1 /*************************************************************************
2 Copyright (c) 2003-2007 Cavium Networks (support@cavium.com). All rights
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are
10 * Redistributions of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
13 * Redistributions in binary form must reproduce the above
14 copyright notice, this list of conditions and the following
15 disclaimer in the documentation and/or other materials provided
16 with the distribution.
18 * Neither the name of Cavium Networks nor the names of
19 its contributors may be used to endorse or promote products
20 derived from this software without specific prior written
23 This Software, including technical data, may be subject to U.S. export control laws, including the U.S. Export Administration Act and its associated regulations, and may be subject to export or import regulations in other countries.
25 TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
26 AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
28 *************************************************************************/
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/systm.h>
36 #include <sys/endian.h>
37 #include <sys/kernel.h>
39 #include <sys/socket.h>
41 #include <net/ethernet.h>
44 #include "wrapper-cvmx-includes.h"
45 #include "ethernet-headers.h"
47 static uint64_t cvm_oct_mac_addr = 0;
48 static uint32_t cvm_oct_mac_addr_offset = 0;
51 * Set the multicast list. Currently unimplemented.
53 * @param dev Device to work on
55 void cvm_oct_common_set_multicast_list(struct ifnet *ifp)
57 cvmx_gmxx_prtx_cfg_t gmx_cfg;
58 cvm_oct_private_t *priv = (cvm_oct_private_t *)ifp->if_softc;
59 int interface = INTERFACE(priv->port);
60 int index = INDEX(priv->port);
62 if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != CVMX_HELPER_INTERFACE_MODE_SPI)) {
63 cvmx_gmxx_rxx_adr_ctl_t control;
65 control.s.bcst = 1; /* Allow broadcast MAC addresses */
67 if (/*ifp->mc_list || */(ifp->if_flags&IFF_ALLMULTI) ||
68 (ifp->if_flags & IFF_PROMISC))
69 control.s.mcst = 2; /* Force accept multicast packets */
71 control.s.mcst = 1; /* Force reject multicat packets */
73 if (ifp->if_flags & IFF_PROMISC)
74 control.s.cam_mode = 0; /* Reject matches if promisc. Since CAM is shut off, should accept everything */
76 control.s.cam_mode = 1; /* Filter packets based on the CAM */
78 gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
79 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64 & ~1ull);
81 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CTL(index, interface), control.u64);
82 if (ifp->if_flags&IFF_PROMISC)
83 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM_EN(index, interface), 0);
85 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM_EN(index, interface), 1);
87 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
93 * Assign a MAC addres from the pool of available MAC addresses
94 * Can return as either a 64-bit value and/or 6 octets.
96 * @param macp Filled in with the assigned address if non-NULL
97 * @param octets Filled in with the assigned address if non-NULL
98 * @return Zero on success
100 int cvm_assign_mac_address(uint64_t *macp, uint8_t *octets)
102 /* Initialize from global MAC address base; fail if not set */
103 if (cvm_oct_mac_addr == 0) {
104 memcpy((uint8_t *)&cvm_oct_mac_addr + 2,
105 cvmx_sysinfo_get()->mac_addr_base, 6);
107 if (cvm_oct_mac_addr == 0)
110 cvm_oct_mac_addr_offset = cvmx_mgmt_port_num_ports();
111 cvm_oct_mac_addr += cvm_oct_mac_addr_offset;
114 if (cvm_oct_mac_addr_offset >= cvmx_sysinfo_get()->mac_addr_count)
115 return ENXIO; /* Out of addresses to assign */
118 *macp = cvm_oct_mac_addr;
120 memcpy(octets, (u_int8_t *)&cvm_oct_mac_addr + 2, 6);
123 cvm_oct_mac_addr_offset++;
129 * Set the hardware MAC address for a device
131 * @param dev Device to change the MAC address for
132 * @param addr Address structure to change it too.
134 void cvm_oct_common_set_mac_address(struct ifnet *ifp, const void *addr)
136 cvm_oct_private_t *priv = (cvm_oct_private_t *)ifp->if_softc;
137 cvmx_gmxx_prtx_cfg_t gmx_cfg;
138 int interface = INTERFACE(priv->port);
139 int index = INDEX(priv->port);
141 memcpy(priv->mac, addr, 6);
143 if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != CVMX_HELPER_INTERFACE_MODE_SPI)) {
145 const uint8_t *ptr = addr;
147 for (i = 0; i < 6; i++)
148 mac = (mac<<8) | (uint64_t)(ptr[i]);
150 gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
151 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64 & ~1ull);
153 cvmx_write_csr(CVMX_GMXX_SMACX(index, interface), mac);
154 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM0(index, interface), ptr[0]);
155 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM1(index, interface), ptr[1]);
156 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM2(index, interface), ptr[2]);
157 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM3(index, interface), ptr[3]);
158 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM4(index, interface), ptr[4]);
159 cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM5(index, interface), ptr[5]);
160 cvm_oct_common_set_multicast_list(ifp);
161 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
167 * Change the link MTU. Unimplemented
169 * @param dev Device to change
170 * @param new_mtu The new MTU
171 * @return Zero on success
173 int cvm_oct_common_change_mtu(struct ifnet *ifp, int new_mtu)
175 cvm_oct_private_t *priv = (cvm_oct_private_t *)ifp->if_softc;
176 int interface = INTERFACE(priv->port);
177 int index = INDEX(priv->port);
180 /* Limit the MTU to make sure the ethernet packets are between 64 bytes
182 if ((new_mtu + 14 + 4 + vlan_bytes < 64) || (new_mtu + 14 + 4 + vlan_bytes > 65392)) {
183 printf("MTU must be between %d and %d.\n", 64-14-4-vlan_bytes, 65392-14-4-vlan_bytes);
186 ifp->if_mtu = new_mtu;
188 if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != CVMX_HELPER_INTERFACE_MODE_SPI)) {
189 int max_packet = new_mtu + 14 + 4 + vlan_bytes; /* Add ethernet header and FCS, and VLAN if configured. */
191 if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN58XX)) {
192 /* Signal errors on packets larger than the MTU */
193 cvmx_write_csr(CVMX_GMXX_RXX_FRM_MAX(index, interface), max_packet);
195 /* Set the hardware to truncate packets larger than the MTU and
196 smaller the 64 bytes */
197 cvmx_pip_frm_len_chkx_t frm_len_chk;
199 frm_len_chk.s.minlen = 64;
200 frm_len_chk.s.maxlen = max_packet;
201 cvmx_write_csr(CVMX_PIP_FRM_LEN_CHKX(interface), frm_len_chk.u64);
203 /* Set the hardware to truncate packets larger than the MTU. The
204 jabber register must be set to a multiple of 8 bytes, so round up */
205 cvmx_write_csr(CVMX_GMXX_RXX_JABBER(index, interface), (max_packet + 7) & ~7u);
214 int cvm_oct_common_open(struct ifnet *ifp)
216 cvmx_gmxx_prtx_cfg_t gmx_cfg;
217 cvm_oct_private_t *priv = (cvm_oct_private_t *)ifp->if_softc;
218 int interface = INTERFACE(priv->port);
219 int index = INDEX(priv->port);
220 cvmx_helper_link_info_t link_info;
222 gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
224 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
227 * Set the link state unless we are using MII.
229 if (cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_SIM && priv->miibus == NULL) {
230 link_info = cvmx_helper_link_get(priv->port);
231 if (!link_info.s.link_up)
232 if_link_state_change(ifp, LINK_STATE_DOWN);
234 if_link_state_change(ifp, LINK_STATE_UP);
244 int cvm_oct_common_stop(struct ifnet *ifp)
246 cvmx_gmxx_prtx_cfg_t gmx_cfg;
247 cvm_oct_private_t *priv = (cvm_oct_private_t *)ifp->if_softc;
248 int interface = INTERFACE(priv->port);
249 int index = INDEX(priv->port);
251 gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
253 cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
258 * Poll for link status change.
260 void cvm_oct_common_poll(struct ifnet *ifp)
262 cvm_oct_private_t *priv = (cvm_oct_private_t *)ifp->if_softc;
263 cvmx_helper_link_info_t link_info;
266 * If this is a simulation, do nothing.
268 if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM)
272 * If there is a device-specific poll method, use it.
274 if (priv->poll != NULL) {
280 * If an MII bus is attached, don't use the Simple Executive's link
283 if (priv->miibus != NULL)
287 * Use the Simple Executive's link state routines.
289 link_info = cvmx_helper_link_get(priv->port);
290 if (link_info.u64 == priv->link_info)
293 link_info = cvmx_helper_link_autoconf(priv->port);
294 priv->link_info = link_info.u64;
295 priv->need_link_update = 1;
300 * Per network device initialization
302 * @param dev Device to initialize
303 * @return Zero on success
305 int cvm_oct_common_init(struct ifnet *ifp)
308 cvm_oct_private_t *priv = (cvm_oct_private_t *)ifp->if_softc;
310 if (cvm_assign_mac_address(NULL, mac) != 0)
313 ifp->if_mtu = ETHERMTU;
315 cvm_oct_mdio_setup_device(ifp);
317 cvm_oct_common_set_mac_address(ifp, mac);
318 cvm_oct_common_change_mtu(ifp, ifp->if_mtu);
321 * Do any last-minute board-specific initialization.
323 switch (cvmx_sysinfo_get()->board_type) {
324 #if defined(OCTEON_VENDOR_LANNER)
325 case CVMX_BOARD_TYPE_CUST_LANNER_MR320:
326 case CVMX_BOARD_TYPE_CUST_LANNER_MR321X:
327 if (priv->phy_id == 16)
328 cvm_oct_mv88e61xx_setup_device(ifp);
335 device_attach(priv->dev);
340 void cvm_oct_common_uninit(struct ifnet *ifp)
342 /* Currently nothing to do */