aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ixgbe/ixgbe_dcb_nl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_dcb_nl.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb_nl.c356
1 files changed, 356 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
new file mode 100644
index 000000000000..50bff2af6b04
--- /dev/null
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -0,0 +1,356 @@
1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2008 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29#include "ixgbe.h"
30#include <linux/dcbnl.h>
31
32/* Callbacks for DCB netlink in the kernel */
33#define BIT_DCB_MODE 0x01
34#define BIT_PFC 0x02
35#define BIT_PG_RX 0x04
36#define BIT_PG_TX 0x08
37
38int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
39 struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max)
40{
41 struct tc_configuration *src_tc_cfg = NULL;
42 struct tc_configuration *dst_tc_cfg = NULL;
43 int i;
44
45 if (!src_dcb_cfg || !dst_dcb_cfg)
46 return -EINVAL;
47
48 for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
49 src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
50 dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
51
52 dst_tc_cfg->path[DCB_TX_CONFIG].prio_type =
53 src_tc_cfg->path[DCB_TX_CONFIG].prio_type;
54
55 dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id =
56 src_tc_cfg->path[DCB_TX_CONFIG].bwg_id;
57
58 dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent =
59 src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent;
60
61 dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap =
62 src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap;
63
64 dst_tc_cfg->path[DCB_RX_CONFIG].prio_type =
65 src_tc_cfg->path[DCB_RX_CONFIG].prio_type;
66
67 dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id =
68 src_tc_cfg->path[DCB_RX_CONFIG].bwg_id;
69
70 dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent =
71 src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent;
72
73 dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap =
74 src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap;
75 }
76
77 for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) {
78 dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG]
79 [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
80 [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
81 dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG]
82 [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
83 [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
84 }
85
86 for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) {
87 dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc =
88 src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc;
89 }
90
91 return 0;
92}
93
94static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
95{
96 struct ixgbe_adapter *adapter = netdev_priv(netdev);
97
98 DPRINTK(DRV, INFO, "Get DCB Admin Mode.\n");
99
100 return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
101}
102
103static u16 ixgbe_dcb_select_queue(struct net_device *dev, struct sk_buff *skb)
104{
105 /* All traffic should default to class 0 */
106 return 0;
107}
108
109static void ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
110{
111 struct ixgbe_adapter *adapter = netdev_priv(netdev);
112
113 DPRINTK(DRV, INFO, "Set DCB Admin Mode.\n");
114
115 if (state > 0) {
116 /* Turn on DCB */
117 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
118 return;
119 } else {
120 if (netif_running(netdev))
121 netdev->stop(netdev);
122 ixgbe_reset_interrupt_capability(adapter);
123 ixgbe_napi_del_all(adapter);
124 kfree(adapter->tx_ring);
125 kfree(adapter->rx_ring);
126 adapter->tx_ring = NULL;
127 adapter->rx_ring = NULL;
128 netdev->select_queue = &ixgbe_dcb_select_queue;
129
130 adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
131 adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
132 ixgbe_init_interrupt_scheme(adapter);
133 ixgbe_napi_add_all(adapter);
134 if (netif_running(netdev))
135 netdev->open(netdev);
136 }
137 } else {
138 /* Turn off DCB */
139 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
140 if (netif_running(netdev))
141 netdev->stop(netdev);
142 ixgbe_reset_interrupt_capability(adapter);
143 ixgbe_napi_del_all(adapter);
144 kfree(adapter->tx_ring);
145 kfree(adapter->rx_ring);
146 adapter->tx_ring = NULL;
147 adapter->rx_ring = NULL;
148 netdev->select_queue = NULL;
149
150 adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
151 adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
152 ixgbe_init_interrupt_scheme(adapter);
153 ixgbe_napi_add_all(adapter);
154 if (netif_running(netdev))
155 netdev->open(netdev);
156 } else {
157 return;
158 }
159 }
160}
161
162static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
163 u8 *perm_addr)
164{
165 struct ixgbe_adapter *adapter = netdev_priv(netdev);
166 int i;
167
168 for (i = 0; i < netdev->addr_len; i++)
169 perm_addr[i] = adapter->hw.mac.perm_addr[i];
170}
171
172static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc,
173 u8 prio, u8 bwg_id, u8 bw_pct,
174 u8 up_map)
175{
176 struct ixgbe_adapter *adapter = netdev_priv(netdev);
177
178 if (prio != DCB_ATTR_VALUE_UNDEFINED)
179 adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio;
180 if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
181 adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id;
182 if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
183 adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent =
184 bw_pct;
185 if (up_map != DCB_ATTR_VALUE_UNDEFINED)
186 adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap =
187 up_map;
188
189 if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type !=
190 adapter->dcb_cfg.tc_config[tc].path[0].prio_type) ||
191 (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id !=
192 adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) ||
193 (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent !=
194 adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) ||
195 (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
196 adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap))
197 adapter->dcb_set_bitmap |= BIT_PG_TX;
198}
199
200static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
201 u8 bw_pct)
202{
203 struct ixgbe_adapter *adapter = netdev_priv(netdev);
204
205 adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct;
206
207 if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] !=
208 adapter->dcb_cfg.bw_percentage[0][bwg_id])
209 adapter->dcb_set_bitmap |= BIT_PG_RX;
210}
211
212static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
213 u8 prio, u8 bwg_id, u8 bw_pct,
214 u8 up_map)
215{
216 struct ixgbe_adapter *adapter = netdev_priv(netdev);
217
218 if (prio != DCB_ATTR_VALUE_UNDEFINED)
219 adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio;
220 if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
221 adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id;
222 if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
223 adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent =
224 bw_pct;
225 if (up_map != DCB_ATTR_VALUE_UNDEFINED)
226 adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap =
227 up_map;
228
229 if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type !=
230 adapter->dcb_cfg.tc_config[tc].path[1].prio_type) ||
231 (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id !=
232 adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) ||
233 (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent !=
234 adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) ||
235 (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
236 adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap))
237 adapter->dcb_set_bitmap |= BIT_PG_RX;
238}
239
240static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
241 u8 bw_pct)
242{
243 struct ixgbe_adapter *adapter = netdev_priv(netdev);
244
245 adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct;
246
247 if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] !=
248 adapter->dcb_cfg.bw_percentage[1][bwg_id])
249 adapter->dcb_set_bitmap |= BIT_PG_RX;
250}
251
252static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc,
253 u8 *prio, u8 *bwg_id, u8 *bw_pct,
254 u8 *up_map)
255{
256 struct ixgbe_adapter *adapter = netdev_priv(netdev);
257
258 *prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type;
259 *bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id;
260 *bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent;
261 *up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap;
262}
263
264static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
265 u8 *bw_pct)
266{
267 struct ixgbe_adapter *adapter = netdev_priv(netdev);
268
269 *bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id];
270}
271
272static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc,
273 u8 *prio, u8 *bwg_id, u8 *bw_pct,
274 u8 *up_map)
275{
276 struct ixgbe_adapter *adapter = netdev_priv(netdev);
277
278 *prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type;
279 *bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id;
280 *bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent;
281 *up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap;
282}
283
284static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
285 u8 *bw_pct)
286{
287 struct ixgbe_adapter *adapter = netdev_priv(netdev);
288
289 *bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id];
290}
291
292static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
293 u8 setting)
294{
295 struct ixgbe_adapter *adapter = netdev_priv(netdev);
296
297 adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
298 if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
299 adapter->dcb_cfg.tc_config[priority].dcb_pfc)
300 adapter->dcb_set_bitmap |= BIT_PFC;
301}
302
303static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
304 u8 *setting)
305{
306 struct ixgbe_adapter *adapter = netdev_priv(netdev);
307
308 *setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc;
309}
310
311static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
312{
313 struct ixgbe_adapter *adapter = netdev_priv(netdev);
314 int ret;
315
316 if (!adapter->dcb_set_bitmap)
317 return 1;
318
319 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
320 msleep(1);
321
322 if (netif_running(netdev))
323 ixgbe_down(adapter);
324
325 ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
326 adapter->ring_feature[RING_F_DCB].indices);
327 if (ret) {
328 clear_bit(__IXGBE_RESETTING, &adapter->state);
329 return ret;
330 }
331
332 if (netif_running(netdev))
333 ixgbe_up(adapter);
334
335 adapter->dcb_set_bitmap = 0x00;
336 clear_bit(__IXGBE_RESETTING, &adapter->state);
337 return ret;
338}
339
340struct dcbnl_rtnl_ops dcbnl_ops = {
341 .getstate = ixgbe_dcbnl_get_state,
342 .setstate = ixgbe_dcbnl_set_state,
343 .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr,
344 .setpgtccfgtx = ixgbe_dcbnl_set_pg_tc_cfg_tx,
345 .setpgbwgcfgtx = ixgbe_dcbnl_set_pg_bwg_cfg_tx,
346 .setpgtccfgrx = ixgbe_dcbnl_set_pg_tc_cfg_rx,
347 .setpgbwgcfgrx = ixgbe_dcbnl_set_pg_bwg_cfg_rx,
348 .getpgtccfgtx = ixgbe_dcbnl_get_pg_tc_cfg_tx,
349 .getpgbwgcfgtx = ixgbe_dcbnl_get_pg_bwg_cfg_tx,
350 .getpgtccfgrx = ixgbe_dcbnl_get_pg_tc_cfg_rx,
351 .getpgbwgcfgrx = ixgbe_dcbnl_get_pg_bwg_cfg_rx,
352 .setpfccfg = ixgbe_dcbnl_set_pfc_cfg,
353 .getpfccfg = ixgbe_dcbnl_get_pfc_cfg,
354 .setall = ixgbe_dcbnl_set_all
355};
356
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-19 14:43:56 -0500