(struct phy_port *port, unsigned long mediums)  in phy_port_restrict_mediums()  argument
189 	/* We forbid ending-up with a port with empty mediums */  in phy_port_restrict_mediums()
190 	if (!(port->mediums & mediums))  in phy_port_restrict_mediums()
193 	port->mediums &= mediums;  in phy_port_restrict_mediums()
195 	phy_port_filter_supported(port);  in phy_port_restrict_mediums()
202  * phy_port_get_type() - get the PORT_* attribute for that port.
203  * @port: The port we want the information from
207 int phy_port_get_type(struct phy_port *port)  in phy_port_get_type()  argument
209 	if (port->mediums & BIT(ETHTOOL_LINK_MEDIUM_BASET))  in phy_port_get_type()
212 	if (phy_port_is_fiber(port))  in phy_port_get_type()