1 /*******************************************************************************
2 SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 Copyright (c) 2006-2013, Myricom Inc.
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
10 1. Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
13 2. Neither the name of the Myricom Inc, nor the names of its
14 contributors may be used to endorse or promote products derived from
15 this software without specific prior written permission.
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 POSSIBILITY OF SUCH DAMAGE.
31 ***************************************************************************/
33 #define MXGE_ETH_STOPPED 0
34 #define MXGE_ETH_STOPPING 1
35 #define MXGE_ETH_STARTING 2
36 #define MXGE_ETH_RUNNING 3
37 #define MXGE_ETH_OPEN_FAILED 4
39 #define MXGE_FW_OFFSET 1024*1024
40 #define MXGE_EEPROM_STRINGS_SIZE 256
41 #define MXGE_MAX_SEND_DESC 128
43 #if ((__FreeBSD_version > 800000 && __FreeBSD_version < 800005) \
44 || __FreeBSD_version < 700111)
45 #define MXGE_VIRT_JUMBOS 1
47 #define MXGE_VIRT_JUMBOS 0
50 #if (__FreeBSD_version > 800082)
51 #define IFNET_BUF_RING 1
54 #if (__FreeBSD_version < 1000020)
58 #define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */
59 #define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
60 #define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
63 #ifndef VLAN_CAPABILITIES
64 #define VLAN_CAPABILITIES(ifp)
65 #define mxge_vlans_active(sc) (sc)->ifp->if_nvlans
67 #define mxge_vlans_active(sc) (sc)->ifp->if_vlantrunk
70 #ifndef VLAN_TAG_VALUE
71 #define MXGE_NEW_VLAN_API
90 #ifndef IFCAP_TXCSUM_IPV6
91 #define IFCAP_TXCSUM_IPV6 0
94 #ifndef IFCAP_RXCSUM_IPV6
95 #define IFCAP_RXCSUM_IPV6 0
102 #ifndef CSUM_TCP_IPV6
103 #define CSUM_TCP_IPV6 0
106 #ifndef CSUM_UDP_IPV6
107 #define CSUM_UDP_IPV6 0
110 #ifndef CSUM_DELAY_DATA_IPV6
111 #define CSUM_DELAY_DATA_IPV6 0
137 struct mxge_rx_buffer_state {
142 struct mxge_tx_buffer_state {
150 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */
151 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */
152 struct mxge_rx_buffer_state *info;
154 bus_dmamap_t extra_map;
159 int mask; /* number of rx slots -1 */
166 #ifdef IFNET_BUF_RING
169 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */
170 volatile uint32_t *send_go; /* doorbell for sendq */
171 volatile uint32_t *send_stop; /* doorbell for sendq */
172 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */
174 bus_dma_segment_t *seg_list;
175 struct mxge_tx_buffer_state *info;
177 int req; /* transmits submitted */
178 int mask; /* number of transmit slots -1 */
179 int done; /* transmits completed */
180 int pkt_done; /* packets completed */
181 int max_desc; /* max descriptors per xmit */
182 int queue_active; /* fw currently polling this queue*/
185 int stall; /* #times hw queue exhausted */
186 int wake; /* #times irq re-enabled xmit */
187 int watchdog_req; /* cache of req */
188 int watchdog_done; /* cache of done */
189 int watchdog_rx_pause; /* cache of pause rq recvd */
195 typedef struct mxge_softc mxge_softc_t;
197 struct mxge_slice_state {
199 mxge_tx_ring_t tx; /* transmit ring */
200 mxge_rx_ring_t rx_small;
201 mxge_rx_ring_t rx_big;
202 mxge_rx_done_t rx_done;
203 mcp_irq_data_t *fw_stats;
204 volatile uint32_t *irq_claim;
212 mxge_dma_t fw_stats_dma;
213 struct sysctl_oid *sysctl_tree;
214 struct sysctl_ctx_list sysctl_ctx;
220 struct mxge_slice_state *ss;
221 int tx_boundary; /* boundary transmits cannot cross*/
223 bus_dma_tag_t parent_dmat;
224 volatile uint8_t *sram;
226 volatile uint32_t *irq_deassert;
227 mcp_cmd_response_t *cmd;
229 mxge_dma_t zeropad_dma;
230 struct pci_dev *pdev;
233 unsigned int rdma_tags_available;
235 volatile uint32_t *intr_coal_delay_ptr;
238 struct mtx driver_mtx;
243 int watchdog_countdown;
245 struct resource *mem_res;
246 struct resource *irq_res;
247 struct resource **msix_irq_res;
248 struct resource *msix_table_res;
249 struct resource *msix_pba_res;
253 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE];
254 char fw_version[128];
258 int adopted_rx_filter_bug;
260 struct ifmedia media;
264 int fw_multicast_support;
270 int need_media_probe;
277 mxge_dma_t dmabench_dma;
278 struct callout co_hdl;
279 struct taskqueue *tq;
280 struct task watchdog_task;
281 struct sysctl_oid *slice_sysctl_tree;
282 struct sysctl_ctx_list slice_sysctl_ctx;
283 char *mac_addr_string;
284 uint8_t mac_addr[6]; /* eeprom mac address */
285 uint16_t pectl; /* save PCIe CTL state */
286 char product_code_string[64];
287 char serial_number_string[64];
288 char cmd_mtx_name[16];
289 char driver_mtx_name[16];
292 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1
293 #define MXGE_PCI_DEVICE_Z8E 0x0008
294 #define MXGE_PCI_DEVICE_Z8E_9 0x0009
295 #define MXGE_PCI_REV_Z8E 0
296 #define MXGE_PCI_REV_Z8ES 1
297 #define MXGE_XFP_COMPLIANCE_BYTE 131
298 #define MXGE_SFP_COMPLIANCE_BYTE 3
299 #define MXGE_MIN_THROTTLE 416
300 #define MXGE_MAX_THROTTLE 4096
302 /* Types of connectors on NICs supported by this driver */
308 #define MXGE_HIGHPART_TO_U32(X) \
309 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0)
310 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X))
312 struct mxge_media_type
319 struct mxge_pkt_info {
329 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size)
331 register volatile uintptr_t *to;
332 volatile uintptr_t *from;
335 to = (volatile uintptr_t *) to_v;
337 for (i = (size / sizeof (uintptr_t)); i; i--) {
345 void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro);
346 int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head,
352 This file uses Myri10GE driver indentation.